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-rwxr-xr-xsrc/ipa/ipa-sign-install.sh2
-rwxr-xr-xsrc/ipa/ipa-sign.sh2
-rw-r--r--src/ipa/ipu3/algorithms/af.cpp80
-rw-r--r--src/ipa/ipu3/algorithms/af.h14
-rw-r--r--src/ipa/ipu3/algorithms/agc.cpp321
-rw-r--r--src/ipa/ipu3/algorithms/agc.h35
-rw-r--r--src/ipa/ipu3/algorithms/algorithm.h2
-rw-r--r--src/ipa/ipu3/algorithms/awb.cpp179
-rw-r--r--src/ipa/ipu3/algorithms/awb.h12
-rw-r--r--src/ipa/ipu3/algorithms/blc.cpp14
-rw-r--r--src/ipa/ipu3/algorithms/blc.h6
-rw-r--r--src/ipa/ipu3/algorithms/tone_mapping.cpp26
-rw-r--r--src/ipa/ipu3/algorithms/tone_mapping.h11
-rw-r--r--src/ipa/ipu3/data/meson.build9
-rw-r--r--src/ipa/ipu3/data/uncalibrated.yaml11
-rw-r--r--src/ipa/ipu3/ipa_context.cpp54
-rw-r--r--src/ipa/ipu3/ipa_context.h24
-rw-r--r--src/ipa/ipu3/ipu3-ipa-design-guide.rst2
-rw-r--r--src/ipa/ipu3/ipu3.cpp170
-rw-r--r--src/ipa/ipu3/meson.build3
-rw-r--r--src/ipa/ipu3/module.h2
-rw-r--r--src/ipa/libipa/agc_mean_luminance.cpp577
-rw-r--r--src/ipa/libipa/agc_mean_luminance.h96
-rw-r--r--src/ipa/libipa/algorithm.cpp29
-rw-r--r--src/ipa/libipa/algorithm.h20
-rw-r--r--src/ipa/libipa/camera_sensor_helper.cpp217
-rw-r--r--src/ipa/libipa/camera_sensor_helper.h51
-rw-r--r--src/ipa/libipa/exposure_mode_helper.cpp246
-rw-r--r--src/ipa/libipa/exposure_mode_helper.h53
-rw-r--r--src/ipa/libipa/fc_queue.cpp140
-rw-r--r--src/ipa/libipa/fc_queue.h118
-rw-r--r--src/ipa/libipa/histogram.cpp32
-rw-r--r--src/ipa/libipa/histogram.h19
-rw-r--r--src/ipa/libipa/meson.build6
-rw-r--r--src/ipa/libipa/module.cpp4
-rw-r--r--src/ipa/libipa/module.h2
-rw-r--r--src/ipa/meson.build46
-rw-r--r--src/ipa/raspberrypi/cam_helper.cpp219
-rw-r--r--src/ipa/raspberrypi/cam_helper.hpp123
-rw-r--r--src/ipa/raspberrypi/cam_helper_imx290.cpp67
-rw-r--r--src/ipa/raspberrypi/cam_helper_imx296.cpp69
-rw-r--r--src/ipa/raspberrypi/cam_helper_ov9281.cpp65
-rw-r--r--src/ipa/raspberrypi/controller/agc_algorithm.hpp32
-rw-r--r--src/ipa/raspberrypi/controller/agc_status.h41
-rw-r--r--src/ipa/raspberrypi/controller/algorithm.cpp44
-rw-r--r--src/ipa/raspberrypi/controller/algorithm.hpp60
-rw-r--r--src/ipa/raspberrypi/controller/alsc_status.h27
-rw-r--r--src/ipa/raspberrypi/controller/awb_algorithm.hpp23
-rw-r--r--src/ipa/raspberrypi/controller/awb_status.h26
-rw-r--r--src/ipa/raspberrypi/controller/black_level_status.h23
-rw-r--r--src/ipa/raspberrypi/controller/camera_mode.h50
-rw-r--r--src/ipa/raspberrypi/controller/ccm_algorithm.hpp21
-rw-r--r--src/ipa/raspberrypi/controller/ccm_status.h22
-rw-r--r--src/ipa/raspberrypi/controller/contrast_algorithm.hpp22
-rw-r--r--src/ipa/raspberrypi/controller/contrast_status.h31
-rw-r--r--src/ipa/raspberrypi/controller/controller.cpp104
-rw-r--r--src/ipa/raspberrypi/controller/controller.hpp54
-rw-r--r--src/ipa/raspberrypi/controller/denoise_algorithm.hpp23
-rw-r--r--src/ipa/raspberrypi/controller/denoise_status.h24
-rw-r--r--src/ipa/raspberrypi/controller/device_status.cpp30
-rw-r--r--src/ipa/raspberrypi/controller/dpc_status.h21
-rw-r--r--src/ipa/raspberrypi/controller/focus_status.h26
-rw-r--r--src/ipa/raspberrypi/controller/geq_status.h22
-rw-r--r--src/ipa/raspberrypi/controller/histogram.cpp64
-rw-r--r--src/ipa/raspberrypi/controller/histogram.hpp44
-rw-r--r--src/ipa/raspberrypi/controller/lux_status.h29
-rw-r--r--src/ipa/raspberrypi/controller/metadata.hpp110
-rw-r--r--src/ipa/raspberrypi/controller/noise_status.h22
-rw-r--r--src/ipa/raspberrypi/controller/pwl.cpp246
-rw-r--r--src/ipa/raspberrypi/controller/pwl.hpp112
-rw-r--r--src/ipa/raspberrypi/controller/rpi/agc.cpp797
-rw-r--r--src/ipa/raspberrypi/controller/rpi/agc.hpp139
-rw-r--r--src/ipa/raspberrypi/controller/rpi/alsc.cpp787
-rw-r--r--src/ipa/raspberrypi/controller/rpi/alsc.hpp106
-rw-r--r--src/ipa/raspberrypi/controller/rpi/awb.cpp667
-rw-r--r--src/ipa/raspberrypi/controller/rpi/awb.hpp179
-rw-r--r--src/ipa/raspberrypi/controller/rpi/black_level.cpp63
-rw-r--r--src/ipa/raspberrypi/controller/rpi/black_level.hpp30
-rw-r--r--src/ipa/raspberrypi/controller/rpi/ccm.cpp169
-rw-r--r--src/ipa/raspberrypi/controller/rpi/contrast.cpp185
-rw-r--r--src/ipa/raspberrypi/controller/rpi/contrast.hpp50
-rw-r--r--src/ipa/raspberrypi/controller/rpi/dpc.cpp53
-rw-r--r--src/ipa/raspberrypi/controller/rpi/dpc.hpp32
-rw-r--r--src/ipa/raspberrypi/controller/rpi/focus.cpp50
-rw-r--r--src/ipa/raspberrypi/controller/rpi/geq.cpp81
-rw-r--r--src/ipa/raspberrypi/controller/rpi/geq.hpp34
-rw-r--r--src/ipa/raspberrypi/controller/rpi/lux.cpp104
-rw-r--r--src/ipa/raspberrypi/controller/rpi/lux.hpp43
-rw-r--r--src/ipa/raspberrypi/controller/rpi/noise.cpp76
-rw-r--r--src/ipa/raspberrypi/controller/rpi/noise.hpp32
-rw-r--r--src/ipa/raspberrypi/controller/rpi/sdn.cpp75
-rw-r--r--src/ipa/raspberrypi/controller/rpi/sdn.hpp32
-rw-r--r--src/ipa/raspberrypi/controller/rpi/sharpen.cpp85
-rw-r--r--src/ipa/raspberrypi/controller/rpi/sharpen.hpp34
-rw-r--r--src/ipa/raspberrypi/controller/sharpen_algorithm.hpp21
-rw-r--r--src/ipa/raspberrypi/controller/sharpen_status.h28
-rw-r--r--src/ipa/raspberrypi/data/imx219.json412
-rw-r--r--src/ipa/raspberrypi/data/imx219_noir.json344
-rw-r--r--src/ipa/raspberrypi/data/imx290.json165
-rw-r--r--src/ipa/raspberrypi/data/imx296.json191
-rw-r--r--src/ipa/raspberrypi/data/imx378.json338
-rw-r--r--src/ipa/raspberrypi/data/imx477.json430
-rw-r--r--src/ipa/raspberrypi/data/imx477_noir.json362
-rw-r--r--src/ipa/raspberrypi/data/imx519.json338
-rw-r--r--src/ipa/raspberrypi/data/ov5647.json409
-rw-r--r--src/ipa/raspberrypi/data/ov5647_noir.json341
-rw-r--r--src/ipa/raspberrypi/data/ov9281.json92
-rw-r--r--src/ipa/raspberrypi/data/se327m12.json341
-rw-r--r--src/ipa/raspberrypi/data/uncalibrated.json82
-rw-r--r--src/ipa/raspberrypi/md_parser_smia.cpp149
-rw-r--r--src/ipa/raspberrypi/meson.build66
-rw-r--r--src/ipa/raspberrypi/raspberrypi.cpp1460
-rw-r--r--src/ipa/rkisp1/algorithms/agc.cpp386
-rw-r--r--src/ipa/rkisp1/algorithms/agc.h39
-rw-r--r--src/ipa/rkisp1/algorithms/algorithm.h14
-rw-r--r--src/ipa/rkisp1/algorithms/awb.cpp321
-rw-r--r--src/ipa/rkisp1/algorithms/awb.h21
-rw-r--r--src/ipa/rkisp1/algorithms/blc.cpp57
-rw-r--r--src/ipa/rkisp1/algorithms/blc.h20
-rw-r--r--src/ipa/rkisp1/algorithms/cproc.cpp111
-rw-r--r--src/ipa/rkisp1/algorithms/cproc.h33
-rw-r--r--src/ipa/rkisp1/algorithms/dpcc.cpp251
-rw-r--r--src/ipa/rkisp1/algorithms/dpcc.h32
-rw-r--r--src/ipa/rkisp1/algorithms/dpf.cpp260
-rw-r--r--src/ipa/rkisp1/algorithms/dpf.h38
-rw-r--r--src/ipa/rkisp1/algorithms/filter.cpp216
-rw-r--r--src/ipa/rkisp1/algorithms/filter.h33
-rw-r--r--src/ipa/rkisp1/algorithms/gsl.cpp146
-rw-r--r--src/ipa/rkisp1/algorithms/gsl.h35
-rw-r--r--src/ipa/rkisp1/algorithms/lsc.cpp342
-rw-r--r--src/ipa/rkisp1/algorithms/lsc.h59
-rw-r--r--src/ipa/rkisp1/algorithms/meson.build6
-rw-r--r--src/ipa/rkisp1/data/imx219.yaml107
-rw-r--r--src/ipa/rkisp1/data/imx258.yaml54
-rw-r--r--src/ipa/rkisp1/data/meson.build4
-rw-r--r--src/ipa/rkisp1/data/ov2685.yaml41
-rw-r--r--src/ipa/rkisp1/data/ov4689.yaml13
-rw-r--r--src/ipa/rkisp1/data/ov5640.yaml243
-rw-r--r--src/ipa/rkisp1/data/ov5695.yaml41
-rw-r--r--src/ipa/rkisp1/data/ov8858.yaml54
-rw-r--r--src/ipa/rkisp1/data/uncalibrated.yaml2
-rw-r--r--src/ipa/rkisp1/ipa_context.cpp316
-rw-r--r--src/ipa/rkisp1/ipa_context.h113
-rw-r--r--src/ipa/rkisp1/meson.build2
-rw-r--r--src/ipa/rkisp1/module.h2
-rw-r--r--src/ipa/rkisp1/rkisp1.cpp316
-rw-r--r--src/ipa/rpi/README.md (renamed from src/ipa/raspberrypi/README.md)0
-rw-r--r--src/ipa/rpi/cam_helper/cam_helper.cpp265
-rw-r--r--src/ipa/rpi/cam_helper/cam_helper.h132
-rw-r--r--src/ipa/rpi/cam_helper/cam_helper_imx219.cpp (renamed from src/ipa/raspberrypi/cam_helper_imx219.cpp)50
-rw-r--r--src/ipa/rpi/cam_helper/cam_helper_imx290.cpp75
-rw-r--r--src/ipa/rpi/cam_helper/cam_helper_imx296.cpp83
-rw-r--r--src/ipa/rpi/cam_helper/cam_helper_imx477.cpp (renamed from src/ipa/raspberrypi/cam_helper_imx477.cpp)103
-rw-r--r--src/ipa/rpi/cam_helper/cam_helper_imx519.cpp (renamed from src/ipa/raspberrypi/cam_helper_imx519.cpp)101
-rw-r--r--src/ipa/rpi/cam_helper/cam_helper_imx708.cpp382
-rw-r--r--src/ipa/rpi/cam_helper/cam_helper_ov5647.cpp (renamed from src/ipa/raspberrypi/cam_helper_ov5647.cpp)51
-rw-r--r--src/ipa/rpi/cam_helper/cam_helper_ov64a40.cpp74
-rw-r--r--src/ipa/rpi/cam_helper/cam_helper_ov9281.cpp66
-rw-r--r--src/ipa/rpi/cam_helper/md_parser.h (renamed from src/ipa/raspberrypi/md_parser.hpp)50
-rw-r--r--src/ipa/rpi/cam_helper/md_parser_smia.cpp152
-rw-r--r--src/ipa/rpi/cam_helper/meson.build27
-rw-r--r--src/ipa/rpi/common/ipa_base.cpp1514
-rw-r--r--src/ipa/rpi/common/ipa_base.h143
-rw-r--r--src/ipa/rpi/common/meson.build17
-rw-r--r--src/ipa/rpi/controller/af_algorithm.h76
-rw-r--r--src/ipa/rpi/controller/af_status.h35
-rw-r--r--src/ipa/rpi/controller/agc_algorithm.h38
-rw-r--r--src/ipa/rpi/controller/agc_status.h48
-rw-r--r--src/ipa/rpi/controller/algorithm.cpp56
-rw-r--r--src/ipa/rpi/controller/algorithm.h68
-rw-r--r--src/ipa/rpi/controller/alsc_status.h22
-rw-r--r--src/ipa/rpi/controller/awb_algorithm.h26
-rw-r--r--src/ipa/rpi/controller/awb_status.h20
-rw-r--r--src/ipa/rpi/controller/black_level_algorithm.h23
-rw-r--r--src/ipa/rpi/controller/black_level_status.h15
-rw-r--r--src/ipa/rpi/controller/cac_status.h16
-rw-r--r--src/ipa/rpi/controller/camera_mode.h59
-rw-r--r--src/ipa/rpi/controller/ccm_algorithm.h21
-rw-r--r--src/ipa/rpi/controller/ccm_status.h14
-rw-r--r--src/ipa/rpi/controller/contrast_algorithm.h24
-rw-r--r--src/ipa/rpi/controller/contrast_status.h20
-rw-r--r--src/ipa/rpi/controller/controller.cpp220
-rw-r--r--src/ipa/rpi/controller/controller.h77
-rw-r--r--src/ipa/rpi/controller/denoise_algorithm.h27
-rw-r--r--src/ipa/rpi/controller/denoise_status.h35
-rw-r--r--src/ipa/rpi/controller/device_status.cpp31
-rw-r--r--src/ipa/rpi/controller/device_status.h (renamed from src/ipa/raspberrypi/controller/device_status.h)26
-rw-r--r--src/ipa/rpi/controller/dpc_status.h13
-rw-r--r--src/ipa/rpi/controller/geq_status.h14
-rw-r--r--src/ipa/rpi/controller/hdr_algorithm.h25
-rw-r--r--src/ipa/rpi/controller/hdr_status.h19
-rw-r--r--src/ipa/rpi/controller/histogram.cpp76
-rw-r--r--src/ipa/rpi/controller/histogram.h55
-rw-r--r--src/ipa/rpi/controller/lux_status.h23
-rw-r--r--src/ipa/rpi/controller/meson.build35
-rw-r--r--src/ipa/rpi/controller/metadata.h127
-rw-r--r--src/ipa/rpi/controller/noise_status.h14
-rw-r--r--src/ipa/rpi/controller/pdaf_data.h24
-rw-r--r--src/ipa/rpi/controller/pwl.cpp269
-rw-r--r--src/ipa/rpi/controller/pwl.h127
-rw-r--r--src/ipa/rpi/controller/region_stats.h123
-rw-r--r--src/ipa/rpi/controller/rpi/af.cpp797
-rw-r--r--src/ipa/rpi/controller/rpi/af.h165
-rw-r--r--src/ipa/rpi/controller/rpi/agc.cpp338
-rw-r--r--src/ipa/rpi/controller/rpi/agc.h58
-rw-r--r--src/ipa/rpi/controller/rpi/agc_channel.cpp1022
-rw-r--r--src/ipa/rpi/controller/rpi/agc_channel.h153
-rw-r--r--src/ipa/rpi/controller/rpi/alsc.cpp867
-rw-r--r--src/ipa/rpi/controller/rpi/alsc.h174
-rw-r--r--src/ipa/rpi/controller/rpi/awb.cpp751
-rw-r--r--src/ipa/rpi/controller/rpi/awb.h192
-rw-r--r--src/ipa/rpi/controller/rpi/black_level.cpp74
-rw-r--r--src/ipa/rpi/controller/rpi/black_level.h32
-rw-r--r--src/ipa/rpi/controller/rpi/cac.cpp107
-rw-r--r--src/ipa/rpi/controller/rpi/cac.h35
-rw-r--r--src/ipa/rpi/controller/rpi/ccm.cpp199
-rw-r--r--src/ipa/rpi/controller/rpi/ccm.h (renamed from src/ipa/raspberrypi/controller/rpi/ccm.hpp)24
-rw-r--r--src/ipa/rpi/controller/rpi/contrast.cpp192
-rw-r--r--src/ipa/rpi/controller/rpi/contrast.h54
-rw-r--r--src/ipa/rpi/controller/rpi/denoise.cpp198
-rw-r--r--src/ipa/rpi/controller/rpi/denoise.h59
-rw-r--r--src/ipa/rpi/controller/rpi/dpc.cpp59
-rw-r--r--src/ipa/rpi/controller/rpi/dpc.h32
-rw-r--r--src/ipa/rpi/controller/rpi/focus.h (renamed from src/ipa/raspberrypi/controller/rpi/focus.hpp)12
-rw-r--r--src/ipa/rpi/controller/rpi/geq.cpp89
-rw-r--r--src/ipa/rpi/controller/rpi/geq.h34
-rw-r--r--src/ipa/rpi/controller/rpi/hdr.cpp417
-rw-r--r--src/ipa/rpi/controller/rpi/hdr.h84
-rw-r--r--src/ipa/rpi/controller/rpi/lux.cpp115
-rw-r--r--src/ipa/rpi/controller/rpi/lux.h45
-rw-r--r--src/ipa/rpi/controller/rpi/noise.cpp89
-rw-r--r--src/ipa/rpi/controller/rpi/noise.h32
-rw-r--r--src/ipa/rpi/controller/rpi/saturation.cpp57
-rw-r--r--src/ipa/rpi/controller/rpi/saturation.h32
-rw-r--r--src/ipa/rpi/controller/rpi/sdn.cpp83
-rw-r--r--src/ipa/rpi/controller/rpi/sdn.h32
-rw-r--r--src/ipa/rpi/controller/rpi/sharpen.cpp92
-rw-r--r--src/ipa/rpi/controller/rpi/sharpen.h34
-rw-r--r--src/ipa/rpi/controller/rpi/tonemap.cpp61
-rw-r--r--src/ipa/rpi/controller/rpi/tonemap.h35
-rw-r--r--src/ipa/rpi/controller/saturation_status.h13
-rw-r--r--src/ipa/rpi/controller/sharpen_algorithm.h21
-rw-r--r--src/ipa/rpi/controller/sharpen_status.h20
-rw-r--r--src/ipa/rpi/controller/statistics.h78
-rw-r--r--src/ipa/rpi/controller/stitch_status.h17
-rw-r--r--src/ipa/rpi/controller/tonemap_status.h17
-rw-r--r--src/ipa/rpi/meson.build14
-rw-r--r--src/ipa/rpi/vc4/data/imx219.json695
-rw-r--r--src/ipa/rpi/vc4/data/imx219_noir.json629
-rw-r--r--src/ipa/rpi/vc4/data/imx290.json214
-rw-r--r--src/ipa/rpi/vc4/data/imx296.json443
-rw-r--r--src/ipa/rpi/vc4/data/imx296_mono.json240
-rw-r--r--src/ipa/rpi/vc4/data/imx378.json427
-rw-r--r--src/ipa/rpi/vc4/data/imx477.json700
-rw-r--r--src/ipa/rpi/vc4/data/imx477_noir.json656
-rw-r--r--src/ipa/rpi/vc4/data/imx477_scientific.json488
-rw-r--r--src/ipa/rpi/vc4/data/imx477_v1.json525
-rw-r--r--src/ipa/rpi/vc4/data/imx519.json427
-rw-r--r--src/ipa/rpi/vc4/data/imx708.json671
-rw-r--r--src/ipa/rpi/vc4/data/imx708_noir.json770
-rw-r--r--src/ipa/rpi/vc4/data/imx708_wide.json682
-rw-r--r--src/ipa/rpi/vc4/data/imx708_wide_noir.json673
-rw-r--r--src/ipa/rpi/vc4/data/meson.build (renamed from src/ipa/raspberrypi/data/meson.build)12
-rw-r--r--src/ipa/rpi/vc4/data/ov5647.json696
-rw-r--r--src/ipa/rpi/vc4/data/ov5647_noir.json412
-rw-r--r--src/ipa/rpi/vc4/data/ov64a40.json422
-rw-r--r--src/ipa/rpi/vc4/data/ov9281_mono.json136
-rw-r--r--src/ipa/rpi/vc4/data/se327m12.json432
-rw-r--r--src/ipa/rpi/vc4/data/uncalibrated.json131
-rw-r--r--src/ipa/rpi/vc4/meson.build48
-rw-r--r--src/ipa/rpi/vc4/vc4.cpp597
-rw-r--r--src/ipa/simple/black_level.cpp88
-rw-r--r--src/ipa/simple/black_level.h28
-rw-r--r--src/ipa/simple/data/meson.build10
-rw-r--r--src/ipa/simple/data/uncalibrated.yaml5
-rw-r--r--src/ipa/simple/meson.build30
-rw-r--r--src/ipa/simple/soft_simple.cpp403
-rw-r--r--src/ipa/vimc/data/meson.build3
-rw-r--r--src/ipa/vimc/meson.build2
-rw-r--r--src/ipa/vimc/vimc.cpp28
280 files changed, 29098 insertions, 12687 deletions
diff --git a/src/ipa/ipa-sign-install.sh b/src/ipa/ipa-sign-install.sh
index bcedb8b5..71696d5a 100755
--- a/src/ipa/ipa-sign-install.sh
+++ b/src/ipa/ipa-sign-install.sh
@@ -4,7 +4,7 @@
#
# Author: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
#
-# ipa-sign-install.sh - Regenerate IPA module signatures when installing
+# Regenerate IPA module signatures when installing
key=$1
shift
diff --git a/src/ipa/ipa-sign.sh b/src/ipa/ipa-sign.sh
index 8673dad1..69024213 100755
--- a/src/ipa/ipa-sign.sh
+++ b/src/ipa/ipa-sign.sh
@@ -4,7 +4,7 @@
#
# Author: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
#
-# ipa-sign.sh - Generate a signature for an IPA module
+# Generate a signature for an IPA module
key="$1"
input="$2"
diff --git a/src/ipa/ipu3/algorithms/af.cpp b/src/ipa/ipu3/algorithms/af.cpp
index d07521a0..29eb7355 100644
--- a/src/ipa/ipu3/algorithms/af.cpp
+++ b/src/ipa/ipu3/algorithms/af.cpp
@@ -2,7 +2,7 @@
/*
* Copyright (C) 2021, Red Hat
*
- * af.cpp - IPU3 auto focus algorithm
+ * IPU3 auto focus algorithm
*/
#include "af.h"
@@ -114,19 +114,6 @@ Af::Af()
}
/**
- * \copydoc libcamera::ipa::Algorithm::prepare
- */
-void Af::prepare(IPAContext &context, ipu3_uapi_params *params)
-{
- const struct ipu3_uapi_grid_config &grid = context.configuration.af.afGrid;
- params->acc_param.af.grid_cfg = grid;
- params->acc_param.af.filter_config = afFilterConfigDefault;
-
- /* Enable AF processing block */
- params->use.acc_af = 1;
-}
-
-/**
* \brief Configure the Af given a configInfo
* \param[in] context The shared IPA context
* \param[in] configInfo The IPA configuration data
@@ -195,11 +182,27 @@ int Af::configure(IPAContext &context, const IPAConfigInfo &configInfo)
}
/**
+ * \copydoc libcamera::ipa::Algorithm::prepare
+ */
+void Af::prepare(IPAContext &context,
+ [[maybe_unused]] const uint32_t frame,
+ [[maybe_unused]] IPAFrameContext &frameContext,
+ ipu3_uapi_params *params)
+{
+ const struct ipu3_uapi_grid_config &grid = context.configuration.af.afGrid;
+ params->acc_param.af.grid_cfg = grid;
+ params->acc_param.af.filter_config = afFilterConfigDefault;
+
+ /* Enable AF processing block */
+ params->use.acc_af = 1;
+}
+
+/**
* \brief AF coarse scan
- *
- * Find a near focused image using a coarse step. The step is determined by coarseSearchStep.
- *
* \param[in] context The shared IPA context
+ *
+ * Find a near focused image using a coarse step. The step is determined by
+ * kCoarseSearchStep.
*/
void Af::afCoarseScan(IPAContext &context)
{
@@ -223,10 +226,9 @@ void Af::afCoarseScan(IPAContext &context)
/**
* \brief AF fine scan
+ * \param[in] context The shared IPA context
*
* Find an optimum lens position with moving 1 step for each search.
- *
- * \param[in] context The shared IPA context
*/
void Af::afFineScan(IPAContext &context)
{
@@ -244,10 +246,9 @@ void Af::afFineScan(IPAContext &context)
/**
* \brief AF reset
+ * \param[in] context The shared IPA context
*
* Reset all the parameters to start over the AF process.
- *
- * \param[in] context The shared IPA context
*/
void Af::afReset(IPAContext &context)
{
@@ -266,9 +267,9 @@ void Af::afReset(IPAContext &context)
}
/**
- * \brief AF variance comparison.
+ * \brief AF variance comparison
* \param[in] context The IPA context
- * \param min_step The VCM movement step.
+ * \param[in] min_step The VCM movement step
*
* We always pick the largest variance to replace the previous one. The image
* with a larger variance also indicates it is a clearer image than previous
@@ -321,7 +322,7 @@ bool Af::afScan(IPAContext &context, int min_step)
}
/**
- * \brief Determine the frame to be ignored.
+ * \brief Determine the frame to be ignored
* \return Return True if the frame should be ignored, false otherwise
*/
bool Af::afNeedIgnoreFrame()
@@ -334,7 +335,7 @@ bool Af::afNeedIgnoreFrame()
}
/**
- * \brief Reset frame ignore counter.
+ * \brief Reset frame ignore counter
*/
void Af::afIgnoreFrameReset()
{
@@ -343,9 +344,8 @@ void Af::afIgnoreFrameReset()
/**
* \brief Estimate variance
- * \param y_item The AF filter data set from the IPU3 statistics buffer
- * \param len The quantity of table item entries which are valid to process
- * \param isY1 Selects between filter Y1 or Y2 to calculate the variance
+ * \param[in] y_items The AF filter data set from the IPU3 statistics buffer
+ * \param[in] isY1 Selects between filter Y1 or Y2 to calculate the variance
*
* Calculate the mean of the data set provided by \a y_item, and then calculate
* the variance of that data set from the mean.
@@ -377,16 +377,16 @@ double Af::afEstimateVariance(Span<const y_table_item_t> y_items, bool isY1)
}
/**
- * \brief Determine out-of-focus situation.
- * \param context The IPA context.
+ * \brief Determine out-of-focus situation
+ * \param[in] context The IPA context
*
* Out-of-focus means that the variance change rate for a focused and a new
* variance is greater than a threshold.
*
* \return True if the variance threshold is crossed indicating lost focus,
- * false otherwise.
+ * false otherwise
*/
-bool Af::afIsOutOfFocus(IPAContext context)
+bool Af::afIsOutOfFocus(IPAContext &context)
{
const uint32_t diff_var = std::abs(currentVariance_ -
context.activeState.af.maxVariance);
@@ -404,10 +404,12 @@ bool Af::afIsOutOfFocus(IPAContext context)
}
/**
- * \brief Determine the max contrast image and lens position.
- * \param[in] context The IPA context.
+ * \brief Determine the max contrast image and lens position
+ * \param[in] context The IPA context
+ * \param[in] frame The frame context sequence number
* \param[in] frameContext The current frame context
- * \param[in] stats The statistics buffer of IPU3.
+ * \param[in] stats The statistics buffer of IPU3
+ * \param[out] metadata Metadata for the frame, to be filled by the algorithm
*
* Ideally, a clear image also has a relatively higher contrast. So, every
* image for each focus step should be tested to find an optimal focus step.
@@ -420,8 +422,10 @@ bool Af::afIsOutOfFocus(IPAContext context)
*
* [1] Hill Climbing Algorithm, https://en.wikipedia.org/wiki/Hill_climbing
*/
-void Af::process(IPAContext &context, [[maybe_unused]] IPAFrameContext *frameContext,
- const ipu3_uapi_stats_3a *stats)
+void Af::process(IPAContext &context, [[maybe_unused]] const uint32_t frame,
+ [[maybe_unused]] IPAFrameContext &frameContext,
+ const ipu3_uapi_stats_3a *stats,
+ [[maybe_unused]] ControlList &metadata)
{
/* Evaluate the AF buffer length */
uint32_t afRawBufferLen = context.configuration.af.afGrid.width *
@@ -450,6 +454,8 @@ void Af::process(IPAContext &context, [[maybe_unused]] IPAFrameContext *frameCon
}
}
+REGISTER_IPA_ALGORITHM(Af, "Af")
+
} /* namespace ipa::ipu3::algorithms */
} /* namespace libcamera */
diff --git a/src/ipa/ipu3/algorithms/af.h b/src/ipa/ipu3/algorithms/af.h
index ccf015f3..68126d46 100644
--- a/src/ipa/ipu3/algorithms/af.h
+++ b/src/ipa/ipu3/algorithms/af.h
@@ -2,7 +2,7 @@
/*
* Copyright (C) 2021, Red Hat
*
- * af.h - IPU3 Af algorithm
+ * IPU3 Af algorithm
*/
#pragma once
@@ -30,10 +30,14 @@ public:
Af();
~Af() = default;
- void prepare(IPAContext &context, ipu3_uapi_params *params) override;
int configure(IPAContext &context, const IPAConfigInfo &configInfo) override;
- void process(IPAContext &context, IPAFrameContext *frameContext,
- const ipu3_uapi_stats_3a *stats) override;
+ void prepare(IPAContext &context, const uint32_t frame,
+ IPAFrameContext &frameContext,
+ ipu3_uapi_params *params) override;
+ void process(IPAContext &context, const uint32_t frame,
+ IPAFrameContext &frameContext,
+ const ipu3_uapi_stats_3a *stats,
+ ControlList &metadata) override;
private:
void afCoarseScan(IPAContext &context);
@@ -44,7 +48,7 @@ private:
void afIgnoreFrameReset();
double afEstimateVariance(Span<const y_table_item_t> y_items, bool isY1);
- bool afIsOutOfFocus(IPAContext context);
+ bool afIsOutOfFocus(IPAContext &context);
/* VCM step configuration. It is the current setting of the VCM step. */
uint32_t focus_;
diff --git a/src/ipa/ipu3/algorithms/agc.cpp b/src/ipa/ipu3/algorithms/agc.cpp
index f16be534..0e0114f6 100644
--- a/src/ipa/ipu3/algorithms/agc.cpp
+++ b/src/ipa/ipu3/algorithms/agc.cpp
@@ -2,7 +2,7 @@
/*
* Copyright (C) 2021, Ideas On Board
*
- * ipu3_agc.cpp - AGC/AEC mean-based control algorithm
+ * AGC/AEC mean-based control algorithm
*/
#include "agc.h"
@@ -14,6 +14,7 @@
#include <libcamera/base/log.h>
#include <libcamera/base/utils.h>
+#include <libcamera/control_ids.h>
#include <libcamera/ipa/core_ipa_interface.h>
#include "libipa/histogram.h"
@@ -46,9 +47,8 @@ namespace ipa::ipu3::algorithms {
LOG_DEFINE_CATEGORY(IPU3Agc)
-/* Limits for analogue gain values */
+/* Minimum limit for analogue gain value */
static constexpr double kMinAnalogueGain = 1.0;
-static constexpr double kMaxAnalogueGain = 8.0;
/* \todo Honour the FrameDurationLimits control instead of hardcoding a limit */
static constexpr utils::Duration kMaxShutterSpeed = 60ms;
@@ -56,24 +56,32 @@ static constexpr utils::Duration kMaxShutterSpeed = 60ms;
/* Histogram constants */
static constexpr uint32_t knumHistogramBins = 256;
-/* Target value to reach for the top 2% of the histogram */
-static constexpr double kEvGainTarget = 0.5;
-
-/* Number of frames to wait before calculating stats on minimum exposure */
-static constexpr uint32_t kNumStartupFrames = 10;
+Agc::Agc()
+ : minShutterSpeed_(0s), maxShutterSpeed_(0s)
+{
+}
-/*
- * Relative luminance target.
+/**
+ * \brief Initialise the AGC algorithm from tuning files
+ * \param[in] context The shared IPA context
+ * \param[in] tuningData The YamlObject containing Agc tuning data
+ *
+ * This function calls the base class' tuningData parsers to discover which
+ * control values are supported.
*
- * It's a number that's chosen so that, when the camera points at a grey
- * target, the resulting image brightness is considered right.
+ * \return 0 on success or errors from the base class
*/
-static constexpr double kRelativeLuminanceTarget = 0.16;
-
-Agc::Agc()
- : frameCount_(0), minShutterSpeed_(0s),
- maxShutterSpeed_(0s), filteredExposure_(0s)
+int Agc::init(IPAContext &context, const YamlObject &tuningData)
{
+ int ret;
+
+ ret = parseTuningData(tuningData);
+ if (ret)
+ return ret;
+
+ context.ctrlMap.merge(controls());
+
+ return 0;
}
/**
@@ -90,180 +98,66 @@ int Agc::configure(IPAContext &context,
IPAActiveState &activeState = context.activeState;
stride_ = configuration.grid.stride;
+ bdsGrid_ = configuration.grid.bdsGrid;
minShutterSpeed_ = configuration.agc.minShutterSpeed;
maxShutterSpeed_ = std::min(configuration.agc.maxShutterSpeed,
kMaxShutterSpeed);
minAnalogueGain_ = std::max(configuration.agc.minAnalogueGain, kMinAnalogueGain);
- maxAnalogueGain_ = std::min(configuration.agc.maxAnalogueGain, kMaxAnalogueGain);
+ maxAnalogueGain_ = configuration.agc.maxAnalogueGain;
/* Configure the default exposure and gain. */
- activeState.agc.gain = std::max(minAnalogueGain_, kMinAnalogueGain);
+ activeState.agc.gain = minAnalogueGain_;
activeState.agc.exposure = 10ms / configuration.sensor.lineDuration;
- frameCount_ = 0;
+ context.activeState.agc.constraintMode = constraintModes().begin()->first;
+ context.activeState.agc.exposureMode = exposureModeHelpers().begin()->first;
+
+ /* \todo Run this again when FrameDurationLimits is passed in */
+ setLimits(minShutterSpeed_, maxShutterSpeed_, minAnalogueGain_,
+ maxAnalogueGain_);
+ resetFrameCount();
+
return 0;
}
-/**
- * \brief Estimate the mean value of the top 2% of the histogram
- * \param[in] stats The statistics computed by the ImgU
- * \param[in] grid The grid used to store the statistics in the IPU3
- * \return The mean value of the top 2% of the histogram
- */
-double Agc::measureBrightness(const ipu3_uapi_stats_3a *stats,
- const ipu3_uapi_grid_config &grid) const
+Histogram Agc::parseStatistics(const ipu3_uapi_stats_3a *stats,
+ const ipu3_uapi_grid_config &grid)
{
- /* Initialise the histogram array */
uint32_t hist[knumHistogramBins] = { 0 };
+ rgbTriples_.clear();
+
for (unsigned int cellY = 0; cellY < grid.height; cellY++) {
for (unsigned int cellX = 0; cellX < grid.width; cellX++) {
uint32_t cellPosition = cellY * stride_ + cellX;
const ipu3_uapi_awb_set_item *cell =
reinterpret_cast<const ipu3_uapi_awb_set_item *>(
- &stats->awb_raw_buffer.meta_data[cellPosition]
- );
+ &stats->awb_raw_buffer.meta_data[cellPosition]);
+
+ rgbTriples_.push_back({
+ cell->R_avg,
+ (cell->Gr_avg + cell->Gb_avg) / 2,
+ cell->B_avg
+ });
- uint8_t gr = cell->Gr_avg;
- uint8_t gb = cell->Gb_avg;
/*
* Store the average green value to estimate the
* brightness. Even the overexposed pixels are
* taken into account.
*/
- hist[(gr + gb) / 2]++;
+ hist[(cell->Gr_avg + cell->Gb_avg) / 2]++;
}
}
- /* Estimate the quantile mean of the top 2% of the histogram. */
- return Histogram(Span<uint32_t>(hist)).interQuantileMean(0.98, 1.0);
-}
-
-/**
- * \brief Apply a filter on the exposure value to limit the speed of changes
- * \param[in] exposureValue The target exposure from the AGC algorithm
- *
- * The speed of the filter is adaptive, and will produce the target quicker
- * during startup, or when the target exposure is within 20% of the most recent
- * filter output.
- *
- * \return The filtered exposure
- */
-utils::Duration Agc::filterExposure(utils::Duration exposureValue)
-{
- double speed = 0.2;
-
- /* Adapt instantly if we are in startup phase. */
- if (frameCount_ < kNumStartupFrames)
- speed = 1.0;
-
- /*
- * If we are close to the desired result, go faster to avoid making
- * multiple micro-adjustments.
- * \todo Make this customisable?
- */
- if (filteredExposure_ < 1.2 * exposureValue &&
- filteredExposure_ > 0.8 * exposureValue)
- speed = sqrt(speed);
-
- filteredExposure_ = speed * exposureValue +
- filteredExposure_ * (1.0 - speed);
-
- LOG(IPU3Agc, Debug) << "After filtering, exposure " << filteredExposure_;
-
- return filteredExposure_;
-}
-
-/**
- * \brief Estimate the new exposure and gain values
- * \param[inout] frameContext The shared IPA frame Context
- * \param[in] yGain The gain calculated based on the relative luminance target
- * \param[in] iqMeanGain The gain calculated based on the relative luminance target
- */
-void Agc::computeExposure(IPAContext &context, IPAFrameContext *frameContext,
- double yGain, double iqMeanGain)
-{
- const IPASessionConfiguration &configuration = context.configuration;
- /* Get the effective exposure and gain applied on the sensor. */
- uint32_t exposure = frameContext->sensor.exposure;
- double analogueGain = frameContext->sensor.gain;
-
- /* Use the highest of the two gain estimates. */
- double evGain = std::max(yGain, iqMeanGain);
-
- /* Consider within 1% of the target as correctly exposed */
- if (utils::abs_diff(evGain, 1.0) < 0.01)
- LOG(IPU3Agc, Debug) << "We are well exposed (evGain = "
- << evGain << ")";
-
- /* extracted from Rpi::Agc::computeTargetExposure */
-
- /* Calculate the shutter time in seconds */
- utils::Duration currentShutter = exposure * configuration.sensor.lineDuration;
-
- /*
- * Update the exposure value for the next computation using the values
- * of exposure and gain really used by the sensor.
- */
- utils::Duration effectiveExposureValue = currentShutter * analogueGain;
-
- LOG(IPU3Agc, Debug) << "Actual total exposure " << currentShutter * analogueGain
- << " Shutter speed " << currentShutter
- << " Gain " << analogueGain
- << " Needed ev gain " << evGain;
-
- /*
- * Calculate the current exposure value for the scene as the latest
- * exposure value applied multiplied by the new estimated gain.
- */
- utils::Duration exposureValue = effectiveExposureValue * evGain;
-
- /* Clamp the exposure value to the min and max authorized */
- utils::Duration maxTotalExposure = maxShutterSpeed_ * maxAnalogueGain_;
- exposureValue = std::min(exposureValue, maxTotalExposure);
- LOG(IPU3Agc, Debug) << "Target total exposure " << exposureValue
- << ", maximum is " << maxTotalExposure;
-
- /*
- * Filter the exposure.
- * \todo: estimate if we need to desaturate
- */
- exposureValue = filterExposure(exposureValue);
-
- /*
- * Divide the exposure value as new exposure and gain values.
- *
- * Push the shutter time up to the maximum first, and only then
- * increase the gain.
- */
- utils::Duration shutterTime =
- std::clamp<utils::Duration>(exposureValue / minAnalogueGain_,
- minShutterSpeed_, maxShutterSpeed_);
- double stepGain = std::clamp(exposureValue / shutterTime,
- minAnalogueGain_, maxAnalogueGain_);
- LOG(IPU3Agc, Debug) << "Divided up shutter and gain are "
- << shutterTime << " and "
- << stepGain;
-
- IPAActiveState &activeState = context.activeState;
- /* Update the estimated exposure and gain. */
- activeState.agc.exposure = shutterTime / configuration.sensor.lineDuration;
- activeState.agc.gain = stepGain;
+ return Histogram(Span<uint32_t>(hist));
}
/**
* \brief Estimate the relative luminance of the frame with a given gain
- * \param[in] frameContext The shared IPA frame context
- * \param[in] grid The grid used to store the statistics in the IPU3
- * \param[in] stats The IPU3 statistics and ISP results
- * \param[in] gain The gain to apply to the frame
- * \return The relative luminance
- *
- * This function estimates the average relative luminance of the frame that
- * would be output by the sensor if an additional \a gain was applied.
+ * \param[in] gain The gain to apply in estimating luminance
*
* The estimation is based on the AWB statistics for the current frame. Red,
* green and blue averages for all cells are first multiplied by the gain, and
@@ -278,91 +172,86 @@ void Agc::computeExposure(IPAContext &context, IPAFrameContext *frameContext,
*
* More detailed information can be found in:
* https://en.wikipedia.org/wiki/Relative_luminance
+ *
+ * \return The relative luminance of the frame
*/
-double Agc::estimateLuminance(IPAActiveState &activeState,
- const ipu3_uapi_grid_config &grid,
- const ipu3_uapi_stats_3a *stats,
- double gain)
+double Agc::estimateLuminance(double gain) const
{
double redSum = 0, greenSum = 0, blueSum = 0;
- /* Sum the per-channel averages, saturated to 255. */
- for (unsigned int cellY = 0; cellY < grid.height; cellY++) {
- for (unsigned int cellX = 0; cellX < grid.width; cellX++) {
- uint32_t cellPosition = cellY * stride_ + cellX;
-
- const ipu3_uapi_awb_set_item *cell =
- reinterpret_cast<const ipu3_uapi_awb_set_item *>(
- &stats->awb_raw_buffer.meta_data[cellPosition]
- );
- const uint8_t G_avg = (cell->Gr_avg + cell->Gb_avg) / 2;
-
- redSum += std::min(cell->R_avg * gain, 255.0);
- greenSum += std::min(G_avg * gain, 255.0);
- blueSum += std::min(cell->B_avg * gain, 255.0);
- }
+ for (unsigned int i = 0; i < rgbTriples_.size(); i++) {
+ redSum += std::min(std::get<0>(rgbTriples_[i]) * gain, 255.0);
+ greenSum += std::min(std::get<1>(rgbTriples_[i]) * gain, 255.0);
+ blueSum += std::min(std::get<2>(rgbTriples_[i]) * gain, 255.0);
}
- /*
- * Apply the AWB gains to approximate colours correctly, use the Rec.
- * 601 formula to calculate the relative luminance, and normalize it.
- */
- double ySum = redSum * activeState.awb.gains.red * 0.299
- + greenSum * activeState.awb.gains.green * 0.587
- + blueSum * activeState.awb.gains.blue * 0.114;
+ double ySum = redSum * rGain_ * 0.299
+ + greenSum * gGain_ * 0.587
+ + blueSum * bGain_ * 0.114;
- return ySum / (grid.height * grid.width) / 255;
+ return ySum / (bdsGrid_.height * bdsGrid_.width) / 255;
}
/**
* \brief Process IPU3 statistics, and run AGC operations
* \param[in] context The shared IPA context
+ * \param[in] frame The current frame sequence number
* \param[in] frameContext The current frame context
* \param[in] stats The IPU3 statistics and ISP results
+ * \param[out] metadata Metadata for the frame, to be filled by the algorithm
*
* Identify the current image brightness, and use that to estimate the optimal
* new exposure and gain for the scene.
*/
-void Agc::process(IPAContext &context, [[maybe_unused]] IPAFrameContext *frameContext,
- const ipu3_uapi_stats_3a *stats)
+void Agc::process(IPAContext &context, [[maybe_unused]] const uint32_t frame,
+ IPAFrameContext &frameContext,
+ const ipu3_uapi_stats_3a *stats,
+ ControlList &metadata)
{
- /*
- * Estimate the gain needed to have the proportion of pixels in a given
- * desired range. iqMean is the mean value of the top 2% of the
- * cumulative histogram, and we want it to be as close as possible to a
- * configured target.
- */
- double iqMean = measureBrightness(stats, context.configuration.grid.bdsGrid);
- double iqMeanGain = kEvGainTarget * knumHistogramBins / iqMean;
+ Histogram hist = parseStatistics(stats, context.configuration.grid.bdsGrid);
+ rGain_ = context.activeState.awb.gains.red;
+ gGain_ = context.activeState.awb.gains.blue;
+ bGain_ = context.activeState.awb.gains.green;
/*
- * Estimate the gain needed to achieve a relative luminance target. To
- * account for non-linearity caused by saturation, the value needs to be
- * estimated in an iterative process, as multiplying by a gain will not
- * increase the relative luminance by the same factor if some image
- * regions are saturated.
+ * The Agc algorithm needs to know the effective exposure value that was
+ * applied to the sensor when the statistics were collected.
*/
- double yGain = 1.0;
- double yTarget = kRelativeLuminanceTarget;
-
- for (unsigned int i = 0; i < 8; i++) {
- double yValue = estimateLuminance(context.activeState,
- context.configuration.grid.bdsGrid,
- stats, yGain);
- double extraGain = std::min(10.0, yTarget / (yValue + .001));
-
- yGain *= extraGain;
- LOG(IPU3Agc, Debug) << "Y value: " << yValue
- << ", Y target: " << yTarget
- << ", gives gain " << yGain;
- if (extraGain < 1.01)
- break;
- }
+ utils::Duration exposureTime = context.configuration.sensor.lineDuration
+ * frameContext.sensor.exposure;
+ double analogueGain = frameContext.sensor.gain;
+ utils::Duration effectiveExposureValue = exposureTime * analogueGain;
+
+ utils::Duration shutterTime;
+ double aGain, dGain;
+ std::tie(shutterTime, aGain, dGain) =
+ calculateNewEv(context.activeState.agc.constraintMode,
+ context.activeState.agc.exposureMode, hist,
+ effectiveExposureValue);
+
+ LOG(IPU3Agc, Debug)
+ << "Divided up shutter, analogue gain and digital gain are "
+ << shutterTime << ", " << aGain << " and " << dGain;
+
+ IPAActiveState &activeState = context.activeState;
+ /* Update the estimated exposure and gain. */
+ activeState.agc.exposure = shutterTime / context.configuration.sensor.lineDuration;
+ activeState.agc.gain = aGain;
+
+ metadata.set(controls::AnalogueGain, frameContext.sensor.gain);
+ metadata.set(controls::ExposureTime, exposureTime.get<std::micro>());
+
+ /* \todo Use VBlank value calculated from each frame exposure. */
+ uint32_t vTotal = context.configuration.sensor.size.height
+ + context.configuration.sensor.defVBlank;
+ utils::Duration frameDuration = context.configuration.sensor.lineDuration
+ * vTotal;
+ metadata.set(controls::FrameDuration, frameDuration.get<std::micro>());
- computeExposure(context, frameContext, yGain, iqMeanGain);
- frameCount_++;
}
+REGISTER_IPA_ALGORITHM(Agc, "Agc")
+
} /* namespace ipa::ipu3::algorithms */
} /* namespace libcamera */
diff --git a/src/ipa/ipu3/algorithms/agc.h b/src/ipa/ipu3/algorithms/agc.h
index 105ae0f2..411f4da0 100644
--- a/src/ipa/ipu3/algorithms/agc.h
+++ b/src/ipa/ipu3/algorithms/agc.h
@@ -2,7 +2,7 @@
/*
* Copyright (C) 2021, Ideas On Board
*
- * agc.h - IPU3 AGC/AEC mean-based control algorithm
+ * IPU3 AGC/AEC mean-based control algorithm
*/
#pragma once
@@ -13,6 +13,9 @@
#include <libcamera/geometry.h>
+#include "libipa/agc_mean_luminance.h"
+#include "libipa/histogram.h"
+
#include "algorithm.h"
namespace libcamera {
@@ -21,28 +24,23 @@ struct IPACameraSensorInfo;
namespace ipa::ipu3::algorithms {
-class Agc : public Algorithm
+class Agc : public Algorithm, public AgcMeanLuminance
{
public:
Agc();
~Agc() = default;
+ int init(IPAContext &context, const YamlObject &tuningData) override;
int configure(IPAContext &context, const IPAConfigInfo &configInfo) override;
- void process(IPAContext &context, IPAFrameContext *frameContext,
- const ipu3_uapi_stats_3a *stats) override;
+ void process(IPAContext &context, const uint32_t frame,
+ IPAFrameContext &frameContext,
+ const ipu3_uapi_stats_3a *stats,
+ ControlList &metadata) override;
private:
- double measureBrightness(const ipu3_uapi_stats_3a *stats,
- const ipu3_uapi_grid_config &grid) const;
- utils::Duration filterExposure(utils::Duration currentExposure);
- void computeExposure(IPAContext &context, IPAFrameContext *frameContext,
- double yGain, double iqMeanGain);
- double estimateLuminance(IPAActiveState &activeState,
- const ipu3_uapi_grid_config &grid,
- const ipu3_uapi_stats_3a *stats,
- double gain);
-
- uint64_t frameCount_;
+ double estimateLuminance(double gain) const override;
+ Histogram parseStatistics(const ipu3_uapi_stats_3a *stats,
+ const ipu3_uapi_grid_config &grid);
utils::Duration minShutterSpeed_;
utils::Duration maxShutterSpeed_;
@@ -50,9 +48,12 @@ private:
double minAnalogueGain_;
double maxAnalogueGain_;
- utils::Duration filteredExposure_;
-
uint32_t stride_;
+ double rGain_;
+ double gGain_;
+ double bGain_;
+ ipu3_uapi_grid_config bdsGrid_;
+ std::vector<std::tuple<uint8_t, uint8_t, uint8_t>> rgbTriples_;
};
} /* namespace ipa::ipu3::algorithms */
diff --git a/src/ipa/ipu3/algorithms/algorithm.h b/src/ipa/ipu3/algorithms/algorithm.h
index ae134a94..c7801f93 100644
--- a/src/ipa/ipu3/algorithms/algorithm.h
+++ b/src/ipa/ipu3/algorithms/algorithm.h
@@ -2,7 +2,7 @@
/*
* Copyright (C) 2021, Ideas On Board
*
- * algorithm.h - IPU3 control algorithm interface
+ * IPU3 control algorithm interface
*/
#pragma once
diff --git a/src/ipa/ipu3/algorithms/awb.cpp b/src/ipa/ipu3/algorithms/awb.cpp
index 70426722..4d6e3994 100644
--- a/src/ipa/ipu3/algorithms/awb.cpp
+++ b/src/ipa/ipu3/algorithms/awb.cpp
@@ -2,7 +2,7 @@
/*
* Copyright (C) 2021, Ideas On Board
*
- * awb.cpp - AWB control algorithm
+ * AWB control algorithm
*/
#include "awb.h"
@@ -11,6 +11,8 @@
#include <libcamera/base/log.h>
+#include <libcamera/control_ids.h>
+
/**
* \file awb.h
*/
@@ -216,6 +218,89 @@ int Awb::configure(IPAContext &context,
return 0;
}
+constexpr uint16_t Awb::threshold(float value)
+{
+ /* AWB thresholds are in the range [0, 8191] */
+ return value * 8191;
+}
+
+constexpr uint16_t Awb::gainValue(double gain)
+{
+ /*
+ * The colour gains applied by the BNR for the four channels (Gr, R, B
+ * and Gb) are expressed in the parameters structure as 16-bit integers
+ * that store a fixed-point U3.13 value in the range [0, 8[.
+ *
+ * The real gain value is equal to the gain parameter plus one, i.e.
+ *
+ * Pout = Pin * (1 + gain / 8192)
+ *
+ * where 'Pin' is the input pixel value, 'Pout' the output pixel value,
+ * and 'gain' the gain in the parameters structure as a 16-bit integer.
+ */
+ return std::clamp((gain - 1.0) * 8192, 0.0, 65535.0);
+}
+
+/**
+ * \copydoc libcamera::ipa::Algorithm::prepare
+ */
+void Awb::prepare(IPAContext &context,
+ [[maybe_unused]] const uint32_t frame,
+ [[maybe_unused]] IPAFrameContext &frameContext,
+ ipu3_uapi_params *params)
+{
+ /*
+ * Green saturation thresholds are reduced because we are using the
+ * green channel only in the exposure computation.
+ */
+ params->acc_param.awb.config.rgbs_thr_r = threshold(1.0);
+ params->acc_param.awb.config.rgbs_thr_gr = threshold(0.9);
+ params->acc_param.awb.config.rgbs_thr_gb = threshold(0.9);
+ params->acc_param.awb.config.rgbs_thr_b = threshold(1.0);
+
+ /*
+ * Enable saturation inclusion on thr_b for ImgU to update the
+ * ipu3_uapi_awb_set_item->sat_ratio field.
+ */
+ params->acc_param.awb.config.rgbs_thr_b |= IPU3_UAPI_AWB_RGBS_THR_B_INCL_SAT |
+ IPU3_UAPI_AWB_RGBS_THR_B_EN;
+
+ const ipu3_uapi_grid_config &grid = context.configuration.grid.bdsGrid;
+
+ params->acc_param.awb.config.grid = context.configuration.grid.bdsGrid;
+
+ /*
+ * Optical center is column start (respectively row start) of the
+ * cell of interest minus its X center (respectively Y center).
+ *
+ * For the moment use BDS as a first approximation, but it should
+ * be calculated based on Shading (SHD) parameters.
+ */
+ params->acc_param.bnr = imguCssBnrDefaults;
+ Size &bdsOutputSize = context.configuration.grid.bdsOutputSize;
+ params->acc_param.bnr.column_size = bdsOutputSize.width;
+ params->acc_param.bnr.opt_center.x_reset = grid.x_start - (bdsOutputSize.width / 2);
+ params->acc_param.bnr.opt_center.y_reset = grid.y_start - (bdsOutputSize.height / 2);
+ params->acc_param.bnr.opt_center_sqr.x_sqr_reset = params->acc_param.bnr.opt_center.x_reset
+ * params->acc_param.bnr.opt_center.x_reset;
+ params->acc_param.bnr.opt_center_sqr.y_sqr_reset = params->acc_param.bnr.opt_center.y_reset
+ * params->acc_param.bnr.opt_center.y_reset;
+
+ params->acc_param.bnr.wb_gains.gr = gainValue(context.activeState.awb.gains.green);
+ params->acc_param.bnr.wb_gains.r = gainValue(context.activeState.awb.gains.red);
+ params->acc_param.bnr.wb_gains.b = gainValue(context.activeState.awb.gains.blue);
+ params->acc_param.bnr.wb_gains.gb = gainValue(context.activeState.awb.gains.green);
+
+ LOG(IPU3Awb, Debug) << "Color temperature estimated: " << asyncResults_.temperatureK;
+
+ /* The CCM matrix may change when color temperature will be used */
+ params->acc_param.ccm = imguCssCcmDefault;
+
+ params->use.acc_awb = 1;
+ params->use.acc_bnr = 1;
+ params->use.acc_ccm = 1;
+}
+
/**
* The function estimates the correlated color temperature using
* from RGB color space input.
@@ -387,8 +472,10 @@ void Awb::calculateWBGains(const ipu3_uapi_stats_3a *stats)
/**
* \copydoc libcamera::ipa::Algorithm::process
*/
-void Awb::process(IPAContext &context, [[maybe_unused]] IPAFrameContext *frameContext,
- const ipu3_uapi_stats_3a *stats)
+void Awb::process(IPAContext &context, [[maybe_unused]] const uint32_t frame,
+ [[maybe_unused]] IPAFrameContext &frameContext,
+ const ipu3_uapi_stats_3a *stats,
+ [[maybe_unused]] ControlList &metadata)
{
calculateWBGains(stats);
@@ -401,87 +488,17 @@ void Awb::process(IPAContext &context, [[maybe_unused]] IPAFrameContext *frameCo
context.activeState.awb.gains.green = asyncResults_.greenGain;
context.activeState.awb.gains.red = asyncResults_.redGain;
context.activeState.awb.temperatureK = asyncResults_.temperatureK;
-}
-constexpr uint16_t Awb::threshold(float value)
-{
- /* AWB thresholds are in the range [0, 8191] */
- return value * 8191;
+ metadata.set(controls::AwbEnable, true);
+ metadata.set(controls::ColourGains, {
+ static_cast<float>(context.activeState.awb.gains.red),
+ static_cast<float>(context.activeState.awb.gains.blue)
+ });
+ metadata.set(controls::ColourTemperature,
+ context.activeState.awb.temperatureK);
}
-constexpr uint16_t Awb::gainValue(double gain)
-{
- /*
- * The colour gains applied by the BNR for the four channels (Gr, R, B
- * and Gb) are expressed in the parameters structure as 16-bit integers
- * that store a fixed-point U3.13 value in the range [0, 8[.
- *
- * The real gain value is equal to the gain parameter plus one, i.e.
- *
- * Pout = Pin * (1 + gain / 8192)
- *
- * where 'Pin' is the input pixel value, 'Pout' the output pixel value,
- * and 'gain' the gain in the parameters structure as a 16-bit integer.
- */
- return std::clamp((gain - 1.0) * 8192, 0.0, 65535.0);
-}
-
-/**
- * \copydoc libcamera::ipa::Algorithm::prepare
- */
-void Awb::prepare(IPAContext &context, ipu3_uapi_params *params)
-{
- /*
- * Green saturation thresholds are reduced because we are using the
- * green channel only in the exposure computation.
- */
- params->acc_param.awb.config.rgbs_thr_r = threshold(1.0);
- params->acc_param.awb.config.rgbs_thr_gr = threshold(0.9);
- params->acc_param.awb.config.rgbs_thr_gb = threshold(0.9);
- params->acc_param.awb.config.rgbs_thr_b = threshold(1.0);
-
- /*
- * Enable saturation inclusion on thr_b for ImgU to update the
- * ipu3_uapi_awb_set_item->sat_ratio field.
- */
- params->acc_param.awb.config.rgbs_thr_b |= IPU3_UAPI_AWB_RGBS_THR_B_INCL_SAT |
- IPU3_UAPI_AWB_RGBS_THR_B_EN;
-
- const ipu3_uapi_grid_config &grid = context.configuration.grid.bdsGrid;
-
- params->acc_param.awb.config.grid = context.configuration.grid.bdsGrid;
-
- /*
- * Optical center is column start (respectively row start) of the
- * cell of interest minus its X center (respectively Y center).
- *
- * For the moment use BDS as a first approximation, but it should
- * be calculated based on Shading (SHD) parameters.
- */
- params->acc_param.bnr = imguCssBnrDefaults;
- Size &bdsOutputSize = context.configuration.grid.bdsOutputSize;
- params->acc_param.bnr.column_size = bdsOutputSize.width;
- params->acc_param.bnr.opt_center.x_reset = grid.x_start - (bdsOutputSize.width / 2);
- params->acc_param.bnr.opt_center.y_reset = grid.y_start - (bdsOutputSize.height / 2);
- params->acc_param.bnr.opt_center_sqr.x_sqr_reset = params->acc_param.bnr.opt_center.x_reset
- * params->acc_param.bnr.opt_center.x_reset;
- params->acc_param.bnr.opt_center_sqr.y_sqr_reset = params->acc_param.bnr.opt_center.y_reset
- * params->acc_param.bnr.opt_center.y_reset;
-
- params->acc_param.bnr.wb_gains.gr = gainValue(context.activeState.awb.gains.green);
- params->acc_param.bnr.wb_gains.r = gainValue(context.activeState.awb.gains.red);
- params->acc_param.bnr.wb_gains.b = gainValue(context.activeState.awb.gains.blue);
- params->acc_param.bnr.wb_gains.gb = gainValue(context.activeState.awb.gains.green);
-
- LOG(IPU3Awb, Debug) << "Color temperature estimated: " << asyncResults_.temperatureK;
-
- /* The CCM matrix may change when color temperature will be used */
- params->acc_param.ccm = imguCssCcmDefault;
-
- params->use.acc_awb = 1;
- params->use.acc_bnr = 1;
- params->use.acc_ccm = 1;
-}
+REGISTER_IPA_ALGORITHM(Awb, "Awb")
} /* namespace ipa::ipu3::algorithms */
diff --git a/src/ipa/ipu3/algorithms/awb.h b/src/ipa/ipu3/algorithms/awb.h
index 0acd2148..c0202823 100644
--- a/src/ipa/ipu3/algorithms/awb.h
+++ b/src/ipa/ipu3/algorithms/awb.h
@@ -2,7 +2,7 @@
/*
* Copyright (C) 2021, Ideas On Board
*
- * awb.h - IPU3 AWB control algorithm
+ * IPU3 AWB control algorithm
*/
#pragma once
@@ -39,9 +39,13 @@ public:
~Awb();
int configure(IPAContext &context, const IPAConfigInfo &configInfo) override;
- void prepare(IPAContext &context, ipu3_uapi_params *params) override;
- void process(IPAContext &context, IPAFrameContext *frameContext,
- const ipu3_uapi_stats_3a *stats) override;
+ void prepare(IPAContext &context, const uint32_t frame,
+ IPAFrameContext &frameContext,
+ ipu3_uapi_params *params) override;
+ void process(IPAContext &context, const uint32_t frame,
+ IPAFrameContext &frameContext,
+ const ipu3_uapi_stats_3a *stats,
+ ControlList &metadata) override;
private:
/* \todo Make these structs available to all the ISPs ? */
diff --git a/src/ipa/ipu3/algorithms/blc.cpp b/src/ipa/ipu3/algorithms/blc.cpp
index 78ab7bff..257f40e2 100644
--- a/src/ipa/ipu3/algorithms/blc.cpp
+++ b/src/ipa/ipu3/algorithms/blc.cpp
@@ -2,7 +2,7 @@
/*
* Copyright (C) 2021, Google inc.
*
- * blc.cpp - IPU3 Black Level Correction control
+ * IPU3 Black Level Correction control
*/
#include "blc.h"
@@ -38,14 +38,18 @@ BlackLevelCorrection::BlackLevelCorrection()
/**
* \brief Fill in the parameter structure, and enable black level correction
- * \param context The shared IPA context
- * \param params The IPU3 parameters
+ * \param[in] context The shared IPA context
+ * \param[in] frame The frame context sequence number
+ * \param[in] frameContext The FrameContext for this frame
+ * \param[out] params The IPU3 parameters
*
* Populate the IPU3 parameter structure with the correction values for each
* channel and enable the corresponding ImgU block processing.
*/
void BlackLevelCorrection::prepare([[maybe_unused]] IPAContext &context,
- ipu3_uapi_params *params)
+ [[maybe_unused]] const uint32_t frame,
+ [[maybe_unused]] IPAFrameContext &frameContext,
+ ipu3_uapi_params *params)
{
/*
* The Optical Black Level correction values
@@ -62,6 +66,8 @@ void BlackLevelCorrection::prepare([[maybe_unused]] IPAContext &context,
params->use.obgrid_param = 1;
}
+REGISTER_IPA_ALGORITHM(BlackLevelCorrection, "BlackLevelCorrection")
+
} /* namespace ipa::ipu3::algorithms */
} /* namespace libcamera */
diff --git a/src/ipa/ipu3/algorithms/blc.h b/src/ipa/ipu3/algorithms/blc.h
index d8da1748..62748045 100644
--- a/src/ipa/ipu3/algorithms/blc.h
+++ b/src/ipa/ipu3/algorithms/blc.h
@@ -2,7 +2,7 @@
/*
* Copyright (C) 2021, Google inc.
*
- * black_correction.h - IPU3 Black Level Correction control
+ * IPU3 Black Level Correction control
*/
#pragma once
@@ -18,7 +18,9 @@ class BlackLevelCorrection : public Algorithm
public:
BlackLevelCorrection();
- void prepare(IPAContext &context, ipu3_uapi_params *params) override;
+ void prepare(IPAContext &context, const uint32_t frame,
+ IPAFrameContext &frameContext,
+ ipu3_uapi_params *params) override;
};
} /* namespace ipa::ipu3::algorithms */
diff --git a/src/ipa/ipu3/algorithms/tone_mapping.cpp b/src/ipa/ipu3/algorithms/tone_mapping.cpp
index f86e79b2..160338c1 100644
--- a/src/ipa/ipu3/algorithms/tone_mapping.cpp
+++ b/src/ipa/ipu3/algorithms/tone_mapping.cpp
@@ -2,7 +2,7 @@
/*
* Copyright (C) 2021, Google inc.
*
- * tone_mapping.cpp - IPU3 ToneMapping and Gamma control
+ * IPU3 ToneMapping and Gamma control
*/
#include "tone_mapping.h"
@@ -49,13 +49,17 @@ int ToneMapping::configure(IPAContext &context,
/**
* \brief Fill in the parameter structure, and enable gamma control
- * \param context The shared IPA context
- * \param params The IPU3 parameters
+ * \param[in] context The shared IPA context
+ * \param[in] frame The frame context sequence number
+ * \param[in] frameContext The FrameContext for this frame
+ * \param[out] params The IPU3 parameters
*
* Populate the IPU3 parameter structure with our tone mapping look up table and
* enable the gamma control module in the processing blocks.
*/
void ToneMapping::prepare([[maybe_unused]] IPAContext &context,
+ [[maybe_unused]] const uint32_t frame,
+ [[maybe_unused]] IPAFrameContext &frameContext,
ipu3_uapi_params *params)
{
/* Copy the calculated LUT into the parameters buffer. */
@@ -71,15 +75,19 @@ void ToneMapping::prepare([[maybe_unused]] IPAContext &context,
/**
* \brief Calculate the tone mapping look up table
- * \param context The shared IPA context
- * \param frameContext The current frame context
- * \param stats The IPU3 statistics and ISP results
+ * \param[in] context The shared IPA context
+ * \param[in] frame The current frame sequence number
+ * \param[in] frameContext The current frame context
+ * \param[in] stats The IPU3 statistics and ISP results
+ * \param[out] metadata Metadata for the frame, to be filled by the algorithm
*
* The tone mapping look up table is generated as an inverse power curve from
* our gamma setting.
*/
-void ToneMapping::process(IPAContext &context, [[maybe_unused]] IPAFrameContext *frameContext,
- [[maybe_unused]] const ipu3_uapi_stats_3a *stats)
+void ToneMapping::process(IPAContext &context, [[maybe_unused]] const uint32_t frame,
+ [[maybe_unused]] IPAFrameContext &frameContext,
+ [[maybe_unused]] const ipu3_uapi_stats_3a *stats,
+ [[maybe_unused]] ControlList &metadata)
{
/*
* Hardcode gamma to 1.1 as a default for now.
@@ -105,6 +113,8 @@ void ToneMapping::process(IPAContext &context, [[maybe_unused]] IPAFrameContext
context.activeState.toneMapping.gamma = gamma_;
}
+REGISTER_IPA_ALGORITHM(ToneMapping, "ToneMapping")
+
} /* namespace ipa::ipu3::algorithms */
} /* namespace libcamera */
diff --git a/src/ipa/ipu3/algorithms/tone_mapping.h b/src/ipa/ipu3/algorithms/tone_mapping.h
index d7d48006..b2b38010 100644
--- a/src/ipa/ipu3/algorithms/tone_mapping.h
+++ b/src/ipa/ipu3/algorithms/tone_mapping.h
@@ -2,7 +2,7 @@
/*
* Copyright (C) 2021, Google inc.
*
- * tone_mapping.h - IPU3 ToneMapping and Gamma control
+ * IPU3 ToneMapping and Gamma control
*/
#pragma once
@@ -19,9 +19,12 @@ public:
ToneMapping();
int configure(IPAContext &context, const IPAConfigInfo &configInfo) override;
- void prepare(IPAContext &context, ipu3_uapi_params *params) override;
- void process(IPAContext &context, IPAFrameContext *frameContext,
- const ipu3_uapi_stats_3a *stats) override;
+ void prepare(IPAContext &context, const uint32_t frame,
+ IPAFrameContext &frameContext, ipu3_uapi_params *params) override;
+ void process(IPAContext &context, const uint32_t frame,
+ IPAFrameContext &frameContext,
+ const ipu3_uapi_stats_3a *stats,
+ ControlList &metadata) override;
private:
double gamma_;
diff --git a/src/ipa/ipu3/data/meson.build b/src/ipa/ipu3/data/meson.build
new file mode 100644
index 00000000..0f7cd5c6
--- /dev/null
+++ b/src/ipa/ipu3/data/meson.build
@@ -0,0 +1,9 @@
+# SPDX-License-Identifier: CC0-1.0
+
+conf_files = files([
+ 'uncalibrated.yaml',
+])
+
+install_data(conf_files,
+ install_dir : ipa_data_dir / 'ipu3',
+ install_tag : 'runtime')
diff --git a/src/ipa/ipu3/data/uncalibrated.yaml b/src/ipa/ipu3/data/uncalibrated.yaml
new file mode 100644
index 00000000..794ab3ed
--- /dev/null
+++ b/src/ipa/ipu3/data/uncalibrated.yaml
@@ -0,0 +1,11 @@
+# SPDX-License-Identifier: CC0-1.0
+%YAML 1.1
+---
+version: 1
+algorithms:
+ - Af:
+ - Agc:
+ - Awb:
+ - BlackLevelCorrection:
+ - ToneMapping:
+...
diff --git a/src/ipa/ipu3/ipa_context.cpp b/src/ipa/ipu3/ipa_context.cpp
index 13cdb835..917d0654 100644
--- a/src/ipa/ipu3/ipa_context.cpp
+++ b/src/ipa/ipu3/ipa_context.cpp
@@ -2,7 +2,7 @@
/*
* Copyright (C) 2021, Google Inc.
*
- * ipa_context.cpp - IPU3 IPA Context
+ * IPU3 IPA Context
*/
#include "ipa_context.h"
@@ -36,22 +36,6 @@ namespace libcamera::ipa::ipu3 {
*/
/**
- * \struct IPAFrameContext
- * \brief Context for a frame
- *
- * The frame context stores data specific to a single frame processed by the
- * IPA. Each frame processed by the IPA has a context associated with it,
- * accessible through the IPAContext structure.
- *
- * Fields in the frame context should reflect values and controls
- * associated with the specific frame as requested by the application, and
- * as configured by the hardware. Fields can be read by algorithms to
- * determine if they should update any specific action for this frame, and
- * finally to update the metadata control lists when the frame is fully
- * completed.
- */
-
-/**
* \struct IPAContext
* \brief Global IPA context data shared between all algorithms
*
@@ -63,6 +47,9 @@ namespace libcamera::ipa::ipu3 {
*
* \var IPAContext::activeState
* \brief The current state of IPA algorithms
+ *
+ * \var IPAContext::ctrlMap
+ * \brief A ControlInfoMap::Map of controls populated by the algorithms
*/
/**
@@ -84,22 +71,21 @@ namespace libcamera::ipa::ipu3 {
* \brief AF grid configuration of the IPA
*
* \var IPASessionConfiguration::af.afGrid
- * \brief AF scene grid configuration.
+ * \brief AF scene grid configuration
*/
/**
* \var IPAActiveState::af
* \brief Context for the Automatic Focus algorithm
*
- * \struct IPAActiveState::af
* \var IPAActiveState::af.focus
* \brief Current position of the lens
*
* \var IPAActiveState::af.maxVariance
- * \brief The maximum variance of the current image.
+ * \brief The maximum variance of the current image
*
* \var IPAActiveState::af.stable
- * \brief It is set to true, if the best focus is found.
+ * \brief It is set to true, if the best focus is found
*/
/**
@@ -128,6 +114,9 @@ namespace libcamera::ipa::ipu3 {
*
* \var IPASessionConfiguration::sensor.defVBlank
* \brief The default vblank value of the sensor
+ *
+ * \var IPASessionConfiguration::sensor.size
+ * \brief Sensor output resolution
*/
/**
@@ -150,7 +139,7 @@ namespace libcamera::ipa::ipu3 {
* \var IPAActiveState::awb
* \brief Context for the Automatic White Balance algorithm
*
- * \struct IPAActiveState::awb.gains
+ * \var IPAActiveState::awb.gains
* \brief White balance gains
*
* \var IPAActiveState::awb.gains.red
@@ -181,25 +170,8 @@ namespace libcamera::ipa::ipu3 {
*/
/**
- * \brief Default constructor for IPAFrameContext
- */
-IPAFrameContext::IPAFrameContext() = default;
-
-/**
- * \brief Construct a IPAFrameContext instance
- */
-IPAFrameContext::IPAFrameContext(uint32_t id, const ControlList &reqControls)
- : frame(id), frameControls(reqControls)
-{
- sensor = {};
-}
-
-/**
- * \var IPAFrameContext::frame
- * \brief The frame number
- *
- * \var IPAFrameContext::frameControls
- * \brief Controls sent in by the application while queuing the request
+ * \struct IPAFrameContext
+ * \brief IPU3-specific FrameContext
*
* \var IPAFrameContext::sensor
* \brief Effective sensor values that were applied for the frame
diff --git a/src/ipa/ipu3/ipa_context.h b/src/ipa/ipu3/ipa_context.h
index 42e11141..c85d1e34 100644
--- a/src/ipa/ipu3/ipa_context.h
+++ b/src/ipa/ipu3/ipa_context.h
@@ -2,14 +2,12 @@
/*
* Copyright (C) 2021, Google Inc.
*
- * ipa_context.h - IPU3 IPA Context
+ * IPU3 IPA Context
*
*/
#pragma once
-#include <array>
-
#include <linux/intel-ipu3.h>
#include <libcamera/base/utils.h>
@@ -17,13 +15,12 @@
#include <libcamera/controls.h>
#include <libcamera/geometry.h>
+#include <libipa/fc_queue.h>
+
namespace libcamera {
namespace ipa::ipu3 {
-/* Maximum number of frame contexts to be held */
-static constexpr uint32_t kMaxFrameContexts = 16;
-
struct IPASessionConfiguration {
struct {
ipu3_uapi_grid_config bdsGrid;
@@ -45,6 +42,7 @@ struct IPASessionConfiguration {
struct {
int32_t defVBlank;
utils::Duration lineDuration;
+ Size size;
} sensor;
};
@@ -58,6 +56,8 @@ struct IPAActiveState {
struct {
uint32_t exposure;
double gain;
+ uint32_t constraintMode;
+ uint32_t exposureMode;
} agc;
struct {
@@ -76,24 +76,20 @@ struct IPAActiveState {
} toneMapping;
};
-struct IPAFrameContext {
- IPAFrameContext();
- IPAFrameContext(uint32_t id, const ControlList &reqControls);
-
+struct IPAFrameContext : public FrameContext {
struct {
uint32_t exposure;
double gain;
} sensor;
-
- uint32_t frame;
- ControlList frameControls;
};
struct IPAContext {
IPASessionConfiguration configuration;
IPAActiveState activeState;
- std::array<IPAFrameContext, kMaxFrameContexts> frameContexts;
+ FCQueue<IPAFrameContext> frameContexts;
+
+ ControlInfoMap::Map ctrlMap;
};
} /* namespace ipa::ipu3 */
diff --git a/src/ipa/ipu3/ipu3-ipa-design-guide.rst b/src/ipa/ipu3/ipu3-ipa-design-guide.rst
index e724fdda..72506397 100644
--- a/src/ipa/ipu3/ipu3-ipa-design-guide.rst
+++ b/src/ipa/ipu3/ipu3-ipa-design-guide.rst
@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: CC-BY-SA-4.0
+
IPU3 IPA Architecture Design and Overview
=========================================
diff --git a/src/ipa/ipu3/ipu3.cpp b/src/ipa/ipu3/ipu3.cpp
index 2f6bb672..cdcdf1fb 100644
--- a/src/ipa/ipu3/ipu3.cpp
+++ b/src/ipa/ipu3/ipu3.cpp
@@ -2,7 +2,7 @@
/*
* Copyright (C) 2020, Google Inc.
*
- * ipu3.cpp - IPU3 Image Processing Algorithms
+ * IPU3 Image Processing Algorithms
*/
#include <algorithm>
@@ -18,6 +18,7 @@
#include <linux/intel-ipu3.h>
#include <linux/v4l2-controls.h>
+#include <libcamera/base/file.h>
#include <libcamera/base/log.h>
#include <libcamera/base/utils.h>
@@ -29,6 +30,7 @@
#include <libcamera/request.h>
#include "libcamera/internal/mapped_framebuffer.h"
+#include "libcamera/internal/yaml_parser.h"
#include "algorithms/af.h"
#include "algorithms/agc.h"
@@ -38,6 +40,8 @@
#include "algorithms/tone_mapping.h"
#include "libipa/camera_sensor_helper.h"
+#include "ipa_context.h"
+
/* Minimum grid width, expressed as a number of cells */
static constexpr uint32_t kMinGridWidth = 16;
/* Maximum grid width, expressed as a number of cells */
@@ -51,6 +55,9 @@ static constexpr uint32_t kMinCellSizeLog2 = 3;
/* log2 of the maximum grid cell width and height, in pixels */
static constexpr uint32_t kMaxCellSizeLog2 = 6;
+/* Maximum number of frame contexts to be held */
+static constexpr uint32_t kMaxFrameContexts = 16;
+
namespace libcamera {
LOG_DEFINE_CATEGORY(IPAIPU3)
@@ -71,7 +78,7 @@ namespace ipa::ipu3 {
*
* At initialisation time, a CameraSensorHelper is instantiated to support
* camera-specific calculations, while the default controls are computed, and
- * the algorithms are constructed and placed in an ordered list.
+ * the algorithms are instantiated from the tuning data file.
*
* The IPU3 ImgU operates with a grid layout to divide the overall frame into
* rectangular cells of pixels. When the IPA is configured, we determine the
@@ -92,12 +99,14 @@ namespace ipa::ipu3 {
* fillParamsBuffer() call.
*
* The individual algorithms are split into modular components that are called
- * iteratively to allow them to process statistics from the ImgU in a defined
- * order.
+ * iteratively to allow them to process statistics from the ImgU in the order
+ * defined in the tuning data file.
*
- * The current implementation supports three core algorithms:
- * - Automatic white balance (AWB)
+ * The current implementation supports five core algorithms:
+ *
+ * - Auto focus (AF)
* - Automatic gain and exposure control (AGC)
+ * - Automatic white balance (AWB)
* - Black level correction (BLC)
* - Tone mapping (Gamma)
*
@@ -128,9 +137,11 @@ namespace ipa::ipu3 {
* sensor-specific tuning to adapt for Black Level compensation (BLC), Lens
* shading correction (SHD) and Color correction (CCM).
*/
-class IPAIPU3 : public IPAIPU3Interface
+class IPAIPU3 : public IPAIPU3Interface, public Module
{
public:
+ IPAIPU3();
+
int init(const IPASettings &settings,
const IPACameraSensorInfo &sensorInfo,
const ControlInfoMap &sensorControls,
@@ -150,14 +161,16 @@ public:
void processStatsBuffer(const uint32_t frame, const int64_t frameTimestamp,
const uint32_t bufferId,
const ControlList &sensorControls) override;
+
+protected:
+ std::string logPrefix() const override;
+
private:
void updateControls(const IPACameraSensorInfo &sensorInfo,
const ControlInfoMap &sensorControls,
ControlInfoMap *ipaControls);
void updateSessionConfiguration(const ControlInfoMap &sensorControls);
- bool validateSensorControls();
-
void setControls(unsigned int frame);
void calculateBdsGrid(const Size &bdsOutputSize);
@@ -171,13 +184,20 @@ private:
/* Interface to the Camera Helper */
std::unique_ptr<CameraSensorHelper> camHelper_;
- /* Maintain the algorithms used by the IPA */
- std::list<std::unique_ptr<ipa::ipu3::Algorithm>> algorithms_;
-
/* Local parameter storage */
struct IPAContext context_;
};
+IPAIPU3::IPAIPU3()
+ : context_({ {}, {}, { kMaxFrameContexts }, {} })
+{
+}
+
+std::string IPAIPU3::logPrefix() const
+{
+ return "ipu3";
+}
+
/**
* \brief Compute IPASessionConfiguration using the sensor information and the
* sensor V4L2 controls
@@ -267,32 +287,11 @@ void IPAIPU3::updateControls(const IPACameraSensorInfo &sensorInfo,
frameDurations[1],
frameDurations[2]);
+ controls.merge(context_.ctrlMap);
*ipaControls = ControlInfoMap(std::move(controls), controls::controls);
}
/**
- * \brief Validate that the sensor controls mandatory for the IPA exists
- */
-bool IPAIPU3::validateSensorControls()
-{
- static const uint32_t ctrls[] = {
- V4L2_CID_ANALOGUE_GAIN,
- V4L2_CID_EXPOSURE,
- V4L2_CID_VBLANK,
- };
-
- for (auto c : ctrls) {
- if (sensorCtrls_.find(c) == sensorCtrls_.end()) {
- LOG(IPAIPU3, Error) << "Unable to find sensor control "
- << utils::hex(c);
- return false;
- }
- }
-
- return true;
-}
-
-/**
* \brief Initialize the IPA module and its controls
*
* This function receives the camera sensor information from the pipeline
@@ -304,7 +303,7 @@ int IPAIPU3::init(const IPASettings &settings,
const ControlInfoMap &sensorControls,
ControlInfoMap *ipaControls)
{
- camHelper_ = CameraSensorHelperFactory::create(settings.sensorModel);
+ camHelper_ = CameraSensorHelperFactoryBase::create(settings.sensorModel);
if (camHelper_ == nullptr) {
LOG(IPAIPU3, Error)
<< "Failed to create camera sensor helper for "
@@ -314,14 +313,39 @@ int IPAIPU3::init(const IPASettings &settings,
/* Clean context */
context_.configuration = {};
- context_.configuration.sensor.lineDuration = sensorInfo.lineLength * 1.0s / sensorInfo.pixelRate;
+ context_.configuration.sensor.lineDuration = sensorInfo.minLineLength
+ * 1.0s / sensorInfo.pixelRate;
+
+ /* Load the tuning data file. */
+ File file(settings.configurationFile);
+ if (!file.open(File::OpenModeFlag::ReadOnly)) {
+ int ret = file.error();
+ LOG(IPAIPU3, Error)
+ << "Failed to open configuration file "
+ << settings.configurationFile << ": " << strerror(-ret);
+ return ret;
+ }
- /* Construct our Algorithms */
- algorithms_.push_back(std::make_unique<algorithms::Af>());
- algorithms_.push_back(std::make_unique<algorithms::Agc>());
- algorithms_.push_back(std::make_unique<algorithms::Awb>());
- algorithms_.push_back(std::make_unique<algorithms::BlackLevelCorrection>());
- algorithms_.push_back(std::make_unique<algorithms::ToneMapping>());
+ std::unique_ptr<libcamera::YamlObject> data = YamlParser::parse(file);
+ if (!data)
+ return -EINVAL;
+
+ unsigned int version = (*data)["version"].get<uint32_t>(0);
+ if (version != 1) {
+ LOG(IPAIPU3, Error)
+ << "Invalid tuning file version " << version;
+ return -EINVAL;
+ }
+
+ if (!data->contains("algorithms")) {
+ LOG(IPAIPU3, Error)
+ << "Tuning file doesn't contain any algorithm";
+ return -EINVAL;
+ }
+
+ int ret = createAlgorithms(context_, (*data)["algorithms"]);
+ if (ret)
+ return ret;
/* Initialize controls. */
updateControls(sensorInfo, sensorControls, ipaControls);
@@ -348,6 +372,7 @@ int IPAIPU3::start()
*/
void IPAIPU3::stop()
{
+ context_.frameContexts.clear();
}
/**
@@ -446,6 +471,16 @@ int IPAIPU3::configure(const IPAConfigInfo &configInfo,
lensCtrls_ = configInfo.lensControls;
+ /* Clear the IPA context for the new streaming session. */
+ context_.activeState = {};
+ context_.configuration = {};
+ context_.frameContexts.clear();
+
+ /* Initialise the sensor configuration. */
+ context_.configuration.sensor.lineDuration = sensorInfo_.minLineLength
+ * 1.0s / sensorInfo_.pixelRate;
+ context_.configuration.sensor.size = sensorInfo_.outputSize;
+
/*
* Compute the sensor V4L2 controls to be used by the algorithms and
* to be set on the sensor.
@@ -454,23 +489,13 @@ int IPAIPU3::configure(const IPAConfigInfo &configInfo,
calculateBdsGrid(configInfo.bdsOutputSize);
- /* Clean IPAActiveState at each reconfiguration. */
- context_.activeState = {};
- IPAFrameContext initFrameContext;
- context_.frameContexts.fill(initFrameContext);
-
- if (!validateSensorControls()) {
- LOG(IPAIPU3, Error) << "Sensor control validation failed.";
- return -EINVAL;
- }
-
/* Update the camera controls using the new sensor settings. */
updateControls(sensorInfo_, sensorCtrls_, ipaControls);
/* Update the IPASessionConfiguration using the sensor settings. */
updateSessionConfiguration(sensorCtrls_);
- for (auto const &algo : algorithms_) {
+ for (auto const &algo : algorithms()) {
int ret = algo->configure(context_, configInfo);
if (ret)
return ret;
@@ -538,8 +563,10 @@ void IPAIPU3::fillParamsBuffer(const uint32_t frame, const uint32_t bufferId)
*/
params->use = {};
- for (auto const &algo : algorithms_)
- algo->prepare(context_, params);
+ IPAFrameContext &frameContext = context_.frameContexts.get(frame);
+
+ for (auto const &algo : algorithms())
+ algo->prepare(context_, frame, frameContext, params);
paramsBufferReady.emit(frame);
}
@@ -569,33 +596,18 @@ void IPAIPU3::processStatsBuffer(const uint32_t frame,
const ipu3_uapi_stats_3a *stats =
reinterpret_cast<ipu3_uapi_stats_3a *>(mem.data());
- IPAFrameContext &frameContext = context_.frameContexts[frame % kMaxFrameContexts];
-
- if (frameContext.frame != frame)
- LOG(IPAIPU3, Warning) << "Frame " << frame << " does not match its frame context";
+ IPAFrameContext &frameContext = context_.frameContexts.get(frame);
frameContext.sensor.exposure = sensorControls.get(V4L2_CID_EXPOSURE).get<int32_t>();
frameContext.sensor.gain = camHelper_->gain(sensorControls.get(V4L2_CID_ANALOGUE_GAIN).get<int32_t>());
- double lineDuration = context_.configuration.sensor.lineDuration.get<std::micro>();
- int32_t vBlank = context_.configuration.sensor.defVBlank;
- ControlList ctrls(controls::controls);
+ ControlList metadata(controls::controls);
- for (auto const &algo : algorithms_)
- algo->process(context_, &frameContext, stats);
+ for (auto const &algo : algorithms())
+ algo->process(context_, frame, frameContext, stats, metadata);
setControls(frame);
- /* \todo Use VBlank value calculated from each frame exposure. */
- int64_t frameDuration = (vBlank + sensorInfo_.outputSize.height) * lineDuration;
- ctrls.set(controls::FrameDuration, frameDuration);
-
- ctrls.set(controls::AnalogueGain, frameContext.sensor.gain);
-
- ctrls.set(controls::ColourTemperature, context_.activeState.awb.temperatureK);
-
- ctrls.set(controls::ExposureTime, frameContext.sensor.exposure * lineDuration);
-
/*
* \todo The Metadata provides a path to getting extended data
* out to the application. Further data such as a simplifed Histogram
@@ -604,7 +616,7 @@ void IPAIPU3::processStatsBuffer(const uint32_t frame,
* likely want to avoid putting platform specific metadata in.
*/
- metadataReady.emit(frame, ctrls);
+ metadataReady.emit(frame, metadata);
}
/**
@@ -617,8 +629,10 @@ void IPAIPU3::processStatsBuffer(const uint32_t frame,
*/
void IPAIPU3::queueRequest(const uint32_t frame, const ControlList &controls)
{
- /* \todo Start processing for 'frame' based on 'controls'. */
- context_.frameContexts[frame % kMaxFrameContexts] = { frame, controls };
+ IPAFrameContext &frameContext = context_.frameContexts.alloc(frame);
+
+ for (auto const &algo : algorithms())
+ algo->queueRequest(context_, frame, frameContext, controls);
}
/**
@@ -659,7 +673,7 @@ extern "C" {
const struct IPAModuleInfo ipaModuleInfo = {
IPA_MODULE_API_VERSION,
1,
- "PipelineHandlerIPU3",
+ "ipu3",
"ipu3",
};
diff --git a/src/ipa/ipu3/meson.build b/src/ipa/ipu3/meson.build
index 3194111a..66c39843 100644
--- a/src/ipa/ipu3/meson.build
+++ b/src/ipa/ipu3/meson.build
@@ -1,6 +1,7 @@
# SPDX-License-Identifier: CC0-1.0
subdir('algorithms')
+subdir('data')
ipa_name = 'ipa_ipu3'
@@ -28,3 +29,5 @@ if ipa_sign_module
install : false,
build_by_default : true)
endif
+
+ipa_names += ipa_name
diff --git a/src/ipa/ipu3/module.h b/src/ipa/ipu3/module.h
index d94fc459..60f65cc4 100644
--- a/src/ipa/ipu3/module.h
+++ b/src/ipa/ipu3/module.h
@@ -2,7 +2,7 @@
/*
* Copyright (C) 2022, Ideas On Board
*
- * module.h - IPU3 IPA Module
+ * IPU3 IPA Module
*/
#pragma once
diff --git a/src/ipa/libipa/agc_mean_luminance.cpp b/src/ipa/libipa/agc_mean_luminance.cpp
new file mode 100644
index 00000000..271b5ae4
--- /dev/null
+++ b/src/ipa/libipa/agc_mean_luminance.cpp
@@ -0,0 +1,577 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2024 Ideas on Board Oy
+ *
+ * Base class for mean luminance AGC algorithms
+ */
+
+#include "agc_mean_luminance.h"
+
+#include <cmath>
+
+#include <libcamera/base/log.h>
+#include <libcamera/control_ids.h>
+
+#include "exposure_mode_helper.h"
+
+using namespace libcamera::controls;
+
+/**
+ * \file agc_mean_luminance.h
+ * \brief Base class implementing mean luminance AEGC
+ */
+
+namespace libcamera {
+
+using namespace std::literals::chrono_literals;
+
+LOG_DEFINE_CATEGORY(AgcMeanLuminance)
+
+namespace ipa {
+
+/*
+ * Number of frames for which to run the algorithm at full speed, before slowing
+ * down to prevent large and jarring changes in exposure from frame to frame.
+ */
+static constexpr uint32_t kNumStartupFrames = 10;
+
+/*
+ * Default relative luminance target
+ *
+ * This value should be chosen so that when the camera points at a grey target,
+ * the resulting image brightness looks "right". Custom values can be passed
+ * as the relativeLuminanceTarget value in sensor tuning files.
+ */
+static constexpr double kDefaultRelativeLuminanceTarget = 0.16;
+
+/**
+ * \struct AgcMeanLuminance::AgcConstraint
+ * \brief The boundaries and target for an AeConstraintMode constraint
+ *
+ * This structure describes an AeConstraintMode constraint for the purposes of
+ * this algorithm. These constraints are expressed as a pair of quantile
+ * boundaries for a histogram, along with a luminance target and a bounds-type.
+ * The algorithm uses the constraints by ensuring that the defined portion of a
+ * luminance histogram (I.E. lying between the two quantiles) is above or below
+ * the given luminance value.
+ */
+
+/**
+ * \enum AgcMeanLuminance::AgcConstraint::Bound
+ * \brief Specify whether the constraint defines a lower or upper bound
+ * \var AgcMeanLuminance::AgcConstraint::lower
+ * \brief The constraint defines a lower bound
+ * \var AgcMeanLuminance::AgcConstraint::upper
+ * \brief The constraint defines an upper bound
+ */
+
+/**
+ * \var AgcMeanLuminance::AgcConstraint::bound
+ * \brief The type of constraint bound
+ */
+
+/**
+ * \var AgcMeanLuminance::AgcConstraint::qLo
+ * \brief The lower quantile to use for the constraint
+ */
+
+/**
+ * \var AgcMeanLuminance::AgcConstraint::qHi
+ * \brief The upper quantile to use for the constraint
+ */
+
+/**
+ * \var AgcMeanLuminance::AgcConstraint::yTarget
+ * \brief The luminance target for the constraint
+ */
+
+/**
+ * \class AgcMeanLuminance
+ * \brief A mean-based auto-exposure algorithm
+ *
+ * This algorithm calculates a shutter time, analogue and digital gain such that
+ * the normalised mean luminance value of an image is driven towards a target,
+ * which itself is discovered from tuning data. The algorithm is a two-stage
+ * process.
+ *
+ * In the first stage, an initial gain value is derived by iteratively comparing
+ * the gain-adjusted mean luminance across the entire image against a target,
+ * and selecting a value which pushes it as closely as possible towards the
+ * target.
+ *
+ * In the second stage we calculate the gain required to drive the average of a
+ * section of a histogram to a target value, where the target and the boundaries
+ * of the section of the histogram used in the calculation are taken from the
+ * values defined for the currently configured AeConstraintMode within the
+ * tuning data. This class provides a helper function to parse those tuning data
+ * to discover the constraints, and so requires a specific format for those
+ * data which is described in \ref parseTuningData(). The gain from the first
+ * stage is then clamped to the gain from this stage.
+ *
+ * The final gain is used to adjust the effective exposure value of the image,
+ * and that new exposure value is divided into shutter time, analogue gain and
+ * digital gain according to the selected AeExposureMode. This class uses the
+ * \ref ExposureModeHelper class to assist in that division, and expects the
+ * data needed to initialise that class to be present in tuning data in a
+ * format described in \ref parseTuningData().
+ *
+ * In order to be able to use this algorithm an IPA module needs to be able to
+ * do the following:
+ *
+ * 1. Provide a luminance estimation across an entire image.
+ * 2. Provide a luminance Histogram for the image to use in calculating
+ * constraint compliance. The precision of the Histogram that is available
+ * will determine the supportable precision of the constraints.
+ *
+ * IPA modules that want to use this class to implement their AEGC algorithm
+ * should derive it and provide an overriding estimateLuminance() function for
+ * this class to use. They must call parseTuningData() in init(), and must also
+ * call setLimits() and resetFrameCounter() in configure(). They may then use
+ * calculateNewEv() in process(). If the limits passed to setLimits() change for
+ * any reason (for example, in response to a FrameDurationLimit control being
+ * passed in queueRequest()) then setLimits() must be called again with the new
+ * values.
+ */
+
+AgcMeanLuminance::AgcMeanLuminance()
+ : frameCount_(0), filteredExposure_(0s), relativeLuminanceTarget_(0)
+{
+}
+
+AgcMeanLuminance::~AgcMeanLuminance() = default;
+
+void AgcMeanLuminance::parseRelativeLuminanceTarget(const YamlObject &tuningData)
+{
+ relativeLuminanceTarget_ =
+ tuningData["relativeLuminanceTarget"].get<double>(kDefaultRelativeLuminanceTarget);
+}
+
+void AgcMeanLuminance::parseConstraint(const YamlObject &modeDict, int32_t id)
+{
+ for (const auto &[boundName, content] : modeDict.asDict()) {
+ if (boundName != "upper" && boundName != "lower") {
+ LOG(AgcMeanLuminance, Warning)
+ << "Ignoring unknown constraint bound '" << boundName << "'";
+ continue;
+ }
+
+ unsigned int idx = static_cast<unsigned int>(boundName == "upper");
+ AgcConstraint::Bound bound = static_cast<AgcConstraint::Bound>(idx);
+ double qLo = content["qLo"].get<double>().value_or(0.98);
+ double qHi = content["qHi"].get<double>().value_or(1.0);
+ double yTarget =
+ content["yTarget"].getList<double>().value_or(std::vector<double>{ 0.5 }).at(0);
+
+ AgcConstraint constraint = { bound, qLo, qHi, yTarget };
+
+ if (!constraintModes_.count(id))
+ constraintModes_[id] = {};
+
+ if (idx)
+ constraintModes_[id].push_back(constraint);
+ else
+ constraintModes_[id].insert(constraintModes_[id].begin(), constraint);
+ }
+}
+
+int AgcMeanLuminance::parseConstraintModes(const YamlObject &tuningData)
+{
+ std::vector<ControlValue> availableConstraintModes;
+
+ const YamlObject &yamlConstraintModes = tuningData[controls::AeConstraintMode.name()];
+ if (yamlConstraintModes.isDictionary()) {
+ for (const auto &[modeName, modeDict] : yamlConstraintModes.asDict()) {
+ if (AeConstraintModeNameValueMap.find(modeName) ==
+ AeConstraintModeNameValueMap.end()) {
+ LOG(AgcMeanLuminance, Warning)
+ << "Skipping unknown constraint mode '" << modeName << "'";
+ continue;
+ }
+
+ if (!modeDict.isDictionary()) {
+ LOG(AgcMeanLuminance, Error)
+ << "Invalid constraint mode '" << modeName << "'";
+ return -EINVAL;
+ }
+
+ parseConstraint(modeDict,
+ AeConstraintModeNameValueMap.at(modeName));
+ availableConstraintModes.push_back(
+ AeConstraintModeNameValueMap.at(modeName));
+ }
+ }
+
+ /*
+ * If the tuning data file contains no constraints then we use the
+ * default constraint that the IPU3/RkISP1 Agc algorithms were adhering
+ * to anyway before centralisation; this constraint forces the top 2% of
+ * the histogram to be at least 0.5.
+ */
+ if (constraintModes_.empty()) {
+ AgcConstraint constraint = {
+ AgcConstraint::Bound::lower,
+ 0.98,
+ 1.0,
+ 0.5
+ };
+
+ constraintModes_[controls::ConstraintNormal].insert(
+ constraintModes_[controls::ConstraintNormal].begin(),
+ constraint);
+ availableConstraintModes.push_back(
+ AeConstraintModeNameValueMap.at("ConstraintNormal"));
+ }
+
+ controls_[&controls::AeConstraintMode] = ControlInfo(availableConstraintModes);
+
+ return 0;
+}
+
+int AgcMeanLuminance::parseExposureModes(const YamlObject &tuningData)
+{
+ std::vector<ControlValue> availableExposureModes;
+
+ const YamlObject &yamlExposureModes = tuningData[controls::AeExposureMode.name()];
+ if (yamlExposureModes.isDictionary()) {
+ for (const auto &[modeName, modeValues] : yamlExposureModes.asDict()) {
+ if (AeExposureModeNameValueMap.find(modeName) ==
+ AeExposureModeNameValueMap.end()) {
+ LOG(AgcMeanLuminance, Warning)
+ << "Skipping unknown exposure mode '" << modeName << "'";
+ continue;
+ }
+
+ if (!modeValues.isDictionary()) {
+ LOG(AgcMeanLuminance, Error)
+ << "Invalid exposure mode '" << modeName << "'";
+ return -EINVAL;
+ }
+
+ std::vector<uint32_t> shutters =
+ modeValues["shutter"].getList<uint32_t>().value_or(std::vector<uint32_t>{});
+ std::vector<double> gains =
+ modeValues["gain"].getList<double>().value_or(std::vector<double>{});
+
+ if (shutters.size() != gains.size()) {
+ LOG(AgcMeanLuminance, Error)
+ << "Shutter and gain array sizes unequal";
+ return -EINVAL;
+ }
+
+ if (shutters.empty()) {
+ LOG(AgcMeanLuminance, Error)
+ << "Shutter and gain arrays are empty";
+ return -EINVAL;
+ }
+
+ std::vector<std::pair<utils::Duration, double>> stages;
+ for (unsigned int i = 0; i < shutters.size(); i++) {
+ stages.push_back({
+ std::chrono::microseconds(shutters[i]),
+ gains[i]
+ });
+ }
+
+ std::shared_ptr<ExposureModeHelper> helper =
+ std::make_shared<ExposureModeHelper>(stages);
+
+ exposureModeHelpers_[AeExposureModeNameValueMap.at(modeName)] = helper;
+ availableExposureModes.push_back(AeExposureModeNameValueMap.at(modeName));
+ }
+ }
+
+ /*
+ * If we don't have any exposure modes in the tuning data we create an
+ * ExposureModeHelper using an empty vector of stages. This will result
+ * in the ExposureModeHelper simply driving the shutter as high as
+ * possible before touching gain.
+ */
+ if (availableExposureModes.empty()) {
+ int32_t exposureModeId = AeExposureModeNameValueMap.at("ExposureNormal");
+ std::vector<std::pair<utils::Duration, double>> stages = { };
+
+ std::shared_ptr<ExposureModeHelper> helper =
+ std::make_shared<ExposureModeHelper>(stages);
+
+ exposureModeHelpers_[exposureModeId] = helper;
+ availableExposureModes.push_back(exposureModeId);
+ }
+
+ controls_[&controls::AeExposureMode] = ControlInfo(availableExposureModes);
+
+ return 0;
+}
+
+/**
+ * \brief Parse tuning data for AeConstraintMode and AeExposureMode controls
+ * \param[in] tuningData the YamlObject representing the tuning data
+ *
+ * This function parses tuning data to build the list of allowed values for the
+ * AeConstraintMode and AeExposureMode controls. Those tuning data must provide
+ * the data in a specific format; the Agc algorithm's tuning data should contain
+ * a dictionary called AeConstraintMode containing per-mode setting dictionaries
+ * with the key being a value from \ref controls::AeConstraintModeNameValueMap.
+ * Each mode dict may contain either a "lower" or "upper" key or both, for
+ * example:
+ *
+ * \code{.unparsed}
+ * algorithms:
+ * - Agc:
+ * AeConstraintMode:
+ * ConstraintNormal:
+ * lower:
+ * qLo: 0.98
+ * qHi: 1.0
+ * yTarget: 0.5
+ * ConstraintHighlight:
+ * lower:
+ * qLo: 0.98
+ * qHi: 1.0
+ * yTarget: 0.5
+ * upper:
+ * qLo: 0.98
+ * qHi: 1.0
+ * yTarget: 0.8
+ *
+ * \endcode
+ *
+ * For the AeExposureMode control the data should contain a dictionary called
+ * AeExposureMode containing per-mode setting dictionaries with the key being a
+ * value from \ref controls::AeExposureModeNameValueMap. Each mode dict should
+ * contain an array of shutter times with the key "shutter" and an array of gain
+ * values with the key "gain", in this format:
+ *
+ * \code{.unparsed}
+ * algorithms:
+ * - Agc:
+ * AeExposureMode:
+ * ExposureNormal:
+ * shutter: [ 100, 10000, 30000, 60000, 120000 ]
+ * gain: [ 2.0, 4.0, 6.0, 8.0, 10.0 ]
+ * ExposureShort:
+ * shutter: [ 100, 10000, 30000, 60000, 120000 ]
+ * gain: [ 2.0, 4.0, 6.0, 8.0, 10.0 ]
+ *
+ * \endcode
+ *
+ * \return 0 on success or a negative error code
+ */
+int AgcMeanLuminance::parseTuningData(const YamlObject &tuningData)
+{
+ int ret;
+
+ parseRelativeLuminanceTarget(tuningData);
+
+ ret = parseConstraintModes(tuningData);
+ if (ret)
+ return ret;
+
+ return parseExposureModes(tuningData);
+}
+
+/**
+ * \brief Set the ExposureModeHelper limits for this class
+ * \param[in] minShutter Minimum shutter time to allow
+ * \param[in] maxShutter Maximum shutter time to allow
+ * \param[in] minGain Minimum gain to allow
+ * \param[in] maxGain Maximum gain to allow
+ *
+ * This function calls \ref ExposureModeHelper::setLimits() for each
+ * ExposureModeHelper that has been created for this class.
+ */
+void AgcMeanLuminance::setLimits(utils::Duration minShutter,
+ utils::Duration maxShutter,
+ double minGain, double maxGain)
+{
+ for (auto &[id, helper] : exposureModeHelpers_)
+ helper->setLimits(minShutter, maxShutter, minGain, maxGain);
+}
+
+/**
+ * \fn AgcMeanLuminance::constraintModes()
+ * \brief Get the constraint modes that have been parsed from tuning data
+ */
+
+/**
+ * \fn AgcMeanLuminance::exposureModeHelpers()
+ * \brief Get the ExposureModeHelpers that have been parsed from tuning data
+ */
+
+/**
+ * \fn AgcMeanLuminance::controls()
+ * \brief Get the controls that have been generated after parsing tuning data
+ */
+
+/**
+ * \fn AgcMeanLuminance::estimateLuminance(const double gain)
+ * \brief Estimate the luminance of an image, adjusted by a given gain
+ * \param[in] gain The gain with which to adjust the luminance estimate
+ *
+ * This function estimates the average relative luminance of the frame that
+ * would be output by the sensor if an additional \a gain was applied. It is a
+ * pure virtual function because estimation of luminance is a hardware-specific
+ * operation, which depends wholly on the format of the stats that are delivered
+ * to libcamera from the ISP. Derived classes must override this function with
+ * one that calculates the normalised mean luminance value across the entire
+ * image.
+ *
+ * \return The normalised relative luminance of the image
+ */
+
+/**
+ * \brief Estimate the initial gain needed to achieve a relative luminance
+ * target
+ * \return The calculated initial gain
+ */
+double AgcMeanLuminance::estimateInitialGain() const
+{
+ double yTarget = relativeLuminanceTarget_;
+ double yGain = 1.0;
+
+ /*
+ * To account for non-linearity caused by saturation, the value needs to
+ * be estimated in an iterative process, as multiplying by a gain will
+ * not increase the relative luminance by the same factor if some image
+ * regions are saturated.
+ */
+ for (unsigned int i = 0; i < 8; i++) {
+ double yValue = estimateLuminance(yGain);
+ double extra_gain = std::min(10.0, yTarget / (yValue + .001));
+
+ yGain *= extra_gain;
+ LOG(AgcMeanLuminance, Debug) << "Y value: " << yValue
+ << ", Y target: " << yTarget
+ << ", gives gain " << yGain;
+
+ if (utils::abs_diff(extra_gain, 1.0) < 0.01)
+ break;
+ }
+
+ return yGain;
+}
+
+/**
+ * \brief Clamp gain within the bounds of a defined constraint
+ * \param[in] constraintModeIndex The index of the constraint to adhere to
+ * \param[in] hist A histogram over which to calculate inter-quantile means
+ * \param[in] gain The gain to clamp
+ *
+ * \return The gain clamped within the constraint bounds
+ */
+double AgcMeanLuminance::constraintClampGain(uint32_t constraintModeIndex,
+ const Histogram &hist,
+ double gain)
+{
+ std::vector<AgcConstraint> &constraints = constraintModes_[constraintModeIndex];
+ for (const AgcConstraint &constraint : constraints) {
+ double newGain = constraint.yTarget * hist.bins() /
+ hist.interQuantileMean(constraint.qLo, constraint.qHi);
+
+ if (constraint.bound == AgcConstraint::Bound::lower &&
+ newGain > gain)
+ gain = newGain;
+
+ if (constraint.bound == AgcConstraint::Bound::upper &&
+ newGain < gain)
+ gain = newGain;
+ }
+
+ return gain;
+}
+
+/**
+ * \brief Apply a filter on the exposure value to limit the speed of changes
+ * \param[in] exposureValue The target exposure from the AGC algorithm
+ *
+ * The speed of the filter is adaptive, and will produce the target quicker
+ * during startup, or when the target exposure is within 20% of the most recent
+ * filter output.
+ *
+ * \return The filtered exposure
+ */
+utils::Duration AgcMeanLuminance::filterExposure(utils::Duration exposureValue)
+{
+ double speed = 0.2;
+
+ /* Adapt instantly if we are in startup phase. */
+ if (frameCount_ < kNumStartupFrames)
+ speed = 1.0;
+
+ /*
+ * If we are close to the desired result, go faster to avoid making
+ * multiple micro-adjustments.
+ * \todo Make this customisable?
+ */
+ if (filteredExposure_ < 1.2 * exposureValue &&
+ filteredExposure_ > 0.8 * exposureValue)
+ speed = sqrt(speed);
+
+ filteredExposure_ = speed * exposureValue +
+ filteredExposure_ * (1.0 - speed);
+
+ return filteredExposure_;
+}
+
+/**
+ * \brief Calculate the new exposure value and splut it between shutter time and gain
+ * \param[in] constraintModeIndex The index of the current constraint mode
+ * \param[in] exposureModeIndex The index of the current exposure mode
+ * \param[in] yHist A Histogram from the ISP statistics to use in constraining
+ * the calculated gain
+ * \param[in] effectiveExposureValue The EV applied to the frame from which the
+ * statistics in use derive
+ *
+ * Calculate a new exposure value to try to obtain the target. The calculated
+ * exposure value is filtered to prevent rapid changes from frame to frame, and
+ * divided into shutter time, analogue and digital gain.
+ *
+ * \return Tuple of shutter time, analogue gain, and digital gain
+ */
+std::tuple<utils::Duration, double, double>
+AgcMeanLuminance::calculateNewEv(uint32_t constraintModeIndex,
+ uint32_t exposureModeIndex,
+ const Histogram &yHist,
+ utils::Duration effectiveExposureValue)
+{
+ /*
+ * The pipeline handler should validate that we have received an allowed
+ * value for AeExposureMode.
+ */
+ std::shared_ptr<ExposureModeHelper> exposureModeHelper =
+ exposureModeHelpers_.at(exposureModeIndex);
+
+ double gain = estimateInitialGain();
+ gain = constraintClampGain(constraintModeIndex, yHist, gain);
+
+ /*
+ * We don't check whether we're already close to the target, because
+ * even if the effective exposure value is the same as the last frame's
+ * we could have switched to an exposure mode that would require a new
+ * pass through the splitExposure() function.
+ */
+
+ utils::Duration newExposureValue = effectiveExposureValue * gain;
+
+ /*
+ * We filter the exposure value to make sure changes are not too jarring
+ * from frame to frame.
+ */
+ newExposureValue = filterExposure(newExposureValue);
+
+ frameCount_++;
+ return exposureModeHelper->splitExposure(newExposureValue);
+}
+
+/**
+ * \fn AgcMeanLuminance::resetFrameCount()
+ * \brief Reset the frame counter
+ *
+ * This function resets the internal frame counter, which exists to help the
+ * algorithm decide whether it should respond instantly or not. The expectation
+ * is for derived classes to call this function before each camera start call in
+ * their configure() function.
+ */
+
+} /* namespace ipa */
+
+} /* namespace libcamera */
diff --git a/src/ipa/libipa/agc_mean_luminance.h b/src/ipa/libipa/agc_mean_luminance.h
new file mode 100644
index 00000000..0a81c6d2
--- /dev/null
+++ b/src/ipa/libipa/agc_mean_luminance.h
@@ -0,0 +1,96 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2024 Ideas on Board Oy
+ *
+ agc_mean_luminance.h - Base class for mean luminance AGC algorithms
+ */
+
+#pragma once
+
+#include <map>
+#include <memory>
+#include <tuple>
+#include <vector>
+
+#include <libcamera/controls.h>
+
+#include "libcamera/internal/yaml_parser.h"
+
+#include "exposure_mode_helper.h"
+#include "histogram.h"
+
+namespace libcamera {
+
+namespace ipa {
+
+class AgcMeanLuminance
+{
+public:
+ AgcMeanLuminance();
+ virtual ~AgcMeanLuminance();
+
+ struct AgcConstraint {
+ enum class Bound {
+ lower = 0,
+ upper = 1
+ };
+ Bound bound;
+ double qLo;
+ double qHi;
+ double yTarget;
+ };
+
+ int parseTuningData(const YamlObject &tuningData);
+
+ void setLimits(utils::Duration minShutter, utils::Duration maxShutter,
+ double minGain, double maxGain);
+
+ std::map<int32_t, std::vector<AgcConstraint>> constraintModes()
+ {
+ return constraintModes_;
+ }
+
+ std::map<int32_t, std::shared_ptr<ExposureModeHelper>> exposureModeHelpers()
+ {
+ return exposureModeHelpers_;
+ }
+
+ ControlInfoMap::Map controls()
+ {
+ return controls_;
+ }
+
+ std::tuple<utils::Duration, double, double>
+ calculateNewEv(uint32_t constraintModeIndex, uint32_t exposureModeIndex,
+ const Histogram &yHist, utils::Duration effectiveExposureValue);
+
+ void resetFrameCount()
+ {
+ frameCount_ = 0;
+ }
+
+private:
+ virtual double estimateLuminance(const double gain) const = 0;
+
+ void parseRelativeLuminanceTarget(const YamlObject &tuningData);
+ void parseConstraint(const YamlObject &modeDict, int32_t id);
+ int parseConstraintModes(const YamlObject &tuningData);
+ int parseExposureModes(const YamlObject &tuningData);
+ double estimateInitialGain() const;
+ double constraintClampGain(uint32_t constraintModeIndex,
+ const Histogram &hist,
+ double gain);
+ utils::Duration filterExposure(utils::Duration exposureValue);
+
+ uint64_t frameCount_;
+ utils::Duration filteredExposure_;
+ double relativeLuminanceTarget_;
+
+ std::map<int32_t, std::vector<AgcConstraint>> constraintModes_;
+ std::map<int32_t, std::shared_ptr<ExposureModeHelper>> exposureModeHelpers_;
+ ControlInfoMap::Map controls_;
+};
+
+} /* namespace ipa */
+
+} /* namespace libcamera */
diff --git a/src/ipa/libipa/algorithm.cpp b/src/ipa/libipa/algorithm.cpp
index 8549fe3f..201efdfd 100644
--- a/src/ipa/libipa/algorithm.cpp
+++ b/src/ipa/libipa/algorithm.cpp
@@ -2,7 +2,7 @@
/*
* Copyright (C) 2021, Ideas On Board
*
- * algorithm.cpp - IPA control algorithm interface
+ * IPA control algorithm interface
*/
#include "algorithm.h"
@@ -67,10 +67,29 @@ namespace ipa {
*/
/**
+ * \fn Algorithm::queueRequest()
+ * \brief Provide control values to the algorithm
+ * \param[in] context The shared IPA context
+ * \param[in] frame The frame number to apply the control values
+ * \param[in] frameContext The current frame's context
+ * \param[in] controls The list of user controls
+ *
+ * This function is called for each request queued to the camera. It provides
+ * the controls stored in the request to the algorithm. The \a frame number
+ * is the Request sequence number and identifies the desired corresponding
+ * frame to target for the controls to take effect.
+ *
+ * Algorithms shall read the applicable controls and store their value for later
+ * use during frame processing.
+ */
+
+/**
* \fn Algorithm::prepare()
* \brief Fill the \a params buffer with ISP processing parameters for a frame
* \param[in] context The shared IPA context
- * \param[out] params The ISP specific parameters.
+ * \param[in] frame The frame context sequence number
+ * \param[in] frameContext The FrameContext for this frame
+ * \param[out] params The ISP specific parameters
*
* This function is called for every frame when the camera is running before it
* is processed by the ISP to prepare the ISP processing parameters for that
@@ -85,13 +104,15 @@ namespace ipa {
* \fn Algorithm::process()
* \brief Process ISP statistics, and run algorithm operations
* \param[in] context The shared IPA context
+ * \param[in] frame The frame context sequence number
* \param[in] frameContext The current frame's context
* \param[in] stats The IPA statistics and ISP results
+ * \param[out] metadata Metadata for the frame, to be filled by the algorithm
*
* This function is called while camera is running for every frame processed by
* the ISP, to process statistics generated from that frame by the ISP.
- * Algorithms shall use this data to run calculations and update their state
- * accordingly.
+ * Algorithms shall use this data to run calculations, update their state
+ * accordingly, and fill the frame metadata.
*
* Processing shall not take an undue amount of time, and any extended or
* computationally expensive calculations or operations must be handled
diff --git a/src/ipa/libipa/algorithm.h b/src/ipa/libipa/algorithm.h
index 2a8871d8..9a19dbd6 100644
--- a/src/ipa/libipa/algorithm.h
+++ b/src/ipa/libipa/algorithm.h
@@ -2,13 +2,16 @@
/*
* Copyright (C) 2021, Ideas On Board
*
- * algorithm.h - ISP control algorithm interface
+ * ISP control algorithm interface
*/
#pragma once
#include <memory>
+#include <stdint.h>
#include <string>
+#include <libcamera/controls.h>
+
namespace libcamera {
class YamlObject;
@@ -35,14 +38,25 @@ public:
return 0;
}
+ virtual void queueRequest([[maybe_unused]] typename Module::Context &context,
+ [[maybe_unused]] const uint32_t frame,
+ [[maybe_unused]] typename Module::FrameContext &frameContext,
+ [[maybe_unused]] const ControlList &controls)
+ {
+ }
+
virtual void prepare([[maybe_unused]] typename Module::Context &context,
+ [[maybe_unused]] const uint32_t frame,
+ [[maybe_unused]] typename Module::FrameContext &frameContext,
[[maybe_unused]] typename Module::Params *params)
{
}
virtual void process([[maybe_unused]] typename Module::Context &context,
- [[maybe_unused]] typename Module::FrameContext *frameContext,
- [[maybe_unused]] const typename Module::Stats *stats)
+ [[maybe_unused]] const uint32_t frame,
+ [[maybe_unused]] typename Module::FrameContext &frameContext,
+ [[maybe_unused]] const typename Module::Stats *stats,
+ [[maybe_unused]] ControlList &metadata)
{
}
};
diff --git a/src/ipa/libipa/camera_sensor_helper.cpp b/src/ipa/libipa/camera_sensor_helper.cpp
index d4dba497..2cd61fcc 100644
--- a/src/ipa/libipa/camera_sensor_helper.cpp
+++ b/src/ipa/libipa/camera_sensor_helper.cpp
@@ -2,7 +2,7 @@
/*
* Copyright (C) 2021, Google Inc.
*
- * camera_sensor_helper.cpp - Helper class that performs sensor-specific
+ * Helper class that performs sensor-specific
* parameter computations
*/
#include "camera_sensor_helper.h"
@@ -43,7 +43,8 @@ namespace ipa {
* \brief Construct a CameraSensorHelper instance
*
* CameraSensorHelper derived class instances shall never be constructed
- * manually but always through the CameraSensorHelperFactory::create() function.
+ * manually but always through the CameraSensorHelperFactoryBase::create()
+ * function.
*/
/**
@@ -217,27 +218,25 @@ double CameraSensorHelper::gain(uint32_t gainCode) const
*/
/**
- * \class CameraSensorHelperFactory
- * \brief Registration of CameraSensorHelperFactory classes and creation of instances
+ * \class CameraSensorHelperFactoryBase
+ * \brief Base class for camera sensor helper factories
*
- * To facilitate discovery and instantiation of CameraSensorHelper classes, the
- * CameraSensorHelperFactory class maintains a registry of camera sensor helper
- * sub-classes. Each CameraSensorHelper subclass shall register itself using the
- * REGISTER_CAMERA_SENSOR_HELPER() macro, which will create a corresponding
- * instance of a CameraSensorHelperFactory subclass and register it with the
- * static list of factories.
+ * The CameraSensorHelperFactoryBase class is the base of all specializations of
+ * the CameraSensorHelperFactory class template. It implements the factory
+ * registration, maintains a registry of factories, and provides access to the
+ * registered factories.
*/
/**
- * \brief Construct a camera sensor helper factory
+ * \brief Construct a camera sensor helper factory base
* \param[in] name Name of the camera sensor helper class
*
- * Creating an instance of the factory registers it with the global list of
+ * Creating an instance of the factory base registers it with the global list of
* factories, accessible through the factories() function.
*
- * The factory \a name is used for debug purpose and shall be unique.
+ * The factory \a name is used to look up factories and shall be unique.
*/
-CameraSensorHelperFactory::CameraSensorHelperFactory(const std::string name)
+CameraSensorHelperFactoryBase::CameraSensorHelperFactoryBase(const std::string name)
: name_(name)
{
registerType(this);
@@ -252,17 +251,16 @@ CameraSensorHelperFactory::CameraSensorHelperFactory(const std::string name)
* corresponding to the named factory or a null pointer if no such factory
* exists
*/
-std::unique_ptr<CameraSensorHelper> CameraSensorHelperFactory::create(const std::string &name)
+std::unique_ptr<CameraSensorHelper> CameraSensorHelperFactoryBase::create(const std::string &name)
{
- std::vector<CameraSensorHelperFactory *> &factories =
- CameraSensorHelperFactory::factories();
+ const std::vector<CameraSensorHelperFactoryBase *> &factories =
+ CameraSensorHelperFactoryBase::factories();
- for (CameraSensorHelperFactory *factory : factories) {
+ for (const CameraSensorHelperFactoryBase *factory : factories) {
if (name != factory->name_)
continue;
- CameraSensorHelper *helper = factory->createInstance();
- return std::unique_ptr<CameraSensorHelper>(helper);
+ return factory->createInstance();
}
return nullptr;
@@ -275,10 +273,10 @@ std::unique_ptr<CameraSensorHelper> CameraSensorHelperFactory::create(const std:
* The caller is responsible to guarantee the uniqueness of the camera sensor
* helper name.
*/
-void CameraSensorHelperFactory::registerType(CameraSensorHelperFactory *factory)
+void CameraSensorHelperFactoryBase::registerType(CameraSensorHelperFactoryBase *factory)
{
- std::vector<CameraSensorHelperFactory *> &factories =
- CameraSensorHelperFactory::factories();
+ std::vector<CameraSensorHelperFactoryBase *> &factories =
+ CameraSensorHelperFactoryBase::factories();
factories.push_back(factory);
}
@@ -287,33 +285,49 @@ void CameraSensorHelperFactory::registerType(CameraSensorHelperFactory *factory)
* \brief Retrieve the list of all camera sensor helper factories
* \return The list of camera sensor helper factories
*/
-std::vector<CameraSensorHelperFactory *> &CameraSensorHelperFactory::factories()
+std::vector<CameraSensorHelperFactoryBase *> &CameraSensorHelperFactoryBase::factories()
{
/*
* The static factories map is defined inside the function to ensure
* it gets initialized on first use, without any dependency on link
* order.
*/
- static std::vector<CameraSensorHelperFactory *> factories;
+ static std::vector<CameraSensorHelperFactoryBase *> factories;
return factories;
}
/**
- * \fn CameraSensorHelperFactory::createInstance()
- * \brief Create an instance of the CameraSensorHelper corresponding to the
- * factory
+ * \class CameraSensorHelperFactory
+ * \brief Registration of CameraSensorHelperFactory classes and creation of instances
+ * \tparam _Helper The camera sensor helper class type for this factory
*
- * This virtual function is implemented by the REGISTER_CAMERA_SENSOR_HELPER()
- * macro. It creates a camera sensor helper instance associated with the camera
- * sensor model.
+ * To facilitate discovery and instantiation of CameraSensorHelper classes, the
+ * CameraSensorHelperFactory class implements auto-registration of camera sensor
+ * helpers. Each CameraSensorHelper subclass shall register itself using the
+ * REGISTER_CAMERA_SENSOR_HELPER() macro, which will create a corresponding
+ * instance of a CameraSensorHelperFactory subclass and register it with the
+ * static list of factories.
+ */
+
+/**
+ * \fn CameraSensorHelperFactory::CameraSensorHelperFactory(const char *name)
+ * \brief Construct a camera sensor helper factory
+ * \param[in] name Name of the camera sensor helper class
*
- * \return A pointer to a newly constructed instance of the CameraSensorHelper
- * subclass corresponding to the factory
+ * Creating an instance of the factory registers it with the global list of
+ * factories, accessible through the CameraSensorHelperFactoryBase::factories()
+ * function.
+ *
+ * The factory \a name is used to look up factories and shall be unique.
*/
/**
- * \var CameraSensorHelperFactory::name_
- * \brief The name of the factory
+ * \fn CameraSensorHelperFactory::createInstance() const
+ * \brief Create an instance of the CameraSensorHelper corresponding to the
+ * factory
+ *
+ * \return A unique pointer to a newly constructed instance of the
+ * CameraSensorHelper subclass corresponding to the factory
*/
/**
@@ -352,6 +366,35 @@ static constexpr double expGainDb(double step)
return log2_10 * step / 20;
}
+class CameraSensorHelperAr0521 : public CameraSensorHelper
+{
+public:
+ uint32_t gainCode(double gain) const override;
+ double gain(uint32_t gainCode) const override;
+
+private:
+ static constexpr double kStep_ = 16;
+};
+
+uint32_t CameraSensorHelperAr0521::gainCode(double gain) const
+{
+ gain = std::clamp(gain, 1.0, 15.5);
+ unsigned int coarse = std::log2(gain);
+ unsigned int fine = (gain / (1 << coarse) - 1) * kStep_;
+
+ return (coarse << 4) | (fine & 0xf);
+}
+
+double CameraSensorHelperAr0521::gain(uint32_t gainCode) const
+{
+ unsigned int coarse = gainCode >> 4;
+ unsigned int fine = gainCode & 0xf;
+
+ return (1 << coarse) * (1 + fine / kStep_);
+}
+
+REGISTER_CAMERA_SENSOR_HELPER("ar0521", CameraSensorHelperAr0521)
+
class CameraSensorHelperImx219 : public CameraSensorHelper
{
public:
@@ -374,6 +417,17 @@ public:
};
REGISTER_CAMERA_SENSOR_HELPER("imx258", CameraSensorHelperImx258)
+class CameraSensorHelperImx283 : public CameraSensorHelper
+{
+public:
+ CameraSensorHelperImx283()
+ {
+ gainType_ = AnalogueGainLinear;
+ gainConstants_.linear = { 0, 2048, -1, 2048 };
+ }
+};
+REGISTER_CAMERA_SENSOR_HELPER("imx283", CameraSensorHelperImx283)
+
class CameraSensorHelperImx290 : public CameraSensorHelper
{
public:
@@ -396,6 +450,33 @@ public:
};
REGISTER_CAMERA_SENSOR_HELPER("imx296", CameraSensorHelperImx296)
+class CameraSensorHelperImx327 : public CameraSensorHelperImx290
+{
+};
+REGISTER_CAMERA_SENSOR_HELPER("imx327", CameraSensorHelperImx327)
+
+class CameraSensorHelperImx335 : public CameraSensorHelper
+{
+public:
+ CameraSensorHelperImx335()
+ {
+ gainType_ = AnalogueGainExponential;
+ gainConstants_.exp = { 1.0, expGainDb(0.3) };
+ }
+};
+REGISTER_CAMERA_SENSOR_HELPER("imx335", CameraSensorHelperImx335)
+
+class CameraSensorHelperImx415 : public CameraSensorHelper
+{
+public:
+ CameraSensorHelperImx415()
+ {
+ gainType_ = AnalogueGainExponential;
+ gainConstants_.exp = { 1.0, expGainDb(0.3) };
+ }
+};
+REGISTER_CAMERA_SENSOR_HELPER("imx415", CameraSensorHelperImx415)
+
class CameraSensorHelperImx477 : public CameraSensorHelper
{
public:
@@ -407,6 +488,21 @@ public:
};
REGISTER_CAMERA_SENSOR_HELPER("imx477", CameraSensorHelperImx477)
+class CameraSensorHelperOv2685 : public CameraSensorHelper
+{
+public:
+ CameraSensorHelperOv2685()
+ {
+ /*
+ * The Sensor Manual doesn't appear to document the gain model.
+ * This has been validated with some empirical testing only.
+ */
+ gainType_ = AnalogueGainLinear;
+ gainConstants_.linear = { 1, 0, 0, 128 };
+ }
+};
+REGISTER_CAMERA_SENSOR_HELPER("ov2685", CameraSensorHelperOv2685)
+
class CameraSensorHelperOv2740 : public CameraSensorHelper
{
public:
@@ -418,6 +514,17 @@ public:
};
REGISTER_CAMERA_SENSOR_HELPER("ov2740", CameraSensorHelperOv2740)
+class CameraSensorHelperOv4689 : public CameraSensorHelper
+{
+public:
+ CameraSensorHelperOv4689()
+ {
+ gainType_ = AnalogueGainLinear;
+ gainConstants_.linear = { 1, 0, 0, 128 };
+ }
+};
+REGISTER_CAMERA_SENSOR_HELPER("ov4689", CameraSensorHelperOv4689)
+
class CameraSensorHelperOv5640 : public CameraSensorHelper
{
public:
@@ -429,6 +536,17 @@ public:
};
REGISTER_CAMERA_SENSOR_HELPER("ov5640", CameraSensorHelperOv5640)
+class CameraSensorHelperOv5647 : public CameraSensorHelper
+{
+public:
+ CameraSensorHelperOv5647()
+ {
+ gainType_ = AnalogueGainLinear;
+ gainConstants_.linear = { 1, 0, 0, 16 };
+ }
+};
+REGISTER_CAMERA_SENSOR_HELPER("ov5647", CameraSensorHelperOv5647)
+
class CameraSensorHelperOv5670 : public CameraSensorHelper
{
public:
@@ -462,6 +580,35 @@ public:
};
REGISTER_CAMERA_SENSOR_HELPER("ov5693", CameraSensorHelperOv5693)
+class CameraSensorHelperOv64a40 : public CameraSensorHelper
+{
+public:
+ CameraSensorHelperOv64a40()
+ {
+ gainType_ = AnalogueGainLinear;
+ gainConstants_.linear = { 1, 0, 0, 128 };
+ }
+};
+REGISTER_CAMERA_SENSOR_HELPER("ov64a40", CameraSensorHelperOv64a40)
+
+class CameraSensorHelperOv8858 : public CameraSensorHelper
+{
+public:
+ CameraSensorHelperOv8858()
+ {
+ gainType_ = AnalogueGainLinear;
+
+ /*
+ * \todo Validate the selected 1/128 step value as it differs
+ * from what the sensor manual describes.
+ *
+ * See: https://patchwork.linuxtv.org/project/linux-media/patch/20221106171129.166892-2-nicholas@rothemail.net/#142267
+ */
+ gainConstants_.linear = { 1, 0, 0, 128 };
+ }
+};
+REGISTER_CAMERA_SENSOR_HELPER("ov8858", CameraSensorHelperOv8858)
+
class CameraSensorHelperOv8865 : public CameraSensorHelper
{
public:
diff --git a/src/ipa/libipa/camera_sensor_helper.h b/src/ipa/libipa/camera_sensor_helper.h
index 7351fc7c..0d99073b 100644
--- a/src/ipa/libipa/camera_sensor_helper.h
+++ b/src/ipa/libipa/camera_sensor_helper.h
@@ -2,7 +2,7 @@
/*
* Copyright (C) 2021, Google Inc.
*
- * camera_sensor_helper.h - Helper class that performs sensor-specific parameter computations
+ * Helper class that performs sensor-specific parameter computations
*/
#pragma once
@@ -58,39 +58,44 @@ private:
LIBCAMERA_DISABLE_COPY_AND_MOVE(CameraSensorHelper)
};
-class CameraSensorHelperFactory
+class CameraSensorHelperFactoryBase
{
public:
- CameraSensorHelperFactory(const std::string name);
- virtual ~CameraSensorHelperFactory() = default;
+ CameraSensorHelperFactoryBase(const std::string name);
+ virtual ~CameraSensorHelperFactoryBase() = default;
static std::unique_ptr<CameraSensorHelper> create(const std::string &name);
- static void registerType(CameraSensorHelperFactory *factory);
- static std::vector<CameraSensorHelperFactory *> &factories();
-
-protected:
- virtual CameraSensorHelper *createInstance() = 0;
+ static std::vector<CameraSensorHelperFactoryBase *> &factories();
private:
- LIBCAMERA_DISABLE_COPY_AND_MOVE(CameraSensorHelperFactory)
+ LIBCAMERA_DISABLE_COPY_AND_MOVE(CameraSensorHelperFactoryBase)
+
+ static void registerType(CameraSensorHelperFactoryBase *factory);
+
+ virtual std::unique_ptr<CameraSensorHelper> createInstance() const = 0;
std::string name_;
};
-#define REGISTER_CAMERA_SENSOR_HELPER(name, helper) \
-class helper##Factory final : public CameraSensorHelperFactory \
-{ \
-public: \
- helper##Factory() : CameraSensorHelperFactory(name) {} \
- \
-private: \
- CameraSensorHelper *createInstance() \
- { \
- return new helper(); \
- } \
-}; \
-static helper##Factory global_##helper##Factory;
+template<typename _Helper>
+class CameraSensorHelperFactory final : public CameraSensorHelperFactoryBase
+{
+public:
+ CameraSensorHelperFactory(const char *name)
+ : CameraSensorHelperFactoryBase(name)
+ {
+ }
+
+private:
+ std::unique_ptr<CameraSensorHelper> createInstance() const override
+ {
+ return std::make_unique<_Helper>();
+ }
+};
+
+#define REGISTER_CAMERA_SENSOR_HELPER(name, helper) \
+static CameraSensorHelperFactory<helper> global_##helper##Factory(name);
} /* namespace ipa */
diff --git a/src/ipa/libipa/exposure_mode_helper.cpp b/src/ipa/libipa/exposure_mode_helper.cpp
new file mode 100644
index 00000000..683a564a
--- /dev/null
+++ b/src/ipa/libipa/exposure_mode_helper.cpp
@@ -0,0 +1,246 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2024, Paul Elder <paul.elder@ideasonboard.com>
+ *
+ * Helper class that performs computations relating to exposure
+ */
+#include "exposure_mode_helper.h"
+
+#include <algorithm>
+
+#include <libcamera/base/log.h>
+
+/**
+ * \file exposure_mode_helper.h
+ * \brief Helper class that performs computations relating to exposure
+ *
+ * AEGC algorithms have a need to split exposure between shutter time, analogue
+ * and digital gain. Multiple implementations do so based on paired stages of
+ * shutter time and gain limits; provide a helper to avoid duplicating the code.
+ */
+
+namespace libcamera {
+
+using namespace std::literals::chrono_literals;
+
+LOG_DEFINE_CATEGORY(ExposureModeHelper)
+
+namespace ipa {
+
+/**
+ * \class ExposureModeHelper
+ * \brief Class for splitting exposure into shutter time and total gain
+ *
+ * The ExposureModeHelper class provides a standard interface through which an
+ * AEGC algorithm can divide exposure between shutter time and gain. It is
+ * configured with a set of shutter time and gain pairs and works by initially
+ * fixing gain at 1.0 and increasing shutter time up to the shutter time value
+ * from the first pair in the set in an attempt to meet the required exposure
+ * value.
+ *
+ * If the required exposure is not achievable by the first shutter time value
+ * alone it ramps gain up to the value from the first pair in the set. If the
+ * required exposure is still not met it then allows shutter time to ramp up to
+ * the shutter time value from the second pair in the set, and continues in this
+ * vein until either the required exposure time is met, or else the hardware's
+ * shutter time or gain limits are reached.
+ *
+ * This method allows users to strike a balance between a well-exposed image and
+ * an acceptable frame-rate, as opposed to simply maximising shutter time
+ * followed by gain. The same helpers can be used to perform the latter
+ * operation if needed by passing an empty set of pairs to the initialisation
+ * function.
+ *
+ * The gain values may exceed a camera sensor's analogue gain limits if either
+ * it or the IPA is also capable of digital gain. The configure() function must
+ * be called with the hardware's limits to inform the helper of those
+ * constraints. Any gain that is needed will be applied as analogue gain first
+ * until the hardware's limit is reached, following which digital gain will be
+ * used.
+ */
+
+/**
+ * \brief Construct an ExposureModeHelper instance
+ * \param[in] stages The vector of paired shutter time and gain limits
+ *
+ * The input stages are shutter time and _total_ gain pairs; the gain
+ * encompasses both analogue and digital gain.
+ *
+ * The vector of stages may be empty. In that case, the helper will simply use
+ * the runtime limits set through setShutterGainLimits() instead.
+ */
+ExposureModeHelper::ExposureModeHelper(const Span<std::pair<utils::Duration, double>> stages)
+{
+ minShutter_ = 0us;
+ maxShutter_ = 0us;
+ minGain_ = 0;
+ maxGain_ = 0;
+
+ for (const auto &[s, g] : stages) {
+ shutters_.push_back(s);
+ gains_.push_back(g);
+ }
+}
+
+/**
+ * \brief Set the shutter time and gain limits
+ * \param[in] minShutter The minimum shutter time supported
+ * \param[in] maxShutter The maximum shutter time supported
+ * \param[in] minGain The minimum analogue gain supported
+ * \param[in] maxGain The maximum analogue gain supported
+ *
+ * This function configures the shutter time and analogue gain limits that need
+ * to be adhered to as the helper divides up exposure. Note that this function
+ * *must* be called whenever those limits change and before splitExposure() is
+ * used.
+ *
+ * If the algorithm using the helpers needs to indicate that either shutter time
+ * or analogue gain or both should be fixed it can do so by setting both the
+ * minima and maxima to the same value.
+ */
+void ExposureModeHelper::setLimits(utils::Duration minShutter,
+ utils::Duration maxShutter,
+ double minGain, double maxGain)
+{
+ minShutter_ = minShutter;
+ maxShutter_ = maxShutter;
+ minGain_ = minGain;
+ maxGain_ = maxGain;
+}
+
+utils::Duration ExposureModeHelper::clampShutter(utils::Duration shutter) const
+{
+ return std::clamp(shutter, minShutter_, maxShutter_);
+}
+
+double ExposureModeHelper::clampGain(double gain) const
+{
+ return std::clamp(gain, minGain_, maxGain_);
+}
+
+/**
+ * \brief Split exposure time into shutter time and gain
+ * \param[in] exposure Exposure time
+ *
+ * This function divides a given exposure time into shutter time, analogue and
+ * digital gain by iterating through stages of shutter time and gain limits. At
+ * each stage the current stage's shutter time limit is multiplied by the
+ * previous stage's gain limit (or 1.0 initially) to see if the combination of
+ * the two can meet the required exposure time. If they cannot then the current
+ * stage's shutter time limit is multiplied by the same stage's gain limit to
+ * see if that combination can meet the required exposure time. If they cannot
+ * then the function moves to consider the next stage.
+ *
+ * When a combination of shutter time and gain _stage_ limits are found that are
+ * sufficient to meet the required exposure time, the function attempts to
+ * reduce shutter time as much as possible whilst fixing gain and still meeting
+ * the exposure time. If a _runtime_ limit prevents shutter time from being
+ * lowered enough to meet the exposure time with gain fixed at the stage limit,
+ * gain is also lowered to compensate.
+ *
+ * Once the shutter time and gain values are ascertained, gain is assigned as
+ * analogue gain as much as possible, with digital gain only in use if the
+ * maximum analogue gain runtime limit is unable to accommodate the exposure
+ * value.
+ *
+ * If no combination of shutter time and gain limits is found that meets the
+ * required exposure time, the helper falls-back to simply maximising the
+ * shutter time first, followed by analogue gain, followed by digital gain.
+ *
+ * \return Tuple of shutter time, analogue gain, and digital gain
+ */
+std::tuple<utils::Duration, double, double>
+ExposureModeHelper::splitExposure(utils::Duration exposure) const
+{
+ ASSERT(maxShutter_);
+ ASSERT(maxGain_);
+
+ bool gainFixed = minGain_ == maxGain_;
+ bool shutterFixed = minShutter_ == maxShutter_;
+
+ /*
+ * There's no point entering the loop if we cannot change either gain
+ * nor shutter anyway.
+ */
+ if (shutterFixed && gainFixed)
+ return { minShutter_, minGain_, exposure / (minShutter_ * minGain_) };
+
+ utils::Duration shutter;
+ double stageGain;
+ double gain;
+
+ for (unsigned int stage = 0; stage < gains_.size(); stage++) {
+ double lastStageGain = stage == 0 ? 1.0 : clampGain(gains_[stage - 1]);
+ utils::Duration stageShutter = clampShutter(shutters_[stage]);
+ stageGain = clampGain(gains_[stage]);
+
+ /*
+ * We perform the clamping on both shutter and gain in case the
+ * helper has had limits set that prevent those values being
+ * lowered beyond a certain minimum...this can happen at runtime
+ * for various reasons and so would not be known when the stage
+ * limits are initialised.
+ */
+
+ if (stageShutter * lastStageGain >= exposure) {
+ shutter = clampShutter(exposure / clampGain(lastStageGain));
+ gain = clampGain(exposure / shutter);
+
+ return { shutter, gain, exposure / (shutter * gain) };
+ }
+
+ if (stageShutter * stageGain >= exposure) {
+ shutter = clampShutter(exposure / clampGain(stageGain));
+ gain = clampGain(exposure / shutter);
+
+ return { shutter, gain, exposure / (shutter * gain) };
+ }
+ }
+
+ /*
+ * From here on all we can do is max out the shutter time, followed by
+ * the analogue gain. If we still haven't achieved the target we send
+ * the rest of the exposure time to digital gain. If we were given no
+ * stages to use then set stageGain to 1.0 so that shutter time is maxed
+ * before gain touched at all.
+ */
+ if (gains_.empty())
+ stageGain = 1.0;
+
+ shutter = clampShutter(exposure / clampGain(stageGain));
+ gain = clampGain(exposure / shutter);
+
+ return { shutter, gain, exposure / (shutter * gain) };
+}
+
+/**
+ * \fn ExposureModeHelper::minShutter()
+ * \brief Retrieve the configured minimum shutter time limit set through
+ * setShutterGainLimits()
+ * \return The minShutter_ value
+ */
+
+/**
+ * \fn ExposureModeHelper::maxShutter()
+ * \brief Retrieve the configured maximum shutter time set through
+ * setShutterGainLimits()
+ * \return The maxShutter_ value
+ */
+
+/**
+ * \fn ExposureModeHelper::minGain()
+ * \brief Retrieve the configured minimum gain set through
+ * setShutterGainLimits()
+ * \return The minGain_ value
+ */
+
+/**
+ * \fn ExposureModeHelper::maxGain()
+ * \brief Retrieve the configured maximum gain set through
+ * setShutterGainLimits()
+ * \return The maxGain_ value
+ */
+
+} /* namespace ipa */
+
+} /* namespace libcamera */
diff --git a/src/ipa/libipa/exposure_mode_helper.h b/src/ipa/libipa/exposure_mode_helper.h
new file mode 100644
index 00000000..85c665d7
--- /dev/null
+++ b/src/ipa/libipa/exposure_mode_helper.h
@@ -0,0 +1,53 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2024, Paul Elder <paul.elder@ideasonboard.com>
+ *
+ * Helper class that performs computations relating to exposure
+ */
+
+#pragma once
+
+#include <tuple>
+#include <utility>
+#include <vector>
+
+#include <libcamera/base/span.h>
+#include <libcamera/base/utils.h>
+
+namespace libcamera {
+
+namespace ipa {
+
+class ExposureModeHelper
+{
+public:
+ ExposureModeHelper(const Span<std::pair<utils::Duration, double>> stages);
+ ~ExposureModeHelper() = default;
+
+ void setLimits(utils::Duration minShutter, utils::Duration maxShutter,
+ double minGain, double maxGain);
+
+ std::tuple<utils::Duration, double, double>
+ splitExposure(utils::Duration exposure) const;
+
+ utils::Duration minShutter() const { return minShutter_; }
+ utils::Duration maxShutter() const { return maxShutter_; }
+ double minGain() const { return minGain_; }
+ double maxGain() const { return maxGain_; }
+
+private:
+ utils::Duration clampShutter(utils::Duration shutter) const;
+ double clampGain(double gain) const;
+
+ std::vector<utils::Duration> shutters_;
+ std::vector<double> gains_;
+
+ utils::Duration minShutter_;
+ utils::Duration maxShutter_;
+ double minGain_;
+ double maxGain_;
+};
+
+} /* namespace ipa */
+
+} /* namespace libcamera */
diff --git a/src/ipa/libipa/fc_queue.cpp b/src/ipa/libipa/fc_queue.cpp
new file mode 100644
index 00000000..0365e919
--- /dev/null
+++ b/src/ipa/libipa/fc_queue.cpp
@@ -0,0 +1,140 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2022, Google Inc.
+ *
+ * IPA Frame context queue
+ */
+
+#include "fc_queue.h"
+
+#include <libcamera/base/log.h>
+
+namespace libcamera {
+
+LOG_DEFINE_CATEGORY(FCQueue)
+
+namespace ipa {
+
+/**
+ * \file fc_queue.h
+ * \brief Queue of per-frame contexts
+ */
+
+/**
+ * \struct FrameContext
+ * \brief Context for a frame
+ *
+ * The frame context stores data specific to a single frame processed by the
+ * IPA module. Each frame processed by the IPA module has a context associated
+ * with it, accessible through the Frame Context Queue.
+ *
+ * Fields in the frame context should reflect values and controls associated
+ * with the specific frame as requested by the application, and as configured by
+ * the hardware. Fields can be read by algorithms to determine if they should
+ * update any specific action for this frame, and finally to update the metadata
+ * control lists when the frame is fully completed.
+ *
+ * \var FrameContext::frame
+ * \brief The frame number
+ */
+
+/**
+ * \class FCQueue
+ * \brief A support class for managing FrameContext instances in IPA modules
+ * \tparam FrameContext The IPA module-specific FrameContext derived class type
+ *
+ * Along with the Module and Algorithm classes, the frame context queue is a
+ * core component of the libipa infrastructure. It stores per-frame contexts
+ * used by the Algorithm operations. By centralizing the lifetime management of
+ * the contexts and implementing safeguards against underflows and overflows, it
+ * simplifies IPA modules and improves their reliability.
+ *
+ * The queue references frame contexts by a monotonically increasing sequence
+ * number. The FCQueue design assumes that this number matches both the sequence
+ * number of the corresponding frame, as generated by the camera sensor, and the
+ * sequence number of the request. This allows IPA modules to obtain the frame
+ * context from any location where a request or a frame is available.
+ *
+ * A frame context normally begins its lifetime when the corresponding request
+ * is queued, way before the frame is captured by the camera sensor. IPA modules
+ * allocate the context from the queue at that point, calling alloc() using the
+ * request number. The queue initializes the context, and the IPA module then
+ * populates it with data from the request. The context can be later retrieved
+ * with a call to get(), typically when the IPA module is requested to provide
+ * sensor or ISP parameters or receives statistics for a frame. The frame number
+ * is used at that point to identify the context.
+ *
+ * If an application fails to queue requests to the camera fast enough, frames
+ * may be produced by the camera sensor and processed by the IPA module without
+ * a corresponding request having been queued to the IPA module. This creates an
+ * underrun condition, where the IPA module will try to get a frame context that
+ * hasn't been allocated. In this case, the get() function will allocate and
+ * initialize a context for the frame, and log a message. Algorithms will not
+ * apply the controls associated with the late request, but should otherwise
+ * behave correctly.
+ *
+ * \todo Mark the frame context with a per-frame control error flag in case of
+ * underrun, and research how algorithms should handle this.
+ *
+ * At its core, the queue uses a circular buffer to avoid dynamic memory
+ * allocation at runtime. The buffer is pre-allocated with a maximum number of
+ * entries when the FCQueue instance is constructed. Entries are initialized on
+ * first use by alloc() or, in underrun conditions, get(). The queue is not
+ * allowed to overflow, which must be ensured by pipeline handlers never
+ * queuing more in-flight requests to the IPA module than the queue size. If an
+ * overflow condition is detected, the queue will log a fatal error.
+ *
+ * IPA module-specific frame context implementations shall inherit from the
+ * FrameContext base class to support the minimum required features for a
+ * FrameContext.
+ */
+
+/**
+ * \fn FCQueue::FCQueue(unsigned int size)
+ * \brief Construct a frame contexts queue of a specified size
+ * \param[in] size The number of contexts in the queue
+ */
+
+/**
+ * \fn FCQueue::clear()
+ * \brief Clear the contexts queue
+ *
+ * IPA modules must clear the frame context queue at the beginning of a new
+ * streaming session, in IPAModule::start().
+ *
+ * \todo Fix any issue this may cause with requests queued before the camera is
+ * started.
+ */
+
+/**
+ * \fn FCQueue::alloc(uint32_t frame)
+ * \brief Allocate and return a FrameContext for the \a frame
+ * \param[in] frame The frame context sequence number
+ *
+ * The first call to obtain a FrameContext from the FCQueue should be handled
+ * through this function. The FrameContext will be initialised, if not
+ * initialised already, and returned to the caller.
+ *
+ * If the FrameContext was already initialized for this \a frame, a warning will
+ * be reported and the previously initialized FrameContext is returned.
+ *
+ * Frame contexts are expected to be initialised when a Request is first passed
+ * to the IPA module in IPAModule::queueRequest().
+ *
+ * \return A reference to the FrameContext for sequence \a frame
+ */
+
+/**
+ * \fn FCQueue::get(uint32_t frame)
+ * \brief Obtain the FrameContext for the \a frame
+ * \param[in] frame The frame context sequence number
+ *
+ * If the FrameContext is not correctly initialised for the \a frame, it will be
+ * initialised.
+ *
+ * \return A reference to the FrameContext for sequence \a frame
+ */
+
+} /* namespace ipa */
+
+} /* namespace libcamera */
diff --git a/src/ipa/libipa/fc_queue.h b/src/ipa/libipa/fc_queue.h
new file mode 100644
index 00000000..24d9e82b
--- /dev/null
+++ b/src/ipa/libipa/fc_queue.h
@@ -0,0 +1,118 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2022, Google Inc.
+ *
+ * IPA Frame context queue
+ */
+
+#pragma once
+
+#include <stdint.h>
+#include <vector>
+
+#include <libcamera/base/log.h>
+
+namespace libcamera {
+
+LOG_DECLARE_CATEGORY(FCQueue)
+
+namespace ipa {
+
+template<typename FrameContext>
+class FCQueue;
+
+struct FrameContext {
+private:
+ template<typename T> friend class FCQueue;
+ uint32_t frame;
+};
+
+template<typename FrameContext>
+class FCQueue
+{
+public:
+ FCQueue(unsigned int size)
+ : contexts_(size)
+ {
+ }
+
+ void clear()
+ {
+ for (FrameContext &ctx : contexts_)
+ ctx.frame = 0;
+ }
+
+ FrameContext &alloc(const uint32_t frame)
+ {
+ FrameContext &frameContext = contexts_[frame % contexts_.size()];
+
+ /*
+ * Do not re-initialise if a get() call has already fetched this
+ * frame context to preseve the context.
+ *
+ * \todo If the the sequence number of the context to initialise
+ * is smaller than the sequence number of the queue slot to use,
+ * it means that we had a serious request underrun and more
+ * frames than the queue size has been produced since the last
+ * time the application has queued a request. Does this deserve
+ * an error condition ?
+ */
+ if (frame != 0 && frame <= frameContext.frame)
+ LOG(FCQueue, Warning)
+ << "Frame " << frame << " already initialised";
+ else
+ init(frameContext, frame);
+
+ return frameContext;
+ }
+
+ FrameContext &get(uint32_t frame)
+ {
+ FrameContext &frameContext = contexts_[frame % contexts_.size()];
+
+ /*
+ * If the IPA algorithms try to access a frame context slot which
+ * has been already overwritten by a newer context, it means the
+ * frame context queue has overflowed and the desired context
+ * has been forever lost. The pipeline handler shall avoid
+ * queueing more requests to the IPA than the frame context
+ * queue size.
+ */
+ if (frame < frameContext.frame)
+ LOG(FCQueue, Fatal) << "Frame context for " << frame
+ << " has been overwritten by "
+ << frameContext.frame;
+
+ if (frame == frameContext.frame)
+ return frameContext;
+
+ /*
+ * The frame context has been retrieved before it was
+ * initialised through the initialise() call. This indicates an
+ * algorithm attempted to access a Frame context before it was
+ * queued to the IPA. Controls applied for this request may be
+ * left unhandled.
+ *
+ * \todo Set an error flag for per-frame control errors.
+ */
+ LOG(FCQueue, Warning)
+ << "Obtained an uninitialised FrameContext for " << frame;
+
+ init(frameContext, frame);
+
+ return frameContext;
+ }
+
+private:
+ void init(FrameContext &frameContext, const uint32_t frame)
+ {
+ frameContext = {};
+ frameContext.frame = frame;
+ }
+
+ std::vector<FrameContext> contexts_;
+};
+
+} /* namespace ipa */
+
+} /* namespace libcamera */
diff --git a/src/ipa/libipa/histogram.cpp b/src/ipa/libipa/histogram.cpp
index d8ad1c89..5fbfadf5 100644
--- a/src/ipa/libipa/histogram.cpp
+++ b/src/ipa/libipa/histogram.cpp
@@ -1,8 +1,8 @@
/* SPDX-License-Identifier: BSD-2-Clause */
/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
+ * Copyright (C) 2019, Raspberry Pi Ltd
*
- * histogram.cpp - histogram calculations
+ * histogram calculations
*/
#include "histogram.h"
@@ -29,18 +29,34 @@ namespace ipa {
*/
/**
+ * \fn Histogram::Histogram()
+ * \brief Construct an empty Histogram
+ *
+ * This empty constructor exists largely to allow Histograms to be embedded in
+ * other classes which may be created before the contents of the Histogram are
+ * known.
+ */
+
+/**
* \brief Create a cumulative histogram
- * \param[in] data A pre-sorted histogram to be passed
+ * \param[in] data A (non-cumulative) histogram
*/
Histogram::Histogram(Span<const uint32_t> data)
{
- cumulative_.reserve(data.size());
- cumulative_.push_back(0);
- for (const uint32_t &value : data)
- cumulative_.push_back(cumulative_.back() + value);
+ cumulative_.resize(data.size() + 1);
+ cumulative_[0] = 0;
+ for (const auto &[i, value] : utils::enumerate(data))
+ cumulative_[i + 1] = cumulative_[i] + value;
}
/**
+ * \fn Histogram::Histogram(Span<const uint32_t> data, Transform transform)
+ * \brief Create a cumulative histogram
+ * \param[in] data A (non-cumulative) histogram
+ * \param[in] transform The transformation function to apply to every bin
+ */
+
+/**
* \fn Histogram::bins()
* \brief Retrieve the number of bins currently used by the Histogram
* \return Number of bins
@@ -53,7 +69,7 @@ Histogram::Histogram(Span<const uint32_t> data)
*/
/**
- * \brief Cumulative frequency up to a (fractional) point in a bin.
+ * \brief Cumulative frequency up to a (fractional) point in a bin
* \param[in] bin The bin up to which to cumulate
*
* With F(p) the cumulative frequency of the histogram, the value is 0 at
diff --git a/src/ipa/libipa/histogram.h b/src/ipa/libipa/histogram.h
index 164d4603..032adca0 100644
--- a/src/ipa/libipa/histogram.h
+++ b/src/ipa/libipa/histogram.h
@@ -1,8 +1,8 @@
/* SPDX-License-Identifier: BSD-2-Clause */
/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
+ * Copyright (C) 2019, Raspberry Pi Ltd
*
- * histogram.h - histogram calculation interface
+ * histogram calculation interface
*/
#pragma once
@@ -10,10 +10,11 @@
#include <assert.h>
#include <limits.h>
#include <stdint.h>
-
+#include <type_traits>
#include <vector>
#include <libcamera/base/span.h>
+#include <libcamera/base/utils.h>
namespace libcamera {
@@ -22,7 +23,19 @@ namespace ipa {
class Histogram
{
public:
+ Histogram() { cumulative_.push_back(0); }
Histogram(Span<const uint32_t> data);
+
+ template<typename Transform,
+ std::enable_if_t<std::is_invocable_v<Transform, uint32_t>> * = nullptr>
+ Histogram(Span<const uint32_t> data, Transform transform)
+ {
+ cumulative_.resize(data.size() + 1);
+ cumulative_[0] = 0;
+ for (const auto &[i, value] : utils::enumerate(data))
+ cumulative_[i + 1] = cumulative_[i] + transform(value);
+ }
+
size_t bins() const { return cumulative_.size() - 1; }
uint64_t total() const { return cumulative_[cumulative_.size() - 1]; }
uint64_t cumulativeFrequency(double bin) const;
diff --git a/src/ipa/libipa/meson.build b/src/ipa/libipa/meson.build
index fb894bc6..7ce885da 100644
--- a/src/ipa/libipa/meson.build
+++ b/src/ipa/libipa/meson.build
@@ -1,15 +1,21 @@
# SPDX-License-Identifier: CC0-1.0
libipa_headers = files([
+ 'agc_mean_luminance.h',
'algorithm.h',
'camera_sensor_helper.h',
+ 'exposure_mode_helper.h',
+ 'fc_queue.h',
'histogram.h',
'module.h',
])
libipa_sources = files([
+ 'agc_mean_luminance.cpp',
'algorithm.cpp',
'camera_sensor_helper.cpp',
+ 'exposure_mode_helper.cpp',
+ 'fc_queue.cpp',
'histogram.cpp',
'module.cpp',
])
diff --git a/src/ipa/libipa/module.cpp b/src/ipa/libipa/module.cpp
index 77352104..64ca9141 100644
--- a/src/ipa/libipa/module.cpp
+++ b/src/ipa/libipa/module.cpp
@@ -2,7 +2,7 @@
/*
* Copyright (C) 2022, Ideas On Board
*
- * module.cpp - IPA Module
+ * IPA Module
*/
#include "module.h"
@@ -17,7 +17,7 @@ namespace libcamera {
LOG_DEFINE_CATEGORY(IPAModuleAlgo)
/**
- * \brief The IPA namespace
+ * \brief The IPA (Image Processing Algorithm) namespace
*
* The IPA namespace groups all types specific to IPA modules. It serves as the
* top-level namespace for the IPA library libipa, and also contains
diff --git a/src/ipa/libipa/module.h b/src/ipa/libipa/module.h
index 4149a353..0fb51916 100644
--- a/src/ipa/libipa/module.h
+++ b/src/ipa/libipa/module.h
@@ -2,7 +2,7 @@
/*
* Copyright (C) 2022, Ideas On Board
*
- * module.h - IPA module
+ * IPA module
*/
#pragma once
diff --git a/src/ipa/meson.build b/src/ipa/meson.build
index e15a8a06..0ad4631d 100644
--- a/src/ipa/meson.build
+++ b/src/ipa/meson.build
@@ -28,14 +28,45 @@ ipa_names = []
ipa_modules = get_option('ipas')
-# The ipa-sign-install.sh script which uses the ipa_names variable will itself
-# prepend MESON_INSTALL_DESTDIR_PREFIX to each ipa module name, therefore we
-# must not include the prefix string here.
+# Tests require the vimc IPA, similar to vimc pipline-handler for their
+# execution. Include it automatically when tests are enabled.
+if get_option('test') and 'vimc' not in ipa_modules
+ message('Enabling vimc IPA to support tests')
+ ipa_modules += ['vimc']
+endif
+
+enabled_ipa_modules = []
+enabled_ipa_names = []
+ipa_names = []
+
+subdirs = []
foreach pipeline : pipelines
- if ipa_modules.contains(pipeline)
- subdir(pipeline)
- ipa_names += ipa_install_dir / ipa_name + '.so'
+ # The current implementation expects the IPA module name to match the
+ # pipeline name.
+ # \todo Make the IPA naming scheme more flexible.
+ if not ipa_modules.contains(pipeline)
+ continue
+ endif
+ enabled_ipa_names += pipeline
+
+ # Allow multi-level directory structuring for the IPAs if needed.
+ pipeline = pipeline.split('/')[0]
+ if pipeline in subdirs
+ continue
endif
+
+ subdirs += pipeline
+ subdir(pipeline)
+
+ # Don't reuse the pipeline variable below, the subdirectory may have
+ # overwritten it.
+endforeach
+
+# The ipa-sign-install.sh script which uses the enabled_ipa_modules variable
+# will itself prepend MESON_INSTALL_DESTDIR_PREFIX to each ipa module name,
+# therefore we must not include the prefix string here.
+foreach ipa_name : ipa_names
+ enabled_ipa_modules += ipa_install_dir / ipa_name + '.so'
endforeach
if ipa_sign_module
@@ -44,5 +75,6 @@ if ipa_sign_module
# install time, which invalidates the signatures.
meson.add_install_script('ipa-sign-install.sh',
ipa_priv_key.full_path(),
- ipa_names)
+ enabled_ipa_modules,
+ install_tag : 'runtime')
endif
diff --git a/src/ipa/raspberrypi/cam_helper.cpp b/src/ipa/raspberrypi/cam_helper.cpp
deleted file mode 100644
index 3f81d418..00000000
--- a/src/ipa/raspberrypi/cam_helper.cpp
+++ /dev/null
@@ -1,219 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * cam_helper.cpp - helper information for different sensors
- */
-
-#include <linux/videodev2.h>
-
-#include <assert.h>
-#include <map>
-#include <string.h>
-
-#include "libcamera/internal/v4l2_videodevice.h"
-
-#include "cam_helper.hpp"
-#include "md_parser.hpp"
-
-using namespace RPiController;
-using namespace libcamera;
-using libcamera::utils::Duration;
-
-namespace libcamera {
-LOG_DECLARE_CATEGORY(IPARPI)
-}
-
-static std::map<std::string, CamHelperCreateFunc> cam_helpers;
-
-CamHelper *CamHelper::Create(std::string const &cam_name)
-{
- /*
- * CamHelpers get registered by static RegisterCamHelper
- * initialisers.
- */
- for (auto &p : cam_helpers) {
- if (cam_name.find(p.first) != std::string::npos)
- return p.second();
- }
-
- return nullptr;
-}
-
-CamHelper::CamHelper(std::unique_ptr<MdParser> parser, unsigned int frameIntegrationDiff)
- : parser_(std::move(parser)), initialized_(false),
- frameIntegrationDiff_(frameIntegrationDiff)
-{
-}
-
-CamHelper::~CamHelper()
-{
-}
-
-void CamHelper::Prepare(Span<const uint8_t> buffer,
- Metadata &metadata)
-{
- parseEmbeddedData(buffer, metadata);
-}
-
-void CamHelper::Process([[maybe_unused]] StatisticsPtr &stats,
- [[maybe_unused]] Metadata &metadata)
-{
-}
-
-uint32_t CamHelper::ExposureLines(const Duration exposure) const
-{
- assert(initialized_);
- return exposure / mode_.line_length;
-}
-
-Duration CamHelper::Exposure(uint32_t exposure_lines) const
-{
- assert(initialized_);
- return exposure_lines * mode_.line_length;
-}
-
-uint32_t CamHelper::GetVBlanking(Duration &exposure,
- Duration minFrameDuration,
- Duration maxFrameDuration) const
-{
- uint32_t frameLengthMin, frameLengthMax, vblank;
- uint32_t exposureLines = ExposureLines(exposure);
-
- assert(initialized_);
-
- /*
- * minFrameDuration and maxFrameDuration are clamped by the caller
- * based on the limits for the active sensor mode.
- */
- frameLengthMin = minFrameDuration / mode_.line_length;
- frameLengthMax = maxFrameDuration / mode_.line_length;
-
- /*
- * Limit the exposure to the maximum frame duration requested, and
- * re-calculate if it has been clipped.
- */
- exposureLines = std::min(frameLengthMax - frameIntegrationDiff_, exposureLines);
- exposure = Exposure(exposureLines);
-
- /* Limit the vblank to the range allowed by the frame length limits. */
- vblank = std::clamp(exposureLines + frameIntegrationDiff_,
- frameLengthMin, frameLengthMax) - mode_.height;
- return vblank;
-}
-
-void CamHelper::SetCameraMode(const CameraMode &mode)
-{
- mode_ = mode;
- if (parser_) {
- parser_->SetBitsPerPixel(mode.bitdepth);
- parser_->SetLineLengthBytes(0); /* We use SetBufferSize. */
- }
- initialized_ = true;
-}
-
-void CamHelper::GetDelays(int &exposure_delay, int &gain_delay,
- int &vblank_delay) const
-{
- /*
- * These values are correct for many sensors. Other sensors will
- * need to over-ride this function.
- */
- exposure_delay = 2;
- gain_delay = 1;
- vblank_delay = 2;
-}
-
-bool CamHelper::SensorEmbeddedDataPresent() const
-{
- return false;
-}
-
-double CamHelper::GetModeSensitivity([[maybe_unused]] const CameraMode &mode) const
-{
- /*
- * Most sensors have the same sensitivity in every mode, but this
- * function can be overridden for those that do not. Note that it is
- * called before mode_ is set, so it must return the sensitivity
- * of the mode that is passed in.
- */
- return 1.0;
-}
-
-unsigned int CamHelper::HideFramesStartup() const
-{
- /*
- * The number of frames when a camera first starts that shouldn't be
- * displayed as they are invalid in some way.
- */
- return 0;
-}
-
-unsigned int CamHelper::HideFramesModeSwitch() const
-{
- /* After a mode switch, many sensors return valid frames immediately. */
- return 0;
-}
-
-unsigned int CamHelper::MistrustFramesStartup() const
-{
- /* Many sensors return a single bad frame on start-up. */
- return 1;
-}
-
-unsigned int CamHelper::MistrustFramesModeSwitch() const
-{
- /* Many sensors return valid metadata immediately. */
- return 0;
-}
-
-void CamHelper::parseEmbeddedData(Span<const uint8_t> buffer,
- Metadata &metadata)
-{
- MdParser::RegisterMap registers;
- Metadata parsedMetadata;
-
- if (buffer.empty())
- return;
-
- if (parser_->Parse(buffer, registers) != MdParser::Status::OK) {
- LOG(IPARPI, Error) << "Embedded data buffer parsing failed";
- return;
- }
-
- PopulateMetadata(registers, parsedMetadata);
- metadata.Merge(parsedMetadata);
-
- /*
- * Overwrite the exposure/gain, frame length and sensor temperature values
- * in the existing DeviceStatus with values from the parsed embedded buffer.
- * Fetch it first in case any other fields were set meaningfully.
- */
- DeviceStatus deviceStatus, parsedDeviceStatus;
- if (metadata.Get("device.status", deviceStatus) ||
- parsedMetadata.Get("device.status", parsedDeviceStatus)) {
- LOG(IPARPI, Error) << "DeviceStatus not found";
- return;
- }
-
- deviceStatus.shutter_speed = parsedDeviceStatus.shutter_speed;
- deviceStatus.analogue_gain = parsedDeviceStatus.analogue_gain;
- deviceStatus.frame_length = parsedDeviceStatus.frame_length;
- if (parsedDeviceStatus.sensor_temperature)
- deviceStatus.sensor_temperature = parsedDeviceStatus.sensor_temperature;
-
- LOG(IPARPI, Debug) << "Metadata updated - " << deviceStatus;
-
- metadata.Set("device.status", deviceStatus);
-}
-
-void CamHelper::PopulateMetadata([[maybe_unused]] const MdParser::RegisterMap &registers,
- [[maybe_unused]] Metadata &metadata) const
-{
-}
-
-RegisterCamHelper::RegisterCamHelper(char const *cam_name,
- CamHelperCreateFunc create_func)
-{
- cam_helpers[std::string(cam_name)] = create_func;
-}
diff --git a/src/ipa/raspberrypi/cam_helper.hpp b/src/ipa/raspberrypi/cam_helper.hpp
deleted file mode 100644
index 300f8f8a..00000000
--- a/src/ipa/raspberrypi/cam_helper.hpp
+++ /dev/null
@@ -1,123 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * cam_helper.hpp - helper class providing camera information
- */
-#pragma once
-
-#include <memory>
-#include <string>
-
-#include <libcamera/base/span.h>
-#include <libcamera/base/utils.h>
-
-#include "camera_mode.h"
-#include "controller/controller.hpp"
-#include "controller/metadata.hpp"
-#include "md_parser.hpp"
-
-#include "libcamera/internal/v4l2_videodevice.h"
-
-namespace RPiController {
-
-// The CamHelper class provides a number of facilities that anyone trying
-// to drive a camera will need to know, but which are not provided by the
-// standard driver framework. Specifically, it provides:
-//
-// A "CameraMode" structure to describe extra information about the chosen
-// mode of the driver. For example, how it is cropped from the full sensor
-// area, how it is scaled, whether pixels are averaged compared to the full
-// resolution.
-//
-// The ability to convert between number of lines of exposure and actual
-// exposure time, and to convert between the sensor's gain codes and actual
-// gains.
-//
-// A function to return the number of frames of delay between updating exposure,
-// analogue gain and vblanking, and for the changes to take effect. For many
-// sensors these take the values 2, 1 and 2 respectively, but sensors that are
-// different will need to over-ride the default function provided.
-//
-// A function to query if the sensor outputs embedded data that can be parsed.
-//
-// A function to return the sensitivity of a given camera mode.
-//
-// A parser to parse the embedded data buffers provided by some sensors (for
-// example, the imx219 does; the ov5647 doesn't). This allows us to know for
-// sure the exposure and gain of the frame we're looking at. CamHelper
-// provides functions for converting analogue gains to and from the sensor's
-// native gain codes.
-//
-// Finally, a set of functions that determine how to handle the vagaries of
-// different camera modules on start-up or when switching modes. Some
-// modules may produce one or more frames that are not yet correctly exposed,
-// or where the metadata may be suspect. We have the following functions:
-// HideFramesStartup(): Tell the pipeline handler not to return this many
-// frames at start-up. This can also be used to hide initial frames
-// while the AGC and other algorithms are sorting themselves out.
-// HideFramesModeSwitch(): Tell the pipeline handler not to return this
-// many frames after a mode switch (other than start-up). Some sensors
-// may produce innvalid frames after a mode switch; others may not.
-// MistrustFramesStartup(): At start-up a sensor may return frames for
-// which we should not run any control algorithms (for example, metadata
-// may be invalid).
-// MistrustFramesModeSwitch(): The number of frames, after a mode switch
-// (other than start-up), for which control algorithms should not run
-// (for example, metadata may be unreliable).
-
-class CamHelper
-{
-public:
- static CamHelper *Create(std::string const &cam_name);
- CamHelper(std::unique_ptr<MdParser> parser, unsigned int frameIntegrationDiff);
- virtual ~CamHelper();
- void SetCameraMode(const CameraMode &mode);
- virtual void Prepare(libcamera::Span<const uint8_t> buffer,
- Metadata &metadata);
- virtual void Process(StatisticsPtr &stats, Metadata &metadata);
- virtual uint32_t ExposureLines(libcamera::utils::Duration exposure) const;
- virtual libcamera::utils::Duration Exposure(uint32_t exposure_lines) const;
- virtual uint32_t GetVBlanking(libcamera::utils::Duration &exposure,
- libcamera::utils::Duration minFrameDuration,
- libcamera::utils::Duration maxFrameDuration) const;
- virtual uint32_t GainCode(double gain) const = 0;
- virtual double Gain(uint32_t gain_code) const = 0;
- virtual void GetDelays(int &exposure_delay, int &gain_delay,
- int &vblank_delay) const;
- virtual bool SensorEmbeddedDataPresent() const;
- virtual double GetModeSensitivity(const CameraMode &mode) const;
- virtual unsigned int HideFramesStartup() const;
- virtual unsigned int HideFramesModeSwitch() const;
- virtual unsigned int MistrustFramesStartup() const;
- virtual unsigned int MistrustFramesModeSwitch() const;
-
-protected:
- void parseEmbeddedData(libcamera::Span<const uint8_t> buffer,
- Metadata &metadata);
- virtual void PopulateMetadata(const MdParser::RegisterMap &registers,
- Metadata &metadata) const;
-
- std::unique_ptr<MdParser> parser_;
- CameraMode mode_;
-
-private:
- bool initialized_;
- /*
- * Smallest difference between the frame length and integration time,
- * in units of lines.
- */
- unsigned int frameIntegrationDiff_;
-};
-
-// This is for registering camera helpers with the system, so that the
-// CamHelper::Create function picks them up automatically.
-
-typedef CamHelper *(*CamHelperCreateFunc)();
-struct RegisterCamHelper
-{
- RegisterCamHelper(char const *cam_name,
- CamHelperCreateFunc create_func);
-};
-
-} // namespace RPi
diff --git a/src/ipa/raspberrypi/cam_helper_imx290.cpp b/src/ipa/raspberrypi/cam_helper_imx290.cpp
deleted file mode 100644
index 871c1f8e..00000000
--- a/src/ipa/raspberrypi/cam_helper_imx290.cpp
+++ /dev/null
@@ -1,67 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2021, Raspberry Pi (Trading) Limited
- *
- * cam_helper_imx290.cpp - camera helper for imx290 sensor
- */
-
-#include <math.h>
-
-#include "cam_helper.hpp"
-
-using namespace RPiController;
-
-class CamHelperImx290 : public CamHelper
-{
-public:
- CamHelperImx290();
- uint32_t GainCode(double gain) const override;
- double Gain(uint32_t gain_code) const override;
- void GetDelays(int &exposure_delay, int &gain_delay,
- int &vblank_delay) const override;
- unsigned int HideFramesModeSwitch() const override;
-
-private:
- /*
- * Smallest difference between the frame length and integration time,
- * in units of lines.
- */
- static constexpr int frameIntegrationDiff = 2;
-};
-
-CamHelperImx290::CamHelperImx290()
- : CamHelper({}, frameIntegrationDiff)
-{
-}
-
-uint32_t CamHelperImx290::GainCode(double gain) const
-{
- int code = 66.6667 * log10(gain);
- return std::max(0, std::min(code, 0xf0));
-}
-
-double CamHelperImx290::Gain(uint32_t gain_code) const
-{
- return pow(10, 0.015 * gain_code);
-}
-
-void CamHelperImx290::GetDelays(int &exposure_delay, int &gain_delay,
- int &vblank_delay) const
-{
- exposure_delay = 2;
- gain_delay = 2;
- vblank_delay = 2;
-}
-
-unsigned int CamHelperImx290::HideFramesModeSwitch() const
-{
- /* After a mode switch, we seem to get 1 bad frame. */
- return 1;
-}
-
-static CamHelper *Create()
-{
- return new CamHelperImx290();
-}
-
-static RegisterCamHelper reg("imx290", &Create);
diff --git a/src/ipa/raspberrypi/cam_helper_imx296.cpp b/src/ipa/raspberrypi/cam_helper_imx296.cpp
deleted file mode 100644
index a1a771cb..00000000
--- a/src/ipa/raspberrypi/cam_helper_imx296.cpp
+++ /dev/null
@@ -1,69 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2020, Raspberry Pi (Trading) Limited
- *
- * cam_helper_imx296.cpp - Camera helper for IMX296 sensor
- */
-
-#include <algorithm>
-#include <cmath>
-#include <stddef.h>
-
-#include "cam_helper.hpp"
-
-using namespace RPiController;
-using libcamera::utils::Duration;
-using namespace std::literals::chrono_literals;
-
-class CamHelperImx296 : public CamHelper
-{
-public:
- CamHelperImx296();
- uint32_t GainCode(double gain) const override;
- double Gain(uint32_t gain_code) const override;
- uint32_t ExposureLines(Duration exposure) const override;
- Duration Exposure(uint32_t exposure_lines) const override;
-
-private:
- static constexpr uint32_t maxGainCode = 239;
- static constexpr Duration timePerLine = 550.0 / 37.125e6 * 1.0s;
-
- /*
- * Smallest difference between the frame length and integration time,
- * in units of lines.
- */
- static constexpr int frameIntegrationDiff = 4;
-};
-
-CamHelperImx296::CamHelperImx296()
- : CamHelper(nullptr, frameIntegrationDiff)
-{
-}
-
-uint32_t CamHelperImx296::GainCode(double gain) const
-{
- uint32_t code = 20 * std::log10(gain) * 10;
- return std::min(code, maxGainCode);
-}
-
-double CamHelperImx296::Gain(uint32_t gain_code) const
-{
- return std::pow(10.0, gain_code / 200.0);
-}
-
-uint32_t CamHelperImx296::ExposureLines(Duration exposure) const
-{
- return (exposure - 14.26us) / timePerLine;
-}
-
-Duration CamHelperImx296::Exposure(uint32_t exposure_lines) const
-{
- return exposure_lines * timePerLine + 14.26us;
-}
-
-static CamHelper *Create()
-{
- return new CamHelperImx296();
-}
-
-static RegisterCamHelper reg("imx296", &Create);
diff --git a/src/ipa/raspberrypi/cam_helper_ov9281.cpp b/src/ipa/raspberrypi/cam_helper_ov9281.cpp
deleted file mode 100644
index 9de868c3..00000000
--- a/src/ipa/raspberrypi/cam_helper_ov9281.cpp
+++ /dev/null
@@ -1,65 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2021, Raspberry Pi (Trading) Limited
- *
- * cam_helper_ov9281.cpp - camera information for ov9281 sensor
- */
-
-#include <assert.h>
-
-#include "cam_helper.hpp"
-
-using namespace RPiController;
-
-class CamHelperOv9281 : public CamHelper
-{
-public:
- CamHelperOv9281();
- uint32_t GainCode(double gain) const override;
- double Gain(uint32_t gain_code) const override;
- void GetDelays(int &exposure_delay, int &gain_delay,
- int &vblank_delay) const override;
-
-private:
- /*
- * Smallest difference between the frame length and integration time,
- * in units of lines.
- */
- static constexpr int frameIntegrationDiff = 4;
-};
-
-/*
- * OV9281 doesn't output metadata, so we have to use the "unicam parser" which
- * works by counting frames.
- */
-
-CamHelperOv9281::CamHelperOv9281()
- : CamHelper({}, frameIntegrationDiff)
-{
-}
-
-uint32_t CamHelperOv9281::GainCode(double gain) const
-{
- return static_cast<uint32_t>(gain * 16.0);
-}
-
-double CamHelperOv9281::Gain(uint32_t gain_code) const
-{
- return static_cast<double>(gain_code) / 16.0;
-}
-
-void CamHelperOv9281::GetDelays(int &exposure_delay, int &gain_delay,
- int &vblank_delay) const
-{
- /* The driver appears to behave as follows: */
- exposure_delay = 2;
- gain_delay = 2;
- vblank_delay = 2;
-}
-
-static CamHelper *Create()
-{
- return new CamHelperOv9281();
-}
-
-static RegisterCamHelper reg("ov9281", &Create);
diff --git a/src/ipa/raspberrypi/controller/agc_algorithm.hpp b/src/ipa/raspberrypi/controller/agc_algorithm.hpp
deleted file mode 100644
index 61595ea2..00000000
--- a/src/ipa/raspberrypi/controller/agc_algorithm.hpp
+++ /dev/null
@@ -1,32 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * agc_algorithm.hpp - AGC/AEC control algorithm interface
- */
-#pragma once
-
-#include <libcamera/base/utils.h>
-
-#include "algorithm.hpp"
-
-namespace RPiController {
-
-class AgcAlgorithm : public Algorithm
-{
-public:
- AgcAlgorithm(Controller *controller) : Algorithm(controller) {}
- // An AGC algorithm must provide the following:
- virtual unsigned int GetConvergenceFrames() const = 0;
- virtual void SetEv(double ev) = 0;
- virtual void SetFlickerPeriod(libcamera::utils::Duration flicker_period) = 0;
- virtual void SetFixedShutter(libcamera::utils::Duration fixed_shutter) = 0;
- virtual void SetMaxShutter(libcamera::utils::Duration max_shutter) = 0;
- virtual void SetFixedAnalogueGain(double fixed_analogue_gain) = 0;
- virtual void SetMeteringMode(std::string const &metering_mode_name) = 0;
- virtual void SetExposureMode(std::string const &exposure_mode_name) = 0;
- virtual void
- SetConstraintMode(std::string const &contraint_mode_name) = 0;
-};
-
-} // namespace RPiController
diff --git a/src/ipa/raspberrypi/controller/agc_status.h b/src/ipa/raspberrypi/controller/agc_status.h
deleted file mode 100644
index 20cb1b62..00000000
--- a/src/ipa/raspberrypi/controller/agc_status.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * agc_status.h - AGC/AEC control algorithm status
- */
-#pragma once
-
-#include <libcamera/base/utils.h>
-
-// The AGC algorithm should post the following structure into the image's
-// "agc.status" metadata.
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-// Note: total_exposure_value will be reported as zero until the algorithm has
-// seen statistics and calculated meaningful values. The contents should be
-// ignored until then.
-
-struct AgcStatus {
- libcamera::utils::Duration total_exposure_value; // value for all exposure and gain for this image
- libcamera::utils::Duration target_exposure_value; // (unfiltered) target total exposure AGC is aiming for
- libcamera::utils::Duration shutter_time;
- double analogue_gain;
- char exposure_mode[32];
- char constraint_mode[32];
- char metering_mode[32];
- double ev;
- libcamera::utils::Duration flicker_period;
- int floating_region_enable;
- libcamera::utils::Duration fixed_shutter;
- double fixed_analogue_gain;
- double digital_gain;
- int locked;
-};
-
-#ifdef __cplusplus
-}
-#endif
diff --git a/src/ipa/raspberrypi/controller/algorithm.cpp b/src/ipa/raspberrypi/controller/algorithm.cpp
deleted file mode 100644
index 43ad0a2b..00000000
--- a/src/ipa/raspberrypi/controller/algorithm.cpp
+++ /dev/null
@@ -1,44 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * algorithm.cpp - ISP control algorithms
- */
-
-#include "algorithm.hpp"
-
-using namespace RPiController;
-
-void Algorithm::Read([[maybe_unused]] boost::property_tree::ptree const &params)
-{
-}
-
-void Algorithm::Initialise() {}
-
-void Algorithm::SwitchMode([[maybe_unused]] CameraMode const &camera_mode,
- [[maybe_unused]] Metadata *metadata)
-{
-}
-
-void Algorithm::Prepare([[maybe_unused]] Metadata *image_metadata)
-{
-}
-
-void Algorithm::Process([[maybe_unused]] StatisticsPtr &stats,
- [[maybe_unused]] Metadata *image_metadata)
-{
-}
-
-// For registering algorithms with the system:
-
-static std::map<std::string, AlgoCreateFunc> algorithms;
-std::map<std::string, AlgoCreateFunc> const &RPiController::GetAlgorithms()
-{
- return algorithms;
-}
-
-RegisterAlgorithm::RegisterAlgorithm(char const *name,
- AlgoCreateFunc create_func)
-{
- algorithms[std::string(name)] = create_func;
-}
diff --git a/src/ipa/raspberrypi/controller/algorithm.hpp b/src/ipa/raspberrypi/controller/algorithm.hpp
deleted file mode 100644
index 5123c87b..00000000
--- a/src/ipa/raspberrypi/controller/algorithm.hpp
+++ /dev/null
@@ -1,60 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * algorithm.hpp - ISP control algorithm interface
- */
-#pragma once
-
-// All algorithms should be derived from this class and made available to the
-// Controller.
-
-#include <string>
-#include <memory>
-#include <map>
-
-#include "controller.hpp"
-
-#include <boost/property_tree/ptree.hpp>
-
-namespace RPiController {
-
-// This defines the basic interface for all control algorithms.
-
-class Algorithm
-{
-public:
- Algorithm(Controller *controller)
- : controller_(controller), paused_(false)
- {
- }
- virtual ~Algorithm() = default;
- virtual char const *Name() const = 0;
- virtual bool IsPaused() const { return paused_; }
- virtual void Pause() { paused_ = true; }
- virtual void Resume() { paused_ = false; }
- virtual void Read(boost::property_tree::ptree const &params);
- virtual void Initialise();
- virtual void SwitchMode(CameraMode const &camera_mode, Metadata *metadata);
- virtual void Prepare(Metadata *image_metadata);
- virtual void Process(StatisticsPtr &stats, Metadata *image_metadata);
- Metadata &GetGlobalMetadata() const
- {
- return controller_->GetGlobalMetadata();
- }
-
-private:
- Controller *controller_;
- bool paused_;
-};
-
-// This code is for automatic registration of Front End algorithms with the
-// system.
-
-typedef Algorithm *(*AlgoCreateFunc)(Controller *controller);
-struct RegisterAlgorithm {
- RegisterAlgorithm(char const *name, AlgoCreateFunc create_func);
-};
-std::map<std::string, AlgoCreateFunc> const &GetAlgorithms();
-
-} // namespace RPiController
diff --git a/src/ipa/raspberrypi/controller/alsc_status.h b/src/ipa/raspberrypi/controller/alsc_status.h
deleted file mode 100644
index d3f57971..00000000
--- a/src/ipa/raspberrypi/controller/alsc_status.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * alsc_status.h - ALSC (auto lens shading correction) control algorithm status
- */
-#pragma once
-
-// The ALSC algorithm should post the following structure into the image's
-// "alsc.status" metadata.
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#define ALSC_CELLS_X 16
-#define ALSC_CELLS_Y 12
-
-struct AlscStatus {
- double r[ALSC_CELLS_Y][ALSC_CELLS_X];
- double g[ALSC_CELLS_Y][ALSC_CELLS_X];
- double b[ALSC_CELLS_Y][ALSC_CELLS_X];
-};
-
-#ifdef __cplusplus
-}
-#endif
diff --git a/src/ipa/raspberrypi/controller/awb_algorithm.hpp b/src/ipa/raspberrypi/controller/awb_algorithm.hpp
deleted file mode 100644
index 96f88afc..00000000
--- a/src/ipa/raspberrypi/controller/awb_algorithm.hpp
+++ /dev/null
@@ -1,23 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * awb_algorithm.hpp - AWB control algorithm interface
- */
-#pragma once
-
-#include "algorithm.hpp"
-
-namespace RPiController {
-
-class AwbAlgorithm : public Algorithm
-{
-public:
- AwbAlgorithm(Controller *controller) : Algorithm(controller) {}
- // An AWB algorithm must provide the following:
- virtual unsigned int GetConvergenceFrames() const = 0;
- virtual void SetMode(std::string const &mode_name) = 0;
- virtual void SetManualGains(double manual_r, double manual_b) = 0;
-};
-
-} // namespace RPiController
diff --git a/src/ipa/raspberrypi/controller/awb_status.h b/src/ipa/raspberrypi/controller/awb_status.h
deleted file mode 100644
index 46d7c842..00000000
--- a/src/ipa/raspberrypi/controller/awb_status.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * awb_status.h - AWB control algorithm status
- */
-#pragma once
-
-// The AWB algorithm places its results into both the image and global metadata,
-// under the tag "awb.status".
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-struct AwbStatus {
- char mode[32];
- double temperature_K;
- double gain_r;
- double gain_g;
- double gain_b;
-};
-
-#ifdef __cplusplus
-}
-#endif
diff --git a/src/ipa/raspberrypi/controller/black_level_status.h b/src/ipa/raspberrypi/controller/black_level_status.h
deleted file mode 100644
index d085f64b..00000000
--- a/src/ipa/raspberrypi/controller/black_level_status.h
+++ /dev/null
@@ -1,23 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * black_level_status.h - black level control algorithm status
- */
-#pragma once
-
-// The "black level" algorithm stores the black levels to use.
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-struct BlackLevelStatus {
- uint16_t black_level_r; // out of 16 bits
- uint16_t black_level_g;
- uint16_t black_level_b;
-};
-
-#ifdef __cplusplus
-}
-#endif
diff --git a/src/ipa/raspberrypi/controller/camera_mode.h b/src/ipa/raspberrypi/controller/camera_mode.h
deleted file mode 100644
index e2b82828..00000000
--- a/src/ipa/raspberrypi/controller/camera_mode.h
+++ /dev/null
@@ -1,50 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019-2020, Raspberry Pi (Trading) Limited
- *
- * camera_mode.h - description of a particular operating mode of a sensor
- */
-#pragma once
-
-#include <libcamera/transform.h>
-
-#include <libcamera/base/utils.h>
-
-// Description of a "camera mode", holding enough information for control
-// algorithms to adapt their behaviour to the different modes of the camera,
-// including binning, scaling, cropping etc.
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#define CAMERA_MODE_NAME_LEN 32
-
-struct CameraMode {
- // bit depth of the raw camera output
- uint32_t bitdepth;
- // size in pixels of frames in this mode
- uint16_t width, height;
- // size of full resolution uncropped frame ("sensor frame")
- uint16_t sensor_width, sensor_height;
- // binning factor (1 = no binning, 2 = 2-pixel binning etc.)
- uint8_t bin_x, bin_y;
- // location of top left pixel in the sensor frame
- uint16_t crop_x, crop_y;
- // scaling factor (so if uncropped, width*scale_x is sensor_width)
- double scale_x, scale_y;
- // scaling of the noise compared to the native sensor mode
- double noise_factor;
- // line time
- libcamera::utils::Duration line_length;
- // any camera transform *not* reflected already in the camera tuning
- libcamera::Transform transform;
- // minimum and maximum fame lengths in units of lines
- uint32_t min_frame_length, max_frame_length;
- // sensitivity of this mode
- double sensitivity;
-};
-
-#ifdef __cplusplus
-}
-#endif
diff --git a/src/ipa/raspberrypi/controller/ccm_algorithm.hpp b/src/ipa/raspberrypi/controller/ccm_algorithm.hpp
deleted file mode 100644
index 33d0e30d..00000000
--- a/src/ipa/raspberrypi/controller/ccm_algorithm.hpp
+++ /dev/null
@@ -1,21 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * ccm_algorithm.hpp - CCM (colour correction matrix) control algorithm interface
- */
-#pragma once
-
-#include "algorithm.hpp"
-
-namespace RPiController {
-
-class CcmAlgorithm : public Algorithm
-{
-public:
- CcmAlgorithm(Controller *controller) : Algorithm(controller) {}
- // A CCM algorithm must provide the following:
- virtual void SetSaturation(double saturation) = 0;
-};
-
-} // namespace RPiController
diff --git a/src/ipa/raspberrypi/controller/ccm_status.h b/src/ipa/raspberrypi/controller/ccm_status.h
deleted file mode 100644
index 7e41dd1f..00000000
--- a/src/ipa/raspberrypi/controller/ccm_status.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * ccm_status.h - CCM (colour correction matrix) control algorithm status
- */
-#pragma once
-
-// The "ccm" algorithm generates an appropriate colour matrix.
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-struct CcmStatus {
- double matrix[9];
- double saturation;
-};
-
-#ifdef __cplusplus
-}
-#endif
diff --git a/src/ipa/raspberrypi/controller/contrast_algorithm.hpp b/src/ipa/raspberrypi/controller/contrast_algorithm.hpp
deleted file mode 100644
index 7f03bba5..00000000
--- a/src/ipa/raspberrypi/controller/contrast_algorithm.hpp
+++ /dev/null
@@ -1,22 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * contrast_algorithm.hpp - contrast (gamma) control algorithm interface
- */
-#pragma once
-
-#include "algorithm.hpp"
-
-namespace RPiController {
-
-class ContrastAlgorithm : public Algorithm
-{
-public:
- ContrastAlgorithm(Controller *controller) : Algorithm(controller) {}
- // A contrast algorithm must provide the following:
- virtual void SetBrightness(double brightness) = 0;
- virtual void SetContrast(double contrast) = 0;
-};
-
-} // namespace RPiController
diff --git a/src/ipa/raspberrypi/controller/contrast_status.h b/src/ipa/raspberrypi/controller/contrast_status.h
deleted file mode 100644
index d7edd4e9..00000000
--- a/src/ipa/raspberrypi/controller/contrast_status.h
+++ /dev/null
@@ -1,31 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * contrast_status.h - contrast (gamma) control algorithm status
- */
-#pragma once
-
-// The "contrast" algorithm creates a gamma curve, optionally doing a little bit
-// of contrast stretching based on the AGC histogram.
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#define CONTRAST_NUM_POINTS 33
-
-struct ContrastPoint {
- uint16_t x;
- uint16_t y;
-};
-
-struct ContrastStatus {
- struct ContrastPoint points[CONTRAST_NUM_POINTS];
- double brightness;
- double contrast;
-};
-
-#ifdef __cplusplus
-}
-#endif
diff --git a/src/ipa/raspberrypi/controller/controller.cpp b/src/ipa/raspberrypi/controller/controller.cpp
deleted file mode 100644
index d3433ad2..00000000
--- a/src/ipa/raspberrypi/controller/controller.cpp
+++ /dev/null
@@ -1,104 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * controller.cpp - ISP controller
- */
-
-#include <libcamera/base/log.h>
-
-#include "algorithm.hpp"
-#include "controller.hpp"
-
-#include <boost/property_tree/json_parser.hpp>
-#include <boost/property_tree/ptree.hpp>
-
-using namespace RPiController;
-using namespace libcamera;
-
-LOG_DEFINE_CATEGORY(RPiController)
-
-Controller::Controller()
- : switch_mode_called_(false) {}
-
-Controller::Controller(char const *json_filename)
- : switch_mode_called_(false)
-{
- Read(json_filename);
- Initialise();
-}
-
-Controller::~Controller() {}
-
-void Controller::Read(char const *filename)
-{
- boost::property_tree::ptree root;
- boost::property_tree::read_json(filename, root);
- for (auto const &key_and_value : root) {
- Algorithm *algo = CreateAlgorithm(key_and_value.first.c_str());
- if (algo) {
- algo->Read(key_and_value.second);
- algorithms_.push_back(AlgorithmPtr(algo));
- } else
- LOG(RPiController, Warning)
- << "No algorithm found for \"" << key_and_value.first << "\"";
- }
-}
-
-Algorithm *Controller::CreateAlgorithm(char const *name)
-{
- auto it = GetAlgorithms().find(std::string(name));
- return it != GetAlgorithms().end() ? (*it->second)(this) : nullptr;
-}
-
-void Controller::Initialise()
-{
- for (auto &algo : algorithms_)
- algo->Initialise();
-}
-
-void Controller::SwitchMode(CameraMode const &camera_mode, Metadata *metadata)
-{
- for (auto &algo : algorithms_)
- algo->SwitchMode(camera_mode, metadata);
- switch_mode_called_ = true;
-}
-
-void Controller::Prepare(Metadata *image_metadata)
-{
- assert(switch_mode_called_);
- for (auto &algo : algorithms_)
- if (!algo->IsPaused())
- algo->Prepare(image_metadata);
-}
-
-void Controller::Process(StatisticsPtr stats, Metadata *image_metadata)
-{
- assert(switch_mode_called_);
- for (auto &algo : algorithms_)
- if (!algo->IsPaused())
- algo->Process(stats, image_metadata);
-}
-
-Metadata &Controller::GetGlobalMetadata()
-{
- return global_metadata_;
-}
-
-Algorithm *Controller::GetAlgorithm(std::string const &name) const
-{
- // The passed name must be the entire algorithm name, or must match the
- // last part of it with a period (.) just before.
- size_t name_len = name.length();
- for (auto &algo : algorithms_) {
- char const *algo_name = algo->Name();
- size_t algo_name_len = strlen(algo_name);
- if (algo_name_len >= name_len &&
- strcasecmp(name.c_str(),
- algo_name + algo_name_len - name_len) == 0 &&
- (name_len == algo_name_len ||
- algo_name[algo_name_len - name_len - 1] == '.'))
- return algo.get();
- }
- return nullptr;
-}
diff --git a/src/ipa/raspberrypi/controller/controller.hpp b/src/ipa/raspberrypi/controller/controller.hpp
deleted file mode 100644
index 3b50ae77..00000000
--- a/src/ipa/raspberrypi/controller/controller.hpp
+++ /dev/null
@@ -1,54 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * controller.hpp - ISP controller interface
- */
-#pragma once
-
-// The Controller is simply a container for a collecting together a number of
-// "control algorithms" (such as AWB etc.) and for running them all in a
-// convenient manner.
-
-#include <vector>
-#include <string>
-
-#include <linux/bcm2835-isp.h>
-
-#include "camera_mode.h"
-#include "device_status.h"
-#include "metadata.hpp"
-
-namespace RPiController {
-
-class Algorithm;
-typedef std::unique_ptr<Algorithm> AlgorithmPtr;
-typedef std::shared_ptr<bcm2835_isp_stats> StatisticsPtr;
-
-// The Controller holds a pointer to some global_metadata, which is how
-// different controllers and control algorithms within them can exchange
-// information. The Prepare function returns a pointer to metadata for this
-// specific image, and which should be passed on to the Process function.
-
-class Controller
-{
-public:
- Controller();
- Controller(char const *json_filename);
- ~Controller();
- Algorithm *CreateAlgorithm(char const *name);
- void Read(char const *filename);
- void Initialise();
- void SwitchMode(CameraMode const &camera_mode, Metadata *metadata);
- void Prepare(Metadata *image_metadata);
- void Process(StatisticsPtr stats, Metadata *image_metadata);
- Metadata &GetGlobalMetadata();
- Algorithm *GetAlgorithm(std::string const &name) const;
-
-protected:
- Metadata global_metadata_;
- std::vector<AlgorithmPtr> algorithms_;
- bool switch_mode_called_;
-};
-
-} // namespace RPiController
diff --git a/src/ipa/raspberrypi/controller/denoise_algorithm.hpp b/src/ipa/raspberrypi/controller/denoise_algorithm.hpp
deleted file mode 100644
index 39fcd7e9..00000000
--- a/src/ipa/raspberrypi/controller/denoise_algorithm.hpp
+++ /dev/null
@@ -1,23 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2021, Raspberry Pi (Trading) Limited
- *
- * denoise.hpp - Denoise control algorithm interface
- */
-#pragma once
-
-#include "algorithm.hpp"
-
-namespace RPiController {
-
-enum class DenoiseMode { Off, ColourOff, ColourFast, ColourHighQuality };
-
-class DenoiseAlgorithm : public Algorithm
-{
-public:
- DenoiseAlgorithm(Controller *controller) : Algorithm(controller) {}
- // A Denoise algorithm must provide the following:
- virtual void SetMode(DenoiseMode mode) = 0;
-};
-
-} // namespace RPiController
diff --git a/src/ipa/raspberrypi/controller/denoise_status.h b/src/ipa/raspberrypi/controller/denoise_status.h
deleted file mode 100644
index 67a3c361..00000000
--- a/src/ipa/raspberrypi/controller/denoise_status.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019-2021, Raspberry Pi (Trading) Limited
- *
- * denoise_status.h - Denoise control algorithm status
- */
-#pragma once
-
-// This stores the parameters required for Denoise.
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-struct DenoiseStatus {
- double noise_constant;
- double noise_slope;
- double strength;
- unsigned int mode;
-};
-
-#ifdef __cplusplus
-}
-#endif
diff --git a/src/ipa/raspberrypi/controller/device_status.cpp b/src/ipa/raspberrypi/controller/device_status.cpp
deleted file mode 100644
index a389c40d..00000000
--- a/src/ipa/raspberrypi/controller/device_status.cpp
+++ /dev/null
@@ -1,30 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2021, Raspberry Pi (Trading) Limited
- *
- * device_status.cpp - device (image sensor) status
- */
-#include "device_status.h"
-
-using namespace libcamera; /* for the Duration operator<< overload */
-
-std::ostream &operator<<(std::ostream &out, const DeviceStatus &d)
-{
- out << "Exposure: " << d.shutter_speed
- << " Frame length: " << d.frame_length
- << " Gain: " << d.analogue_gain;
-
- if (d.aperture)
- out << " Aperture: " << *d.aperture;
-
- if (d.lens_position)
- out << " Lens: " << *d.lens_position;
-
- if (d.flash_intensity)
- out << " Flash: " << *d.flash_intensity;
-
- if (d.sensor_temperature)
- out << " Temperature: " << *d.sensor_temperature;
-
- return out;
-}
diff --git a/src/ipa/raspberrypi/controller/dpc_status.h b/src/ipa/raspberrypi/controller/dpc_status.h
deleted file mode 100644
index a3ec2762..00000000
--- a/src/ipa/raspberrypi/controller/dpc_status.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * dpc_status.h - DPC (defective pixel correction) control algorithm status
- */
-#pragma once
-
-// The "DPC" algorithm sets defective pixel correction strength.
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-struct DpcStatus {
- int strength; // 0 = "off", 1 = "normal", 2 = "strong"
-};
-
-#ifdef __cplusplus
-}
-#endif
diff --git a/src/ipa/raspberrypi/controller/focus_status.h b/src/ipa/raspberrypi/controller/focus_status.h
deleted file mode 100644
index ace2fe2c..00000000
--- a/src/ipa/raspberrypi/controller/focus_status.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2020, Raspberry Pi (Trading) Limited
- *
- * focus_status.h - focus measurement status
- */
-#pragma once
-
-#include <linux/bcm2835-isp.h>
-
-// The focus algorithm should post the following structure into the image's
-// "focus.status" metadata. Recall that it's only reporting focus (contrast)
-// measurements, it's not driving any kind of auto-focus algorithm!
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-struct FocusStatus {
- unsigned int num;
- uint32_t focus_measures[FOCUS_REGIONS];
-};
-
-#ifdef __cplusplus
-}
-#endif
diff --git a/src/ipa/raspberrypi/controller/geq_status.h b/src/ipa/raspberrypi/controller/geq_status.h
deleted file mode 100644
index 07fd5f03..00000000
--- a/src/ipa/raspberrypi/controller/geq_status.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * geq_status.h - GEQ (green equalisation) control algorithm status
- */
-#pragma once
-
-// The "GEQ" algorithm calculates the green equalisation thresholds
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-struct GeqStatus {
- uint16_t offset;
- double slope;
-};
-
-#ifdef __cplusplus
-}
-#endif
diff --git a/src/ipa/raspberrypi/controller/histogram.cpp b/src/ipa/raspberrypi/controller/histogram.cpp
deleted file mode 100644
index 9916b3ed..00000000
--- a/src/ipa/raspberrypi/controller/histogram.cpp
+++ /dev/null
@@ -1,64 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * histogram.cpp - histogram calculations
- */
-#include <math.h>
-#include <stdio.h>
-
-#include "histogram.hpp"
-
-using namespace RPiController;
-
-uint64_t Histogram::CumulativeFreq(double bin) const
-{
- if (bin <= 0)
- return 0;
- else if (bin >= Bins())
- return Total();
- int b = (int)bin;
- return cumulative_[b] +
- (bin - b) * (cumulative_[b + 1] - cumulative_[b]);
-}
-
-double Histogram::Quantile(double q, int first, int last) const
-{
- if (first == -1)
- first = 0;
- if (last == -1)
- last = cumulative_.size() - 2;
- assert(first <= last);
- uint64_t items = q * Total();
- while (first < last) // binary search to find the right bin
- {
- int middle = (first + last) / 2;
- if (cumulative_[middle + 1] > items)
- last = middle; // between first and middle
- else
- first = middle + 1; // after middle
- }
- assert(items >= cumulative_[first] && items <= cumulative_[last + 1]);
- double frac = cumulative_[first + 1] == cumulative_[first] ? 0
- : (double)(items - cumulative_[first]) /
- (cumulative_[first + 1] - cumulative_[first]);
- return first + frac;
-}
-
-double Histogram::InterQuantileMean(double q_lo, double q_hi) const
-{
- assert(q_hi > q_lo);
- double p_lo = Quantile(q_lo);
- double p_hi = Quantile(q_hi, (int)p_lo);
- double sum_bin_freq = 0, cumul_freq = 0;
- for (double p_next = floor(p_lo) + 1.0; p_next <= ceil(p_hi);
- p_lo = p_next, p_next += 1.0) {
- int bin = floor(p_lo);
- double freq = (cumulative_[bin + 1] - cumulative_[bin]) *
- (std::min(p_next, p_hi) - p_lo);
- sum_bin_freq += bin * freq;
- cumul_freq += freq;
- }
- // add 0.5 to give an average for bin mid-points
- return sum_bin_freq / cumul_freq + 0.5;
-}
diff --git a/src/ipa/raspberrypi/controller/histogram.hpp b/src/ipa/raspberrypi/controller/histogram.hpp
deleted file mode 100644
index 90f5ac78..00000000
--- a/src/ipa/raspberrypi/controller/histogram.hpp
+++ /dev/null
@@ -1,44 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * histogram.hpp - histogram calculation interface
- */
-#pragma once
-
-#include <stdint.h>
-#include <vector>
-#include <cassert>
-
-// A simple histogram class, for use in particular to find "quantiles" and
-// averages between "quantiles".
-
-namespace RPiController {
-
-class Histogram
-{
-public:
- template<typename T> Histogram(T *histogram, int num)
- {
- assert(num);
- cumulative_.reserve(num + 1);
- cumulative_.push_back(0);
- for (int i = 0; i < num; i++)
- cumulative_.push_back(cumulative_.back() +
- histogram[i]);
- }
- uint32_t Bins() const { return cumulative_.size() - 1; }
- uint64_t Total() const { return cumulative_[cumulative_.size() - 1]; }
- // Cumulative frequency up to a (fractional) point in a bin.
- uint64_t CumulativeFreq(double bin) const;
- // Return the (fractional) bin of the point q (0 <= q <= 1) through the
- // histogram. Optionally provide limits to help.
- double Quantile(double q, int first = -1, int last = -1) const;
- // Return the average histogram bin value between the two quantiles.
- double InterQuantileMean(double q_lo, double q_hi) const;
-
-private:
- std::vector<uint64_t> cumulative_;
-};
-
-} // namespace RPiController
diff --git a/src/ipa/raspberrypi/controller/lux_status.h b/src/ipa/raspberrypi/controller/lux_status.h
deleted file mode 100644
index 8ccfd933..00000000
--- a/src/ipa/raspberrypi/controller/lux_status.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * lux_status.h - Lux control algorithm status
- */
-#pragma once
-
-// The "lux" algorithm looks at the (AGC) histogram statistics of the frame and
-// estimates the current lux level of the scene. It does this by a simple ratio
-// calculation comparing to a reference image that was taken in known conditions
-// with known statistics and a properly measured lux level. There is a slight
-// problem with aperture, in that it may be variable without the system knowing
-// or being aware of it. In this case an external application may set a
-// "current_aperture" value if it wishes, which would be used in place of the
-// (presumably meaningless) value in the image metadata.
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-struct LuxStatus {
- double lux;
- double aperture;
-};
-
-#ifdef __cplusplus
-}
-#endif
diff --git a/src/ipa/raspberrypi/controller/metadata.hpp b/src/ipa/raspberrypi/controller/metadata.hpp
deleted file mode 100644
index 51e576cf..00000000
--- a/src/ipa/raspberrypi/controller/metadata.hpp
+++ /dev/null
@@ -1,110 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019-2021, Raspberry Pi (Trading) Limited
- *
- * metadata.hpp - general metadata class
- */
-#pragma once
-
-// A simple class for carrying arbitrary metadata, for example about an image.
-
-#include <any>
-#include <map>
-#include <mutex>
-#include <string>
-
-namespace RPiController {
-
-class Metadata
-{
-public:
- Metadata() = default;
-
- Metadata(Metadata const &other)
- {
- std::scoped_lock other_lock(other.mutex_);
- data_ = other.data_;
- }
-
- Metadata(Metadata &&other)
- {
- std::scoped_lock other_lock(other.mutex_);
- data_ = std::move(other.data_);
- other.data_.clear();
- }
-
- template<typename T>
- void Set(std::string const &tag, T const &value)
- {
- std::scoped_lock lock(mutex_);
- data_[tag] = value;
- }
-
- template<typename T>
- int Get(std::string const &tag, T &value) const
- {
- std::scoped_lock lock(mutex_);
- auto it = data_.find(tag);
- if (it == data_.end())
- return -1;
- value = std::any_cast<T>(it->second);
- return 0;
- }
-
- void Clear()
- {
- std::scoped_lock lock(mutex_);
- data_.clear();
- }
-
- Metadata &operator=(Metadata const &other)
- {
- std::scoped_lock lock(mutex_, other.mutex_);
- data_ = other.data_;
- return *this;
- }
-
- Metadata &operator=(Metadata &&other)
- {
- std::scoped_lock lock(mutex_, other.mutex_);
- data_ = std::move(other.data_);
- other.data_.clear();
- return *this;
- }
-
- void Merge(Metadata &other)
- {
- std::scoped_lock lock(mutex_, other.mutex_);
- data_.merge(other.data_);
- }
-
- template<typename T>
- T *GetLocked(std::string const &tag)
- {
- // This allows in-place access to the Metadata contents,
- // for which you should be holding the lock.
- auto it = data_.find(tag);
- if (it == data_.end())
- return nullptr;
- return std::any_cast<T>(&it->second);
- }
-
- template<typename T>
- void SetLocked(std::string const &tag, T const &value)
- {
- // Use this only if you're holding the lock yourself.
- data_[tag] = value;
- }
-
- // Note: use of (lowercase) lock and unlock means you can create scoped
- // locks with the standard lock classes.
- // e.g. std::lock_guard<RPiController::Metadata> lock(metadata)
- void lock() { mutex_.lock(); }
- void unlock() { mutex_.unlock(); }
-
-private:
- mutable std::mutex mutex_;
- std::map<std::string, std::any> data_;
-};
-
-} // namespace RPiController
diff --git a/src/ipa/raspberrypi/controller/noise_status.h b/src/ipa/raspberrypi/controller/noise_status.h
deleted file mode 100644
index 8439a402..00000000
--- a/src/ipa/raspberrypi/controller/noise_status.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * noise_status.h - Noise control algorithm status
- */
-#pragma once
-
-// The "noise" algorithm stores an estimate of the noise profile for this image.
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-struct NoiseStatus {
- double noise_constant;
- double noise_slope;
-};
-
-#ifdef __cplusplus
-}
-#endif
diff --git a/src/ipa/raspberrypi/controller/pwl.cpp b/src/ipa/raspberrypi/controller/pwl.cpp
deleted file mode 100644
index 130c820b..00000000
--- a/src/ipa/raspberrypi/controller/pwl.cpp
+++ /dev/null
@@ -1,246 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * pwl.cpp - piecewise linear functions
- */
-
-#include <cassert>
-#include <stdexcept>
-
-#include "pwl.hpp"
-
-using namespace RPiController;
-
-void Pwl::Read(boost::property_tree::ptree const &params)
-{
- for (auto it = params.begin(); it != params.end(); it++) {
- double x = it->second.get_value<double>();
- assert(it == params.begin() || x > points_.back().x);
- it++;
- double y = it->second.get_value<double>();
- points_.push_back(Point(x, y));
- }
- assert(points_.size() >= 2);
-}
-
-void Pwl::Append(double x, double y, const double eps)
-{
- if (points_.empty() || points_.back().x + eps < x)
- points_.push_back(Point(x, y));
-}
-
-void Pwl::Prepend(double x, double y, const double eps)
-{
- if (points_.empty() || points_.front().x - eps > x)
- points_.insert(points_.begin(), Point(x, y));
-}
-
-Pwl::Interval Pwl::Domain() const
-{
- return Interval(points_[0].x, points_[points_.size() - 1].x);
-}
-
-Pwl::Interval Pwl::Range() const
-{
- double lo = points_[0].y, hi = lo;
- for (auto &p : points_)
- lo = std::min(lo, p.y), hi = std::max(hi, p.y);
- return Interval(lo, hi);
-}
-
-bool Pwl::Empty() const
-{
- return points_.empty();
-}
-
-double Pwl::Eval(double x, int *span_ptr, bool update_span) const
-{
- int span = findSpan(x, span_ptr && *span_ptr != -1
- ? *span_ptr
- : points_.size() / 2 - 1);
- if (span_ptr && update_span)
- *span_ptr = span;
- return points_[span].y +
- (x - points_[span].x) * (points_[span + 1].y - points_[span].y) /
- (points_[span + 1].x - points_[span].x);
-}
-
-int Pwl::findSpan(double x, int span) const
-{
- // Pwls are generally small, so linear search may well be faster than
- // binary, though could review this if large PWls start turning up.
- int last_span = points_.size() - 2;
- // some algorithms may call us with span pointing directly at the last
- // control point
- span = std::max(0, std::min(last_span, span));
- while (span < last_span && x >= points_[span + 1].x)
- span++;
- while (span && x < points_[span].x)
- span--;
- return span;
-}
-
-Pwl::PerpType Pwl::Invert(Point const &xy, Point &perp, int &span,
- const double eps) const
-{
- assert(span >= -1);
- bool prev_off_end = false;
- for (span = span + 1; span < (int)points_.size() - 1; span++) {
- Point span_vec = points_[span + 1] - points_[span];
- double t = ((xy - points_[span]) % span_vec) / span_vec.Len2();
- if (t < -eps) // off the start of this span
- {
- if (span == 0) {
- perp = points_[span];
- return PerpType::Start;
- } else if (prev_off_end) {
- perp = points_[span];
- return PerpType::Vertex;
- }
- } else if (t > 1 + eps) // off the end of this span
- {
- if (span == (int)points_.size() - 2) {
- perp = points_[span + 1];
- return PerpType::End;
- }
- prev_off_end = true;
- } else // a true perpendicular
- {
- perp = points_[span] + span_vec * t;
- return PerpType::Perpendicular;
- }
- }
- return PerpType::None;
-}
-
-Pwl Pwl::Inverse(bool *true_inverse, const double eps) const
-{
- bool appended = false, prepended = false, neither = false;
- Pwl inverse;
-
- for (Point const &p : points_) {
- if (inverse.Empty())
- inverse.Append(p.y, p.x, eps);
- else if (std::abs(inverse.points_.back().x - p.y) <= eps ||
- std::abs(inverse.points_.front().x - p.y) <= eps)
- /* do nothing */;
- else if (p.y > inverse.points_.back().x) {
- inverse.Append(p.y, p.x, eps);
- appended = true;
- } else if (p.y < inverse.points_.front().x) {
- inverse.Prepend(p.y, p.x, eps);
- prepended = true;
- } else
- neither = true;
- }
-
- // This is not a proper inverse if we found ourselves putting points
- // onto both ends of the inverse, or if there were points that couldn't
- // go on either.
- if (true_inverse)
- *true_inverse = !(neither || (appended && prepended));
-
- return inverse;
-}
-
-Pwl Pwl::Compose(Pwl const &other, const double eps) const
-{
- double this_x = points_[0].x, this_y = points_[0].y;
- int this_span = 0, other_span = other.findSpan(this_y, 0);
- Pwl result({ { this_x, other.Eval(this_y, &other_span, false) } });
- while (this_span != (int)points_.size() - 1) {
- double dx = points_[this_span + 1].x - points_[this_span].x,
- dy = points_[this_span + 1].y - points_[this_span].y;
- if (abs(dy) > eps &&
- other_span + 1 < (int)other.points_.size() &&
- points_[this_span + 1].y >=
- other.points_[other_span + 1].x + eps) {
- // next control point in result will be where this
- // function's y reaches the next span in other
- this_x = points_[this_span].x +
- (other.points_[other_span + 1].x -
- points_[this_span].y) * dx / dy;
- this_y = other.points_[++other_span].x;
- } else if (abs(dy) > eps && other_span > 0 &&
- points_[this_span + 1].y <=
- other.points_[other_span - 1].x - eps) {
- // next control point in result will be where this
- // function's y reaches the previous span in other
- this_x = points_[this_span].x +
- (other.points_[other_span + 1].x -
- points_[this_span].y) * dx / dy;
- this_y = other.points_[--other_span].x;
- } else {
- // we stay in the same span in other
- this_span++;
- this_x = points_[this_span].x,
- this_y = points_[this_span].y;
- }
- result.Append(this_x, other.Eval(this_y, &other_span, false),
- eps);
- }
- return result;
-}
-
-void Pwl::Map(std::function<void(double x, double y)> f) const
-{
- for (auto &pt : points_)
- f(pt.x, pt.y);
-}
-
-void Pwl::Map2(Pwl const &pwl0, Pwl const &pwl1,
- std::function<void(double x, double y0, double y1)> f)
-{
- int span0 = 0, span1 = 0;
- double x = std::min(pwl0.points_[0].x, pwl1.points_[0].x);
- f(x, pwl0.Eval(x, &span0, false), pwl1.Eval(x, &span1, false));
- while (span0 < (int)pwl0.points_.size() - 1 ||
- span1 < (int)pwl1.points_.size() - 1) {
- if (span0 == (int)pwl0.points_.size() - 1)
- x = pwl1.points_[++span1].x;
- else if (span1 == (int)pwl1.points_.size() - 1)
- x = pwl0.points_[++span0].x;
- else if (pwl0.points_[span0 + 1].x > pwl1.points_[span1 + 1].x)
- x = pwl1.points_[++span1].x;
- else
- x = pwl0.points_[++span0].x;
- f(x, pwl0.Eval(x, &span0, false), pwl1.Eval(x, &span1, false));
- }
-}
-
-Pwl Pwl::Combine(Pwl const &pwl0, Pwl const &pwl1,
- std::function<double(double x, double y0, double y1)> f,
- const double eps)
-{
- Pwl result;
- Map2(pwl0, pwl1, [&](double x, double y0, double y1) {
- result.Append(x, f(x, y0, y1), eps);
- });
- return result;
-}
-
-void Pwl::MatchDomain(Interval const &domain, bool clip, const double eps)
-{
- int span = 0;
- Prepend(domain.start, Eval(clip ? points_[0].x : domain.start, &span),
- eps);
- span = points_.size() - 2;
- Append(domain.end, Eval(clip ? points_.back().x : domain.end, &span),
- eps);
-}
-
-Pwl &Pwl::operator*=(double d)
-{
- for (auto &pt : points_)
- pt.y *= d;
- return *this;
-}
-
-void Pwl::Debug(FILE *fp) const
-{
- fprintf(fp, "Pwl {\n");
- for (auto &p : points_)
- fprintf(fp, "\t(%g, %g)\n", p.x, p.y);
- fprintf(fp, "}\n");
-}
diff --git a/src/ipa/raspberrypi/controller/pwl.hpp b/src/ipa/raspberrypi/controller/pwl.hpp
deleted file mode 100644
index 484672f6..00000000
--- a/src/ipa/raspberrypi/controller/pwl.hpp
+++ /dev/null
@@ -1,112 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * pwl.hpp - piecewise linear functions interface
- */
-#pragma once
-
-#include <math.h>
-#include <vector>
-
-#include <boost/property_tree/ptree.hpp>
-
-namespace RPiController {
-
-class Pwl
-{
-public:
- struct Interval {
- Interval(double _start, double _end) : start(_start), end(_end)
- {
- }
- double start, end;
- bool Contains(double value)
- {
- return value >= start && value <= end;
- }
- double Clip(double value)
- {
- return value < start ? start
- : (value > end ? end : value);
- }
- double Len() const { return end - start; }
- };
- struct Point {
- Point() : x(0), y(0) {}
- Point(double _x, double _y) : x(_x), y(_y) {}
- double x, y;
- Point operator-(Point const &p) const
- {
- return Point(x - p.x, y - p.y);
- }
- Point operator+(Point const &p) const
- {
- return Point(x + p.x, y + p.y);
- }
- double operator%(Point const &p) const
- {
- return x * p.x + y * p.y;
- }
- Point operator*(double f) const { return Point(x * f, y * f); }
- Point operator/(double f) const { return Point(x / f, y / f); }
- double Len2() const { return x * x + y * y; }
- double Len() const { return sqrt(Len2()); }
- };
- Pwl() {}
- Pwl(std::vector<Point> const &points) : points_(points) {}
- void Read(boost::property_tree::ptree const &params);
- void Append(double x, double y, const double eps = 1e-6);
- void Prepend(double x, double y, const double eps = 1e-6);
- Interval Domain() const;
- Interval Range() const;
- bool Empty() const;
- // Evaluate Pwl, optionally supplying an initial guess for the
- // "span". The "span" may be optionally be updated. If you want to know
- // the "span" value but don't have an initial guess you can set it to
- // -1.
- double Eval(double x, int *span_ptr = nullptr,
- bool update_span = true) const;
- // Find perpendicular closest to xy, starting from span+1 so you can
- // call it repeatedly to check for multiple closest points (set span to
- // -1 on the first call). Also returns "pseudo" perpendiculars; see
- // PerpType enum.
- enum class PerpType {
- None, // no perpendicular found
- Start, // start of Pwl is closest point
- End, // end of Pwl is closest point
- Vertex, // vertex of Pwl is closest point
- Perpendicular // true perpendicular found
- };
- PerpType Invert(Point const &xy, Point &perp, int &span,
- const double eps = 1e-6) const;
- // Compute the inverse function. Indicate if it is a proper (true)
- // inverse, or only a best effort (e.g. input was non-monotonic).
- Pwl Inverse(bool *true_inverse = nullptr, const double eps = 1e-6) const;
- // Compose two Pwls together, doing "this" first and "other" after.
- Pwl Compose(Pwl const &other, const double eps = 1e-6) const;
- // Apply function to (x,y) values at every control point.
- void Map(std::function<void(double x, double y)> f) const;
- // Apply function to (x, y0, y1) values wherever either Pwl has a
- // control point.
- static void Map2(Pwl const &pwl0, Pwl const &pwl1,
- std::function<void(double x, double y0, double y1)> f);
- // Combine two Pwls, meaning we create a new Pwl where the y values are
- // given by running f wherever either has a knot.
- static Pwl
- Combine(Pwl const &pwl0, Pwl const &pwl1,
- std::function<double(double x, double y0, double y1)> f,
- const double eps = 1e-6);
- // Make "this" match (at least) the given domain. Any extension my be
- // clipped or linear.
- void MatchDomain(Interval const &domain, bool clip = true,
- const double eps = 1e-6);
- Pwl &operator*=(double d);
- void Debug(FILE *fp = stdout) const;
-
-private:
- int findSpan(double x, int span) const;
- std::vector<Point> points_;
-};
-
-} // namespace RPiController
diff --git a/src/ipa/raspberrypi/controller/rpi/agc.cpp b/src/ipa/raspberrypi/controller/rpi/agc.cpp
deleted file mode 100644
index f6a9cb0a..00000000
--- a/src/ipa/raspberrypi/controller/rpi/agc.cpp
+++ /dev/null
@@ -1,797 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * agc.cpp - AGC/AEC control algorithm
- */
-
-#include <map>
-
-#include <linux/bcm2835-isp.h>
-
-#include <libcamera/base/log.h>
-
-#include "../awb_status.h"
-#include "../device_status.h"
-#include "../histogram.hpp"
-#include "../lux_status.h"
-#include "../metadata.hpp"
-
-#include "agc.hpp"
-
-using namespace RPiController;
-using namespace libcamera;
-using libcamera::utils::Duration;
-using namespace std::literals::chrono_literals;
-
-LOG_DEFINE_CATEGORY(RPiAgc)
-
-#define NAME "rpi.agc"
-
-#define PIPELINE_BITS 13 // seems to be a 13-bit pipeline
-
-void AgcMeteringMode::Read(boost::property_tree::ptree const &params)
-{
- int num = 0;
- for (auto &p : params.get_child("weights")) {
- if (num == AGC_STATS_SIZE)
- throw std::runtime_error("AgcConfig: too many weights");
- weights[num++] = p.second.get_value<double>();
- }
- if (num != AGC_STATS_SIZE)
- throw std::runtime_error("AgcConfig: insufficient weights");
-}
-
-static std::string
-read_metering_modes(std::map<std::string, AgcMeteringMode> &metering_modes,
- boost::property_tree::ptree const &params)
-{
- std::string first;
- for (auto &p : params) {
- AgcMeteringMode metering_mode;
- metering_mode.Read(p.second);
- metering_modes[p.first] = std::move(metering_mode);
- if (first.empty())
- first = p.first;
- }
- return first;
-}
-
-static int read_list(std::vector<double> &list,
- boost::property_tree::ptree const &params)
-{
- for (auto &p : params)
- list.push_back(p.second.get_value<double>());
- return list.size();
-}
-
-static int read_list(std::vector<Duration> &list,
- boost::property_tree::ptree const &params)
-{
- for (auto &p : params)
- list.push_back(p.second.get_value<double>() * 1us);
- return list.size();
-}
-
-void AgcExposureMode::Read(boost::property_tree::ptree const &params)
-{
- int num_shutters = read_list(shutter, params.get_child("shutter"));
- int num_ags = read_list(gain, params.get_child("gain"));
- if (num_shutters < 2 || num_ags < 2)
- throw std::runtime_error(
- "AgcConfig: must have at least two entries in exposure profile");
- if (num_shutters != num_ags)
- throw std::runtime_error(
- "AgcConfig: expect same number of exposure and gain entries in exposure profile");
-}
-
-static std::string
-read_exposure_modes(std::map<std::string, AgcExposureMode> &exposure_modes,
- boost::property_tree::ptree const &params)
-{
- std::string first;
- for (auto &p : params) {
- AgcExposureMode exposure_mode;
- exposure_mode.Read(p.second);
- exposure_modes[p.first] = std::move(exposure_mode);
- if (first.empty())
- first = p.first;
- }
- return first;
-}
-
-void AgcConstraint::Read(boost::property_tree::ptree const &params)
-{
- std::string bound_string = params.get<std::string>("bound", "");
- transform(bound_string.begin(), bound_string.end(),
- bound_string.begin(), ::toupper);
- if (bound_string != "UPPER" && bound_string != "LOWER")
- throw std::runtime_error(
- "AGC constraint type should be UPPER or LOWER");
- bound = bound_string == "UPPER" ? Bound::UPPER : Bound::LOWER;
- q_lo = params.get<double>("q_lo");
- q_hi = params.get<double>("q_hi");
- Y_target.Read(params.get_child("y_target"));
-}
-
-static AgcConstraintMode
-read_constraint_mode(boost::property_tree::ptree const &params)
-{
- AgcConstraintMode mode;
- for (auto &p : params) {
- AgcConstraint constraint;
- constraint.Read(p.second);
- mode.push_back(std::move(constraint));
- }
- return mode;
-}
-
-static std::string read_constraint_modes(
- std::map<std::string, AgcConstraintMode> &constraint_modes,
- boost::property_tree::ptree const &params)
-{
- std::string first;
- for (auto &p : params) {
- constraint_modes[p.first] = read_constraint_mode(p.second);
- if (first.empty())
- first = p.first;
- }
- return first;
-}
-
-void AgcConfig::Read(boost::property_tree::ptree const &params)
-{
- LOG(RPiAgc, Debug) << "AgcConfig";
- default_metering_mode = read_metering_modes(
- metering_modes, params.get_child("metering_modes"));
- default_exposure_mode = read_exposure_modes(
- exposure_modes, params.get_child("exposure_modes"));
- default_constraint_mode = read_constraint_modes(
- constraint_modes, params.get_child("constraint_modes"));
- Y_target.Read(params.get_child("y_target"));
- speed = params.get<double>("speed", 0.2);
- startup_frames = params.get<uint16_t>("startup_frames", 10);
- convergence_frames = params.get<unsigned int>("convergence_frames", 6);
- fast_reduce_threshold =
- params.get<double>("fast_reduce_threshold", 0.4);
- base_ev = params.get<double>("base_ev", 1.0);
- // Start with quite a low value as ramping up is easier than ramping down.
- default_exposure_time = params.get<double>("default_exposure_time", 1000) * 1us;
- default_analogue_gain = params.get<double>("default_analogue_gain", 1.0);
-}
-
-Agc::ExposureValues::ExposureValues()
- : shutter(0s), analogue_gain(0),
- total_exposure(0s), total_exposure_no_dg(0s)
-{
-}
-
-Agc::Agc(Controller *controller)
- : AgcAlgorithm(controller), metering_mode_(nullptr),
- exposure_mode_(nullptr), constraint_mode_(nullptr),
- frame_count_(0), lock_count_(0),
- last_target_exposure_(0s), last_sensitivity_(0.0),
- ev_(1.0), flicker_period_(0s),
- max_shutter_(0s), fixed_shutter_(0s), fixed_analogue_gain_(0.0)
-{
- memset(&awb_, 0, sizeof(awb_));
- // Setting status_.total_exposure_value_ to zero initially tells us
- // it's not been calculated yet (i.e. Process hasn't yet run).
- memset(&status_, 0, sizeof(status_));
- status_.ev = ev_;
-}
-
-char const *Agc::Name() const
-{
- return NAME;
-}
-
-void Agc::Read(boost::property_tree::ptree const &params)
-{
- LOG(RPiAgc, Debug) << "Agc";
- config_.Read(params);
- // Set the config's defaults (which are the first ones it read) as our
- // current modes, until someone changes them. (they're all known to
- // exist at this point)
- metering_mode_name_ = config_.default_metering_mode;
- metering_mode_ = &config_.metering_modes[metering_mode_name_];
- exposure_mode_name_ = config_.default_exposure_mode;
- exposure_mode_ = &config_.exposure_modes[exposure_mode_name_];
- constraint_mode_name_ = config_.default_constraint_mode;
- constraint_mode_ = &config_.constraint_modes[constraint_mode_name_];
- // Set up the "last shutter/gain" values, in case AGC starts "disabled".
- status_.shutter_time = config_.default_exposure_time;
- status_.analogue_gain = config_.default_analogue_gain;
-}
-
-bool Agc::IsPaused() const
-{
- return false;
-}
-
-void Agc::Pause()
-{
- fixed_shutter_ = status_.shutter_time;
- fixed_analogue_gain_ = status_.analogue_gain;
-}
-
-void Agc::Resume()
-{
- fixed_shutter_ = 0s;
- fixed_analogue_gain_ = 0;
-}
-
-unsigned int Agc::GetConvergenceFrames() const
-{
- // If shutter and gain have been explicitly set, there is no
- // convergence to happen, so no need to drop any frames - return zero.
- if (fixed_shutter_ && fixed_analogue_gain_)
- return 0;
- else
- return config_.convergence_frames;
-}
-
-void Agc::SetEv(double ev)
-{
- ev_ = ev;
-}
-
-void Agc::SetFlickerPeriod(Duration flicker_period)
-{
- flicker_period_ = flicker_period;
-}
-
-void Agc::SetMaxShutter(Duration max_shutter)
-{
- max_shutter_ = max_shutter;
-}
-
-void Agc::SetFixedShutter(Duration fixed_shutter)
-{
- fixed_shutter_ = fixed_shutter;
- // Set this in case someone calls Pause() straight after.
- status_.shutter_time = clipShutter(fixed_shutter_);
-}
-
-void Agc::SetFixedAnalogueGain(double fixed_analogue_gain)
-{
- fixed_analogue_gain_ = fixed_analogue_gain;
- // Set this in case someone calls Pause() straight after.
- status_.analogue_gain = fixed_analogue_gain;
-}
-
-void Agc::SetMeteringMode(std::string const &metering_mode_name)
-{
- metering_mode_name_ = metering_mode_name;
-}
-
-void Agc::SetExposureMode(std::string const &exposure_mode_name)
-{
- exposure_mode_name_ = exposure_mode_name;
-}
-
-void Agc::SetConstraintMode(std::string const &constraint_mode_name)
-{
- constraint_mode_name_ = constraint_mode_name;
-}
-
-void Agc::SwitchMode(CameraMode const &camera_mode,
- Metadata *metadata)
-{
- /* AGC expects the mode sensitivity always to be non-zero. */
- ASSERT(camera_mode.sensitivity);
-
- housekeepConfig();
-
- Duration fixed_shutter = clipShutter(fixed_shutter_);
- if (fixed_shutter && fixed_analogue_gain_) {
- // We're going to reset the algorithm here with these fixed values.
-
- fetchAwbStatus(metadata);
- double min_colour_gain = std::min({ awb_.gain_r, awb_.gain_g, awb_.gain_b, 1.0 });
- ASSERT(min_colour_gain != 0.0);
-
- // This is the equivalent of computeTargetExposure and applyDigitalGain.
- target_.total_exposure_no_dg = fixed_shutter * fixed_analogue_gain_;
- target_.total_exposure = target_.total_exposure_no_dg / min_colour_gain;
-
- // Equivalent of filterExposure. This resets any "history".
- filtered_ = target_;
-
- // Equivalent of divideUpExposure.
- filtered_.shutter = fixed_shutter;
- filtered_.analogue_gain = fixed_analogue_gain_;
- } else if (status_.total_exposure_value) {
- // On a mode switch, various things could happen:
- // - the exposure profile might change
- // - a fixed exposure or gain might be set
- // - the new mode's sensitivity might be different
- // We cope with the last of these by scaling the target values. After
- // that we just need to re-divide the exposure/gain according to the
- // current exposure profile, which takes care of everything else.
-
- double ratio = last_sensitivity_ / camera_mode.sensitivity;
- target_.total_exposure_no_dg *= ratio;
- target_.total_exposure *= ratio;
- filtered_.total_exposure_no_dg *= ratio;
- filtered_.total_exposure *= ratio;
-
- divideUpExposure();
- } else {
- // We come through here on startup, when at least one of the shutter
- // or gain has not been fixed. We must still write those values out so
- // that they will be applied immediately. We supply some arbitrary defaults
- // for any that weren't set.
-
- // Equivalent of divideUpExposure.
- filtered_.shutter = fixed_shutter ? fixed_shutter : config_.default_exposure_time;
- filtered_.analogue_gain = fixed_analogue_gain_ ? fixed_analogue_gain_ : config_.default_analogue_gain;
- }
-
- writeAndFinish(metadata, false);
-
- // We must remember the sensitivity of this mode for the next SwitchMode.
- last_sensitivity_ = camera_mode.sensitivity;
-}
-
-void Agc::Prepare(Metadata *image_metadata)
-{
- status_.digital_gain = 1.0;
- fetchAwbStatus(image_metadata); // always fetch it so that Process knows it's been done
-
- if (status_.total_exposure_value) {
- // Process has run, so we have meaningful values.
- DeviceStatus device_status;
- if (image_metadata->Get("device.status", device_status) == 0) {
- Duration actual_exposure = device_status.shutter_speed *
- device_status.analogue_gain;
- if (actual_exposure) {
- status_.digital_gain =
- status_.total_exposure_value /
- actual_exposure;
- LOG(RPiAgc, Debug) << "Want total exposure " << status_.total_exposure_value;
- // Never ask for a gain < 1.0, and also impose
- // some upper limit. Make it customisable?
- status_.digital_gain = std::max(
- 1.0,
- std::min(status_.digital_gain, 4.0));
- LOG(RPiAgc, Debug) << "Actual exposure " << actual_exposure;
- LOG(RPiAgc, Debug) << "Use digital_gain " << status_.digital_gain;
- LOG(RPiAgc, Debug) << "Effective exposure "
- << actual_exposure * status_.digital_gain;
- // Decide whether AEC/AGC has converged.
- updateLockStatus(device_status);
- }
- } else
- LOG(RPiAgc, Warning) << Name() << ": no device metadata";
- image_metadata->Set("agc.status", status_);
- }
-}
-
-void Agc::Process(StatisticsPtr &stats, Metadata *image_metadata)
-{
- frame_count_++;
- // First a little bit of housekeeping, fetching up-to-date settings and
- // configuration, that kind of thing.
- housekeepConfig();
- // Get the current exposure values for the frame that's just arrived.
- fetchCurrentExposure(image_metadata);
- // Compute the total gain we require relative to the current exposure.
- double gain, target_Y;
- computeGain(stats.get(), image_metadata, gain, target_Y);
- // Now compute the target (final) exposure which we think we want.
- computeTargetExposure(gain);
- // Some of the exposure has to be applied as digital gain, so work out
- // what that is. This function also tells us whether it's decided to
- // "desaturate" the image more quickly.
- bool desaturate = applyDigitalGain(gain, target_Y);
- // The results have to be filtered so as not to change too rapidly.
- filterExposure(desaturate);
- // The last thing is to divide up the exposure value into a shutter time
- // and analogue_gain, according to the current exposure mode.
- divideUpExposure();
- // Finally advertise what we've done.
- writeAndFinish(image_metadata, desaturate);
-}
-
-void Agc::updateLockStatus(DeviceStatus const &device_status)
-{
- const double ERROR_FACTOR = 0.10; // make these customisable?
- const int MAX_LOCK_COUNT = 5;
- // Reset "lock count" when we exceed this multiple of ERROR_FACTOR
- const double RESET_MARGIN = 1.5;
-
- // Add 200us to the exposure time error to allow for line quantisation.
- Duration exposure_error = last_device_status_.shutter_speed * ERROR_FACTOR + 200us;
- double gain_error = last_device_status_.analogue_gain * ERROR_FACTOR;
- Duration target_error = last_target_exposure_ * ERROR_FACTOR;
-
- // Note that we don't know the exposure/gain limits of the sensor, so
- // the values we keep requesting may be unachievable. For this reason
- // we only insist that we're close to values in the past few frames.
- if (device_status.shutter_speed > last_device_status_.shutter_speed - exposure_error &&
- device_status.shutter_speed < last_device_status_.shutter_speed + exposure_error &&
- device_status.analogue_gain > last_device_status_.analogue_gain - gain_error &&
- device_status.analogue_gain < last_device_status_.analogue_gain + gain_error &&
- status_.target_exposure_value > last_target_exposure_ - target_error &&
- status_.target_exposure_value < last_target_exposure_ + target_error)
- lock_count_ = std::min(lock_count_ + 1, MAX_LOCK_COUNT);
- else if (device_status.shutter_speed < last_device_status_.shutter_speed - RESET_MARGIN * exposure_error ||
- device_status.shutter_speed > last_device_status_.shutter_speed + RESET_MARGIN * exposure_error ||
- device_status.analogue_gain < last_device_status_.analogue_gain - RESET_MARGIN * gain_error ||
- device_status.analogue_gain > last_device_status_.analogue_gain + RESET_MARGIN * gain_error ||
- status_.target_exposure_value < last_target_exposure_ - RESET_MARGIN * target_error ||
- status_.target_exposure_value > last_target_exposure_ + RESET_MARGIN * target_error)
- lock_count_ = 0;
-
- last_device_status_ = device_status;
- last_target_exposure_ = status_.target_exposure_value;
-
- LOG(RPiAgc, Debug) << "Lock count updated to " << lock_count_;
- status_.locked = lock_count_ == MAX_LOCK_COUNT;
-}
-
-static void copy_string(std::string const &s, char *d, size_t size)
-{
- size_t length = s.copy(d, size - 1);
- d[length] = '\0';
-}
-
-void Agc::housekeepConfig()
-{
- // First fetch all the up-to-date settings, so no one else has to do it.
- status_.ev = ev_;
- status_.fixed_shutter = clipShutter(fixed_shutter_);
- status_.fixed_analogue_gain = fixed_analogue_gain_;
- status_.flicker_period = flicker_period_;
- LOG(RPiAgc, Debug) << "ev " << status_.ev << " fixed_shutter "
- << status_.fixed_shutter << " fixed_analogue_gain "
- << status_.fixed_analogue_gain;
- // Make sure the "mode" pointers point to the up-to-date things, if
- // they've changed.
- if (strcmp(metering_mode_name_.c_str(), status_.metering_mode)) {
- auto it = config_.metering_modes.find(metering_mode_name_);
- if (it == config_.metering_modes.end())
- throw std::runtime_error("Agc: no metering mode " +
- metering_mode_name_);
- metering_mode_ = &it->second;
- copy_string(metering_mode_name_, status_.metering_mode,
- sizeof(status_.metering_mode));
- }
- if (strcmp(exposure_mode_name_.c_str(), status_.exposure_mode)) {
- auto it = config_.exposure_modes.find(exposure_mode_name_);
- if (it == config_.exposure_modes.end())
- throw std::runtime_error("Agc: no exposure profile " +
- exposure_mode_name_);
- exposure_mode_ = &it->second;
- copy_string(exposure_mode_name_, status_.exposure_mode,
- sizeof(status_.exposure_mode));
- }
- if (strcmp(constraint_mode_name_.c_str(), status_.constraint_mode)) {
- auto it =
- config_.constraint_modes.find(constraint_mode_name_);
- if (it == config_.constraint_modes.end())
- throw std::runtime_error("Agc: no constraint list " +
- constraint_mode_name_);
- constraint_mode_ = &it->second;
- copy_string(constraint_mode_name_, status_.constraint_mode,
- sizeof(status_.constraint_mode));
- }
- LOG(RPiAgc, Debug) << "exposure_mode "
- << exposure_mode_name_ << " constraint_mode "
- << constraint_mode_name_ << " metering_mode "
- << metering_mode_name_;
-}
-
-void Agc::fetchCurrentExposure(Metadata *image_metadata)
-{
- std::unique_lock<Metadata> lock(*image_metadata);
- DeviceStatus *device_status =
- image_metadata->GetLocked<DeviceStatus>("device.status");
- if (!device_status)
- throw std::runtime_error("Agc: no device metadata");
- current_.shutter = device_status->shutter_speed;
- current_.analogue_gain = device_status->analogue_gain;
- AgcStatus *agc_status =
- image_metadata->GetLocked<AgcStatus>("agc.status");
- current_.total_exposure = agc_status ? agc_status->total_exposure_value : 0s;
- current_.total_exposure_no_dg = current_.shutter * current_.analogue_gain;
-}
-
-void Agc::fetchAwbStatus(Metadata *image_metadata)
-{
- awb_.gain_r = 1.0; // in case not found in metadata
- awb_.gain_g = 1.0;
- awb_.gain_b = 1.0;
- if (image_metadata->Get("awb.status", awb_) != 0)
- LOG(RPiAgc, Debug) << "Agc: no AWB status found";
-}
-
-static double compute_initial_Y(bcm2835_isp_stats *stats, AwbStatus const &awb,
- double weights[], double gain)
-{
- bcm2835_isp_stats_region *regions = stats->agc_stats;
- // Note how the calculation below means that equal weights give you
- // "average" metering (i.e. all pixels equally important).
- double R_sum = 0, G_sum = 0, B_sum = 0, pixel_sum = 0;
- for (int i = 0; i < AGC_STATS_SIZE; i++) {
- double counted = regions[i].counted;
- double r_sum = std::min(regions[i].r_sum * gain, ((1 << PIPELINE_BITS) - 1) * counted);
- double g_sum = std::min(regions[i].g_sum * gain, ((1 << PIPELINE_BITS) - 1) * counted);
- double b_sum = std::min(regions[i].b_sum * gain, ((1 << PIPELINE_BITS) - 1) * counted);
- R_sum += r_sum * weights[i];
- G_sum += g_sum * weights[i];
- B_sum += b_sum * weights[i];
- pixel_sum += counted * weights[i];
- }
- if (pixel_sum == 0.0) {
- LOG(RPiAgc, Warning) << "compute_initial_Y: pixel_sum is zero";
- return 0;
- }
- double Y_sum = R_sum * awb.gain_r * .299 +
- G_sum * awb.gain_g * .587 +
- B_sum * awb.gain_b * .114;
- return Y_sum / pixel_sum / (1 << PIPELINE_BITS);
-}
-
-// We handle extra gain through EV by adjusting our Y targets. However, you
-// simply can't monitor histograms once they get very close to (or beyond!)
-// saturation, so we clamp the Y targets to this value. It does mean that EV
-// increases don't necessarily do quite what you might expect in certain
-// (contrived) cases.
-
-#define EV_GAIN_Y_TARGET_LIMIT 0.9
-
-static double constraint_compute_gain(AgcConstraint &c, Histogram &h,
- double lux, double ev_gain,
- double &target_Y)
-{
- target_Y = c.Y_target.Eval(c.Y_target.Domain().Clip(lux));
- target_Y = std::min(EV_GAIN_Y_TARGET_LIMIT, target_Y * ev_gain);
- double iqm = h.InterQuantileMean(c.q_lo, c.q_hi);
- return (target_Y * NUM_HISTOGRAM_BINS) / iqm;
-}
-
-void Agc::computeGain(bcm2835_isp_stats *statistics, Metadata *image_metadata,
- double &gain, double &target_Y)
-{
- struct LuxStatus lux = {};
- lux.lux = 400; // default lux level to 400 in case no metadata found
- if (image_metadata->Get("lux.status", lux) != 0)
- LOG(RPiAgc, Warning) << "Agc: no lux level found";
- Histogram h(statistics->hist[0].g_hist, NUM_HISTOGRAM_BINS);
- double ev_gain = status_.ev * config_.base_ev;
- // The initial gain and target_Y come from some of the regions. After
- // that we consider the histogram constraints.
- target_Y =
- config_.Y_target.Eval(config_.Y_target.Domain().Clip(lux.lux));
- target_Y = std::min(EV_GAIN_Y_TARGET_LIMIT, target_Y * ev_gain);
-
- // Do this calculation a few times as brightness increase can be
- // non-linear when there are saturated regions.
- gain = 1.0;
- for (int i = 0; i < 8; i++) {
- double initial_Y = compute_initial_Y(statistics, awb_,
- metering_mode_->weights, gain);
- double extra_gain = std::min(10.0, target_Y / (initial_Y + .001));
- gain *= extra_gain;
- LOG(RPiAgc, Debug) << "Initial Y " << initial_Y << " target " << target_Y
- << " gives gain " << gain;
- if (extra_gain < 1.01) // close enough
- break;
- }
-
- for (auto &c : *constraint_mode_) {
- double new_target_Y;
- double new_gain =
- constraint_compute_gain(c, h, lux.lux, ev_gain,
- new_target_Y);
- LOG(RPiAgc, Debug) << "Constraint has target_Y "
- << new_target_Y << " giving gain " << new_gain;
- if (c.bound == AgcConstraint::Bound::LOWER &&
- new_gain > gain) {
- LOG(RPiAgc, Debug) << "Lower bound constraint adopted";
- gain = new_gain, target_Y = new_target_Y;
- } else if (c.bound == AgcConstraint::Bound::UPPER &&
- new_gain < gain) {
- LOG(RPiAgc, Debug) << "Upper bound constraint adopted";
- gain = new_gain, target_Y = new_target_Y;
- }
- }
- LOG(RPiAgc, Debug) << "Final gain " << gain << " (target_Y " << target_Y << " ev "
- << status_.ev << " base_ev " << config_.base_ev
- << ")";
-}
-
-void Agc::computeTargetExposure(double gain)
-{
- if (status_.fixed_shutter && status_.fixed_analogue_gain) {
- // When ag and shutter are both fixed, we need to drive the
- // total exposure so that we end up with a digital gain of at least
- // 1/min_colour_gain. Otherwise we'd desaturate channels causing
- // white to go cyan or magenta.
- double min_colour_gain = std::min({ awb_.gain_r, awb_.gain_g, awb_.gain_b, 1.0 });
- ASSERT(min_colour_gain != 0.0);
- target_.total_exposure =
- status_.fixed_shutter * status_.fixed_analogue_gain / min_colour_gain;
- } else {
- // The statistics reflect the image without digital gain, so the final
- // total exposure we're aiming for is:
- target_.total_exposure = current_.total_exposure_no_dg * gain;
- // The final target exposure is also limited to what the exposure
- // mode allows.
- Duration max_shutter = status_.fixed_shutter
- ? status_.fixed_shutter
- : exposure_mode_->shutter.back();
- max_shutter = clipShutter(max_shutter);
- Duration max_total_exposure =
- max_shutter *
- (status_.fixed_analogue_gain != 0.0
- ? status_.fixed_analogue_gain
- : exposure_mode_->gain.back());
- target_.total_exposure = std::min(target_.total_exposure,
- max_total_exposure);
- }
- LOG(RPiAgc, Debug) << "Target total_exposure " << target_.total_exposure;
-}
-
-bool Agc::applyDigitalGain(double gain, double target_Y)
-{
- double min_colour_gain = std::min({ awb_.gain_r, awb_.gain_g, awb_.gain_b, 1.0 });
- ASSERT(min_colour_gain != 0.0);
- double dg = 1.0 / min_colour_gain;
- // I think this pipeline subtracts black level and rescales before we
- // get the stats, so no need to worry about it.
- LOG(RPiAgc, Debug) << "after AWB, target dg " << dg << " gain " << gain
- << " target_Y " << target_Y;
- // Finally, if we're trying to reduce exposure but the target_Y is
- // "close" to 1.0, then the gain computed for that constraint will be
- // only slightly less than one, because the measured Y can never be
- // larger than 1.0. When this happens, demand a large digital gain so
- // that the exposure can be reduced, de-saturating the image much more
- // quickly (and we then approach the correct value more quickly from
- // below).
- bool desaturate = target_Y > config_.fast_reduce_threshold &&
- gain < sqrt(target_Y);
- if (desaturate)
- dg /= config_.fast_reduce_threshold;
- LOG(RPiAgc, Debug) << "Digital gain " << dg << " desaturate? " << desaturate;
- target_.total_exposure_no_dg = target_.total_exposure / dg;
- LOG(RPiAgc, Debug) << "Target total_exposure_no_dg " << target_.total_exposure_no_dg;
- return desaturate;
-}
-
-void Agc::filterExposure(bool desaturate)
-{
- double speed = config_.speed;
- // AGC adapts instantly if both shutter and gain are directly specified
- // or we're in the startup phase.
- if ((status_.fixed_shutter && status_.fixed_analogue_gain) ||
- frame_count_ <= config_.startup_frames)
- speed = 1.0;
- if (!filtered_.total_exposure) {
- filtered_.total_exposure = target_.total_exposure;
- filtered_.total_exposure_no_dg = target_.total_exposure_no_dg;
- } else {
- // If close to the result go faster, to save making so many
- // micro-adjustments on the way. (Make this customisable?)
- if (filtered_.total_exposure < 1.2 * target_.total_exposure &&
- filtered_.total_exposure > 0.8 * target_.total_exposure)
- speed = sqrt(speed);
- filtered_.total_exposure = speed * target_.total_exposure +
- filtered_.total_exposure * (1.0 - speed);
- // When desaturing, take a big jump down in exposure_no_dg,
- // which we'll hide with digital gain.
- if (desaturate)
- filtered_.total_exposure_no_dg =
- target_.total_exposure_no_dg;
- else
- filtered_.total_exposure_no_dg =
- speed * target_.total_exposure_no_dg +
- filtered_.total_exposure_no_dg * (1.0 - speed);
- }
- // We can't let the no_dg exposure deviate too far below the
- // total exposure, as there might not be enough digital gain available
- // in the ISP to hide it (which will cause nasty oscillation).
- if (filtered_.total_exposure_no_dg <
- filtered_.total_exposure * config_.fast_reduce_threshold)
- filtered_.total_exposure_no_dg = filtered_.total_exposure *
- config_.fast_reduce_threshold;
- LOG(RPiAgc, Debug) << "After filtering, total_exposure " << filtered_.total_exposure
- << " no dg " << filtered_.total_exposure_no_dg;
-}
-
-void Agc::divideUpExposure()
-{
- // Sending the fixed shutter/gain cases through the same code may seem
- // unnecessary, but it will make more sense when extend this to cover
- // variable aperture.
- Duration exposure_value = filtered_.total_exposure_no_dg;
- Duration shutter_time;
- double analogue_gain;
- shutter_time = status_.fixed_shutter
- ? status_.fixed_shutter
- : exposure_mode_->shutter[0];
- shutter_time = clipShutter(shutter_time);
- analogue_gain = status_.fixed_analogue_gain != 0.0
- ? status_.fixed_analogue_gain
- : exposure_mode_->gain[0];
- if (shutter_time * analogue_gain < exposure_value) {
- for (unsigned int stage = 1;
- stage < exposure_mode_->gain.size(); stage++) {
- if (!status_.fixed_shutter) {
- Duration stage_shutter =
- clipShutter(exposure_mode_->shutter[stage]);
- if (stage_shutter * analogue_gain >=
- exposure_value) {
- shutter_time =
- exposure_value / analogue_gain;
- break;
- }
- shutter_time = stage_shutter;
- }
- if (status_.fixed_analogue_gain == 0.0) {
- if (exposure_mode_->gain[stage] *
- shutter_time >=
- exposure_value) {
- analogue_gain =
- exposure_value / shutter_time;
- break;
- }
- analogue_gain = exposure_mode_->gain[stage];
- }
- }
- }
- LOG(RPiAgc, Debug) << "Divided up shutter and gain are " << shutter_time << " and "
- << analogue_gain;
- // Finally adjust shutter time for flicker avoidance (require both
- // shutter and gain not to be fixed).
- if (!status_.fixed_shutter && !status_.fixed_analogue_gain &&
- status_.flicker_period) {
- int flicker_periods = shutter_time / status_.flicker_period;
- if (flicker_periods) {
- Duration new_shutter_time = flicker_periods * status_.flicker_period;
- analogue_gain *= shutter_time / new_shutter_time;
- // We should still not allow the ag to go over the
- // largest value in the exposure mode. Note that this
- // may force more of the total exposure into the digital
- // gain as a side-effect.
- analogue_gain = std::min(analogue_gain,
- exposure_mode_->gain.back());
- shutter_time = new_shutter_time;
- }
- LOG(RPiAgc, Debug) << "After flicker avoidance, shutter "
- << shutter_time << " gain " << analogue_gain;
- }
- filtered_.shutter = shutter_time;
- filtered_.analogue_gain = analogue_gain;
-}
-
-void Agc::writeAndFinish(Metadata *image_metadata, bool desaturate)
-{
- status_.total_exposure_value = filtered_.total_exposure;
- status_.target_exposure_value = desaturate ? 0s : target_.total_exposure_no_dg;
- status_.shutter_time = filtered_.shutter;
- status_.analogue_gain = filtered_.analogue_gain;
- // Write to metadata as well, in case anyone wants to update the camera
- // immediately.
- image_metadata->Set("agc.status", status_);
- LOG(RPiAgc, Debug) << "Output written, total exposure requested is "
- << filtered_.total_exposure;
- LOG(RPiAgc, Debug) << "Camera exposure update: shutter time " << filtered_.shutter
- << " analogue gain " << filtered_.analogue_gain;
-}
-
-Duration Agc::clipShutter(Duration shutter)
-{
- if (max_shutter_)
- shutter = std::min(shutter, max_shutter_);
- return shutter;
-}
-
-// Register algorithm with the system.
-static Algorithm *Create(Controller *controller)
-{
- return (Algorithm *)new Agc(controller);
-}
-static RegisterAlgorithm reg(NAME, &Create);
diff --git a/src/ipa/raspberrypi/controller/rpi/agc.hpp b/src/ipa/raspberrypi/controller/rpi/agc.hpp
deleted file mode 100644
index c100d312..00000000
--- a/src/ipa/raspberrypi/controller/rpi/agc.hpp
+++ /dev/null
@@ -1,139 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * agc.hpp - AGC/AEC control algorithm
- */
-#pragma once
-
-#include <vector>
-#include <mutex>
-
-#include <libcamera/base/utils.h>
-
-#include "../agc_algorithm.hpp"
-#include "../agc_status.h"
-#include "../pwl.hpp"
-
-// This is our implementation of AGC.
-
-// This is the number actually set up by the firmware, not the maximum possible
-// number (which is 16).
-
-#define AGC_STATS_SIZE 15
-
-namespace RPiController {
-
-struct AgcMeteringMode {
- double weights[AGC_STATS_SIZE];
- void Read(boost::property_tree::ptree const &params);
-};
-
-struct AgcExposureMode {
- std::vector<libcamera::utils::Duration> shutter;
- std::vector<double> gain;
- void Read(boost::property_tree::ptree const &params);
-};
-
-struct AgcConstraint {
- enum class Bound { LOWER = 0, UPPER = 1 };
- Bound bound;
- double q_lo;
- double q_hi;
- Pwl Y_target;
- void Read(boost::property_tree::ptree const &params);
-};
-
-typedef std::vector<AgcConstraint> AgcConstraintMode;
-
-struct AgcConfig {
- void Read(boost::property_tree::ptree const &params);
- std::map<std::string, AgcMeteringMode> metering_modes;
- std::map<std::string, AgcExposureMode> exposure_modes;
- std::map<std::string, AgcConstraintMode> constraint_modes;
- Pwl Y_target;
- double speed;
- uint16_t startup_frames;
- unsigned int convergence_frames;
- double max_change;
- double min_change;
- double fast_reduce_threshold;
- double speed_up_threshold;
- std::string default_metering_mode;
- std::string default_exposure_mode;
- std::string default_constraint_mode;
- double base_ev;
- libcamera::utils::Duration default_exposure_time;
- double default_analogue_gain;
-};
-
-class Agc : public AgcAlgorithm
-{
-public:
- Agc(Controller *controller);
- char const *Name() const override;
- void Read(boost::property_tree::ptree const &params) override;
- // AGC handles "pausing" for itself.
- bool IsPaused() const override;
- void Pause() override;
- void Resume() override;
- unsigned int GetConvergenceFrames() const override;
- void SetEv(double ev) override;
- void SetFlickerPeriod(libcamera::utils::Duration flicker_period) override;
- void SetMaxShutter(libcamera::utils::Duration max_shutter) override;
- void SetFixedShutter(libcamera::utils::Duration fixed_shutter) override;
- void SetFixedAnalogueGain(double fixed_analogue_gain) override;
- void SetMeteringMode(std::string const &metering_mode_name) override;
- void SetExposureMode(std::string const &exposure_mode_name) override;
- void SetConstraintMode(std::string const &contraint_mode_name) override;
- void SwitchMode(CameraMode const &camera_mode, Metadata *metadata) override;
- void Prepare(Metadata *image_metadata) override;
- void Process(StatisticsPtr &stats, Metadata *image_metadata) override;
-
-private:
- void updateLockStatus(DeviceStatus const &device_status);
- AgcConfig config_;
- void housekeepConfig();
- void fetchCurrentExposure(Metadata *image_metadata);
- void fetchAwbStatus(Metadata *image_metadata);
- void computeGain(bcm2835_isp_stats *statistics, Metadata *image_metadata,
- double &gain, double &target_Y);
- void computeTargetExposure(double gain);
- bool applyDigitalGain(double gain, double target_Y);
- void filterExposure(bool desaturate);
- void divideUpExposure();
- void writeAndFinish(Metadata *image_metadata, bool desaturate);
- libcamera::utils::Duration clipShutter(libcamera::utils::Duration shutter);
- AgcMeteringMode *metering_mode_;
- AgcExposureMode *exposure_mode_;
- AgcConstraintMode *constraint_mode_;
- uint64_t frame_count_;
- AwbStatus awb_;
- struct ExposureValues {
- ExposureValues();
-
- libcamera::utils::Duration shutter;
- double analogue_gain;
- libcamera::utils::Duration total_exposure;
- libcamera::utils::Duration total_exposure_no_dg; // without digital gain
- };
- ExposureValues current_; // values for the current frame
- ExposureValues target_; // calculate the values we want here
- ExposureValues filtered_; // these values are filtered towards target
- AgcStatus status_;
- int lock_count_;
- DeviceStatus last_device_status_;
- libcamera::utils::Duration last_target_exposure_;
- double last_sensitivity_; // sensitivity of the previous camera mode
- // Below here the "settings" that applications can change.
- std::string metering_mode_name_;
- std::string exposure_mode_name_;
- std::string constraint_mode_name_;
- double ev_;
- libcamera::utils::Duration flicker_period_;
- libcamera::utils::Duration max_shutter_;
- libcamera::utils::Duration fixed_shutter_;
- double fixed_analogue_gain_;
-};
-
-} // namespace RPiController
diff --git a/src/ipa/raspberrypi/controller/rpi/alsc.cpp b/src/ipa/raspberrypi/controller/rpi/alsc.cpp
deleted file mode 100644
index e575c14a..00000000
--- a/src/ipa/raspberrypi/controller/rpi/alsc.cpp
+++ /dev/null
@@ -1,787 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * alsc.cpp - ALSC (auto lens shading correction) control algorithm
- */
-
-#include <math.h>
-#include <numeric>
-
-#include <libcamera/base/log.h>
-#include <libcamera/base/span.h>
-
-#include "../awb_status.h"
-#include "alsc.hpp"
-
-// Raspberry Pi ALSC (Auto Lens Shading Correction) algorithm.
-
-using namespace RPiController;
-using namespace libcamera;
-
-LOG_DEFINE_CATEGORY(RPiAlsc)
-
-#define NAME "rpi.alsc"
-
-static const int X = ALSC_CELLS_X;
-static const int Y = ALSC_CELLS_Y;
-static const int XY = X * Y;
-static const double INSUFFICIENT_DATA = -1.0;
-
-Alsc::Alsc(Controller *controller)
- : Algorithm(controller)
-{
- async_abort_ = async_start_ = async_started_ = async_finished_ = false;
- async_thread_ = std::thread(std::bind(&Alsc::asyncFunc, this));
-}
-
-Alsc::~Alsc()
-{
- {
- std::lock_guard<std::mutex> lock(mutex_);
- async_abort_ = true;
- }
- async_signal_.notify_one();
- async_thread_.join();
-}
-
-char const *Alsc::Name() const
-{
- return NAME;
-}
-
-static void generate_lut(double *lut, boost::property_tree::ptree const &params)
-{
- double cstrength = params.get<double>("corner_strength", 2.0);
- if (cstrength <= 1.0)
- throw std::runtime_error("Alsc: corner_strength must be > 1.0");
- double asymmetry = params.get<double>("asymmetry", 1.0);
- if (asymmetry < 0)
- throw std::runtime_error("Alsc: asymmetry must be >= 0");
- double f1 = cstrength - 1, f2 = 1 + sqrt(cstrength);
- double R2 = X * Y / 4 * (1 + asymmetry * asymmetry);
- int num = 0;
- for (int y = 0; y < Y; y++) {
- for (int x = 0; x < X; x++) {
- double dy = y - Y / 2 + 0.5,
- dx = (x - X / 2 + 0.5) * asymmetry;
- double r2 = (dx * dx + dy * dy) / R2;
- lut[num++] =
- (f1 * r2 + f2) * (f1 * r2 + f2) /
- (f2 * f2); // this reproduces the cos^4 rule
- }
- }
-}
-
-static void read_lut(double *lut, boost::property_tree::ptree const &params)
-{
- int num = 0;
- const int max_num = XY;
- for (auto &p : params) {
- if (num == max_num)
- throw std::runtime_error(
- "Alsc: too many entries in LSC table");
- lut[num++] = p.second.get_value<double>();
- }
- if (num < max_num)
- throw std::runtime_error("Alsc: too few entries in LSC table");
-}
-
-static void read_calibrations(std::vector<AlscCalibration> &calibrations,
- boost::property_tree::ptree const &params,
- std::string const &name)
-{
- if (params.get_child_optional(name)) {
- double last_ct = 0;
- for (auto &p : params.get_child(name)) {
- double ct = p.second.get<double>("ct");
- if (ct <= last_ct)
- throw std::runtime_error(
- "Alsc: entries in " + name +
- " must be in increasing ct order");
- AlscCalibration calibration;
- calibration.ct = last_ct = ct;
- boost::property_tree::ptree const &table =
- p.second.get_child("table");
- int num = 0;
- for (auto it = table.begin(); it != table.end(); it++) {
- if (num == XY)
- throw std::runtime_error(
- "Alsc: too many values for ct " +
- std::to_string(ct) + " in " +
- name);
- calibration.table[num++] =
- it->second.get_value<double>();
- }
- if (num != XY)
- throw std::runtime_error(
- "Alsc: too few values for ct " +
- std::to_string(ct) + " in " + name);
- calibrations.push_back(calibration);
- LOG(RPiAlsc, Debug)
- << "Read " << name << " calibration for ct " << ct;
- }
- }
-}
-
-void Alsc::Read(boost::property_tree::ptree const &params)
-{
- config_.frame_period = params.get<uint16_t>("frame_period", 12);
- config_.startup_frames = params.get<uint16_t>("startup_frames", 10);
- config_.speed = params.get<double>("speed", 0.05);
- double sigma = params.get<double>("sigma", 0.01);
- config_.sigma_Cr = params.get<double>("sigma_Cr", sigma);
- config_.sigma_Cb = params.get<double>("sigma_Cb", sigma);
- config_.min_count = params.get<double>("min_count", 10.0);
- config_.min_G = params.get<uint16_t>("min_G", 50);
- config_.omega = params.get<double>("omega", 1.3);
- config_.n_iter = params.get<uint32_t>("n_iter", X + Y);
- config_.luminance_strength =
- params.get<double>("luminance_strength", 1.0);
- for (int i = 0; i < XY; i++)
- config_.luminance_lut[i] = 1.0;
- if (params.get_child_optional("corner_strength"))
- generate_lut(config_.luminance_lut, params);
- else if (params.get_child_optional("luminance_lut"))
- read_lut(config_.luminance_lut,
- params.get_child("luminance_lut"));
- else
- LOG(RPiAlsc, Warning)
- << "no luminance table - assume unity everywhere";
- read_calibrations(config_.calibrations_Cr, params, "calibrations_Cr");
- read_calibrations(config_.calibrations_Cb, params, "calibrations_Cb");
- config_.default_ct = params.get<double>("default_ct", 4500.0);
- config_.threshold = params.get<double>("threshold", 1e-3);
- config_.lambda_bound = params.get<double>("lambda_bound", 0.05);
-}
-
-static double get_ct(Metadata *metadata, double default_ct);
-static void get_cal_table(double ct,
- std::vector<AlscCalibration> const &calibrations,
- double cal_table[XY]);
-static void resample_cal_table(double const cal_table_in[XY],
- CameraMode const &camera_mode,
- double cal_table_out[XY]);
-static void compensate_lambdas_for_cal(double const cal_table[XY],
- double const old_lambdas[XY],
- double new_lambdas[XY]);
-static void add_luminance_to_tables(double results[3][Y][X],
- double const lambda_r[XY], double lambda_g,
- double const lambda_b[XY],
- double const luminance_lut[XY],
- double luminance_strength);
-
-void Alsc::Initialise()
-{
- frame_count2_ = frame_count_ = frame_phase_ = 0;
- first_time_ = true;
- ct_ = config_.default_ct;
- // The lambdas are initialised in the SwitchMode.
-}
-
-void Alsc::waitForAysncThread()
-{
- if (async_started_) {
- async_started_ = false;
- std::unique_lock<std::mutex> lock(mutex_);
- sync_signal_.wait(lock, [&] {
- return async_finished_;
- });
- async_finished_ = false;
- }
-}
-
-static bool compare_modes(CameraMode const &cm0, CameraMode const &cm1)
-{
- // Return true if the modes crop from the sensor significantly differently,
- // or if the user transform has changed.
- if (cm0.transform != cm1.transform)
- return true;
- int left_diff = abs(cm0.crop_x - cm1.crop_x);
- int top_diff = abs(cm0.crop_y - cm1.crop_y);
- int right_diff = fabs(cm0.crop_x + cm0.scale_x * cm0.width -
- cm1.crop_x - cm1.scale_x * cm1.width);
- int bottom_diff = fabs(cm0.crop_y + cm0.scale_y * cm0.height -
- cm1.crop_y - cm1.scale_y * cm1.height);
- // These thresholds are a rather arbitrary amount chosen to trigger
- // when carrying on with the previously calculated tables might be
- // worse than regenerating them (but without the adaptive algorithm).
- int threshold_x = cm0.sensor_width >> 4;
- int threshold_y = cm0.sensor_height >> 4;
- return left_diff > threshold_x || right_diff > threshold_x ||
- top_diff > threshold_y || bottom_diff > threshold_y;
-}
-
-void Alsc::SwitchMode(CameraMode const &camera_mode,
- [[maybe_unused]] Metadata *metadata)
-{
- // We're going to start over with the tables if there's any "significant"
- // change.
- bool reset_tables = first_time_ || compare_modes(camera_mode_, camera_mode);
-
- // Believe the colour temperature from the AWB, if there is one.
- ct_ = get_ct(metadata, ct_);
-
- // Ensure the other thread isn't running while we do this.
- waitForAysncThread();
-
- camera_mode_ = camera_mode;
-
- // We must resample the luminance table like we do the others, but it's
- // fixed so we can simply do it up front here.
- resample_cal_table(config_.luminance_lut, camera_mode_, luminance_table_);
-
- if (reset_tables) {
- // Upon every "table reset", arrange for something sensible to be
- // generated. Construct the tables for the previous recorded colour
- // temperature. In order to start over from scratch we initialise
- // the lambdas, but the rest of this code then echoes the code in
- // doAlsc, without the adaptive algorithm.
- for (int i = 0; i < XY; i++)
- lambda_r_[i] = lambda_b_[i] = 1.0;
- double cal_table_r[XY], cal_table_b[XY], cal_table_tmp[XY];
- get_cal_table(ct_, config_.calibrations_Cr, cal_table_tmp);
- resample_cal_table(cal_table_tmp, camera_mode_, cal_table_r);
- get_cal_table(ct_, config_.calibrations_Cb, cal_table_tmp);
- resample_cal_table(cal_table_tmp, camera_mode_, cal_table_b);
- compensate_lambdas_for_cal(cal_table_r, lambda_r_,
- async_lambda_r_);
- compensate_lambdas_for_cal(cal_table_b, lambda_b_,
- async_lambda_b_);
- add_luminance_to_tables(sync_results_, async_lambda_r_, 1.0,
- async_lambda_b_, luminance_table_,
- config_.luminance_strength);
- memcpy(prev_sync_results_, sync_results_,
- sizeof(prev_sync_results_));
- frame_phase_ = config_.frame_period; // run the algo again asap
- first_time_ = false;
- }
-}
-
-void Alsc::fetchAsyncResults()
-{
- LOG(RPiAlsc, Debug) << "Fetch ALSC results";
- async_finished_ = false;
- async_started_ = false;
- memcpy(sync_results_, async_results_, sizeof(sync_results_));
-}
-
-double get_ct(Metadata *metadata, double default_ct)
-{
- AwbStatus awb_status;
- awb_status.temperature_K = default_ct; // in case nothing found
- if (metadata->Get("awb.status", awb_status) != 0)
- LOG(RPiAlsc, Debug) << "no AWB results found, using "
- << awb_status.temperature_K;
- else
- LOG(RPiAlsc, Debug) << "AWB results found, using "
- << awb_status.temperature_K;
- return awb_status.temperature_K;
-}
-
-static void copy_stats(bcm2835_isp_stats_region regions[XY], StatisticsPtr &stats,
- AlscStatus const &status)
-{
- bcm2835_isp_stats_region *input_regions = stats->awb_stats;
- double *r_table = (double *)status.r;
- double *g_table = (double *)status.g;
- double *b_table = (double *)status.b;
- for (int i = 0; i < XY; i++) {
- regions[i].r_sum = input_regions[i].r_sum / r_table[i];
- regions[i].g_sum = input_regions[i].g_sum / g_table[i];
- regions[i].b_sum = input_regions[i].b_sum / b_table[i];
- regions[i].counted = input_regions[i].counted;
- // (don't care about the uncounted value)
- }
-}
-
-void Alsc::restartAsync(StatisticsPtr &stats, Metadata *image_metadata)
-{
- LOG(RPiAlsc, Debug) << "Starting ALSC calculation";
- // Get the current colour temperature. It's all we need from the
- // metadata. Default to the last CT value (which could be the default).
- ct_ = get_ct(image_metadata, ct_);
- // We have to copy the statistics here, dividing out our best guess of
- // the LSC table that the pipeline applied to them.
- AlscStatus alsc_status;
- if (image_metadata->Get("alsc.status", alsc_status) != 0) {
- LOG(RPiAlsc, Warning)
- << "No ALSC status found for applied gains!";
- for (int y = 0; y < Y; y++)
- for (int x = 0; x < X; x++) {
- alsc_status.r[y][x] = 1.0;
- alsc_status.g[y][x] = 1.0;
- alsc_status.b[y][x] = 1.0;
- }
- }
- copy_stats(statistics_, stats, alsc_status);
- frame_phase_ = 0;
- async_started_ = true;
- {
- std::lock_guard<std::mutex> lock(mutex_);
- async_start_ = true;
- }
- async_signal_.notify_one();
-}
-
-void Alsc::Prepare(Metadata *image_metadata)
-{
- // Count frames since we started, and since we last poked the async
- // thread.
- if (frame_count_ < (int)config_.startup_frames)
- frame_count_++;
- double speed = frame_count_ < (int)config_.startup_frames
- ? 1.0
- : config_.speed;
- LOG(RPiAlsc, Debug)
- << "frame_count " << frame_count_ << " speed " << speed;
- {
- std::unique_lock<std::mutex> lock(mutex_);
- if (async_started_ && async_finished_)
- fetchAsyncResults();
- }
- // Apply IIR filter to results and program into the pipeline.
- double *ptr = (double *)sync_results_,
- *pptr = (double *)prev_sync_results_;
- for (unsigned int i = 0;
- i < sizeof(sync_results_) / sizeof(double); i++)
- pptr[i] = speed * ptr[i] + (1.0 - speed) * pptr[i];
- // Put output values into status metadata.
- AlscStatus status;
- memcpy(status.r, prev_sync_results_[0], sizeof(status.r));
- memcpy(status.g, prev_sync_results_[1], sizeof(status.g));
- memcpy(status.b, prev_sync_results_[2], sizeof(status.b));
- image_metadata->Set("alsc.status", status);
-}
-
-void Alsc::Process(StatisticsPtr &stats, Metadata *image_metadata)
-{
- // Count frames since we started, and since we last poked the async
- // thread.
- if (frame_phase_ < (int)config_.frame_period)
- frame_phase_++;
- if (frame_count2_ < (int)config_.startup_frames)
- frame_count2_++;
- LOG(RPiAlsc, Debug) << "frame_phase " << frame_phase_;
- if (frame_phase_ >= (int)config_.frame_period ||
- frame_count2_ < (int)config_.startup_frames) {
- if (async_started_ == false)
- restartAsync(stats, image_metadata);
- }
-}
-
-void Alsc::asyncFunc()
-{
- while (true) {
- {
- std::unique_lock<std::mutex> lock(mutex_);
- async_signal_.wait(lock, [&] {
- return async_start_ || async_abort_;
- });
- async_start_ = false;
- if (async_abort_)
- break;
- }
- doAlsc();
- {
- std::lock_guard<std::mutex> lock(mutex_);
- async_finished_ = true;
- }
- sync_signal_.notify_one();
- }
-}
-
-void get_cal_table(double ct, std::vector<AlscCalibration> const &calibrations,
- double cal_table[XY])
-{
- if (calibrations.empty()) {
- for (int i = 0; i < XY; i++)
- cal_table[i] = 1.0;
- LOG(RPiAlsc, Debug) << "no calibrations found";
- } else if (ct <= calibrations.front().ct) {
- memcpy(cal_table, calibrations.front().table,
- XY * sizeof(double));
- LOG(RPiAlsc, Debug) << "using calibration for "
- << calibrations.front().ct;
- } else if (ct >= calibrations.back().ct) {
- memcpy(cal_table, calibrations.back().table,
- XY * sizeof(double));
- LOG(RPiAlsc, Debug) << "using calibration for "
- << calibrations.back().ct;
- } else {
- int idx = 0;
- while (ct > calibrations[idx + 1].ct)
- idx++;
- double ct0 = calibrations[idx].ct,
- ct1 = calibrations[idx + 1].ct;
- LOG(RPiAlsc, Debug)
- << "ct is " << ct << ", interpolating between "
- << ct0 << " and " << ct1;
- for (int i = 0; i < XY; i++)
- cal_table[i] =
- (calibrations[idx].table[i] * (ct1 - ct) +
- calibrations[idx + 1].table[i] * (ct - ct0)) /
- (ct1 - ct0);
- }
-}
-
-void resample_cal_table(double const cal_table_in[XY],
- CameraMode const &camera_mode, double cal_table_out[XY])
-{
- // Precalculate and cache the x sampling locations and phases to save
- // recomputing them on every row.
- int x_lo[X], x_hi[X];
- double xf[X];
- double scale_x = camera_mode.sensor_width /
- (camera_mode.width * camera_mode.scale_x);
- double x_off = camera_mode.crop_x / (double)camera_mode.sensor_width;
- double x = .5 / scale_x + x_off * X - .5;
- double x_inc = 1 / scale_x;
- for (int i = 0; i < X; i++, x += x_inc) {
- x_lo[i] = floor(x);
- xf[i] = x - x_lo[i];
- x_hi[i] = std::min(x_lo[i] + 1, X - 1);
- x_lo[i] = std::max(x_lo[i], 0);
- if (!!(camera_mode.transform & libcamera::Transform::HFlip)) {
- x_lo[i] = X - 1 - x_lo[i];
- x_hi[i] = X - 1 - x_hi[i];
- }
- }
- // Now march over the output table generating the new values.
- double scale_y = camera_mode.sensor_height /
- (camera_mode.height * camera_mode.scale_y);
- double y_off = camera_mode.crop_y / (double)camera_mode.sensor_height;
- double y = .5 / scale_y + y_off * Y - .5;
- double y_inc = 1 / scale_y;
- for (int j = 0; j < Y; j++, y += y_inc) {
- int y_lo = floor(y);
- double yf = y - y_lo;
- int y_hi = std::min(y_lo + 1, Y - 1);
- y_lo = std::max(y_lo, 0);
- if (!!(camera_mode.transform & libcamera::Transform::VFlip)) {
- y_lo = Y - 1 - y_lo;
- y_hi = Y - 1 - y_hi;
- }
- double const *row_above = cal_table_in + X * y_lo;
- double const *row_below = cal_table_in + X * y_hi;
- for (int i = 0; i < X; i++) {
- double above = row_above[x_lo[i]] * (1 - xf[i]) +
- row_above[x_hi[i]] * xf[i];
- double below = row_below[x_lo[i]] * (1 - xf[i]) +
- row_below[x_hi[i]] * xf[i];
- *(cal_table_out++) = above * (1 - yf) + below * yf;
- }
- }
-}
-
-// Calculate chrominance statistics (R/G and B/G) for each region.
-static_assert(XY == AWB_REGIONS, "ALSC/AWB statistics region mismatch");
-static void calculate_Cr_Cb(bcm2835_isp_stats_region *awb_region, double Cr[XY],
- double Cb[XY], uint32_t min_count, uint16_t min_G)
-{
- for (int i = 0; i < XY; i++) {
- bcm2835_isp_stats_region &zone = awb_region[i];
- if (zone.counted <= min_count ||
- zone.g_sum / zone.counted <= min_G) {
- Cr[i] = Cb[i] = INSUFFICIENT_DATA;
- continue;
- }
- Cr[i] = zone.r_sum / (double)zone.g_sum;
- Cb[i] = zone.b_sum / (double)zone.g_sum;
- }
-}
-
-static void apply_cal_table(double const cal_table[XY], double C[XY])
-{
- for (int i = 0; i < XY; i++)
- if (C[i] != INSUFFICIENT_DATA)
- C[i] *= cal_table[i];
-}
-
-void compensate_lambdas_for_cal(double const cal_table[XY],
- double const old_lambdas[XY],
- double new_lambdas[XY])
-{
- double min_new_lambda = std::numeric_limits<double>::max();
- for (int i = 0; i < XY; i++) {
- new_lambdas[i] = old_lambdas[i] * cal_table[i];
- min_new_lambda = std::min(min_new_lambda, new_lambdas[i]);
- }
- for (int i = 0; i < XY; i++)
- new_lambdas[i] /= min_new_lambda;
-}
-
-[[maybe_unused]] static void print_cal_table(double const C[XY])
-{
- printf("table: [\n");
- for (int j = 0; j < Y; j++) {
- for (int i = 0; i < X; i++) {
- printf("%5.3f", 1.0 / C[j * X + i]);
- if (i != X - 1 || j != Y - 1)
- printf(",");
- }
- printf("\n");
- }
- printf("]\n");
-}
-
-// Compute weight out of 1.0 which reflects how similar we wish to make the
-// colours of these two regions.
-static double compute_weight(double C_i, double C_j, double sigma)
-{
- if (C_i == INSUFFICIENT_DATA || C_j == INSUFFICIENT_DATA)
- return 0;
- double diff = (C_i - C_j) / sigma;
- return exp(-diff * diff / 2);
-}
-
-// Compute all weights.
-static void compute_W(double const C[XY], double sigma, double W[XY][4])
-{
- for (int i = 0; i < XY; i++) {
- // Start with neighbour above and go clockwise.
- W[i][0] = i >= X ? compute_weight(C[i], C[i - X], sigma) : 0;
- W[i][1] = i % X < X - 1 ? compute_weight(C[i], C[i + 1], sigma)
- : 0;
- W[i][2] =
- i < XY - X ? compute_weight(C[i], C[i + X], sigma) : 0;
- W[i][3] = i % X ? compute_weight(C[i], C[i - 1], sigma) : 0;
- }
-}
-
-// Compute M, the large but sparse matrix such that M * lambdas = 0.
-static void construct_M(double const C[XY], double const W[XY][4],
- double M[XY][4])
-{
- double epsilon = 0.001;
- for (int i = 0; i < XY; i++) {
- // Note how, if C[i] == INSUFFICIENT_DATA, the weights will all
- // be zero so the equation is still set up correctly.
- int m = !!(i >= X) + !!(i % X < X - 1) + !!(i < XY - X) +
- !!(i % X); // total number of neighbours
- // we'll divide the diagonal out straight away
- double diagonal =
- (epsilon + W[i][0] + W[i][1] + W[i][2] + W[i][3]) *
- C[i];
- M[i][0] = i >= X ? (W[i][0] * C[i - X] + epsilon / m * C[i]) /
- diagonal
- : 0;
- M[i][1] = i % X < X - 1
- ? (W[i][1] * C[i + 1] + epsilon / m * C[i]) /
- diagonal
- : 0;
- M[i][2] = i < XY - X
- ? (W[i][2] * C[i + X] + epsilon / m * C[i]) /
- diagonal
- : 0;
- M[i][3] = i % X ? (W[i][3] * C[i - 1] + epsilon / m * C[i]) /
- diagonal
- : 0;
- }
-}
-
-// In the compute_lambda_ functions, note that the matrix coefficients for the
-// left/right neighbours are zero down the left/right edges, so we don't need
-// need to test the i value to exclude them.
-static double compute_lambda_bottom(int i, double const M[XY][4],
- double lambda[XY])
-{
- return M[i][1] * lambda[i + 1] + M[i][2] * lambda[i + X] +
- M[i][3] * lambda[i - 1];
-}
-static double compute_lambda_bottom_start(int i, double const M[XY][4],
- double lambda[XY])
-{
- return M[i][1] * lambda[i + 1] + M[i][2] * lambda[i + X];
-}
-static double compute_lambda_interior(int i, double const M[XY][4],
- double lambda[XY])
-{
- return M[i][0] * lambda[i - X] + M[i][1] * lambda[i + 1] +
- M[i][2] * lambda[i + X] + M[i][3] * lambda[i - 1];
-}
-static double compute_lambda_top(int i, double const M[XY][4],
- double lambda[XY])
-{
- return M[i][0] * lambda[i - X] + M[i][1] * lambda[i + 1] +
- M[i][3] * lambda[i - 1];
-}
-static double compute_lambda_top_end(int i, double const M[XY][4],
- double lambda[XY])
-{
- return M[i][0] * lambda[i - X] + M[i][3] * lambda[i - 1];
-}
-
-// Gauss-Seidel iteration with over-relaxation.
-static double gauss_seidel2_SOR(double const M[XY][4], double omega,
- double lambda[XY], double lambda_bound)
-{
- const double min = 1 - lambda_bound, max = 1 + lambda_bound;
- double old_lambda[XY];
- int i;
- for (i = 0; i < XY; i++)
- old_lambda[i] = lambda[i];
- lambda[0] = compute_lambda_bottom_start(0, M, lambda);
- lambda[0] = std::clamp(lambda[0], min, max);
- for (i = 1; i < X; i++) {
- lambda[i] = compute_lambda_bottom(i, M, lambda);
- lambda[i] = std::clamp(lambda[i], min, max);
- }
- for (; i < XY - X; i++) {
- lambda[i] = compute_lambda_interior(i, M, lambda);
- lambda[i] = std::clamp(lambda[i], min, max);
- }
- for (; i < XY - 1; i++) {
- lambda[i] = compute_lambda_top(i, M, lambda);
- lambda[i] = std::clamp(lambda[i], min, max);
- }
- lambda[i] = compute_lambda_top_end(i, M, lambda);
- lambda[i] = std::clamp(lambda[i], min, max);
- // Also solve the system from bottom to top, to help spread the updates
- // better.
- lambda[i] = compute_lambda_top_end(i, M, lambda);
- lambda[i] = std::clamp(lambda[i], min, max);
- for (i = XY - 2; i >= XY - X; i--) {
- lambda[i] = compute_lambda_top(i, M, lambda);
- lambda[i] = std::clamp(lambda[i], min, max);
- }
- for (; i >= X; i--) {
- lambda[i] = compute_lambda_interior(i, M, lambda);
- lambda[i] = std::clamp(lambda[i], min, max);
- }
- for (; i >= 1; i--) {
- lambda[i] = compute_lambda_bottom(i, M, lambda);
- lambda[i] = std::clamp(lambda[i], min, max);
- }
- lambda[0] = compute_lambda_bottom_start(0, M, lambda);
- lambda[0] = std::clamp(lambda[0], min, max);
- double max_diff = 0;
- for (i = 0; i < XY; i++) {
- lambda[i] = old_lambda[i] + (lambda[i] - old_lambda[i]) * omega;
- if (fabs(lambda[i] - old_lambda[i]) > fabs(max_diff))
- max_diff = lambda[i] - old_lambda[i];
- }
- return max_diff;
-}
-
-// Normalise the values so that the smallest value is 1.
-static void normalise(double *ptr, size_t n)
-{
- double minval = ptr[0];
- for (size_t i = 1; i < n; i++)
- minval = std::min(minval, ptr[i]);
- for (size_t i = 0; i < n; i++)
- ptr[i] /= minval;
-}
-
-// Rescale the values so that the average value is 1.
-static void reaverage(Span<double> data)
-{
- double sum = std::accumulate(data.begin(), data.end(), 0.0);
- double ratio = 1 / (sum / data.size());
- for (double &d : data)
- d *= ratio;
-}
-
-static void run_matrix_iterations(double const C[XY], double lambda[XY],
- double const W[XY][4], double omega,
- int n_iter, double threshold, double lambda_bound)
-{
- double M[XY][4];
- construct_M(C, W, M);
- double last_max_diff = std::numeric_limits<double>::max();
- for (int i = 0; i < n_iter; i++) {
- double max_diff = fabs(gauss_seidel2_SOR(M, omega, lambda, lambda_bound));
- if (max_diff < threshold) {
- LOG(RPiAlsc, Debug)
- << "Stop after " << i + 1 << " iterations";
- break;
- }
- // this happens very occasionally (so make a note), though
- // doesn't seem to matter
- if (max_diff > last_max_diff)
- LOG(RPiAlsc, Debug)
- << "Iteration " << i << ": max_diff gone up "
- << last_max_diff << " to " << max_diff;
- last_max_diff = max_diff;
- }
- // We're going to normalise the lambdas so the total average is 1.
- reaverage({ lambda, XY });
-}
-
-static void add_luminance_rb(double result[XY], double const lambda[XY],
- double const luminance_lut[XY],
- double luminance_strength)
-{
- for (int i = 0; i < XY; i++)
- result[i] = lambda[i] *
- ((luminance_lut[i] - 1) * luminance_strength + 1);
-}
-
-static void add_luminance_g(double result[XY], double lambda,
- double const luminance_lut[XY],
- double luminance_strength)
-{
- for (int i = 0; i < XY; i++)
- result[i] = lambda *
- ((luminance_lut[i] - 1) * luminance_strength + 1);
-}
-
-void add_luminance_to_tables(double results[3][Y][X], double const lambda_r[XY],
- double lambda_g, double const lambda_b[XY],
- double const luminance_lut[XY],
- double luminance_strength)
-{
- add_luminance_rb((double *)results[0], lambda_r, luminance_lut,
- luminance_strength);
- add_luminance_g((double *)results[1], lambda_g, luminance_lut,
- luminance_strength);
- add_luminance_rb((double *)results[2], lambda_b, luminance_lut,
- luminance_strength);
- normalise((double *)results, 3 * XY);
-}
-
-void Alsc::doAlsc()
-{
- double Cr[XY], Cb[XY], Wr[XY][4], Wb[XY][4], cal_table_r[XY],
- cal_table_b[XY], cal_table_tmp[XY];
- // Calculate our R/B ("Cr"/"Cb") colour statistics, and assess which are
- // usable.
- calculate_Cr_Cb(statistics_, Cr, Cb, config_.min_count, config_.min_G);
- // Fetch the new calibrations (if any) for this CT. Resample them in
- // case the camera mode is not full-frame.
- get_cal_table(ct_, config_.calibrations_Cr, cal_table_tmp);
- resample_cal_table(cal_table_tmp, camera_mode_, cal_table_r);
- get_cal_table(ct_, config_.calibrations_Cb, cal_table_tmp);
- resample_cal_table(cal_table_tmp, camera_mode_, cal_table_b);
- // You could print out the cal tables for this image here, if you're
- // tuning the algorithm...
- // Apply any calibration to the statistics, so the adaptive algorithm
- // makes only the extra adjustments.
- apply_cal_table(cal_table_r, Cr);
- apply_cal_table(cal_table_b, Cb);
- // Compute weights between zones.
- compute_W(Cr, config_.sigma_Cr, Wr);
- compute_W(Cb, config_.sigma_Cb, Wb);
- // Run Gauss-Seidel iterations over the resulting matrix, for R and B.
- run_matrix_iterations(Cr, lambda_r_, Wr, config_.omega, config_.n_iter,
- config_.threshold, config_.lambda_bound);
- run_matrix_iterations(Cb, lambda_b_, Wb, config_.omega, config_.n_iter,
- config_.threshold, config_.lambda_bound);
- // Fold the calibrated gains into our final lambda values. (Note that on
- // the next run, we re-start with the lambda values that don't have the
- // calibration gains included.)
- compensate_lambdas_for_cal(cal_table_r, lambda_r_, async_lambda_r_);
- compensate_lambdas_for_cal(cal_table_b, lambda_b_, async_lambda_b_);
- // Fold in the luminance table at the appropriate strength.
- add_luminance_to_tables(async_results_, async_lambda_r_, 1.0,
- async_lambda_b_, luminance_table_,
- config_.luminance_strength);
-}
-
-// Register algorithm with the system.
-static Algorithm *Create(Controller *controller)
-{
- return (Algorithm *)new Alsc(controller);
-}
-static RegisterAlgorithm reg(NAME, &Create);
diff --git a/src/ipa/raspberrypi/controller/rpi/alsc.hpp b/src/ipa/raspberrypi/controller/rpi/alsc.hpp
deleted file mode 100644
index d1dbe0d1..00000000
--- a/src/ipa/raspberrypi/controller/rpi/alsc.hpp
+++ /dev/null
@@ -1,106 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * alsc.hpp - ALSC (auto lens shading correction) control algorithm
- */
-#pragma once
-
-#include <mutex>
-#include <condition_variable>
-#include <thread>
-
-#include "../algorithm.hpp"
-#include "../alsc_status.h"
-
-namespace RPiController {
-
-// Algorithm to generate automagic LSC (Lens Shading Correction) tables.
-
-struct AlscCalibration {
- double ct;
- double table[ALSC_CELLS_X * ALSC_CELLS_Y];
-};
-
-struct AlscConfig {
- // Only repeat the ALSC calculation every "this many" frames
- uint16_t frame_period;
- // number of initial frames for which speed taken as 1.0 (maximum)
- uint16_t startup_frames;
- // IIR filter speed applied to algorithm results
- double speed;
- double sigma_Cr;
- double sigma_Cb;
- double min_count;
- uint16_t min_G;
- double omega;
- uint32_t n_iter;
- double luminance_lut[ALSC_CELLS_X * ALSC_CELLS_Y];
- double luminance_strength;
- std::vector<AlscCalibration> calibrations_Cr;
- std::vector<AlscCalibration> calibrations_Cb;
- double default_ct; // colour temperature if no metadata found
- double threshold; // iteration termination threshold
- double lambda_bound; // upper/lower bound for lambda from a value of 1
-};
-
-class Alsc : public Algorithm
-{
-public:
- Alsc(Controller *controller = NULL);
- ~Alsc();
- char const *Name() const override;
- void Initialise() override;
- void SwitchMode(CameraMode const &camera_mode, Metadata *metadata) override;
- void Read(boost::property_tree::ptree const &params) override;
- void Prepare(Metadata *image_metadata) override;
- void Process(StatisticsPtr &stats, Metadata *image_metadata) override;
-
-private:
- // configuration is read-only, and available to both threads
- AlscConfig config_;
- bool first_time_;
- CameraMode camera_mode_;
- double luminance_table_[ALSC_CELLS_X * ALSC_CELLS_Y];
- std::thread async_thread_;
- void asyncFunc(); // asynchronous thread function
- std::mutex mutex_;
- // condvar for async thread to wait on
- std::condition_variable async_signal_;
- // condvar for synchronous thread to wait on
- std::condition_variable sync_signal_;
- // for sync thread to check if async thread finished (requires mutex)
- bool async_finished_;
- // for async thread to check if it's been told to run (requires mutex)
- bool async_start_;
- // for async thread to check if it's been told to quit (requires mutex)
- bool async_abort_;
-
- // The following are only for the synchronous thread to use:
- // for sync thread to note its has asked async thread to run
- bool async_started_;
- // counts up to frame_period before restarting the async thread
- int frame_phase_;
- // counts up to startup_frames
- int frame_count_;
- // counts up to startup_frames for Process function
- int frame_count2_;
- double sync_results_[3][ALSC_CELLS_Y][ALSC_CELLS_X];
- double prev_sync_results_[3][ALSC_CELLS_Y][ALSC_CELLS_X];
- void waitForAysncThread();
- // The following are for the asynchronous thread to use, though the main
- // thread can set/reset them if the async thread is known to be idle:
- void restartAsync(StatisticsPtr &stats, Metadata *image_metadata);
- // copy out the results from the async thread so that it can be restarted
- void fetchAsyncResults();
- double ct_;
- bcm2835_isp_stats_region statistics_[ALSC_CELLS_Y * ALSC_CELLS_X];
- double async_results_[3][ALSC_CELLS_Y][ALSC_CELLS_X];
- double async_lambda_r_[ALSC_CELLS_X * ALSC_CELLS_Y];
- double async_lambda_b_[ALSC_CELLS_X * ALSC_CELLS_Y];
- void doAlsc();
- double lambda_r_[ALSC_CELLS_X * ALSC_CELLS_Y];
- double lambda_b_[ALSC_CELLS_X * ALSC_CELLS_Y];
-};
-
-} // namespace RPiController
diff --git a/src/ipa/raspberrypi/controller/rpi/awb.cpp b/src/ipa/raspberrypi/controller/rpi/awb.cpp
deleted file mode 100644
index d4c93447..00000000
--- a/src/ipa/raspberrypi/controller/rpi/awb.cpp
+++ /dev/null
@@ -1,667 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * awb.cpp - AWB control algorithm
- */
-
-#include <libcamera/base/log.h>
-
-#include "../lux_status.h"
-
-#include "awb.hpp"
-
-using namespace RPiController;
-using namespace libcamera;
-
-LOG_DEFINE_CATEGORY(RPiAwb)
-
-#define NAME "rpi.awb"
-
-#define AWB_STATS_SIZE_X DEFAULT_AWB_REGIONS_X
-#define AWB_STATS_SIZE_Y DEFAULT_AWB_REGIONS_Y
-
-// todo - the locking in this algorithm needs some tidying up as has been done
-// elsewhere (ALSC and AGC).
-
-void AwbMode::Read(boost::property_tree::ptree const &params)
-{
- ct_lo = params.get<double>("lo");
- ct_hi = params.get<double>("hi");
-}
-
-void AwbPrior::Read(boost::property_tree::ptree const &params)
-{
- lux = params.get<double>("lux");
- prior.Read(params.get_child("prior"));
-}
-
-static void read_ct_curve(Pwl &ct_r, Pwl &ct_b,
- boost::property_tree::ptree const &params)
-{
- int num = 0;
- for (auto it = params.begin(); it != params.end(); it++) {
- double ct = it->second.get_value<double>();
- assert(it == params.begin() || ct != ct_r.Domain().end);
- if (++it == params.end())
- throw std::runtime_error(
- "AwbConfig: incomplete CT curve entry");
- ct_r.Append(ct, it->second.get_value<double>());
- if (++it == params.end())
- throw std::runtime_error(
- "AwbConfig: incomplete CT curve entry");
- ct_b.Append(ct, it->second.get_value<double>());
- num++;
- }
- if (num < 2)
- throw std::runtime_error(
- "AwbConfig: insufficient points in CT curve");
-}
-
-void AwbConfig::Read(boost::property_tree::ptree const &params)
-{
- bayes = params.get<int>("bayes", 1);
- frame_period = params.get<uint16_t>("frame_period", 10);
- startup_frames = params.get<uint16_t>("startup_frames", 10);
- convergence_frames = params.get<unsigned int>("convergence_frames", 3);
- speed = params.get<double>("speed", 0.05);
- if (params.get_child_optional("ct_curve"))
- read_ct_curve(ct_r, ct_b, params.get_child("ct_curve"));
- if (params.get_child_optional("priors")) {
- for (auto &p : params.get_child("priors")) {
- AwbPrior prior;
- prior.Read(p.second);
- if (!priors.empty() && prior.lux <= priors.back().lux)
- throw std::runtime_error(
- "AwbConfig: Prior must be ordered in increasing lux value");
- priors.push_back(prior);
- }
- if (priors.empty())
- throw std::runtime_error(
- "AwbConfig: no AWB priors configured");
- }
- if (params.get_child_optional("modes")) {
- for (auto &p : params.get_child("modes")) {
- modes[p.first].Read(p.second);
- if (default_mode == nullptr)
- default_mode = &modes[p.first];
- }
- if (default_mode == nullptr)
- throw std::runtime_error(
- "AwbConfig: no AWB modes configured");
- }
- min_pixels = params.get<double>("min_pixels", 16.0);
- min_G = params.get<uint16_t>("min_G", 32);
- min_regions = params.get<uint32_t>("min_regions", 10);
- delta_limit = params.get<double>("delta_limit", 0.2);
- coarse_step = params.get<double>("coarse_step", 0.2);
- transverse_pos = params.get<double>("transverse_pos", 0.01);
- transverse_neg = params.get<double>("transverse_neg", 0.01);
- if (transverse_pos <= 0 || transverse_neg <= 0)
- throw std::runtime_error(
- "AwbConfig: transverse_pos/neg must be > 0");
- sensitivity_r = params.get<double>("sensitivity_r", 1.0);
- sensitivity_b = params.get<double>("sensitivity_b", 1.0);
- if (bayes) {
- if (ct_r.Empty() || ct_b.Empty() || priors.empty() ||
- default_mode == nullptr) {
- LOG(RPiAwb, Warning)
- << "Bayesian AWB mis-configured - switch to Grey method";
- bayes = false;
- }
- }
- fast = params.get<int>(
- "fast", bayes); // default to fast for Bayesian, otherwise slow
- whitepoint_r = params.get<double>("whitepoint_r", 0.0);
- whitepoint_b = params.get<double>("whitepoint_b", 0.0);
- if (bayes == false)
- sensitivity_r = sensitivity_b =
- 1.0; // nor do sensitivities make any sense
-}
-
-Awb::Awb(Controller *controller)
- : AwbAlgorithm(controller)
-{
- async_abort_ = async_start_ = async_started_ = async_finished_ = false;
- mode_ = nullptr;
- manual_r_ = manual_b_ = 0.0;
- first_switch_mode_ = true;
- async_thread_ = std::thread(std::bind(&Awb::asyncFunc, this));
-}
-
-Awb::~Awb()
-{
- {
- std::lock_guard<std::mutex> lock(mutex_);
- async_abort_ = true;
- }
- async_signal_.notify_one();
- async_thread_.join();
-}
-
-char const *Awb::Name() const
-{
- return NAME;
-}
-
-void Awb::Read(boost::property_tree::ptree const &params)
-{
- config_.Read(params);
-}
-
-void Awb::Initialise()
-{
- frame_count_ = frame_phase_ = 0;
- // Put something sane into the status that we are filtering towards,
- // just in case the first few frames don't have anything meaningful in
- // them.
- if (!config_.ct_r.Empty() && !config_.ct_b.Empty()) {
- sync_results_.temperature_K = config_.ct_r.Domain().Clip(4000);
- sync_results_.gain_r =
- 1.0 / config_.ct_r.Eval(sync_results_.temperature_K);
- sync_results_.gain_g = 1.0;
- sync_results_.gain_b =
- 1.0 / config_.ct_b.Eval(sync_results_.temperature_K);
- } else {
- // random values just to stop the world blowing up
- sync_results_.temperature_K = 4500;
- sync_results_.gain_r = sync_results_.gain_g =
- sync_results_.gain_b = 1.0;
- }
- prev_sync_results_ = sync_results_;
- async_results_ = sync_results_;
-}
-
-bool Awb::IsPaused() const
-{
- return false;
-}
-
-void Awb::Pause()
-{
- // "Pause" by fixing everything to the most recent values.
- manual_r_ = sync_results_.gain_r = prev_sync_results_.gain_r;
- manual_b_ = sync_results_.gain_b = prev_sync_results_.gain_b;
- sync_results_.gain_g = prev_sync_results_.gain_g;
- sync_results_.temperature_K = prev_sync_results_.temperature_K;
-}
-
-void Awb::Resume()
-{
- manual_r_ = 0.0;
- manual_b_ = 0.0;
-}
-
-unsigned int Awb::GetConvergenceFrames() const
-{
- // If not in auto mode, there is no convergence
- // to happen, so no need to drop any frames - return zero.
- if (!isAutoEnabled())
- return 0;
- else
- return config_.convergence_frames;
-}
-
-void Awb::SetMode(std::string const &mode_name)
-{
- mode_name_ = mode_name;
-}
-
-void Awb::SetManualGains(double manual_r, double manual_b)
-{
- // If any of these are 0.0, we swich back to auto.
- manual_r_ = manual_r;
- manual_b_ = manual_b;
- // If not in auto mode, set these values into the sync_results which
- // means that Prepare() will adopt them immediately.
- if (!isAutoEnabled()) {
- sync_results_.gain_r = prev_sync_results_.gain_r = manual_r_;
- sync_results_.gain_g = prev_sync_results_.gain_g = 1.0;
- sync_results_.gain_b = prev_sync_results_.gain_b = manual_b_;
- }
-}
-
-void Awb::SwitchMode([[maybe_unused]] CameraMode const &camera_mode,
- Metadata *metadata)
-{
- // On the first mode switch we'll have no meaningful colour
- // temperature, so try to dead reckon one if in manual mode.
- if (!isAutoEnabled() && first_switch_mode_ && config_.bayes) {
- Pwl ct_r_inverse = config_.ct_r.Inverse();
- Pwl ct_b_inverse = config_.ct_b.Inverse();
- double ct_r = ct_r_inverse.Eval(ct_r_inverse.Domain().Clip(1 / manual_r_));
- double ct_b = ct_b_inverse.Eval(ct_b_inverse.Domain().Clip(1 / manual_b_));
- prev_sync_results_.temperature_K = (ct_r + ct_b) / 2;
- sync_results_.temperature_K = prev_sync_results_.temperature_K;
- }
- // Let other algorithms know the current white balance values.
- metadata->Set("awb.status", prev_sync_results_);
- first_switch_mode_ = false;
-}
-
-bool Awb::isAutoEnabled() const
-{
- return manual_r_ == 0.0 || manual_b_ == 0.0;
-}
-
-void Awb::fetchAsyncResults()
-{
- LOG(RPiAwb, Debug) << "Fetch AWB results";
- async_finished_ = false;
- async_started_ = false;
- // It's possible manual gains could be set even while the async
- // thread was running, so only copy the results if still in auto mode.
- if (isAutoEnabled())
- sync_results_ = async_results_;
-}
-
-void Awb::restartAsync(StatisticsPtr &stats, double lux)
-{
- LOG(RPiAwb, Debug) << "Starting AWB calculation";
- // this makes a new reference which belongs to the asynchronous thread
- statistics_ = stats;
- // store the mode as it could technically change
- auto m = config_.modes.find(mode_name_);
- mode_ = m != config_.modes.end()
- ? &m->second
- : (mode_ == nullptr ? config_.default_mode : mode_);
- lux_ = lux;
- frame_phase_ = 0;
- async_started_ = true;
- size_t len = mode_name_.copy(async_results_.mode,
- sizeof(async_results_.mode) - 1);
- async_results_.mode[len] = '\0';
- {
- std::lock_guard<std::mutex> lock(mutex_);
- async_start_ = true;
- }
- async_signal_.notify_one();
-}
-
-void Awb::Prepare(Metadata *image_metadata)
-{
- if (frame_count_ < (int)config_.startup_frames)
- frame_count_++;
- double speed = frame_count_ < (int)config_.startup_frames
- ? 1.0
- : config_.speed;
- LOG(RPiAwb, Debug)
- << "frame_count " << frame_count_ << " speed " << speed;
- {
- std::unique_lock<std::mutex> lock(mutex_);
- if (async_started_ && async_finished_)
- fetchAsyncResults();
- }
- // Finally apply IIR filter to results and put into metadata.
- memcpy(prev_sync_results_.mode, sync_results_.mode,
- sizeof(prev_sync_results_.mode));
- prev_sync_results_.temperature_K =
- speed * sync_results_.temperature_K +
- (1.0 - speed) * prev_sync_results_.temperature_K;
- prev_sync_results_.gain_r = speed * sync_results_.gain_r +
- (1.0 - speed) * prev_sync_results_.gain_r;
- prev_sync_results_.gain_g = speed * sync_results_.gain_g +
- (1.0 - speed) * prev_sync_results_.gain_g;
- prev_sync_results_.gain_b = speed * sync_results_.gain_b +
- (1.0 - speed) * prev_sync_results_.gain_b;
- image_metadata->Set("awb.status", prev_sync_results_);
- LOG(RPiAwb, Debug)
- << "Using AWB gains r " << prev_sync_results_.gain_r << " g "
- << prev_sync_results_.gain_g << " b "
- << prev_sync_results_.gain_b;
-}
-
-void Awb::Process(StatisticsPtr &stats, Metadata *image_metadata)
-{
- // Count frames since we last poked the async thread.
- if (frame_phase_ < (int)config_.frame_period)
- frame_phase_++;
- LOG(RPiAwb, Debug) << "frame_phase " << frame_phase_;
- // We do not restart the async thread if we're not in auto mode.
- if (isAutoEnabled() &&
- (frame_phase_ >= (int)config_.frame_period ||
- frame_count_ < (int)config_.startup_frames)) {
- // Update any settings and any image metadata that we need.
- struct LuxStatus lux_status = {};
- lux_status.lux = 400; // in case no metadata
- if (image_metadata->Get("lux.status", lux_status) != 0)
- LOG(RPiAwb, Debug) << "No lux metadata found";
- LOG(RPiAwb, Debug) << "Awb lux value is " << lux_status.lux;
-
- if (async_started_ == false)
- restartAsync(stats, lux_status.lux);
- }
-}
-
-void Awb::asyncFunc()
-{
- while (true) {
- {
- std::unique_lock<std::mutex> lock(mutex_);
- async_signal_.wait(lock, [&] {
- return async_start_ || async_abort_;
- });
- async_start_ = false;
- if (async_abort_)
- break;
- }
- doAwb();
- {
- std::lock_guard<std::mutex> lock(mutex_);
- async_finished_ = true;
- }
- sync_signal_.notify_one();
- }
-}
-
-static void generate_stats(std::vector<Awb::RGB> &zones,
- bcm2835_isp_stats_region *stats, double min_pixels,
- double min_G)
-{
- for (int i = 0; i < AWB_STATS_SIZE_X * AWB_STATS_SIZE_Y; i++) {
- Awb::RGB zone;
- double counted = stats[i].counted;
- if (counted >= min_pixels) {
- zone.G = stats[i].g_sum / counted;
- if (zone.G >= min_G) {
- zone.R = stats[i].r_sum / counted;
- zone.B = stats[i].b_sum / counted;
- zones.push_back(zone);
- }
- }
- }
-}
-
-void Awb::prepareStats()
-{
- zones_.clear();
- // LSC has already been applied to the stats in this pipeline, so stop
- // any LSC compensation. We also ignore config_.fast in this version.
- generate_stats(zones_, statistics_->awb_stats, config_.min_pixels,
- config_.min_G);
- // we're done with these; we may as well relinquish our hold on the
- // pointer.
- statistics_.reset();
- // apply sensitivities, so values appear to come from our "canonical"
- // sensor.
- for (auto &zone : zones_)
- zone.R *= config_.sensitivity_r,
- zone.B *= config_.sensitivity_b;
-}
-
-double Awb::computeDelta2Sum(double gain_r, double gain_b)
-{
- // Compute the sum of the squared colour error (non-greyness) as it
- // appears in the log likelihood equation.
- double delta2_sum = 0;
- for (auto &z : zones_) {
- double delta_r = gain_r * z.R - 1 - config_.whitepoint_r;
- double delta_b = gain_b * z.B - 1 - config_.whitepoint_b;
- double delta2 = delta_r * delta_r + delta_b * delta_b;
- //LOG(RPiAwb, Debug) << "delta_r " << delta_r << " delta_b " << delta_b << " delta2 " << delta2;
- delta2 = std::min(delta2, config_.delta_limit);
- delta2_sum += delta2;
- }
- return delta2_sum;
-}
-
-Pwl Awb::interpolatePrior()
-{
- // Interpolate the prior log likelihood function for our current lux
- // value.
- if (lux_ <= config_.priors.front().lux)
- return config_.priors.front().prior;
- else if (lux_ >= config_.priors.back().lux)
- return config_.priors.back().prior;
- else {
- int idx = 0;
- // find which two we lie between
- while (config_.priors[idx + 1].lux < lux_)
- idx++;
- double lux0 = config_.priors[idx].lux,
- lux1 = config_.priors[idx + 1].lux;
- return Pwl::Combine(config_.priors[idx].prior,
- config_.priors[idx + 1].prior,
- [&](double /*x*/, double y0, double y1) {
- return y0 + (y1 - y0) *
- (lux_ - lux0) / (lux1 - lux0);
- });
- }
-}
-
-static double interpolate_quadatric(Pwl::Point const &A, Pwl::Point const &B,
- Pwl::Point const &C)
-{
- // Given 3 points on a curve, find the extremum of the function in that
- // interval by fitting a quadratic.
- const double eps = 1e-3;
- Pwl::Point CA = C - A, BA = B - A;
- double denominator = 2 * (BA.y * CA.x - CA.y * BA.x);
- if (abs(denominator) > eps) {
- double numerator = BA.y * CA.x * CA.x - CA.y * BA.x * BA.x;
- double result = numerator / denominator + A.x;
- return std::max(A.x, std::min(C.x, result));
- }
- // has degenerated to straight line segment
- return A.y < C.y - eps ? A.x : (C.y < A.y - eps ? C.x : B.x);
-}
-
-double Awb::coarseSearch(Pwl const &prior)
-{
- points_.clear(); // assume doesn't deallocate memory
- size_t best_point = 0;
- double t = mode_->ct_lo;
- int span_r = 0, span_b = 0;
- // Step down the CT curve evaluating log likelihood.
- while (true) {
- double r = config_.ct_r.Eval(t, &span_r);
- double b = config_.ct_b.Eval(t, &span_b);
- double gain_r = 1 / r, gain_b = 1 / b;
- double delta2_sum = computeDelta2Sum(gain_r, gain_b);
- double prior_log_likelihood =
- prior.Eval(prior.Domain().Clip(t));
- double final_log_likelihood = delta2_sum - prior_log_likelihood;
- LOG(RPiAwb, Debug)
- << "t: " << t << " gain_r " << gain_r << " gain_b "
- << gain_b << " delta2_sum " << delta2_sum
- << " prior " << prior_log_likelihood << " final "
- << final_log_likelihood;
- points_.push_back(Pwl::Point(t, final_log_likelihood));
- if (points_.back().y < points_[best_point].y)
- best_point = points_.size() - 1;
- if (t == mode_->ct_hi)
- break;
- // for even steps along the r/b curve scale them by the current t
- t = std::min(t + t / 10 * config_.coarse_step,
- mode_->ct_hi);
- }
- t = points_[best_point].x;
- LOG(RPiAwb, Debug) << "Coarse search found CT " << t;
- // We have the best point of the search, but refine it with a quadratic
- // interpolation around its neighbours.
- if (points_.size() > 2) {
- unsigned long bp = std::min(best_point, points_.size() - 2);
- best_point = std::max(1UL, bp);
- t = interpolate_quadatric(points_[best_point - 1],
- points_[best_point],
- points_[best_point + 1]);
- LOG(RPiAwb, Debug)
- << "After quadratic refinement, coarse search has CT "
- << t;
- }
- return t;
-}
-
-void Awb::fineSearch(double &t, double &r, double &b, Pwl const &prior)
-{
- int span_r = -1, span_b = -1;
- config_.ct_r.Eval(t, &span_r);
- config_.ct_b.Eval(t, &span_b);
- double step = t / 10 * config_.coarse_step * 0.1;
- int nsteps = 5;
- double r_diff = config_.ct_r.Eval(t + nsteps * step, &span_r) -
- config_.ct_r.Eval(t - nsteps * step, &span_r);
- double b_diff = config_.ct_b.Eval(t + nsteps * step, &span_b) -
- config_.ct_b.Eval(t - nsteps * step, &span_b);
- Pwl::Point transverse(b_diff, -r_diff);
- if (transverse.Len2() < 1e-6)
- return;
- // unit vector orthogonal to the b vs. r function (pointing outwards
- // with r and b increasing)
- transverse = transverse / transverse.Len();
- double best_log_likelihood = 0, best_t = 0, best_r = 0, best_b = 0;
- double transverse_range =
- config_.transverse_neg + config_.transverse_pos;
- const int MAX_NUM_DELTAS = 12;
- // a transverse step approximately every 0.01 r/b units
- int num_deltas = floor(transverse_range * 100 + 0.5) + 1;
- num_deltas = num_deltas < 3 ? 3 :
- (num_deltas > MAX_NUM_DELTAS ? MAX_NUM_DELTAS : num_deltas);
- // Step down CT curve. March a bit further if the transverse range is
- // large.
- nsteps += num_deltas;
- for (int i = -nsteps; i <= nsteps; i++) {
- double t_test = t + i * step;
- double prior_log_likelihood =
- prior.Eval(prior.Domain().Clip(t_test));
- double r_curve = config_.ct_r.Eval(t_test, &span_r);
- double b_curve = config_.ct_b.Eval(t_test, &span_b);
- // x will be distance off the curve, y the log likelihood there
- Pwl::Point points[MAX_NUM_DELTAS];
- int best_point = 0;
- // Take some measurements transversely *off* the CT curve.
- for (int j = 0; j < num_deltas; j++) {
- points[j].x = -config_.transverse_neg +
- (transverse_range * j) / (num_deltas - 1);
- Pwl::Point rb_test = Pwl::Point(r_curve, b_curve) +
- transverse * points[j].x;
- double r_test = rb_test.x, b_test = rb_test.y;
- double gain_r = 1 / r_test, gain_b = 1 / b_test;
- double delta2_sum = computeDelta2Sum(gain_r, gain_b);
- points[j].y = delta2_sum - prior_log_likelihood;
- LOG(RPiAwb, Debug)
- << "At t " << t_test << " r " << r_test << " b "
- << b_test << ": " << points[j].y;
- if (points[j].y < points[best_point].y)
- best_point = j;
- }
- // We have NUM_DELTAS points transversely across the CT curve,
- // now let's do a quadratic interpolation for the best result.
- best_point = std::max(1, std::min(best_point, num_deltas - 2));
- Pwl::Point rb_test =
- Pwl::Point(r_curve, b_curve) +
- transverse *
- interpolate_quadatric(points[best_point - 1],
- points[best_point],
- points[best_point + 1]);
- double r_test = rb_test.x, b_test = rb_test.y;
- double gain_r = 1 / r_test, gain_b = 1 / b_test;
- double delta2_sum = computeDelta2Sum(gain_r, gain_b);
- double final_log_likelihood = delta2_sum - prior_log_likelihood;
- LOG(RPiAwb, Debug)
- << "Finally "
- << t_test << " r " << r_test << " b " << b_test << ": "
- << final_log_likelihood
- << (final_log_likelihood < best_log_likelihood ? " BEST" : "");
- if (best_t == 0 || final_log_likelihood < best_log_likelihood)
- best_log_likelihood = final_log_likelihood,
- best_t = t_test, best_r = r_test, best_b = b_test;
- }
- t = best_t, r = best_r, b = best_b;
- LOG(RPiAwb, Debug)
- << "Fine search found t " << t << " r " << r << " b " << b;
-}
-
-void Awb::awbBayes()
-{
- // May as well divide out G to save computeDelta2Sum from doing it over
- // and over.
- for (auto &z : zones_)
- z.R = z.R / (z.G + 1), z.B = z.B / (z.G + 1);
- // Get the current prior, and scale according to how many zones are
- // valid... not entirely sure about this.
- Pwl prior = interpolatePrior();
- prior *= zones_.size() / (double)(AWB_STATS_SIZE_X * AWB_STATS_SIZE_Y);
- prior.Map([](double x, double y) {
- LOG(RPiAwb, Debug) << "(" << x << "," << y << ")";
- });
- double t = coarseSearch(prior);
- double r = config_.ct_r.Eval(t);
- double b = config_.ct_b.Eval(t);
- LOG(RPiAwb, Debug)
- << "After coarse search: r " << r << " b " << b << " (gains r "
- << 1 / r << " b " << 1 / b << ")";
- // Not entirely sure how to handle the fine search yet. Mostly the
- // estimated CT is already good enough, but the fine search allows us to
- // wander transverely off the CT curve. Under some illuminants, where
- // there may be more or less green light, this may prove beneficial,
- // though I probably need more real datasets before deciding exactly how
- // this should be controlled and tuned.
- fineSearch(t, r, b, prior);
- LOG(RPiAwb, Debug)
- << "After fine search: r " << r << " b " << b << " (gains r "
- << 1 / r << " b " << 1 / b << ")";
- // Write results out for the main thread to pick up. Remember to adjust
- // the gains from the ones that the "canonical sensor" would require to
- // the ones needed by *this* sensor.
- async_results_.temperature_K = t;
- async_results_.gain_r = 1.0 / r * config_.sensitivity_r;
- async_results_.gain_g = 1.0;
- async_results_.gain_b = 1.0 / b * config_.sensitivity_b;
-}
-
-void Awb::awbGrey()
-{
- LOG(RPiAwb, Debug) << "Grey world AWB";
- // Make a separate list of the derivatives for each of red and blue, so
- // that we can sort them to exclude the extreme gains. We could
- // consider some variations, such as normalising all the zones first, or
- // doing an L2 average etc.
- std::vector<RGB> &derivs_R(zones_);
- std::vector<RGB> derivs_B(derivs_R);
- std::sort(derivs_R.begin(), derivs_R.end(),
- [](RGB const &a, RGB const &b) {
- return a.G * b.R < b.G * a.R;
- });
- std::sort(derivs_B.begin(), derivs_B.end(),
- [](RGB const &a, RGB const &b) {
- return a.G * b.B < b.G * a.B;
- });
- // Average the middle half of the values.
- int discard = derivs_R.size() / 4;
- RGB sum_R(0, 0, 0), sum_B(0, 0, 0);
- for (auto ri = derivs_R.begin() + discard,
- bi = derivs_B.begin() + discard;
- ri != derivs_R.end() - discard; ri++, bi++)
- sum_R += *ri, sum_B += *bi;
- double gain_r = sum_R.G / (sum_R.R + 1),
- gain_b = sum_B.G / (sum_B.B + 1);
- async_results_.temperature_K = 4500; // don't know what it is
- async_results_.gain_r = gain_r;
- async_results_.gain_g = 1.0;
- async_results_.gain_b = gain_b;
-}
-
-void Awb::doAwb()
-{
- prepareStats();
- LOG(RPiAwb, Debug) << "Valid zones: " << zones_.size();
- if (zones_.size() > config_.min_regions) {
- if (config_.bayes)
- awbBayes();
- else
- awbGrey();
- LOG(RPiAwb, Debug)
- << "CT found is "
- << async_results_.temperature_K
- << " with gains r " << async_results_.gain_r
- << " and b " << async_results_.gain_b;
- }
-}
-
-// Register algorithm with the system.
-static Algorithm *Create(Controller *controller)
-{
- return (Algorithm *)new Awb(controller);
-}
-static RegisterAlgorithm reg(NAME, &Create);
diff --git a/src/ipa/raspberrypi/controller/rpi/awb.hpp b/src/ipa/raspberrypi/controller/rpi/awb.hpp
deleted file mode 100644
index ac3dca6f..00000000
--- a/src/ipa/raspberrypi/controller/rpi/awb.hpp
+++ /dev/null
@@ -1,179 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * awb.hpp - AWB control algorithm
- */
-#pragma once
-
-#include <mutex>
-#include <condition_variable>
-#include <thread>
-
-#include "../awb_algorithm.hpp"
-#include "../pwl.hpp"
-#include "../awb_status.h"
-
-namespace RPiController {
-
-// Control algorithm to perform AWB calculations.
-
-struct AwbMode {
- void Read(boost::property_tree::ptree const &params);
- double ct_lo; // low CT value for search
- double ct_hi; // high CT value for search
-};
-
-struct AwbPrior {
- void Read(boost::property_tree::ptree const &params);
- double lux; // lux level
- Pwl prior; // maps CT to prior log likelihood for this lux level
-};
-
-struct AwbConfig {
- AwbConfig() : default_mode(nullptr) {}
- void Read(boost::property_tree::ptree const &params);
- // Only repeat the AWB calculation every "this many" frames
- uint16_t frame_period;
- // number of initial frames for which speed taken as 1.0 (maximum)
- uint16_t startup_frames;
- unsigned int convergence_frames; // approx number of frames to converge
- double speed; // IIR filter speed applied to algorithm results
- bool fast; // "fast" mode uses a 16x16 rather than 32x32 grid
- Pwl ct_r; // function maps CT to r (= R/G)
- Pwl ct_b; // function maps CT to b (= B/G)
- // table of illuminant priors at different lux levels
- std::vector<AwbPrior> priors;
- // AWB "modes" (determines the search range)
- std::map<std::string, AwbMode> modes;
- AwbMode *default_mode; // mode used if no mode selected
- // minimum proportion of pixels counted within AWB region for it to be
- // "useful"
- double min_pixels;
- // minimum G value of those pixels, to be regarded a "useful"
- uint16_t min_G;
- // number of AWB regions that must be "useful" in order to do the AWB
- // calculation
- uint32_t min_regions;
- // clamp on colour error term (so as not to penalise non-grey excessively)
- double delta_limit;
- // step size control in coarse search
- double coarse_step;
- // how far to wander off CT curve towards "more purple"
- double transverse_pos;
- // how far to wander off CT curve towards "more green"
- double transverse_neg;
- // red sensitivity ratio (set to canonical sensor's R/G divided by this
- // sensor's R/G)
- double sensitivity_r;
- // blue sensitivity ratio (set to canonical sensor's B/G divided by this
- // sensor's B/G)
- double sensitivity_b;
- // The whitepoint (which we normally "aim" for) can be moved.
- double whitepoint_r;
- double whitepoint_b;
- bool bayes; // use Bayesian algorithm
-};
-
-class Awb : public AwbAlgorithm
-{
-public:
- Awb(Controller *controller = NULL);
- ~Awb();
- char const *Name() const override;
- void Initialise() override;
- void Read(boost::property_tree::ptree const &params) override;
- // AWB handles "pausing" for itself.
- bool IsPaused() const override;
- void Pause() override;
- void Resume() override;
- unsigned int GetConvergenceFrames() const override;
- void SetMode(std::string const &name) override;
- void SetManualGains(double manual_r, double manual_b) override;
- void SwitchMode(CameraMode const &camera_mode, Metadata *metadata) override;
- void Prepare(Metadata *image_metadata) override;
- void Process(StatisticsPtr &stats, Metadata *image_metadata) override;
- struct RGB {
- RGB(double _R = 0, double _G = 0, double _B = 0)
- : R(_R), G(_G), B(_B)
- {
- }
- double R, G, B;
- RGB &operator+=(RGB const &other)
- {
- R += other.R, G += other.G, B += other.B;
- return *this;
- }
- };
-
-private:
- bool isAutoEnabled() const;
- // configuration is read-only, and available to both threads
- AwbConfig config_;
- std::thread async_thread_;
- void asyncFunc(); // asynchronous thread function
- std::mutex mutex_;
- // condvar for async thread to wait on
- std::condition_variable async_signal_;
- // condvar for synchronous thread to wait on
- std::condition_variable sync_signal_;
- // for sync thread to check if async thread finished (requires mutex)
- bool async_finished_;
- // for async thread to check if it's been told to run (requires mutex)
- bool async_start_;
- // for async thread to check if it's been told to quit (requires mutex)
- bool async_abort_;
-
- // The following are only for the synchronous thread to use:
- // for sync thread to note its has asked async thread to run
- bool async_started_;
- // counts up to frame_period before restarting the async thread
- int frame_phase_;
- int frame_count_; // counts up to startup_frames
- AwbStatus sync_results_;
- AwbStatus prev_sync_results_;
- std::string mode_name_;
- // The following are for the asynchronous thread to use, though the main
- // thread can set/reset them if the async thread is known to be idle:
- void restartAsync(StatisticsPtr &stats, double lux);
- // copy out the results from the async thread so that it can be restarted
- void fetchAsyncResults();
- StatisticsPtr statistics_;
- AwbMode *mode_;
- double lux_;
- AwbStatus async_results_;
- void doAwb();
- void awbBayes();
- void awbGrey();
- void prepareStats();
- double computeDelta2Sum(double gain_r, double gain_b);
- Pwl interpolatePrior();
- double coarseSearch(Pwl const &prior);
- void fineSearch(double &t, double &r, double &b, Pwl const &prior);
- std::vector<RGB> zones_;
- std::vector<Pwl::Point> points_;
- // manual r setting
- double manual_r_;
- // manual b setting
- double manual_b_;
- bool first_switch_mode_; // is this the first call to SwitchMode?
-};
-
-static inline Awb::RGB operator+(Awb::RGB const &a, Awb::RGB const &b)
-{
- return Awb::RGB(a.R + b.R, a.G + b.G, a.B + b.B);
-}
-static inline Awb::RGB operator-(Awb::RGB const &a, Awb::RGB const &b)
-{
- return Awb::RGB(a.R - b.R, a.G - b.G, a.B - b.B);
-}
-static inline Awb::RGB operator*(double d, Awb::RGB const &rgb)
-{
- return Awb::RGB(d * rgb.R, d * rgb.G, d * rgb.B);
-}
-static inline Awb::RGB operator*(Awb::RGB const &rgb, double d)
-{
- return d * rgb;
-}
-
-} // namespace RPiController
diff --git a/src/ipa/raspberrypi/controller/rpi/black_level.cpp b/src/ipa/raspberrypi/controller/rpi/black_level.cpp
deleted file mode 100644
index 6b3497f1..00000000
--- a/src/ipa/raspberrypi/controller/rpi/black_level.cpp
+++ /dev/null
@@ -1,63 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * black_level.cpp - black level control algorithm
- */
-
-#include <math.h>
-#include <stdint.h>
-
-#include <libcamera/base/log.h>
-
-#include "../black_level_status.h"
-
-#include "black_level.hpp"
-
-using namespace RPiController;
-using namespace libcamera;
-
-LOG_DEFINE_CATEGORY(RPiBlackLevel)
-
-#define NAME "rpi.black_level"
-
-BlackLevel::BlackLevel(Controller *controller)
- : Algorithm(controller)
-{
-}
-
-char const *BlackLevel::Name() const
-{
- return NAME;
-}
-
-void BlackLevel::Read(boost::property_tree::ptree const &params)
-{
- uint16_t black_level = params.get<uint16_t>(
- "black_level", 4096); // 64 in 10 bits scaled to 16 bits
- black_level_r_ = params.get<uint16_t>("black_level_r", black_level);
- black_level_g_ = params.get<uint16_t>("black_level_g", black_level);
- black_level_b_ = params.get<uint16_t>("black_level_b", black_level);
- LOG(RPiBlackLevel, Debug)
- << " Read black levels red " << black_level_r_
- << " green " << black_level_g_
- << " blue " << black_level_b_;
-}
-
-void BlackLevel::Prepare(Metadata *image_metadata)
-{
- // Possibly we should think about doing this in a switch_mode or
- // something?
- struct BlackLevelStatus status;
- status.black_level_r = black_level_r_;
- status.black_level_g = black_level_g_;
- status.black_level_b = black_level_b_;
- image_metadata->Set("black_level.status", status);
-}
-
-// Register algorithm with the system.
-static Algorithm *Create(Controller *controller)
-{
- return new BlackLevel(controller);
-}
-static RegisterAlgorithm reg(NAME, &Create);
diff --git a/src/ipa/raspberrypi/controller/rpi/black_level.hpp b/src/ipa/raspberrypi/controller/rpi/black_level.hpp
deleted file mode 100644
index 65ec4d0e..00000000
--- a/src/ipa/raspberrypi/controller/rpi/black_level.hpp
+++ /dev/null
@@ -1,30 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * black_level.hpp - black level control algorithm
- */
-#pragma once
-
-#include "../algorithm.hpp"
-#include "../black_level_status.h"
-
-// This is our implementation of the "black level algorithm".
-
-namespace RPiController {
-
-class BlackLevel : public Algorithm
-{
-public:
- BlackLevel(Controller *controller);
- char const *Name() const override;
- void Read(boost::property_tree::ptree const &params) override;
- void Prepare(Metadata *image_metadata) override;
-
-private:
- double black_level_r_;
- double black_level_g_;
- double black_level_b_;
-};
-
-} // namespace RPiController
diff --git a/src/ipa/raspberrypi/controller/rpi/ccm.cpp b/src/ipa/raspberrypi/controller/rpi/ccm.cpp
deleted file mode 100644
index 821a4c7c..00000000
--- a/src/ipa/raspberrypi/controller/rpi/ccm.cpp
+++ /dev/null
@@ -1,169 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * ccm.cpp - CCM (colour correction matrix) control algorithm
- */
-
-#include <libcamera/base/log.h>
-
-#include "../awb_status.h"
-#include "../ccm_status.h"
-#include "../lux_status.h"
-#include "../metadata.hpp"
-
-#include "ccm.hpp"
-
-using namespace RPiController;
-using namespace libcamera;
-
-LOG_DEFINE_CATEGORY(RPiCcm)
-
-// This algorithm selects a CCM (Colour Correction Matrix) according to the
-// colour temperature estimated by AWB (interpolating between known matricies as
-// necessary). Additionally the amount of colour saturation can be controlled
-// both according to the current estimated lux level and according to a
-// saturation setting that is exposed to applications.
-
-#define NAME "rpi.ccm"
-
-Matrix::Matrix()
-{
- memset(m, 0, sizeof(m));
-}
-Matrix::Matrix(double m0, double m1, double m2, double m3, double m4, double m5,
- double m6, double m7, double m8)
-{
- m[0][0] = m0, m[0][1] = m1, m[0][2] = m2, m[1][0] = m3, m[1][1] = m4,
- m[1][2] = m5, m[2][0] = m6, m[2][1] = m7, m[2][2] = m8;
-}
-void Matrix::Read(boost::property_tree::ptree const &params)
-{
- double *ptr = (double *)m;
- int n = 0;
- for (auto it = params.begin(); it != params.end(); it++) {
- if (n++ == 9)
- throw std::runtime_error("Ccm: too many values in CCM");
- *ptr++ = it->second.get_value<double>();
- }
- if (n < 9)
- throw std::runtime_error("Ccm: too few values in CCM");
-}
-
-Ccm::Ccm(Controller *controller)
- : CcmAlgorithm(controller), saturation_(1.0) {}
-
-char const *Ccm::Name() const
-{
- return NAME;
-}
-
-void Ccm::Read(boost::property_tree::ptree const &params)
-{
- if (params.get_child_optional("saturation"))
- config_.saturation.Read(params.get_child("saturation"));
- for (auto &p : params.get_child("ccms")) {
- CtCcm ct_ccm;
- ct_ccm.ct = p.second.get<double>("ct");
- ct_ccm.ccm.Read(p.second.get_child("ccm"));
- if (!config_.ccms.empty() &&
- ct_ccm.ct <= config_.ccms.back().ct)
- throw std::runtime_error(
- "Ccm: CCM not in increasing colour temperature order");
- config_.ccms.push_back(std::move(ct_ccm));
- }
- if (config_.ccms.empty())
- throw std::runtime_error("Ccm: no CCMs specified");
-}
-
-void Ccm::SetSaturation(double saturation)
-{
- saturation_ = saturation;
-}
-
-void Ccm::Initialise() {}
-
-template<typename T>
-static bool get_locked(Metadata *metadata, std::string const &tag, T &value)
-{
- T *ptr = metadata->GetLocked<T>(tag);
- if (ptr == nullptr)
- return false;
- value = *ptr;
- return true;
-}
-
-Matrix calculate_ccm(std::vector<CtCcm> const &ccms, double ct)
-{
- if (ct <= ccms.front().ct)
- return ccms.front().ccm;
- else if (ct >= ccms.back().ct)
- return ccms.back().ccm;
- else {
- int i = 0;
- for (; ct > ccms[i].ct; i++)
- ;
- double lambda =
- (ct - ccms[i - 1].ct) / (ccms[i].ct - ccms[i - 1].ct);
- return lambda * ccms[i].ccm + (1.0 - lambda) * ccms[i - 1].ccm;
- }
-}
-
-Matrix apply_saturation(Matrix const &ccm, double saturation)
-{
- Matrix RGB2Y(0.299, 0.587, 0.114, -0.169, -0.331, 0.500, 0.500, -0.419,
- -0.081);
- Matrix Y2RGB(1.000, 0.000, 1.402, 1.000, -0.345, -0.714, 1.000, 1.771,
- 0.000);
- Matrix S(1, 0, 0, 0, saturation, 0, 0, 0, saturation);
- return Y2RGB * S * RGB2Y * ccm;
-}
-
-void Ccm::Prepare(Metadata *image_metadata)
-{
- bool awb_ok = false, lux_ok = false;
- struct AwbStatus awb = {};
- awb.temperature_K = 4000; // in case no metadata
- struct LuxStatus lux = {};
- lux.lux = 400; // in case no metadata
- {
- // grab mutex just once to get everything
- std::lock_guard<Metadata> lock(*image_metadata);
- awb_ok = get_locked(image_metadata, "awb.status", awb);
- lux_ok = get_locked(image_metadata, "lux.status", lux);
- }
- if (!awb_ok)
- LOG(RPiCcm, Warning) << "no colour temperature found";
- if (!lux_ok)
- LOG(RPiCcm, Warning) << "no lux value found";
- Matrix ccm = calculate_ccm(config_.ccms, awb.temperature_K);
- double saturation = saturation_;
- struct CcmStatus ccm_status;
- ccm_status.saturation = saturation;
- if (!config_.saturation.Empty())
- saturation *= config_.saturation.Eval(
- config_.saturation.Domain().Clip(lux.lux));
- ccm = apply_saturation(ccm, saturation);
- for (int j = 0; j < 3; j++)
- for (int i = 0; i < 3; i++)
- ccm_status.matrix[j * 3 + i] =
- std::max(-8.0, std::min(7.9999, ccm.m[j][i]));
- LOG(RPiCcm, Debug)
- << "colour temperature " << awb.temperature_K << "K";
- LOG(RPiCcm, Debug)
- << "CCM: " << ccm_status.matrix[0] << " " << ccm_status.matrix[1]
- << " " << ccm_status.matrix[2] << " "
- << ccm_status.matrix[3] << " " << ccm_status.matrix[4]
- << " " << ccm_status.matrix[5] << " "
- << ccm_status.matrix[6] << " " << ccm_status.matrix[7]
- << " " << ccm_status.matrix[8];
- image_metadata->Set("ccm.status", ccm_status);
-}
-
-// Register algorithm with the system.
-static Algorithm *Create(Controller *controller)
-{
- return (Algorithm *)new Ccm(controller);
- ;
-}
-static RegisterAlgorithm reg(NAME, &Create);
diff --git a/src/ipa/raspberrypi/controller/rpi/contrast.cpp b/src/ipa/raspberrypi/controller/rpi/contrast.cpp
deleted file mode 100644
index ae55aad5..00000000
--- a/src/ipa/raspberrypi/controller/rpi/contrast.cpp
+++ /dev/null
@@ -1,185 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * contrast.cpp - contrast (gamma) control algorithm
- */
-#include <stdint.h>
-
-#include <libcamera/base/log.h>
-
-#include "../contrast_status.h"
-#include "../histogram.hpp"
-
-#include "contrast.hpp"
-
-using namespace RPiController;
-using namespace libcamera;
-
-LOG_DEFINE_CATEGORY(RPiContrast)
-
-// This is a very simple control algorithm which simply retrieves the results of
-// AGC and AWB via their "status" metadata, and applies digital gain to the
-// colour channels in accordance with those instructions. We take care never to
-// apply less than unity gains, as that would cause fully saturated pixels to go
-// off-white.
-
-#define NAME "rpi.contrast"
-
-Contrast::Contrast(Controller *controller)
- : ContrastAlgorithm(controller), brightness_(0.0), contrast_(1.0)
-{
-}
-
-char const *Contrast::Name() const
-{
- return NAME;
-}
-
-void Contrast::Read(boost::property_tree::ptree const &params)
-{
- // enable adaptive enhancement by default
- config_.ce_enable = params.get<int>("ce_enable", 1);
- // the point near the bottom of the histogram to move
- config_.lo_histogram = params.get<double>("lo_histogram", 0.01);
- // where in the range to try and move it to
- config_.lo_level = params.get<double>("lo_level", 0.015);
- // but don't move by more than this
- config_.lo_max = params.get<double>("lo_max", 500);
- // equivalent values for the top of the histogram...
- config_.hi_histogram = params.get<double>("hi_histogram", 0.95);
- config_.hi_level = params.get<double>("hi_level", 0.95);
- config_.hi_max = params.get<double>("hi_max", 2000);
- config_.gamma_curve.Read(params.get_child("gamma_curve"));
-}
-
-void Contrast::SetBrightness(double brightness)
-{
- brightness_ = brightness;
-}
-
-void Contrast::SetContrast(double contrast)
-{
- contrast_ = contrast;
-}
-
-static void fill_in_status(ContrastStatus &status, double brightness,
- double contrast, Pwl &gamma_curve)
-{
- status.brightness = brightness;
- status.contrast = contrast;
- for (int i = 0; i < CONTRAST_NUM_POINTS - 1; i++) {
- int x = i < 16 ? i * 1024
- : (i < 24 ? (i - 16) * 2048 + 16384
- : (i - 24) * 4096 + 32768);
- status.points[i].x = x;
- status.points[i].y = std::min(65535.0, gamma_curve.Eval(x));
- }
- status.points[CONTRAST_NUM_POINTS - 1].x = 65535;
- status.points[CONTRAST_NUM_POINTS - 1].y = 65535;
-}
-
-void Contrast::Initialise()
-{
- // Fill in some default values as Prepare will run before Process gets
- // called.
- fill_in_status(status_, brightness_, contrast_, config_.gamma_curve);
-}
-
-void Contrast::Prepare(Metadata *image_metadata)
-{
- std::unique_lock<std::mutex> lock(mutex_);
- image_metadata->Set("contrast.status", status_);
-}
-
-Pwl compute_stretch_curve(Histogram const &histogram,
- ContrastConfig const &config)
-{
- Pwl enhance;
- enhance.Append(0, 0);
- // If the start of the histogram is rather empty, try to pull it down a
- // bit.
- double hist_lo = histogram.Quantile(config.lo_histogram) *
- (65536 / NUM_HISTOGRAM_BINS);
- double level_lo = config.lo_level * 65536;
- LOG(RPiContrast, Debug)
- << "Move histogram point " << hist_lo << " to " << level_lo;
- hist_lo = std::max(
- level_lo,
- std::min(65535.0, std::min(hist_lo, level_lo + config.lo_max)));
- LOG(RPiContrast, Debug)
- << "Final values " << hist_lo << " -> " << level_lo;
- enhance.Append(hist_lo, level_lo);
- // Keep the mid-point (median) in the same place, though, to limit the
- // apparent amount of global brightness shift.
- double mid = histogram.Quantile(0.5) * (65536 / NUM_HISTOGRAM_BINS);
- enhance.Append(mid, mid);
-
- // If the top to the histogram is empty, try to pull the pixel values
- // there up.
- double hist_hi = histogram.Quantile(config.hi_histogram) *
- (65536 / NUM_HISTOGRAM_BINS);
- double level_hi = config.hi_level * 65536;
- LOG(RPiContrast, Debug)
- << "Move histogram point " << hist_hi << " to " << level_hi;
- hist_hi = std::min(
- level_hi,
- std::max(0.0, std::max(hist_hi, level_hi - config.hi_max)));
- LOG(RPiContrast, Debug)
- << "Final values " << hist_hi << " -> " << level_hi;
- enhance.Append(hist_hi, level_hi);
- enhance.Append(65535, 65535);
- return enhance;
-}
-
-Pwl apply_manual_contrast(Pwl const &gamma_curve, double brightness,
- double contrast)
-{
- Pwl new_gamma_curve;
- LOG(RPiContrast, Debug)
- << "Manual brightness " << brightness << " contrast " << contrast;
- gamma_curve.Map([&](double x, double y) {
- new_gamma_curve.Append(
- x, std::max(0.0, std::min(65535.0,
- (y - 32768) * contrast +
- 32768 + brightness)));
- });
- return new_gamma_curve;
-}
-
-void Contrast::Process(StatisticsPtr &stats,
- [[maybe_unused]] Metadata *image_metadata)
-{
- Histogram histogram(stats->hist[0].g_hist, NUM_HISTOGRAM_BINS);
- // We look at the histogram and adjust the gamma curve in the following
- // ways: 1. Adjust the gamma curve so as to pull the start of the
- // histogram down, and possibly push the end up.
- Pwl gamma_curve = config_.gamma_curve;
- if (config_.ce_enable) {
- if (config_.lo_max != 0 || config_.hi_max != 0)
- gamma_curve = compute_stretch_curve(histogram, config_)
- .Compose(gamma_curve);
- // We could apply other adjustments (e.g. partial equalisation)
- // based on the histogram...?
- }
- // 2. Finally apply any manually selected brightness/contrast
- // adjustment.
- if (brightness_ != 0 || contrast_ != 1.0)
- gamma_curve = apply_manual_contrast(gamma_curve, brightness_,
- contrast_);
- // And fill in the status for output. Use more points towards the bottom
- // of the curve.
- ContrastStatus status;
- fill_in_status(status, brightness_, contrast_, gamma_curve);
- {
- std::unique_lock<std::mutex> lock(mutex_);
- status_ = status;
- }
-}
-
-// Register algorithm with the system.
-static Algorithm *Create(Controller *controller)
-{
- return (Algorithm *)new Contrast(controller);
-}
-static RegisterAlgorithm reg(NAME, &Create);
diff --git a/src/ipa/raspberrypi/controller/rpi/contrast.hpp b/src/ipa/raspberrypi/controller/rpi/contrast.hpp
deleted file mode 100644
index 85624539..00000000
--- a/src/ipa/raspberrypi/controller/rpi/contrast.hpp
+++ /dev/null
@@ -1,50 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * contrast.hpp - contrast (gamma) control algorithm
- */
-#pragma once
-
-#include <mutex>
-
-#include "../contrast_algorithm.hpp"
-#include "../pwl.hpp"
-
-namespace RPiController {
-
-// Back End algorithm to appaly correct digital gain. Should be placed after
-// Back End AWB.
-
-struct ContrastConfig {
- bool ce_enable;
- double lo_histogram;
- double lo_level;
- double lo_max;
- double hi_histogram;
- double hi_level;
- double hi_max;
- Pwl gamma_curve;
-};
-
-class Contrast : public ContrastAlgorithm
-{
-public:
- Contrast(Controller *controller = NULL);
- char const *Name() const override;
- void Read(boost::property_tree::ptree const &params) override;
- void SetBrightness(double brightness) override;
- void SetContrast(double contrast) override;
- void Initialise() override;
- void Prepare(Metadata *image_metadata) override;
- void Process(StatisticsPtr &stats, Metadata *image_metadata) override;
-
-private:
- ContrastConfig config_;
- double brightness_;
- double contrast_;
- ContrastStatus status_;
- std::mutex mutex_;
-};
-
-} // namespace RPiController
diff --git a/src/ipa/raspberrypi/controller/rpi/dpc.cpp b/src/ipa/raspberrypi/controller/rpi/dpc.cpp
deleted file mode 100644
index 110f5056..00000000
--- a/src/ipa/raspberrypi/controller/rpi/dpc.cpp
+++ /dev/null
@@ -1,53 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * dpc.cpp - DPC (defective pixel correction) control algorithm
- */
-
-#include <libcamera/base/log.h>
-
-#include "dpc.hpp"
-
-using namespace RPiController;
-using namespace libcamera;
-
-LOG_DEFINE_CATEGORY(RPiDpc)
-
-// We use the lux status so that we can apply stronger settings in darkness (if
-// necessary).
-
-#define NAME "rpi.dpc"
-
-Dpc::Dpc(Controller *controller)
- : Algorithm(controller)
-{
-}
-
-char const *Dpc::Name() const
-{
- return NAME;
-}
-
-void Dpc::Read(boost::property_tree::ptree const &params)
-{
- config_.strength = params.get<int>("strength", 1);
- if (config_.strength < 0 || config_.strength > 2)
- throw std::runtime_error("Dpc: bad strength value");
-}
-
-void Dpc::Prepare(Metadata *image_metadata)
-{
- DpcStatus dpc_status = {};
- // Should we vary this with lux level or analogue gain? TBD.
- dpc_status.strength = config_.strength;
- LOG(RPiDpc, Debug) << "strength " << dpc_status.strength;
- image_metadata->Set("dpc.status", dpc_status);
-}
-
-// Register algorithm with the system.
-static Algorithm *Create(Controller *controller)
-{
- return (Algorithm *)new Dpc(controller);
-}
-static RegisterAlgorithm reg(NAME, &Create);
diff --git a/src/ipa/raspberrypi/controller/rpi/dpc.hpp b/src/ipa/raspberrypi/controller/rpi/dpc.hpp
deleted file mode 100644
index d90285c4..00000000
--- a/src/ipa/raspberrypi/controller/rpi/dpc.hpp
+++ /dev/null
@@ -1,32 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * dpc.hpp - DPC (defective pixel correction) control algorithm
- */
-#pragma once
-
-#include "../algorithm.hpp"
-#include "../dpc_status.h"
-
-namespace RPiController {
-
-// Back End algorithm to apply appropriate GEQ settings.
-
-struct DpcConfig {
- int strength;
-};
-
-class Dpc : public Algorithm
-{
-public:
- Dpc(Controller *controller);
- char const *Name() const override;
- void Read(boost::property_tree::ptree const &params) override;
- void Prepare(Metadata *image_metadata) override;
-
-private:
- DpcConfig config_;
-};
-
-} // namespace RPiController
diff --git a/src/ipa/raspberrypi/controller/rpi/focus.cpp b/src/ipa/raspberrypi/controller/rpi/focus.cpp
deleted file mode 100644
index a87ec802..00000000
--- a/src/ipa/raspberrypi/controller/rpi/focus.cpp
+++ /dev/null
@@ -1,50 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2020, Raspberry Pi (Trading) Limited
- *
- * focus.cpp - focus algorithm
- */
-#include <stdint.h>
-
-#include <libcamera/base/log.h>
-
-#include "../focus_status.h"
-#include "focus.hpp"
-
-using namespace RPiController;
-using namespace libcamera;
-
-LOG_DEFINE_CATEGORY(RPiFocus)
-
-#define NAME "rpi.focus"
-
-Focus::Focus(Controller *controller)
- : Algorithm(controller)
-{
-}
-
-char const *Focus::Name() const
-{
- return NAME;
-}
-
-void Focus::Process(StatisticsPtr &stats, Metadata *image_metadata)
-{
- FocusStatus status;
- unsigned int i;
- for (i = 0; i < FOCUS_REGIONS; i++)
- status.focus_measures[i] = stats->focus_stats[i].contrast_val[1][1] / 1000;
- status.num = i;
- image_metadata->Set("focus.status", status);
-
- LOG(RPiFocus, Debug)
- << "Focus contrast measure: "
- << (status.focus_measures[5] + status.focus_measures[6]) / 10;
-}
-
-/* Register algorithm with the system. */
-static Algorithm *Create(Controller *controller)
-{
- return new Focus(controller);
-}
-static RegisterAlgorithm reg(NAME, &Create);
diff --git a/src/ipa/raspberrypi/controller/rpi/geq.cpp b/src/ipa/raspberrypi/controller/rpi/geq.cpp
deleted file mode 100644
index 4530cb75..00000000
--- a/src/ipa/raspberrypi/controller/rpi/geq.cpp
+++ /dev/null
@@ -1,81 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * geq.cpp - GEQ (green equalisation) control algorithm
- */
-
-#include <libcamera/base/log.h>
-
-#include "../device_status.h"
-#include "../lux_status.h"
-#include "../pwl.hpp"
-
-#include "geq.hpp"
-
-using namespace RPiController;
-using namespace libcamera;
-
-LOG_DEFINE_CATEGORY(RPiGeq)
-
-// We use the lux status so that we can apply stronger settings in darkness (if
-// necessary).
-
-#define NAME "rpi.geq"
-
-Geq::Geq(Controller *controller)
- : Algorithm(controller)
-{
-}
-
-char const *Geq::Name() const
-{
- return NAME;
-}
-
-void Geq::Read(boost::property_tree::ptree const &params)
-{
- config_.offset = params.get<uint16_t>("offset", 0);
- config_.slope = params.get<double>("slope", 0.0);
- if (config_.slope < 0.0 || config_.slope >= 1.0)
- throw std::runtime_error("Geq: bad slope value");
- if (params.get_child_optional("strength"))
- config_.strength.Read(params.get_child("strength"));
-}
-
-void Geq::Prepare(Metadata *image_metadata)
-{
- LuxStatus lux_status = {};
- lux_status.lux = 400;
- if (image_metadata->Get("lux.status", lux_status))
- LOG(RPiGeq, Warning) << "no lux data found";
- DeviceStatus device_status;
- device_status.analogue_gain = 1.0; // in case not found
- if (image_metadata->Get("device.status", device_status))
- LOG(RPiGeq, Warning)
- << "no device metadata - use analogue gain of 1x";
- GeqStatus geq_status = {};
- double strength =
- config_.strength.Empty()
- ? 1.0
- : config_.strength.Eval(config_.strength.Domain().Clip(
- lux_status.lux));
- strength *= device_status.analogue_gain;
- double offset = config_.offset * strength;
- double slope = config_.slope * strength;
- geq_status.offset = std::min(65535.0, std::max(0.0, offset));
- geq_status.slope = std::min(.99999, std::max(0.0, slope));
- LOG(RPiGeq, Debug)
- << "offset " << geq_status.offset << " slope "
- << geq_status.slope << " (analogue gain "
- << device_status.analogue_gain << " lux "
- << lux_status.lux << ")";
- image_metadata->Set("geq.status", geq_status);
-}
-
-// Register algorithm with the system.
-static Algorithm *Create(Controller *controller)
-{
- return (Algorithm *)new Geq(controller);
-}
-static RegisterAlgorithm reg(NAME, &Create);
diff --git a/src/ipa/raspberrypi/controller/rpi/geq.hpp b/src/ipa/raspberrypi/controller/rpi/geq.hpp
deleted file mode 100644
index 8ba3046b..00000000
--- a/src/ipa/raspberrypi/controller/rpi/geq.hpp
+++ /dev/null
@@ -1,34 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * geq.hpp - GEQ (green equalisation) control algorithm
- */
-#pragma once
-
-#include "../algorithm.hpp"
-#include "../geq_status.h"
-
-namespace RPiController {
-
-// Back End algorithm to apply appropriate GEQ settings.
-
-struct GeqConfig {
- uint16_t offset;
- double slope;
- Pwl strength; // lux to strength factor
-};
-
-class Geq : public Algorithm
-{
-public:
- Geq(Controller *controller);
- char const *Name() const override;
- void Read(boost::property_tree::ptree const &params) override;
- void Prepare(Metadata *image_metadata) override;
-
-private:
- GeqConfig config_;
-};
-
-} // namespace RPiController
diff --git a/src/ipa/raspberrypi/controller/rpi/lux.cpp b/src/ipa/raspberrypi/controller/rpi/lux.cpp
deleted file mode 100644
index 4d145b6f..00000000
--- a/src/ipa/raspberrypi/controller/rpi/lux.cpp
+++ /dev/null
@@ -1,104 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * lux.cpp - Lux control algorithm
- */
-#include <math.h>
-
-#include <linux/bcm2835-isp.h>
-
-#include <libcamera/base/log.h>
-
-#include "../device_status.h"
-
-#include "lux.hpp"
-
-using namespace RPiController;
-using namespace libcamera;
-using namespace std::literals::chrono_literals;
-
-LOG_DEFINE_CATEGORY(RPiLux)
-
-#define NAME "rpi.lux"
-
-Lux::Lux(Controller *controller)
- : Algorithm(controller)
-{
- // Put in some defaults as there will be no meaningful values until
- // Process has run.
- status_.aperture = 1.0;
- status_.lux = 400;
-}
-
-char const *Lux::Name() const
-{
- return NAME;
-}
-
-void Lux::Read(boost::property_tree::ptree const &params)
-{
- reference_shutter_speed_ =
- params.get<double>("reference_shutter_speed") * 1.0us;
- reference_gain_ = params.get<double>("reference_gain");
- reference_aperture_ = params.get<double>("reference_aperture", 1.0);
- reference_Y_ = params.get<double>("reference_Y");
- reference_lux_ = params.get<double>("reference_lux");
- current_aperture_ = reference_aperture_;
-}
-
-void Lux::SetCurrentAperture(double aperture)
-{
- current_aperture_ = aperture;
-}
-
-void Lux::Prepare(Metadata *image_metadata)
-{
- std::unique_lock<std::mutex> lock(mutex_);
- image_metadata->Set("lux.status", status_);
-}
-
-void Lux::Process(StatisticsPtr &stats, Metadata *image_metadata)
-{
- DeviceStatus device_status;
- if (image_metadata->Get("device.status", device_status) == 0) {
- double current_gain = device_status.analogue_gain;
- double current_aperture = device_status.aperture.value_or(current_aperture_);
- uint64_t sum = 0;
- uint32_t num = 0;
- uint32_t *bin = stats->hist[0].g_hist;
- const int num_bins = sizeof(stats->hist[0].g_hist) /
- sizeof(stats->hist[0].g_hist[0]);
- for (int i = 0; i < num_bins; i++)
- sum += bin[i] * (uint64_t)i, num += bin[i];
- // add .5 to reflect the mid-points of bins
- double current_Y = sum / (double)num + .5;
- double gain_ratio = reference_gain_ / current_gain;
- double shutter_speed_ratio =
- reference_shutter_speed_ / device_status.shutter_speed;
- double aperture_ratio = reference_aperture_ / current_aperture;
- double Y_ratio = current_Y * (65536 / num_bins) / reference_Y_;
- double estimated_lux = shutter_speed_ratio * gain_ratio *
- aperture_ratio * aperture_ratio *
- Y_ratio * reference_lux_;
- LuxStatus status;
- status.lux = estimated_lux;
- status.aperture = current_aperture;
- LOG(RPiLux, Debug) << ": estimated lux " << estimated_lux;
- {
- std::unique_lock<std::mutex> lock(mutex_);
- status_ = status;
- }
- // Overwrite the metadata here as well, so that downstream
- // algorithms get the latest value.
- image_metadata->Set("lux.status", status);
- } else
- LOG(RPiLux, Warning) << ": no device metadata";
-}
-
-// Register algorithm with the system.
-static Algorithm *Create(Controller *controller)
-{
- return (Algorithm *)new Lux(controller);
-}
-static RegisterAlgorithm reg(NAME, &Create);
diff --git a/src/ipa/raspberrypi/controller/rpi/lux.hpp b/src/ipa/raspberrypi/controller/rpi/lux.hpp
deleted file mode 100644
index 3ebd35d1..00000000
--- a/src/ipa/raspberrypi/controller/rpi/lux.hpp
+++ /dev/null
@@ -1,43 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * lux.hpp - Lux control algorithm
- */
-#pragma once
-
-#include <mutex>
-
-#include <libcamera/base/utils.h>
-
-#include "../lux_status.h"
-#include "../algorithm.hpp"
-
-// This is our implementation of the "lux control algorithm".
-
-namespace RPiController {
-
-class Lux : public Algorithm
-{
-public:
- Lux(Controller *controller);
- char const *Name() const override;
- void Read(boost::property_tree::ptree const &params) override;
- void Prepare(Metadata *image_metadata) override;
- void Process(StatisticsPtr &stats, Metadata *image_metadata) override;
- void SetCurrentAperture(double aperture);
-
-private:
- // These values define the conditions of the reference image, against
- // which we compare the new image.
- libcamera::utils::Duration reference_shutter_speed_;
- double reference_gain_;
- double reference_aperture_; // units of 1/f
- double reference_Y_; // out of 65536
- double reference_lux_;
- double current_aperture_;
- LuxStatus status_;
- std::mutex mutex_;
-};
-
-} // namespace RPiController
diff --git a/src/ipa/raspberrypi/controller/rpi/noise.cpp b/src/ipa/raspberrypi/controller/rpi/noise.cpp
deleted file mode 100644
index 63cad639..00000000
--- a/src/ipa/raspberrypi/controller/rpi/noise.cpp
+++ /dev/null
@@ -1,76 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * noise.cpp - Noise control algorithm
- */
-
-#include <math.h>
-
-#include <libcamera/base/log.h>
-
-#include "../device_status.h"
-#include "../noise_status.h"
-
-#include "noise.hpp"
-
-using namespace RPiController;
-using namespace libcamera;
-
-LOG_DEFINE_CATEGORY(RPiNoise)
-
-#define NAME "rpi.noise"
-
-Noise::Noise(Controller *controller)
- : Algorithm(controller), mode_factor_(1.0)
-{
-}
-
-char const *Noise::Name() const
-{
- return NAME;
-}
-
-void Noise::SwitchMode(CameraMode const &camera_mode,
- [[maybe_unused]] Metadata *metadata)
-{
- // For example, we would expect a 2x2 binned mode to have a "noise
- // factor" of sqrt(2x2) = 2. (can't be less than one, right?)
- mode_factor_ = std::max(1.0, camera_mode.noise_factor);
-}
-
-void Noise::Read(boost::property_tree::ptree const &params)
-{
- reference_constant_ = params.get<double>("reference_constant");
- reference_slope_ = params.get<double>("reference_slope");
-}
-
-void Noise::Prepare(Metadata *image_metadata)
-{
- struct DeviceStatus device_status;
- device_status.analogue_gain = 1.0; // keep compiler calm
- if (image_metadata->Get("device.status", device_status) == 0) {
- // There is a slight question as to exactly how the noise
- // profile, specifically the constant part of it, scales. For
- // now we assume it all scales the same, and we'll revisit this
- // if it proves substantially wrong. NOTE: we may also want to
- // make some adjustments based on the camera mode (such as
- // binning), if we knew how to discover it...
- double factor = sqrt(device_status.analogue_gain) / mode_factor_;
- struct NoiseStatus status;
- status.noise_constant = reference_constant_ * factor;
- status.noise_slope = reference_slope_ * factor;
- image_metadata->Set("noise.status", status);
- LOG(RPiNoise, Debug)
- << "constant " << status.noise_constant
- << " slope " << status.noise_slope;
- } else
- LOG(RPiNoise, Warning) << " no metadata";
-}
-
-// Register algorithm with the system.
-static Algorithm *Create(Controller *controller)
-{
- return new Noise(controller);
-}
-static RegisterAlgorithm reg(NAME, &Create);
diff --git a/src/ipa/raspberrypi/controller/rpi/noise.hpp b/src/ipa/raspberrypi/controller/rpi/noise.hpp
deleted file mode 100644
index 1c9de5c8..00000000
--- a/src/ipa/raspberrypi/controller/rpi/noise.hpp
+++ /dev/null
@@ -1,32 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * noise.hpp - Noise control algorithm
- */
-#pragma once
-
-#include "../algorithm.hpp"
-#include "../noise_status.h"
-
-// This is our implementation of the "noise algorithm".
-
-namespace RPiController {
-
-class Noise : public Algorithm
-{
-public:
- Noise(Controller *controller);
- char const *Name() const override;
- void SwitchMode(CameraMode const &camera_mode, Metadata *metadata) override;
- void Read(boost::property_tree::ptree const &params) override;
- void Prepare(Metadata *image_metadata) override;
-
-private:
- // the noise profile for analogue gain of 1.0
- double reference_constant_;
- double reference_slope_;
- double mode_factor_;
-};
-
-} // namespace RPiController
diff --git a/src/ipa/raspberrypi/controller/rpi/sdn.cpp b/src/ipa/raspberrypi/controller/rpi/sdn.cpp
deleted file mode 100644
index 93845509..00000000
--- a/src/ipa/raspberrypi/controller/rpi/sdn.cpp
+++ /dev/null
@@ -1,75 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019-2021, Raspberry Pi (Trading) Limited
- *
- * sdn.cpp - SDN (spatial denoise) control algorithm
- */
-
-#include <libcamera/base/log.h>
-
-#include "../denoise_status.h"
-#include "../noise_status.h"
-
-#include "sdn.hpp"
-
-using namespace RPiController;
-using namespace libcamera;
-
-LOG_DEFINE_CATEGORY(RPiSdn)
-
-// Calculate settings for the spatial denoise block using the noise profile in
-// the image metadata.
-
-#define NAME "rpi.sdn"
-
-Sdn::Sdn(Controller *controller)
- : DenoiseAlgorithm(controller), mode_(DenoiseMode::ColourOff)
-{
-}
-
-char const *Sdn::Name() const
-{
- return NAME;
-}
-
-void Sdn::Read(boost::property_tree::ptree const &params)
-{
- deviation_ = params.get<double>("deviation", 3.2);
- strength_ = params.get<double>("strength", 0.75);
-}
-
-void Sdn::Initialise() {}
-
-void Sdn::Prepare(Metadata *image_metadata)
-{
- struct NoiseStatus noise_status = {};
- noise_status.noise_slope = 3.0; // in case no metadata
- if (image_metadata->Get("noise.status", noise_status) != 0)
- LOG(RPiSdn, Warning) << "no noise profile found";
- LOG(RPiSdn, Debug)
- << "Noise profile: constant " << noise_status.noise_constant
- << " slope " << noise_status.noise_slope;
- struct DenoiseStatus status;
- status.noise_constant = noise_status.noise_constant * deviation_;
- status.noise_slope = noise_status.noise_slope * deviation_;
- status.strength = strength_;
- status.mode = static_cast<std::underlying_type_t<DenoiseMode>>(mode_);
- image_metadata->Set("denoise.status", status);
- LOG(RPiSdn, Debug)
- << "programmed constant " << status.noise_constant
- << " slope " << status.noise_slope
- << " strength " << status.strength;
-}
-
-void Sdn::SetMode(DenoiseMode mode)
-{
- // We only distinguish between off and all other modes.
- mode_ = mode;
-}
-
-// Register algorithm with the system.
-static Algorithm *Create(Controller *controller)
-{
- return (Algorithm *)new Sdn(controller);
-}
-static RegisterAlgorithm reg(NAME, &Create);
diff --git a/src/ipa/raspberrypi/controller/rpi/sdn.hpp b/src/ipa/raspberrypi/controller/rpi/sdn.hpp
deleted file mode 100644
index 2371ce04..00000000
--- a/src/ipa/raspberrypi/controller/rpi/sdn.hpp
+++ /dev/null
@@ -1,32 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * sdn.hpp - SDN (spatial denoise) control algorithm
- */
-#pragma once
-
-#include "../algorithm.hpp"
-#include "../denoise_algorithm.hpp"
-
-namespace RPiController {
-
-// Algorithm to calculate correct spatial denoise (SDN) settings.
-
-class Sdn : public DenoiseAlgorithm
-{
-public:
- Sdn(Controller *controller = NULL);
- char const *Name() const override;
- void Read(boost::property_tree::ptree const &params) override;
- void Initialise() override;
- void Prepare(Metadata *image_metadata) override;
- void SetMode(DenoiseMode mode) override;
-
-private:
- double deviation_;
- double strength_;
- DenoiseMode mode_;
-};
-
-} // namespace RPiController
diff --git a/src/ipa/raspberrypi/controller/rpi/sharpen.cpp b/src/ipa/raspberrypi/controller/rpi/sharpen.cpp
deleted file mode 100644
index 18825a43..00000000
--- a/src/ipa/raspberrypi/controller/rpi/sharpen.cpp
+++ /dev/null
@@ -1,85 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * sharpen.cpp - sharpening control algorithm
- */
-
-#include <math.h>
-
-#include <libcamera/base/log.h>
-
-#include "../sharpen_status.h"
-
-#include "sharpen.hpp"
-
-using namespace RPiController;
-using namespace libcamera;
-
-LOG_DEFINE_CATEGORY(RPiSharpen)
-
-#define NAME "rpi.sharpen"
-
-Sharpen::Sharpen(Controller *controller)
- : SharpenAlgorithm(controller), user_strength_(1.0)
-{
-}
-
-char const *Sharpen::Name() const
-{
- return NAME;
-}
-
-void Sharpen::SwitchMode(CameraMode const &camera_mode,
- [[maybe_unused]] Metadata *metadata)
-{
- // can't be less than one, right?
- mode_factor_ = std::max(1.0, camera_mode.noise_factor);
-}
-
-void Sharpen::Read(boost::property_tree::ptree const &params)
-{
- threshold_ = params.get<double>("threshold", 1.0);
- strength_ = params.get<double>("strength", 1.0);
- limit_ = params.get<double>("limit", 1.0);
- LOG(RPiSharpen, Debug)
- << "Read threshold " << threshold_
- << " strength " << strength_
- << " limit " << limit_;
-}
-
-void Sharpen::SetStrength(double strength)
-{
- // Note that this function is how an application sets the overall
- // sharpening "strength". We call this the "user strength" field
- // as there already is a strength_ field - being an internal gain
- // parameter that gets passed to the ISP control code. Negative
- // values are not allowed - coerce them to zero (no sharpening).
- user_strength_ = std::max(0.0, strength);
-}
-
-void Sharpen::Prepare(Metadata *image_metadata)
-{
- // The user_strength_ affects the algorithm's internal gain directly, but
- // we adjust the limit and threshold less aggressively. Using a sqrt
- // function is an arbitrary but gentle way of accomplishing this.
- double user_strength_sqrt = sqrt(user_strength_);
- struct SharpenStatus status;
- // Binned modes seem to need the sharpening toned down with this
- // pipeline, thus we use the mode_factor here. Also avoid
- // divide-by-zero with the user_strength_sqrt.
- status.threshold = threshold_ * mode_factor_ /
- std::max(0.01, user_strength_sqrt);
- status.strength = strength_ / mode_factor_ * user_strength_;
- status.limit = limit_ / mode_factor_ * user_strength_sqrt;
- // Finally, report any application-supplied parameters that were used.
- status.user_strength = user_strength_;
- image_metadata->Set("sharpen.status", status);
-}
-
-// Register algorithm with the system.
-static Algorithm *Create(Controller *controller)
-{
- return new Sharpen(controller);
-}
-static RegisterAlgorithm reg(NAME, &Create);
diff --git a/src/ipa/raspberrypi/controller/rpi/sharpen.hpp b/src/ipa/raspberrypi/controller/rpi/sharpen.hpp
deleted file mode 100644
index 13a076a8..00000000
--- a/src/ipa/raspberrypi/controller/rpi/sharpen.hpp
+++ /dev/null
@@ -1,34 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * sharpen.hpp - sharpening control algorithm
- */
-#pragma once
-
-#include "../sharpen_algorithm.hpp"
-#include "../sharpen_status.h"
-
-// This is our implementation of the "sharpen algorithm".
-
-namespace RPiController {
-
-class Sharpen : public SharpenAlgorithm
-{
-public:
- Sharpen(Controller *controller);
- char const *Name() const override;
- void SwitchMode(CameraMode const &camera_mode, Metadata *metadata) override;
- void Read(boost::property_tree::ptree const &params) override;
- void SetStrength(double strength) override;
- void Prepare(Metadata *image_metadata) override;
-
-private:
- double threshold_;
- double strength_;
- double limit_;
- double mode_factor_;
- double user_strength_;
-};
-
-} // namespace RPiController
diff --git a/src/ipa/raspberrypi/controller/sharpen_algorithm.hpp b/src/ipa/raspberrypi/controller/sharpen_algorithm.hpp
deleted file mode 100644
index ca800308..00000000
--- a/src/ipa/raspberrypi/controller/sharpen_algorithm.hpp
+++ /dev/null
@@ -1,21 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2020, Raspberry Pi (Trading) Limited
- *
- * sharpen_algorithm.hpp - sharpness control algorithm interface
- */
-#pragma once
-
-#include "algorithm.hpp"
-
-namespace RPiController {
-
-class SharpenAlgorithm : public Algorithm
-{
-public:
- SharpenAlgorithm(Controller *controller) : Algorithm(controller) {}
- // A sharpness control algorithm must provide the following:
- virtual void SetStrength(double strength) = 0;
-};
-
-} // namespace RPiController
diff --git a/src/ipa/raspberrypi/controller/sharpen_status.h b/src/ipa/raspberrypi/controller/sharpen_status.h
deleted file mode 100644
index 7501b191..00000000
--- a/src/ipa/raspberrypi/controller/sharpen_status.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * sharpen_status.h - Sharpen control algorithm status
- */
-#pragma once
-
-// The "sharpen" algorithm stores the strength to use.
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-struct SharpenStatus {
- // controls the smallest level of detail (or noise!) that sharpening will pick up
- double threshold;
- // the rate at which the sharpening response ramps once above the threshold
- double strength;
- // upper limit of the allowed sharpening response
- double limit;
- // The sharpening strength requested by the user or application.
- double user_strength;
-};
-
-#ifdef __cplusplus
-}
-#endif
diff --git a/src/ipa/raspberrypi/data/imx219.json b/src/ipa/raspberrypi/data/imx219.json
deleted file mode 100644
index de59d936..00000000
--- a/src/ipa/raspberrypi/data/imx219.json
+++ /dev/null
@@ -1,412 +0,0 @@
-{
- "rpi.black_level":
- {
- "black_level": 4096
- },
- "rpi.dpc":
- {
-
- },
- "rpi.lux":
- {
- "reference_shutter_speed": 27685,
- "reference_gain": 1.0,
- "reference_aperture": 1.0,
- "reference_lux": 998,
- "reference_Y": 12744
- },
- "rpi.noise":
- {
- "reference_constant": 0,
- "reference_slope": 3.67
- },
- "rpi.geq":
- {
- "offset": 204,
- "slope": 0.01633
- },
- "rpi.sdn":
- {
-
- },
- "rpi.awb":
- {
- "priors":
- [
- {
- "lux": 0, "prior":
- [
- 2000, 1.0, 3000, 0.0, 13000, 0.0
- ]
- },
- {
- "lux": 800, "prior":
- [
- 2000, 0.0, 6000, 2.0, 13000, 2.0
- ]
- },
- {
- "lux": 1500, "prior":
- [
- 2000, 0.0, 4000, 1.0, 6000, 6.0, 6500, 7.0, 7000, 1.0, 13000, 1.0
- ]
- }
- ],
- "modes":
- {
- "auto":
- {
- "lo": 2500,
- "hi": 8000
- },
- "incandescent":
- {
- "lo": 2500,
- "hi": 3000
- },
- "tungsten":
- {
- "lo": 3000,
- "hi": 3500
- },
- "fluorescent":
- {
- "lo": 4000,
- "hi": 4700
- },
- "indoor":
- {
- "lo": 3000,
- "hi": 5000
- },
- "daylight":
- {
- "lo": 5500,
- "hi": 6500
- },
- "cloudy":
- {
- "lo": 7000,
- "hi": 8600
- }
- },
- "bayes": 1,
- "ct_curve":
- [
- 2498.0, 0.9309, 0.3599, 2911.0, 0.8682, 0.4283, 2919.0, 0.8358, 0.4621, 3627.0, 0.7646, 0.5327, 4600.0, 0.6079, 0.6721, 5716.0,
- 0.5712, 0.7017, 8575.0, 0.4331, 0.8037
- ],
- "sensitivity_r": 1.05,
- "sensitivity_b": 1.05,
- "transverse_pos": 0.04791,
- "transverse_neg": 0.04881
- },
- "rpi.agc":
- {
- "metering_modes":
- {
- "centre-weighted":
- {
- "weights":
- [
- 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0
- ]
- },
- "spot":
- {
- "weights":
- [
- 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
- ]
- },
- "matrix":
- {
- "weights":
- [
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
- ]
- }
- },
- "exposure_modes":
- {
- "normal":
- {
- "shutter":
- [
- 100, 10000, 30000, 60000, 66666
- ],
- "gain":
- [
- 1.0, 2.0, 4.0, 6.0, 8.0
- ]
- },
- "short":
- {
- "shutter":
- [
- 100, 5000, 10000, 20000, 33333
- ],
- "gain":
- [
- 1.0, 2.0, 4.0, 6.0, 8.0
- ]
- },
- "long":
- {
- "shutter":
- [
- 100, 10000, 30000, 60000, 120000
- ],
- "gain":
- [
- 1.0, 2.0, 4.0, 6.0, 12.0
- ]
- }
- },
- "constraint_modes":
- {
- "normal":
- [
- {
- "bound": "LOWER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
- [
- 0, 0.5, 1000, 0.5
- ]
- }
- ],
- "highlight":
- [
- {
- "bound": "LOWER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
- [
- 0, 0.5, 1000, 0.5
- ]
- },
- {
- "bound": "UPPER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
- [
- 0, 0.8, 1000, 0.8
- ]
- }
- ],
- "shadows":
- [
- {
- "bound": "LOWER", "q_lo": 0.0, "q_hi": 0.5, "y_target":
- [
- 0, 0.17, 1000, 0.17
- ]
- }
- ]
- },
- "y_target":
- [
- 0, 0.16, 1000, 0.165, 10000, 0.17
- ]
- },
- "rpi.alsc":
- {
- "omega": 1.3,
- "n_iter": 100,
- "luminance_strength": 0.7,
- "calibrations_Cr":
- [
- {
- "ct": 3000, "table":
- [
- 1.487, 1.481, 1.481, 1.445, 1.389, 1.327, 1.307, 1.307, 1.307, 1.309, 1.341, 1.405, 1.458, 1.494, 1.494, 1.497,
- 1.491, 1.481, 1.448, 1.397, 1.331, 1.275, 1.243, 1.229, 1.229, 1.249, 1.287, 1.349, 1.409, 1.463, 1.494, 1.497,
- 1.491, 1.469, 1.405, 1.331, 1.275, 1.217, 1.183, 1.172, 1.172, 1.191, 1.231, 1.287, 1.349, 1.424, 1.484, 1.499,
- 1.487, 1.444, 1.363, 1.283, 1.217, 1.183, 1.148, 1.138, 1.138, 1.159, 1.191, 1.231, 1.302, 1.385, 1.461, 1.492,
- 1.481, 1.423, 1.334, 1.253, 1.189, 1.148, 1.135, 1.119, 1.123, 1.137, 1.159, 1.203, 1.272, 1.358, 1.442, 1.488,
- 1.479, 1.413, 1.321, 1.236, 1.176, 1.139, 1.118, 1.114, 1.116, 1.123, 1.149, 1.192, 1.258, 1.344, 1.432, 1.487,
- 1.479, 1.413, 1.321, 1.236, 1.176, 1.139, 1.116, 1.114, 1.115, 1.123, 1.149, 1.192, 1.258, 1.344, 1.432, 1.487,
- 1.479, 1.425, 1.336, 1.251, 1.189, 1.149, 1.136, 1.118, 1.121, 1.138, 1.158, 1.206, 1.275, 1.358, 1.443, 1.488,
- 1.488, 1.448, 1.368, 1.285, 1.219, 1.189, 1.149, 1.139, 1.139, 1.158, 1.195, 1.235, 1.307, 1.387, 1.462, 1.493,
- 1.496, 1.475, 1.411, 1.337, 1.284, 1.219, 1.189, 1.176, 1.176, 1.195, 1.235, 1.296, 1.356, 1.429, 1.487, 1.501,
- 1.495, 1.489, 1.458, 1.407, 1.337, 1.287, 1.253, 1.239, 1.239, 1.259, 1.296, 1.356, 1.419, 1.472, 1.499, 1.499,
- 1.494, 1.489, 1.489, 1.453, 1.398, 1.336, 1.317, 1.317, 1.317, 1.321, 1.351, 1.416, 1.467, 1.501, 1.501, 1.499
- ]
- },
- {
- "ct": 3850, "table":
- [
- 1.694, 1.688, 1.688, 1.649, 1.588, 1.518, 1.495, 1.495, 1.495, 1.497, 1.532, 1.602, 1.659, 1.698, 1.698, 1.703,
- 1.698, 1.688, 1.653, 1.597, 1.525, 1.464, 1.429, 1.413, 1.413, 1.437, 1.476, 1.542, 1.606, 1.665, 1.698, 1.703,
- 1.697, 1.673, 1.605, 1.525, 1.464, 1.401, 1.369, 1.354, 1.354, 1.377, 1.417, 1.476, 1.542, 1.623, 1.687, 1.705,
- 1.692, 1.646, 1.561, 1.472, 1.401, 1.368, 1.337, 1.323, 1.324, 1.348, 1.377, 1.417, 1.492, 1.583, 1.661, 1.697,
- 1.686, 1.625, 1.528, 1.439, 1.372, 1.337, 1.321, 1.311, 1.316, 1.324, 1.348, 1.389, 1.461, 1.553, 1.642, 1.694,
- 1.684, 1.613, 1.514, 1.423, 1.359, 1.328, 1.311, 1.306, 1.306, 1.316, 1.339, 1.378, 1.446, 1.541, 1.633, 1.693,
- 1.684, 1.613, 1.514, 1.423, 1.359, 1.328, 1.311, 1.305, 1.305, 1.316, 1.339, 1.378, 1.446, 1.541, 1.633, 1.693,
- 1.685, 1.624, 1.529, 1.438, 1.372, 1.336, 1.324, 1.309, 1.314, 1.323, 1.348, 1.392, 1.462, 1.555, 1.646, 1.694,
- 1.692, 1.648, 1.561, 1.473, 1.403, 1.372, 1.336, 1.324, 1.324, 1.348, 1.378, 1.423, 1.495, 1.585, 1.667, 1.701,
- 1.701, 1.677, 1.608, 1.527, 1.471, 1.403, 1.375, 1.359, 1.359, 1.378, 1.423, 1.488, 1.549, 1.631, 1.694, 1.709,
- 1.702, 1.694, 1.656, 1.601, 1.527, 1.473, 1.441, 1.424, 1.424, 1.443, 1.488, 1.549, 1.621, 1.678, 1.706, 1.707,
- 1.699, 1.694, 1.694, 1.654, 1.593, 1.525, 1.508, 1.508, 1.508, 1.509, 1.546, 1.614, 1.674, 1.708, 1.708, 1.707
- ]
- },
- {
- "ct": 6000, "table":
- [
- 2.179, 2.176, 2.176, 2.125, 2.048, 1.975, 1.955, 1.954, 1.954, 1.956, 1.993, 2.071, 2.141, 2.184, 2.185, 2.188,
- 2.189, 2.176, 2.128, 2.063, 1.973, 1.908, 1.872, 1.856, 1.856, 1.876, 1.922, 1.999, 2.081, 2.144, 2.184, 2.192,
- 2.187, 2.152, 2.068, 1.973, 1.907, 1.831, 1.797, 1.786, 1.786, 1.804, 1.853, 1.922, 1.999, 2.089, 2.166, 2.191,
- 2.173, 2.117, 2.013, 1.908, 1.831, 1.791, 1.755, 1.749, 1.749, 1.767, 1.804, 1.853, 1.939, 2.041, 2.135, 2.181,
- 2.166, 2.089, 1.975, 1.869, 1.792, 1.755, 1.741, 1.731, 1.734, 1.749, 1.767, 1.818, 1.903, 2.005, 2.111, 2.173,
- 2.165, 2.074, 1.956, 1.849, 1.777, 1.742, 1.729, 1.725, 1.729, 1.734, 1.758, 1.804, 1.884, 1.991, 2.099, 2.172,
- 2.165, 2.074, 1.956, 1.849, 1.777, 1.742, 1.727, 1.724, 1.725, 1.734, 1.758, 1.804, 1.884, 1.991, 2.099, 2.172,
- 2.166, 2.085, 1.975, 1.869, 1.791, 1.755, 1.741, 1.729, 1.733, 1.749, 1.769, 1.819, 1.904, 2.009, 2.114, 2.174,
- 2.174, 2.118, 2.015, 1.913, 1.831, 1.791, 1.755, 1.749, 1.749, 1.769, 1.811, 1.855, 1.943, 2.047, 2.139, 2.183,
- 2.187, 2.151, 2.072, 1.979, 1.911, 1.831, 1.801, 1.791, 1.791, 1.811, 1.855, 1.933, 2.006, 2.101, 2.173, 2.197,
- 2.189, 2.178, 2.132, 2.069, 1.979, 1.913, 1.879, 1.867, 1.867, 1.891, 1.933, 2.006, 2.091, 2.156, 2.195, 2.197,
- 2.181, 2.179, 2.178, 2.131, 2.057, 1.981, 1.965, 1.965, 1.965, 1.969, 1.999, 2.083, 2.153, 2.197, 2.197, 2.196
- ]
- }
- ],
- "calibrations_Cb":
- [
- {
- "ct": 3000, "table":
- [
- 1.967, 1.961, 1.955, 1.953, 1.954, 1.957, 1.961, 1.963, 1.963, 1.961, 1.959, 1.957, 1.954, 1.951, 1.951, 1.955,
- 1.961, 1.959, 1.957, 1.956, 1.962, 1.967, 1.975, 1.979, 1.979, 1.975, 1.971, 1.967, 1.957, 1.952, 1.951, 1.951,
- 1.959, 1.959, 1.959, 1.966, 1.976, 1.989, 1.999, 2.004, 2.003, 1.997, 1.991, 1.981, 1.967, 1.956, 1.951, 1.951,
- 1.959, 1.962, 1.967, 1.978, 1.993, 2.009, 2.021, 2.028, 2.026, 2.021, 2.011, 1.995, 1.981, 1.964, 1.953, 1.951,
- 1.961, 1.965, 1.977, 1.993, 2.009, 2.023, 2.041, 2.047, 2.047, 2.037, 2.024, 2.011, 1.995, 1.975, 1.958, 1.953,
- 1.963, 1.968, 1.981, 2.001, 2.019, 2.039, 2.046, 2.052, 2.052, 2.051, 2.035, 2.021, 2.001, 1.978, 1.959, 1.955,
- 1.961, 1.966, 1.981, 2.001, 2.019, 2.038, 2.043, 2.051, 2.052, 2.042, 2.034, 2.019, 2.001, 1.978, 1.959, 1.954,
- 1.957, 1.961, 1.972, 1.989, 2.003, 2.021, 2.038, 2.039, 2.039, 2.034, 2.019, 2.004, 1.988, 1.971, 1.954, 1.949,
- 1.952, 1.953, 1.959, 1.972, 1.989, 2.003, 2.016, 2.019, 2.019, 2.014, 2.003, 1.988, 1.971, 1.955, 1.948, 1.947,
- 1.949, 1.948, 1.949, 1.957, 1.971, 1.978, 1.991, 1.994, 1.994, 1.989, 1.979, 1.967, 1.954, 1.946, 1.947, 1.947,
- 1.949, 1.946, 1.944, 1.946, 1.949, 1.954, 1.962, 1.967, 1.967, 1.963, 1.956, 1.948, 1.943, 1.943, 1.946, 1.949,
- 1.951, 1.946, 1.944, 1.942, 1.943, 1.943, 1.947, 1.948, 1.949, 1.947, 1.945, 1.941, 1.938, 1.939, 1.948, 1.952
- ]
- },
- {
- "ct": 3850, "table":
- [
- 1.726, 1.724, 1.722, 1.723, 1.731, 1.735, 1.743, 1.746, 1.746, 1.741, 1.735, 1.729, 1.725, 1.721, 1.721, 1.721,
- 1.724, 1.723, 1.723, 1.727, 1.735, 1.744, 1.749, 1.756, 1.756, 1.749, 1.744, 1.735, 1.727, 1.719, 1.719, 1.719,
- 1.723, 1.723, 1.724, 1.735, 1.746, 1.759, 1.767, 1.775, 1.775, 1.766, 1.758, 1.746, 1.735, 1.723, 1.718, 1.716,
- 1.723, 1.725, 1.732, 1.746, 1.759, 1.775, 1.782, 1.792, 1.792, 1.782, 1.772, 1.759, 1.745, 1.729, 1.718, 1.716,
- 1.725, 1.729, 1.738, 1.756, 1.775, 1.785, 1.796, 1.803, 1.804, 1.794, 1.783, 1.772, 1.757, 1.736, 1.722, 1.718,
- 1.728, 1.731, 1.741, 1.759, 1.781, 1.795, 1.803, 1.806, 1.808, 1.805, 1.791, 1.779, 1.762, 1.739, 1.722, 1.721,
- 1.727, 1.731, 1.741, 1.759, 1.781, 1.791, 1.799, 1.804, 1.806, 1.801, 1.791, 1.779, 1.762, 1.739, 1.722, 1.717,
- 1.722, 1.724, 1.733, 1.751, 1.768, 1.781, 1.791, 1.796, 1.799, 1.791, 1.781, 1.766, 1.754, 1.731, 1.717, 1.714,
- 1.718, 1.718, 1.724, 1.737, 1.752, 1.768, 1.776, 1.782, 1.784, 1.781, 1.766, 1.754, 1.737, 1.724, 1.713, 1.709,
- 1.716, 1.715, 1.716, 1.725, 1.737, 1.749, 1.756, 1.763, 1.764, 1.762, 1.749, 1.737, 1.724, 1.717, 1.709, 1.708,
- 1.715, 1.714, 1.712, 1.715, 1.722, 1.729, 1.736, 1.741, 1.742, 1.739, 1.731, 1.723, 1.717, 1.712, 1.711, 1.709,
- 1.716, 1.714, 1.711, 1.712, 1.715, 1.719, 1.723, 1.728, 1.731, 1.729, 1.723, 1.718, 1.711, 1.711, 1.713, 1.713
- ]
- },
- {
- "ct": 6000, "table":
- [
- 1.374, 1.372, 1.373, 1.374, 1.375, 1.378, 1.378, 1.381, 1.382, 1.382, 1.378, 1.373, 1.372, 1.369, 1.365, 1.365,
- 1.371, 1.371, 1.372, 1.374, 1.378, 1.381, 1.384, 1.386, 1.388, 1.387, 1.384, 1.377, 1.372, 1.368, 1.364, 1.362,
- 1.369, 1.371, 1.372, 1.377, 1.383, 1.391, 1.394, 1.396, 1.397, 1.395, 1.391, 1.382, 1.374, 1.369, 1.362, 1.361,
- 1.369, 1.371, 1.375, 1.383, 1.391, 1.399, 1.402, 1.404, 1.405, 1.403, 1.398, 1.391, 1.379, 1.371, 1.363, 1.361,
- 1.371, 1.373, 1.378, 1.388, 1.399, 1.407, 1.411, 1.413, 1.413, 1.411, 1.405, 1.397, 1.385, 1.374, 1.366, 1.362,
- 1.371, 1.374, 1.379, 1.389, 1.405, 1.411, 1.414, 1.414, 1.415, 1.415, 1.411, 1.401, 1.388, 1.376, 1.367, 1.363,
- 1.371, 1.373, 1.379, 1.389, 1.405, 1.408, 1.413, 1.414, 1.414, 1.413, 1.409, 1.401, 1.388, 1.376, 1.367, 1.362,
- 1.366, 1.369, 1.374, 1.384, 1.396, 1.404, 1.407, 1.408, 1.408, 1.408, 1.401, 1.395, 1.382, 1.371, 1.363, 1.359,
- 1.364, 1.365, 1.368, 1.375, 1.386, 1.396, 1.399, 1.401, 1.399, 1.399, 1.395, 1.385, 1.374, 1.365, 1.359, 1.357,
- 1.361, 1.363, 1.365, 1.368, 1.377, 1.384, 1.388, 1.391, 1.391, 1.388, 1.385, 1.375, 1.366, 1.361, 1.358, 1.356,
- 1.361, 1.362, 1.362, 1.364, 1.367, 1.373, 1.376, 1.377, 1.377, 1.375, 1.373, 1.366, 1.362, 1.358, 1.358, 1.358,
- 1.361, 1.362, 1.362, 1.362, 1.363, 1.367, 1.369, 1.368, 1.367, 1.367, 1.367, 1.364, 1.358, 1.357, 1.358, 1.359
- ]
- }
- ],
- "luminance_lut":
- [
- 2.716, 2.568, 2.299, 2.065, 1.845, 1.693, 1.605, 1.597, 1.596, 1.634, 1.738, 1.914, 2.145, 2.394, 2.719, 2.901,
- 2.593, 2.357, 2.093, 1.876, 1.672, 1.528, 1.438, 1.393, 1.394, 1.459, 1.569, 1.731, 1.948, 2.169, 2.481, 2.756,
- 2.439, 2.197, 1.922, 1.691, 1.521, 1.365, 1.266, 1.222, 1.224, 1.286, 1.395, 1.573, 1.747, 1.988, 2.299, 2.563,
- 2.363, 2.081, 1.797, 1.563, 1.376, 1.244, 1.152, 1.099, 1.101, 1.158, 1.276, 1.421, 1.607, 1.851, 2.163, 2.455,
- 2.342, 2.003, 1.715, 1.477, 1.282, 1.152, 1.074, 1.033, 1.035, 1.083, 1.163, 1.319, 1.516, 1.759, 2.064, 2.398,
- 2.342, 1.985, 1.691, 1.446, 1.249, 1.111, 1.034, 1.004, 1.004, 1.028, 1.114, 1.274, 1.472, 1.716, 2.019, 2.389,
- 2.342, 1.991, 1.691, 1.446, 1.249, 1.112, 1.034, 1.011, 1.005, 1.035, 1.114, 1.274, 1.472, 1.716, 2.019, 2.389,
- 2.365, 2.052, 1.751, 1.499, 1.299, 1.171, 1.089, 1.039, 1.042, 1.084, 1.162, 1.312, 1.516, 1.761, 2.059, 2.393,
- 2.434, 2.159, 1.856, 1.601, 1.403, 1.278, 1.166, 1.114, 1.114, 1.162, 1.266, 1.402, 1.608, 1.847, 2.146, 2.435,
- 2.554, 2.306, 2.002, 1.748, 1.563, 1.396, 1.299, 1.247, 1.243, 1.279, 1.386, 1.551, 1.746, 1.977, 2.272, 2.518,
- 2.756, 2.493, 2.195, 1.947, 1.739, 1.574, 1.481, 1.429, 1.421, 1.457, 1.559, 1.704, 1.929, 2.159, 2.442, 2.681,
- 2.935, 2.739, 2.411, 2.151, 1.922, 1.749, 1.663, 1.628, 1.625, 1.635, 1.716, 1.872, 2.113, 2.368, 2.663, 2.824
- ],
- "sigma": 0.00381,
- "sigma_Cb": 0.00216
- },
- "rpi.contrast":
- {
- "ce_enable": 1,
- "gamma_curve":
- [
- 0, 0, 1024, 5040, 2048, 9338, 3072, 12356, 4096, 15312, 5120, 18051, 6144, 20790, 7168, 23193,
- 8192, 25744, 9216, 27942, 10240, 30035, 11264, 32005, 12288, 33975, 13312, 35815, 14336, 37600, 15360, 39168,
- 16384, 40642, 18432, 43379, 20480, 45749, 22528, 47753, 24576, 49621, 26624, 51253, 28672, 52698, 30720, 53796,
- 32768, 54876, 36864, 57012, 40960, 58656, 45056, 59954, 49152, 61183, 53248, 62355, 57344, 63419, 61440, 64476,
- 65535, 65535
- ]
- },
- "rpi.ccm":
- {
- "ccms":
- [
- {
- "ct": 2498, "ccm":
- [
- 1.58731, -0.18011, -0.40721, -0.60639, 2.03422, -0.42782, -0.19612, -1.69203, 2.88815
- ]
- },
- {
- "ct": 2811, "ccm":
- [
- 1.61593, -0.33164, -0.28429, -0.55048, 1.97779, -0.42731, -0.12042, -1.42847, 2.54889
- ]
- },
- {
- "ct": 2911, "ccm":
- [
- 1.62771, -0.41282, -0.21489, -0.57991, 2.04176, -0.46186, -0.07613, -1.13359, 2.20972
- ]
- },
- {
- "ct": 2919, "ccm":
- [
- 1.62661, -0.37736, -0.24925, -0.52519, 1.95233, -0.42714, -0.10842, -1.34929, 2.45771
- ]
- },
- {
- "ct": 3627, "ccm":
- [
- 1.70385, -0.57231, -0.13154, -0.47763, 1.85998, -0.38235, -0.07467, -0.82678, 1.90145
- ]
- },
- {
- "ct": 4600, "ccm":
- [
- 1.68486, -0.61085, -0.07402, -0.41927, 2.04016, -0.62089, -0.08633, -0.67672, 1.76305
- ]
- },
- {
- "ct": 5716, "ccm":
- [
- 1.80439, -0.73699, -0.06739, -0.36073, 1.83327, -0.47255, -0.08378, -0.56403, 1.64781
- ]
- },
- {
- "ct": 8575, "ccm":
- [
- 1.89357, -0.76427, -0.12931, -0.27399, 2.15605, -0.88206, -0.12035, -0.68256, 1.80292
- ]
- }
- ]
- },
- "rpi.sharpen":
- {
-
- },
- "rpi.dpc":
- {
-
- }
-}
diff --git a/src/ipa/raspberrypi/data/imx219_noir.json b/src/ipa/raspberrypi/data/imx219_noir.json
deleted file mode 100644
index 9a3f03ec..00000000
--- a/src/ipa/raspberrypi/data/imx219_noir.json
+++ /dev/null
@@ -1,344 +0,0 @@
-{
- "rpi.black_level":
- {
- "black_level": 4096
- },
- "rpi.dpc":
- {
-
- },
- "rpi.lux":
- {
- "reference_shutter_speed": 27685,
- "reference_gain": 1.0,
- "reference_aperture": 1.0,
- "reference_lux": 998,
- "reference_Y": 12744
- },
- "rpi.noise":
- {
- "reference_constant": 0,
- "reference_slope": 3.67
- },
- "rpi.geq":
- {
- "offset": 204,
- "slope": 0.01633
- },
- "rpi.sdn":
- {
-
- },
- "rpi.awb":
- {
- "bayes": 0
- },
- "rpi.agc":
- {
- "metering_modes":
- {
- "centre-weighted":
- {
- "weights":
- [
- 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0
- ]
- },
- "spot":
- {
- "weights":
- [
- 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
- ]
- },
- "matrix":
- {
- "weights":
- [
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
- ]
- }
- },
- "exposure_modes":
- {
- "normal":
- {
- "shutter":
- [
- 100, 10000, 30000, 60000, 66666
- ],
- "gain":
- [
- 1.0, 2.0, 4.0, 6.0, 8.0
- ]
- },
- "short":
- {
- "shutter":
- [
- 100, 5000, 10000, 20000, 33333
- ],
- "gain":
- [
- 1.0, 2.0, 4.0, 6.0, 8.0
- ]
- },
- "long":
- {
- "shutter":
- [
- 100, 10000, 30000, 60000, 120000
- ],
- "gain":
- [
- 1.0, 2.0, 4.0, 6.0, 12.0
- ]
- }
- },
- "constraint_modes":
- {
- "normal":
- [
- {
- "bound": "LOWER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
- [
- 0, 0.5, 1000, 0.5
- ]
- }
- ],
- "highlight":
- [
- {
- "bound": "LOWER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
- [
- 0, 0.5, 1000, 0.5
- ]
- },
- {
- "bound": "UPPER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
- [
- 0, 0.8, 1000, 0.8
- ]
- }
- ],
- "shadows":
- [
- {
- "bound": "LOWER", "q_lo": 0.0, "q_hi": 0.5, "y_target":
- [
- 0, 0.17, 1000, 0.17
- ]
- }
- ]
- },
- "y_target":
- [
- 0, 0.16, 1000, 0.165, 10000, 0.17
- ]
- },
- "rpi.alsc":
- {
- "omega": 1.3,
- "n_iter": 100,
- "luminance_strength": 0.7,
- "calibrations_Cr":
- [
- {
- "ct": 3000, "table":
- [
- 1.487, 1.481, 1.481, 1.445, 1.389, 1.327, 1.307, 1.307, 1.307, 1.309, 1.341, 1.405, 1.458, 1.494, 1.494, 1.497,
- 1.491, 1.481, 1.448, 1.397, 1.331, 1.275, 1.243, 1.229, 1.229, 1.249, 1.287, 1.349, 1.409, 1.463, 1.494, 1.497,
- 1.491, 1.469, 1.405, 1.331, 1.275, 1.217, 1.183, 1.172, 1.172, 1.191, 1.231, 1.287, 1.349, 1.424, 1.484, 1.499,
- 1.487, 1.444, 1.363, 1.283, 1.217, 1.183, 1.148, 1.138, 1.138, 1.159, 1.191, 1.231, 1.302, 1.385, 1.461, 1.492,
- 1.481, 1.423, 1.334, 1.253, 1.189, 1.148, 1.135, 1.119, 1.123, 1.137, 1.159, 1.203, 1.272, 1.358, 1.442, 1.488,
- 1.479, 1.413, 1.321, 1.236, 1.176, 1.139, 1.118, 1.114, 1.116, 1.123, 1.149, 1.192, 1.258, 1.344, 1.432, 1.487,
- 1.479, 1.413, 1.321, 1.236, 1.176, 1.139, 1.116, 1.114, 1.115, 1.123, 1.149, 1.192, 1.258, 1.344, 1.432, 1.487,
- 1.479, 1.425, 1.336, 1.251, 1.189, 1.149, 1.136, 1.118, 1.121, 1.138, 1.158, 1.206, 1.275, 1.358, 1.443, 1.488,
- 1.488, 1.448, 1.368, 1.285, 1.219, 1.189, 1.149, 1.139, 1.139, 1.158, 1.195, 1.235, 1.307, 1.387, 1.462, 1.493,
- 1.496, 1.475, 1.411, 1.337, 1.284, 1.219, 1.189, 1.176, 1.176, 1.195, 1.235, 1.296, 1.356, 1.429, 1.487, 1.501,
- 1.495, 1.489, 1.458, 1.407, 1.337, 1.287, 1.253, 1.239, 1.239, 1.259, 1.296, 1.356, 1.419, 1.472, 1.499, 1.499,
- 1.494, 1.489, 1.489, 1.453, 1.398, 1.336, 1.317, 1.317, 1.317, 1.321, 1.351, 1.416, 1.467, 1.501, 1.501, 1.499
- ]
- },
- {
- "ct": 3850, "table":
- [
- 1.694, 1.688, 1.688, 1.649, 1.588, 1.518, 1.495, 1.495, 1.495, 1.497, 1.532, 1.602, 1.659, 1.698, 1.698, 1.703,
- 1.698, 1.688, 1.653, 1.597, 1.525, 1.464, 1.429, 1.413, 1.413, 1.437, 1.476, 1.542, 1.606, 1.665, 1.698, 1.703,
- 1.697, 1.673, 1.605, 1.525, 1.464, 1.401, 1.369, 1.354, 1.354, 1.377, 1.417, 1.476, 1.542, 1.623, 1.687, 1.705,
- 1.692, 1.646, 1.561, 1.472, 1.401, 1.368, 1.337, 1.323, 1.324, 1.348, 1.377, 1.417, 1.492, 1.583, 1.661, 1.697,
- 1.686, 1.625, 1.528, 1.439, 1.372, 1.337, 1.321, 1.311, 1.316, 1.324, 1.348, 1.389, 1.461, 1.553, 1.642, 1.694,
- 1.684, 1.613, 1.514, 1.423, 1.359, 1.328, 1.311, 1.306, 1.306, 1.316, 1.339, 1.378, 1.446, 1.541, 1.633, 1.693,
- 1.684, 1.613, 1.514, 1.423, 1.359, 1.328, 1.311, 1.305, 1.305, 1.316, 1.339, 1.378, 1.446, 1.541, 1.633, 1.693,
- 1.685, 1.624, 1.529, 1.438, 1.372, 1.336, 1.324, 1.309, 1.314, 1.323, 1.348, 1.392, 1.462, 1.555, 1.646, 1.694,
- 1.692, 1.648, 1.561, 1.473, 1.403, 1.372, 1.336, 1.324, 1.324, 1.348, 1.378, 1.423, 1.495, 1.585, 1.667, 1.701,
- 1.701, 1.677, 1.608, 1.527, 1.471, 1.403, 1.375, 1.359, 1.359, 1.378, 1.423, 1.488, 1.549, 1.631, 1.694, 1.709,
- 1.702, 1.694, 1.656, 1.601, 1.527, 1.473, 1.441, 1.424, 1.424, 1.443, 1.488, 1.549, 1.621, 1.678, 1.706, 1.707,
- 1.699, 1.694, 1.694, 1.654, 1.593, 1.525, 1.508, 1.508, 1.508, 1.509, 1.546, 1.614, 1.674, 1.708, 1.708, 1.707
- ]
- },
- {
- "ct": 6000, "table":
- [
- 2.179, 2.176, 2.176, 2.125, 2.048, 1.975, 1.955, 1.954, 1.954, 1.956, 1.993, 2.071, 2.141, 2.184, 2.185, 2.188,
- 2.189, 2.176, 2.128, 2.063, 1.973, 1.908, 1.872, 1.856, 1.856, 1.876, 1.922, 1.999, 2.081, 2.144, 2.184, 2.192,
- 2.187, 2.152, 2.068, 1.973, 1.907, 1.831, 1.797, 1.786, 1.786, 1.804, 1.853, 1.922, 1.999, 2.089, 2.166, 2.191,
- 2.173, 2.117, 2.013, 1.908, 1.831, 1.791, 1.755, 1.749, 1.749, 1.767, 1.804, 1.853, 1.939, 2.041, 2.135, 2.181,
- 2.166, 2.089, 1.975, 1.869, 1.792, 1.755, 1.741, 1.731, 1.734, 1.749, 1.767, 1.818, 1.903, 2.005, 2.111, 2.173,
- 2.165, 2.074, 1.956, 1.849, 1.777, 1.742, 1.729, 1.725, 1.729, 1.734, 1.758, 1.804, 1.884, 1.991, 2.099, 2.172,
- 2.165, 2.074, 1.956, 1.849, 1.777, 1.742, 1.727, 1.724, 1.725, 1.734, 1.758, 1.804, 1.884, 1.991, 2.099, 2.172,
- 2.166, 2.085, 1.975, 1.869, 1.791, 1.755, 1.741, 1.729, 1.733, 1.749, 1.769, 1.819, 1.904, 2.009, 2.114, 2.174,
- 2.174, 2.118, 2.015, 1.913, 1.831, 1.791, 1.755, 1.749, 1.749, 1.769, 1.811, 1.855, 1.943, 2.047, 2.139, 2.183,
- 2.187, 2.151, 2.072, 1.979, 1.911, 1.831, 1.801, 1.791, 1.791, 1.811, 1.855, 1.933, 2.006, 2.101, 2.173, 2.197,
- 2.189, 2.178, 2.132, 2.069, 1.979, 1.913, 1.879, 1.867, 1.867, 1.891, 1.933, 2.006, 2.091, 2.156, 2.195, 2.197,
- 2.181, 2.179, 2.178, 2.131, 2.057, 1.981, 1.965, 1.965, 1.965, 1.969, 1.999, 2.083, 2.153, 2.197, 2.197, 2.196
- ]
- }
- ],
- "calibrations_Cb":
- [
- {
- "ct": 3000, "table":
- [
- 1.967, 1.961, 1.955, 1.953, 1.954, 1.957, 1.961, 1.963, 1.963, 1.961, 1.959, 1.957, 1.954, 1.951, 1.951, 1.955,
- 1.961, 1.959, 1.957, 1.956, 1.962, 1.967, 1.975, 1.979, 1.979, 1.975, 1.971, 1.967, 1.957, 1.952, 1.951, 1.951,
- 1.959, 1.959, 1.959, 1.966, 1.976, 1.989, 1.999, 2.004, 2.003, 1.997, 1.991, 1.981, 1.967, 1.956, 1.951, 1.951,
- 1.959, 1.962, 1.967, 1.978, 1.993, 2.009, 2.021, 2.028, 2.026, 2.021, 2.011, 1.995, 1.981, 1.964, 1.953, 1.951,
- 1.961, 1.965, 1.977, 1.993, 2.009, 2.023, 2.041, 2.047, 2.047, 2.037, 2.024, 2.011, 1.995, 1.975, 1.958, 1.953,
- 1.963, 1.968, 1.981, 2.001, 2.019, 2.039, 2.046, 2.052, 2.052, 2.051, 2.035, 2.021, 2.001, 1.978, 1.959, 1.955,
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- ]
- },
- {
- "ct": 6000, "table":
- [
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- 1.369, 1.371, 1.372, 1.377, 1.383, 1.391, 1.394, 1.396, 1.397, 1.395, 1.391, 1.382, 1.374, 1.369, 1.362, 1.361,
- 1.369, 1.371, 1.375, 1.383, 1.391, 1.399, 1.402, 1.404, 1.405, 1.403, 1.398, 1.391, 1.379, 1.371, 1.363, 1.361,
- 1.371, 1.373, 1.378, 1.388, 1.399, 1.407, 1.411, 1.413, 1.413, 1.411, 1.405, 1.397, 1.385, 1.374, 1.366, 1.362,
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- 1.364, 1.365, 1.368, 1.375, 1.386, 1.396, 1.399, 1.401, 1.399, 1.399, 1.395, 1.385, 1.374, 1.365, 1.359, 1.357,
- 1.361, 1.363, 1.365, 1.368, 1.377, 1.384, 1.388, 1.391, 1.391, 1.388, 1.385, 1.375, 1.366, 1.361, 1.358, 1.356,
- 1.361, 1.362, 1.362, 1.364, 1.367, 1.373, 1.376, 1.377, 1.377, 1.375, 1.373, 1.366, 1.362, 1.358, 1.358, 1.358,
- 1.361, 1.362, 1.362, 1.362, 1.363, 1.367, 1.369, 1.368, 1.367, 1.367, 1.367, 1.364, 1.358, 1.357, 1.358, 1.359
- ]
- }
- ],
- "luminance_lut":
- [
- 2.716, 2.568, 2.299, 2.065, 1.845, 1.693, 1.605, 1.597, 1.596, 1.634, 1.738, 1.914, 2.145, 2.394, 2.719, 2.901,
- 2.593, 2.357, 2.093, 1.876, 1.672, 1.528, 1.438, 1.393, 1.394, 1.459, 1.569, 1.731, 1.948, 2.169, 2.481, 2.756,
- 2.439, 2.197, 1.922, 1.691, 1.521, 1.365, 1.266, 1.222, 1.224, 1.286, 1.395, 1.573, 1.747, 1.988, 2.299, 2.563,
- 2.363, 2.081, 1.797, 1.563, 1.376, 1.244, 1.152, 1.099, 1.101, 1.158, 1.276, 1.421, 1.607, 1.851, 2.163, 2.455,
- 2.342, 2.003, 1.715, 1.477, 1.282, 1.152, 1.074, 1.033, 1.035, 1.083, 1.163, 1.319, 1.516, 1.759, 2.064, 2.398,
- 2.342, 1.985, 1.691, 1.446, 1.249, 1.111, 1.034, 1.004, 1.004, 1.028, 1.114, 1.274, 1.472, 1.716, 2.019, 2.389,
- 2.342, 1.991, 1.691, 1.446, 1.249, 1.112, 1.034, 1.011, 1.005, 1.035, 1.114, 1.274, 1.472, 1.716, 2.019, 2.389,
- 2.365, 2.052, 1.751, 1.499, 1.299, 1.171, 1.089, 1.039, 1.042, 1.084, 1.162, 1.312, 1.516, 1.761, 2.059, 2.393,
- 2.434, 2.159, 1.856, 1.601, 1.403, 1.278, 1.166, 1.114, 1.114, 1.162, 1.266, 1.402, 1.608, 1.847, 2.146, 2.435,
- 2.554, 2.306, 2.002, 1.748, 1.563, 1.396, 1.299, 1.247, 1.243, 1.279, 1.386, 1.551, 1.746, 1.977, 2.272, 2.518,
- 2.756, 2.493, 2.195, 1.947, 1.739, 1.574, 1.481, 1.429, 1.421, 1.457, 1.559, 1.704, 1.929, 2.159, 2.442, 2.681,
- 2.935, 2.739, 2.411, 2.151, 1.922, 1.749, 1.663, 1.628, 1.625, 1.635, 1.716, 1.872, 2.113, 2.368, 2.663, 2.824
- ],
- "sigma": 0.00381,
- "sigma_Cb": 0.00216
- },
- "rpi.contrast":
- {
- "ce_enable": 1,
- "gamma_curve":
- [
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- 8192, 25744, 9216, 27942, 10240, 30035, 11264, 32005, 12288, 33975, 13312, 35815, 14336, 37600, 15360, 39168,
- 16384, 40642, 18432, 43379, 20480, 45749, 22528, 47753, 24576, 49621, 26624, 51253, 28672, 52698, 30720, 53796,
- 32768, 54876, 36864, 57012, 40960, 58656, 45056, 59954, 49152, 61183, 53248, 62355, 57344, 63419, 61440, 64476,
- 65535, 65535
- ]
- },
- "rpi.ccm":
- {
- "ccms":
- [
- {
- "ct": 2498, "ccm":
- [
- 1.58731, -0.18011, -0.40721, -0.60639, 2.03422, -0.42782, -0.19612, -1.69203, 2.88815
- ]
- },
- {
- "ct": 2811, "ccm":
- [
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- ]
- },
- {
- "ct": 2911, "ccm":
- [
- 1.62771, -0.41282, -0.21489, -0.57991, 2.04176, -0.46186, -0.07613, -1.13359, 2.20972
- ]
- },
- {
- "ct": 2919, "ccm":
- [
- 1.62661, -0.37736, -0.24925, -0.52519, 1.95233, -0.42714, -0.10842, -1.34929, 2.45771
- ]
- },
- {
- "ct": 3627, "ccm":
- [
- 1.70385, -0.57231, -0.13154, -0.47763, 1.85998, -0.38235, -0.07467, -0.82678, 1.90145
- ]
- },
- {
- "ct": 4600, "ccm":
- [
- 1.68486, -0.61085, -0.07402, -0.41927, 2.04016, -0.62089, -0.08633, -0.67672, 1.76305
- ]
- },
- {
- "ct": 5716, "ccm":
- [
- 1.80439, -0.73699, -0.06739, -0.36073, 1.83327, -0.47255, -0.08378, -0.56403, 1.64781
- ]
- },
- {
- "ct": 8575, "ccm":
- [
- 1.89357, -0.76427, -0.12931, -0.27399, 2.15605, -0.88206, -0.12035, -0.68256, 1.80292
- ]
- }
- ]
- },
- "rpi.sharpen":
- {
-
- },
- "rpi.dpc":
- {
-
- }
-}
diff --git a/src/ipa/raspberrypi/data/imx290.json b/src/ipa/raspberrypi/data/imx290.json
deleted file mode 100644
index 20b45c16..00000000
--- a/src/ipa/raspberrypi/data/imx290.json
+++ /dev/null
@@ -1,165 +0,0 @@
-{
- "rpi.black_level":
- {
- "black_level": 3840
- },
- "rpi.dpc":
- {
- },
- "rpi.lux":
- {
- "reference_shutter_speed": 6813,
- "reference_gain": 1.0,
- "reference_aperture": 1.0,
- "reference_lux": 890,
- "reference_Y": 12900
- },
- "rpi.noise":
- {
- "reference_constant": 0,
- "reference_slope": 2.67
- },
- "rpi.geq":
- {
- "offset": 187,
- "slope": 0.00842
- },
- "rpi.sdn":
- {
- },
- "rpi.awb":
- {
- "bayes": 0
- },
- "rpi.agc":
- {
- "speed": 0.2,
- "metering_modes":
- {
- "matrix":
- {
- "weights":
- [
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
- ]
- },
- "centre-weighted":
- {
- "weights":
- [
- 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0
- ]
- },
- "spot":
- {
- "weights":
- [
- 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
- ]
- }
- },
- "exposure_modes":
- {
- "normal":
- {
- "shutter":
- [
- 10, 30000, 60000
- ],
- "gain":
- [
- 1.0, 2.0, 8.0
- ]
- },
- "sport":
- {
- "shutter":
- [
- 10, 5000, 10000, 20000, 120000
- ],
- "gain":
- [
- 1.0, 2.0, 4.0, 6.0, 8.0
- ]
- }
- },
- "constraint_modes":
- {
- "normal":
- [
- ],
- "highlight":
- [
- {
- "bound": "LOWER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
- [
- 0, 0.5, 1000, 0.5
- ]
- },
- {
- "bound": "UPPER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
- [
- 0, 0.8, 1000, 0.8
- ]
- }
- ]
- },
- "y_target":
- [
- 0, 0.16, 1000, 0.16, 10000, 0.16
- ]
- },
- "rpi.alsc":
- {
- "omega": 1.3,
- "n_iter": 100,
- "luminance_strength": 0.7,
- "luminance_lut":
- [
- 2.844, 2.349, 2.018, 1.775, 1.599, 1.466, 1.371, 1.321, 1.306, 1.316, 1.357, 1.439, 1.552, 1.705, 1.915, 2.221,
- 2.576, 2.151, 1.851, 1.639, 1.478, 1.358, 1.272, 1.231, 1.218, 1.226, 1.262, 1.335, 1.438, 1.571, 1.766, 2.067,
- 2.381, 2.005, 1.739, 1.545, 1.389, 1.278, 1.204, 1.166, 1.153, 1.161, 1.194, 1.263, 1.356, 1.489, 1.671, 1.943,
- 2.242, 1.899, 1.658, 1.481, 1.329, 1.225, 1.156, 1.113, 1.096, 1.107, 1.143, 1.201, 1.289, 1.423, 1.607, 1.861,
- 2.152, 1.831, 1.602, 1.436, 1.291, 1.193, 1.121, 1.069, 1.047, 1.062, 1.107, 1.166, 1.249, 1.384, 1.562, 1.801,
- 2.104, 1.795, 1.572, 1.407, 1.269, 1.174, 1.099, 1.041, 1.008, 1.029, 1.083, 1.146, 1.232, 1.364, 1.547, 1.766,
- 2.104, 1.796, 1.572, 1.403, 1.264, 1.171, 1.097, 1.036, 1.001, 1.025, 1.077, 1.142, 1.231, 1.363, 1.549, 1.766,
- 2.148, 1.827, 1.594, 1.413, 1.276, 1.184, 1.114, 1.062, 1.033, 1.049, 1.092, 1.153, 1.242, 1.383, 1.577, 1.795,
- 2.211, 1.881, 1.636, 1.455, 1.309, 1.214, 1.149, 1.104, 1.081, 1.089, 1.125, 1.184, 1.273, 1.423, 1.622, 1.846,
- 2.319, 1.958, 1.698, 1.516, 1.362, 1.262, 1.203, 1.156, 1.137, 1.142, 1.171, 1.229, 1.331, 1.484, 1.682, 1.933,
- 2.459, 2.072, 1.789, 1.594, 1.441, 1.331, 1.261, 1.219, 1.199, 1.205, 1.232, 1.301, 1.414, 1.571, 1.773, 2.052,
- 2.645, 2.206, 1.928, 1.728, 1.559, 1.451, 1.352, 1.301, 1.282, 1.289, 1.319, 1.395, 1.519, 1.685, 1.904, 2.227
- ],
- "sigma": 0.005,
- "sigma_Cb": 0.005
- },
- "rpi.contrast":
- {
- "ce_enable": 1,
- "gamma_curve":
- [
- 0, 0, 1024, 5040, 2048, 9338, 3072, 12356, 4096, 15312, 5120, 18051, 6144, 20790, 7168, 23193,
- 8192, 25744, 9216, 27942, 10240, 30035, 11264, 32005, 12288, 33975, 13312, 35815, 14336, 37600, 15360, 39168,
- 16384, 40642, 18432, 43379, 20480, 45749, 22528, 47753, 24576, 49621, 26624, 51253, 28672, 52698, 30720, 53796,
- 32768, 54876, 36864, 57012, 40960, 58656, 45056, 59954, 49152, 61183, 53248, 62355, 57344, 63419, 61440, 64476,
- 65535, 65535
- ]
- },
- "rpi.sharpen":
- {
- },
- "rpi.ccm":
- {
- "ccms":
- [
- {
- "ct": 3900, "ccm":
- [
- 1.54659, -0.17707, -0.36953, -0.51471, 1.72733, -0.21262, 0.06667, -0.92279, 1.85612
- ]
- }
- ]
- },
- "rpi.focus":
- {
- }
-}
diff --git a/src/ipa/raspberrypi/data/imx296.json b/src/ipa/raspberrypi/data/imx296.json
deleted file mode 100644
index 837feff5..00000000
--- a/src/ipa/raspberrypi/data/imx296.json
+++ /dev/null
@@ -1,191 +0,0 @@
-{
- "rpi.black_level":
- {
- "black_level": 4096
- },
- "rpi.dpc":
- {
- },
- "rpi.lux":
- {
- "reference_shutter_speed": 19184,
- "reference_gain": 1.0,
- "reference_aperture": 1.0,
- "reference_lux": 432,
- "reference_Y": 13773
- },
- "rpi.noise":
- {
- "reference_constant": 0,
- "reference_slope": 2.957
- },
- "rpi.geq":
- {
- "offset": 185,
- "slope": 0.0105
- },
- "rpi.sdn":
- {
- },
- "rpi.agc":
- {
- "metering_modes":
- {
- "centre-weighted":
- {
- "weights":
- [
- 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0
- ]
- },
- "spot":
- {
- "weights":
- [
- 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
- ]
- },
- "matrix":
- {
- "weights":
- [
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
- ]
- }
- },
- "exposure_modes":
- {
- "normal":
- {
- "shutter":
- [
- 100, 10000, 30000, 60000, 120000
- ],
- "gain":
- [
- 1.0, 2.0, 4.0, 6.0, 6.0
- ]
- },
- "short":
- {
- "shutter":
- [
- 100, 5000, 10000, 20000, 120000
- ],
- "gain":
- [
- 1.0, 2.0, 4.0, 6.0, 6.0
- ]
- }
- },
- "constraint_modes":
- {
- "normal":
- [
- {
- "bound": "LOWER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
- [
- 0, 0.5, 1000, 0.5
- ]
- }
- ],
- "highlight":
- [
- {
- "bound": "LOWER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
- [
- 0, 0.5, 1000, 0.5
- ]
- },
- {
- "bound": "UPPER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
- [
- 0, 0.8, 1000, 0.8
- ]
- }
- ]
- },
- "y_target":
- [
- 0, 0.16, 1000, 0.165, 10000, 0.17
- ]
- },
- "rpi.alsc":
- {
- "omega": 1.3,
- "n_iter": 0,
- "luminance_strength": 0.5,
- "calibrations_Cr":
- [
- {
- "ct": 4000, "table":
- [
- 2.554, 2.554, 2.541, 2.534, 2.495, 2.506, 2.516, 2.517, 2.518, 2.515, 2.513, 2.495, 2.481, 2.533, 2.533, 2.521,
- 2.522, 2.534, 2.539, 2.531, 2.531, 2.506, 2.506, 2.513, 2.513, 2.509, 2.498, 2.496, 2.508, 2.517, 2.521, 2.521,
- 2.509, 2.517, 2.534, 2.529, 2.531, 2.521, 2.517, 2.517, 2.515, 2.514, 2.506, 2.499, 2.508, 2.508, 2.521, 2.537,
- 2.507, 2.508, 2.517, 2.516, 2.495, 2.487, 2.519, 2.534, 2.535, 2.531, 2.499, 2.494, 2.501, 2.511, 2.526, 2.526,
- 2.509, 2.517, 2.507, 2.501, 2.494, 2.519, 2.539, 2.539, 2.537, 2.537, 2.533, 2.499, 2.503, 2.511, 2.529, 2.525,
- 2.521, 2.522, 2.476, 2.501, 2.501, 2.539, 2.546, 2.538, 2.531, 2.538, 2.541, 2.531, 2.529, 2.526, 2.529, 2.525,
- 2.516, 2.519, 2.469, 2.499, 2.499, 2.543, 2.543, 2.531, 2.528, 2.534, 2.541, 2.535, 2.531, 2.526, 2.531, 2.528,
- 2.509, 2.515, 2.465, 2.487, 2.487, 2.539, 2.543, 2.539, 2.533, 2.549, 2.542, 2.531, 2.529, 2.524, 2.532, 2.533,
- 2.499, 2.499, 2.475, 2.482, 2.471, 2.509, 2.539, 2.544, 2.543, 2.545, 2.533, 2.498, 2.521, 2.521, 2.537, 2.536,
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- ]
- }
- ],
- "calibrations_Cb":
- [
- {
- "ct": 4000, "table":
- [
- 2.619, 2.603, 2.599, 2.597, 2.595, 2.594, 2.589, 2.587, 2.586, 2.589, 2.592, 2.597, 2.601, 2.608, 2.621, 2.621,
- 2.619, 2.615, 2.603, 2.601, 2.596, 2.595, 2.591, 2.589, 2.589, 2.592, 2.599, 2.593, 2.601, 2.613, 2.622, 2.631,
- 2.617, 2.617, 2.612, 2.611, 2.604, 2.598, 2.593, 2.591, 2.592, 2.591, 2.593, 2.595, 2.599, 2.614, 2.623, 2.631,
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- 2.645, 2.646, 2.649, 2.649, 2.638, 2.624, 2.616, 2.617, 2.609, 2.604, 2.603, 2.603, 2.595, 2.589, 2.587, 2.592,
- 2.641, 2.643, 2.649, 2.647, 2.638, 2.618, 2.615, 2.608, 2.602, 2.595, 2.596, 2.595, 2.593, 2.584, 2.581, 2.583,
- 2.638, 2.637, 2.647, 2.634, 2.634, 2.618, 2.621, 2.621, 2.611, 2.602, 2.596, 2.583, 2.581, 2.581, 2.576, 2.574
- ]
- }
- ],
- "luminance_lut":
- [
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- 1.293, 1.249, 1.199, 1.162, 1.136, 1.109, 1.087, 1.077, 1.072, 1.081, 1.095, 1.103, 1.133, 1.172, 1.225, 1.282,
- 1.251, 1.212, 1.186, 1.159, 1.129, 1.114, 1.102, 1.088, 1.088, 1.088, 1.095, 1.117, 1.123, 1.158, 1.198, 1.249,
- 1.223, 1.192, 1.177, 1.163, 1.147, 1.139, 1.132, 1.112, 1.111, 1.107, 1.113, 1.118, 1.139, 1.155, 1.186, 1.232,
- 1.207, 1.186, 1.171, 1.162, 1.168, 1.163, 1.153, 1.138, 1.129, 1.128, 1.132, 1.136, 1.149, 1.167, 1.189, 1.216,
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- ],
- "sigma": 0.005,
- "sigma_Cb": 0.005
- },
- "rpi.contrast":
- {
- "ce_enable": 1,
- "gamma_curve":
- [
- 0, 0, 1024, 5040, 2048, 9338, 3072, 12356, 4096, 15312, 5120, 18051, 6144, 20790, 7168, 23193,
- 8192, 25744, 9216, 27942, 10240, 30035, 11264, 32005, 12288, 33975, 13312, 35815, 14336, 37600, 15360, 39168,
- 16384, 40642, 18432, 43379, 20480, 45749, 22528, 47753, 24576, 49621, 26624, 51253, 28672, 52698, 30720, 53796,
- 32768, 54876, 36864, 57012, 40960, 58656, 45056, 59954, 49152, 61183, 53248, 62355, 57344, 63419, 61440, 64476,
- 65535, 65535
- ]
- },
- "rpi.sharpen":
- {
- }
-}
diff --git a/src/ipa/raspberrypi/data/imx378.json b/src/ipa/raspberrypi/data/imx378.json
deleted file mode 100644
index 66200345..00000000
--- a/src/ipa/raspberrypi/data/imx378.json
+++ /dev/null
@@ -1,338 +0,0 @@
-{
- "rpi.black_level":
- {
- "black_level": 4096
- },
- "rpi.dpc":
- {
- },
- "rpi.lux":
- {
- "reference_shutter_speed": 9999,
- "reference_gain": 1.95,
- "reference_aperture": 1.0,
- "reference_lux": 1000,
- "reference_Y": 12996
- },
- "rpi.noise":
- {
- "reference_constant": 0,
- "reference_slope": 2.641
- },
- "rpi.geq":
- {
- "offset": 235,
- "slope": 0.00902
- },
- "rpi.sdn":
- {
- },
- "rpi.awb":
- {
- "priors":
- [
- {
- "lux": 0, "prior":
- [
- 2000, 1.0, 3000, 0.0, 13000, 0.0
- ]
- },
- {
- "lux": 800, "prior":
- [
- 2000, 0.0, 6000, 2.0, 13000, 2.0
- ]
- },
- {
- "lux": 1500, "prior":
- [
- 2000, 0.0, 4000, 1.0, 6000, 6.0, 6500, 7.0, 7000, 1.0, 13000, 1.0
- ]
- }
- ],
- "modes":
- {
- "auto":
- {
- "lo": 2500,
- "hi": 8000
- },
- "incandescent":
- {
- "lo": 2500,
- "hi": 3000
- },
- "tungsten":
- {
- "lo": 3000,
- "hi": 3500
- },
- "fluorescent":
- {
- "lo": 4000,
- "hi": 4700
- },
- "indoor":
- {
- "lo": 3000,
- "hi": 5000
- },
- "daylight":
- {
- "lo": 5500,
- "hi": 6500
- },
- "cloudy":
- {
- "lo": 7000,
- "hi": 8100
- }
- },
- "bayes": 1,
- "ct_curve":
- [
- 2850.0, 0.6361, 0.3911, 3550.0, 0.5386, 0.5077, 4500.0, 0.4472, 0.6171, 5600.0, 0.3906, 0.6848, 8000.0, 0.3412, 0.7441
- ],
- "sensitivity_r": 1.0,
- "sensitivity_b": 1.0,
- "transverse_pos": 0.01667,
- "transverse_neg": 0.01195
- },
- "rpi.agc":
- {
- "metering_modes":
- {
- "centre-weighted":
- {
- "weights":
- [
- 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0
- ]
- },
- "spot":
- {
- "weights":
- [
- 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
- ]
- },
- "matrix":
- {
- "weights":
- [
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
- ]
- }
- },
- "exposure_modes":
- {
- "normal":
- {
- "shutter":
- [
- 100, 10000, 30000, 60000, 120000
- ],
- "gain":
- [
- 1.0, 2.0, 4.0, 6.0, 8.0
- ]
- },
- "short":
- {
- "shutter":
- [
- 100, 5000, 10000, 20000, 120000
- ],
- "gain":
- [
- 1.0, 2.0, 4.0, 6.0, 8.0
- ]
- }
- },
- "constraint_modes":
- {
- "normal":
- [
- {
- "bound": "LOWER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
- [
- 0, 0.5, 1000, 0.5
- ]
- }
- ],
- "highlight":
- [
- {
- "bound": "LOWER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
- [
- 0, 0.5, 1000, 0.5
- ]
- },
- {
- "bound": "UPPER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
- [
- 0, 0.8, 1000, 0.8
- ]
- }
- ]
- },
- "y_target":
- [
- 0, 0.16, 1000, 0.165, 10000, 0.17
- ]
- },
- "rpi.alsc":
- {
- "omega": 1.3,
- "n_iter": 100,
- "luminance_strength": 0.5,
- "calibrations_Cr":
- [
- {
- "ct": 2800, "table":
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- 1.599, 1.586, 1.571, 1.555, 1.542, 1.528, 1.518, 1.518, 1.523, 1.537, 1.555, 1.572, 1.589, 1.607, 1.622, 1.629,
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- 1.597, 1.578, 1.557, 1.534, 1.508, 1.483, 1.481, 1.479, 1.481, 1.496, 1.522, 1.554, 1.579, 1.601, 1.619, 1.631,
- 1.597, 1.581, 1.562, 1.539, 1.517, 1.504, 1.483, 1.481, 1.496, 1.511, 1.531, 1.561, 1.585, 1.607, 1.623, 1.632,
- 1.601, 1.589, 1.569, 1.554, 1.539, 1.517, 1.504, 1.504, 1.511, 1.531, 1.553, 1.573, 1.596, 1.614, 1.629, 1.636,
- 1.609, 1.601, 1.586, 1.569, 1.554, 1.542, 1.535, 1.535, 1.541, 1.553, 1.573, 1.592, 1.608, 1.625, 1.637, 1.645,
- 1.617, 1.611, 1.601, 1.586, 1.574, 1.565, 1.564, 1.564, 1.571, 1.579, 1.592, 1.608, 1.622, 1.637, 1.646, 1.654,
- 1.619, 1.617, 1.611, 1.601, 1.588, 1.585, 1.585, 1.585, 1.588, 1.592, 1.607, 1.622, 1.637, 1.645, 1.654, 1.655
- ]
- },
- {
- "ct": 5500, "table":
- [
- 2.664, 2.658, 2.645, 2.629, 2.602, 2.602, 2.602, 2.606, 2.617, 2.628, 2.649, 2.677, 2.699, 2.722, 2.736, 2.747,
- 2.658, 2.653, 2.629, 2.605, 2.576, 2.575, 2.577, 2.592, 2.606, 2.618, 2.629, 2.651, 2.678, 2.707, 2.727, 2.741,
- 2.649, 2.631, 2.605, 2.576, 2.563, 2.552, 2.552, 2.557, 2.577, 2.604, 2.619, 2.641, 2.669, 2.698, 2.721, 2.741,
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- ]
- }
- ],
- "calibrations_Cb":
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- {
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- [
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- ]
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- {
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- ]
- }
- ],
- "luminance_lut":
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- 2.292, 2.019, 1.689, 1.462, 1.322, 1.247, 1.147, 1.118, 1.118, 1.168, 1.275, 1.358, 1.532, 1.809, 2.189, 2.491,
- 2.444, 2.204, 1.856, 1.606, 1.462, 1.322, 1.257, 1.234, 1.234, 1.275, 1.358, 1.516, 1.686, 1.993, 2.371, 2.622,
- 2.748, 2.444, 2.108, 1.856, 1.606, 1.476, 1.399, 1.376, 1.376, 1.422, 1.516, 1.686, 1.968, 2.238, 2.611, 2.935,
- 2.862, 2.748, 2.395, 2.099, 1.811, 1.621, 1.582, 1.582, 1.582, 1.592, 1.677, 1.919, 2.223, 2.534, 2.935, 3.078
- ],
- "sigma": 0.00428,
- "sigma_Cb": 0.00363
- },
- "rpi.contrast":
- {
- "ce_enable": 1,
- "gamma_curve":
- [
- 0, 0, 1024, 5040, 2048, 9338, 3072, 12356, 4096, 15312, 5120, 18051, 6144, 20790, 7168, 23193,
- 8192, 25744, 9216, 27942, 10240, 30035, 11264, 32005, 12288, 33975, 13312, 35815, 14336, 37600, 15360, 39168,
- 16384, 40642, 18432, 43379, 20480, 45749, 22528, 47753, 24576, 49621, 26624, 51253, 28672, 52698, 30720, 53796,
- 32768, 54876, 36864, 57012, 40960, 58656, 45056, 59954, 49152, 61183, 53248, 62355, 57344, 63419, 61440, 64476,
- 65535, 65535
- ]
- },
- "rpi.ccm":
- {
- "ccms":
- [
- {
- "ct": 2850, "ccm":
- [
- 1.42601, -0.20537, -0.22063, -0.47682, 1.81987, -0.34305, 0.01854, -0.86036, 1.84181
- ]
- },
- {
- "ct": 2900, "ccm":
- [
- 1.29755, 0.04602, -0.34356, -0.41491, 1.73477, -0.31987, -0.01345, -0.97115, 1.98459
- ]
- },
- {
- "ct": 3550, "ccm":
- [
- 1.49811, -0.33412, -0.16398, -0.40869, 1.72995, -0.32127, -0.01924, -0.62181, 1.64105
- ]
- },
- {
- "ct": 4500, "ccm":
- [
- 1.47015, -0.29229, -0.17786, -0.36561, 1.88919, -0.52358, -0.03552, -0.56717, 1.60269
- ]
- },
- {
- "ct": 5600, "ccm":
- [
- 1.60962, -0.47434, -0.13528, -0.32701, 1.73797, -0.41096, -0.07626, -0.40171, 1.47796
- ]
- },
- {
- "ct": 8000, "ccm":
- [
- 1.54642, -0.20396, -0.34246, -0.31748, 2.22559, -0.90811, -0.10035, -0.65877, 1.75912
- ]
- }
- ]
- },
- "rpi.sharpen":
- {
- }
-}
diff --git a/src/ipa/raspberrypi/data/imx477.json b/src/ipa/raspberrypi/data/imx477.json
deleted file mode 100644
index d07febd2..00000000
--- a/src/ipa/raspberrypi/data/imx477.json
+++ /dev/null
@@ -1,430 +0,0 @@
-{
- "rpi.black_level":
- {
- "black_level": 4096
- },
- "rpi.dpc":
- {
-
- },
- "rpi.lux":
- {
- "reference_shutter_speed": 27242,
- "reference_gain": 1.0,
- "reference_aperture": 1.0,
- "reference_lux": 830,
- "reference_Y": 17755
- },
- "rpi.noise":
- {
- "reference_constant": 0,
- "reference_slope": 2.767
- },
- "rpi.geq":
- {
- "offset": 204,
- "slope": 0.01078
- },
- "rpi.sdn":
- {
-
- },
- "rpi.awb":
- {
- "priors":
- [
- {
- "lux": 0, "prior":
- [
- 2000, 1.0, 3000, 0.0, 13000, 0.0
- ]
- },
- {
- "lux": 800, "prior":
- [
- 2000, 0.0, 6000, 2.0, 13000, 2.0
- ]
- },
- {
- "lux": 1500, "prior":
- [
- 2000, 0.0, 4000, 1.0, 6000, 6.0, 6500, 7.0, 7000, 1.0, 13000, 1.0
- ]
- }
- ],
- "modes":
- {
- "auto":
- {
- "lo": 2500,
- "hi": 8000
- },
- "incandescent":
- {
- "lo": 2500,
- "hi": 3000
- },
- "tungsten":
- {
- "lo": 3000,
- "hi": 3500
- },
- "fluorescent":
- {
- "lo": 4000,
- "hi": 4700
- },
- "indoor":
- {
- "lo": 3000,
- "hi": 5000
- },
- "daylight":
- {
- "lo": 5500,
- "hi": 6500
- },
- "cloudy":
- {
- "lo": 7000,
- "hi": 8600
- }
- },
- "bayes": 1,
- "ct_curve":
- [
- 2360.0, 0.6009, 0.3093, 2870.0, 0.5047, 0.3936, 2970.0, 0.4782, 0.4221, 3700.0, 0.4212, 0.4923, 3870.0, 0.4037, 0.5166, 4000.0,
- 0.3965, 0.5271, 4400.0, 0.3703, 0.5666, 4715.0, 0.3411, 0.6147, 5920.0, 0.3108, 0.6687, 9050.0, 0.2524, 0.7856
- ],
- "sensitivity_r": 1.05,
- "sensitivity_b": 1.05,
- "transverse_pos": 0.0238,
- "transverse_neg": 0.04429
- },
- "rpi.agc":
- {
- "metering_modes":
- {
- "centre-weighted":
- {
- "weights":
- [
- 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0
- ]
- },
- "spot":
- {
- "weights":
- [
- 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
- ]
- },
- "matrix":
- {
- "weights":
- [
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
- ]
- }
- },
- "exposure_modes":
- {
- "normal":
- {
- "shutter":
- [
- 100, 10000, 30000, 60000, 66666
- ],
- "gain":
- [
- 1.0, 2.0, 4.0, 6.0, 8.0
- ]
- },
- "short":
- {
- "shutter":
- [
- 100, 5000, 10000, 20000, 33333
- ],
- "gain":
- [
- 1.0, 2.0, 4.0, 6.0, 8.0
- ]
- },
- "long":
- {
- "shutter":
- [
- 100, 10000, 30000, 60000, 120000
- ],
- "gain":
- [
- 1.0, 2.0, 4.0, 6.0, 12.0
- ]
- }
- },
- "constraint_modes":
- {
- "normal":
- [
- {
- "bound": "LOWER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
- [
- 0, 0.3, 1000, 0.3
- ]
- }
- ],
- "highlight":
- [
- {
- "bound": "LOWER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
- [
- 0, 0.3, 1000, 0.3
- ]
- },
- {
- "bound": "UPPER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
- [
- 0, 0.8, 1000, 0.8
- ]
- }
- ],
- "shadows":
- [
- {
- "bound": "LOWER", "q_lo": 0.0, "q_hi": 0.5, "y_target":
- [
- 0, 0.17, 1000, 0.17
- ]
- }
- ]
- },
- "y_target":
- [
- 0, 0.16, 1000, 0.165, 10000, 0.17
- ]
- },
- "rpi.alsc":
- {
- "omega": 1.3,
- "n_iter": 100,
- "luminance_strength": 0.5,
- "calibrations_Cr":
- [
- {
- "ct": 2960, "table":
- [
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- 2.086, 2.084, 2.079, 2.078, 2.075, 2.068, 2.064, 2.063, 2.068, 2.071, 2.072, 2.075, 2.081, 2.089, 2.092, 2.094,
- 2.083, 2.081, 2.077, 2.072, 2.069, 2.062, 2.059, 2.059, 2.063, 2.067, 2.069, 2.072, 2.079, 2.088, 2.089, 2.089,
- 2.081, 2.077, 2.072, 2.068, 2.065, 2.058, 2.055, 2.054, 2.057, 2.062, 2.066, 2.069, 2.077, 2.084, 2.086, 2.086,
- 2.078, 2.075, 2.069, 2.065, 2.061, 2.055, 2.052, 2.049, 2.051, 2.056, 2.062, 2.065, 2.072, 2.079, 2.081, 2.079,
- 2.079, 2.075, 2.069, 2.064, 2.061, 2.053, 2.049, 2.046, 2.049, 2.051, 2.057, 2.062, 2.069, 2.075, 2.077, 2.075,
- 2.082, 2.079, 2.072, 2.065, 2.061, 2.054, 2.049, 2.047, 2.049, 2.051, 2.056, 2.061, 2.066, 2.073, 2.073, 2.069,
- 2.086, 2.082, 2.075, 2.068, 2.062, 2.054, 2.051, 2.049, 2.051, 2.052, 2.056, 2.061, 2.066, 2.073, 2.073, 2.072,
- 2.088, 2.086, 2.079, 2.074, 2.066, 2.057, 2.051, 2.051, 2.054, 2.055, 2.056, 2.061, 2.067, 2.072, 2.073, 2.072,
- 2.091, 2.087, 2.079, 2.075, 2.068, 2.057, 2.052, 2.052, 2.056, 2.055, 2.055, 2.059, 2.066, 2.072, 2.072, 2.072,
- 2.093, 2.088, 2.081, 2.077, 2.069, 2.059, 2.054, 2.054, 2.057, 2.056, 2.056, 2.058, 2.066, 2.072, 2.073, 2.073,
- 2.095, 2.091, 2.084, 2.078, 2.075, 2.067, 2.057, 2.057, 2.059, 2.059, 2.058, 2.059, 2.068, 2.073, 2.075, 2.078
- ]
- },
- {
- "ct": 4850, "table":
- [
- 2.973, 2.968, 2.956, 2.943, 2.941, 2.932, 2.923, 2.921, 2.924, 2.929, 2.931, 2.939, 2.953, 2.965, 2.966, 2.976,
- 2.969, 2.962, 2.951, 2.941, 2.934, 2.928, 2.919, 2.918, 2.919, 2.923, 2.927, 2.933, 2.945, 2.957, 2.962, 2.962,
- 2.964, 2.956, 2.944, 2.932, 2.929, 2.924, 2.915, 2.914, 2.915, 2.919, 2.924, 2.928, 2.941, 2.952, 2.958, 2.959,
- 2.957, 2.951, 2.939, 2.928, 2.924, 2.919, 2.913, 2.911, 2.911, 2.915, 2.919, 2.925, 2.936, 2.947, 2.952, 2.953,
- 2.954, 2.947, 2.935, 2.924, 2.919, 2.915, 2.908, 2.906, 2.906, 2.907, 2.914, 2.921, 2.932, 2.941, 2.943, 2.942,
- 2.953, 2.946, 2.932, 2.921, 2.916, 2.911, 2.904, 2.902, 2.901, 2.904, 2.909, 2.919, 2.926, 2.937, 2.939, 2.939,
- 2.953, 2.947, 2.932, 2.918, 2.915, 2.909, 2.903, 2.901, 2.901, 2.906, 2.911, 2.918, 2.924, 2.936, 2.936, 2.932,
- 2.956, 2.948, 2.934, 2.919, 2.916, 2.908, 2.903, 2.901, 2.902, 2.907, 2.909, 2.917, 2.926, 2.936, 2.939, 2.939,
- 2.957, 2.951, 2.936, 2.923, 2.917, 2.907, 2.904, 2.901, 2.902, 2.908, 2.911, 2.919, 2.929, 2.939, 2.942, 2.942,
- 2.961, 2.951, 2.936, 2.922, 2.918, 2.906, 2.904, 2.901, 2.901, 2.907, 2.911, 2.921, 2.931, 2.941, 2.942, 2.944,
- 2.964, 2.954, 2.936, 2.924, 2.918, 2.909, 2.905, 2.905, 2.905, 2.907, 2.912, 2.923, 2.933, 2.942, 2.944, 2.944,
- 2.964, 2.958, 2.943, 2.927, 2.921, 2.914, 2.909, 2.907, 2.907, 2.912, 2.916, 2.928, 2.936, 2.944, 2.947, 2.952
- ]
- },
- {
- "ct": 5930, "table":
- [
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- 3.302, 3.296, 3.288, 3.282, 3.276, 3.267, 3.259, 3.254, 3.252, 3.253, 3.256, 3.261, 3.273, 3.289, 3.292, 3.292,
- 3.296, 3.289, 3.282, 3.276, 3.269, 3.263, 3.256, 3.251, 3.248, 3.249, 3.251, 3.257, 3.268, 3.279, 3.284, 3.284,
- 3.292, 3.285, 3.279, 3.271, 3.264, 3.257, 3.249, 3.243, 3.241, 3.241, 3.246, 3.252, 3.261, 3.274, 3.275, 3.273,
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- 3.294, 3.288, 3.275, 3.266, 3.257, 3.248, 3.239, 3.238, 3.237, 3.238, 3.243, 3.246, 3.255, 3.264, 3.264, 3.257,
- 3.297, 3.293, 3.279, 3.268, 3.258, 3.249, 3.238, 3.237, 3.239, 3.239, 3.243, 3.245, 3.255, 3.264, 3.264, 3.263,
- 3.301, 3.295, 3.281, 3.271, 3.259, 3.248, 3.237, 3.237, 3.239, 3.241, 3.243, 3.246, 3.257, 3.265, 3.266, 3.264,
- 3.306, 3.295, 3.279, 3.271, 3.261, 3.247, 3.235, 3.234, 3.239, 3.239, 3.243, 3.247, 3.258, 3.265, 3.265, 3.264,
- 3.308, 3.297, 3.279, 3.272, 3.261, 3.249, 3.239, 3.239, 3.241, 3.243, 3.245, 3.248, 3.261, 3.265, 3.266, 3.265,
- 3.309, 3.301, 3.286, 3.276, 3.267, 3.256, 3.246, 3.242, 3.244, 3.244, 3.249, 3.253, 3.263, 3.267, 3.271, 3.274
- ]
- }
- ],
- "calibrations_Cb":
- [
- {
- "ct": 2960, "table":
- [
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- 2.132, 2.133, 2.135, 2.142, 2.147, 2.153, 2.158, 2.158, 2.158, 2.158, 2.159, 2.159, 2.157, 2.154, 2.151, 2.148,
- 2.133, 2.133, 2.135, 2.142, 2.149, 2.154, 2.158, 2.158, 2.157, 2.156, 2.158, 2.157, 2.155, 2.153, 2.148, 2.146,
- 2.133, 2.133, 2.138, 2.145, 2.149, 2.154, 2.158, 2.159, 2.158, 2.155, 2.157, 2.156, 2.153, 2.149, 2.146, 2.144,
- 2.133, 2.134, 2.139, 2.146, 2.149, 2.154, 2.158, 2.159, 2.159, 2.156, 2.154, 2.154, 2.149, 2.145, 2.143, 2.139,
- 2.135, 2.135, 2.139, 2.146, 2.151, 2.155, 2.158, 2.159, 2.158, 2.156, 2.153, 2.151, 2.146, 2.143, 2.139, 2.136,
- 2.135, 2.135, 2.138, 2.145, 2.151, 2.154, 2.157, 2.158, 2.157, 2.156, 2.153, 2.151, 2.147, 2.143, 2.141, 2.137,
- 2.135, 2.134, 2.135, 2.141, 2.149, 2.154, 2.157, 2.157, 2.157, 2.157, 2.157, 2.153, 2.149, 2.146, 2.142, 2.139,
- 2.132, 2.133, 2.135, 2.139, 2.148, 2.153, 2.158, 2.159, 2.159, 2.161, 2.161, 2.157, 2.154, 2.149, 2.144, 2.141,
- 2.132, 2.133, 2.135, 2.141, 2.149, 2.155, 2.161, 2.161, 2.162, 2.162, 2.163, 2.159, 2.154, 2.149, 2.144, 2.138,
- 2.136, 2.136, 2.137, 2.143, 2.149, 2.156, 2.162, 2.163, 2.162, 2.163, 2.164, 2.161, 2.157, 2.152, 2.146, 2.138,
- 2.137, 2.137, 2.141, 2.147, 2.152, 2.157, 2.162, 2.162, 2.159, 2.161, 2.162, 2.162, 2.157, 2.152, 2.148, 2.148
- ]
- },
- {
- "ct": 4850, "table":
- [
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- 1.465, 1.466, 1.472, 1.481, 1.483, 1.487, 1.487, 1.488, 1.488, 1.486, 1.485, 1.481, 1.479, 1.476, 1.473, 1.472
- ]
- },
- {
- "ct": 5930, "table":
- [
- 1.443, 1.444, 1.448, 1.453, 1.459, 1.463, 1.465, 1.467, 1.469, 1.469, 1.467, 1.466, 1.462, 1.457, 1.454, 1.451,
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- 1.444, 1.444, 1.445, 1.451, 1.459, 1.463, 1.466, 1.468, 1.469, 1.469, 1.467, 1.465, 1.461, 1.456, 1.452, 1.449,
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- ]
- }
- ],
- "luminance_lut":
- [
- 1.548, 1.499, 1.387, 1.289, 1.223, 1.183, 1.164, 1.154, 1.153, 1.169, 1.211, 1.265, 1.345, 1.448, 1.581, 1.619,
- 1.513, 1.412, 1.307, 1.228, 1.169, 1.129, 1.105, 1.098, 1.103, 1.127, 1.157, 1.209, 1.272, 1.361, 1.481, 1.583,
- 1.449, 1.365, 1.257, 1.175, 1.124, 1.085, 1.062, 1.054, 1.059, 1.079, 1.113, 1.151, 1.211, 1.293, 1.407, 1.488,
- 1.424, 1.324, 1.222, 1.139, 1.089, 1.056, 1.034, 1.031, 1.034, 1.049, 1.075, 1.115, 1.164, 1.241, 1.351, 1.446,
- 1.412, 1.297, 1.203, 1.119, 1.069, 1.039, 1.021, 1.016, 1.022, 1.032, 1.052, 1.086, 1.135, 1.212, 1.321, 1.439,
- 1.406, 1.287, 1.195, 1.115, 1.059, 1.028, 1.014, 1.012, 1.015, 1.026, 1.041, 1.074, 1.125, 1.201, 1.302, 1.425,
- 1.406, 1.294, 1.205, 1.126, 1.062, 1.031, 1.013, 1.009, 1.011, 1.019, 1.042, 1.079, 1.129, 1.203, 1.302, 1.435,
- 1.415, 1.318, 1.229, 1.146, 1.076, 1.039, 1.019, 1.014, 1.017, 1.031, 1.053, 1.093, 1.144, 1.219, 1.314, 1.436,
- 1.435, 1.348, 1.246, 1.164, 1.094, 1.059, 1.036, 1.032, 1.037, 1.049, 1.072, 1.114, 1.167, 1.257, 1.343, 1.462,
- 1.471, 1.385, 1.278, 1.189, 1.124, 1.084, 1.064, 1.061, 1.069, 1.078, 1.101, 1.146, 1.207, 1.298, 1.415, 1.496,
- 1.522, 1.436, 1.323, 1.228, 1.169, 1.118, 1.101, 1.094, 1.099, 1.113, 1.146, 1.194, 1.265, 1.353, 1.474, 1.571,
- 1.578, 1.506, 1.378, 1.281, 1.211, 1.156, 1.135, 1.134, 1.139, 1.158, 1.194, 1.251, 1.327, 1.427, 1.559, 1.611
- ],
- "sigma": 0.00121,
- "sigma_Cb": 0.00115
- },
- "rpi.contrast":
- {
- "ce_enable": 1,
- "gamma_curve":
- [
- 0, 0, 1024, 5040, 2048, 9338, 3072, 12356, 4096, 15312, 5120, 18051, 6144, 20790, 7168, 23193,
- 8192, 25744, 9216, 27942, 10240, 30035, 11264, 32005, 12288, 33975, 13312, 35815, 14336, 37600, 15360, 39168,
- 16384, 40642, 18432, 43379, 20480, 45749, 22528, 47753, 24576, 49621, 26624, 51253, 28672, 52698, 30720, 53796,
- 32768, 54876, 36864, 57012, 40960, 58656, 45056, 59954, 49152, 61183, 53248, 62355, 57344, 63419, 61440, 64476,
- 65535, 65535
- ]
- },
- "rpi.ccm":
- {
- "ccms":
- [
- {
- "ct": 2360, "ccm":
- [
- 1.66078, -0.23588, -0.42491, -0.47456, 1.82763, -0.35307, -0.00545, -1.44729, 2.45273
- ]
- },
- {
- "ct": 2870, "ccm":
- [
- 1.78373, -0.55344, -0.23029, -0.39951, 1.69701, -0.29751, 0.01986, -1.06525, 2.04539
- ]
- },
- {
- "ct": 2970, "ccm":
- [
- 1.73511, -0.56973, -0.16537, -0.36338, 1.69878, -0.33539, -0.02354, -0.76813, 1.79168
- ]
- },
- {
- "ct": 3000, "ccm":
- [
- 2.06374, -0.92218, -0.14156, -0.41721, 1.69289, -0.27568, -0.00554, -0.92741, 1.93295
- ]
- },
- {
- "ct": 3700, "ccm":
- [
- 2.13792, -1.08136, -0.05655, -0.34739, 1.58989, -0.24249, -0.00349, -0.76789, 1.77138
- ]
- },
- {
- "ct": 3870, "ccm":
- [
- 1.83834, -0.70528, -0.13307, -0.30499, 1.60523, -0.30024, -0.05701, -0.58313, 1.64014
- ]
- },
- {
- "ct": 4000, "ccm":
- [
- 2.15741, -1.10295, -0.05447, -0.34631, 1.61158, -0.26528, -0.02723, -0.70288, 1.73011
- ]
- },
- {
- "ct": 4400, "ccm":
- [
- 2.05729, -0.95007, -0.10723, -0.41712, 1.78606, -0.36894, -0.11899, -0.55727, 1.67626
- ]
- },
-
- {
- "ct": 4715, "ccm":
- [
- 1.90255, -0.77478, -0.12777, -0.31338, 1.88197, -0.56858, -0.06001, -0.61785, 1.67786
- ]
- },
- {
- "ct": 5920, "ccm":
- [
- 1.98691, -0.84671, -0.14019, -0.26581, 1.70615, -0.44035, -0.09532, -0.47332, 1.56864
- ]
- },
- {
- "ct": 9050, "ccm":
- [
- 2.09255, -0.76541, -0.32714, -0.28973, 2.27462, -0.98489, -0.17299, -0.61275, 1.78574
- ]
- }
- ]
- },
- "rpi.sharpen":
- {
-
- },
- "rpi.focus":
- {
- }
-}
diff --git a/src/ipa/raspberrypi/data/imx477_noir.json b/src/ipa/raspberrypi/data/imx477_noir.json
deleted file mode 100644
index 7d4fc7da..00000000
--- a/src/ipa/raspberrypi/data/imx477_noir.json
+++ /dev/null
@@ -1,362 +0,0 @@
-{
- "rpi.black_level":
- {
- "black_level": 4096
- },
- "rpi.dpc":
- {
-
- },
- "rpi.lux":
- {
- "reference_shutter_speed": 27242,
- "reference_gain": 1.0,
- "reference_aperture": 1.0,
- "reference_lux": 830,
- "reference_Y": 17755
- },
- "rpi.noise":
- {
- "reference_constant": 0,
- "reference_slope": 2.767
- },
- "rpi.geq":
- {
- "offset": 204,
- "slope": 0.01078
- },
- "rpi.sdn":
- {
-
- },
- "rpi.awb":
- {
- "bayes": 0
- },
- "rpi.agc":
- {
- "metering_modes":
- {
- "centre-weighted":
- {
- "weights":
- [
- 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0
- ]
- },
- "spot":
- {
- "weights":
- [
- 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
- ]
- },
- "matrix":
- {
- "weights":
- [
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
- ]
- }
- },
- "exposure_modes":
- {
- "normal":
- {
- "shutter":
- [
- 100, 10000, 30000, 60000, 66666
- ],
- "gain":
- [
- 1.0, 2.0, 4.0, 6.0, 8.0
- ]
- },
- "short":
- {
- "shutter":
- [
- 100, 5000, 10000, 20000, 33333
- ],
- "gain":
- [
- 1.0, 2.0, 4.0, 6.0, 8.0
- ]
- },
- "long":
- {
- "shutter":
- [
- 100, 10000, 30000, 60000, 120000
- ],
- "gain":
- [
- 1.0, 2.0, 4.0, 6.0, 12.0
- ]
- }
- },
- "constraint_modes":
- {
- "normal":
- [
- {
- "bound": "LOWER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
- [
- 0, 0.3, 1000, 0.3
- ]
- }
- ],
- "highlight":
- [
- {
- "bound": "LOWER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
- [
- 0, 0.3, 1000, 0.3
- ]
- },
- {
- "bound": "UPPER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
- [
- 0, 0.8, 1000, 0.8
- ]
- }
- ],
- "shadows":
- [
- {
- "bound": "LOWER", "q_lo": 0.0, "q_hi": 0.5, "y_target":
- [
- 0, 0.17, 1000, 0.17
- ]
- }
- ]
- },
- "y_target":
- [
- 0, 0.16, 1000, 0.165, 10000, 0.17
- ]
- },
- "rpi.alsc":
- {
- "omega": 1.3,
- "n_iter": 100,
- "luminance_strength": 0.5,
- "calibrations_Cr":
- [
- {
- "ct": 2960, "table":
- [
- 2.088, 2.086, 2.082, 2.081, 2.077, 2.071, 2.068, 2.068, 2.072, 2.073, 2.075, 2.078, 2.084, 2.092, 2.095, 2.098,
- 2.086, 2.084, 2.079, 2.078, 2.075, 2.068, 2.064, 2.063, 2.068, 2.071, 2.072, 2.075, 2.081, 2.089, 2.092, 2.094,
- 2.083, 2.081, 2.077, 2.072, 2.069, 2.062, 2.059, 2.059, 2.063, 2.067, 2.069, 2.072, 2.079, 2.088, 2.089, 2.089,
- 2.081, 2.077, 2.072, 2.068, 2.065, 2.058, 2.055, 2.054, 2.057, 2.062, 2.066, 2.069, 2.077, 2.084, 2.086, 2.086,
- 2.078, 2.075, 2.069, 2.065, 2.061, 2.055, 2.052, 2.049, 2.051, 2.056, 2.062, 2.065, 2.072, 2.079, 2.081, 2.079,
- 2.079, 2.075, 2.069, 2.064, 2.061, 2.053, 2.049, 2.046, 2.049, 2.051, 2.057, 2.062, 2.069, 2.075, 2.077, 2.075,
- 2.082, 2.079, 2.072, 2.065, 2.061, 2.054, 2.049, 2.047, 2.049, 2.051, 2.056, 2.061, 2.066, 2.073, 2.073, 2.069,
- 2.086, 2.082, 2.075, 2.068, 2.062, 2.054, 2.051, 2.049, 2.051, 2.052, 2.056, 2.061, 2.066, 2.073, 2.073, 2.072,
- 2.088, 2.086, 2.079, 2.074, 2.066, 2.057, 2.051, 2.051, 2.054, 2.055, 2.056, 2.061, 2.067, 2.072, 2.073, 2.072,
- 2.091, 2.087, 2.079, 2.075, 2.068, 2.057, 2.052, 2.052, 2.056, 2.055, 2.055, 2.059, 2.066, 2.072, 2.072, 2.072,
- 2.093, 2.088, 2.081, 2.077, 2.069, 2.059, 2.054, 2.054, 2.057, 2.056, 2.056, 2.058, 2.066, 2.072, 2.073, 2.073,
- 2.095, 2.091, 2.084, 2.078, 2.075, 2.067, 2.057, 2.057, 2.059, 2.059, 2.058, 2.059, 2.068, 2.073, 2.075, 2.078
- ]
- },
- {
- "ct": 4850, "table":
- [
- 2.973, 2.968, 2.956, 2.943, 2.941, 2.932, 2.923, 2.921, 2.924, 2.929, 2.931, 2.939, 2.953, 2.965, 2.966, 2.976,
- 2.969, 2.962, 2.951, 2.941, 2.934, 2.928, 2.919, 2.918, 2.919, 2.923, 2.927, 2.933, 2.945, 2.957, 2.962, 2.962,
- 2.964, 2.956, 2.944, 2.932, 2.929, 2.924, 2.915, 2.914, 2.915, 2.919, 2.924, 2.928, 2.941, 2.952, 2.958, 2.959,
- 2.957, 2.951, 2.939, 2.928, 2.924, 2.919, 2.913, 2.911, 2.911, 2.915, 2.919, 2.925, 2.936, 2.947, 2.952, 2.953,
- 2.954, 2.947, 2.935, 2.924, 2.919, 2.915, 2.908, 2.906, 2.906, 2.907, 2.914, 2.921, 2.932, 2.941, 2.943, 2.942,
- 2.953, 2.946, 2.932, 2.921, 2.916, 2.911, 2.904, 2.902, 2.901, 2.904, 2.909, 2.919, 2.926, 2.937, 2.939, 2.939,
- 2.953, 2.947, 2.932, 2.918, 2.915, 2.909, 2.903, 2.901, 2.901, 2.906, 2.911, 2.918, 2.924, 2.936, 2.936, 2.932,
- 2.956, 2.948, 2.934, 2.919, 2.916, 2.908, 2.903, 2.901, 2.902, 2.907, 2.909, 2.917, 2.926, 2.936, 2.939, 2.939,
- 2.957, 2.951, 2.936, 2.923, 2.917, 2.907, 2.904, 2.901, 2.902, 2.908, 2.911, 2.919, 2.929, 2.939, 2.942, 2.942,
- 2.961, 2.951, 2.936, 2.922, 2.918, 2.906, 2.904, 2.901, 2.901, 2.907, 2.911, 2.921, 2.931, 2.941, 2.942, 2.944,
- 2.964, 2.954, 2.936, 2.924, 2.918, 2.909, 2.905, 2.905, 2.905, 2.907, 2.912, 2.923, 2.933, 2.942, 2.944, 2.944,
- 2.964, 2.958, 2.943, 2.927, 2.921, 2.914, 2.909, 2.907, 2.907, 2.912, 2.916, 2.928, 2.936, 2.944, 2.947, 2.952
- ]
- },
- {
- "ct": 5930, "table":
- [
- 3.312, 3.308, 3.301, 3.294, 3.288, 3.277, 3.268, 3.261, 3.259, 3.261, 3.267, 3.273, 3.285, 3.301, 3.303, 3.312,
- 3.308, 3.304, 3.294, 3.291, 3.283, 3.271, 3.263, 3.259, 3.257, 3.258, 3.261, 3.268, 3.278, 3.293, 3.299, 3.299,
- 3.302, 3.296, 3.288, 3.282, 3.276, 3.267, 3.259, 3.254, 3.252, 3.253, 3.256, 3.261, 3.273, 3.289, 3.292, 3.292,
- 3.296, 3.289, 3.282, 3.276, 3.269, 3.263, 3.256, 3.251, 3.248, 3.249, 3.251, 3.257, 3.268, 3.279, 3.284, 3.284,
- 3.292, 3.285, 3.279, 3.271, 3.264, 3.257, 3.249, 3.243, 3.241, 3.241, 3.246, 3.252, 3.261, 3.274, 3.275, 3.273,
- 3.291, 3.285, 3.276, 3.268, 3.259, 3.251, 3.242, 3.239, 3.236, 3.238, 3.244, 3.248, 3.258, 3.268, 3.269, 3.265,
- 3.294, 3.288, 3.275, 3.266, 3.257, 3.248, 3.239, 3.238, 3.237, 3.238, 3.243, 3.246, 3.255, 3.264, 3.264, 3.257,
- 3.297, 3.293, 3.279, 3.268, 3.258, 3.249, 3.238, 3.237, 3.239, 3.239, 3.243, 3.245, 3.255, 3.264, 3.264, 3.263,
- 3.301, 3.295, 3.281, 3.271, 3.259, 3.248, 3.237, 3.237, 3.239, 3.241, 3.243, 3.246, 3.257, 3.265, 3.266, 3.264,
- 3.306, 3.295, 3.279, 3.271, 3.261, 3.247, 3.235, 3.234, 3.239, 3.239, 3.243, 3.247, 3.258, 3.265, 3.265, 3.264,
- 3.308, 3.297, 3.279, 3.272, 3.261, 3.249, 3.239, 3.239, 3.241, 3.243, 3.245, 3.248, 3.261, 3.265, 3.266, 3.265,
- 3.309, 3.301, 3.286, 3.276, 3.267, 3.256, 3.246, 3.242, 3.244, 3.244, 3.249, 3.253, 3.263, 3.267, 3.271, 3.274
- ]
- }
- ],
- "calibrations_Cb":
- [
- {
- "ct": 2960, "table":
- [
- 2.133, 2.134, 2.139, 2.143, 2.148, 2.155, 2.158, 2.158, 2.158, 2.161, 2.161, 2.162, 2.159, 2.156, 2.152, 2.151,
- 2.132, 2.133, 2.135, 2.142, 2.147, 2.153, 2.158, 2.158, 2.158, 2.158, 2.159, 2.159, 2.157, 2.154, 2.151, 2.148,
- 2.133, 2.133, 2.135, 2.142, 2.149, 2.154, 2.158, 2.158, 2.157, 2.156, 2.158, 2.157, 2.155, 2.153, 2.148, 2.146,
- 2.133, 2.133, 2.138, 2.145, 2.149, 2.154, 2.158, 2.159, 2.158, 2.155, 2.157, 2.156, 2.153, 2.149, 2.146, 2.144,
- 2.133, 2.134, 2.139, 2.146, 2.149, 2.154, 2.158, 2.159, 2.159, 2.156, 2.154, 2.154, 2.149, 2.145, 2.143, 2.139,
- 2.135, 2.135, 2.139, 2.146, 2.151, 2.155, 2.158, 2.159, 2.158, 2.156, 2.153, 2.151, 2.146, 2.143, 2.139, 2.136,
- 2.135, 2.135, 2.138, 2.145, 2.151, 2.154, 2.157, 2.158, 2.157, 2.156, 2.153, 2.151, 2.147, 2.143, 2.141, 2.137,
- 2.135, 2.134, 2.135, 2.141, 2.149, 2.154, 2.157, 2.157, 2.157, 2.157, 2.157, 2.153, 2.149, 2.146, 2.142, 2.139,
- 2.132, 2.133, 2.135, 2.139, 2.148, 2.153, 2.158, 2.159, 2.159, 2.161, 2.161, 2.157, 2.154, 2.149, 2.144, 2.141,
- 2.132, 2.133, 2.135, 2.141, 2.149, 2.155, 2.161, 2.161, 2.162, 2.162, 2.163, 2.159, 2.154, 2.149, 2.144, 2.138,
- 2.136, 2.136, 2.137, 2.143, 2.149, 2.156, 2.162, 2.163, 2.162, 2.163, 2.164, 2.161, 2.157, 2.152, 2.146, 2.138,
- 2.137, 2.137, 2.141, 2.147, 2.152, 2.157, 2.162, 2.162, 2.159, 2.161, 2.162, 2.162, 2.157, 2.152, 2.148, 2.148
- ]
- },
- {
- "ct": 4850, "table":
- [
- 1.463, 1.464, 1.471, 1.478, 1.479, 1.483, 1.484, 1.486, 1.486, 1.484, 1.483, 1.481, 1.478, 1.475, 1.471, 1.468,
- 1.463, 1.463, 1.468, 1.476, 1.479, 1.482, 1.484, 1.487, 1.486, 1.484, 1.483, 1.482, 1.478, 1.473, 1.469, 1.468,
- 1.463, 1.464, 1.468, 1.476, 1.479, 1.483, 1.484, 1.486, 1.486, 1.485, 1.484, 1.482, 1.477, 1.473, 1.469, 1.468,
- 1.463, 1.464, 1.469, 1.477, 1.481, 1.483, 1.485, 1.487, 1.487, 1.485, 1.485, 1.482, 1.478, 1.474, 1.469, 1.468,
- 1.465, 1.465, 1.471, 1.478, 1.481, 1.484, 1.486, 1.488, 1.488, 1.487, 1.485, 1.482, 1.477, 1.472, 1.468, 1.467,
- 1.465, 1.466, 1.472, 1.479, 1.482, 1.485, 1.486, 1.488, 1.488, 1.486, 1.484, 1.479, 1.475, 1.472, 1.468, 1.466,
- 1.466, 1.466, 1.472, 1.478, 1.482, 1.484, 1.485, 1.488, 1.487, 1.485, 1.483, 1.479, 1.475, 1.472, 1.469, 1.468,
- 1.465, 1.466, 1.469, 1.476, 1.481, 1.485, 1.485, 1.486, 1.486, 1.485, 1.483, 1.479, 1.477, 1.474, 1.471, 1.469,
- 1.464, 1.465, 1.469, 1.476, 1.481, 1.484, 1.485, 1.487, 1.487, 1.486, 1.485, 1.481, 1.478, 1.475, 1.471, 1.469,
- 1.463, 1.464, 1.469, 1.477, 1.481, 1.485, 1.485, 1.488, 1.488, 1.487, 1.486, 1.481, 1.478, 1.475, 1.471, 1.468,
- 1.464, 1.465, 1.471, 1.478, 1.482, 1.486, 1.486, 1.488, 1.488, 1.487, 1.486, 1.481, 1.478, 1.475, 1.472, 1.468,
- 1.465, 1.466, 1.472, 1.481, 1.483, 1.487, 1.487, 1.488, 1.488, 1.486, 1.485, 1.481, 1.479, 1.476, 1.473, 1.472
- ]
- },
- {
- "ct": 5930, "table":
- [
- 1.443, 1.444, 1.448, 1.453, 1.459, 1.463, 1.465, 1.467, 1.469, 1.469, 1.467, 1.466, 1.462, 1.457, 1.454, 1.451,
- 1.443, 1.444, 1.445, 1.451, 1.459, 1.463, 1.465, 1.467, 1.469, 1.469, 1.467, 1.465, 1.461, 1.456, 1.452, 1.451,
- 1.444, 1.444, 1.445, 1.451, 1.459, 1.463, 1.466, 1.468, 1.469, 1.469, 1.467, 1.465, 1.461, 1.456, 1.452, 1.449,
- 1.444, 1.444, 1.447, 1.452, 1.459, 1.464, 1.467, 1.469, 1.471, 1.469, 1.467, 1.466, 1.461, 1.456, 1.452, 1.449,
- 1.444, 1.445, 1.448, 1.452, 1.459, 1.465, 1.469, 1.471, 1.471, 1.471, 1.468, 1.465, 1.461, 1.455, 1.451, 1.449,
- 1.445, 1.446, 1.449, 1.453, 1.461, 1.466, 1.469, 1.471, 1.472, 1.469, 1.467, 1.465, 1.459, 1.455, 1.451, 1.447,
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- 1.446, 1.446, 1.447, 1.451, 1.459, 1.466, 1.469, 1.469, 1.469, 1.469, 1.467, 1.465, 1.461, 1.457, 1.454, 1.451,
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- }
- ],
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- ],
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- "sigma_Cb": 0.00115
- },
- "rpi.contrast":
- {
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- "gamma_curve":
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- 65535, 65535
- ]
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- "rpi.ccm":
- {
- "ccms":
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- {
- "ct": 2360, "ccm":
- [
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- ]
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- ]
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- {
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- ]
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- ]
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- {
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- ]
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- ]
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- "rpi.sharpen":
- {
-
- },
- "rpi.focus":
- {
- }
-}
diff --git a/src/ipa/raspberrypi/data/imx519.json b/src/ipa/raspberrypi/data/imx519.json
deleted file mode 100644
index 2ce6a08c..00000000
--- a/src/ipa/raspberrypi/data/imx519.json
+++ /dev/null
@@ -1,338 +0,0 @@
-{
- "rpi.black_level":
- {
- "black_level": 4096
- },
- "rpi.dpc":
- {
- },
- "rpi.lux":
- {
- "reference_shutter_speed": 13841,
- "reference_gain": 2.0,
- "reference_aperture": 1.0,
- "reference_lux": 900,
- "reference_Y": 12064
- },
- "rpi.noise":
- {
- "reference_constant": 0,
- "reference_slope": 2.776
- },
- "rpi.geq":
- {
- "offset": 189,
- "slope": 0.01495
- },
- "rpi.sdn":
- {
- },
- "rpi.awb":
- {
- "priors":
- [
- {
- "lux": 0, "prior":
- [
- 2000, 1.0, 3000, 0.0, 13000, 0.0
- ]
- },
- {
- "lux": 800, "prior":
- [
- 2000, 0.0, 6000, 2.0, 13000, 2.0
- ]
- },
- {
- "lux": 1500, "prior":
- [
- 2000, 0.0, 4000, 1.0, 6000, 6.0, 6500, 7.0, 7000, 1.0, 13000, 1.0
- ]
- }
- ],
- "modes":
- {
- "auto":
- {
- "lo": 2500,
- "hi": 7900
- },
- "incandescent":
- {
- "lo": 2500,
- "hi": 3000
- },
- "tungsten":
- {
- "lo": 3000,
- "hi": 3500
- },
- "fluorescent":
- {
- "lo": 4000,
- "hi": 4700
- },
- "indoor":
- {
- "lo": 3000,
- "hi": 5000
- },
- "daylight":
- {
- "lo": 5500,
- "hi": 6500
- },
- "cloudy":
- {
- "lo": 7000,
- "hi": 8000
- }
- },
- "bayes": 1,
- "ct_curve":
- [
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- ],
- "sensitivity_r": 1.0,
- "sensitivity_b": 1.0,
- "transverse_pos": 0.02027,
- "transverse_neg": 0.01935
- },
- "rpi.agc":
- {
- "metering_modes":
- {
- "centre-weighted":
- {
- "weights":
- [
- 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0
- ]
- },
- "spot":
- {
- "weights":
- [
- 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
- ]
- },
- "matrix":
- {
- "weights":
- [
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- ]
- }
- },
- "exposure_modes":
- {
- "normal":
- {
- "shutter":
- [
- 100, 10000, 30000, 60000, 120000
- ],
- "gain":
- [
- 1.0, 2.0, 4.0, 6.0, 8.0
- ]
- },
- "short":
- {
- "shutter":
- [
- 100, 5000, 10000, 20000, 120000
- ],
- "gain":
- [
- 1.0, 2.0, 4.0, 6.0, 8.0
- ]
- }
- },
- "constraint_modes":
- {
- "normal":
- [
- {
- "bound": "LOWER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
- [
- 0, 0.5, 1000, 0.5
- ]
- }
- ],
- "highlight":
- [
- {
- "bound": "LOWER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
- [
- 0, 0.5, 1000, 0.5
- ]
- },
- {
- "bound": "UPPER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
- [
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- ]
- }
- ]
- },
- "y_target":
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- ]
- },
- "rpi.alsc":
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- "n_iter": 100,
- "luminance_strength": 0.5,
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- 2.425, 2.201, 1.896, 1.662, 1.519, 1.363, 1.259, 1.214, 1.214, 1.264, 1.354, 1.519, 1.655, 1.888, 2.191, 2.413,
- 2.724, 2.417, 2.091, 1.888, 1.662, 1.519, 1.419, 1.373, 1.373, 1.425, 1.521, 1.655, 1.885, 2.089, 2.409, 2.722,
- 2.858, 2.724, 2.356, 2.085, 1.842, 1.658, 1.581, 1.577, 1.577, 1.579, 1.653, 1.838, 2.084, 2.359, 2.722, 2.842
- ],
- "sigma": 0.00372,
- "sigma_Cb": 0.00244
- },
- "rpi.contrast":
- {
- "ce_enable": 1,
- "gamma_curve":
- [
- 0, 0, 1024, 5040, 2048, 9338, 3072, 12356, 4096, 15312, 5120, 18051, 6144, 20790, 7168, 23193,
- 8192, 25744, 9216, 27942, 10240, 30035, 11264, 32005, 12288, 33975, 13312, 35815, 14336, 37600, 15360, 39168,
- 16384, 40642, 18432, 43379, 20480, 45749, 22528, 47753, 24576, 49621, 26624, 51253, 28672, 52698, 30720, 53796,
- 32768, 54876, 36864, 57012, 40960, 58656, 45056, 59954, 49152, 61183, 53248, 62355, 57344, 63419, 61440, 64476,
- 65535, 65535
- ]
- },
- "rpi.ccm":
- {
- "ccms":
- [
- {
- "ct": 2890, "ccm":
- [
- 1.36754, -0.18448, -0.18306, -0.32356, 1.44826, -0.12471, -0.00412, -0.69936, 1.70348
- ]
- },
- {
- "ct": 2920, "ccm":
- [
- 1.26704, 0.01624, -0.28328, -0.28516, 1.38934, -0.10419, -0.04854, -0.82211, 1.87066
- ]
- },
- {
- "ct": 3550, "ccm":
- [
- 1.42836, -0.27235, -0.15601, -0.28751, 1.41075, -0.12325, -0.01812, -0.54849, 1.56661
- ]
- },
- {
- "ct": 4500, "ccm":
- [
- 1.36328, -0.19569, -0.16759, -0.25254, 1.52248, -0.26994, -0.01575, -0.53155, 1.54729
- ]
- },
- {
- "ct": 5700, "ccm":
- [
- 1.49207, -0.37245, -0.11963, -0.21493, 1.40005, -0.18512, -0.03781, -0.38779, 1.42561
- ]
- },
- {
- "ct": 7900, "ccm":
- [
- 1.34849, -0.05425, -0.29424, -0.22182, 1.77684, -0.55502, -0.07403, -0.55336, 1.62739
- ]
- }
- ]
- },
- "rpi.sharpen":
- {
- }
-}
diff --git a/src/ipa/raspberrypi/data/ov5647.json b/src/ipa/raspberrypi/data/ov5647.json
deleted file mode 100644
index 24bc06fb..00000000
--- a/src/ipa/raspberrypi/data/ov5647.json
+++ /dev/null
@@ -1,409 +0,0 @@
-{
- "rpi.black_level":
- {
- "black_level": 1024
- },
- "rpi.dpc":
- {
-
- },
- "rpi.lux":
- {
- "reference_shutter_speed": 21663,
- "reference_gain": 1.0,
- "reference_aperture": 1.0,
- "reference_lux": 987,
- "reference_Y": 8961
- },
- "rpi.noise":
- {
- "reference_constant": 0,
- "reference_slope": 4.25
- },
- "rpi.geq":
- {
- "offset": 401,
- "slope": 0.05619
- },
- "rpi.sdn":
- {
-
- },
- "rpi.awb":
- {
- "priors":
- [
- {
- "lux": 0, "prior":
- [
- 2000, 1.0, 3000, 0.0, 13000, 0.0
- ]
- },
- {
- "lux": 800, "prior":
- [
- 2000, 0.0, 6000, 2.0, 13000, 2.0
- ]
- },
- {
- "lux": 1500, "prior":
- [
- 2000, 0.0, 4000, 1.0, 6000, 6.0, 6500, 7.0, 7000, 1.0, 13000, 1.0
- ]
- }
- ],
- "modes":
- {
- "auto":
- {
- "lo": 2500,
- "hi": 8000
- },
- "incandescent":
- {
- "lo": 2500,
- "hi": 3000
- },
- "tungsten":
- {
- "lo": 3000,
- "hi": 3500
- },
- "fluorescent":
- {
- "lo": 4000,
- "hi": 4700
- },
- "indoor":
- {
- "lo": 3000,
- "hi": 5000
- },
- "daylight":
- {
- "lo": 5500,
- "hi": 6500
- },
- "cloudy":
- {
- "lo": 7000,
- "hi": 8600
- }
- },
- "bayes": 1,
- "ct_curve":
- [
- 2500.0, 1.0289, 0.4503, 2803.0, 0.9428, 0.5108, 2914.0, 0.9406, 0.5127, 3605.0, 0.8261, 0.6249, 4540.0, 0.7331, 0.7533, 5699.0,
- 0.6715, 0.8627, 8625.0, 0.6081, 1.0012
- ],
- "sensitivity_r": 1.05,
- "sensitivity_b": 1.05,
- "transverse_pos": 0.0321,
- "transverse_neg": 0.04313
- },
- "rpi.agc":
- {
- "metering_modes":
- {
- "centre-weighted":
- {
- "weights":
- [
- 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0
- ]
- },
- "spot":
- {
- "weights":
- [
- 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
- ]
- },
- "matrix":
- {
- "weights":
- [
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
- ]
- }
- },
- "exposure_modes":
- {
- "normal":
- {
- "shutter":
- [
- 100, 10000, 30000, 60000, 66666
- ],
- "gain":
- [
- 1.0, 2.0, 4.0, 6.0, 8.0
- ]
- },
- "short":
- {
- "shutter":
- [
- 100, 5000, 10000, 20000, 33333
- ],
- "gain":
- [
- 1.0, 2.0, 4.0, 6.0, 8.0
- ]
- },
- "long":
- {
- "shutter":
- [
- 100, 10000, 30000, 60000, 120000
- ],
- "gain":
- [
- 1.0, 2.0, 4.0, 6.0, 12.0
- ]
- }
- },
- "constraint_modes":
- {
- "normal":
- [
- {
- "bound": "LOWER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
- [
- 0, 0.5, 1000, 0.5
- ]
- }
- ],
- "highlight":
- [
- {
- "bound": "LOWER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
- [
- 0, 0.5, 1000, 0.5
- ]
- },
- {
- "bound": "UPPER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
- [
- 0, 0.8, 1000, 0.8
- ]
- }
- ],
- "shadows":
- [
- {
- "bound": "LOWER", "q_lo": 0.0, "q_hi": 0.5, "y_target":
- [
- 0, 0.17, 1000, 0.17
- ]
- }
- ]
- },
- "y_target":
- [
- 0, 0.16, 1000, 0.165, 10000, 0.17
- ],
- "base_ev": 1.25
- },
- "rpi.alsc":
- {
- "omega": 1.3,
- "n_iter": 100,
- "luminance_strength": 0.5,
- "calibrations_Cr":
- [
- {
- "ct": 3000, "table":
- [
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- 1.103, 1.096, 1.084, 1.072, 1.059, 1.051, 1.047, 1.047, 1.051, 1.053, 1.059, 1.067, 1.075, 1.082, 1.085, 1.086,
- 1.096, 1.084, 1.072, 1.059, 1.051, 1.045, 1.039, 1.038, 1.039, 1.045, 1.049, 1.057, 1.063, 1.072, 1.081, 1.082,
- 1.092, 1.075, 1.061, 1.052, 1.045, 1.039, 1.036, 1.035, 1.035, 1.039, 1.044, 1.049, 1.056, 1.063, 1.072, 1.081,
- 1.092, 1.073, 1.058, 1.048, 1.043, 1.038, 1.035, 1.033, 1.033, 1.035, 1.039, 1.044, 1.051, 1.057, 1.069, 1.078,
- 1.091, 1.068, 1.054, 1.045, 1.041, 1.038, 1.035, 1.032, 1.032, 1.032, 1.036, 1.041, 1.045, 1.055, 1.069, 1.078,
- 1.091, 1.068, 1.052, 1.043, 1.041, 1.038, 1.035, 1.032, 1.031, 1.032, 1.034, 1.036, 1.043, 1.055, 1.069, 1.078,
- 1.092, 1.068, 1.052, 1.047, 1.042, 1.041, 1.038, 1.035, 1.032, 1.032, 1.035, 1.039, 1.043, 1.055, 1.071, 1.079,
- 1.092, 1.073, 1.057, 1.051, 1.047, 1.047, 1.044, 1.041, 1.038, 1.038, 1.039, 1.043, 1.051, 1.059, 1.076, 1.083,
- 1.092, 1.081, 1.068, 1.058, 1.056, 1.056, 1.053, 1.052, 1.049, 1.048, 1.048, 1.051, 1.059, 1.066, 1.083, 1.085,
- 1.091, 1.087, 1.081, 1.068, 1.065, 1.064, 1.062, 1.062, 1.061, 1.056, 1.056, 1.056, 1.064, 1.069, 1.084, 1.089,
- 1.091, 1.089, 1.085, 1.079, 1.069, 1.068, 1.067, 1.067, 1.067, 1.063, 1.061, 1.063, 1.068, 1.069, 1.081, 1.092
- ]
- },
- {
- "ct": 5000, "table":
- [
- 1.486, 1.484, 1.468, 1.449, 1.427, 1.403, 1.399, 1.399, 1.399, 1.404, 1.413, 1.433, 1.454, 1.473, 1.482, 1.488,
- 1.484, 1.472, 1.454, 1.431, 1.405, 1.381, 1.365, 1.365, 1.367, 1.373, 1.392, 1.411, 1.438, 1.458, 1.476, 1.481,
- 1.476, 1.458, 1.433, 1.405, 1.381, 1.361, 1.339, 1.334, 1.334, 1.346, 1.362, 1.391, 1.411, 1.438, 1.462, 1.474,
- 1.471, 1.443, 1.417, 1.388, 1.361, 1.339, 1.321, 1.313, 1.313, 1.327, 1.346, 1.362, 1.391, 1.422, 1.453, 1.473,
- 1.469, 1.439, 1.408, 1.377, 1.349, 1.321, 1.312, 1.299, 1.299, 1.311, 1.327, 1.348, 1.378, 1.415, 1.446, 1.468,
- 1.468, 1.434, 1.402, 1.371, 1.341, 1.316, 1.299, 1.296, 1.295, 1.299, 1.314, 1.338, 1.371, 1.408, 1.441, 1.466,
- 1.468, 1.434, 1.401, 1.371, 1.341, 1.316, 1.301, 1.296, 1.295, 1.297, 1.314, 1.338, 1.369, 1.408, 1.441, 1.465,
- 1.469, 1.436, 1.401, 1.374, 1.348, 1.332, 1.315, 1.301, 1.301, 1.313, 1.324, 1.342, 1.372, 1.409, 1.442, 1.465,
- 1.471, 1.444, 1.413, 1.388, 1.371, 1.348, 1.332, 1.323, 1.323, 1.324, 1.342, 1.362, 1.386, 1.418, 1.449, 1.467,
- 1.473, 1.454, 1.431, 1.407, 1.388, 1.371, 1.359, 1.352, 1.351, 1.351, 1.362, 1.383, 1.404, 1.433, 1.462, 1.472,
- 1.474, 1.461, 1.447, 1.424, 1.407, 1.394, 1.385, 1.381, 1.379, 1.381, 1.383, 1.401, 1.419, 1.444, 1.466, 1.481,
- 1.474, 1.464, 1.455, 1.442, 1.421, 1.408, 1.403, 1.403, 1.403, 1.399, 1.402, 1.415, 1.432, 1.446, 1.467, 1.483
- ]
- },
- {
- "ct": 6500, "table":
- [
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- 1.558, 1.543, 1.532, 1.526, 1.526, 1.529, 1.534, 1.535, 1.533, 1.526, 1.523, 1.522, 1.524, 1.537, 1.552, 1.557,
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- 1.555, 1.547, 1.542, 1.538, 1.526, 1.526, 1.529, 1.531, 1.529, 1.528, 1.519, 1.519, 1.527, 1.531, 1.543, 1.561
- ]
- }
- ],
- "calibrations_Cb":
- [
- {
- "ct": 3000, "table":
- [
- 1.684, 1.688, 1.691, 1.697, 1.709, 1.722, 1.735, 1.745, 1.747, 1.745, 1.731, 1.719, 1.709, 1.705, 1.699, 1.699,
- 1.684, 1.689, 1.694, 1.708, 1.721, 1.735, 1.747, 1.762, 1.762, 1.758, 1.745, 1.727, 1.716, 1.707, 1.701, 1.699,
- 1.684, 1.691, 1.704, 1.719, 1.734, 1.755, 1.772, 1.786, 1.789, 1.788, 1.762, 1.745, 1.724, 1.709, 1.702, 1.698,
- 1.682, 1.694, 1.709, 1.729, 1.755, 1.773, 1.798, 1.815, 1.817, 1.808, 1.788, 1.762, 1.733, 1.714, 1.704, 1.699,
- 1.682, 1.693, 1.713, 1.742, 1.772, 1.798, 1.815, 1.829, 1.831, 1.821, 1.807, 1.773, 1.742, 1.716, 1.703, 1.699,
- 1.681, 1.693, 1.713, 1.742, 1.772, 1.799, 1.828, 1.839, 1.839, 1.828, 1.807, 1.774, 1.742, 1.715, 1.699, 1.695,
- 1.679, 1.691, 1.712, 1.739, 1.771, 1.798, 1.825, 1.829, 1.831, 1.818, 1.801, 1.774, 1.738, 1.712, 1.695, 1.691,
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- 1.669, 1.678, 1.692, 1.714, 1.741, 1.764, 1.784, 1.795, 1.795, 1.779, 1.761, 1.738, 1.713, 1.696, 1.683, 1.679,
- 1.664, 1.671, 1.679, 1.693, 1.716, 1.741, 1.762, 1.769, 1.769, 1.753, 1.738, 1.713, 1.701, 1.687, 1.681, 1.676,
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- ]
- },
- {
- "ct": 5000, "table":
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- 1.164, 1.168, 1.175, 1.179, 1.189, 1.201, 1.209, 1.213, 1.213, 1.209, 1.201, 1.198, 1.186, 1.181, 1.174, 1.173,
- 1.161, 1.166, 1.171, 1.175, 1.179, 1.189, 1.197, 1.198, 1.198, 1.197, 1.196, 1.186, 1.182, 1.175, 1.173, 1.173
- ]
- },
- {
- "ct": 6500, "table":
- [
- 1.166, 1.171, 1.173, 1.178, 1.187, 1.193, 1.201, 1.205, 1.205, 1.205, 1.199, 1.191, 1.184, 1.179, 1.174, 1.171,
- 1.166, 1.172, 1.176, 1.184, 1.195, 1.202, 1.209, 1.216, 1.216, 1.213, 1.208, 1.201, 1.189, 1.182, 1.176, 1.171,
- 1.166, 1.173, 1.183, 1.195, 1.202, 1.214, 1.221, 1.228, 1.229, 1.228, 1.221, 1.209, 1.201, 1.186, 1.179, 1.174,
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- ]
- }
- ],
- "luminance_lut":
- [
- 2.236, 2.111, 1.912, 1.741, 1.579, 1.451, 1.379, 1.349, 1.349, 1.361, 1.411, 1.505, 1.644, 1.816, 2.034, 2.159,
- 2.139, 1.994, 1.796, 1.625, 1.467, 1.361, 1.285, 1.248, 1.239, 1.265, 1.321, 1.408, 1.536, 1.703, 1.903, 2.087,
- 2.047, 1.898, 1.694, 1.511, 1.373, 1.254, 1.186, 1.152, 1.142, 1.166, 1.226, 1.309, 1.441, 1.598, 1.799, 1.978,
- 1.999, 1.824, 1.615, 1.429, 1.281, 1.179, 1.113, 1.077, 1.071, 1.096, 1.153, 1.239, 1.357, 1.525, 1.726, 1.915,
- 1.976, 1.773, 1.563, 1.374, 1.222, 1.119, 1.064, 1.032, 1.031, 1.049, 1.099, 1.188, 1.309, 1.478, 1.681, 1.893,
- 1.973, 1.756, 1.542, 1.351, 1.196, 1.088, 1.028, 1.011, 1.004, 1.029, 1.077, 1.169, 1.295, 1.459, 1.663, 1.891,
- 1.973, 1.761, 1.541, 1.349, 1.193, 1.087, 1.031, 1.006, 1.006, 1.023, 1.075, 1.169, 1.298, 1.463, 1.667, 1.891,
- 1.982, 1.789, 1.568, 1.373, 1.213, 1.111, 1.051, 1.029, 1.024, 1.053, 1.106, 1.199, 1.329, 1.495, 1.692, 1.903,
- 2.015, 1.838, 1.621, 1.426, 1.268, 1.159, 1.101, 1.066, 1.068, 1.099, 1.166, 1.259, 1.387, 1.553, 1.751, 1.937,
- 2.076, 1.911, 1.692, 1.507, 1.346, 1.236, 1.169, 1.136, 1.139, 1.174, 1.242, 1.349, 1.475, 1.641, 1.833, 2.004,
- 2.193, 2.011, 1.798, 1.604, 1.444, 1.339, 1.265, 1.235, 1.237, 1.273, 1.351, 1.461, 1.598, 1.758, 1.956, 2.125,
- 2.263, 2.154, 1.916, 1.711, 1.549, 1.432, 1.372, 1.356, 1.356, 1.383, 1.455, 1.578, 1.726, 1.914, 2.119, 2.211
- ],
- "sigma": 0.006,
- "sigma_Cb": 0.00208
- },
- "rpi.contrast":
- {
- "ce_enable": 1,
- "gamma_curve":
- [
- 0, 0, 1024, 5040, 2048, 9338, 3072, 12356, 4096, 15312, 5120, 18051, 6144, 20790, 7168, 23193,
- 8192, 25744, 9216, 27942, 10240, 30035, 11264, 32005, 12288, 33975, 13312, 35815, 14336, 37600, 15360, 39168,
- 16384, 40642, 18432, 43379, 20480, 45749, 22528, 47753, 24576, 49621, 26624, 51253, 28672, 52698, 30720, 53796,
- 32768, 54876, 36864, 57012, 40960, 58656, 45056, 59954, 49152, 61183, 53248, 62355, 57344, 63419, 61440, 64476,
- 65535, 65535
- ]
- },
- "rpi.ccm":
- {
- "ccms":
- [
- {
- "ct": 2500, "ccm":
- [
- 1.70741, -0.05307, -0.65433, -0.62822, 1.68836, -0.06014, -0.04452, -1.87628, 2.92079
- ]
- },
- {
- "ct": 2803, "ccm":
- [
- 1.74383, -0.18731, -0.55652, -0.56491, 1.67772, -0.11281, -0.01522, -1.60635, 2.62157
- ]
- },
- {
- "ct": 2912, "ccm":
- [
- 1.75215, -0.22221, -0.52995, -0.54568, 1.63522, -0.08954, 0.02633, -1.56997, 2.54364
- ]
- },
- {
- "ct": 2914, "ccm":
- [
- 1.72423, -0.28939, -0.43484, -0.55188, 1.62925, -0.07737, 0.01959, -1.28661, 2.26702
- ]
- },
- {
- "ct": 3605, "ccm":
- [
- 1.80381, -0.43646, -0.36735, -0.46505, 1.56814, -0.10309, 0.00929, -1.00424, 1.99495
- ]
- },
- {
- "ct": 4540, "ccm":
- [
- 1.85263, -0.46545, -0.38719, -0.44136, 1.68443, -0.24307, 0.04108, -0.85599, 1.81491
- ]
- },
- {
- "ct": 5699, "ccm":
- [
- 1.98595, -0.63542, -0.35054, -0.34623, 1.54146, -0.19522, 0.00411, -0.70936, 1.70525
- ]
- },
- {
- "ct": 8625, "ccm":
- [
- 2.21637, -0.56663, -0.64974, -0.41133, 1.96625, -0.55492, -0.02307, -0.83529, 1.85837
- ]
- }
- ]
- },
- "rpi.sharpen":
- {
-
- }
-}
diff --git a/src/ipa/raspberrypi/data/ov5647_noir.json b/src/ipa/raspberrypi/data/ov5647_noir.json
deleted file mode 100644
index 1c628ed1..00000000
--- a/src/ipa/raspberrypi/data/ov5647_noir.json
+++ /dev/null
@@ -1,341 +0,0 @@
-{
- "rpi.black_level":
- {
- "black_level": 1024
- },
- "rpi.dpc":
- {
-
- },
- "rpi.lux":
- {
- "reference_shutter_speed": 21663,
- "reference_gain": 1.0,
- "reference_aperture": 1.0,
- "reference_lux": 987,
- "reference_Y": 8961
- },
- "rpi.noise":
- {
- "reference_constant": 0,
- "reference_slope": 4.25
- },
- "rpi.geq":
- {
- "offset": 401,
- "slope": 0.05619
- },
- "rpi.sdn":
- {
-
- },
- "rpi.awb":
- {
- "bayes": 0
- },
- "rpi.agc":
- {
- "metering_modes":
- {
- "centre-weighted":
- {
- "weights":
- [
- 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0
- ]
- },
- "spot":
- {
- "weights":
- [
- 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
- ]
- },
- "matrix":
- {
- "weights":
- [
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
- ]
- }
- },
- "exposure_modes":
- {
- "normal":
- {
- "shutter":
- [
- 100, 10000, 30000, 60000, 66666
- ],
- "gain":
- [
- 1.0, 2.0, 4.0, 6.0, 8.0
- ]
- },
- "short":
- {
- "shutter":
- [
- 100, 5000, 10000, 20000, 33333
- ],
- "gain":
- [
- 1.0, 2.0, 4.0, 6.0, 8.0
- ]
- },
- "long":
- {
- "shutter":
- [
- 100, 10000, 30000, 60000, 120000
- ],
- "gain":
- [
- 1.0, 2.0, 4.0, 6.0, 12.0
- ]
- }
- },
- "constraint_modes":
- {
- "normal":
- [
- {
- "bound": "LOWER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
- [
- 0, 0.5, 1000, 0.5
- ]
- }
- ],
- "highlight":
- [
- {
- "bound": "LOWER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
- [
- 0, 0.5, 1000, 0.5
- ]
- },
- {
- "bound": "UPPER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
- [
- 0, 0.8, 1000, 0.8
- ]
- }
- ],
- "shadows":
- [
- {
- "bound": "LOWER", "q_lo": 0.0, "q_hi": 0.5, "y_target":
- [
- 0, 0.17, 1000, 0.17
- ]
- }
- ]
- },
- "y_target":
- [
- 0, 0.16, 1000, 0.165, 10000, 0.17
- ],
- "base_ev": 1.25
- },
- "rpi.alsc":
- {
- "omega": 1.3,
- "n_iter": 100,
- "luminance_strength": 0.5,
- "calibrations_Cr":
- [
- {
- "ct": 3000, "table":
- [
- 1.105, 1.103, 1.093, 1.083, 1.071, 1.065, 1.065, 1.065, 1.066, 1.069, 1.072, 1.077, 1.084, 1.089, 1.093, 1.093,
- 1.103, 1.096, 1.084, 1.072, 1.059, 1.051, 1.047, 1.047, 1.051, 1.053, 1.059, 1.067, 1.075, 1.082, 1.085, 1.086,
- 1.096, 1.084, 1.072, 1.059, 1.051, 1.045, 1.039, 1.038, 1.039, 1.045, 1.049, 1.057, 1.063, 1.072, 1.081, 1.082,
- 1.092, 1.075, 1.061, 1.052, 1.045, 1.039, 1.036, 1.035, 1.035, 1.039, 1.044, 1.049, 1.056, 1.063, 1.072, 1.081,
- 1.092, 1.073, 1.058, 1.048, 1.043, 1.038, 1.035, 1.033, 1.033, 1.035, 1.039, 1.044, 1.051, 1.057, 1.069, 1.078,
- 1.091, 1.068, 1.054, 1.045, 1.041, 1.038, 1.035, 1.032, 1.032, 1.032, 1.036, 1.041, 1.045, 1.055, 1.069, 1.078,
- 1.091, 1.068, 1.052, 1.043, 1.041, 1.038, 1.035, 1.032, 1.031, 1.032, 1.034, 1.036, 1.043, 1.055, 1.069, 1.078,
- 1.092, 1.068, 1.052, 1.047, 1.042, 1.041, 1.038, 1.035, 1.032, 1.032, 1.035, 1.039, 1.043, 1.055, 1.071, 1.079,
- 1.092, 1.073, 1.057, 1.051, 1.047, 1.047, 1.044, 1.041, 1.038, 1.038, 1.039, 1.043, 1.051, 1.059, 1.076, 1.083,
- 1.092, 1.081, 1.068, 1.058, 1.056, 1.056, 1.053, 1.052, 1.049, 1.048, 1.048, 1.051, 1.059, 1.066, 1.083, 1.085,
- 1.091, 1.087, 1.081, 1.068, 1.065, 1.064, 1.062, 1.062, 1.061, 1.056, 1.056, 1.056, 1.064, 1.069, 1.084, 1.089,
- 1.091, 1.089, 1.085, 1.079, 1.069, 1.068, 1.067, 1.067, 1.067, 1.063, 1.061, 1.063, 1.068, 1.069, 1.081, 1.092
- ]
- },
- {
- "ct": 5000, "table":
- [
- 1.486, 1.484, 1.468, 1.449, 1.427, 1.403, 1.399, 1.399, 1.399, 1.404, 1.413, 1.433, 1.454, 1.473, 1.482, 1.488,
- 1.484, 1.472, 1.454, 1.431, 1.405, 1.381, 1.365, 1.365, 1.367, 1.373, 1.392, 1.411, 1.438, 1.458, 1.476, 1.481,
- 1.476, 1.458, 1.433, 1.405, 1.381, 1.361, 1.339, 1.334, 1.334, 1.346, 1.362, 1.391, 1.411, 1.438, 1.462, 1.474,
- 1.471, 1.443, 1.417, 1.388, 1.361, 1.339, 1.321, 1.313, 1.313, 1.327, 1.346, 1.362, 1.391, 1.422, 1.453, 1.473,
- 1.469, 1.439, 1.408, 1.377, 1.349, 1.321, 1.312, 1.299, 1.299, 1.311, 1.327, 1.348, 1.378, 1.415, 1.446, 1.468,
- 1.468, 1.434, 1.402, 1.371, 1.341, 1.316, 1.299, 1.296, 1.295, 1.299, 1.314, 1.338, 1.371, 1.408, 1.441, 1.466,
- 1.468, 1.434, 1.401, 1.371, 1.341, 1.316, 1.301, 1.296, 1.295, 1.297, 1.314, 1.338, 1.369, 1.408, 1.441, 1.465,
- 1.469, 1.436, 1.401, 1.374, 1.348, 1.332, 1.315, 1.301, 1.301, 1.313, 1.324, 1.342, 1.372, 1.409, 1.442, 1.465,
- 1.471, 1.444, 1.413, 1.388, 1.371, 1.348, 1.332, 1.323, 1.323, 1.324, 1.342, 1.362, 1.386, 1.418, 1.449, 1.467,
- 1.473, 1.454, 1.431, 1.407, 1.388, 1.371, 1.359, 1.352, 1.351, 1.351, 1.362, 1.383, 1.404, 1.433, 1.462, 1.472,
- 1.474, 1.461, 1.447, 1.424, 1.407, 1.394, 1.385, 1.381, 1.379, 1.381, 1.383, 1.401, 1.419, 1.444, 1.466, 1.481,
- 1.474, 1.464, 1.455, 1.442, 1.421, 1.408, 1.403, 1.403, 1.403, 1.399, 1.402, 1.415, 1.432, 1.446, 1.467, 1.483
- ]
- },
- {
- "ct": 6500, "table":
- [
- 1.567, 1.565, 1.555, 1.541, 1.525, 1.518, 1.518, 1.518, 1.521, 1.527, 1.532, 1.541, 1.551, 1.559, 1.567, 1.569,
- 1.565, 1.557, 1.542, 1.527, 1.519, 1.515, 1.511, 1.516, 1.519, 1.524, 1.528, 1.533, 1.542, 1.553, 1.559, 1.562,
- 1.561, 1.546, 1.532, 1.521, 1.518, 1.515, 1.511, 1.516, 1.519, 1.524, 1.528, 1.529, 1.533, 1.542, 1.554, 1.559,
- 1.561, 1.539, 1.526, 1.524, 1.521, 1.521, 1.522, 1.524, 1.525, 1.531, 1.529, 1.529, 1.531, 1.538, 1.549, 1.558,
- 1.559, 1.538, 1.526, 1.525, 1.524, 1.528, 1.534, 1.536, 1.536, 1.536, 1.532, 1.529, 1.531, 1.537, 1.548, 1.556,
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- 1.561, 1.536, 1.524, 1.522, 1.525, 1.532, 1.538, 1.538, 1.537, 1.533, 1.528, 1.526, 1.527, 1.536, 1.546, 1.555,
- 1.561, 1.537, 1.522, 1.521, 1.524, 1.531, 1.536, 1.537, 1.534, 1.529, 1.526, 1.522, 1.523, 1.534, 1.547, 1.555,
- 1.561, 1.538, 1.524, 1.522, 1.526, 1.531, 1.535, 1.535, 1.534, 1.527, 1.524, 1.522, 1.522, 1.535, 1.549, 1.556,
- 1.558, 1.543, 1.532, 1.526, 1.526, 1.529, 1.534, 1.535, 1.533, 1.526, 1.523, 1.522, 1.524, 1.537, 1.552, 1.557,
- 1.555, 1.546, 1.541, 1.528, 1.527, 1.528, 1.531, 1.533, 1.531, 1.527, 1.522, 1.522, 1.526, 1.536, 1.552, 1.561,
- 1.555, 1.547, 1.542, 1.538, 1.526, 1.526, 1.529, 1.531, 1.529, 1.528, 1.519, 1.519, 1.527, 1.531, 1.543, 1.561
- ]
- }
- ],
- "calibrations_Cb":
- [
- {
- "ct": 3000, "table":
- [
- 1.684, 1.688, 1.691, 1.697, 1.709, 1.722, 1.735, 1.745, 1.747, 1.745, 1.731, 1.719, 1.709, 1.705, 1.699, 1.699,
- 1.684, 1.689, 1.694, 1.708, 1.721, 1.735, 1.747, 1.762, 1.762, 1.758, 1.745, 1.727, 1.716, 1.707, 1.701, 1.699,
- 1.684, 1.691, 1.704, 1.719, 1.734, 1.755, 1.772, 1.786, 1.789, 1.788, 1.762, 1.745, 1.724, 1.709, 1.702, 1.698,
- 1.682, 1.694, 1.709, 1.729, 1.755, 1.773, 1.798, 1.815, 1.817, 1.808, 1.788, 1.762, 1.733, 1.714, 1.704, 1.699,
- 1.682, 1.693, 1.713, 1.742, 1.772, 1.798, 1.815, 1.829, 1.831, 1.821, 1.807, 1.773, 1.742, 1.716, 1.703, 1.699,
- 1.681, 1.693, 1.713, 1.742, 1.772, 1.799, 1.828, 1.839, 1.839, 1.828, 1.807, 1.774, 1.742, 1.715, 1.699, 1.695,
- 1.679, 1.691, 1.712, 1.739, 1.771, 1.798, 1.825, 1.829, 1.831, 1.818, 1.801, 1.774, 1.738, 1.712, 1.695, 1.691,
- 1.676, 1.685, 1.703, 1.727, 1.761, 1.784, 1.801, 1.817, 1.817, 1.801, 1.779, 1.761, 1.729, 1.706, 1.691, 1.684,
- 1.669, 1.678, 1.692, 1.714, 1.741, 1.764, 1.784, 1.795, 1.795, 1.779, 1.761, 1.738, 1.713, 1.696, 1.683, 1.679,
- 1.664, 1.671, 1.679, 1.693, 1.716, 1.741, 1.762, 1.769, 1.769, 1.753, 1.738, 1.713, 1.701, 1.687, 1.681, 1.676,
- 1.661, 1.664, 1.671, 1.679, 1.693, 1.714, 1.732, 1.739, 1.739, 1.729, 1.708, 1.701, 1.685, 1.679, 1.676, 1.677,
- 1.659, 1.661, 1.664, 1.671, 1.679, 1.693, 1.712, 1.714, 1.714, 1.708, 1.701, 1.687, 1.679, 1.672, 1.673, 1.677
- ]
- },
- {
- "ct": 5000, "table":
- [
- 1.177, 1.183, 1.187, 1.191, 1.197, 1.206, 1.213, 1.215, 1.215, 1.215, 1.211, 1.204, 1.196, 1.191, 1.183, 1.182,
- 1.179, 1.185, 1.191, 1.196, 1.206, 1.217, 1.224, 1.229, 1.229, 1.226, 1.221, 1.212, 1.202, 1.195, 1.188, 1.182,
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- 1.164, 1.168, 1.175, 1.179, 1.189, 1.201, 1.209, 1.213, 1.213, 1.209, 1.201, 1.198, 1.186, 1.181, 1.174, 1.173,
- 1.161, 1.166, 1.171, 1.175, 1.179, 1.189, 1.197, 1.198, 1.198, 1.197, 1.196, 1.186, 1.182, 1.175, 1.173, 1.173
- ]
- },
- {
- "ct": 6500, "table":
- [
- 1.166, 1.171, 1.173, 1.178, 1.187, 1.193, 1.201, 1.205, 1.205, 1.205, 1.199, 1.191, 1.184, 1.179, 1.174, 1.171,
- 1.166, 1.172, 1.176, 1.184, 1.195, 1.202, 1.209, 1.216, 1.216, 1.213, 1.208, 1.201, 1.189, 1.182, 1.176, 1.171,
- 1.166, 1.173, 1.183, 1.195, 1.202, 1.214, 1.221, 1.228, 1.229, 1.228, 1.221, 1.209, 1.201, 1.186, 1.179, 1.174,
- 1.165, 1.174, 1.187, 1.201, 1.214, 1.223, 1.235, 1.241, 1.242, 1.241, 1.229, 1.221, 1.205, 1.188, 1.181, 1.177,
- 1.165, 1.174, 1.189, 1.207, 1.223, 1.235, 1.242, 1.253, 1.252, 1.245, 1.241, 1.228, 1.211, 1.189, 1.181, 1.178,
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- 1.159, 1.167, 1.179, 1.199, 1.217, 1.227, 1.237, 1.241, 1.241, 1.237, 1.228, 1.217, 1.201, 1.184, 1.174, 1.169,
- 1.156, 1.164, 1.172, 1.189, 1.205, 1.217, 1.226, 1.229, 1.229, 1.222, 1.217, 1.204, 1.192, 1.177, 1.171, 1.166,
- 1.154, 1.159, 1.166, 1.177, 1.189, 1.205, 1.213, 1.216, 1.216, 1.209, 1.204, 1.192, 1.183, 1.172, 1.168, 1.162,
- 1.152, 1.155, 1.161, 1.166, 1.177, 1.188, 1.195, 1.198, 1.199, 1.196, 1.187, 1.183, 1.173, 1.168, 1.163, 1.162,
- 1.151, 1.154, 1.158, 1.162, 1.168, 1.177, 1.183, 1.184, 1.184, 1.184, 1.182, 1.172, 1.168, 1.165, 1.162, 1.161
- ]
- }
- ],
- "luminance_lut":
- [
- 2.236, 2.111, 1.912, 1.741, 1.579, 1.451, 1.379, 1.349, 1.349, 1.361, 1.411, 1.505, 1.644, 1.816, 2.034, 2.159,
- 2.139, 1.994, 1.796, 1.625, 1.467, 1.361, 1.285, 1.248, 1.239, 1.265, 1.321, 1.408, 1.536, 1.703, 1.903, 2.087,
- 2.047, 1.898, 1.694, 1.511, 1.373, 1.254, 1.186, 1.152, 1.142, 1.166, 1.226, 1.309, 1.441, 1.598, 1.799, 1.978,
- 1.999, 1.824, 1.615, 1.429, 1.281, 1.179, 1.113, 1.077, 1.071, 1.096, 1.153, 1.239, 1.357, 1.525, 1.726, 1.915,
- 1.976, 1.773, 1.563, 1.374, 1.222, 1.119, 1.064, 1.032, 1.031, 1.049, 1.099, 1.188, 1.309, 1.478, 1.681, 1.893,
- 1.973, 1.756, 1.542, 1.351, 1.196, 1.088, 1.028, 1.011, 1.004, 1.029, 1.077, 1.169, 1.295, 1.459, 1.663, 1.891,
- 1.973, 1.761, 1.541, 1.349, 1.193, 1.087, 1.031, 1.006, 1.006, 1.023, 1.075, 1.169, 1.298, 1.463, 1.667, 1.891,
- 1.982, 1.789, 1.568, 1.373, 1.213, 1.111, 1.051, 1.029, 1.024, 1.053, 1.106, 1.199, 1.329, 1.495, 1.692, 1.903,
- 2.015, 1.838, 1.621, 1.426, 1.268, 1.159, 1.101, 1.066, 1.068, 1.099, 1.166, 1.259, 1.387, 1.553, 1.751, 1.937,
- 2.076, 1.911, 1.692, 1.507, 1.346, 1.236, 1.169, 1.136, 1.139, 1.174, 1.242, 1.349, 1.475, 1.641, 1.833, 2.004,
- 2.193, 2.011, 1.798, 1.604, 1.444, 1.339, 1.265, 1.235, 1.237, 1.273, 1.351, 1.461, 1.598, 1.758, 1.956, 2.125,
- 2.263, 2.154, 1.916, 1.711, 1.549, 1.432, 1.372, 1.356, 1.356, 1.383, 1.455, 1.578, 1.726, 1.914, 2.119, 2.211
- ],
- "sigma": 0.006,
- "sigma_Cb": 0.00208
- },
- "rpi.contrast":
- {
- "ce_enable": 1,
- "gamma_curve":
- [
- 0, 0, 1024, 5040, 2048, 9338, 3072, 12356, 4096, 15312, 5120, 18051, 6144, 20790, 7168, 23193,
- 8192, 25744, 9216, 27942, 10240, 30035, 11264, 32005, 12288, 33975, 13312, 35815, 14336, 37600, 15360, 39168,
- 16384, 40642, 18432, 43379, 20480, 45749, 22528, 47753, 24576, 49621, 26624, 51253, 28672, 52698, 30720, 53796,
- 32768, 54876, 36864, 57012, 40960, 58656, 45056, 59954, 49152, 61183, 53248, 62355, 57344, 63419, 61440, 64476,
- 65535, 65535
- ]
- },
- "rpi.ccm":
- {
- "ccms":
- [
- {
- "ct": 2500, "ccm":
- [
- 1.70741, -0.05307, -0.65433, -0.62822, 1.68836, -0.06014, -0.04452, -1.87628, 2.92079
- ]
- },
- {
- "ct": 2803, "ccm":
- [
- 1.74383, -0.18731, -0.55652, -0.56491, 1.67772, -0.11281, -0.01522, -1.60635, 2.62157
- ]
- },
- {
- "ct": 2912, "ccm":
- [
- 1.75215, -0.22221, -0.52995, -0.54568, 1.63522, -0.08954, 0.02633, -1.56997, 2.54364
- ]
- },
- {
- "ct": 2914, "ccm":
- [
- 1.72423, -0.28939, -0.43484, -0.55188, 1.62925, -0.07737, 0.01959, -1.28661, 2.26702
- ]
- },
- {
- "ct": 3605, "ccm":
- [
- 1.80381, -0.43646, -0.36735, -0.46505, 1.56814, -0.10309, 0.00929, -1.00424, 1.99495
- ]
- },
- {
- "ct": 4540, "ccm":
- [
- 1.85263, -0.46545, -0.38719, -0.44136, 1.68443, -0.24307, 0.04108, -0.85599, 1.81491
- ]
- },
- {
- "ct": 5699, "ccm":
- [
- 1.98595, -0.63542, -0.35054, -0.34623, 1.54146, -0.19522, 0.00411, -0.70936, 1.70525
- ]
- },
- {
- "ct": 8625, "ccm":
- [
- 2.21637, -0.56663, -0.64974, -0.41133, 1.96625, -0.55492, -0.02307, -0.83529, 1.85837
- ]
- }
- ]
- },
- "rpi.sharpen":
- {
-
- }
-}
diff --git a/src/ipa/raspberrypi/data/ov9281.json b/src/ipa/raspberrypi/data/ov9281.json
deleted file mode 100644
index 2319448b..00000000
--- a/src/ipa/raspberrypi/data/ov9281.json
+++ /dev/null
@@ -1,92 +0,0 @@
-{
- "rpi.black_level":
- {
- "black_level": 4096
- },
- "rpi.lux":
- {
- "reference_shutter_speed": 2000,
- "reference_gain": 1.0,
- "reference_aperture": 1.0,
- "reference_lux": 800,
- "reference_Y": 20000
- },
- "rpi.noise":
- {
- "reference_constant": 0,
- "reference_slope": 2.5
- },
- "rpi.sdn":
- {
- },
- "rpi.agc":
- {
- "metering_modes":
- {
- "centre-weighted": {
- "weights": [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0]
- }
- },
- "exposure_modes":
- {
- "normal":
- {
- "shutter": [ 100, 15000, 30000, 60000, 120000 ],
- "gain": [ 1.0, 2.0, 3.0, 4.0, 8.0 ]
- }
- },
- "constraint_modes":
- {
- "normal":
- [
- { "bound": "LOWER", "q_lo": 0.98, "q_hi": 1.0, "y_target": [ 0, 0.4, 1000, 0.4 ] }
- ]
- },
- "y_target": [ 0, 0.16, 1000, 0.165, 10000, 0.17 ]
- },
- "rpi.alsc":
- {
- "n_iter": 0,
- "luminance_strength": 1.0,
- "corner_strength": 1.5
- },
- "rpi.contrast":
- {
- "ce_enable": 0,
- "gamma_curve": [
- 0, 0,
- 1024, 5040,
- 2048, 9338,
- 3072, 12356,
- 4096, 15312,
- 5120, 18051,
- 6144, 20790,
- 7168, 23193,
- 8192, 25744,
- 9216, 27942,
- 10240, 30035,
- 11264, 32005,
- 12288, 33975,
- 13312, 35815,
- 14336, 37600,
- 15360, 39168,
- 16384, 40642,
- 18432, 43379,
- 20480, 45749,
- 22528, 47753,
- 24576, 49621,
- 26624, 51253,
- 28672, 52698,
- 30720, 53796,
- 32768, 54876,
- 36864, 57012,
- 40960, 58656,
- 45056, 59954,
- 49152, 61183,
- 53248, 62355,
- 57344, 63419,
- 61440, 64476,
- 65535, 65535
- ]
- }
-}
diff --git a/src/ipa/raspberrypi/data/se327m12.json b/src/ipa/raspberrypi/data/se327m12.json
deleted file mode 100644
index 94af2239..00000000
--- a/src/ipa/raspberrypi/data/se327m12.json
+++ /dev/null
@@ -1,341 +0,0 @@
-{
- "rpi.black_level":
- {
- "black_level": 3840
- },
- "rpi.dpc":
- {
- },
- "rpi.lux":
- {
- "reference_shutter_speed": 6873,
- "reference_gain": 1.0,
- "reference_aperture": 1.0,
- "reference_lux": 800,
- "reference_Y": 12293
- },
- "rpi.noise":
- {
- "reference_constant": 0,
- "reference_slope": 1.986
- },
- "rpi.geq":
- {
- "offset": 207,
- "slope": 0.00539
- },
- "rpi.sdn":
- {
- },
- "rpi.awb":
- {
- "priors":
- [
- {
- "lux": 0, "prior":
- [
- 2000, 1.0, 3000, 0.0, 13000, 0.0
- ]
- },
- {
- "lux": 800, "prior":
- [
- 2000, 0.0, 6000, 2.0, 13000, 2.0
- ]
- },
- {
- "lux": 1500, "prior":
- [
- 2000, 0.0, 4000, 1.0, 6000, 6.0, 6500, 7.0, 7000, 1.0, 13000, 1.0
- ]
- }
- ],
- "modes":
- {
- "auto":
- {
- "lo": 2500,
- "hi": 8000
- },
- "incandescent":
- {
- "lo": 2500,
- "hi": 3000
- },
- "tungsten":
- {
- "lo": 3000,
- "hi": 3500
- },
- "fluorescent":
- {
- "lo": 4000,
- "hi": 4700
- },
- "indoor":
- {
- "lo": 3000,
- "hi": 5000
- },
- "daylight":
- {
- "lo": 5500,
- "hi": 6500
- },
- "cloudy":
- {
- "lo": 7000,
- "hi": 8600
- }
- },
- "bayes": 1,
- "ct_curve":
- [
- 2900.0, 0.9217, 0.3657, 3600.0, 0.7876, 0.4651, 4600.0, 0.6807, 0.5684, 5800.0, 0.5937, 0.6724, 8100.0, 0.5447, 0.7403
- ],
- "sensitivity_r": 1.0,
- "sensitivity_b": 1.0,
- "transverse_pos": 0.0162,
- "transverse_neg": 0.0204
- },
- "rpi.agc":
- {
- "metering_modes":
- {
- "centre-weighted":
- {
- "weights":
- [
- 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0
- ]
- },
- "spot":
- {
- "weights":
- [
- 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
- ]
- },
- "matrix":
- {
- "weights":
- [
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
- ]
- }
- },
- "exposure_modes":
- {
- "normal":
- {
- "shutter":
- [
- 100, 10000, 30000, 60000, 120000
- ],
- "gain":
- [
- 1.0, 2.0, 4.0, 6.0, 8.0
- ]
- },
- "short":
- {
- "shutter":
- [
- 100, 5000, 10000, 20000, 120000
- ],
- "gain":
- [
- 1.0, 2.0, 4.0, 6.0, 8.0
- ]
- }
- },
- "constraint_modes":
- {
- "normal":
- [
- {
- "bound": "LOWER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
- [
- 0, 0.5, 1000, 0.5
- ]
- }
- ],
- "highlight":
- [
- {
- "bound": "LOWER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
- [
- 0, 0.5, 1000, 0.5
- ]
- },
- {
- "bound": "UPPER", "q_lo": 0.98, "q_hi": 1.0, "y_target":
- [
- 0, 0.8, 1000, 0.8
- ]
- }
- ]
- },
- "y_target":
- [
- 0, 0.16, 1000, 0.165, 10000, 0.17
- ]
- },
- "rpi.alsc":
- {
- "omega": 1.3,
- "n_iter": 100,
- "luminance_strength": 0.5,
- "calibrations_Cr":
- [
- {
- "ct": 4000, "table":
- [
- 1.481, 1.471, 1.449, 1.429, 1.416, 1.404, 1.394, 1.389, 1.389, 1.389, 1.392, 1.397, 1.404, 1.416, 1.429, 1.437,
- 1.472, 1.456, 1.436, 1.418, 1.405, 1.394, 1.389, 1.384, 1.382, 1.382, 1.386, 1.388, 1.398, 1.407, 1.422, 1.429,
- 1.465, 1.443, 1.426, 1.411, 1.397, 1.389, 1.383, 1.377, 1.377, 1.377, 1.379, 1.384, 1.388, 1.398, 1.411, 1.422,
- 1.462, 1.441, 1.423, 1.409, 1.395, 1.385, 1.379, 1.376, 1.374, 1.374, 1.375, 1.379, 1.384, 1.394, 1.407, 1.418,
- 1.461, 1.439, 1.421, 1.407, 1.394, 1.385, 1.381, 1.376, 1.373, 1.373, 1.373, 1.376, 1.381, 1.389, 1.403, 1.415,
- 1.461, 1.439, 1.419, 1.404, 1.392, 1.384, 1.379, 1.376, 1.373, 1.372, 1.374, 1.375, 1.379, 1.389, 1.401, 1.413,
- 1.461, 1.438, 1.419, 1.402, 1.389, 1.383, 1.377, 1.375, 1.373, 1.372, 1.372, 1.375, 1.381, 1.388, 1.401, 1.414,
- 1.462, 1.438, 1.419, 1.403, 1.391, 1.381, 1.377, 1.374, 1.373, 1.373, 1.374, 1.376, 1.381, 1.389, 1.401, 1.414,
- 1.462, 1.441, 1.423, 1.405, 1.392, 1.383, 1.377, 1.374, 1.373, 1.372, 1.373, 1.376, 1.382, 1.391, 1.402, 1.414,
- 1.465, 1.444, 1.424, 1.407, 1.393, 1.382, 1.378, 1.373, 1.369, 1.369, 1.372, 1.375, 1.381, 1.389, 1.402, 1.417,
- 1.469, 1.449, 1.427, 1.413, 1.396, 1.384, 1.381, 1.375, 1.371, 1.371, 1.373, 1.377, 1.385, 1.393, 1.407, 1.422,
- 1.474, 1.456, 1.436, 1.419, 1.407, 1.391, 1.383, 1.379, 1.377, 1.377, 1.378, 1.381, 1.391, 1.404, 1.422, 1.426
- ]
- },
- {
- "ct": 5000, "table":
- [
- 1.742, 1.721, 1.689, 1.661, 1.639, 1.623, 1.613, 1.609, 1.607, 1.606, 1.609, 1.617, 1.626, 1.641, 1.665, 1.681,
- 1.728, 1.703, 1.672, 1.645, 1.631, 1.614, 1.602, 1.599, 1.596, 1.597, 1.601, 1.608, 1.618, 1.631, 1.653, 1.671,
- 1.713, 1.691, 1.658, 1.635, 1.618, 1.606, 1.595, 1.591, 1.588, 1.588, 1.591, 1.601, 1.608, 1.624, 1.641, 1.658,
- 1.707, 1.681, 1.651, 1.627, 1.613, 1.599, 1.591, 1.585, 1.583, 1.584, 1.587, 1.591, 1.601, 1.615, 1.633, 1.655,
- 1.699, 1.672, 1.644, 1.622, 1.606, 1.593, 1.586, 1.581, 1.579, 1.581, 1.583, 1.587, 1.597, 1.611, 1.631, 1.652,
- 1.697, 1.665, 1.637, 1.617, 1.601, 1.589, 1.584, 1.579, 1.577, 1.578, 1.581, 1.585, 1.597, 1.607, 1.627, 1.652,
- 1.697, 1.662, 1.634, 1.613, 1.599, 1.591, 1.583, 1.578, 1.576, 1.576, 1.579, 1.586, 1.597, 1.607, 1.628, 1.653,
- 1.697, 1.662, 1.633, 1.613, 1.598, 1.589, 1.582, 1.578, 1.576, 1.577, 1.582, 1.589, 1.598, 1.611, 1.635, 1.655,
- 1.701, 1.666, 1.636, 1.616, 1.602, 1.589, 1.583, 1.578, 1.577, 1.581, 1.583, 1.591, 1.601, 1.617, 1.639, 1.659,
- 1.708, 1.671, 1.641, 1.618, 1.603, 1.591, 1.584, 1.581, 1.578, 1.581, 1.585, 1.594, 1.604, 1.622, 1.646, 1.666,
- 1.714, 1.681, 1.648, 1.622, 1.608, 1.599, 1.591, 1.584, 1.583, 1.584, 1.589, 1.599, 1.614, 1.629, 1.653, 1.673,
- 1.719, 1.691, 1.659, 1.631, 1.618, 1.606, 1.596, 1.591, 1.591, 1.593, 1.599, 1.608, 1.623, 1.642, 1.665, 1.681
- ]
- }
- ],
- "calibrations_Cb":
- [
- {
- "ct": 4000, "table":
- [
- 2.253, 2.267, 2.289, 2.317, 2.342, 2.359, 2.373, 2.381, 2.381, 2.378, 2.368, 2.361, 2.344, 2.337, 2.314, 2.301,
- 2.262, 2.284, 2.314, 2.335, 2.352, 2.371, 2.383, 2.391, 2.393, 2.391, 2.381, 2.368, 2.361, 2.342, 2.322, 2.308,
- 2.277, 2.303, 2.321, 2.346, 2.364, 2.381, 2.391, 2.395, 2.397, 2.397, 2.395, 2.381, 2.367, 2.354, 2.332, 2.321,
- 2.277, 2.304, 2.327, 2.349, 2.369, 2.388, 2.393, 2.396, 2.396, 2.398, 2.396, 2.391, 2.376, 2.359, 2.339, 2.328,
- 2.279, 2.311, 2.327, 2.354, 2.377, 2.389, 2.393, 2.397, 2.397, 2.398, 2.395, 2.393, 2.382, 2.363, 2.344, 2.332,
- 2.282, 2.311, 2.329, 2.354, 2.377, 2.386, 2.396, 2.396, 2.395, 2.396, 2.397, 2.394, 2.383, 2.367, 2.346, 2.333,
- 2.283, 2.314, 2.333, 2.353, 2.375, 2.389, 2.394, 2.395, 2.395, 2.395, 2.396, 2.394, 2.386, 2.368, 2.354, 2.336,
- 2.287, 2.309, 2.331, 2.352, 2.373, 2.386, 2.394, 2.395, 2.395, 2.396, 2.396, 2.394, 2.384, 2.371, 2.354, 2.339,
- 2.289, 2.307, 2.326, 2.347, 2.369, 2.385, 2.392, 2.397, 2.398, 2.398, 2.397, 2.392, 2.383, 2.367, 2.352, 2.337,
- 2.286, 2.303, 2.322, 2.342, 2.361, 2.379, 2.389, 2.394, 2.397, 2.398, 2.396, 2.389, 2.381, 2.366, 2.346, 2.332,
- 2.284, 2.291, 2.312, 2.329, 2.351, 2.372, 2.381, 2.389, 2.393, 2.394, 2.389, 2.385, 2.374, 2.362, 2.338, 2.325,
- 2.283, 2.288, 2.305, 2.319, 2.339, 2.365, 2.374, 2.381, 2.384, 2.386, 2.385, 2.379, 2.368, 2.342, 2.325, 2.318
- ]
- },
- {
- "ct": 5000, "table":
- [
- 1.897, 1.919, 1.941, 1.969, 1.989, 2.003, 2.014, 2.019, 2.019, 2.017, 2.014, 2.008, 1.999, 1.988, 1.968, 1.944,
- 1.914, 1.932, 1.957, 1.982, 1.998, 2.014, 2.023, 2.029, 2.031, 2.029, 2.022, 2.014, 2.006, 1.995, 1.976, 1.955,
- 1.925, 1.951, 1.974, 1.996, 2.013, 2.027, 2.035, 2.039, 2.039, 2.038, 2.035, 2.026, 2.015, 2.002, 1.984, 1.963,
- 1.932, 1.958, 1.986, 2.007, 2.024, 2.034, 2.041, 2.041, 2.045, 2.045, 2.042, 2.033, 2.023, 2.009, 1.995, 1.971,
- 1.942, 1.964, 1.994, 2.012, 2.029, 2.038, 2.043, 2.046, 2.047, 2.046, 2.045, 2.039, 2.029, 2.014, 1.997, 1.977,
- 1.946, 1.974, 1.999, 2.015, 2.031, 2.041, 2.046, 2.047, 2.048, 2.047, 2.044, 2.041, 2.031, 2.019, 1.999, 1.978,
- 1.948, 1.975, 2.002, 2.018, 2.031, 2.041, 2.046, 2.047, 2.048, 2.048, 2.045, 2.041, 2.029, 2.019, 1.998, 1.978,
- 1.948, 1.973, 2.002, 2.018, 2.029, 2.042, 2.045, 2.048, 2.048, 2.048, 2.044, 2.037, 2.027, 2.014, 1.993, 1.978,
- 1.945, 1.969, 1.998, 2.015, 2.028, 2.037, 2.045, 2.046, 2.047, 2.044, 2.039, 2.033, 2.022, 2.008, 1.989, 1.971,
- 1.939, 1.964, 1.991, 2.011, 2.024, 2.032, 2.036, 2.042, 2.042, 2.039, 2.035, 2.024, 2.012, 1.998, 1.977, 1.964,
- 1.932, 1.953, 1.981, 2.006, 2.016, 2.024, 2.028, 2.031, 2.034, 2.031, 2.024, 2.015, 2.005, 1.989, 1.966, 1.955,
- 1.928, 1.944, 1.973, 1.999, 2.007, 2.016, 2.019, 2.025, 2.026, 2.025, 2.017, 2.008, 1.997, 1.975, 1.958, 1.947
- ]
- }
- ],
- "luminance_lut":
- [
- 1.877, 1.597, 1.397, 1.269, 1.191, 1.131, 1.093, 1.078, 1.071, 1.069, 1.086, 1.135, 1.221, 1.331, 1.474, 1.704,
- 1.749, 1.506, 1.334, 1.229, 1.149, 1.088, 1.058, 1.053, 1.051, 1.046, 1.053, 1.091, 1.163, 1.259, 1.387, 1.587,
- 1.661, 1.451, 1.295, 1.195, 1.113, 1.061, 1.049, 1.048, 1.047, 1.049, 1.049, 1.066, 1.124, 1.211, 1.333, 1.511,
- 1.615, 1.411, 1.267, 1.165, 1.086, 1.052, 1.047, 1.047, 1.047, 1.049, 1.052, 1.056, 1.099, 1.181, 1.303, 1.471,
- 1.576, 1.385, 1.252, 1.144, 1.068, 1.049, 1.044, 1.044, 1.045, 1.049, 1.053, 1.054, 1.083, 1.163, 1.283, 1.447,
- 1.561, 1.373, 1.245, 1.135, 1.064, 1.049, 1.044, 1.044, 1.044, 1.046, 1.048, 1.054, 1.073, 1.153, 1.271, 1.432,
- 1.571, 1.377, 1.242, 1.137, 1.066, 1.055, 1.052, 1.051, 1.051, 1.049, 1.047, 1.048, 1.068, 1.148, 1.271, 1.427,
- 1.582, 1.396, 1.259, 1.156, 1.085, 1.068, 1.059, 1.054, 1.049, 1.045, 1.041, 1.043, 1.074, 1.157, 1.284, 1.444,
- 1.623, 1.428, 1.283, 1.178, 1.105, 1.074, 1.069, 1.063, 1.056, 1.048, 1.046, 1.051, 1.094, 1.182, 1.311, 1.473,
- 1.691, 1.471, 1.321, 1.213, 1.135, 1.088, 1.073, 1.069, 1.063, 1.059, 1.053, 1.071, 1.129, 1.222, 1.351, 1.521,
- 1.808, 1.543, 1.371, 1.253, 1.174, 1.118, 1.085, 1.072, 1.067, 1.064, 1.071, 1.106, 1.176, 1.274, 1.398, 1.582,
- 1.969, 1.666, 1.447, 1.316, 1.223, 1.166, 1.123, 1.094, 1.089, 1.097, 1.118, 1.163, 1.239, 1.336, 1.471, 1.681
- ],
- "sigma": 0.00218,
- "sigma_Cb": 0.00194
- },
- "rpi.contrast":
- {
- "ce_enable": 1,
- "gamma_curve":
- [
- 0, 0, 1024, 5040, 2048, 9338, 3072, 12356, 4096, 15312, 5120, 18051, 6144, 20790, 7168, 23193,
- 8192, 25744, 9216, 27942, 10240, 30035, 11264, 32005, 12288, 33975, 13312, 35815, 14336, 37600, 15360, 39168,
- 16384, 40642, 18432, 43379, 20480, 45749, 22528, 47753, 24576, 49621, 26624, 51253, 28672, 52698, 30720, 53796,
- 32768, 54876, 36864, 57012, 40960, 58656, 45056, 59954, 49152, 61183, 53248, 62355, 57344, 63419, 61440, 64476,
- 65535, 65535
- ]
- },
- "rpi.ccm":
- {
- "ccms":
- [
- {
- "ct": 2900, "ccm":
- [
- 1.44924, -0.12935, -0.31989, -0.65839, 1.95441, -0.29602, 0.18344, -1.22282, 2.03938
- ]
- },
- {
- "ct": 3000, "ccm":
- [
- 1.38736, 0.07714, -0.46451, -0.59691, 1.84335, -0.24644, 0.10092, -1.30441, 2.20349
- ]
- },
- {
- "ct": 3600, "ccm":
- [
- 1.51261, -0.27921, -0.23339, -0.55129, 1.83241, -0.28111, 0.11649, -0.93195, 1.81546
- ]
- },
- {
- "ct": 4600, "ccm":
- [
- 1.47082, -0.18523, -0.28559, -0.48923, 1.95126, -0.46203, 0.07951, -0.83987, 1.76036
- ]
- },
- {
- "ct": 5800, "ccm":
- [
- 1.57294, -0.36229, -0.21065, -0.42272, 1.80305, -0.38032, 0.03671, -0.66862, 1.63191
- ]
- },
- {
- "ct": 8100, "ccm":
- [
- 1.58803, -0.09912, -0.48891, -0.42594, 2.22303, -0.79709, -0.00621, -0.90516, 1.91137
- ]
- }
- ]
- },
- "rpi.sharpen":
- {
- "threshold": 2.0,
- "strength": 0.5,
- "limit": 0.5
- }
-}
diff --git a/src/ipa/raspberrypi/data/uncalibrated.json b/src/ipa/raspberrypi/data/uncalibrated.json
deleted file mode 100644
index 16a01e94..00000000
--- a/src/ipa/raspberrypi/data/uncalibrated.json
+++ /dev/null
@@ -1,82 +0,0 @@
-{
- "rpi.black_level":
- {
- "black_level": 4096
- },
- "rpi.awb":
- {
- "use_derivatives": 0,
- "bayes": 0
- },
- "rpi.agc":
- {
- "metering_modes":
- {
- "centre-weighted": {
- "weights": [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0]
- }
- },
- "exposure_modes":
- {
- "normal":
- {
- "shutter": [ 100, 15000, 30000, 60000, 120000 ],
- "gain": [ 1.0, 2.0, 3.0, 4.0, 6.0 ]
- }
- },
- "constraint_modes":
- {
- "normal":
- [
- { "bound": "LOWER", "q_lo": 0.98, "q_hi": 1.0, "y_target": [ 0, 0.4, 1000, 0.4 ] }
- ]
- },
- "y_target": [ 0, 0.16, 1000, 0.165, 10000, 0.17 ]
- },
- "rpi.ccm":
- {
- "ccms":
- [
- { "ct": 4000, "ccm": [ 2.0, -1.0, 0.0, -0.5, 2.0, -0.5, 0, -1.0, 2.0 ] }
- ]
- },
- "rpi.contrast":
- {
- "ce_enable": 0,
- "gamma_curve": [
- 0, 0,
- 1024, 5040,
- 2048, 9338,
- 3072, 12356,
- 4096, 15312,
- 5120, 18051,
- 6144, 20790,
- 7168, 23193,
- 8192, 25744,
- 9216, 27942,
- 10240, 30035,
- 11264, 32005,
- 12288, 33975,
- 13312, 35815,
- 14336, 37600,
- 15360, 39168,
- 16384, 40642,
- 18432, 43379,
- 20480, 45749,
- 22528, 47753,
- 24576, 49621,
- 26624, 51253,
- 28672, 52698,
- 30720, 53796,
- 32768, 54876,
- 36864, 57012,
- 40960, 58656,
- 45056, 59954,
- 49152, 61183,
- 53248, 62355,
- 57344, 63419,
- 61440, 64476,
- 65535, 65535
- ]
- }
-}
diff --git a/src/ipa/raspberrypi/md_parser_smia.cpp b/src/ipa/raspberrypi/md_parser_smia.cpp
deleted file mode 100644
index ea5eac41..00000000
--- a/src/ipa/raspberrypi/md_parser_smia.cpp
+++ /dev/null
@@ -1,149 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019-2021, Raspberry Pi (Trading) Limited
- *
- * md_parser_smia.cpp - SMIA specification based embedded data parser
- */
-
-#include <libcamera/base/log.h>
-#include "md_parser.hpp"
-
-using namespace RPiController;
-using namespace libcamera;
-
-/*
- * This function goes through the embedded data to find the offsets (not
- * values!), in the data block, where the values of the given registers can
- * subsequently be found.
- *
- * Embedded data tag bytes, from Sony IMX219 datasheet but general to all SMIA
- * sensors, I think.
- */
-
-constexpr unsigned int LINE_START = 0x0a;
-constexpr unsigned int LINE_END_TAG = 0x07;
-constexpr unsigned int REG_HI_BITS = 0xaa;
-constexpr unsigned int REG_LOW_BITS = 0xa5;
-constexpr unsigned int REG_VALUE = 0x5a;
-constexpr unsigned int REG_SKIP = 0x55;
-
-MdParserSmia::MdParserSmia(std::initializer_list<uint32_t> registerList)
-{
- for (auto r : registerList)
- offsets_[r] = {};
-}
-
-MdParser::Status MdParserSmia::Parse(libcamera::Span<const uint8_t> buffer,
- RegisterMap &registers)
-{
- if (reset_) {
- /*
- * Search again through the metadata for all the registers
- * requested.
- */
- ASSERT(bits_per_pixel_);
-
- for (const auto &kv : offsets_)
- offsets_[kv.first] = {};
-
- ParseStatus ret = findRegs(buffer);
- /*
- * > 0 means "worked partially but parse again next time",
- * < 0 means "hard error".
- *
- * In either case, we retry parsing on the next frame.
- */
- if (ret != PARSE_OK)
- return ERROR;
-
- reset_ = false;
- }
-
- /* Populate the register values requested. */
- registers.clear();
- for (const auto &[reg, offset] : offsets_) {
- if (!offset) {
- reset_ = true;
- return NOTFOUND;
- }
- registers[reg] = buffer[offset.value()];
- }
-
- return OK;
-}
-
-MdParserSmia::ParseStatus MdParserSmia::findRegs(libcamera::Span<const uint8_t> buffer)
-{
- ASSERT(offsets_.size());
-
- if (buffer[0] != LINE_START)
- return NO_LINE_START;
-
- unsigned int current_offset = 1; /* after the LINE_START */
- unsigned int current_line_start = 0, current_line = 0;
- unsigned int reg_num = 0, regs_done = 0;
-
- while (1) {
- int tag = buffer[current_offset++];
-
- if ((bits_per_pixel_ == 10 &&
- (current_offset + 1 - current_line_start) % 5 == 0) ||
- (bits_per_pixel_ == 12 &&
- (current_offset + 1 - current_line_start) % 3 == 0)) {
- if (buffer[current_offset++] != REG_SKIP)
- return BAD_DUMMY;
- }
-
- int data_byte = buffer[current_offset++];
-
- if (tag == LINE_END_TAG) {
- if (data_byte != LINE_END_TAG)
- return BAD_LINE_END;
-
- if (num_lines_ && ++current_line == num_lines_)
- return MISSING_REGS;
-
- if (line_length_bytes_) {
- current_offset = current_line_start + line_length_bytes_;
-
- /* Require whole line to be in the buffer (if buffer size set). */
- if (buffer.size() &&
- current_offset + line_length_bytes_ > buffer.size())
- return MISSING_REGS;
-
- if (buffer[current_offset] != LINE_START)
- return NO_LINE_START;
- } else {
- /* allow a zero line length to mean "hunt for the next line" */
- while (current_offset < buffer.size() &&
- buffer[current_offset] != LINE_START)
- current_offset++;
-
- if (current_offset == buffer.size())
- return NO_LINE_START;
- }
-
- /* inc current_offset to after LINE_START */
- current_line_start = current_offset++;
- } else {
- if (tag == REG_HI_BITS)
- reg_num = (reg_num & 0xff) | (data_byte << 8);
- else if (tag == REG_LOW_BITS)
- reg_num = (reg_num & 0xff00) | data_byte;
- else if (tag == REG_SKIP)
- reg_num++;
- else if (tag == REG_VALUE) {
- auto reg = offsets_.find(reg_num);
-
- if (reg != offsets_.end()) {
- offsets_[reg_num] = current_offset - 1;
-
- if (++regs_done == offsets_.size())
- return PARSE_OK;
- }
- reg_num++;
- } else
- return ILLEGAL_TAG;
- }
- }
-}
diff --git a/src/ipa/raspberrypi/meson.build b/src/ipa/raspberrypi/meson.build
deleted file mode 100644
index 32897e07..00000000
--- a/src/ipa/raspberrypi/meson.build
+++ /dev/null
@@ -1,66 +0,0 @@
-# SPDX-License-Identifier: CC0-1.0
-
-ipa_name = 'ipa_rpi'
-
-rpi_ipa_deps = [
- libcamera_private,
- dependency('boost'),
- libatomic,
-]
-
-rpi_ipa_includes = [
- ipa_includes,
- libipa_includes,
- include_directories('controller')
-]
-
-rpi_ipa_sources = files([
- 'raspberrypi.cpp',
- 'md_parser_smia.cpp',
- 'cam_helper.cpp',
- 'cam_helper_ov5647.cpp',
- 'cam_helper_imx219.cpp',
- 'cam_helper_imx290.cpp',
- 'cam_helper_imx296.cpp',
- 'cam_helper_imx477.cpp',
- 'cam_helper_imx519.cpp',
- 'cam_helper_ov9281.cpp',
- 'controller/controller.cpp',
- 'controller/histogram.cpp',
- 'controller/algorithm.cpp',
- 'controller/rpi/alsc.cpp',
- 'controller/rpi/awb.cpp',
- 'controller/rpi/sharpen.cpp',
- 'controller/rpi/black_level.cpp',
- 'controller/rpi/focus.cpp',
- 'controller/rpi/geq.cpp',
- 'controller/rpi/noise.cpp',
- 'controller/rpi/lux.cpp',
- 'controller/rpi/agc.cpp',
- 'controller/rpi/dpc.cpp',
- 'controller/rpi/ccm.cpp',
- 'controller/rpi/contrast.cpp',
- 'controller/rpi/sdn.cpp',
- 'controller/pwl.cpp',
- 'controller/device_status.cpp',
-])
-
-mod = shared_module(ipa_name,
- [rpi_ipa_sources, libcamera_generated_ipa_headers],
- name_prefix : '',
- include_directories : rpi_ipa_includes,
- dependencies : rpi_ipa_deps,
- link_with : libipa,
- install : true,
- install_dir : ipa_install_dir)
-
-if ipa_sign_module
- custom_target(ipa_name + '.so.sign',
- input : mod,
- output : ipa_name + '.so.sign',
- command : [ipa_sign, ipa_priv_key, '@INPUT@', '@OUTPUT@'],
- install : false,
- build_by_default : true)
-endif
-
-subdir('data')
diff --git a/src/ipa/raspberrypi/raspberrypi.cpp b/src/ipa/raspberrypi/raspberrypi.cpp
deleted file mode 100644
index f8d37b87..00000000
--- a/src/ipa/raspberrypi/raspberrypi.cpp
+++ /dev/null
@@ -1,1460 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019-2021, Raspberry Pi (Trading) Ltd.
- *
- * rpi.cpp - Raspberry Pi Image Processing Algorithms
- */
-
-#include <algorithm>
-#include <array>
-#include <fcntl.h>
-#include <math.h>
-#include <stdint.h>
-#include <string.h>
-#include <sys/mman.h>
-
-#include <linux/bcm2835-isp.h>
-
-#include <libcamera/base/log.h>
-#include <libcamera/base/shared_fd.h>
-#include <libcamera/base/span.h>
-
-#include <libcamera/control_ids.h>
-#include <libcamera/controls.h>
-#include <libcamera/framebuffer.h>
-#include <libcamera/ipa/ipa_interface.h>
-#include <libcamera/ipa/ipa_module_info.h>
-#include <libcamera/ipa/raspberrypi_ipa_interface.h>
-#include <libcamera/request.h>
-
-#include "libcamera/internal/mapped_framebuffer.h"
-
-#include "agc_algorithm.hpp"
-#include "agc_status.h"
-#include "alsc_status.h"
-#include "awb_algorithm.hpp"
-#include "awb_status.h"
-#include "black_level_status.h"
-#include "cam_helper.hpp"
-#include "ccm_algorithm.hpp"
-#include "ccm_status.h"
-#include "contrast_algorithm.hpp"
-#include "contrast_status.h"
-#include "controller.hpp"
-#include "denoise_algorithm.hpp"
-#include "denoise_status.h"
-#include "dpc_status.h"
-#include "focus_status.h"
-#include "geq_status.h"
-#include "lux_status.h"
-#include "metadata.hpp"
-#include "noise_status.h"
-#include "sharpen_algorithm.hpp"
-#include "sharpen_status.h"
-
-namespace libcamera {
-
-using namespace std::literals::chrono_literals;
-using utils::Duration;
-
-/* Configure the sensor with these values initially. */
-constexpr double defaultAnalogueGain = 1.0;
-constexpr Duration defaultExposureTime = 20.0ms;
-constexpr Duration defaultMinFrameDuration = 1.0s / 30.0;
-constexpr Duration defaultMaxFrameDuration = 250.0s;
-
-/*
- * Determine the minimum allowable inter-frame duration to run the controller
- * algorithms. If the pipeline handler provider frames at a rate higher than this,
- * we rate-limit the controller Prepare() and Process() calls to lower than or
- * equal to this rate.
- */
-constexpr Duration controllerMinFrameDuration = 1.0s / 30.0;
-
-/* List of controls handled by the Raspberry Pi IPA */
-static const ControlInfoMap::Map ipaControls{
- { &controls::AeEnable, ControlInfo(false, true) },
- { &controls::ExposureTime, ControlInfo(0, 66666) },
- { &controls::AnalogueGain, ControlInfo(1.0f, 16.0f) },
- { &controls::AeMeteringMode, ControlInfo(controls::AeMeteringModeValues) },
- { &controls::AeConstraintMode, ControlInfo(controls::AeConstraintModeValues) },
- { &controls::AeExposureMode, ControlInfo(controls::AeExposureModeValues) },
- { &controls::ExposureValue, ControlInfo(-8.0f, 8.0f, 0.0f) },
- { &controls::AwbEnable, ControlInfo(false, true) },
- { &controls::ColourGains, ControlInfo(0.0f, 32.0f) },
- { &controls::AwbMode, ControlInfo(controls::AwbModeValues) },
- { &controls::Brightness, ControlInfo(-1.0f, 1.0f, 0.0f) },
- { &controls::Contrast, ControlInfo(0.0f, 32.0f, 1.0f) },
- { &controls::Saturation, ControlInfo(0.0f, 32.0f, 1.0f) },
- { &controls::Sharpness, ControlInfo(0.0f, 16.0f, 1.0f) },
- { &controls::ColourCorrectionMatrix, ControlInfo(-16.0f, 16.0f) },
- { &controls::ScalerCrop, ControlInfo(Rectangle{}, Rectangle(65535, 65535, 65535, 65535), Rectangle{}) },
- { &controls::FrameDurationLimits, ControlInfo(INT64_C(33333), INT64_C(120000)) },
- { &controls::draft::NoiseReductionMode, ControlInfo(controls::draft::NoiseReductionModeValues) }
-};
-
-LOG_DEFINE_CATEGORY(IPARPI)
-
-namespace ipa::RPi {
-
-class IPARPi : public IPARPiInterface
-{
-public:
- IPARPi()
- : controller_(), frameCount_(0), checkCount_(0), mistrustCount_(0),
- lastRunTimestamp_(0), lsTable_(nullptr), firstStart_(true)
- {
- }
-
- ~IPARPi()
- {
- if (lsTable_)
- munmap(lsTable_, MaxLsGridSize);
- }
-
- int init(const IPASettings &settings, IPAInitResult *result) override;
- void start(const ControlList &controls, StartConfig *startConfig) override;
- void stop() override {}
-
- int configure(const IPACameraSensorInfo &sensorInfo,
- const std::map<unsigned int, IPAStream> &streamConfig,
- const std::map<unsigned int, ControlInfoMap> &entityControls,
- const IPAConfig &data,
- ControlList *controls, IPAConfigResult *result) override;
- void mapBuffers(const std::vector<IPABuffer> &buffers) override;
- void unmapBuffers(const std::vector<unsigned int> &ids) override;
- void signalStatReady(const uint32_t bufferId) override;
- void signalQueueRequest(const ControlList &controls) override;
- void signalIspPrepare(const ISPConfig &data) override;
-
-private:
- void setMode(const IPACameraSensorInfo &sensorInfo);
- bool validateSensorControls();
- bool validateIspControls();
- void queueRequest(const ControlList &controls);
- void returnEmbeddedBuffer(unsigned int bufferId);
- void prepareISP(const ISPConfig &data);
- void reportMetadata();
- void fillDeviceStatus(const ControlList &sensorControls);
- void processStats(unsigned int bufferId);
- void applyFrameDurations(Duration minFrameDuration, Duration maxFrameDuration);
- void applyAGC(const struct AgcStatus *agcStatus, ControlList &ctrls);
- void applyAWB(const struct AwbStatus *awbStatus, ControlList &ctrls);
- void applyDG(const struct AgcStatus *dgStatus, ControlList &ctrls);
- void applyCCM(const struct CcmStatus *ccmStatus, ControlList &ctrls);
- void applyBlackLevel(const struct BlackLevelStatus *blackLevelStatus, ControlList &ctrls);
- void applyGamma(const struct ContrastStatus *contrastStatus, ControlList &ctrls);
- void applyGEQ(const struct GeqStatus *geqStatus, ControlList &ctrls);
- void applyDenoise(const struct DenoiseStatus *denoiseStatus, ControlList &ctrls);
- void applySharpen(const struct SharpenStatus *sharpenStatus, ControlList &ctrls);
- void applyDPC(const struct DpcStatus *dpcStatus, ControlList &ctrls);
- void applyLS(const struct AlscStatus *lsStatus, ControlList &ctrls);
- void resampleTable(uint16_t dest[], double const src[12][16], int destW, int destH);
-
- std::map<unsigned int, MappedFrameBuffer> buffers_;
-
- ControlInfoMap sensorCtrls_;
- ControlInfoMap ispCtrls_;
- ControlList libcameraMetadata_;
-
- /* Camera sensor params. */
- CameraMode mode_;
-
- /* Raspberry Pi controller specific defines. */
- std::unique_ptr<RPiController::CamHelper> helper_;
- RPiController::Controller controller_;
- RPiController::Metadata rpiMetadata_;
-
- /*
- * We count frames to decide if the frame must be hidden (e.g. from
- * display) or mistrusted (i.e. not given to the control algos).
- */
- uint64_t frameCount_;
-
- /* For checking the sequencing of Prepare/Process calls. */
- uint64_t checkCount_;
-
- /* How many frames we should avoid running control algos on. */
- unsigned int mistrustCount_;
-
- /* Number of frames that need to be dropped on startup. */
- unsigned int dropFrameCount_;
-
- /* Frame timestamp for the last run of the controller. */
- uint64_t lastRunTimestamp_;
-
- /* Do we run a Controller::process() for this frame? */
- bool processPending_;
-
- /* LS table allocation passed in from the pipeline handler. */
- SharedFD lsTableHandle_;
- void *lsTable_;
-
- /* Distinguish the first camera start from others. */
- bool firstStart_;
-
- /* Frame duration (1/fps) limits. */
- Duration minFrameDuration_;
- Duration maxFrameDuration_;
-
- /* Maximum gain code for the sensor. */
- uint32_t maxSensorGainCode_;
-};
-
-int IPARPi::init(const IPASettings &settings, IPAInitResult *result)
-{
- /*
- * Load the "helper" for this sensor. This tells us all the device specific stuff
- * that the kernel driver doesn't. We only do this the first time; we don't need
- * to re-parse the metadata after a simple mode-switch for no reason.
- */
- helper_ = std::unique_ptr<RPiController::CamHelper>(RPiController::CamHelper::Create(settings.sensorModel));
- if (!helper_) {
- LOG(IPARPI, Error) << "Could not create camera helper for "
- << settings.sensorModel;
- return -EINVAL;
- }
-
- /*
- * Pass out the sensor config to the pipeline handler in order
- * to setup the staggered writer class.
- */
- int gainDelay, exposureDelay, vblankDelay, sensorMetadata;
- helper_->GetDelays(exposureDelay, gainDelay, vblankDelay);
- sensorMetadata = helper_->SensorEmbeddedDataPresent();
-
- result->sensorConfig.gainDelay = gainDelay;
- result->sensorConfig.exposureDelay = exposureDelay;
- result->sensorConfig.vblankDelay = vblankDelay;
- result->sensorConfig.sensorMetadata = sensorMetadata;
-
- /* Load the tuning file for this sensor. */
- controller_.Read(settings.configurationFile.c_str());
- controller_.Initialise();
-
- /* Return the controls handled by the IPA */
- ControlInfoMap::Map ctrlMap = ipaControls;
- result->controlInfo = ControlInfoMap(std::move(ctrlMap), controls::controls);
-
- return 0;
-}
-
-void IPARPi::start(const ControlList &controls, StartConfig *startConfig)
-{
- RPiController::Metadata metadata;
-
- ASSERT(startConfig);
- if (!controls.empty()) {
- /* We have been given some controls to action before start. */
- queueRequest(controls);
- }
-
- controller_.SwitchMode(mode_, &metadata);
-
- /* SwitchMode may supply updated exposure/gain values to use. */
- AgcStatus agcStatus;
- agcStatus.shutter_time = 0.0s;
- agcStatus.analogue_gain = 0.0;
-
- metadata.Get("agc.status", agcStatus);
- if (agcStatus.shutter_time && agcStatus.analogue_gain) {
- ControlList ctrls(sensorCtrls_);
- applyAGC(&agcStatus, ctrls);
- startConfig->controls = std::move(ctrls);
- }
-
- /*
- * Initialise frame counts, and decide how many frames must be hidden or
- * "mistrusted", which depends on whether this is a startup from cold,
- * or merely a mode switch in a running system.
- */
- frameCount_ = 0;
- checkCount_ = 0;
- if (firstStart_) {
- dropFrameCount_ = helper_->HideFramesStartup();
- mistrustCount_ = helper_->MistrustFramesStartup();
-
- /*
- * Query the AGC/AWB for how many frames they may take to
- * converge sufficiently. Where these numbers are non-zero
- * we must allow for the frames with bad statistics
- * (mistrustCount_) that they won't see. But if zero (i.e.
- * no convergence necessary), no frames need to be dropped.
- */
- unsigned int agcConvergenceFrames = 0;
- RPiController::AgcAlgorithm *agc = dynamic_cast<RPiController::AgcAlgorithm *>(
- controller_.GetAlgorithm("agc"));
- if (agc) {
- agcConvergenceFrames = agc->GetConvergenceFrames();
- if (agcConvergenceFrames)
- agcConvergenceFrames += mistrustCount_;
- }
-
- unsigned int awbConvergenceFrames = 0;
- RPiController::AwbAlgorithm *awb = dynamic_cast<RPiController::AwbAlgorithm *>(
- controller_.GetAlgorithm("awb"));
- if (awb) {
- awbConvergenceFrames = awb->GetConvergenceFrames();
- if (awbConvergenceFrames)
- awbConvergenceFrames += mistrustCount_;
- }
-
- dropFrameCount_ = std::max({ dropFrameCount_, agcConvergenceFrames, awbConvergenceFrames });
- LOG(IPARPI, Debug) << "Drop " << dropFrameCount_ << " frames on startup";
- } else {
- dropFrameCount_ = helper_->HideFramesModeSwitch();
- mistrustCount_ = helper_->MistrustFramesModeSwitch();
- }
-
- startConfig->dropFrameCount = dropFrameCount_;
- const Duration maxSensorFrameDuration = mode_.max_frame_length * mode_.line_length;
- startConfig->maxSensorFrameLengthMs = maxSensorFrameDuration.get<std::milli>();
-
- firstStart_ = false;
- lastRunTimestamp_ = 0;
-}
-
-void IPARPi::setMode(const IPACameraSensorInfo &sensorInfo)
-{
- mode_.bitdepth = sensorInfo.bitsPerPixel;
- mode_.width = sensorInfo.outputSize.width;
- mode_.height = sensorInfo.outputSize.height;
- mode_.sensor_width = sensorInfo.activeAreaSize.width;
- mode_.sensor_height = sensorInfo.activeAreaSize.height;
- mode_.crop_x = sensorInfo.analogCrop.x;
- mode_.crop_y = sensorInfo.analogCrop.y;
-
- /*
- * Calculate scaling parameters. The scale_[xy] factors are determined
- * by the ratio between the crop rectangle size and the output size.
- */
- mode_.scale_x = sensorInfo.analogCrop.width / sensorInfo.outputSize.width;
- mode_.scale_y = sensorInfo.analogCrop.height / sensorInfo.outputSize.height;
-
- /*
- * We're not told by the pipeline handler how scaling is split between
- * binning and digital scaling. For now, as a heuristic, assume that
- * downscaling up to 2 is achieved through binning, and that any
- * additional scaling is achieved through digital scaling.
- *
- * \todo Get the pipeline handle to provide the full data
- */
- mode_.bin_x = std::min(2, static_cast<int>(mode_.scale_x));
- mode_.bin_y = std::min(2, static_cast<int>(mode_.scale_y));
-
- /* The noise factor is the square root of the total binning factor. */
- mode_.noise_factor = sqrt(mode_.bin_x * mode_.bin_y);
-
- /*
- * Calculate the line length as the ratio between the line length in
- * pixels and the pixel rate.
- */
- mode_.line_length = sensorInfo.lineLength * (1.0s / sensorInfo.pixelRate);
-
- /*
- * Set the frame length limits for the mode to ensure exposure and
- * framerate calculations are clipped appropriately.
- */
- mode_.min_frame_length = sensorInfo.minFrameLength;
- mode_.max_frame_length = sensorInfo.maxFrameLength;
-
- /*
- * Some sensors may have different sensitivities in different modes;
- * the CamHelper will know the correct value.
- */
- mode_.sensitivity = helper_->GetModeSensitivity(mode_);
-}
-
-int IPARPi::configure(const IPACameraSensorInfo &sensorInfo,
- [[maybe_unused]] const std::map<unsigned int, IPAStream> &streamConfig,
- const std::map<unsigned int, ControlInfoMap> &entityControls,
- const IPAConfig &ipaConfig,
- ControlList *controls, IPAConfigResult *result)
-{
- if (entityControls.size() != 2) {
- LOG(IPARPI, Error) << "No ISP or sensor controls found.";
- return -1;
- }
-
- sensorCtrls_ = entityControls.at(0);
- ispCtrls_ = entityControls.at(1);
-
- if (!validateSensorControls()) {
- LOG(IPARPI, Error) << "Sensor control validation failed.";
- return -1;
- }
-
- if (!validateIspControls()) {
- LOG(IPARPI, Error) << "ISP control validation failed.";
- return -1;
- }
-
- maxSensorGainCode_ = sensorCtrls_.at(V4L2_CID_ANALOGUE_GAIN).max().get<int32_t>();
-
- /* Setup a metadata ControlList to output metadata. */
- libcameraMetadata_ = ControlList(controls::controls);
-
- /* Re-assemble camera mode using the sensor info. */
- setMode(sensorInfo);
-
- mode_.transform = static_cast<libcamera::Transform>(ipaConfig.transform);
-
- /* Store the lens shading table pointer and handle if available. */
- if (ipaConfig.lsTableHandle.isValid()) {
- /* Remove any previous table, if there was one. */
- if (lsTable_) {
- munmap(lsTable_, MaxLsGridSize);
- lsTable_ = nullptr;
- }
-
- /* Map the LS table buffer into user space. */
- lsTableHandle_ = std::move(ipaConfig.lsTableHandle);
- if (lsTableHandle_.isValid()) {
- lsTable_ = mmap(nullptr, MaxLsGridSize, PROT_READ | PROT_WRITE,
- MAP_SHARED, lsTableHandle_.get(), 0);
-
- if (lsTable_ == MAP_FAILED) {
- LOG(IPARPI, Error) << "dmaHeap mmap failure for LS table.";
- lsTable_ = nullptr;
- }
- }
- }
-
- /* Pass the camera mode to the CamHelper to setup algorithms. */
- helper_->SetCameraMode(mode_);
-
- /*
- * Initialise this ControlList correctly, even if empty, in case the IPA is
- * running is isolation mode (passing the ControlList through the IPC layer).
- */
- ControlList ctrls(sensorCtrls_);
-
- /* The pipeline handler passes out the mode's sensitivity. */
- result->modeSensitivity = mode_.sensitivity;
-
- if (firstStart_) {
- /* Supply initial values for frame durations. */
- applyFrameDurations(defaultMinFrameDuration, defaultMaxFrameDuration);
-
- /* Supply initial values for gain and exposure. */
- AgcStatus agcStatus;
- agcStatus.shutter_time = defaultExposureTime;
- agcStatus.analogue_gain = defaultAnalogueGain;
- applyAGC(&agcStatus, ctrls);
- }
-
- ASSERT(controls);
- *controls = std::move(ctrls);
-
- /*
- * Apply the correct limits to the exposure, gain and frame duration controls
- * based on the current sensor mode.
- */
- ControlInfoMap::Map ctrlMap = ipaControls;
- const Duration minSensorFrameDuration = mode_.min_frame_length * mode_.line_length;
- const Duration maxSensorFrameDuration = mode_.max_frame_length * mode_.line_length;
- ctrlMap[&controls::FrameDurationLimits] =
- ControlInfo(static_cast<int64_t>(minSensorFrameDuration.get<std::micro>()),
- static_cast<int64_t>(maxSensorFrameDuration.get<std::micro>()));
-
- ctrlMap[&controls::AnalogueGain] =
- ControlInfo(1.0f, static_cast<float>(helper_->Gain(maxSensorGainCode_)));
-
- /*
- * Calculate the max exposure limit from the frame duration limit as V4L2
- * will limit the maximum control value based on the current VBLANK value.
- */
- Duration maxShutter = Duration::max();
- helper_->GetVBlanking(maxShutter, minSensorFrameDuration, maxSensorFrameDuration);
- const uint32_t exposureMin = sensorCtrls_.at(V4L2_CID_EXPOSURE).min().get<int32_t>();
-
- ctrlMap[&controls::ExposureTime] =
- ControlInfo(static_cast<int32_t>(helper_->Exposure(exposureMin).get<std::micro>()),
- static_cast<int32_t>(maxShutter.get<std::micro>()));
-
- result->controlInfo = ControlInfoMap(std::move(ctrlMap), controls::controls);
- return 0;
-}
-
-void IPARPi::mapBuffers(const std::vector<IPABuffer> &buffers)
-{
- for (const IPABuffer &buffer : buffers) {
- const FrameBuffer fb(buffer.planes);
- buffers_.emplace(buffer.id,
- MappedFrameBuffer(&fb, MappedFrameBuffer::MapFlag::ReadWrite));
- }
-}
-
-void IPARPi::unmapBuffers(const std::vector<unsigned int> &ids)
-{
- for (unsigned int id : ids) {
- auto it = buffers_.find(id);
- if (it == buffers_.end())
- continue;
-
- buffers_.erase(id);
- }
-}
-
-void IPARPi::signalStatReady(uint32_t bufferId)
-{
- if (++checkCount_ != frameCount_) /* assert here? */
- LOG(IPARPI, Error) << "WARNING: Prepare/Process mismatch!!!";
- if (processPending_ && frameCount_ > mistrustCount_)
- processStats(bufferId);
-
- reportMetadata();
-
- statsMetadataComplete.emit(bufferId & MaskID, libcameraMetadata_);
-}
-
-void IPARPi::signalQueueRequest(const ControlList &controls)
-{
- queueRequest(controls);
-}
-
-void IPARPi::signalIspPrepare(const ISPConfig &data)
-{
- /*
- * At start-up, or after a mode-switch, we may want to
- * avoid running the control algos for a few frames in case
- * they are "unreliable".
- */
- prepareISP(data);
- frameCount_++;
-
- /* Ready to push the input buffer into the ISP. */
- runIsp.emit(data.bayerBufferId & MaskID);
-}
-
-void IPARPi::reportMetadata()
-{
- std::unique_lock<RPiController::Metadata> lock(rpiMetadata_);
-
- /*
- * Certain information about the current frame and how it will be
- * processed can be extracted and placed into the libcamera metadata
- * buffer, where an application could query it.
- */
- DeviceStatus *deviceStatus = rpiMetadata_.GetLocked<DeviceStatus>("device.status");
- if (deviceStatus) {
- libcameraMetadata_.set(controls::ExposureTime,
- deviceStatus->shutter_speed.get<std::micro>());
- libcameraMetadata_.set(controls::AnalogueGain, deviceStatus->analogue_gain);
- libcameraMetadata_.set(controls::FrameDuration,
- helper_->Exposure(deviceStatus->frame_length).get<std::micro>());
- if (deviceStatus->sensor_temperature)
- libcameraMetadata_.set(controls::SensorTemperature, *deviceStatus->sensor_temperature);
- }
-
- AgcStatus *agcStatus = rpiMetadata_.GetLocked<AgcStatus>("agc.status");
- if (agcStatus) {
- libcameraMetadata_.set(controls::AeLocked, agcStatus->locked);
- libcameraMetadata_.set(controls::DigitalGain, agcStatus->digital_gain);
- }
-
- LuxStatus *luxStatus = rpiMetadata_.GetLocked<LuxStatus>("lux.status");
- if (luxStatus)
- libcameraMetadata_.set(controls::Lux, luxStatus->lux);
-
- AwbStatus *awbStatus = rpiMetadata_.GetLocked<AwbStatus>("awb.status");
- if (awbStatus) {
- libcameraMetadata_.set(controls::ColourGains, { static_cast<float>(awbStatus->gain_r),
- static_cast<float>(awbStatus->gain_b) });
- libcameraMetadata_.set(controls::ColourTemperature, awbStatus->temperature_K);
- }
-
- BlackLevelStatus *blackLevelStatus = rpiMetadata_.GetLocked<BlackLevelStatus>("black_level.status");
- if (blackLevelStatus)
- libcameraMetadata_.set(controls::SensorBlackLevels,
- { static_cast<int32_t>(blackLevelStatus->black_level_r),
- static_cast<int32_t>(blackLevelStatus->black_level_g),
- static_cast<int32_t>(blackLevelStatus->black_level_g),
- static_cast<int32_t>(blackLevelStatus->black_level_b) });
-
- FocusStatus *focusStatus = rpiMetadata_.GetLocked<FocusStatus>("focus.status");
- if (focusStatus && focusStatus->num == 12) {
- /*
- * We get a 4x3 grid of regions by default. Calculate the average
- * FoM over the central two positions to give an overall scene FoM.
- * This can change later if it is not deemed suitable.
- */
- int32_t focusFoM = (focusStatus->focus_measures[5] + focusStatus->focus_measures[6]) / 2;
- libcameraMetadata_.set(controls::FocusFoM, focusFoM);
- }
-
- CcmStatus *ccmStatus = rpiMetadata_.GetLocked<CcmStatus>("ccm.status");
- if (ccmStatus) {
- float m[9];
- for (unsigned int i = 0; i < 9; i++)
- m[i] = ccmStatus->matrix[i];
- libcameraMetadata_.set(controls::ColourCorrectionMatrix, m);
- }
-}
-
-bool IPARPi::validateSensorControls()
-{
- static const uint32_t ctrls[] = {
- V4L2_CID_ANALOGUE_GAIN,
- V4L2_CID_EXPOSURE,
- V4L2_CID_VBLANK,
- };
-
- for (auto c : ctrls) {
- if (sensorCtrls_.find(c) == sensorCtrls_.end()) {
- LOG(IPARPI, Error) << "Unable to find sensor control "
- << utils::hex(c);
- return false;
- }
- }
-
- return true;
-}
-
-bool IPARPi::validateIspControls()
-{
- static const uint32_t ctrls[] = {
- V4L2_CID_RED_BALANCE,
- V4L2_CID_BLUE_BALANCE,
- V4L2_CID_DIGITAL_GAIN,
- V4L2_CID_USER_BCM2835_ISP_CC_MATRIX,
- V4L2_CID_USER_BCM2835_ISP_GAMMA,
- V4L2_CID_USER_BCM2835_ISP_BLACK_LEVEL,
- V4L2_CID_USER_BCM2835_ISP_GEQ,
- V4L2_CID_USER_BCM2835_ISP_DENOISE,
- V4L2_CID_USER_BCM2835_ISP_SHARPEN,
- V4L2_CID_USER_BCM2835_ISP_DPC,
- V4L2_CID_USER_BCM2835_ISP_LENS_SHADING,
- V4L2_CID_USER_BCM2835_ISP_CDN,
- };
-
- for (auto c : ctrls) {
- if (ispCtrls_.find(c) == ispCtrls_.end()) {
- LOG(IPARPI, Error) << "Unable to find ISP control "
- << utils::hex(c);
- return false;
- }
- }
-
- return true;
-}
-
-/*
- * Converting between enums (used in the libcamera API) and the names that
- * we use to identify different modes. Unfortunately, the conversion tables
- * must be kept up-to-date by hand.
- */
-static const std::map<int32_t, std::string> MeteringModeTable = {
- { controls::MeteringCentreWeighted, "centre-weighted" },
- { controls::MeteringSpot, "spot" },
- { controls::MeteringMatrix, "matrix" },
- { controls::MeteringCustom, "custom" },
-};
-
-static const std::map<int32_t, std::string> ConstraintModeTable = {
- { controls::ConstraintNormal, "normal" },
- { controls::ConstraintHighlight, "highlight" },
- { controls::ConstraintCustom, "custom" },
-};
-
-static const std::map<int32_t, std::string> ExposureModeTable = {
- { controls::ExposureNormal, "normal" },
- { controls::ExposureShort, "short" },
- { controls::ExposureLong, "long" },
- { controls::ExposureCustom, "custom" },
-};
-
-static const std::map<int32_t, std::string> AwbModeTable = {
- { controls::AwbAuto, "auto" },
- { controls::AwbIncandescent, "incandescent" },
- { controls::AwbTungsten, "tungsten" },
- { controls::AwbFluorescent, "fluorescent" },
- { controls::AwbIndoor, "indoor" },
- { controls::AwbDaylight, "daylight" },
- { controls::AwbCloudy, "cloudy" },
- { controls::AwbCustom, "custom" },
-};
-
-static const std::map<int32_t, RPiController::DenoiseMode> DenoiseModeTable = {
- { controls::draft::NoiseReductionModeOff, RPiController::DenoiseMode::Off },
- { controls::draft::NoiseReductionModeFast, RPiController::DenoiseMode::ColourFast },
- { controls::draft::NoiseReductionModeHighQuality, RPiController::DenoiseMode::ColourHighQuality },
- { controls::draft::NoiseReductionModeMinimal, RPiController::DenoiseMode::ColourOff },
- { controls::draft::NoiseReductionModeZSL, RPiController::DenoiseMode::ColourHighQuality },
-};
-
-void IPARPi::queueRequest(const ControlList &controls)
-{
- /* Clear the return metadata buffer. */
- libcameraMetadata_.clear();
-
- for (auto const &ctrl : controls) {
- LOG(IPARPI, Debug) << "Request ctrl: "
- << controls::controls.at(ctrl.first)->name()
- << " = " << ctrl.second.toString();
-
- switch (ctrl.first) {
- case controls::AE_ENABLE: {
- RPiController::Algorithm *agc = controller_.GetAlgorithm("agc");
- if (!agc) {
- LOG(IPARPI, Warning)
- << "Could not set AE_ENABLE - no AGC algorithm";
- break;
- }
-
- if (ctrl.second.get<bool>() == false)
- agc->Pause();
- else
- agc->Resume();
-
- libcameraMetadata_.set(controls::AeEnable, ctrl.second.get<bool>());
- break;
- }
-
- case controls::EXPOSURE_TIME: {
- RPiController::AgcAlgorithm *agc = dynamic_cast<RPiController::AgcAlgorithm *>(
- controller_.GetAlgorithm("agc"));
- if (!agc) {
- LOG(IPARPI, Warning)
- << "Could not set EXPOSURE_TIME - no AGC algorithm";
- break;
- }
-
- /* The control provides units of microseconds. */
- agc->SetFixedShutter(ctrl.second.get<int32_t>() * 1.0us);
-
- libcameraMetadata_.set(controls::ExposureTime, ctrl.second.get<int32_t>());
- break;
- }
-
- case controls::ANALOGUE_GAIN: {
- RPiController::AgcAlgorithm *agc = dynamic_cast<RPiController::AgcAlgorithm *>(
- controller_.GetAlgorithm("agc"));
- if (!agc) {
- LOG(IPARPI, Warning)
- << "Could not set ANALOGUE_GAIN - no AGC algorithm";
- break;
- }
-
- agc->SetFixedAnalogueGain(ctrl.second.get<float>());
-
- libcameraMetadata_.set(controls::AnalogueGain,
- ctrl.second.get<float>());
- break;
- }
-
- case controls::AE_METERING_MODE: {
- RPiController::AgcAlgorithm *agc = dynamic_cast<RPiController::AgcAlgorithm *>(
- controller_.GetAlgorithm("agc"));
- if (!agc) {
- LOG(IPARPI, Warning)
- << "Could not set AE_METERING_MODE - no AGC algorithm";
- break;
- }
-
- int32_t idx = ctrl.second.get<int32_t>();
- if (MeteringModeTable.count(idx)) {
- agc->SetMeteringMode(MeteringModeTable.at(idx));
- libcameraMetadata_.set(controls::AeMeteringMode, idx);
- } else {
- LOG(IPARPI, Error) << "Metering mode " << idx
- << " not recognised";
- }
- break;
- }
-
- case controls::AE_CONSTRAINT_MODE: {
- RPiController::AgcAlgorithm *agc = dynamic_cast<RPiController::AgcAlgorithm *>(
- controller_.GetAlgorithm("agc"));
- if (!agc) {
- LOG(IPARPI, Warning)
- << "Could not set AE_CONSTRAINT_MODE - no AGC algorithm";
- break;
- }
-
- int32_t idx = ctrl.second.get<int32_t>();
- if (ConstraintModeTable.count(idx)) {
- agc->SetConstraintMode(ConstraintModeTable.at(idx));
- libcameraMetadata_.set(controls::AeConstraintMode, idx);
- } else {
- LOG(IPARPI, Error) << "Constraint mode " << idx
- << " not recognised";
- }
- break;
- }
-
- case controls::AE_EXPOSURE_MODE: {
- RPiController::AgcAlgorithm *agc = dynamic_cast<RPiController::AgcAlgorithm *>(
- controller_.GetAlgorithm("agc"));
- if (!agc) {
- LOG(IPARPI, Warning)
- << "Could not set AE_EXPOSURE_MODE - no AGC algorithm";
- break;
- }
-
- int32_t idx = ctrl.second.get<int32_t>();
- if (ExposureModeTable.count(idx)) {
- agc->SetExposureMode(ExposureModeTable.at(idx));
- libcameraMetadata_.set(controls::AeExposureMode, idx);
- } else {
- LOG(IPARPI, Error) << "Exposure mode " << idx
- << " not recognised";
- }
- break;
- }
-
- case controls::EXPOSURE_VALUE: {
- RPiController::AgcAlgorithm *agc = dynamic_cast<RPiController::AgcAlgorithm *>(
- controller_.GetAlgorithm("agc"));
- if (!agc) {
- LOG(IPARPI, Warning)
- << "Could not set EXPOSURE_VALUE - no AGC algorithm";
- break;
- }
-
- /*
- * The SetEv() function takes in a direct exposure multiplier.
- * So convert to 2^EV
- */
- double ev = pow(2.0, ctrl.second.get<float>());
- agc->SetEv(ev);
- libcameraMetadata_.set(controls::ExposureValue,
- ctrl.second.get<float>());
- break;
- }
-
- case controls::AWB_ENABLE: {
- RPiController::Algorithm *awb = controller_.GetAlgorithm("awb");
- if (!awb) {
- LOG(IPARPI, Warning)
- << "Could not set AWB_ENABLE - no AWB algorithm";
- break;
- }
-
- if (ctrl.second.get<bool>() == false)
- awb->Pause();
- else
- awb->Resume();
-
- libcameraMetadata_.set(controls::AwbEnable,
- ctrl.second.get<bool>());
- break;
- }
-
- case controls::AWB_MODE: {
- RPiController::AwbAlgorithm *awb = dynamic_cast<RPiController::AwbAlgorithm *>(
- controller_.GetAlgorithm("awb"));
- if (!awb) {
- LOG(IPARPI, Warning)
- << "Could not set AWB_MODE - no AWB algorithm";
- break;
- }
-
- int32_t idx = ctrl.second.get<int32_t>();
- if (AwbModeTable.count(idx)) {
- awb->SetMode(AwbModeTable.at(idx));
- libcameraMetadata_.set(controls::AwbMode, idx);
- } else {
- LOG(IPARPI, Error) << "AWB mode " << idx
- << " not recognised";
- }
- break;
- }
-
- case controls::COLOUR_GAINS: {
- auto gains = ctrl.second.get<Span<const float>>();
- RPiController::AwbAlgorithm *awb = dynamic_cast<RPiController::AwbAlgorithm *>(
- controller_.GetAlgorithm("awb"));
- if (!awb) {
- LOG(IPARPI, Warning)
- << "Could not set COLOUR_GAINS - no AWB algorithm";
- break;
- }
-
- awb->SetManualGains(gains[0], gains[1]);
- if (gains[0] != 0.0f && gains[1] != 0.0f)
- /* A gain of 0.0f will switch back to auto mode. */
- libcameraMetadata_.set(controls::ColourGains,
- { gains[0], gains[1] });
- break;
- }
-
- case controls::BRIGHTNESS: {
- RPiController::ContrastAlgorithm *contrast = dynamic_cast<RPiController::ContrastAlgorithm *>(
- controller_.GetAlgorithm("contrast"));
- if (!contrast) {
- LOG(IPARPI, Warning)
- << "Could not set BRIGHTNESS - no contrast algorithm";
- break;
- }
-
- contrast->SetBrightness(ctrl.second.get<float>() * 65536);
- libcameraMetadata_.set(controls::Brightness,
- ctrl.second.get<float>());
- break;
- }
-
- case controls::CONTRAST: {
- RPiController::ContrastAlgorithm *contrast = dynamic_cast<RPiController::ContrastAlgorithm *>(
- controller_.GetAlgorithm("contrast"));
- if (!contrast) {
- LOG(IPARPI, Warning)
- << "Could not set CONTRAST - no contrast algorithm";
- break;
- }
-
- contrast->SetContrast(ctrl.second.get<float>());
- libcameraMetadata_.set(controls::Contrast,
- ctrl.second.get<float>());
- break;
- }
-
- case controls::SATURATION: {
- RPiController::CcmAlgorithm *ccm = dynamic_cast<RPiController::CcmAlgorithm *>(
- controller_.GetAlgorithm("ccm"));
- if (!ccm) {
- LOG(IPARPI, Warning)
- << "Could not set SATURATION - no ccm algorithm";
- break;
- }
-
- ccm->SetSaturation(ctrl.second.get<float>());
- libcameraMetadata_.set(controls::Saturation,
- ctrl.second.get<float>());
- break;
- }
-
- case controls::SHARPNESS: {
- RPiController::SharpenAlgorithm *sharpen = dynamic_cast<RPiController::SharpenAlgorithm *>(
- controller_.GetAlgorithm("sharpen"));
- if (!sharpen) {
- LOG(IPARPI, Warning)
- << "Could not set SHARPNESS - no sharpen algorithm";
- break;
- }
-
- sharpen->SetStrength(ctrl.second.get<float>());
- libcameraMetadata_.set(controls::Sharpness,
- ctrl.second.get<float>());
- break;
- }
-
- case controls::SCALER_CROP: {
- /* We do nothing with this, but should avoid the warning below. */
- break;
- }
-
- case controls::FRAME_DURATION_LIMITS: {
- auto frameDurations = ctrl.second.get<Span<const int64_t>>();
- applyFrameDurations(frameDurations[0] * 1.0us, frameDurations[1] * 1.0us);
- break;
- }
-
- case controls::NOISE_REDUCTION_MODE: {
- RPiController::DenoiseAlgorithm *sdn = dynamic_cast<RPiController::DenoiseAlgorithm *>(
- controller_.GetAlgorithm("SDN"));
- if (!sdn) {
- LOG(IPARPI, Warning)
- << "Could not set NOISE_REDUCTION_MODE - no SDN algorithm";
- break;
- }
-
- int32_t idx = ctrl.second.get<int32_t>();
- auto mode = DenoiseModeTable.find(idx);
- if (mode != DenoiseModeTable.end()) {
- sdn->SetMode(mode->second);
-
- /*
- * \todo If the colour denoise is not going to run due to an
- * analysis image resolution or format mismatch, we should
- * report the status correctly in the metadata.
- */
- libcameraMetadata_.set(controls::draft::NoiseReductionMode, idx);
- } else {
- LOG(IPARPI, Error) << "Noise reduction mode " << idx
- << " not recognised";
- }
- break;
- }
-
- default:
- LOG(IPARPI, Warning)
- << "Ctrl " << controls::controls.at(ctrl.first)->name()
- << " is not handled.";
- break;
- }
- }
-}
-
-void IPARPi::returnEmbeddedBuffer(unsigned int bufferId)
-{
- embeddedComplete.emit(bufferId & MaskID);
-}
-
-void IPARPi::prepareISP(const ISPConfig &data)
-{
- int64_t frameTimestamp = data.controls.get(controls::SensorTimestamp);
- RPiController::Metadata lastMetadata;
- Span<uint8_t> embeddedBuffer;
-
- lastMetadata = std::move(rpiMetadata_);
- fillDeviceStatus(data.controls);
-
- if (data.embeddedBufferPresent) {
- /*
- * Pipeline handler has supplied us with an embedded data buffer,
- * we must pass it to the CamHelper for parsing.
- */
- auto it = buffers_.find(data.embeddedBufferId);
- ASSERT(it != buffers_.end());
- embeddedBuffer = it->second.planes()[0];
- }
-
- /*
- * This may overwrite the DeviceStatus using values from the sensor
- * metadata, and may also do additional custom processing.
- */
- helper_->Prepare(embeddedBuffer, rpiMetadata_);
-
- /* Done with embedded data now, return to pipeline handler asap. */
- if (data.embeddedBufferPresent)
- returnEmbeddedBuffer(data.embeddedBufferId);
-
- /* Allow a 10% margin on the comparison below. */
- Duration delta = (frameTimestamp - lastRunTimestamp_) * 1.0ns;
- if (lastRunTimestamp_ && frameCount_ > dropFrameCount_ &&
- delta < controllerMinFrameDuration * 0.9) {
- /*
- * Ensure we merge the previous frame's metadata with the current
- * frame. This will not overwrite exposure/gain values for the
- * current frame, or any other bits of metadata that were added
- * in helper_->Prepare().
- */
- rpiMetadata_.Merge(lastMetadata);
- processPending_ = false;
- return;
- }
-
- lastRunTimestamp_ = frameTimestamp;
- processPending_ = true;
-
- ControlList ctrls(ispCtrls_);
-
- controller_.Prepare(&rpiMetadata_);
-
- /* Lock the metadata buffer to avoid constant locks/unlocks. */
- std::unique_lock<RPiController::Metadata> lock(rpiMetadata_);
-
- AwbStatus *awbStatus = rpiMetadata_.GetLocked<AwbStatus>("awb.status");
- if (awbStatus)
- applyAWB(awbStatus, ctrls);
-
- CcmStatus *ccmStatus = rpiMetadata_.GetLocked<CcmStatus>("ccm.status");
- if (ccmStatus)
- applyCCM(ccmStatus, ctrls);
-
- AgcStatus *dgStatus = rpiMetadata_.GetLocked<AgcStatus>("agc.status");
- if (dgStatus)
- applyDG(dgStatus, ctrls);
-
- AlscStatus *lsStatus = rpiMetadata_.GetLocked<AlscStatus>("alsc.status");
- if (lsStatus)
- applyLS(lsStatus, ctrls);
-
- ContrastStatus *contrastStatus = rpiMetadata_.GetLocked<ContrastStatus>("contrast.status");
- if (contrastStatus)
- applyGamma(contrastStatus, ctrls);
-
- BlackLevelStatus *blackLevelStatus = rpiMetadata_.GetLocked<BlackLevelStatus>("black_level.status");
- if (blackLevelStatus)
- applyBlackLevel(blackLevelStatus, ctrls);
-
- GeqStatus *geqStatus = rpiMetadata_.GetLocked<GeqStatus>("geq.status");
- if (geqStatus)
- applyGEQ(geqStatus, ctrls);
-
- DenoiseStatus *denoiseStatus = rpiMetadata_.GetLocked<DenoiseStatus>("denoise.status");
- if (denoiseStatus)
- applyDenoise(denoiseStatus, ctrls);
-
- SharpenStatus *sharpenStatus = rpiMetadata_.GetLocked<SharpenStatus>("sharpen.status");
- if (sharpenStatus)
- applySharpen(sharpenStatus, ctrls);
-
- DpcStatus *dpcStatus = rpiMetadata_.GetLocked<DpcStatus>("dpc.status");
- if (dpcStatus)
- applyDPC(dpcStatus, ctrls);
-
- if (!ctrls.empty())
- setIspControls.emit(ctrls);
-}
-
-void IPARPi::fillDeviceStatus(const ControlList &sensorControls)
-{
- DeviceStatus deviceStatus = {};
-
- int32_t exposureLines = sensorControls.get(V4L2_CID_EXPOSURE).get<int32_t>();
- int32_t gainCode = sensorControls.get(V4L2_CID_ANALOGUE_GAIN).get<int32_t>();
- int32_t vblank = sensorControls.get(V4L2_CID_VBLANK).get<int32_t>();
-
- deviceStatus.shutter_speed = helper_->Exposure(exposureLines);
- deviceStatus.analogue_gain = helper_->Gain(gainCode);
- deviceStatus.frame_length = mode_.height + vblank;
-
- LOG(IPARPI, Debug) << "Metadata - " << deviceStatus;
-
- rpiMetadata_.Set("device.status", deviceStatus);
-}
-
-void IPARPi::processStats(unsigned int bufferId)
-{
- auto it = buffers_.find(bufferId);
- if (it == buffers_.end()) {
- LOG(IPARPI, Error) << "Could not find stats buffer!";
- return;
- }
-
- Span<uint8_t> mem = it->second.planes()[0];
- bcm2835_isp_stats *stats = reinterpret_cast<bcm2835_isp_stats *>(mem.data());
- RPiController::StatisticsPtr statistics = std::make_shared<bcm2835_isp_stats>(*stats);
- helper_->Process(statistics, rpiMetadata_);
- controller_.Process(statistics, &rpiMetadata_);
-
- struct AgcStatus agcStatus;
- if (rpiMetadata_.Get("agc.status", agcStatus) == 0) {
- ControlList ctrls(sensorCtrls_);
- applyAGC(&agcStatus, ctrls);
-
- setDelayedControls.emit(ctrls);
- }
-}
-
-void IPARPi::applyAWB(const struct AwbStatus *awbStatus, ControlList &ctrls)
-{
- LOG(IPARPI, Debug) << "Applying WB R: " << awbStatus->gain_r << " B: "
- << awbStatus->gain_b;
-
- ctrls.set(V4L2_CID_RED_BALANCE,
- static_cast<int32_t>(awbStatus->gain_r * 1000));
- ctrls.set(V4L2_CID_BLUE_BALANCE,
- static_cast<int32_t>(awbStatus->gain_b * 1000));
-}
-
-void IPARPi::applyFrameDurations(Duration minFrameDuration, Duration maxFrameDuration)
-{
- const Duration minSensorFrameDuration = mode_.min_frame_length * mode_.line_length;
- const Duration maxSensorFrameDuration = mode_.max_frame_length * mode_.line_length;
-
- /*
- * This will only be applied once AGC recalculations occur.
- * The values may be clamped based on the sensor mode capabilities as well.
- */
- minFrameDuration_ = minFrameDuration ? minFrameDuration : defaultMaxFrameDuration;
- maxFrameDuration_ = maxFrameDuration ? maxFrameDuration : defaultMinFrameDuration;
- minFrameDuration_ = std::clamp(minFrameDuration_,
- minSensorFrameDuration, maxSensorFrameDuration);
- maxFrameDuration_ = std::clamp(maxFrameDuration_,
- minSensorFrameDuration, maxSensorFrameDuration);
- maxFrameDuration_ = std::max(maxFrameDuration_, minFrameDuration_);
-
- /* Return the validated limits via metadata. */
- libcameraMetadata_.set(controls::FrameDurationLimits,
- { static_cast<int64_t>(minFrameDuration_.get<std::micro>()),
- static_cast<int64_t>(maxFrameDuration_.get<std::micro>()) });
-
- /*
- * Calculate the maximum exposure time possible for the AGC to use.
- * GetVBlanking() will update maxShutter with the largest exposure
- * value possible.
- */
- Duration maxShutter = Duration::max();
- helper_->GetVBlanking(maxShutter, minFrameDuration_, maxFrameDuration_);
-
- RPiController::AgcAlgorithm *agc = dynamic_cast<RPiController::AgcAlgorithm *>(
- controller_.GetAlgorithm("agc"));
- agc->SetMaxShutter(maxShutter);
-}
-
-void IPARPi::applyAGC(const struct AgcStatus *agcStatus, ControlList &ctrls)
-{
- int32_t gainCode = helper_->GainCode(agcStatus->analogue_gain);
-
- /*
- * Ensure anything larger than the max gain code will not be passed to
- * DelayedControls. The AGC will correctly handle a lower gain returned
- * by the sensor, provided it knows the actual gain used.
- */
- gainCode = std::min<int32_t>(gainCode, maxSensorGainCode_);
-
- /* GetVBlanking might clip exposure time to the fps limits. */
- Duration exposure = agcStatus->shutter_time;
- int32_t vblanking = helper_->GetVBlanking(exposure, minFrameDuration_, maxFrameDuration_);
- int32_t exposureLines = helper_->ExposureLines(exposure);
-
- LOG(IPARPI, Debug) << "Applying AGC Exposure: " << exposure
- << " (Shutter lines: " << exposureLines << ", AGC requested "
- << agcStatus->shutter_time << ") Gain: "
- << agcStatus->analogue_gain << " (Gain Code: "
- << gainCode << ")";
-
- /*
- * Due to the behavior of V4L2, the current value of VBLANK could clip the
- * exposure time without us knowing. The next time though this function should
- * clip exposure correctly.
- */
- ctrls.set(V4L2_CID_VBLANK, vblanking);
- ctrls.set(V4L2_CID_EXPOSURE, exposureLines);
- ctrls.set(V4L2_CID_ANALOGUE_GAIN, gainCode);
-}
-
-void IPARPi::applyDG(const struct AgcStatus *dgStatus, ControlList &ctrls)
-{
- ctrls.set(V4L2_CID_DIGITAL_GAIN,
- static_cast<int32_t>(dgStatus->digital_gain * 1000));
-}
-
-void IPARPi::applyCCM(const struct CcmStatus *ccmStatus, ControlList &ctrls)
-{
- bcm2835_isp_custom_ccm ccm;
-
- for (int i = 0; i < 9; i++) {
- ccm.ccm.ccm[i / 3][i % 3].den = 1000;
- ccm.ccm.ccm[i / 3][i % 3].num = 1000 * ccmStatus->matrix[i];
- }
-
- ccm.enabled = 1;
- ccm.ccm.offsets[0] = ccm.ccm.offsets[1] = ccm.ccm.offsets[2] = 0;
-
- ControlValue c(Span<const uint8_t>{ reinterpret_cast<uint8_t *>(&ccm),
- sizeof(ccm) });
- ctrls.set(V4L2_CID_USER_BCM2835_ISP_CC_MATRIX, c);
-}
-
-void IPARPi::applyGamma(const struct ContrastStatus *contrastStatus, ControlList &ctrls)
-{
- struct bcm2835_isp_gamma gamma;
-
- gamma.enabled = 1;
- for (int i = 0; i < CONTRAST_NUM_POINTS; i++) {
- gamma.x[i] = contrastStatus->points[i].x;
- gamma.y[i] = contrastStatus->points[i].y;
- }
-
- ControlValue c(Span<const uint8_t>{ reinterpret_cast<uint8_t *>(&gamma),
- sizeof(gamma) });
- ctrls.set(V4L2_CID_USER_BCM2835_ISP_GAMMA, c);
-}
-
-void IPARPi::applyBlackLevel(const struct BlackLevelStatus *blackLevelStatus, ControlList &ctrls)
-{
- bcm2835_isp_black_level blackLevel;
-
- blackLevel.enabled = 1;
- blackLevel.black_level_r = blackLevelStatus->black_level_r;
- blackLevel.black_level_g = blackLevelStatus->black_level_g;
- blackLevel.black_level_b = blackLevelStatus->black_level_b;
-
- ControlValue c(Span<const uint8_t>{ reinterpret_cast<uint8_t *>(&blackLevel),
- sizeof(blackLevel) });
- ctrls.set(V4L2_CID_USER_BCM2835_ISP_BLACK_LEVEL, c);
-}
-
-void IPARPi::applyGEQ(const struct GeqStatus *geqStatus, ControlList &ctrls)
-{
- bcm2835_isp_geq geq;
-
- geq.enabled = 1;
- geq.offset = geqStatus->offset;
- geq.slope.den = 1000;
- geq.slope.num = 1000 * geqStatus->slope;
-
- ControlValue c(Span<const uint8_t>{ reinterpret_cast<uint8_t *>(&geq),
- sizeof(geq) });
- ctrls.set(V4L2_CID_USER_BCM2835_ISP_GEQ, c);
-}
-
-void IPARPi::applyDenoise(const struct DenoiseStatus *denoiseStatus, ControlList &ctrls)
-{
- using RPiController::DenoiseMode;
-
- bcm2835_isp_denoise denoise;
- DenoiseMode mode = static_cast<DenoiseMode>(denoiseStatus->mode);
-
- denoise.enabled = mode != DenoiseMode::Off;
- denoise.constant = denoiseStatus->noise_constant;
- denoise.slope.num = 1000 * denoiseStatus->noise_slope;
- denoise.slope.den = 1000;
- denoise.strength.num = 1000 * denoiseStatus->strength;
- denoise.strength.den = 1000;
-
- /* Set the CDN mode to match the SDN operating mode. */
- bcm2835_isp_cdn cdn;
- switch (mode) {
- case DenoiseMode::ColourFast:
- cdn.enabled = 1;
- cdn.mode = CDN_MODE_FAST;
- break;
- case DenoiseMode::ColourHighQuality:
- cdn.enabled = 1;
- cdn.mode = CDN_MODE_HIGH_QUALITY;
- break;
- default:
- cdn.enabled = 0;
- }
-
- ControlValue c(Span<const uint8_t>{ reinterpret_cast<uint8_t *>(&denoise),
- sizeof(denoise) });
- ctrls.set(V4L2_CID_USER_BCM2835_ISP_DENOISE, c);
-
- c = ControlValue(Span<const uint8_t>{ reinterpret_cast<uint8_t *>(&cdn),
- sizeof(cdn) });
- ctrls.set(V4L2_CID_USER_BCM2835_ISP_CDN, c);
-}
-
-void IPARPi::applySharpen(const struct SharpenStatus *sharpenStatus, ControlList &ctrls)
-{
- bcm2835_isp_sharpen sharpen;
-
- sharpen.enabled = 1;
- sharpen.threshold.num = 1000 * sharpenStatus->threshold;
- sharpen.threshold.den = 1000;
- sharpen.strength.num = 1000 * sharpenStatus->strength;
- sharpen.strength.den = 1000;
- sharpen.limit.num = 1000 * sharpenStatus->limit;
- sharpen.limit.den = 1000;
-
- ControlValue c(Span<const uint8_t>{ reinterpret_cast<uint8_t *>(&sharpen),
- sizeof(sharpen) });
- ctrls.set(V4L2_CID_USER_BCM2835_ISP_SHARPEN, c);
-}
-
-void IPARPi::applyDPC(const struct DpcStatus *dpcStatus, ControlList &ctrls)
-{
- bcm2835_isp_dpc dpc;
-
- dpc.enabled = 1;
- dpc.strength = dpcStatus->strength;
-
- ControlValue c(Span<const uint8_t>{ reinterpret_cast<uint8_t *>(&dpc),
- sizeof(dpc) });
- ctrls.set(V4L2_CID_USER_BCM2835_ISP_DPC, c);
-}
-
-void IPARPi::applyLS(const struct AlscStatus *lsStatus, ControlList &ctrls)
-{
- /*
- * Program lens shading tables into pipeline.
- * Choose smallest cell size that won't exceed 63x48 cells.
- */
- const int cellSizes[] = { 16, 32, 64, 128, 256 };
- unsigned int numCells = std::size(cellSizes);
- unsigned int i, w, h, cellSize;
- for (i = 0; i < numCells; i++) {
- cellSize = cellSizes[i];
- w = (mode_.width + cellSize - 1) / cellSize;
- h = (mode_.height + cellSize - 1) / cellSize;
- if (w < 64 && h <= 48)
- break;
- }
-
- if (i == numCells) {
- LOG(IPARPI, Error) << "Cannot find cell size";
- return;
- }
-
- /* We're going to supply corner sampled tables, 16 bit samples. */
- w++, h++;
- bcm2835_isp_lens_shading ls = {
- .enabled = 1,
- .grid_cell_size = cellSize,
- .grid_width = w,
- .grid_stride = w,
- .grid_height = h,
- /* .dmabuf will be filled in by pipeline handler. */
- .dmabuf = 0,
- .ref_transform = 0,
- .corner_sampled = 1,
- .gain_format = GAIN_FORMAT_U4P10
- };
-
- if (!lsTable_ || w * h * 4 * sizeof(uint16_t) > MaxLsGridSize) {
- LOG(IPARPI, Error) << "Do not have a correctly allocate lens shading table!";
- return;
- }
-
- if (lsStatus) {
- /* Format will be u4.10 */
- uint16_t *grid = static_cast<uint16_t *>(lsTable_);
-
- resampleTable(grid, lsStatus->r, w, h);
- resampleTable(grid + w * h, lsStatus->g, w, h);
- std::memcpy(grid + 2 * w * h, grid + w * h, w * h * sizeof(uint16_t));
- resampleTable(grid + 3 * w * h, lsStatus->b, w, h);
- }
-
- ControlValue c(Span<const uint8_t>{ reinterpret_cast<uint8_t *>(&ls),
- sizeof(ls) });
- ctrls.set(V4L2_CID_USER_BCM2835_ISP_LENS_SHADING, c);
-}
-
-/*
- * Resamples a 16x12 table with central sampling to destW x destH with corner
- * sampling.
- */
-void IPARPi::resampleTable(uint16_t dest[], double const src[12][16],
- int destW, int destH)
-{
- /*
- * Precalculate and cache the x sampling locations and phases to
- * save recomputing them on every row.
- */
- assert(destW > 1 && destH > 1 && destW <= 64);
- int xLo[64], xHi[64];
- double xf[64];
- double x = -0.5, xInc = 16.0 / (destW - 1);
- for (int i = 0; i < destW; i++, x += xInc) {
- xLo[i] = floor(x);
- xf[i] = x - xLo[i];
- xHi[i] = xLo[i] < 15 ? xLo[i] + 1 : 15;
- xLo[i] = xLo[i] > 0 ? xLo[i] : 0;
- }
-
- /* Now march over the output table generating the new values. */
- double y = -0.5, yInc = 12.0 / (destH - 1);
- for (int j = 0; j < destH; j++, y += yInc) {
- int yLo = floor(y);
- double yf = y - yLo;
- int yHi = yLo < 11 ? yLo + 1 : 11;
- yLo = yLo > 0 ? yLo : 0;
- double const *rowAbove = src[yLo];
- double const *rowBelow = src[yHi];
- for (int i = 0; i < destW; i++) {
- double above = rowAbove[xLo[i]] * (1 - xf[i]) + rowAbove[xHi[i]] * xf[i];
- double below = rowBelow[xLo[i]] * (1 - xf[i]) + rowBelow[xHi[i]] * xf[i];
- int result = floor(1024 * (above * (1 - yf) + below * yf) + .5);
- *(dest++) = result > 16383 ? 16383 : result; /* want u4.10 */
- }
- }
-}
-
-} /* namespace ipa::RPi */
-
-/*
- * External IPA module interface
- */
-extern "C" {
-const struct IPAModuleInfo ipaModuleInfo = {
- IPA_MODULE_API_VERSION,
- 1,
- "PipelineHandlerRPi",
- "raspberrypi",
-};
-
-IPAInterface *ipaCreate()
-{
- return new ipa::RPi::IPARPi();
-}
-
-} /* extern "C" */
-
-} /* namespace libcamera */
diff --git a/src/ipa/rkisp1/algorithms/agc.cpp b/src/ipa/rkisp1/algorithms/agc.cpp
index a1bb7d97..50e0690f 100644
--- a/src/ipa/rkisp1/algorithms/agc.cpp
+++ b/src/ipa/rkisp1/algorithms/agc.cpp
@@ -2,7 +2,7 @@
/*
* Copyright (C) 2021-2022, Ideas On Board
*
- * agc.cpp - AGC/AEC mean-based control algorithm
+ * AGC/AEC mean-based control algorithm
*/
#include "agc.h"
@@ -14,6 +14,7 @@
#include <libcamera/base/log.h>
#include <libcamera/base/utils.h>
+#include <libcamera/control_ids.h>
#include <libcamera/ipa/core_ipa_interface.h>
#include "libipa/histogram.h"
@@ -35,32 +36,32 @@ namespace ipa::rkisp1::algorithms {
LOG_DEFINE_CATEGORY(RkISP1Agc)
-/* Limits for analogue gain values */
-static constexpr double kMinAnalogueGain = 1.0;
-static constexpr double kMaxAnalogueGain = 8.0;
-
-/* \todo Honour the FrameDurationLimits control instead of hardcoding a limit */
-static constexpr utils::Duration kMaxShutterSpeed = 60ms;
-
-/* Number of frames to wait before calculating stats on minimum exposure */
-static constexpr uint32_t kNumStartupFrames = 10;
-
-/* Target value to reach for the top 2% of the histogram */
-static constexpr double kEvGainTarget = 0.5;
+Agc::Agc()
+{
+ supportsRaw_ = true;
+}
-/*
- * Relative luminance target.
+/**
+ * \brief Initialise the AGC algorithm from tuning files
+ * \param[in] context The shared IPA context
+ * \param[in] tuningData The YamlObject containing Agc tuning data
*
- * It's a number that's chosen so that, when the camera points at a grey
- * target, the resulting image brightness is considered right.
+ * This function calls the base class' tuningData parsers to discover which
+ * control values are supported.
*
- * \todo Why is the value different between IPU3 and RkISP1 ?
+ * \return 0 on success or errors from the base class
*/
-static constexpr double kRelativeLuminanceTarget = 0.4;
-
-Agc::Agc()
- : frameCount_(0), numCells_(0), numHistBins_(0), filteredExposure_(0s)
+int Agc::init(IPAContext &context, const YamlObject &tuningData)
{
+ int ret;
+
+ ret = parseTuningData(tuningData);
+ if (ret)
+ return ret;
+
+ context.ctrlMap.merge(controls());
+
+ return 0;
}
/**
@@ -73,21 +74,15 @@ Agc::Agc()
int Agc::configure(IPAContext &context, const IPACameraSensorInfo &configInfo)
{
/* Configure the default exposure and gain. */
- context.frameContext.agc.gain = std::max(context.configuration.agc.minAnalogueGain, kMinAnalogueGain);
- context.frameContext.agc.exposure = 10ms / context.configuration.sensor.lineDuration;
+ context.activeState.agc.automatic.gain = context.configuration.sensor.minAnalogueGain;
+ context.activeState.agc.automatic.exposure =
+ 10ms / context.configuration.sensor.lineDuration;
+ context.activeState.agc.manual.gain = context.activeState.agc.automatic.gain;
+ context.activeState.agc.manual.exposure = context.activeState.agc.automatic.exposure;
+ context.activeState.agc.autoEnabled = !context.configuration.raw;
- /*
- * According to the RkISP1 documentation:
- * - versions < V12 have RKISP1_CIF_ISP_AE_MEAN_MAX_V10 entries,
- * - versions >= V12 have RKISP1_CIF_ISP_AE_MEAN_MAX_V12 entries.
- */
- if (context.configuration.hw.revision < RKISP1_V12) {
- numCells_ = RKISP1_CIF_ISP_AE_MEAN_MAX_V10;
- numHistBins_ = RKISP1_CIF_ISP_HIST_BIN_N_MAX_V10;
- } else {
- numCells_ = RKISP1_CIF_ISP_AE_MEAN_MAX_V12;
- numHistBins_ = RKISP1_CIF_ISP_HIST_BIN_N_MAX_V12;
- }
+ context.activeState.agc.constraintMode = constraintModes().begin()->first;
+ context.activeState.agc.exposureMode = exposureModeHelpers().begin()->first;
/*
* Define the measurement window for AGC as a centered rectangle
@@ -98,131 +93,125 @@ int Agc::configure(IPAContext &context, const IPACameraSensorInfo &configInfo)
context.configuration.agc.measureWindow.h_size = 3 * configInfo.outputSize.width / 4;
context.configuration.agc.measureWindow.v_size = 3 * configInfo.outputSize.height / 4;
- /* \todo Use actual frame index by populating it in the frameContext. */
- frameCount_ = 0;
+ /* \todo Run this again when FrameDurationLimits is passed in */
+ setLimits(context.configuration.sensor.minShutterSpeed,
+ context.configuration.sensor.maxShutterSpeed,
+ context.configuration.sensor.minAnalogueGain,
+ context.configuration.sensor.maxAnalogueGain);
+
+ resetFrameCount();
+
return 0;
}
/**
- * \brief Apply a filter on the exposure value to limit the speed of changes
- * \param[in] exposureValue The target exposure from the AGC algorithm
- *
- * The speed of the filter is adaptive, and will produce the target quicker
- * during startup, or when the target exposure is within 20% of the most recent
- * filter output.
- *
- * \return The filtered exposure
+ * \copydoc libcamera::ipa::Algorithm::queueRequest
*/
-utils::Duration Agc::filterExposure(utils::Duration exposureValue)
+void Agc::queueRequest(IPAContext &context,
+ [[maybe_unused]] const uint32_t frame,
+ IPAFrameContext &frameContext,
+ const ControlList &controls)
{
- double speed = 0.2;
+ auto &agc = context.activeState.agc;
- /* Adapt instantly if we are in startup phase. */
- if (frameCount_ < kNumStartupFrames)
- speed = 1.0;
+ if (!context.configuration.raw) {
+ const auto &agcEnable = controls.get(controls::AeEnable);
+ if (agcEnable && *agcEnable != agc.autoEnabled) {
+ agc.autoEnabled = *agcEnable;
- /*
- * If we are close to the desired result, go faster to avoid making
- * multiple micro-adjustments.
- * \todo Make this customisable?
- */
- if (filteredExposure_ < 1.2 * exposureValue &&
- filteredExposure_ > 0.8 * exposureValue)
- speed = sqrt(speed);
+ LOG(RkISP1Agc, Debug)
+ << (agc.autoEnabled ? "Enabling" : "Disabling")
+ << " AGC";
+ }
+ }
- filteredExposure_ = speed * exposureValue +
- filteredExposure_ * (1.0 - speed);
+ const auto &exposure = controls.get(controls::ExposureTime);
+ if (exposure && !agc.autoEnabled) {
+ agc.manual.exposure = *exposure * 1.0us
+ / context.configuration.sensor.lineDuration;
+
+ LOG(RkISP1Agc, Debug)
+ << "Set exposure to " << agc.manual.exposure;
+ }
+
+ const auto &gain = controls.get(controls::AnalogueGain);
+ if (gain && !agc.autoEnabled) {
+ agc.manual.gain = *gain;
+
+ LOG(RkISP1Agc, Debug) << "Set gain to " << agc.manual.gain;
+ }
- LOG(RkISP1Agc, Debug) << "After filtering, exposure " << filteredExposure_;
+ frameContext.agc.autoEnabled = agc.autoEnabled;
- return filteredExposure_;
+ if (!frameContext.agc.autoEnabled) {
+ frameContext.agc.exposure = agc.manual.exposure;
+ frameContext.agc.gain = agc.manual.gain;
+ }
}
/**
- * \brief Estimate the new exposure and gain values
- * \param[inout] frameContext The shared IPA frame Context
- * \param[in] yGain The gain calculated on the current brightness level
- * \param[in] iqMeanGain The gain calculated based on the relative luminance target
+ * \copydoc libcamera::ipa::Algorithm::prepare
*/
-void Agc::computeExposure(IPAContext &context, double yGain, double iqMeanGain)
+void Agc::prepare(IPAContext &context, const uint32_t frame,
+ IPAFrameContext &frameContext, rkisp1_params_cfg *params)
{
- IPASessionConfiguration &configuration = context.configuration;
- IPAFrameContext &frameContext = context.frameContext;
-
- /* Get the effective exposure and gain applied on the sensor. */
- uint32_t exposure = frameContext.sensor.exposure;
- double analogueGain = frameContext.sensor.gain;
-
- /* Use the highest of the two gain estimates. */
- double evGain = std::max(yGain, iqMeanGain);
-
- utils::Duration minShutterSpeed = configuration.agc.minShutterSpeed;
- utils::Duration maxShutterSpeed = std::min(configuration.agc.maxShutterSpeed,
- kMaxShutterSpeed);
-
- double minAnalogueGain = std::max(configuration.agc.minAnalogueGain,
- kMinAnalogueGain);
- double maxAnalogueGain = std::min(configuration.agc.maxAnalogueGain,
- kMaxAnalogueGain);
+ if (frameContext.agc.autoEnabled) {
+ frameContext.agc.exposure = context.activeState.agc.automatic.exposure;
+ frameContext.agc.gain = context.activeState.agc.automatic.gain;
+ }
- /* Consider within 1% of the target as correctly exposed. */
- if (utils::abs_diff(evGain, 1.0) < 0.01)
+ if (frame > 0)
return;
- /* extracted from Rpi::Agc::computeTargetExposure. */
-
- /* Calculate the shutter time in seconds. */
- utils::Duration currentShutter = exposure * configuration.sensor.lineDuration;
-
- /*
- * Update the exposure value for the next computation using the values
- * of exposure and gain really used by the sensor.
- */
- utils::Duration effectiveExposureValue = currentShutter * analogueGain;
-
- LOG(RkISP1Agc, Debug) << "Actual total exposure " << currentShutter * analogueGain
- << " Shutter speed " << currentShutter
- << " Gain " << analogueGain
- << " Needed ev gain " << evGain;
-
- /*
- * Calculate the current exposure value for the scene as the latest
- * exposure value applied multiplied by the new estimated gain.
- */
- utils::Duration exposureValue = effectiveExposureValue * evGain;
+ /* Configure the measurement window. */
+ params->meas.aec_config.meas_window = context.configuration.agc.measureWindow;
+ /* Use a continuous method for measure. */
+ params->meas.aec_config.autostop = RKISP1_CIF_ISP_EXP_CTRL_AUTOSTOP_0;
+ /* Estimate Y as (R + G + B) x (85/256). */
+ params->meas.aec_config.mode = RKISP1_CIF_ISP_EXP_MEASURING_MODE_1;
- /* Clamp the exposure value to the min and max authorized. */
- utils::Duration maxTotalExposure = maxShutterSpeed * maxAnalogueGain;
- exposureValue = std::min(exposureValue, maxTotalExposure);
- LOG(RkISP1Agc, Debug) << "Target total exposure " << exposureValue
- << ", maximum is " << maxTotalExposure;
+ params->module_cfg_update |= RKISP1_CIF_ISP_MODULE_AEC;
+ params->module_ens |= RKISP1_CIF_ISP_MODULE_AEC;
+ params->module_en_update |= RKISP1_CIF_ISP_MODULE_AEC;
- /*
- * Divide the exposure value as new exposure and gain values.
- * \todo estimate if we need to desaturate
- */
- exposureValue = filterExposure(exposureValue);
+ /* Configure histogram. */
+ params->meas.hst_config.meas_window = context.configuration.agc.measureWindow;
+ /* Produce the luminance histogram. */
+ params->meas.hst_config.mode = RKISP1_CIF_ISP_HISTOGRAM_MODE_Y_HISTOGRAM;
+ /* Set an average weighted histogram. */
+ Span<uint8_t> weights{
+ params->meas.hst_config.hist_weight,
+ context.hw->numHistogramWeights
+ };
+ std::fill(weights.begin(), weights.end(), 1);
+ /* Step size can't be less than 3. */
+ params->meas.hst_config.histogram_predivider = 4;
- /*
- * Push the shutter time up to the maximum first, and only then
- * increase the gain.
- */
- utils::Duration shutterTime = std::clamp<utils::Duration>(exposureValue / minAnalogueGain,
- minShutterSpeed, maxShutterSpeed);
- double stepGain = std::clamp(exposureValue / shutterTime,
- minAnalogueGain, maxAnalogueGain);
- LOG(RkISP1Agc, Debug) << "Divided up shutter and gain are "
- << shutterTime << " and "
- << stepGain;
+ /* Update the configuration for histogram. */
+ params->module_cfg_update |= RKISP1_CIF_ISP_MODULE_HST;
+ /* Enable the histogram measure unit. */
+ params->module_ens |= RKISP1_CIF_ISP_MODULE_HST;
+ params->module_en_update |= RKISP1_CIF_ISP_MODULE_HST;
+}
- /* Update the estimated exposure and gain. */
- frameContext.agc.exposure = shutterTime / configuration.sensor.lineDuration;
- frameContext.agc.gain = stepGain;
+void Agc::fillMetadata(IPAContext &context, IPAFrameContext &frameContext,
+ ControlList &metadata)
+{
+ utils::Duration exposureTime = context.configuration.sensor.lineDuration
+ * frameContext.sensor.exposure;
+ metadata.set(controls::AnalogueGain, frameContext.sensor.gain);
+ metadata.set(controls::ExposureTime, exposureTime.get<std::micro>());
+
+ /* \todo Use VBlank value calculated from each frame exposure. */
+ uint32_t vTotal = context.configuration.sensor.size.height
+ + context.configuration.sensor.defVBlank;
+ utils::Duration frameDuration = context.configuration.sensor.lineDuration
+ * vTotal;
+ metadata.set(controls::FrameDuration, frameDuration.get<std::micro>());
}
/**
* \brief Estimate the relative luminance of the frame with a given gain
- * \param[in] ae The RkISP1 statistics and ISP results
* \param[in] gain The gain to apply to the frame
*
* This function estimates the average relative luminance of the frame that
@@ -236,8 +225,6 @@ void Agc::computeExposure(IPAContext &context, double yGain, double iqMeanGain)
* YUV doesn't take into account the fact that the R, G and B components
* contribute differently to the relative luminance.
*
- * \todo Have a dedicated YUV algorithm ?
- *
* The values are normalized to the [0.0, 1.0] range, where 1.0 corresponds to a
* theoretical perfect reflector of 100% reference white.
*
@@ -246,113 +233,82 @@ void Agc::computeExposure(IPAContext &context, double yGain, double iqMeanGain)
*
* \return The relative luminance
*/
-double Agc::estimateLuminance(const rkisp1_cif_isp_ae_stat *ae,
- double gain)
+double Agc::estimateLuminance(double gain) const
{
double ySum = 0.0;
/* Sum the averages, saturated to 255. */
- for (unsigned int aeCell = 0; aeCell < numCells_; aeCell++)
- ySum += std::min(ae->exp_mean[aeCell] * gain, 255.0);
+ for (uint8_t expMean : expMeans_)
+ ySum += std::min(expMean * gain, 255.0);
/* \todo Weight with the AWB gains */
- return ySum / numCells_ / 255;
-}
-
-/**
- * \brief Estimate the mean value of the top 2% of the histogram
- * \param[in] hist The histogram statistics computed by the ImgU
- * \return The mean value of the top 2% of the histogram
- */
-double Agc::measureBrightness(const rkisp1_cif_isp_hist_stat *hist) const
-{
- Histogram histogram{ Span<const uint32_t>(hist->hist_bins, numHistBins_) };
- /* Estimate the quantile mean of the top 2% of the histogram. */
- return histogram.interQuantileMean(0.98, 1.0);
+ return ySum / expMeans_.size() / 255;
}
/**
* \brief Process RkISP1 statistics, and run AGC operations
* \param[in] context The shared IPA context
+ * \param[in] frame The frame context sequence number
+ * \param[in] frameContext The current frame context
* \param[in] stats The RKISP1 statistics and ISP results
+ * \param[out] metadata Metadata for the frame, to be filled by the algorithm
*
* Identify the current image brightness, and use that to estimate the optimal
* new exposure and gain for the scene.
*/
-void Agc::process(IPAContext &context,
- [[maybe_unused]] IPAFrameContext *frameContext,
- const rkisp1_stat_buffer *stats)
+void Agc::process(IPAContext &context, [[maybe_unused]] const uint32_t frame,
+ IPAFrameContext &frameContext, const rkisp1_stat_buffer *stats,
+ ControlList &metadata)
{
+ if (!stats) {
+ fillMetadata(context, frameContext, metadata);
+ return;
+ }
+
+ /*
+ * \todo Verify that the exposure and gain applied by the sensor for
+ * this frame match what has been requested. This isn't a hard
+ * requirement for stability of the AGC (the guarantee we need in
+ * automatic mode is a perfect match between the frame and the values
+ * we receive), but is important in manual mode.
+ */
+
const rkisp1_cif_isp_stat *params = &stats->params;
ASSERT(stats->meas_type & RKISP1_CIF_ISP_STAT_AUTOEXP);
- const rkisp1_cif_isp_ae_stat *ae = &params->ae;
- const rkisp1_cif_isp_hist_stat *hist = &params->hist;
-
- double iqMean = measureBrightness(hist);
- double iqMeanGain = kEvGainTarget * numHistBins_ / iqMean;
+ /* The lower 4 bits are fractional and meant to be discarded. */
+ Histogram hist({ params->hist.hist_bins, context.hw->numHistogramBins },
+ [](uint32_t x) { return x >> 4; });
+ expMeans_ = { params->ae.exp_mean, context.hw->numAeCells };
/*
- * Estimate the gain needed to achieve a relative luminance target. To
- * account for non-linearity caused by saturation, the value needs to be
- * estimated in an iterative process, as multiplying by a gain will not
- * increase the relative luminance by the same factor if some image
- * regions are saturated.
+ * The Agc algorithm needs to know the effective exposure value that was
+ * applied to the sensor when the statistics were collected.
*/
- double yGain = 1.0;
- double yTarget = kRelativeLuminanceTarget;
-
- for (unsigned int i = 0; i < 8; i++) {
- double yValue = estimateLuminance(ae, yGain);
- double extra_gain = std::min(10.0, yTarget / (yValue + .001));
-
- yGain *= extra_gain;
- LOG(RkISP1Agc, Debug) << "Y value: " << yValue
- << ", Y target: " << yTarget
- << ", gives gain " << yGain;
- if (extra_gain < 1.01)
- break;
- }
-
- computeExposure(context, yGain, iqMeanGain);
- frameCount_++;
-}
+ utils::Duration exposureTime = context.configuration.sensor.lineDuration
+ * frameContext.sensor.exposure;
+ double analogueGain = frameContext.sensor.gain;
+ utils::Duration effectiveExposureValue = exposureTime * analogueGain;
-/**
- * \copydoc libcamera::ipa::Algorithm::prepare
- */
-void Agc::prepare(IPAContext &context, rkisp1_params_cfg *params)
-{
- if (context.frameContext.frameCount > 0)
- return;
+ utils::Duration shutterTime;
+ double aGain, dGain;
+ std::tie(shutterTime, aGain, dGain) =
+ calculateNewEv(context.activeState.agc.constraintMode,
+ context.activeState.agc.exposureMode,
+ hist, effectiveExposureValue);
- /* Configure the measurement window. */
- params->meas.aec_config.meas_window = context.configuration.agc.measureWindow;
- /* Use a continuous method for measure. */
- params->meas.aec_config.autostop = RKISP1_CIF_ISP_EXP_CTRL_AUTOSTOP_0;
- /* Estimate Y as (R + G + B) x (85/256). */
- params->meas.aec_config.mode = RKISP1_CIF_ISP_EXP_MEASURING_MODE_1;
+ LOG(RkISP1Agc, Debug)
+ << "Divided up shutter, analogue gain and digital gain are "
+ << shutterTime << ", " << aGain << " and " << dGain;
- params->module_cfg_update |= RKISP1_CIF_ISP_MODULE_AEC;
- params->module_ens |= RKISP1_CIF_ISP_MODULE_AEC;
- params->module_en_update |= RKISP1_CIF_ISP_MODULE_AEC;
-
- /* Configure histogram. */
- params->meas.hst_config.meas_window = context.configuration.agc.measureWindow;
- /* Produce the luminance histogram. */
- params->meas.hst_config.mode = RKISP1_CIF_ISP_HISTOGRAM_MODE_Y_HISTOGRAM;
- /* Set an average weighted histogram. */
- for (unsigned int histBin = 0; histBin < numHistBins_; histBin++)
- params->meas.hst_config.hist_weight[histBin] = 1;
- /* Step size can't be less than 3. */
- params->meas.hst_config.histogram_predivider = 4;
+ IPAActiveState &activeState = context.activeState;
+ /* Update the estimated exposure and gain. */
+ activeState.agc.automatic.exposure = shutterTime / context.configuration.sensor.lineDuration;
+ activeState.agc.automatic.gain = aGain;
- /* Update the configuration for histogram. */
- params->module_cfg_update |= RKISP1_CIF_ISP_MODULE_HST;
- /* Enable the histogram measure unit. */
- params->module_ens |= RKISP1_CIF_ISP_MODULE_HST;
- params->module_en_update |= RKISP1_CIF_ISP_MODULE_HST;
+ fillMetadata(context, frameContext, metadata);
+ expMeans_ = {};
}
REGISTER_IPA_ALGORITHM(Agc, "Agc")
diff --git a/src/ipa/rkisp1/algorithms/agc.h b/src/ipa/rkisp1/algorithms/agc.h
index 22c02779..04b3247e 100644
--- a/src/ipa/rkisp1/algorithms/agc.h
+++ b/src/ipa/rkisp1/algorithms/agc.h
@@ -2,48 +2,53 @@
/*
* Copyright (C) 2021-2022, Ideas On Board
*
- * agc.h - RkISP1 AGC/AEC mean-based control algorithm
+ * RkISP1 AGC/AEC mean-based control algorithm
*/
#pragma once
#include <linux/rkisp1-config.h>
+#include <libcamera/base/span.h>
#include <libcamera/base/utils.h>
#include <libcamera/geometry.h>
+#include "libipa/agc_mean_luminance.h"
+#include "libipa/histogram.h"
+
#include "algorithm.h"
namespace libcamera {
-struct IPACameraSensorInfo;
-
namespace ipa::rkisp1::algorithms {
-class Agc : public Algorithm
+class Agc : public Algorithm, public AgcMeanLuminance
{
public:
Agc();
~Agc() = default;
+ int init(IPAContext &context, const YamlObject &tuningData) override;
int configure(IPAContext &context, const IPACameraSensorInfo &configInfo) override;
- void prepare(IPAContext &context, rkisp1_params_cfg *params) override;
- void process(IPAContext &context, IPAFrameContext *frameContext,
- const rkisp1_stat_buffer *stats) override;
+ void queueRequest(IPAContext &context,
+ const uint32_t frame,
+ IPAFrameContext &frameContext,
+ const ControlList &controls) override;
+ void prepare(IPAContext &context, const uint32_t frame,
+ IPAFrameContext &frameContext,
+ rkisp1_params_cfg *params) override;
+ void process(IPAContext &context, const uint32_t frame,
+ IPAFrameContext &frameContext,
+ const rkisp1_stat_buffer *stats,
+ ControlList &metadata) override;
private:
- void computeExposure(IPAContext &Context, double yGain, double iqMeanGain);
- utils::Duration filterExposure(utils::Duration exposureValue);
- double estimateLuminance(const rkisp1_cif_isp_ae_stat *ae, double gain);
- double measureBrightness(const rkisp1_cif_isp_hist_stat *hist) const;
-
- uint64_t frameCount_;
-
- uint32_t numCells_;
- uint32_t numHistBins_;
+ void fillMetadata(IPAContext &context, IPAFrameContext &frameContext,
+ ControlList &metadata);
+ double estimateLuminance(double gain) const override;
- utils::Duration filteredExposure_;
+ Span<const uint8_t> expMeans_;
};
} /* namespace ipa::rkisp1::algorithms */
diff --git a/src/ipa/rkisp1/algorithms/algorithm.h b/src/ipa/rkisp1/algorithms/algorithm.h
index c3212cff..715cfcd8 100644
--- a/src/ipa/rkisp1/algorithms/algorithm.h
+++ b/src/ipa/rkisp1/algorithms/algorithm.h
@@ -2,7 +2,7 @@
/*
* Copyright (C) 2021, Ideas On Board
*
- * algorithm.h - RkISP1 control algorithm interface
+ * RkISP1 control algorithm interface
*/
#pragma once
@@ -15,7 +15,17 @@ namespace libcamera {
namespace ipa::rkisp1 {
-using Algorithm = libcamera::ipa::Algorithm<Module>;
+class Algorithm : public libcamera::ipa::Algorithm<Module>
+{
+public:
+ Algorithm()
+ : disabled_(false), supportsRaw_(false)
+ {
+ }
+
+ bool disabled_;
+ bool supportsRaw_;
+};
} /* namespace ipa::rkisp1 */
diff --git a/src/ipa/rkisp1/algorithms/awb.cpp b/src/ipa/rkisp1/algorithms/awb.cpp
index 9f00364d..a01fe5d9 100644
--- a/src/ipa/rkisp1/algorithms/awb.cpp
+++ b/src/ipa/rkisp1/algorithms/awb.cpp
@@ -2,16 +2,18 @@
/*
* Copyright (C) 2021-2022, Ideas On Board
*
- * awb.cpp - AWB control algorithm
+ * AWB control algorithm
*/
#include "awb.h"
#include <algorithm>
#include <cmath>
+#include <iomanip>
#include <libcamera/base/log.h>
+#include <libcamera/control_ids.h>
#include <libcamera/ipa/core_ipa_interface.h>
/**
@@ -29,15 +31,27 @@ namespace ipa::rkisp1::algorithms {
LOG_DEFINE_CATEGORY(RkISP1Awb)
+/* Minimum mean value below which AWB can't operate. */
+constexpr double kMeanMinThreshold = 2.0;
+
+Awb::Awb()
+ : rgbMode_(false)
+{
+}
+
/**
* \copydoc libcamera::ipa::Algorithm::configure
*/
int Awb::configure(IPAContext &context,
const IPACameraSensorInfo &configInfo)
{
- context.frameContext.awb.gains.red = 1.0;
- context.frameContext.awb.gains.blue = 1.0;
- context.frameContext.awb.gains.green = 1.0;
+ context.activeState.awb.gains.manual.red = 1.0;
+ context.activeState.awb.gains.manual.blue = 1.0;
+ context.activeState.awb.gains.manual.green = 1.0;
+ context.activeState.awb.gains.automatic.red = 1.0;
+ context.activeState.awb.gains.automatic.blue = 1.0;
+ context.activeState.awb.gains.automatic.green = 1.0;
+ context.activeState.awb.autoEnabled = true;
/*
* Define the measurement window for AWB as a centered rectangle
@@ -48,131 +62,264 @@ int Awb::configure(IPAContext &context,
context.configuration.awb.measureWindow.h_size = 3 * configInfo.outputSize.width / 4;
context.configuration.awb.measureWindow.v_size = 3 * configInfo.outputSize.height / 4;
+ context.configuration.awb.enabled = true;
+
return 0;
}
-uint32_t Awb::estimateCCT(double red, double green, double blue)
+/**
+ * \copydoc libcamera::ipa::Algorithm::queueRequest
+ */
+void Awb::queueRequest(IPAContext &context,
+ [[maybe_unused]] const uint32_t frame,
+ IPAFrameContext &frameContext,
+ const ControlList &controls)
{
- /* Convert the RGB values to CIE tristimulus values (XYZ) */
- double X = (-0.14282) * (red) + (1.54924) * (green) + (-0.95641) * (blue);
- double Y = (-0.32466) * (red) + (1.57837) * (green) + (-0.73191) * (blue);
- double Z = (-0.68202) * (red) + (0.77073) * (green) + (0.56332) * (blue);
+ auto &awb = context.activeState.awb;
- /* Calculate the normalized chromaticity values */
- double x = X / (X + Y + Z);
- double y = Y / (X + Y + Z);
+ const auto &awbEnable = controls.get(controls::AwbEnable);
+ if (awbEnable && *awbEnable != awb.autoEnabled) {
+ awb.autoEnabled = *awbEnable;
- /* Calculate CCT */
- double n = (x - 0.3320) / (0.1858 - y);
- return 449 * n * n * n + 3525 * n * n + 6823.3 * n + 5520.33;
+ LOG(RkISP1Awb, Debug)
+ << (*awbEnable ? "Enabling" : "Disabling") << " AWB";
+ }
+
+ const auto &colourGains = controls.get(controls::ColourGains);
+ if (colourGains && !awb.autoEnabled) {
+ awb.gains.manual.red = (*colourGains)[0];
+ awb.gains.manual.blue = (*colourGains)[1];
+
+ LOG(RkISP1Awb, Debug)
+ << "Set colour gains to red: " << awb.gains.manual.red
+ << ", blue: " << awb.gains.manual.blue;
+ }
+
+ frameContext.awb.autoEnabled = awb.autoEnabled;
+
+ if (!awb.autoEnabled) {
+ frameContext.awb.gains.red = awb.gains.manual.red;
+ frameContext.awb.gains.green = 1.0;
+ frameContext.awb.gains.blue = awb.gains.manual.blue;
+ }
}
/**
* \copydoc libcamera::ipa::Algorithm::prepare
*/
-void Awb::prepare(IPAContext &context, rkisp1_params_cfg *params)
+void Awb::prepare(IPAContext &context, const uint32_t frame,
+ IPAFrameContext &frameContext, rkisp1_params_cfg *params)
{
- params->others.awb_gain_config.gain_green_b = 256 * context.frameContext.awb.gains.green;
- params->others.awb_gain_config.gain_blue = 256 * context.frameContext.awb.gains.blue;
- params->others.awb_gain_config.gain_red = 256 * context.frameContext.awb.gains.red;
- params->others.awb_gain_config.gain_green_r = 256 * context.frameContext.awb.gains.green;
+ /*
+ * This is the latest time we can read the active state. This is the
+ * most up-to-date automatic values we can read.
+ */
+ if (frameContext.awb.autoEnabled) {
+ frameContext.awb.gains.red = context.activeState.awb.gains.automatic.red;
+ frameContext.awb.gains.green = context.activeState.awb.gains.automatic.green;
+ frameContext.awb.gains.blue = context.activeState.awb.gains.automatic.blue;
+ }
+
+ params->others.awb_gain_config.gain_green_b = 256 * frameContext.awb.gains.green;
+ params->others.awb_gain_config.gain_blue = 256 * frameContext.awb.gains.blue;
+ params->others.awb_gain_config.gain_red = 256 * frameContext.awb.gains.red;
+ params->others.awb_gain_config.gain_green_r = 256 * frameContext.awb.gains.green;
/* Update the gains. */
params->module_cfg_update |= RKISP1_CIF_ISP_MODULE_AWB_GAIN;
- /* If we already have configured the gains and window, return. */
- if (context.frameContext.frameCount > 0)
+ /* If we have already set the AWB measurement parameters, return. */
+ if (frame > 0)
return;
- /* Configure the gains to apply. */
+ rkisp1_cif_isp_awb_meas_config &awb_config = params->meas.awb_meas_config;
+
+ /* Configure the measure window for AWB. */
+ awb_config.awb_wnd = context.configuration.awb.measureWindow;
+
+ /* Number of frames to use to estimate the means (0 means 1 frame). */
+ awb_config.frames = 0;
+
+ /* Select RGB or YCbCr means measurement. */
+ if (rgbMode_) {
+ awb_config.awb_mode = RKISP1_CIF_ISP_AWB_MODE_RGB;
+
+ /*
+ * For RGB-based measurements, pixels are selected with maximum
+ * red, green and blue thresholds that are set in the
+ * awb_ref_cr, awb_min_y and awb_ref_cb respectively. The other
+ * values are not used, set them to 0.
+ */
+ awb_config.awb_ref_cr = 250;
+ awb_config.min_y = 250;
+ awb_config.awb_ref_cb = 250;
+
+ awb_config.max_y = 0;
+ awb_config.min_c = 0;
+ awb_config.max_csum = 0;
+ } else {
+ awb_config.awb_mode = RKISP1_CIF_ISP_AWB_MODE_YCBCR;
+
+ /* Set the reference Cr and Cb (AWB target) to white. */
+ awb_config.awb_ref_cb = 128;
+ awb_config.awb_ref_cr = 128;
+
+ /*
+ * Filter out pixels based on luminance and chrominance values.
+ * The acceptable luma values are specified as a [16, 250]
+ * range, while the acceptable chroma values are specified with
+ * a minimum of 16 and a maximum Cb+Cr sum of 250.
+ */
+ awb_config.min_y = 16;
+ awb_config.max_y = 250;
+ awb_config.min_c = 16;
+ awb_config.max_csum = 250;
+ }
+
+ /* Enable the AWB gains. */
params->module_en_update |= RKISP1_CIF_ISP_MODULE_AWB_GAIN;
- /* Update the ISP to apply the gains configured. */
params->module_ens |= RKISP1_CIF_ISP_MODULE_AWB_GAIN;
- /* Configure the measure window for AWB. */
- params->meas.awb_meas_config.awb_wnd = context.configuration.awb.measureWindow;
- /*
- * Measure Y, Cr and Cb means.
- * \todo RGB is not working, the kernel seems to not configure it ?
- */
- params->meas.awb_meas_config.awb_mode = RKISP1_CIF_ISP_AWB_MODE_YCBCR;
- /* Reference Cr and Cb. */
- params->meas.awb_meas_config.awb_ref_cb = 128;
- params->meas.awb_meas_config.awb_ref_cr = 128;
- /* Y values to include are between min_y and max_y only. */
- params->meas.awb_meas_config.min_y = 16;
- params->meas.awb_meas_config.max_y = 250;
- /* Maximum Cr+Cb value to take into account for awb. */
- params->meas.awb_meas_config.max_csum = 250;
- /* Minimum Cr and Cb values to take into account. */
- params->meas.awb_meas_config.min_c = 16;
- /* Number of frames to use to estimate the mean (0 means 1 frame). */
- params->meas.awb_meas_config.frames = 0;
-
- /* Update AWB measurement unit configuration. */
+ /* Update the AWB measurement parameters and enable the AWB module. */
params->module_cfg_update |= RKISP1_CIF_ISP_MODULE_AWB;
- /* Make sure the ISP is measuring the means for the next frame. */
params->module_en_update |= RKISP1_CIF_ISP_MODULE_AWB;
params->module_ens |= RKISP1_CIF_ISP_MODULE_AWB;
}
+uint32_t Awb::estimateCCT(double red, double green, double blue)
+{
+ /* Convert the RGB values to CIE tristimulus values (XYZ) */
+ double X = (-0.14282) * (red) + (1.54924) * (green) + (-0.95641) * (blue);
+ double Y = (-0.32466) * (red) + (1.57837) * (green) + (-0.73191) * (blue);
+ double Z = (-0.68202) * (red) + (0.77073) * (green) + (0.56332) * (blue);
+
+ /* Calculate the normalized chromaticity values */
+ double x = X / (X + Y + Z);
+ double y = Y / (X + Y + Z);
+
+ /* Calculate CCT */
+ double n = (x - 0.3320) / (0.1858 - y);
+ return 449 * n * n * n + 3525 * n * n + 6823.3 * n + 5520.33;
+}
+
/**
* \copydoc libcamera::ipa::Algorithm::process
*/
-void Awb::process([[maybe_unused]] IPAContext &context,
- [[maybe_unused]] IPAFrameContext *frameCtx,
- const rkisp1_stat_buffer *stats)
+void Awb::process(IPAContext &context,
+ [[maybe_unused]] const uint32_t frame,
+ IPAFrameContext &frameContext,
+ const rkisp1_stat_buffer *stats,
+ ControlList &metadata)
{
const rkisp1_cif_isp_stat *params = &stats->params;
const rkisp1_cif_isp_awb_stat *awb = &params->awb;
- IPAFrameContext &frameContext = context.frameContext;
-
- /* Get the YCbCr mean values */
- double yMean = awb->awb_mean[0].mean_y_or_g;
- double crMean = awb->awb_mean[0].mean_cr_or_r;
- double cbMean = awb->awb_mean[0].mean_cb_or_b;
+ IPAActiveState &activeState = context.activeState;
+ double greenMean;
+ double redMean;
+ double blueMean;
+
+ if (rgbMode_) {
+ greenMean = awb->awb_mean[0].mean_y_or_g;
+ redMean = awb->awb_mean[0].mean_cr_or_r;
+ blueMean = awb->awb_mean[0].mean_cb_or_b;
+ } else {
+ /* Get the YCbCr mean values */
+ double yMean = awb->awb_mean[0].mean_y_or_g;
+ double cbMean = awb->awb_mean[0].mean_cb_or_b;
+ double crMean = awb->awb_mean[0].mean_cr_or_r;
+
+ /*
+ * Convert from YCbCr to RGB.
+ * The hardware uses the following formulas:
+ * Y = 16 + 0.2500 R + 0.5000 G + 0.1094 B
+ * Cb = 128 - 0.1406 R - 0.2969 G + 0.4375 B
+ * Cr = 128 + 0.4375 R - 0.3750 G - 0.0625 B
+ *
+ * The inverse matrix is thus:
+ * [[1,1636, -0,0623, 1,6008]
+ * [1,1636, -0,4045, -0,7949]
+ * [1,1636, 1,9912, -0,0250]]
+ */
+ yMean -= 16;
+ cbMean -= 128;
+ crMean -= 128;
+ redMean = 1.1636 * yMean - 0.0623 * cbMean + 1.6008 * crMean;
+ greenMean = 1.1636 * yMean - 0.4045 * cbMean - 0.7949 * crMean;
+ blueMean = 1.1636 * yMean + 1.9912 * cbMean - 0.0250 * crMean;
+
+ /*
+ * Due to hardware rounding errors in the YCbCr means, the
+ * calculated RGB means may be negative. This would lead to
+ * negative gains, messing up calculation. Prevent this by
+ * clamping the means to positive values.
+ */
+ redMean = std::max(redMean, 0.0);
+ greenMean = std::max(greenMean, 0.0);
+ blueMean = std::max(blueMean, 0.0);
+ }
/*
- * Convert from YCbCr to RGB.
- * The hardware uses the following formulas:
- * Y = 16 + 0.2500 R + 0.5000 G + 0.1094 B
- * Cb = 128 - 0.1406 R - 0.2969 G + 0.4375 B
- * Cr = 128 + 0.4375 R - 0.3750 G - 0.0625 B
- *
- * The inverse matrix is thus:
- * [[1,1636, -0,0623, 1,6008]
- * [1,1636, -0,4045, -0,7949]
- * [1,1636, 1,9912, -0,0250]]
+ * The ISP computes the AWB means after applying the colour gains,
+ * divide by the gains that were used to get the raw means from the
+ * sensor.
*/
- yMean -= 16;
- cbMean -= 128;
- crMean -= 128;
- double redMean = 1.1636 * yMean - 0.0623 * cbMean + 1.6008 * crMean;
- double greenMean = 1.1636 * yMean - 0.4045 * cbMean - 0.7949 * crMean;
- double blueMean = 1.1636 * yMean + 1.9912 * cbMean - 0.0250 * crMean;
+ redMean /= frameContext.awb.gains.red;
+ greenMean /= frameContext.awb.gains.green;
+ blueMean /= frameContext.awb.gains.blue;
- /* Estimate the red and blue gains to apply in a grey world. */
- double redGain = greenMean / (redMean + 1);
- double blueGain = greenMean / (blueMean + 1);
+ /*
+ * If the means are too small we don't have enough information to
+ * meaningfully calculate gains. Freeze the algorithm in that case.
+ */
+ if (redMean < kMeanMinThreshold && greenMean < kMeanMinThreshold &&
+ blueMean < kMeanMinThreshold) {
+ frameContext.awb.temperatureK = activeState.awb.temperatureK;
+ return;
+ }
- /* Filter the values to avoid oscillations. */
- double speed = 0.2;
- redGain = speed * redGain + (1 - speed) * frameContext.awb.gains.red;
- blueGain = speed * blueGain + (1 - speed) * frameContext.awb.gains.blue;
+ activeState.awb.temperatureK = estimateCCT(redMean, greenMean, blueMean);
/*
- * Gain values are unsigned integer value, range 0 to 4 with 8 bit
- * fractional part.
+ * Estimate the red and blue gains to apply in a grey world. The green
+ * gain is hardcoded to 1.0. Avoid divisions by zero by clamping the
+ * divisor to a minimum value of 1.0.
*/
- frameContext.awb.gains.red = std::clamp(redGain, 0.0, 1023.0 / 256);
- frameContext.awb.gains.blue = std::clamp(blueGain, 0.0, 1023.0 / 256);
- /* Hardcode the green gain to 1.0. */
- frameContext.awb.gains.green = 1.0;
+ double redGain = greenMean / std::max(redMean, 1.0);
+ double blueGain = greenMean / std::max(blueMean, 1.0);
- frameContext.awb.temperatureK = estimateCCT(redMean, greenMean, blueMean);
+ /*
+ * Clamp the gain values to the hardware, which expresses gains as Q2.8
+ * unsigned integer values. Set the minimum just above zero to avoid
+ * divisions by zero when computing the raw means in subsequent
+ * iterations.
+ */
+ redGain = std::clamp(redGain, 1.0 / 256, 1023.0 / 256);
+ blueGain = std::clamp(blueGain, 1.0 / 256, 1023.0 / 256);
- LOG(RkISP1Awb, Debug) << "Gain found for red: " << context.frameContext.awb.gains.red
- << " and for blue: " << context.frameContext.awb.gains.blue;
+ /* Filter the values to avoid oscillations. */
+ double speed = 0.2;
+ redGain = speed * redGain + (1 - speed) * activeState.awb.gains.automatic.red;
+ blueGain = speed * blueGain + (1 - speed) * activeState.awb.gains.automatic.blue;
+
+ activeState.awb.gains.automatic.red = redGain;
+ activeState.awb.gains.automatic.blue = blueGain;
+ activeState.awb.gains.automatic.green = 1.0;
+
+ frameContext.awb.temperatureK = activeState.awb.temperatureK;
+
+ metadata.set(controls::AwbEnable, frameContext.awb.autoEnabled);
+ metadata.set(controls::ColourGains, {
+ static_cast<float>(frameContext.awb.gains.red),
+ static_cast<float>(frameContext.awb.gains.blue)
+ });
+ metadata.set(controls::ColourTemperature, frameContext.awb.temperatureK);
+
+ LOG(RkISP1Awb, Debug) << std::showpoint
+ << "Means [" << redMean << ", " << greenMean << ", " << blueMean
+ << "], gains [" << activeState.awb.gains.automatic.red << ", "
+ << activeState.awb.gains.automatic.green << ", "
+ << activeState.awb.gains.automatic.blue << "], temp "
+ << frameContext.awb.temperatureK << "K";
}
REGISTER_IPA_ALGORITHM(Awb, "Awb")
diff --git a/src/ipa/rkisp1/algorithms/awb.h b/src/ipa/rkisp1/algorithms/awb.h
index 7647842f..06c92896 100644
--- a/src/ipa/rkisp1/algorithms/awb.h
+++ b/src/ipa/rkisp1/algorithms/awb.h
@@ -2,13 +2,11 @@
/*
* Copyright (C) 2021-2022, Ideas On Board
*
- * awb.h - AWB control algorithm
+ * AWB control algorithm
*/
#pragma once
-#include <linux/rkisp1-config.h>
-
#include "algorithm.h"
namespace libcamera {
@@ -18,16 +16,25 @@ namespace ipa::rkisp1::algorithms {
class Awb : public Algorithm
{
public:
- Awb() = default;
+ Awb();
~Awb() = default;
int configure(IPAContext &context, const IPACameraSensorInfo &configInfo) override;
- void prepare(IPAContext &context, rkisp1_params_cfg *params) override;
- void process(IPAContext &context, IPAFrameContext *frameCtx,
- const rkisp1_stat_buffer *stats) override;
+ void queueRequest(IPAContext &context, const uint32_t frame,
+ IPAFrameContext &frameContext,
+ const ControlList &controls) override;
+ void prepare(IPAContext &context, const uint32_t frame,
+ IPAFrameContext &frameContext,
+ rkisp1_params_cfg *params) override;
+ void process(IPAContext &context, const uint32_t frame,
+ IPAFrameContext &frameContext,
+ const rkisp1_stat_buffer *stats,
+ ControlList &metadata) override;
private:
uint32_t estimateCCT(double red, double green, double blue);
+
+ bool rgbMode_;
};
} /* namespace ipa::rkisp1::algorithms */
diff --git a/src/ipa/rkisp1/algorithms/blc.cpp b/src/ipa/rkisp1/algorithms/blc.cpp
index 3542f61c..d2e74354 100644
--- a/src/ipa/rkisp1/algorithms/blc.cpp
+++ b/src/ipa/rkisp1/algorithms/blc.cpp
@@ -2,11 +2,15 @@
/*
* Copyright (C) 2021-2022, Ideas On Board
*
- * blc.cpp - RkISP1 Black Level Correction control
+ * RkISP1 Black Level Correction control
*/
#include "blc.h"
+#include <libcamera/base/log.h>
+
+#include "libcamera/internal/yaml_parser.h"
+
/**
* \file blc.h
*/
@@ -29,23 +33,54 @@ namespace ipa::rkisp1::algorithms {
* isn't currently supported.
*/
+LOG_DEFINE_CATEGORY(RkISP1Blc)
+
+BlackLevelCorrection::BlackLevelCorrection()
+ : tuningParameters_(false)
+{
+}
+
+/**
+ * \copydoc libcamera::ipa::Algorithm::init
+ */
+int BlackLevelCorrection::init([[maybe_unused]] IPAContext &context,
+ const YamlObject &tuningData)
+{
+ blackLevelRed_ = tuningData["R"].get<int16_t>(256);
+ blackLevelGreenR_ = tuningData["Gr"].get<int16_t>(256);
+ blackLevelGreenB_ = tuningData["Gb"].get<int16_t>(256);
+ blackLevelBlue_ = tuningData["B"].get<int16_t>(256);
+
+ tuningParameters_ = true;
+
+ LOG(RkISP1Blc, Debug)
+ << "Black levels: red " << blackLevelRed_
+ << ", green (red) " << blackLevelGreenR_
+ << ", green (blue) " << blackLevelGreenB_
+ << ", blue " << blackLevelBlue_;
+
+ return 0;
+}
+
/**
* \copydoc libcamera::ipa::Algorithm::prepare
*/
-void BlackLevelCorrection::prepare(IPAContext &context,
+void BlackLevelCorrection::prepare([[maybe_unused]] IPAContext &context,
+ const uint32_t frame,
+ [[maybe_unused]] IPAFrameContext &frameContext,
rkisp1_params_cfg *params)
{
- if (context.frameContext.frameCount > 0)
+ if (frame > 0)
+ return;
+
+ if (!tuningParameters_)
return;
- /*
- * Substract fixed values taken from imx219 tuning file.
- * \todo Use a configuration file for it ?
- */
+
params->others.bls_config.enable_auto = 0;
- params->others.bls_config.fixed_val.r = 256;
- params->others.bls_config.fixed_val.gr = 256;
- params->others.bls_config.fixed_val.gb = 256;
- params->others.bls_config.fixed_val.b = 256;
+ params->others.bls_config.fixed_val.r = blackLevelRed_;
+ params->others.bls_config.fixed_val.gr = blackLevelGreenR_;
+ params->others.bls_config.fixed_val.gb = blackLevelGreenB_;
+ params->others.bls_config.fixed_val.b = blackLevelBlue_;
params->module_en_update |= RKISP1_CIF_ISP_MODULE_BLS;
params->module_ens |= RKISP1_CIF_ISP_MODULE_BLS;
diff --git a/src/ipa/rkisp1/algorithms/blc.h b/src/ipa/rkisp1/algorithms/blc.h
index 69874d8f..460ebcc1 100644
--- a/src/ipa/rkisp1/algorithms/blc.h
+++ b/src/ipa/rkisp1/algorithms/blc.h
@@ -2,28 +2,34 @@
/*
* Copyright (C) 2021-2022, Ideas On Board
*
- * blc.h - RkISP1 Black Level Correction control
+ * RkISP1 Black Level Correction control
*/
#pragma once
-#include <linux/rkisp1-config.h>
-
#include "algorithm.h"
namespace libcamera {
-struct IPACameraSensorInfo;
-
namespace ipa::rkisp1::algorithms {
class BlackLevelCorrection : public Algorithm
{
public:
- BlackLevelCorrection() = default;
+ BlackLevelCorrection();
~BlackLevelCorrection() = default;
- void prepare(IPAContext &context, rkisp1_params_cfg *params) override;
+ int init(IPAContext &context, const YamlObject &tuningData) override;
+ void prepare(IPAContext &context, const uint32_t frame,
+ IPAFrameContext &frameContext,
+ rkisp1_params_cfg *params) override;
+
+private:
+ bool tuningParameters_;
+ int16_t blackLevelRed_;
+ int16_t blackLevelGreenR_;
+ int16_t blackLevelGreenB_;
+ int16_t blackLevelBlue_;
};
} /* namespace ipa::rkisp1::algorithms */
diff --git a/src/ipa/rkisp1/algorithms/cproc.cpp b/src/ipa/rkisp1/algorithms/cproc.cpp
new file mode 100644
index 00000000..68bb8180
--- /dev/null
+++ b/src/ipa/rkisp1/algorithms/cproc.cpp
@@ -0,0 +1,111 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2021-2022, Ideas On Board
+ *
+ * RkISP1 Color Processing control
+ */
+
+#include "cproc.h"
+
+#include <algorithm>
+#include <cmath>
+
+#include <libcamera/base/log.h>
+
+#include <libcamera/control_ids.h>
+
+/**
+ * \file cproc.h
+ */
+
+namespace libcamera {
+
+namespace ipa::rkisp1::algorithms {
+
+/**
+ * \class ColorProcessing
+ * \brief RkISP1 Color Processing control
+ *
+ * The ColorProcessing algorithm is responsible for applying brightness,
+ * contrast and saturation corrections. The values are directly provided
+ * through requests by the corresponding controls.
+ */
+
+LOG_DEFINE_CATEGORY(RkISP1CProc)
+
+/**
+ * \copydoc libcamera::ipa::Algorithm::queueRequest
+ */
+void ColorProcessing::queueRequest(IPAContext &context,
+ [[maybe_unused]] const uint32_t frame,
+ IPAFrameContext &frameContext,
+ const ControlList &controls)
+{
+ auto &cproc = context.activeState.cproc;
+ bool update = false;
+
+ const auto &brightness = controls.get(controls::Brightness);
+ if (brightness) {
+ int value = std::clamp<int>(std::lround(*brightness * 128), -128, 127);
+ if (cproc.brightness != value) {
+ cproc.brightness = value;
+ update = true;
+ }
+
+ LOG(RkISP1CProc, Debug) << "Set brightness to " << value;
+ }
+
+ const auto &contrast = controls.get(controls::Contrast);
+ if (contrast) {
+ int value = std::clamp<int>(std::lround(*contrast * 128), 0, 255);
+ if (cproc.contrast != value) {
+ cproc.contrast = value;
+ update = true;
+ }
+
+ LOG(RkISP1CProc, Debug) << "Set contrast to " << value;
+ }
+
+ const auto saturation = controls.get(controls::Saturation);
+ if (saturation) {
+ int value = std::clamp<int>(std::lround(*saturation * 128), 0, 255);
+ if (cproc.saturation != value) {
+ cproc.saturation = value;
+ update = true;
+ }
+
+ LOG(RkISP1CProc, Debug) << "Set saturation to " << value;
+ }
+
+ frameContext.cproc.brightness = cproc.brightness;
+ frameContext.cproc.contrast = cproc.contrast;
+ frameContext.cproc.saturation = cproc.saturation;
+ frameContext.cproc.update = update;
+}
+
+/**
+ * \copydoc libcamera::ipa::Algorithm::prepare
+ */
+void ColorProcessing::prepare([[maybe_unused]] IPAContext &context,
+ [[maybe_unused]] const uint32_t frame,
+ IPAFrameContext &frameContext,
+ rkisp1_params_cfg *params)
+{
+ /* Check if the algorithm configuration has been updated. */
+ if (!frameContext.cproc.update)
+ return;
+
+ params->others.cproc_config.brightness = frameContext.cproc.brightness;
+ params->others.cproc_config.contrast = frameContext.cproc.contrast;
+ params->others.cproc_config.sat = frameContext.cproc.saturation;
+
+ params->module_en_update |= RKISP1_CIF_ISP_MODULE_CPROC;
+ params->module_ens |= RKISP1_CIF_ISP_MODULE_CPROC;
+ params->module_cfg_update |= RKISP1_CIF_ISP_MODULE_CPROC;
+}
+
+REGISTER_IPA_ALGORITHM(ColorProcessing, "ColorProcessing")
+
+} /* namespace ipa::rkisp1::algorithms */
+
+} /* namespace libcamera */
diff --git a/src/ipa/rkisp1/algorithms/cproc.h b/src/ipa/rkisp1/algorithms/cproc.h
new file mode 100644
index 00000000..bafba5cc
--- /dev/null
+++ b/src/ipa/rkisp1/algorithms/cproc.h
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2021-2022, Ideas On Board
+ *
+ * RkISP1 Color Processing control
+ */
+
+#pragma once
+
+#include <sys/types.h>
+
+#include "algorithm.h"
+
+namespace libcamera {
+
+namespace ipa::rkisp1::algorithms {
+
+class ColorProcessing : public Algorithm
+{
+public:
+ ColorProcessing() = default;
+ ~ColorProcessing() = default;
+
+ void queueRequest(IPAContext &context, const uint32_t frame,
+ IPAFrameContext &frameContext,
+ const ControlList &controls) override;
+ void prepare(IPAContext &context, const uint32_t frame,
+ IPAFrameContext &frameContext,
+ rkisp1_params_cfg *params) override;
+};
+
+} /* namespace ipa::rkisp1::algorithms */
+} /* namespace libcamera */
diff --git a/src/ipa/rkisp1/algorithms/dpcc.cpp b/src/ipa/rkisp1/algorithms/dpcc.cpp
new file mode 100644
index 00000000..b5a339e9
--- /dev/null
+++ b/src/ipa/rkisp1/algorithms/dpcc.cpp
@@ -0,0 +1,251 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2021-2022, Ideas On Board
+ *
+ * RkISP1 Defect Pixel Cluster Correction control
+ */
+
+#include "dpcc.h"
+
+#include <libcamera/base/log.h>
+
+#include "libcamera/internal/yaml_parser.h"
+
+#include "linux/rkisp1-config.h"
+
+/**
+ * \file dpcc.h
+ */
+
+namespace libcamera {
+
+namespace ipa::rkisp1::algorithms {
+
+/**
+ * \class DefectPixelClusterCorrection
+ * \brief RkISP1 Defect Pixel Cluster Correction control
+ *
+ * Depending of the sensor quality, some pixels can be defective and then
+ * appear significantly brighter or darker than the other pixels.
+ *
+ * The Defect Pixel Cluster Correction algorithms is responsible to minimize
+ * the impact of the pixels. This can be done with algorithms applied at run
+ * time (on-the-fly method) or with a table of defective pixels. Only the first
+ * method is supported for the moment.
+ */
+
+LOG_DEFINE_CATEGORY(RkISP1Dpcc)
+
+DefectPixelClusterCorrection::DefectPixelClusterCorrection()
+ : config_({})
+{
+}
+
+/**
+ * \copydoc libcamera::ipa::Algorithm::init
+ */
+int DefectPixelClusterCorrection::init([[maybe_unused]] IPAContext &context,
+ const YamlObject &tuningData)
+{
+ config_.mode = RKISP1_CIF_ISP_DPCC_MODE_STAGE1_ENABLE;
+ config_.output_mode = RKISP1_CIF_ISP_DPCC_OUTPUT_MODE_STAGE1_INCL_G_CENTER
+ | RKISP1_CIF_ISP_DPCC_OUTPUT_MODE_STAGE1_INCL_RB_CENTER;
+
+ config_.set_use = tuningData["fixed-set"].get<bool>(false)
+ ? RKISP1_CIF_ISP_DPCC_SET_USE_STAGE1_USE_FIX_SET : 0;
+
+ /* Get all defined sets to apply (up to 3). */
+ const YamlObject &setsObject = tuningData["sets"];
+ if (!setsObject.isList()) {
+ LOG(RkISP1Dpcc, Error)
+ << "'sets' parameter not found in tuning file";
+ return -EINVAL;
+ }
+
+ if (setsObject.size() > RKISP1_CIF_ISP_DPCC_METHODS_MAX) {
+ LOG(RkISP1Dpcc, Error)
+ << "'sets' size in tuning file (" << setsObject.size()
+ << ") exceeds the maximum hardware capacity (3)";
+ return -EINVAL;
+ }
+
+ for (std::size_t i = 0; i < setsObject.size(); ++i) {
+ struct rkisp1_cif_isp_dpcc_methods_config &method = config_.methods[i];
+ const YamlObject &set = setsObject[i];
+ uint16_t value;
+
+ /* Enable set if described in YAML tuning file. */
+ config_.set_use |= 1 << i;
+
+ /* PG Method */
+ const YamlObject &pgObject = set["pg-factor"];
+
+ if (pgObject.contains("green")) {
+ method.method |=
+ RKISP1_CIF_ISP_DPCC_METHODS_SET_PG_GREEN_ENABLE;
+
+ value = pgObject["green"].get<uint16_t>(0);
+ method.pg_fac |= RKISP1_CIF_ISP_DPCC_PG_FAC_G(value);
+ }
+
+ if (pgObject.contains("red-blue")) {
+ method.method |=
+ RKISP1_CIF_ISP_DPCC_METHODS_SET_PG_RED_BLUE_ENABLE;
+
+ value = pgObject["red-blue"].get<uint16_t>(0);
+ method.pg_fac |= RKISP1_CIF_ISP_DPCC_PG_FAC_RB(value);
+ }
+
+ /* RO Method */
+ const YamlObject &roObject = set["ro-limits"];
+
+ if (roObject.contains("green")) {
+ method.method |=
+ RKISP1_CIF_ISP_DPCC_METHODS_SET_RO_GREEN_ENABLE;
+
+ value = roObject["green"].get<uint16_t>(0);
+ config_.ro_limits |=
+ RKISP1_CIF_ISP_DPCC_RO_LIMITS_n_G(i, value);
+ }
+
+ if (roObject.contains("red-blue")) {
+ method.method |=
+ RKISP1_CIF_ISP_DPCC_METHODS_SET_RO_RED_BLUE_ENABLE;
+
+ value = roObject["red-blue"].get<uint16_t>(0);
+ config_.ro_limits |=
+ RKISP1_CIF_ISP_DPCC_RO_LIMITS_n_RB(i, value);
+ }
+
+ /* RG Method */
+ const YamlObject &rgObject = set["rg-factor"];
+ method.rg_fac = 0;
+
+ if (rgObject.contains("green")) {
+ method.method |=
+ RKISP1_CIF_ISP_DPCC_METHODS_SET_RG_GREEN_ENABLE;
+
+ value = rgObject["green"].get<uint16_t>(0);
+ method.rg_fac |= RKISP1_CIF_ISP_DPCC_RG_FAC_G(value);
+ }
+
+ if (rgObject.contains("red-blue")) {
+ method.method |=
+ RKISP1_CIF_ISP_DPCC_METHODS_SET_RG_RED_BLUE_ENABLE;
+
+ value = rgObject["red-blue"].get<uint16_t>(0);
+ method.rg_fac |= RKISP1_CIF_ISP_DPCC_RG_FAC_RB(value);
+ }
+
+ /* RND Method */
+ const YamlObject &rndOffsetsObject = set["rnd-offsets"];
+
+ if (rndOffsetsObject.contains("green")) {
+ method.method |=
+ RKISP1_CIF_ISP_DPCC_METHODS_SET_RND_GREEN_ENABLE;
+
+ value = rndOffsetsObject["green"].get<uint16_t>(0);
+ config_.rnd_offs |=
+ RKISP1_CIF_ISP_DPCC_RND_OFFS_n_G(i, value);
+ }
+
+ if (rndOffsetsObject.contains("red-blue")) {
+ method.method |=
+ RKISP1_CIF_ISP_DPCC_METHODS_SET_RND_RED_BLUE_ENABLE;
+
+ value = rndOffsetsObject["red-blue"].get<uint16_t>(0);
+ config_.rnd_offs |=
+ RKISP1_CIF_ISP_DPCC_RND_OFFS_n_RB(i, value);
+ }
+
+ const YamlObject &rndThresholdObject = set["rnd-threshold"];
+ method.rnd_thresh = 0;
+
+ if (rndThresholdObject.contains("green")) {
+ method.method |=
+ RKISP1_CIF_ISP_DPCC_METHODS_SET_RND_GREEN_ENABLE;
+
+ value = rndThresholdObject["green"].get<uint16_t>(0);
+ method.rnd_thresh |=
+ RKISP1_CIF_ISP_DPCC_RND_THRESH_G(value);
+ }
+
+ if (rndThresholdObject.contains("red-blue")) {
+ method.method |=
+ RKISP1_CIF_ISP_DPCC_METHODS_SET_RND_RED_BLUE_ENABLE;
+
+ value = rndThresholdObject["red-blue"].get<uint16_t>(0);
+ method.rnd_thresh |=
+ RKISP1_CIF_ISP_DPCC_RND_THRESH_RB(value);
+ }
+
+ /* LC Method */
+ const YamlObject &lcThresholdObject = set["line-threshold"];
+ method.line_thresh = 0;
+
+ if (lcThresholdObject.contains("green")) {
+ method.method |=
+ RKISP1_CIF_ISP_DPCC_METHODS_SET_LC_GREEN_ENABLE;
+
+ value = lcThresholdObject["green"].get<uint16_t>(0);
+ method.line_thresh |=
+ RKISP1_CIF_ISP_DPCC_LINE_THRESH_G(value);
+ }
+
+ if (lcThresholdObject.contains("red-blue")) {
+ method.method |=
+ RKISP1_CIF_ISP_DPCC_METHODS_SET_LC_RED_BLUE_ENABLE;
+
+ value = lcThresholdObject["red-blue"].get<uint16_t>(0);
+ method.line_thresh |=
+ RKISP1_CIF_ISP_DPCC_LINE_THRESH_RB(value);
+ }
+
+ const YamlObject &lcTMadFactorObject = set["line-mad-factor"];
+ method.line_mad_fac = 0;
+
+ if (lcTMadFactorObject.contains("green")) {
+ method.method |=
+ RKISP1_CIF_ISP_DPCC_METHODS_SET_LC_GREEN_ENABLE;
+
+ value = lcTMadFactorObject["green"].get<uint16_t>(0);
+ method.line_mad_fac |=
+ RKISP1_CIF_ISP_DPCC_LINE_MAD_FAC_G(value);
+ }
+
+ if (lcTMadFactorObject.contains("red-blue")) {
+ method.method |=
+ RKISP1_CIF_ISP_DPCC_METHODS_SET_LC_RED_BLUE_ENABLE;
+
+ value = lcTMadFactorObject["red-blue"].get<uint16_t>(0);
+ method.line_mad_fac |=
+ RKISP1_CIF_ISP_DPCC_LINE_MAD_FAC_RB(value);
+ }
+ }
+
+ return 0;
+}
+
+/**
+ * \copydoc libcamera::ipa::Algorithm::prepare
+ */
+void DefectPixelClusterCorrection::prepare([[maybe_unused]] IPAContext &context,
+ const uint32_t frame,
+ [[maybe_unused]] IPAFrameContext &frameContext,
+ rkisp1_params_cfg *params)
+{
+ if (frame > 0)
+ return;
+
+ params->others.dpcc_config = config_;
+
+ params->module_en_update |= RKISP1_CIF_ISP_MODULE_DPCC;
+ params->module_ens |= RKISP1_CIF_ISP_MODULE_DPCC;
+ params->module_cfg_update |= RKISP1_CIF_ISP_MODULE_DPCC;
+}
+
+REGISTER_IPA_ALGORITHM(DefectPixelClusterCorrection, "DefectPixelClusterCorrection")
+
+} /* namespace ipa::rkisp1::algorithms */
+
+} /* namespace libcamera */
diff --git a/src/ipa/rkisp1/algorithms/dpcc.h b/src/ipa/rkisp1/algorithms/dpcc.h
new file mode 100644
index 00000000..d39b7bed
--- /dev/null
+++ b/src/ipa/rkisp1/algorithms/dpcc.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2021-2022, Ideas On Board
+ *
+ * RkISP1 Defect Pixel Cluster Correction control
+ */
+
+#pragma once
+
+#include "algorithm.h"
+
+namespace libcamera {
+
+namespace ipa::rkisp1::algorithms {
+
+class DefectPixelClusterCorrection : public Algorithm
+{
+public:
+ DefectPixelClusterCorrection();
+ ~DefectPixelClusterCorrection() = default;
+
+ int init(IPAContext &context, const YamlObject &tuningData) override;
+ void prepare(IPAContext &context, const uint32_t frame,
+ IPAFrameContext &frameContext,
+ rkisp1_params_cfg *params) override;
+
+private:
+ rkisp1_cif_isp_dpcc_config config_;
+};
+
+} /* namespace ipa::rkisp1::algorithms */
+} /* namespace libcamera */
diff --git a/src/ipa/rkisp1/algorithms/dpf.cpp b/src/ipa/rkisp1/algorithms/dpf.cpp
new file mode 100644
index 00000000..abf95728
--- /dev/null
+++ b/src/ipa/rkisp1/algorithms/dpf.cpp
@@ -0,0 +1,260 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2021-2022, Ideas On Board
+ *
+ * RkISP1 Denoise Pre-Filter control
+ */
+
+#include "dpf.h"
+
+#include <cmath>
+
+#include <libcamera/base/log.h>
+
+#include <libcamera/control_ids.h>
+
+#include "linux/rkisp1-config.h"
+
+/**
+ * \file dpf.h
+ */
+
+namespace libcamera {
+
+namespace ipa::rkisp1::algorithms {
+
+/**
+ * \class Dpf
+ * \brief RkISP1 Denoise Pre-Filter control
+ *
+ * The denoise pre-filter algorithm is a bilateral filter which combines a
+ * range filter and a domain filter. The denoise pre-filter is applied before
+ * demosaicing.
+ */
+
+LOG_DEFINE_CATEGORY(RkISP1Dpf)
+
+Dpf::Dpf()
+ : config_({}), strengthConfig_({})
+{
+}
+
+/**
+ * \copydoc libcamera::ipa::Algorithm::init
+ */
+int Dpf::init([[maybe_unused]] IPAContext &context,
+ const YamlObject &tuningData)
+{
+ std::vector<uint8_t> values;
+
+ /*
+ * The domain kernel is configured with a 9x9 kernel for the green
+ * pixels, and a 13x9 or 9x9 kernel for red and blue pixels.
+ */
+ const YamlObject &dFObject = tuningData["DomainFilter"];
+
+ /*
+ * For the green component, we have the 9x9 kernel specified
+ * as 6 coefficients:
+ * Y
+ * ^
+ * 4 | 6 5 4 5 6
+ * 3 | 5 3 3 5
+ * 2 | 5 3 2 3 5
+ * 1 | 3 1 1 3
+ * 0 - 4 2 0 2 4
+ * -1 | 3 1 1 3
+ * -2 | 5 3 2 3 5
+ * -3 | 5 3 3 5
+ * -4 | 6 5 4 5 6
+ * +---------|--------> X
+ * -4....-1 0 1 2 3 4
+ */
+ values = dFObject["g"].getList<uint8_t>().value_or(std::vector<uint8_t>{});
+ if (values.size() != RKISP1_CIF_ISP_DPF_MAX_SPATIAL_COEFFS) {
+ LOG(RkISP1Dpf, Error)
+ << "Invalid 'DomainFilter:g': expected "
+ << RKISP1_CIF_ISP_DPF_MAX_SPATIAL_COEFFS
+ << " elements, got " << values.size();
+ return -EINVAL;
+ }
+
+ std::copy_n(values.begin(), values.size(),
+ std::begin(config_.g_flt.spatial_coeff));
+
+ config_.g_flt.gr_enable = true;
+ config_.g_flt.gb_enable = true;
+
+ /*
+ * For the red and blue components, we have the 13x9 kernel specified
+ * as 6 coefficients:
+ *
+ * Y
+ * ^
+ * 4 | 6 5 4 3 4 5 6
+ * |
+ * 2 | 5 4 2 1 2 4 5
+ * |
+ * 0 - 5 3 1 0 1 3 5
+ * |
+ * -2 | 5 4 2 1 2 4 5
+ * |
+ * -4 | 6 5 4 3 4 5 6
+ * +-------------|------------> X
+ * -6 -4 -2 0 2 4 6
+ *
+ * For a 9x9 kernel, columns -6 and 6 are dropped, so coefficient
+ * number 6 is not used.
+ */
+ values = dFObject["rb"].getList<uint8_t>().value_or(std::vector<uint8_t>{});
+ if (values.size() != RKISP1_CIF_ISP_DPF_MAX_SPATIAL_COEFFS &&
+ values.size() != RKISP1_CIF_ISP_DPF_MAX_SPATIAL_COEFFS - 1) {
+ LOG(RkISP1Dpf, Error)
+ << "Invalid 'DomainFilter:rb': expected "
+ << RKISP1_CIF_ISP_DPF_MAX_SPATIAL_COEFFS - 1
+ << " or " << RKISP1_CIF_ISP_DPF_MAX_SPATIAL_COEFFS
+ << " elements, got " << values.size();
+ return -EINVAL;
+ }
+
+ config_.rb_flt.fltsize = values.size() == RKISP1_CIF_ISP_DPF_MAX_SPATIAL_COEFFS
+ ? RKISP1_CIF_ISP_DPF_RB_FILTERSIZE_13x9
+ : RKISP1_CIF_ISP_DPF_RB_FILTERSIZE_9x9;
+
+ std::copy_n(values.begin(), values.size(),
+ std::begin(config_.rb_flt.spatial_coeff));
+
+ config_.rb_flt.r_enable = true;
+ config_.rb_flt.b_enable = true;
+
+ /*
+ * The range kernel is configured with a noise level lookup table (NLL)
+ * which stores a piecewise linear function that characterizes the
+ * sensor noise profile as a noise level function curve (NLF).
+ */
+ const YamlObject &rFObject = tuningData["NoiseLevelFunction"];
+
+ std::vector<uint16_t> nllValues;
+ nllValues = rFObject["coeff"].getList<uint16_t>().value_or(std::vector<uint16_t>{});
+ if (nllValues.size() != RKISP1_CIF_ISP_DPF_MAX_NLF_COEFFS) {
+ LOG(RkISP1Dpf, Error)
+ << "Invalid 'RangeFilter:coeff': expected "
+ << RKISP1_CIF_ISP_DPF_MAX_NLF_COEFFS
+ << " elements, got " << nllValues.size();
+ return -EINVAL;
+ }
+
+ std::copy_n(nllValues.begin(), nllValues.size(),
+ std::begin(config_.nll.coeff));
+
+ std::string scaleMode = rFObject["scale-mode"].get<std::string>("");
+ if (scaleMode == "linear") {
+ config_.nll.scale_mode = RKISP1_CIF_ISP_NLL_SCALE_LINEAR;
+ } else if (scaleMode == "logarithmic") {
+ config_.nll.scale_mode = RKISP1_CIF_ISP_NLL_SCALE_LOGARITHMIC;
+ } else {
+ LOG(RkISP1Dpf, Error)
+ << "Invalid 'RangeFilter:scale-mode': expected "
+ << "'linear' or 'logarithmic' value, got "
+ << scaleMode;
+ return -EINVAL;
+ }
+
+ const YamlObject &fSObject = tuningData["FilterStrength"];
+
+ strengthConfig_.r = fSObject["r"].get<uint16_t>(64);
+ strengthConfig_.g = fSObject["g"].get<uint16_t>(64);
+ strengthConfig_.b = fSObject["b"].get<uint16_t>(64);
+
+ return 0;
+}
+
+/**
+ * \copydoc libcamera::ipa::Algorithm::queueRequest
+ */
+void Dpf::queueRequest(IPAContext &context,
+ [[maybe_unused]] const uint32_t frame,
+ IPAFrameContext &frameContext,
+ const ControlList &controls)
+{
+ auto &dpf = context.activeState.dpf;
+ bool update = false;
+
+ const auto &denoise = controls.get(controls::draft::NoiseReductionMode);
+ if (denoise) {
+ LOG(RkISP1Dpf, Debug) << "Set denoise to " << *denoise;
+
+ switch (*denoise) {
+ case controls::draft::NoiseReductionModeOff:
+ if (dpf.denoise) {
+ dpf.denoise = false;
+ update = true;
+ }
+ break;
+ case controls::draft::NoiseReductionModeMinimal:
+ case controls::draft::NoiseReductionModeHighQuality:
+ case controls::draft::NoiseReductionModeFast:
+ if (!dpf.denoise) {
+ dpf.denoise = true;
+ update = true;
+ }
+ break;
+ default:
+ LOG(RkISP1Dpf, Error)
+ << "Unsupported denoise value "
+ << *denoise;
+ break;
+ }
+ }
+
+ frameContext.dpf.denoise = dpf.denoise;
+ frameContext.dpf.update = update;
+}
+
+/**
+ * \copydoc libcamera::ipa::Algorithm::prepare
+ */
+void Dpf::prepare(IPAContext &context, const uint32_t frame,
+ IPAFrameContext &frameContext, rkisp1_params_cfg *params)
+{
+ if (frame == 0) {
+ params->others.dpf_config = config_;
+ params->others.dpf_strength_config = strengthConfig_;
+
+ const auto &awb = context.configuration.awb;
+ const auto &lsc = context.configuration.lsc;
+ auto &mode = params->others.dpf_config.gain.mode;
+
+ /*
+ * The DPF needs to take into account the total amount of
+ * digital gain, which comes from the AWB and LSC modules. The
+ * DPF hardware can be programmed with a digital gain value
+ * manually, but can also use the gains supplied by the AWB and
+ * LSC modules automatically when they are enabled. Use that
+ * mode of operation as it simplifies control of the DPF.
+ */
+ if (awb.enabled && lsc.enabled)
+ mode = RKISP1_CIF_ISP_DPF_GAIN_USAGE_AWB_LSC_GAINS;
+ else if (awb.enabled)
+ mode = RKISP1_CIF_ISP_DPF_GAIN_USAGE_AWB_GAINS;
+ else if (lsc.enabled)
+ mode = RKISP1_CIF_ISP_DPF_GAIN_USAGE_LSC_GAINS;
+ else
+ mode = RKISP1_CIF_ISP_DPF_GAIN_USAGE_DISABLED;
+
+ params->module_cfg_update |= RKISP1_CIF_ISP_MODULE_DPF |
+ RKISP1_CIF_ISP_MODULE_DPF_STRENGTH;
+ }
+
+ if (frameContext.dpf.update) {
+ params->module_en_update |= RKISP1_CIF_ISP_MODULE_DPF;
+ if (frameContext.dpf.denoise)
+ params->module_ens |= RKISP1_CIF_ISP_MODULE_DPF;
+ }
+}
+
+REGISTER_IPA_ALGORITHM(Dpf, "Dpf")
+
+} /* namespace ipa::rkisp1::algorithms */
+
+} /* namespace libcamera */
diff --git a/src/ipa/rkisp1/algorithms/dpf.h b/src/ipa/rkisp1/algorithms/dpf.h
new file mode 100644
index 00000000..da0115ba
--- /dev/null
+++ b/src/ipa/rkisp1/algorithms/dpf.h
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2021-2022, Ideas On Board
+ *
+ * RkISP1 Denoise Pre-Filter control
+ */
+
+#pragma once
+
+#include <sys/types.h>
+
+#include "algorithm.h"
+
+namespace libcamera {
+
+namespace ipa::rkisp1::algorithms {
+
+class Dpf : public Algorithm
+{
+public:
+ Dpf();
+ ~Dpf() = default;
+
+ int init(IPAContext &context, const YamlObject &tuningData) override;
+ void queueRequest(IPAContext &context, const uint32_t frame,
+ IPAFrameContext &frameContext,
+ const ControlList &controls) override;
+ void prepare(IPAContext &context, const uint32_t frame,
+ IPAFrameContext &frameContext,
+ rkisp1_params_cfg *params) override;
+
+private:
+ struct rkisp1_cif_isp_dpf_config config_;
+ struct rkisp1_cif_isp_dpf_strength_config strengthConfig_;
+};
+
+} /* namespace ipa::rkisp1::algorithms */
+} /* namespace libcamera */
diff --git a/src/ipa/rkisp1/algorithms/filter.cpp b/src/ipa/rkisp1/algorithms/filter.cpp
new file mode 100644
index 00000000..9752248a
--- /dev/null
+++ b/src/ipa/rkisp1/algorithms/filter.cpp
@@ -0,0 +1,216 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2021-2022, Ideas On Board
+ *
+ * RkISP1 Filter control
+ */
+
+#include "filter.h"
+
+#include <cmath>
+
+#include <libcamera/base/log.h>
+
+#include <libcamera/control_ids.h>
+
+/**
+ * \file filter.h
+ */
+
+namespace libcamera {
+
+namespace ipa::rkisp1::algorithms {
+
+/**
+ * \class Filter
+ * \brief RkISP1 Filter control
+ *
+ * Denoise and Sharpness filters will be applied by RkISP1 during the
+ * demosaicing step. The denoise filter is responsible for removing noise from
+ * the image, while the sharpness filter will enhance its acutance.
+ *
+ * \todo In current version the denoise and sharpness control is based on user
+ * controls. In a future version it should be controlled automatically by the
+ * algorithm.
+ */
+
+LOG_DEFINE_CATEGORY(RkISP1Filter)
+
+static constexpr uint32_t kFiltLumWeightDefault = 0x00022040;
+static constexpr uint32_t kFiltModeDefault = 0x000004f2;
+
+/**
+ * \copydoc libcamera::ipa::Algorithm::queueRequest
+ */
+void Filter::queueRequest(IPAContext &context,
+ [[maybe_unused]] const uint32_t frame,
+ IPAFrameContext &frameContext,
+ const ControlList &controls)
+{
+ auto &filter = context.activeState.filter;
+ bool update = false;
+
+ const auto &sharpness = controls.get(controls::Sharpness);
+ if (sharpness) {
+ unsigned int value = std::round(std::clamp(*sharpness, 0.0f, 10.0f));
+
+ if (filter.sharpness != value) {
+ filter.sharpness = value;
+ update = true;
+ }
+
+ LOG(RkISP1Filter, Debug) << "Set sharpness to " << *sharpness;
+ }
+
+ const auto &denoise = controls.get(controls::draft::NoiseReductionMode);
+ if (denoise) {
+ LOG(RkISP1Filter, Debug) << "Set denoise to " << *denoise;
+
+ switch (*denoise) {
+ case controls::draft::NoiseReductionModeOff:
+ if (filter.denoise != 0) {
+ filter.denoise = 0;
+ update = true;
+ }
+ break;
+ case controls::draft::NoiseReductionModeMinimal:
+ if (filter.denoise != 1) {
+ filter.denoise = 1;
+ update = true;
+ }
+ break;
+ case controls::draft::NoiseReductionModeHighQuality:
+ case controls::draft::NoiseReductionModeFast:
+ if (filter.denoise != 3) {
+ filter.denoise = 3;
+ update = true;
+ }
+ break;
+ default:
+ LOG(RkISP1Filter, Error)
+ << "Unsupported denoise value "
+ << *denoise;
+ break;
+ }
+ }
+
+ frameContext.filter.denoise = filter.denoise;
+ frameContext.filter.sharpness = filter.sharpness;
+ frameContext.filter.update = update;
+}
+
+/**
+ * \copydoc libcamera::ipa::Algorithm::prepare
+ */
+void Filter::prepare([[maybe_unused]] IPAContext &context,
+ [[maybe_unused]] const uint32_t frame,
+ IPAFrameContext &frameContext, rkisp1_params_cfg *params)
+{
+ /* Check if the algorithm configuration has been updated. */
+ if (!frameContext.filter.update)
+ return;
+
+ static constexpr uint16_t filt_fac_sh0[] = {
+ 0x04, 0x07, 0x0a, 0x0c, 0x10, 0x14, 0x1a, 0x1e, 0x24, 0x2a, 0x30
+ };
+
+ static constexpr uint16_t filt_fac_sh1[] = {
+ 0x04, 0x08, 0x0c, 0x10, 0x16, 0x1b, 0x20, 0x26, 0x2c, 0x30, 0x3f
+ };
+
+ static constexpr uint16_t filt_fac_mid[] = {
+ 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x10, 0x13, 0x17, 0x1d, 0x22, 0x28
+ };
+
+ static constexpr uint16_t filt_fac_bl0[] = {
+ 0x02, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x10, 0x15, 0x1a, 0x24
+ };
+
+ static constexpr uint16_t filt_fac_bl1[] = {
+ 0x00, 0x00, 0x00, 0x02, 0x04, 0x04, 0x06, 0x08, 0x0d, 0x14, 0x20
+ };
+
+ static constexpr uint16_t filt_thresh_sh0[] = {
+ 0, 18, 26, 36, 41, 75, 90, 120, 170, 250, 1023
+ };
+
+ static constexpr uint16_t filt_thresh_sh1[] = {
+ 0, 33, 44, 51, 67, 100, 120, 150, 200, 300, 1023
+ };
+
+ static constexpr uint16_t filt_thresh_bl0[] = {
+ 0, 8, 13, 23, 26, 50, 60, 80, 140, 180, 1023
+ };
+
+ static constexpr uint16_t filt_thresh_bl1[] = {
+ 0, 2, 5, 10, 15, 20, 26, 51, 100, 150, 1023
+ };
+
+ static constexpr uint16_t stage1_select[] = {
+ 6, 6, 4, 4, 3, 3, 2, 2, 2, 1, 0
+ };
+
+ static constexpr uint16_t filt_chr_v_mode[] = {
+ 1, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3
+ };
+
+ static constexpr uint16_t filt_chr_h_mode[] = {
+ 0, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3
+ };
+
+ uint8_t denoise = frameContext.filter.denoise;
+ uint8_t sharpness = frameContext.filter.sharpness;
+ auto &flt_config = params->others.flt_config;
+
+ flt_config.fac_sh0 = filt_fac_sh0[sharpness];
+ flt_config.fac_sh1 = filt_fac_sh1[sharpness];
+ flt_config.fac_mid = filt_fac_mid[sharpness];
+ flt_config.fac_bl0 = filt_fac_bl0[sharpness];
+ flt_config.fac_bl1 = filt_fac_bl1[sharpness];
+
+ flt_config.lum_weight = kFiltLumWeightDefault;
+ flt_config.mode = kFiltModeDefault;
+ flt_config.thresh_sh0 = filt_thresh_sh0[denoise];
+ flt_config.thresh_sh1 = filt_thresh_sh1[denoise];
+ flt_config.thresh_bl0 = filt_thresh_bl0[denoise];
+ flt_config.thresh_bl1 = filt_thresh_bl1[denoise];
+ flt_config.grn_stage1 = stage1_select[denoise];
+ flt_config.chr_v_mode = filt_chr_v_mode[denoise];
+ flt_config.chr_h_mode = filt_chr_h_mode[denoise];
+
+ /*
+ * Combined high denoising and high sharpening requires some
+ * adjustments to the configuration of the filters. A first stage
+ * filter with a lower strength must be selected, and the blur factors
+ * must be decreased.
+ */
+ if (denoise == 9) {
+ if (sharpness > 3)
+ flt_config.grn_stage1 = 2;
+ } else if (denoise == 10) {
+ if (sharpness > 5)
+ flt_config.grn_stage1 = 2;
+ else if (sharpness > 3)
+ flt_config.grn_stage1 = 1;
+ }
+
+ if (denoise > 7) {
+ if (sharpness > 7) {
+ flt_config.fac_bl0 /= 2;
+ flt_config.fac_bl1 /= 4;
+ } else if (sharpness > 4) {
+ flt_config.fac_bl0 = flt_config.fac_bl0 * 3 / 4;
+ flt_config.fac_bl1 /= 2;
+ }
+ }
+
+ params->module_en_update |= RKISP1_CIF_ISP_MODULE_FLT;
+ params->module_ens |= RKISP1_CIF_ISP_MODULE_FLT;
+ params->module_cfg_update |= RKISP1_CIF_ISP_MODULE_FLT;
+}
+
+REGISTER_IPA_ALGORITHM(Filter, "Filter")
+
+} /* namespace ipa::rkisp1::algorithms */
+
+} /* namespace libcamera */
diff --git a/src/ipa/rkisp1/algorithms/filter.h b/src/ipa/rkisp1/algorithms/filter.h
new file mode 100644
index 00000000..d595811d
--- /dev/null
+++ b/src/ipa/rkisp1/algorithms/filter.h
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2021-2022, Ideas On Board
+ *
+ * RkISP1 Filter control
+ */
+
+#pragma once
+
+#include <sys/types.h>
+
+#include "algorithm.h"
+
+namespace libcamera {
+
+namespace ipa::rkisp1::algorithms {
+
+class Filter : public Algorithm
+{
+public:
+ Filter() = default;
+ ~Filter() = default;
+
+ void queueRequest(IPAContext &context, const uint32_t frame,
+ IPAFrameContext &frameContext,
+ const ControlList &controls) override;
+ void prepare(IPAContext &context, const uint32_t frame,
+ IPAFrameContext &frameContext,
+ rkisp1_params_cfg *params) override;
+};
+
+} /* namespace ipa::rkisp1::algorithms */
+} /* namespace libcamera */
diff --git a/src/ipa/rkisp1/algorithms/gsl.cpp b/src/ipa/rkisp1/algorithms/gsl.cpp
new file mode 100644
index 00000000..9b056c6e
--- /dev/null
+++ b/src/ipa/rkisp1/algorithms/gsl.cpp
@@ -0,0 +1,146 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2021-2022, Ideas On Board
+ *
+ * RkISP1 Gamma Sensor Linearization control
+ */
+
+#include "gsl.h"
+
+#include <libcamera/base/log.h>
+#include <libcamera/base/utils.h>
+
+#include "libcamera/internal/yaml_parser.h"
+
+#include "linux/rkisp1-config.h"
+
+/**
+ * \file gsl.h
+ */
+
+namespace libcamera {
+
+namespace ipa::rkisp1::algorithms {
+
+/**
+ * \class GammaSensorLinearization
+ * \brief RkISP1 Gamma Sensor Linearization control
+ *
+ * This algorithm linearizes the sensor output to compensate the sensor
+ * non-linearities by applying piecewise linear functions to the red, green and
+ * blue channels.
+ *
+ * The curves are specified in the tuning data and defined using 17 points.
+ *
+ * - The X coordinates are expressed using 16 intervals, with the first point
+ * at X coordinate 0. Each interval is expressed as a 2-bit value DX (from
+ * GAMMA_DX_1 to GAMMA_DX_16), stored in the RKISP1_CIF_ISP_GAMMA_DX_LO and
+ * RKISP1_CIF_ISP_GAMMA_DX_HI registers. The real interval is equal to
+ * \f$2^{dx+4}\f$. X coordinates are shared between the red, green and blue
+ * curves.
+ *
+ * - The Y coordinates are specified as 17 values separately for the
+ * red, green and blue channels, with a 12-bit resolution. Each value must be
+ * in the [-2048, 2047] range compared to the previous value.
+ */
+
+LOG_DEFINE_CATEGORY(RkISP1Gsl)
+
+static constexpr unsigned int kDegammaXIntervals = 16;
+
+GammaSensorLinearization::GammaSensorLinearization()
+{
+}
+
+/**
+ * \copydoc libcamera::ipa::Algorithm::init
+ */
+int GammaSensorLinearization::init([[maybe_unused]] IPAContext &context,
+ const YamlObject &tuningData)
+{
+ std::vector<uint16_t> xIntervals =
+ tuningData["x-intervals"].getList<uint16_t>().value_or(std::vector<uint16_t>{});
+ if (xIntervals.size() != kDegammaXIntervals) {
+ LOG(RkISP1Gsl, Error)
+ << "Invalid 'x' coordinates: expected "
+ << kDegammaXIntervals << " elements, got "
+ << xIntervals.size();
+
+ return -EINVAL;
+ }
+
+ /* Compute gammaDx_ intervals from xIntervals values */
+ gammaDx_[0] = 0;
+ gammaDx_[1] = 0;
+ for (unsigned int i = 0; i < kDegammaXIntervals; ++i)
+ gammaDx_[i / 8] |= (xIntervals[i] & 0x07) << ((i % 8) * 4);
+
+ const YamlObject &yObject = tuningData["y"];
+ if (!yObject.isDictionary()) {
+ LOG(RkISP1Gsl, Error)
+ << "Issue while parsing 'y' in tuning file: "
+ << "entry must be a dictionary";
+ return -EINVAL;
+ }
+
+ curveYr_ = yObject["red"].getList<uint16_t>().value_or(std::vector<uint16_t>{});
+ if (curveYr_.size() != RKISP1_CIF_ISP_DEGAMMA_CURVE_SIZE) {
+ LOG(RkISP1Gsl, Error)
+ << "Invalid 'y:red' coordinates: expected "
+ << RKISP1_CIF_ISP_DEGAMMA_CURVE_SIZE
+ << " elements, got " << curveYr_.size();
+ return -EINVAL;
+ }
+
+ curveYg_ = yObject["green"].getList<uint16_t>().value_or(std::vector<uint16_t>{});
+ if (curveYg_.size() != RKISP1_CIF_ISP_DEGAMMA_CURVE_SIZE) {
+ LOG(RkISP1Gsl, Error)
+ << "Invalid 'y:green' coordinates: expected "
+ << RKISP1_CIF_ISP_DEGAMMA_CURVE_SIZE
+ << " elements, got " << curveYg_.size();
+ return -EINVAL;
+ }
+
+ curveYb_ = yObject["blue"].getList<uint16_t>().value_or(std::vector<uint16_t>{});
+ if (curveYb_.size() != RKISP1_CIF_ISP_DEGAMMA_CURVE_SIZE) {
+ LOG(RkISP1Gsl, Error)
+ << "Invalid 'y:blue' coordinates: expected "
+ << RKISP1_CIF_ISP_DEGAMMA_CURVE_SIZE
+ << " elements, got " << curveYb_.size();
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+/**
+ * \copydoc libcamera::ipa::Algorithm::prepare
+ */
+void GammaSensorLinearization::prepare([[maybe_unused]] IPAContext &context,
+ const uint32_t frame,
+ [[maybe_unused]] IPAFrameContext &frameContext,
+ rkisp1_params_cfg *params)
+{
+ if (frame > 0)
+ return;
+
+ params->others.sdg_config.xa_pnts.gamma_dx0 = gammaDx_[0];
+ params->others.sdg_config.xa_pnts.gamma_dx1 = gammaDx_[1];
+
+ std::copy(curveYr_.begin(), curveYr_.end(),
+ params->others.sdg_config.curve_r.gamma_y);
+ std::copy(curveYg_.begin(), curveYg_.end(),
+ params->others.sdg_config.curve_g.gamma_y);
+ std::copy(curveYb_.begin(), curveYb_.end(),
+ params->others.sdg_config.curve_b.gamma_y);
+
+ params->module_en_update |= RKISP1_CIF_ISP_MODULE_SDG;
+ params->module_ens |= RKISP1_CIF_ISP_MODULE_SDG;
+ params->module_cfg_update |= RKISP1_CIF_ISP_MODULE_SDG;
+}
+
+REGISTER_IPA_ALGORITHM(GammaSensorLinearization, "GammaSensorLinearization")
+
+} /* namespace ipa::rkisp1::algorithms */
+
+} /* namespace libcamera */
diff --git a/src/ipa/rkisp1/algorithms/gsl.h b/src/ipa/rkisp1/algorithms/gsl.h
new file mode 100644
index 00000000..c404105e
--- /dev/null
+++ b/src/ipa/rkisp1/algorithms/gsl.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2021-2022, Ideas On Board
+ *
+ * RkISP1 Gamma Sensor Linearization control
+ */
+
+#pragma once
+
+#include "algorithm.h"
+
+namespace libcamera {
+
+namespace ipa::rkisp1::algorithms {
+
+class GammaSensorLinearization : public Algorithm
+{
+public:
+ GammaSensorLinearization();
+ ~GammaSensorLinearization() = default;
+
+ int init(IPAContext &context, const YamlObject &tuningData) override;
+ void prepare(IPAContext &context, const uint32_t frame,
+ IPAFrameContext &frameContext,
+ rkisp1_params_cfg *params) override;
+
+private:
+ uint32_t gammaDx_[2];
+ std::vector<uint16_t> curveYr_;
+ std::vector<uint16_t> curveYg_;
+ std::vector<uint16_t> curveYb_;
+};
+
+} /* namespace ipa::rkisp1::algorithms */
+} /* namespace libcamera */
diff --git a/src/ipa/rkisp1/algorithms/lsc.cpp b/src/ipa/rkisp1/algorithms/lsc.cpp
new file mode 100644
index 00000000..161183fc
--- /dev/null
+++ b/src/ipa/rkisp1/algorithms/lsc.cpp
@@ -0,0 +1,342 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2021-2022, Ideas On Board
+ *
+ * RkISP1 Lens Shading Correction control
+ */
+
+#include "lsc.h"
+
+#include <algorithm>
+#include <cmath>
+#include <numeric>
+
+#include <libcamera/base/log.h>
+#include <libcamera/base/utils.h>
+
+#include "libcamera/internal/yaml_parser.h"
+
+#include "linux/rkisp1-config.h"
+
+/**
+ * \file lsc.h
+ */
+
+namespace libcamera {
+
+namespace ipa::rkisp1::algorithms {
+
+/**
+ * \class LensShadingCorrection
+ * \brief RkISP1 Lens Shading Correction control
+ *
+ * Due to the optical characteristics of the lens, the light intensity received
+ * by the sensor is not uniform.
+ *
+ * The Lens Shading Correction algorithm applies multipliers to all pixels
+ * to compensate for the lens shading effect. The coefficients are
+ * specified in a downscaled table in the YAML tuning file.
+ */
+
+LOG_DEFINE_CATEGORY(RkISP1Lsc)
+
+static std::vector<double> parseSizes(const YamlObject &tuningData,
+ const char *prop)
+{
+ std::vector<double> sizes =
+ tuningData[prop].getList<double>().value_or(std::vector<double>{});
+ if (sizes.size() != RKISP1_CIF_ISP_LSC_SECTORS_TBL_SIZE) {
+ LOG(RkISP1Lsc, Error)
+ << "Invalid '" << prop << "' values: expected "
+ << RKISP1_CIF_ISP_LSC_SECTORS_TBL_SIZE
+ << " elements, got " << sizes.size();
+ return {};
+ }
+
+ /*
+ * The sum of all elements must be 0.5 to satisfy hardware constraints.
+ * Validate it here, allowing a 1% tolerance as rounding errors may
+ * prevent an exact match (further adjustments will be performed in
+ * LensShadingCorrection::prepare()).
+ */
+ double sum = std::accumulate(sizes.begin(), sizes.end(), 0.0);
+ if (sum < 0.495 || sum > 0.505) {
+ LOG(RkISP1Lsc, Error)
+ << "Invalid '" << prop << "' values: sum of the elements"
+ << " should be 0.5, got " << sum;
+ return {};
+ }
+
+ return sizes;
+}
+
+static std::vector<uint16_t> parseTable(const YamlObject &tuningData,
+ const char *prop)
+{
+ static constexpr unsigned int kLscNumSamples =
+ RKISP1_CIF_ISP_LSC_SAMPLES_MAX * RKISP1_CIF_ISP_LSC_SAMPLES_MAX;
+
+ std::vector<uint16_t> table =
+ tuningData[prop].getList<uint16_t>().value_or(std::vector<uint16_t>{});
+ if (table.size() != kLscNumSamples) {
+ LOG(RkISP1Lsc, Error)
+ << "Invalid '" << prop << "' values: expected "
+ << kLscNumSamples
+ << " elements, got " << table.size();
+ return {};
+ }
+
+ return table;
+}
+
+LensShadingCorrection::LensShadingCorrection()
+ : lastCt_({ 0, 0 })
+{
+}
+
+/**
+ * \copydoc libcamera::ipa::Algorithm::init
+ */
+int LensShadingCorrection::init([[maybe_unused]] IPAContext &context,
+ const YamlObject &tuningData)
+{
+ xSize_ = parseSizes(tuningData, "x-size");
+ ySize_ = parseSizes(tuningData, "y-size");
+
+ if (xSize_.empty() || ySize_.empty())
+ return -EINVAL;
+
+ /* Get all defined sets to apply. */
+ const YamlObject &yamlSets = tuningData["sets"];
+ if (!yamlSets.isList()) {
+ LOG(RkISP1Lsc, Error)
+ << "'sets' parameter not found in tuning file";
+ return -EINVAL;
+ }
+
+ const auto &sets = yamlSets.asList();
+ for (const auto &yamlSet : sets) {
+ uint32_t ct = yamlSet["ct"].get<uint32_t>(0);
+
+ if (sets_.count(ct)) {
+ LOG(RkISP1Lsc, Error)
+ << "Multiple sets found for color temperature "
+ << ct;
+ return -EINVAL;
+ }
+
+ Components &set = sets_[ct];
+
+ set.ct = ct;
+ set.r = parseTable(yamlSet, "r");
+ set.gr = parseTable(yamlSet, "gr");
+ set.gb = parseTable(yamlSet, "gb");
+ set.b = parseTable(yamlSet, "b");
+
+ if (set.r.empty() || set.gr.empty() ||
+ set.gb.empty() || set.b.empty()) {
+ LOG(RkISP1Lsc, Error)
+ << "Set for color temperature " << ct
+ << " is missing tables";
+ return -EINVAL;
+ }
+ }
+
+ if (sets_.empty()) {
+ LOG(RkISP1Lsc, Error) << "Failed to load any sets";
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+/**
+ * \copydoc libcamera::ipa::Algorithm::configure
+ */
+int LensShadingCorrection::configure(IPAContext &context,
+ [[maybe_unused]] const IPACameraSensorInfo &configInfo)
+{
+ const Size &size = context.configuration.sensor.size;
+ Size totalSize{};
+
+ for (unsigned int i = 0; i < RKISP1_CIF_ISP_LSC_SECTORS_TBL_SIZE; ++i) {
+ xSizes_[i] = xSize_[i] * size.width;
+ ySizes_[i] = ySize_[i] * size.height;
+
+ /*
+ * To prevent unexpected behavior of the ISP, the sum of x_size_tbl and
+ * y_size_tbl items shall be equal to respectively size.width/2 and
+ * size.height/2. Enforce it by computing the last tables value to avoid
+ * rounding-induced errors.
+ */
+ if (i == RKISP1_CIF_ISP_LSC_SECTORS_TBL_SIZE - 1) {
+ xSizes_[i] = size.width / 2 - totalSize.width;
+ ySizes_[i] = size.height / 2 - totalSize.height;
+ }
+
+ totalSize.width += xSizes_[i];
+ totalSize.height += ySizes_[i];
+
+ xGrad_[i] = std::round(32768 / xSizes_[i]);
+ yGrad_[i] = std::round(32768 / ySizes_[i]);
+ }
+
+ context.configuration.lsc.enabled = true;
+ return 0;
+}
+
+void LensShadingCorrection::setParameters(rkisp1_params_cfg *params)
+{
+ struct rkisp1_cif_isp_lsc_config &config = params->others.lsc_config;
+
+ memcpy(config.x_grad_tbl, xGrad_, sizeof(config.x_grad_tbl));
+ memcpy(config.y_grad_tbl, yGrad_, sizeof(config.y_grad_tbl));
+ memcpy(config.x_size_tbl, xSizes_, sizeof(config.x_size_tbl));
+ memcpy(config.y_size_tbl, ySizes_, sizeof(config.y_size_tbl));
+
+ params->module_en_update |= RKISP1_CIF_ISP_MODULE_LSC;
+ params->module_ens |= RKISP1_CIF_ISP_MODULE_LSC;
+ params->module_cfg_update |= RKISP1_CIF_ISP_MODULE_LSC;
+}
+
+void LensShadingCorrection::copyTable(rkisp1_cif_isp_lsc_config &config,
+ const Components &set)
+{
+ std::copy(set.r.begin(), set.r.end(), &config.r_data_tbl[0][0]);
+ std::copy(set.gr.begin(), set.gr.end(), &config.gr_data_tbl[0][0]);
+ std::copy(set.gb.begin(), set.gb.end(), &config.gb_data_tbl[0][0]);
+ std::copy(set.b.begin(), set.b.end(), &config.b_data_tbl[0][0]);
+}
+
+/*
+ * Interpolate LSC parameters based on color temperature value.
+ */
+void LensShadingCorrection::interpolateTable(rkisp1_cif_isp_lsc_config &config,
+ const Components &set0,
+ const Components &set1,
+ const uint32_t ct)
+{
+ double coeff0 = (set1.ct - ct) / static_cast<double>(set1.ct - set0.ct);
+ double coeff1 = (ct - set0.ct) / static_cast<double>(set1.ct - set0.ct);
+
+ for (unsigned int i = 0; i < RKISP1_CIF_ISP_LSC_SAMPLES_MAX; ++i) {
+ for (unsigned int j = 0; j < RKISP1_CIF_ISP_LSC_SAMPLES_MAX; ++j) {
+ unsigned int sample = i * RKISP1_CIF_ISP_LSC_SAMPLES_MAX + j;
+
+ config.r_data_tbl[i][j] =
+ set0.r[sample] * coeff0 +
+ set1.r[sample] * coeff1;
+
+ config.gr_data_tbl[i][j] =
+ set0.gr[sample] * coeff0 +
+ set1.gr[sample] * coeff1;
+
+ config.gb_data_tbl[i][j] =
+ set0.gb[sample] * coeff0 +
+ set1.gb[sample] * coeff1;
+
+ config.b_data_tbl[i][j] =
+ set0.b[sample] * coeff0 +
+ set1.b[sample] * coeff1;
+ }
+ }
+}
+
+/**
+ * \copydoc libcamera::ipa::Algorithm::prepare
+ */
+void LensShadingCorrection::prepare(IPAContext &context,
+ const uint32_t frame,
+ [[maybe_unused]] IPAFrameContext &frameContext,
+ rkisp1_params_cfg *params)
+{
+ struct rkisp1_cif_isp_lsc_config &config = params->others.lsc_config;
+
+ /*
+ * If there is only one set, the configuration has already been done
+ * for first frame.
+ */
+ if (sets_.size() == 1 && frame > 0)
+ return;
+
+ /*
+ * If there is only one set, pick it. We can ignore lastCt_, as it will
+ * never be relevant.
+ */
+ if (sets_.size() == 1) {
+ setParameters(params);
+ copyTable(config, sets_.cbegin()->second);
+ return;
+ }
+
+ uint32_t ct = context.activeState.awb.temperatureK;
+ ct = std::clamp(ct, sets_.cbegin()->first, sets_.crbegin()->first);
+
+ /*
+ * If the original is the same, then it means the same adjustment would
+ * be made. If the adjusted is the same, then it means that it's the
+ * same as what was actually applied. Thus in these cases we can skip
+ * reprogramming the LSC.
+ *
+ * original == adjusted can only happen if an interpolation
+ * happened, or if original has an exact entry in sets_. This means
+ * that if original != adjusted, then original was adjusted to
+ * the nearest available entry in sets_, resulting in adjusted.
+ * Clearly, any ct value that is in between original and adjusted
+ * will be adjusted to the same adjusted value, so we can skip
+ * reprogramming the LSC table.
+ *
+ * We also skip updating the original value, as the last one had a
+ * larger bound and thus a larger range of ct values that will be
+ * adjusted to the same adjusted.
+ */
+ if ((lastCt_.original <= ct && ct <= lastCt_.adjusted) ||
+ (lastCt_.adjusted <= ct && ct <= lastCt_.original))
+ return;
+
+ setParameters(params);
+
+ /*
+ * The color temperature matches exactly one of the available LSC tables.
+ */
+ if (sets_.count(ct)) {
+ copyTable(config, sets_[ct]);
+ lastCt_ = { ct, ct };
+ return;
+ }
+
+ /* No shortcuts left; we need to round or interpolate */
+ auto iter = sets_.upper_bound(ct);
+ const Components &set1 = iter->second;
+ const Components &set0 = (--iter)->second;
+ uint32_t ct0 = set0.ct;
+ uint32_t ct1 = set1.ct;
+ uint32_t diff0 = ct - ct0;
+ uint32_t diff1 = ct1 - ct;
+ static constexpr double kThreshold = 0.1;
+ float threshold = kThreshold * (ct1 - ct0);
+
+ if (diff0 < threshold || diff1 < threshold) {
+ const Components &set = diff0 < diff1 ? set0 : set1;
+ LOG(RkISP1Lsc, Debug) << "using LSC table for " << set.ct;
+ copyTable(config, set);
+ lastCt_ = { ct, set.ct };
+ return;
+ }
+
+ /*
+ * ct is not within 10% of the difference between the neighbouring
+ * color temperatures, so we need to interpolate.
+ */
+ LOG(RkISP1Lsc, Debug)
+ << "ct is " << ct << ", interpolating between "
+ << ct0 << " and " << ct1;
+ interpolateTable(config, set0, set1, ct);
+ lastCt_ = { ct, ct };
+}
+
+REGISTER_IPA_ALGORITHM(LensShadingCorrection, "LensShadingCorrection")
+
+} /* namespace ipa::rkisp1::algorithms */
+
+} /* namespace libcamera */
diff --git a/src/ipa/rkisp1/algorithms/lsc.h b/src/ipa/rkisp1/algorithms/lsc.h
new file mode 100644
index 00000000..5baf5927
--- /dev/null
+++ b/src/ipa/rkisp1/algorithms/lsc.h
@@ -0,0 +1,59 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2021-2022, Ideas On Board
+ *
+ * RkISP1 Lens Shading Correction control
+ */
+
+#pragma once
+
+#include <map>
+
+#include "algorithm.h"
+
+namespace libcamera {
+
+namespace ipa::rkisp1::algorithms {
+
+class LensShadingCorrection : public Algorithm
+{
+public:
+ LensShadingCorrection();
+ ~LensShadingCorrection() = default;
+
+ int init(IPAContext &context, const YamlObject &tuningData) override;
+ int configure(IPAContext &context, const IPACameraSensorInfo &configInfo) override;
+ void prepare(IPAContext &context, const uint32_t frame,
+ IPAFrameContext &frameContext,
+ rkisp1_params_cfg *params) override;
+
+private:
+ struct Components {
+ uint32_t ct;
+ std::vector<uint16_t> r;
+ std::vector<uint16_t> gr;
+ std::vector<uint16_t> gb;
+ std::vector<uint16_t> b;
+ };
+
+ void setParameters(rkisp1_params_cfg *params);
+ void copyTable(rkisp1_cif_isp_lsc_config &config, const Components &set0);
+ void interpolateTable(rkisp1_cif_isp_lsc_config &config,
+ const Components &set0, const Components &set1,
+ const uint32_t ct);
+
+ std::map<uint32_t, Components> sets_;
+ std::vector<double> xSize_;
+ std::vector<double> ySize_;
+ uint16_t xGrad_[RKISP1_CIF_ISP_LSC_SECTORS_TBL_SIZE];
+ uint16_t yGrad_[RKISP1_CIF_ISP_LSC_SECTORS_TBL_SIZE];
+ uint16_t xSizes_[RKISP1_CIF_ISP_LSC_SECTORS_TBL_SIZE];
+ uint16_t ySizes_[RKISP1_CIF_ISP_LSC_SECTORS_TBL_SIZE];
+ struct {
+ uint32_t original;
+ uint32_t adjusted;
+ } lastCt_;
+};
+
+} /* namespace ipa::rkisp1::algorithms */
+} /* namespace libcamera */
diff --git a/src/ipa/rkisp1/algorithms/meson.build b/src/ipa/rkisp1/algorithms/meson.build
index 7ec53d89..93a48329 100644
--- a/src/ipa/rkisp1/algorithms/meson.build
+++ b/src/ipa/rkisp1/algorithms/meson.build
@@ -4,4 +4,10 @@ rkisp1_ipa_algorithms = files([
'agc.cpp',
'awb.cpp',
'blc.cpp',
+ 'cproc.cpp',
+ 'dpcc.cpp',
+ 'dpf.cpp',
+ 'filter.cpp',
+ 'gsl.cpp',
+ 'lsc.cpp',
])
diff --git a/src/ipa/rkisp1/data/imx219.yaml b/src/ipa/rkisp1/data/imx219.yaml
index 232d8ae8..cbcc43b8 100644
--- a/src/ipa/rkisp1/data/imx219.yaml
+++ b/src/ipa/rkisp1/data/imx219.yaml
@@ -1,5 +1,5 @@
# SPDX-License-Identifier: CC0-1.0
-%YAML 1.2
+%YAML 1.1
---
version: 1
algorithms:
@@ -10,4 +10,109 @@ algorithms:
Gr: 256
Gb: 256
B: 256
+ - LensShadingCorrection:
+ x-size: [ 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625 ]
+ y-size: [ 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625 ]
+ sets:
+ - ct: 5800
+ r: [
+ 1501, 1480, 1478, 1362, 1179, 1056, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1030, 1053, 1134, 1185, 1520, 1480, 1463, 1179, 1056, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1027, 1046, 1134, 1533, 1471, 1179, 1056, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1025, 1039, 1471,
+ 1314, 1068, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1025, 1314, 1150, 1028, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1150, 1050, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1076, 1026,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1052, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1050, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1050, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1050, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1025, 1086, 1037, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1025, 1057, 1182, 1071, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1057, 1161,
+ 1345, 1146, 1027, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1036, 1161, 1298, 1612, 1328, 1089, 1025, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1025, 1036, 1161, 1324, 1463, 1884, 1651, 1339, 1103, 1032,
+ 1025, 1024, 1024, 1024, 1024, 1025, 1038, 1101, 1204, 1324, 1463, 1497, 1933,
+ 1884, 1587, 1275, 1079, 1052, 1046, 1046, 1046, 1046, 1055, 1101, 1204, 1336,
+ 1487, 1493, 1476,
+ ]
+ gr: [
+ 1262, 1250, 1094, 1027, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1250, 1095, 1028, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1095, 1030, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1030,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1025, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1041, 1051, 1025, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1051, 1165, 1088,
+ 1051, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1051, 1165, 1261,
+ ]
+ gb: [
+ 1259, 1248, 1092, 1027, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1248, 1092, 1027, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1092, 1029, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1029,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1025, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1041, 1051, 1025, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1052, 1166, 1090,
+ 1051, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1052, 1166, 1266,
+ ]
+ b: [
+ 1380, 1378, 1377, 1247, 1080, 1025, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1030, 1406, 1378, 1284, 1092, 1027, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1406, 1338, 1129, 1029, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1338,
+ 1205, 1043, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1205, 1094, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1116, 1039, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1070, 1025,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1052, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1052, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1052, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1052, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1070, 1025, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1025, 1109, 1036, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1025, 1057,
+ 1175, 1082, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1057, 1176, 1293, 1172, 1036, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1054, 1185, 1334, 1438, 1294, 1099, 1025, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1054, 1185, 1334, 1334, 1462,
+ 1438, 1226, 1059, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1025, 1054, 1185,
+ 1326, 1334, 1334,
+ ]
...
diff --git a/src/ipa/rkisp1/data/imx258.yaml b/src/ipa/rkisp1/data/imx258.yaml
new file mode 100644
index 00000000..43dddf20
--- /dev/null
+++ b/src/ipa/rkisp1/data/imx258.yaml
@@ -0,0 +1,54 @@
+# SPDX-License-Identifier: CC0-1.0
+%YAML 1.1
+---
+version: 1
+algorithms:
+ - Agc:
+ - Awb:
+ - LensShadingCorrection:
+ x-size: [ 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625 ]
+ y-size: [ 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625 ]
+ sets:
+ #4208x3120_A_70 - A
+ - ct: 2856
+ resolution: 4208x3120
+ r: [1483, 1423, 1410, 1414, 1417, 1384, 1356, 1348, 1349, 1348, 1393, 1392, 1409, 1444, 1460, 1475, 1568, 1462, 1409, 1398, 1391, 1361, 1343, 1328, 1312, 1316, 1325, 1328, 1372, 1395, 1427, 1410, 1440, 1525, 1441, 1366, 1373, 1364, 1338, 1312, 1287, 1270, 1262, 1267, 1305, 1339, 1380, 1402, 1425, 1424, 1510, 1423, 1376, 1375, 1353, 1309, 1253, 1220, 1201, 1192, 1203, 1243, 1286, 1338, 1375, 1427, 1438, 1499, 1405, 1353, 1354, 1331, 1269, 1207, 1169, 1140, 1137, 1145, 1186, 1246, 1309, 1373, 1399, 1438, 1512, 1391, 1349, 1351, 1306, 1236, 1174, 1121, 1089, 1083, 1098, 1139, 1202, 1276, 1349, 1384, 1428, 1494, 1401, 1337, 1336, 1277, 1211, 1138, 1082, 1057, 1053, 1067, 1110, 1166, 1253, 1331, 1375, 1417, 1485, 1401, 1341, 1316, 1269, 1184, 1115, 1063, 1037, 1029, 1042, 1082, 1144, 1234, 1322, 1368, 1405, 1480, 1387, 1329, 1305, 1257, 1179, 1104, 1049, 1028, 1024, 1037, 1078, 1144, 1231, 1312, 1363, 1404, 1456, 1401, 1341, 1313, 1254, 1177, 1104, 1053, 1041, 1026, 1042, 1082, 1149, 1229, 1322, 1372, 1397, 1457, 1397, 1344, 1312, 1271, 1191, 1122, 1070, 1052, 1044, 1061, 1097, 1166, 1245, 1334, 1382, 1405, 1476, 1400, 1342, 1333, 1293, 1213, 1146, 1099, 1073, 1061, 1081, 1134, 1202, 1273, 1332, 1380, 1411, 1484, 1414, 1350, 1344, 1301, 1251, 1181, 1133, 1109, 1100, 1118, 1164, 1218, 1299, 1338, 1373, 1408, 1459, 1397, 1360, 1342, 1339, 1293, 1231, 1181, 1149, 1155, 1161, 1202, 1256, 1315, 1364, 1383, 1396, 1479, 1382, 1342, 1358, 1346, 1314, 1284, 1231, 1210, 1198, 1224, 1251, 1303, 1338, 1361, 1381, 1394, 1455, 1386, 1338, 1342, 1341, 1326, 1296, 1274, 1254, 1249, 1262, 1280, 1319, 1357, 1367, 1373, 1379, 1462, 1426, 1340, 1356, 1354, 1330, 1344, 1291, 1275, 1255, 1272, 1298, 1333, 1374, 1390, 1393, 1418, 1580, ]
+ gr: [1274, 1203, 1200, 1184, 1165, 1167, 1155, 1160, 1155, 1158, 1164, 1181, 1196, 1223, 1219, 1220, 1369, 1233, 1172, 1161, 1158, 1146, 1149, 1142, 1129, 1133, 1137, 1144, 1155, 1173, 1189, 1204, 1205, 1268, 1215, 1172, 1148, 1137, 1135, 1124, 1123, 1114, 1110, 1116, 1131, 1149, 1161, 1175, 1191, 1220, 1263, 1185, 1153, 1140, 1137, 1119, 1106, 1094, 1088, 1086, 1099, 1107, 1125, 1152, 1154, 1187, 1209, 1255, 1195, 1141, 1133, 1133, 1112, 1083, 1081, 1066, 1057, 1067, 1088, 1103, 1134, 1154, 1172, 1199, 1255, 1186, 1136, 1127, 1121, 1094, 1077, 1055, 1044, 1040, 1048, 1067, 1086, 1121, 1146, 1155, 1185, 1258, 1177, 1127, 1117, 1104, 1082, 1063, 1044, 1038, 1027, 1036, 1057, 1070, 1101, 1138, 1151, 1177, 1245, 1184, 1116, 1119, 1098, 1070, 1045, 1037, 1030, 1027, 1026, 1045, 1062, 1099, 1132, 1149, 1179, 1238, 1172, 1120, 1113, 1100, 1070, 1042, 1029, 1027, 1029, 1027, 1042, 1066, 1088, 1126, 1149, 1174, 1223, 1162, 1118, 1117, 1093, 1065, 1039, 1030, 1028, 1022, 1028, 1045, 1060, 1101, 1134, 1146, 1165, 1246, 1172, 1116, 1119, 1102, 1075, 1046, 1029, 1032, 1030, 1038, 1049, 1073, 1097, 1132, 1146, 1168, 1231, 1178, 1118, 1123, 1111, 1083, 1062, 1041, 1038, 1033, 1041, 1054, 1074, 1109, 1135, 1144, 1175, 1244, 1193, 1136, 1123, 1118, 1100, 1070, 1045, 1036, 1044, 1047, 1067, 1090, 1116, 1135, 1158, 1174, 1232, 1198, 1142, 1127, 1130, 1107, 1085, 1068, 1060, 1057, 1069, 1079, 1102, 1115, 1124, 1154, 1178, 1241, 1192, 1136, 1125, 1113, 1116, 1096, 1081, 1075, 1075, 1088, 1097, 1116, 1124, 1135, 1155, 1177, 1232, 1183, 1142, 1119, 1113, 1099, 1101, 1088, 1084, 1085, 1089, 1103, 1109, 1122, 1133, 1147, 1175, 1258, 1238, 1162, 1161, 1143, 1124, 1131, 1108, 1111, 1107, 1115, 1116, 1138, 1137, 1150, 1163, 1186, 1381, ]
+ gb: [1277, 1217, 1179, 1179, 1163, 1158, 1151, 1150, 1149, 1143, 1151, 1172, 1184, 1207, 1216, 1246, 1375, 1242, 1194, 1166, 1151, 1144, 1145, 1135, 1130, 1129, 1132, 1137, 1154, 1166, 1189, 1207, 1210, 1290, 1229, 1177, 1153, 1144, 1140, 1135, 1124, 1110, 1104, 1115, 1126, 1148, 1162, 1171, 1199, 1220, 1268, 1226, 1163, 1152, 1138, 1130, 1111, 1091, 1088, 1086, 1089, 1097, 1126, 1147, 1164, 1187, 1206, 1273, 1212, 1151, 1141, 1132, 1117, 1093, 1075, 1060, 1059, 1062, 1088, 1108, 1133, 1162, 1168, 1204, 1278, 1207, 1141, 1130, 1126, 1095, 1075, 1063, 1046, 1044, 1054, 1069, 1084, 1120, 1153, 1167, 1195, 1269, 1200, 1141, 1126, 1113, 1092, 1063, 1045, 1033, 1036, 1038, 1055, 1080, 1117, 1139, 1165, 1182, 1262, 1195, 1130, 1128, 1115, 1079, 1052, 1041, 1031, 1024, 1028, 1046, 1072, 1110, 1141, 1160, 1175, 1258, 1189, 1136, 1124, 1105, 1077, 1049, 1029, 1021, 1029, 1033, 1040, 1074, 1108, 1143, 1152, 1173, 1237, 1200, 1130, 1126, 1109, 1080, 1050, 1030, 1031, 1027, 1031, 1043, 1069, 1099, 1141, 1152, 1168, 1249, 1203, 1132, 1124, 1113, 1082, 1058, 1032, 1030, 1024, 1033, 1050, 1083, 1109, 1151, 1156, 1178, 1253, 1204, 1130, 1128, 1112, 1088, 1060, 1045, 1030, 1027, 1036, 1058, 1082, 1120, 1145, 1160, 1176, 1246, 1195, 1137, 1123, 1121, 1102, 1072, 1046, 1037, 1037, 1047, 1072, 1090, 1125, 1140, 1158, 1177, 1252, 1209, 1147, 1128, 1125, 1114, 1088, 1063, 1053, 1051, 1058, 1084, 1101, 1128, 1140, 1159, 1176, 1243, 1195, 1138, 1130, 1127, 1113, 1101, 1076, 1071, 1067, 1082, 1087, 1111, 1125, 1140, 1151, 1183, 1235, 1189, 1137, 1126, 1122, 1112, 1104, 1091, 1089, 1081, 1085, 1103, 1112, 1125, 1140, 1157, 1175, 1242, 1234, 1181, 1161, 1150, 1127, 1117, 1101, 1094, 1094, 1102, 1117, 1130, 1138, 1155, 1171, 1192, 1399, ]
+ b: [1309, 1209, 1169, 1157, 1149, 1136, 1116, 1117, 1126, 1128, 1127, 1141, 1143, 1182, 1196, 1209, 1398, 1231, 1176, 1140, 1123, 1119, 1113, 1111, 1122, 1105, 1117, 1116, 1135, 1130, 1135, 1171, 1169, 1271, 1251, 1154, 1132, 1118, 1104, 1109, 1103, 1094, 1088, 1104, 1093, 1120, 1130, 1135, 1151, 1180, 1267, 1219, 1136, 1111, 1125, 1106, 1107, 1082, 1074, 1077, 1074, 1101, 1112, 1117, 1136, 1139, 1173, 1256, 1205, 1125, 1108, 1118, 1110, 1091, 1081, 1065, 1068, 1065, 1086, 1087, 1105, 1123, 1119, 1156, 1249, 1195, 1106, 1112, 1101, 1085, 1068, 1064, 1053, 1043, 1048, 1068, 1073, 1095, 1117, 1118, 1123, 1251, 1193, 1101, 1091, 1097, 1081, 1052, 1043, 1045, 1041, 1045, 1052, 1065, 1100, 1112, 1112, 1123, 1200, 1180, 1096, 1103, 1083, 1069, 1053, 1045, 1035, 1034, 1035, 1045, 1062, 1087, 1108, 1113, 1113, 1228, 1176, 1093, 1095, 1080, 1062, 1055, 1035, 1033, 1028, 1037, 1039, 1064, 1080, 1115, 1121, 1120, 1202, 1174, 1086, 1087, 1078, 1064, 1049, 1037, 1027, 1022, 1031, 1045, 1058, 1087, 1113, 1108, 1113, 1207, 1200, 1095, 1102, 1092, 1072, 1052, 1043, 1033, 1024, 1033, 1043, 1069, 1095, 1112, 1128, 1123, 1220, 1215, 1101, 1091, 1096, 1080, 1059, 1051, 1040, 1031, 1040, 1064, 1064, 1095, 1111, 1112, 1141, 1222, 1198, 1119, 1108, 1097, 1080, 1059, 1050, 1043, 1034, 1043, 1063, 1073, 1100, 1107, 1114, 1131, 1212, 1197, 1136, 1094, 1109, 1096, 1078, 1054, 1052, 1051, 1060, 1063, 1078, 1101, 1109, 1116, 1142, 1256, 1212, 1112, 1098, 1097, 1094, 1084, 1074, 1061, 1051, 1057, 1064, 1080, 1089, 1102, 1115, 1136, 1227, 1185, 1118, 1081, 1059, 1072, 1068, 1057, 1049, 1048, 1054, 1066, 1058, 1067, 1096, 1109, 1143, 1223, 1291, 1173, 1131, 1113, 1087, 1077, 1090, 1081, 1090, 1086, 1090, 1092, 1103, 1144, 1149, 1216, 1387, ]
+ #4208x3120_D50_70 - D50
+ - ct: 5003
+ resolution: 4208x3120
+ r: [1240, 1212, 1218, 1191, 1191, 1171, 1136, 1144, 1113, 1148, 1182, 1166, 1210, 1211, 1213, 1240, 1336, 1236, 1193, 1176, 1158, 1147, 1126, 1107, 1122, 1107, 1107, 1110, 1146, 1176, 1194, 1195, 1219, 1259, 1210, 1157, 1156, 1153, 1123, 1115, 1094, 1074, 1078, 1081, 1098, 1130, 1163, 1170, 1179, 1220, 1284, 1228, 1146, 1159, 1132, 1101, 1074, 1059, 1053, 1044, 1060, 1072, 1102, 1131, 1156, 1186, 1227, 1272, 1219, 1176, 1150, 1124, 1091, 1043, 1036, 1025, 1025, 1031, 1042, 1076, 1095, 1155, 1188, 1209, 1296, 1206, 1161, 1128, 1101, 1065, 1032, 1019, 1018, 1027, 1018, 1034, 1057, 1102, 1139, 1161, 1211, 1274, 1184, 1133, 1119, 1097, 1042, 1018, 1020, 1027, 1034, 1030, 1032, 1042, 1075, 1119, 1164, 1199, 1270, 1205, 1124, 1114, 1086, 1033, 1015, 1023, 1039, 1039, 1033, 1026, 1041, 1074, 1111, 1142, 1206, 1278, 1193, 1118, 1098, 1084, 1023, 1003, 1016, 1047, 1059, 1038, 1025, 1046, 1063, 1124, 1148, 1190, 1238, 1191, 1124, 1107, 1069, 1027, 1009, 1012, 1036, 1045, 1036, 1020, 1024, 1058, 1118, 1158, 1183, 1262, 1213, 1121, 1112, 1076, 1030, 1012, 1003, 1019, 1028, 1013, 1020, 1036, 1078, 1123, 1155, 1176, 1228, 1221, 1135, 1117, 1105, 1055, 1020, 1005, 1007, 1007, 1004, 1017, 1048, 1088, 1131, 1169, 1183, 1280, 1209, 1141, 1125, 1105, 1074, 1025, 1012, 1008, 1000, 1011, 1024, 1050, 1113, 1128, 1154, 1199, 1290, 1217, 1142, 1134, 1120, 1101, 1054, 1028, 1014, 1006, 1017, 1040, 1078, 1105, 1136, 1164, 1188, 1250, 1195, 1130, 1148, 1120, 1108, 1083, 1053, 1041, 1032, 1061, 1067, 1097, 1127, 1136, 1152, 1181, 1227, 1166, 1145, 1140, 1141, 1119, 1092, 1075, 1072, 1052, 1065, 1089, 1107, 1147, 1154, 1158, 1183, 1230, 1136, 1147, 1150, 1168, 1139, 1113, 1098, 1055, 1048, 1072, 1079, 1129, 1147, 1173, 1188, 1181, 1283, ]
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+ #4208x3120_D65_70 - D65
+ - ct: 6504
+ resolution: 4208x3120
+ r: [1359, 1336, 1313, 1273, 1274, 1250, 1250, 1218, 1222, 1223, 1240, 1266, 1308, 1327, 1333, 1336, 1456, 1359, 1286, 1256, 1249, 1235, 1235, 1216, 1219, 1187, 1205, 1216, 1240, 1267, 1277, 1303, 1311, 1420, 1326, 1254, 1250, 1239, 1212, 1207, 1191, 1181, 1176, 1181, 1187, 1226, 1241, 1281, 1295, 1326, 1391, 1304, 1253, 1234, 1234, 1209, 1174, 1156, 1147, 1131, 1139, 1168, 1196, 1227, 1265, 1282, 1293, 1385, 1302, 1242, 1224, 1216, 1171, 1140, 1112, 1098, 1087, 1098, 1124, 1177, 1206, 1245, 1266, 1310, 1389, 1327, 1227, 1231, 1195, 1156, 1116, 1094, 1070, 1067, 1073, 1101, 1151, 1190, 1223, 1251, 1281, 1402, 1285, 1229, 1203, 1184, 1135, 1093, 1063, 1047, 1041, 1050, 1083, 1119, 1176, 1211, 1248, 1288, 1388, 1269, 1210, 1215, 1173, 1118, 1078, 1046, 1028, 1025, 1037, 1059, 1103, 1170, 1213, 1230, 1268, 1355, 1295, 1208, 1203, 1171, 1124, 1070, 1041, 1024, 1027, 1030, 1057, 1094, 1168, 1206, 1252, 1270, 1364, 1293, 1196, 1187, 1156, 1110, 1075, 1039, 1022, 1022, 1028, 1065, 1096, 1166, 1213, 1245, 1273, 1349, 1291, 1213, 1203, 1162, 1131, 1079, 1053, 1038, 1029, 1044, 1080, 1119, 1176, 1225, 1243, 1271, 1354, 1284, 1222, 1202, 1186, 1136, 1097, 1063, 1054, 1041, 1054, 1083, 1131, 1186, 1232, 1256, 1276, 1360, 1290, 1237, 1210, 1207, 1166, 1116, 1076, 1066, 1070, 1080, 1109, 1152, 1188, 1230, 1240, 1293, 1341, 1304, 1231, 1229, 1210, 1177, 1153, 1128, 1097, 1105, 1108, 1140, 1170, 1213, 1224, 1260, 1282, 1357, 1299, 1237, 1218, 1218, 1202, 1171, 1144, 1135, 1131, 1143, 1161, 1189, 1221, 1233, 1261, 1271, 1346, 1262, 1216, 1229, 1218, 1191, 1187, 1162, 1161, 1148, 1153, 1180, 1201, 1220, 1234, 1251, 1250, 1352, 1294, 1234, 1242, 1240, 1246, 1200, 1178, 1172, 1137, 1154, 1187, 1214, 1252, 1251, 1247, 1296, 1456, ]
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+ gb: [1240, 1177, 1157, 1143, 1129, 1130, 1118, 1112, 1123, 1123, 1123, 1137, 1159, 1181, 1197, 1206, 1354, 1217, 1153, 1130, 1124, 1109, 1114, 1105, 1108, 1116, 1110, 1114, 1131, 1145, 1145, 1163, 1183, 1249, 1197, 1134, 1124, 1107, 1115, 1104, 1100, 1085, 1091, 1097, 1102, 1110, 1133, 1145, 1155, 1190, 1227, 1191, 1125, 1107, 1105, 1093, 1084, 1072, 1066, 1071, 1072, 1081, 1106, 1124, 1129, 1153, 1178, 1238, 1193, 1108, 1104, 1098, 1085, 1072, 1059, 1052, 1048, 1059, 1075, 1089, 1105, 1126, 1146, 1162, 1233, 1166, 1098, 1099, 1091, 1078, 1053, 1043, 1036, 1035, 1045, 1058, 1070, 1100, 1113, 1128, 1156, 1230, 1173, 1100, 1087, 1087, 1064, 1046, 1037, 1031, 1031, 1034, 1047, 1063, 1092, 1107, 1112, 1153, 1228, 1169, 1089, 1089, 1079, 1057, 1043, 1030, 1030, 1027, 1027, 1035, 1057, 1087, 1111, 1125, 1136, 1218, 1166, 1097, 1087, 1079, 1056, 1035, 1022, 1021, 1027, 1022, 1035, 1053, 1083, 1109, 1118, 1138, 1198, 1151, 1100, 1087, 1077, 1057, 1034, 1023, 1024, 1027, 1025, 1036, 1051, 1083, 1109, 1116, 1129, 1215, 1159, 1096, 1091, 1079, 1053, 1037, 1026, 1021, 1020, 1020, 1039, 1063, 1086, 1113, 1116, 1134, 1214, 1158, 1096, 1091, 1087, 1065, 1043, 1034, 1025, 1020, 1028, 1046, 1059, 1088, 1109, 1119, 1130, 1202, 1168, 1101, 1091, 1084, 1074, 1050, 1029, 1028, 1026, 1035, 1055, 1072, 1099, 1105, 1121, 1138, 1204, 1160, 1104, 1093, 1094, 1079, 1067, 1043, 1036, 1036, 1048, 1057, 1081, 1089, 1107, 1118, 1140, 1222, 1158, 1101, 1096, 1090, 1082, 1076, 1059, 1052, 1053, 1063, 1071, 1086, 1094, 1103, 1119, 1134, 1206, 1150, 1105, 1098, 1093, 1082, 1077, 1067, 1063, 1065, 1069, 1081, 1081, 1088, 1108, 1123, 1138, 1211, 1198, 1133, 1114, 1117, 1097, 1093, 1076, 1073, 1067, 1077, 1076, 1089, 1101, 1119, 1154, 1163, 1346, ]
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+ #4208x3120_D75_70 - D75
+ - ct: 7504
+ resolution: 4208x3120
+ r: [2718, 2443, 2251, 2101, 1949, 1828, 1725, 1659, 1637, 1656, 1692, 1787, 1913, 2038, 2175, 2358, 2612, 2566, 2301, 2129, 1946, 1798, 1654, 1562, 1501, 1474, 1484, 1541, 1628, 1753, 1900, 2056, 2216, 2458, 2439, 2204, 2002, 1839, 1664, 1534, 1419, 1372, 1340, 1357, 1403, 1489, 1621, 1784, 1950, 2114, 2358, 2344, 2108, 1932, 1723, 1559, 1413, 1321, 1258, 1239, 1246, 1293, 1388, 1512, 1675, 1846, 2036, 2269, 2294, 2047, 1842, 1635, 1464, 1328, 1231, 1178, 1144, 1167, 1208, 1298, 1419, 1582, 1769, 1962, 2198, 2234, 1977, 1769, 1556, 1393, 1262, 1164, 1108, 1086, 1096, 1146, 1232, 1350, 1513, 1700, 1913, 2137, 2206, 1942, 1733, 1515, 1345, 1216, 1120, 1066, 1045, 1060, 1099, 1182, 1316, 1462, 1656, 1868, 2131, 2182, 1922, 1685, 1495, 1315, 1188, 1092, 1045, 1025, 1037, 1080, 1160, 1283, 1442, 1624, 1853, 2102, 2193, 1910, 1702, 1477, 1310, 1179, 1087, 1034, 1024, 1029, 1069, 1163, 1278, 1441, 1624, 1846, 2081, 2191, 1936, 1698, 1495, 1325, 1192, 1100, 1052, 1033, 1042, 1082, 1166, 1291, 1448, 1634, 1852, 2118, 2209, 1957, 1732, 1534, 1357, 1223, 1125, 1078, 1062, 1066, 1113, 1204, 1324, 1486, 1665, 1895, 2127, 2267, 2018, 1789, 1577, 1407, 1280, 1181, 1124, 1105, 1113, 1166, 1252, 1388, 1539, 1724, 1936, 2180, 2319, 2074, 1867, 1659, 1491, 1354, 1248, 1192, 1175, 1191, 1236, 1333, 1441, 1618, 1798, 2005, 2249, 2399, 2148, 1955, 1752, 1578, 1442, 1351, 1293, 1272, 1286, 1334, 1418, 1547, 1709, 1872, 2085, 2297, 2497, 2217, 2069, 1857, 1694, 1560, 1458, 1403, 1384, 1400, 1443, 1537, 1670, 1815, 1991, 2157, 2412, 2594, 2341, 2147, 2004, 1827, 1693, 1600, 1537, 1521, 1524, 1576, 1665, 1788, 1941, 2083, 2257, 2529, 2745, 2483, 2315, 2146, 2006, 1868, 1779, 1701, 1679, 1704, 1744, 1845, 1954, 2087, 2219, 2407, 2701, ]
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+ gb: [2383, 2122, 1974, 1866, 1767, 1684, 1620, 1581, 1559, 1575, 1592, 1654, 1726, 1816, 1917, 2071, 2294, 2242, 2002, 1872, 1752, 1650, 1564, 1499, 1455, 1438, 1442, 1485, 1537, 1614, 1715, 1814, 1935, 2155, 2114, 1929, 1797, 1674, 1568, 1477, 1406, 1358, 1340, 1348, 1386, 1447, 1534, 1631, 1754, 1861, 2057, 2044, 1859, 1737, 1606, 1493, 1396, 1322, 1270, 1247, 1259, 1305, 1370, 1455, 1566, 1679, 1808, 1979, 1981, 1812, 1674, 1549, 1424, 1325, 1246, 1191, 1168, 1179, 1222, 1294, 1383, 1498, 1623, 1748, 1932, 1939, 1777, 1626, 1500, 1376, 1265, 1179, 1128, 1104, 1119, 1160, 1235, 1331, 1447, 1577, 1708, 1885, 1922, 1735, 1602, 1464, 1333, 1226, 1134, 1083, 1061, 1071, 1113, 1191, 1296, 1412, 1543, 1677, 1849, 1885, 1723, 1574, 1437, 1310, 1191, 1105, 1055, 1035, 1048, 1088, 1164, 1272, 1388, 1516, 1660, 1847, 1891, 1714, 1568, 1431, 1300, 1185, 1099, 1047, 1024, 1038, 1075, 1155, 1259, 1386, 1512, 1649, 1832, 1901, 1722, 1575, 1434, 1309, 1196, 1109, 1054, 1041, 1047, 1087, 1162, 1267, 1385, 1526, 1650, 1833, 1912, 1740, 1588, 1456, 1329, 1220, 1133, 1080, 1065, 1072, 1113, 1189, 1289, 1410, 1538, 1672, 1862, 1949, 1767, 1632, 1487, 1367, 1261, 1175, 1123, 1100, 1114, 1158, 1224, 1331, 1450, 1571, 1705, 1880, 1990, 1811, 1670, 1531, 1420, 1315, 1227, 1180, 1158, 1172, 1212, 1285, 1375, 1490, 1611, 1744, 1925, 2033, 1864, 1715, 1588, 1477, 1377, 1307, 1253, 1232, 1248, 1285, 1344, 1439, 1545, 1661, 1797, 1971, 2126, 1898, 1798, 1658, 1548, 1449, 1381, 1338, 1315, 1329, 1366, 1428, 1512, 1617, 1730, 1853, 2058, 2203, 1998, 1856, 1734, 1624, 1539, 1467, 1424, 1409, 1409, 1448, 1505, 1584, 1689, 1796, 1923, 2148, 2342, 2110, 1959, 1848, 1740, 1635, 1572, 1533, 1519, 1527, 1561, 1610, 1693, 1786, 1900, 2039, 2306, ]
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+ #4208x3120_F11_TL84_70 - F11_TL84
+ - ct: 4000
+ resolution: 4208x3120
+ r: [1286, 1278, 1265, 1240, 1240, 1217, 1199, 1205, 1185, 1191, 1213, 1243, 1251, 1276, 1282, 1297, 1358, 1273, 1227, 1225, 1219, 1199, 1190, 1164, 1151, 1137, 1151, 1174, 1213, 1238, 1237, 1261, 1274, 1331, 1273, 1220, 1214, 1199, 1174, 1154, 1126, 1115, 1105, 1106, 1132, 1183, 1215, 1238, 1260, 1277, 1310, 1254, 1204, 1204, 1193, 1151, 1097, 1081, 1066, 1057, 1066, 1094, 1133, 1183, 1228, 1240, 1275, 1341, 1239, 1196, 1193, 1167, 1112, 1071, 1046, 1035, 1034, 1045, 1056, 1097, 1153, 1210, 1232, 1257, 1313, 1240, 1187, 1195, 1142, 1080, 1048, 1031, 1023, 1025, 1026, 1034, 1065, 1115, 1186, 1223, 1254, 1322, 1241, 1178, 1166, 1121, 1060, 1031, 1014, 1029, 1039, 1026, 1032, 1057, 1101, 1162, 1210, 1247, 1295, 1224, 1178, 1157, 1104, 1049, 1021, 1015, 1036, 1044, 1036, 1024, 1049, 1097, 1144, 1206, 1235, 1312, 1215, 1170, 1153, 1098, 1046, 1020, 1017, 1043, 1046, 1036, 1028, 1039, 1086, 1144, 1202, 1234, 1280, 1224, 1178, 1148, 1093, 1049, 1010, 1011, 1032, 1038, 1030, 1024, 1042, 1094, 1153, 1213, 1231, 1294, 1237, 1185, 1157, 1104, 1050, 1017, 1005, 1029, 1030, 1022, 1027, 1048, 1098, 1172, 1213, 1243, 1300, 1244, 1173, 1168, 1122, 1073, 1021, 1011, 1004, 1007, 1015, 1029, 1062, 1115, 1176, 1219, 1227, 1304, 1243, 1192, 1182, 1148, 1093, 1048, 1014, 1004, 1007, 1019, 1039, 1068, 1132, 1187, 1214, 1237, 1290, 1233, 1197, 1186, 1170, 1130, 1068, 1043, 1021, 1024, 1035, 1063, 1100, 1148, 1200, 1218, 1239, 1280, 1225, 1193, 1182, 1178, 1152, 1113, 1082, 1057, 1055, 1069, 1098, 1133, 1184, 1199, 1214, 1224, 1291, 1224, 1180, 1184, 1176, 1165, 1145, 1105, 1093, 1081, 1091, 1128, 1167, 1185, 1197, 1202, 1207, 1268, 1216, 1185, 1208, 1194, 1182, 1156, 1131, 1104, 1097, 1110, 1150, 1176, 1214, 1220, 1219, 1234, 1375, ]
+ gr: [1267, 1211, 1186, 1180, 1181, 1169, 1162, 1152, 1144, 1152, 1159, 1184, 1192, 1196, 1221, 1236, 1372, 1236, 1175, 1159, 1149, 1143, 1142, 1134, 1123, 1120, 1130, 1134, 1154, 1170, 1190, 1202, 1212, 1256, 1214, 1170, 1139, 1139, 1125, 1116, 1120, 1100, 1097, 1106, 1111, 1131, 1160, 1173, 1191, 1203, 1266, 1206, 1150, 1137, 1128, 1111, 1095, 1087, 1073, 1069, 1077, 1097, 1116, 1137, 1160, 1182, 1204, 1252, 1187, 1142, 1137, 1122, 1098, 1068, 1065, 1046, 1052, 1054, 1069, 1093, 1121, 1147, 1174, 1200, 1253, 1176, 1136, 1125, 1111, 1080, 1061, 1044, 1042, 1032, 1041, 1055, 1072, 1106, 1139, 1157, 1186, 1246, 1182, 1120, 1109, 1092, 1067, 1042, 1037, 1033, 1028, 1031, 1043, 1058, 1094, 1130, 1156, 1179, 1240, 1162, 1120, 1110, 1088, 1054, 1032, 1030, 1027, 1027, 1025, 1035, 1050, 1091, 1121, 1149, 1186, 1226, 1152, 1122, 1108, 1092, 1054, 1031, 1024, 1026, 1029, 1021, 1037, 1055, 1085, 1113, 1144, 1178, 1217, 1168, 1113, 1102, 1084, 1053, 1032, 1025, 1024, 1027, 1027, 1032, 1048, 1083, 1123, 1142, 1168, 1226, 1163, 1116, 1111, 1086, 1060, 1033, 1023, 1023, 1025, 1028, 1035, 1062, 1090, 1124, 1140, 1164, 1216, 1179, 1124, 1107, 1100, 1072, 1043, 1024, 1024, 1020, 1029, 1044, 1067, 1106, 1128, 1143, 1163, 1219, 1179, 1127, 1117, 1105, 1086, 1053, 1034, 1029, 1029, 1034, 1054, 1076, 1102, 1125, 1157, 1179, 1231, 1165, 1137, 1120, 1112, 1100, 1069, 1051, 1038, 1038, 1052, 1068, 1097, 1109, 1132, 1146, 1166, 1233, 1187, 1128, 1122, 1111, 1107, 1083, 1073, 1057, 1060, 1076, 1083, 1105, 1114, 1134, 1139, 1170, 1243, 1174, 1126, 1115, 1111, 1097, 1093, 1072, 1073, 1067, 1077, 1095, 1104, 1120, 1139, 1135, 1169, 1256, 1232, 1141, 1148, 1125, 1122, 1123, 1104, 1096, 1093, 1094, 1117, 1137, 1146, 1153, 1158, 1160, 1389, ]
+ gb: [1264, 1211, 1190, 1175, 1162, 1153, 1144, 1142, 1132, 1132, 1149, 1168, 1193, 1211, 1221, 1230, 1377, 1240, 1176, 1162, 1152, 1140, 1139, 1131, 1120, 1120, 1122, 1142, 1155, 1163, 1191, 1203, 1210, 1274, 1240, 1171, 1153, 1142, 1131, 1118, 1104, 1091, 1099, 1099, 1111, 1133, 1156, 1172, 1192, 1213, 1273, 1222, 1157, 1140, 1134, 1117, 1092, 1075, 1069, 1067, 1080, 1091, 1115, 1136, 1167, 1180, 1211, 1272, 1226, 1153, 1134, 1124, 1102, 1079, 1063, 1048, 1050, 1055, 1072, 1097, 1123, 1158, 1180, 1201, 1273, 1199, 1142, 1131, 1117, 1088, 1059, 1042, 1035, 1034, 1037, 1057, 1078, 1116, 1145, 1161, 1193, 1256, 1211, 1141, 1116, 1106, 1074, 1049, 1035, 1031, 1033, 1033, 1045, 1073, 1104, 1136, 1153, 1188, 1250, 1196, 1128, 1114, 1100, 1060, 1039, 1030, 1034, 1032, 1030, 1030, 1057, 1094, 1125, 1155, 1169, 1257, 1204, 1126, 1114, 1100, 1063, 1037, 1022, 1024, 1032, 1034, 1036, 1060, 1094, 1125, 1148, 1172, 1242, 1188, 1123, 1116, 1093, 1060, 1035, 1025, 1024, 1027, 1027, 1034, 1057, 1090, 1134, 1146, 1172, 1239, 1192, 1122, 1119, 1095, 1069, 1040, 1021, 1026, 1016, 1030, 1038, 1065, 1094, 1136, 1148, 1173, 1244, 1202, 1132, 1117, 1104, 1068, 1043, 1034, 1020, 1019, 1025, 1042, 1072, 1102, 1136, 1152, 1167, 1237, 1191, 1136, 1120, 1108, 1087, 1053, 1034, 1025, 1020, 1032, 1050, 1073, 1110, 1130, 1148, 1182, 1238, 1201, 1133, 1117, 1120, 1100, 1071, 1049, 1038, 1032, 1048, 1064, 1090, 1117, 1134, 1152, 1170, 1237, 1188, 1128, 1128, 1115, 1106, 1090, 1067, 1058, 1058, 1066, 1082, 1107, 1115, 1135, 1148, 1171, 1250, 1187, 1138, 1126, 1119, 1108, 1095, 1078, 1075, 1066, 1079, 1090, 1099, 1121, 1143, 1149, 1165, 1237, 1229, 1158, 1157, 1139, 1119, 1118, 1101, 1078, 1084, 1091, 1103, 1125, 1130, 1149, 1173, 1184, 1398, ]
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+ #4208x3120_F2_CWF_70 - F2_CWF
+ - ct: 4230
+ resolution: 4208x3120
+ r: [1140, 1119, 1106, 1105, 1086, 1079, 1072, 1070, 1070, 1079, 1084, 1102, 1114, 1131, 1157, 1152, 1232, 1131, 1103, 1088, 1084, 1071, 1074, 1077, 1066, 1064, 1063, 1080, 1094, 1101, 1112, 1113, 1134, 1194, 1143, 1073, 1077, 1078, 1069, 1067, 1058, 1060, 1046, 1048, 1067, 1085, 1095, 1101, 1127, 1144, 1169, 1132, 1072, 1074, 1078, 1055, 1045, 1037, 1033, 1039, 1036, 1045, 1068, 1085, 1098, 1122, 1115, 1183, 1106, 1064, 1069, 1068, 1049, 1026, 1030, 1019, 1025, 1026, 1038, 1051, 1070, 1100, 1102, 1120, 1174, 1103, 1043, 1052, 1055, 1024, 1023, 1017, 1019, 1025, 1024, 1032, 1037, 1063, 1085, 1094, 1110, 1195, 1095, 1047, 1062, 1041, 1025, 1017, 1011, 1031, 1027, 1023, 1023, 1030, 1050, 1071, 1084, 1110, 1190, 1073, 1034, 1056, 1042, 1015, 1010, 1016, 1032, 1027, 1024, 1024, 1036, 1039, 1074, 1087, 1109, 1168, 1079, 1042, 1055, 1032, 1019, 1007, 1013, 1026, 1027, 1026, 1021, 1032, 1044, 1082, 1093, 1098, 1158, 1091, 1046, 1053, 1028, 1020, 1007, 1011, 1026, 1022, 1019, 1021, 1020, 1045, 1071, 1084, 1096, 1159, 1114, 1047, 1047, 1030, 1017, 997, 1008, 1016, 1019, 1021, 1016, 1028, 1053, 1080, 1094, 1103, 1157, 1088, 1049, 1052, 1040, 1024, 1003, 1001, 1004, 1010, 1006, 1019, 1037, 1057, 1085, 1084, 1099, 1161, 1106, 1057, 1063, 1056, 1032, 1010, 993, 998, 999, 1006, 1016, 1031, 1052, 1071, 1089, 1106, 1174, 1112, 1055, 1054, 1062, 1043, 1022, 1002, 1004, 1008, 1007, 1015, 1045, 1064, 1085, 1087, 1097, 1157, 1102, 1059, 1064, 1059, 1054, 1035, 1018, 1002, 1005, 1012, 1035, 1052, 1057, 1068, 1071, 1098, 1156, 1098, 1045, 1044, 1042, 1046, 1041, 1024, 1009, 1004, 1017, 1035, 1062, 1062, 1064, 1064, 1088, 1140, 1088, 1043, 1070, 1066, 1041, 1047, 1026, 1014, 1009, 1022, 1032, 1060, 1073, 1077, 1087, 1107, 1237, ]
+ gr: [1219, 1156, 1145, 1130, 1128, 1112, 1116, 1104, 1112, 1106, 1118, 1128, 1154, 1165, 1161, 1170, 1306, 1183, 1124, 1113, 1099, 1100, 1099, 1091, 1084, 1095, 1090, 1099, 1116, 1126, 1140, 1142, 1158, 1213, 1174, 1112, 1103, 1094, 1084, 1087, 1090, 1075, 1075, 1077, 1088, 1101, 1119, 1133, 1149, 1162, 1193, 1149, 1106, 1091, 1086, 1076, 1071, 1066, 1057, 1064, 1064, 1074, 1082, 1109, 1117, 1140, 1151, 1204, 1155, 1094, 1089, 1088, 1075, 1059, 1052, 1046, 1043, 1048, 1061, 1074, 1101, 1113, 1123, 1154, 1198, 1137, 1093, 1082, 1078, 1059, 1048, 1041, 1033, 1030, 1038, 1048, 1059, 1078, 1109, 1116, 1143, 1198, 1119, 1082, 1074, 1071, 1051, 1040, 1036, 1032, 1031, 1031, 1042, 1047, 1077, 1097, 1112, 1133, 1185, 1126, 1082, 1077, 1058, 1039, 1029, 1025, 1024, 1024, 1022, 1033, 1044, 1068, 1095, 1099, 1131, 1187, 1123, 1078, 1071, 1060, 1043, 1028, 1025, 1027, 1027, 1021, 1033, 1045, 1066, 1087, 1105, 1121, 1173, 1121, 1070, 1067, 1058, 1039, 1024, 1020, 1024, 1024, 1022, 1030, 1043, 1064, 1093, 1099, 1121, 1182, 1112, 1076, 1072, 1065, 1044, 1029, 1021, 1023, 1021, 1026, 1032, 1047, 1066, 1091, 1105, 1131, 1180, 1132, 1076, 1066, 1067, 1052, 1031, 1021, 1021, 1020, 1028, 1039, 1044, 1076, 1098, 1107, 1127, 1179, 1124, 1087, 1076, 1076, 1064, 1036, 1018, 1018, 1020, 1028, 1041, 1056, 1085, 1086, 1106, 1128, 1187, 1126, 1099, 1082, 1072, 1065, 1043, 1031, 1024, 1029, 1034, 1052, 1065, 1074, 1094, 1111, 1127, 1181, 1128, 1086, 1076, 1073, 1072, 1058, 1050, 1046, 1039, 1048, 1059, 1074, 1070, 1096, 1112, 1124, 1174, 1140, 1078, 1077, 1067, 1057, 1055, 1043, 1040, 1042, 1042, 1054, 1069, 1075, 1088, 1099, 1112, 1189, 1182, 1099, 1096, 1093, 1082, 1080, 1072, 1055, 1059, 1061, 1076, 1095, 1090, 1112, 1113, 1140, 1321, ]
+ gb: [1236, 1163, 1136, 1120, 1113, 1111, 1109, 1101, 1104, 1099, 1102, 1140, 1141, 1158, 1170, 1194, 1332, 1195, 1138, 1114, 1109, 1097, 1098, 1092, 1089, 1085, 1089, 1098, 1117, 1125, 1141, 1155, 1156, 1232, 1186, 1125, 1108, 1095, 1099, 1081, 1078, 1075, 1073, 1073, 1083, 1097, 1118, 1128, 1148, 1166, 1218, 1171, 1107, 1099, 1091, 1086, 1069, 1059, 1051, 1049, 1064, 1071, 1088, 1110, 1118, 1137, 1162, 1225, 1171, 1099, 1092, 1085, 1069, 1057, 1051, 1041, 1036, 1050, 1055, 1077, 1092, 1118, 1133, 1151, 1227, 1158, 1099, 1090, 1086, 1061, 1043, 1039, 1028, 1036, 1039, 1048, 1060, 1091, 1110, 1117, 1147, 1216, 1152, 1086, 1082, 1073, 1054, 1040, 1026, 1028, 1029, 1032, 1040, 1051, 1076, 1104, 1115, 1139, 1222, 1141, 1088, 1078, 1073, 1048, 1034, 1026, 1025, 1025, 1022, 1033, 1051, 1077, 1104, 1115, 1129, 1202, 1154, 1081, 1080, 1069, 1050, 1029, 1023, 1022, 1029, 1027, 1031, 1050, 1070, 1098, 1107, 1127, 1188, 1146, 1090, 1078, 1065, 1044, 1029, 1015, 1022, 1024, 1025, 1035, 1053, 1071, 1104, 1102, 1136, 1207, 1152, 1083, 1078, 1073, 1042, 1027, 1024, 1024, 1016, 1024, 1037, 1056, 1076, 1106, 1111, 1130, 1197, 1146, 1086, 1076, 1074, 1046, 1031, 1023, 1018, 1021, 1026, 1043, 1051, 1081, 1102, 1111, 1126, 1191, 1134, 1090, 1084, 1079, 1067, 1038, 1019, 1018, 1021, 1033, 1041, 1055, 1081, 1099, 1107, 1131, 1199, 1147, 1091, 1082, 1083, 1072, 1050, 1031, 1024, 1027, 1032, 1053, 1063, 1082, 1099, 1107, 1130, 1191, 1139, 1087, 1078, 1077, 1073, 1058, 1048, 1037, 1037, 1046, 1062, 1073, 1079, 1099, 1099, 1130, 1177, 1147, 1082, 1087, 1074, 1061, 1062, 1052, 1042, 1036, 1045, 1063, 1068, 1079, 1094, 1103, 1120, 1189, 1176, 1105, 1102, 1092, 1081, 1073, 1064, 1053, 1053, 1066, 1067, 1084, 1087, 1103, 1134, 1146, 1336, ]
+ b: [1203, 1195, 1154, 1123, 1104, 1106, 1116, 1099, 1099, 1099, 1102, 1106, 1123, 1155, 1149, 1168, 1283, 1196, 1141, 1119, 1102, 1098, 1088, 1088, 1095, 1086, 1095, 1097, 1101, 1117, 1121, 1156, 1135, 1209, 1211, 1127, 1102, 1082, 1089, 1088, 1072, 1075, 1083, 1083, 1085, 1106, 1107, 1120, 1142, 1149, 1224, 1163, 1121, 1087, 1078, 1085, 1077, 1062, 1065, 1056, 1057, 1082, 1093, 1094, 1096, 1111, 1147, 1193, 1179, 1105, 1083, 1088, 1070, 1074, 1060, 1048, 1055, 1044, 1068, 1082, 1091, 1097, 1102, 1141, 1209, 1178, 1091, 1076, 1077, 1063, 1060, 1043, 1043, 1035, 1046, 1059, 1064, 1084, 1103, 1107, 1125, 1196, 1156, 1088, 1068, 1070, 1057, 1043, 1046, 1041, 1038, 1038, 1046, 1059, 1073, 1083, 1086, 1111, 1178, 1146, 1067, 1083, 1068, 1044, 1042, 1033, 1044, 1033, 1026, 1037, 1045, 1067, 1089, 1092, 1108, 1203, 1148, 1082, 1072, 1066, 1050, 1044, 1035, 1035, 1031, 1028, 1035, 1055, 1069, 1082, 1094, 1101, 1188, 1163, 1067, 1074, 1056, 1040, 1034, 1037, 1026, 1022, 1033, 1037, 1049, 1067, 1084, 1092, 1103, 1185, 1156, 1074, 1073, 1066, 1042, 1036, 1028, 1031, 1030, 1034, 1042, 1051, 1073, 1091, 1090, 1102, 1196, 1172, 1086, 1071, 1077, 1055, 1041, 1036, 1025, 1024, 1028, 1032, 1053, 1076, 1094, 1089, 1101, 1178, 1179, 1095, 1079, 1075, 1070, 1043, 1026, 1022, 1022, 1029, 1045, 1054, 1078, 1075, 1092, 1120, 1179, 1193, 1091, 1074, 1061, 1064, 1056, 1043, 1034, 1026, 1027, 1039, 1060, 1081, 1070, 1078, 1115, 1205, 1172, 1096, 1069, 1060, 1071, 1055, 1044, 1035, 1027, 1043, 1048, 1063, 1054, 1065, 1083, 1122, 1186, 1158, 1088, 1060, 1043, 1037, 1037, 1031, 1033, 1025, 1029, 1035, 1041, 1041, 1060, 1084, 1114, 1202, 1217, 1122, 1101, 1079, 1058, 1061, 1049, 1056, 1051, 1036, 1062, 1061, 1076, 1094, 1116, 1139, 1331, ]
+
diff --git a/src/ipa/rkisp1/data/meson.build b/src/ipa/rkisp1/data/meson.build
index c3b4e388..7150e155 100644
--- a/src/ipa/rkisp1/data/meson.build
+++ b/src/ipa/rkisp1/data/meson.build
@@ -2,9 +2,11 @@
conf_files = files([
'imx219.yaml',
+ 'ov4689.yaml',
'ov5640.yaml',
'uncalibrated.yaml',
])
install_data(conf_files,
- install_dir : ipa_data_dir / 'rkisp1')
+ install_dir : ipa_data_dir / 'rkisp1',
+ install_tag : 'runtime')
diff --git a/src/ipa/rkisp1/data/ov2685.yaml b/src/ipa/rkisp1/data/ov2685.yaml
new file mode 100644
index 00000000..fdfc98d3
--- /dev/null
+++ b/src/ipa/rkisp1/data/ov2685.yaml
@@ -0,0 +1,41 @@
+# SPDX-License-Identifier: CC0-1.0
+%YAML 1.1
+---
+version: 1
+algorithms:
+ - Agc:
+ - Awb:
+ - LensShadingCorrection:
+ x-size: [ 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625 ]
+ y-size: [ 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625 ]
+ sets:
+ #800x600_A_70 - A
+ - ct: 2856
+ resolution: 800x600
+ r: [2451, 2258, 2111, 2039, 1982, 1925, 1860, 1818, 1802, 1815, 1859, 1936, 1997, 2056, 2129, 2298, 2486, 2351, 2157, 2066, 1991, 1912, 1809, 1720, 1677, 1653, 1671, 1739, 1843, 1932, 2009, 2071, 2182, 2392, 2253, 2105, 2018, 1929, 1802, 1670, 1566, 1503, 1475, 1508, 1590, 1705, 1848, 1947, 2026, 2118, 2281, 2174, 2065, 1975, 1854, 1687, 1529, 1412, 1345, 1327, 1358, 1445, 1572, 1733, 1870, 1992, 2075, 2202, 2125, 2033, 1929, 1765, 1574, 1407, 1286, 1220, 1204, 1237, 1318, 1447, 1632, 1801, 1951, 2048, 2142, 2092, 2010, 1877, 1688, 1471, 1304, 1187, 1127, 1118, 1149, 1221, 1348, 1533, 1738, 1918, 2021, 2105, 2088, 1982, 1836, 1628, 1398, 1239, 1128, 1073, 1060, 1086, 1163, 1280, 1466, 1688, 1886, 2001, 2092, 2067, 1965, 1809, 1584, 1358, 1200, 1094, 1044, 1030, 1056, 1123, 1240, 1424, 1649, 1860, 1989, 2082, 2057, 1960, 1795, 1569, 1345, 1187, 1083, 1034, 1024, 1046, 1111, 1229, 1408, 1637, 1850, 1989, 2085, 2053, 1967, 1802, 1578, 1358, 1199, 1095, 1046, 1031, 1058, 1122, 1245, 1423, 1651, 1867, 1989, 2084, 2059, 1970, 1823, 1615, 1399, 1235, 1129, 1074, 1061, 1090, 1161, 1281, 1461, 1689, 1878, 2006, 2096, 2086, 1989, 1866, 1670, 1471, 1302, 1188, 1134, 1117, 1150, 1223, 1352, 1537, 1745, 1909, 2028, 2114, 2101, 2006, 1916, 1749, 1567, 1399, 1278, 1218, 1206, 1237, 1317, 1456, 1633, 1813, 1954, 2053, 2142, 2171, 2023, 1954, 1843, 1680, 1526, 1403, 1339, 1323, 1357, 1440, 1575, 1733, 1885, 1996, 2069, 2212, 2231, 2074, 1990, 1916, 1792, 1656, 1554, 1489, 1473, 1513, 1588, 1702, 1840, 1946, 2011, 2124, 2283, 2343, 2146, 2036, 1973, 1890, 1789, 1700, 1653, 1645, 1678, 1733, 1828, 1922, 1978, 2065, 2181, 2405, 2420, 2246, 2092, 2015, 1954, 1885, 1816, 1776, 1777, 1791, 1847, 1904, 1941, 2016, 2105, 2284, 2463, ]
+ gr: [1790, 1645, 1522, 1469, 1433, 1419, 1390, 1381, 1374, 1381, 1401, 1428, 1460, 1494, 1552, 1693, 1839, 1687, 1555, 1471, 1433, 1408, 1362, 1335, 1319, 1308, 1318, 1344, 1393, 1430, 1456, 1497, 1591, 1752, 1612, 1503, 1447, 1417, 1365, 1315, 1276, 1248, 1237, 1252, 1290, 1339, 1404, 1435, 1469, 1539, 1661, 1547, 1470, 1424, 1389, 1321, 1260, 1205, 1173, 1165, 1181, 1221, 1286, 1358, 1409, 1452, 1503, 1603, 1504, 1451, 1411, 1358, 1276, 1198, 1148, 1114, 1110, 1124, 1164, 1228, 1320, 1388, 1435, 1479, 1552, 1475, 1437, 1392, 1325, 1231, 1153, 1094, 1069, 1068, 1084, 1119, 1182, 1278, 1365, 1429, 1469, 1529, 1464, 1430, 1375, 1301, 1196, 1118, 1067, 1043, 1039, 1051, 1089, 1150, 1245, 1342, 1417, 1453, 1512, 1461, 1418, 1369, 1281, 1177, 1099, 1051, 1028, 1029, 1037, 1069, 1129, 1224, 1328, 1404, 1449, 1503, 1455, 1422, 1366, 1276, 1170, 1094, 1046, 1026, 1024, 1033, 1063, 1125, 1216, 1322, 1400, 1448, 1508, 1459, 1426, 1368, 1280, 1179, 1102, 1051, 1030, 1029, 1039, 1071, 1132, 1222, 1327, 1406, 1448, 1502, 1473, 1433, 1380, 1302, 1201, 1125, 1069, 1046, 1043, 1055, 1091, 1153, 1245, 1343, 1412, 1461, 1523, 1488, 1445, 1397, 1328, 1242, 1157, 1104, 1079, 1073, 1088, 1127, 1193, 1284, 1373, 1424, 1473, 1543, 1521, 1461, 1424, 1361, 1289, 1210, 1152, 1124, 1118, 1134, 1174, 1242, 1330, 1396, 1439, 1494, 1572, 1573, 1475, 1434, 1397, 1336, 1270, 1213, 1182, 1176, 1194, 1239, 1301, 1366, 1420, 1464, 1510, 1624, 1628, 1510, 1449, 1424, 1378, 1326, 1281, 1252, 1243, 1264, 1304, 1352, 1406, 1443, 1456, 1554, 1692, 1727, 1578, 1482, 1448, 1415, 1374, 1337, 1318, 1317, 1338, 1356, 1398, 1429, 1443, 1501, 1603, 1783, 1776, 1643, 1510, 1448, 1415, 1387, 1353, 1344, 1343, 1348, 1368, 1396, 1407, 1442, 1515, 1674, 1832, ]
+ gb: [1805, 1650, 1529, 1468, 1430, 1412, 1378, 1371, 1363, 1371, 1393, 1430, 1465, 1501, 1567, 1713, 1864, 1700, 1564, 1476, 1434, 1404, 1359, 1323, 1306, 1294, 1306, 1338, 1388, 1432, 1462, 1509, 1605, 1780, 1627, 1520, 1457, 1423, 1370, 1311, 1267, 1238, 1226, 1245, 1286, 1344, 1414, 1448, 1489, 1563, 1697, 1568, 1487, 1436, 1398, 1325, 1257, 1200, 1163, 1156, 1175, 1221, 1291, 1372, 1427, 1476, 1528, 1636, 1527, 1474, 1431, 1371, 1285, 1201, 1144, 1109, 1104, 1121, 1165, 1239, 1335, 1411, 1461, 1509, 1588, 1498, 1463, 1413, 1343, 1242, 1159, 1094, 1066, 1064, 1083, 1124, 1195, 1299, 1391, 1455, 1499, 1561, 1492, 1454, 1401, 1319, 1209, 1124, 1068, 1042, 1039, 1053, 1096, 1164, 1268, 1370, 1446, 1486, 1547, 1486, 1446, 1392, 1302, 1190, 1108, 1053, 1028, 1029, 1040, 1078, 1146, 1245, 1355, 1437, 1600, 1546, 1600, 1449, 1389, 1294, 1184, 1101, 1047, 1024, 1024, 1035, 1073, 1136, 1240, 1348, 1431, 1483, 1537, 1485, 1450, 1390, 1298, 1188, 1109, 1051, 1030, 1026, 1038, 1077, 1143, 1243, 1354, 1436, 1482, 1547, 1494, 1454, 1400, 1317, 1211, 1125, 1067, 1041, 1038, 1053, 1094, 1165, 1264, 1368, 1440, 1489, 1557, 1513, 1464, 1414, 1340, 1245, 1156, 1097, 1071, 1063, 1081, 1126, 1197, 1298, 1394, 1446, 1502, 1573, 1541, 1477, 1438, 1370, 1292, 1204, 1142, 1111, 1106, 1121, 1169, 1245, 1338, 1411, 1462, 1519, 1599, 1590, 1485, 1447, 1403, 1334, 1263, 1199, 1164, 1158, 1179, 1230, 1299, 1373, 1433, 1477, 1528, 1649, 1643, 1520, 1454, 1426, 1375, 1315, 1266, 1235, 1224, 1247, 1291, 1345, 1408, 1449, 1468, 1572, 1711, 1738, 1579, 1482, 1443, 1406, 1359, 1318, 1294, 1294, 1312, 1338, 1385, 1427, 1441, 1507, 1614, 1799, 1786, 1653, 1516, 1452, 1414, 1383, 1348, 1331, 1328, 1336, 1362, 1391, 1408, 1448, 1529, 1684, 1858, ]
+ b: [1807, 1633, 1496, 1427, 1395, 1372, 1357, 1340, 1339, 1335, 1356, 1382, 1410, 1454, 1541, 1690, 1860, 1657, 1503, 1411, 1364, 1342, 1312, 1286, 1274, 1262, 1270, 1287, 1326, 1355, 1387, 1447, 1550, 1726, 1556, 1438, 1374, 1340, 1305, 1267, 1236, 1213, 1199, 1211, 1246, 1280, 1324, 1355, 1397, 1475, 1620, 1473, 1407, 1350, 1317, 1270, 1223, 1173, 1144, 1135, 1151, 1185, 1237, 1292, 1326, 1368, 1422, 1544, 1430, 1375, 1331, 1293, 1238, 1166, 1120, 1096, 1091, 1104, 1133, 1188, 1261, 1310, 1351, 1388, 1487, 1383, 1362, 1316, 1269, 1194, 1128, 1076, 1054, 1057, 1070, 1101, 1146, 1229, 1294, 1329, 1368, 1459, 1368, 1347, 1301, 1250, 1162, 1099, 1057, 1039, 1035, 1041, 1076, 1119, 1199, 1271, 1321, 1349, 1440, 1360, 1338, 1299, 1234, 1145, 1086, 1042, 1029, 1026, 1034, 1059, 1104, 1176, 1260, 1307, 1344, 1439, 1347, 1342, 1293, 1226, 1139, 1077, 1040, 1024, 1025, 1030, 1051, 1099, 1170, 1249, 1301, 1335, 1432, 1346, 1342, 1295, 1227, 1145, 1083, 1040, 1025, 1024, 1031, 1059, 1096, 1170, 1247, 1297, 1338, 1436, 1362, 1344, 1299, 1245, 1161, 1095, 1055, 1034, 1031, 1041, 1069, 1115, 1185, 1252, 1299, 1347, 1453, 1378, 1353, 1311, 1261, 1191, 1117, 1077, 1058, 1045, 1063, 1092, 1141, 1210, 1274, 1302, 1358, 1461, 1405, 1364, 1329, 1281, 1229, 1159, 1106, 1084, 1080, 1093, 1124, 1180, 1244, 1285, 1317, 1380, 1496, 1467, 1379, 1343, 1304, 1260, 1208, 1154, 1127, 1117, 1138, 1172, 1225, 1266, 1297, 1340, 1397, 1556, 1532, 1428, 1354, 1325, 1290, 1248, 1211, 1181, 1178, 1197, 1227, 1261, 1293, 1321, 1342, 1450, 1624, 1634, 1502, 1394, 1347, 1316, 1283, 1251, 1239, 1241, 1254, 1266, 1297, 1312, 1328, 1396, 1509, 1739, 1685, 1572, 1426, 1351, 1313, 1285, 1257, 1254, 1249, 1259, 1266, 1287, 1292, 1336, 1429, 1593, 1816, ]
+ #800x600_D65_70 - D65
+ - ct: 6504
+ resolution: 800x600
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+ #800x600_F2_CWF_70 - F2_CWF
+ - ct: 4230
+ resolution: 800x600
+ r: [2065, 1886, 1745, 1661, 1619, 1574, 1532, 1504, 1498, 1499, 1533, 1586, 1628, 1689, 1770, 1942, 2140, 1978, 1796, 1688, 1627, 1565, 1501, 1446, 1424, 1407, 1419, 1460, 1525, 1583, 1642, 1712, 1829, 2032, 1880, 1732, 1643, 1579, 1499, 1418, 1356, 1319, 1300, 1320, 1372, 1443, 1536, 1598, 1661, 1763, 1923, 1812, 1689, 1608, 1535, 1429, 1335, 1267, 1223, 1210, 1234, 1284, 1362, 1461, 1547, 1634, 1715, 1848, 1755, 1664, 1579, 1600, 1362, 1262, 1188, 1145, 1132, 1156, 1211, 1289, 1403, 1504, 1604, 1688, 1791, 1726, 1635, 1548, 1433, 1298, 1199, 1126, 1084, 1080, 1101, 1147, 1226, 1340, 1468, 1586, 1659, 1752, 1707, 1624, 1522, 1393, 1256, 1155, 1085, 1054, 1043, 1059, 1111, 1187, 1302, 1435, 1566, 1645, 1732, 1695, 1605, 1508, 1367, 1230, 1132, 1066, 1034, 1028, 1042, 1084, 1160, 1275, 1418, 1549, 1634, 1722, 1681, 1604, 1498, 1360, 1222, 1121, 1058, 1027, 1024, 1034, 1075, 1151, 1264, 1407, 1543, 1633, 1723, 1691, 1609, 1498, 1361, 1231, 1130, 1064, 1037, 1027, 1043, 1083, 1162, 1275, 1413, 1545, 1638, 1714, 1692, 1612, 1515, 1385, 1258, 1153, 1087, 1051, 1045, 1064, 1109, 1185, 1295, 1437, 1560, 1645, 1741, 1712, 1627, 1538, 1417, 1298, 1199, 1124, 1087, 1075, 1101, 1146, 1231, 1342, 1472, 1574, 1665, 1754, 1743, 1637, 1572, 1466, 1357, 1253, 1181, 1142, 1131, 1154, 1207, 1295, 1401, 1515, 1601, 1687, 1789, 1807, 1661, 1597, 1525, 1425, 1328, 1257, 1215, 1208, 1230, 1282, 1363, 1459, 1555, 1800, 1714, 1857, 1871, 1711, 1631, 1573, 1491, 1407, 1343, 1307, 1298, 1323, 1368, 1440, 1528, 1601, 1649, 1767, 1932, 1982, 1788, 1675, 1617, 1559, 1489, 1433, 1406, 1405, 1425, 1457, 1516, 1581, 1623, 1713, 1836, 2044, 2041, 1885, 1730, 1646, 1589, 1547, 1498, 1476, 1474, 1488, 1518, 1569, 1594, 1656, 1757, 1921, 2111, ]
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+ #800x600_D50_70 - D50
+ - ct: 5003
+ resolution: 800x600
+ r: [2543, 2578, 2509, 2438, 2318, 2233, 2133, 2085, 2088, 2130, 2245, 2390, 2533, 2674, 2811, 2910, 2790, 2536, 2518, 2407, 2309, 2153, 2048, 1910, 1861, 1865, 1921, 2013, 2160, 2340, 2523, 2664, 2836, 2882, 2501, 2408, 2276, 2127, 1951, 1804, 1701, 1655, 1635, 1674, 1771, 1939, 2141, 2356, 2565, 2701, 2839, 2403, 2314, 2154, 1963, 1779, 1618, 1511, 1447, 1433, 1470, 1554, 1714, 1920, 2196, 2430, 2589, 2694, 2352, 2232, 2049, 1828, 1635, 1472, 1357, 1295, 1274, 1317, 1399, 1543, 1785, 2021, 2302, 2494, 2688, 2254, 2143, 1936, 1720, 1509, 1345, 1237, 1168, 1158, 1188, 1271, 1420, 1614, 1894, 2190, 2443, 2592, 2210, 2085, 1870, 1630, 1432, 1264, 1161, 1090, 1079, 1102, 1184, 1329, 1525, 1797, 2112, 2377, 2587, 2224, 2063, 1822, 1598, 1381, 1217, 1121, 1045, 1031, 1063, 1129, 1270, 1481, 1749, 2059, 2344, 2559, 2234, 2083, 1812, 1592, 1381, 1215, 1102, 1046, 1024, 1053, 1122, 1257, 1466, 1734, 2045, 2338, 2530, 2224, 2063, 1856, 1610, 1407, 1237, 1126, 1063, 1044, 1072, 1145, 1288, 1485, 1764, 2059, 2344, 2539, 2273, 2135, 1906, 1675, 1470, 1299, 1187, 1112, 1094, 1120, 1208, 1348, 1546, 1828, 2124, 2377, 2566, 2321, 2197, 1986, 1779, 1563, 1402, 1271, 1209, 1192, 1221, 1313, 1461, 1664, 1929, 2203, 2460, 2659, 2371, 2292, 2119, 1906, 1700, 1538, 1407, 1335, 1321, 1366, 1447, 1593, 1800, 2062, 2331, 2570, 2737, 2485, 2382, 2262, 2078, 1876, 1721, 1587, 1525, 1504, 1545, 1633, 1785, 1985, 2246, 2464, 2631, 2799, 2621, 2465, 2387, 2243, 2063, 1912, 1801, 1734, 1705, 1755, 1848, 2005, 2213, 2417, 2584, 2773, 2900, 2757, 2632, 2519, 2419, 2283, 2160, 2044, 1976, 1979, 2024, 2107, 2272, 2430, 2578, 2731, 2921, 2984, 2724, 2762, 2663, 2570, 2413, 2331, 2245, 2227, 2242, 2278, 2369, 2486, 2647, 2763, 2864, 3041, 2860, ]
+ gr: [2123, 2151, 2065, 2008, 1917, 1836, 1766, 1738, 1740, 1752, 1817, 1882, 1943, 2023, 2110, 2206, 2123, 2143, 2093, 2006, 1915, 1810, 1724, 1632, 1597, 1588, 1608, 1665, 1733, 1827, 1928, 2014, 2122, 2189, 2104, 2052, 1936, 1805, 1686, 1575, 1502, 1464, 1446, 1461, 1512, 1597, 1705, 1827, 1949, 2027, 2124, 2066, 1962, 1856, 1704, 1563, 1450, 1376, 1323, 1310, 1323, 1371, 1466, 1570, 1714, 1868, 1954, 2066, 1997, 1917, 1771, 1622, 1466, 1351, 1258, 1217, 1199, 1211, 1265, 1351, 1469, 1622, 1781, 1891, 1989, 1958, 1863, 1700, 1537, 1382, 1265, 1182, 1133, 1118, 1128, 1178, 1254, 1385, 1537, 1695, 1838, 1943, 1935, 1829, 1642, 1480, 1319, 1202, 1122, 1078, 1061, 1073, 1114, 1196, 1316, 1477, 1655, 1806, 1913, 1953, 1794, 1639, 1442, 1288, 1171, 1089, 1047, 1031, 1044, 1083, 1153, 1279, 1436, 1623, 1783, 1924, 1940, 1807, 1621, 1442, 1283, 1166, 1083, 1041, 1024, 1034, 1073, 1147, 1270, 1436, 1608, 1768, 1897, 1968, 1828, 1639, 1470, 1297, 1182, 1096, 1055, 1038, 1050, 1090, 1168, 1290, 1442, 1627, 1783, 1917, 1942, 1841, 1682, 1510, 1349, 1222, 1132, 1088, 1067, 1081, 1127, 1206, 1326, 1486, 1651, 1811, 1942, 2005, 1901, 1743, 1578, 1422, 1303, 1209, 1152, 1135, 1148, 1191, 1280, 1399, 1548, 1719, 1845, 1974, 2057, 1952, 1830, 1685, 1512, 1393, 1305, 1245, 1221, 1233, 1289, 1372, 1489, 1634, 1776, 1904, 2031, 2113, 2007, 1918, 1777, 1640, 1511, 1423, 1360, 1344, 1360, 1400, 1494, 1608, 1742, 1862, 1976, 2123, 2199, 2104, 2006, 1879, 1756, 1649, 1553, 1502, 1480, 1495, 1546, 1633, 1732, 1839, 1956, 2052, 2210, 2300, 2191, 2104, 2010, 1907, 1802, 1717, 1669, 1655, 1673, 1717, 1792, 1878, 1955, 2054, 2222, 2274, 2310, 2336, 2195, 2103, 2012, 1925, 1861, 1823, 1814, 1844, 1889, 1931, 2004, 2079, 2166, 2287, 2213, ]
+ gb: [2166, 2183, 2106, 2056, 1961, 1889, 1800, 1772, 1760, 1791, 1821, 1907, 1948, 2040, 2115, 2205, 2191, 2197, 2125, 2062, 1973, 1862, 1758, 1680, 1620, 1612, 1636, 1693, 1758, 1851, 1953, 2031, 2125, 2174, 2125, 2067, 1974, 1852, 1719, 1621, 1532, 1477, 1465, 1480, 1535, 1605, 1724, 1852, 1967, 2050, 2156, 2107, 2015, 1893, 1738, 1608, 1485, 1406, 1337, 1319, 1337, 1382, 1476, 1589, 1733, 1869, 1985, 2070, 2037, 1948, 1806, 1641, 1501, 1377, 1287, 1227, 1215, 1227, 1274, 1364, 1485, 1645, 1806, 1928, 2028, 1981, 1887, 1728, 1564, 1409, 1285, 1199, 1145, 1125, 1135, 1183, 1270, 1395, 1560, 1733, 1868, 1974, 1965, 1841, 1670, 1509, 1349, 1221, 1138, 1084, 1065, 1073, 1121, 1208, 1332, 1496, 1670, 1835, 1958, 1948, 1818, 1642, 1467, 1315, 1185, 1099, 1052, 1035, 1042, 1084, 1163, 1292, 1458, 1638, 1812, 1948, 1942, 1809, 1635, 1467, 1296, 1178, 1094, 1039, 1024, 1038, 1073, 1157, 1285, 1451, 1640, 1803, 1935, 1948, 1812, 1646, 1483, 1317, 1196, 1107, 1057, 1043, 1053, 1090, 1183, 1296, 1464, 1650, 1818, 1941, 1965, 1841, 1687, 1519, 1362, 1243, 1145, 1094, 1075, 1088, 1137, 1225, 1339, 1512, 1692, 1835, 1988, 1981, 1893, 1738, 1586, 1435, 1314, 1218, 1160, 1143, 1158, 1212, 1294, 1418, 1578, 1742, 1887, 2005, 2037, 1948, 1838, 1674, 1527, 1398, 1309, 1251, 1236, 1253, 1305, 1385, 1514, 1674, 1816, 1934, 2062, 2098, 2015, 1899, 1791, 1656, 1530, 1430, 1379, 1360, 1379, 1428, 1517, 1639, 1781, 1893, 2015, 2117, 2199, 2075, 1988, 1910, 1776, 1664, 1583, 1518, 1502, 1525, 1576, 1668, 1776, 1898, 1981, 2084, 2221, 2269, 2204, 2103, 2021, 1921, 1827, 1751, 1676, 1671, 1693, 1755, 1843, 1927, 2007, 2095, 2224, 2294, 2285, 2285, 2190, 2112, 2009, 1956, 1909, 1853, 1845, 1864, 1921, 1995, 2058, 2137, 2199, 2308, 2231, ]
+ b: [2007, 2014, 1951, 1922, 1856, 1794, 1746, 1720, 1718, 1747, 1818, 1865, 1956, 2026, 2146, 2219, 2251, 2020, 1954, 1914, 1840, 1745, 1673, 1626, 1592, 1586, 1613, 1674, 1732, 1851, 1938, 2030, 2131, 2207, 1927, 1878, 1807, 1732, 1628, 1548, 1486, 1461, 1440, 1465, 1519, 1601, 1715, 1846, 1943, 2018, 2141, 1863, 1826, 1730, 1633, 1515, 1436, 1369, 1326, 1318, 1337, 1399, 1479, 1598, 1729, 1865, 1962, 2051, 1840, 1751, 1653, 1541, 1426, 1333, 1265, 1217, 1214, 1223, 1281, 1373, 1493, 1641, 1794, 1908, 2015, 1803, 1695, 1587, 1462, 1347, 1245, 1173, 1139, 1122, 1139, 1197, 1288, 1404, 1555, 1712, 1845, 1987, 1781, 1659, 1544, 1402, 1284, 1186, 1117, 1075, 1065, 1088, 1131, 1214, 1342, 1504, 1667, 1808, 1945, 1753, 1639, 1509, 1376, 1253, 1152, 1083, 1045, 1040, 1051, 1094, 1177, 1307, 1464, 1630, 1782, 1939, 1752, 1626, 1510, 1370, 1248, 1141, 1076, 1037, 1024, 1043, 1087, 1163, 1299, 1452, 1631, 1789, 1927, 1761, 1639, 1509, 1384, 1259, 1157, 1088, 1049, 1036, 1061, 1103, 1190, 1321, 1469, 1648, 1806, 1939, 1772, 1673, 1550, 1423, 1304, 1194, 1124, 1088, 1073, 1094, 1143, 1231, 1353, 1508, 1673, 1816, 1955, 1794, 1709, 1599, 1495, 1373, 1269, 1191, 1149, 1129, 1159, 1210, 1298, 1429, 1571, 1726, 1854, 2010, 1840, 1759, 1679, 1567, 1448, 1358, 1284, 1234, 1228, 1249, 1306, 1392, 1507, 1647, 1794, 1917, 2076, 1929, 1835, 1760, 1670, 1565, 1470, 1388, 1351, 1335, 1362, 1423, 1511, 1609, 1743, 1865, 1983, 2145, 2028, 1898, 1841, 1761, 1670, 1590, 1519, 1483, 1475, 1505, 1563, 1640, 1749, 1862, 1943, 2078, 2218, 2109, 2014, 1944, 1883, 1812, 1745, 1674, 1630, 1635, 1665, 1717, 1801, 1884, 1967, 2064, 2188, 2295, 2157, 2126, 2020, 1952, 1891, 1833, 1781, 1761, 1773, 1803, 1857, 1943, 2005, 2026, 2159, 2268, 2251, ]
+
+...
diff --git a/src/ipa/rkisp1/data/ov4689.yaml b/src/ipa/rkisp1/data/ov4689.yaml
new file mode 100644
index 00000000..2068684c
--- /dev/null
+++ b/src/ipa/rkisp1/data/ov4689.yaml
@@ -0,0 +1,13 @@
+# SPDX-License-Identifier: CC0-1.0
+%YAML 1.1
+---
+version: 1
+algorithms:
+ - Agc:
+ - Awb:
+ - BlackLevelCorrection:
+ R: 66
+ Gr: 66
+ Gb: 66
+ B: 66
+...
diff --git a/src/ipa/rkisp1/data/ov5640.yaml b/src/ipa/rkisp1/data/ov5640.yaml
index 232d8ae8..897b83cb 100644
--- a/src/ipa/rkisp1/data/ov5640.yaml
+++ b/src/ipa/rkisp1/data/ov5640.yaml
@@ -1,5 +1,5 @@
# SPDX-License-Identifier: CC0-1.0
-%YAML 1.2
+%YAML 1.1
---
version: 1
algorithms:
@@ -10,4 +10,245 @@ algorithms:
Gr: 256
Gb: 256
B: 256
+ - ColorProcessing:
+ - GammaSensorLinearization:
+ x-intervals: [ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 ]
+ y:
+ red: [ 0, 256, 512, 768, 1024, 1280, 1536, 1792, 2048, 2304, 2560, 2816, 3072, 3328, 3584, 3840, 4095 ]
+ green: [ 0, 256, 512, 768, 1024, 1280, 1536, 1792, 2048, 2304, 2560, 2816, 3072, 3328, 3584, 3840, 4095 ]
+ blue: [ 0, 256, 512, 768, 1024, 1280, 1536, 1792, 2048, 2304, 2560, 2816, 3072, 3328, 3584, 3840, 4095 ]
+ - LensShadingCorrection:
+ x-size: [ 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625 ]
+ y-size: [ 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625 ]
+ sets:
+ - ct: 3000
+ r: [
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ ]
+ gr: [
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ ]
+ gb: [
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ ]
+ b: [
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024,
+ ]
+ - ct: 7000
+ r: [
+ 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536,
+ 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536,
+ 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536,
+ 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536,
+ 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536,
+ 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536,
+ 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536,
+ 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536,
+ 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536,
+ 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536,
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+ 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536,
+ 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536,
+ 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536,
+ 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536,
+ ]
+ gr: [
+ 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536,
+ 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536,
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+ 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536,
+ 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536,
+ 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536,
+ 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536,
+ 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536,
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+ 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536,
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+ 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536,
+ ]
+ gb: [
+ 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536,
+ 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536,
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+ 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536,
+ ]
+ b: [
+ 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536,
+ 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536,
+ 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536,
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+ 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536, 1536,
+ ]
+ - DefectPixelClusterCorrection:
+ fixed-set: false
+ sets:
+ # PG, LC, RO, RND, RG
+ - line-threshold:
+ green: 8
+ red-blue: 8
+ line-mad-factor:
+ green: 4
+ red-blue: 4
+ pg-factor:
+ green: 8
+ red-blue: 8
+ rnd-threshold:
+ green: 10
+ red-blue: 10
+ rg-factor:
+ green: 32
+ red-blue: 32
+ ro-limits:
+ green: 1
+ red-blue: 1
+ rnd-offsets:
+ green: 2
+ red-blue: 2
+ # PG, LC, RO
+ - line-threshold:
+ green: 24
+ red-blue: 32
+ line-mad-factor:
+ green: 16
+ red-blue: 24
+ pg-factor:
+ green: 6
+ red-blue: 8
+ ro-limits:
+ green: 2
+ red-blue: 2
+ # PG, LC, RO, RND, RG
+ - line-threshold:
+ green: 32
+ red-blue: 32
+ line-mad-factor:
+ green: 4
+ red-blue: 4
+ pg-factor:
+ green: 10
+ red-blue: 10
+ rnd-threshold:
+ green: 6
+ red-blue: 8
+ rg-factor:
+ green: 4
+ red-blue: 4
+ ro-limits:
+ green: 1
+ red-blue: 2
+ rnd-offsets:
+ green: 2
+ red-blue: 2
+ - Dpf:
+ DomainFilter:
+ g: [ 16, 16, 16, 16, 16, 16 ]
+ rb: [ 16, 16, 16, 16, 16, 16 ]
+ NoiseLevelFunction:
+ coeff: [
+ 1023, 1023, 1023, 1023, 1023, 1023, 1023, 1023,
+ 1023, 1023, 1023, 1023, 1023, 1023, 1023, 1023,
+ 1023
+ ]
+ scale-mode: "linear"
+ FilterStrength:
+ r: 64
+ g: 64
+ b: 64
+ - Filter:
...
diff --git a/src/ipa/rkisp1/data/ov5695.yaml b/src/ipa/rkisp1/data/ov5695.yaml
new file mode 100644
index 00000000..2e39e3a5
--- /dev/null
+++ b/src/ipa/rkisp1/data/ov5695.yaml
@@ -0,0 +1,41 @@
+# SPDX-License-Identifier: CC0-1.0
+%YAML 1.1
+---
+version: 1
+algorithms:
+ - Agc:
+ - Awb:
+ - LensShadingCorrection:
+ x-size: [ 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625 ]
+ y-size: [ 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625 ]
+ sets:
+ #2592x1944_A_70 - A
+ - ct: 2856
+ resolution: 2592x1944
+ r: [2312, 2874, 2965, 2789, 2603, 2424, 2288, 2176, 2151, 2176, 2240, 2345, 2520, 2736, 2856, 2825, 2272, 2675, 3026, 2925, 2693, 2443, 2247, 2074, 1992, 1947, 1972, 2066, 2211, 2386, 2618, 2847, 2953, 2698, 2927, 3008, 2846, 2541, 2272, 2037, 1867, 1782, 1740, 1762, 1855, 1981, 2198, 2454, 2711, 2963, 2927, 2974, 2920, 2664, 2337, 2061, 1822, 1648, 1550, 1503, 1550, 1648, 1794, 1982, 2257, 2565, 2805, 2880, 2933, 2799, 2472, 2161, 1880, 1631, 1457, 1361, 1328, 1364, 1448, 1602, 1817, 2087, 2390, 2698, 2911, 2947, 2734, 2404, 2061, 1759, 1525, 1340, 1244, 1209, 1240, 1343, 1473, 1701, 1975, 2278, 2641, 2823, 2948, 2680, 2342, 1979, 1667, 1425, 1259, 1159, 1125, 1159, 1238, 1407, 1633, 1914, 2235, 2592, 2866, 2936, 2661, 2276, 1908, 1624, 1368, 1190, 1097, 1058, 1086, 1178, 1341, 1556, 1848, 2175, 2509, 2763, 2873, 2603, 2230, 1868, 1578, 1320, 1157, 1058, 1024, 1053, 1142, 1302, 1521, 1789, 2125, 2471, 2760, 2896, 2661, 2276, 1914, 1591, 1349, 1176, 1083, 1044, 1080, 1166, 1327, 1544, 1814, 2141, 2509, 2763, 2969, 2710, 2342, 1985, 1676, 1431, 1250, 1146, 1105, 1140, 1234, 1392, 1616, 1895, 2235, 2578, 2847, 3060, 2800, 2426, 2076, 1764, 1518, 1335, 1227, 1197, 1227, 1314, 1486, 1696, 1989, 2298, 2641, 2863, 2978, 2853, 2496, 2169, 1880, 1631, 1457, 1345, 1304, 1334, 1429, 1586, 1811, 2064, 2378, 2698, 2867, 3024, 2960, 2664, 2327, 2054, 1811, 1626, 1517, 1490, 1514, 1597, 1763, 1962, 2229, 2538, 2768, 2926, 3032, 3077, 2864, 2554, 2272, 2052, 1861, 1747, 1716, 1742, 1816, 1995, 2190, 2454, 2727, 2920, 2927, 2849, 3155, 3008, 2772, 2490, 2276, 2121, 2006, 1954, 1978, 2066, 2202, 2408, 2648, 2847, 2977, 2797, 2440, 3116, 3132, 2900, 2738, 2509, 2329, 2239, 2194, 2230, 2298, 2436, 2617, 2825, 2965, 2899, 2312, ]
+ gr: [1557, 1922, 2004, 1947, 1841, 1757, 1689, 1651, 1631, 1647, 1680, 1737, 1835, 1911, 1995, 1941, 1613, 1820, 2038, 1996, 1900, 1779, 1692, 1617, 1565, 1549, 1554, 1594, 1670, 1753, 1875, 1957, 2029, 1848, 2009, 2064, 1956, 1834, 1715, 1601, 1518, 1474, 1446, 1459, 1505, 1582, 1666, 1796, 1935, 2029, 2009, 2013, 2006, 1874, 1731, 1602, 1493, 1409, 1346, 1332, 1348, 1395, 1474, 1576, 1689, 1843, 1944, 2003, 1982, 1931, 1783, 1637, 1496, 1386, 1297, 1238, 1219, 1239, 1284, 1370, 1474, 1601, 1747, 1897, 2000, 1998, 1920, 1755, 1587, 1455, 1325, 1228, 1171, 1159, 1176, 1223, 1311, 1418, 1565, 1707, 1855, 1990, 2007, 1897, 1733, 1574, 1423, 1296, 1183, 1121, 1101, 1132, 1182, 1277, 1396, 1539, 1696, 1866, 1990, 2000, 1870, 1692, 1529, 1377, 1239, 1141, 1077, 1057, 1079, 1141, 1230, 1350, 1493, 1640, 1810, 1961, 1957, 1849, 1669, 1496, 1356, 1212, 1112, 1053, 1024, 1049, 1106, 1203, 1322, 1465, 1615, 1780, 1919, 1969, 1870, 1675, 1515, 1365, 1232, 1128, 1063, 1042, 1068, 1123, 1220, 1345, 1483, 1628, 1788, 1945, 2007, 1917, 1728, 1574, 1420, 1285, 1173, 1115, 1088, 1109, 1170, 1268, 1388, 1532, 1678, 1835, 1999, 2033, 1927, 1760, 1613, 1461, 1334, 1234, 1175, 1145, 1168, 1225, 1311, 1423, 1557, 1726, 1874, 2015, 2000, 1960, 1810, 1641, 1515, 1391, 1292, 1228, 1212, 1232, 1275, 1358, 1462, 1601, 1737, 1883, 1974, 2032, 2006, 1874, 1712, 1594, 1477, 1395, 1329, 1316, 1327, 1375, 1453, 1547, 1671, 1808, 1937, 1994, 2039, 2064, 1971, 1829, 1701, 1608, 1521, 1465, 1441, 1462, 1498, 1571, 1666, 1785, 1921, 2003, 2039, 1886, 2087, 2062, 1926, 1817, 1706, 1637, 1572, 1560, 1572, 1613, 1688, 1774, 1868, 1973, 2029, 1886, 1692, 2020, 2067, 2008, 1897, 1822, 1741, 1704, 1683, 1695, 1727, 1783, 1872, 1977, 2022, 1989, 1639, ]
+ gb: [1553, 1926, 1992, 1930, 1852, 1746, 1675, 1630, 1611, 1622, 1671, 1726, 1804, 1915, 1992, 1955, 1584, 1852, 2043, 2001, 1879, 1773, 1674, 1602, 1548, 1532, 1541, 1583, 1661, 1752, 1867, 1986, 2034, 1881, 1993, 2060, 1976, 1811, 1697, 1590, 1505, 1459, 1439, 1453, 1496, 1579, 1674, 1795, 1940, 2051, 2034, 2018, 2003, 1866, 1735, 1594, 1478, 1396, 1339, 1326, 1339, 1388, 1463, 1579, 1707, 1842, 1980, 2037, 2014, 1950, 1793, 1641, 1509, 1384, 1291, 1229, 1209, 1231, 1283, 1369, 1481, 1625, 1751, 1901, 2023, 2029, 1925, 1750, 1602, 1458, 1330, 1228, 1162, 1144, 1166, 1218, 1308, 1433, 1572, 1730, 1872, 2029, 2020, 1934, 1752, 1578, 1429, 1288, 1181, 1116, 1102, 1130, 1184, 1278, 1400, 1546, 1700, 1870, 2020, 2030, 1899, 1706, 1536, 1388, 1239, 1137, 1074, 1053, 1078, 1134, 1235, 1358, 1509, 1661, 1838, 1989, 1985, 1853, 1682, 1522, 1356, 1209, 1114, 1050, 1024, 1046, 1106, 1206, 1335, 1478, 1623, 1801, 1954, 2005, 1887, 1706, 1536, 1383, 1235, 1131, 1063, 1045, 1059, 1120, 1225, 1356, 1493, 1666, 1815, 1981, 2063, 1948, 1767, 1589, 1438, 1293, 1183, 1116, 1093, 1115, 1174, 1272, 1400, 1546, 1695, 1877, 2012, 2055, 1952, 1795, 1633, 1476, 1347, 1235, 1167, 1146, 1160, 1230, 1323, 1435, 1579, 1730, 1898, 2046, 2059, 1972, 1843, 1666, 1519, 1402, 1291, 1231, 1209, 1233, 1283, 1366, 1481, 1613, 1767, 1922, 2023, 2066, 2036, 1903, 1740, 1609, 1484, 1399, 1337, 1317, 1330, 1378, 1451, 1572, 1689, 1830, 1964, 2037, 2034, 2097, 2005, 1856, 1724, 1608, 1521, 1471, 1450, 1456, 1505, 1593, 1688, 1805, 1940, 2051, 2045, 1974, 2123, 2067, 1958, 1827, 1719, 1633, 1580, 1563, 1576, 1609, 1688, 1783, 1892, 2009, 2053, 1911, 1652, 2078, 2101, 2021, 1915, 1837, 1731, 1682, 1661, 1686, 1717, 1782, 1864, 1982, 2036, 2005, 1669, ]
+ b: [1439, 1756, 1796, 1808, 1716, 1631, 1568, 1537, 1530, 1546, 1578, 1608, 1676, 1744, 1796, 1756, 1456, 1685, 1858, 1830, 1764, 1687, 1603, 1529, 1486, 1489, 1486, 1493, 1552, 1628, 1721, 1812, 1858, 1727, 1837, 1888, 1825, 1726, 1628, 1548, 1478, 1449, 1423, 1434, 1462, 1521, 1566, 1688, 1809, 1888, 1837, 1889, 1857, 1775, 1680, 1576, 1467, 1403, 1336, 1309, 1329, 1369, 1429, 1529, 1623, 1733, 1822, 1868, 1852, 1828, 1704, 1585, 1486, 1377, 1285, 1237, 1216, 1232, 1268, 1344, 1438, 1536, 1667, 1764, 1813, 1853, 1815, 1675, 1576, 1436, 1333, 1226, 1158, 1145, 1158, 1216, 1298, 1407, 1503, 1640, 1754, 1816, 1908, 1800, 1691, 1536, 1422, 1296, 1188, 1114, 1095, 1114, 1174, 1268, 1388, 1485, 1623, 1742, 1851, 1865, 1783, 1646, 1513, 1378, 1236, 1124, 1071, 1050, 1074, 1132, 1211, 1333, 1463, 1603, 1713, 1829, 1822, 1736, 1621, 1486, 1358, 1211, 1109, 1040, 1024, 1037, 1101, 1197, 1314, 1423, 1559, 1683, 1788, 1829, 1769, 1635, 1513, 1371, 1231, 1128, 1057, 1033, 1057, 1112, 1202, 1327, 1455, 1572, 1700, 1794, 1870, 1831, 1679, 1554, 1430, 1290, 1170, 1103, 1091, 1107, 1165, 1263, 1374, 1501, 1623, 1742, 1833, 1911, 1863, 1724, 1586, 1459, 1352, 1236, 1171, 1153, 1171, 1221, 1315, 1414, 1520, 1663, 1799, 1872, 1913, 1861, 1730, 1626, 1511, 1397, 1296, 1242, 1221, 1227, 1279, 1350, 1446, 1555, 1691, 1779, 1852, 1934, 1893, 1804, 1703, 1576, 1475, 1396, 1329, 1309, 1336, 1363, 1437, 1538, 1634, 1747, 1839, 1868, 1955, 1991, 1910, 1808, 1696, 1596, 1537, 1472, 1445, 1457, 1494, 1539, 1617, 1739, 1825, 1928, 1860, 1818, 2015, 1981, 1906, 1778, 1680, 1627, 1585, 1551, 1566, 1596, 1646, 1725, 1824, 1902, 1945, 1794, 1571, 1937, 1977, 1932, 1866, 1784, 1714, 1674, 1642, 1662, 1678, 1730, 1788, 1859, 1913, 1912, 1592, ]
+ #2592x1944_D65_70 - D65
+ - ct: 6504
+ resolution: 2592x1944
+ r: [2457, 2985, 2981, 2763, 2587, 2383, 2222, 2123, 2089, 2123, 2167, 2270, 2466, 2638, 2823, 2805, 2457, 2770, 3097, 2893, 2640, 2410, 2169, 2039, 1933, 1908, 1914, 1973, 2117, 2295, 2514, 2728, 2953, 2735, 3009, 2991, 2771, 2467, 2201, 1985, 1825, 1726, 1679, 1703, 1791, 1924, 2085, 2345, 2583, 2806, 2898, 3015, 2906, 2586, 2267, 2005, 1790, 1629, 1527, 1488, 1505, 1597, 1734, 1923, 2169, 2447, 2714, 2876, 2953, 2756, 2435, 2120, 1832, 1617, 1462, 1359, 1326, 1351, 1423, 1573, 1774, 2014, 2285, 2612, 2857, 2963, 2676, 2324, 2016, 1735, 1499, 1334, 1234, 1201, 1227, 1313, 1452, 1649, 1893, 2177, 2503, 2754, 2883, 2582, 2252, 1912, 1634, 1401, 1236, 1144, 1106, 1135, 1215, 1365, 1570, 1804, 2091, 2443, 2715, 2839, 2555, 2196, 1860, 1576, 1346, 1180, 1084, 1046, 1077, 1161, 1305, 1501, 1767, 2056, 2384, 2678, 2797, 2546, 2165, 1832, 1546, 1314, 1150, 1060, 1024, 1046, 1133, 1275, 1474, 1726, 2030, 2378, 2667, 2811, 2555, 2169, 1843, 1564, 1321, 1161, 1069, 1032, 1057, 1146, 1289, 1496, 1751, 2021, 2350, 2653, 2883, 2603, 2195, 1884, 1614, 1388, 1219, 1116, 1077, 1107, 1196, 1335, 1529, 1787, 2079, 2406, 2689, 2900, 2630, 2293, 1963, 1677, 1462, 1294, 1194, 1157, 1181, 1274, 1403, 1622, 1847, 2163, 2464, 2727, 2920, 2731, 2400, 2071, 1798, 1567, 1404, 1301, 1264, 1293, 1376, 1514, 1711, 1949, 2224, 2568, 2767, 3015, 2820, 2545, 2196, 1933, 1719, 1554, 1452, 1422, 1442, 1525, 1661, 1847, 2078, 2358, 2639, 2780, 2971, 2927, 2674, 2396, 2110, 1904, 1767, 1654, 1611, 1627, 1720, 1848, 2026, 2250, 2540, 2722, 2863, 2842, 3023, 2864, 2576, 2311, 2105, 1952, 1857, 1808, 1830, 1912, 2033, 2205, 2417, 2652, 2822, 2667, 2489, 3024, 2981, 2737, 2546, 2317, 2180, 2086, 2041, 2050, 2140, 2255, 2391, 2615, 2735, 2840, 2366, ]
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+ #2592x1944_F2_CWF_70 - F2_CWF
+ - ct: 4230
+ resolution: 2592x1944
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+ #2592x1944_D50_70 - D50
+ - ct: 5003
+ resolution: 2592x1944
+ r: [2445, 2929, 2967, 2734, 2576, 2380, 2211, 2113, 2074, 2072, 2166, 2255, 2383, 2626, 2861, 2812, 2411, 2795, 3067, 2915, 2660, 2369, 2162, 2038, 1940, 1900, 1919, 1978, 2106, 2281, 2519, 2702, 2875, 2718, 2953, 3006, 2761, 2452, 2197, 1964, 1815, 1720, 1676, 1712, 1769, 1899, 2070, 2268, 2581, 2739, 2798, 3022, 2895, 2570, 2275, 2011, 1793, 1619, 1512, 1486, 1506, 1577, 1740, 1898, 2123, 2420, 2659, 2869, 2939, 2776, 2457, 2132, 1863, 1619, 1479, 1366, 1332, 1356, 1435, 1571, 1769, 1978, 2272, 2543, 2736, 2905, 2703, 2360, 2023, 1747, 1516, 1355, 1247, 1214, 1243, 1332, 1457, 1651, 1898, 2194, 2488, 2714, 2945, 2615, 2257, 1937, 1653, 1419, 1242, 1151, 1117, 1138, 1219, 1374, 1575, 1795, 2080, 2417, 2695, 2795, 2558, 2207, 1875, 1586, 1350, 1182, 1089, 1046, 1084, 1158, 1305, 1497, 1736, 2027, 2351, 2624, 2840, 2547, 2201, 1863, 1566, 1323, 1172, 1068, 1024, 1057, 1142, 1288, 1484, 1725, 2010, 2343, 2584, 2857, 2580, 2222, 1875, 1573, 1355, 1182, 1086, 1046, 1072, 1151, 1301, 1509, 1762, 2052, 2371, 2707, 2912, 2615, 2257, 1904, 1631, 1389, 1227, 1129, 1090, 1122, 1197, 1331, 1529, 1777, 2040, 2397, 2639, 2905, 2628, 2290, 1987, 1698, 1457, 1296, 1202, 1154, 1181, 1259, 1398, 1607, 1826, 2119, 2466, 2684, 2939, 2748, 2399, 2078, 1796, 1584, 1424, 1310, 1276, 1297, 1377, 1519, 1708, 1943, 2222, 2543, 2736, 2982, 2863, 2570, 2243, 1964, 1740, 1570, 1470, 1435, 1448, 1537, 1683, 1856, 2094, 2342, 2632, 2798, 3037, 2970, 2681, 2413, 2111, 1920, 1769, 1672, 1616, 1634, 1709, 1847, 2019, 2234, 2488, 2709, 2835, 2836, 3026, 2851, 2611, 2315, 2106, 1932, 1836, 1801, 1807, 1899, 2027, 2199, 2392, 2620, 2805, 2644, 2515, 3013, 2967, 2792, 2553, 2343, 2181, 2046, 2035, 2033, 2108, 2239, 2444, 2575, 2731, 2812, 2411, ]
+ gr: [1764, 2120, 2133, 2015, 1886, 1783, 1704, 1644, 1626, 1631, 1666, 1739, 1792, 1938, 2020, 2014, 1727, 1988, 2163, 2079, 1945, 1797, 1681, 1595, 1551, 1526, 1533, 1567, 1619, 1707, 1833, 1963, 2052, 1936, 2115, 2119, 1964, 1824, 1676, 1555, 1486, 1428, 1406, 1425, 1447, 1526, 1623, 1720, 1866, 2001, 2030, 2142, 2062, 1902, 1716, 1580, 1465, 1376, 1321, 1301, 1314, 1355, 1428, 1513, 1645, 1791, 1941, 2022, 2104, 1988, 1816, 1663, 1515, 1388, 1294, 1235, 1215, 1225, 1271, 1350, 1449, 1571, 1719, 1880, 2028, 2113, 1963, 1766, 1588, 1445, 1325, 1231, 1168, 1142, 1155, 1213, 1284, 1392, 1517, 1662, 1835, 1980, 2065, 1897, 1712, 1544, 1394, 1268, 1163, 1105, 1080, 1097, 1147, 1225, 1348, 1464, 1603, 1780, 1948, 2044, 1877, 1672, 1512, 1355, 1223, 1127, 1057, 1038, 1052, 1107, 1193, 1312, 1437, 1593, 1741, 1931, 2004, 1873, 1674, 1501, 1350, 1211, 1113, 1048, 1024, 1038, 1095, 1180, 1301, 1424, 1571, 1738, 1895, 2027, 1871, 1681, 1506, 1361, 1227, 1123, 1064, 1035, 1057, 1104, 1189, 1310, 1440, 1573, 1758, 1916, 2048, 1884, 1707, 1526, 1374, 1248, 1154, 1087, 1069, 1073, 1128, 1205, 1317, 1455, 1590, 1757, 1925, 2031, 1907, 1720, 1557, 1406, 1289, 1193, 1129, 1104, 1116, 1170, 1244, 1348, 1478, 1621, 1792, 1947, 2075, 1973, 1777, 1615, 1465, 1355, 1269, 1195, 1176, 1184, 1234, 1302, 1412, 1532, 1669, 1826, 1975, 2100, 2028, 1870, 1687, 1542, 1443, 1352, 1294, 1264, 1278, 1324, 1393, 1492, 1602, 1757, 1911, 2031, 2093, 2054, 1935, 1763, 1631, 1529, 1441, 1393, 1361, 1371, 1419, 1480, 1569, 1690, 1827, 1960, 2020, 1957, 2091, 1979, 1864, 1722, 1619, 1529, 1484, 1458, 1471, 1497, 1557, 1654, 1761, 1918, 2005, 1907, 1783, 2076, 2094, 1938, 1829, 1729, 1657, 1592, 1571, 1572, 1616, 1664, 1769, 1880, 1968, 1994, 1718, ]
+ gb: [1771, 2117, 2122, 1999, 1887, 1768, 1691, 1633, 1619, 1633, 1668, 1736, 1836, 1923, 2010, 2002, 1734, 2040, 2161, 2070, 1925, 1777, 1678, 1601, 1532, 1528, 1518, 1562, 1625, 1724, 1840, 1956, 2079, 1954, 2091, 2109, 1965, 1826, 1669, 1561, 1472, 1419, 1400, 1422, 1450, 1521, 1608, 1732, 1867, 2001, 2028, 2151, 2053, 1877, 1718, 1579, 1465, 1379, 1319, 1296, 1309, 1350, 1428, 1530, 1647, 1792, 1934, 2030, 2112, 2003, 1824, 1656, 1511, 1388, 1296, 1240, 1206, 1228, 1271, 1347, 1458, 1577, 1725, 1894, 2018, 2112, 1978, 1778, 1602, 1451, 1325, 1231, 1165, 1141, 1154, 1207, 1292, 1397, 1530, 1687, 1849, 2030, 2056, 1911, 1723, 1554, 1396, 1271, 1165, 1103, 1077, 1100, 1148, 1236, 1343, 1477, 1626, 1798, 1972, 2027, 1885, 1692, 1522, 1358, 1225, 1126, 1068, 1038, 1055, 1105, 1194, 1313, 1443, 1583, 1771, 1931, 2037, 1868, 1690, 1514, 1355, 1216, 1116, 1053, 1024, 1046, 1096, 1191, 1306, 1433, 1586, 1762, 1925, 2061, 1891, 1688, 1522, 1363, 1236, 1128, 1067, 1037, 1059, 1110, 1196, 1318, 1439, 1596, 1765, 1977, 2056, 1898, 1709, 1535, 1391, 1264, 1157, 1089, 1069, 1076, 1131, 1216, 1335, 1467, 1596, 1775, 1948, 2048, 1929, 1737, 1567, 1427, 1294, 1198, 1130, 1106, 1120, 1168, 1260, 1353, 1491, 1641, 1811, 1963, 2112, 1988, 1795, 1626, 1484, 1374, 1274, 1198, 1174, 1190, 1237, 1317, 1427, 1538, 1695, 1840, 2000, 2140, 2045, 1877, 1708, 1567, 1443, 1360, 1304, 1267, 1288, 1337, 1398, 1491, 1621, 1781, 1919, 2039, 2112, 2109, 1936, 1792, 1633, 1539, 1450, 1396, 1377, 1376, 1422, 1496, 1579, 1697, 1835, 1976, 2028, 2029, 2089, 2028, 1884, 1734, 1638, 1543, 1490, 1460, 1466, 1514, 1579, 1670, 1774, 1910, 2013, 1904, 1790, 2117, 2065, 1961, 1854, 1752, 1672, 1616, 1590, 1599, 1623, 1700, 1782, 1867, 1984, 2022, 1698, ]
+ b: [1676, 1930, 1956, 1924, 1811, 1685, 1640, 1571, 1556, 1544, 1569, 1639, 1710, 1802, 1890, 1881, 1642, 1930, 2013, 1952, 1827, 1711, 1616, 1538, 1488, 1472, 1470, 1494, 1560, 1632, 1724, 1825, 1906, 1803, 1985, 2007, 1894, 1759, 1625, 1524, 1440, 1401, 1380, 1385, 1411, 1463, 1537, 1649, 1765, 1876, 1884, 1996, 1961, 1831, 1676, 1555, 1444, 1367, 1301, 1282, 1295, 1328, 1383, 1468, 1580, 1708, 1833, 1900, 2020, 1914, 1777, 1618, 1508, 1382, 1284, 1227, 1197, 1216, 1251, 1325, 1408, 1511, 1639, 1796, 1915, 1998, 1901, 1716, 1581, 1447, 1327, 1226, 1169, 1134, 1155, 1199, 1269, 1368, 1486, 1608, 1741, 1879, 1959, 1838, 1674, 1531, 1387, 1269, 1158, 1094, 1072, 1082, 1132, 1217, 1323, 1431, 1568, 1706, 1847, 1956, 1806, 1645, 1497, 1352, 1222, 1124, 1059, 1031, 1049, 1093, 1177, 1292, 1398, 1528, 1686, 1800, 1945, 1806, 1634, 1494, 1357, 1211, 1110, 1049, 1024, 1034, 1080, 1174, 1277, 1388, 1519, 1673, 1809, 1989, 1822, 1664, 1497, 1366, 1239, 1115, 1065, 1033, 1049, 1095, 1183, 1295, 1406, 1544, 1679, 1855, 1981, 1838, 1674, 1512, 1384, 1260, 1151, 1086, 1062, 1069, 1121, 1198, 1303, 1423, 1540, 1691, 1847, 1964, 1856, 1683, 1550, 1422, 1294, 1189, 1122, 1103, 1113, 1164, 1237, 1332, 1446, 1574, 1741, 1859, 2008, 1885, 1755, 1606, 1471, 1371, 1263, 1197, 1169, 1182, 1228, 1298, 1392, 1501, 1620, 1763, 1883, 2034, 1950, 1823, 1676, 1540, 1439, 1353, 1298, 1269, 1276, 1325, 1383, 1468, 1575, 1700, 1833, 1923, 2012, 1995, 1894, 1744, 1625, 1519, 1440, 1389, 1361, 1370, 1403, 1467, 1558, 1642, 1773, 1876, 1908, 1903, 2038, 1942, 1844, 1704, 1599, 1528, 1484, 1445, 1457, 1494, 1544, 1602, 1724, 1843, 1906, 1827, 1724, 2051, 2027, 1914, 1827, 1698, 1640, 1577, 1566, 1588, 1604, 1633, 1717, 1811, 1901, 1930, 1665, ]
+
+...
diff --git a/src/ipa/rkisp1/data/ov8858.yaml b/src/ipa/rkisp1/data/ov8858.yaml
new file mode 100644
index 00000000..f297b0e0
--- /dev/null
+++ b/src/ipa/rkisp1/data/ov8858.yaml
@@ -0,0 +1,54 @@
+# SPDX-License-Identifier: CC0-1.0
+%YAML 1.1
+---
+version: 1
+algorithms:
+ - Agc:
+ - Awb:
+ - LensShadingCorrection:
+ x-size: [ 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625 ]
+ y-size: [ 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625, 0.0625 ]
+ sets:
+ #3264x2448_A_70 - A
+ - ct: 2856
+ resolution: 3264x2448
+ r: [4095, 3932, 3584, 3324, 3113, 2934, 2747, 2619, 2566, 2579, 2671, 2816, 3009, 3217, 3444, 3843, 4095, 4095, 3658, 3343, 3088, 2867, 2620, 2404, 2271, 2207, 2229, 2315, 2485, 2727, 2965, 3232, 3500, 4057, 3926, 3482, 3187, 2914, 2612, 2330, 2112, 1976, 1917, 1931, 2028, 2198, 2456, 2762, 3042, 3335, 3770, 3739, 3331, 3029, 2720, 2364, 2070, 1852, 1718, 1655, 1669, 1765, 1940, 2207, 2538, 2878, 3183, 3565, 3590, 3209, 2910, 2524, 2156, 1860, 1642, 1493, 1431, 1446, 1551, 1734, 1986, 2338, 2721, 3075, 3405, 3484, 3116, 2778, 2373, 1997, 1698, 1466, 1315, 1254, 1272, 1374, 1562, 1825, 2169, 2587, 2946, 3317, 3415, 3044, 2682, 2252, 1873, 1574, 1336, 1192, 1126, 1146, 1249, 1437, 1712, 2050, 2462, 2877, 3238, 3355, 3002, 2619, 2171, 1800, 1490, 1259, 1112, 1051, 1073, 1173, 1359, 1635, 1977, 2388, 2813, 3182, 3348, 2969, 2587, 2138, 1768, 1457, 1228, 1085, 1024, 1043, 1144, 1326, 1603, 1950, 2364, 2783, 3170, 3344, 2984, 2594, 2152, 1776, 1468, 1239, 1098, 1041, 1061, 1161, 1342, 1617, 1962, 2373, 2798, 3177, 3388, 3011, 2637, 2207, 1829, 1528, 1298, 1158, 1100, 1120, 1217, 1408, 1677, 2018, 2429, 2841, 3192, 3442, 3064, 2718, 2301, 1929, 1633, 1405, 1263, 1205, 1224, 1326, 1513, 1777, 2119, 2525, 2903, 3274, 3557, 3138, 2822, 2435, 2066, 1775, 1558, 1414, 1355, 1378, 1478, 1663, 1927, 2255, 2657, 2987, 3369, 3682, 3256, 2940, 2604, 2252, 1958, 1748, 1609, 1557, 1576, 1677, 1857, 2106, 2445, 2793, 3096, 3526, 3874, 3380, 3075, 2783, 2472, 2189, 1974, 1846, 1790, 1811, 1909, 2086, 2342, 2643, 2934, 3247, 3743, 4095, 3583, 3218, 2950, 2708, 2456, 2257, 2114, 2064, 2083, 2185, 2364, 2598, 2856, 3111, 3444, 4045, 4095, 3842, 3474, 3155, 2950, 2731, 2575, 2440, 2388, 2413, 2499, 2659, 2846, 3056, 3334, 3796, 4095, ]
+ gr: [3246, 2753, 2547, 2359, 2249, 2148, 2052, 1977, 1938, 1947, 1995, 2082, 2183, 2277, 2411, 2655, 2957, 2906, 2568, 2361, 2223, 2092, 1964, 1850, 1767, 1735, 1740, 1790, 1881, 2002, 2124, 2265, 2437, 2751, 2740, 2449, 2261, 2106, 1950, 1798, 1681, 1604, 1570, 1577, 1626, 1714, 1846, 2012, 2149, 2322, 2581, 2628, 2348, 2169, 2000, 1808, 1654, 1539, 1460, 1419, 1429, 1483, 1576, 1710, 1881, 2062, 2231, 2443, 2541, 2279, 2102, 1891, 1687, 1536, 1420, 1330, 1289, 1298, 1362, 1459, 1589, 1773, 1967, 2168, 2352, 2459, 2226, 2027, 1797, 1599, 1442, 1313, 1221, 1179, 1190, 1253, 1359, 1497, 1675, 1898, 2100, 2286, 2406, 2180, 1976, 1732, 1531, 1369, 1231, 1140, 1096, 1109, 1174, 1284, 1431, 1608, 1824, 2055, 2245, 2374, 2148, 1928, 1684, 1484, 1317, 1178, 1084, 1043, 1058, 1122, 1234, 1387, 1562, 1785, 2020, 2218, 2363, 2140, 1910, 1663, 1464, 1292, 1156, 1063, 1024, 1036, 1102, 1214, 1363, 1547, 1762, 2004, 2194, 2366, 2136, 1917, 1670, 1469, 1302, 1163, 1073, 1032, 1047, 1111, 1223, 1373, 1552, 1775, 2009, 2206, 2383, 2158, 1940, 1703, 1506, 1339, 1201, 1112, 1072, 1087, 1150, 1265, 1408, 1584, 1805, 2030, 2228, 2434, 2189, 1994, 1757, 1557, 1400, 1270, 1181, 1142, 1154, 1218, 1328, 1468, 1640, 1860, 2068, 2267, 2497, 2235, 2043, 1837, 1630, 1477, 1360, 1273, 1238, 1249, 1310, 1412, 1544, 1725, 1924, 2124, 2329, 2592, 2305, 2109, 1925, 1731, 1576, 1460, 1384, 1350, 1364, 1422, 1513, 1648, 1818, 2009, 2174, 2427, 2699, 2379, 2188, 2022, 1860, 1696, 1588, 1510, 1480, 1489, 1543, 1637, 1771, 1937, 2072, 2269, 2546, 2862, 2514, 2276, 2120, 1983, 1850, 1737, 1664, 1628, 1642, 1695, 1787, 1914, 2043, 2182, 2390, 2734, 3175, 2661, 2434, 2232, 2119, 2004, 1921, 1849, 1813, 1816, 1874, 1959, 2049, 2159, 2317, 2604, 2891, ]
+ gb: [3248, 2762, 2549, 2352, 2241, 2135, 2024, 1949, 1910, 1923, 1970, 2058, 2167, 2278, 2427, 2679, 3003, 2939, 2581, 2369, 2212, 2084, 1945, 1829, 1743, 1710, 1713, 1773, 1861, 1999, 2127, 2278, 2456, 2799, 2766, 2468, 2268, 2114, 1949, 1788, 1666, 1587, 1550, 1557, 1612, 1711, 1849, 2022, 2168, 2354, 2627, 2659, 2372, 2185, 2003, 1808, 1646, 1531, 1447, 1404, 1415, 1474, 1573, 1711, 1896, 2082, 2269, 2494, 2572, 2297, 2122, 1903, 1694, 1534, 1411, 1322, 1278, 1294, 1356, 1459, 1599, 1796, 2003, 2204, 2415, 2494, 2259, 2053, 1813, 1609, 1442, 1310, 1216, 1174, 1186, 1254, 1368, 1512, 1699, 1934, 2147, 2352, 2450, 2219, 2006, 1751, 1543, 1372, 1233, 1134, 1096, 1108, 1175, 1292, 1449, 1639, 1865, 2103, 2311, 2424, 2182, 1960, 1705, 1498, 1324, 1181, 1086, 1041, 1059, 1127, 1245, 1404, 1594, 1828, 2078, 2281, 2405, 2182, 1937, 1687, 1480, 1301, 1161, 1062, 1024, 1038, 1107, 1224, 1384, 1581, 1812, 2057, 2272, 2417, 2181, 1951, 1695, 1487, 1312, 1167, 1074, 1032, 1050, 1118, 1235, 1397, 1586, 1820, 2069, 2278, 2450, 2196, 1974, 1724, 1522, 1348, 1205, 1113, 1075, 1089, 1153, 1276, 1430, 1619, 1849, 2095, 2291, 2483, 2229, 2022, 1779, 1573, 1408, 1272, 1181, 1142, 1156, 1223, 1339, 1488, 1673, 1905, 2123, 2343, 2541, 2277, 2079, 1856, 1643, 1485, 1361, 1270, 1235, 1248, 1313, 1421, 1566, 1751, 1971, 2173, 2399, 2635, 2339, 2138, 1944, 1745, 1580, 1458, 1380, 1344, 1359, 1418, 1519, 1661, 1849, 2048, 2222, 2487, 2743, 2413, 2216, 2037, 1864, 1702, 1579, 1500, 1467, 1479, 1537, 1642, 1777, 1958, 2108, 2315, 2617, 2890, 2544, 2293, 2131, 1988, 1842, 1726, 1651, 1612, 1628, 1684, 1783, 1920, 2060, 2213, 2432, 2804, 3189, 2693, 2445, 2245, 2116, 2000, 1902, 1826, 1789, 1798, 1857, 1950, 2045, 2170, 2337, 2642, 2952, ]
+ b: [3058, 2592, 2385, 2213, 2113, 2016, 1936, 1869, 1845, 1844, 1887, 1965, 2056, 2162, 2288, 2535, 2815, 2739, 2411, 2208, 2067, 1959, 1848, 1747, 1681, 1655, 1659, 1709, 1788, 1909, 2024, 2149, 2317, 2640, 2595, 2298, 2119, 1981, 1836, 1704, 1608, 1543, 1517, 1519, 1561, 1646, 1774, 1925, 2042, 2217, 2463, 2469, 2218, 2033, 1880, 1710, 1575, 1479, 1419, 1384, 1398, 1439, 1527, 1647, 1810, 1968, 2125, 2330, 2404, 2138, 1979, 1785, 1611, 1474, 1374, 1303, 1271, 1280, 1336, 1421, 1545, 1706, 1895, 2058, 2261, 2341, 2104, 1920, 1713, 1535, 1397, 1284, 1203, 1168, 1181, 1237, 1339, 1462, 1631, 1822, 2012, 2194, 2293, 2063, 1882, 1662, 1480, 1336, 1206, 1128, 1092, 1106, 1165, 1270, 1407, 1565, 1767, 1965, 2158, 2262, 2048, 1845, 1625, 1450, 1289, 1165, 1079, 1041, 1057, 1122, 1223, 1370, 1534, 1725, 1940, 2129, 2258, 2046, 1834, 1605, 1433, 1273, 1147, 1058, 1024, 1037, 1102, 1209, 1352, 1519, 1711, 1928, 2110, 2261, 2041, 1847, 1615, 1442, 1282, 1151, 1069, 1028, 1048, 1109, 1218, 1359, 1523, 1716, 1927, 2124, 2282, 2064, 1864, 1645, 1461, 1316, 1184, 1103, 1070, 1083, 1143, 1249, 1389, 1552, 1745, 1948, 2141, 2326, 2090, 1907, 1695, 1505, 1362, 1247, 1164, 1133, 1144, 1202, 1307, 1436, 1597, 1794, 1985, 2182, 2380, 2132, 1952, 1758, 1569, 1429, 1323, 1247, 1215, 1229, 1283, 1379, 1506, 1669, 1851, 2025, 2222, 2458, 2187, 2000, 1835, 1653, 1511, 1407, 1344, 1314, 1326, 1374, 1461, 1583, 1749, 1916, 2069, 2319, 2559, 2255, 2066, 1910, 1757, 1616, 1512, 1450, 1427, 1431, 1481, 1565, 1688, 1850, 1970, 2151, 2432, 2700, 2384, 2151, 1995, 1874, 1747, 1637, 1577, 1552, 1563, 1610, 1689, 1817, 1934, 2064, 2254, 2607, 3019, 2498, 2301, 2107, 1991, 1888, 1808, 1742, 1716, 1716, 1775, 1847, 1930, 2044, 2200, 2494, 2763, ]
+ #3264x2448_D50_70 - D50
+ - ct: 5003
+ resolution: 3264x2448
+ r: [4095, 3613, 3287, 3049, 2867, 2696, 2545, 2427, 2374, 2387, 2473, 2592, 2779, 2948, 3156, 3544, 3984, 3842, 3341, 3076, 2850, 2650, 2438, 2245, 2123, 2065, 2085, 2164, 2316, 2531, 2745, 2979, 3232, 3738, 3605, 3194, 2924, 2694, 2430, 2182, 1986, 1867, 1814, 1824, 1909, 2060, 2301, 2567, 2807, 3088, 3473, 3432, 3048, 2806, 2516, 2208, 1953, 1758, 1638, 1581, 1596, 1679, 1836, 2061, 2367, 2669, 2928, 3285, 3275, 2940, 2676, 2354, 2027, 1763, 1572, 1443, 1385, 1398, 1496, 1648, 1878, 2184, 2527, 2813, 3150, 3181, 2855, 2566, 2201, 1877, 1622, 1413, 1284, 1226, 1243, 1333, 1502, 1732, 2033, 2391, 2731, 3021, 3116, 2786, 2474, 2100, 1773, 1510, 1304, 1171, 1114, 1131, 1224, 1389, 1630, 1925, 2296, 2638, 2973, 3060, 2752, 2410, 2024, 1710, 1437, 1231, 1101, 1044, 1063, 1152, 1318, 1559, 1865, 2228, 2600, 2919, 3044, 2730, 2388, 2001, 1677, 1403, 1204, 1073, 1024, 1036, 1128, 1289, 1534, 1839, 2198, 2569, 2903, 3039, 2734, 2392, 2004, 1684, 1417, 1210, 1086, 1031, 1050, 1138, 1306, 1544, 1845, 2204, 2576, 2916, 3099, 2751, 2432, 2050, 1732, 1469, 1264, 1136, 1085, 1101, 1194, 1358, 1596, 1891, 2264, 2612, 2929, 3131, 2808, 2499, 2142, 1811, 1556, 1354, 1230, 1178, 1195, 1286, 1451, 1683, 1986, 2341, 2678, 2991, 3235, 2875, 2592, 2258, 1936, 1679, 1491, 1363, 1310, 1332, 1421, 1582, 1813, 2113, 2455, 2737, 3096, 3357, 2965, 2692, 2412, 2094, 1840, 1650, 1533, 1485, 1501, 1591, 1747, 1979, 2275, 2582, 2840, 3239, 3543, 3094, 2808, 2555, 2298, 2043, 1851, 1737, 1685, 1703, 1791, 1955, 2178, 2459, 2700, 2992, 3425, 3749, 3286, 2950, 2712, 2495, 2282, 2093, 1972, 1919, 1950, 2033, 2186, 2412, 2625, 2856, 3165, 3713, 4095, 3514, 3156, 2880, 2701, 2511, 2370, 2249, 2203, 2222, 2309, 2454, 2607, 2813, 3060, 3476, 3973, ]
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+ #3264x2448_D65_70 - D65
+ - ct: 6504
+ resolution: 3264x2448
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+ #3264x2448_D75_70 - D75
+ - ct: 7504
+ resolution: 3264x2448
+ r: [4095, 3519, 3218, 2985, 2815, 2645, 2509, 2389, 2327, 2355, 2435, 2555, 2710, 2908, 3107, 3455, 3909, 3739, 3284, 3001, 2795, 2603, 2392, 2213, 2093, 2049, 2058, 2135, 2281, 2493, 2685, 2920, 3163, 3650, 3536, 3113, 2865, 2641, 2393, 2149, 1967, 1852, 1802, 1811, 1894, 2037, 2267, 2525, 2747, 3014, 3388, 3358, 2983, 2730, 2466, 2185, 1933, 1755, 1634, 1579, 1590, 1678, 1826, 2049, 2329, 2621, 2864, 3207, 3196, 2870, 2628, 2311, 2001, 1757, 1569, 1439, 1382, 1396, 1488, 1645, 1865, 2163, 2477, 2773, 3063, 3115, 2785, 2512, 2175, 1859, 1619, 1412, 1285, 1228, 1243, 1335, 1502, 1726, 2015, 2362, 2666, 2951, 3027, 2733, 2430, 2073, 1761, 1507, 1303, 1172, 1116, 1132, 1223, 1388, 1622, 1913, 2253, 2591, 2908, 2995, 2683, 2368, 2007, 1696, 1435, 1234, 1104, 1045, 1068, 1154, 1317, 1561, 1846, 2189, 2547, 2845, 2960, 2670, 2344, 1972, 1667, 1403, 1205, 1074, 1024, 1038, 1128, 1290, 1526, 1816, 2166, 2519, 2841, 2985, 2665, 2355, 1980, 1675, 1416, 1210, 1087, 1032, 1052, 1141, 1300, 1537, 1836, 2171, 2530, 2837, 3017, 2686, 2380, 2030, 1721, 1465, 1264, 1140, 1086, 1104, 1190, 1358, 1586, 1879, 2221, 2556, 2871, 3062, 2738, 2456, 2107, 1796, 1549, 1356, 1232, 1175, 1192, 1285, 1446, 1672, 1961, 2298, 2626, 2926, 3172, 2807, 2533, 2227, 1916, 1670, 1485, 1356, 1308, 1325, 1415, 1577, 1801, 2085, 2411, 2676, 3033, 3272, 2904, 2640, 2360, 2069, 1821, 1639, 1525, 1476, 1492, 1580, 1735, 1951, 2232, 2536, 2784, 3143, 3481, 3014, 2752, 2511, 2256, 2018, 1835, 1719, 1672, 1687, 1777, 1931, 2151, 2414, 2647, 2922, 3369, 3652, 3193, 2877, 2650, 2441, 2239, 2058, 1946, 1895, 1918, 1999, 2153, 2365, 2572, 2794, 3086, 3594, 4095, 3408, 3097, 2824, 2643, 2469, 2323, 2215, 2158, 2187, 2264, 2412, 2554, 2742, 2991, 3425, 3869, ]
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+ #3264x2448_F11_TL84_70 - F11_TL84
+ - ct: 4000
+ resolution: 3264x2448
+ r: [4002, 3309, 3035, 2794, 2634, 2461, 2319, 2207, 2157, 2168, 2244, 2370, 2537, 2712, 2917, 3269, 3672, 3551, 3103, 2825, 2625, 2420, 2214, 2037, 1922, 1874, 1882, 1956, 2100, 2302, 2511, 2738, 2969, 3444, 3298, 2949, 2692, 2463, 2213, 1969, 1792, 1686, 1640, 1646, 1721, 1857, 2074, 2333, 2576, 2831, 3187, 3157, 2805, 2562, 2298, 1998, 1762, 1596, 1491, 1444, 1454, 1521, 1655, 1863, 2142, 2432, 2691, 3014, 3030, 2709, 2454, 2128, 1831, 1597, 1435, 1335, 1291, 1302, 1366, 1495, 1686, 1971, 2291, 2593, 2883, 2940, 2627, 2345, 1995, 1701, 1475, 1311, 1216, 1176, 1186, 1246, 1372, 1564, 1831, 2173, 2490, 2788, 2868, 2575, 2259, 1900, 1604, 1387, 1231, 1136, 1095, 1105, 1167, 1286, 1475, 1735, 2074, 2418, 2721, 2826, 2533, 2203, 1835, 1548, 1332, 1177, 1084, 1042, 1056, 1116, 1233, 1422, 1676, 2015, 2370, 2679, 2812, 2511, 2176, 1810, 1521, 1303, 1157, 1063, 1024, 1034, 1095, 1216, 1398, 1657, 1989, 2342, 2677, 2816, 2517, 2185, 1816, 1530, 1312, 1161, 1070, 1031, 1041, 1109, 1224, 1410, 1665, 1999, 2359, 2664, 2839, 2531, 2218, 1856, 1571, 1350, 1197, 1106, 1065, 1080, 1142, 1263, 1451, 1708, 2046, 2389, 2703, 2896, 2578, 2281, 1935, 1636, 1421, 1265, 1171, 1135, 1147, 1209, 1335, 1527, 1788, 2123, 2454, 2753, 2994, 2638, 2366, 2046, 1749, 1522, 1365, 1268, 1231, 1245, 1310, 1442, 1638, 1912, 2230, 2518, 2840, 3101, 2741, 2467, 2183, 1895, 1664, 1502, 1402, 1363, 1376, 1451, 1582, 1789, 2057, 2362, 2609, 2977, 3260, 2841, 2581, 2342, 2083, 1842, 1676, 1575, 1534, 1553, 1625, 1769, 1977, 2240, 2474, 2752, 3175, 3489, 3019, 2716, 2496, 2274, 2077, 1899, 1789, 1751, 1769, 1847, 1991, 2189, 2409, 2631, 2927, 3411, 3949, 3229, 2910, 2647, 2477, 2296, 2156, 2049, 2010, 2022, 2104, 2237, 2398, 2579, 2812, 3226, 3666, ]
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+ #3264x2448_F2_CWF_70 - F2_CWF
+ - ct: 4230
+ resolution: 3264x2448
+ r: [3695, 3077, 2822, 2622, 2472, 2342, 2200, 2111, 2075, 2079, 2145, 2258, 2393, 2547, 2713, 3030, 3396, 3294, 2882, 2641, 2461, 2294, 2117, 1965, 1868, 1822, 1827, 1898, 2020, 2200, 2366, 2557, 2763, 3190, 3081, 2755, 2527, 2334, 2120, 1915, 1760, 1667, 1625, 1635, 1702, 1820, 2002, 2225, 2422, 2641, 2979, 2935, 2624, 2415, 2192, 1939, 1732, 1587, 1496, 1452, 1461, 1526, 1643, 1825, 2064, 2314, 2518, 2804, 2832, 2532, 2323, 2050, 1792, 1591, 1448, 1348, 1301, 1315, 1382, 1504, 1675, 1916, 2190, 2435, 2700, 2735, 2464, 2229, 1935, 1680, 1485, 1327, 1227, 1183, 1194, 1265, 1392, 1567, 1799, 2091, 2351, 2611, 2673, 2415, 2150, 1853, 1597, 1397, 1244, 1144, 1096, 1111, 1182, 1308, 1489, 1715, 2000, 2291, 2552, 2638, 2381, 2104, 1797, 1546, 1342, 1189, 1086, 1042, 1058, 1126, 1255, 1435, 1666, 1950, 2257, 2514, 2621, 2361, 2083, 1766, 1525, 1319, 1164, 1064, 1024, 1037, 1106, 1231, 1415, 1644, 1929, 2233, 2506, 2638, 2364, 2088, 1777, 1528, 1326, 1168, 1073, 1029, 1046, 1115, 1240, 1422, 1654, 1941, 2237, 2511, 2655, 2388, 2121, 1813, 1563, 1366, 1210, 1114, 1070, 1084, 1155, 1283, 1459, 1693, 1981, 2269, 2530, 2712, 2427, 2182, 1884, 1628, 1428, 1281, 1183, 1143, 1158, 1226, 1352, 1531, 1764, 2046, 2317, 2579, 2790, 2485, 2250, 1983, 1722, 1523, 1379, 1284, 1242, 1258, 1327, 1454, 1628, 1862, 2139, 2376, 2667, 2895, 2571, 2344, 2103, 1851, 1644, 1506, 1409, 1371, 1388, 1457, 1578, 1756, 1996, 2250, 2457, 2782, 3048, 2672, 2441, 2229, 2007, 1806, 1658, 1567, 1526, 1541, 1611, 1739, 1916, 2148, 2340, 2583, 2953, 3225, 2827, 2544, 2353, 2172, 1998, 1846, 1755, 1708, 1732, 1794, 1928, 2102, 2282, 2468, 2726, 3175, 3641, 3010, 2734, 2492, 2341, 2192, 2069, 1968, 1937, 1948, 2023, 2139, 2270, 2437, 2634, 2994, 3392, ]
+ gr: [3050, 2599, 2407, 2232, 2134, 2044, 1950, 1879, 1843, 1845, 1897, 1973, 2069, 2164, 2285, 2518, 2788, 2763, 2436, 2247, 2112, 1994, 1867, 1764, 1688, 1655, 1661, 1710, 1788, 1907, 2024, 2157, 2320, 2612, 2604, 2323, 2155, 2009, 1858, 1715, 1606, 1543, 1504, 1512, 1556, 1640, 1766, 1917, 2047, 2211, 2450, 2492, 2232, 2067, 1906, 1727, 1584, 1480, 1411, 1371, 1381, 1428, 1512, 1632, 1799, 1962, 2124, 2327, 2400, 2164, 1999, 1801, 1617, 1475, 1369, 1292, 1252, 1264, 1317, 1408, 1525, 1691, 1879, 2063, 2240, 2326, 2120, 1935, 1721, 1533, 1392, 1278, 1194, 1156, 1167, 1225, 1319, 1443, 1606, 1809, 2003, 2170, 2291, 2075, 1883, 1653, 1470, 1323, 1204, 1122, 1086, 1096, 1153, 1252, 1381, 1540, 1746, 1951, 2139, 2256, 2043, 1839, 1609, 1430, 1278, 1158, 1076, 1038, 1052, 1108, 1206, 1341, 1500, 1702, 1929, 2103, 2242, 2036, 1820, 1596, 1411, 1260, 1138, 1053, 1024, 1032, 1091, 1186, 1322, 1484, 1690, 1909, 2098, 2251, 2034, 1826, 1598, 1416, 1267, 1143, 1065, 1027, 1043, 1097, 1198, 1328, 1493, 1694, 1913, 2096, 2263, 2048, 1852, 1626, 1447, 1298, 1177, 1096, 1063, 1075, 1131, 1230, 1360, 1521, 1723, 1934, 2117, 2316, 2078, 1897, 1680, 1494, 1351, 1238, 1159, 1123, 1135, 1193, 1290, 1416, 1572, 1776, 1974, 2152, 2362, 2122, 1947, 1746, 1562, 1424, 1313, 1238, 1207, 1218, 1272, 1361, 1484, 1647, 1838, 2014, 2215, 2461, 2182, 2007, 1835, 1653, 1510, 1408, 1336, 1305, 1317, 1368, 1456, 1576, 1736, 1919, 2068, 2306, 2560, 2260, 2080, 1920, 1771, 1626, 1516, 1450, 1420, 1432, 1480, 1566, 1687, 1844, 1975, 2157, 2418, 2703, 2387, 2160, 2012, 1888, 1763, 1660, 1588, 1558, 1566, 1617, 1702, 1827, 1943, 2075, 2267, 2603, 2992, 2511, 2296, 2118, 2001, 1898, 1817, 1749, 1719, 1730, 1779, 1859, 1938, 2050, 2187, 2457, 2741, ]
+ gb: [3060, 2612, 2398, 2229, 2123, 2030, 1932, 1857, 1822, 1830, 1874, 1957, 2069, 2163, 2291, 2542, 2825, 2776, 2432, 2251, 2106, 1988, 1856, 1748, 1668, 1636, 1641, 1695, 1784, 1902, 2026, 2170, 2338, 2654, 2609, 2336, 2151, 2005, 1853, 1710, 1597, 1527, 1487, 1500, 1546, 1634, 1768, 1926, 2063, 2235, 2497, 2514, 2248, 2075, 1908, 1727, 1578, 1471, 1396, 1360, 1371, 1422, 1509, 1639, 1810, 1981, 2151, 2365, 2415, 2182, 2010, 1807, 1619, 1474, 1366, 1284, 1247, 1257, 1316, 1409, 1532, 1710, 1906, 2098, 2282, 2358, 2140, 1949, 1725, 1539, 1393, 1276, 1191, 1153, 1166, 1224, 1325, 1455, 1628, 1840, 2045, 2226, 2308, 2101, 1903, 1666, 1479, 1329, 1204, 1121, 1083, 1098, 1154, 1260, 1395, 1565, 1775, 2000, 2191, 2296, 2069, 1863, 1625, 1437, 1285, 1160, 1074, 1038, 1053, 1112, 1214, 1355, 1527, 1746, 1970, 2167, 2280, 2060, 1844, 1609, 1422, 1262, 1140, 1055, 1024, 1034, 1095, 1198, 1337, 1516, 1724, 1962, 2155, 2284, 2063, 1850, 1618, 1429, 1273, 1147, 1064, 1030, 1043, 1104, 1207, 1351, 1519, 1738, 1965, 2159, 2303, 2083, 1878, 1640, 1460, 1304, 1182, 1099, 1065, 1078, 1136, 1244, 1379, 1552, 1764, 1986, 2181, 2341, 2110, 1916, 1698, 1504, 1359, 1238, 1159, 1125, 1136, 1197, 1297, 1431, 1599, 1809, 2018, 2208, 2403, 2156, 1967, 1764, 1570, 1427, 1315, 1237, 1205, 1217, 1274, 1369, 1502, 1673, 1875, 2061, 2278, 2488, 2208, 2025, 1848, 1662, 1513, 1405, 1333, 1304, 1314, 1372, 1460, 1588, 1760, 1946, 2108, 2355, 2596, 2289, 2101, 1934, 1775, 1624, 1516, 1442, 1412, 1425, 1476, 1571, 1700, 1865, 2005, 2195, 2486, 2720, 2411, 2169, 2025, 1895, 1760, 1650, 1578, 1548, 1559, 1612, 1702, 1834, 1960, 2101, 2302, 2647, 3035, 2523, 2314, 2125, 2002, 1897, 1806, 1738, 1705, 1716, 1766, 1855, 1944, 2061, 2204, 2497, 2792, ]
+ b: [2861, 2421, 2239, 2078, 1980, 1893, 1811, 1762, 1723, 1742, 1779, 1851, 1933, 2034, 2151, 2359, 2635, 2562, 2279, 2088, 1949, 1859, 1748, 1650, 1585, 1562, 1570, 1607, 1691, 1798, 1909, 2028, 2181, 2467, 2428, 2166, 2009, 1873, 1736, 1613, 1518, 1461, 1436, 1441, 1480, 1557, 1676, 1814, 1932, 2087, 2311, 2326, 2088, 1923, 1779, 1621, 1492, 1404, 1351, 1322, 1329, 1368, 1445, 1557, 1708, 1863, 2004, 2200, 2250, 2013, 1869, 1687, 1522, 1398, 1309, 1250, 1218, 1231, 1273, 1354, 1457, 1615, 1779, 1941, 2113, 2187, 1979, 1812, 1617, 1454, 1331, 1231, 1163, 1137, 1145, 1195, 1277, 1392, 1537, 1720, 1899, 2061, 2161, 1947, 1769, 1567, 1405, 1273, 1171, 1101, 1078, 1087, 1132, 1222, 1336, 1483, 1665, 1849, 2018, 2122, 1923, 1740, 1530, 1369, 1239, 1131, 1064, 1037, 1049, 1096, 1182, 1306, 1452, 1625, 1829, 1999, 2115, 1919, 1730, 1520, 1360, 1222, 1117, 1046, 1024, 1033, 1086, 1169, 1288, 1439, 1617, 1815, 1991, 2121, 1918, 1736, 1524, 1359, 1227, 1119, 1053, 1025, 1040, 1088, 1173, 1295, 1442, 1624, 1817, 1995, 2136, 1934, 1750, 1546, 1384, 1254, 1147, 1079, 1053, 1063, 1114, 1203, 1321, 1464, 1649, 1837, 2004, 2179, 1955, 1795, 1587, 1423, 1294, 1195, 1131, 1105, 1112, 1161, 1247, 1362, 1506, 1688, 1872, 2037, 2228, 1999, 1833, 1656, 1480, 1353, 1263, 1197, 1172, 1182, 1228, 1311, 1423, 1574, 1751, 1903, 2078, 2309, 2047, 1889, 1724, 1558, 1425, 1336, 1277, 1252, 1263, 1308, 1382, 1500, 1654, 1806, 1954, 2164, 2390, 2114, 1949, 1802, 1660, 1524, 1429, 1373, 1352, 1360, 1401, 1482, 1597, 1748, 1863, 2031, 2287, 2520, 2231, 2019, 1882, 1760, 1651, 1549, 1494, 1466, 1478, 1519, 1597, 1715, 1827, 1947, 2124, 2444, 2788, 2355, 2157, 1974, 1878, 1770, 1701, 1637, 1615, 1612, 1661, 1743, 1824, 1925, 2064, 2315, 2599, ]
+
diff --git a/src/ipa/rkisp1/data/uncalibrated.yaml b/src/ipa/rkisp1/data/uncalibrated.yaml
index bdbd5fda..a7bbd8d8 100644
--- a/src/ipa/rkisp1/data/uncalibrated.yaml
+++ b/src/ipa/rkisp1/data/uncalibrated.yaml
@@ -1,5 +1,5 @@
# SPDX-License-Identifier: CC0-1.0
-%YAML 1.2
+%YAML 1.1
---
version: 1
algorithms:
diff --git a/src/ipa/rkisp1/ipa_context.cpp b/src/ipa/rkisp1/ipa_context.cpp
index 1559d3ff..283bc131 100644
--- a/src/ipa/rkisp1/ipa_context.cpp
+++ b/src/ipa/rkisp1/ipa_context.cpp
@@ -2,7 +2,7 @@
/*
* Copyright (C) 2021-2022, Ideas On Board
*
- * ipa_context.cpp - RkISP1 IPA Context
+ * RkISP1 IPA Context
*/
#include "ipa_context.h"
@@ -15,6 +15,25 @@
namespace libcamera::ipa::rkisp1 {
/**
+ * \struct IPAHwSettings
+ * \brief RkISP1 version-specific hardware parameters
+ */
+
+/**
+ * \var IPAHwSettings::numAeCells
+ * \brief Number of cells in the AE exposure means grid
+ *
+ * \var IPAHwSettings::numHistogramBins
+ * \brief Number of bins in the histogram
+ *
+ * \var IPAHwSettings::numHistogramWeights
+ * \brief Number of weights in the histogram grid
+ *
+ * \var IPAHwSettings::numGammaOutSamples
+ * \brief Number of samples in the gamma out table
+ */
+
+/**
* \struct IPASessionConfiguration
* \brief Session configuration for the IPA module
*
@@ -25,84 +44,217 @@ namespace libcamera::ipa::rkisp1 {
*/
/**
- * \struct IPAFrameContext
- * \brief Per-frame context for algorithms
+ * \var IPASessionConfiguration::agc
+ * \brief AGC parameters configuration of the IPA
+ *
+ * \var IPASessionConfiguration::agc.measureWindow
+ * \brief AGC measure window
+ */
+
+/**
+ * \var IPASessionConfiguration::awb
+ * \brief AWB parameters configuration of the IPA
*
- * The frame context stores data specific to a single frame processed by the
- * IPA. Each frame processed by the IPA has a context associated with it,
- * accessible through the IPAContext structure.
+ * \var IPASessionConfiguration::awb.measureWindow
+ * \brief AWB measure window
*
- * \todo Detail how to access contexts for a particular frame
+ * \var IPASessionConfiguration::awb.enabled
+ * \brief Indicates if the AWB hardware is enabled and applies colour gains
*
- * Each of the fields in the frame context belongs to either a specific
- * algorithm, or to the top-level IPA module. A field may be read by any
- * algorithm, but should only be written by its owner.
+ * The AWB module of the ISP applies colour gains and computes statistics. It is
+ * enabled when the AWB algorithm is loaded, regardless of whether the algorithm
+ * operates in manual or automatic mode.
*/
/**
- * \struct IPAContext
- * \brief Global IPA context data shared between all algorithms
+ * \var IPASessionConfiguration::lsc
+ * \brief Lens Shading Correction configuration of the IPA
*
- * \var IPAContext::configuration
- * \brief The IPA session configuration, immutable during the session
+ * \var IPASessionConfiguration::lsc.enabled
+ * \brief Indicates if the LSC hardware is enabled
+ */
+
+/**
+ * \var IPASessionConfiguration::sensor
+ * \brief Sensor-specific configuration of the IPA
+ *
+ * \var IPASessionConfiguration::sensor.minShutterSpeed
+ * \brief Minimum shutter speed supported with the sensor
+ *
+ * \var IPASessionConfiguration::sensor.maxShutterSpeed
+ * \brief Maximum shutter speed supported with the sensor
*
- * \var IPAContext::frameContext
- * \brief The frame context for the frame being processed
+ * \var IPASessionConfiguration::sensor.minAnalogueGain
+ * \brief Minimum analogue gain supported with the sensor
*
- * \todo While the frame context is supposed to be per-frame, this
- * single frame context stores data related to both the current frame
- * and the previous frames, with fields being updated as the algorithms
- * are run. This needs to be turned into real per-frame data storage.
+ * \var IPASessionConfiguration::sensor.maxAnalogueGain
+ * \brief Maximum analogue gain supported with the sensor
+ *
+ * \var IPASessionConfiguration::sensor.defVBlank
+ * \brief The default vblank value of the sensor
+ *
+ * \var IPASessionConfiguration::sensor.lineDuration
+ * \brief Line duration in microseconds
+ *
+ * \var IPASessionConfiguration::sensor.size
+ * \brief Sensor output resolution
*/
/**
- * \var IPASessionConfiguration::agc
- * \brief AGC parameters configuration of the IPA
+ * \var IPASessionConfiguration::raw
+ * \brief Indicates if the camera is configured to capture raw frames
+ */
+
+/**
+ * \struct IPAActiveState
+ * \brief Active state for algorithms
*
- * \var IPASessionConfiguration::agc.minShutterSpeed
- * \brief Minimum shutter speed supported with the configured sensor
+ * The active state contains all algorithm-specific data that needs to be
+ * maintained by algorithms across frames. Unlike the session configuration,
+ * the active state is mutable and constantly updated by algorithms. The active
+ * state is accessible through the IPAContext structure.
*
- * \var IPASessionConfiguration::agc.maxShutterSpeed
- * \brief Maximum shutter speed supported with the configured sensor
+ * The active state stores two distinct categories of information:
*
- * \var IPASessionConfiguration::agc.minAnalogueGain
- * \brief Minimum analogue gain supported with the configured sensor
+ * - The consolidated value of all algorithm controls. Requests passed to
+ * the queueRequest() function store values for controls that the
+ * application wants to modify for that particular frame, and the
+ * queueRequest() function updates the active state with those values.
+ * The active state thus contains a consolidated view of the value of all
+ * controls handled by the algorithm.
*
- * \var IPASessionConfiguration::agc.maxAnalogueGain
- * \brief Maximum analogue gain supported with the configured sensor
+ * - The value of parameters computed by the algorithm when running in auto
+ * mode. Algorithms running in auto mode compute new parameters every
+ * time statistics buffers are received (either synchronously, or
+ * possibly in a background thread). The latest computed value of those
+ * parameters is stored in the active state in the process() function.
*
- * \var IPASessionConfiguration::agc.measureWindow
- * \brief AGC measure window
+ * Each of the members in the active state belongs to a specific algorithm. A
+ * member may be read by any algorithm, but shall only be written by its owner.
+ */
+
+/**
+ * \var IPAActiveState::agc
+ * \brief State for the Automatic Gain Control algorithm
*
- * \var IPASessionConfiguration::hw
- * \brief RkISP1-specific hardware information
+ * The exposure and gain are the latest values computed by the AGC algorithm.
*
- * \var IPASessionConfiguration::hw.revision
- * \brief Hardware revision of the ISP
+ * \var IPAActiveState::agc.exposure
+ * \brief Exposure time expressed as a number of lines
+ *
+ * \var IPAActiveState::agc.gain
+ * \brief Analogue gain multiplier
*/
/**
- * \var IPASessionConfiguration::awb
- * \brief AWB parameters configuration of the IPA
+ * \var IPAActiveState::awb
+ * \brief State for the Automatic White Balance algorithm
*
- * \var IPASessionConfiguration::awb.measureWindow
- * \brief AWB measure window
+ * \struct IPAActiveState::awb.gains
+ * \brief White balance gains
+ *
+ * \struct IPAActiveState::awb.gains.manual
+ * \brief Manual white balance gains (set through requests)
+ *
+ * \var IPAActiveState::awb.gains.manual.red
+ * \brief Manual white balance gain for R channel
+ *
+ * \var IPAActiveState::awb.gains.manual.green
+ * \brief Manual white balance gain for G channel
+ *
+ * \var IPAActiveState::awb.gains.manual.blue
+ * \brief Manual white balance gain for B channel
+ *
+ * \struct IPAActiveState::awb.gains.automatic
+ * \brief Automatic white balance gains (computed by the algorithm)
+ *
+ * \var IPAActiveState::awb.gains.automatic.red
+ * \brief Automatic white balance gain for R channel
+ *
+ * \var IPAActiveState::awb.gains.automatic.green
+ * \brief Automatic white balance gain for G channel
+ *
+ * \var IPAActiveState::awb.gains.automatic.blue
+ * \brief Automatic white balance gain for B channel
+ *
+ * \var IPAActiveState::awb.temperatureK
+ * \brief Estimated color temperature
+ *
+ * \var IPAActiveState::awb.autoEnabled
+ * \brief Whether the Auto White Balance algorithm is enabled
*/
/**
- * \var IPASessionConfiguration::sensor
- * \brief Sensor-specific configuration of the IPA
+ * \var IPAActiveState::cproc
+ * \brief State for the Color Processing algorithm
*
- * \var IPASessionConfiguration::sensor.lineDuration
- * \brief Line duration in microseconds
+ * \struct IPAActiveState::cproc.brightness
+ * \brief Brightness level
+ *
+ * \var IPAActiveState::cproc.contrast
+ * \brief Contrast level
+ *
+ * \var IPAActiveState::cproc.saturation
+ * \brief Saturation level
+ */
+
+/**
+ * \var IPAActiveState::dpf
+ * \brief State for the Denoise Pre-Filter algorithm
+ *
+ * \var IPAActiveState::dpf.denoise
+ * \brief Indicates if denoise is activated
+ */
+
+/**
+ * \var IPAActiveState::filter
+ * \brief State for the Filter algorithm
+ *
+ * \struct IPAActiveState::filter.denoise
+ * \brief Denoising level
+ *
+ * \var IPAActiveState::filter.sharpness
+ * \brief Sharpness level
+ */
+
+/**
+ * \struct IPAFrameContext
+ * \brief Per-frame context for algorithms
+ *
+ * The frame context stores two distinct categories of information:
+ *
+ * - The value of the controls to be applied to the frame. These values are
+ * typically set in the queueRequest() function, from the consolidated
+ * control values stored in the active state. The frame context thus stores
+ * values for all controls related to the algorithm, not limited to the
+ * controls specified in the corresponding request, but consolidated from all
+ * requests that have been queued so far.
+ *
+ * For controls that can be set manually or computed by an algorithm
+ * (depending on the algorithm operation mode), such as for instance the
+ * colour gains for the AWB algorithm, the control value will be stored in
+ * the frame context in the queueRequest() function only when operating in
+ * manual mode. When operating in auto mode, the values are computed by the
+ * algorithm in process(), stored in the active state, and copied to the
+ * frame context in prepare(), just before being stored in the ISP parameters
+ * buffer.
+ *
+ * The queueRequest() function can also store ancillary data in the frame
+ * context, such as flags to indicate if (and what) control values have
+ * changed compared to the previous request.
+ *
+ * - Status information computed by the algorithm for a frame. For instance,
+ * the colour temperature estimated by the AWB algorithm from ISP statistics
+ * calculated on a frame is stored in the frame context for that frame in
+ * the process() function.
*/
/**
* \var IPAFrameContext::agc
- * \brief Context for the Automatic Gain Control algorithm
+ * \brief Automatic Gain Control parameters for this frame
*
- * The exposure and gain determined are expected to be applied to the sensor
- * at the earliest opportunity.
+ * The exposure and gain are provided by the AGC algorithm, and are to be
+ * applied to the sensor in order to take effect for this frame.
*
* \var IPAFrameContext::agc.exposure
* \brief Exposure time expressed as a number of lines
@@ -115,7 +267,7 @@ namespace libcamera::ipa::rkisp1 {
/**
* \var IPAFrameContext::awb
- * \brief Context for the Automatic White Balance algorithm
+ * \brief Automatic White Balance parameters for this frame
*
* \struct IPAFrameContext::awb.gains
* \brief White balance gains
@@ -131,11 +283,59 @@ namespace libcamera::ipa::rkisp1 {
*
* \var IPAFrameContext::awb.temperatureK
* \brief Estimated color temperature
+ *
+ * \var IPAFrameContext::awb.autoEnabled
+ * \brief Whether the Auto White Balance algorithm is enabled
+ */
+
+/**
+ * \var IPAFrameContext::cproc
+ * \brief Color Processing parameters for this frame
+ *
+ * \struct IPAFrameContext::cproc.brightness
+ * \brief Brightness level
+ *
+ * \var IPAFrameContext::cproc.contrast
+ * \brief Contrast level
+ *
+ * \var IPAFrameContext::cproc.saturation
+ * \brief Saturation level
+ *
+ * \var IPAFrameContext::cproc.update
+ * \brief Indicates if the color processing parameters have been updated
+ * compared to the previous frame
+ */
+
+/**
+ * \var IPAFrameContext::dpf
+ * \brief Denoise Pre-Filter parameters for this frame
+ *
+ * \var IPAFrameContext::dpf.denoise
+ * \brief Indicates if denoise is activated
+ *
+ * \var IPAFrameContext::dpf.update
+ * \brief Indicates if the denoise pre-filter parameters have been updated
+ * compared to the previous frame
+ */
+
+/**
+ * \var IPAFrameContext::filter
+ * \brief Filter parameters for this frame
+ *
+ * \struct IPAFrameContext::filter.denoise
+ * \brief Denoising level
+ *
+ * \var IPAFrameContext::filter.sharpness
+ * \brief Sharpness level
+ *
+ * \var IPAFrameContext::filter.updateParams
+ * \brief Indicates if the filter parameters have been updated compared to the
+ * previous frame
*/
/**
* \var IPAFrameContext::sensor
- * \brief Effective sensor values
+ * \brief Sensor configuration that used been used for this frame
*
* \var IPAFrameContext::sensor.exposure
* \brief Exposure time expressed as a number of lines
@@ -145,12 +345,20 @@ namespace libcamera::ipa::rkisp1 {
*/
/**
- * \var IPAFrameContext::frameCount
- * \brief Counter of requests queued to the IPA module
+ * \struct IPAContext
+ * \brief Global IPA context data shared between all algorithms
+ *
+ * \var IPAContext::hw
+ * \brief RkISP1 version-specific hardware parameters
+ *
+ * \var IPAContext::configuration
+ * \brief The IPA session configuration, immutable during the session
+ *
+ * \var IPAContext::activeState
+ * \brief The IPA active state, storing the latest state for all algorithms
*
- * The counter is reset to 0 when the IPA module is configured, and is
- * incremented for each request being queued, after calling the
- * Algorithm::prepare() function of all algorithms.
+ * \var IPAContext::frameContexts
+ * \brief Ring buffer of per-frame contexts
*/
} /* namespace libcamera::ipa::rkisp1 */
diff --git a/src/ipa/rkisp1/ipa_context.h b/src/ipa/rkisp1/ipa_context.h
index f387cace..bd02a7a2 100644
--- a/src/ipa/rkisp1/ipa_context.h
+++ b/src/ipa/rkisp1/ipa_context.h
@@ -2,7 +2,7 @@
/*
* Copyright (C) 2021-2022, Ideas On Board
*
- * ipa_context.h - RkISP1 IPA Context
+ * RkISP1 IPA Context
*
*/
@@ -12,38 +12,105 @@
#include <libcamera/base/utils.h>
+#include <libcamera/controls.h>
#include <libcamera/geometry.h>
+#include <libipa/fc_queue.h>
+
namespace libcamera {
namespace ipa::rkisp1 {
+struct IPAHwSettings {
+ unsigned int numAeCells;
+ unsigned int numHistogramBins;
+ unsigned int numHistogramWeights;
+ unsigned int numGammaOutSamples;
+};
+
struct IPASessionConfiguration {
struct {
- utils::Duration minShutterSpeed;
- utils::Duration maxShutterSpeed;
- double minAnalogueGain;
- double maxAnalogueGain;
struct rkisp1_cif_isp_window measureWindow;
} agc;
struct {
struct rkisp1_cif_isp_window measureWindow;
+ bool enabled;
} awb;
struct {
+ bool enabled;
+ } lsc;
+
+ struct {
+ utils::Duration minShutterSpeed;
+ utils::Duration maxShutterSpeed;
+ double minAnalogueGain;
+ double maxAnalogueGain;
+
+ int32_t defVBlank;
utils::Duration lineDuration;
+ Size size;
} sensor;
+ bool raw;
+};
+
+struct IPAActiveState {
struct {
- rkisp1_cif_isp_version revision;
- } hw;
+ struct {
+ uint32_t exposure;
+ double gain;
+ } manual;
+ struct {
+ uint32_t exposure;
+ double gain;
+ } automatic;
+
+ bool autoEnabled;
+ uint32_t constraintMode;
+ uint32_t exposureMode;
+ } agc;
+
+ struct {
+ struct {
+ struct {
+ double red;
+ double green;
+ double blue;
+ } manual;
+ struct {
+ double red;
+ double green;
+ double blue;
+ } automatic;
+ } gains;
+
+ unsigned int temperatureK;
+ bool autoEnabled;
+ } awb;
+
+ struct {
+ int8_t brightness;
+ uint8_t contrast;
+ uint8_t saturation;
+ } cproc;
+
+ struct {
+ bool denoise;
+ } dpf;
+
+ struct {
+ uint8_t denoise;
+ uint8_t sharpness;
+ } filter;
};
-struct IPAFrameContext {
+struct IPAFrameContext : public FrameContext {
struct {
uint32_t exposure;
double gain;
+ bool autoEnabled;
} agc;
struct {
@@ -53,20 +120,42 @@ struct IPAFrameContext {
double blue;
} gains;
- double temperatureK;
+ unsigned int temperatureK;
+ bool autoEnabled;
} awb;
struct {
+ int8_t brightness;
+ uint8_t contrast;
+ uint8_t saturation;
+ bool update;
+ } cproc;
+
+ struct {
+ bool denoise;
+ bool update;
+ } dpf;
+
+ struct {
+ uint8_t denoise;
+ uint8_t sharpness;
+ bool update;
+ } filter;
+
+ struct {
uint32_t exposure;
double gain;
} sensor;
-
- unsigned int frameCount;
};
struct IPAContext {
+ const IPAHwSettings *hw;
IPASessionConfiguration configuration;
- IPAFrameContext frameContext;
+ IPAActiveState activeState;
+
+ FCQueue<IPAFrameContext> frameContexts;
+
+ ControlInfoMap::Map ctrlMap;
};
} /* namespace ipa::rkisp1 */
diff --git a/src/ipa/rkisp1/meson.build b/src/ipa/rkisp1/meson.build
index ccb84b27..e813da53 100644
--- a/src/ipa/rkisp1/meson.build
+++ b/src/ipa/rkisp1/meson.build
@@ -29,3 +29,5 @@ if ipa_sign_module
install : false,
build_by_default : true)
endif
+
+ipa_names += ipa_name
diff --git a/src/ipa/rkisp1/module.h b/src/ipa/rkisp1/module.h
index 89f83208..16c3e43e 100644
--- a/src/ipa/rkisp1/module.h
+++ b/src/ipa/rkisp1/module.h
@@ -2,7 +2,7 @@
/*
* Copyright (C) 2022, Ideas On Board
*
- * module.h - RkISP1 IPA Module
+ * RkISP1 IPA Module
*/
#pragma once
diff --git a/src/ipa/rkisp1/rkisp1.cpp b/src/ipa/rkisp1/rkisp1.cpp
index 21166b0f..6687c91e 100644
--- a/src/ipa/rkisp1/rkisp1.cpp
+++ b/src/ipa/rkisp1/rkisp1.cpp
@@ -2,7 +2,7 @@
/*
* Copyright (C) 2019, Google Inc.
*
- * rkisp1.cpp - RkISP1 Image Processing Algorithms
+ * RkISP1 Image Processing Algorithms
*/
#include <algorithm>
@@ -24,13 +24,11 @@
#include <libcamera/ipa/rkisp1_ipa_interface.h>
#include <libcamera/request.h>
+#include "libcamera/internal/formats.h"
#include "libcamera/internal/mapped_framebuffer.h"
#include "libcamera/internal/yaml_parser.h"
-#include "algorithms/agc.h"
#include "algorithms/algorithm.h"
-#include "algorithms/awb.h"
-#include "algorithms/blc.h"
#include "libipa/camera_sensor_helper.h"
#include "ipa_context.h"
@@ -43,16 +41,24 @@ using namespace std::literals::chrono_literals;
namespace ipa::rkisp1 {
+/* Maximum number of frame contexts to be held */
+static constexpr uint32_t kMaxFrameContexts = 16;
+
class IPARkISP1 : public IPARkISP1Interface, public Module
{
public:
- int init(const IPASettings &settings, unsigned int hwRevision) override;
+ IPARkISP1();
+
+ int init(const IPASettings &settings, unsigned int hwRevision,
+ const IPACameraSensorInfo &sensorInfo,
+ const ControlInfoMap &sensorControls,
+ ControlInfoMap *ipaControls) override;
int start() override;
- void stop() override {}
+ void stop() override;
- int configure(const IPACameraSensorInfo &info,
+ int configure(const IPAConfigInfo &ipaConfig,
const std::map<uint32_t, IPAStream> &streamConfig,
- const std::map<uint32_t, ControlInfoMap> &entityControls) override;
+ ControlInfoMap *ipaControls) override;
void mapBuffers(const std::vector<IPABuffer> &buffers) override;
void unmapBuffers(const std::vector<unsigned int> &ids) override;
@@ -65,22 +71,15 @@ protected:
std::string logPrefix() const override;
private:
+ void updateControls(const IPACameraSensorInfo &sensorInfo,
+ const ControlInfoMap &sensorControls,
+ ControlInfoMap *ipaControls);
void setControls(unsigned int frame);
- void prepareMetadata(unsigned int frame, unsigned int aeState);
std::map<unsigned int, FrameBuffer> buffers_;
std::map<unsigned int, MappedFrameBuffer> mappedBuffers_;
- ControlInfoMap ctrls_;
-
- /* Camera sensor controls. */
- bool autoExposure_;
-
- /* revision-specific data */
- rkisp1_cif_isp_version hwRevision_;
- unsigned int hwHistBinNMax_;
- unsigned int hwGammaOutMaxSamples_;
- unsigned int hwHistogramWeightGridsSize_;
+ ControlInfoMap sensorControls_;
/* Interface to the Camera Helper */
std::unique_ptr<CameraSensorHelper> camHelper_;
@@ -89,24 +88,59 @@ private:
struct IPAContext context_;
};
+namespace {
+
+const IPAHwSettings ipaHwSettingsV10{
+ RKISP1_CIF_ISP_AE_MEAN_MAX_V10,
+ RKISP1_CIF_ISP_HIST_BIN_N_MAX_V10,
+ RKISP1_CIF_ISP_HISTOGRAM_WEIGHT_GRIDS_SIZE_V10,
+ RKISP1_CIF_ISP_GAMMA_OUT_MAX_SAMPLES_V10,
+};
+
+const IPAHwSettings ipaHwSettingsV12{
+ RKISP1_CIF_ISP_AE_MEAN_MAX_V12,
+ RKISP1_CIF_ISP_HIST_BIN_N_MAX_V12,
+ RKISP1_CIF_ISP_HISTOGRAM_WEIGHT_GRIDS_SIZE_V12,
+ RKISP1_CIF_ISP_GAMMA_OUT_MAX_SAMPLES_V12,
+};
+
+/* List of controls handled by the RkISP1 IPA */
+const ControlInfoMap::Map rkisp1Controls{
+ { &controls::AeEnable, ControlInfo(false, true) },
+ { &controls::AwbEnable, ControlInfo(false, true) },
+ { &controls::ColourGains, ControlInfo(0.0f, 3.996f, 1.0f) },
+ { &controls::Brightness, ControlInfo(-1.0f, 0.993f, 0.0f) },
+ { &controls::Contrast, ControlInfo(0.0f, 1.993f, 1.0f) },
+ { &controls::Saturation, ControlInfo(0.0f, 1.993f, 1.0f) },
+ { &controls::Sharpness, ControlInfo(0.0f, 10.0f, 1.0f) },
+ { &controls::draft::NoiseReductionMode, ControlInfo(controls::draft::NoiseReductionModeValues) },
+};
+
+} /* namespace */
+
+IPARkISP1::IPARkISP1()
+ : context_({ {}, {}, {}, { kMaxFrameContexts }, {} })
+{
+}
+
std::string IPARkISP1::logPrefix() const
{
return "rkisp1";
}
-int IPARkISP1::init(const IPASettings &settings, unsigned int hwRevision)
+int IPARkISP1::init(const IPASettings &settings, unsigned int hwRevision,
+ const IPACameraSensorInfo &sensorInfo,
+ const ControlInfoMap &sensorControls,
+ ControlInfoMap *ipaControls)
{
/* \todo Add support for other revisions */
switch (hwRevision) {
case RKISP1_V10:
- hwHistBinNMax_ = RKISP1_CIF_ISP_HIST_BIN_N_MAX_V10;
- hwGammaOutMaxSamples_ = RKISP1_CIF_ISP_GAMMA_OUT_MAX_SAMPLES_V10;
- hwHistogramWeightGridsSize_ = RKISP1_CIF_ISP_HISTOGRAM_WEIGHT_GRIDS_SIZE_V10;
+ case RKISP1_V_IMX8MP:
+ context_.hw = &ipaHwSettingsV10;
break;
case RKISP1_V12:
- hwHistBinNMax_ = RKISP1_CIF_ISP_HIST_BIN_N_MAX_V12;
- hwGammaOutMaxSamples_ = RKISP1_CIF_ISP_GAMMA_OUT_MAX_SAMPLES_V12;
- hwHistogramWeightGridsSize_ = RKISP1_CIF_ISP_HISTOGRAM_WEIGHT_GRIDS_SIZE_V12;
+ context_.hw = &ipaHwSettingsV12;
break;
default:
LOG(IPARkISP1, Error)
@@ -117,10 +151,7 @@ int IPARkISP1::init(const IPASettings &settings, unsigned int hwRevision)
LOG(IPARkISP1, Debug) << "Hardware revision is " << hwRevision;
- /* Cache the value to set it in configure. */
- hwRevision_ = static_cast<rkisp1_cif_isp_version>(hwRevision);
-
- camHelper_ = CameraSensorHelperFactory::create(settings.sensorModel);
+ camHelper_ = CameraSensorHelperFactoryBase::create(settings.sensorModel);
if (!camHelper_) {
LOG(IPARkISP1, Error)
<< "Failed to create camera sensor helper for "
@@ -128,8 +159,11 @@ int IPARkISP1::init(const IPASettings &settings, unsigned int hwRevision)
return -ENODEV;
}
+ context_.configuration.sensor.lineDuration = sensorInfo.minLineLength
+ * 1.0s / sensorInfo.pixelRate;
+
/* Load the tuning data file. */
- File file(settings.configurationFile.c_str());
+ File file(settings.configurationFile);
if (!file.open(File::OpenModeFlag::ReadOnly)) {
int ret = file.error();
LOG(IPARkISP1, Error)
@@ -155,7 +189,14 @@ int IPARkISP1::init(const IPASettings &settings, unsigned int hwRevision)
return -EINVAL;
}
- return createAlgorithms(context_, (*data)["algorithms"]);
+ int ret = createAlgorithms(context_, (*data)["algorithms"]);
+ if (ret)
+ return ret;
+
+ /* Initialize controls. */
+ updateControls(sensorInfo, sensorControls, ipaControls);
+
+ return 0;
}
int IPARkISP1::start()
@@ -165,52 +206,42 @@ int IPARkISP1::start()
return 0;
}
-/**
- * \todo The RkISP1 pipeline currently provides an empty IPACameraSensorInfo
- * if the connected sensor does not provide enough information to properly
- * assemble one. Make sure the reported sensor information are relevant
- * before accessing them.
- */
-int IPARkISP1::configure([[maybe_unused]] const IPACameraSensorInfo &info,
- [[maybe_unused]] const std::map<uint32_t, IPAStream> &streamConfig,
- const std::map<uint32_t, ControlInfoMap> &entityControls)
+void IPARkISP1::stop()
{
- if (entityControls.empty())
- return -EINVAL;
-
- ctrls_ = entityControls.at(0);
-
- const auto itExp = ctrls_.find(V4L2_CID_EXPOSURE);
- if (itExp == ctrls_.end()) {
- LOG(IPARkISP1, Error) << "Can't find exposure control";
- return -EINVAL;
- }
-
- const auto itGain = ctrls_.find(V4L2_CID_ANALOGUE_GAIN);
- if (itGain == ctrls_.end()) {
- LOG(IPARkISP1, Error) << "Can't find gain control";
- return -EINVAL;
- }
+ context_.frameContexts.clear();
+}
- autoExposure_ = true;
+int IPARkISP1::configure(const IPAConfigInfo &ipaConfig,
+ const std::map<uint32_t, IPAStream> &streamConfig,
+ ControlInfoMap *ipaControls)
+{
+ sensorControls_ = ipaConfig.sensorControls;
+ const auto itExp = sensorControls_.find(V4L2_CID_EXPOSURE);
int32_t minExposure = itExp->second.min().get<int32_t>();
int32_t maxExposure = itExp->second.max().get<int32_t>();
+ const auto itGain = sensorControls_.find(V4L2_CID_ANALOGUE_GAIN);
int32_t minGain = itGain->second.min().get<int32_t>();
int32_t maxGain = itGain->second.max().get<int32_t>();
- LOG(IPARkISP1, Info)
- << "Exposure: " << minExposure << "-" << maxExposure
- << " Gain: " << minGain << "-" << maxGain;
+ LOG(IPARkISP1, Debug)
+ << "Exposure: [" << minExposure << ", " << maxExposure
+ << "], gain: [" << minGain << ", " << maxGain << "]";
- /* Clean context at configuration */
- context_ = {};
+ /* Clear the IPA context before the streaming session. */
+ context_.configuration = {};
+ context_.activeState = {};
+ context_.frameContexts.clear();
- /* Set the hardware revision for the algorithms. */
- context_.configuration.hw.revision = hwRevision_;
+ const IPACameraSensorInfo &info = ipaConfig.sensorInfo;
+ const ControlInfo vBlank = sensorControls_.find(V4L2_CID_VBLANK)->second;
+ context_.configuration.sensor.defVBlank = vBlank.def().get<int32_t>();
+ context_.configuration.sensor.size = info.outputSize;
+ context_.configuration.sensor.lineDuration = info.minLineLength * 1.0s / info.pixelRate;
- context_.configuration.sensor.lineDuration = info.lineLength * 1.0s / info.pixelRate;
+ /* Update the camera controls using the new sensor settings. */
+ updateControls(info, sensorControls_, ipaControls);
/*
* When the AGC computes the new exposure values for a frame, it needs
@@ -219,14 +250,28 @@ int IPARkISP1::configure([[maybe_unused]] const IPACameraSensorInfo &info,
*
* \todo take VBLANK into account for maximum shutter speed
*/
- context_.configuration.agc.minShutterSpeed = minExposure * context_.configuration.sensor.lineDuration;
- context_.configuration.agc.maxShutterSpeed = maxExposure * context_.configuration.sensor.lineDuration;
- context_.configuration.agc.minAnalogueGain = camHelper_->gain(minGain);
- context_.configuration.agc.maxAnalogueGain = camHelper_->gain(maxGain);
-
- context_.frameContext.frameCount = 0;
+ context_.configuration.sensor.minShutterSpeed =
+ minExposure * context_.configuration.sensor.lineDuration;
+ context_.configuration.sensor.maxShutterSpeed =
+ maxExposure * context_.configuration.sensor.lineDuration;
+ context_.configuration.sensor.minAnalogueGain = camHelper_->gain(minGain);
+ context_.configuration.sensor.maxAnalogueGain = camHelper_->gain(maxGain);
+
+ context_.configuration.raw = std::any_of(streamConfig.begin(), streamConfig.end(),
+ [](auto &cfg) -> bool {
+ PixelFormat pixelFormat{ cfg.second.pixelFormat };
+ const PixelFormatInfo &format = PixelFormatInfo::info(pixelFormat);
+ return format.colourEncoding == PixelFormatInfo::ColourEncodingRAW;
+ });
+
+ for (auto const &a : algorithms()) {
+ Algorithm *algo = static_cast<Algorithm *>(a.get());
+
+ /* Disable algorithms that don't support raw formats. */
+ algo->disabled_ = context_.configuration.raw && !algo->supportsRaw_;
+ if (algo->disabled_)
+ continue;
- for (auto const &algo : algorithms()) {
int ret = algo->configure(context_, info);
if (ret)
return ret;
@@ -265,14 +310,22 @@ void IPARkISP1::unmapBuffers(const std::vector<unsigned int> &ids)
}
}
-void IPARkISP1::queueRequest([[maybe_unused]] const uint32_t frame,
- [[maybe_unused]] const ControlList &controls)
+void IPARkISP1::queueRequest(const uint32_t frame, const ControlList &controls)
{
- /* \todo Start processing for 'frame' based on 'controls'. */
+ IPAFrameContext &frameContext = context_.frameContexts.alloc(frame);
+
+ for (auto const &a : algorithms()) {
+ Algorithm *algo = static_cast<Algorithm *>(a.get());
+ if (algo->disabled_)
+ continue;
+ algo->queueRequest(context_, frame, frameContext, controls);
+ }
}
void IPARkISP1::fillParamsBuffer(const uint32_t frame, const uint32_t bufferId)
{
+ IPAFrameContext &frameContext = context_.frameContexts.get(frame);
+
rkisp1_params_cfg *params =
reinterpret_cast<rkisp1_params_cfg *>(
mappedBuffers_.at(bufferId).planes()[0].data());
@@ -281,54 +334,119 @@ void IPARkISP1::fillParamsBuffer(const uint32_t frame, const uint32_t bufferId)
memset(params, 0, sizeof(*params));
for (auto const &algo : algorithms())
- algo->prepare(context_, params);
+ algo->prepare(context_, frame, frameContext, params);
paramsBufferReady.emit(frame);
- context_.frameContext.frameCount++;
}
void IPARkISP1::processStatsBuffer(const uint32_t frame, const uint32_t bufferId,
const ControlList &sensorControls)
{
- const rkisp1_stat_buffer *stats =
- reinterpret_cast<rkisp1_stat_buffer *>(
+ IPAFrameContext &frameContext = context_.frameContexts.get(frame);
+
+ /*
+ * In raw capture mode, the ISP is bypassed and no statistics buffer is
+ * provided.
+ */
+ const rkisp1_stat_buffer *stats = nullptr;
+ if (!context_.configuration.raw)
+ stats = reinterpret_cast<rkisp1_stat_buffer *>(
mappedBuffers_.at(bufferId).planes()[0].data());
- context_.frameContext.sensor.exposure =
+ frameContext.sensor.exposure =
sensorControls.get(V4L2_CID_EXPOSURE).get<int32_t>();
- context_.frameContext.sensor.gain =
+ frameContext.sensor.gain =
camHelper_->gain(sensorControls.get(V4L2_CID_ANALOGUE_GAIN).get<int32_t>());
- unsigned int aeState = 0;
+ ControlList metadata(controls::controls);
- for (auto const &algo : algorithms())
- algo->process(context_, nullptr, stats);
+ for (auto const &a : algorithms()) {
+ Algorithm *algo = static_cast<Algorithm *>(a.get());
+ if (algo->disabled_)
+ continue;
+ algo->process(context_, frame, frameContext, stats, metadata);
+ }
setControls(frame);
- prepareMetadata(frame, aeState);
+ metadataReady.emit(frame, metadata);
}
-void IPARkISP1::setControls(unsigned int frame)
+void IPARkISP1::updateControls(const IPACameraSensorInfo &sensorInfo,
+ const ControlInfoMap &sensorControls,
+ ControlInfoMap *ipaControls)
{
- uint32_t exposure = context_.frameContext.agc.exposure;
- uint32_t gain = camHelper_->gainCode(context_.frameContext.agc.gain);
+ ControlInfoMap::Map ctrlMap = rkisp1Controls;
- ControlList ctrls(ctrls_);
- ctrls.set(V4L2_CID_EXPOSURE, static_cast<int32_t>(exposure));
- ctrls.set(V4L2_CID_ANALOGUE_GAIN, static_cast<int32_t>(gain));
+ /*
+ * Compute exposure time limits from the V4L2_CID_EXPOSURE control
+ * limits and the line duration.
+ */
+ double lineDuration = context_.configuration.sensor.lineDuration.get<std::micro>();
+ const ControlInfo &v4l2Exposure = sensorControls.find(V4L2_CID_EXPOSURE)->second;
+ int32_t minExposure = v4l2Exposure.min().get<int32_t>() * lineDuration;
+ int32_t maxExposure = v4l2Exposure.max().get<int32_t>() * lineDuration;
+ int32_t defExposure = v4l2Exposure.def().get<int32_t>() * lineDuration;
+ ctrlMap.emplace(std::piecewise_construct,
+ std::forward_as_tuple(&controls::ExposureTime),
+ std::forward_as_tuple(minExposure, maxExposure, defExposure));
+
+ /* Compute the analogue gain limits. */
+ const ControlInfo &v4l2Gain = sensorControls.find(V4L2_CID_ANALOGUE_GAIN)->second;
+ float minGain = camHelper_->gain(v4l2Gain.min().get<int32_t>());
+ float maxGain = camHelper_->gain(v4l2Gain.max().get<int32_t>());
+ float defGain = camHelper_->gain(v4l2Gain.def().get<int32_t>());
+ ctrlMap.emplace(std::piecewise_construct,
+ std::forward_as_tuple(&controls::AnalogueGain),
+ std::forward_as_tuple(minGain, maxGain, defGain));
- setSensorControls.emit(frame, ctrls);
+ /*
+ * Compute the frame duration limits.
+ *
+ * The frame length is computed assuming a fixed line length combined
+ * with the vertical frame sizes.
+ */
+ const ControlInfo &v4l2HBlank = sensorControls.find(V4L2_CID_HBLANK)->second;
+ uint32_t hblank = v4l2HBlank.def().get<int32_t>();
+ uint32_t lineLength = sensorInfo.outputSize.width + hblank;
+
+ const ControlInfo &v4l2VBlank = sensorControls.find(V4L2_CID_VBLANK)->second;
+ std::array<uint32_t, 3> frameHeights{
+ v4l2VBlank.min().get<int32_t>() + sensorInfo.outputSize.height,
+ v4l2VBlank.max().get<int32_t>() + sensorInfo.outputSize.height,
+ v4l2VBlank.def().get<int32_t>() + sensorInfo.outputSize.height,
+ };
+
+ std::array<int64_t, 3> frameDurations;
+ for (unsigned int i = 0; i < frameHeights.size(); ++i) {
+ uint64_t frameSize = lineLength * frameHeights[i];
+ frameDurations[i] = frameSize / (sensorInfo.pixelRate / 1000000U);
+ }
+
+ ctrlMap[&controls::FrameDurationLimits] = ControlInfo(frameDurations[0],
+ frameDurations[1],
+ frameDurations[2]);
+
+ ctrlMap.merge(context_.ctrlMap);
+ *ipaControls = ControlInfoMap(std::move(ctrlMap), controls::controls);
}
-void IPARkISP1::prepareMetadata(unsigned int frame, unsigned int aeState)
+void IPARkISP1::setControls(unsigned int frame)
{
- ControlList ctrls(controls::controls);
+ /*
+ * \todo The frame number is most likely wrong here, we need to take
+ * internal sensor delays and other timing parameters into account.
+ */
+
+ IPAFrameContext &frameContext = context_.frameContexts.get(frame);
+ uint32_t exposure = frameContext.agc.exposure;
+ uint32_t gain = camHelper_->gainCode(frameContext.agc.gain);
- if (aeState)
- ctrls.set(controls::AeLocked, aeState == 2);
+ ControlList ctrls(sensorControls_);
+ ctrls.set(V4L2_CID_EXPOSURE, static_cast<int32_t>(exposure));
+ ctrls.set(V4L2_CID_ANALOGUE_GAIN, static_cast<int32_t>(gain));
- metadataReady.emit(frame, ctrls);
+ setSensorControls.emit(frame, ctrls);
}
} /* namespace ipa::rkisp1 */
@@ -341,7 +459,7 @@ extern "C" {
const struct IPAModuleInfo ipaModuleInfo = {
IPA_MODULE_API_VERSION,
1,
- "PipelineHandlerRkISP1",
+ "rkisp1",
"rkisp1",
};
diff --git a/src/ipa/raspberrypi/README.md b/src/ipa/rpi/README.md
index 94a8ccc8..94a8ccc8 100644
--- a/src/ipa/raspberrypi/README.md
+++ b/src/ipa/rpi/README.md
diff --git a/src/ipa/rpi/cam_helper/cam_helper.cpp b/src/ipa/rpi/cam_helper/cam_helper.cpp
new file mode 100644
index 00000000..ee5d011f
--- /dev/null
+++ b/src/ipa/rpi/cam_helper/cam_helper.cpp
@@ -0,0 +1,265 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * helper information for different sensors
+ */
+
+#include <linux/videodev2.h>
+
+#include <limits>
+#include <map>
+#include <string.h>
+
+#include "libcamera/internal/v4l2_videodevice.h"
+
+#include "cam_helper.h"
+#include "md_parser.h"
+
+using namespace RPiController;
+using namespace libcamera;
+using libcamera::utils::Duration;
+using namespace std::literals::chrono_literals;
+
+namespace libcamera {
+LOG_DECLARE_CATEGORY(IPARPI)
+}
+
+namespace {
+
+std::map<std::string, CamHelperCreateFunc> &camHelpers()
+{
+ static std::map<std::string, CamHelperCreateFunc> helpers;
+ return helpers;
+}
+
+} /* namespace */
+
+CamHelper *CamHelper::create(std::string const &camName)
+{
+ /*
+ * CamHelpers get registered by static RegisterCamHelper
+ * initialisers.
+ */
+ for (auto &p : camHelpers()) {
+ if (camName.find(p.first) != std::string::npos)
+ return p.second();
+ }
+
+ return nullptr;
+}
+
+CamHelper::CamHelper(std::unique_ptr<MdParser> parser, unsigned int frameIntegrationDiff)
+ : parser_(std::move(parser)), frameIntegrationDiff_(frameIntegrationDiff)
+{
+}
+
+CamHelper::~CamHelper()
+{
+}
+
+void CamHelper::prepare(Span<const uint8_t> buffer,
+ Metadata &metadata)
+{
+ parseEmbeddedData(buffer, metadata);
+}
+
+void CamHelper::process([[maybe_unused]] StatisticsPtr &stats,
+ [[maybe_unused]] Metadata &metadata)
+{
+}
+
+uint32_t CamHelper::exposureLines(const Duration exposure, const Duration lineLength) const
+{
+ return exposure / lineLength;
+}
+
+Duration CamHelper::exposure(uint32_t exposureLines, const Duration lineLength) const
+{
+ return exposureLines * lineLength;
+}
+
+std::pair<uint32_t, uint32_t> CamHelper::getBlanking(Duration &exposure,
+ Duration minFrameDuration,
+ Duration maxFrameDuration) const
+{
+ uint32_t frameLengthMin, frameLengthMax, vblank, hblank;
+ Duration lineLength = mode_.minLineLength;
+
+ /*
+ * minFrameDuration and maxFrameDuration are clamped by the caller
+ * based on the limits for the active sensor mode.
+ *
+ * frameLengthMax gets calculated on the smallest line length as we do
+ * not want to extend that unless absolutely necessary.
+ */
+ frameLengthMin = minFrameDuration / mode_.minLineLength;
+ frameLengthMax = maxFrameDuration / mode_.minLineLength;
+
+ /*
+ * Watch out for (exposureLines + frameIntegrationDiff_) overflowing a
+ * uint32_t in the std::clamp() below when the exposure time is
+ * extremely (extremely!) long - as happens when the IPA calculates the
+ * maximum possible exposure time.
+ */
+ uint32_t exposureLines = std::min(CamHelper::exposureLines(exposure, lineLength),
+ std::numeric_limits<uint32_t>::max() - frameIntegrationDiff_);
+ uint32_t frameLengthLines = std::clamp(exposureLines + frameIntegrationDiff_,
+ frameLengthMin, frameLengthMax);
+
+ /*
+ * If our frame length lines is above the maximum allowed, see if we can
+ * extend the line length to accommodate the requested frame length.
+ */
+ if (frameLengthLines > mode_.maxFrameLength) {
+ Duration lineLengthAdjusted = lineLength * frameLengthLines / mode_.maxFrameLength;
+ lineLength = std::min(mode_.maxLineLength, lineLengthAdjusted);
+ frameLengthLines = mode_.maxFrameLength;
+ }
+
+ hblank = lineLengthToHblank(lineLength);
+ vblank = frameLengthLines - mode_.height;
+
+ /*
+ * Limit the exposure to the maximum frame duration requested, and
+ * re-calculate if it has been clipped.
+ */
+ exposureLines = std::min(frameLengthLines - frameIntegrationDiff_,
+ CamHelper::exposureLines(exposure, lineLength));
+ exposure = CamHelper::exposure(exposureLines, lineLength);
+
+ return { vblank, hblank };
+}
+
+Duration CamHelper::hblankToLineLength(uint32_t hblank) const
+{
+ return (mode_.width + hblank) * (1.0s / mode_.pixelRate);
+}
+
+uint32_t CamHelper::lineLengthToHblank(const Duration &lineLength) const
+{
+ return (lineLength * mode_.pixelRate / 1.0s) - mode_.width;
+}
+
+Duration CamHelper::lineLengthPckToDuration(uint32_t lineLengthPck) const
+{
+ return lineLengthPck * (1.0s / mode_.pixelRate);
+}
+
+void CamHelper::setCameraMode(const CameraMode &mode)
+{
+ mode_ = mode;
+ if (parser_) {
+ parser_->reset();
+ parser_->setBitsPerPixel(mode.bitdepth);
+ parser_->setLineLengthBytes(0); /* We use SetBufferSize. */
+ }
+}
+
+void CamHelper::getDelays(int &exposureDelay, int &gainDelay,
+ int &vblankDelay, int &hblankDelay) const
+{
+ /*
+ * These values are correct for many sensors. Other sensors will
+ * need to over-ride this function.
+ */
+ exposureDelay = 2;
+ gainDelay = 1;
+ vblankDelay = 2;
+ hblankDelay = 2;
+}
+
+bool CamHelper::sensorEmbeddedDataPresent() const
+{
+ return false;
+}
+
+double CamHelper::getModeSensitivity([[maybe_unused]] const CameraMode &mode) const
+{
+ /*
+ * Most sensors have the same sensitivity in every mode, but this
+ * function can be overridden for those that do not. Note that it is
+ * called before mode_ is set, so it must return the sensitivity
+ * of the mode that is passed in.
+ */
+ return 1.0;
+}
+
+unsigned int CamHelper::hideFramesStartup() const
+{
+ /*
+ * The number of frames when a camera first starts that shouldn't be
+ * displayed as they are invalid in some way.
+ */
+ return 0;
+}
+
+unsigned int CamHelper::hideFramesModeSwitch() const
+{
+ /* After a mode switch, many sensors return valid frames immediately. */
+ return 0;
+}
+
+unsigned int CamHelper::mistrustFramesStartup() const
+{
+ /* Many sensors return a single bad frame on start-up. */
+ return 1;
+}
+
+unsigned int CamHelper::mistrustFramesModeSwitch() const
+{
+ /* Many sensors return valid metadata immediately. */
+ return 0;
+}
+
+void CamHelper::parseEmbeddedData(Span<const uint8_t> buffer,
+ Metadata &metadata)
+{
+ MdParser::RegisterMap registers;
+ Metadata parsedMetadata;
+
+ if (buffer.empty())
+ return;
+
+ if (parser_->parse(buffer, registers) != MdParser::Status::OK) {
+ LOG(IPARPI, Error) << "Embedded data buffer parsing failed";
+ return;
+ }
+
+ populateMetadata(registers, parsedMetadata);
+ metadata.merge(parsedMetadata);
+
+ /*
+ * Overwrite the exposure/gain, line/frame length and sensor temperature values
+ * in the existing DeviceStatus with values from the parsed embedded buffer.
+ * Fetch it first in case any other fields were set meaningfully.
+ */
+ DeviceStatus deviceStatus, parsedDeviceStatus;
+ if (metadata.get("device.status", deviceStatus) ||
+ parsedMetadata.get("device.status", parsedDeviceStatus)) {
+ LOG(IPARPI, Error) << "DeviceStatus not found";
+ return;
+ }
+
+ deviceStatus.shutterSpeed = parsedDeviceStatus.shutterSpeed;
+ deviceStatus.analogueGain = parsedDeviceStatus.analogueGain;
+ deviceStatus.frameLength = parsedDeviceStatus.frameLength;
+ deviceStatus.lineLength = parsedDeviceStatus.lineLength;
+ if (parsedDeviceStatus.sensorTemperature)
+ deviceStatus.sensorTemperature = parsedDeviceStatus.sensorTemperature;
+
+ LOG(IPARPI, Debug) << "Metadata updated - " << deviceStatus;
+
+ metadata.set("device.status", deviceStatus);
+}
+
+void CamHelper::populateMetadata([[maybe_unused]] const MdParser::RegisterMap &registers,
+ [[maybe_unused]] Metadata &metadata) const
+{
+}
+
+RegisterCamHelper::RegisterCamHelper(char const *camName,
+ CamHelperCreateFunc createFunc)
+{
+ camHelpers()[std::string(camName)] = createFunc;
+}
diff --git a/src/ipa/rpi/cam_helper/cam_helper.h b/src/ipa/rpi/cam_helper/cam_helper.h
new file mode 100644
index 00000000..4a4ab5e6
--- /dev/null
+++ b/src/ipa/rpi/cam_helper/cam_helper.h
@@ -0,0 +1,132 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * helper class providing camera information
+ */
+#pragma once
+
+#include <memory>
+#include <string>
+#include <utility>
+
+#include <libcamera/base/span.h>
+#include <libcamera/base/utils.h>
+
+#include "controller/camera_mode.h"
+#include "controller/controller.h"
+#include "controller/metadata.h"
+#include "md_parser.h"
+
+#include "libcamera/internal/v4l2_videodevice.h"
+
+namespace RPiController {
+
+/*
+ * The CamHelper class provides a number of facilities that anyone trying
+ * to drive a camera will need to know, but which are not provided by the
+ * standard driver framework. Specifically, it provides:
+ *
+ * A "CameraMode" structure to describe extra information about the chosen
+ * mode of the driver. For example, how it is cropped from the full sensor
+ * area, how it is scaled, whether pixels are averaged compared to the full
+ * resolution.
+ *
+ * The ability to convert between number of lines of exposure and actual
+ * exposure time, and to convert between the sensor's gain codes and actual
+ * gains.
+ *
+ * A function to return the number of frames of delay between updating exposure,
+ * analogue gain and vblanking, and for the changes to take effect. For many
+ * sensors these take the values 2, 1 and 2 respectively, but sensors that are
+ * different will need to over-ride the default function provided.
+ *
+ * A function to query if the sensor outputs embedded data that can be parsed.
+ *
+ * A function to return the sensitivity of a given camera mode.
+ *
+ * A parser to parse the embedded data buffers provided by some sensors (for
+ * example, the imx219 does; the ov5647 doesn't). This allows us to know for
+ * sure the exposure and gain of the frame we're looking at. CamHelper
+ * provides functions for converting analogue gains to and from the sensor's
+ * native gain codes.
+ *
+ * Finally, a set of functions that determine how to handle the vagaries of
+ * different camera modules on start-up or when switching modes. Some
+ * modules may produce one or more frames that are not yet correctly exposed,
+ * or where the metadata may be suspect. We have the following functions:
+ * HideFramesStartup(): Tell the pipeline handler not to return this many
+ * frames at start-up. This can also be used to hide initial frames
+ * while the AGC and other algorithms are sorting themselves out.
+ * HideFramesModeSwitch(): Tell the pipeline handler not to return this
+ * many frames after a mode switch (other than start-up). Some sensors
+ * may produce innvalid frames after a mode switch; others may not.
+ * MistrustFramesStartup(): At start-up a sensor may return frames for
+ * which we should not run any control algorithms (for example, metadata
+ * may be invalid).
+ * MistrustFramesModeSwitch(): The number of frames, after a mode switch
+ * (other than start-up), for which control algorithms should not run
+ * (for example, metadata may be unreliable).
+ */
+
+class CamHelper
+{
+public:
+ static CamHelper *create(std::string const &camName);
+ CamHelper(std::unique_ptr<MdParser> parser, unsigned int frameIntegrationDiff);
+ virtual ~CamHelper();
+ void setCameraMode(const CameraMode &mode);
+ virtual void prepare(libcamera::Span<const uint8_t> buffer,
+ Metadata &metadata);
+ virtual void process(StatisticsPtr &stats, Metadata &metadata);
+ virtual uint32_t exposureLines(const libcamera::utils::Duration exposure,
+ const libcamera::utils::Duration lineLength) const;
+ virtual libcamera::utils::Duration exposure(uint32_t exposureLines,
+ const libcamera::utils::Duration lineLength) const;
+ virtual std::pair<uint32_t, uint32_t> getBlanking(libcamera::utils::Duration &exposure,
+ libcamera::utils::Duration minFrameDuration,
+ libcamera::utils::Duration maxFrameDuration) const;
+ libcamera::utils::Duration hblankToLineLength(uint32_t hblank) const;
+ uint32_t lineLengthToHblank(const libcamera::utils::Duration &duration) const;
+ libcamera::utils::Duration lineLengthPckToDuration(uint32_t lineLengthPck) const;
+ virtual uint32_t gainCode(double gain) const = 0;
+ virtual double gain(uint32_t gainCode) const = 0;
+ virtual void getDelays(int &exposureDelay, int &gainDelay,
+ int &vblankDelay, int &hblankDelay) const;
+ virtual bool sensorEmbeddedDataPresent() const;
+ virtual double getModeSensitivity(const CameraMode &mode) const;
+ virtual unsigned int hideFramesStartup() const;
+ virtual unsigned int hideFramesModeSwitch() const;
+ virtual unsigned int mistrustFramesStartup() const;
+ virtual unsigned int mistrustFramesModeSwitch() const;
+
+protected:
+ void parseEmbeddedData(libcamera::Span<const uint8_t> buffer,
+ Metadata &metadata);
+ virtual void populateMetadata(const MdParser::RegisterMap &registers,
+ Metadata &metadata) const;
+
+ std::unique_ptr<MdParser> parser_;
+ CameraMode mode_;
+
+private:
+ /*
+ * Smallest difference between the frame length and integration time,
+ * in units of lines.
+ */
+ unsigned int frameIntegrationDiff_;
+};
+
+/*
+ * This is for registering camera helpers with the system, so that the
+ * CamHelper::Create function picks them up automatically.
+ */
+
+typedef CamHelper *(*CamHelperCreateFunc)();
+struct RegisterCamHelper
+{
+ RegisterCamHelper(char const *camName,
+ CamHelperCreateFunc createFunc);
+};
+
+} /* namespace RPi */
diff --git a/src/ipa/raspberrypi/cam_helper_imx219.cpp b/src/ipa/rpi/cam_helper/cam_helper_imx219.cpp
index a3caab71..91461f7a 100644
--- a/src/ipa/raspberrypi/cam_helper_imx219.cpp
+++ b/src/ipa/rpi/cam_helper/cam_helper_imx219.cpp
@@ -1,8 +1,8 @@
/* SPDX-License-Identifier: BSD-2-Clause */
/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
+ * Copyright (C) 2019, Raspberry Pi Ltd
*
- * cam_helper_imx219.cpp - camera helper for imx219 sensor
+ * camera helper for imx219 sensor
*/
#include <assert.h>
@@ -16,9 +16,9 @@
*/
#define ENABLE_EMBEDDED_DATA 0
-#include "cam_helper.hpp"
+#include "cam_helper.h"
#if ENABLE_EMBEDDED_DATA
-#include "md_parser.hpp"
+#include "md_parser.h"
#endif
using namespace RPiController;
@@ -32,17 +32,20 @@ constexpr uint32_t expHiReg = 0x15a;
constexpr uint32_t expLoReg = 0x15b;
constexpr uint32_t frameLengthHiReg = 0x160;
constexpr uint32_t frameLengthLoReg = 0x161;
+constexpr uint32_t lineLengthHiReg = 0x162;
+constexpr uint32_t lineLengthLoReg = 0x163;
constexpr std::initializer_list<uint32_t> registerList [[maybe_unused]]
- = { expHiReg, expLoReg, gainReg, frameLengthHiReg, frameLengthLoReg };
+ = { expHiReg, expLoReg, gainReg, frameLengthHiReg, frameLengthLoReg,
+ lineLengthHiReg, lineLengthLoReg };
class CamHelperImx219 : public CamHelper
{
public:
CamHelperImx219();
- uint32_t GainCode(double gain) const override;
- double Gain(uint32_t gain_code) const override;
- unsigned int MistrustFramesModeSwitch() const override;
- bool SensorEmbeddedDataPresent() const override;
+ uint32_t gainCode(double gain) const override;
+ double gain(uint32_t gainCode) const override;
+ unsigned int mistrustFramesModeSwitch() const override;
+ bool sensorEmbeddedDataPresent() const override;
private:
/*
@@ -51,7 +54,7 @@ private:
*/
static constexpr int frameIntegrationDiff = 4;
- void PopulateMetadata(const MdParser::RegisterMap &registers,
+ void populateMetadata(const MdParser::RegisterMap &registers,
Metadata &metadata) const override;
};
@@ -64,17 +67,17 @@ CamHelperImx219::CamHelperImx219()
{
}
-uint32_t CamHelperImx219::GainCode(double gain) const
+uint32_t CamHelperImx219::gainCode(double gain) const
{
return (uint32_t)(256 - 256 / gain);
}
-double CamHelperImx219::Gain(uint32_t gain_code) const
+double CamHelperImx219::gain(uint32_t gainCode) const
{
- return 256.0 / (256 - gain_code);
+ return 256.0 / (256 - gainCode);
}
-unsigned int CamHelperImx219::MistrustFramesModeSwitch() const
+unsigned int CamHelperImx219::mistrustFramesModeSwitch() const
{
/*
* For reasons unknown, we do occasionally get a bogus metadata frame
@@ -84,26 +87,29 @@ unsigned int CamHelperImx219::MistrustFramesModeSwitch() const
return 1;
}
-bool CamHelperImx219::SensorEmbeddedDataPresent() const
+bool CamHelperImx219::sensorEmbeddedDataPresent() const
{
return ENABLE_EMBEDDED_DATA;
}
-void CamHelperImx219::PopulateMetadata(const MdParser::RegisterMap &registers,
+void CamHelperImx219::populateMetadata(const MdParser::RegisterMap &registers,
Metadata &metadata) const
{
DeviceStatus deviceStatus;
- deviceStatus.shutter_speed = Exposure(registers.at(expHiReg) * 256 + registers.at(expLoReg));
- deviceStatus.analogue_gain = Gain(registers.at(gainReg));
- deviceStatus.frame_length = registers.at(frameLengthHiReg) * 256 + registers.at(frameLengthLoReg);
+ deviceStatus.lineLength = lineLengthPckToDuration(registers.at(lineLengthHiReg) * 256 +
+ registers.at(lineLengthLoReg));
+ deviceStatus.shutterSpeed = exposure(registers.at(expHiReg) * 256 + registers.at(expLoReg),
+ deviceStatus.lineLength);
+ deviceStatus.analogueGain = gain(registers.at(gainReg));
+ deviceStatus.frameLength = registers.at(frameLengthHiReg) * 256 + registers.at(frameLengthLoReg);
- metadata.Set("device.status", deviceStatus);
+ metadata.set("device.status", deviceStatus);
}
-static CamHelper *Create()
+static CamHelper *create()
{
return new CamHelperImx219();
}
-static RegisterCamHelper reg("imx219", &Create);
+static RegisterCamHelper reg("imx219", &create);
diff --git a/src/ipa/rpi/cam_helper/cam_helper_imx290.cpp b/src/ipa/rpi/cam_helper/cam_helper_imx290.cpp
new file mode 100644
index 00000000..24275e12
--- /dev/null
+++ b/src/ipa/rpi/cam_helper/cam_helper_imx290.cpp
@@ -0,0 +1,75 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2021, Raspberry Pi Ltd
+ *
+ * camera helper for imx290 sensor
+ */
+
+#include <math.h>
+
+#include "cam_helper.h"
+
+using namespace RPiController;
+
+class CamHelperImx290 : public CamHelper
+{
+public:
+ CamHelperImx290();
+ uint32_t gainCode(double gain) const override;
+ double gain(uint32_t gainCode) const override;
+ void getDelays(int &exposureDelay, int &gainDelay,
+ int &vblankDelay, int &hblankDelay) const override;
+ unsigned int hideFramesStartup() const override;
+ unsigned int hideFramesModeSwitch() const override;
+
+private:
+ /*
+ * Smallest difference between the frame length and integration time,
+ * in units of lines.
+ */
+ static constexpr int frameIntegrationDiff = 2;
+};
+
+CamHelperImx290::CamHelperImx290()
+ : CamHelper({}, frameIntegrationDiff)
+{
+}
+
+uint32_t CamHelperImx290::gainCode(double gain) const
+{
+ int code = 66.6667 * log10(gain);
+ return std::max(0, std::min(code, 0xf0));
+}
+
+double CamHelperImx290::gain(uint32_t gainCode) const
+{
+ return pow(10, 0.015 * gainCode);
+}
+
+void CamHelperImx290::getDelays(int &exposureDelay, int &gainDelay,
+ int &vblankDelay, int &hblankDelay) const
+{
+ exposureDelay = 2;
+ gainDelay = 2;
+ vblankDelay = 2;
+ hblankDelay = 2;
+}
+
+unsigned int CamHelperImx290::hideFramesStartup() const
+{
+ /* On startup, we seem to get 1 bad frame. */
+ return 1;
+}
+
+unsigned int CamHelperImx290::hideFramesModeSwitch() const
+{
+ /* After a mode switch, we seem to get 1 bad frame. */
+ return 1;
+}
+
+static CamHelper *create()
+{
+ return new CamHelperImx290();
+}
+
+static RegisterCamHelper reg("imx290", &create);
diff --git a/src/ipa/rpi/cam_helper/cam_helper_imx296.cpp b/src/ipa/rpi/cam_helper/cam_helper_imx296.cpp
new file mode 100644
index 00000000..d4a4fa79
--- /dev/null
+++ b/src/ipa/rpi/cam_helper/cam_helper_imx296.cpp
@@ -0,0 +1,83 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2020, Raspberry Pi Ltd
+ *
+ * Camera helper for IMX296 sensor
+ */
+
+#include <algorithm>
+#include <cmath>
+#include <stddef.h>
+
+#include "cam_helper.h"
+
+using namespace RPiController;
+using libcamera::utils::Duration;
+using namespace std::literals::chrono_literals;
+
+class CamHelperImx296 : public CamHelper
+{
+public:
+ CamHelperImx296();
+ uint32_t gainCode(double gain) const override;
+ double gain(uint32_t gainCode) const override;
+ uint32_t exposureLines(const Duration exposure, const Duration lineLength) const override;
+ Duration exposure(uint32_t exposureLines, const Duration lineLength) const override;
+ void getDelays(int &exposureDelay, int &gainDelay,
+ int &vblankDelay, int &hblankDelay) const override;
+
+private:
+ static constexpr uint32_t minExposureLines = 1;
+ static constexpr uint32_t maxGainCode = 239;
+ static constexpr Duration timePerLine = 550.0 / 37.125e6 * 1.0s;
+
+ /*
+ * Smallest difference between the frame length and integration time,
+ * in units of lines.
+ */
+ static constexpr int frameIntegrationDiff = 4;
+};
+
+CamHelperImx296::CamHelperImx296()
+ : CamHelper(nullptr, frameIntegrationDiff)
+{
+}
+
+uint32_t CamHelperImx296::gainCode(double gain) const
+{
+ uint32_t code = 20 * std::log10(gain) * 10;
+ return std::min(code, maxGainCode);
+}
+
+double CamHelperImx296::gain(uint32_t gainCode) const
+{
+ return std::pow(10.0, gainCode / 200.0);
+}
+
+uint32_t CamHelperImx296::exposureLines(const Duration exposure,
+ [[maybe_unused]] const Duration lineLength) const
+{
+ return std::max<uint32_t>(minExposureLines, (exposure - 14.26us) / timePerLine);
+}
+
+Duration CamHelperImx296::exposure(uint32_t exposureLines,
+ [[maybe_unused]] const Duration lineLength) const
+{
+ return std::max<uint32_t>(minExposureLines, exposureLines) * timePerLine + 14.26us;
+}
+
+void CamHelperImx296::getDelays(int &exposureDelay, int &gainDelay,
+ int &vblankDelay, int &hblankDelay) const
+{
+ exposureDelay = 2;
+ gainDelay = 2;
+ vblankDelay = 2;
+ hblankDelay = 2;
+}
+
+static CamHelper *create()
+{
+ return new CamHelperImx296();
+}
+
+static RegisterCamHelper reg("imx296", &create);
diff --git a/src/ipa/raspberrypi/cam_helper_imx477.cpp b/src/ipa/rpi/cam_helper/cam_helper_imx477.cpp
index 0e1c0dbd..6bd89334 100644
--- a/src/ipa/raspberrypi/cam_helper_imx477.cpp
+++ b/src/ipa/rpi/cam_helper/cam_helper_imx477.cpp
@@ -1,8 +1,8 @@
/* SPDX-License-Identifier: BSD-2-Clause */
/*
- * Copyright (C) 2020, Raspberry Pi (Trading) Limited
+ * Copyright (C) 2020, Raspberry Pi Ltd
*
- * cam_helper_imx477.cpp - camera helper for imx477 sensor
+ * camera helper for imx477 sensor
*/
#include <algorithm>
@@ -14,8 +14,8 @@
#include <libcamera/base/log.h>
-#include "cam_helper.hpp"
-#include "md_parser.hpp"
+#include "cam_helper.h"
+#include "md_parser.h"
using namespace RPiController;
using namespace libcamera;
@@ -35,22 +35,25 @@ constexpr uint32_t gainHiReg = 0x0204;
constexpr uint32_t gainLoReg = 0x0205;
constexpr uint32_t frameLengthHiReg = 0x0340;
constexpr uint32_t frameLengthLoReg = 0x0341;
+constexpr uint32_t lineLengthHiReg = 0x0342;
+constexpr uint32_t lineLengthLoReg = 0x0343;
constexpr uint32_t temperatureReg = 0x013a;
constexpr std::initializer_list<uint32_t> registerList =
- { expHiReg, expLoReg, gainHiReg, gainLoReg, frameLengthHiReg, frameLengthLoReg, temperatureReg };
+ { expHiReg, expLoReg, gainHiReg, gainLoReg, frameLengthHiReg, frameLengthLoReg,
+ lineLengthHiReg, lineLengthLoReg, temperatureReg };
class CamHelperImx477 : public CamHelper
{
public:
CamHelperImx477();
- uint32_t GainCode(double gain) const override;
- double Gain(uint32_t gain_code) const override;
- void Prepare(libcamera::Span<const uint8_t> buffer, Metadata &metadata) override;
- uint32_t GetVBlanking(Duration &exposure, Duration minFrameDuration,
- Duration maxFrameDuration) const override;
- void GetDelays(int &exposure_delay, int &gain_delay,
- int &vblank_delay) const override;
- bool SensorEmbeddedDataPresent() const override;
+ uint32_t gainCode(double gain) const override;
+ double gain(uint32_t gainCode) const override;
+ void prepare(libcamera::Span<const uint8_t> buffer, Metadata &metadata) override;
+ std::pair<uint32_t, uint32_t> getBlanking(Duration &exposure, Duration minFrameDuration,
+ Duration maxFrameDuration) const override;
+ void getDelays(int &exposureDelay, int &gainDelay,
+ int &vblankDelay, int &hblankDelay) const override;
+ bool sensorEmbeddedDataPresent() const override;
private:
/*
@@ -63,7 +66,7 @@ private:
/* Largest long exposure scale factor given as a left shift on the frame length. */
static constexpr int longExposureShiftMax = 7;
- void PopulateMetadata(const MdParser::RegisterMap &registers,
+ void populateMetadata(const MdParser::RegisterMap &registers,
Metadata &metadata) const override;
};
@@ -72,22 +75,22 @@ CamHelperImx477::CamHelperImx477()
{
}
-uint32_t CamHelperImx477::GainCode(double gain) const
+uint32_t CamHelperImx477::gainCode(double gain) const
{
return static_cast<uint32_t>(1024 - 1024 / gain);
}
-double CamHelperImx477::Gain(uint32_t gain_code) const
+double CamHelperImx477::gain(uint32_t gainCode) const
{
- return 1024.0 / (1024 - gain_code);
+ return 1024.0 / (1024 - gainCode);
}
-void CamHelperImx477::Prepare(libcamera::Span<const uint8_t> buffer, Metadata &metadata)
+void CamHelperImx477::prepare(libcamera::Span<const uint8_t> buffer, Metadata &metadata)
{
MdParser::RegisterMap registers;
DeviceStatus deviceStatus;
- if (metadata.Get("device.status", deviceStatus)) {
+ if (metadata.get("device.status", deviceStatus)) {
LOG(IPARPI, Error) << "DeviceStatus not found from DelayedControls";
return;
}
@@ -105,28 +108,32 @@ void CamHelperImx477::Prepare(libcamera::Span<const uint8_t> buffer, Metadata &m
* Otherwise, all values are updated with what is reported in the
* embedded data.
*/
- if (deviceStatus.frame_length > frameLengthMax) {
+ if (deviceStatus.frameLength > frameLengthMax) {
DeviceStatus parsedDeviceStatus;
- metadata.Get("device.status", parsedDeviceStatus);
- parsedDeviceStatus.shutter_speed = deviceStatus.shutter_speed;
- parsedDeviceStatus.frame_length = deviceStatus.frame_length;
- metadata.Set("device.status", parsedDeviceStatus);
+ metadata.get("device.status", parsedDeviceStatus);
+ parsedDeviceStatus.shutterSpeed = deviceStatus.shutterSpeed;
+ parsedDeviceStatus.frameLength = deviceStatus.frameLength;
+ metadata.set("device.status", parsedDeviceStatus);
LOG(IPARPI, Debug) << "Metadata updated for long exposure: "
<< parsedDeviceStatus;
}
}
-uint32_t CamHelperImx477::GetVBlanking(Duration &exposure,
- Duration minFrameDuration,
- Duration maxFrameDuration) const
+std::pair<uint32_t, uint32_t> CamHelperImx477::getBlanking(Duration &exposure,
+ Duration minFrameDuration,
+ Duration maxFrameDuration) const
{
uint32_t frameLength, exposureLines;
unsigned int shift = 0;
- frameLength = mode_.height + CamHelper::GetVBlanking(exposure, minFrameDuration,
- maxFrameDuration);
+ auto [vblank, hblank] = CamHelper::getBlanking(exposure, minFrameDuration,
+ maxFrameDuration);
+
+ frameLength = mode_.height + vblank;
+ Duration lineLength = hblankToLineLength(hblank);
+
/*
* Check if the frame length calculated needs to be setup for long
* exposure mode. This will require us to use a long exposure scale
@@ -144,43 +151,47 @@ uint32_t CamHelperImx477::GetVBlanking(Duration &exposure,
if (shift) {
/* Account for any rounding in the scaled frame length value. */
frameLength <<= shift;
- exposureLines = ExposureLines(exposure);
+ exposureLines = CamHelperImx477::exposureLines(exposure, lineLength);
exposureLines = std::min(exposureLines, frameLength - frameIntegrationDiff);
- exposure = Exposure(exposureLines);
+ exposure = CamHelperImx477::exposure(exposureLines, lineLength);
}
- return frameLength - mode_.height;
+ return { frameLength - mode_.height, hblank };
}
-void CamHelperImx477::GetDelays(int &exposure_delay, int &gain_delay,
- int &vblank_delay) const
+void CamHelperImx477::getDelays(int &exposureDelay, int &gainDelay,
+ int &vblankDelay, int &hblankDelay) const
{
- exposure_delay = 2;
- gain_delay = 2;
- vblank_delay = 3;
+ exposureDelay = 2;
+ gainDelay = 2;
+ vblankDelay = 3;
+ hblankDelay = 3;
}
-bool CamHelperImx477::SensorEmbeddedDataPresent() const
+bool CamHelperImx477::sensorEmbeddedDataPresent() const
{
return true;
}
-void CamHelperImx477::PopulateMetadata(const MdParser::RegisterMap &registers,
+void CamHelperImx477::populateMetadata(const MdParser::RegisterMap &registers,
Metadata &metadata) const
{
DeviceStatus deviceStatus;
- deviceStatus.shutter_speed = Exposure(registers.at(expHiReg) * 256 + registers.at(expLoReg));
- deviceStatus.analogue_gain = Gain(registers.at(gainHiReg) * 256 + registers.at(gainLoReg));
- deviceStatus.frame_length = registers.at(frameLengthHiReg) * 256 + registers.at(frameLengthLoReg);
- deviceStatus.sensor_temperature = std::clamp<int8_t>(registers.at(temperatureReg), -20, 80);
+ deviceStatus.lineLength = lineLengthPckToDuration(registers.at(lineLengthHiReg) * 256 +
+ registers.at(lineLengthLoReg));
+ deviceStatus.shutterSpeed = exposure(registers.at(expHiReg) * 256 + registers.at(expLoReg),
+ deviceStatus.lineLength);
+ deviceStatus.analogueGain = gain(registers.at(gainHiReg) * 256 + registers.at(gainLoReg));
+ deviceStatus.frameLength = registers.at(frameLengthHiReg) * 256 + registers.at(frameLengthLoReg);
+ deviceStatus.sensorTemperature = std::clamp<int8_t>(registers.at(temperatureReg), -20, 80);
- metadata.Set("device.status", deviceStatus);
+ metadata.set("device.status", deviceStatus);
}
-static CamHelper *Create()
+static CamHelper *create()
{
return new CamHelperImx477();
}
-static RegisterCamHelper reg("imx477", &Create);
+static RegisterCamHelper reg("imx477", &create);
diff --git a/src/ipa/raspberrypi/cam_helper_imx519.cpp b/src/ipa/rpi/cam_helper/cam_helper_imx519.cpp
index eaf24982..c2de3d40 100644
--- a/src/ipa/raspberrypi/cam_helper_imx519.cpp
+++ b/src/ipa/rpi/cam_helper/cam_helper_imx519.cpp
@@ -1,9 +1,9 @@
/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Based on cam_helper_imx477.cpp
- * Copyright (C) 2020, Raspberry Pi (Trading) Limited
+ * Copyright (C) 2020, Raspberry Pi Ltd
*
- * cam_helper_imx519.cpp - camera helper for imx519 sensor
+ * camera helper for imx519 sensor
* Copyright (C) 2021, Arducam Technology co., Ltd.
*/
@@ -15,8 +15,8 @@
#include <libcamera/base/log.h>
-#include "cam_helper.hpp"
-#include "md_parser.hpp"
+#include "cam_helper.h"
+#include "md_parser.h"
using namespace RPiController;
using namespace libcamera;
@@ -36,21 +36,24 @@ constexpr uint32_t gainHiReg = 0x0204;
constexpr uint32_t gainLoReg = 0x0205;
constexpr uint32_t frameLengthHiReg = 0x0340;
constexpr uint32_t frameLengthLoReg = 0x0341;
+constexpr uint32_t lineLengthHiReg = 0x0342;
+constexpr uint32_t lineLengthLoReg = 0x0343;
constexpr std::initializer_list<uint32_t> registerList =
- { expHiReg, expLoReg, gainHiReg, gainLoReg, frameLengthHiReg, frameLengthLoReg };
+ { expHiReg, expLoReg, gainHiReg, gainLoReg, frameLengthHiReg, frameLengthLoReg,
+ lineLengthHiReg, lineLengthLoReg };
class CamHelperImx519 : public CamHelper
{
public:
CamHelperImx519();
- uint32_t GainCode(double gain) const override;
- double Gain(uint32_t gain_code) const override;
- void Prepare(libcamera::Span<const uint8_t> buffer, Metadata &metadata) override;
- uint32_t GetVBlanking(Duration &exposure, Duration minFrameDuration,
- Duration maxFrameDuration) const override;
- void GetDelays(int &exposure_delay, int &gain_delay,
- int &vblank_delay) const override;
- bool SensorEmbeddedDataPresent() const override;
+ uint32_t gainCode(double gain) const override;
+ double gain(uint32_t gainCode) const override;
+ void prepare(libcamera::Span<const uint8_t> buffer, Metadata &metadata) override;
+ std::pair<uint32_t, uint32_t> getBlanking(Duration &exposure, Duration minFrameDuration,
+ Duration maxFrameDuration) const override;
+ void getDelays(int &exposureDelay, int &gainDelay,
+ int &vblankDelay, int &hblankDelay) const override;
+ bool sensorEmbeddedDataPresent() const override;
private:
/*
@@ -63,7 +66,7 @@ private:
/* Largest long exposure scale factor given as a left shift on the frame length. */
static constexpr int longExposureShiftMax = 7;
- void PopulateMetadata(const MdParser::RegisterMap &registers,
+ void populateMetadata(const MdParser::RegisterMap &registers,
Metadata &metadata) const override;
};
@@ -72,22 +75,22 @@ CamHelperImx519::CamHelperImx519()
{
}
-uint32_t CamHelperImx519::GainCode(double gain) const
+uint32_t CamHelperImx519::gainCode(double gain) const
{
return static_cast<uint32_t>(1024 - 1024 / gain);
}
-double CamHelperImx519::Gain(uint32_t gain_code) const
+double CamHelperImx519::gain(uint32_t gainCode) const
{
- return 1024.0 / (1024 - gain_code);
+ return 1024.0 / (1024 - gainCode);
}
-void CamHelperImx519::Prepare(libcamera::Span<const uint8_t> buffer, Metadata &metadata)
+void CamHelperImx519::prepare(libcamera::Span<const uint8_t> buffer, Metadata &metadata)
{
MdParser::RegisterMap registers;
DeviceStatus deviceStatus;
- if (metadata.Get("device.status", deviceStatus)) {
+ if (metadata.get("device.status", deviceStatus)) {
LOG(IPARPI, Error) << "DeviceStatus not found from DelayedControls";
return;
}
@@ -105,28 +108,32 @@ void CamHelperImx519::Prepare(libcamera::Span<const uint8_t> buffer, Metadata &m
* Otherwise, all values are updated with what is reported in the
* embedded data.
*/
- if (deviceStatus.frame_length > frameLengthMax) {
+ if (deviceStatus.frameLength > frameLengthMax) {
DeviceStatus parsedDeviceStatus;
- metadata.Get("device.status", parsedDeviceStatus);
- parsedDeviceStatus.shutter_speed = deviceStatus.shutter_speed;
- parsedDeviceStatus.frame_length = deviceStatus.frame_length;
- metadata.Set("device.status", parsedDeviceStatus);
+ metadata.get("device.status", parsedDeviceStatus);
+ parsedDeviceStatus.shutterSpeed = deviceStatus.shutterSpeed;
+ parsedDeviceStatus.frameLength = deviceStatus.frameLength;
+ metadata.set("device.status", parsedDeviceStatus);
LOG(IPARPI, Debug) << "Metadata updated for long exposure: "
<< parsedDeviceStatus;
}
}
-uint32_t CamHelperImx519::GetVBlanking(Duration &exposure,
- Duration minFrameDuration,
- Duration maxFrameDuration) const
+std::pair<uint32_t, uint32_t> CamHelperImx519::getBlanking(Duration &exposure,
+ Duration minFrameDuration,
+ Duration maxFrameDuration) const
{
uint32_t frameLength, exposureLines;
unsigned int shift = 0;
- frameLength = mode_.height + CamHelper::GetVBlanking(exposure, minFrameDuration,
- maxFrameDuration);
+ auto [vblank, hblank] = CamHelper::getBlanking(exposure, minFrameDuration,
+ maxFrameDuration);
+
+ frameLength = mode_.height + vblank;
+ Duration lineLength = hblankToLineLength(hblank);
+
/*
* Check if the frame length calculated needs to be setup for long
* exposure mode. This will require us to use a long exposure scale
@@ -144,42 +151,46 @@ uint32_t CamHelperImx519::GetVBlanking(Duration &exposure,
if (shift) {
/* Account for any rounding in the scaled frame length value. */
frameLength <<= shift;
- exposureLines = ExposureLines(exposure);
+ exposureLines = CamHelperImx519::exposureLines(exposure, lineLength);
exposureLines = std::min(exposureLines, frameLength - frameIntegrationDiff);
- exposure = Exposure(exposureLines);
+ exposure = CamHelperImx519::exposure(exposureLines, lineLength);
}
- return frameLength - mode_.height;
+ return { frameLength - mode_.height, hblank };
}
-void CamHelperImx519::GetDelays(int &exposure_delay, int &gain_delay,
- int &vblank_delay) const
+void CamHelperImx519::getDelays(int &exposureDelay, int &gainDelay,
+ int &vblankDelay, int &hblankDelay) const
{
- exposure_delay = 2;
- gain_delay = 2;
- vblank_delay = 3;
+ exposureDelay = 2;
+ gainDelay = 2;
+ vblankDelay = 3;
+ hblankDelay = 3;
}
-bool CamHelperImx519::SensorEmbeddedDataPresent() const
+bool CamHelperImx519::sensorEmbeddedDataPresent() const
{
return true;
}
-void CamHelperImx519::PopulateMetadata(const MdParser::RegisterMap &registers,
+void CamHelperImx519::populateMetadata(const MdParser::RegisterMap &registers,
Metadata &metadata) const
{
DeviceStatus deviceStatus;
- deviceStatus.shutter_speed = Exposure(registers.at(expHiReg) * 256 + registers.at(expLoReg));
- deviceStatus.analogue_gain = Gain(registers.at(gainHiReg) * 256 + registers.at(gainLoReg));
- deviceStatus.frame_length = registers.at(frameLengthHiReg) * 256 + registers.at(frameLengthLoReg);
+ deviceStatus.lineLength = lineLengthPckToDuration(registers.at(lineLengthHiReg) * 256 +
+ registers.at(lineLengthLoReg));
+ deviceStatus.shutterSpeed = exposure(registers.at(expHiReg) * 256 + registers.at(expLoReg),
+ deviceStatus.lineLength);
+ deviceStatus.analogueGain = gain(registers.at(gainHiReg) * 256 + registers.at(gainLoReg));
+ deviceStatus.frameLength = registers.at(frameLengthHiReg) * 256 + registers.at(frameLengthLoReg);
- metadata.Set("device.status", deviceStatus);
+ metadata.set("device.status", deviceStatus);
}
-static CamHelper *Create()
+static CamHelper *create()
{
return new CamHelperImx519();
}
-static RegisterCamHelper reg("imx519", &Create);
+static RegisterCamHelper reg("imx519", &create);
diff --git a/src/ipa/rpi/cam_helper/cam_helper_imx708.cpp b/src/ipa/rpi/cam_helper/cam_helper_imx708.cpp
new file mode 100644
index 00000000..63ddb55e
--- /dev/null
+++ b/src/ipa/rpi/cam_helper/cam_helper_imx708.cpp
@@ -0,0 +1,382 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2022, Raspberry Pi Ltd
+ *
+ * camera helper for imx708 sensor
+ */
+
+#include <cmath>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <libcamera/base/log.h>
+
+#include "controller/pdaf_data.h"
+
+#include "cam_helper.h"
+#include "md_parser.h"
+
+using namespace RPiController;
+using namespace libcamera;
+using libcamera::utils::Duration;
+
+using namespace std::literals::chrono_literals;
+
+namespace libcamera {
+LOG_DECLARE_CATEGORY(IPARPI)
+}
+
+/*
+ * We care about two gain registers and a pair of exposure registers. Their
+ * I2C addresses from the Sony imx708 datasheet:
+ */
+constexpr uint32_t expHiReg = 0x0202;
+constexpr uint32_t expLoReg = 0x0203;
+constexpr uint32_t gainHiReg = 0x0204;
+constexpr uint32_t gainLoReg = 0x0205;
+constexpr uint32_t frameLengthHiReg = 0x0340;
+constexpr uint32_t frameLengthLoReg = 0x0341;
+constexpr uint32_t lineLengthHiReg = 0x0342;
+constexpr uint32_t lineLengthLoReg = 0x0343;
+constexpr uint32_t temperatureReg = 0x013a;
+constexpr std::initializer_list<uint32_t> registerList =
+ { expHiReg, expLoReg, gainHiReg, gainLoReg, lineLengthHiReg,
+ lineLengthLoReg, frameLengthHiReg, frameLengthLoReg, temperatureReg };
+
+class CamHelperImx708 : public CamHelper
+{
+public:
+ CamHelperImx708();
+ uint32_t gainCode(double gain) const override;
+ double gain(uint32_t gain_code) const override;
+ void prepare(libcamera::Span<const uint8_t> buffer, Metadata &metadata) override;
+ void process(StatisticsPtr &stats, Metadata &metadata) override;
+ std::pair<uint32_t, uint32_t> getBlanking(Duration &exposure, Duration minFrameDuration,
+ Duration maxFrameDuration) const override;
+ void getDelays(int &exposureDelay, int &gainDelay,
+ int &vblankDelay, int &hblankDelay) const override;
+ bool sensorEmbeddedDataPresent() const override;
+ double getModeSensitivity(const CameraMode &mode) const override;
+ unsigned int hideFramesModeSwitch() const override;
+ unsigned int hideFramesStartup() const override;
+
+private:
+ /*
+ * Smallest difference between the frame length and integration time,
+ * in units of lines.
+ */
+ static constexpr int frameIntegrationDiff = 22;
+ /* Maximum frame length allowable for long exposure calculations. */
+ static constexpr int frameLengthMax = 0xffdc;
+ /* Largest long exposure scale factor given as a left shift on the frame length. */
+ static constexpr int longExposureShiftMax = 7;
+
+ static constexpr int pdafStatsRows = 12;
+ static constexpr int pdafStatsCols = 16;
+
+ void populateMetadata(const MdParser::RegisterMap &registers,
+ Metadata &metadata) const override;
+
+ static bool parsePdafData(const uint8_t *ptr, size_t len, unsigned bpp,
+ PdafRegions &pdaf);
+
+ bool parseAEHist(const uint8_t *ptr, size_t len, unsigned bpp);
+ void putAGCStatistics(StatisticsPtr stats);
+
+ Histogram aeHistLinear_;
+ uint32_t aeHistAverage_;
+ bool aeHistValid_;
+};
+
+CamHelperImx708::CamHelperImx708()
+ : CamHelper(std::make_unique<MdParserSmia>(registerList), frameIntegrationDiff),
+ aeHistLinear_{}, aeHistAverage_(0), aeHistValid_(false)
+{
+}
+
+uint32_t CamHelperImx708::gainCode(double gain) const
+{
+ return static_cast<uint32_t>(1024 - 1024 / gain);
+}
+
+double CamHelperImx708::gain(uint32_t gain_code) const
+{
+ return 1024.0 / (1024 - gain_code);
+}
+
+void CamHelperImx708::prepare(libcamera::Span<const uint8_t> buffer, Metadata &metadata)
+{
+ MdParser::RegisterMap registers;
+ DeviceStatus deviceStatus;
+
+ LOG(IPARPI, Debug) << "Embedded buffer size: " << buffer.size();
+
+ if (metadata.get("device.status", deviceStatus)) {
+ LOG(IPARPI, Error) << "DeviceStatus not found from DelayedControls";
+ return;
+ }
+
+ parseEmbeddedData(buffer, metadata);
+
+ /*
+ * Parse PDAF data, which we expect to occupy the third scanline
+ * of embedded data. As PDAF is quite sensor-specific, it's parsed here.
+ */
+ size_t bytesPerLine = (mode_.width * mode_.bitdepth) >> 3;
+
+ if (buffer.size() > 2 * bytesPerLine) {
+ PdafRegions pdaf;
+ if (parsePdafData(&buffer[2 * bytesPerLine],
+ buffer.size() - 2 * bytesPerLine,
+ mode_.bitdepth, pdaf))
+ metadata.set("pdaf.regions", pdaf);
+ }
+
+ /* Parse AE-HIST data where present */
+ if (buffer.size() > 3 * bytesPerLine) {
+ aeHistValid_ = parseAEHist(&buffer[3 * bytesPerLine],
+ buffer.size() - 3 * bytesPerLine,
+ mode_.bitdepth);
+ }
+
+ /*
+ * The DeviceStatus struct is first populated with values obtained from
+ * DelayedControls. If this reports frame length is > frameLengthMax,
+ * it means we are using a long exposure mode. Since the long exposure
+ * scale factor is not returned back through embedded data, we must rely
+ * on the existing exposure lines and frame length values returned by
+ * DelayedControls.
+ *
+ * Otherwise, all values are updated with what is reported in the
+ * embedded data.
+ */
+ if (deviceStatus.frameLength > frameLengthMax) {
+ DeviceStatus parsedDeviceStatus;
+
+ metadata.get("device.status", parsedDeviceStatus);
+ parsedDeviceStatus.shutterSpeed = deviceStatus.shutterSpeed;
+ parsedDeviceStatus.frameLength = deviceStatus.frameLength;
+ metadata.set("device.status", parsedDeviceStatus);
+
+ LOG(IPARPI, Debug) << "Metadata updated for long exposure: "
+ << parsedDeviceStatus;
+ }
+}
+
+void CamHelperImx708::process(StatisticsPtr &stats, [[maybe_unused]] Metadata &metadata)
+{
+ if (aeHistValid_)
+ putAGCStatistics(stats);
+}
+
+std::pair<uint32_t, uint32_t> CamHelperImx708::getBlanking(Duration &exposure,
+ Duration minFrameDuration,
+ Duration maxFrameDuration) const
+{
+ uint32_t frameLength, exposureLines;
+ unsigned int shift = 0;
+
+ auto [vblank, hblank] = CamHelper::getBlanking(exposure, minFrameDuration,
+ maxFrameDuration);
+
+ frameLength = mode_.height + vblank;
+ Duration lineLength = hblankToLineLength(hblank);
+
+ /*
+ * Check if the frame length calculated needs to be setup for long
+ * exposure mode. This will require us to use a long exposure scale
+ * factor provided by a shift operation in the sensor.
+ */
+ while (frameLength > frameLengthMax) {
+ if (++shift > longExposureShiftMax) {
+ shift = longExposureShiftMax;
+ frameLength = frameLengthMax;
+ break;
+ }
+ frameLength >>= 1;
+ }
+
+ if (shift) {
+ /* Account for any rounding in the scaled frame length value. */
+ frameLength <<= shift;
+ exposureLines = CamHelper::exposureLines(exposure, lineLength);
+ exposureLines = std::min(exposureLines, frameLength - frameIntegrationDiff);
+ exposure = CamHelper::exposure(exposureLines, lineLength);
+ }
+
+ return { frameLength - mode_.height, hblank };
+}
+
+void CamHelperImx708::getDelays(int &exposureDelay, int &gainDelay,
+ int &vblankDelay, int &hblankDelay) const
+{
+ exposureDelay = 2;
+ gainDelay = 2;
+ vblankDelay = 3;
+ hblankDelay = 3;
+}
+
+bool CamHelperImx708::sensorEmbeddedDataPresent() const
+{
+ return true;
+}
+
+double CamHelperImx708::getModeSensitivity(const CameraMode &mode) const
+{
+ /* In binned modes, sensitivity increases by a factor of 2 */
+ return (mode.width > 2304) ? 1.0 : 2.0;
+}
+
+unsigned int CamHelperImx708::hideFramesModeSwitch() const
+{
+ /*
+ * We need to drop the first startup frame in HDR mode.
+ * Unfortunately the only way to currently determine if the sensor is in
+ * the HDR mode is to match with the resolution and framerate - the HDR
+ * mode only runs upto 30fps.
+ */
+ if (mode_.width == 2304 && mode_.height == 1296 &&
+ mode_.minFrameDuration > 1.0s / 32)
+ return 1;
+ else
+ return 0;
+}
+
+unsigned int CamHelperImx708::hideFramesStartup() const
+{
+ return hideFramesModeSwitch();
+}
+
+void CamHelperImx708::populateMetadata(const MdParser::RegisterMap &registers,
+ Metadata &metadata) const
+{
+ DeviceStatus deviceStatus;
+
+ deviceStatus.lineLength = lineLengthPckToDuration(registers.at(lineLengthHiReg) * 256 +
+ registers.at(lineLengthLoReg));
+ deviceStatus.shutterSpeed = exposure(registers.at(expHiReg) * 256 + registers.at(expLoReg),
+ deviceStatus.lineLength);
+ deviceStatus.analogueGain = gain(registers.at(gainHiReg) * 256 + registers.at(gainLoReg));
+ deviceStatus.frameLength = registers.at(frameLengthHiReg) * 256 + registers.at(frameLengthLoReg);
+ deviceStatus.sensorTemperature = std::clamp<int8_t>(registers.at(temperatureReg), -20, 80);
+
+ metadata.set("device.status", deviceStatus);
+}
+
+bool CamHelperImx708::parsePdafData(const uint8_t *ptr, size_t len,
+ unsigned bpp, PdafRegions &pdaf)
+{
+ size_t step = bpp >> 1; /* bytes per PDAF grid entry */
+
+ if (bpp < 10 || bpp > 14 || len < 194 * step || ptr[0] != 0 || ptr[1] >= 0x40) {
+ LOG(IPARPI, Error) << "PDAF data in unsupported format";
+ return false;
+ }
+
+ pdaf.init({ pdafStatsCols, pdafStatsRows });
+
+ ptr += 2 * step;
+ for (unsigned i = 0; i < pdafStatsRows; ++i) {
+ for (unsigned j = 0; j < pdafStatsCols; ++j) {
+ unsigned c = (ptr[0] << 3) | (ptr[1] >> 5);
+ int p = (((ptr[1] & 0x0F) - (ptr[1] & 0x10)) << 6) | (ptr[2] >> 2);
+ PdafData pdafData;
+ pdafData.conf = c;
+ pdafData.phase = c ? p : 0;
+ pdaf.set(libcamera::Point(j, i), { pdafData, 1, 0 });
+ ptr += step;
+ }
+ }
+
+ return true;
+}
+
+bool CamHelperImx708::parseAEHist(const uint8_t *ptr, size_t len, unsigned bpp)
+{
+ static constexpr unsigned int PipelineBits = Statistics::NormalisationFactorPow2;
+
+ uint64_t count = 0, sum = 0;
+ size_t step = bpp >> 1; /* bytes per histogram bin */
+ uint32_t hist[128];
+
+ if (len < 144 * step)
+ return false;
+
+ /*
+ * Read the 128 bin linear histogram, which by default covers
+ * the full range of the HDR shortest exposure (small values are
+ * expected to dominate, so pixel-value resolution will be poor).
+ */
+ for (unsigned i = 0; i < 128; ++i) {
+ if (ptr[3] != 0x55)
+ return false;
+ uint32_t c = (ptr[0] << 14) + (ptr[1] << 6) + (ptr[2] >> 2);
+ hist[i] = c >> 2; /* pixels to quads */
+ if (i != 0) {
+ count += c;
+ sum += c *
+ (i * (1u << (PipelineBits - 7)) +
+ (1u << (PipelineBits - 8)));
+ }
+ ptr += step;
+ }
+
+ /*
+ * Now use the first 9 bins of the log histogram (these should be
+ * subdivisions of the smallest linear bin), to get a more accurate
+ * average value. Don't assume that AEHIST1_AVERAGE is present.
+ */
+ for (unsigned i = 0; i < 9; ++i) {
+ if (ptr[3] != 0x55)
+ return false;
+ uint32_t c = (ptr[0] << 14) + (ptr[1] << 6) + (ptr[2] >> 2);
+ count += c;
+ sum += c *
+ ((3u << PipelineBits) >> (17 - i));
+ ptr += step;
+ }
+ if ((unsigned)((ptr[0] << 12) + (ptr[1] << 4) + (ptr[2] >> 4)) !=
+ hist[1]) {
+ LOG(IPARPI, Error) << "Lin/Log histogram mismatch";
+ return false;
+ }
+
+ aeHistLinear_ = Histogram(hist, 128);
+ aeHistAverage_ = count ? (sum / count) : 0;
+
+ return count != 0;
+}
+
+void CamHelperImx708::putAGCStatistics(StatisticsPtr stats)
+{
+ /*
+ * For HDR mode, copy sensor's AE/AGC statistics over ISP's, so the
+ * AGC algorithm sees a linear response to exposure and gain changes.
+ *
+ * Histogram: Just copy the "raw" histogram over the tone-mapped one,
+ * although they have different distributions (raw values are lower).
+ * Tuning should either ignore it, or constrain for highlights only.
+ *
+ * Average: Overwrite all regional averages with a global raw average,
+ * scaled by a fiddle-factor so that a conventional (non-HDR) y_target
+ * of e.g. 0.17 will map to a suitable level for HDR.
+ */
+ stats->yHist = aeHistLinear_;
+
+ constexpr unsigned int HdrHeadroomFactor = 4;
+ uint64_t v = HdrHeadroomFactor * aeHistAverage_;
+ for (auto &region : stats->agcRegions) {
+ region.val.rSum = region.val.gSum = region.val.bSum = region.counted * v;
+ }
+}
+
+static CamHelper *create()
+{
+ return new CamHelperImx708();
+}
+
+static RegisterCamHelper reg("imx708", &create);
+static RegisterCamHelper regWide("imx708_wide", &create);
+static RegisterCamHelper regNoIr("imx708_noir", &create);
+static RegisterCamHelper regWideNoIr("imx708_wide_noir", &create);
diff --git a/src/ipa/raspberrypi/cam_helper_ov5647.cpp b/src/ipa/rpi/cam_helper/cam_helper_ov5647.cpp
index 702c2d07..c30b017c 100644
--- a/src/ipa/raspberrypi/cam_helper_ov5647.cpp
+++ b/src/ipa/rpi/cam_helper/cam_helper_ov5647.cpp
@@ -1,13 +1,13 @@
/* SPDX-License-Identifier: BSD-2-Clause */
/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
+ * Copyright (C) 2019, Raspberry Pi Ltd
*
- * cam_helper_ov5647.cpp - camera information for ov5647 sensor
+ * camera information for ov5647 sensor
*/
#include <assert.h>
-#include "cam_helper.hpp"
+#include "cam_helper.h"
using namespace RPiController;
@@ -15,14 +15,14 @@ class CamHelperOv5647 : public CamHelper
{
public:
CamHelperOv5647();
- uint32_t GainCode(double gain) const override;
- double Gain(uint32_t gain_code) const override;
- void GetDelays(int &exposure_delay, int &gain_delay,
- int &vblank_delay) const override;
- unsigned int HideFramesStartup() const override;
- unsigned int HideFramesModeSwitch() const override;
- unsigned int MistrustFramesStartup() const override;
- unsigned int MistrustFramesModeSwitch() const override;
+ uint32_t gainCode(double gain) const override;
+ double gain(uint32_t gainCode) const override;
+ void getDelays(int &exposureDelay, int &gainDelay,
+ int &vblankDelay, int &hblankDelay) const override;
+ unsigned int hideFramesStartup() const override;
+ unsigned int hideFramesModeSwitch() const override;
+ unsigned int mistrustFramesStartup() const override;
+ unsigned int mistrustFramesModeSwitch() const override;
private:
/*
@@ -42,29 +42,30 @@ CamHelperOv5647::CamHelperOv5647()
{
}
-uint32_t CamHelperOv5647::GainCode(double gain) const
+uint32_t CamHelperOv5647::gainCode(double gain) const
{
return static_cast<uint32_t>(gain * 16.0);
}
-double CamHelperOv5647::Gain(uint32_t gain_code) const
+double CamHelperOv5647::gain(uint32_t gainCode) const
{
- return static_cast<double>(gain_code) / 16.0;
+ return static_cast<double>(gainCode) / 16.0;
}
-void CamHelperOv5647::GetDelays(int &exposure_delay, int &gain_delay,
- int &vblank_delay) const
+void CamHelperOv5647::getDelays(int &exposureDelay, int &gainDelay,
+ int &vblankDelay, int &hblankDelay) const
{
/*
* We run this sensor in a mode where the gain delay is bumped up to
* 2. It seems to be the only way to make the delays "predictable".
*/
- exposure_delay = 2;
- gain_delay = 2;
- vblank_delay = 2;
+ exposureDelay = 2;
+ gainDelay = 2;
+ vblankDelay = 2;
+ hblankDelay = 2;
}
-unsigned int CamHelperOv5647::HideFramesStartup() const
+unsigned int CamHelperOv5647::hideFramesStartup() const
{
/*
* On startup, we get a couple of under-exposed frames which
@@ -73,7 +74,7 @@ unsigned int CamHelperOv5647::HideFramesStartup() const
return 2;
}
-unsigned int CamHelperOv5647::HideFramesModeSwitch() const
+unsigned int CamHelperOv5647::hideFramesModeSwitch() const
{
/*
* After a mode switch, we get a couple of under-exposed frames which
@@ -82,7 +83,7 @@ unsigned int CamHelperOv5647::HideFramesModeSwitch() const
return 2;
}
-unsigned int CamHelperOv5647::MistrustFramesStartup() const
+unsigned int CamHelperOv5647::mistrustFramesStartup() const
{
/*
* First couple of frames are under-exposed and are no good for control
@@ -91,7 +92,7 @@ unsigned int CamHelperOv5647::MistrustFramesStartup() const
return 2;
}
-unsigned int CamHelperOv5647::MistrustFramesModeSwitch() const
+unsigned int CamHelperOv5647::mistrustFramesModeSwitch() const
{
/*
* First couple of frames are under-exposed even after a simple
@@ -100,9 +101,9 @@ unsigned int CamHelperOv5647::MistrustFramesModeSwitch() const
return 2;
}
-static CamHelper *Create()
+static CamHelper *create()
{
return new CamHelperOv5647();
}
-static RegisterCamHelper reg("ov5647", &Create);
+static RegisterCamHelper reg("ov5647", &create);
diff --git a/src/ipa/rpi/cam_helper/cam_helper_ov64a40.cpp b/src/ipa/rpi/cam_helper/cam_helper_ov64a40.cpp
new file mode 100644
index 00000000..a8efd389
--- /dev/null
+++ b/src/ipa/rpi/cam_helper/cam_helper_ov64a40.cpp
@@ -0,0 +1,74 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2021, Raspberry Pi Ltd
+ * Copyright (C) 2023, Ideas on Board Oy.
+ *
+ * camera information for ov64a40 sensor
+ */
+
+#include <assert.h>
+
+#include "cam_helper.h"
+
+using namespace RPiController;
+
+class CamHelperOv64a40 : public CamHelper
+{
+public:
+ CamHelperOv64a40();
+ uint32_t gainCode(double gain) const override;
+ double gain(uint32_t gainCode) const override;
+ void getDelays(int &exposureDelay, int &gainDelay,
+ int &vblankDelay, int &hblankDelay) const override;
+ double getModeSensitivity(const CameraMode &mode) const override;
+
+private:
+ /*
+ * Smallest difference between the frame length and integration time,
+ * in units of lines.
+ */
+ static constexpr int frameIntegrationDiff = 32;
+};
+
+CamHelperOv64a40::CamHelperOv64a40()
+ : CamHelper({}, frameIntegrationDiff)
+{
+}
+
+uint32_t CamHelperOv64a40::gainCode(double gain) const
+{
+ return static_cast<uint32_t>(gain * 128.0);
+}
+
+double CamHelperOv64a40::gain(uint32_t gainCode) const
+{
+ return static_cast<double>(gainCode) / 128.0;
+}
+
+void CamHelperOv64a40::getDelays(int &exposureDelay, int &gainDelay,
+ int &vblankDelay, int &hblankDelay) const
+{
+ /* The driver appears to behave as follows: */
+ exposureDelay = 2;
+ gainDelay = 2;
+ vblankDelay = 2;
+ hblankDelay = 2;
+}
+
+double CamHelperOv64a40::getModeSensitivity(const CameraMode &mode) const
+{
+ if (mode.binX >= 2 && mode.scaleX >= 4) {
+ return 4.0;
+ } else if (mode.binX >= 2 && mode.scaleX >= 2) {
+ return 2.0;
+ } else {
+ return 1.0;
+ }
+}
+
+static CamHelper *create()
+{
+ return new CamHelperOv64a40();
+}
+
+static RegisterCamHelper reg("ov64a40", &create);
diff --git a/src/ipa/rpi/cam_helper/cam_helper_ov9281.cpp b/src/ipa/rpi/cam_helper/cam_helper_ov9281.cpp
new file mode 100644
index 00000000..a65c8ac0
--- /dev/null
+++ b/src/ipa/rpi/cam_helper/cam_helper_ov9281.cpp
@@ -0,0 +1,66 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2021, Raspberry Pi Ltd
+ *
+ * camera information for ov9281 sensor
+ */
+
+#include <assert.h>
+
+#include "cam_helper.h"
+
+using namespace RPiController;
+
+class CamHelperOv9281 : public CamHelper
+{
+public:
+ CamHelperOv9281();
+ uint32_t gainCode(double gain) const override;
+ double gain(uint32_t gainCode) const override;
+ void getDelays(int &exposureDelay, int &gainDelay,
+ int &vblankDelay, int &hblankDelay) const override;
+
+private:
+ /*
+ * Smallest difference between the frame length and integration time,
+ * in units of lines.
+ */
+ static constexpr int frameIntegrationDiff = 4;
+};
+
+/*
+ * OV9281 doesn't output metadata, so we have to use the "unicam parser" which
+ * works by counting frames.
+ */
+
+CamHelperOv9281::CamHelperOv9281()
+ : CamHelper({}, frameIntegrationDiff)
+{
+}
+
+uint32_t CamHelperOv9281::gainCode(double gain) const
+{
+ return static_cast<uint32_t>(gain * 16.0);
+}
+
+double CamHelperOv9281::gain(uint32_t gainCode) const
+{
+ return static_cast<double>(gainCode) / 16.0;
+}
+
+void CamHelperOv9281::getDelays(int &exposureDelay, int &gainDelay,
+ int &vblankDelay, int &hblankDelay) const
+{
+ /* The driver appears to behave as follows: */
+ exposureDelay = 2;
+ gainDelay = 2;
+ vblankDelay = 2;
+ hblankDelay = 2;
+}
+
+static CamHelper *create()
+{
+ return new CamHelperOv9281();
+}
+
+static RegisterCamHelper reg("ov9281", &create);
diff --git a/src/ipa/raspberrypi/md_parser.hpp b/src/ipa/rpi/cam_helper/md_parser.h
index d32d0f54..227c376c 100644
--- a/src/ipa/raspberrypi/md_parser.hpp
+++ b/src/ipa/rpi/cam_helper/md_parser.h
@@ -1,8 +1,8 @@
/* SPDX-License-Identifier: BSD-2-Clause */
/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
+ * Copyright (C) 2019, Raspberry Pi Ltd
*
- * md_parser.hpp - image sensor metadata parser interface
+ * image sensor metadata parser interface
*/
#pragma once
@@ -75,40 +75,40 @@ public:
};
MdParser()
- : reset_(true), bits_per_pixel_(0), num_lines_(0), line_length_bytes_(0)
+ : reset_(true), bitsPerPixel_(0), numLines_(0), lineLengthBytes_(0)
{
}
virtual ~MdParser() = default;
- void Reset()
+ void reset()
{
reset_ = true;
}
- void SetBitsPerPixel(int bpp)
+ void setBitsPerPixel(int bpp)
{
- bits_per_pixel_ = bpp;
+ bitsPerPixel_ = bpp;
}
- void SetNumLines(unsigned int num_lines)
+ void setNumLines(unsigned int numLines)
{
- num_lines_ = num_lines;
+ numLines_ = numLines;
}
- void SetLineLengthBytes(unsigned int num_bytes)
+ void setLineLengthBytes(unsigned int numBytes)
{
- line_length_bytes_ = num_bytes;
+ lineLengthBytes_ = numBytes;
}
- virtual Status Parse(libcamera::Span<const uint8_t> buffer,
+ virtual Status parse(libcamera::Span<const uint8_t> buffer,
RegisterMap &registers) = 0;
protected:
bool reset_;
- int bits_per_pixel_;
- unsigned int num_lines_;
- unsigned int line_length_bytes_;
+ int bitsPerPixel_;
+ unsigned int numLines_;
+ unsigned int lineLengthBytes_;
};
/*
@@ -123,7 +123,7 @@ class MdParserSmia final : public MdParser
public:
MdParserSmia(std::initializer_list<uint32_t> registerList);
- MdParser::Status Parse(libcamera::Span<const uint8_t> buffer,
+ MdParser::Status parse(libcamera::Span<const uint8_t> buffer,
RegisterMap &registers) override;
private:
@@ -133,18 +133,18 @@ private:
/*
* Note that error codes > 0 are regarded as non-fatal; codes < 0
* indicate a bad data buffer. Status codes are:
- * PARSE_OK - found all registers, much happiness
- * MISSING_REGS - some registers found; should this be a hard error?
+ * ParseOk - found all registers, much happiness
+ * MissingRegs - some registers found; should this be a hard error?
* The remaining codes are all hard errors.
*/
enum ParseStatus {
- PARSE_OK = 0,
- MISSING_REGS = 1,
- NO_LINE_START = -1,
- ILLEGAL_TAG = -2,
- BAD_DUMMY = -3,
- BAD_LINE_END = -4,
- BAD_PADDING = -5
+ ParseOk = 0,
+ MissingRegs = 1,
+ NoLineStart = -1,
+ IllegalTag = -2,
+ BadDummy = -3,
+ BadLineEnd = -4,
+ BadPadding = -5
};
ParseStatus findRegs(libcamera::Span<const uint8_t> buffer);
@@ -152,4 +152,4 @@ private:
OffsetMap offsets_;
};
-} // namespace RPi
+} /* namespace RPi */
diff --git a/src/ipa/rpi/cam_helper/md_parser_smia.cpp b/src/ipa/rpi/cam_helper/md_parser_smia.cpp
new file mode 100644
index 00000000..c7bdcf94
--- /dev/null
+++ b/src/ipa/rpi/cam_helper/md_parser_smia.cpp
@@ -0,0 +1,152 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019-2021, Raspberry Pi Ltd
+ *
+ * SMIA specification based embedded data parser
+ */
+
+#include <libcamera/base/log.h>
+#include "md_parser.h"
+
+using namespace RPiController;
+using namespace libcamera;
+
+/*
+ * This function goes through the embedded data to find the offsets (not
+ * values!), in the data block, where the values of the given registers can
+ * subsequently be found.
+ *
+ * Embedded data tag bytes, from Sony IMX219 datasheet but general to all SMIA
+ * sensors, I think.
+ */
+
+constexpr unsigned int LineStart = 0x0a;
+constexpr unsigned int LineEndTag = 0x07;
+constexpr unsigned int RegHiBits = 0xaa;
+constexpr unsigned int RegLowBits = 0xa5;
+constexpr unsigned int RegValue = 0x5a;
+constexpr unsigned int RegSkip = 0x55;
+
+MdParserSmia::MdParserSmia(std::initializer_list<uint32_t> registerList)
+{
+ for (auto r : registerList)
+ offsets_[r] = {};
+}
+
+MdParser::Status MdParserSmia::parse(libcamera::Span<const uint8_t> buffer,
+ RegisterMap &registers)
+{
+ if (reset_) {
+ /*
+ * Search again through the metadata for all the registers
+ * requested.
+ */
+ ASSERT(bitsPerPixel_);
+
+ for (const auto &kv : offsets_)
+ offsets_[kv.first] = {};
+
+ ParseStatus ret = findRegs(buffer);
+ /*
+ * > 0 means "worked partially but parse again next time",
+ * < 0 means "hard error".
+ *
+ * In either case, we retry parsing on the next frame.
+ */
+ if (ret != ParseOk)
+ return ERROR;
+
+ reset_ = false;
+ }
+
+ /* Populate the register values requested. */
+ registers.clear();
+ for (const auto &[reg, offset] : offsets_) {
+ if (!offset) {
+ reset_ = true;
+ return NOTFOUND;
+ }
+ registers[reg] = buffer[offset.value()];
+ }
+
+ return OK;
+}
+
+MdParserSmia::ParseStatus MdParserSmia::findRegs(libcamera::Span<const uint8_t> buffer)
+{
+ ASSERT(offsets_.size());
+
+ if (buffer[0] != LineStart)
+ return NoLineStart;
+
+ unsigned int currentOffset = 1; /* after the LineStart */
+ unsigned int currentLineStart = 0, currentLine = 0;
+ unsigned int regNum = 0, regsDone = 0;
+
+ while (1) {
+ int tag = buffer[currentOffset++];
+
+ /* Non-dummy bytes come in even-sized blocks: skip can only ever follow tag */
+ while ((bitsPerPixel_ == 10 &&
+ (currentOffset + 1 - currentLineStart) % 5 == 0) ||
+ (bitsPerPixel_ == 12 &&
+ (currentOffset + 1 - currentLineStart) % 3 == 0) ||
+ (bitsPerPixel_ == 14 &&
+ (currentOffset - currentLineStart) % 7 >= 4)) {
+ if (buffer[currentOffset++] != RegSkip)
+ return BadDummy;
+ }
+
+ int dataByte = buffer[currentOffset++];
+
+ if (tag == LineEndTag) {
+ if (dataByte != LineEndTag)
+ return BadLineEnd;
+
+ if (numLines_ && ++currentLine == numLines_)
+ return MissingRegs;
+
+ if (lineLengthBytes_) {
+ currentOffset = currentLineStart + lineLengthBytes_;
+
+ /* Require whole line to be in the buffer (if buffer size set). */
+ if (buffer.size() &&
+ currentOffset + lineLengthBytes_ > buffer.size())
+ return MissingRegs;
+
+ if (buffer[currentOffset] != LineStart)
+ return NoLineStart;
+ } else {
+ /* allow a zero line length to mean "hunt for the next line" */
+ while (currentOffset < buffer.size() &&
+ buffer[currentOffset] != LineStart)
+ currentOffset++;
+
+ if (currentOffset == buffer.size())
+ return NoLineStart;
+ }
+
+ /* inc currentOffset to after LineStart */
+ currentLineStart = currentOffset++;
+ } else {
+ if (tag == RegHiBits)
+ regNum = (regNum & 0xff) | (dataByte << 8);
+ else if (tag == RegLowBits)
+ regNum = (regNum & 0xff00) | dataByte;
+ else if (tag == RegSkip)
+ regNum++;
+ else if (tag == RegValue) {
+ auto reg = offsets_.find(regNum);
+
+ if (reg != offsets_.end()) {
+ offsets_[regNum] = currentOffset - 1;
+
+ if (++regsDone == offsets_.size())
+ return ParseOk;
+ }
+ regNum++;
+ } else
+ return IllegalTag;
+ }
+ }
+}
diff --git a/src/ipa/rpi/cam_helper/meson.build b/src/ipa/rpi/cam_helper/meson.build
new file mode 100644
index 00000000..72625057
--- /dev/null
+++ b/src/ipa/rpi/cam_helper/meson.build
@@ -0,0 +1,27 @@
+# SPDX-License-Identifier: CC0-1.0
+
+rpi_ipa_cam_helper_sources = files([
+ 'cam_helper.cpp',
+ 'cam_helper_ov5647.cpp',
+ 'cam_helper_imx219.cpp',
+ 'cam_helper_imx290.cpp',
+ 'cam_helper_imx296.cpp',
+ 'cam_helper_imx477.cpp',
+ 'cam_helper_imx519.cpp',
+ 'cam_helper_imx708.cpp',
+ 'cam_helper_ov64a40.cpp',
+ 'cam_helper_ov9281.cpp',
+ 'md_parser_smia.cpp',
+])
+
+rpi_ipa_cam_helper_includes = [
+ include_directories('..'),
+]
+
+rpi_ipa_cam_helper_deps = [
+ libcamera_private,
+]
+
+rpi_ipa_cam_helper_lib = static_library('rpi_ipa_cam_helper', rpi_ipa_cam_helper_sources,
+ include_directories : rpi_ipa_cam_helper_includes,
+ dependencies : rpi_ipa_cam_helper_deps)
diff --git a/src/ipa/rpi/common/ipa_base.cpp b/src/ipa/rpi/common/ipa_base.cpp
new file mode 100644
index 00000000..61490bd6
--- /dev/null
+++ b/src/ipa/rpi/common/ipa_base.cpp
@@ -0,0 +1,1514 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019-2023, Raspberry Pi Ltd
+ *
+ * Raspberry Pi IPA base class
+ */
+
+#include "ipa_base.h"
+
+#include <cmath>
+
+#include <libcamera/base/log.h>
+#include <libcamera/base/span.h>
+#include <libcamera/control_ids.h>
+#include <libcamera/property_ids.h>
+
+#include "controller/af_algorithm.h"
+#include "controller/af_status.h"
+#include "controller/agc_algorithm.h"
+#include "controller/awb_algorithm.h"
+#include "controller/awb_status.h"
+#include "controller/black_level_status.h"
+#include "controller/ccm_algorithm.h"
+#include "controller/ccm_status.h"
+#include "controller/contrast_algorithm.h"
+#include "controller/denoise_algorithm.h"
+#include "controller/hdr_algorithm.h"
+#include "controller/lux_status.h"
+#include "controller/sharpen_algorithm.h"
+#include "controller/statistics.h"
+
+namespace libcamera {
+
+using namespace std::literals::chrono_literals;
+using utils::Duration;
+
+namespace {
+
+/* Number of frame length times to hold in the queue. */
+constexpr unsigned int FrameLengthsQueueSize = 10;
+
+/* Configure the sensor with these values initially. */
+constexpr double defaultAnalogueGain = 1.0;
+constexpr Duration defaultExposureTime = 20.0ms;
+constexpr Duration defaultMinFrameDuration = 1.0s / 30.0;
+constexpr Duration defaultMaxFrameDuration = 250.0s;
+
+/*
+ * Determine the minimum allowable inter-frame duration to run the controller
+ * algorithms. If the pipeline handler provider frames at a rate higher than this,
+ * we rate-limit the controller Prepare() and Process() calls to lower than or
+ * equal to this rate.
+ */
+constexpr Duration controllerMinFrameDuration = 1.0s / 30.0;
+
+/* List of controls handled by the Raspberry Pi IPA */
+const ControlInfoMap::Map ipaControls{
+ { &controls::AeEnable, ControlInfo(false, true) },
+ { &controls::ExposureTime, ControlInfo(0, 66666) },
+ { &controls::AnalogueGain, ControlInfo(1.0f, 16.0f) },
+ { &controls::AeMeteringMode, ControlInfo(controls::AeMeteringModeValues) },
+ { &controls::AeConstraintMode, ControlInfo(controls::AeConstraintModeValues) },
+ { &controls::AeExposureMode, ControlInfo(controls::AeExposureModeValues) },
+ { &controls::ExposureValue, ControlInfo(-8.0f, 8.0f, 0.0f) },
+ { &controls::AeFlickerMode, ControlInfo(static_cast<int>(controls::FlickerOff),
+ static_cast<int>(controls::FlickerManual),
+ static_cast<int>(controls::FlickerOff)) },
+ { &controls::AeFlickerPeriod, ControlInfo(100, 1000000) },
+ { &controls::Brightness, ControlInfo(-1.0f, 1.0f, 0.0f) },
+ { &controls::Contrast, ControlInfo(0.0f, 32.0f, 1.0f) },
+ { &controls::HdrMode, ControlInfo(controls::HdrModeValues) },
+ { &controls::Sharpness, ControlInfo(0.0f, 16.0f, 1.0f) },
+ { &controls::ScalerCrop, ControlInfo(Rectangle{}, Rectangle(65535, 65535, 65535, 65535), Rectangle{}) },
+ { &controls::FrameDurationLimits, ControlInfo(INT64_C(33333), INT64_C(120000)) },
+ { &controls::draft::NoiseReductionMode, ControlInfo(controls::draft::NoiseReductionModeValues) },
+ { &controls::rpi::StatsOutputEnable, ControlInfo(false, true) },
+};
+
+/* IPA controls handled conditionally, if the sensor is not mono */
+const ControlInfoMap::Map ipaColourControls{
+ { &controls::AwbEnable, ControlInfo(false, true) },
+ { &controls::AwbMode, ControlInfo(controls::AwbModeValues) },
+ { &controls::ColourGains, ControlInfo(0.0f, 32.0f) },
+ { &controls::Saturation, ControlInfo(0.0f, 32.0f, 1.0f) },
+};
+
+/* IPA controls handled conditionally, if the lens has a focus control */
+const ControlInfoMap::Map ipaAfControls{
+ { &controls::AfMode, ControlInfo(controls::AfModeValues) },
+ { &controls::AfRange, ControlInfo(controls::AfRangeValues) },
+ { &controls::AfSpeed, ControlInfo(controls::AfSpeedValues) },
+ { &controls::AfMetering, ControlInfo(controls::AfMeteringValues) },
+ { &controls::AfWindows, ControlInfo(Rectangle{}, Rectangle(65535, 65535, 65535, 65535), Rectangle{}) },
+ { &controls::AfTrigger, ControlInfo(controls::AfTriggerValues) },
+ { &controls::AfPause, ControlInfo(controls::AfPauseValues) },
+ { &controls::LensPosition, ControlInfo(0.0f, 32.0f, 1.0f) }
+};
+
+} /* namespace */
+
+LOG_DEFINE_CATEGORY(IPARPI)
+
+namespace ipa::RPi {
+
+IpaBase::IpaBase()
+ : controller_(), frameLengths_(FrameLengthsQueueSize, 0s), stitchSwapBuffers_(false), frameCount_(0),
+ mistrustCount_(0), lastRunTimestamp_(0), firstStart_(true), flickerState_({ 0, 0s })
+{
+}
+
+IpaBase::~IpaBase()
+{
+}
+
+int32_t IpaBase::init(const IPASettings &settings, const InitParams &params, InitResult *result)
+{
+ /*
+ * Load the "helper" for this sensor. This tells us all the device specific stuff
+ * that the kernel driver doesn't. We only do this the first time; we don't need
+ * to re-parse the metadata after a simple mode-switch for no reason.
+ */
+ helper_ = std::unique_ptr<RPiController::CamHelper>(RPiController::CamHelper::create(settings.sensorModel));
+ if (!helper_) {
+ LOG(IPARPI, Error) << "Could not create camera helper for "
+ << settings.sensorModel;
+ return -EINVAL;
+ }
+
+ /*
+ * Pass out the sensor config to the pipeline handler in order
+ * to setup the staggered writer class.
+ */
+ int gainDelay, exposureDelay, vblankDelay, hblankDelay, sensorMetadata;
+ helper_->getDelays(exposureDelay, gainDelay, vblankDelay, hblankDelay);
+ sensorMetadata = helper_->sensorEmbeddedDataPresent();
+
+ result->sensorConfig.gainDelay = gainDelay;
+ result->sensorConfig.exposureDelay = exposureDelay;
+ result->sensorConfig.vblankDelay = vblankDelay;
+ result->sensorConfig.hblankDelay = hblankDelay;
+ result->sensorConfig.sensorMetadata = sensorMetadata;
+
+ /* Load the tuning file for this sensor. */
+ int ret = controller_.read(settings.configurationFile.c_str());
+ if (ret) {
+ LOG(IPARPI, Error)
+ << "Failed to load tuning data file "
+ << settings.configurationFile;
+ return ret;
+ }
+
+ lensPresent_ = params.lensPresent;
+
+ controller_.initialise();
+
+ /* Return the controls handled by the IPA */
+ ControlInfoMap::Map ctrlMap = ipaControls;
+ if (lensPresent_)
+ ctrlMap.merge(ControlInfoMap::Map(ipaAfControls));
+
+ monoSensor_ = params.sensorInfo.cfaPattern == properties::draft::ColorFilterArrangementEnum::MONO;
+ if (!monoSensor_)
+ ctrlMap.merge(ControlInfoMap::Map(ipaColourControls));
+
+ result->controlInfo = ControlInfoMap(std::move(ctrlMap), controls::controls);
+
+ return platformInit(params, result);
+}
+
+int32_t IpaBase::configure(const IPACameraSensorInfo &sensorInfo, const ConfigParams &params,
+ ConfigResult *result)
+{
+ sensorCtrls_ = params.sensorControls;
+
+ if (!validateSensorControls()) {
+ LOG(IPARPI, Error) << "Sensor control validation failed.";
+ return -1;
+ }
+
+ if (lensPresent_) {
+ lensCtrls_ = params.lensControls;
+ if (!validateLensControls()) {
+ LOG(IPARPI, Warning) << "Lens validation failed, "
+ << "no lens control will be available.";
+ lensPresent_ = false;
+ }
+ }
+
+ /* Setup a metadata ControlList to output metadata. */
+ libcameraMetadata_ = ControlList(controls::controls);
+
+ /* Re-assemble camera mode using the sensor info. */
+ setMode(sensorInfo);
+
+ mode_.transform = static_cast<libcamera::Transform>(params.transform);
+
+ /* Pass the camera mode to the CamHelper to setup algorithms. */
+ helper_->setCameraMode(mode_);
+
+ /*
+ * Initialise this ControlList correctly, even if empty, in case the IPA is
+ * running is isolation mode (passing the ControlList through the IPC layer).
+ */
+ ControlList ctrls(sensorCtrls_);
+
+ /* The pipeline handler passes out the mode's sensitivity. */
+ result->modeSensitivity = mode_.sensitivity;
+
+ if (firstStart_) {
+ /* Supply initial values for frame durations. */
+ applyFrameDurations(defaultMinFrameDuration, defaultMaxFrameDuration);
+
+ /* Supply initial values for gain and exposure. */
+ AgcStatus agcStatus;
+ agcStatus.shutterTime = defaultExposureTime;
+ agcStatus.analogueGain = defaultAnalogueGain;
+ applyAGC(&agcStatus, ctrls);
+
+ /*
+ * Set the lens to the default (typically hyperfocal) position
+ * on first start.
+ */
+ if (lensPresent_) {
+ RPiController::AfAlgorithm *af =
+ dynamic_cast<RPiController::AfAlgorithm *>(controller_.getAlgorithm("af"));
+
+ if (af) {
+ float defaultPos =
+ ipaAfControls.at(&controls::LensPosition).def().get<float>();
+ ControlList lensCtrl(lensCtrls_);
+ int32_t hwpos;
+
+ af->setLensPosition(defaultPos, &hwpos);
+ lensCtrl.set(V4L2_CID_FOCUS_ABSOLUTE, hwpos);
+ result->lensControls = std::move(lensCtrl);
+ }
+ }
+ }
+
+ result->sensorControls = std::move(ctrls);
+
+ /*
+ * Apply the correct limits to the exposure, gain and frame duration controls
+ * based on the current sensor mode.
+ */
+ ControlInfoMap::Map ctrlMap = ipaControls;
+ ctrlMap[&controls::FrameDurationLimits] =
+ ControlInfo(static_cast<int64_t>(mode_.minFrameDuration.get<std::micro>()),
+ static_cast<int64_t>(mode_.maxFrameDuration.get<std::micro>()));
+
+ ctrlMap[&controls::AnalogueGain] =
+ ControlInfo(static_cast<float>(mode_.minAnalogueGain),
+ static_cast<float>(mode_.maxAnalogueGain));
+
+ ctrlMap[&controls::ExposureTime] =
+ ControlInfo(static_cast<int32_t>(mode_.minShutter.get<std::micro>()),
+ static_cast<int32_t>(mode_.maxShutter.get<std::micro>()));
+
+ /* Declare colour processing related controls for non-mono sensors. */
+ if (!monoSensor_)
+ ctrlMap.merge(ControlInfoMap::Map(ipaColourControls));
+
+ /* Declare Autofocus controls, only if we have a controllable lens */
+ if (lensPresent_)
+ ctrlMap.merge(ControlInfoMap::Map(ipaAfControls));
+
+ result->controlInfo = ControlInfoMap(std::move(ctrlMap), controls::controls);
+
+ return platformConfigure(params, result);
+}
+
+void IpaBase::start(const ControlList &controls, StartResult *result)
+{
+ RPiController::Metadata metadata;
+
+ if (!controls.empty()) {
+ /* We have been given some controls to action before start. */
+ applyControls(controls);
+ }
+
+ controller_.switchMode(mode_, &metadata);
+
+ /* Reset the frame lengths queue state. */
+ lastTimeout_ = 0s;
+ frameLengths_.clear();
+ frameLengths_.resize(FrameLengthsQueueSize, 0s);
+
+ /* SwitchMode may supply updated exposure/gain values to use. */
+ AgcStatus agcStatus;
+ agcStatus.shutterTime = 0.0s;
+ agcStatus.analogueGain = 0.0;
+
+ metadata.get("agc.status", agcStatus);
+ if (agcStatus.shutterTime && agcStatus.analogueGain) {
+ ControlList ctrls(sensorCtrls_);
+ applyAGC(&agcStatus, ctrls);
+ result->controls = std::move(ctrls);
+ setCameraTimeoutValue();
+ }
+ /* Make a note of this as it tells us the HDR status of the first few frames. */
+ hdrStatus_ = agcStatus.hdr;
+
+ /*
+ * Initialise frame counts, and decide how many frames must be hidden or
+ * "mistrusted", which depends on whether this is a startup from cold,
+ * or merely a mode switch in a running system.
+ */
+ frameCount_ = 0;
+ if (firstStart_) {
+ dropFrameCount_ = helper_->hideFramesStartup();
+ mistrustCount_ = helper_->mistrustFramesStartup();
+
+ /*
+ * Query the AGC/AWB for how many frames they may take to
+ * converge sufficiently. Where these numbers are non-zero
+ * we must allow for the frames with bad statistics
+ * (mistrustCount_) that they won't see. But if zero (i.e.
+ * no convergence necessary), no frames need to be dropped.
+ */
+ unsigned int agcConvergenceFrames = 0;
+ RPiController::AgcAlgorithm *agc = dynamic_cast<RPiController::AgcAlgorithm *>(
+ controller_.getAlgorithm("agc"));
+ if (agc) {
+ agcConvergenceFrames = agc->getConvergenceFrames();
+ if (agcConvergenceFrames)
+ agcConvergenceFrames += mistrustCount_;
+ }
+
+ unsigned int awbConvergenceFrames = 0;
+ RPiController::AwbAlgorithm *awb = dynamic_cast<RPiController::AwbAlgorithm *>(
+ controller_.getAlgorithm("awb"));
+ if (awb) {
+ awbConvergenceFrames = awb->getConvergenceFrames();
+ if (awbConvergenceFrames)
+ awbConvergenceFrames += mistrustCount_;
+ }
+
+ dropFrameCount_ = std::max({ dropFrameCount_, agcConvergenceFrames, awbConvergenceFrames });
+ LOG(IPARPI, Debug) << "Drop " << dropFrameCount_ << " frames on startup";
+ } else {
+ dropFrameCount_ = helper_->hideFramesModeSwitch();
+ mistrustCount_ = helper_->mistrustFramesModeSwitch();
+ }
+
+ result->dropFrameCount = dropFrameCount_;
+
+ firstStart_ = false;
+ lastRunTimestamp_ = 0;
+
+ platformStart(controls, result);
+}
+
+void IpaBase::mapBuffers(const std::vector<IPABuffer> &buffers)
+{
+ for (const IPABuffer &buffer : buffers) {
+ const FrameBuffer fb(buffer.planes);
+ buffers_.emplace(buffer.id,
+ MappedFrameBuffer(&fb, MappedFrameBuffer::MapFlag::ReadWrite));
+ }
+}
+
+void IpaBase::unmapBuffers(const std::vector<unsigned int> &ids)
+{
+ for (unsigned int id : ids) {
+ auto it = buffers_.find(id);
+ if (it == buffers_.end())
+ continue;
+
+ buffers_.erase(id);
+ }
+}
+
+void IpaBase::prepareIsp(const PrepareParams &params)
+{
+ applyControls(params.requestControls);
+
+ /*
+ * At start-up, or after a mode-switch, we may want to
+ * avoid running the control algos for a few frames in case
+ * they are "unreliable".
+ */
+ int64_t frameTimestamp = params.sensorControls.get(controls::SensorTimestamp).value_or(0);
+ unsigned int ipaContext = params.ipaContext % rpiMetadata_.size();
+ RPiController::Metadata &rpiMetadata = rpiMetadata_[ipaContext];
+ Span<uint8_t> embeddedBuffer;
+
+ rpiMetadata.clear();
+ fillDeviceStatus(params.sensorControls, ipaContext);
+
+ if (params.buffers.embedded) {
+ /*
+ * Pipeline handler has supplied us with an embedded data buffer,
+ * we must pass it to the CamHelper for parsing.
+ */
+ auto it = buffers_.find(params.buffers.embedded);
+ ASSERT(it != buffers_.end());
+ embeddedBuffer = it->second.planes()[0];
+ }
+
+ /*
+ * AGC wants to know the algorithm status from the time it actioned the
+ * sensor exposure/gain changes. So fetch it from the metadata list
+ * indexed by the IPA cookie returned, and put it in the current frame
+ * metadata.
+ *
+ * Note if the HDR mode has changed, as things like tonemaps may need updating.
+ */
+ AgcStatus agcStatus;
+ bool hdrChange = false;
+ RPiController::Metadata &delayedMetadata = rpiMetadata_[params.delayContext];
+ if (!delayedMetadata.get<AgcStatus>("agc.status", agcStatus)) {
+ rpiMetadata.set("agc.delayed_status", agcStatus);
+ hdrChange = agcStatus.hdr.mode != hdrStatus_.mode;
+ hdrStatus_ = agcStatus.hdr;
+ }
+
+ /*
+ * This may overwrite the DeviceStatus using values from the sensor
+ * metadata, and may also do additional custom processing.
+ */
+ helper_->prepare(embeddedBuffer, rpiMetadata);
+
+ /* Allow a 10% margin on the comparison below. */
+ Duration delta = (frameTimestamp - lastRunTimestamp_) * 1.0ns;
+ if (lastRunTimestamp_ && frameCount_ > dropFrameCount_ &&
+ delta < controllerMinFrameDuration * 0.9 && !hdrChange) {
+ /*
+ * Ensure we merge the previous frame's metadata with the current
+ * frame. This will not overwrite exposure/gain values for the
+ * current frame, or any other bits of metadata that were added
+ * in helper_->Prepare().
+ */
+ RPiController::Metadata &lastMetadata =
+ rpiMetadata_[(ipaContext ? ipaContext : rpiMetadata_.size()) - 1];
+ rpiMetadata.mergeCopy(lastMetadata);
+ processPending_ = false;
+ } else {
+ processPending_ = true;
+ lastRunTimestamp_ = frameTimestamp;
+ }
+
+ /*
+ * If the statistics are inline (i.e. already available with the Bayer
+ * frame), call processStats() now before prepare().
+ */
+ if (controller_.getHardwareConfig().statsInline)
+ processStats({ params.buffers, params.ipaContext });
+
+ /* Do we need/want to call prepare? */
+ if (processPending_) {
+ controller_.prepare(&rpiMetadata);
+ /* Actually prepare the ISP parameters for the frame. */
+ platformPrepareIsp(params, rpiMetadata);
+ }
+
+ frameCount_++;
+
+ /* If the statistics are inline the metadata can be returned early. */
+ if (controller_.getHardwareConfig().statsInline)
+ reportMetadata(ipaContext);
+
+ /* Ready to push the input buffer into the ISP. */
+ prepareIspComplete.emit(params.buffers, stitchSwapBuffers_);
+}
+
+void IpaBase::processStats(const ProcessParams &params)
+{
+ unsigned int ipaContext = params.ipaContext % rpiMetadata_.size();
+
+ if (processPending_ && frameCount_ >= mistrustCount_) {
+ RPiController::Metadata &rpiMetadata = rpiMetadata_[ipaContext];
+
+ auto it = buffers_.find(params.buffers.stats);
+ if (it == buffers_.end()) {
+ LOG(IPARPI, Error) << "Could not find stats buffer!";
+ return;
+ }
+
+ RPiController::StatisticsPtr statistics = platformProcessStats(it->second.planes()[0]);
+
+ /* reportMetadata() will pick this up and set the FocusFoM metadata */
+ rpiMetadata.set("focus.status", statistics->focusRegions);
+
+ helper_->process(statistics, rpiMetadata);
+ controller_.process(statistics, &rpiMetadata);
+
+ struct AgcStatus agcStatus;
+ if (rpiMetadata.get("agc.status", agcStatus) == 0) {
+ ControlList ctrls(sensorCtrls_);
+ applyAGC(&agcStatus, ctrls);
+ setDelayedControls.emit(ctrls, ipaContext);
+ setCameraTimeoutValue();
+ }
+ }
+
+ /*
+ * If the statistics are not inline the metadata must be returned now,
+ * before the processStatsComplete signal.
+ */
+ if (!controller_.getHardwareConfig().statsInline)
+ reportMetadata(ipaContext);
+
+ processStatsComplete.emit(params.buffers);
+}
+
+void IpaBase::setMode(const IPACameraSensorInfo &sensorInfo)
+{
+ mode_.bitdepth = sensorInfo.bitsPerPixel;
+ mode_.width = sensorInfo.outputSize.width;
+ mode_.height = sensorInfo.outputSize.height;
+ mode_.sensorWidth = sensorInfo.activeAreaSize.width;
+ mode_.sensorHeight = sensorInfo.activeAreaSize.height;
+ mode_.cropX = sensorInfo.analogCrop.x;
+ mode_.cropY = sensorInfo.analogCrop.y;
+ mode_.pixelRate = sensorInfo.pixelRate;
+
+ /*
+ * Calculate scaling parameters. The scale_[xy] factors are determined
+ * by the ratio between the crop rectangle size and the output size.
+ */
+ mode_.scaleX = sensorInfo.analogCrop.width / sensorInfo.outputSize.width;
+ mode_.scaleY = sensorInfo.analogCrop.height / sensorInfo.outputSize.height;
+
+ /*
+ * We're not told by the pipeline handler how scaling is split between
+ * binning and digital scaling. For now, as a heuristic, assume that
+ * downscaling up to 2 is achieved through binning, and that any
+ * additional scaling is achieved through digital scaling.
+ *
+ * \todo Get the pipeline handle to provide the full data
+ */
+ mode_.binX = std::min(2, static_cast<int>(mode_.scaleX));
+ mode_.binY = std::min(2, static_cast<int>(mode_.scaleY));
+
+ /* The noise factor is the square root of the total binning factor. */
+ mode_.noiseFactor = std::sqrt(mode_.binX * mode_.binY);
+
+ /*
+ * Calculate the line length as the ratio between the line length in
+ * pixels and the pixel rate.
+ */
+ mode_.minLineLength = sensorInfo.minLineLength * (1.0s / sensorInfo.pixelRate);
+ mode_.maxLineLength = sensorInfo.maxLineLength * (1.0s / sensorInfo.pixelRate);
+
+ /*
+ * Ensure that the maximum pixel processing rate does not exceed the ISP
+ * hardware capabilities. If it does, try adjusting the minimum line
+ * length to compensate if possible.
+ */
+ Duration minPixelTime = controller_.getHardwareConfig().minPixelProcessingTime;
+ Duration pixelTime = mode_.minLineLength / mode_.width;
+ if (minPixelTime && pixelTime < minPixelTime) {
+ Duration adjustedLineLength = minPixelTime * mode_.width;
+ if (adjustedLineLength <= mode_.maxLineLength) {
+ LOG(IPARPI, Info)
+ << "Adjusting mode minimum line length from " << mode_.minLineLength
+ << " to " << adjustedLineLength << " because of ISP constraints.";
+ mode_.minLineLength = adjustedLineLength;
+ } else {
+ LOG(IPARPI, Error)
+ << "Sensor minimum line length of " << pixelTime * mode_.width
+ << " (" << 1us / pixelTime << " MPix/s)"
+ << " is below the minimum allowable ISP limit of "
+ << adjustedLineLength
+ << " (" << 1us / minPixelTime << " MPix/s) ";
+ LOG(IPARPI, Error)
+ << "THIS WILL CAUSE IMAGE CORRUPTION!!! "
+ << "Please update the camera sensor driver to allow more horizontal blanking control.";
+ }
+ }
+
+ /*
+ * Set the frame length limits for the mode to ensure exposure and
+ * framerate calculations are clipped appropriately.
+ */
+ mode_.minFrameLength = sensorInfo.minFrameLength;
+ mode_.maxFrameLength = sensorInfo.maxFrameLength;
+
+ /* Store these for convenience. */
+ mode_.minFrameDuration = mode_.minFrameLength * mode_.minLineLength;
+ mode_.maxFrameDuration = mode_.maxFrameLength * mode_.maxLineLength;
+
+ /*
+ * Some sensors may have different sensitivities in different modes;
+ * the CamHelper will know the correct value.
+ */
+ mode_.sensitivity = helper_->getModeSensitivity(mode_);
+
+ const ControlInfo &gainCtrl = sensorCtrls_.at(V4L2_CID_ANALOGUE_GAIN);
+ const ControlInfo &shutterCtrl = sensorCtrls_.at(V4L2_CID_EXPOSURE);
+
+ mode_.minAnalogueGain = helper_->gain(gainCtrl.min().get<int32_t>());
+ mode_.maxAnalogueGain = helper_->gain(gainCtrl.max().get<int32_t>());
+
+ /*
+ * We need to give the helper the min/max frame durations so it can calculate
+ * the correct exposure limits below.
+ */
+ helper_->setCameraMode(mode_);
+
+ /* Shutter speed is calculated based on the limits of the frame durations. */
+ mode_.minShutter = helper_->exposure(shutterCtrl.min().get<int32_t>(), mode_.minLineLength);
+ mode_.maxShutter = Duration::max();
+ helper_->getBlanking(mode_.maxShutter,
+ mode_.minFrameDuration, mode_.maxFrameDuration);
+}
+
+void IpaBase::setCameraTimeoutValue()
+{
+ /*
+ * Take the maximum value of the exposure queue as the camera timeout
+ * value to pass back to the pipeline handler. Only signal if it has changed
+ * from the last set value.
+ */
+ auto max = std::max_element(frameLengths_.begin(), frameLengths_.end());
+
+ if (*max != lastTimeout_) {
+ setCameraTimeout.emit(max->get<std::milli>());
+ lastTimeout_ = *max;
+ }
+}
+
+bool IpaBase::validateSensorControls()
+{
+ static const uint32_t ctrls[] = {
+ V4L2_CID_ANALOGUE_GAIN,
+ V4L2_CID_EXPOSURE,
+ V4L2_CID_VBLANK,
+ V4L2_CID_HBLANK,
+ };
+
+ for (auto c : ctrls) {
+ if (sensorCtrls_.find(c) == sensorCtrls_.end()) {
+ LOG(IPARPI, Error) << "Unable to find sensor control "
+ << utils::hex(c);
+ return false;
+ }
+ }
+
+ return true;
+}
+
+bool IpaBase::validateLensControls()
+{
+ if (lensCtrls_.find(V4L2_CID_FOCUS_ABSOLUTE) == lensCtrls_.end()) {
+ LOG(IPARPI, Error) << "Unable to find Lens control V4L2_CID_FOCUS_ABSOLUTE";
+ return false;
+ }
+
+ return true;
+}
+
+/*
+ * Converting between enums (used in the libcamera API) and the names that
+ * we use to identify different modes. Unfortunately, the conversion tables
+ * must be kept up-to-date by hand.
+ */
+static const std::map<int32_t, std::string> MeteringModeTable = {
+ { controls::MeteringCentreWeighted, "centre-weighted" },
+ { controls::MeteringSpot, "spot" },
+ { controls::MeteringMatrix, "matrix" },
+ { controls::MeteringCustom, "custom" },
+};
+
+static const std::map<int32_t, std::string> ConstraintModeTable = {
+ { controls::ConstraintNormal, "normal" },
+ { controls::ConstraintHighlight, "highlight" },
+ { controls::ConstraintShadows, "shadows" },
+ { controls::ConstraintCustom, "custom" },
+};
+
+static const std::map<int32_t, std::string> ExposureModeTable = {
+ { controls::ExposureNormal, "normal" },
+ { controls::ExposureShort, "short" },
+ { controls::ExposureLong, "long" },
+ { controls::ExposureCustom, "custom" },
+};
+
+static const std::map<int32_t, std::string> AwbModeTable = {
+ { controls::AwbAuto, "auto" },
+ { controls::AwbIncandescent, "incandescent" },
+ { controls::AwbTungsten, "tungsten" },
+ { controls::AwbFluorescent, "fluorescent" },
+ { controls::AwbIndoor, "indoor" },
+ { controls::AwbDaylight, "daylight" },
+ { controls::AwbCloudy, "cloudy" },
+ { controls::AwbCustom, "custom" },
+};
+
+static const std::map<int32_t, RPiController::AfAlgorithm::AfMode> AfModeTable = {
+ { controls::AfModeManual, RPiController::AfAlgorithm::AfModeManual },
+ { controls::AfModeAuto, RPiController::AfAlgorithm::AfModeAuto },
+ { controls::AfModeContinuous, RPiController::AfAlgorithm::AfModeContinuous },
+};
+
+static const std::map<int32_t, RPiController::AfAlgorithm::AfRange> AfRangeTable = {
+ { controls::AfRangeNormal, RPiController::AfAlgorithm::AfRangeNormal },
+ { controls::AfRangeMacro, RPiController::AfAlgorithm::AfRangeMacro },
+ { controls::AfRangeFull, RPiController::AfAlgorithm::AfRangeFull },
+};
+
+static const std::map<int32_t, RPiController::AfAlgorithm::AfPause> AfPauseTable = {
+ { controls::AfPauseImmediate, RPiController::AfAlgorithm::AfPauseImmediate },
+ { controls::AfPauseDeferred, RPiController::AfAlgorithm::AfPauseDeferred },
+ { controls::AfPauseResume, RPiController::AfAlgorithm::AfPauseResume },
+};
+
+static const std::map<int32_t, std::string> HdrModeTable = {
+ { controls::HdrModeOff, "Off" },
+ { controls::HdrModeMultiExposureUnmerged, "MultiExposureUnmerged" },
+ { controls::HdrModeMultiExposure, "MultiExposure" },
+ { controls::HdrModeSingleExposure, "SingleExposure" },
+ { controls::HdrModeNight, "Night" },
+};
+
+void IpaBase::applyControls(const ControlList &controls)
+{
+ using RPiController::AgcAlgorithm;
+ using RPiController::AfAlgorithm;
+ using RPiController::ContrastAlgorithm;
+ using RPiController::DenoiseAlgorithm;
+ using RPiController::HdrAlgorithm;
+
+ /* Clear the return metadata buffer. */
+ libcameraMetadata_.clear();
+
+ /* Because some AF controls are mode-specific, handle AF mode change first. */
+ if (controls.contains(controls::AF_MODE)) {
+ AfAlgorithm *af = dynamic_cast<AfAlgorithm *>(controller_.getAlgorithm("af"));
+ if (!af) {
+ LOG(IPARPI, Warning)
+ << "Could not set AF_MODE - no AF algorithm";
+ }
+
+ int32_t idx = controls.get(controls::AF_MODE).get<int32_t>();
+ auto mode = AfModeTable.find(idx);
+ if (mode == AfModeTable.end()) {
+ LOG(IPARPI, Error) << "AF mode " << idx
+ << " not recognised";
+ } else if (af)
+ af->setMode(mode->second);
+ }
+
+ /* Iterate over controls */
+ for (auto const &ctrl : controls) {
+ LOG(IPARPI, Debug) << "Request ctrl: "
+ << controls::controls.at(ctrl.first)->name()
+ << " = " << ctrl.second.toString();
+
+ switch (ctrl.first) {
+ case controls::AE_ENABLE: {
+ RPiController::AgcAlgorithm *agc = dynamic_cast<RPiController::AgcAlgorithm *>(
+ controller_.getAlgorithm("agc"));
+ if (!agc) {
+ LOG(IPARPI, Warning)
+ << "Could not set AE_ENABLE - no AGC algorithm";
+ break;
+ }
+
+ if (ctrl.second.get<bool>() == false)
+ agc->disableAuto();
+ else
+ agc->enableAuto();
+
+ libcameraMetadata_.set(controls::AeEnable, ctrl.second.get<bool>());
+ break;
+ }
+
+ case controls::EXPOSURE_TIME: {
+ RPiController::AgcAlgorithm *agc = dynamic_cast<RPiController::AgcAlgorithm *>(
+ controller_.getAlgorithm("agc"));
+ if (!agc) {
+ LOG(IPARPI, Warning)
+ << "Could not set EXPOSURE_TIME - no AGC algorithm";
+ break;
+ }
+
+ /* The control provides units of microseconds. */
+ agc->setFixedShutter(0, ctrl.second.get<int32_t>() * 1.0us);
+
+ libcameraMetadata_.set(controls::ExposureTime, ctrl.second.get<int32_t>());
+ break;
+ }
+
+ case controls::ANALOGUE_GAIN: {
+ RPiController::AgcAlgorithm *agc = dynamic_cast<RPiController::AgcAlgorithm *>(
+ controller_.getAlgorithm("agc"));
+ if (!agc) {
+ LOG(IPARPI, Warning)
+ << "Could not set ANALOGUE_GAIN - no AGC algorithm";
+ break;
+ }
+
+ agc->setFixedAnalogueGain(0, ctrl.second.get<float>());
+
+ libcameraMetadata_.set(controls::AnalogueGain,
+ ctrl.second.get<float>());
+ break;
+ }
+
+ case controls::AE_METERING_MODE: {
+ RPiController::AgcAlgorithm *agc = dynamic_cast<RPiController::AgcAlgorithm *>(
+ controller_.getAlgorithm("agc"));
+ if (!agc) {
+ LOG(IPARPI, Warning)
+ << "Could not set AE_METERING_MODE - no AGC algorithm";
+ break;
+ }
+
+ int32_t idx = ctrl.second.get<int32_t>();
+ if (MeteringModeTable.count(idx)) {
+ agc->setMeteringMode(MeteringModeTable.at(idx));
+ libcameraMetadata_.set(controls::AeMeteringMode, idx);
+ } else {
+ LOG(IPARPI, Error) << "Metering mode " << idx
+ << " not recognised";
+ }
+ break;
+ }
+
+ case controls::AE_CONSTRAINT_MODE: {
+ RPiController::AgcAlgorithm *agc = dynamic_cast<RPiController::AgcAlgorithm *>(
+ controller_.getAlgorithm("agc"));
+ if (!agc) {
+ LOG(IPARPI, Warning)
+ << "Could not set AE_CONSTRAINT_MODE - no AGC algorithm";
+ break;
+ }
+
+ int32_t idx = ctrl.second.get<int32_t>();
+ if (ConstraintModeTable.count(idx)) {
+ agc->setConstraintMode(ConstraintModeTable.at(idx));
+ libcameraMetadata_.set(controls::AeConstraintMode, idx);
+ } else {
+ LOG(IPARPI, Error) << "Constraint mode " << idx
+ << " not recognised";
+ }
+ break;
+ }
+
+ case controls::AE_EXPOSURE_MODE: {
+ RPiController::AgcAlgorithm *agc = dynamic_cast<RPiController::AgcAlgorithm *>(
+ controller_.getAlgorithm("agc"));
+ if (!agc) {
+ LOG(IPARPI, Warning)
+ << "Could not set AE_EXPOSURE_MODE - no AGC algorithm";
+ break;
+ }
+
+ int32_t idx = ctrl.second.get<int32_t>();
+ if (ExposureModeTable.count(idx)) {
+ agc->setExposureMode(ExposureModeTable.at(idx));
+ libcameraMetadata_.set(controls::AeExposureMode, idx);
+ } else {
+ LOG(IPARPI, Error) << "Exposure mode " << idx
+ << " not recognised";
+ }
+ break;
+ }
+
+ case controls::EXPOSURE_VALUE: {
+ RPiController::AgcAlgorithm *agc = dynamic_cast<RPiController::AgcAlgorithm *>(
+ controller_.getAlgorithm("agc"));
+ if (!agc) {
+ LOG(IPARPI, Warning)
+ << "Could not set EXPOSURE_VALUE - no AGC algorithm";
+ break;
+ }
+
+ /*
+ * The SetEv() function takes in a direct exposure multiplier.
+ * So convert to 2^EV
+ */
+ double ev = pow(2.0, ctrl.second.get<float>());
+ agc->setEv(0, ev);
+ libcameraMetadata_.set(controls::ExposureValue,
+ ctrl.second.get<float>());
+ break;
+ }
+
+ case controls::AE_FLICKER_MODE: {
+ RPiController::AgcAlgorithm *agc = dynamic_cast<RPiController::AgcAlgorithm *>(
+ controller_.getAlgorithm("agc"));
+ if (!agc) {
+ LOG(IPARPI, Warning)
+ << "Could not set AeFlickerMode - no AGC algorithm";
+ break;
+ }
+
+ int32_t mode = ctrl.second.get<int32_t>();
+ bool modeValid = true;
+
+ switch (mode) {
+ case controls::FlickerOff:
+ agc->setFlickerPeriod(0us);
+
+ break;
+
+ case controls::FlickerManual:
+ agc->setFlickerPeriod(flickerState_.manualPeriod);
+
+ break;
+
+ default:
+ LOG(IPARPI, Error) << "Flicker mode " << mode << " is not supported";
+ modeValid = false;
+
+ break;
+ }
+
+ if (modeValid)
+ flickerState_.mode = mode;
+
+ break;
+ }
+
+ case controls::AE_FLICKER_PERIOD: {
+ RPiController::AgcAlgorithm *agc = dynamic_cast<RPiController::AgcAlgorithm *>(
+ controller_.getAlgorithm("agc"));
+ if (!agc) {
+ LOG(IPARPI, Warning)
+ << "Could not set AeFlickerPeriod - no AGC algorithm";
+ break;
+ }
+
+ uint32_t manualPeriod = ctrl.second.get<int32_t>();
+ flickerState_.manualPeriod = manualPeriod * 1.0us;
+
+ /*
+ * We note that it makes no difference if the mode gets set to "manual"
+ * first, and the period updated after, or vice versa.
+ */
+ if (flickerState_.mode == controls::FlickerManual)
+ agc->setFlickerPeriod(flickerState_.manualPeriod);
+
+ break;
+ }
+
+ case controls::AWB_ENABLE: {
+ /* Silently ignore this control for a mono sensor. */
+ if (monoSensor_)
+ break;
+
+ RPiController::AwbAlgorithm *awb = dynamic_cast<RPiController::AwbAlgorithm *>(
+ controller_.getAlgorithm("awb"));
+ if (!awb) {
+ LOG(IPARPI, Warning)
+ << "Could not set AWB_ENABLE - no AWB algorithm";
+ break;
+ }
+
+ if (ctrl.second.get<bool>() == false)
+ awb->disableAuto();
+ else
+ awb->enableAuto();
+
+ libcameraMetadata_.set(controls::AwbEnable,
+ ctrl.second.get<bool>());
+ break;
+ }
+
+ case controls::AWB_MODE: {
+ /* Silently ignore this control for a mono sensor. */
+ if (monoSensor_)
+ break;
+
+ RPiController::AwbAlgorithm *awb = dynamic_cast<RPiController::AwbAlgorithm *>(
+ controller_.getAlgorithm("awb"));
+ if (!awb) {
+ LOG(IPARPI, Warning)
+ << "Could not set AWB_MODE - no AWB algorithm";
+ break;
+ }
+
+ int32_t idx = ctrl.second.get<int32_t>();
+ if (AwbModeTable.count(idx)) {
+ awb->setMode(AwbModeTable.at(idx));
+ libcameraMetadata_.set(controls::AwbMode, idx);
+ } else {
+ LOG(IPARPI, Error) << "AWB mode " << idx
+ << " not recognised";
+ }
+ break;
+ }
+
+ case controls::COLOUR_GAINS: {
+ /* Silently ignore this control for a mono sensor. */
+ if (monoSensor_)
+ break;
+
+ auto gains = ctrl.second.get<Span<const float>>();
+ RPiController::AwbAlgorithm *awb = dynamic_cast<RPiController::AwbAlgorithm *>(
+ controller_.getAlgorithm("awb"));
+ if (!awb) {
+ LOG(IPARPI, Warning)
+ << "Could not set COLOUR_GAINS - no AWB algorithm";
+ break;
+ }
+
+ awb->setManualGains(gains[0], gains[1]);
+ if (gains[0] != 0.0f && gains[1] != 0.0f)
+ /* A gain of 0.0f will switch back to auto mode. */
+ libcameraMetadata_.set(controls::ColourGains,
+ { gains[0], gains[1] });
+ break;
+ }
+
+ case controls::BRIGHTNESS: {
+ RPiController::ContrastAlgorithm *contrast = dynamic_cast<RPiController::ContrastAlgorithm *>(
+ controller_.getAlgorithm("contrast"));
+ if (!contrast) {
+ LOG(IPARPI, Warning)
+ << "Could not set BRIGHTNESS - no contrast algorithm";
+ break;
+ }
+
+ contrast->setBrightness(ctrl.second.get<float>() * 65536);
+ libcameraMetadata_.set(controls::Brightness,
+ ctrl.second.get<float>());
+ break;
+ }
+
+ case controls::CONTRAST: {
+ RPiController::ContrastAlgorithm *contrast = dynamic_cast<RPiController::ContrastAlgorithm *>(
+ controller_.getAlgorithm("contrast"));
+ if (!contrast) {
+ LOG(IPARPI, Warning)
+ << "Could not set CONTRAST - no contrast algorithm";
+ break;
+ }
+
+ contrast->setContrast(ctrl.second.get<float>());
+ libcameraMetadata_.set(controls::Contrast,
+ ctrl.second.get<float>());
+ break;
+ }
+
+ case controls::SATURATION: {
+ /* Silently ignore this control for a mono sensor. */
+ if (monoSensor_)
+ break;
+
+ RPiController::CcmAlgorithm *ccm = dynamic_cast<RPiController::CcmAlgorithm *>(
+ controller_.getAlgorithm("ccm"));
+ if (!ccm) {
+ LOG(IPARPI, Warning)
+ << "Could not set SATURATION - no ccm algorithm";
+ break;
+ }
+
+ ccm->setSaturation(ctrl.second.get<float>());
+ libcameraMetadata_.set(controls::Saturation,
+ ctrl.second.get<float>());
+ break;
+ }
+
+ case controls::SHARPNESS: {
+ RPiController::SharpenAlgorithm *sharpen = dynamic_cast<RPiController::SharpenAlgorithm *>(
+ controller_.getAlgorithm("sharpen"));
+ if (!sharpen) {
+ LOG(IPARPI, Warning)
+ << "Could not set SHARPNESS - no sharpen algorithm";
+ break;
+ }
+
+ sharpen->setStrength(ctrl.second.get<float>());
+ libcameraMetadata_.set(controls::Sharpness,
+ ctrl.second.get<float>());
+ break;
+ }
+
+ case controls::SCALER_CROP: {
+ /* We do nothing with this, but should avoid the warning below. */
+ break;
+ }
+
+ case controls::FRAME_DURATION_LIMITS: {
+ auto frameDurations = ctrl.second.get<Span<const int64_t>>();
+ applyFrameDurations(frameDurations[0] * 1.0us, frameDurations[1] * 1.0us);
+ break;
+ }
+
+ case controls::draft::NOISE_REDUCTION_MODE:
+ /* Handled below in handleControls() */
+ libcameraMetadata_.set(controls::draft::NoiseReductionMode,
+ ctrl.second.get<int32_t>());
+ break;
+
+ case controls::AF_MODE:
+ break; /* We already handled this one above */
+
+ case controls::AF_RANGE: {
+ AfAlgorithm *af = dynamic_cast<AfAlgorithm *>(controller_.getAlgorithm("af"));
+ if (!af) {
+ LOG(IPARPI, Warning)
+ << "Could not set AF_RANGE - no focus algorithm";
+ break;
+ }
+
+ auto range = AfRangeTable.find(ctrl.second.get<int32_t>());
+ if (range == AfRangeTable.end()) {
+ LOG(IPARPI, Error) << "AF range " << ctrl.second.get<int32_t>()
+ << " not recognised";
+ break;
+ }
+ af->setRange(range->second);
+ break;
+ }
+
+ case controls::AF_SPEED: {
+ AfAlgorithm *af = dynamic_cast<AfAlgorithm *>(controller_.getAlgorithm("af"));
+ if (!af) {
+ LOG(IPARPI, Warning)
+ << "Could not set AF_SPEED - no focus algorithm";
+ break;
+ }
+
+ AfAlgorithm::AfSpeed speed = ctrl.second.get<int32_t>() == controls::AfSpeedFast ?
+ AfAlgorithm::AfSpeedFast : AfAlgorithm::AfSpeedNormal;
+ af->setSpeed(speed);
+ break;
+ }
+
+ case controls::AF_METERING: {
+ AfAlgorithm *af = dynamic_cast<AfAlgorithm *>(controller_.getAlgorithm("af"));
+ if (!af) {
+ LOG(IPARPI, Warning)
+ << "Could not set AF_METERING - no AF algorithm";
+ break;
+ }
+ af->setMetering(ctrl.second.get<int32_t>() == controls::AfMeteringWindows);
+ break;
+ }
+
+ case controls::AF_WINDOWS: {
+ AfAlgorithm *af = dynamic_cast<AfAlgorithm *>(controller_.getAlgorithm("af"));
+ if (!af) {
+ LOG(IPARPI, Warning)
+ << "Could not set AF_WINDOWS - no AF algorithm";
+ break;
+ }
+ af->setWindows(ctrl.second.get<Span<const Rectangle>>());
+ break;
+ }
+
+ case controls::AF_PAUSE: {
+ AfAlgorithm *af = dynamic_cast<AfAlgorithm *>(controller_.getAlgorithm("af"));
+ if (!af || af->getMode() != AfAlgorithm::AfModeContinuous) {
+ LOG(IPARPI, Warning)
+ << "Could not set AF_PAUSE - no AF algorithm or not Continuous";
+ break;
+ }
+ auto pause = AfPauseTable.find(ctrl.second.get<int32_t>());
+ if (pause == AfPauseTable.end()) {
+ LOG(IPARPI, Error) << "AF pause " << ctrl.second.get<int32_t>()
+ << " not recognised";
+ break;
+ }
+ af->pause(pause->second);
+ break;
+ }
+
+ case controls::AF_TRIGGER: {
+ AfAlgorithm *af = dynamic_cast<AfAlgorithm *>(controller_.getAlgorithm("af"));
+ if (!af || af->getMode() != AfAlgorithm::AfModeAuto) {
+ LOG(IPARPI, Warning)
+ << "Could not set AF_TRIGGER - no AF algorithm or not Auto";
+ break;
+ } else {
+ if (ctrl.second.get<int32_t>() == controls::AfTriggerStart)
+ af->triggerScan();
+ else
+ af->cancelScan();
+ }
+ break;
+ }
+
+ case controls::LENS_POSITION: {
+ AfAlgorithm *af = dynamic_cast<AfAlgorithm *>(controller_.getAlgorithm("af"));
+ if (af) {
+ int32_t hwpos;
+ if (af->setLensPosition(ctrl.second.get<float>(), &hwpos)) {
+ ControlList lensCtrls(lensCtrls_);
+ lensCtrls.set(V4L2_CID_FOCUS_ABSOLUTE, hwpos);
+ setLensControls.emit(lensCtrls);
+ }
+ } else {
+ LOG(IPARPI, Warning)
+ << "Could not set LENS_POSITION - no AF algorithm";
+ }
+ break;
+ }
+
+ case controls::HDR_MODE: {
+ HdrAlgorithm *hdr = dynamic_cast<HdrAlgorithm *>(controller_.getAlgorithm("hdr"));
+ if (!hdr) {
+ LOG(IPARPI, Warning) << "No HDR algorithm available";
+ break;
+ }
+
+ auto mode = HdrModeTable.find(ctrl.second.get<int32_t>());
+ if (mode == HdrModeTable.end()) {
+ LOG(IPARPI, Warning) << "Unrecognised HDR mode";
+ break;
+ }
+
+ AgcAlgorithm *agc = dynamic_cast<AgcAlgorithm *>(controller_.getAlgorithm("agc"));
+ if (!agc) {
+ LOG(IPARPI, Warning) << "HDR requires an AGC algorithm";
+ break;
+ }
+
+ if (hdr->setMode(mode->second) == 0) {
+ agc->setActiveChannels(hdr->getChannels());
+
+ /* We also disable adpative contrast enhancement if HDR is running. */
+ ContrastAlgorithm *contrast =
+ dynamic_cast<ContrastAlgorithm *>(controller_.getAlgorithm("contrast"));
+ if (contrast) {
+ if (mode->second == "Off")
+ contrast->restoreCe();
+ else
+ contrast->enableCe(false);
+ }
+
+ DenoiseAlgorithm *denoise =
+ dynamic_cast<DenoiseAlgorithm *>(controller_.getAlgorithm("denoise"));
+ if (denoise) {
+ /* \todo - make the HDR mode say what denoise it wants? */
+ if (mode->second == "Night")
+ denoise->setConfig("night");
+ else if (mode->second == "SingleExposure")
+ denoise->setConfig("hdr");
+ /* MultiExposure doesn't need extra extra denoise. */
+ else
+ denoise->setConfig("normal");
+ }
+ } else
+ LOG(IPARPI, Warning)
+ << "HDR mode " << mode->second << " not supported";
+
+ break;
+ }
+
+ case controls::rpi::STATS_OUTPUT_ENABLE:
+ statsMetadataOutput_ = ctrl.second.get<bool>();
+ break;
+
+ default:
+ LOG(IPARPI, Warning)
+ << "Ctrl " << controls::controls.at(ctrl.first)->name()
+ << " is not handled.";
+ break;
+ }
+ }
+
+ /* Give derived classes a chance to examine the new controls. */
+ handleControls(controls);
+}
+
+void IpaBase::fillDeviceStatus(const ControlList &sensorControls, unsigned int ipaContext)
+{
+ DeviceStatus deviceStatus = {};
+
+ int32_t exposureLines = sensorControls.get(V4L2_CID_EXPOSURE).get<int32_t>();
+ int32_t gainCode = sensorControls.get(V4L2_CID_ANALOGUE_GAIN).get<int32_t>();
+ int32_t vblank = sensorControls.get(V4L2_CID_VBLANK).get<int32_t>();
+ int32_t hblank = sensorControls.get(V4L2_CID_HBLANK).get<int32_t>();
+
+ deviceStatus.lineLength = helper_->hblankToLineLength(hblank);
+ deviceStatus.shutterSpeed = helper_->exposure(exposureLines, deviceStatus.lineLength);
+ deviceStatus.analogueGain = helper_->gain(gainCode);
+ deviceStatus.frameLength = mode_.height + vblank;
+
+ RPiController::AfAlgorithm *af = dynamic_cast<RPiController::AfAlgorithm *>(
+ controller_.getAlgorithm("af"));
+ if (af)
+ deviceStatus.lensPosition = af->getLensPosition();
+
+ LOG(IPARPI, Debug) << "Metadata - " << deviceStatus;
+
+ rpiMetadata_[ipaContext].set("device.status", deviceStatus);
+}
+
+void IpaBase::reportMetadata(unsigned int ipaContext)
+{
+ RPiController::Metadata &rpiMetadata = rpiMetadata_[ipaContext];
+ std::unique_lock<RPiController::Metadata> lock(rpiMetadata);
+
+ /*
+ * Certain information about the current frame and how it will be
+ * processed can be extracted and placed into the libcamera metadata
+ * buffer, where an application could query it.
+ */
+ DeviceStatus *deviceStatus = rpiMetadata.getLocked<DeviceStatus>("device.status");
+ if (deviceStatus) {
+ libcameraMetadata_.set(controls::ExposureTime,
+ deviceStatus->shutterSpeed.get<std::micro>());
+ libcameraMetadata_.set(controls::AnalogueGain, deviceStatus->analogueGain);
+ libcameraMetadata_.set(controls::FrameDuration,
+ helper_->exposure(deviceStatus->frameLength, deviceStatus->lineLength).get<std::micro>());
+ if (deviceStatus->sensorTemperature)
+ libcameraMetadata_.set(controls::SensorTemperature, *deviceStatus->sensorTemperature);
+ if (deviceStatus->lensPosition)
+ libcameraMetadata_.set(controls::LensPosition, *deviceStatus->lensPosition);
+ }
+
+ AgcPrepareStatus *agcPrepareStatus = rpiMetadata.getLocked<AgcPrepareStatus>("agc.prepare_status");
+ if (agcPrepareStatus) {
+ libcameraMetadata_.set(controls::AeLocked, agcPrepareStatus->locked);
+ libcameraMetadata_.set(controls::DigitalGain, agcPrepareStatus->digitalGain);
+ }
+
+ LuxStatus *luxStatus = rpiMetadata.getLocked<LuxStatus>("lux.status");
+ if (luxStatus)
+ libcameraMetadata_.set(controls::Lux, luxStatus->lux);
+
+ AwbStatus *awbStatus = rpiMetadata.getLocked<AwbStatus>("awb.status");
+ if (awbStatus) {
+ libcameraMetadata_.set(controls::ColourGains, { static_cast<float>(awbStatus->gainR),
+ static_cast<float>(awbStatus->gainB) });
+ libcameraMetadata_.set(controls::ColourTemperature, awbStatus->temperatureK);
+ }
+
+ BlackLevelStatus *blackLevelStatus = rpiMetadata.getLocked<BlackLevelStatus>("black_level.status");
+ if (blackLevelStatus)
+ libcameraMetadata_.set(controls::SensorBlackLevels,
+ { static_cast<int32_t>(blackLevelStatus->blackLevelR),
+ static_cast<int32_t>(blackLevelStatus->blackLevelG),
+ static_cast<int32_t>(blackLevelStatus->blackLevelG),
+ static_cast<int32_t>(blackLevelStatus->blackLevelB) });
+
+ RPiController::FocusRegions *focusStatus =
+ rpiMetadata.getLocked<RPiController::FocusRegions>("focus.status");
+ if (focusStatus) {
+ /*
+ * Calculate the average FoM over the central (symmetric) positions
+ * to give an overall scene FoM. This can change later if it is
+ * not deemed suitable.
+ */
+ libcamera::Size size = focusStatus->size();
+ unsigned rows = size.height;
+ unsigned cols = size.width;
+
+ uint64_t sum = 0;
+ unsigned int numRegions = 0;
+ for (unsigned r = rows / 3; r < rows - rows / 3; ++r) {
+ for (unsigned c = cols / 4; c < cols - cols / 4; ++c) {
+ sum += focusStatus->get({ (int)c, (int)r }).val;
+ numRegions++;
+ }
+ }
+
+ uint32_t focusFoM = sum / numRegions;
+ libcameraMetadata_.set(controls::FocusFoM, focusFoM);
+ }
+
+ CcmStatus *ccmStatus = rpiMetadata.getLocked<CcmStatus>("ccm.status");
+ if (ccmStatus) {
+ float m[9];
+ for (unsigned int i = 0; i < 9; i++)
+ m[i] = ccmStatus->matrix[i];
+ libcameraMetadata_.set(controls::ColourCorrectionMatrix, m);
+ }
+
+ const AfStatus *afStatus = rpiMetadata.getLocked<AfStatus>("af.status");
+ if (afStatus) {
+ int32_t s, p;
+ switch (afStatus->state) {
+ case AfState::Scanning:
+ s = controls::AfStateScanning;
+ break;
+ case AfState::Focused:
+ s = controls::AfStateFocused;
+ break;
+ case AfState::Failed:
+ s = controls::AfStateFailed;
+ break;
+ default:
+ s = controls::AfStateIdle;
+ }
+ switch (afStatus->pauseState) {
+ case AfPauseState::Pausing:
+ p = controls::AfPauseStatePausing;
+ break;
+ case AfPauseState::Paused:
+ p = controls::AfPauseStatePaused;
+ break;
+ default:
+ p = controls::AfPauseStateRunning;
+ }
+ libcameraMetadata_.set(controls::AfState, s);
+ libcameraMetadata_.set(controls::AfPauseState, p);
+ }
+
+ /*
+ * THe HDR algorithm sets the HDR channel into the agc.status at the time that those
+ * AGC parameters were calculated several frames ago, so it comes back to us now in
+ * the delayed_status. If this frame is too soon after a mode switch for the
+ * delayed_status to be available, we use the HDR status that came out of the
+ * switchMode call.
+ */
+ const AgcStatus *agcStatus = rpiMetadata.getLocked<AgcStatus>("agc.delayed_status");
+ const HdrStatus &hdrStatus = agcStatus ? agcStatus->hdr : hdrStatus_;
+ if (!hdrStatus.mode.empty() && hdrStatus.mode != "Off") {
+ int32_t hdrMode = controls::HdrModeOff;
+ for (auto const &[mode, name] : HdrModeTable) {
+ if (hdrStatus.mode == name) {
+ hdrMode = mode;
+ break;
+ }
+ }
+ libcameraMetadata_.set(controls::HdrMode, hdrMode);
+
+ if (hdrStatus.channel == "short")
+ libcameraMetadata_.set(controls::HdrChannel, controls::HdrChannelShort);
+ else if (hdrStatus.channel == "long")
+ libcameraMetadata_.set(controls::HdrChannel, controls::HdrChannelLong);
+ else if (hdrStatus.channel == "medium")
+ libcameraMetadata_.set(controls::HdrChannel, controls::HdrChannelMedium);
+ else
+ libcameraMetadata_.set(controls::HdrChannel, controls::HdrChannelNone);
+ }
+
+ metadataReady.emit(libcameraMetadata_);
+}
+
+void IpaBase::applyFrameDurations(Duration minFrameDuration, Duration maxFrameDuration)
+{
+ /*
+ * This will only be applied once AGC recalculations occur.
+ * The values may be clamped based on the sensor mode capabilities as well.
+ */
+ minFrameDuration_ = minFrameDuration ? minFrameDuration : defaultMinFrameDuration;
+ maxFrameDuration_ = maxFrameDuration ? maxFrameDuration : defaultMaxFrameDuration;
+ minFrameDuration_ = std::clamp(minFrameDuration_,
+ mode_.minFrameDuration, mode_.maxFrameDuration);
+ maxFrameDuration_ = std::clamp(maxFrameDuration_,
+ mode_.minFrameDuration, mode_.maxFrameDuration);
+ maxFrameDuration_ = std::max(maxFrameDuration_, minFrameDuration_);
+
+ /* Return the validated limits via metadata. */
+ libcameraMetadata_.set(controls::FrameDurationLimits,
+ { static_cast<int64_t>(minFrameDuration_.get<std::micro>()),
+ static_cast<int64_t>(maxFrameDuration_.get<std::micro>()) });
+
+ /*
+ * Calculate the maximum exposure time possible for the AGC to use.
+ * getBlanking() will update maxShutter with the largest exposure
+ * value possible.
+ */
+ Duration maxShutter = Duration::max();
+ helper_->getBlanking(maxShutter, minFrameDuration_, maxFrameDuration_);
+
+ RPiController::AgcAlgorithm *agc = dynamic_cast<RPiController::AgcAlgorithm *>(
+ controller_.getAlgorithm("agc"));
+ agc->setMaxShutter(maxShutter);
+}
+
+void IpaBase::applyAGC(const struct AgcStatus *agcStatus, ControlList &ctrls)
+{
+ const int32_t minGainCode = helper_->gainCode(mode_.minAnalogueGain);
+ const int32_t maxGainCode = helper_->gainCode(mode_.maxAnalogueGain);
+ int32_t gainCode = helper_->gainCode(agcStatus->analogueGain);
+
+ /*
+ * Ensure anything larger than the max gain code will not be passed to
+ * DelayedControls. The AGC will correctly handle a lower gain returned
+ * by the sensor, provided it knows the actual gain used.
+ */
+ gainCode = std::clamp<int32_t>(gainCode, minGainCode, maxGainCode);
+
+ /* getBlanking might clip exposure time to the fps limits. */
+ Duration exposure = agcStatus->shutterTime;
+ auto [vblank, hblank] = helper_->getBlanking(exposure, minFrameDuration_, maxFrameDuration_);
+ int32_t exposureLines = helper_->exposureLines(exposure,
+ helper_->hblankToLineLength(hblank));
+
+ LOG(IPARPI, Debug) << "Applying AGC Exposure: " << exposure
+ << " (Shutter lines: " << exposureLines << ", AGC requested "
+ << agcStatus->shutterTime << ") Gain: "
+ << agcStatus->analogueGain << " (Gain Code: "
+ << gainCode << ")";
+
+ ctrls.set(V4L2_CID_VBLANK, static_cast<int32_t>(vblank));
+ ctrls.set(V4L2_CID_EXPOSURE, exposureLines);
+ ctrls.set(V4L2_CID_ANALOGUE_GAIN, gainCode);
+
+ /*
+ * At present, there is no way of knowing if a control is read-only.
+ * As a workaround, assume that if the minimum and maximum values of
+ * the V4L2_CID_HBLANK control are the same, it implies the control
+ * is read-only. This seems to be the case for all the cameras our IPA
+ * works with.
+ *
+ * \todo The control API ought to have a flag to specify if a control
+ * is read-only which could be used below.
+ */
+ if (mode_.minLineLength != mode_.maxLineLength)
+ ctrls.set(V4L2_CID_HBLANK, static_cast<int32_t>(hblank));
+
+ /*
+ * Store the frame length times in a circular queue, up-to FrameLengthsQueueSize
+ * elements. This will be used to advertise a camera timeout value to the
+ * pipeline handler.
+ */
+ frameLengths_.pop_front();
+ frameLengths_.push_back(helper_->exposure(vblank + mode_.height,
+ helper_->hblankToLineLength(hblank)));
+}
+
+} /* namespace ipa::RPi */
+
+} /* namespace libcamera */
diff --git a/src/ipa/rpi/common/ipa_base.h b/src/ipa/rpi/common/ipa_base.h
new file mode 100644
index 00000000..a95cda1f
--- /dev/null
+++ b/src/ipa/rpi/common/ipa_base.h
@@ -0,0 +1,143 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2023, Raspberry Pi Ltd
+ *
+ * Raspberry Pi IPA base class
+ */
+#pragma once
+
+#include <array>
+#include <deque>
+#include <map>
+#include <stdint.h>
+
+#include <libcamera/base/utils.h>
+#include <libcamera/controls.h>
+
+#include <libcamera/ipa/raspberrypi_ipa_interface.h>
+
+#include "libcamera/internal/mapped_framebuffer.h"
+
+#include "cam_helper/cam_helper.h"
+#include "controller/agc_status.h"
+#include "controller/camera_mode.h"
+#include "controller/controller.h"
+#include "controller/hdr_status.h"
+#include "controller/metadata.h"
+
+namespace libcamera {
+
+namespace ipa::RPi {
+
+class IpaBase : public IPARPiInterface
+{
+public:
+ IpaBase();
+ ~IpaBase();
+
+ int32_t init(const IPASettings &settings, const InitParams &params, InitResult *result) override;
+ int32_t configure(const IPACameraSensorInfo &sensorInfo, const ConfigParams &params,
+ ConfigResult *result) override;
+
+ void start(const ControlList &controls, StartResult *result) override;
+ void stop() override {}
+
+ void mapBuffers(const std::vector<IPABuffer> &buffers) override;
+ void unmapBuffers(const std::vector<unsigned int> &ids) override;
+
+ void prepareIsp(const PrepareParams &params) override;
+ void processStats(const ProcessParams &params) override;
+
+protected:
+ bool monoSensor()
+ {
+ return monoSensor_;
+ }
+
+ /* Raspberry Pi controller specific defines. */
+ std::unique_ptr<RPiController::CamHelper> helper_;
+ RPiController::Controller controller_;
+
+ ControlInfoMap sensorCtrls_;
+ ControlInfoMap lensCtrls_;
+
+ /* Camera sensor params. */
+ CameraMode mode_;
+
+ /* Track the frame length times over FrameLengthsQueueSize frames. */
+ std::deque<utils::Duration> frameLengths_;
+ utils::Duration lastTimeout_;
+ ControlList libcameraMetadata_;
+ bool statsMetadataOutput_;
+
+ /* Remember the HDR status after a mode switch. */
+ HdrStatus hdrStatus_;
+
+ /* Whether the stitch block (if available) needs to swap buffers. */
+ bool stitchSwapBuffers_;
+
+private:
+ /* Number of metadata objects available in the context list. */
+ static constexpr unsigned int numMetadataContexts = 16;
+
+ virtual int32_t platformInit(const InitParams &params, InitResult *result) = 0;
+ virtual int32_t platformStart(const ControlList &controls, StartResult *result) = 0;
+ virtual int32_t platformConfigure(const ConfigParams &params, ConfigResult *result) = 0;
+
+ virtual void platformPrepareIsp(const PrepareParams &params,
+ RPiController::Metadata &rpiMetadata) = 0;
+ virtual RPiController::StatisticsPtr platformProcessStats(Span<uint8_t> mem) = 0;
+
+ void setMode(const IPACameraSensorInfo &sensorInfo);
+ void setCameraTimeoutValue();
+ bool validateSensorControls();
+ bool validateLensControls();
+ void applyControls(const ControlList &controls);
+ virtual void handleControls(const ControlList &controls) = 0;
+ void fillDeviceStatus(const ControlList &sensorControls, unsigned int ipaContext);
+ void reportMetadata(unsigned int ipaContext);
+ void applyFrameDurations(utils::Duration minFrameDuration, utils::Duration maxFrameDuration);
+ void applyAGC(const struct AgcStatus *agcStatus, ControlList &ctrls);
+
+ std::map<unsigned int, MappedFrameBuffer> buffers_;
+
+ bool lensPresent_;
+ bool monoSensor_;
+
+ std::array<RPiController::Metadata, numMetadataContexts> rpiMetadata_;
+
+ /*
+ * We count frames to decide if the frame must be hidden (e.g. from
+ * display) or mistrusted (i.e. not given to the control algos).
+ */
+ uint64_t frameCount_;
+
+ /* How many frames we should avoid running control algos on. */
+ unsigned int mistrustCount_;
+
+ /* Number of frames that need to be dropped on startup. */
+ unsigned int dropFrameCount_;
+
+ /* Frame timestamp for the last run of the controller. */
+ uint64_t lastRunTimestamp_;
+
+ /* Do we run a Controller::process() for this frame? */
+ bool processPending_;
+
+ /* Distinguish the first camera start from others. */
+ bool firstStart_;
+
+ /* Frame duration (1/fps) limits. */
+ utils::Duration minFrameDuration_;
+ utils::Duration maxFrameDuration_;
+
+ /* The current state of flicker avoidance. */
+ struct FlickerState {
+ int32_t mode;
+ utils::Duration manualPeriod;
+ } flickerState_;
+};
+
+} /* namespace ipa::RPi */
+
+} /* namespace libcamera */
diff --git a/src/ipa/rpi/common/meson.build b/src/ipa/rpi/common/meson.build
new file mode 100644
index 00000000..73d2ee73
--- /dev/null
+++ b/src/ipa/rpi/common/meson.build
@@ -0,0 +1,17 @@
+# SPDX-License-Identifier: CC0-1.0
+
+rpi_ipa_common_sources = files([
+ 'ipa_base.cpp',
+])
+
+rpi_ipa_common_includes = [
+ include_directories('..'),
+]
+
+rpi_ipa_common_deps = [
+ libcamera_private,
+]
+
+rpi_ipa_common_lib = static_library('rpi_ipa_common', rpi_ipa_common_sources,
+ include_directories : rpi_ipa_common_includes,
+ dependencies : rpi_ipa_common_deps)
diff --git a/src/ipa/rpi/controller/af_algorithm.h b/src/ipa/rpi/controller/af_algorithm.h
new file mode 100644
index 00000000..ad9b5754
--- /dev/null
+++ b/src/ipa/rpi/controller/af_algorithm.h
@@ -0,0 +1,76 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2022, Raspberry Pi Ltd
+ *
+ * af_algorithm.hpp - auto focus algorithm interface
+ */
+#pragma once
+
+#include <optional>
+
+#include <libcamera/base/span.h>
+
+#include "algorithm.h"
+
+namespace RPiController {
+
+class AfAlgorithm : public Algorithm
+{
+public:
+ AfAlgorithm(Controller *controller)
+ : Algorithm(controller) {}
+
+ /*
+ * An autofocus algorithm should provide the following calls.
+ *
+ * Where a ControlList combines a change of AfMode with other AF
+ * controls, setMode() should be called first, to ensure the
+ * algorithm will be in the correct state to handle controls.
+ *
+ * setLensPosition() returns true if the mode was AfModeManual and
+ * the lens position has changed, otherwise returns false. When it
+ * returns true, hwpos should be sent immediately to the lens driver.
+ *
+ * getMode() is provided mainly for validating controls.
+ * getLensPosition() is provided for populating DeviceStatus.
+ */
+
+ enum AfRange { AfRangeNormal = 0,
+ AfRangeMacro,
+ AfRangeFull,
+ AfRangeMax };
+
+ enum AfSpeed { AfSpeedNormal = 0,
+ AfSpeedFast,
+ AfSpeedMax };
+
+ enum AfMode { AfModeManual = 0,
+ AfModeAuto,
+ AfModeContinuous };
+
+ enum AfPause { AfPauseImmediate = 0,
+ AfPauseDeferred,
+ AfPauseResume };
+
+ virtual void setRange([[maybe_unused]] AfRange range)
+ {
+ }
+ virtual void setSpeed([[maybe_unused]] AfSpeed speed)
+ {
+ }
+ virtual void setMetering([[maybe_unused]] bool use_windows)
+ {
+ }
+ virtual void setWindows([[maybe_unused]] libcamera::Span<libcamera::Rectangle const> const &wins)
+ {
+ }
+ virtual void setMode(AfMode mode) = 0;
+ virtual AfMode getMode() const = 0;
+ virtual bool setLensPosition(double dioptres, int32_t *hwpos) = 0;
+ virtual std::optional<double> getLensPosition() const = 0;
+ virtual void triggerScan() = 0;
+ virtual void cancelScan() = 0;
+ virtual void pause(AfPause pause) = 0;
+};
+
+} // namespace RPiController
diff --git a/src/ipa/rpi/controller/af_status.h b/src/ipa/rpi/controller/af_status.h
new file mode 100644
index 00000000..c1487cc4
--- /dev/null
+++ b/src/ipa/rpi/controller/af_status.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2022, Raspberry Pi Ltd
+ *
+ * AF control algorithm status
+ */
+#pragma once
+
+#include <optional>
+
+/*
+ * The AF algorithm should post the following structure into the image's
+ * "af.status" metadata. lensSetting should control the lens.
+ */
+
+enum class AfState {
+ Idle = 0,
+ Scanning,
+ Focused,
+ Failed
+};
+
+enum class AfPauseState {
+ Running = 0,
+ Pausing,
+ Paused
+};
+
+struct AfStatus {
+ /* state for reporting */
+ AfState state;
+ AfPauseState pauseState;
+ /* lensSetting should be sent to the lens driver, when valid */
+ std::optional<int> lensSetting;
+};
diff --git a/src/ipa/rpi/controller/agc_algorithm.h b/src/ipa/rpi/controller/agc_algorithm.h
new file mode 100644
index 00000000..1132de7e
--- /dev/null
+++ b/src/ipa/rpi/controller/agc_algorithm.h
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * AGC/AEC control algorithm interface
+ */
+#pragma once
+
+#include <vector>
+
+#include <libcamera/base/utils.h>
+
+#include "algorithm.h"
+
+namespace RPiController {
+
+class AgcAlgorithm : public Algorithm
+{
+public:
+ AgcAlgorithm(Controller *controller) : Algorithm(controller) {}
+ /* An AGC algorithm must provide the following: */
+ virtual unsigned int getConvergenceFrames() const = 0;
+ virtual std::vector<double> const &getWeights() const = 0;
+ virtual void setEv(unsigned int channel, double ev) = 0;
+ virtual void setFlickerPeriod(libcamera::utils::Duration flickerPeriod) = 0;
+ virtual void setFixedShutter(unsigned int channel,
+ libcamera::utils::Duration fixedShutter) = 0;
+ virtual void setMaxShutter(libcamera::utils::Duration maxShutter) = 0;
+ virtual void setFixedAnalogueGain(unsigned int channel, double fixedAnalogueGain) = 0;
+ virtual void setMeteringMode(std::string const &meteringModeName) = 0;
+ virtual void setExposureMode(std::string const &exposureModeName) = 0;
+ virtual void setConstraintMode(std::string const &contraintModeName) = 0;
+ virtual void enableAuto() = 0;
+ virtual void disableAuto() = 0;
+ virtual void setActiveChannels(const std::vector<unsigned int> &activeChannels) = 0;
+};
+
+} /* namespace RPiController */
diff --git a/src/ipa/rpi/controller/agc_status.h b/src/ipa/rpi/controller/agc_status.h
new file mode 100644
index 00000000..c7c87b83
--- /dev/null
+++ b/src/ipa/rpi/controller/agc_status.h
@@ -0,0 +1,48 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * AGC/AEC control algorithm status
+ */
+#pragma once
+
+#include <string>
+
+#include <libcamera/base/utils.h>
+
+#include "hdr_status.h"
+
+/*
+ * The AGC algorithm process method should post an AgcStatus into the image
+ * metadata under the tag "agc.status".
+ * The AGC algorithm prepare method should post an AgcPrepareStatus instead
+ * under "agc.prepare_status".
+ */
+
+/*
+ * Note: total_exposure_value will be reported as zero until the algorithm has
+ * seen statistics and calculated meaningful values. The contents should be
+ * ignored until then.
+ */
+
+struct AgcStatus {
+ libcamera::utils::Duration totalExposureValue; /* value for all exposure and gain for this image */
+ libcamera::utils::Duration targetExposureValue; /* (unfiltered) target total exposure AGC is aiming for */
+ libcamera::utils::Duration shutterTime;
+ double analogueGain;
+ std::string exposureMode;
+ std::string constraintMode;
+ std::string meteringMode;
+ double ev;
+ libcamera::utils::Duration flickerPeriod;
+ int floatingRegionEnable;
+ libcamera::utils::Duration fixedShutter;
+ double fixedAnalogueGain;
+ unsigned int channel;
+ HdrStatus hdr;
+};
+
+struct AgcPrepareStatus {
+ double digitalGain;
+ int locked;
+};
diff --git a/src/ipa/rpi/controller/algorithm.cpp b/src/ipa/rpi/controller/algorithm.cpp
new file mode 100644
index 00000000..beed47a1
--- /dev/null
+++ b/src/ipa/rpi/controller/algorithm.cpp
@@ -0,0 +1,56 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * ISP control algorithms
+ */
+
+#include "algorithm.h"
+
+using namespace RPiController;
+
+int Algorithm::read([[maybe_unused]] const libcamera::YamlObject &params)
+{
+ return 0;
+}
+
+void Algorithm::initialise()
+{
+}
+
+void Algorithm::switchMode([[maybe_unused]] CameraMode const &cameraMode,
+ [[maybe_unused]] Metadata *metadata)
+{
+}
+
+void Algorithm::prepare([[maybe_unused]] Metadata *imageMetadata)
+{
+}
+
+void Algorithm::process([[maybe_unused]] StatisticsPtr &stats,
+ [[maybe_unused]] Metadata *imageMetadata)
+{
+}
+
+/* For registering algorithms with the system: */
+
+namespace {
+
+std::map<std::string, AlgoCreateFunc> &algorithms()
+{
+ static std::map<std::string, AlgoCreateFunc> algorithms;
+ return algorithms;
+}
+
+} /* namespace */
+
+std::map<std::string, AlgoCreateFunc> const &RPiController::getAlgorithms()
+{
+ return algorithms();
+}
+
+RegisterAlgorithm::RegisterAlgorithm(char const *name,
+ AlgoCreateFunc createFunc)
+{
+ algorithms()[std::string(name)] = createFunc;
+}
diff --git a/src/ipa/rpi/controller/algorithm.h b/src/ipa/rpi/controller/algorithm.h
new file mode 100644
index 00000000..1971bfdc
--- /dev/null
+++ b/src/ipa/rpi/controller/algorithm.h
@@ -0,0 +1,68 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * ISP control algorithm interface
+ */
+#pragma once
+
+/*
+ * All algorithms should be derived from this class and made available to the
+ * Controller.
+ */
+
+#include <string>
+#include <memory>
+#include <map>
+
+#include "libcamera/internal/yaml_parser.h"
+
+#include "controller.h"
+
+namespace RPiController {
+
+/* This defines the basic interface for all control algorithms. */
+
+class Algorithm
+{
+public:
+ Algorithm(Controller *controller)
+ : controller_(controller)
+ {
+ }
+ virtual ~Algorithm() = default;
+ virtual char const *name() const = 0;
+ virtual int read(const libcamera::YamlObject &params);
+ virtual void initialise();
+ virtual void switchMode(CameraMode const &cameraMode, Metadata *metadata);
+ virtual void prepare(Metadata *imageMetadata);
+ virtual void process(StatisticsPtr &stats, Metadata *imageMetadata);
+ Metadata &getGlobalMetadata() const
+ {
+ return controller_->getGlobalMetadata();
+ }
+ const std::string &getTarget() const
+ {
+ return controller_->getTarget();
+ }
+ const Controller::HardwareConfig &getHardwareConfig() const
+ {
+ return controller_->getHardwareConfig();
+ }
+
+private:
+ Controller *controller_;
+};
+
+/*
+ * This code is for automatic registration of Front End algorithms with the
+ * system.
+ */
+
+typedef Algorithm *(*AlgoCreateFunc)(Controller *controller);
+struct RegisterAlgorithm {
+ RegisterAlgorithm(char const *name, AlgoCreateFunc createFunc);
+};
+std::map<std::string, AlgoCreateFunc> const &getAlgorithms();
+
+} /* namespace RPiController */
diff --git a/src/ipa/rpi/controller/alsc_status.h b/src/ipa/rpi/controller/alsc_status.h
new file mode 100644
index 00000000..329e8a37
--- /dev/null
+++ b/src/ipa/rpi/controller/alsc_status.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * ALSC (auto lens shading correction) control algorithm status
+ */
+#pragma once
+
+#include <vector>
+
+/*
+ * The ALSC algorithm should post the following structure into the image's
+ * "alsc.status" metadata.
+ */
+
+struct AlscStatus {
+ std::vector<double> r;
+ std::vector<double> g;
+ std::vector<double> b;
+ unsigned int rows;
+ unsigned int cols;
+};
diff --git a/src/ipa/rpi/controller/awb_algorithm.h b/src/ipa/rpi/controller/awb_algorithm.h
new file mode 100644
index 00000000..1779b050
--- /dev/null
+++ b/src/ipa/rpi/controller/awb_algorithm.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * AWB control algorithm interface
+ */
+#pragma once
+
+#include "algorithm.h"
+
+namespace RPiController {
+
+class AwbAlgorithm : public Algorithm
+{
+public:
+ AwbAlgorithm(Controller *controller) : Algorithm(controller) {}
+ /* An AWB algorithm must provide the following: */
+ virtual unsigned int getConvergenceFrames() const = 0;
+ virtual void initialValues(double &gainR, double &gainB) = 0;
+ virtual void setMode(std::string const &modeName) = 0;
+ virtual void setManualGains(double manualR, double manualB) = 0;
+ virtual void enableAuto() = 0;
+ virtual void disableAuto() = 0;
+};
+
+} /* namespace RPiController */
diff --git a/src/ipa/rpi/controller/awb_status.h b/src/ipa/rpi/controller/awb_status.h
new file mode 100644
index 00000000..125df1a0
--- /dev/null
+++ b/src/ipa/rpi/controller/awb_status.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * AWB control algorithm status
+ */
+#pragma once
+
+/*
+ * The AWB algorithm places its results into both the image and global metadata,
+ * under the tag "awb.status".
+ */
+
+struct AwbStatus {
+ char mode[32];
+ double temperatureK;
+ double gainR;
+ double gainG;
+ double gainB;
+};
diff --git a/src/ipa/rpi/controller/black_level_algorithm.h b/src/ipa/rpi/controller/black_level_algorithm.h
new file mode 100644
index 00000000..ce044e59
--- /dev/null
+++ b/src/ipa/rpi/controller/black_level_algorithm.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2023, Raspberry Pi Ltd
+ *
+ * black level control algorithm interface
+ */
+#pragma once
+
+#include "algorithm.h"
+
+namespace RPiController {
+
+class BlackLevelAlgorithm : public Algorithm
+{
+public:
+ BlackLevelAlgorithm(Controller *controller)
+ : Algorithm(controller) {}
+ /* A black level algorithm must provide the following: */
+ virtual void initialValues(uint16_t &blackLevelR, uint16_t &blackLevelG,
+ uint16_t &blackLevelB) = 0;
+};
+
+} /* namespace RPiController */
diff --git a/src/ipa/rpi/controller/black_level_status.h b/src/ipa/rpi/controller/black_level_status.h
new file mode 100644
index 00000000..57a0705a
--- /dev/null
+++ b/src/ipa/rpi/controller/black_level_status.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * black level control algorithm status
+ */
+#pragma once
+
+/* The "black level" algorithm stores the black levels to use. */
+
+struct BlackLevelStatus {
+ uint16_t blackLevelR; /* out of 16 bits */
+ uint16_t blackLevelG;
+ uint16_t blackLevelB;
+};
diff --git a/src/ipa/rpi/controller/cac_status.h b/src/ipa/rpi/controller/cac_status.h
new file mode 100644
index 00000000..475d4c5c
--- /dev/null
+++ b/src/ipa/rpi/controller/cac_status.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2023 Raspberry Pi Ltd
+ *
+ * CAC (Chromatic Abberation Correction) algorithm status
+ */
+#pragma once
+
+#include "pwl.h"
+
+struct CacStatus {
+ std::vector<double> lutRx;
+ std::vector<double> lutRy;
+ std::vector<double> lutBx;
+ std::vector<double> lutBy;
+};
diff --git a/src/ipa/rpi/controller/camera_mode.h b/src/ipa/rpi/controller/camera_mode.h
new file mode 100644
index 00000000..4fdb5b85
--- /dev/null
+++ b/src/ipa/rpi/controller/camera_mode.h
@@ -0,0 +1,59 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019-2020, Raspberry Pi Ltd
+ *
+ * description of a particular operating mode of a sensor
+ */
+#pragma once
+
+#include <libcamera/transform.h>
+
+#include <libcamera/base/utils.h>
+
+/*
+ * Description of a "camera mode", holding enough information for control
+ * algorithms to adapt their behaviour to the different modes of the camera,
+ * including binning, scaling, cropping etc.
+ */
+
+struct CameraMode {
+ /* bit depth of the raw camera output */
+ uint32_t bitdepth;
+ /* size in pixels of frames in this mode */
+ uint16_t width;
+ uint16_t height;
+ /* size of full resolution uncropped frame ("sensor frame") */
+ uint16_t sensorWidth;
+ uint16_t sensorHeight;
+ /* binning factor (1 = no binning, 2 = 2-pixel binning etc.) */
+ uint8_t binX;
+ uint8_t binY;
+ /* location of top left pixel in the sensor frame */
+ uint16_t cropX;
+ uint16_t cropY;
+ /* scaling factor (so if uncropped, width*scaleX is sensorWidth) */
+ double scaleX;
+ double scaleY;
+ /* scaling of the noise compared to the native sensor mode */
+ double noiseFactor;
+ /* minimum and maximum line time and frame durations */
+ libcamera::utils::Duration minLineLength;
+ libcamera::utils::Duration maxLineLength;
+ libcamera::utils::Duration minFrameDuration;
+ libcamera::utils::Duration maxFrameDuration;
+ /* any camera transform *not* reflected already in the camera tuning */
+ libcamera::Transform transform;
+ /* minimum and maximum frame lengths in units of lines */
+ uint32_t minFrameLength;
+ uint32_t maxFrameLength;
+ /* sensitivity of this mode */
+ double sensitivity;
+ /* pixel clock rate */
+ uint64_t pixelRate;
+ /* Mode specific shutter speed limits */
+ libcamera::utils::Duration minShutter;
+ libcamera::utils::Duration maxShutter;
+ /* Mode specific analogue gain limits */
+ double minAnalogueGain;
+ double maxAnalogueGain;
+};
diff --git a/src/ipa/rpi/controller/ccm_algorithm.h b/src/ipa/rpi/controller/ccm_algorithm.h
new file mode 100644
index 00000000..6678ba75
--- /dev/null
+++ b/src/ipa/rpi/controller/ccm_algorithm.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * CCM (colour correction matrix) control algorithm interface
+ */
+#pragma once
+
+#include "algorithm.h"
+
+namespace RPiController {
+
+class CcmAlgorithm : public Algorithm
+{
+public:
+ CcmAlgorithm(Controller *controller) : Algorithm(controller) {}
+ /* A CCM algorithm must provide the following: */
+ virtual void setSaturation(double saturation) = 0;
+};
+
+} /* namespace RPiController */
diff --git a/src/ipa/rpi/controller/ccm_status.h b/src/ipa/rpi/controller/ccm_status.h
new file mode 100644
index 00000000..c81bcd42
--- /dev/null
+++ b/src/ipa/rpi/controller/ccm_status.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * CCM (colour correction matrix) control algorithm status
+ */
+#pragma once
+
+/* The "ccm" algorithm generates an appropriate colour matrix. */
+
+struct CcmStatus {
+ double matrix[9];
+ double saturation;
+};
diff --git a/src/ipa/rpi/controller/contrast_algorithm.h b/src/ipa/rpi/controller/contrast_algorithm.h
new file mode 100644
index 00000000..2e983350
--- /dev/null
+++ b/src/ipa/rpi/controller/contrast_algorithm.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * contrast (gamma) control algorithm interface
+ */
+#pragma once
+
+#include "algorithm.h"
+
+namespace RPiController {
+
+class ContrastAlgorithm : public Algorithm
+{
+public:
+ ContrastAlgorithm(Controller *controller) : Algorithm(controller) {}
+ /* A contrast algorithm must provide the following: */
+ virtual void setBrightness(double brightness) = 0;
+ virtual void setContrast(double contrast) = 0;
+ virtual void enableCe(bool enable) = 0;
+ virtual void restoreCe() = 0;
+};
+
+} /* namespace RPiController */
diff --git a/src/ipa/rpi/controller/contrast_status.h b/src/ipa/rpi/controller/contrast_status.h
new file mode 100644
index 00000000..7c67f054
--- /dev/null
+++ b/src/ipa/rpi/controller/contrast_status.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * contrast (gamma) control algorithm status
+ */
+#pragma once
+
+#include "pwl.h"
+
+/*
+ * The "contrast" algorithm creates a gamma curve, optionally doing a little bit
+ * of contrast stretching based on the AGC histogram.
+ */
+
+struct ContrastStatus {
+ RPiController::Pwl gammaCurve;
+ double brightness;
+ double contrast;
+};
diff --git a/src/ipa/rpi/controller/controller.cpp b/src/ipa/rpi/controller/controller.cpp
new file mode 100644
index 00000000..e0131018
--- /dev/null
+++ b/src/ipa/rpi/controller/controller.cpp
@@ -0,0 +1,220 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * ISP controller
+ */
+
+#include <assert.h>
+
+#include <libcamera/base/file.h>
+#include <libcamera/base/log.h>
+
+#include "libcamera/internal/yaml_parser.h"
+
+#include "algorithm.h"
+#include "controller.h"
+
+using namespace RPiController;
+using namespace libcamera;
+using namespace std::literals::chrono_literals;
+
+LOG_DEFINE_CATEGORY(RPiController)
+
+static const std::map<std::string, Controller::HardwareConfig> HardwareConfigMap = {
+ {
+ "bcm2835",
+ {
+ /*
+ * There are only ever 15 AGC regions computed by the firmware
+ * due to zoning, but the HW defines AGC_REGIONS == 16!
+ */
+ .agcRegions = { 15 , 1 },
+ .agcZoneWeights = { 15 , 1 },
+ .awbRegions = { 16, 12 },
+ .cacRegions = { 0, 0 },
+ .focusRegions = { 4, 3 },
+ .numHistogramBins = 128,
+ .numGammaPoints = 33,
+ .pipelineWidth = 13,
+ .statsInline = false,
+ .minPixelProcessingTime = 0s,
+ }
+ },
+ {
+ "pisp",
+ {
+ .agcRegions = { 0, 0 },
+ .agcZoneWeights = { 15, 15 },
+ .awbRegions = { 32, 32 },
+ .cacRegions = { 8, 8 },
+ .focusRegions = { 8, 8 },
+ .numHistogramBins = 1024,
+ .numGammaPoints = 64,
+ .pipelineWidth = 16,
+ .statsInline = true,
+
+ /*
+ * The constraint below is on the rate of pixels going
+ * from CSI2 peripheral to ISP-FE (400Mpix/s, plus tiny
+ * overheads per scanline, for which 380Mpix/s is a
+ * conservative bound).
+ *
+ * There is a 64kbit data FIFO before the bottleneck,
+ * which means that in all reasonable cases the
+ * constraint applies at a timescale >= 1 scanline, so
+ * adding horizontal blanking can prevent loss.
+ *
+ * If the backlog were to grow beyond 64kbit during a
+ * single scanline, there could still be loss. This
+ * could happen using 4 lanes at 1.5Gbps at 10bpp with
+ * frames wider than ~16,000 pixels.
+ */
+ .minPixelProcessingTime = 1.0us / 380,
+ }
+ },
+};
+
+Controller::Controller()
+ : switchModeCalled_(false)
+{
+}
+
+Controller::~Controller() {}
+
+int Controller::read(char const *filename)
+{
+ File file(filename);
+ if (!file.open(File::OpenModeFlag::ReadOnly)) {
+ LOG(RPiController, Warning)
+ << "Failed to open tuning file '" << filename << "'";
+ return -EINVAL;
+ }
+
+ std::unique_ptr<YamlObject> root = YamlParser::parse(file);
+ if (!root)
+ return -EINVAL;
+
+ double version = (*root)["version"].get<double>(1.0);
+ target_ = (*root)["target"].get<std::string>("bcm2835");
+
+ if (version < 2.0) {
+ LOG(RPiController, Warning)
+ << "This format of the tuning file will be deprecated soon!"
+ << " Please use the convert_tuning.py utility to update to version 2.0.";
+
+ for (auto const &[key, value] : root->asDict()) {
+ int ret = createAlgorithm(key, value);
+ if (ret)
+ return ret;
+ }
+ } else if (version < 3.0) {
+ if (!root->contains("algorithms")) {
+ LOG(RPiController, Error)
+ << "Tuning file " << filename
+ << " does not have an \"algorithms\" list!";
+ return -EINVAL;
+ }
+
+ for (auto const &rootAlgo : (*root)["algorithms"].asList())
+ for (auto const &[key, value] : rootAlgo.asDict()) {
+ int ret = createAlgorithm(key, value);
+ if (ret)
+ return ret;
+ }
+ } else {
+ LOG(RPiController, Error)
+ << "Unrecognised version " << version
+ << " for the tuning file " << filename;
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+int Controller::createAlgorithm(const std::string &name, const YamlObject &params)
+{
+ auto it = getAlgorithms().find(name);
+ if (it == getAlgorithms().end()) {
+ LOG(RPiController, Warning)
+ << "No algorithm found for \"" << name << "\"";
+ return 0;
+ }
+
+ Algorithm *algo = (*it->second)(this);
+ int ret = algo->read(params);
+ if (ret)
+ return ret;
+
+ algorithms_.push_back(AlgorithmPtr(algo));
+ return 0;
+}
+
+void Controller::initialise()
+{
+ for (auto &algo : algorithms_)
+ algo->initialise();
+}
+
+void Controller::switchMode(CameraMode const &cameraMode, Metadata *metadata)
+{
+ for (auto &algo : algorithms_)
+ algo->switchMode(cameraMode, metadata);
+ switchModeCalled_ = true;
+}
+
+void Controller::prepare(Metadata *imageMetadata)
+{
+ assert(switchModeCalled_);
+ for (auto &algo : algorithms_)
+ algo->prepare(imageMetadata);
+}
+
+void Controller::process(StatisticsPtr stats, Metadata *imageMetadata)
+{
+ assert(switchModeCalled_);
+ for (auto &algo : algorithms_)
+ algo->process(stats, imageMetadata);
+}
+
+Metadata &Controller::getGlobalMetadata()
+{
+ return globalMetadata_;
+}
+
+Algorithm *Controller::getAlgorithm(std::string const &name) const
+{
+ /*
+ * The passed name must be the entire algorithm name, or must match the
+ * last part of it with a period (.) just before.
+ */
+ size_t nameLen = name.length();
+ for (auto &algo : algorithms_) {
+ char const *algoName = algo->name();
+ size_t algoNameLen = strlen(algoName);
+ if (algoNameLen >= nameLen &&
+ strcasecmp(name.c_str(),
+ algoName + algoNameLen - nameLen) == 0 &&
+ (nameLen == algoNameLen ||
+ algoName[algoNameLen - nameLen - 1] == '.'))
+ return algo.get();
+ }
+ return nullptr;
+}
+
+const std::string &Controller::getTarget() const
+{
+ return target_;
+}
+
+const Controller::HardwareConfig &Controller::getHardwareConfig() const
+{
+ auto cfg = HardwareConfigMap.find(getTarget());
+
+ /*
+ * This really should not happen, the IPA ought to validate the target
+ * on initialisation.
+ */
+ ASSERT(cfg != HardwareConfigMap.end());
+ return cfg->second;
+}
diff --git a/src/ipa/rpi/controller/controller.h b/src/ipa/rpi/controller/controller.h
new file mode 100644
index 00000000..eff520bd
--- /dev/null
+++ b/src/ipa/rpi/controller/controller.h
@@ -0,0 +1,77 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * ISP controller interface
+ */
+#pragma once
+
+/*
+ * The Controller is simply a container for a collecting together a number of
+ * "control algorithms" (such as AWB etc.) and for running them all in a
+ * convenient manner.
+ */
+
+#include <vector>
+#include <string>
+
+#include <libcamera/base/utils.h>
+#include "libcamera/internal/yaml_parser.h"
+
+#include "camera_mode.h"
+#include "device_status.h"
+#include "metadata.h"
+#include "statistics.h"
+
+namespace RPiController {
+
+class Algorithm;
+typedef std::unique_ptr<Algorithm> AlgorithmPtr;
+
+/*
+ * The Controller holds a pointer to some global_metadata, which is how
+ * different controllers and control algorithms within them can exchange
+ * information. The Prepare function returns a pointer to metadata for this
+ * specific image, and which should be passed on to the Process function.
+ */
+
+class Controller
+{
+public:
+ struct HardwareConfig {
+ libcamera::Size agcRegions;
+ libcamera::Size agcZoneWeights;
+ libcamera::Size awbRegions;
+ libcamera::Size cacRegions;
+ libcamera::Size focusRegions;
+ unsigned int numHistogramBins;
+ unsigned int numGammaPoints;
+ unsigned int pipelineWidth;
+ bool statsInline;
+ libcamera::utils::Duration minPixelProcessingTime;
+ };
+
+ Controller();
+ ~Controller();
+ int read(char const *filename);
+ void initialise();
+ void switchMode(CameraMode const &cameraMode, Metadata *metadata);
+ void prepare(Metadata *imageMetadata);
+ void process(StatisticsPtr stats, Metadata *imageMetadata);
+ Metadata &getGlobalMetadata();
+ Algorithm *getAlgorithm(std::string const &name) const;
+ const std::string &getTarget() const;
+ const HardwareConfig &getHardwareConfig() const;
+
+protected:
+ int createAlgorithm(const std::string &name, const libcamera::YamlObject &params);
+
+ Metadata globalMetadata_;
+ std::vector<AlgorithmPtr> algorithms_;
+ bool switchModeCalled_;
+
+private:
+ std::string target_;
+};
+
+} /* namespace RPiController */
diff --git a/src/ipa/rpi/controller/denoise_algorithm.h b/src/ipa/rpi/controller/denoise_algorithm.h
new file mode 100644
index 00000000..b9a2a33c
--- /dev/null
+++ b/src/ipa/rpi/controller/denoise_algorithm.h
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2021, Raspberry Pi Ltd
+ *
+ * Denoise control algorithm interface
+ */
+#pragma once
+
+#include <string>
+
+#include "algorithm.h"
+
+namespace RPiController {
+
+enum class DenoiseMode { Off, ColourOff, ColourFast, ColourHighQuality };
+
+class DenoiseAlgorithm : public Algorithm
+{
+public:
+ DenoiseAlgorithm(Controller *controller) : Algorithm(controller) {}
+ /* A Denoise algorithm must provide the following: */
+ virtual void setMode(DenoiseMode mode) = 0;
+ /* Some platforms may not be able to define this, so supply a default. */
+ virtual void setConfig([[maybe_unused]] std::string const &name) {}
+};
+
+} /* namespace RPiController */
diff --git a/src/ipa/rpi/controller/denoise_status.h b/src/ipa/rpi/controller/denoise_status.h
new file mode 100644
index 00000000..eead6086
--- /dev/null
+++ b/src/ipa/rpi/controller/denoise_status.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019-2021, Raspberry Pi Ltd
+ *
+ * Denoise control algorithm status
+ */
+#pragma once
+
+/* This stores the parameters required for Denoise. */
+
+struct DenoiseStatus {
+ double noiseConstant;
+ double noiseSlope;
+ double strength;
+ unsigned int mode;
+};
+
+struct SdnStatus {
+ double noiseConstant;
+ double noiseSlope;
+ double noiseConstant2;
+ double noiseSlope2;
+ double strength;
+};
+
+struct CdnStatus {
+ double strength;
+ double threshold;
+};
+
+struct TdnStatus {
+ double noiseConstant;
+ double noiseSlope;
+ double threshold;
+};
diff --git a/src/ipa/rpi/controller/device_status.cpp b/src/ipa/rpi/controller/device_status.cpp
new file mode 100644
index 00000000..68100137
--- /dev/null
+++ b/src/ipa/rpi/controller/device_status.cpp
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2021, Raspberry Pi Ltd
+ *
+ * device (image sensor) status
+ */
+#include "device_status.h"
+
+using namespace libcamera; /* for the Duration operator<< overload */
+
+std::ostream &operator<<(std::ostream &out, const DeviceStatus &d)
+{
+ out << "Exposure: " << d.shutterSpeed
+ << " Frame length: " << d.frameLength
+ << " Line length: " << d.lineLength
+ << " Gain: " << d.analogueGain;
+
+ if (d.aperture)
+ out << " Aperture: " << *d.aperture;
+
+ if (d.lensPosition)
+ out << " Lens: " << *d.lensPosition;
+
+ if (d.flashIntensity)
+ out << " Flash: " << *d.flashIntensity;
+
+ if (d.sensorTemperature)
+ out << " Temperature: " << *d.sensorTemperature;
+
+ return out;
+}
diff --git a/src/ipa/raspberrypi/controller/device_status.h b/src/ipa/rpi/controller/device_status.h
index b33f0d09..518f15b5 100644
--- a/src/ipa/raspberrypi/controller/device_status.h
+++ b/src/ipa/rpi/controller/device_status.h
@@ -1,8 +1,8 @@
/* SPDX-License-Identifier: BSD-2-Clause */
/*
- * Copyright (C) 2019-2021, Raspberry Pi (Trading) Limited
+ * Copyright (C) 2019-2021, Raspberry Pi Ltd
*
- * device_status.h - device (image sensor) status
+ * device (image sensor) status
*/
#pragma once
@@ -18,24 +18,26 @@
struct DeviceStatus {
DeviceStatus()
- : shutter_speed(std::chrono::seconds(0)), frame_length(0),
- analogue_gain(0.0)
+ : shutterSpeed(std::chrono::seconds(0)), frameLength(0),
+ lineLength(std::chrono::seconds(0)), analogueGain(0.0)
{
}
friend std::ostream &operator<<(std::ostream &out, const DeviceStatus &d);
/* time shutter is open */
- libcamera::utils::Duration shutter_speed;
+ libcamera::utils::Duration shutterSpeed;
/* frame length given in number of lines */
- uint32_t frame_length;
- double analogue_gain;
- /* 1.0/distance-in-metres, or 0 if unknown */
- std::optional<double> lens_position;
- /* 1/f so that brightness quadruples when this doubles, or 0 if unknown */
+ uint32_t frameLength;
+ /* line length for the current frame */
+ libcamera::utils::Duration lineLength;
+ double analogueGain;
+ /* 1.0/distance-in-metres */
+ std::optional<double> lensPosition;
+ /* 1/f so that brightness quadruples when this doubles */
std::optional<double> aperture;
/* proportional to brightness with 0 = no flash, 1 = maximum flash */
- std::optional<double> flash_intensity;
+ std::optional<double> flashIntensity;
/* Sensor reported temperature value (in degrees) */
- std::optional<double> sensor_temperature;
+ std::optional<double> sensorTemperature;
};
diff --git a/src/ipa/rpi/controller/dpc_status.h b/src/ipa/rpi/controller/dpc_status.h
new file mode 100644
index 00000000..9f30d5d9
--- /dev/null
+++ b/src/ipa/rpi/controller/dpc_status.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * DPC (defective pixel correction) control algorithm status
+ */
+#pragma once
+
+/* The "DPC" algorithm sets defective pixel correction strength. */
+
+struct DpcStatus {
+ int strength; /* 0 = "off", 1 = "normal", 2 = "strong" */
+};
diff --git a/src/ipa/rpi/controller/geq_status.h b/src/ipa/rpi/controller/geq_status.h
new file mode 100644
index 00000000..cb107a48
--- /dev/null
+++ b/src/ipa/rpi/controller/geq_status.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * GEQ (green equalisation) control algorithm status
+ */
+#pragma once
+
+/* The "GEQ" algorithm calculates the green equalisation thresholds */
+
+struct GeqStatus {
+ uint16_t offset;
+ double slope;
+};
diff --git a/src/ipa/rpi/controller/hdr_algorithm.h b/src/ipa/rpi/controller/hdr_algorithm.h
new file mode 100644
index 00000000..b889d8fd
--- /dev/null
+++ b/src/ipa/rpi/controller/hdr_algorithm.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2023, Raspberry Pi Ltd
+ *
+ * HDR control algorithm interface
+ */
+#pragma once
+
+#include <vector>
+
+#include "algorithm.h"
+
+namespace RPiController {
+
+class HdrAlgorithm : public Algorithm
+{
+public:
+ HdrAlgorithm(Controller *controller)
+ : Algorithm(controller) {}
+ /* An HDR algorithm must provide the following: */
+ virtual int setMode(std::string const &modeName) = 0;
+ virtual std::vector<unsigned int> getChannels() const = 0;
+};
+
+} /* namespace RPiController */
diff --git a/src/ipa/rpi/controller/hdr_status.h b/src/ipa/rpi/controller/hdr_status.h
new file mode 100644
index 00000000..a4955778
--- /dev/null
+++ b/src/ipa/rpi/controller/hdr_status.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2023 Raspberry Pi Ltd
+ *
+ * HDR control algorithm status
+ */
+#pragma once
+
+#include <string>
+
+/*
+ * The HDR algorithm process method should post an HdrStatus into the image
+ * metadata under the tag "hdr.status".
+ */
+
+struct HdrStatus {
+ std::string mode;
+ std::string channel;
+};
diff --git a/src/ipa/rpi/controller/histogram.cpp b/src/ipa/rpi/controller/histogram.cpp
new file mode 100644
index 00000000..ba5b25dd
--- /dev/null
+++ b/src/ipa/rpi/controller/histogram.cpp
@@ -0,0 +1,76 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * histogram calculations
+ */
+#include <math.h>
+#include <stdio.h>
+
+#include "histogram.h"
+
+using namespace RPiController;
+
+uint64_t Histogram::cumulativeFreq(double bin) const
+{
+ if (bin <= 0)
+ return 0;
+ else if (bin >= bins())
+ return total();
+ int b = (int)bin;
+ return cumulative_[b] +
+ (bin - b) * (cumulative_[b + 1] - cumulative_[b]);
+}
+
+double Histogram::quantile(double q, int first, int last) const
+{
+ if (first == -1)
+ first = 0;
+ if (last == -1)
+ last = cumulative_.size() - 2;
+ assert(first <= last);
+ uint64_t items = q * total();
+ while (first < last) /* binary search to find the right bin */
+ {
+ int middle = (first + last) / 2;
+ if (cumulative_[middle + 1] > items)
+ last = middle; /* between first and middle */
+ else
+ first = middle + 1; /* after middle */
+ }
+ assert(items >= cumulative_[first] && items <= cumulative_[last + 1]);
+ double frac = cumulative_[first + 1] == cumulative_[first] ? 0
+ : (double)(items - cumulative_[first]) /
+ (cumulative_[first + 1] - cumulative_[first]);
+ return first + frac;
+}
+
+double Histogram::interBinMean(double binLo, double binHi) const
+{
+ assert(binHi >= binLo);
+ double sumBinFreq = 0, cumulFreq = 0;
+ for (double binNext = floor(binLo) + 1.0; binNext <= ceil(binHi);
+ binLo = binNext, binNext += 1.0) {
+ int bin = floor(binLo);
+ double freq = (cumulative_[bin + 1] - cumulative_[bin]) *
+ (std::min(binNext, binHi) - binLo);
+ sumBinFreq += bin * freq;
+ cumulFreq += freq;
+ }
+
+ if (cumulFreq == 0) {
+ /* interval had zero width or contained no weight? */
+ return binHi;
+ }
+
+ /* add 0.5 to give an average for bin mid-points */
+ return sumBinFreq / cumulFreq + 0.5;
+}
+
+double Histogram::interQuantileMean(double qLo, double qHi) const
+{
+ assert(qHi >= qLo);
+ double pLo = quantile(qLo);
+ double pHi = quantile(qHi, (int)pLo);
+ return interBinMean(pLo, pHi);
+}
diff --git a/src/ipa/rpi/controller/histogram.h b/src/ipa/rpi/controller/histogram.h
new file mode 100644
index 00000000..ab4e5e31
--- /dev/null
+++ b/src/ipa/rpi/controller/histogram.h
@@ -0,0 +1,55 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * histogram calculation interface
+ */
+#pragma once
+
+#include <stdint.h>
+#include <vector>
+#include <cassert>
+
+/*
+ * A simple histogram class, for use in particular to find "quantiles" and
+ * averages between "quantiles".
+ */
+
+namespace RPiController {
+
+class Histogram
+{
+public:
+ Histogram()
+ {
+ cumulative_.push_back(0);
+ }
+
+ template<typename T> Histogram(T *histogram, int num)
+ {
+ assert(num);
+ cumulative_.reserve(num + 1);
+ cumulative_.push_back(0);
+ for (int i = 0; i < num; i++)
+ cumulative_.push_back(cumulative_.back() +
+ histogram[i]);
+ }
+ uint32_t bins() const { return cumulative_.size() - 1; }
+ uint64_t total() const { return cumulative_[cumulative_.size() - 1]; }
+ /* Cumulative frequency up to a (fractional) point in a bin. */
+ uint64_t cumulativeFreq(double bin) const;
+ /* Return the mean value between two (fractional) bins. */
+ double interBinMean(double binLo, double binHi) const;
+ /*
+ * Return the (fractional) bin of the point q (0 <= q <= 1) through the
+ * histogram. Optionally provide limits to help.
+ */
+ double quantile(double q, int first = -1, int last = -1) const;
+ /* Return the average histogram bin value between the two quantiles. */
+ double interQuantileMean(double qLo, double qHi) const;
+
+private:
+ std::vector<uint64_t> cumulative_;
+};
+
+} /* namespace RPiController */
diff --git a/src/ipa/rpi/controller/lux_status.h b/src/ipa/rpi/controller/lux_status.h
new file mode 100644
index 00000000..d8729f43
--- /dev/null
+++ b/src/ipa/rpi/controller/lux_status.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * Lux control algorithm status
+ */
+#pragma once
+
+/*
+ * The "lux" algorithm looks at the (AGC) histogram statistics of the frame and
+ * estimates the current lux level of the scene. It does this by a simple ratio
+ * calculation comparing to a reference image that was taken in known conditions
+ * with known statistics and a properly measured lux level. There is a slight
+ * problem with aperture, in that it may be variable without the system knowing
+ * or being aware of it. In this case an external application may set a
+ * "current_aperture" value if it wishes, which would be used in place of the
+ * (presumably meaningless) value in the image metadata.
+ */
+
+struct LuxStatus {
+ double lux;
+ double aperture;
+};
diff --git a/src/ipa/rpi/controller/meson.build b/src/ipa/rpi/controller/meson.build
new file mode 100644
index 00000000..32a4d31c
--- /dev/null
+++ b/src/ipa/rpi/controller/meson.build
@@ -0,0 +1,35 @@
+# SPDX-License-Identifier: CC0-1.0
+
+rpi_ipa_controller_sources = files([
+ 'algorithm.cpp',
+ 'controller.cpp',
+ 'device_status.cpp',
+ 'histogram.cpp',
+ 'pwl.cpp',
+ 'rpi/af.cpp',
+ 'rpi/agc.cpp',
+ 'rpi/agc_channel.cpp',
+ 'rpi/alsc.cpp',
+ 'rpi/awb.cpp',
+ 'rpi/black_level.cpp',
+ 'rpi/cac.cpp',
+ 'rpi/ccm.cpp',
+ 'rpi/contrast.cpp',
+ 'rpi/denoise.cpp',
+ 'rpi/dpc.cpp',
+ 'rpi/geq.cpp',
+ 'rpi/hdr.cpp',
+ 'rpi/lux.cpp',
+ 'rpi/noise.cpp',
+ 'rpi/saturation.cpp',
+ 'rpi/sdn.cpp',
+ 'rpi/sharpen.cpp',
+ 'rpi/tonemap.cpp',
+])
+
+rpi_ipa_controller_deps = [
+ libcamera_private,
+]
+
+rpi_ipa_controller_lib = static_library('rpi_ipa_controller', rpi_ipa_controller_sources,
+ dependencies : rpi_ipa_controller_deps)
diff --git a/src/ipa/rpi/controller/metadata.h b/src/ipa/rpi/controller/metadata.h
new file mode 100644
index 00000000..b4650d25
--- /dev/null
+++ b/src/ipa/rpi/controller/metadata.h
@@ -0,0 +1,127 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019-2021, Raspberry Pi Ltd
+ *
+ * general metadata class
+ */
+#pragma once
+
+/* A simple class for carrying arbitrary metadata, for example about an image. */
+
+#include <any>
+#include <map>
+#include <mutex>
+#include <string>
+
+#include <libcamera/base/thread_annotations.h>
+
+namespace RPiController {
+
+class LIBCAMERA_TSA_CAPABILITY("mutex") Metadata
+{
+public:
+ Metadata() = default;
+
+ Metadata(Metadata const &other)
+ {
+ std::scoped_lock otherLock(other.mutex_);
+ data_ = other.data_;
+ }
+
+ Metadata(Metadata &&other)
+ {
+ std::scoped_lock otherLock(other.mutex_);
+ data_ = std::move(other.data_);
+ other.data_.clear();
+ }
+
+ template<typename T>
+ void set(std::string const &tag, T const &value)
+ {
+ std::scoped_lock lock(mutex_);
+ data_[tag] = value;
+ }
+
+ template<typename T>
+ int get(std::string const &tag, T &value) const
+ {
+ std::scoped_lock lock(mutex_);
+ auto it = data_.find(tag);
+ if (it == data_.end())
+ return -1;
+ value = std::any_cast<T>(it->second);
+ return 0;
+ }
+
+ void clear()
+ {
+ std::scoped_lock lock(mutex_);
+ data_.clear();
+ }
+
+ Metadata &operator=(Metadata const &other)
+ {
+ std::scoped_lock lock(mutex_, other.mutex_);
+ data_ = other.data_;
+ return *this;
+ }
+
+ Metadata &operator=(Metadata &&other)
+ {
+ std::scoped_lock lock(mutex_, other.mutex_);
+ data_ = std::move(other.data_);
+ other.data_.clear();
+ return *this;
+ }
+
+ void merge(Metadata &other)
+ {
+ std::scoped_lock lock(mutex_, other.mutex_);
+ data_.merge(other.data_);
+ }
+
+ void mergeCopy(const Metadata &other)
+ {
+ std::scoped_lock lock(mutex_, other.mutex_);
+ /*
+ * If the metadata key exists, ignore this item and copy only
+ * unique key/value pairs.
+ */
+ data_.insert(other.data_.begin(), other.data_.end());
+ }
+
+ template<typename T>
+ T *getLocked(std::string const &tag)
+ {
+ /*
+ * This allows in-place access to the Metadata contents,
+ * for which you should be holding the lock.
+ */
+ auto it = data_.find(tag);
+ if (it == data_.end())
+ return nullptr;
+ return std::any_cast<T>(&it->second);
+ }
+
+ template<typename T>
+ void setLocked(std::string const &tag, T const &value)
+ {
+ /* Use this only if you're holding the lock yourself. */
+ data_[tag] = value;
+ }
+
+ /*
+ * Note: use of (lowercase) lock and unlock means you can create scoped
+ * locks with the standard lock classes.
+ * e.g. std::lock_guard<RPiController::Metadata> lock(metadata)
+ */
+ void lock() LIBCAMERA_TSA_ACQUIRE() { mutex_.lock(); }
+ auto try_lock() LIBCAMERA_TSA_ACQUIRE() { return mutex_.try_lock(); }
+ void unlock() LIBCAMERA_TSA_RELEASE() { mutex_.unlock(); }
+
+private:
+ mutable std::mutex mutex_;
+ std::map<std::string, std::any> data_;
+};
+
+} /* namespace RPiController */
diff --git a/src/ipa/rpi/controller/noise_status.h b/src/ipa/rpi/controller/noise_status.h
new file mode 100644
index 00000000..1919da32
--- /dev/null
+++ b/src/ipa/rpi/controller/noise_status.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * Noise control algorithm status
+ */
+#pragma once
+
+/* The "noise" algorithm stores an estimate of the noise profile for this image. */
+
+struct NoiseStatus {
+ double noiseConstant;
+ double noiseSlope;
+};
diff --git a/src/ipa/rpi/controller/pdaf_data.h b/src/ipa/rpi/controller/pdaf_data.h
new file mode 100644
index 00000000..779b987d
--- /dev/null
+++ b/src/ipa/rpi/controller/pdaf_data.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2022, Raspberry Pi Ltd
+ *
+ * PDAF Metadata
+ */
+#pragma once
+
+#include <stdint.h>
+
+#include "region_stats.h"
+
+namespace RPiController {
+
+struct PdafData {
+ /* Confidence, in arbitrary units */
+ uint16_t conf;
+ /* Phase error, in s16 Q4 format (S.11.4) */
+ int16_t phase;
+};
+
+using PdafRegions = RegionStats<PdafData>;
+
+} /* namespace RPiController */
diff --git a/src/ipa/rpi/controller/pwl.cpp b/src/ipa/rpi/controller/pwl.cpp
new file mode 100644
index 00000000..e3912376
--- /dev/null
+++ b/src/ipa/rpi/controller/pwl.cpp
@@ -0,0 +1,269 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * piecewise linear functions
+ */
+
+#include <cassert>
+#include <cmath>
+#include <stdexcept>
+
+#include "pwl.h"
+
+using namespace RPiController;
+
+int Pwl::read(const libcamera::YamlObject &params)
+{
+ if (!params.size() || params.size() % 2)
+ return -EINVAL;
+
+ const auto &list = params.asList();
+
+ for (auto it = list.begin(); it != list.end(); it++) {
+ auto x = it->get<double>();
+ if (!x)
+ return -EINVAL;
+ if (it != list.begin() && *x <= points_.back().x)
+ return -EINVAL;
+
+ auto y = (++it)->get<double>();
+ if (!y)
+ return -EINVAL;
+
+ points_.push_back(Point(*x, *y));
+ }
+
+ return 0;
+}
+
+void Pwl::append(double x, double y, const double eps)
+{
+ if (points_.empty() || points_.back().x + eps < x)
+ points_.push_back(Point(x, y));
+}
+
+void Pwl::prepend(double x, double y, const double eps)
+{
+ if (points_.empty() || points_.front().x - eps > x)
+ points_.insert(points_.begin(), Point(x, y));
+}
+
+Pwl::Interval Pwl::domain() const
+{
+ return Interval(points_[0].x, points_[points_.size() - 1].x);
+}
+
+Pwl::Interval Pwl::range() const
+{
+ double lo = points_[0].y, hi = lo;
+ for (auto &p : points_)
+ lo = std::min(lo, p.y), hi = std::max(hi, p.y);
+ return Interval(lo, hi);
+}
+
+bool Pwl::empty() const
+{
+ return points_.empty();
+}
+
+double Pwl::eval(double x, int *spanPtr, bool updateSpan) const
+{
+ int span = findSpan(x, spanPtr && *spanPtr != -1 ? *spanPtr : points_.size() / 2 - 1);
+ if (spanPtr && updateSpan)
+ *spanPtr = span;
+ return points_[span].y +
+ (x - points_[span].x) * (points_[span + 1].y - points_[span].y) /
+ (points_[span + 1].x - points_[span].x);
+}
+
+int Pwl::findSpan(double x, int span) const
+{
+ /*
+ * Pwls are generally small, so linear search may well be faster than
+ * binary, though could review this if large PWls start turning up.
+ */
+ int lastSpan = points_.size() - 2;
+ /*
+ * some algorithms may call us with span pointing directly at the last
+ * control point
+ */
+ span = std::max(0, std::min(lastSpan, span));
+ while (span < lastSpan && x >= points_[span + 1].x)
+ span++;
+ while (span && x < points_[span].x)
+ span--;
+ return span;
+}
+
+Pwl::PerpType Pwl::invert(Point const &xy, Point &perp, int &span,
+ const double eps) const
+{
+ assert(span >= -1);
+ bool prevOffEnd = false;
+ for (span = span + 1; span < (int)points_.size() - 1; span++) {
+ Point spanVec = points_[span + 1] - points_[span];
+ double t = ((xy - points_[span]) % spanVec) / spanVec.len2();
+ if (t < -eps) /* off the start of this span */
+ {
+ if (span == 0) {
+ perp = points_[span];
+ return PerpType::Start;
+ } else if (prevOffEnd) {
+ perp = points_[span];
+ return PerpType::Vertex;
+ }
+ } else if (t > 1 + eps) /* off the end of this span */
+ {
+ if (span == (int)points_.size() - 2) {
+ perp = points_[span + 1];
+ return PerpType::End;
+ }
+ prevOffEnd = true;
+ } else /* a true perpendicular */
+ {
+ perp = points_[span] + spanVec * t;
+ return PerpType::Perpendicular;
+ }
+ }
+ return PerpType::None;
+}
+
+Pwl Pwl::inverse(bool *trueInverse, const double eps) const
+{
+ bool appended = false, prepended = false, neither = false;
+ Pwl inverse;
+
+ for (Point const &p : points_) {
+ if (inverse.empty())
+ inverse.append(p.y, p.x, eps);
+ else if (std::abs(inverse.points_.back().x - p.y) <= eps ||
+ std::abs(inverse.points_.front().x - p.y) <= eps)
+ /* do nothing */;
+ else if (p.y > inverse.points_.back().x) {
+ inverse.append(p.y, p.x, eps);
+ appended = true;
+ } else if (p.y < inverse.points_.front().x) {
+ inverse.prepend(p.y, p.x, eps);
+ prepended = true;
+ } else
+ neither = true;
+ }
+
+ /*
+ * This is not a proper inverse if we found ourselves putting points
+ * onto both ends of the inverse, or if there were points that couldn't
+ * go on either.
+ */
+ if (trueInverse)
+ *trueInverse = !(neither || (appended && prepended));
+
+ return inverse;
+}
+
+Pwl Pwl::compose(Pwl const &other, const double eps) const
+{
+ double thisX = points_[0].x, thisY = points_[0].y;
+ int thisSpan = 0, otherSpan = other.findSpan(thisY, 0);
+ Pwl result({ { thisX, other.eval(thisY, &otherSpan, false) } });
+ while (thisSpan != (int)points_.size() - 1) {
+ double dx = points_[thisSpan + 1].x - points_[thisSpan].x,
+ dy = points_[thisSpan + 1].y - points_[thisSpan].y;
+ if (std::abs(dy) > eps &&
+ otherSpan + 1 < (int)other.points_.size() &&
+ points_[thisSpan + 1].y >=
+ other.points_[otherSpan + 1].x + eps) {
+ /*
+ * next control point in result will be where this
+ * function's y reaches the next span in other
+ */
+ thisX = points_[thisSpan].x +
+ (other.points_[otherSpan + 1].x -
+ points_[thisSpan].y) *
+ dx / dy;
+ thisY = other.points_[++otherSpan].x;
+ } else if (std::abs(dy) > eps && otherSpan > 0 &&
+ points_[thisSpan + 1].y <=
+ other.points_[otherSpan - 1].x - eps) {
+ /*
+ * next control point in result will be where this
+ * function's y reaches the previous span in other
+ */
+ thisX = points_[thisSpan].x +
+ (other.points_[otherSpan + 1].x -
+ points_[thisSpan].y) *
+ dx / dy;
+ thisY = other.points_[--otherSpan].x;
+ } else {
+ /* we stay in the same span in other */
+ thisSpan++;
+ thisX = points_[thisSpan].x,
+ thisY = points_[thisSpan].y;
+ }
+ result.append(thisX, other.eval(thisY, &otherSpan, false),
+ eps);
+ }
+ return result;
+}
+
+void Pwl::map(std::function<void(double x, double y)> f) const
+{
+ for (auto &pt : points_)
+ f(pt.x, pt.y);
+}
+
+void Pwl::map2(Pwl const &pwl0, Pwl const &pwl1,
+ std::function<void(double x, double y0, double y1)> f)
+{
+ int span0 = 0, span1 = 0;
+ double x = std::min(pwl0.points_[0].x, pwl1.points_[0].x);
+ f(x, pwl0.eval(x, &span0, false), pwl1.eval(x, &span1, false));
+ while (span0 < (int)pwl0.points_.size() - 1 ||
+ span1 < (int)pwl1.points_.size() - 1) {
+ if (span0 == (int)pwl0.points_.size() - 1)
+ x = pwl1.points_[++span1].x;
+ else if (span1 == (int)pwl1.points_.size() - 1)
+ x = pwl0.points_[++span0].x;
+ else if (pwl0.points_[span0 + 1].x > pwl1.points_[span1 + 1].x)
+ x = pwl1.points_[++span1].x;
+ else
+ x = pwl0.points_[++span0].x;
+ f(x, pwl0.eval(x, &span0, false), pwl1.eval(x, &span1, false));
+ }
+}
+
+Pwl Pwl::combine(Pwl const &pwl0, Pwl const &pwl1,
+ std::function<double(double x, double y0, double y1)> f,
+ const double eps)
+{
+ Pwl result;
+ map2(pwl0, pwl1, [&](double x, double y0, double y1) {
+ result.append(x, f(x, y0, y1), eps);
+ });
+ return result;
+}
+
+void Pwl::matchDomain(Interval const &domain, bool clip, const double eps)
+{
+ int span = 0;
+ prepend(domain.start, eval(clip ? points_[0].x : domain.start, &span),
+ eps);
+ span = points_.size() - 2;
+ append(domain.end, eval(clip ? points_.back().x : domain.end, &span),
+ eps);
+}
+
+Pwl &Pwl::operator*=(double d)
+{
+ for (auto &pt : points_)
+ pt.y *= d;
+ return *this;
+}
+
+void Pwl::debug(FILE *fp) const
+{
+ fprintf(fp, "Pwl {\n");
+ for (auto &p : points_)
+ fprintf(fp, "\t(%g, %g)\n", p.x, p.y);
+ fprintf(fp, "}\n");
+}
diff --git a/src/ipa/rpi/controller/pwl.h b/src/ipa/rpi/controller/pwl.h
new file mode 100644
index 00000000..7d5e7e4d
--- /dev/null
+++ b/src/ipa/rpi/controller/pwl.h
@@ -0,0 +1,127 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * piecewise linear functions interface
+ */
+#pragma once
+
+#include <functional>
+#include <math.h>
+#include <vector>
+
+#include "libcamera/internal/yaml_parser.h"
+
+namespace RPiController {
+
+class Pwl
+{
+public:
+ struct Interval {
+ Interval(double _start, double _end)
+ : start(_start), end(_end)
+ {
+ }
+ double start, end;
+ bool contains(double value)
+ {
+ return value >= start && value <= end;
+ }
+ double clip(double value)
+ {
+ return value < start ? start
+ : (value > end ? end : value);
+ }
+ double len() const { return end - start; }
+ };
+ struct Point {
+ Point() : x(0), y(0) {}
+ Point(double _x, double _y)
+ : x(_x), y(_y) {}
+ double x, y;
+ Point operator-(Point const &p) const
+ {
+ return Point(x - p.x, y - p.y);
+ }
+ Point operator+(Point const &p) const
+ {
+ return Point(x + p.x, y + p.y);
+ }
+ double operator%(Point const &p) const
+ {
+ return x * p.x + y * p.y;
+ }
+ Point operator*(double f) const { return Point(x * f, y * f); }
+ Point operator/(double f) const { return Point(x / f, y / f); }
+ double len2() const { return x * x + y * y; }
+ double len() const { return sqrt(len2()); }
+ };
+ Pwl() {}
+ Pwl(std::vector<Point> const &points) : points_(points) {}
+ int read(const libcamera::YamlObject &params);
+ void append(double x, double y, const double eps = 1e-6);
+ void prepend(double x, double y, const double eps = 1e-6);
+ Interval domain() const;
+ Interval range() const;
+ bool empty() const;
+ /*
+ * Evaluate Pwl, optionally supplying an initial guess for the
+ * "span". The "span" may be optionally be updated. If you want to know
+ * the "span" value but don't have an initial guess you can set it to
+ * -1.
+ */
+ double eval(double x, int *spanPtr = nullptr,
+ bool updateSpan = true) const;
+ /*
+ * Find perpendicular closest to xy, starting from span+1 so you can
+ * call it repeatedly to check for multiple closest points (set span to
+ * -1 on the first call). Also returns "pseudo" perpendiculars; see
+ * PerpType enum.
+ */
+ enum class PerpType {
+ None, /* no perpendicular found */
+ Start, /* start of Pwl is closest point */
+ End, /* end of Pwl is closest point */
+ Vertex, /* vertex of Pwl is closest point */
+ Perpendicular /* true perpendicular found */
+ };
+ PerpType invert(Point const &xy, Point &perp, int &span,
+ const double eps = 1e-6) const;
+ /*
+ * Compute the inverse function. Indicate if it is a proper (true)
+ * inverse, or only a best effort (e.g. input was non-monotonic).
+ */
+ Pwl inverse(bool *trueInverse = nullptr, const double eps = 1e-6) const;
+ /* Compose two Pwls together, doing "this" first and "other" after. */
+ Pwl compose(Pwl const &other, const double eps = 1e-6) const;
+ /* Apply function to (x,y) values at every control point. */
+ void map(std::function<void(double x, double y)> f) const;
+ /*
+ * Apply function to (x, y0, y1) values wherever either Pwl has a
+ * control point.
+ */
+ static void map2(Pwl const &pwl0, Pwl const &pwl1,
+ std::function<void(double x, double y0, double y1)> f);
+ /*
+ * Combine two Pwls, meaning we create a new Pwl where the y values are
+ * given by running f wherever either has a knot.
+ */
+ static Pwl
+ combine(Pwl const &pwl0, Pwl const &pwl1,
+ std::function<double(double x, double y0, double y1)> f,
+ const double eps = 1e-6);
+ /*
+ * Make "this" match (at least) the given domain. Any extension my be
+ * clipped or linear.
+ */
+ void matchDomain(Interval const &domain, bool clip = true,
+ const double eps = 1e-6);
+ Pwl &operator*=(double d);
+ void debug(FILE *fp = stdout) const;
+
+private:
+ int findSpan(double x, int span) const;
+ std::vector<Point> points_;
+};
+
+} /* namespace RPiController */
diff --git a/src/ipa/rpi/controller/region_stats.h b/src/ipa/rpi/controller/region_stats.h
new file mode 100644
index 00000000..c60f7d9a
--- /dev/null
+++ b/src/ipa/rpi/controller/region_stats.h
@@ -0,0 +1,123 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2022, Raspberry Pi Ltd
+ *
+ * Raspberry Pi region based statistics container
+ */
+#pragma once
+
+#include <array>
+#include <stdint.h>
+#include <vector>
+
+#include <libcamera/geometry.h>
+
+namespace RPiController {
+
+template<typename T>
+class RegionStats
+{
+public:
+ struct Region {
+ T val;
+ uint32_t counted;
+ uint32_t uncounted;
+ };
+
+ RegionStats()
+ : size_({}), numFloating_(0), default_({})
+ {
+ }
+
+ void init(const libcamera::Size &size, unsigned int numFloating = 0)
+ {
+ size_ = size;
+ numFloating_ = numFloating;
+ regions_.clear();
+ regions_.resize(size_.width * size_.height + numFloating_);
+ }
+
+ void init(unsigned int num)
+ {
+ size_ = libcamera::Size(num, 1);
+ numFloating_ = 0;
+ regions_.clear();
+ regions_.resize(num);
+ }
+
+ unsigned int numRegions() const
+ {
+ return size_.width * size_.height;
+ }
+
+ unsigned int numFloatingRegions() const
+ {
+ return numFloating_;
+ }
+
+ libcamera::Size size() const
+ {
+ return size_;
+ }
+
+ void set(unsigned int index, const Region &region)
+ {
+ if (index >= numRegions())
+ return;
+ set_(index, region);
+ }
+
+ void set(const libcamera::Point &pos, const Region &region)
+ {
+ set(pos.y * size_.width + pos.x, region);
+ }
+
+ void setFloating(unsigned int index, const Region &region)
+ {
+ if (index >= numFloatingRegions())
+ return;
+ set(numRegions() + index, region);
+ }
+
+ const Region &get(unsigned int index) const
+ {
+ if (index >= numRegions())
+ return default_;
+ return get_(index);
+ }
+
+ const Region &get(const libcamera::Point &pos) const
+ {
+ return get(pos.y * size_.width + pos.x);
+ }
+
+ const Region &getFloating(unsigned int index) const
+ {
+ if (index >= numFloatingRegions())
+ return default_;
+ return get_(numRegions() + index);
+ }
+
+ typename std::vector<Region>::iterator begin() { return regions_.begin(); }
+ typename std::vector<Region>::iterator end() { return regions_.end(); }
+ typename std::vector<Region>::const_iterator begin() const { return regions_.begin(); }
+ typename std::vector<Region>::const_iterator end() const { return regions_.end(); }
+
+private:
+ void set_(unsigned int index, const Region &region)
+ {
+ regions_[index] = region;
+ }
+
+ const Region &get_(unsigned int index) const
+ {
+ return regions_[index];
+ }
+
+ libcamera::Size size_;
+ unsigned int numFloating_;
+ std::vector<Region> regions_;
+ Region default_;
+};
+
+} /* namespace RPiController */
diff --git a/src/ipa/rpi/controller/rpi/af.cpp b/src/ipa/rpi/controller/rpi/af.cpp
new file mode 100644
index 00000000..c5fd8482
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/af.cpp
@@ -0,0 +1,797 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2022-2023, Raspberry Pi Ltd
+ *
+ * Autofocus control algorithm
+ */
+
+#include "af.h"
+
+#include <iomanip>
+#include <math.h>
+#include <stdlib.h>
+
+#include <libcamera/base/log.h>
+
+#include <libcamera/control_ids.h>
+
+using namespace RPiController;
+using namespace libcamera;
+
+LOG_DEFINE_CATEGORY(RPiAf)
+
+#define NAME "rpi.af"
+
+/*
+ * Default values for parameters. All may be overridden in the tuning file.
+ * Many of these values are sensor- or module-dependent; the defaults here
+ * assume IMX708 in a Raspberry Pi V3 camera with the standard lens.
+ *
+ * Here all focus values are in dioptres (1/m). They are converted to hardware
+ * units when written to status.lensSetting or returned from setLensPosition().
+ *
+ * Gain and delay values are relative to the update rate, since much (not all)
+ * of the delay is in the sensor and (for CDAF) ISP, not the lens mechanism;
+ * but note that algorithms are updated at no more than 30 Hz.
+ */
+
+Af::RangeDependentParams::RangeDependentParams()
+ : focusMin(0.0),
+ focusMax(12.0),
+ focusDefault(1.0)
+{
+}
+
+Af::SpeedDependentParams::SpeedDependentParams()
+ : stepCoarse(1.0),
+ stepFine(0.25),
+ contrastRatio(0.75),
+ pdafGain(-0.02),
+ pdafSquelch(0.125),
+ maxSlew(2.0),
+ pdafFrames(20),
+ dropoutFrames(6),
+ stepFrames(4)
+{
+}
+
+Af::CfgParams::CfgParams()
+ : confEpsilon(8),
+ confThresh(16),
+ confClip(512),
+ skipFrames(5),
+ map()
+{
+}
+
+template<typename T>
+static void readNumber(T &dest, const libcamera::YamlObject &params, char const *name)
+{
+ auto value = params[name].get<T>();
+ if (value)
+ dest = *value;
+ else
+ LOG(RPiAf, Warning) << "Missing parameter \"" << name << "\"";
+}
+
+void Af::RangeDependentParams::read(const libcamera::YamlObject &params)
+{
+
+ readNumber<double>(focusMin, params, "min");
+ readNumber<double>(focusMax, params, "max");
+ readNumber<double>(focusDefault, params, "default");
+}
+
+void Af::SpeedDependentParams::read(const libcamera::YamlObject &params)
+{
+ readNumber<double>(stepCoarse, params, "step_coarse");
+ readNumber<double>(stepFine, params, "step_fine");
+ readNumber<double>(contrastRatio, params, "contrast_ratio");
+ readNumber<double>(pdafGain, params, "pdaf_gain");
+ readNumber<double>(pdafSquelch, params, "pdaf_squelch");
+ readNumber<double>(maxSlew, params, "max_slew");
+ readNumber<uint32_t>(pdafFrames, params, "pdaf_frames");
+ readNumber<uint32_t>(dropoutFrames, params, "dropout_frames");
+ readNumber<uint32_t>(stepFrames, params, "step_frames");
+}
+
+int Af::CfgParams::read(const libcamera::YamlObject &params)
+{
+ if (params.contains("ranges")) {
+ auto &rr = params["ranges"];
+
+ if (rr.contains("normal"))
+ ranges[AfRangeNormal].read(rr["normal"]);
+ else
+ LOG(RPiAf, Warning) << "Missing range \"normal\"";
+
+ ranges[AfRangeMacro] = ranges[AfRangeNormal];
+ if (rr.contains("macro"))
+ ranges[AfRangeMacro].read(rr["macro"]);
+
+ ranges[AfRangeFull].focusMin = std::min(ranges[AfRangeNormal].focusMin,
+ ranges[AfRangeMacro].focusMin);
+ ranges[AfRangeFull].focusMax = std::max(ranges[AfRangeNormal].focusMax,
+ ranges[AfRangeMacro].focusMax);
+ ranges[AfRangeFull].focusDefault = ranges[AfRangeNormal].focusDefault;
+ if (rr.contains("full"))
+ ranges[AfRangeFull].read(rr["full"]);
+ } else
+ LOG(RPiAf, Warning) << "No ranges defined";
+
+ if (params.contains("speeds")) {
+ auto &ss = params["speeds"];
+
+ if (ss.contains("normal"))
+ speeds[AfSpeedNormal].read(ss["normal"]);
+ else
+ LOG(RPiAf, Warning) << "Missing speed \"normal\"";
+
+ speeds[AfSpeedFast] = speeds[AfSpeedNormal];
+ if (ss.contains("fast"))
+ speeds[AfSpeedFast].read(ss["fast"]);
+ } else
+ LOG(RPiAf, Warning) << "No speeds defined";
+
+ readNumber<uint32_t>(confEpsilon, params, "conf_epsilon");
+ readNumber<uint32_t>(confThresh, params, "conf_thresh");
+ readNumber<uint32_t>(confClip, params, "conf_clip");
+ readNumber<uint32_t>(skipFrames, params, "skip_frames");
+
+ if (params.contains("map"))
+ map.read(params["map"]);
+ else
+ LOG(RPiAf, Warning) << "No map defined";
+
+ return 0;
+}
+
+void Af::CfgParams::initialise()
+{
+ if (map.empty()) {
+ /* Default mapping from dioptres to hardware setting */
+ static constexpr double DefaultMapX0 = 0.0;
+ static constexpr double DefaultMapY0 = 445.0;
+ static constexpr double DefaultMapX1 = 15.0;
+ static constexpr double DefaultMapY1 = 925.0;
+
+ map.append(DefaultMapX0, DefaultMapY0);
+ map.append(DefaultMapX1, DefaultMapY1);
+ }
+}
+
+/* Af Algorithm class */
+
+static constexpr unsigned MaxWindows = 10;
+
+Af::Af(Controller *controller)
+ : AfAlgorithm(controller),
+ cfg_(),
+ range_(AfRangeNormal),
+ speed_(AfSpeedNormal),
+ mode_(AfAlgorithm::AfModeManual),
+ pauseFlag_(false),
+ statsRegion_(0, 0, 0, 0),
+ windows_(),
+ useWindows_(false),
+ phaseWeights_(),
+ contrastWeights_(),
+ scanState_(ScanState::Idle),
+ initted_(false),
+ ftarget_(-1.0),
+ fsmooth_(-1.0),
+ prevContrast_(0.0),
+ skipCount_(0),
+ stepCount_(0),
+ dropCount_(0),
+ scanMaxContrast_(0.0),
+ scanMinContrast_(1.0e9),
+ scanData_(),
+ reportState_(AfState::Idle)
+{
+ /*
+ * Reserve space for data, to reduce memory fragmentation. It's too early
+ * to query the size of the PDAF (from camera) and Contrast (from ISP)
+ * statistics, but these are plausible upper bounds.
+ */
+ phaseWeights_.w.reserve(16 * 12);
+ contrastWeights_.w.reserve(getHardwareConfig().focusRegions.width *
+ getHardwareConfig().focusRegions.height);
+ scanData_.reserve(32);
+}
+
+Af::~Af()
+{
+}
+
+char const *Af::name() const
+{
+ return NAME;
+}
+
+int Af::read(const libcamera::YamlObject &params)
+{
+ return cfg_.read(params);
+}
+
+void Af::initialise()
+{
+ cfg_.initialise();
+}
+
+void Af::switchMode(CameraMode const &cameraMode, [[maybe_unused]] Metadata *metadata)
+{
+ (void)metadata;
+
+ /* Assume that PDAF and Focus stats grids cover the visible area */
+ statsRegion_.x = (int)cameraMode.cropX;
+ statsRegion_.y = (int)cameraMode.cropY;
+ statsRegion_.width = (unsigned)(cameraMode.width * cameraMode.scaleX);
+ statsRegion_.height = (unsigned)(cameraMode.height * cameraMode.scaleY);
+ LOG(RPiAf, Debug) << "switchMode: statsRegion: "
+ << statsRegion_.x << ','
+ << statsRegion_.y << ','
+ << statsRegion_.width << ','
+ << statsRegion_.height;
+ invalidateWeights();
+
+ if (scanState_ >= ScanState::Coarse && scanState_ < ScanState::Settle) {
+ /*
+ * If a scan was in progress, re-start it, as CDAF statistics
+ * may have changed. Though if the application is just about
+ * to take a still picture, this will not help...
+ */
+ startProgrammedScan();
+ }
+ skipCount_ = cfg_.skipFrames;
+}
+
+void Af::computeWeights(RegionWeights *wgts, unsigned rows, unsigned cols)
+{
+ wgts->rows = rows;
+ wgts->cols = cols;
+ wgts->sum = 0;
+ wgts->w.resize(rows * cols);
+ std::fill(wgts->w.begin(), wgts->w.end(), 0);
+
+ if (rows > 0 && cols > 0 && useWindows_ &&
+ statsRegion_.height >= rows && statsRegion_.width >= cols) {
+ /*
+ * Here we just merge all of the given windows, weighted by area.
+ * \todo Perhaps a better approach might be to find the phase in each
+ * window and choose either the closest or the highest-confidence one?
+ * Ensure weights sum to less than (1<<16). 46080 is a "round number"
+ * below 65536, for better rounding when window size is a simple
+ * fraction of image dimensions.
+ */
+ const unsigned maxCellWeight = 46080u / (MaxWindows * rows * cols);
+ const unsigned cellH = statsRegion_.height / rows;
+ const unsigned cellW = statsRegion_.width / cols;
+ const unsigned cellA = cellH * cellW;
+
+ for (auto &w : windows_) {
+ for (unsigned r = 0; r < rows; ++r) {
+ int y0 = std::max(statsRegion_.y + (int)(cellH * r), w.y);
+ int y1 = std::min(statsRegion_.y + (int)(cellH * (r + 1)),
+ w.y + (int)(w.height));
+ if (y0 >= y1)
+ continue;
+ y1 -= y0;
+ for (unsigned c = 0; c < cols; ++c) {
+ int x0 = std::max(statsRegion_.x + (int)(cellW * c), w.x);
+ int x1 = std::min(statsRegion_.x + (int)(cellW * (c + 1)),
+ w.x + (int)(w.width));
+ if (x0 >= x1)
+ continue;
+ unsigned a = y1 * (x1 - x0);
+ a = (maxCellWeight * a + cellA - 1) / cellA;
+ wgts->w[r * cols + c] += a;
+ wgts->sum += a;
+ }
+ }
+ }
+ }
+
+ if (wgts->sum == 0) {
+ /* Default AF window is the middle 1/2 width of the middle 1/3 height */
+ for (unsigned r = rows / 3; r < rows - rows / 3; ++r) {
+ for (unsigned c = cols / 4; c < cols - cols / 4; ++c) {
+ wgts->w[r * cols + c] = 1;
+ wgts->sum += 1;
+ }
+ }
+ }
+}
+
+void Af::invalidateWeights()
+{
+ phaseWeights_.sum = 0;
+ contrastWeights_.sum = 0;
+}
+
+bool Af::getPhase(PdafRegions const &regions, double &phase, double &conf)
+{
+ libcamera::Size size = regions.size();
+ if (size.height != phaseWeights_.rows || size.width != phaseWeights_.cols ||
+ phaseWeights_.sum == 0) {
+ LOG(RPiAf, Debug) << "Recompute Phase weights " << size.width << 'x' << size.height;
+ computeWeights(&phaseWeights_, size.height, size.width);
+ }
+
+ uint32_t sumWc = 0;
+ int64_t sumWcp = 0;
+ for (unsigned i = 0; i < regions.numRegions(); ++i) {
+ unsigned w = phaseWeights_.w[i];
+ if (w) {
+ const PdafData &data = regions.get(i).val;
+ unsigned c = data.conf;
+ if (c >= cfg_.confThresh) {
+ if (c > cfg_.confClip)
+ c = cfg_.confClip;
+ c -= (cfg_.confThresh >> 2);
+ sumWc += w * c;
+ c -= (cfg_.confThresh >> 2);
+ sumWcp += (int64_t)(w * c) * (int64_t)data.phase;
+ }
+ }
+ }
+
+ if (0 < phaseWeights_.sum && phaseWeights_.sum <= sumWc) {
+ phase = (double)sumWcp / (double)sumWc;
+ conf = (double)sumWc / (double)phaseWeights_.sum;
+ return true;
+ } else {
+ phase = 0.0;
+ conf = 0.0;
+ return false;
+ }
+}
+
+double Af::getContrast(const FocusRegions &focusStats)
+{
+ libcamera::Size size = focusStats.size();
+ if (size.height != contrastWeights_.rows ||
+ size.width != contrastWeights_.cols || contrastWeights_.sum == 0) {
+ LOG(RPiAf, Debug) << "Recompute Contrast weights "
+ << size.width << 'x' << size.height;
+ computeWeights(&contrastWeights_, size.height, size.width);
+ }
+
+ uint64_t sumWc = 0;
+ for (unsigned i = 0; i < focusStats.numRegions(); ++i)
+ sumWc += contrastWeights_.w[i] * focusStats.get(i).val;
+
+ return (contrastWeights_.sum > 0) ? ((double)sumWc / (double)contrastWeights_.sum) : 0.0;
+}
+
+void Af::doPDAF(double phase, double conf)
+{
+ /* Apply loop gain */
+ phase *= cfg_.speeds[speed_].pdafGain;
+
+ if (mode_ == AfModeContinuous) {
+ /*
+ * PDAF in Continuous mode. Scale down lens movement when
+ * delta is small or confidence is low, to suppress wobble.
+ */
+ phase *= conf / (conf + cfg_.confEpsilon);
+ if (std::abs(phase) < cfg_.speeds[speed_].pdafSquelch) {
+ double a = phase / cfg_.speeds[speed_].pdafSquelch;
+ phase *= a * a;
+ }
+ } else {
+ /*
+ * PDAF in triggered-auto mode. Allow early termination when
+ * phase delta is small; scale down lens movements towards
+ * the end of the sequence, to ensure a stable image.
+ */
+ if (stepCount_ >= cfg_.speeds[speed_].stepFrames) {
+ if (std::abs(phase) < cfg_.speeds[speed_].pdafSquelch)
+ stepCount_ = cfg_.speeds[speed_].stepFrames;
+ } else
+ phase *= stepCount_ / cfg_.speeds[speed_].stepFrames;
+ }
+
+ /* Apply slew rate limit. Report failure if out of bounds. */
+ if (phase < -cfg_.speeds[speed_].maxSlew) {
+ phase = -cfg_.speeds[speed_].maxSlew;
+ reportState_ = (ftarget_ <= cfg_.ranges[range_].focusMin) ? AfState::Failed
+ : AfState::Scanning;
+ } else if (phase > cfg_.speeds[speed_].maxSlew) {
+ phase = cfg_.speeds[speed_].maxSlew;
+ reportState_ = (ftarget_ >= cfg_.ranges[range_].focusMax) ? AfState::Failed
+ : AfState::Scanning;
+ } else
+ reportState_ = AfState::Focused;
+
+ ftarget_ = fsmooth_ + phase;
+}
+
+bool Af::earlyTerminationByPhase(double phase)
+{
+ if (scanData_.size() > 0 &&
+ scanData_[scanData_.size() - 1].conf >= cfg_.confEpsilon) {
+ double oldFocus = scanData_[scanData_.size() - 1].focus;
+ double oldPhase = scanData_[scanData_.size() - 1].phase;
+
+ /*
+ * Check that the gradient is finite and has the expected sign;
+ * Interpolate/extrapolate the lens position for zero phase.
+ * Check that the extrapolation is well-conditioned.
+ */
+ if ((ftarget_ - oldFocus) * (phase - oldPhase) > 0.0) {
+ double param = phase / (phase - oldPhase);
+ if (-3.0 <= param && param <= 3.5) {
+ ftarget_ += param * (oldFocus - ftarget_);
+ LOG(RPiAf, Debug) << "ETBP: param=" << param;
+ return true;
+ }
+ }
+ }
+
+ return false;
+}
+
+double Af::findPeak(unsigned i) const
+{
+ double f = scanData_[i].focus;
+
+ if (i > 0 && i + 1 < scanData_.size()) {
+ double dropLo = scanData_[i].contrast - scanData_[i - 1].contrast;
+ double dropHi = scanData_[i].contrast - scanData_[i + 1].contrast;
+ if (0.0 <= dropLo && dropLo < dropHi) {
+ double param = 0.3125 * (1.0 - dropLo / dropHi) * (1.6 - dropLo / dropHi);
+ f += param * (scanData_[i - 1].focus - f);
+ } else if (0.0 <= dropHi && dropHi < dropLo) {
+ double param = 0.3125 * (1.0 - dropHi / dropLo) * (1.6 - dropHi / dropLo);
+ f += param * (scanData_[i + 1].focus - f);
+ }
+ }
+
+ LOG(RPiAf, Debug) << "FindPeak: " << f;
+ return f;
+}
+
+void Af::doScan(double contrast, double phase, double conf)
+{
+ /* Record lens position, contrast and phase values for the current scan */
+ if (scanData_.empty() || contrast > scanMaxContrast_) {
+ scanMaxContrast_ = contrast;
+ scanMaxIndex_ = scanData_.size();
+ }
+ if (contrast < scanMinContrast_)
+ scanMinContrast_ = contrast;
+ scanData_.emplace_back(ScanRecord{ ftarget_, contrast, phase, conf });
+
+ if (scanState_ == ScanState::Coarse) {
+ if (ftarget_ >= cfg_.ranges[range_].focusMax ||
+ contrast < cfg_.speeds[speed_].contrastRatio * scanMaxContrast_) {
+ /*
+ * Finished course scan, or termination based on contrast.
+ * Jump to just after max contrast and start fine scan.
+ */
+ ftarget_ = std::min(ftarget_, findPeak(scanMaxIndex_) +
+ 2.0 * cfg_.speeds[speed_].stepFine);
+ scanState_ = ScanState::Fine;
+ scanData_.clear();
+ } else
+ ftarget_ += cfg_.speeds[speed_].stepCoarse;
+ } else { /* ScanState::Fine */
+ if (ftarget_ <= cfg_.ranges[range_].focusMin || scanData_.size() >= 5 ||
+ contrast < cfg_.speeds[speed_].contrastRatio * scanMaxContrast_) {
+ /*
+ * Finished fine scan, or termination based on contrast.
+ * Use quadratic peak-finding to find best contrast position.
+ */
+ ftarget_ = findPeak(scanMaxIndex_);
+ scanState_ = ScanState::Settle;
+ } else
+ ftarget_ -= cfg_.speeds[speed_].stepFine;
+ }
+
+ stepCount_ = (ftarget_ == fsmooth_) ? 0 : cfg_.speeds[speed_].stepFrames;
+}
+
+void Af::doAF(double contrast, double phase, double conf)
+{
+ /* Skip frames at startup and after sensor mode change */
+ if (skipCount_ > 0) {
+ LOG(RPiAf, Debug) << "SKIP";
+ skipCount_--;
+ return;
+ }
+
+ if (scanState_ == ScanState::Pdaf) {
+ /*
+ * Use PDAF closed-loop control whenever available, in both CAF
+ * mode and (for a limited number of iterations) when triggered.
+ * If PDAF fails (due to poor contrast, noise or large defocus),
+ * fall back to a CDAF-based scan. To avoid "nuisance" scans,
+ * scan only after a number of frames with low PDAF confidence.
+ */
+ if (conf > (dropCount_ ? 1.0 : 0.25) * cfg_.confEpsilon) {
+ doPDAF(phase, conf);
+ if (stepCount_ > 0)
+ stepCount_--;
+ else if (mode_ != AfModeContinuous)
+ scanState_ = ScanState::Idle;
+ dropCount_ = 0;
+ } else if (++dropCount_ == cfg_.speeds[speed_].dropoutFrames)
+ startProgrammedScan();
+ } else if (scanState_ >= ScanState::Coarse && fsmooth_ == ftarget_) {
+ /*
+ * Scanning sequence. This means PDAF has become unavailable.
+ * Allow a delay between steps for CDAF FoM statistics to be
+ * updated, and a "settling time" at the end of the sequence.
+ * [A coarse or fine scan can be abandoned if two PDAF samples
+ * allow direct interpolation of the zero-phase lens position.]
+ */
+ if (stepCount_ > 0)
+ stepCount_--;
+ else if (scanState_ == ScanState::Settle) {
+ if (prevContrast_ >= cfg_.speeds[speed_].contrastRatio * scanMaxContrast_ &&
+ scanMinContrast_ <= cfg_.speeds[speed_].contrastRatio * scanMaxContrast_)
+ reportState_ = AfState::Focused;
+ else
+ reportState_ = AfState::Failed;
+ if (mode_ == AfModeContinuous && !pauseFlag_ &&
+ cfg_.speeds[speed_].dropoutFrames > 0)
+ scanState_ = ScanState::Pdaf;
+ else
+ scanState_ = ScanState::Idle;
+ scanData_.clear();
+ } else if (conf >= cfg_.confEpsilon && earlyTerminationByPhase(phase)) {
+ scanState_ = ScanState::Settle;
+ stepCount_ = (mode_ == AfModeContinuous) ? 0
+ : cfg_.speeds[speed_].stepFrames;
+ } else
+ doScan(contrast, phase, conf);
+ }
+}
+
+void Af::updateLensPosition()
+{
+ if (scanState_ >= ScanState::Pdaf) {
+ ftarget_ = std::clamp(ftarget_,
+ cfg_.ranges[range_].focusMin,
+ cfg_.ranges[range_].focusMax);
+ }
+
+ if (initted_) {
+ /* from a known lens position: apply slew rate limit */
+ fsmooth_ = std::clamp(ftarget_,
+ fsmooth_ - cfg_.speeds[speed_].maxSlew,
+ fsmooth_ + cfg_.speeds[speed_].maxSlew);
+ } else {
+ /* from an unknown position: go straight to target, but add delay */
+ fsmooth_ = ftarget_;
+ initted_ = true;
+ skipCount_ = cfg_.skipFrames;
+ }
+}
+
+void Af::startAF()
+{
+ /* Use PDAF if the tuning file allows it; else CDAF. */
+ if (cfg_.speeds[speed_].dropoutFrames > 0 &&
+ (mode_ == AfModeContinuous || cfg_.speeds[speed_].pdafFrames > 0)) {
+ if (!initted_) {
+ ftarget_ = cfg_.ranges[range_].focusDefault;
+ updateLensPosition();
+ }
+ stepCount_ = (mode_ == AfModeContinuous) ? 0 : cfg_.speeds[speed_].pdafFrames;
+ scanState_ = ScanState::Pdaf;
+ scanData_.clear();
+ dropCount_ = 0;
+ reportState_ = AfState::Scanning;
+ } else
+ startProgrammedScan();
+}
+
+void Af::startProgrammedScan()
+{
+ ftarget_ = cfg_.ranges[range_].focusMin;
+ updateLensPosition();
+ scanState_ = ScanState::Coarse;
+ scanMaxContrast_ = 0.0;
+ scanMinContrast_ = 1.0e9;
+ scanMaxIndex_ = 0;
+ scanData_.clear();
+ stepCount_ = cfg_.speeds[speed_].stepFrames;
+ reportState_ = AfState::Scanning;
+}
+
+void Af::goIdle()
+{
+ scanState_ = ScanState::Idle;
+ reportState_ = AfState::Idle;
+ scanData_.clear();
+}
+
+/*
+ * PDAF phase data are available in prepare(), but CDAF statistics are not
+ * available until process(). We are gambling on the availability of PDAF.
+ * To expedite feedback control using PDAF, issue the V4L2 lens control from
+ * prepare(). Conversely, during scans, we must allow an extra frame delay
+ * between steps, to retrieve CDAF statistics from the previous process()
+ * so we can terminate the scan early without having to change our minds.
+ */
+
+void Af::prepare(Metadata *imageMetadata)
+{
+ /* Initialize for triggered scan or start of CAF mode */
+ if (scanState_ == ScanState::Trigger)
+ startAF();
+
+ if (initted_) {
+ /* Get PDAF from the embedded metadata, and run AF algorithm core */
+ PdafRegions regions;
+ double phase = 0.0, conf = 0.0;
+ double oldFt = ftarget_;
+ double oldFs = fsmooth_;
+ ScanState oldSs = scanState_;
+ uint32_t oldSt = stepCount_;
+ if (imageMetadata->get("pdaf.regions", regions) == 0)
+ getPhase(regions, phase, conf);
+ doAF(prevContrast_, phase, conf);
+ updateLensPosition();
+ LOG(RPiAf, Debug) << std::fixed << std::setprecision(2)
+ << static_cast<unsigned int>(reportState_)
+ << " sst" << static_cast<unsigned int>(oldSs)
+ << "->" << static_cast<unsigned int>(scanState_)
+ << " stp" << oldSt << "->" << stepCount_
+ << " ft" << oldFt << "->" << ftarget_
+ << " fs" << oldFs << "->" << fsmooth_
+ << " cont=" << (int)prevContrast_
+ << " phase=" << (int)phase << " conf=" << (int)conf;
+ }
+
+ /* Report status and produce new lens setting */
+ AfStatus status;
+ if (pauseFlag_)
+ status.pauseState = (scanState_ == ScanState::Idle) ? AfPauseState::Paused
+ : AfPauseState::Pausing;
+ else
+ status.pauseState = AfPauseState::Running;
+
+ if (mode_ == AfModeAuto && scanState_ != ScanState::Idle)
+ status.state = AfState::Scanning;
+ else
+ status.state = reportState_;
+ status.lensSetting = initted_ ? std::optional<int>(cfg_.map.eval(fsmooth_))
+ : std::nullopt;
+ imageMetadata->set("af.status", status);
+}
+
+void Af::process(StatisticsPtr &stats, [[maybe_unused]] Metadata *imageMetadata)
+{
+ (void)imageMetadata;
+ prevContrast_ = getContrast(stats->focusRegions);
+}
+
+/* Controls */
+
+void Af::setRange(AfRange r)
+{
+ LOG(RPiAf, Debug) << "setRange: " << (unsigned)r;
+ if (r < AfAlgorithm::AfRangeMax)
+ range_ = r;
+}
+
+void Af::setSpeed(AfSpeed s)
+{
+ LOG(RPiAf, Debug) << "setSpeed: " << (unsigned)s;
+ if (s < AfAlgorithm::AfSpeedMax) {
+ if (scanState_ == ScanState::Pdaf &&
+ cfg_.speeds[s].pdafFrames > cfg_.speeds[speed_].pdafFrames)
+ stepCount_ += cfg_.speeds[s].pdafFrames - cfg_.speeds[speed_].pdafFrames;
+ speed_ = s;
+ }
+}
+
+void Af::setMetering(bool mode)
+{
+ if (useWindows_ != mode) {
+ useWindows_ = mode;
+ invalidateWeights();
+ }
+}
+
+void Af::setWindows(libcamera::Span<libcamera::Rectangle const> const &wins)
+{
+ windows_.clear();
+ for (auto &w : wins) {
+ LOG(RPiAf, Debug) << "Window: "
+ << w.x << ", "
+ << w.y << ", "
+ << w.width << ", "
+ << w.height;
+ windows_.push_back(w);
+ if (windows_.size() >= MaxWindows)
+ break;
+ }
+
+ if (useWindows_)
+ invalidateWeights();
+}
+
+bool Af::setLensPosition(double dioptres, int *hwpos)
+{
+ bool changed = false;
+
+ if (mode_ == AfModeManual) {
+ LOG(RPiAf, Debug) << "setLensPosition: " << dioptres;
+ ftarget_ = cfg_.map.domain().clip(dioptres);
+ changed = !(initted_ && fsmooth_ == ftarget_);
+ updateLensPosition();
+ }
+
+ if (hwpos)
+ *hwpos = cfg_.map.eval(fsmooth_);
+
+ return changed;
+}
+
+std::optional<double> Af::getLensPosition() const
+{
+ /*
+ * \todo We ought to perform some precise timing here to determine
+ * the current lens position.
+ */
+ return initted_ ? std::optional<double>(fsmooth_) : std::nullopt;
+}
+
+void Af::cancelScan()
+{
+ LOG(RPiAf, Debug) << "cancelScan";
+ if (mode_ == AfModeAuto)
+ goIdle();
+}
+
+void Af::triggerScan()
+{
+ LOG(RPiAf, Debug) << "triggerScan";
+ if (mode_ == AfModeAuto && scanState_ == ScanState::Idle)
+ scanState_ = ScanState::Trigger;
+}
+
+void Af::setMode(AfAlgorithm::AfMode mode)
+{
+ LOG(RPiAf, Debug) << "setMode: " << (unsigned)mode;
+ if (mode_ != mode) {
+ mode_ = mode;
+ pauseFlag_ = false;
+ if (mode == AfModeContinuous)
+ scanState_ = ScanState::Trigger;
+ else if (mode != AfModeAuto || scanState_ < ScanState::Coarse)
+ goIdle();
+ }
+}
+
+AfAlgorithm::AfMode Af::getMode() const
+{
+ return mode_;
+}
+
+void Af::pause(AfAlgorithm::AfPause pause)
+{
+ LOG(RPiAf, Debug) << "pause: " << (unsigned)pause;
+ if (mode_ == AfModeContinuous) {
+ if (pause == AfPauseResume && pauseFlag_) {
+ pauseFlag_ = false;
+ if (scanState_ < ScanState::Coarse)
+ scanState_ = ScanState::Trigger;
+ } else if (pause != AfPauseResume && !pauseFlag_) {
+ pauseFlag_ = true;
+ if (pause == AfPauseImmediate || scanState_ < ScanState::Coarse)
+ goIdle();
+ }
+ }
+}
+
+// Register algorithm with the system.
+static Algorithm *create(Controller *controller)
+{
+ return (Algorithm *)new Af(controller);
+}
+static RegisterAlgorithm reg(NAME, &create);
diff --git a/src/ipa/rpi/controller/rpi/af.h b/src/ipa/rpi/controller/rpi/af.h
new file mode 100644
index 00000000..2617e2ac
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/af.h
@@ -0,0 +1,165 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2022-2023, Raspberry Pi Ltd
+ *
+ * Autofocus control algorithm
+ */
+#pragma once
+
+#include "../af_algorithm.h"
+#include "../af_status.h"
+#include "../pdaf_data.h"
+#include "../pwl.h"
+
+/*
+ * This algorithm implements a hybrid of CDAF and PDAF, favouring PDAF.
+ *
+ * Whenever PDAF is available, it is used in a continuous feedback loop.
+ * When triggered in auto mode, we simply enable AF for a limited number
+ * of frames (it may terminate early if the delta becomes small enough).
+ *
+ * When PDAF confidence is low (due e.g. to low contrast or extreme defocus)
+ * or PDAF data are absent, fall back to CDAF with a programmed scan pattern.
+ * A coarse and fine scan are performed, using ISP's CDAF focus FoM to
+ * estimate the lens position with peak contrast. This is slower due to
+ * extra latency in the ISP, and requires a settling time between steps.
+ *
+ * Some hysteresis is applied to the switch between PDAF and CDAF, to avoid
+ * "nuisance" scans. During each interval where PDAF is not working, only
+ * ONE scan will be performed; CAF cannot track objects using CDAF alone.
+ *
+ */
+
+namespace RPiController {
+
+class Af : public AfAlgorithm
+{
+public:
+ Af(Controller *controller = NULL);
+ ~Af();
+ char const *name() const override;
+ int read(const libcamera::YamlObject &params) override;
+ void initialise() override;
+
+ /* IPA calls */
+ void switchMode(CameraMode const &cameraMode, Metadata *metadata) override;
+ void prepare(Metadata *imageMetadata) override;
+ void process(StatisticsPtr &stats, Metadata *imageMetadata) override;
+
+ /* controls */
+ void setRange(AfRange range) override;
+ void setSpeed(AfSpeed speed) override;
+ void setMetering(bool use_windows) override;
+ void setWindows(libcamera::Span<libcamera::Rectangle const> const &wins) override;
+ void setMode(AfMode mode) override;
+ AfMode getMode() const override;
+ bool setLensPosition(double dioptres, int32_t *hwpos) override;
+ std::optional<double> getLensPosition() const override;
+ void triggerScan() override;
+ void cancelScan() override;
+ void pause(AfPause pause) override;
+
+private:
+ enum class ScanState {
+ Idle = 0,
+ Trigger,
+ Pdaf,
+ Coarse,
+ Fine,
+ Settle
+ };
+
+ struct RangeDependentParams {
+ double focusMin; /* lower (far) limit in dipotres */
+ double focusMax; /* upper (near) limit in dioptres */
+ double focusDefault; /* default setting ("hyperfocal") */
+
+ RangeDependentParams();
+ void read(const libcamera::YamlObject &params);
+ };
+
+ struct SpeedDependentParams {
+ double stepCoarse; /* used for scans */
+ double stepFine; /* used for scans */
+ double contrastRatio; /* used for scan termination and reporting */
+ double pdafGain; /* coefficient for PDAF feedback loop */
+ double pdafSquelch; /* PDAF stability parameter (device-specific) */
+ double maxSlew; /* limit for lens movement per frame */
+ uint32_t pdafFrames; /* number of iterations when triggered */
+ uint32_t dropoutFrames; /* number of non-PDAF frames to switch to CDAF */
+ uint32_t stepFrames; /* frames to skip in between steps of a scan */
+
+ SpeedDependentParams();
+ void read(const libcamera::YamlObject &params);
+ };
+
+ struct CfgParams {
+ RangeDependentParams ranges[AfRangeMax];
+ SpeedDependentParams speeds[AfSpeedMax];
+ uint32_t confEpsilon; /* PDAF hysteresis threshold (sensor-specific) */
+ uint32_t confThresh; /* PDAF confidence cell min (sensor-specific) */
+ uint32_t confClip; /* PDAF confidence cell max (sensor-specific) */
+ uint32_t skipFrames; /* frames to skip at start or modeswitch */
+ Pwl map; /* converts dioptres -> lens driver position */
+
+ CfgParams();
+ int read(const libcamera::YamlObject &params);
+ void initialise();
+ };
+
+ struct ScanRecord {
+ double focus;
+ double contrast;
+ double phase;
+ double conf;
+ };
+
+ struct RegionWeights {
+ unsigned rows;
+ unsigned cols;
+ uint32_t sum;
+ std::vector<uint16_t> w;
+
+ RegionWeights()
+ : rows(0), cols(0), sum(0), w() {}
+ };
+
+ void computeWeights(RegionWeights *wgts, unsigned rows, unsigned cols);
+ void invalidateWeights();
+ bool getPhase(PdafRegions const &regions, double &phase, double &conf);
+ double getContrast(const FocusRegions &focusStats);
+ void doPDAF(double phase, double conf);
+ bool earlyTerminationByPhase(double phase);
+ double findPeak(unsigned index) const;
+ void doScan(double contrast, double phase, double conf);
+ void doAF(double contrast, double phase, double conf);
+ void updateLensPosition();
+ void startAF();
+ void startProgrammedScan();
+ void goIdle();
+
+ /* Configuration and settings */
+ CfgParams cfg_;
+ AfRange range_;
+ AfSpeed speed_;
+ AfMode mode_;
+ bool pauseFlag_;
+ libcamera::Rectangle statsRegion_;
+ std::vector<libcamera::Rectangle> windows_;
+ bool useWindows_;
+ RegionWeights phaseWeights_;
+ RegionWeights contrastWeights_;
+
+ /* Working state. */
+ ScanState scanState_;
+ bool initted_;
+ double ftarget_, fsmooth_;
+ double prevContrast_;
+ unsigned skipCount_, stepCount_, dropCount_;
+ unsigned scanMaxIndex_;
+ double scanMaxContrast_, scanMinContrast_;
+ std::vector<ScanRecord> scanData_;
+ AfState reportState_;
+};
+
+} // namespace RPiController
diff --git a/src/ipa/rpi/controller/rpi/agc.cpp b/src/ipa/rpi/controller/rpi/agc.cpp
new file mode 100644
index 00000000..fcf7aec9
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/agc.cpp
@@ -0,0 +1,338 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * AGC/AEC control algorithm
+ */
+
+#include "agc.h"
+
+#include <libcamera/base/log.h>
+
+#include "../metadata.h"
+
+using namespace RPiController;
+using namespace libcamera;
+using libcamera::utils::Duration;
+using namespace std::literals::chrono_literals;
+
+LOG_DEFINE_CATEGORY(RPiAgc)
+
+#define NAME "rpi.agc"
+
+Agc::Agc(Controller *controller)
+ : AgcAlgorithm(controller),
+ activeChannels_({ 0 }), index_(0)
+{
+}
+
+char const *Agc::name() const
+{
+ return NAME;
+}
+
+int Agc::read(const libcamera::YamlObject &params)
+{
+ /*
+ * When there is only a single channel we can read the old style syntax.
+ * Otherwise we expect a "channels" keyword followed by a list of configurations.
+ */
+ if (!params.contains("channels")) {
+ LOG(RPiAgc, Debug) << "Single channel only";
+ channelTotalExposures_.resize(1, 0s);
+ channelData_.emplace_back();
+ return channelData_.back().channel.read(params, getHardwareConfig());
+ }
+
+ const auto &channels = params["channels"].asList();
+ for (auto ch = channels.begin(); ch != channels.end(); ch++) {
+ LOG(RPiAgc, Debug) << "Read AGC channel";
+ channelData_.emplace_back();
+ int ret = channelData_.back().channel.read(*ch, getHardwareConfig());
+ if (ret)
+ return ret;
+ }
+
+ LOG(RPiAgc, Debug) << "Read " << channelData_.size() << " channel(s)";
+ if (channelData_.empty()) {
+ LOG(RPiAgc, Error) << "No AGC channels provided";
+ return -1;
+ }
+
+ channelTotalExposures_.resize(channelData_.size(), 0s);
+
+ return 0;
+}
+
+int Agc::checkChannel(unsigned int channelIndex) const
+{
+ if (channelIndex >= channelData_.size()) {
+ LOG(RPiAgc, Warning) << "AGC channel " << channelIndex << " not available";
+ return -1;
+ }
+
+ return 0;
+}
+
+void Agc::disableAuto()
+{
+ LOG(RPiAgc, Debug) << "disableAuto";
+
+ /* All channels are enabled/disabled together. */
+ for (auto &data : channelData_)
+ data.channel.disableAuto();
+}
+
+void Agc::enableAuto()
+{
+ LOG(RPiAgc, Debug) << "enableAuto";
+
+ /* All channels are enabled/disabled together. */
+ for (auto &data : channelData_)
+ data.channel.enableAuto();
+}
+
+unsigned int Agc::getConvergenceFrames() const
+{
+ /* If there are n channels, it presumably takes n times as long to converge. */
+ return channelData_[0].channel.getConvergenceFrames() * activeChannels_.size();
+}
+
+std::vector<double> const &Agc::getWeights() const
+{
+ /*
+ * In future the metering weights may be determined differently, making it
+ * difficult to associate different sets of weight with different channels.
+ * Therefore we shall impose a limitation, at least for now, that all
+ * channels will use the same weights.
+ */
+ return channelData_[0].channel.getWeights();
+}
+
+void Agc::setEv(unsigned int channelIndex, double ev)
+{
+ if (checkChannel(channelIndex))
+ return;
+
+ LOG(RPiAgc, Debug) << "setEv " << ev << " for channel " << channelIndex;
+ channelData_[channelIndex].channel.setEv(ev);
+}
+
+void Agc::setFlickerPeriod(Duration flickerPeriod)
+{
+ LOG(RPiAgc, Debug) << "setFlickerPeriod " << flickerPeriod;
+
+ /* Flicker period will be the same across all channels. */
+ for (auto &data : channelData_)
+ data.channel.setFlickerPeriod(flickerPeriod);
+}
+
+void Agc::setMaxShutter(Duration maxShutter)
+{
+ /* Frame durations will be the same across all channels too. */
+ for (auto &data : channelData_)
+ data.channel.setMaxShutter(maxShutter);
+}
+
+void Agc::setFixedShutter(unsigned int channelIndex, Duration fixedShutter)
+{
+ if (checkChannel(channelIndex))
+ return;
+
+ LOG(RPiAgc, Debug) << "setFixedShutter " << fixedShutter
+ << " for channel " << channelIndex;
+ channelData_[channelIndex].channel.setFixedShutter(fixedShutter);
+}
+
+void Agc::setFixedAnalogueGain(unsigned int channelIndex, double fixedAnalogueGain)
+{
+ if (checkChannel(channelIndex))
+ return;
+
+ LOG(RPiAgc, Debug) << "setFixedAnalogueGain " << fixedAnalogueGain
+ << " for channel " << channelIndex;
+ channelData_[channelIndex].channel.setFixedAnalogueGain(fixedAnalogueGain);
+}
+
+void Agc::setMeteringMode(std::string const &meteringModeName)
+{
+ /* Metering modes will be the same across all channels too. */
+ for (auto &data : channelData_)
+ data.channel.setMeteringMode(meteringModeName);
+}
+
+void Agc::setExposureMode(std::string const &exposureModeName)
+{
+ LOG(RPiAgc, Debug) << "setExposureMode " << exposureModeName;
+
+ /* Exposure mode will be the same across all channels. */
+ for (auto &data : channelData_)
+ data.channel.setExposureMode(exposureModeName);
+}
+
+void Agc::setConstraintMode(std::string const &constraintModeName)
+{
+ LOG(RPiAgc, Debug) << "setConstraintMode " << constraintModeName;
+
+ /* Constraint mode will be the same across all channels. */
+ for (auto &data : channelData_)
+ data.channel.setConstraintMode(constraintModeName);
+}
+
+template<typename T>
+std::ostream &operator<<(std::ostream &os, const std::vector<T> &v)
+{
+ os << "{";
+ for (const auto &e : v)
+ os << " " << e;
+ os << " }";
+ return os;
+}
+
+void Agc::setActiveChannels(const std::vector<unsigned int> &activeChannels)
+{
+ if (activeChannels.empty()) {
+ LOG(RPiAgc, Warning) << "No active AGC channels supplied";
+ return;
+ }
+
+ for (auto index : activeChannels)
+ if (checkChannel(index))
+ return;
+
+ LOG(RPiAgc, Debug) << "setActiveChannels " << activeChannels;
+ activeChannels_ = activeChannels;
+ index_ = 0;
+}
+
+void Agc::switchMode(CameraMode const &cameraMode,
+ Metadata *metadata)
+{
+ /*
+ * We run switchMode on every channel, and then we're going to start over
+ * with the first active channel again which means that this channel's
+ * status needs to be the one we leave in the metadata.
+ */
+ AgcStatus status;
+
+ for (unsigned int channelIndex = 0; channelIndex < channelData_.size(); channelIndex++) {
+ LOG(RPiAgc, Debug) << "switchMode for channel " << channelIndex;
+ channelData_[channelIndex].channel.switchMode(cameraMode, metadata);
+ if (channelIndex == activeChannels_[0])
+ metadata->get("agc.status", status);
+ }
+
+ status.channel = activeChannels_[0];
+ metadata->set("agc.status", status);
+ index_ = 0;
+}
+
+static void getDelayedChannelIndex(Metadata *metadata, const char *message, unsigned int &channelIndex)
+{
+ std::unique_lock<RPiController::Metadata> lock(*metadata);
+ AgcStatus *status = metadata->getLocked<AgcStatus>("agc.delayed_status");
+ if (status)
+ channelIndex = status->channel;
+ else {
+ /* This does happen at startup, otherwise it would be a Warning or Error. */
+ LOG(RPiAgc, Debug) << message;
+ }
+}
+
+static libcamera::utils::Duration
+setCurrentChannelIndexGetExposure(Metadata *metadata, const char *message, unsigned int channelIndex)
+{
+ std::unique_lock<RPiController::Metadata> lock(*metadata);
+ AgcStatus *status = metadata->getLocked<AgcStatus>("agc.status");
+ libcamera::utils::Duration dur = 0s;
+
+ if (status) {
+ status->channel = channelIndex;
+ dur = status->totalExposureValue;
+ } else {
+ /* This does happen at startup, otherwise it would be a Warning or Error. */
+ LOG(RPiAgc, Debug) << message;
+ }
+
+ return dur;
+}
+
+void Agc::prepare(Metadata *imageMetadata)
+{
+ /*
+ * The DeviceStatus in the metadata should be correct for the image we
+ * are processing. The delayed status should tell us what channel this frame
+ * was from, so we will use that channel's prepare method.
+ *
+ * \todo To be honest, there's not much that's stateful in the prepare methods
+ * so we should perhaps re-evaluate whether prepare even needs to be done
+ * "per channel".
+ */
+ unsigned int channelIndex = activeChannels_[0];
+ getDelayedChannelIndex(imageMetadata, "prepare: no delayed status", channelIndex);
+
+ LOG(RPiAgc, Debug) << "prepare for channel " << channelIndex;
+ channelData_[channelIndex].channel.prepare(imageMetadata);
+}
+
+void Agc::process(StatisticsPtr &stats, Metadata *imageMetadata)
+{
+ /*
+ * We want to generate values for the next channel in round robin fashion
+ * (i.e. the channel at location index_ in the activeChannel list), even though
+ * the statistics we have will be for a different channel (which we find
+ * again from the delayed status).
+ */
+
+ /* Generate updated AGC values for channel for new channel that we are requesting. */
+ unsigned int channelIndex = activeChannels_[index_];
+ AgcChannelData &channelData = channelData_[channelIndex];
+ /* The stats that arrived with this image correspond to the following channel. */
+ unsigned int statsIndex = 0;
+ getDelayedChannelIndex(imageMetadata, "process: no delayed status for stats", statsIndex);
+ LOG(RPiAgc, Debug) << "process for channel " << channelIndex;
+
+ /*
+ * We keep a cache of the most recent DeviceStatus and stats for each channel,
+ * so that we can invoke the next channel's process method with the most up to date
+ * values.
+ */
+ LOG(RPiAgc, Debug) << "Save DeviceStatus and stats for channel " << statsIndex;
+ DeviceStatus deviceStatus;
+ if (imageMetadata->get<DeviceStatus>("device.status", deviceStatus) == 0)
+ channelData_[statsIndex].deviceStatus = deviceStatus;
+ else
+ /* Every frame should have a DeviceStatus. */
+ LOG(RPiAgc, Error) << "process: no device status found";
+ channelData_[statsIndex].statistics = stats;
+
+ /*
+ * Finally fetch the most recent DeviceStatus and stats for the new channel, if both
+ * exist, and call process(). We must make the agc.status metadata record correctly
+ * which channel this is.
+ */
+ StatisticsPtr *statsPtr = &stats;
+ if (channelData.statistics && channelData.deviceStatus) {
+ deviceStatus = *channelData.deviceStatus;
+ statsPtr = &channelData.statistics;
+ } else {
+ /* Can also happen when new channels start. */
+ LOG(RPiAgc, Debug) << "process: channel " << channelIndex << " not seen yet";
+ }
+
+ channelData.channel.process(*statsPtr, deviceStatus, imageMetadata, channelTotalExposures_);
+ auto dur = setCurrentChannelIndexGetExposure(imageMetadata, "process: no AGC status found",
+ channelIndex);
+ if (dur)
+ channelTotalExposures_[channelIndex] = dur;
+
+ /* And onto the next channel for the next call. */
+ index_ = (index_ + 1) % activeChannels_.size();
+}
+
+/* Register algorithm with the system. */
+static Algorithm *create(Controller *controller)
+{
+ return (Algorithm *)new Agc(controller);
+}
+static RegisterAlgorithm reg(NAME, &create);
diff --git a/src/ipa/rpi/controller/rpi/agc.h b/src/ipa/rpi/controller/rpi/agc.h
new file mode 100644
index 00000000..5d056f02
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/agc.h
@@ -0,0 +1,58 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * AGC/AEC control algorithm
+ */
+#pragma once
+
+#include <optional>
+#include <string>
+#include <vector>
+
+#include "../agc_algorithm.h"
+
+#include "agc_channel.h"
+
+namespace RPiController {
+
+struct AgcChannelData {
+ AgcChannel channel;
+ std::optional<DeviceStatus> deviceStatus;
+ StatisticsPtr statistics;
+};
+
+class Agc : public AgcAlgorithm
+{
+public:
+ Agc(Controller *controller);
+ char const *name() const override;
+ int read(const libcamera::YamlObject &params) override;
+ unsigned int getConvergenceFrames() const override;
+ std::vector<double> const &getWeights() const override;
+ void setEv(unsigned int channel, double ev) override;
+ void setFlickerPeriod(libcamera::utils::Duration flickerPeriod) override;
+ void setMaxShutter(libcamera::utils::Duration maxShutter) override;
+ void setFixedShutter(unsigned int channelIndex,
+ libcamera::utils::Duration fixedShutter) override;
+ void setFixedAnalogueGain(unsigned int channelIndex,
+ double fixedAnalogueGain) override;
+ void setMeteringMode(std::string const &meteringModeName) override;
+ void setExposureMode(std::string const &exposureModeName) override;
+ void setConstraintMode(std::string const &contraintModeName) override;
+ void enableAuto() override;
+ void disableAuto() override;
+ void switchMode(CameraMode const &cameraMode, Metadata *metadata) override;
+ void prepare(Metadata *imageMetadata) override;
+ void process(StatisticsPtr &stats, Metadata *imageMetadata) override;
+ void setActiveChannels(const std::vector<unsigned int> &activeChannels) override;
+
+private:
+ int checkChannel(unsigned int channel) const;
+ std::vector<AgcChannelData> channelData_;
+ std::vector<unsigned int> activeChannels_;
+ unsigned int index_; /* index into the activeChannels_ */
+ AgcChannelTotalExposures channelTotalExposures_;
+};
+
+} /* namespace RPiController */
diff --git a/src/ipa/rpi/controller/rpi/agc_channel.cpp b/src/ipa/rpi/controller/rpi/agc_channel.cpp
new file mode 100644
index 00000000..a77ccec3
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/agc_channel.cpp
@@ -0,0 +1,1022 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2023, Raspberry Pi Ltd
+ *
+ * AGC/AEC control algorithm
+ */
+
+#include "agc_channel.h"
+
+#include <algorithm>
+#include <tuple>
+
+#include <libcamera/base/log.h>
+
+#include "../awb_status.h"
+#include "../device_status.h"
+#include "../histogram.h"
+#include "../lux_status.h"
+#include "../metadata.h"
+
+using namespace RPiController;
+using namespace libcamera;
+using libcamera::utils::Duration;
+using namespace std::literals::chrono_literals;
+
+LOG_DECLARE_CATEGORY(RPiAgc)
+
+int AgcMeteringMode::read(const libcamera::YamlObject &params)
+{
+ const YamlObject &yamlWeights = params["weights"];
+
+ for (const auto &p : yamlWeights.asList()) {
+ auto value = p.get<double>();
+ if (!value)
+ return -EINVAL;
+ weights.push_back(*value);
+ }
+
+ return 0;
+}
+
+static std::tuple<int, std::string>
+readMeteringModes(std::map<std::string, AgcMeteringMode> &metering_modes,
+ const libcamera::YamlObject &params)
+{
+ std::string first;
+ int ret;
+
+ for (const auto &[key, value] : params.asDict()) {
+ AgcMeteringMode meteringMode;
+ ret = meteringMode.read(value);
+ if (ret)
+ return { ret, {} };
+
+ metering_modes[key] = std::move(meteringMode);
+ if (first.empty())
+ first = key;
+ }
+
+ return { 0, first };
+}
+
+int AgcExposureMode::read(const libcamera::YamlObject &params)
+{
+ auto value = params["shutter"].getList<double>();
+ if (!value)
+ return -EINVAL;
+ std::transform(value->begin(), value->end(), std::back_inserter(shutter),
+ [](double v) { return v * 1us; });
+
+ value = params["gain"].getList<double>();
+ if (!value)
+ return -EINVAL;
+ gain = std::move(*value);
+
+ if (shutter.size() < 2 || gain.size() < 2) {
+ LOG(RPiAgc, Error)
+ << "AgcExposureMode: must have at least two entries in exposure profile";
+ return -EINVAL;
+ }
+
+ if (shutter.size() != gain.size()) {
+ LOG(RPiAgc, Error)
+ << "AgcExposureMode: expect same number of exposure and gain entries in exposure profile";
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static std::tuple<int, std::string>
+readExposureModes(std::map<std::string, AgcExposureMode> &exposureModes,
+ const libcamera::YamlObject &params)
+{
+ std::string first;
+ int ret;
+
+ for (const auto &[key, value] : params.asDict()) {
+ AgcExposureMode exposureMode;
+ ret = exposureMode.read(value);
+ if (ret)
+ return { ret, {} };
+
+ exposureModes[key] = std::move(exposureMode);
+ if (first.empty())
+ first = key;
+ }
+
+ return { 0, first };
+}
+
+int AgcConstraint::read(const libcamera::YamlObject &params)
+{
+ std::string boundString = params["bound"].get<std::string>("");
+ transform(boundString.begin(), boundString.end(),
+ boundString.begin(), ::toupper);
+ if (boundString != "UPPER" && boundString != "LOWER") {
+ LOG(RPiAgc, Error) << "AGC constraint type should be UPPER or LOWER";
+ return -EINVAL;
+ }
+ bound = boundString == "UPPER" ? Bound::UPPER : Bound::LOWER;
+
+ auto value = params["q_lo"].get<double>();
+ if (!value)
+ return -EINVAL;
+ qLo = *value;
+
+ value = params["q_hi"].get<double>();
+ if (!value)
+ return -EINVAL;
+ qHi = *value;
+
+ return yTarget.read(params["y_target"]);
+}
+
+static std::tuple<int, AgcConstraintMode>
+readConstraintMode(const libcamera::YamlObject &params)
+{
+ AgcConstraintMode mode;
+ int ret;
+
+ for (const auto &p : params.asList()) {
+ AgcConstraint constraint;
+ ret = constraint.read(p);
+ if (ret)
+ return { ret, {} };
+
+ mode.push_back(std::move(constraint));
+ }
+
+ return { 0, mode };
+}
+
+static std::tuple<int, std::string>
+readConstraintModes(std::map<std::string, AgcConstraintMode> &constraintModes,
+ const libcamera::YamlObject &params)
+{
+ std::string first;
+ int ret;
+
+ for (const auto &[key, value] : params.asDict()) {
+ std::tie(ret, constraintModes[key]) = readConstraintMode(value);
+ if (ret)
+ return { ret, {} };
+
+ if (first.empty())
+ first = key;
+ }
+
+ return { 0, first };
+}
+
+int AgcChannelConstraint::read(const libcamera::YamlObject &params)
+{
+ auto channelValue = params["channel"].get<unsigned int>();
+ if (!channelValue) {
+ LOG(RPiAgc, Error) << "AGC channel constraint must have a channel";
+ return -EINVAL;
+ }
+ channel = *channelValue;
+
+ std::string boundString = params["bound"].get<std::string>("");
+ transform(boundString.begin(), boundString.end(),
+ boundString.begin(), ::toupper);
+ if (boundString != "UPPER" && boundString != "LOWER") {
+ LOG(RPiAgc, Error) << "AGC channel constraint type should be UPPER or LOWER";
+ return -EINVAL;
+ }
+ bound = boundString == "UPPER" ? Bound::UPPER : Bound::LOWER;
+
+ auto factorValue = params["factor"].get<double>();
+ if (!factorValue) {
+ LOG(RPiAgc, Error) << "AGC channel constraint must have a factor";
+ return -EINVAL;
+ }
+ factor = *factorValue;
+
+ return 0;
+}
+
+static int readChannelConstraints(std::vector<AgcChannelConstraint> &channelConstraints,
+ const libcamera::YamlObject &params)
+{
+ for (const auto &p : params.asList()) {
+ AgcChannelConstraint constraint;
+ int ret = constraint.read(p);
+ if (ret)
+ return ret;
+
+ channelConstraints.push_back(constraint);
+ }
+
+ return 0;
+}
+
+int AgcConfig::read(const libcamera::YamlObject &params)
+{
+ LOG(RPiAgc, Debug) << "AgcConfig";
+ int ret;
+
+ std::tie(ret, defaultMeteringMode) =
+ readMeteringModes(meteringModes, params["metering_modes"]);
+ if (ret)
+ return ret;
+ std::tie(ret, defaultExposureMode) =
+ readExposureModes(exposureModes, params["exposure_modes"]);
+ if (ret)
+ return ret;
+ std::tie(ret, defaultConstraintMode) =
+ readConstraintModes(constraintModes, params["constraint_modes"]);
+ if (ret)
+ return ret;
+
+ if (params.contains("channel_constraints")) {
+ ret = readChannelConstraints(channelConstraints, params["channel_constraints"]);
+ if (ret)
+ return ret;
+ }
+
+ ret = yTarget.read(params["y_target"]);
+ if (ret)
+ return ret;
+
+ speed = params["speed"].get<double>(0.2);
+ startupFrames = params["startup_frames"].get<uint16_t>(10);
+ convergenceFrames = params["convergence_frames"].get<unsigned int>(6);
+ fastReduceThreshold = params["fast_reduce_threshold"].get<double>(0.4);
+ baseEv = params["base_ev"].get<double>(1.0);
+
+ /* Start with quite a low value as ramping up is easier than ramping down. */
+ defaultExposureTime = params["default_exposure_time"].get<double>(1000) * 1us;
+ defaultAnalogueGain = params["default_analogue_gain"].get<double>(1.0);
+
+ stableRegion = params["stable_region"].get<double>(0.02);
+
+ desaturate = params["desaturate"].get<int>(1);
+
+ return 0;
+}
+
+AgcChannel::ExposureValues::ExposureValues()
+ : shutter(0s), analogueGain(0),
+ totalExposure(0s), totalExposureNoDG(0s)
+{
+}
+
+AgcChannel::AgcChannel()
+ : meteringMode_(nullptr), exposureMode_(nullptr), constraintMode_(nullptr),
+ frameCount_(0), lockCount_(0),
+ lastTargetExposure_(0s), ev_(1.0), flickerPeriod_(0s),
+ maxShutter_(0s), fixedShutter_(0s), fixedAnalogueGain_(0.0)
+{
+ /* Set AWB default values in case early frames have no updates in metadata. */
+ awb_.gainR = 1.0;
+ awb_.gainG = 1.0;
+ awb_.gainB = 1.0;
+
+ /*
+ * Setting status_.totalExposureValue_ to zero initially tells us
+ * it's not been calculated yet (i.e. Process hasn't yet run).
+ */
+ status_ = {};
+ status_.ev = ev_;
+}
+
+int AgcChannel::read(const libcamera::YamlObject &params,
+ const Controller::HardwareConfig &hardwareConfig)
+{
+ int ret = config_.read(params);
+ if (ret)
+ return ret;
+
+ const Size &size = hardwareConfig.agcZoneWeights;
+ for (auto const &modes : config_.meteringModes) {
+ if (modes.second.weights.size() != size.width * size.height) {
+ LOG(RPiAgc, Error) << "AgcMeteringMode: Incorrect number of weights";
+ return -EINVAL;
+ }
+ }
+
+ /*
+ * Set the config's defaults (which are the first ones it read) as our
+ * current modes, until someone changes them. (they're all known to
+ * exist at this point)
+ */
+ meteringModeName_ = config_.defaultMeteringMode;
+ meteringMode_ = &config_.meteringModes[meteringModeName_];
+ exposureModeName_ = config_.defaultExposureMode;
+ exposureMode_ = &config_.exposureModes[exposureModeName_];
+ constraintModeName_ = config_.defaultConstraintMode;
+ constraintMode_ = &config_.constraintModes[constraintModeName_];
+ /* Set up the "last shutter/gain" values, in case AGC starts "disabled". */
+ status_.shutterTime = config_.defaultExposureTime;
+ status_.analogueGain = config_.defaultAnalogueGain;
+ return 0;
+}
+
+void AgcChannel::disableAuto()
+{
+ fixedShutter_ = status_.shutterTime;
+ fixedAnalogueGain_ = status_.analogueGain;
+}
+
+void AgcChannel::enableAuto()
+{
+ fixedShutter_ = 0s;
+ fixedAnalogueGain_ = 0;
+}
+
+unsigned int AgcChannel::getConvergenceFrames() const
+{
+ /*
+ * If shutter and gain have been explicitly set, there is no
+ * convergence to happen, so no need to drop any frames - return zero.
+ */
+ if (fixedShutter_ && fixedAnalogueGain_)
+ return 0;
+ else
+ return config_.convergenceFrames;
+}
+
+std::vector<double> const &AgcChannel::getWeights() const
+{
+ /*
+ * In case someone calls setMeteringMode and then this before the
+ * algorithm has run and updated the meteringMode_ pointer.
+ */
+ auto it = config_.meteringModes.find(meteringModeName_);
+ if (it == config_.meteringModes.end())
+ return meteringMode_->weights;
+ return it->second.weights;
+}
+
+void AgcChannel::setEv(double ev)
+{
+ ev_ = ev;
+}
+
+void AgcChannel::setFlickerPeriod(Duration flickerPeriod)
+{
+ flickerPeriod_ = flickerPeriod;
+}
+
+void AgcChannel::setMaxShutter(Duration maxShutter)
+{
+ maxShutter_ = maxShutter;
+}
+
+void AgcChannel::setFixedShutter(Duration fixedShutter)
+{
+ fixedShutter_ = fixedShutter;
+ /* Set this in case someone calls disableAuto() straight after. */
+ status_.shutterTime = limitShutter(fixedShutter_);
+}
+
+void AgcChannel::setFixedAnalogueGain(double fixedAnalogueGain)
+{
+ fixedAnalogueGain_ = fixedAnalogueGain;
+ /* Set this in case someone calls disableAuto() straight after. */
+ status_.analogueGain = limitGain(fixedAnalogueGain);
+}
+
+void AgcChannel::setMeteringMode(std::string const &meteringModeName)
+{
+ meteringModeName_ = meteringModeName;
+}
+
+void AgcChannel::setExposureMode(std::string const &exposureModeName)
+{
+ exposureModeName_ = exposureModeName;
+}
+
+void AgcChannel::setConstraintMode(std::string const &constraintModeName)
+{
+ constraintModeName_ = constraintModeName;
+}
+
+void AgcChannel::switchMode(CameraMode const &cameraMode,
+ Metadata *metadata)
+{
+ /* AGC expects the mode sensitivity always to be non-zero. */
+ ASSERT(cameraMode.sensitivity);
+
+ housekeepConfig();
+
+ /*
+ * Store the mode in the local state. We must cache the sensitivity of
+ * of the previous mode for the calculations below.
+ */
+ double lastSensitivity = mode_.sensitivity;
+ mode_ = cameraMode;
+
+ Duration fixedShutter = limitShutter(fixedShutter_);
+ if (fixedShutter && fixedAnalogueGain_) {
+ /* We're going to reset the algorithm here with these fixed values. */
+ fetchAwbStatus(metadata);
+ double minColourGain = std::min({ awb_.gainR, awb_.gainG, awb_.gainB, 1.0 });
+ ASSERT(minColourGain != 0.0);
+
+ /* This is the equivalent of computeTargetExposure and applyDigitalGain. */
+ target_.totalExposureNoDG = fixedShutter_ * fixedAnalogueGain_;
+ target_.totalExposure = target_.totalExposureNoDG / minColourGain;
+
+ /* Equivalent of filterExposure. This resets any "history". */
+ filtered_ = target_;
+
+ /* Equivalent of divideUpExposure. */
+ filtered_.shutter = fixedShutter;
+ filtered_.analogueGain = fixedAnalogueGain_;
+ } else if (status_.totalExposureValue) {
+ /*
+ * On a mode switch, various things could happen:
+ * - the exposure profile might change
+ * - a fixed exposure or gain might be set
+ * - the new mode's sensitivity might be different
+ * We cope with the last of these by scaling the target values. After
+ * that we just need to re-divide the exposure/gain according to the
+ * current exposure profile, which takes care of everything else.
+ */
+
+ double ratio = lastSensitivity / cameraMode.sensitivity;
+ target_.totalExposureNoDG *= ratio;
+ target_.totalExposure *= ratio;
+ filtered_.totalExposureNoDG *= ratio;
+ filtered_.totalExposure *= ratio;
+
+ divideUpExposure();
+ } else {
+ /*
+ * We come through here on startup, when at least one of the shutter
+ * or gain has not been fixed. We must still write those values out so
+ * that they will be applied immediately. We supply some arbitrary defaults
+ * for any that weren't set.
+ */
+
+ /* Equivalent of divideUpExposure. */
+ filtered_.shutter = fixedShutter ? fixedShutter : config_.defaultExposureTime;
+ filtered_.analogueGain = fixedAnalogueGain_ ? fixedAnalogueGain_ : config_.defaultAnalogueGain;
+ }
+
+ writeAndFinish(metadata, false);
+}
+
+void AgcChannel::prepare(Metadata *imageMetadata)
+{
+ Duration totalExposureValue = status_.totalExposureValue;
+ AgcStatus delayedStatus;
+ AgcPrepareStatus prepareStatus;
+
+ /* Fetch the AWB status now because AWB also sets it in the prepare method. */
+ fetchAwbStatus(imageMetadata);
+
+ if (!imageMetadata->get("agc.delayed_status", delayedStatus))
+ totalExposureValue = delayedStatus.totalExposureValue;
+
+ prepareStatus.digitalGain = 1.0;
+ prepareStatus.locked = false;
+
+ if (status_.totalExposureValue) {
+ /* Process has run, so we have meaningful values. */
+ DeviceStatus deviceStatus;
+ if (imageMetadata->get("device.status", deviceStatus) == 0) {
+ Duration actualExposure = deviceStatus.shutterSpeed *
+ deviceStatus.analogueGain;
+ if (actualExposure) {
+ double digitalGain = totalExposureValue / actualExposure;
+ LOG(RPiAgc, Debug) << "Want total exposure " << totalExposureValue;
+ /*
+ * Never ask for a gain < 1.0, and also impose
+ * some upper limit. Make it customisable?
+ */
+ prepareStatus.digitalGain = std::max(1.0, std::min(digitalGain, 4.0));
+ LOG(RPiAgc, Debug) << "Actual exposure " << actualExposure;
+ LOG(RPiAgc, Debug) << "Use digitalGain " << prepareStatus.digitalGain;
+ LOG(RPiAgc, Debug) << "Effective exposure "
+ << actualExposure * prepareStatus.digitalGain;
+ /* Decide whether AEC/AGC has converged. */
+ prepareStatus.locked = updateLockStatus(deviceStatus);
+ }
+ } else
+ LOG(RPiAgc, Warning) << "AgcChannel: no device metadata";
+ imageMetadata->set("agc.prepare_status", prepareStatus);
+ }
+}
+
+void AgcChannel::process(StatisticsPtr &stats, DeviceStatus const &deviceStatus,
+ Metadata *imageMetadata,
+ const AgcChannelTotalExposures &channelTotalExposures)
+{
+ frameCount_++;
+ /*
+ * First a little bit of housekeeping, fetching up-to-date settings and
+ * configuration, that kind of thing.
+ */
+ housekeepConfig();
+ /* Get the current exposure values for the frame that's just arrived. */
+ fetchCurrentExposure(deviceStatus);
+ /* Compute the total gain we require relative to the current exposure. */
+ double gain, targetY;
+ computeGain(stats, imageMetadata, gain, targetY);
+ /* Now compute the target (final) exposure which we think we want. */
+ computeTargetExposure(gain);
+ /* The results have to be filtered so as not to change too rapidly. */
+ filterExposure();
+ /*
+ * We may be asked to limit the exposure using other channels. If another channel
+ * determines our upper bound we may want to know this later.
+ */
+ bool channelBound = applyChannelConstraints(channelTotalExposures);
+ /*
+ * Some of the exposure has to be applied as digital gain, so work out
+ * what that is. It also tells us whether it's trying to desaturate the image
+ * more quickly, which can only happen when another channel is not limiting us.
+ */
+ bool desaturate = applyDigitalGain(gain, targetY, channelBound);
+ /*
+ * The last thing is to divide up the exposure value into a shutter time
+ * and analogue gain, according to the current exposure mode.
+ */
+ divideUpExposure();
+ /* Finally advertise what we've done. */
+ writeAndFinish(imageMetadata, desaturate);
+}
+
+bool AgcChannel::updateLockStatus(DeviceStatus const &deviceStatus)
+{
+ const double errorFactor = 0.10; /* make these customisable? */
+ const int maxLockCount = 5;
+ /* Reset "lock count" when we exceed this multiple of errorFactor */
+ const double resetMargin = 1.5;
+
+ /* Add 200us to the exposure time error to allow for line quantisation. */
+ Duration exposureError = lastDeviceStatus_.shutterSpeed * errorFactor + 200us;
+ double gainError = lastDeviceStatus_.analogueGain * errorFactor;
+ Duration targetError = lastTargetExposure_ * errorFactor;
+
+ /*
+ * Note that we don't know the exposure/gain limits of the sensor, so
+ * the values we keep requesting may be unachievable. For this reason
+ * we only insist that we're close to values in the past few frames.
+ */
+ if (deviceStatus.shutterSpeed > lastDeviceStatus_.shutterSpeed - exposureError &&
+ deviceStatus.shutterSpeed < lastDeviceStatus_.shutterSpeed + exposureError &&
+ deviceStatus.analogueGain > lastDeviceStatus_.analogueGain - gainError &&
+ deviceStatus.analogueGain < lastDeviceStatus_.analogueGain + gainError &&
+ status_.targetExposureValue > lastTargetExposure_ - targetError &&
+ status_.targetExposureValue < lastTargetExposure_ + targetError)
+ lockCount_ = std::min(lockCount_ + 1, maxLockCount);
+ else if (deviceStatus.shutterSpeed < lastDeviceStatus_.shutterSpeed - resetMargin * exposureError ||
+ deviceStatus.shutterSpeed > lastDeviceStatus_.shutterSpeed + resetMargin * exposureError ||
+ deviceStatus.analogueGain < lastDeviceStatus_.analogueGain - resetMargin * gainError ||
+ deviceStatus.analogueGain > lastDeviceStatus_.analogueGain + resetMargin * gainError ||
+ status_.targetExposureValue < lastTargetExposure_ - resetMargin * targetError ||
+ status_.targetExposureValue > lastTargetExposure_ + resetMargin * targetError)
+ lockCount_ = 0;
+
+ lastDeviceStatus_ = deviceStatus;
+ lastTargetExposure_ = status_.targetExposureValue;
+
+ LOG(RPiAgc, Debug) << "Lock count updated to " << lockCount_;
+ return lockCount_ == maxLockCount;
+}
+
+void AgcChannel::housekeepConfig()
+{
+ /* First fetch all the up-to-date settings, so no one else has to do it. */
+ status_.ev = ev_;
+ status_.fixedShutter = limitShutter(fixedShutter_);
+ status_.fixedAnalogueGain = fixedAnalogueGain_;
+ status_.flickerPeriod = flickerPeriod_;
+ LOG(RPiAgc, Debug) << "ev " << status_.ev << " fixedShutter "
+ << status_.fixedShutter << " fixedAnalogueGain "
+ << status_.fixedAnalogueGain;
+ /*
+ * Make sure the "mode" pointers point to the up-to-date things, if
+ * they've changed.
+ */
+ if (meteringModeName_ != status_.meteringMode) {
+ auto it = config_.meteringModes.find(meteringModeName_);
+ if (it == config_.meteringModes.end()) {
+ LOG(RPiAgc, Warning) << "No metering mode " << meteringModeName_;
+ meteringModeName_ = status_.meteringMode;
+ } else {
+ meteringMode_ = &it->second;
+ status_.meteringMode = meteringModeName_;
+ }
+ }
+ if (exposureModeName_ != status_.exposureMode) {
+ auto it = config_.exposureModes.find(exposureModeName_);
+ if (it == config_.exposureModes.end()) {
+ LOG(RPiAgc, Warning) << "No exposure profile " << exposureModeName_;
+ exposureModeName_ = status_.exposureMode;
+ } else {
+ exposureMode_ = &it->second;
+ status_.exposureMode = exposureModeName_;
+ }
+ }
+ if (constraintModeName_ != status_.constraintMode) {
+ auto it = config_.constraintModes.find(constraintModeName_);
+ if (it == config_.constraintModes.end()) {
+ LOG(RPiAgc, Warning) << "No constraint list " << constraintModeName_;
+ constraintModeName_ = status_.constraintMode;
+ } else {
+ constraintMode_ = &it->second;
+ status_.constraintMode = constraintModeName_;
+ }
+ }
+ LOG(RPiAgc, Debug) << "exposureMode "
+ << exposureModeName_ << " constraintMode "
+ << constraintModeName_ << " meteringMode "
+ << meteringModeName_;
+}
+
+void AgcChannel::fetchCurrentExposure(DeviceStatus const &deviceStatus)
+{
+ current_.shutter = deviceStatus.shutterSpeed;
+ current_.analogueGain = deviceStatus.analogueGain;
+ current_.totalExposure = 0s; /* this value is unused */
+ current_.totalExposureNoDG = current_.shutter * current_.analogueGain;
+}
+
+void AgcChannel::fetchAwbStatus(Metadata *imageMetadata)
+{
+ if (imageMetadata->get("awb.status", awb_) != 0)
+ LOG(RPiAgc, Debug) << "No AWB status found";
+}
+
+static double computeInitialY(StatisticsPtr &stats, AwbStatus const &awb,
+ std::vector<double> &weights, double gain)
+{
+ constexpr uint64_t maxVal = 1 << Statistics::NormalisationFactorPow2;
+
+ /*
+ * If we have no AGC region stats, but do have a a Y histogram, use that
+ * directly to caluclate the mean Y value of the image.
+ */
+ if (!stats->agcRegions.numRegions() && stats->yHist.bins()) {
+ /*
+ * When the gain is applied to the histogram, anything below minBin
+ * will scale up directly with the gain, but anything above that
+ * will saturate into the top bin.
+ */
+ auto &hist = stats->yHist;
+ double minBin = std::min(1.0, 1.0 / gain) * hist.bins();
+ double binMean = hist.interBinMean(0.0, minBin);
+ double numUnsaturated = hist.cumulativeFreq(minBin);
+ /* This term is from all the pixels that won't saturate. */
+ double ySum = binMean * gain * numUnsaturated;
+ /* And add the ones that will saturate. */
+ ySum += (hist.total() - numUnsaturated) * hist.bins();
+ return ySum / hist.total() / hist.bins();
+ }
+
+ ASSERT(weights.size() == stats->agcRegions.numRegions());
+
+ /*
+ * Note that the weights are applied by the IPA to the statistics directly,
+ * before they are given to us here.
+ */
+ double rSum = 0, gSum = 0, bSum = 0, pixelSum = 0;
+ for (unsigned int i = 0; i < stats->agcRegions.numRegions(); i++) {
+ auto &region = stats->agcRegions.get(i);
+ rSum += std::min<double>(region.val.rSum * gain, (maxVal - 1) * region.counted);
+ gSum += std::min<double>(region.val.gSum * gain, (maxVal - 1) * region.counted);
+ bSum += std::min<double>(region.val.bSum * gain, (maxVal - 1) * region.counted);
+ pixelSum += region.counted;
+ }
+ if (pixelSum == 0.0) {
+ LOG(RPiAgc, Warning) << "computeInitialY: pixelSum is zero";
+ return 0;
+ }
+
+ double ySum;
+ /* Factor in the AWB correction if needed. */
+ if (stats->agcStatsPos == Statistics::AgcStatsPos::PreWb) {
+ ySum = rSum * awb.gainR * .299 +
+ gSum * awb.gainG * .587 +
+ bSum * awb.gainB * .114;
+ } else
+ ySum = rSum * .299 + gSum * .587 + bSum * .114;
+
+ return ySum / pixelSum / (1 << 16);
+}
+
+/*
+ * We handle extra gain through EV by adjusting our Y targets. However, you
+ * simply can't monitor histograms once they get very close to (or beyond!)
+ * saturation, so we clamp the Y targets to this value. It does mean that EV
+ * increases don't necessarily do quite what you might expect in certain
+ * (contrived) cases.
+ */
+
+static constexpr double EvGainYTargetLimit = 0.9;
+
+static double constraintComputeGain(AgcConstraint &c, const Histogram &h, double lux,
+ double evGain, double &targetY)
+{
+ targetY = c.yTarget.eval(c.yTarget.domain().clip(lux));
+ targetY = std::min(EvGainYTargetLimit, targetY * evGain);
+ double iqm = h.interQuantileMean(c.qLo, c.qHi);
+ return (targetY * h.bins()) / iqm;
+}
+
+void AgcChannel::computeGain(StatisticsPtr &statistics, Metadata *imageMetadata,
+ double &gain, double &targetY)
+{
+ struct LuxStatus lux = {};
+ lux.lux = 400; /* default lux level to 400 in case no metadata found */
+ if (imageMetadata->get("lux.status", lux) != 0)
+ LOG(RPiAgc, Warning) << "No lux level found";
+ const Histogram &h = statistics->yHist;
+ double evGain = status_.ev * config_.baseEv;
+ /*
+ * The initial gain and target_Y come from some of the regions. After
+ * that we consider the histogram constraints.
+ */
+ targetY = config_.yTarget.eval(config_.yTarget.domain().clip(lux.lux));
+ targetY = std::min(EvGainYTargetLimit, targetY * evGain);
+
+ /*
+ * Do this calculation a few times as brightness increase can be
+ * non-linear when there are saturated regions.
+ */
+ gain = 1.0;
+ for (int i = 0; i < 8; i++) {
+ double initialY = computeInitialY(statistics, awb_, meteringMode_->weights, gain);
+ double extraGain = std::min(10.0, targetY / (initialY + .001));
+ gain *= extraGain;
+ LOG(RPiAgc, Debug) << "Initial Y " << initialY << " target " << targetY
+ << " gives gain " << gain;
+ if (extraGain < 1.01) /* close enough */
+ break;
+ }
+
+ for (auto &c : *constraintMode_) {
+ double newTargetY;
+ double newGain = constraintComputeGain(c, h, lux.lux, evGain, newTargetY);
+ LOG(RPiAgc, Debug) << "Constraint has target_Y "
+ << newTargetY << " giving gain " << newGain;
+ if (c.bound == AgcConstraint::Bound::LOWER && newGain > gain) {
+ LOG(RPiAgc, Debug) << "Lower bound constraint adopted";
+ gain = newGain;
+ targetY = newTargetY;
+ } else if (c.bound == AgcConstraint::Bound::UPPER && newGain < gain) {
+ LOG(RPiAgc, Debug) << "Upper bound constraint adopted";
+ gain = newGain;
+ targetY = newTargetY;
+ }
+ }
+ LOG(RPiAgc, Debug) << "Final gain " << gain << " (target_Y " << targetY << " ev "
+ << status_.ev << " base_ev " << config_.baseEv
+ << ")";
+}
+
+void AgcChannel::computeTargetExposure(double gain)
+{
+ if (status_.fixedShutter && status_.fixedAnalogueGain) {
+ /*
+ * When ag and shutter are both fixed, we need to drive the
+ * total exposure so that we end up with a digital gain of at least
+ * 1/minColourGain. Otherwise we'd desaturate channels causing
+ * white to go cyan or magenta.
+ */
+ double minColourGain = std::min({ awb_.gainR, awb_.gainG, awb_.gainB, 1.0 });
+ ASSERT(minColourGain != 0.0);
+ target_.totalExposure =
+ status_.fixedShutter * status_.fixedAnalogueGain / minColourGain;
+ } else {
+ /*
+ * The statistics reflect the image without digital gain, so the final
+ * total exposure we're aiming for is:
+ */
+ target_.totalExposure = current_.totalExposureNoDG * gain;
+ /* The final target exposure is also limited to what the exposure mode allows. */
+ Duration maxShutter = status_.fixedShutter
+ ? status_.fixedShutter
+ : exposureMode_->shutter.back();
+ maxShutter = limitShutter(maxShutter);
+ Duration maxTotalExposure =
+ maxShutter *
+ (status_.fixedAnalogueGain != 0.0
+ ? status_.fixedAnalogueGain
+ : exposureMode_->gain.back());
+ target_.totalExposure = std::min(target_.totalExposure, maxTotalExposure);
+ }
+ LOG(RPiAgc, Debug) << "Target totalExposure " << target_.totalExposure;
+}
+
+bool AgcChannel::applyChannelConstraints(const AgcChannelTotalExposures &channelTotalExposures)
+{
+ bool channelBound = false;
+ LOG(RPiAgc, Debug)
+ << "Total exposure before channel constraints " << filtered_.totalExposure;
+
+ for (const auto &constraint : config_.channelConstraints) {
+ LOG(RPiAgc, Debug)
+ << "Check constraint: channel " << constraint.channel << " bound "
+ << (constraint.bound == AgcChannelConstraint::Bound::UPPER ? "UPPER" : "LOWER")
+ << " factor " << constraint.factor;
+ if (constraint.channel >= channelTotalExposures.size() ||
+ !channelTotalExposures[constraint.channel]) {
+ LOG(RPiAgc, Debug) << "no such channel or no exposure available- skipped";
+ continue;
+ }
+
+ libcamera::utils::Duration limitExposure =
+ channelTotalExposures[constraint.channel] * constraint.factor;
+ LOG(RPiAgc, Debug) << "Limit exposure " << limitExposure;
+ if ((constraint.bound == AgcChannelConstraint::Bound::UPPER &&
+ filtered_.totalExposure > limitExposure) ||
+ (constraint.bound == AgcChannelConstraint::Bound::LOWER &&
+ filtered_.totalExposure < limitExposure)) {
+ filtered_.totalExposure = limitExposure;
+ LOG(RPiAgc, Debug) << "Constraint applies";
+ channelBound = true;
+ } else
+ LOG(RPiAgc, Debug) << "Constraint does not apply";
+ }
+
+ LOG(RPiAgc, Debug)
+ << "Total exposure after channel constraints " << filtered_.totalExposure;
+
+ return channelBound;
+}
+
+bool AgcChannel::applyDigitalGain(double gain, double targetY, bool channelBound)
+{
+ double minColourGain = std::min({ awb_.gainR, awb_.gainG, awb_.gainB, 1.0 });
+ ASSERT(minColourGain != 0.0);
+ double dg = 1.0 / minColourGain;
+ /*
+ * I think this pipeline subtracts black level and rescales before we
+ * get the stats, so no need to worry about it.
+ */
+ LOG(RPiAgc, Debug) << "after AWB, target dg " << dg << " gain " << gain
+ << " target_Y " << targetY;
+ /*
+ * Finally, if we're trying to reduce exposure but the target_Y is
+ * "close" to 1.0, then the gain computed for that constraint will be
+ * only slightly less than one, because the measured Y can never be
+ * larger than 1.0. When this happens, demand a large digital gain so
+ * that the exposure can be reduced, de-saturating the image much more
+ * quickly (and we then approach the correct value more quickly from
+ * below).
+ */
+ bool desaturate = false;
+ if (config_.desaturate)
+ desaturate = !channelBound &&
+ targetY > config_.fastReduceThreshold && gain < sqrt(targetY);
+ if (desaturate)
+ dg /= config_.fastReduceThreshold;
+ LOG(RPiAgc, Debug) << "Digital gain " << dg << " desaturate? " << desaturate;
+ filtered_.totalExposureNoDG = filtered_.totalExposure / dg;
+ LOG(RPiAgc, Debug) << "Target totalExposureNoDG " << filtered_.totalExposureNoDG;
+ return desaturate;
+}
+
+void AgcChannel::filterExposure()
+{
+ double speed = config_.speed;
+ double stableRegion = config_.stableRegion;
+
+ /*
+ * AGC adapts instantly if both shutter and gain are directly specified
+ * or we're in the startup phase.
+ */
+ if ((status_.fixedShutter && status_.fixedAnalogueGain) ||
+ frameCount_ <= config_.startupFrames)
+ speed = 1.0;
+ if (!filtered_.totalExposure) {
+ filtered_.totalExposure = target_.totalExposure;
+ } else if (filtered_.totalExposure * (1.0 - stableRegion) < target_.totalExposure &&
+ filtered_.totalExposure * (1.0 + stableRegion) > target_.totalExposure) {
+ /* Total exposure must change by more than this or we leave it alone. */
+ } else {
+ /*
+ * If close to the result go faster, to save making so many
+ * micro-adjustments on the way. (Make this customisable?)
+ */
+ if (filtered_.totalExposure < 1.2 * target_.totalExposure &&
+ filtered_.totalExposure > 0.8 * target_.totalExposure)
+ speed = sqrt(speed);
+ filtered_.totalExposure = speed * target_.totalExposure +
+ filtered_.totalExposure * (1.0 - speed);
+ }
+ LOG(RPiAgc, Debug) << "After filtering, totalExposure " << filtered_.totalExposure
+ << " no dg " << filtered_.totalExposureNoDG;
+}
+
+void AgcChannel::divideUpExposure()
+{
+ /*
+ * Sending the fixed shutter/gain cases through the same code may seem
+ * unnecessary, but it will make more sense when extend this to cover
+ * variable aperture.
+ */
+ Duration exposureValue = filtered_.totalExposureNoDG;
+ Duration shutterTime;
+ double analogueGain;
+ shutterTime = status_.fixedShutter ? status_.fixedShutter
+ : exposureMode_->shutter[0];
+ shutterTime = limitShutter(shutterTime);
+ analogueGain = status_.fixedAnalogueGain != 0.0 ? status_.fixedAnalogueGain
+ : exposureMode_->gain[0];
+ analogueGain = limitGain(analogueGain);
+ if (shutterTime * analogueGain < exposureValue) {
+ for (unsigned int stage = 1;
+ stage < exposureMode_->gain.size(); stage++) {
+ if (!status_.fixedShutter) {
+ Duration stageShutter =
+ limitShutter(exposureMode_->shutter[stage]);
+ if (stageShutter * analogueGain >= exposureValue) {
+ shutterTime = exposureValue / analogueGain;
+ break;
+ }
+ shutterTime = stageShutter;
+ }
+ if (status_.fixedAnalogueGain == 0.0) {
+ if (exposureMode_->gain[stage] * shutterTime >= exposureValue) {
+ analogueGain = exposureValue / shutterTime;
+ break;
+ }
+ analogueGain = exposureMode_->gain[stage];
+ analogueGain = limitGain(analogueGain);
+ }
+ }
+ }
+ LOG(RPiAgc, Debug) << "Divided up shutter and gain are " << shutterTime << " and "
+ << analogueGain;
+ /*
+ * Finally adjust shutter time for flicker avoidance (require both
+ * shutter and gain not to be fixed).
+ */
+ if (!status_.fixedShutter && !status_.fixedAnalogueGain &&
+ status_.flickerPeriod) {
+ int flickerPeriods = shutterTime / status_.flickerPeriod;
+ if (flickerPeriods) {
+ Duration newShutterTime = flickerPeriods * status_.flickerPeriod;
+ analogueGain *= shutterTime / newShutterTime;
+ /*
+ * We should still not allow the ag to go over the
+ * largest value in the exposure mode. Note that this
+ * may force more of the total exposure into the digital
+ * gain as a side-effect.
+ */
+ analogueGain = std::min(analogueGain, exposureMode_->gain.back());
+ analogueGain = limitGain(analogueGain);
+ shutterTime = newShutterTime;
+ }
+ LOG(RPiAgc, Debug) << "After flicker avoidance, shutter "
+ << shutterTime << " gain " << analogueGain;
+ }
+ filtered_.shutter = shutterTime;
+ filtered_.analogueGain = analogueGain;
+}
+
+void AgcChannel::writeAndFinish(Metadata *imageMetadata, bool desaturate)
+{
+ status_.totalExposureValue = filtered_.totalExposure;
+ status_.targetExposureValue = desaturate ? 0s : target_.totalExposure;
+ status_.shutterTime = filtered_.shutter;
+ status_.analogueGain = filtered_.analogueGain;
+ /*
+ * Write to metadata as well, in case anyone wants to update the camera
+ * immediately.
+ */
+ imageMetadata->set("agc.status", status_);
+ LOG(RPiAgc, Debug) << "Output written, total exposure requested is "
+ << filtered_.totalExposure;
+ LOG(RPiAgc, Debug) << "Camera exposure update: shutter time " << filtered_.shutter
+ << " analogue gain " << filtered_.analogueGain;
+}
+
+Duration AgcChannel::limitShutter(Duration shutter)
+{
+ /*
+ * shutter == 0 is a special case for fixed shutter values, and must pass
+ * through unchanged
+ */
+ if (!shutter)
+ return shutter;
+
+ shutter = std::clamp(shutter, mode_.minShutter, maxShutter_);
+ return shutter;
+}
+
+double AgcChannel::limitGain(double gain) const
+{
+ /*
+ * Only limit the lower bounds of the gain value to what the sensor limits.
+ * The upper bound on analogue gain will be made up with additional digital
+ * gain applied by the ISP.
+ *
+ * gain == 0.0 is a special case for fixed shutter values, and must pass
+ * through unchanged
+ */
+ if (!gain)
+ return gain;
+
+ gain = std::max(gain, mode_.minAnalogueGain);
+ return gain;
+}
diff --git a/src/ipa/rpi/controller/rpi/agc_channel.h b/src/ipa/rpi/controller/rpi/agc_channel.h
new file mode 100644
index 00000000..99033e23
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/agc_channel.h
@@ -0,0 +1,153 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2023, Raspberry Pi Ltd
+ *
+ * AGC/AEC control algorithm
+ */
+#pragma once
+
+#include <map>
+#include <string>
+#include <vector>
+
+#include <libcamera/base/utils.h>
+
+#include "../agc_status.h"
+#include "../awb_status.h"
+#include "../controller.h"
+#include "../pwl.h"
+
+/* This is our implementation of AGC. */
+
+namespace RPiController {
+
+using AgcChannelTotalExposures = std::vector<libcamera::utils::Duration>;
+
+struct AgcMeteringMode {
+ std::vector<double> weights;
+ int read(const libcamera::YamlObject &params);
+};
+
+struct AgcExposureMode {
+ std::vector<libcamera::utils::Duration> shutter;
+ std::vector<double> gain;
+ int read(const libcamera::YamlObject &params);
+};
+
+struct AgcConstraint {
+ enum class Bound { LOWER = 0,
+ UPPER = 1 };
+ Bound bound;
+ double qLo;
+ double qHi;
+ Pwl yTarget;
+ int read(const libcamera::YamlObject &params);
+};
+
+typedef std::vector<AgcConstraint> AgcConstraintMode;
+
+struct AgcChannelConstraint {
+ enum class Bound { LOWER = 0,
+ UPPER = 1 };
+ Bound bound;
+ unsigned int channel;
+ double factor;
+ int read(const libcamera::YamlObject &params);
+};
+
+struct AgcConfig {
+ int read(const libcamera::YamlObject &params);
+ std::map<std::string, AgcMeteringMode> meteringModes;
+ std::map<std::string, AgcExposureMode> exposureModes;
+ std::map<std::string, AgcConstraintMode> constraintModes;
+ std::vector<AgcChannelConstraint> channelConstraints;
+ Pwl yTarget;
+ double speed;
+ uint16_t startupFrames;
+ unsigned int convergenceFrames;
+ double maxChange;
+ double minChange;
+ double fastReduceThreshold;
+ double speedUpThreshold;
+ std::string defaultMeteringMode;
+ std::string defaultExposureMode;
+ std::string defaultConstraintMode;
+ double baseEv;
+ libcamera::utils::Duration defaultExposureTime;
+ double defaultAnalogueGain;
+ double stableRegion;
+ bool desaturate;
+};
+
+class AgcChannel
+{
+public:
+ AgcChannel();
+ int read(const libcamera::YamlObject &params,
+ const Controller::HardwareConfig &hardwareConfig);
+ unsigned int getConvergenceFrames() const;
+ std::vector<double> const &getWeights() const;
+ void setEv(double ev);
+ void setFlickerPeriod(libcamera::utils::Duration flickerPeriod);
+ void setMaxShutter(libcamera::utils::Duration maxShutter);
+ void setFixedShutter(libcamera::utils::Duration fixedShutter);
+ void setFixedAnalogueGain(double fixedAnalogueGain);
+ void setMeteringMode(std::string const &meteringModeName);
+ void setExposureMode(std::string const &exposureModeName);
+ void setConstraintMode(std::string const &contraintModeName);
+ void enableAuto();
+ void disableAuto();
+ void switchMode(CameraMode const &cameraMode, Metadata *metadata);
+ void prepare(Metadata *imageMetadata);
+ void process(StatisticsPtr &stats, DeviceStatus const &deviceStatus, Metadata *imageMetadata,
+ const AgcChannelTotalExposures &channelTotalExposures);
+
+private:
+ bool updateLockStatus(DeviceStatus const &deviceStatus);
+ AgcConfig config_;
+ void housekeepConfig();
+ void fetchCurrentExposure(DeviceStatus const &deviceStatus);
+ void fetchAwbStatus(Metadata *imageMetadata);
+ void computeGain(StatisticsPtr &statistics, Metadata *imageMetadata,
+ double &gain, double &targetY);
+ void computeTargetExposure(double gain);
+ void filterExposure();
+ bool applyChannelConstraints(const AgcChannelTotalExposures &channelTotalExposures);
+ bool applyDigitalGain(double gain, double targetY, bool channelBound);
+ void divideUpExposure();
+ void writeAndFinish(Metadata *imageMetadata, bool desaturate);
+ libcamera::utils::Duration limitShutter(libcamera::utils::Duration shutter);
+ double limitGain(double gain) const;
+ AgcMeteringMode *meteringMode_;
+ AgcExposureMode *exposureMode_;
+ AgcConstraintMode *constraintMode_;
+ CameraMode mode_;
+ uint64_t frameCount_;
+ AwbStatus awb_;
+ struct ExposureValues {
+ ExposureValues();
+
+ libcamera::utils::Duration shutter;
+ double analogueGain;
+ libcamera::utils::Duration totalExposure;
+ libcamera::utils::Duration totalExposureNoDG; /* without digital gain */
+ };
+ ExposureValues current_; /* values for the current frame */
+ ExposureValues target_; /* calculate the values we want here */
+ ExposureValues filtered_; /* these values are filtered towards target */
+ AgcStatus status_;
+ int lockCount_;
+ DeviceStatus lastDeviceStatus_;
+ libcamera::utils::Duration lastTargetExposure_;
+ /* Below here the "settings" that applications can change. */
+ std::string meteringModeName_;
+ std::string exposureModeName_;
+ std::string constraintModeName_;
+ double ev_;
+ libcamera::utils::Duration flickerPeriod_;
+ libcamera::utils::Duration maxShutter_;
+ libcamera::utils::Duration fixedShutter_;
+ double fixedAnalogueGain_;
+};
+
+} /* namespace RPiController */
diff --git a/src/ipa/rpi/controller/rpi/alsc.cpp b/src/ipa/rpi/controller/rpi/alsc.cpp
new file mode 100644
index 00000000..67029fc3
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/alsc.cpp
@@ -0,0 +1,867 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * ALSC (auto lens shading correction) control algorithm
+ */
+
+#include <algorithm>
+#include <functional>
+#include <math.h>
+#include <numeric>
+
+#include <libcamera/base/log.h>
+#include <libcamera/base/span.h>
+
+#include "../awb_status.h"
+#include "alsc.h"
+
+/* Raspberry Pi ALSC (Auto Lens Shading Correction) algorithm. */
+
+using namespace RPiController;
+using namespace libcamera;
+
+LOG_DEFINE_CATEGORY(RPiAlsc)
+
+#define NAME "rpi.alsc"
+
+static const double InsufficientData = -1.0;
+
+Alsc::Alsc(Controller *controller)
+ : Algorithm(controller)
+{
+ asyncAbort_ = asyncStart_ = asyncStarted_ = asyncFinished_ = false;
+ asyncThread_ = std::thread(std::bind(&Alsc::asyncFunc, this));
+}
+
+Alsc::~Alsc()
+{
+ {
+ std::lock_guard<std::mutex> lock(mutex_);
+ asyncAbort_ = true;
+ }
+ asyncSignal_.notify_one();
+ asyncThread_.join();
+}
+
+char const *Alsc::name() const
+{
+ return NAME;
+}
+
+static int generateLut(Array2D<double> &lut, const libcamera::YamlObject &params)
+{
+ /* These must be signed ints for the co-ordinate calculations below. */
+ int X = lut.dimensions().width, Y = lut.dimensions().height;
+ double cstrength = params["corner_strength"].get<double>(2.0);
+ if (cstrength <= 1.0) {
+ LOG(RPiAlsc, Error) << "corner_strength must be > 1.0";
+ return -EINVAL;
+ }
+
+ double asymmetry = params["asymmetry"].get<double>(1.0);
+ if (asymmetry < 0) {
+ LOG(RPiAlsc, Error) << "asymmetry must be >= 0";
+ return -EINVAL;
+ }
+
+ double f1 = cstrength - 1, f2 = 1 + sqrt(cstrength);
+ double R2 = X * Y / 4 * (1 + asymmetry * asymmetry);
+ int num = 0;
+ for (int y = 0; y < Y; y++) {
+ for (int x = 0; x < X; x++) {
+ double dy = y - Y / 2 + 0.5,
+ dx = (x - X / 2 + 0.5) * asymmetry;
+ double r2 = (dx * dx + dy * dy) / R2;
+ lut[num++] =
+ (f1 * r2 + f2) * (f1 * r2 + f2) /
+ (f2 * f2); /* this reproduces the cos^4 rule */
+ }
+ }
+ return 0;
+}
+
+static int readLut(Array2D<double> &lut, const libcamera::YamlObject &params)
+{
+ if (params.size() != lut.size()) {
+ LOG(RPiAlsc, Error) << "Invalid number of entries in LSC table";
+ return -EINVAL;
+ }
+
+ int num = 0;
+ for (const auto &p : params.asList()) {
+ auto value = p.get<double>();
+ if (!value)
+ return -EINVAL;
+ lut[num++] = *value;
+ }
+
+ return 0;
+}
+
+static int readCalibrations(std::vector<AlscCalibration> &calibrations,
+ const libcamera::YamlObject &params,
+ std::string const &name, const Size &size)
+{
+ if (params.contains(name)) {
+ double lastCt = 0;
+ for (const auto &p : params[name].asList()) {
+ auto value = p["ct"].get<double>();
+ if (!value)
+ return -EINVAL;
+ double ct = *value;
+ if (ct <= lastCt) {
+ LOG(RPiAlsc, Error)
+ << "Entries in " << name << " must be in increasing ct order";
+ return -EINVAL;
+ }
+ AlscCalibration calibration;
+ calibration.ct = lastCt = ct;
+
+ const libcamera::YamlObject &table = p["table"];
+ if (table.size() != size.width * size.height) {
+ LOG(RPiAlsc, Error)
+ << "Incorrect number of values for ct "
+ << ct << " in " << name;
+ return -EINVAL;
+ }
+
+ int num = 0;
+ calibration.table.resize(size);
+ for (const auto &elem : table.asList()) {
+ value = elem.get<double>();
+ if (!value)
+ return -EINVAL;
+ calibration.table[num++] = *value;
+ }
+
+ calibrations.push_back(std::move(calibration));
+ LOG(RPiAlsc, Debug)
+ << "Read " << name << " calibration for ct " << ct;
+ }
+ }
+ return 0;
+}
+
+int Alsc::read(const libcamera::YamlObject &params)
+{
+ config_.tableSize = getHardwareConfig().awbRegions;
+ config_.framePeriod = params["frame_period"].get<uint16_t>(12);
+ config_.startupFrames = params["startup_frames"].get<uint16_t>(10);
+ config_.speed = params["speed"].get<double>(0.05);
+ double sigma = params["sigma"].get<double>(0.01);
+ config_.sigmaCr = params["sigma_Cr"].get<double>(sigma);
+ config_.sigmaCb = params["sigma_Cb"].get<double>(sigma);
+ config_.minCount = params["min_count"].get<double>(10.0);
+ config_.minG = params["min_G"].get<uint16_t>(50);
+ config_.omega = params["omega"].get<double>(1.3);
+ config_.nIter = params["n_iter"].get<uint32_t>(config_.tableSize.width + config_.tableSize.height);
+ config_.luminanceStrength =
+ params["luminance_strength"].get<double>(1.0);
+
+ config_.luminanceLut.resize(config_.tableSize, 1.0);
+ int ret = 0;
+
+ if (params.contains("corner_strength"))
+ ret = generateLut(config_.luminanceLut, params);
+ else if (params.contains("luminance_lut"))
+ ret = readLut(config_.luminanceLut, params["luminance_lut"]);
+ else
+ LOG(RPiAlsc, Warning)
+ << "no luminance table - assume unity everywhere";
+ if (ret)
+ return ret;
+
+ ret = readCalibrations(config_.calibrationsCr, params, "calibrations_Cr",
+ config_.tableSize);
+ if (ret)
+ return ret;
+ ret = readCalibrations(config_.calibrationsCb, params, "calibrations_Cb",
+ config_.tableSize);
+ if (ret)
+ return ret;
+
+ config_.defaultCt = params["default_ct"].get<double>(4500.0);
+ config_.threshold = params["threshold"].get<double>(1e-3);
+ config_.lambdaBound = params["lambda_bound"].get<double>(0.05);
+
+ return 0;
+}
+
+static double getCt(Metadata *metadata, double defaultCt);
+static void getCalTable(double ct, std::vector<AlscCalibration> const &calibrations,
+ Array2D<double> &calTable);
+static void resampleCalTable(const Array2D<double> &calTableIn, CameraMode const &cameraMode,
+ Array2D<double> &calTableOut);
+static void compensateLambdasForCal(const Array2D<double> &calTable,
+ const Array2D<double> &oldLambdas,
+ Array2D<double> &newLambdas);
+static void addLuminanceToTables(std::array<Array2D<double>, 3> &results,
+ const Array2D<double> &lambdaR, double lambdaG,
+ const Array2D<double> &lambdaB,
+ const Array2D<double> &luminanceLut,
+ double luminanceStrength);
+
+void Alsc::initialise()
+{
+ frameCount2_ = frameCount_ = framePhase_ = 0;
+ firstTime_ = true;
+ ct_ = config_.defaultCt;
+
+ const size_t XY = config_.tableSize.width * config_.tableSize.height;
+
+ for (auto &r : syncResults_)
+ r.resize(config_.tableSize);
+ for (auto &r : prevSyncResults_)
+ r.resize(config_.tableSize);
+ for (auto &r : asyncResults_)
+ r.resize(config_.tableSize);
+
+ luminanceTable_.resize(config_.tableSize);
+ asyncLambdaR_.resize(config_.tableSize);
+ asyncLambdaB_.resize(config_.tableSize);
+ /* The lambdas are initialised in the SwitchMode. */
+ lambdaR_.resize(config_.tableSize);
+ lambdaB_.resize(config_.tableSize);
+
+ /* Temporaries for the computations, but sensible to allocate this up-front! */
+ for (auto &c : tmpC_)
+ c.resize(config_.tableSize);
+ for (auto &m : tmpM_)
+ m.resize(XY);
+}
+
+void Alsc::waitForAysncThread()
+{
+ if (asyncStarted_) {
+ asyncStarted_ = false;
+ std::unique_lock<std::mutex> lock(mutex_);
+ syncSignal_.wait(lock, [&] {
+ return asyncFinished_;
+ });
+ asyncFinished_ = false;
+ }
+}
+
+static bool compareModes(CameraMode const &cm0, CameraMode const &cm1)
+{
+ /*
+ * Return true if the modes crop from the sensor significantly differently,
+ * or if the user transform has changed.
+ */
+ if (cm0.transform != cm1.transform)
+ return true;
+ int leftDiff = abs(cm0.cropX - cm1.cropX);
+ int topDiff = abs(cm0.cropY - cm1.cropY);
+ int rightDiff = fabs(cm0.cropX + cm0.scaleX * cm0.width -
+ cm1.cropX - cm1.scaleX * cm1.width);
+ int bottomDiff = fabs(cm0.cropY + cm0.scaleY * cm0.height -
+ cm1.cropY - cm1.scaleY * cm1.height);
+ /*
+ * These thresholds are a rather arbitrary amount chosen to trigger
+ * when carrying on with the previously calculated tables might be
+ * worse than regenerating them (but without the adaptive algorithm).
+ */
+ int thresholdX = cm0.sensorWidth >> 4;
+ int thresholdY = cm0.sensorHeight >> 4;
+ return leftDiff > thresholdX || rightDiff > thresholdX ||
+ topDiff > thresholdY || bottomDiff > thresholdY;
+}
+
+void Alsc::switchMode(CameraMode const &cameraMode,
+ [[maybe_unused]] Metadata *metadata)
+{
+ /*
+ * We're going to start over with the tables if there's any "significant"
+ * change.
+ */
+ bool resetTables = firstTime_ || compareModes(cameraMode_, cameraMode);
+
+ /* Believe the colour temperature from the AWB, if there is one. */
+ ct_ = getCt(metadata, ct_);
+
+ /* Ensure the other thread isn't running while we do this. */
+ waitForAysncThread();
+
+ cameraMode_ = cameraMode;
+
+ /*
+ * We must resample the luminance table like we do the others, but it's
+ * fixed so we can simply do it up front here.
+ */
+ resampleCalTable(config_.luminanceLut, cameraMode_, luminanceTable_);
+
+ if (resetTables) {
+ /*
+ * Upon every "table reset", arrange for something sensible to be
+ * generated. Construct the tables for the previous recorded colour
+ * temperature. In order to start over from scratch we initialise
+ * the lambdas, but the rest of this code then echoes the code in
+ * doAlsc, without the adaptive algorithm.
+ */
+ std::fill(lambdaR_.begin(), lambdaR_.end(), 1.0);
+ std::fill(lambdaB_.begin(), lambdaB_.end(), 1.0);
+ Array2D<double> &calTableR = tmpC_[0], &calTableB = tmpC_[1], &calTableTmp = tmpC_[2];
+ getCalTable(ct_, config_.calibrationsCr, calTableTmp);
+ resampleCalTable(calTableTmp, cameraMode_, calTableR);
+ getCalTable(ct_, config_.calibrationsCb, calTableTmp);
+ resampleCalTable(calTableTmp, cameraMode_, calTableB);
+ compensateLambdasForCal(calTableR, lambdaR_, asyncLambdaR_);
+ compensateLambdasForCal(calTableB, lambdaB_, asyncLambdaB_);
+ addLuminanceToTables(syncResults_, asyncLambdaR_, 1.0, asyncLambdaB_,
+ luminanceTable_, config_.luminanceStrength);
+ prevSyncResults_ = syncResults_;
+ framePhase_ = config_.framePeriod; /* run the algo again asap */
+ firstTime_ = false;
+ }
+}
+
+void Alsc::fetchAsyncResults()
+{
+ LOG(RPiAlsc, Debug) << "Fetch ALSC results";
+ asyncFinished_ = false;
+ asyncStarted_ = false;
+ syncResults_ = asyncResults_;
+}
+
+double getCt(Metadata *metadata, double defaultCt)
+{
+ AwbStatus awbStatus;
+ awbStatus.temperatureK = defaultCt; /* in case nothing found */
+ if (metadata->get("awb.status", awbStatus) != 0)
+ LOG(RPiAlsc, Debug) << "no AWB results found, using "
+ << awbStatus.temperatureK;
+ else
+ LOG(RPiAlsc, Debug) << "AWB results found, using "
+ << awbStatus.temperatureK;
+ return awbStatus.temperatureK;
+}
+
+static void copyStats(RgbyRegions &regions, StatisticsPtr &stats,
+ std::array<Array2D<double>, 3> &prevSyncResults)
+{
+ if (!regions.numRegions())
+ regions.init(stats->awbRegions.size());
+
+ const std::vector<double> &rTable = prevSyncResults[0].data(); //status.r;
+ const std::vector<double> &gTable = prevSyncResults[1].data(); //status.g;
+ const std::vector<double> &bTable = prevSyncResults[2].data(); //status.b;
+ for (unsigned int i = 0; i < stats->awbRegions.numRegions(); i++) {
+ auto r = stats->awbRegions.get(i);
+ if (stats->colourStatsPos == Statistics::ColourStatsPos::PostLsc) {
+ r.val.rSum = static_cast<uint64_t>(r.val.rSum / rTable[i]);
+ r.val.gSum = static_cast<uint64_t>(r.val.gSum / gTable[i]);
+ r.val.bSum = static_cast<uint64_t>(r.val.bSum / bTable[i]);
+ }
+ regions.set(i, r);
+ }
+}
+
+void Alsc::restartAsync(StatisticsPtr &stats, Metadata *imageMetadata)
+{
+ LOG(RPiAlsc, Debug) << "Starting ALSC calculation";
+ /*
+ * Get the current colour temperature. It's all we need from the
+ * metadata. Default to the last CT value (which could be the default).
+ */
+ ct_ = getCt(imageMetadata, ct_);
+ /*
+ * We have to copy the statistics here, dividing out our best guess of
+ * the LSC table that the pipeline applied to them which we get from
+ * prevSyncResults_.
+ */
+ copyStats(statistics_, stats, prevSyncResults_);
+ framePhase_ = 0;
+ asyncStarted_ = true;
+ {
+ std::lock_guard<std::mutex> lock(mutex_);
+ asyncStart_ = true;
+ }
+ asyncSignal_.notify_one();
+}
+
+void Alsc::prepare(Metadata *imageMetadata)
+{
+ /*
+ * Count frames since we started, and since we last poked the async
+ * thread.
+ */
+ if (frameCount_ < (int)config_.startupFrames)
+ frameCount_++;
+ double speed = frameCount_ < (int)config_.startupFrames
+ ? 1.0
+ : config_.speed;
+ LOG(RPiAlsc, Debug)
+ << "frame count " << frameCount_ << " speed " << speed;
+ {
+ std::unique_lock<std::mutex> lock(mutex_);
+ if (asyncStarted_ && asyncFinished_)
+ fetchAsyncResults();
+ }
+ /* Apply IIR filter to results and program into the pipeline. */
+ for (unsigned int j = 0; j < syncResults_.size(); j++) {
+ for (unsigned int i = 0; i < syncResults_[j].size(); i++)
+ prevSyncResults_[j][i] = speed * syncResults_[j][i] + (1.0 - speed) * prevSyncResults_[j][i];
+ }
+ /* Put output values into status metadata. */
+ AlscStatus status;
+ status.r = prevSyncResults_[0].data();
+ status.g = prevSyncResults_[1].data();
+ status.b = prevSyncResults_[2].data();
+ imageMetadata->set("alsc.status", status);
+ /*
+ * Put the results in the global metadata as well. This will be used by
+ * AWB to factor in the colour shading correction.
+ */
+ getGlobalMetadata().set("alsc.status", status);
+}
+
+void Alsc::process(StatisticsPtr &stats, Metadata *imageMetadata)
+{
+ /*
+ * Count frames since we started, and since we last poked the async
+ * thread.
+ */
+ if (framePhase_ < (int)config_.framePeriod)
+ framePhase_++;
+ if (frameCount2_ < (int)config_.startupFrames)
+ frameCount2_++;
+ LOG(RPiAlsc, Debug) << "frame_phase " << framePhase_;
+ if (framePhase_ >= (int)config_.framePeriod ||
+ frameCount2_ < (int)config_.startupFrames) {
+ if (asyncStarted_ == false)
+ restartAsync(stats, imageMetadata);
+ }
+}
+
+void Alsc::asyncFunc()
+{
+ while (true) {
+ {
+ std::unique_lock<std::mutex> lock(mutex_);
+ asyncSignal_.wait(lock, [&] {
+ return asyncStart_ || asyncAbort_;
+ });
+ asyncStart_ = false;
+ if (asyncAbort_)
+ break;
+ }
+ doAlsc();
+ {
+ std::lock_guard<std::mutex> lock(mutex_);
+ asyncFinished_ = true;
+ }
+ syncSignal_.notify_one();
+ }
+}
+
+void getCalTable(double ct, std::vector<AlscCalibration> const &calibrations,
+ Array2D<double> &calTable)
+{
+ if (calibrations.empty()) {
+ std::fill(calTable.begin(), calTable.end(), 1.0);
+ LOG(RPiAlsc, Debug) << "no calibrations found";
+ } else if (ct <= calibrations.front().ct) {
+ calTable = calibrations.front().table;
+ LOG(RPiAlsc, Debug) << "using calibration for "
+ << calibrations.front().ct;
+ } else if (ct >= calibrations.back().ct) {
+ calTable = calibrations.back().table;
+ LOG(RPiAlsc, Debug) << "using calibration for "
+ << calibrations.back().ct;
+ } else {
+ int idx = 0;
+ while (ct > calibrations[idx + 1].ct)
+ idx++;
+ double ct0 = calibrations[idx].ct, ct1 = calibrations[idx + 1].ct;
+ LOG(RPiAlsc, Debug)
+ << "ct is " << ct << ", interpolating between "
+ << ct0 << " and " << ct1;
+ for (unsigned int i = 0; i < calTable.size(); i++)
+ calTable[i] =
+ (calibrations[idx].table[i] * (ct1 - ct) +
+ calibrations[idx + 1].table[i] * (ct - ct0)) /
+ (ct1 - ct0);
+ }
+}
+
+void resampleCalTable(const Array2D<double> &calTableIn,
+ CameraMode const &cameraMode,
+ Array2D<double> &calTableOut)
+{
+ int X = calTableIn.dimensions().width;
+ int Y = calTableIn.dimensions().height;
+
+ /*
+ * Precalculate and cache the x sampling locations and phases to save
+ * recomputing them on every row.
+ */
+ int xLo[X], xHi[X];
+ double xf[X];
+ double scaleX = cameraMode.sensorWidth /
+ (cameraMode.width * cameraMode.scaleX);
+ double xOff = cameraMode.cropX / (double)cameraMode.sensorWidth;
+ double x = .5 / scaleX + xOff * X - .5;
+ double xInc = 1 / scaleX;
+ for (int i = 0; i < X; i++, x += xInc) {
+ xLo[i] = floor(x);
+ xf[i] = x - xLo[i];
+ xHi[i] = std::min(xLo[i] + 1, X - 1);
+ xLo[i] = std::max(xLo[i], 0);
+ if (!!(cameraMode.transform & libcamera::Transform::HFlip)) {
+ xLo[i] = X - 1 - xLo[i];
+ xHi[i] = X - 1 - xHi[i];
+ }
+ }
+ /* Now march over the output table generating the new values. */
+ double scaleY = cameraMode.sensorHeight /
+ (cameraMode.height * cameraMode.scaleY);
+ double yOff = cameraMode.cropY / (double)cameraMode.sensorHeight;
+ double y = .5 / scaleY + yOff * Y - .5;
+ double yInc = 1 / scaleY;
+ for (int j = 0; j < Y; j++, y += yInc) {
+ int yLo = floor(y);
+ double yf = y - yLo;
+ int yHi = std::min(yLo + 1, Y - 1);
+ yLo = std::max(yLo, 0);
+ if (!!(cameraMode.transform & libcamera::Transform::VFlip)) {
+ yLo = Y - 1 - yLo;
+ yHi = Y - 1 - yHi;
+ }
+ double const *rowAbove = calTableIn.ptr() + X * yLo;
+ double const *rowBelow = calTableIn.ptr() + X * yHi;
+ double *out = calTableOut.ptr() + X * j;
+ for (int i = 0; i < X; i++) {
+ double above = rowAbove[xLo[i]] * (1 - xf[i]) +
+ rowAbove[xHi[i]] * xf[i];
+ double below = rowBelow[xLo[i]] * (1 - xf[i]) +
+ rowBelow[xHi[i]] * xf[i];
+ *(out++) = above * (1 - yf) + below * yf;
+ }
+ }
+}
+
+/* Calculate chrominance statistics (R/G and B/G) for each region. */
+static void calculateCrCb(const RgbyRegions &awbRegion, Array2D<double> &cr,
+ Array2D<double> &cb, uint32_t minCount, uint16_t minG)
+{
+ for (unsigned int i = 0; i < cr.size(); i++) {
+ auto s = awbRegion.get(i);
+
+ /* Do not return unreliable, or zero, colour ratio statistics. */
+ if (s.counted <= minCount || s.val.gSum / s.counted <= minG ||
+ s.val.rSum / s.counted <= minG || s.val.bSum / s.counted <= minG) {
+ cr[i] = cb[i] = InsufficientData;
+ continue;
+ }
+
+ cr[i] = s.val.rSum / (double)s.val.gSum;
+ cb[i] = s.val.bSum / (double)s.val.gSum;
+ }
+}
+
+static void applyCalTable(const Array2D<double> &calTable, Array2D<double> &C)
+{
+ for (unsigned int i = 0; i < C.size(); i++)
+ if (C[i] != InsufficientData)
+ C[i] *= calTable[i];
+}
+
+void compensateLambdasForCal(const Array2D<double> &calTable,
+ const Array2D<double> &oldLambdas,
+ Array2D<double> &newLambdas)
+{
+ double minNewLambda = std::numeric_limits<double>::max();
+ for (unsigned int i = 0; i < newLambdas.size(); i++) {
+ newLambdas[i] = oldLambdas[i] * calTable[i];
+ minNewLambda = std::min(minNewLambda, newLambdas[i]);
+ }
+ for (unsigned int i = 0; i < newLambdas.size(); i++)
+ newLambdas[i] /= minNewLambda;
+}
+
+[[maybe_unused]] static void printCalTable(const Array2D<double> &C)
+{
+ const Size &size = C.dimensions();
+ printf("table: [\n");
+ for (unsigned int j = 0; j < size.height; j++) {
+ for (unsigned int i = 0; i < size.width; i++) {
+ printf("%5.3f", 1.0 / C[j * size.width + i]);
+ if (i != size.width - 1 || j != size.height - 1)
+ printf(",");
+ }
+ printf("\n");
+ }
+ printf("]\n");
+}
+
+/*
+ * Compute weight out of 1.0 which reflects how similar we wish to make the
+ * colours of these two regions.
+ */
+static double computeWeight(double Ci, double Cj, double sigma)
+{
+ if (Ci == InsufficientData || Cj == InsufficientData)
+ return 0;
+ double diff = (Ci - Cj) / sigma;
+ return exp(-diff * diff / 2);
+}
+
+/* Compute all weights. */
+static void computeW(const Array2D<double> &C, double sigma,
+ SparseArray<double> &W)
+{
+ size_t XY = C.size();
+ size_t X = C.dimensions().width;
+
+ for (unsigned int i = 0; i < XY; i++) {
+ /* Start with neighbour above and go clockwise. */
+ W[i][0] = i >= X ? computeWeight(C[i], C[i - X], sigma) : 0;
+ W[i][1] = i % X < X - 1 ? computeWeight(C[i], C[i + 1], sigma) : 0;
+ W[i][2] = i < XY - X ? computeWeight(C[i], C[i + X], sigma) : 0;
+ W[i][3] = i % X ? computeWeight(C[i], C[i - 1], sigma) : 0;
+ }
+}
+
+/* Compute M, the large but sparse matrix such that M * lambdas = 0. */
+static void constructM(const Array2D<double> &C,
+ const SparseArray<double> &W,
+ SparseArray<double> &M)
+{
+ size_t XY = C.size();
+ size_t X = C.dimensions().width;
+
+ double epsilon = 0.001;
+ for (unsigned int i = 0; i < XY; i++) {
+ /*
+ * Note how, if C[i] == INSUFFICIENT_DATA, the weights will all
+ * be zero so the equation is still set up correctly.
+ */
+ int m = !!(i >= X) + !!(i % X < X - 1) + !!(i < XY - X) +
+ !!(i % X); /* total number of neighbours */
+ /* we'll divide the diagonal out straight away */
+ double diagonal = (epsilon + W[i][0] + W[i][1] + W[i][2] + W[i][3]) * C[i];
+ M[i][0] = i >= X ? (W[i][0] * C[i - X] + epsilon / m * C[i]) / diagonal : 0;
+ M[i][1] = i % X < X - 1 ? (W[i][1] * C[i + 1] + epsilon / m * C[i]) / diagonal : 0;
+ M[i][2] = i < XY - X ? (W[i][2] * C[i + X] + epsilon / m * C[i]) / diagonal : 0;
+ M[i][3] = i % X ? (W[i][3] * C[i - 1] + epsilon / m * C[i]) / diagonal : 0;
+ }
+}
+
+/*
+ * In the compute_lambda_ functions, note that the matrix coefficients for the
+ * left/right neighbours are zero down the left/right edges, so we don't need
+ * need to test the i value to exclude them.
+ */
+static double computeLambdaBottom(int i, const SparseArray<double> &M,
+ Array2D<double> &lambda)
+{
+ return M[i][1] * lambda[i + 1] + M[i][2] * lambda[i + lambda.dimensions().width] +
+ M[i][3] * lambda[i - 1];
+}
+static double computeLambdaBottomStart(int i, const SparseArray<double> &M,
+ Array2D<double> &lambda)
+{
+ return M[i][1] * lambda[i + 1] + M[i][2] * lambda[i + lambda.dimensions().width];
+}
+static double computeLambdaInterior(int i, const SparseArray<double> &M,
+ Array2D<double> &lambda)
+{
+ return M[i][0] * lambda[i - lambda.dimensions().width] + M[i][1] * lambda[i + 1] +
+ M[i][2] * lambda[i + lambda.dimensions().width] + M[i][3] * lambda[i - 1];
+}
+static double computeLambdaTop(int i, const SparseArray<double> &M,
+ Array2D<double> &lambda)
+{
+ return M[i][0] * lambda[i - lambda.dimensions().width] + M[i][1] * lambda[i + 1] +
+ M[i][3] * lambda[i - 1];
+}
+static double computeLambdaTopEnd(int i, const SparseArray<double> &M,
+ Array2D<double> &lambda)
+{
+ return M[i][0] * lambda[i - lambda.dimensions().width] + M[i][3] * lambda[i - 1];
+}
+
+/* Gauss-Seidel iteration with over-relaxation. */
+static double gaussSeidel2Sor(const SparseArray<double> &M, double omega,
+ Array2D<double> &lambda, double lambdaBound)
+{
+ int XY = lambda.size();
+ int X = lambda.dimensions().width;
+ const double min = 1 - lambdaBound, max = 1 + lambdaBound;
+ Array2D<double> oldLambda = lambda;
+ int i;
+ lambda[0] = computeLambdaBottomStart(0, M, lambda);
+ lambda[0] = std::clamp(lambda[0], min, max);
+ for (i = 1; i < X; i++) {
+ lambda[i] = computeLambdaBottom(i, M, lambda);
+ lambda[i] = std::clamp(lambda[i], min, max);
+ }
+ for (; i < XY - X; i++) {
+ lambda[i] = computeLambdaInterior(i, M, lambda);
+ lambda[i] = std::clamp(lambda[i], min, max);
+ }
+ for (; i < XY - 1; i++) {
+ lambda[i] = computeLambdaTop(i, M, lambda);
+ lambda[i] = std::clamp(lambda[i], min, max);
+ }
+ lambda[i] = computeLambdaTopEnd(i, M, lambda);
+ lambda[i] = std::clamp(lambda[i], min, max);
+ /*
+ * Also solve the system from bottom to top, to help spread the updates
+ * better.
+ */
+ lambda[i] = computeLambdaTopEnd(i, M, lambda);
+ lambda[i] = std::clamp(lambda[i], min, max);
+ for (i = XY - 2; i >= XY - X; i--) {
+ lambda[i] = computeLambdaTop(i, M, lambda);
+ lambda[i] = std::clamp(lambda[i], min, max);
+ }
+ for (; i >= X; i--) {
+ lambda[i] = computeLambdaInterior(i, M, lambda);
+ lambda[i] = std::clamp(lambda[i], min, max);
+ }
+ for (; i >= 1; i--) {
+ lambda[i] = computeLambdaBottom(i, M, lambda);
+ lambda[i] = std::clamp(lambda[i], min, max);
+ }
+ lambda[0] = computeLambdaBottomStart(0, M, lambda);
+ lambda[0] = std::clamp(lambda[0], min, max);
+ double maxDiff = 0;
+ for (i = 0; i < XY; i++) {
+ lambda[i] = oldLambda[i] + (lambda[i] - oldLambda[i]) * omega;
+ if (fabs(lambda[i] - oldLambda[i]) > fabs(maxDiff))
+ maxDiff = lambda[i] - oldLambda[i];
+ }
+ return maxDiff;
+}
+
+/* Normalise the values so that the smallest value is 1. */
+static void normalise(Array2D<double> &results)
+{
+ double minval = *std::min_element(results.begin(), results.end());
+ std::for_each(results.begin(), results.end(),
+ [minval](double val) { return val / minval; });
+}
+
+/* Rescale the values so that the average value is 1. */
+static void reaverage(Array2D<double> &data)
+{
+ double sum = std::accumulate(data.begin(), data.end(), 0.0);
+ double ratio = 1 / (sum / data.size());
+ std::for_each(data.begin(), data.end(),
+ [ratio](double val) { return val * ratio; });
+}
+
+static void runMatrixIterations(const Array2D<double> &C,
+ Array2D<double> &lambda,
+ const SparseArray<double> &W,
+ SparseArray<double> &M, double omega,
+ unsigned int nIter, double threshold, double lambdaBound)
+{
+ constructM(C, W, M);
+ double lastMaxDiff = std::numeric_limits<double>::max();
+ for (unsigned int i = 0; i < nIter; i++) {
+ double maxDiff = fabs(gaussSeidel2Sor(M, omega, lambda, lambdaBound));
+ if (maxDiff < threshold) {
+ LOG(RPiAlsc, Debug)
+ << "Stop after " << i + 1 << " iterations";
+ break;
+ }
+ /*
+ * this happens very occasionally (so make a note), though
+ * doesn't seem to matter
+ */
+ if (maxDiff > lastMaxDiff)
+ LOG(RPiAlsc, Debug)
+ << "Iteration " << i << ": maxDiff gone up "
+ << lastMaxDiff << " to " << maxDiff;
+ lastMaxDiff = maxDiff;
+ }
+ /* We're going to normalise the lambdas so the total average is 1. */
+ reaverage(lambda);
+}
+
+static void addLuminanceRb(Array2D<double> &result, const Array2D<double> &lambda,
+ const Array2D<double> &luminanceLut,
+ double luminanceStrength)
+{
+ for (unsigned int i = 0; i < result.size(); i++)
+ result[i] = lambda[i] * ((luminanceLut[i] - 1) * luminanceStrength + 1);
+}
+
+static void addLuminanceG(Array2D<double> &result, double lambda,
+ const Array2D<double> &luminanceLut,
+ double luminanceStrength)
+{
+ for (unsigned int i = 0; i < result.size(); i++)
+ result[i] = lambda * ((luminanceLut[i] - 1) * luminanceStrength + 1);
+}
+
+void addLuminanceToTables(std::array<Array2D<double>, 3> &results,
+ const Array2D<double> &lambdaR,
+ double lambdaG, const Array2D<double> &lambdaB,
+ const Array2D<double> &luminanceLut,
+ double luminanceStrength)
+{
+ addLuminanceRb(results[0], lambdaR, luminanceLut, luminanceStrength);
+ addLuminanceG(results[1], lambdaG, luminanceLut, luminanceStrength);
+ addLuminanceRb(results[2], lambdaB, luminanceLut, luminanceStrength);
+ for (auto &r : results)
+ normalise(r);
+}
+
+void Alsc::doAlsc()
+{
+ Array2D<double> &cr = tmpC_[0], &cb = tmpC_[1], &calTableR = tmpC_[2],
+ &calTableB = tmpC_[3], &calTableTmp = tmpC_[4];
+ SparseArray<double> &wr = tmpM_[0], &wb = tmpM_[1], &M = tmpM_[2];
+
+ /*
+ * Calculate our R/B ("Cr"/"Cb") colour statistics, and assess which are
+ * usable.
+ */
+ calculateCrCb(statistics_, cr, cb, config_.minCount, config_.minG);
+ /*
+ * Fetch the new calibrations (if any) for this CT. Resample them in
+ * case the camera mode is not full-frame.
+ */
+ getCalTable(ct_, config_.calibrationsCr, calTableTmp);
+ resampleCalTable(calTableTmp, cameraMode_, calTableR);
+ getCalTable(ct_, config_.calibrationsCb, calTableTmp);
+ resampleCalTable(calTableTmp, cameraMode_, calTableB);
+ /*
+ * You could print out the cal tables for this image here, if you're
+ * tuning the algorithm...
+ * Apply any calibration to the statistics, so the adaptive algorithm
+ * makes only the extra adjustments.
+ */
+ applyCalTable(calTableR, cr);
+ applyCalTable(calTableB, cb);
+ /* Compute weights between zones. */
+ computeW(cr, config_.sigmaCr, wr);
+ computeW(cb, config_.sigmaCb, wb);
+ /* Run Gauss-Seidel iterations over the resulting matrix, for R and B. */
+ runMatrixIterations(cr, lambdaR_, wr, M, config_.omega, config_.nIter,
+ config_.threshold, config_.lambdaBound);
+ runMatrixIterations(cb, lambdaB_, wb, M, config_.omega, config_.nIter,
+ config_.threshold, config_.lambdaBound);
+ /*
+ * Fold the calibrated gains into our final lambda values. (Note that on
+ * the next run, we re-start with the lambda values that don't have the
+ * calibration gains included.)
+ */
+ compensateLambdasForCal(calTableR, lambdaR_, asyncLambdaR_);
+ compensateLambdasForCal(calTableB, lambdaB_, asyncLambdaB_);
+ /* Fold in the luminance table at the appropriate strength. */
+ addLuminanceToTables(asyncResults_, asyncLambdaR_, 1.0,
+ asyncLambdaB_, luminanceTable_,
+ config_.luminanceStrength);
+}
+
+/* Register algorithm with the system. */
+static Algorithm *create(Controller *controller)
+{
+ return (Algorithm *)new Alsc(controller);
+}
+static RegisterAlgorithm reg(NAME, &create);
diff --git a/src/ipa/rpi/controller/rpi/alsc.h b/src/ipa/rpi/controller/rpi/alsc.h
new file mode 100644
index 00000000..31087982
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/alsc.h
@@ -0,0 +1,174 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * ALSC (auto lens shading correction) control algorithm
+ */
+#pragma once
+
+#include <array>
+#include <mutex>
+#include <condition_variable>
+#include <thread>
+#include <vector>
+
+#include <libcamera/geometry.h>
+
+#include "../algorithm.h"
+#include "../alsc_status.h"
+#include "../statistics.h"
+
+namespace RPiController {
+
+/* Algorithm to generate automagic LSC (Lens Shading Correction) tables. */
+
+/*
+ * The Array2D class is a very thin wrapper round std::vector so that it can
+ * be used in exactly the same way in the code but carries its correct width
+ * and height ("dimensions") with it.
+ */
+
+template<typename T>
+class Array2D
+{
+public:
+ using Size = libcamera::Size;
+
+ const Size &dimensions() const { return dimensions_; }
+
+ size_t size() const { return data_.size(); }
+
+ const std::vector<T> &data() const { return data_; }
+
+ void resize(const Size &dims)
+ {
+ dimensions_ = dims;
+ data_.resize(dims.width * dims.height);
+ }
+
+ void resize(const Size &dims, const T &value)
+ {
+ resize(dims);
+ std::fill(data_.begin(), data_.end(), value);
+ }
+
+ T &operator[](int index) { return data_[index]; }
+
+ const T &operator[](int index) const { return data_[index]; }
+
+ T *ptr() { return data_.data(); }
+
+ const T *ptr() const { return data_.data(); }
+
+ auto begin() { return data_.begin(); }
+ auto end() { return data_.end(); }
+
+private:
+ Size dimensions_;
+ std::vector<T> data_;
+};
+
+/*
+ * We'll use the term SparseArray for the large sparse matrices that are
+ * XY tall but have only 4 non-zero elements on each row.
+ */
+
+template<typename T>
+using SparseArray = std::vector<std::array<T, 4>>;
+
+struct AlscCalibration {
+ double ct;
+ Array2D<double> table;
+};
+
+struct AlscConfig {
+ /* Only repeat the ALSC calculation every "this many" frames */
+ uint16_t framePeriod;
+ /* number of initial frames for which speed taken as 1.0 (maximum) */
+ uint16_t startupFrames;
+ /* IIR filter speed applied to algorithm results */
+ double speed;
+ double sigmaCr;
+ double sigmaCb;
+ double minCount;
+ uint16_t minG;
+ double omega;
+ uint32_t nIter;
+ Array2D<double> luminanceLut;
+ double luminanceStrength;
+ std::vector<AlscCalibration> calibrationsCr;
+ std::vector<AlscCalibration> calibrationsCb;
+ double defaultCt; /* colour temperature if no metadata found */
+ double threshold; /* iteration termination threshold */
+ double lambdaBound; /* upper/lower bound for lambda from a value of 1 */
+ libcamera::Size tableSize;
+};
+
+class Alsc : public Algorithm
+{
+public:
+ Alsc(Controller *controller = NULL);
+ ~Alsc();
+ char const *name() const override;
+ void initialise() override;
+ void switchMode(CameraMode const &cameraMode, Metadata *metadata) override;
+ int read(const libcamera::YamlObject &params) override;
+ void prepare(Metadata *imageMetadata) override;
+ void process(StatisticsPtr &stats, Metadata *imageMetadata) override;
+
+private:
+ /* configuration is read-only, and available to both threads */
+ AlscConfig config_;
+ bool firstTime_;
+ CameraMode cameraMode_;
+ Array2D<double> luminanceTable_;
+ std::thread asyncThread_;
+ void asyncFunc(); /* asynchronous thread function */
+ std::mutex mutex_;
+ /* condvar for async thread to wait on */
+ std::condition_variable asyncSignal_;
+ /* condvar for synchronous thread to wait on */
+ std::condition_variable syncSignal_;
+ /* for sync thread to check if async thread finished (requires mutex) */
+ bool asyncFinished_;
+ /* for async thread to check if it's been told to run (requires mutex) */
+ bool asyncStart_;
+ /* for async thread to check if it's been told to quit (requires mutex) */
+ bool asyncAbort_;
+
+ /*
+ * The following are only for the synchronous thread to use:
+ * for sync thread to note its has asked async thread to run
+ */
+ bool asyncStarted_;
+ /* counts up to framePeriod before restarting the async thread */
+ int framePhase_;
+ /* counts up to startupFrames */
+ int frameCount_;
+ /* counts up to startupFrames for Process function */
+ int frameCount2_;
+ std::array<Array2D<double>, 3> syncResults_;
+ std::array<Array2D<double>, 3> prevSyncResults_;
+ void waitForAysncThread();
+ /*
+ * The following are for the asynchronous thread to use, though the main
+ * thread can set/reset them if the async thread is known to be idle:
+ */
+ void restartAsync(StatisticsPtr &stats, Metadata *imageMetadata);
+ /* copy out the results from the async thread so that it can be restarted */
+ void fetchAsyncResults();
+ double ct_;
+ RgbyRegions statistics_;
+ std::array<Array2D<double>, 3> asyncResults_;
+ Array2D<double> asyncLambdaR_;
+ Array2D<double> asyncLambdaB_;
+ void doAlsc();
+ Array2D<double> lambdaR_;
+ Array2D<double> lambdaB_;
+
+ /* Temporaries for the computations */
+ std::array<Array2D<double>, 5> tmpC_;
+ std::array<SparseArray<double>, 3> tmpM_;
+};
+
+} /* namespace RPiController */
diff --git a/src/ipa/rpi/controller/rpi/awb.cpp b/src/ipa/rpi/controller/rpi/awb.cpp
new file mode 100644
index 00000000..abe5906e
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/awb.cpp
@@ -0,0 +1,751 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * AWB control algorithm
+ */
+
+#include <assert.h>
+#include <functional>
+
+#include <libcamera/base/log.h>
+
+#include "../lux_status.h"
+
+#include "alsc_status.h"
+#include "awb.h"
+
+using namespace RPiController;
+using namespace libcamera;
+
+LOG_DEFINE_CATEGORY(RPiAwb)
+
+#define NAME "rpi.awb"
+
+/*
+ * todo - the locking in this algorithm needs some tidying up as has been done
+ * elsewhere (ALSC and AGC).
+ */
+
+int AwbMode::read(const libcamera::YamlObject &params)
+{
+ auto value = params["lo"].get<double>();
+ if (!value)
+ return -EINVAL;
+ ctLo = *value;
+
+ value = params["hi"].get<double>();
+ if (!value)
+ return -EINVAL;
+ ctHi = *value;
+
+ return 0;
+}
+
+int AwbPrior::read(const libcamera::YamlObject &params)
+{
+ auto value = params["lux"].get<double>();
+ if (!value)
+ return -EINVAL;
+ lux = *value;
+
+ return prior.read(params["prior"]);
+}
+
+static int readCtCurve(Pwl &ctR, Pwl &ctB, const libcamera::YamlObject &params)
+{
+ if (params.size() % 3) {
+ LOG(RPiAwb, Error) << "AwbConfig: incomplete CT curve entry";
+ return -EINVAL;
+ }
+
+ if (params.size() < 6) {
+ LOG(RPiAwb, Error) << "AwbConfig: insufficient points in CT curve";
+ return -EINVAL;
+ }
+
+ const auto &list = params.asList();
+
+ for (auto it = list.begin(); it != list.end(); it++) {
+ auto value = it->get<double>();
+ if (!value)
+ return -EINVAL;
+ double ct = *value;
+
+ assert(it == list.begin() || ct != ctR.domain().end);
+
+ value = (++it)->get<double>();
+ if (!value)
+ return -EINVAL;
+ ctR.append(ct, *value);
+
+ value = (++it)->get<double>();
+ if (!value)
+ return -EINVAL;
+ ctB.append(ct, *value);
+ }
+
+ return 0;
+}
+
+int AwbConfig::read(const libcamera::YamlObject &params)
+{
+ int ret;
+
+ bayes = params["bayes"].get<int>(1);
+ framePeriod = params["frame_period"].get<uint16_t>(10);
+ startupFrames = params["startup_frames"].get<uint16_t>(10);
+ convergenceFrames = params["convergence_frames"].get<unsigned int>(3);
+ speed = params["speed"].get<double>(0.05);
+
+ if (params.contains("ct_curve")) {
+ ret = readCtCurve(ctR, ctB, params["ct_curve"]);
+ if (ret)
+ return ret;
+ /* We will want the inverse functions of these too. */
+ ctRInverse = ctR.inverse();
+ ctBInverse = ctB.inverse();
+ }
+
+ if (params.contains("priors")) {
+ for (const auto &p : params["priors"].asList()) {
+ AwbPrior prior;
+ ret = prior.read(p);
+ if (ret)
+ return ret;
+ if (!priors.empty() && prior.lux <= priors.back().lux) {
+ LOG(RPiAwb, Error) << "AwbConfig: Prior must be ordered in increasing lux value";
+ return -EINVAL;
+ }
+ priors.push_back(prior);
+ }
+ if (priors.empty()) {
+ LOG(RPiAwb, Error) << "AwbConfig: no AWB priors configured";
+ return ret;
+ }
+ }
+ if (params.contains("modes")) {
+ for (const auto &[key, value] : params["modes"].asDict()) {
+ ret = modes[key].read(value);
+ if (ret)
+ return ret;
+ if (defaultMode == nullptr)
+ defaultMode = &modes[key];
+ }
+ if (defaultMode == nullptr) {
+ LOG(RPiAwb, Error) << "AwbConfig: no AWB modes configured";
+ return -EINVAL;
+ }
+ }
+
+ minPixels = params["min_pixels"].get<double>(16.0);
+ minG = params["min_G"].get<uint16_t>(32);
+ minRegions = params["min_regions"].get<uint32_t>(10);
+ deltaLimit = params["delta_limit"].get<double>(0.2);
+ coarseStep = params["coarse_step"].get<double>(0.2);
+ transversePos = params["transverse_pos"].get<double>(0.01);
+ transverseNeg = params["transverse_neg"].get<double>(0.01);
+ if (transversePos <= 0 || transverseNeg <= 0) {
+ LOG(RPiAwb, Error) << "AwbConfig: transverse_pos/neg must be > 0";
+ return -EINVAL;
+ }
+
+ sensitivityR = params["sensitivity_r"].get<double>(1.0);
+ sensitivityB = params["sensitivity_b"].get<double>(1.0);
+
+ if (bayes) {
+ if (ctR.empty() || ctB.empty() || priors.empty() ||
+ defaultMode == nullptr) {
+ LOG(RPiAwb, Warning)
+ << "Bayesian AWB mis-configured - switch to Grey method";
+ bayes = false;
+ }
+ }
+ fast = params[fast].get<int>(bayes); /* default to fast for Bayesian, otherwise slow */
+ whitepointR = params["whitepoint_r"].get<double>(0.0);
+ whitepointB = params["whitepoint_b"].get<double>(0.0);
+ if (bayes == false)
+ sensitivityR = sensitivityB = 1.0; /* nor do sensitivities make any sense */
+ return 0;
+}
+
+Awb::Awb(Controller *controller)
+ : AwbAlgorithm(controller)
+{
+ asyncAbort_ = asyncStart_ = asyncStarted_ = asyncFinished_ = false;
+ mode_ = nullptr;
+ manualR_ = manualB_ = 0.0;
+ asyncThread_ = std::thread(std::bind(&Awb::asyncFunc, this));
+}
+
+Awb::~Awb()
+{
+ {
+ std::lock_guard<std::mutex> lock(mutex_);
+ asyncAbort_ = true;
+ }
+ asyncSignal_.notify_one();
+ asyncThread_.join();
+}
+
+char const *Awb::name() const
+{
+ return NAME;
+}
+
+int Awb::read(const libcamera::YamlObject &params)
+{
+ return config_.read(params);
+}
+
+void Awb::initialise()
+{
+ frameCount_ = framePhase_ = 0;
+ /*
+ * Put something sane into the status that we are filtering towards,
+ * just in case the first few frames don't have anything meaningful in
+ * them.
+ */
+ if (!config_.ctR.empty() && !config_.ctB.empty()) {
+ syncResults_.temperatureK = config_.ctR.domain().clip(4000);
+ syncResults_.gainR = 1.0 / config_.ctR.eval(syncResults_.temperatureK);
+ syncResults_.gainG = 1.0;
+ syncResults_.gainB = 1.0 / config_.ctB.eval(syncResults_.temperatureK);
+ } else {
+ /* random values just to stop the world blowing up */
+ syncResults_.temperatureK = 4500;
+ syncResults_.gainR = syncResults_.gainG = syncResults_.gainB = 1.0;
+ }
+ prevSyncResults_ = syncResults_;
+ asyncResults_ = syncResults_;
+}
+
+void Awb::initialValues(double &gainR, double &gainB)
+{
+ gainR = syncResults_.gainR;
+ gainB = syncResults_.gainB;
+}
+
+void Awb::disableAuto()
+{
+ /* Freeze the most recent values, and treat them as manual gains */
+ manualR_ = syncResults_.gainR = prevSyncResults_.gainR;
+ manualB_ = syncResults_.gainB = prevSyncResults_.gainB;
+ syncResults_.gainG = prevSyncResults_.gainG;
+ syncResults_.temperatureK = prevSyncResults_.temperatureK;
+}
+
+void Awb::enableAuto()
+{
+ manualR_ = 0.0;
+ manualB_ = 0.0;
+}
+
+unsigned int Awb::getConvergenceFrames() const
+{
+ /*
+ * If not in auto mode, there is no convergence
+ * to happen, so no need to drop any frames - return zero.
+ */
+ if (!isAutoEnabled())
+ return 0;
+ else
+ return config_.convergenceFrames;
+}
+
+void Awb::setMode(std::string const &modeName)
+{
+ modeName_ = modeName;
+}
+
+void Awb::setManualGains(double manualR, double manualB)
+{
+ /* If any of these are 0.0, we swich back to auto. */
+ manualR_ = manualR;
+ manualB_ = manualB;
+ /*
+ * If not in auto mode, set these values into the syncResults which
+ * means that Prepare() will adopt them immediately.
+ */
+ if (!isAutoEnabled()) {
+ syncResults_.gainR = prevSyncResults_.gainR = manualR_;
+ syncResults_.gainG = prevSyncResults_.gainG = 1.0;
+ syncResults_.gainB = prevSyncResults_.gainB = manualB_;
+ if (config_.bayes) {
+ /* Also estimate the best corresponding colour temperature from the curves. */
+ double ctR = config_.ctRInverse.eval(config_.ctRInverse.domain().clip(1 / manualR_));
+ double ctB = config_.ctBInverse.eval(config_.ctBInverse.domain().clip(1 / manualB_));
+ prevSyncResults_.temperatureK = (ctR + ctB) / 2;
+ syncResults_.temperatureK = prevSyncResults_.temperatureK;
+ }
+ }
+}
+
+void Awb::switchMode([[maybe_unused]] CameraMode const &cameraMode,
+ Metadata *metadata)
+{
+ /* Let other algorithms know the current white balance values. */
+ metadata->set("awb.status", prevSyncResults_);
+}
+
+bool Awb::isAutoEnabled() const
+{
+ return manualR_ == 0.0 || manualB_ == 0.0;
+}
+
+void Awb::fetchAsyncResults()
+{
+ LOG(RPiAwb, Debug) << "Fetch AWB results";
+ asyncFinished_ = false;
+ asyncStarted_ = false;
+ /*
+ * It's possible manual gains could be set even while the async
+ * thread was running, so only copy the results if still in auto mode.
+ */
+ if (isAutoEnabled())
+ syncResults_ = asyncResults_;
+}
+
+void Awb::restartAsync(StatisticsPtr &stats, double lux)
+{
+ LOG(RPiAwb, Debug) << "Starting AWB calculation";
+ /* this makes a new reference which belongs to the asynchronous thread */
+ statistics_ = stats;
+ /* store the mode as it could technically change */
+ auto m = config_.modes.find(modeName_);
+ mode_ = m != config_.modes.end()
+ ? &m->second
+ : (mode_ == nullptr ? config_.defaultMode : mode_);
+ lux_ = lux;
+ framePhase_ = 0;
+ asyncStarted_ = true;
+ size_t len = modeName_.copy(asyncResults_.mode,
+ sizeof(asyncResults_.mode) - 1);
+ asyncResults_.mode[len] = '\0';
+ {
+ std::lock_guard<std::mutex> lock(mutex_);
+ asyncStart_ = true;
+ }
+ asyncSignal_.notify_one();
+}
+
+void Awb::prepare(Metadata *imageMetadata)
+{
+ if (frameCount_ < (int)config_.startupFrames)
+ frameCount_++;
+ double speed = frameCount_ < (int)config_.startupFrames
+ ? 1.0
+ : config_.speed;
+ LOG(RPiAwb, Debug)
+ << "frame_count " << frameCount_ << " speed " << speed;
+ {
+ std::unique_lock<std::mutex> lock(mutex_);
+ if (asyncStarted_ && asyncFinished_)
+ fetchAsyncResults();
+ }
+ /* Finally apply IIR filter to results and put into metadata. */
+ memcpy(prevSyncResults_.mode, syncResults_.mode,
+ sizeof(prevSyncResults_.mode));
+ prevSyncResults_.temperatureK = speed * syncResults_.temperatureK +
+ (1.0 - speed) * prevSyncResults_.temperatureK;
+ prevSyncResults_.gainR = speed * syncResults_.gainR +
+ (1.0 - speed) * prevSyncResults_.gainR;
+ prevSyncResults_.gainG = speed * syncResults_.gainG +
+ (1.0 - speed) * prevSyncResults_.gainG;
+ prevSyncResults_.gainB = speed * syncResults_.gainB +
+ (1.0 - speed) * prevSyncResults_.gainB;
+ imageMetadata->set("awb.status", prevSyncResults_);
+ LOG(RPiAwb, Debug)
+ << "Using AWB gains r " << prevSyncResults_.gainR << " g "
+ << prevSyncResults_.gainG << " b "
+ << prevSyncResults_.gainB;
+}
+
+void Awb::process(StatisticsPtr &stats, Metadata *imageMetadata)
+{
+ /* Count frames since we last poked the async thread. */
+ if (framePhase_ < (int)config_.framePeriod)
+ framePhase_++;
+ LOG(RPiAwb, Debug) << "frame_phase " << framePhase_;
+ /* We do not restart the async thread if we're not in auto mode. */
+ if (isAutoEnabled() &&
+ (framePhase_ >= (int)config_.framePeriod ||
+ frameCount_ < (int)config_.startupFrames)) {
+ /* Update any settings and any image metadata that we need. */
+ struct LuxStatus luxStatus = {};
+ luxStatus.lux = 400; /* in case no metadata */
+ if (imageMetadata->get("lux.status", luxStatus) != 0)
+ LOG(RPiAwb, Debug) << "No lux metadata found";
+ LOG(RPiAwb, Debug) << "Awb lux value is " << luxStatus.lux;
+
+ if (asyncStarted_ == false)
+ restartAsync(stats, luxStatus.lux);
+ }
+}
+
+void Awb::asyncFunc()
+{
+ while (true) {
+ {
+ std::unique_lock<std::mutex> lock(mutex_);
+ asyncSignal_.wait(lock, [&] {
+ return asyncStart_ || asyncAbort_;
+ });
+ asyncStart_ = false;
+ if (asyncAbort_)
+ break;
+ }
+ doAwb();
+ {
+ std::lock_guard<std::mutex> lock(mutex_);
+ asyncFinished_ = true;
+ }
+ syncSignal_.notify_one();
+ }
+}
+
+static void generateStats(std::vector<Awb::RGB> &zones,
+ StatisticsPtr &stats, double minPixels,
+ double minG, Metadata &globalMetadata)
+{
+ std::scoped_lock<RPiController::Metadata> l(globalMetadata);
+
+ for (unsigned int i = 0; i < stats->awbRegions.numRegions(); i++) {
+ Awb::RGB zone;
+ auto &region = stats->awbRegions.get(i);
+ if (region.counted >= minPixels) {
+ zone.G = region.val.gSum / region.counted;
+ if (zone.G < minG)
+ continue;
+ zone.R = region.val.rSum / region.counted;
+ zone.B = region.val.bSum / region.counted;
+ /* Factor in the ALSC applied colour shading correction if required. */
+ const AlscStatus *alscStatus = globalMetadata.getLocked<AlscStatus>("alsc.status");
+ if (stats->colourStatsPos == Statistics::ColourStatsPos::PreLsc && alscStatus) {
+ zone.R *= alscStatus->r[i];
+ zone.G *= alscStatus->g[i];
+ zone.B *= alscStatus->b[i];
+ }
+ zones.push_back(zone);
+ }
+ }
+}
+
+void Awb::prepareStats()
+{
+ zones_.clear();
+ /*
+ * LSC has already been applied to the stats in this pipeline, so stop
+ * any LSC compensation. We also ignore config_.fast in this version.
+ */
+ generateStats(zones_, statistics_, config_.minPixels,
+ config_.minG, getGlobalMetadata());
+ /*
+ * apply sensitivities, so values appear to come from our "canonical"
+ * sensor.
+ */
+ for (auto &zone : zones_) {
+ zone.R *= config_.sensitivityR;
+ zone.B *= config_.sensitivityB;
+ }
+}
+
+double Awb::computeDelta2Sum(double gainR, double gainB)
+{
+ /*
+ * Compute the sum of the squared colour error (non-greyness) as it
+ * appears in the log likelihood equation.
+ */
+ double delta2Sum = 0;
+ for (auto &z : zones_) {
+ double deltaR = gainR * z.R - 1 - config_.whitepointR;
+ double deltaB = gainB * z.B - 1 - config_.whitepointB;
+ double delta2 = deltaR * deltaR + deltaB * deltaB;
+ /* LOG(RPiAwb, Debug) << "deltaR " << deltaR << " deltaB " << deltaB << " delta2 " << delta2; */
+ delta2 = std::min(delta2, config_.deltaLimit);
+ delta2Sum += delta2;
+ }
+ return delta2Sum;
+}
+
+Pwl Awb::interpolatePrior()
+{
+ /*
+ * Interpolate the prior log likelihood function for our current lux
+ * value.
+ */
+ if (lux_ <= config_.priors.front().lux)
+ return config_.priors.front().prior;
+ else if (lux_ >= config_.priors.back().lux)
+ return config_.priors.back().prior;
+ else {
+ int idx = 0;
+ /* find which two we lie between */
+ while (config_.priors[idx + 1].lux < lux_)
+ idx++;
+ double lux0 = config_.priors[idx].lux,
+ lux1 = config_.priors[idx + 1].lux;
+ return Pwl::combine(config_.priors[idx].prior,
+ config_.priors[idx + 1].prior,
+ [&](double /*x*/, double y0, double y1) {
+ return y0 + (y1 - y0) *
+ (lux_ - lux0) / (lux1 - lux0);
+ });
+ }
+}
+
+static double interpolateQuadatric(Pwl::Point const &a, Pwl::Point const &b,
+ Pwl::Point const &c)
+{
+ /*
+ * Given 3 points on a curve, find the extremum of the function in that
+ * interval by fitting a quadratic.
+ */
+ const double eps = 1e-3;
+ Pwl::Point ca = c - a, ba = b - a;
+ double denominator = 2 * (ba.y * ca.x - ca.y * ba.x);
+ if (abs(denominator) > eps) {
+ double numerator = ba.y * ca.x * ca.x - ca.y * ba.x * ba.x;
+ double result = numerator / denominator + a.x;
+ return std::max(a.x, std::min(c.x, result));
+ }
+ /* has degenerated to straight line segment */
+ return a.y < c.y - eps ? a.x : (c.y < a.y - eps ? c.x : b.x);
+}
+
+double Awb::coarseSearch(Pwl const &prior)
+{
+ points_.clear(); /* assume doesn't deallocate memory */
+ size_t bestPoint = 0;
+ double t = mode_->ctLo;
+ int spanR = 0, spanB = 0;
+ /* Step down the CT curve evaluating log likelihood. */
+ while (true) {
+ double r = config_.ctR.eval(t, &spanR);
+ double b = config_.ctB.eval(t, &spanB);
+ double gainR = 1 / r, gainB = 1 / b;
+ double delta2Sum = computeDelta2Sum(gainR, gainB);
+ double priorLogLikelihood = prior.eval(prior.domain().clip(t));
+ double finalLogLikelihood = delta2Sum - priorLogLikelihood;
+ LOG(RPiAwb, Debug)
+ << "t: " << t << " gain R " << gainR << " gain B "
+ << gainB << " delta2_sum " << delta2Sum
+ << " prior " << priorLogLikelihood << " final "
+ << finalLogLikelihood;
+ points_.push_back(Pwl::Point(t, finalLogLikelihood));
+ if (points_.back().y < points_[bestPoint].y)
+ bestPoint = points_.size() - 1;
+ if (t == mode_->ctHi)
+ break;
+ /* for even steps along the r/b curve scale them by the current t */
+ t = std::min(t + t / 10 * config_.coarseStep, mode_->ctHi);
+ }
+ t = points_[bestPoint].x;
+ LOG(RPiAwb, Debug) << "Coarse search found CT " << t;
+ /*
+ * We have the best point of the search, but refine it with a quadratic
+ * interpolation around its neighbours.
+ */
+ if (points_.size() > 2) {
+ unsigned long bp = std::min(bestPoint, points_.size() - 2);
+ bestPoint = std::max(1UL, bp);
+ t = interpolateQuadatric(points_[bestPoint - 1],
+ points_[bestPoint],
+ points_[bestPoint + 1]);
+ LOG(RPiAwb, Debug)
+ << "After quadratic refinement, coarse search has CT "
+ << t;
+ }
+ return t;
+}
+
+void Awb::fineSearch(double &t, double &r, double &b, Pwl const &prior)
+{
+ int spanR = -1, spanB = -1;
+ config_.ctR.eval(t, &spanR);
+ config_.ctB.eval(t, &spanB);
+ double step = t / 10 * config_.coarseStep * 0.1;
+ int nsteps = 5;
+ double rDiff = config_.ctR.eval(t + nsteps * step, &spanR) -
+ config_.ctR.eval(t - nsteps * step, &spanR);
+ double bDiff = config_.ctB.eval(t + nsteps * step, &spanB) -
+ config_.ctB.eval(t - nsteps * step, &spanB);
+ Pwl::Point transverse(bDiff, -rDiff);
+ if (transverse.len2() < 1e-6)
+ return;
+ /*
+ * unit vector orthogonal to the b vs. r function (pointing outwards
+ * with r and b increasing)
+ */
+ transverse = transverse / transverse.len();
+ double bestLogLikelihood = 0, bestT = 0, bestR = 0, bestB = 0;
+ double transverseRange = config_.transverseNeg + config_.transversePos;
+ const int maxNumDeltas = 12;
+ /* a transverse step approximately every 0.01 r/b units */
+ int numDeltas = floor(transverseRange * 100 + 0.5) + 1;
+ numDeltas = numDeltas < 3 ? 3 : (numDeltas > maxNumDeltas ? maxNumDeltas : numDeltas);
+ /*
+ * Step down CT curve. March a bit further if the transverse range is
+ * large.
+ */
+ nsteps += numDeltas;
+ for (int i = -nsteps; i <= nsteps; i++) {
+ double tTest = t + i * step;
+ double priorLogLikelihood =
+ prior.eval(prior.domain().clip(tTest));
+ double rCurve = config_.ctR.eval(tTest, &spanR);
+ double bCurve = config_.ctB.eval(tTest, &spanB);
+ /* x will be distance off the curve, y the log likelihood there */
+ Pwl::Point points[maxNumDeltas];
+ int bestPoint = 0;
+ /* Take some measurements transversely *off* the CT curve. */
+ for (int j = 0; j < numDeltas; j++) {
+ points[j].x = -config_.transverseNeg +
+ (transverseRange * j) / (numDeltas - 1);
+ Pwl::Point rbTest = Pwl::Point(rCurve, bCurve) +
+ transverse * points[j].x;
+ double rTest = rbTest.x, bTest = rbTest.y;
+ double gainR = 1 / rTest, gainB = 1 / bTest;
+ double delta2Sum = computeDelta2Sum(gainR, gainB);
+ points[j].y = delta2Sum - priorLogLikelihood;
+ LOG(RPiAwb, Debug)
+ << "At t " << tTest << " r " << rTest << " b "
+ << bTest << ": " << points[j].y;
+ if (points[j].y < points[bestPoint].y)
+ bestPoint = j;
+ }
+ /*
+ * We have NUM_DELTAS points transversely across the CT curve,
+ * now let's do a quadratic interpolation for the best result.
+ */
+ bestPoint = std::max(1, std::min(bestPoint, numDeltas - 2));
+ Pwl::Point rbTest = Pwl::Point(rCurve, bCurve) +
+ transverse * interpolateQuadatric(points[bestPoint - 1],
+ points[bestPoint],
+ points[bestPoint + 1]);
+ double rTest = rbTest.x, bTest = rbTest.y;
+ double gainR = 1 / rTest, gainB = 1 / bTest;
+ double delta2Sum = computeDelta2Sum(gainR, gainB);
+ double finalLogLikelihood = delta2Sum - priorLogLikelihood;
+ LOG(RPiAwb, Debug)
+ << "Finally "
+ << tTest << " r " << rTest << " b " << bTest << ": "
+ << finalLogLikelihood
+ << (finalLogLikelihood < bestLogLikelihood ? " BEST" : "");
+ if (bestT == 0 || finalLogLikelihood < bestLogLikelihood)
+ bestLogLikelihood = finalLogLikelihood,
+ bestT = tTest, bestR = rTest, bestB = bTest;
+ }
+ t = bestT, r = bestR, b = bestB;
+ LOG(RPiAwb, Debug)
+ << "Fine search found t " << t << " r " << r << " b " << b;
+}
+
+void Awb::awbBayes()
+{
+ /*
+ * May as well divide out G to save computeDelta2Sum from doing it over
+ * and over.
+ */
+ for (auto &z : zones_)
+ z.R = z.R / (z.G + 1), z.B = z.B / (z.G + 1);
+ /*
+ * Get the current prior, and scale according to how many zones are
+ * valid... not entirely sure about this.
+ */
+ Pwl prior = interpolatePrior();
+ prior *= zones_.size() / (double)(statistics_->awbRegions.numRegions());
+ prior.map([](double x, double y) {
+ LOG(RPiAwb, Debug) << "(" << x << "," << y << ")";
+ });
+ double t = coarseSearch(prior);
+ double r = config_.ctR.eval(t);
+ double b = config_.ctB.eval(t);
+ LOG(RPiAwb, Debug)
+ << "After coarse search: r " << r << " b " << b << " (gains r "
+ << 1 / r << " b " << 1 / b << ")";
+ /*
+ * Not entirely sure how to handle the fine search yet. Mostly the
+ * estimated CT is already good enough, but the fine search allows us to
+ * wander transverely off the CT curve. Under some illuminants, where
+ * there may be more or less green light, this may prove beneficial,
+ * though I probably need more real datasets before deciding exactly how
+ * this should be controlled and tuned.
+ */
+ fineSearch(t, r, b, prior);
+ LOG(RPiAwb, Debug)
+ << "After fine search: r " << r << " b " << b << " (gains r "
+ << 1 / r << " b " << 1 / b << ")";
+ /*
+ * Write results out for the main thread to pick up. Remember to adjust
+ * the gains from the ones that the "canonical sensor" would require to
+ * the ones needed by *this* sensor.
+ */
+ asyncResults_.temperatureK = t;
+ asyncResults_.gainR = 1.0 / r * config_.sensitivityR;
+ asyncResults_.gainG = 1.0;
+ asyncResults_.gainB = 1.0 / b * config_.sensitivityB;
+}
+
+void Awb::awbGrey()
+{
+ LOG(RPiAwb, Debug) << "Grey world AWB";
+ /*
+ * Make a separate list of the derivatives for each of red and blue, so
+ * that we can sort them to exclude the extreme gains. We could
+ * consider some variations, such as normalising all the zones first, or
+ * doing an L2 average etc.
+ */
+ std::vector<RGB> &derivsR(zones_);
+ std::vector<RGB> derivsB(derivsR);
+ std::sort(derivsR.begin(), derivsR.end(),
+ [](RGB const &a, RGB const &b) {
+ return a.G * b.R < b.G * a.R;
+ });
+ std::sort(derivsB.begin(), derivsB.end(),
+ [](RGB const &a, RGB const &b) {
+ return a.G * b.B < b.G * a.B;
+ });
+ /* Average the middle half of the values. */
+ int discard = derivsR.size() / 4;
+ RGB sumR(0, 0, 0), sumB(0, 0, 0);
+ for (auto ri = derivsR.begin() + discard,
+ bi = derivsB.begin() + discard;
+ ri != derivsR.end() - discard; ri++, bi++)
+ sumR += *ri, sumB += *bi;
+ double gainR = sumR.G / (sumR.R + 1),
+ gainB = sumB.G / (sumB.B + 1);
+ asyncResults_.temperatureK = 4500; /* don't know what it is */
+ asyncResults_.gainR = gainR;
+ asyncResults_.gainG = 1.0;
+ asyncResults_.gainB = gainB;
+}
+
+void Awb::doAwb()
+{
+ prepareStats();
+ LOG(RPiAwb, Debug) << "Valid zones: " << zones_.size();
+ if (zones_.size() > config_.minRegions) {
+ if (config_.bayes)
+ awbBayes();
+ else
+ awbGrey();
+ LOG(RPiAwb, Debug)
+ << "CT found is "
+ << asyncResults_.temperatureK
+ << " with gains r " << asyncResults_.gainR
+ << " and b " << asyncResults_.gainB;
+ }
+ /*
+ * we're done with these; we may as well relinquish our hold on the
+ * pointer.
+ */
+ statistics_.reset();
+}
+
+/* Register algorithm with the system. */
+static Algorithm *create(Controller *controller)
+{
+ return (Algorithm *)new Awb(controller);
+}
+static RegisterAlgorithm reg(NAME, &create);
diff --git a/src/ipa/rpi/controller/rpi/awb.h b/src/ipa/rpi/controller/rpi/awb.h
new file mode 100644
index 00000000..499b4519
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/awb.h
@@ -0,0 +1,192 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * AWB control algorithm
+ */
+#pragma once
+
+#include <mutex>
+#include <condition_variable>
+#include <thread>
+
+#include "../awb_algorithm.h"
+#include "../pwl.h"
+#include "../awb_status.h"
+#include "../statistics.h"
+
+namespace RPiController {
+
+/* Control algorithm to perform AWB calculations. */
+
+struct AwbMode {
+ int read(const libcamera::YamlObject &params);
+ double ctLo; /* low CT value for search */
+ double ctHi; /* high CT value for search */
+};
+
+struct AwbPrior {
+ int read(const libcamera::YamlObject &params);
+ double lux; /* lux level */
+ Pwl prior; /* maps CT to prior log likelihood for this lux level */
+};
+
+struct AwbConfig {
+ AwbConfig() : defaultMode(nullptr) {}
+ int read(const libcamera::YamlObject &params);
+ /* Only repeat the AWB calculation every "this many" frames */
+ uint16_t framePeriod;
+ /* number of initial frames for which speed taken as 1.0 (maximum) */
+ uint16_t startupFrames;
+ unsigned int convergenceFrames; /* approx number of frames to converge */
+ double speed; /* IIR filter speed applied to algorithm results */
+ bool fast; /* "fast" mode uses a 16x16 rather than 32x32 grid */
+ Pwl ctR; /* function maps CT to r (= R/G) */
+ Pwl ctB; /* function maps CT to b (= B/G) */
+ Pwl ctRInverse; /* inverse of ctR */
+ Pwl ctBInverse; /* inverse of ctB */
+ /* table of illuminant priors at different lux levels */
+ std::vector<AwbPrior> priors;
+ /* AWB "modes" (determines the search range) */
+ std::map<std::string, AwbMode> modes;
+ AwbMode *defaultMode; /* mode used if no mode selected */
+ /*
+ * minimum proportion of pixels counted within AWB region for it to be
+ * "useful"
+ */
+ double minPixels;
+ /* minimum G value of those pixels, to be regarded a "useful" */
+ uint16_t minG;
+ /*
+ * number of AWB regions that must be "useful" in order to do the AWB
+ * calculation
+ */
+ uint32_t minRegions;
+ /* clamp on colour error term (so as not to penalise non-grey excessively) */
+ double deltaLimit;
+ /* step size control in coarse search */
+ double coarseStep;
+ /* how far to wander off CT curve towards "more purple" */
+ double transversePos;
+ /* how far to wander off CT curve towards "more green" */
+ double transverseNeg;
+ /*
+ * red sensitivity ratio (set to canonical sensor's R/G divided by this
+ * sensor's R/G)
+ */
+ double sensitivityR;
+ /*
+ * blue sensitivity ratio (set to canonical sensor's B/G divided by this
+ * sensor's B/G)
+ */
+ double sensitivityB;
+ /* The whitepoint (which we normally "aim" for) can be moved. */
+ double whitepointR;
+ double whitepointB;
+ bool bayes; /* use Bayesian algorithm */
+};
+
+class Awb : public AwbAlgorithm
+{
+public:
+ Awb(Controller *controller = NULL);
+ ~Awb();
+ char const *name() const override;
+ void initialise() override;
+ int read(const libcamera::YamlObject &params) override;
+ unsigned int getConvergenceFrames() const override;
+ void initialValues(double &gainR, double &gainB) override;
+ void setMode(std::string const &name) override;
+ void setManualGains(double manualR, double manualB) override;
+ void enableAuto() override;
+ void disableAuto() override;
+ void switchMode(CameraMode const &cameraMode, Metadata *metadata) override;
+ void prepare(Metadata *imageMetadata) override;
+ void process(StatisticsPtr &stats, Metadata *imageMetadata) override;
+ struct RGB {
+ RGB(double r = 0, double g = 0, double b = 0)
+ : R(r), G(g), B(b)
+ {
+ }
+ double R, G, B;
+ RGB &operator+=(RGB const &other)
+ {
+ R += other.R, G += other.G, B += other.B;
+ return *this;
+ }
+ };
+
+private:
+ bool isAutoEnabled() const;
+ /* configuration is read-only, and available to both threads */
+ AwbConfig config_;
+ std::thread asyncThread_;
+ void asyncFunc(); /* asynchronous thread function */
+ std::mutex mutex_;
+ /* condvar for async thread to wait on */
+ std::condition_variable asyncSignal_;
+ /* condvar for synchronous thread to wait on */
+ std::condition_variable syncSignal_;
+ /* for sync thread to check if async thread finished (requires mutex) */
+ bool asyncFinished_;
+ /* for async thread to check if it's been told to run (requires mutex) */
+ bool asyncStart_;
+ /* for async thread to check if it's been told to quit (requires mutex) */
+ bool asyncAbort_;
+
+ /*
+ * The following are only for the synchronous thread to use:
+ * for sync thread to note its has asked async thread to run
+ */
+ bool asyncStarted_;
+ /* counts up to framePeriod before restarting the async thread */
+ int framePhase_;
+ int frameCount_; /* counts up to startup_frames */
+ AwbStatus syncResults_;
+ AwbStatus prevSyncResults_;
+ std::string modeName_;
+ /*
+ * The following are for the asynchronous thread to use, though the main
+ * thread can set/reset them if the async thread is known to be idle:
+ */
+ void restartAsync(StatisticsPtr &stats, double lux);
+ /* copy out the results from the async thread so that it can be restarted */
+ void fetchAsyncResults();
+ StatisticsPtr statistics_;
+ AwbMode *mode_;
+ double lux_;
+ AwbStatus asyncResults_;
+ void doAwb();
+ void awbBayes();
+ void awbGrey();
+ void prepareStats();
+ double computeDelta2Sum(double gainR, double gainB);
+ Pwl interpolatePrior();
+ double coarseSearch(Pwl const &prior);
+ void fineSearch(double &t, double &r, double &b, Pwl const &prior);
+ std::vector<RGB> zones_;
+ std::vector<Pwl::Point> points_;
+ /* manual r setting */
+ double manualR_;
+ /* manual b setting */
+ double manualB_;
+};
+
+static inline Awb::RGB operator+(Awb::RGB const &a, Awb::RGB const &b)
+{
+ return Awb::RGB(a.R + b.R, a.G + b.G, a.B + b.B);
+}
+static inline Awb::RGB operator-(Awb::RGB const &a, Awb::RGB const &b)
+{
+ return Awb::RGB(a.R - b.R, a.G - b.G, a.B - b.B);
+}
+static inline Awb::RGB operator*(double d, Awb::RGB const &rgb)
+{
+ return Awb::RGB(d * rgb.R, d * rgb.G, d * rgb.B);
+}
+static inline Awb::RGB operator*(Awb::RGB const &rgb, double d)
+{
+ return d * rgb;
+}
+
+} /* namespace RPiController */
diff --git a/src/ipa/rpi/controller/rpi/black_level.cpp b/src/ipa/rpi/controller/rpi/black_level.cpp
new file mode 100644
index 00000000..ea991df9
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/black_level.cpp
@@ -0,0 +1,74 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * black level control algorithm
+ */
+
+#include <math.h>
+#include <stdint.h>
+
+#include <libcamera/base/log.h>
+
+#include "../black_level_status.h"
+
+#include "black_level.h"
+
+using namespace RPiController;
+using namespace libcamera;
+
+LOG_DEFINE_CATEGORY(RPiBlackLevel)
+
+#define NAME "rpi.black_level"
+
+BlackLevel::BlackLevel(Controller *controller)
+ : BlackLevelAlgorithm(controller)
+{
+}
+
+char const *BlackLevel::name() const
+{
+ return NAME;
+}
+
+int BlackLevel::read(const libcamera::YamlObject &params)
+{
+ /* 64 in 10 bits scaled to 16 bits */
+ uint16_t blackLevel = params["black_level"].get<uint16_t>(4096);
+ blackLevelR_ = params["black_level_r"].get<uint16_t>(blackLevel);
+ blackLevelG_ = params["black_level_g"].get<uint16_t>(blackLevel);
+ blackLevelB_ = params["black_level_b"].get<uint16_t>(blackLevel);
+ LOG(RPiBlackLevel, Debug)
+ << " Read black levels red " << blackLevelR_
+ << " green " << blackLevelG_
+ << " blue " << blackLevelB_;
+ return 0;
+}
+
+void BlackLevel::initialValues(uint16_t &blackLevelR, uint16_t &blackLevelG,
+ uint16_t &blackLevelB)
+{
+ blackLevelR = blackLevelR_;
+ blackLevelG = blackLevelG_;
+ blackLevelB = blackLevelB_;
+}
+
+void BlackLevel::prepare(Metadata *imageMetadata)
+{
+ /*
+ * Possibly we should think about doing this in a switchMode or
+ * something?
+ */
+ struct BlackLevelStatus status;
+ status.blackLevelR = blackLevelR_;
+ status.blackLevelG = blackLevelG_;
+ status.blackLevelB = blackLevelB_;
+ imageMetadata->set("black_level.status", status);
+}
+
+/* Register algorithm with the system. */
+static Algorithm *create(Controller *controller)
+{
+ return new BlackLevel(controller);
+}
+static RegisterAlgorithm reg(NAME, &create);
diff --git a/src/ipa/rpi/controller/rpi/black_level.h b/src/ipa/rpi/controller/rpi/black_level.h
new file mode 100644
index 00000000..f50729db
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/black_level.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * black level control algorithm
+ */
+#pragma once
+
+#include "../black_level_algorithm.h"
+#include "../black_level_status.h"
+
+/* This is our implementation of the "black level algorithm". */
+
+namespace RPiController {
+
+class BlackLevel : public BlackLevelAlgorithm
+{
+public:
+ BlackLevel(Controller *controller);
+ char const *name() const override;
+ int read(const libcamera::YamlObject &params) override;
+ void initialValues(uint16_t &blackLevelR, uint16_t &blackLevelG,
+ uint16_t &blackLevelB) override;
+ void prepare(Metadata *imageMetadata) override;
+
+private:
+ double blackLevelR_;
+ double blackLevelG_;
+ double blackLevelB_;
+};
+
+} /* namespace RPiController */
diff --git a/src/ipa/rpi/controller/rpi/cac.cpp b/src/ipa/rpi/controller/rpi/cac.cpp
new file mode 100644
index 00000000..17779ad5
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/cac.cpp
@@ -0,0 +1,107 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2023 Raspberry Pi Ltd
+ *
+ * Chromatic Aberration Correction algorithm
+ */
+#include "cac.h"
+
+#include <libcamera/base/log.h>
+
+#include "cac_status.h"
+
+using namespace RPiController;
+using namespace libcamera;
+
+LOG_DEFINE_CATEGORY(RPiCac)
+
+#define NAME "rpi.cac"
+
+Cac::Cac(Controller *controller)
+ : Algorithm(controller)
+{
+}
+
+char const *Cac::name() const
+{
+ return NAME;
+}
+
+static bool arrayToSet(const libcamera::YamlObject &params, std::vector<double> &inputArray, const Size &size)
+{
+ int num = 0;
+ int max_num = (size.width + 1) * (size.height + 1);
+ inputArray.resize(max_num);
+
+ for (const auto &p : params.asList()) {
+ if (num == max_num)
+ return false;
+ inputArray[num++] = p.get<double>(0);
+ }
+
+ return num == max_num;
+}
+
+static void setStrength(std::vector<double> &inputArray, std::vector<double> &outputArray,
+ double strengthFactor)
+{
+ int num = 0;
+ for (const auto &p : inputArray) {
+ outputArray[num++] = p * strengthFactor;
+ }
+}
+
+int Cac::read(const libcamera::YamlObject &params)
+{
+ config_.enabled = params.contains("lut_rx") && params.contains("lut_ry") &&
+ params.contains("lut_bx") && params.contains("lut_by");
+ if (!config_.enabled)
+ return 0;
+
+ const Size &size = getHardwareConfig().cacRegions;
+
+ if (!arrayToSet(params["lut_rx"], config_.lutRx, size)) {
+ LOG(RPiCac, Error) << "Bad CAC lut_rx table";
+ return -EINVAL;
+ }
+
+ if (!arrayToSet(params["lut_ry"], config_.lutRy, size)) {
+ LOG(RPiCac, Error) << "Bad CAC lut_ry table";
+ return -EINVAL;
+ }
+
+ if (!arrayToSet(params["lut_bx"], config_.lutBx, size)) {
+ LOG(RPiCac, Error) << "Bad CAC lut_bx table";
+ return -EINVAL;
+ }
+
+ if (!arrayToSet(params["lut_by"], config_.lutBy, size)) {
+ LOG(RPiCac, Error) << "Bad CAC lut_by table";
+ return -EINVAL;
+ }
+
+ double strength = params["strength"].get<double>(1);
+ cacStatus_.lutRx = config_.lutRx;
+ cacStatus_.lutRy = config_.lutRy;
+ cacStatus_.lutBx = config_.lutBx;
+ cacStatus_.lutBy = config_.lutBy;
+ setStrength(config_.lutRx, cacStatus_.lutRx, strength);
+ setStrength(config_.lutBx, cacStatus_.lutBx, strength);
+ setStrength(config_.lutRy, cacStatus_.lutRy, strength);
+ setStrength(config_.lutBy, cacStatus_.lutBy, strength);
+
+ return 0;
+}
+
+void Cac::prepare(Metadata *imageMetadata)
+{
+ if (config_.enabled)
+ imageMetadata->set("cac.status", cacStatus_);
+}
+
+// Register algorithm with the system.
+static Algorithm *Create(Controller *controller)
+{
+ return (Algorithm *)new Cac(controller);
+}
+static RegisterAlgorithm reg(NAME, &Create);
diff --git a/src/ipa/rpi/controller/rpi/cac.h b/src/ipa/rpi/controller/rpi/cac.h
new file mode 100644
index 00000000..a7b14c00
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/cac.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2023, Raspberry Pi Ltd
+ *
+ * cac.hpp - CAC control algorithm
+ */
+#pragma once
+
+#include "algorithm.h"
+#include "cac_status.h"
+
+namespace RPiController {
+
+struct CacConfig {
+ bool enabled;
+ std::vector<double> lutRx;
+ std::vector<double> lutRy;
+ std::vector<double> lutBx;
+ std::vector<double> lutBy;
+};
+
+class Cac : public Algorithm
+{
+public:
+ Cac(Controller *controller = NULL);
+ char const *name() const override;
+ int read(const libcamera::YamlObject &params) override;
+ void prepare(Metadata *imageMetadata) override;
+
+private:
+ CacConfig config_;
+ CacStatus cacStatus_;
+};
+
+} // namespace RPiController
diff --git a/src/ipa/rpi/controller/rpi/ccm.cpp b/src/ipa/rpi/controller/rpi/ccm.cpp
new file mode 100644
index 00000000..c5588029
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/ccm.cpp
@@ -0,0 +1,199 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * CCM (colour correction matrix) control algorithm
+ */
+
+#include <libcamera/base/log.h>
+
+#include "../awb_status.h"
+#include "../ccm_status.h"
+#include "../lux_status.h"
+#include "../metadata.h"
+
+#include "ccm.h"
+
+using namespace RPiController;
+using namespace libcamera;
+
+LOG_DEFINE_CATEGORY(RPiCcm)
+
+/*
+ * This algorithm selects a CCM (Colour Correction Matrix) according to the
+ * colour temperature estimated by AWB (interpolating between known matricies as
+ * necessary). Additionally the amount of colour saturation can be controlled
+ * both according to the current estimated lux level and according to a
+ * saturation setting that is exposed to applications.
+ */
+
+#define NAME "rpi.ccm"
+
+Matrix::Matrix()
+{
+ memset(m, 0, sizeof(m));
+}
+Matrix::Matrix(double m0, double m1, double m2, double m3, double m4, double m5,
+ double m6, double m7, double m8)
+{
+ m[0][0] = m0, m[0][1] = m1, m[0][2] = m2, m[1][0] = m3, m[1][1] = m4,
+ m[1][2] = m5, m[2][0] = m6, m[2][1] = m7, m[2][2] = m8;
+}
+int Matrix::read(const libcamera::YamlObject &params)
+{
+ double *ptr = (double *)m;
+
+ if (params.size() != 9) {
+ LOG(RPiCcm, Error) << "Wrong number of values in CCM";
+ return -EINVAL;
+ }
+
+ for (const auto &param : params.asList()) {
+ auto value = param.get<double>();
+ if (!value)
+ return -EINVAL;
+ *ptr++ = *value;
+ }
+
+ return 0;
+}
+
+Ccm::Ccm(Controller *controller)
+ : CcmAlgorithm(controller), saturation_(1.0) {}
+
+char const *Ccm::name() const
+{
+ return NAME;
+}
+
+int Ccm::read(const libcamera::YamlObject &params)
+{
+ int ret;
+
+ if (params.contains("saturation")) {
+ ret = config_.saturation.read(params["saturation"]);
+ if (ret)
+ return ret;
+ }
+
+ for (auto &p : params["ccms"].asList()) {
+ auto value = p["ct"].get<double>();
+ if (!value)
+ return -EINVAL;
+
+ CtCcm ctCcm;
+ ctCcm.ct = *value;
+ ret = ctCcm.ccm.read(p["ccm"]);
+ if (ret)
+ return ret;
+
+ if (!config_.ccms.empty() && ctCcm.ct <= config_.ccms.back().ct) {
+ LOG(RPiCcm, Error)
+ << "CCM not in increasing colour temperature order";
+ return -EINVAL;
+ }
+
+ config_.ccms.push_back(std::move(ctCcm));
+ }
+
+ if (config_.ccms.empty()) {
+ LOG(RPiCcm, Error) << "No CCMs specified";
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+void Ccm::setSaturation(double saturation)
+{
+ saturation_ = saturation;
+}
+
+void Ccm::initialise()
+{
+}
+
+template<typename T>
+static bool getLocked(Metadata *metadata, std::string const &tag, T &value)
+{
+ T *ptr = metadata->getLocked<T>(tag);
+ if (ptr == nullptr)
+ return false;
+ value = *ptr;
+ return true;
+}
+
+Matrix calculateCcm(std::vector<CtCcm> const &ccms, double ct)
+{
+ if (ct <= ccms.front().ct)
+ return ccms.front().ccm;
+ else if (ct >= ccms.back().ct)
+ return ccms.back().ccm;
+ else {
+ int i = 0;
+ for (; ct > ccms[i].ct; i++)
+ ;
+ double lambda =
+ (ct - ccms[i - 1].ct) / (ccms[i].ct - ccms[i - 1].ct);
+ return lambda * ccms[i].ccm + (1.0 - lambda) * ccms[i - 1].ccm;
+ }
+}
+
+Matrix applySaturation(Matrix const &ccm, double saturation)
+{
+ Matrix RGB2Y(0.299, 0.587, 0.114, -0.169, -0.331, 0.500, 0.500, -0.419,
+ -0.081);
+ Matrix Y2RGB(1.000, 0.000, 1.402, 1.000, -0.345, -0.714, 1.000, 1.771,
+ 0.000);
+ Matrix S(1, 0, 0, 0, saturation, 0, 0, 0, saturation);
+ return Y2RGB * S * RGB2Y * ccm;
+}
+
+void Ccm::prepare(Metadata *imageMetadata)
+{
+ bool awbOk = false, luxOk = false;
+ struct AwbStatus awb = {};
+ awb.temperatureK = 4000; /* in case no metadata */
+ struct LuxStatus lux = {};
+ lux.lux = 400; /* in case no metadata */
+ {
+ /* grab mutex just once to get everything */
+ std::lock_guard<Metadata> lock(*imageMetadata);
+ awbOk = getLocked(imageMetadata, "awb.status", awb);
+ luxOk = getLocked(imageMetadata, "lux.status", lux);
+ }
+ if (!awbOk)
+ LOG(RPiCcm, Warning) << "no colour temperature found";
+ if (!luxOk)
+ LOG(RPiCcm, Warning) << "no lux value found";
+ Matrix ccm = calculateCcm(config_.ccms, awb.temperatureK);
+ double saturation = saturation_;
+ struct CcmStatus ccmStatus;
+ ccmStatus.saturation = saturation;
+ if (!config_.saturation.empty())
+ saturation *= config_.saturation.eval(
+ config_.saturation.domain().clip(lux.lux));
+ ccm = applySaturation(ccm, saturation);
+ for (int j = 0; j < 3; j++)
+ for (int i = 0; i < 3; i++)
+ ccmStatus.matrix[j * 3 + i] =
+ std::max(-8.0, std::min(7.9999, ccm.m[j][i]));
+ LOG(RPiCcm, Debug)
+ << "colour temperature " << awb.temperatureK << "K";
+ LOG(RPiCcm, Debug)
+ << "CCM: " << ccmStatus.matrix[0] << " " << ccmStatus.matrix[1]
+ << " " << ccmStatus.matrix[2] << " "
+ << ccmStatus.matrix[3] << " " << ccmStatus.matrix[4]
+ << " " << ccmStatus.matrix[5] << " "
+ << ccmStatus.matrix[6] << " " << ccmStatus.matrix[7]
+ << " " << ccmStatus.matrix[8];
+ imageMetadata->set("ccm.status", ccmStatus);
+}
+
+/* Register algorithm with the system. */
+static Algorithm *create(Controller *controller)
+{
+ return (Algorithm *)new Ccm(controller);
+ ;
+}
+static RegisterAlgorithm reg(NAME, &create);
diff --git a/src/ipa/raspberrypi/controller/rpi/ccm.hpp b/src/ipa/rpi/controller/rpi/ccm.h
index 330ed51f..b3abeddf 100644
--- a/src/ipa/raspberrypi/controller/rpi/ccm.hpp
+++ b/src/ipa/rpi/controller/rpi/ccm.h
@@ -1,26 +1,26 @@
/* SPDX-License-Identifier: BSD-2-Clause */
/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
+ * Copyright (C) 2019, Raspberry Pi Ltd
*
- * ccm.hpp - CCM (colour correction matrix) control algorithm
+ * CCM (colour correction matrix) control algorithm
*/
#pragma once
#include <vector>
-#include "../ccm_algorithm.hpp"
-#include "../pwl.hpp"
+#include "../ccm_algorithm.h"
+#include "../pwl.h"
namespace RPiController {
-// Algorithm to calculate colour matrix. Should be placed after AWB.
+/* Algorithm to calculate colour matrix. Should be placed after AWB. */
struct Matrix {
Matrix(double m0, double m1, double m2, double m3, double m4, double m5,
double m6, double m7, double m8);
Matrix();
double m[3][3];
- void Read(boost::property_tree::ptree const &params);
+ int read(const libcamera::YamlObject &params);
};
static inline Matrix operator*(double d, Matrix const &m)
{
@@ -61,15 +61,15 @@ class Ccm : public CcmAlgorithm
{
public:
Ccm(Controller *controller = NULL);
- char const *Name() const override;
- void Read(boost::property_tree::ptree const &params) override;
- void SetSaturation(double saturation) override;
- void Initialise() override;
- void Prepare(Metadata *image_metadata) override;
+ char const *name() const override;
+ int read(const libcamera::YamlObject &params) override;
+ void setSaturation(double saturation) override;
+ void initialise() override;
+ void prepare(Metadata *imageMetadata) override;
private:
CcmConfig config_;
double saturation_;
};
-} // namespace RPiController
+} /* namespace RPiController */
diff --git a/src/ipa/rpi/controller/rpi/contrast.cpp b/src/ipa/rpi/controller/rpi/contrast.cpp
new file mode 100644
index 00000000..9eef792d
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/contrast.cpp
@@ -0,0 +1,192 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * contrast (gamma) control algorithm
+ */
+#include <stdint.h>
+
+#include <libcamera/base/log.h>
+
+#include "../contrast_status.h"
+#include "../histogram.h"
+
+#include "contrast.h"
+
+using namespace RPiController;
+using namespace libcamera;
+
+LOG_DEFINE_CATEGORY(RPiContrast)
+
+/*
+ * This is a very simple control algorithm which simply retrieves the results of
+ * AGC and AWB via their "status" metadata, and applies digital gain to the
+ * colour channels in accordance with those instructions. We take care never to
+ * apply less than unity gains, as that would cause fully saturated pixels to go
+ * off-white.
+ */
+
+#define NAME "rpi.contrast"
+
+Contrast::Contrast(Controller *controller)
+ : ContrastAlgorithm(controller), brightness_(0.0), contrast_(1.0)
+{
+}
+
+char const *Contrast::name() const
+{
+ return NAME;
+}
+
+int Contrast::read(const libcamera::YamlObject &params)
+{
+ // enable adaptive enhancement by default
+ config_.ceEnable = params["ce_enable"].get<int>(1);
+ ceEnable_ = config_.ceEnable;
+ // the point near the bottom of the histogram to move
+ config_.loHistogram = params["lo_histogram"].get<double>(0.01);
+ // where in the range to try and move it to
+ config_.loLevel = params["lo_level"].get<double>(0.015);
+ // but don't move by more than this
+ config_.loMax = params["lo_max"].get<double>(500);
+ // equivalent values for the top of the histogram...
+ config_.hiHistogram = params["hi_histogram"].get<double>(0.95);
+ config_.hiLevel = params["hi_level"].get<double>(0.95);
+ config_.hiMax = params["hi_max"].get<double>(2000);
+ return config_.gammaCurve.read(params["gamma_curve"]);
+}
+
+void Contrast::setBrightness(double brightness)
+{
+ brightness_ = brightness;
+}
+
+void Contrast::setContrast(double contrast)
+{
+ contrast_ = contrast;
+}
+
+void Contrast::enableCe(bool enable)
+{
+ ceEnable_ = enable;
+}
+
+void Contrast::restoreCe()
+{
+ ceEnable_ = config_.ceEnable;
+}
+
+void Contrast::initialise()
+{
+ /*
+ * Fill in some default values as Prepare will run before Process gets
+ * called.
+ */
+ status_.brightness = brightness_;
+ status_.contrast = contrast_;
+ status_.gammaCurve = config_.gammaCurve;
+}
+
+void Contrast::prepare(Metadata *imageMetadata)
+{
+ imageMetadata->set("contrast.status", status_);
+}
+
+Pwl computeStretchCurve(Histogram const &histogram,
+ ContrastConfig const &config)
+{
+ Pwl enhance;
+ enhance.append(0, 0);
+ /*
+ * If the start of the histogram is rather empty, try to pull it down a
+ * bit.
+ */
+ double histLo = histogram.quantile(config.loHistogram) *
+ (65536 / histogram.bins());
+ double levelLo = config.loLevel * 65536;
+ LOG(RPiContrast, Debug)
+ << "Move histogram point " << histLo << " to " << levelLo;
+ histLo = std::max(levelLo,
+ std::min(65535.0, std::min(histLo, levelLo + config.loMax)));
+ LOG(RPiContrast, Debug)
+ << "Final values " << histLo << " -> " << levelLo;
+ enhance.append(histLo, levelLo);
+ /*
+ * Keep the mid-point (median) in the same place, though, to limit the
+ * apparent amount of global brightness shift.
+ */
+ double mid = histogram.quantile(0.5) * (65536 / histogram.bins());
+ enhance.append(mid, mid);
+
+ /*
+ * If the top to the histogram is empty, try to pull the pixel values
+ * there up.
+ */
+ double histHi = histogram.quantile(config.hiHistogram) *
+ (65536 / histogram.bins());
+ double levelHi = config.hiLevel * 65536;
+ LOG(RPiContrast, Debug)
+ << "Move histogram point " << histHi << " to " << levelHi;
+ histHi = std::min(levelHi,
+ std::max(0.0, std::max(histHi, levelHi - config.hiMax)));
+ LOG(RPiContrast, Debug)
+ << "Final values " << histHi << " -> " << levelHi;
+ enhance.append(histHi, levelHi);
+ enhance.append(65535, 65535);
+ return enhance;
+}
+
+Pwl applyManualContrast(Pwl const &gammaCurve, double brightness,
+ double contrast)
+{
+ Pwl newGammaCurve;
+ LOG(RPiContrast, Debug)
+ << "Manual brightness " << brightness << " contrast " << contrast;
+ gammaCurve.map([&](double x, double y) {
+ newGammaCurve.append(
+ x, std::max(0.0, std::min(65535.0,
+ (y - 32768) * contrast +
+ 32768 + brightness)));
+ });
+ return newGammaCurve;
+}
+
+void Contrast::process(StatisticsPtr &stats,
+ [[maybe_unused]] Metadata *imageMetadata)
+{
+ Histogram &histogram = stats->yHist;
+ /*
+ * We look at the histogram and adjust the gamma curve in the following
+ * ways: 1. Adjust the gamma curve so as to pull the start of the
+ * histogram down, and possibly push the end up.
+ */
+ Pwl gammaCurve = config_.gammaCurve;
+ if (ceEnable_) {
+ if (config_.loMax != 0 || config_.hiMax != 0)
+ gammaCurve = computeStretchCurve(histogram, config_).compose(gammaCurve);
+ /*
+ * We could apply other adjustments (e.g. partial equalisation)
+ * based on the histogram...?
+ */
+ }
+ /*
+ * 2. Finally apply any manually selected brightness/contrast
+ * adjustment.
+ */
+ if (brightness_ != 0 || contrast_ != 1.0)
+ gammaCurve = applyManualContrast(gammaCurve, brightness_, contrast_);
+ /*
+ * And fill in the status for output. Use more points towards the bottom
+ * of the curve.
+ */
+ status_.brightness = brightness_;
+ status_.contrast = contrast_;
+ status_.gammaCurve = std::move(gammaCurve);
+}
+
+/* Register algorithm with the system. */
+static Algorithm *create(Controller *controller)
+{
+ return (Algorithm *)new Contrast(controller);
+}
+static RegisterAlgorithm reg(NAME, &create);
diff --git a/src/ipa/rpi/controller/rpi/contrast.h b/src/ipa/rpi/controller/rpi/contrast.h
new file mode 100644
index 00000000..a9d9bbc9
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/contrast.h
@@ -0,0 +1,54 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * contrast (gamma) control algorithm
+ */
+#pragma once
+
+#include <mutex>
+
+#include "../contrast_algorithm.h"
+#include "../pwl.h"
+
+namespace RPiController {
+
+/*
+ * Back End algorithm to appaly correct digital gain. Should be placed after
+ * Back End AWB.
+ */
+
+struct ContrastConfig {
+ bool ceEnable;
+ double loHistogram;
+ double loLevel;
+ double loMax;
+ double hiHistogram;
+ double hiLevel;
+ double hiMax;
+ Pwl gammaCurve;
+};
+
+class Contrast : public ContrastAlgorithm
+{
+public:
+ Contrast(Controller *controller = NULL);
+ char const *name() const override;
+ int read(const libcamera::YamlObject &params) override;
+ void setBrightness(double brightness) override;
+ void setContrast(double contrast) override;
+ void enableCe(bool enable) override;
+ void restoreCe() override;
+ void initialise() override;
+ void prepare(Metadata *imageMetadata) override;
+ void process(StatisticsPtr &stats, Metadata *imageMetadata) override;
+
+private:
+ ContrastConfig config_;
+ double brightness_;
+ double contrast_;
+ ContrastStatus status_;
+ double ceEnable_;
+};
+
+} /* namespace RPiController */
diff --git a/src/ipa/rpi/controller/rpi/denoise.cpp b/src/ipa/rpi/controller/rpi/denoise.cpp
new file mode 100644
index 00000000..ba851658
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/denoise.cpp
@@ -0,0 +1,198 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2022 Raspberry Pi Ltd
+ *
+ * Denoise (spatial, colour, temporal) control algorithm
+ */
+#include "denoise.h"
+
+#include <libcamera/base/log.h>
+
+#include "denoise_status.h"
+#include "noise_status.h"
+
+using namespace RPiController;
+using namespace libcamera;
+
+LOG_DEFINE_CATEGORY(RPiDenoise)
+
+// Calculate settings for the denoise blocks using the noise profile in
+// the image metadata.
+
+#define NAME "rpi.denoise"
+
+int DenoiseConfig::read(const libcamera::YamlObject &params)
+{
+ sdnEnable = params.contains("sdn");
+ if (sdnEnable) {
+ auto &sdnParams = params["sdn"];
+ sdnDeviation = sdnParams["deviation"].get<double>(3.2);
+ sdnStrength = sdnParams["strength"].get<double>(0.25);
+ sdnDeviation2 = sdnParams["deviation2"].get<double>(sdnDeviation);
+ sdnDeviationNoTdn = sdnParams["deviation_no_tdn"].get<double>(sdnDeviation);
+ sdnStrengthNoTdn = sdnParams["strength_no_tdn"].get<double>(sdnStrength);
+ sdnTdnBackoff = sdnParams["backoff"].get<double>(0.75);
+ }
+
+ cdnEnable = params.contains("cdn");
+ if (cdnEnable) {
+ auto &cdnParams = params["cdn"];
+ cdnDeviation = cdnParams["deviation"].get<double>(120);
+ cdnStrength = cdnParams["strength"].get<double>(0.2);
+ }
+
+ tdnEnable = params.contains("tdn");
+ if (tdnEnable) {
+ auto &tdnParams = params["tdn"];
+ tdnDeviation = tdnParams["deviation"].get<double>(0.5);
+ tdnThreshold = tdnParams["threshold"].get<double>(0.75);
+ } else if (sdnEnable) {
+ /*
+ * If SDN is enabled but TDN isn't, overwrite all the SDN settings
+ * with the "no TDN" versions. This makes it easier to enable or
+ * disable TDN in the tuning file without editing all the other
+ * parameters.
+ */
+ sdnDeviation = sdnDeviation2 = sdnDeviationNoTdn;
+ sdnStrength = sdnStrengthNoTdn;
+ }
+
+ return 0;
+}
+
+Denoise::Denoise(Controller *controller)
+ : DenoiseAlgorithm(controller), mode_(DenoiseMode::ColourHighQuality)
+{
+}
+
+char const *Denoise::name() const
+{
+ return NAME;
+}
+
+int Denoise::read(const libcamera::YamlObject &params)
+{
+ if (!params.contains("normal")) {
+ configs_["normal"].read(params);
+ currentConfig_ = &configs_["normal"];
+
+ return 0;
+ }
+
+ for (const auto &[key, value] : params.asDict()) {
+ if (configs_[key].read(value)) {
+ LOG(RPiDenoise, Error) << "Failed to read denoise config " << key;
+ return -EINVAL;
+ }
+ }
+
+ auto it = configs_.find("normal");
+ if (it == configs_.end()) {
+ LOG(RPiDenoise, Error) << "No normal denoise settings found";
+ return -EINVAL;
+ }
+ currentConfig_ = &it->second;
+
+ return 0;
+}
+
+void Denoise::initialise()
+{
+}
+
+void Denoise::switchMode([[maybe_unused]] CameraMode const &cameraMode,
+ [[maybe_unused]] Metadata *metadata)
+{
+ /* A mode switch effectively resets temporal denoise and it has to start over. */
+ currentSdnDeviation_ = currentConfig_->sdnDeviationNoTdn;
+ currentSdnStrength_ = currentConfig_->sdnStrengthNoTdn;
+ currentSdnDeviation2_ = currentConfig_->sdnDeviationNoTdn;
+}
+
+void Denoise::prepare(Metadata *imageMetadata)
+{
+ struct NoiseStatus noiseStatus = {};
+ noiseStatus.noiseSlope = 3.0; // in case no metadata
+ if (imageMetadata->get("noise.status", noiseStatus) != 0)
+ LOG(RPiDenoise, Warning) << "no noise profile found";
+
+ LOG(RPiDenoise, Debug)
+ << "Noise profile: constant " << noiseStatus.noiseConstant
+ << " slope " << noiseStatus.noiseSlope;
+
+ if (mode_ == DenoiseMode::Off)
+ return;
+
+ if (currentConfig_->sdnEnable) {
+ struct SdnStatus sdn;
+ sdn.noiseConstant = noiseStatus.noiseConstant * currentSdnDeviation_;
+ sdn.noiseSlope = noiseStatus.noiseSlope * currentSdnDeviation_;
+ sdn.noiseConstant2 = noiseStatus.noiseConstant * currentConfig_->sdnDeviation2;
+ sdn.noiseSlope2 = noiseStatus.noiseSlope * currentSdnDeviation2_;
+ sdn.strength = currentSdnStrength_;
+ imageMetadata->set("sdn.status", sdn);
+ LOG(RPiDenoise, Debug)
+ << "const " << sdn.noiseConstant
+ << " slope " << sdn.noiseSlope
+ << " str " << sdn.strength
+ << " const2 " << sdn.noiseConstant2
+ << " slope2 " << sdn.noiseSlope2;
+
+ /* For the next frame, we back off the SDN parameters as TDN ramps up. */
+ double f = currentConfig_->sdnTdnBackoff;
+ currentSdnDeviation_ = f * currentSdnDeviation_ + (1 - f) * currentConfig_->sdnDeviation;
+ currentSdnStrength_ = f * currentSdnStrength_ + (1 - f) * currentConfig_->sdnStrength;
+ currentSdnDeviation2_ = f * currentSdnDeviation2_ + (1 - f) * currentConfig_->sdnDeviation2;
+ }
+
+ if (currentConfig_->tdnEnable) {
+ struct TdnStatus tdn;
+ tdn.noiseConstant = noiseStatus.noiseConstant * currentConfig_->tdnDeviation;
+ tdn.noiseSlope = noiseStatus.noiseSlope * currentConfig_->tdnDeviation;
+ tdn.threshold = currentConfig_->tdnThreshold;
+ imageMetadata->set("tdn.status", tdn);
+ LOG(RPiDenoise, Debug)
+ << "programmed tdn threshold " << tdn.threshold
+ << " constant " << tdn.noiseConstant
+ << " slope " << tdn.noiseSlope;
+ }
+
+ if (currentConfig_->cdnEnable && mode_ != DenoiseMode::ColourOff) {
+ struct CdnStatus cdn;
+ cdn.threshold = currentConfig_->cdnDeviation * noiseStatus.noiseSlope + noiseStatus.noiseConstant;
+ cdn.strength = currentConfig_->cdnStrength;
+ imageMetadata->set("cdn.status", cdn);
+ LOG(RPiDenoise, Debug)
+ << "programmed cdn threshold " << cdn.threshold
+ << " strength " << cdn.strength;
+ }
+}
+
+void Denoise::setMode(DenoiseMode mode)
+{
+ // We only distinguish between off and all other modes.
+ mode_ = mode;
+}
+
+void Denoise::setConfig(std::string const &name)
+{
+ auto it = configs_.find(name);
+ if (it == configs_.end()) {
+ /*
+ * Some platforms may have no need for different denoise settings, so we only issue
+ * a warning if there clearly are several configurations.
+ */
+ if (configs_.size() > 1)
+ LOG(RPiDenoise, Warning) << "No denoise config found for " << name;
+ else
+ LOG(RPiDenoise, Debug) << "No denoise config found for " << name;
+ } else
+ currentConfig_ = &it->second;
+}
+
+// Register algorithm with the system.
+static Algorithm *Create(Controller *controller)
+{
+ return (Algorithm *)new Denoise(controller);
+}
+static RegisterAlgorithm reg(NAME, &Create);
diff --git a/src/ipa/rpi/controller/rpi/denoise.h b/src/ipa/rpi/controller/rpi/denoise.h
new file mode 100644
index 00000000..92ff4f93
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/denoise.h
@@ -0,0 +1,59 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2022, Raspberry Pi Ltd
+ *
+ * denoise.hpp - Denoise (spatial, colour, temporal) control algorithm
+ */
+#pragma once
+
+#include <map>
+#include <string>
+
+#include "algorithm.h"
+#include "denoise_algorithm.h"
+
+namespace RPiController {
+
+// Algorithm to calculate correct denoise settings.
+
+struct DenoiseConfig {
+ double sdnDeviation;
+ double sdnStrength;
+ double sdnDeviation2;
+ double sdnDeviationNoTdn;
+ double sdnStrengthNoTdn;
+ double sdnTdnBackoff;
+ double cdnDeviation;
+ double cdnStrength;
+ double tdnDeviation;
+ double tdnThreshold;
+ bool tdnEnable;
+ bool sdnEnable;
+ bool cdnEnable;
+ int read(const libcamera::YamlObject &params);
+};
+
+class Denoise : public DenoiseAlgorithm
+{
+public:
+ Denoise(Controller *controller);
+ char const *name() const override;
+ int read(const libcamera::YamlObject &params) override;
+ void initialise() override;
+ void switchMode(CameraMode const &cameraMode, Metadata *metadata) override;
+ void prepare(Metadata *imageMetadata) override;
+ void setMode(DenoiseMode mode) override;
+ void setConfig(std::string const &name) override;
+
+private:
+ std::map<std::string, DenoiseConfig> configs_;
+ DenoiseConfig *currentConfig_;
+ DenoiseMode mode_;
+
+ /* SDN parameters attenuate over time if TDN is running. */
+ double currentSdnDeviation_;
+ double currentSdnStrength_;
+ double currentSdnDeviation2_;
+};
+
+} // namespace RPiController
diff --git a/src/ipa/rpi/controller/rpi/dpc.cpp b/src/ipa/rpi/controller/rpi/dpc.cpp
new file mode 100644
index 00000000..8aac03f7
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/dpc.cpp
@@ -0,0 +1,59 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * DPC (defective pixel correction) control algorithm
+ */
+
+#include <libcamera/base/log.h>
+
+#include "dpc.h"
+
+using namespace RPiController;
+using namespace libcamera;
+
+LOG_DEFINE_CATEGORY(RPiDpc)
+
+/*
+ * We use the lux status so that we can apply stronger settings in darkness (if
+ * necessary).
+ */
+
+#define NAME "rpi.dpc"
+
+Dpc::Dpc(Controller *controller)
+ : Algorithm(controller)
+{
+}
+
+char const *Dpc::name() const
+{
+ return NAME;
+}
+
+int Dpc::read(const libcamera::YamlObject &params)
+{
+ config_.strength = params["strength"].get<int>(1);
+ if (config_.strength < 0 || config_.strength > 2) {
+ LOG(RPiDpc, Error) << "Bad strength value";
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+void Dpc::prepare(Metadata *imageMetadata)
+{
+ DpcStatus dpcStatus = {};
+ /* Should we vary this with lux level or analogue gain? TBD. */
+ dpcStatus.strength = config_.strength;
+ LOG(RPiDpc, Debug) << "strength " << dpcStatus.strength;
+ imageMetadata->set("dpc.status", dpcStatus);
+}
+
+/* Register algorithm with the system. */
+static Algorithm *create(Controller *controller)
+{
+ return (Algorithm *)new Dpc(controller);
+}
+static RegisterAlgorithm reg(NAME, &create);
diff --git a/src/ipa/rpi/controller/rpi/dpc.h b/src/ipa/rpi/controller/rpi/dpc.h
new file mode 100644
index 00000000..9cefb06d
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/dpc.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * DPC (defective pixel correction) control algorithm
+ */
+#pragma once
+
+#include "../algorithm.h"
+#include "../dpc_status.h"
+
+namespace RPiController {
+
+/* Back End algorithm to apply appropriate GEQ settings. */
+
+struct DpcConfig {
+ int strength;
+};
+
+class Dpc : public Algorithm
+{
+public:
+ Dpc(Controller *controller);
+ char const *name() const override;
+ int read(const libcamera::YamlObject &params) override;
+ void prepare(Metadata *imageMetadata) override;
+
+private:
+ DpcConfig config_;
+};
+
+} /* namespace RPiController */
diff --git a/src/ipa/raspberrypi/controller/rpi/focus.hpp b/src/ipa/rpi/controller/rpi/focus.h
index 131b1d0f..ee014be9 100644
--- a/src/ipa/raspberrypi/controller/rpi/focus.hpp
+++ b/src/ipa/rpi/controller/rpi/focus.h
@@ -1,13 +1,13 @@
/* SPDX-License-Identifier: BSD-2-Clause */
/*
- * Copyright (C) 2020, Raspberry Pi (Trading) Limited
+ * Copyright (C) 2020, Raspberry Pi Ltd
*
- * focus.hpp - focus algorithm
+ * focus algorithm
*/
#pragma once
-#include "../algorithm.hpp"
-#include "../metadata.hpp"
+#include "../algorithm.h"
+#include "../metadata.h"
/*
* The "focus" algorithm. All it does it print out a version of the
@@ -21,8 +21,8 @@ class Focus : public Algorithm
{
public:
Focus(Controller *controller);
- char const *Name() const override;
- void Process(StatisticsPtr &stats, Metadata *image_metadata) override;
+ char const *name() const override;
+ void process(StatisticsPtr &stats, Metadata *imageMetadata) override;
};
} /* namespace RPiController */
diff --git a/src/ipa/rpi/controller/rpi/geq.cpp b/src/ipa/rpi/controller/rpi/geq.cpp
new file mode 100644
index 00000000..fb539d1f
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/geq.cpp
@@ -0,0 +1,89 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * GEQ (green equalisation) control algorithm
+ */
+
+#include <libcamera/base/log.h>
+
+#include "../device_status.h"
+#include "../lux_status.h"
+#include "../pwl.h"
+
+#include "geq.h"
+
+using namespace RPiController;
+using namespace libcamera;
+
+LOG_DEFINE_CATEGORY(RPiGeq)
+
+/*
+ * We use the lux status so that we can apply stronger settings in darkness (if
+ * necessary).
+ */
+
+#define NAME "rpi.geq"
+
+Geq::Geq(Controller *controller)
+ : Algorithm(controller)
+{
+}
+
+char const *Geq::name() const
+{
+ return NAME;
+}
+
+int Geq::read(const libcamera::YamlObject &params)
+{
+ config_.offset = params["offset"].get<uint16_t>(0);
+ config_.slope = params["slope"].get<double>(0.0);
+ if (config_.slope < 0.0 || config_.slope >= 1.0) {
+ LOG(RPiGeq, Error) << "Bad slope value";
+ return -EINVAL;
+ }
+
+ if (params.contains("strength")) {
+ int ret = config_.strength.read(params["strength"]);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+void Geq::prepare(Metadata *imageMetadata)
+{
+ LuxStatus luxStatus = {};
+ luxStatus.lux = 400;
+ if (imageMetadata->get("lux.status", luxStatus))
+ LOG(RPiGeq, Warning) << "no lux data found";
+ DeviceStatus deviceStatus;
+ deviceStatus.analogueGain = 1.0; /* in case not found */
+ if (imageMetadata->get("device.status", deviceStatus))
+ LOG(RPiGeq, Warning)
+ << "no device metadata - use analogue gain of 1x";
+ GeqStatus geqStatus = {};
+ double strength = config_.strength.empty()
+ ? 1.0
+ : config_.strength.eval(config_.strength.domain().clip(luxStatus.lux));
+ strength *= deviceStatus.analogueGain;
+ double offset = config_.offset * strength;
+ double slope = config_.slope * strength;
+ geqStatus.offset = std::min(65535.0, std::max(0.0, offset));
+ geqStatus.slope = std::min(.99999, std::max(0.0, slope));
+ LOG(RPiGeq, Debug)
+ << "offset " << geqStatus.offset << " slope "
+ << geqStatus.slope << " (analogue gain "
+ << deviceStatus.analogueGain << " lux "
+ << luxStatus.lux << ")";
+ imageMetadata->set("geq.status", geqStatus);
+}
+
+/* Register algorithm with the system. */
+static Algorithm *create(Controller *controller)
+{
+ return (Algorithm *)new Geq(controller);
+}
+static RegisterAlgorithm reg(NAME, &create);
diff --git a/src/ipa/rpi/controller/rpi/geq.h b/src/ipa/rpi/controller/rpi/geq.h
new file mode 100644
index 00000000..2c8400c2
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/geq.h
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * GEQ (green equalisation) control algorithm
+ */
+#pragma once
+
+#include "../algorithm.h"
+#include "../geq_status.h"
+
+namespace RPiController {
+
+/* Back End algorithm to apply appropriate GEQ settings. */
+
+struct GeqConfig {
+ uint16_t offset;
+ double slope;
+ Pwl strength; /* lux to strength factor */
+};
+
+class Geq : public Algorithm
+{
+public:
+ Geq(Controller *controller);
+ char const *name() const override;
+ int read(const libcamera::YamlObject &params) override;
+ void prepare(Metadata *imageMetadata) override;
+
+private:
+ GeqConfig config_;
+};
+
+} /* namespace RPiController */
diff --git a/src/ipa/rpi/controller/rpi/hdr.cpp b/src/ipa/rpi/controller/rpi/hdr.cpp
new file mode 100644
index 00000000..34cf360e
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/hdr.cpp
@@ -0,0 +1,417 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2023 Raspberry Pi Ltd
+ *
+ * HDR control algorithm
+ */
+
+#include "hdr.h"
+
+#include <cmath>
+
+#include <libcamera/base/log.h>
+
+#include "../agc_status.h"
+#include "../alsc_status.h"
+#include "../stitch_status.h"
+#include "../tonemap_status.h"
+
+using namespace RPiController;
+using namespace libcamera;
+
+LOG_DEFINE_CATEGORY(RPiHdr)
+
+#define NAME "rpi.hdr"
+
+void HdrConfig::read(const libcamera::YamlObject &params, const std::string &modeName)
+{
+ name = modeName;
+
+ if (!params.contains("cadence"))
+ LOG(RPiHdr, Fatal) << "No cadence for HDR mode " << name;
+ cadence = params["cadence"].getList<unsigned int>().value();
+ if (cadence.empty())
+ LOG(RPiHdr, Fatal) << "Empty cadence in HDR mode " << name;
+
+ /*
+ * In the JSON file it's easier to use the channel name as the key, but
+ * for us it's convenient to swap them over.
+ */
+ for (const auto &[k, v] : params["channel_map"].asDict())
+ channelMap[v.get<unsigned int>().value()] = k;
+
+ /* Lens shading related parameters. */
+ if (params.contains("spatial_gain_curve")) {
+ spatialGainCurve.read(params["spatial_gain_curve"]);
+ } else if (params.contains("spatial_gain")) {
+ double spatialGain = params["spatial_gain"].get<double>(2.0);
+ spatialGainCurve.append(0.0, spatialGain);
+ spatialGainCurve.append(0.01, spatialGain);
+ spatialGainCurve.append(0.06, 1.0); /* maybe make this programmable? */
+ spatialGainCurve.append(1.0, 1.0);
+ }
+
+ diffusion = params["diffusion"].get<unsigned int>(3);
+ /* Clip to an arbitrary limit just to stop typos from killing the system! */
+ const unsigned int MAX_DIFFUSION = 15;
+ if (diffusion > MAX_DIFFUSION) {
+ diffusion = MAX_DIFFUSION;
+ LOG(RPiHdr, Warning) << "Diffusion value clipped to " << MAX_DIFFUSION;
+ }
+
+ /* Read any tonemap parameters. */
+ tonemapEnable = params["tonemap_enable"].get<int>(0);
+ detailConstant = params["detail_constant"].get<uint16_t>(0);
+ detailSlope = params["detail_slope"].get<double>(0.0);
+ iirStrength = params["iir_strength"].get<double>(8.0);
+ strength = params["strength"].get<double>(1.5);
+ if (tonemapEnable)
+ tonemap.read(params["tonemap"]);
+ speed = params["speed"].get<double>(1.0);
+ if (params.contains("hi_quantile_targets")) {
+ hiQuantileTargets = params["hi_quantile_targets"].getList<double>().value();
+ if (hiQuantileTargets.empty() || hiQuantileTargets.size() % 2)
+ LOG(RPiHdr, Fatal) << "hi_quantile_targets much be even and non-empty";
+ } else
+ hiQuantileTargets = { 0.95, 0.65, 0.5, 0.28, 0.3, 0.25 };
+ hiQuantileMaxGain = params["hi_quantile_max_gain"].get<double>(1.6);
+ if (params.contains("quantile_targets")) {
+ quantileTargets = params["quantile_targets"].getList<double>().value();
+ if (quantileTargets.empty() || quantileTargets.size() % 2)
+ LOG(RPiHdr, Fatal) << "quantile_targets much be even and non-empty";
+ } else
+ quantileTargets = { 0.2, 0.03, 1.0, 0.15 };
+ powerMin = params["power_min"].get<double>(0.65);
+ powerMax = params["power_max"].get<double>(1.0);
+ if (params.contains("contrast_adjustments")) {
+ contrastAdjustments = params["contrast_adjustments"].getList<double>().value();
+ } else
+ contrastAdjustments = { 0.5, 0.75 };
+
+ /* Read any stitch parameters. */
+ stitchEnable = params["stitch_enable"].get<int>(0);
+ thresholdLo = params["threshold_lo"].get<uint16_t>(50000);
+ motionThreshold = params["motion_threshold"].get<double>(0.005);
+ diffPower = params["diff_power"].get<uint8_t>(13);
+ if (diffPower > 15)
+ LOG(RPiHdr, Fatal) << "Bad diff_power value in HDR mode " << name;
+}
+
+Hdr::Hdr(Controller *controller)
+ : HdrAlgorithm(controller)
+{
+ regions_ = controller->getHardwareConfig().awbRegions;
+ numRegions_ = regions_.width * regions_.height;
+ gains_[0].resize(numRegions_, 1.0);
+ gains_[1].resize(numRegions_, 1.0);
+}
+
+char const *Hdr::name() const
+{
+ return NAME;
+}
+
+int Hdr::read(const libcamera::YamlObject &params)
+{
+ /* Make an "HDR off" mode by default so that tuning files don't have to. */
+ HdrConfig &offMode = config_["Off"];
+ offMode.name = "Off";
+ offMode.cadence = { 0 };
+ offMode.channelMap[0] = "None";
+ status_.mode = offMode.name;
+ delayedStatus_.mode = offMode.name;
+
+ /*
+ * But we still allow the tuning file to override the "Off" mode if it wants.
+ * For example, maybe an application will make channel 0 be the "short"
+ * channel, in order to apply other AGC controls to it.
+ */
+ for (const auto &[key, value] : params.asDict())
+ config_[key].read(value, key);
+
+ return 0;
+}
+
+int Hdr::setMode(std::string const &mode)
+{
+ /* Always validate the mode, so it can be used later without checking. */
+ auto it = config_.find(mode);
+ if (it == config_.end()) {
+ LOG(RPiHdr, Warning) << "No such HDR mode " << mode;
+ return -1;
+ }
+
+ status_.mode = it->second.name;
+
+ return 0;
+}
+
+std::vector<unsigned int> Hdr::getChannels() const
+{
+ return config_.at(status_.mode).cadence;
+}
+
+void Hdr::updateAgcStatus(Metadata *metadata)
+{
+ std::scoped_lock lock(*metadata);
+ AgcStatus *agcStatus = metadata->getLocked<AgcStatus>("agc.status");
+ if (agcStatus) {
+ HdrConfig &hdrConfig = config_[status_.mode];
+ auto it = hdrConfig.channelMap.find(agcStatus->channel);
+ if (it != hdrConfig.channelMap.end()) {
+ status_.channel = it->second;
+ agcStatus->hdr = status_;
+ } else
+ LOG(RPiHdr, Warning) << "Channel " << agcStatus->channel
+ << " not found in mode " << status_.mode;
+ } else
+ LOG(RPiHdr, Warning) << "No agc.status found";
+}
+
+void Hdr::switchMode([[maybe_unused]] CameraMode const &cameraMode, Metadata *metadata)
+{
+ updateAgcStatus(metadata);
+ delayedStatus_ = status_;
+}
+
+void Hdr::prepare(Metadata *imageMetadata)
+{
+ AgcStatus agcStatus;
+ if (!imageMetadata->get<AgcStatus>("agc.delayed_status", agcStatus))
+ delayedStatus_ = agcStatus.hdr;
+
+ auto it = config_.find(delayedStatus_.mode);
+ if (it == config_.end()) {
+ /* Shouldn't be possible. There would be nothing we could do. */
+ LOG(RPiHdr, Warning) << "Unexpected HDR mode " << delayedStatus_.mode;
+ return;
+ }
+
+ HdrConfig &config = it->second;
+ if (config.spatialGainCurve.empty())
+ return;
+
+ AlscStatus alscStatus{}; /* some compilers seem to require the braces */
+ if (imageMetadata->get<AlscStatus>("alsc.status", alscStatus)) {
+ LOG(RPiHdr, Warning) << "No ALSC status";
+ return;
+ }
+
+ /* The final gains ended up in the odd or even array, according to diffusion. */
+ std::vector<double> &gains = gains_[config.diffusion & 1];
+ for (unsigned int i = 0; i < numRegions_; i++) {
+ alscStatus.r[i] *= gains[i];
+ alscStatus.g[i] *= gains[i];
+ alscStatus.b[i] *= gains[i];
+ }
+ imageMetadata->set("alsc.status", alscStatus);
+}
+
+bool Hdr::updateTonemap([[maybe_unused]] StatisticsPtr &stats, HdrConfig &config)
+{
+ /* When there's a change of HDR mode we start over with a new tonemap curve. */
+ if (delayedStatus_.mode != previousMode_) {
+ previousMode_ = delayedStatus_.mode;
+ tonemap_ = Pwl();
+ }
+
+ /* No tonemapping. No need to output a tonemap.status. */
+ if (!config.tonemapEnable)
+ return false;
+
+ /* If an explicit tonemap was given, use it. */
+ if (!config.tonemap.empty()) {
+ tonemap_ = config.tonemap;
+ return true;
+ }
+
+ /*
+ * We wouldn't update the tonemap on short frames when in multi-exposure mode. But
+ * we still need to output the most recent tonemap. Possibly we should make the
+ * config indicate the channels for which we should update the tonemap?
+ */
+ if (delayedStatus_.mode == "MultiExposure" && delayedStatus_.channel != "short")
+ return true;
+
+ /*
+ * Create a tonemap dynamically. We have three ingredients.
+ *
+ * 1. We have a list of "hi quantiles" and "targets". We use these to judge if
+ * the image does seem to be reasonably saturated. If it isn't, we calculate
+ * a gain that we will feed as a linear factor into the tonemap generation.
+ * This prevents unsaturated images from beoming quite so "flat".
+ *
+ * 2. We have a list of quantile/target pairs for the bottom of the histogram.
+ * We use these to calculate how much gain we must apply to the bottom of the
+ * tonemap. We apply this gain as a power curve so as not to blow out the top
+ * end.
+ *
+ * 3. Finally, when we generate the tonemap, we have some contrast adjustments
+ * for the bottom because we know that power curves can start quite steeply and
+ * cause a washed-out look.
+ */
+
+ /* Compute the linear gain from the headroom for saturation at the top. */
+ double gain = 10; /* arbitrary, but hiQuantileMaxGain will clamp it later */
+ for (unsigned int i = 0; i < config.hiQuantileTargets.size(); i += 2) {
+ double quantile = config.hiQuantileTargets[i];
+ double target = config.hiQuantileTargets[i + 1];
+ double value = stats->yHist.interQuantileMean(quantile, 1.0) / 1024.0;
+ double newGain = target / (value + 0.01);
+ gain = std::min(gain, newGain);
+ }
+ gain = std::clamp(gain, 1.0, config.hiQuantileMaxGain);
+
+ /* Compute the power curve from the amount of gain needed at the bottom. */
+ double min_power = 2; /* arbitrary, but config.powerMax will clamp it later */
+ for (unsigned int i = 0; i < config.quantileTargets.size(); i += 2) {
+ double quantile = config.quantileTargets[i];
+ double target = config.quantileTargets[i + 1];
+ double value = stats->yHist.interQuantileMean(0, quantile) / 1024.0;
+ value = std::min(value * gain, 1.0);
+ double power = log(target + 1e-6) / log(value + 1e-6);
+ min_power = std::min(min_power, power);
+ }
+ double power = std::clamp(min_power, config.powerMin, config.powerMax);
+
+ /* Generate the tonemap, including the contrast adjustment factors. */
+ Pwl tonemap;
+ tonemap.append(0, 0);
+ for (unsigned int i = 0; i <= 6; i++) {
+ double x = 1 << (i + 9); /* x loops from 512 to 32768 inclusive */
+ double y = pow(std::min(x * gain, 65535.0) / 65536.0, power) * 65536;
+ if (i < config.contrastAdjustments.size())
+ y *= config.contrastAdjustments[i];
+ if (!tonemap_.empty())
+ y = y * config.speed + tonemap_.eval(x) * (1 - config.speed);
+ tonemap.append(x, y);
+ }
+ tonemap.append(65535, 65535);
+ tonemap_ = tonemap;
+
+ return true;
+}
+
+static void averageGains(std::vector<double> &src, std::vector<double> &dst, const Size &size)
+{
+#define IDX(y, x) ((y)*size.width + (x))
+ unsigned int lastCol = size.width - 1; /* index of last column */
+ unsigned int preLastCol = lastCol - 1; /* and the column before that */
+ unsigned int lastRow = size.height - 1; /* index of last row */
+ unsigned int preLastRow = lastRow - 1; /* and the row before that */
+
+ /* Corners first. */
+ dst[IDX(0, 0)] = (src[IDX(0, 0)] + src[IDX(0, 1)] + src[IDX(1, 0)]) / 3;
+ dst[IDX(0, lastCol)] = (src[IDX(0, lastCol)] + src[IDX(0, preLastCol)] + src[IDX(1, lastCol)]) / 3;
+ dst[IDX(lastRow, 0)] = (src[IDX(lastRow, 0)] + src[IDX(lastRow, 1)] + src[IDX(preLastRow, 0)]) / 3;
+ dst[IDX(lastRow, lastCol)] = (src[IDX(lastRow, lastCol)] + src[IDX(lastRow, preLastCol)] +
+ src[IDX(preLastRow, lastCol)]) /
+ 3;
+
+ /* Now the edges. */
+ for (unsigned int i = 1; i < lastCol; i++) {
+ dst[IDX(0, i)] = (src[IDX(0, i - 1)] + src[IDX(0, i)] + src[IDX(0, i + 1)] + src[IDX(1, i)]) / 4;
+ dst[IDX(lastRow, i)] = (src[IDX(lastRow, i - 1)] + src[IDX(lastRow, i)] +
+ src[IDX(lastRow, i + 1)] + src[IDX(preLastRow, i)]) /
+ 4;
+ }
+
+ for (unsigned int i = 1; i < lastRow; i++) {
+ dst[IDX(i, 0)] = (src[IDX(i - 1, 0)] + src[IDX(i, 0)] + src[IDX(i + 1, 0)] + src[IDX(i, 1)]) / 4;
+ dst[IDX(i, 31)] = (src[IDX(i - 1, lastCol)] + src[IDX(i, lastCol)] +
+ src[IDX(i + 1, lastCol)] + src[IDX(i, preLastCol)]) /
+ 4;
+ }
+
+ /* Finally the interior. */
+ for (unsigned int j = 1; j < lastRow; j++) {
+ for (unsigned int i = 1; i < lastCol; i++) {
+ dst[IDX(j, i)] = (src[IDX(j - 1, i)] + src[IDX(j, i - 1)] + src[IDX(j, i)] +
+ src[IDX(j, i + 1)] + src[IDX(j + 1, i)]) /
+ 5;
+ }
+ }
+}
+
+void Hdr::updateGains(StatisticsPtr &stats, HdrConfig &config)
+{
+ if (config.spatialGainCurve.empty())
+ return;
+
+ /* When alternating exposures, only compute these gains for the short frame. */
+ if (delayedStatus_.mode == "MultiExposure" && delayedStatus_.channel != "short")
+ return;
+
+ for (unsigned int i = 0; i < numRegions_; i++) {
+ auto &region = stats->awbRegions.get(i);
+ unsigned int counted = region.counted;
+ counted += (counted == 0); /* avoid div by zero */
+ double r = region.val.rSum / counted;
+ double g = region.val.gSum / counted;
+ double b = region.val.bSum / counted;
+ double brightness = std::max({ r, g, b }) / 65535;
+ gains_[0][i] = config.spatialGainCurve.eval(brightness);
+ }
+
+ /* Ping-pong between the two gains_ buffers. */
+ for (unsigned int i = 0; i < config.diffusion; i++)
+ averageGains(gains_[i & 1], gains_[(i & 1) ^ 1], regions_);
+}
+
+void Hdr::process(StatisticsPtr &stats, Metadata *imageMetadata)
+{
+ /* Note what HDR channel this frame will be once it comes back to us. */
+ updateAgcStatus(imageMetadata);
+
+ /*
+ * Now figure out what HDR channel this frame is. It should be available in the
+ * agc.delayed_status, unless this is an early frame after a mode switch, in which
+ * case delayedStatus_ should be right.
+ */
+ AgcStatus agcStatus;
+ if (!imageMetadata->get<AgcStatus>("agc.delayed_status", agcStatus))
+ delayedStatus_ = agcStatus.hdr;
+
+ auto it = config_.find(delayedStatus_.mode);
+ if (it == config_.end()) {
+ /* Shouldn't be possible. There would be nothing we could do. */
+ LOG(RPiHdr, Warning) << "Unexpected HDR mode " << delayedStatus_.mode;
+ return;
+ }
+
+ HdrConfig &config = it->second;
+
+ /* Update the spatially varying gains. They get written in prepare(). */
+ updateGains(stats, config);
+
+ if (updateTonemap(stats, config)) {
+ /* Add tonemap.status metadata. */
+ TonemapStatus tonemapStatus;
+
+ tonemapStatus.detailConstant = config.detailConstant;
+ tonemapStatus.detailSlope = config.detailSlope;
+ tonemapStatus.iirStrength = config.iirStrength;
+ tonemapStatus.strength = config.strength;
+ tonemapStatus.tonemap = tonemap_;
+
+ imageMetadata->set("tonemap.status", tonemapStatus);
+ }
+
+ if (config.stitchEnable) {
+ /* Add stitch.status metadata. */
+ StitchStatus stitchStatus;
+
+ stitchStatus.diffPower = config.diffPower;
+ stitchStatus.motionThreshold = config.motionThreshold;
+ stitchStatus.thresholdLo = config.thresholdLo;
+
+ imageMetadata->set("stitch.status", stitchStatus);
+ }
+}
+
+/* Register algorithm with the system. */
+static Algorithm *create(Controller *controller)
+{
+ return (Algorithm *)new Hdr(controller);
+}
+static RegisterAlgorithm reg(NAME, &create);
diff --git a/src/ipa/rpi/controller/rpi/hdr.h b/src/ipa/rpi/controller/rpi/hdr.h
new file mode 100644
index 00000000..9b7327f8
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/hdr.h
@@ -0,0 +1,84 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2023, Raspberry Pi Ltd
+ *
+ * HDR control algorithm
+ */
+#pragma once
+
+#include <map>
+#include <string>
+#include <vector>
+
+#include <libcamera/geometry.h>
+
+#include "../hdr_algorithm.h"
+#include "../hdr_status.h"
+#include "../pwl.h"
+
+/* This is our implementation of an HDR algorithm. */
+
+namespace RPiController {
+
+struct HdrConfig {
+ std::string name;
+ std::vector<unsigned int> cadence;
+ std::map<unsigned int, std::string> channelMap;
+
+ /* Lens shading related parameters. */
+ Pwl spatialGainCurve; /* Brightness to gain curve for different image regions. */
+ unsigned int diffusion; /* How much to diffuse the gain spatially. */
+
+ /* Tonemap related parameters. */
+ bool tonemapEnable;
+ uint16_t detailConstant;
+ double detailSlope;
+ double iirStrength;
+ double strength;
+ Pwl tonemap;
+ /* These relate to adaptive tonemap calculation. */
+ double speed;
+ std::vector<double> hiQuantileTargets; /* quantiles to check for unsaturated images */
+ double hiQuantileMaxGain; /* the max gain we'll apply when unsaturated */
+ std::vector<double> quantileTargets; /* target values for histogram quantiles */
+ double powerMin; /* minimum tonemap power */
+ double powerMax; /* maximum tonemap power */
+ std::vector<double> contrastAdjustments; /* any contrast adjustment factors */
+
+ /* Stitch related parameters. */
+ bool stitchEnable;
+ uint16_t thresholdLo;
+ uint8_t diffPower;
+ double motionThreshold;
+
+ void read(const libcamera::YamlObject &params, const std::string &name);
+};
+
+class Hdr : public HdrAlgorithm
+{
+public:
+ Hdr(Controller *controller);
+ char const *name() const override;
+ void switchMode(CameraMode const &cameraMode, Metadata *metadata) override;
+ int read(const libcamera::YamlObject &params) override;
+ void prepare(Metadata *imageMetadata) override;
+ void process(StatisticsPtr &stats, Metadata *imageMetadata) override;
+ int setMode(std::string const &mode) override;
+ std::vector<unsigned int> getChannels() const override;
+
+private:
+ void updateAgcStatus(Metadata *metadata);
+ void updateGains(StatisticsPtr &stats, HdrConfig &config);
+ bool updateTonemap(StatisticsPtr &stats, HdrConfig &config);
+
+ std::map<std::string, HdrConfig> config_;
+ HdrStatus status_; /* track the current HDR mode and channel */
+ HdrStatus delayedStatus_; /* track the delayed HDR mode and channel */
+ std::string previousMode_;
+ Pwl tonemap_;
+ libcamera::Size regions_; /* stats regions */
+ unsigned int numRegions_; /* total number of stats regions */
+ std::vector<double> gains_[2];
+};
+
+} /* namespace RPiController */
diff --git a/src/ipa/rpi/controller/rpi/lux.cpp b/src/ipa/rpi/controller/rpi/lux.cpp
new file mode 100644
index 00000000..7b31faab
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/lux.cpp
@@ -0,0 +1,115 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * Lux control algorithm
+ */
+#include <math.h>
+
+#include <libcamera/base/log.h>
+
+#include "../device_status.h"
+
+#include "lux.h"
+
+using namespace RPiController;
+using namespace libcamera;
+using namespace std::literals::chrono_literals;
+
+LOG_DEFINE_CATEGORY(RPiLux)
+
+#define NAME "rpi.lux"
+
+Lux::Lux(Controller *controller)
+ : Algorithm(controller)
+{
+ /*
+ * Put in some defaults as there will be no meaningful values until
+ * Process has run.
+ */
+ status_.aperture = 1.0;
+ status_.lux = 400;
+}
+
+char const *Lux::name() const
+{
+ return NAME;
+}
+
+int Lux::read(const libcamera::YamlObject &params)
+{
+ auto value = params["reference_shutter_speed"].get<double>();
+ if (!value)
+ return -EINVAL;
+ referenceShutterSpeed_ = *value * 1.0us;
+
+ value = params["reference_gain"].get<double>();
+ if (!value)
+ return -EINVAL;
+ referenceGain_ = *value;
+
+ referenceAperture_ = params["reference_aperture"].get<double>(1.0);
+
+ value = params["reference_Y"].get<double>();
+ if (!value)
+ return -EINVAL;
+ referenceY_ = *value;
+
+ value = params["reference_lux"].get<double>();
+ if (!value)
+ return -EINVAL;
+ referenceLux_ = *value;
+
+ currentAperture_ = referenceAperture_;
+ return 0;
+}
+
+void Lux::setCurrentAperture(double aperture)
+{
+ currentAperture_ = aperture;
+}
+
+void Lux::prepare(Metadata *imageMetadata)
+{
+ std::unique_lock<std::mutex> lock(mutex_);
+ imageMetadata->set("lux.status", status_);
+}
+
+void Lux::process(StatisticsPtr &stats, Metadata *imageMetadata)
+{
+ DeviceStatus deviceStatus;
+ if (imageMetadata->get("device.status", deviceStatus) == 0) {
+ double currentGain = deviceStatus.analogueGain;
+ double currentAperture = deviceStatus.aperture.value_or(currentAperture_);
+ double currentY = stats->yHist.interQuantileMean(0, 1);
+ double gainRatio = referenceGain_ / currentGain;
+ double shutterSpeedRatio =
+ referenceShutterSpeed_ / deviceStatus.shutterSpeed;
+ double apertureRatio = referenceAperture_ / currentAperture;
+ double yRatio = currentY * (65536 / stats->yHist.bins()) / referenceY_;
+ double estimatedLux = shutterSpeedRatio * gainRatio *
+ apertureRatio * apertureRatio *
+ yRatio * referenceLux_;
+ LuxStatus status;
+ status.lux = estimatedLux;
+ status.aperture = currentAperture;
+ LOG(RPiLux, Debug) << ": estimated lux " << estimatedLux;
+ {
+ std::unique_lock<std::mutex> lock(mutex_);
+ status_ = status;
+ }
+ /*
+ * Overwrite the metadata here as well, so that downstream
+ * algorithms get the latest value.
+ */
+ imageMetadata->set("lux.status", status);
+ } else
+ LOG(RPiLux, Warning) << ": no device metadata";
+}
+
+/* Register algorithm with the system. */
+static Algorithm *create(Controller *controller)
+{
+ return (Algorithm *)new Lux(controller);
+}
+static RegisterAlgorithm reg(NAME, &create);
diff --git a/src/ipa/rpi/controller/rpi/lux.h b/src/ipa/rpi/controller/rpi/lux.h
new file mode 100644
index 00000000..89f441fc
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/lux.h
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * Lux control algorithm
+ */
+#pragma once
+
+#include <mutex>
+
+#include <libcamera/base/utils.h>
+
+#include "../lux_status.h"
+#include "../algorithm.h"
+
+/* This is our implementation of the "lux control algorithm". */
+
+namespace RPiController {
+
+class Lux : public Algorithm
+{
+public:
+ Lux(Controller *controller);
+ char const *name() const override;
+ int read(const libcamera::YamlObject &params) override;
+ void prepare(Metadata *imageMetadata) override;
+ void process(StatisticsPtr &stats, Metadata *imageMetadata) override;
+ void setCurrentAperture(double aperture);
+
+private:
+ /*
+ * These values define the conditions of the reference image, against
+ * which we compare the new image.
+ */
+ libcamera::utils::Duration referenceShutterSpeed_;
+ double referenceGain_;
+ double referenceAperture_; /* units of 1/f */
+ double referenceY_; /* out of 65536 */
+ double referenceLux_;
+ double currentAperture_;
+ LuxStatus status_;
+ std::mutex mutex_;
+};
+
+} /* namespace RPiController */
diff --git a/src/ipa/rpi/controller/rpi/noise.cpp b/src/ipa/rpi/controller/rpi/noise.cpp
new file mode 100644
index 00000000..3f1c62cf
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/noise.cpp
@@ -0,0 +1,89 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * Noise control algorithm
+ */
+
+#include <math.h>
+
+#include <libcamera/base/log.h>
+
+#include "../device_status.h"
+#include "../noise_status.h"
+
+#include "noise.h"
+
+using namespace RPiController;
+using namespace libcamera;
+
+LOG_DEFINE_CATEGORY(RPiNoise)
+
+#define NAME "rpi.noise"
+
+Noise::Noise(Controller *controller)
+ : Algorithm(controller), modeFactor_(1.0)
+{
+}
+
+char const *Noise::name() const
+{
+ return NAME;
+}
+
+void Noise::switchMode(CameraMode const &cameraMode,
+ [[maybe_unused]] Metadata *metadata)
+{
+ /*
+ * For example, we would expect a 2x2 binned mode to have a "noise
+ * factor" of sqrt(2x2) = 2. (can't be less than one, right?)
+ */
+ modeFactor_ = std::max(1.0, cameraMode.noiseFactor);
+}
+
+int Noise::read(const libcamera::YamlObject &params)
+{
+ auto value = params["reference_constant"].get<double>();
+ if (!value)
+ return -EINVAL;
+ referenceConstant_ = *value;
+
+ value = params["reference_slope"].get<double>();
+ if (!value)
+ return -EINVAL;
+ referenceSlope_ = *value;
+
+ return 0;
+}
+
+void Noise::prepare(Metadata *imageMetadata)
+{
+ struct DeviceStatus deviceStatus;
+ deviceStatus.analogueGain = 1.0; /* keep compiler calm */
+ if (imageMetadata->get("device.status", deviceStatus) == 0) {
+ /*
+ * There is a slight question as to exactly how the noise
+ * profile, specifically the constant part of it, scales. For
+ * now we assume it all scales the same, and we'll revisit this
+ * if it proves substantially wrong. NOTE: we may also want to
+ * make some adjustments based on the camera mode (such as
+ * binning), if we knew how to discover it...
+ */
+ double factor = sqrt(deviceStatus.analogueGain) / modeFactor_;
+ struct NoiseStatus status;
+ status.noiseConstant = referenceConstant_ * factor;
+ status.noiseSlope = referenceSlope_ * factor;
+ imageMetadata->set("noise.status", status);
+ LOG(RPiNoise, Debug)
+ << "constant " << status.noiseConstant
+ << " slope " << status.noiseSlope;
+ } else
+ LOG(RPiNoise, Warning) << " no metadata";
+}
+
+/* Register algorithm with the system. */
+static Algorithm *create(Controller *controller)
+{
+ return new Noise(controller);
+}
+static RegisterAlgorithm reg(NAME, &create);
diff --git a/src/ipa/rpi/controller/rpi/noise.h b/src/ipa/rpi/controller/rpi/noise.h
new file mode 100644
index 00000000..6deae1f0
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/noise.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * Noise control algorithm
+ */
+#pragma once
+
+#include "../algorithm.h"
+#include "../noise_status.h"
+
+/* This is our implementation of the "noise algorithm". */
+
+namespace RPiController {
+
+class Noise : public Algorithm
+{
+public:
+ Noise(Controller *controller);
+ char const *name() const override;
+ void switchMode(CameraMode const &cameraMode, Metadata *metadata) override;
+ int read(const libcamera::YamlObject &params) override;
+ void prepare(Metadata *imageMetadata) override;
+
+private:
+ /* the noise profile for analogue gain of 1.0 */
+ double referenceConstant_;
+ double referenceSlope_;
+ double modeFactor_;
+};
+
+} /* namespace RPiController */
diff --git a/src/ipa/rpi/controller/rpi/saturation.cpp b/src/ipa/rpi/controller/rpi/saturation.cpp
new file mode 100644
index 00000000..b83c5887
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/saturation.cpp
@@ -0,0 +1,57 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2022 Raspberry Pi Ltd
+ *
+ * Saturation control algorithm
+ */
+#include "saturation.h"
+
+#include <libcamera/base/log.h>
+
+#include "saturation_status.h"
+
+using namespace RPiController;
+using namespace libcamera;
+
+LOG_DEFINE_CATEGORY(RPiSaturation)
+
+#define NAME "rpi.saturation"
+
+Saturation::Saturation(Controller *controller)
+ : Algorithm(controller)
+{
+}
+
+char const *Saturation::name() const
+{
+ return NAME;
+}
+
+int Saturation::read(const libcamera::YamlObject &params)
+{
+ config_.shiftR = params["shift_r"].get<uint8_t>(0);
+ config_.shiftG = params["shift_g"].get<uint8_t>(0);
+ config_.shiftB = params["shift_b"].get<uint8_t>(0);
+ return 0;
+}
+
+void Saturation::initialise()
+{
+}
+
+void Saturation::prepare(Metadata *imageMetadata)
+{
+ SaturationStatus saturation;
+
+ saturation.shiftR = config_.shiftR;
+ saturation.shiftG = config_.shiftG;
+ saturation.shiftB = config_.shiftB;
+ imageMetadata->set("saturation.status", saturation);
+}
+
+// Register algorithm with the system.
+static Algorithm *Create(Controller *controller)
+{
+ return (Algorithm *)new Saturation(controller);
+}
+static RegisterAlgorithm reg(NAME, &Create);
diff --git a/src/ipa/rpi/controller/rpi/saturation.h b/src/ipa/rpi/controller/rpi/saturation.h
new file mode 100644
index 00000000..97da412a
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/saturation.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2022, Raspberry Pi Ltd
+ *
+ * saturation.hpp - Saturation control algorithm
+ */
+#pragma once
+
+#include "algorithm.h"
+
+namespace RPiController {
+
+struct SaturationConfig {
+ uint8_t shiftR;
+ uint8_t shiftG;
+ uint8_t shiftB;
+};
+
+class Saturation : public Algorithm
+{
+public:
+ Saturation(Controller *controller = NULL);
+ char const *name() const override;
+ int read(const libcamera::YamlObject &params) override;
+ void initialise() override;
+ void prepare(Metadata *imageMetadata) override;
+
+private:
+ SaturationConfig config_;
+};
+
+} // namespace RPiController
diff --git a/src/ipa/rpi/controller/rpi/sdn.cpp b/src/ipa/rpi/controller/rpi/sdn.cpp
new file mode 100644
index 00000000..619178a8
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/sdn.cpp
@@ -0,0 +1,83 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019-2021, Raspberry Pi Ltd
+ *
+ * SDN (spatial denoise) control algorithm
+ */
+
+#include <libcamera/base/log.h>
+#include <libcamera/base/utils.h>
+
+#include "../denoise_status.h"
+#include "../noise_status.h"
+
+#include "sdn.h"
+
+using namespace RPiController;
+using namespace libcamera;
+
+LOG_DEFINE_CATEGORY(RPiSdn)
+
+/*
+ * Calculate settings for the spatial denoise block using the noise profile in
+ * the image metadata.
+ */
+
+#define NAME "rpi.sdn"
+
+Sdn::Sdn(Controller *controller)
+ : DenoiseAlgorithm(controller), mode_(DenoiseMode::ColourOff)
+{
+}
+
+char const *Sdn::name() const
+{
+ return NAME;
+}
+
+int Sdn::read(const libcamera::YamlObject &params)
+{
+ LOG(RPiSdn, Warning)
+ << "Using legacy SDN tuning - please consider moving SDN inside rpi.denoise";
+ deviation_ = params["deviation"].get<double>(3.2);
+ strength_ = params["strength"].get<double>(0.75);
+ return 0;
+}
+
+void Sdn::initialise()
+{
+}
+
+void Sdn::prepare(Metadata *imageMetadata)
+{
+ struct NoiseStatus noiseStatus = {};
+ noiseStatus.noiseSlope = 3.0; /* in case no metadata */
+ if (imageMetadata->get("noise.status", noiseStatus) != 0)
+ LOG(RPiSdn, Warning) << "no noise profile found";
+ LOG(RPiSdn, Debug)
+ << "Noise profile: constant " << noiseStatus.noiseConstant
+ << " slope " << noiseStatus.noiseSlope;
+ struct DenoiseStatus status;
+ status.noiseConstant = noiseStatus.noiseConstant * deviation_;
+ status.noiseSlope = noiseStatus.noiseSlope * deviation_;
+ status.strength = strength_;
+ status.mode = utils::to_underlying(mode_);
+ imageMetadata->set("denoise.status", status);
+ LOG(RPiSdn, Debug)
+ << "programmed constant " << status.noiseConstant
+ << " slope " << status.noiseSlope
+ << " strength " << status.strength;
+}
+
+void Sdn::setMode(DenoiseMode mode)
+{
+ /* We only distinguish between off and all other modes. */
+ mode_ = mode;
+}
+
+/* Register algorithm with the system. */
+static Algorithm *create(Controller *controller)
+{
+ return (Algorithm *)new Sdn(controller);
+}
+static RegisterAlgorithm reg(NAME, &create);
diff --git a/src/ipa/rpi/controller/rpi/sdn.h b/src/ipa/rpi/controller/rpi/sdn.h
new file mode 100644
index 00000000..cb226de8
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/sdn.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * SDN (spatial denoise) control algorithm
+ */
+#pragma once
+
+#include "../algorithm.h"
+#include "../denoise_algorithm.h"
+
+namespace RPiController {
+
+/* Algorithm to calculate correct spatial denoise (SDN) settings. */
+
+class Sdn : public DenoiseAlgorithm
+{
+public:
+ Sdn(Controller *controller = NULL);
+ char const *name() const override;
+ int read(const libcamera::YamlObject &params) override;
+ void initialise() override;
+ void prepare(Metadata *imageMetadata) override;
+ void setMode(DenoiseMode mode) override;
+
+private:
+ double deviation_;
+ double strength_;
+ DenoiseMode mode_;
+};
+
+} /* namespace RPiController */
diff --git a/src/ipa/rpi/controller/rpi/sharpen.cpp b/src/ipa/rpi/controller/rpi/sharpen.cpp
new file mode 100644
index 00000000..39537f4a
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/sharpen.cpp
@@ -0,0 +1,92 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * sharpening control algorithm
+ */
+
+#include <math.h>
+
+#include <libcamera/base/log.h>
+
+#include "../sharpen_status.h"
+
+#include "sharpen.h"
+
+using namespace RPiController;
+using namespace libcamera;
+
+LOG_DEFINE_CATEGORY(RPiSharpen)
+
+#define NAME "rpi.sharpen"
+
+Sharpen::Sharpen(Controller *controller)
+ : SharpenAlgorithm(controller), userStrength_(1.0)
+{
+}
+
+char const *Sharpen::name() const
+{
+ return NAME;
+}
+
+void Sharpen::switchMode(CameraMode const &cameraMode,
+ [[maybe_unused]] Metadata *metadata)
+{
+ /* can't be less than one, right? */
+ modeFactor_ = std::max(1.0, cameraMode.noiseFactor);
+}
+
+int Sharpen::read(const libcamera::YamlObject &params)
+{
+ threshold_ = params["threshold"].get<double>(1.0);
+ strength_ = params["strength"].get<double>(1.0);
+ limit_ = params["limit"].get<double>(1.0);
+ LOG(RPiSharpen, Debug)
+ << "Read threshold " << threshold_
+ << " strength " << strength_
+ << " limit " << limit_;
+ return 0;
+}
+
+void Sharpen::setStrength(double strength)
+{
+ /*
+ * Note that this function is how an application sets the overall
+ * sharpening "strength". We call this the "user strength" field
+ * as there already is a strength_ field - being an internal gain
+ * parameter that gets passed to the ISP control code. Negative
+ * values are not allowed - coerce them to zero (no sharpening).
+ */
+ userStrength_ = std::max(0.0, strength);
+}
+
+void Sharpen::prepare(Metadata *imageMetadata)
+{
+ /*
+ * The userStrength_ affects the algorithm's internal gain directly, but
+ * we adjust the limit and threshold less aggressively. Using a sqrt
+ * function is an arbitrary but gentle way of accomplishing this.
+ */
+ double userStrengthSqrt = sqrt(userStrength_);
+ struct SharpenStatus status;
+ /*
+ * Binned modes seem to need the sharpening toned down with this
+ * pipeline, thus we use the modeFactor_ here. Also avoid
+ * divide-by-zero with the userStrengthSqrt.
+ */
+ status.threshold = threshold_ * modeFactor_ /
+ std::max(0.01, userStrengthSqrt);
+ status.strength = strength_ / modeFactor_ * userStrength_;
+ status.limit = limit_ / modeFactor_ * userStrengthSqrt;
+ /* Finally, report any application-supplied parameters that were used. */
+ status.userStrength = userStrength_;
+ imageMetadata->set("sharpen.status", status);
+}
+
+/* Register algorithm with the system. */
+static Algorithm *create(Controller *controller)
+{
+ return new Sharpen(controller);
+}
+static RegisterAlgorithm reg(NAME, &create);
diff --git a/src/ipa/rpi/controller/rpi/sharpen.h b/src/ipa/rpi/controller/rpi/sharpen.h
new file mode 100644
index 00000000..96ccd609
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/sharpen.h
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * sharpening control algorithm
+ */
+#pragma once
+
+#include "../sharpen_algorithm.h"
+#include "../sharpen_status.h"
+
+/* This is our implementation of the "sharpen algorithm". */
+
+namespace RPiController {
+
+class Sharpen : public SharpenAlgorithm
+{
+public:
+ Sharpen(Controller *controller);
+ char const *name() const override;
+ void switchMode(CameraMode const &cameraMode, Metadata *metadata) override;
+ int read(const libcamera::YamlObject &params) override;
+ void setStrength(double strength) override;
+ void prepare(Metadata *imageMetadata) override;
+
+private:
+ double threshold_;
+ double strength_;
+ double limit_;
+ double modeFactor_;
+ double userStrength_;
+};
+
+} /* namespace RPiController */
diff --git a/src/ipa/rpi/controller/rpi/tonemap.cpp b/src/ipa/rpi/controller/rpi/tonemap.cpp
new file mode 100644
index 00000000..0426e972
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/tonemap.cpp
@@ -0,0 +1,61 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2022 Raspberry Pi Ltd
+ *
+ * Tonemap control algorithm
+ */
+#include "tonemap.h"
+
+#include <libcamera/base/log.h>
+
+#include "tonemap_status.h"
+
+using namespace RPiController;
+using namespace libcamera;
+
+LOG_DEFINE_CATEGORY(RPiTonemap)
+
+#define NAME "rpi.tonemap"
+
+Tonemap::Tonemap(Controller *controller)
+ : Algorithm(controller)
+{
+}
+
+char const *Tonemap::name() const
+{
+ return NAME;
+}
+
+int Tonemap::read(const libcamera::YamlObject &params)
+{
+ config_.detailConstant = params["detail_constant"].get<uint16_t>(0);
+ config_.detailSlope = params["detail_slope"].get<double>(0.1);
+ config_.iirStrength = params["iir_strength"].get<double>(1.0);
+ config_.strength = params["strength"].get<double>(1.0);
+ config_.tonemap.read(params["tone_curve"]);
+ return 0;
+}
+
+void Tonemap::initialise()
+{
+}
+
+void Tonemap::prepare(Metadata *imageMetadata)
+{
+ TonemapStatus tonemapStatus;
+
+ tonemapStatus.detailConstant = config_.detailConstant;
+ tonemapStatus.detailSlope = config_.detailSlope;
+ tonemapStatus.iirStrength = config_.iirStrength;
+ tonemapStatus.strength = config_.strength;
+ tonemapStatus.tonemap = config_.tonemap;
+ imageMetadata->set("tonemap.status", tonemapStatus);
+}
+
+// Register algorithm with the system.
+static Algorithm *Create(Controller *controller)
+{
+ return (Algorithm *)new Tonemap(controller);
+}
+static RegisterAlgorithm reg(NAME, &Create);
diff --git a/src/ipa/rpi/controller/rpi/tonemap.h b/src/ipa/rpi/controller/rpi/tonemap.h
new file mode 100644
index 00000000..f25aa47f
--- /dev/null
+++ b/src/ipa/rpi/controller/rpi/tonemap.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2022, Raspberry Pi Ltd
+ *
+ * tonemap.hpp - Tonemap control algorithm
+ */
+#pragma once
+
+#include "algorithm.h"
+#include "pwl.h"
+
+namespace RPiController {
+
+struct TonemapConfig {
+ uint16_t detailConstant;
+ double detailSlope;
+ double iirStrength;
+ double strength;
+ Pwl tonemap;
+};
+
+class Tonemap : public Algorithm
+{
+public:
+ Tonemap(Controller *controller = NULL);
+ char const *name() const override;
+ int read(const libcamera::YamlObject &params) override;
+ void initialise() override;
+ void prepare(Metadata *imageMetadata) override;
+
+private:
+ TonemapConfig config_;
+};
+
+} // namespace RPiController
diff --git a/src/ipa/rpi/controller/saturation_status.h b/src/ipa/rpi/controller/saturation_status.h
new file mode 100644
index 00000000..c7fadc99
--- /dev/null
+++ b/src/ipa/rpi/controller/saturation_status.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2022 Raspberry Pi Ltd
+ *
+ * Saturation control algorithm status
+ */
+#pragma once
+
+struct SaturationStatus {
+ uint8_t shiftR;
+ uint8_t shiftG;
+ uint8_t shiftB;
+};
diff --git a/src/ipa/rpi/controller/sharpen_algorithm.h b/src/ipa/rpi/controller/sharpen_algorithm.h
new file mode 100644
index 00000000..abd82cb2
--- /dev/null
+++ b/src/ipa/rpi/controller/sharpen_algorithm.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2020, Raspberry Pi Ltd
+ *
+ * sharpness control algorithm interface
+ */
+#pragma once
+
+#include "algorithm.h"
+
+namespace RPiController {
+
+class SharpenAlgorithm : public Algorithm
+{
+public:
+ SharpenAlgorithm(Controller *controller) : Algorithm(controller) {}
+ /* A sharpness control algorithm must provide the following: */
+ virtual void setStrength(double strength) = 0;
+};
+
+} /* namespace RPiController */
diff --git a/src/ipa/rpi/controller/sharpen_status.h b/src/ipa/rpi/controller/sharpen_status.h
new file mode 100644
index 00000000..74910199
--- /dev/null
+++ b/src/ipa/rpi/controller/sharpen_status.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi Ltd
+ *
+ * Sharpen control algorithm status
+ */
+#pragma once
+
+/* The "sharpen" algorithm stores the strength to use. */
+
+struct SharpenStatus {
+ /* controls the smallest level of detail (or noise!) that sharpening will pick up */
+ double threshold;
+ /* the rate at which the sharpening response ramps once above the threshold */
+ double strength;
+ /* upper limit of the allowed sharpening response */
+ double limit;
+ /* The sharpening strength requested by the user or application. */
+ double userStrength;
+};
diff --git a/src/ipa/rpi/controller/statistics.h b/src/ipa/rpi/controller/statistics.h
new file mode 100644
index 00000000..cbd81161
--- /dev/null
+++ b/src/ipa/rpi/controller/statistics.h
@@ -0,0 +1,78 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2022, Raspberry Pi Ltd
+ *
+ * Raspberry Pi generic statistics structure
+ */
+#pragma once
+
+#include <memory>
+#include <stdint.h>
+#include <vector>
+
+#include "histogram.h"
+#include "region_stats.h"
+
+namespace RPiController {
+
+struct RgbySums {
+ RgbySums(uint64_t _rSum = 0, uint64_t _gSum = 0, uint64_t _bSum = 0, uint64_t _ySum = 0)
+ : rSum(_rSum), gSum(_gSum), bSum(_bSum), ySum(_ySum)
+ {
+ }
+ uint64_t rSum;
+ uint64_t gSum;
+ uint64_t bSum;
+ uint64_t ySum;
+};
+
+using RgbyRegions = RegionStats<RgbySums>;
+using FocusRegions = RegionStats<uint64_t>;
+
+struct Statistics {
+ /*
+ * All region based statistics are normalised to 16-bits, giving a
+ * maximum value of (1 << NormalisationFactorPow2) - 1.
+ */
+ static constexpr unsigned int NormalisationFactorPow2 = 16;
+
+ /*
+ * Positioning of the AGC statistics gathering in the pipeline:
+ * Pre-WB correction or post-WB correction.
+ * Assume this is post-LSC.
+ */
+ enum class AgcStatsPos { PreWb, PostWb };
+ const AgcStatsPos agcStatsPos;
+
+ /*
+ * Positioning of the AWB/ALSC statistics gathering in the pipeline:
+ * Pre-LSC or post-LSC.
+ */
+ enum class ColourStatsPos { PreLsc, PostLsc };
+ const ColourStatsPos colourStatsPos;
+
+ Statistics(AgcStatsPos a, ColourStatsPos c)
+ : agcStatsPos(a), colourStatsPos(c)
+ {
+ }
+
+ /* Histogram statistics. Not all histograms may be populated! */
+ Histogram rHist;
+ Histogram gHist;
+ Histogram bHist;
+ Histogram yHist;
+
+ /* Row sums for flicker avoidance. */
+ std::vector<RgbySums> rowSums;
+
+ /* Region based colour sums. */
+ RgbyRegions agcRegions;
+ RgbyRegions awbRegions;
+
+ /* Region based focus FoM. */
+ FocusRegions focusRegions;
+};
+
+using StatisticsPtr = std::shared_ptr<Statistics>;
+
+} /* namespace RPiController */
diff --git a/src/ipa/rpi/controller/stitch_status.h b/src/ipa/rpi/controller/stitch_status.h
new file mode 100644
index 00000000..7812f3e3
--- /dev/null
+++ b/src/ipa/rpi/controller/stitch_status.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2023 Raspberry Pi Ltd
+ *
+ * stitch control algorithm status
+ */
+#pragma once
+
+/*
+ * Parameters for the stitch block.
+ */
+
+struct StitchStatus {
+ uint16_t thresholdLo;
+ uint8_t diffPower;
+ double motionThreshold;
+};
diff --git a/src/ipa/rpi/controller/tonemap_status.h b/src/ipa/rpi/controller/tonemap_status.h
new file mode 100644
index 00000000..41a7bf2f
--- /dev/null
+++ b/src/ipa/rpi/controller/tonemap_status.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2022 Raspberry Pi Ltd
+ *
+ * Tonemap control algorithm status
+ */
+#pragma once
+
+#include "pwl.h"
+
+struct TonemapStatus {
+ uint16_t detailConstant;
+ double detailSlope;
+ double iirStrength;
+ double strength;
+ RPiController::Pwl tonemap;
+};
diff --git a/src/ipa/rpi/meson.build b/src/ipa/rpi/meson.build
new file mode 100644
index 00000000..4811c76f
--- /dev/null
+++ b/src/ipa/rpi/meson.build
@@ -0,0 +1,14 @@
+# SPDX-License-Identifier: CC0-1.0
+
+subdir('cam_helper')
+subdir('common')
+subdir('controller')
+
+foreach pipeline : pipelines
+ pipeline = pipeline.split('/')
+ if pipeline.length() < 2 or pipeline[0] != 'rpi'
+ continue
+ endif
+
+ subdir(pipeline[1])
+endforeach
diff --git a/src/ipa/rpi/vc4/data/imx219.json b/src/ipa/rpi/vc4/data/imx219.json
new file mode 100644
index 00000000..a020b12f
--- /dev/null
+++ b/src/ipa/rpi/vc4/data/imx219.json
@@ -0,0 +1,695 @@
+{
+ "version": 2.0,
+ "target": "bcm2835",
+ "algorithms": [
+ {
+ "rpi.black_level":
+ {
+ "black_level": 4096
+ }
+ },
+ {
+ "rpi.dpc": { }
+ },
+ {
+ "rpi.lux":
+ {
+ "reference_shutter_speed": 27685,
+ "reference_gain": 1.0,
+ "reference_aperture": 1.0,
+ "reference_lux": 998,
+ "reference_Y": 12744
+ }
+ },
+ {
+ "rpi.noise":
+ {
+ "reference_constant": 0,
+ "reference_slope": 3.67
+ }
+ },
+ {
+ "rpi.geq":
+ {
+ "offset": 204,
+ "slope": 0.01633
+ }
+ },
+ {
+ "rpi.sdn": { }
+ },
+ {
+ "rpi.awb":
+ {
+ "priors": [
+ {
+ "lux": 0,
+ "prior":
+ [
+ 2000, 1.0,
+ 3000, 0.0,
+ 13000, 0.0
+ ]
+ },
+ {
+ "lux": 800,
+ "prior":
+ [
+ 2000, 0.0,
+ 6000, 2.0,
+ 13000, 2.0
+ ]
+ },
+ {
+ "lux": 1500,
+ "prior":
+ [
+ 2000, 0.0,
+ 4000, 1.0,
+ 6000, 6.0,
+ 6500, 7.0,
+ 7000, 1.0,
+ 13000, 1.0
+ ]
+ }
+ ],
+ "modes":
+ {
+ "auto":
+ {
+ "lo": 2500,
+ "hi": 8000
+ },
+ "incandescent":
+ {
+ "lo": 2500,
+ "hi": 3000
+ },
+ "tungsten":
+ {
+ "lo": 3000,
+ "hi": 3500
+ },
+ "fluorescent":
+ {
+ "lo": 4000,
+ "hi": 4700
+ },
+ "indoor":
+ {
+ "lo": 3000,
+ "hi": 5000
+ },
+ "daylight":
+ {
+ "lo": 5500,
+ "hi": 6500
+ },
+ "cloudy":
+ {
+ "lo": 7000,
+ "hi": 8600
+ }
+ },
+ "bayes": 1,
+ "ct_curve":
+ [
+ 2498.0, 0.9309, 0.3599,
+ 2911.0, 0.8682, 0.4283,
+ 2919.0, 0.8358, 0.4621,
+ 3627.0, 0.7646, 0.5327,
+ 4600.0, 0.6079, 0.6721,
+ 5716.0, 0.5712, 0.7017,
+ 8575.0, 0.4331, 0.8037
+ ],
+ "sensitivity_r": 1.05,
+ "sensitivity_b": 1.05,
+ "transverse_pos": 0.04791,
+ "transverse_neg": 0.04881
+ }
+ },
+ {
+ "rpi.agc":
+ {
+ "channels": [
+ {
+ "metering_modes":
+ {
+ "centre-weighted":
+ {
+ "weights":
+ [
+ 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0
+ ]
+ },
+ "spot":
+ {
+ "weights":
+ [
+ 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+ ]
+ },
+ "matrix":
+ {
+ "weights":
+ [
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
+ ]
+ }
+ },
+ "exposure_modes":
+ {
+ "normal":
+ {
+ "shutter": [ 100, 10000, 30000, 60000, 66666 ],
+ "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ]
+ },
+ "short":
+ {
+ "shutter": [ 100, 5000, 10000, 20000, 33333 ],
+ "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ]
+ },
+ "long":
+ {
+ "shutter": [ 100, 10000, 30000, 60000, 120000 ],
+ "gain": [ 1.0, 2.0, 4.0, 6.0, 12.0 ]
+ }
+ },
+ "constraint_modes":
+ {
+ "normal": [
+ {
+ "bound": "LOWER",
+ "q_lo": 0.98,
+ "q_hi": 1.0,
+ "y_target":
+ [
+ 0, 0.5,
+ 1000, 0.5
+ ]
+ }
+ ],
+ "highlight": [
+ {
+ "bound": "LOWER",
+ "q_lo": 0.98,
+ "q_hi": 1.0,
+ "y_target":
+ [
+ 0, 0.5,
+ 1000, 0.5
+ ]
+ },
+ {
+ "bound": "UPPER",
+ "q_lo": 0.98,
+ "q_hi": 1.0,
+ "y_target":
+ [
+ 0, 0.8,
+ 1000, 0.8
+ ]
+ }
+ ],
+ "shadows": [
+ {
+ "bound": "LOWER",
+ "q_lo": 0.0,
+ "q_hi": 0.5,
+ "y_target":
+ [
+ 0, 0.17,
+ 1000, 0.17
+ ]
+ }
+ ]
+ },
+ "y_target":
+ [
+ 0, 0.16,
+ 1000, 0.165,
+ 10000, 0.17
+ ]
+ },
+ {
+ "base_ev": 0.125,
+ "metering_modes":
+ {
+ "centre-weighted":
+ {
+ "weights":
+ [
+ 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0
+ ]
+ },
+ "spot":
+ {
+ "weights":
+ [
+ 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+ ]
+ },
+ "matrix":
+ {
+ "weights":
+ [
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
+ ]
+ }
+ },
+ "exposure_modes":
+ {
+ "normal":
+ {
+ "shutter": [ 100, 10000, 30000, 60000, 66666 ],
+ "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ]
+ },
+ "short":
+ {
+ "shutter": [ 100, 5000, 10000, 20000, 33333 ],
+ "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ]
+ },
+ "long":
+ {
+ "shutter": [ 100, 10000, 30000, 60000, 120000 ],
+ "gain": [ 1.0, 2.0, 4.0, 6.0, 12.0 ]
+ }
+ },
+ "constraint_modes":
+ {
+ "normal": [
+ {
+ "bound": "LOWER",
+ "q_lo": 0.98,
+ "q_hi": 1.0,
+ "y_target":
+ [
+ 0, 0.5,
+ 1000, 0.5
+ ]
+ }
+ ],
+ "highlight": [
+ {
+ "bound": "LOWER",
+ "q_lo": 0.98,
+ "q_hi": 1.0,
+ "y_target":
+ [
+ 0, 0.5,
+ 1000, 0.5
+ ]
+ },
+ {
+ "bound": "UPPER",
+ "q_lo": 0.98,
+ "q_hi": 1.0,
+ "y_target":
+ [
+ 0, 0.8,
+ 1000, 0.8
+ ]
+ }
+ ],
+ "shadows": [
+ {
+ "bound": "LOWER",
+ "q_lo": 0.0,
+ "q_hi": 0.5,
+ "y_target":
+ [
+ 0, 0.17,
+ 1000, 0.17
+ ]
+ }
+ ]
+ },
+ "y_target":
+ [
+ 0, 0.16,
+ 1000, 0.165,
+ 10000, 0.17
+ ]
+ },
+ {
+ "base_ev": 1.5,
+ "metering_modes":
+ {
+ "centre-weighted":
+ {
+ "weights":
+ [
+ 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0
+ ]
+ },
+ "spot":
+ {
+ "weights":
+ [
+ 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+ ]
+ },
+ "matrix":
+ {
+ "weights":
+ [
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
+ ]
+ }
+ },
+ "exposure_modes":
+ {
+ "normal":
+ {
+ "shutter": [ 100, 10000, 30000, 60000, 66666 ],
+ "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ]
+ },
+ "short":
+ {
+ "shutter": [ 100, 5000, 10000, 20000, 33333 ],
+ "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ]
+ },
+ "long":
+ {
+ "shutter": [ 100, 10000, 30000, 60000, 120000 ],
+ "gain": [ 1.0, 2.0, 4.0, 6.0, 12.0 ]
+ }
+ },
+ "constraint_modes":
+ {
+ "normal": [
+ {
+ "bound": "LOWER",
+ "q_lo": 0.98,
+ "q_hi": 1.0,
+ "y_target":
+ [
+ 0, 0.5,
+ 1000, 0.5
+ ]
+ }
+ ],
+ "highlight": [
+ {
+ "bound": "LOWER",
+ "q_lo": 0.98,
+ "q_hi": 1.0,
+ "y_target":
+ [
+ 0, 0.5,
+ 1000, 0.5
+ ]
+ },
+ {
+ "bound": "UPPER",
+ "q_lo": 0.98,
+ "q_hi": 1.0,
+ "y_target":
+ [
+ 0, 0.8,
+ 1000, 0.8
+ ]
+ }
+ ],
+ "shadows": [
+ {
+ "bound": "LOWER",
+ "q_lo": 0.0,
+ "q_hi": 0.5,
+ "y_target":
+ [
+ 0, 0.17,
+ 1000, 0.17
+ ]
+ }
+ ]
+ },
+ "y_target":
+ [
+ 0, 0.16,
+ 1000, 0.165,
+ 10000, 0.17
+ ]
+ }
+ ]
+ }
+ },
+ {
+ "rpi.alsc":
+ {
+ "omega": 1.3,
+ "n_iter": 100,
+ "luminance_strength": 0.7,
+ "calibrations_Cr": [
+ {
+ "ct": 3000,
+ "table":
+ [
+ 1.487, 1.481, 1.481, 1.445, 1.389, 1.327, 1.307, 1.307, 1.307, 1.309, 1.341, 1.405, 1.458, 1.494, 1.494, 1.497,
+ 1.491, 1.481, 1.448, 1.397, 1.331, 1.275, 1.243, 1.229, 1.229, 1.249, 1.287, 1.349, 1.409, 1.463, 1.494, 1.497,
+ 1.491, 1.469, 1.405, 1.331, 1.275, 1.217, 1.183, 1.172, 1.172, 1.191, 1.231, 1.287, 1.349, 1.424, 1.484, 1.499,
+ 1.487, 1.444, 1.363, 1.283, 1.217, 1.183, 1.148, 1.138, 1.138, 1.159, 1.191, 1.231, 1.302, 1.385, 1.461, 1.492,
+ 1.481, 1.423, 1.334, 1.253, 1.189, 1.148, 1.135, 1.119, 1.123, 1.137, 1.159, 1.203, 1.272, 1.358, 1.442, 1.488,
+ 1.479, 1.413, 1.321, 1.236, 1.176, 1.139, 1.118, 1.114, 1.116, 1.123, 1.149, 1.192, 1.258, 1.344, 1.432, 1.487,
+ 1.479, 1.413, 1.321, 1.236, 1.176, 1.139, 1.116, 1.114, 1.115, 1.123, 1.149, 1.192, 1.258, 1.344, 1.432, 1.487,
+ 1.479, 1.425, 1.336, 1.251, 1.189, 1.149, 1.136, 1.118, 1.121, 1.138, 1.158, 1.206, 1.275, 1.358, 1.443, 1.488,
+ 1.488, 1.448, 1.368, 1.285, 1.219, 1.189, 1.149, 1.139, 1.139, 1.158, 1.195, 1.235, 1.307, 1.387, 1.462, 1.493,
+ 1.496, 1.475, 1.411, 1.337, 1.284, 1.219, 1.189, 1.176, 1.176, 1.195, 1.235, 1.296, 1.356, 1.429, 1.487, 1.501,
+ 1.495, 1.489, 1.458, 1.407, 1.337, 1.287, 1.253, 1.239, 1.239, 1.259, 1.296, 1.356, 1.419, 1.472, 1.499, 1.499,
+ 1.494, 1.489, 1.489, 1.453, 1.398, 1.336, 1.317, 1.317, 1.317, 1.321, 1.351, 1.416, 1.467, 1.501, 1.501, 1.499
+ ]
+ },
+ {
+ "ct": 3850,
+ "table":
+ [
+ 1.694, 1.688, 1.688, 1.649, 1.588, 1.518, 1.495, 1.495, 1.495, 1.497, 1.532, 1.602, 1.659, 1.698, 1.698, 1.703,
+ 1.698, 1.688, 1.653, 1.597, 1.525, 1.464, 1.429, 1.413, 1.413, 1.437, 1.476, 1.542, 1.606, 1.665, 1.698, 1.703,
+ 1.697, 1.673, 1.605, 1.525, 1.464, 1.401, 1.369, 1.354, 1.354, 1.377, 1.417, 1.476, 1.542, 1.623, 1.687, 1.705,
+ 1.692, 1.646, 1.561, 1.472, 1.401, 1.368, 1.337, 1.323, 1.324, 1.348, 1.377, 1.417, 1.492, 1.583, 1.661, 1.697,
+ 1.686, 1.625, 1.528, 1.439, 1.372, 1.337, 1.321, 1.311, 1.316, 1.324, 1.348, 1.389, 1.461, 1.553, 1.642, 1.694,
+ 1.684, 1.613, 1.514, 1.423, 1.359, 1.328, 1.311, 1.306, 1.306, 1.316, 1.339, 1.378, 1.446, 1.541, 1.633, 1.693,
+ 1.684, 1.613, 1.514, 1.423, 1.359, 1.328, 1.311, 1.305, 1.305, 1.316, 1.339, 1.378, 1.446, 1.541, 1.633, 1.693,
+ 1.685, 1.624, 1.529, 1.438, 1.372, 1.336, 1.324, 1.309, 1.314, 1.323, 1.348, 1.392, 1.462, 1.555, 1.646, 1.694,
+ 1.692, 1.648, 1.561, 1.473, 1.403, 1.372, 1.336, 1.324, 1.324, 1.348, 1.378, 1.423, 1.495, 1.585, 1.667, 1.701,
+ 1.701, 1.677, 1.608, 1.527, 1.471, 1.403, 1.375, 1.359, 1.359, 1.378, 1.423, 1.488, 1.549, 1.631, 1.694, 1.709,
+ 1.702, 1.694, 1.656, 1.601, 1.527, 1.473, 1.441, 1.424, 1.424, 1.443, 1.488, 1.549, 1.621, 1.678, 1.706, 1.707,
+ 1.699, 1.694, 1.694, 1.654, 1.593, 1.525, 1.508, 1.508, 1.508, 1.509, 1.546, 1.614, 1.674, 1.708, 1.708, 1.707
+ ]
+ },
+ {
+ "ct": 6000,
+ "table":
+ [
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diff --git a/src/ipa/rpi/vc4/data/imx219_noir.json b/src/ipa/rpi/vc4/data/imx219_noir.json
new file mode 100644
index 00000000..d8bc9639
--- /dev/null
+++ b/src/ipa/rpi/vc4/data/imx219_noir.json
@@ -0,0 +1,629 @@
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diff --git a/src/ipa/rpi/vc4/data/imx290.json b/src/ipa/rpi/vc4/data/imx290.json
new file mode 100644
index 00000000..8f41bf51
--- /dev/null
+++ b/src/ipa/rpi/vc4/data/imx290.json
@@ -0,0 +1,214 @@
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+} \ No newline at end of file
diff --git a/src/ipa/rpi/vc4/data/imx296.json b/src/ipa/rpi/vc4/data/imx296.json
new file mode 100644
index 00000000..8f24ce5b
--- /dev/null
+++ b/src/ipa/rpi/vc4/data/imx296.json
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+ }
+ }
+ ]
+} \ No newline at end of file
diff --git a/src/ipa/rpi/vc4/data/imx296_mono.json b/src/ipa/rpi/vc4/data/imx296_mono.json
new file mode 100644
index 00000000..fe331569
--- /dev/null
+++ b/src/ipa/rpi/vc4/data/imx296_mono.json
@@ -0,0 +1,240 @@
+{
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+ ]
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+ "strength": 1.0,
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+ }
+ }
+ ]
+} \ No newline at end of file
diff --git a/src/ipa/rpi/vc4/data/imx378.json b/src/ipa/rpi/vc4/data/imx378.json
new file mode 100644
index 00000000..363b47e1
--- /dev/null
+++ b/src/ipa/rpi/vc4/data/imx378.json
@@ -0,0 +1,427 @@
+{
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+ "target": "bcm2835",
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+ {
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+ }
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+ }
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+ }
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+ ]
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+ ]
+ }
+ ],
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+ },
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+ },
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+ },
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+ },
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+ "constraint_modes":
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+ ]
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+ ]
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+} \ No newline at end of file
diff --git a/src/ipa/rpi/vc4/data/imx477.json b/src/ipa/rpi/vc4/data/imx477.json
new file mode 100644
index 00000000..fa25ee86
--- /dev/null
+++ b/src/ipa/rpi/vc4/data/imx477.json
@@ -0,0 +1,700 @@
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+ ]
+} \ No newline at end of file
diff --git a/src/ipa/rpi/vc4/data/imx477_noir.json b/src/ipa/rpi/vc4/data/imx477_noir.json
new file mode 100644
index 00000000..472f33fe
--- /dev/null
+++ b/src/ipa/rpi/vc4/data/imx477_noir.json
@@ -0,0 +1,656 @@
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diff --git a/src/ipa/rpi/vc4/data/imx477_scientific.json b/src/ipa/rpi/vc4/data/imx477_scientific.json
new file mode 100644
index 00000000..9dc32eb1
--- /dev/null
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diff --git a/src/ipa/rpi/vc4/data/imx477_v1.json b/src/ipa/rpi/vc4/data/imx477_v1.json
new file mode 100644
index 00000000..55e4adc1
--- /dev/null
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+ },
+ {
+ "rpi.sharpen": { }
+ }
+ ]
+} \ No newline at end of file
diff --git a/src/ipa/rpi/vc4/data/imx519.json b/src/ipa/rpi/vc4/data/imx519.json
new file mode 100644
index 00000000..ce194256
--- /dev/null
+++ b/src/ipa/rpi/vc4/data/imx519.json
@@ -0,0 +1,427 @@
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+} \ No newline at end of file
diff --git a/src/ipa/rpi/vc4/data/imx708.json b/src/ipa/rpi/vc4/data/imx708.json
new file mode 100644
index 00000000..4de6f079
--- /dev/null
+++ b/src/ipa/rpi/vc4/data/imx708.json
@@ -0,0 +1,671 @@
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+ ]
+} \ No newline at end of file
diff --git a/src/ipa/rpi/vc4/data/imx708_noir.json b/src/ipa/rpi/vc4/data/imx708_noir.json
new file mode 100644
index 00000000..7b7ee874
--- /dev/null
+++ b/src/ipa/rpi/vc4/data/imx708_noir.json
@@ -0,0 +1,770 @@
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+ {
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+ },
+ {
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+ {
+ "ranges":
+ {
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+ "max": 12.0,
+ "default": 1.0
+ },
+ "macro":
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+ "max": 15.0,
+ "default": 4.0
+ }
+ },
+ "speeds":
+ {
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+ "step_fine": 0.25,
+ "contrast_ratio": 0.75,
+ "pdaf_gain": -0.02,
+ "pdaf_squelch": 0.125,
+ "max_slew": 2.0,
+ "pdaf_frames": 20,
+ "dropout_frames": 6,
+ "step_frames": 4
+ }
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+ "conf_thresh": 16,
+ "conf_clip": 512,
+ "skip_frames": 5,
+ "map": [ 0.0, 445, 15.0, 925 ]
+ }
+ },
+ {
+ "rpi.hdr":
+ {
+ "MultiExposureUnmerged":
+ {
+ "cadence": [ 1, 2 ],
+ "channel_map":
+ {
+ "short": 1,
+ "long": 2
+ }
+ }
+ }
+ }
+ ]
+} \ No newline at end of file
diff --git a/src/ipa/rpi/vc4/data/imx708_wide.json b/src/ipa/rpi/vc4/data/imx708_wide.json
new file mode 100644
index 00000000..6f45aafc
--- /dev/null
+++ b/src/ipa/rpi/vc4/data/imx708_wide.json
@@ -0,0 +1,682 @@
+{
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+ "target": "bcm2835",
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+ {
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+ {
+ "rpi.dpc": { }
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+ {
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+ "reference_Y": 8345
+ }
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+ {
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+ {
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+ "reference_slope": 4.0
+ }
+ },
+ {
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+ "slope": 0.00287
+ }
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+ {
+ "rpi.sdn": { }
+ },
+ {
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+ {
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+ "prior":
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+ 3000, 0.0,
+ 13000, 0.0
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+ 13000, 1.0
+ ]
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+ },
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+ },
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+ },
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+ }
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+ "channel_map":
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+ "long": 2
+ }
+ }
+ }
+ }
+ ]
+} \ No newline at end of file
diff --git a/src/ipa/rpi/vc4/data/imx708_wide_noir.json b/src/ipa/rpi/vc4/data/imx708_wide_noir.json
new file mode 100644
index 00000000..b9a5227e
--- /dev/null
+++ b/src/ipa/rpi/vc4/data/imx708_wide_noir.json
@@ -0,0 +1,673 @@
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+ 1.645, 1.663, 1.669, 1.668, 1.667, 1.667, 1.667, 1.668, 1.668, 1.665, 1.662, 1.661, 1.662, 1.664, 1.661, 1.649,
+ 1.651, 1.669, 1.669, 1.667, 1.666, 1.668, 1.669, 1.672, 1.672, 1.668, 1.665, 1.661, 1.661, 1.665, 1.665, 1.655,
+ 1.654, 1.669, 1.669, 1.666, 1.666, 1.669, 1.672, 1.673, 1.673, 1.671, 1.666, 1.661, 1.661, 1.665, 1.665, 1.659,
+ 1.654, 1.669, 1.669, 1.666, 1.666, 1.669, 1.671, 1.673, 1.672, 1.669, 1.667, 1.661, 1.661, 1.665, 1.665, 1.659,
+ 1.654, 1.668, 1.668, 1.664, 1.663, 1.667, 1.669, 1.671, 1.669, 1.668, 1.665, 1.661, 1.661, 1.663, 1.663, 1.659,
+ 1.653, 1.665, 1.665, 1.661, 1.661, 1.664, 1.667, 1.668, 1.668, 1.665, 1.661, 1.658, 1.659, 1.662, 1.662, 1.657,
+ 1.651, 1.664, 1.664, 1.659, 1.659, 1.661, 1.663, 1.663, 1.662, 1.661, 1.658, 1.656, 1.657, 1.662, 1.662, 1.655,
+ 1.645, 1.661, 1.663, 1.661, 1.659, 1.659, 1.659, 1.657, 1.657, 1.656, 1.654, 1.655, 1.656, 1.661, 1.661, 1.649,
+ 1.641, 1.654, 1.661, 1.661, 1.659, 1.657, 1.655, 1.653, 1.652, 1.651, 1.652, 1.653, 1.657, 1.658, 1.655, 1.644,
+ 1.635, 1.645, 1.661, 1.661, 1.661, 1.655, 1.653, 1.649, 1.648, 1.647, 1.651, 1.653, 1.657, 1.657, 1.646, 1.638
+ ]
+ }
+ ],
+ "luminance_lut":
+ [
+ 3.535, 3.279, 3.049, 2.722, 2.305, 1.958, 1.657, 1.647, 1.647, 1.656, 1.953, 2.289, 2.707, 3.058, 3.325, 3.589,
+ 3.379, 3.157, 2.874, 2.421, 1.973, 1.735, 1.472, 1.388, 1.388, 1.471, 1.724, 1.963, 2.409, 2.877, 3.185, 3.416,
+ 3.288, 3.075, 2.696, 2.169, 1.735, 1.472, 1.311, 1.208, 1.208, 1.306, 1.471, 1.724, 2.159, 2.695, 3.092, 3.321,
+ 3.238, 3.001, 2.534, 1.981, 1.572, 1.311, 1.207, 1.082, 1.082, 1.204, 1.306, 1.563, 1.973, 2.529, 3.008, 3.259,
+ 3.211, 2.938, 2.414, 1.859, 1.468, 1.221, 1.082, 1.036, 1.031, 1.079, 1.217, 1.463, 1.851, 2.403, 2.931, 3.229,
+ 3.206, 2.904, 2.356, 1.802, 1.421, 1.181, 1.037, 1.002, 1.002, 1.032, 1.175, 1.414, 1.793, 2.343, 2.899, 3.223,
+ 3.206, 2.904, 2.356, 1.802, 1.421, 1.181, 1.037, 1.005, 1.005, 1.032, 1.175, 1.414, 1.793, 2.343, 2.899, 3.223,
+ 3.211, 2.936, 2.417, 1.858, 1.468, 1.222, 1.083, 1.037, 1.032, 1.083, 1.218, 1.463, 1.848, 2.403, 2.932, 3.226,
+ 3.234, 2.997, 2.536, 1.979, 1.569, 1.311, 1.206, 1.084, 1.084, 1.204, 1.305, 1.565, 1.966, 2.524, 2.996, 3.251,
+ 3.282, 3.069, 2.697, 2.166, 1.731, 1.471, 1.311, 1.207, 1.207, 1.305, 1.466, 1.729, 2.158, 2.689, 3.077, 3.304,
+ 3.369, 3.146, 2.873, 2.415, 1.964, 1.722, 1.471, 1.382, 1.382, 1.466, 1.722, 1.964, 2.408, 2.871, 3.167, 3.401,
+ 3.524, 3.253, 3.025, 2.691, 2.275, 1.939, 1.657, 1.628, 1.628, 1.654, 1.936, 2.275, 2.687, 3.029, 3.284, 3.574
+ ],
+ "sigma": 0.00195,
+ "sigma_Cb": 0.00241
+ }
+ },
+ {
+ "rpi.contrast":
+ {
+ "ce_enable": 1,
+ "gamma_curve":
+ [
+ 0, 0,
+ 1024, 5040,
+ 2048, 9338,
+ 3072, 12356,
+ 4096, 15312,
+ 5120, 18051,
+ 6144, 20790,
+ 7168, 23193,
+ 8192, 25744,
+ 9216, 27942,
+ 10240, 30035,
+ 11264, 32005,
+ 12288, 33975,
+ 13312, 35815,
+ 14336, 37600,
+ 15360, 39168,
+ 16384, 40642,
+ 18432, 43379,
+ 20480, 45749,
+ 22528, 47753,
+ 24576, 49621,
+ 26624, 51253,
+ 28672, 52698,
+ 30720, 53796,
+ 32768, 54876,
+ 36864, 57012,
+ 40960, 58656,
+ 45056, 59954,
+ 49152, 61183,
+ 53248, 62355,
+ 57344, 63419,
+ 61440, 64476,
+ 65535, 65535
+ ]
+ }
+ },
+ {
+ "rpi.ccm":
+ {
+ "ccms": [
+ {
+ "ct": 2750,
+ "ccm":
+ [
+ 1.13004, 0.36392, -0.49396,
+ -0.45885, 1.68171, -0.22286,
+ -0.06473, -0.86962, 1.93435
+ ]
+ },
+ {
+ "ct": 2940,
+ "ccm":
+ [
+ 1.29876, 0.09627, -0.39503,
+ -0.43085, 1.60258, -0.17172,
+ -0.02638, -0.92581, 1.95218
+ ]
+ },
+ {
+ "ct": 3650,
+ "ccm":
+ [
+ 1.57729, -0.29734, -0.27995,
+ -0.42965, 1.66231, -0.23265,
+ -0.02183, -0.62331, 1.64514
+ ]
+ },
+ {
+ "ct": 4625,
+ "ccm":
+ [
+ 1.52145, -0.22382, -0.29763,
+ -0.40445, 1.82186, -0.41742,
+ -0.05732, -0.56222, 1.61954
+ ]
+ },
+ {
+ "ct": 5715,
+ "ccm":
+ [
+ 1.67851, -0.39193, -0.28658,
+ -0.37169, 1.72949, -0.35781,
+ -0.09556, -0.41951, 1.51508
+ ]
+ }
+ ]
+ }
+ },
+ {
+ "rpi.sharpen": { }
+ },
+ {
+ "rpi.af":
+ {
+ "ranges":
+ {
+ "normal":
+ {
+ "min": 0.0,
+ "max": 12.0,
+ "default": 1.0
+ },
+ "macro":
+ {
+ "min": 4.0,
+ "max": 32.0,
+ "default": 6.0
+ }
+ },
+ "speeds":
+ {
+ "normal":
+ {
+ "step_coarse": 2.0,
+ "step_fine": 0.5,
+ "contrast_ratio": 0.75,
+ "pdaf_gain": -0.03,
+ "pdaf_squelch": 0.2,
+ "max_slew": 4.0,
+ "pdaf_frames": 20,
+ "dropout_frames": 6,
+ "step_frames": 4
+ },
+ "fast":
+ {
+ "step_coarse": 2.0,
+ "step_fine": 0.5,
+ "contrast_ratio": 0.75,
+ "pdaf_gain": -0.05,
+ "pdaf_squelch": 0.2,
+ "max_slew": 5.0,
+ "pdaf_frames": 16,
+ "dropout_frames": 6,
+ "step_frames": 4
+ }
+ },
+ "conf_epsilon": 8,
+ "conf_thresh": 12,
+ "conf_clip": 512,
+ "skip_frames": 5,
+ "map": [ 0.0, 420, 35.0, 920 ]
+ }
+ },
+ {
+ "rpi.hdr":
+ {
+ "MultiExposureUnmerged":
+ {
+ "cadence": [ 1, 2 ],
+ "channel_map":
+ {
+ "short": 1,
+ "long": 2
+ }
+ }
+ }
+ }
+ ]
+} \ No newline at end of file
diff --git a/src/ipa/raspberrypi/data/meson.build b/src/ipa/rpi/vc4/data/meson.build
index 211811cf..afbf875a 100644
--- a/src/ipa/raspberrypi/data/meson.build
+++ b/src/ipa/rpi/vc4/data/meson.build
@@ -5,16 +5,24 @@ conf_files = files([
'imx219_noir.json',
'imx290.json',
'imx296.json',
+ 'imx296_mono.json',
'imx378.json',
'imx477.json',
'imx477_noir.json',
+ 'imx477_scientific.json',
'imx519.json',
+ 'imx708.json',
+ 'imx708_noir.json',
+ 'imx708_wide.json',
+ 'imx708_wide_noir.json',
'ov5647.json',
'ov5647_noir.json',
- 'ov9281.json',
+ 'ov64a40.json',
+ 'ov9281_mono.json',
'se327m12.json',
'uncalibrated.json',
])
install_data(conf_files,
- install_dir : ipa_data_dir / 'raspberrypi')
+ install_dir : ipa_data_dir / 'rpi' / 'vc4',
+ install_tag : 'runtime')
diff --git a/src/ipa/rpi/vc4/data/ov5647.json b/src/ipa/rpi/vc4/data/ov5647.json
new file mode 100644
index 00000000..40c6059c
--- /dev/null
+++ b/src/ipa/rpi/vc4/data/ov5647.json
@@ -0,0 +1,696 @@
+{
+ "version": 2.0,
+ "target": "bcm2835",
+ "algorithms": [
+ {
+ "rpi.black_level":
+ {
+ "black_level": 1024
+ }
+ },
+ {
+ "rpi.dpc": { }
+ },
+ {
+ "rpi.lux":
+ {
+ "reference_shutter_speed": 21663,
+ "reference_gain": 1.0,
+ "reference_aperture": 1.0,
+ "reference_lux": 987,
+ "reference_Y": 8961
+ }
+ },
+ {
+ "rpi.noise":
+ {
+ "reference_constant": 0,
+ "reference_slope": 4.25
+ }
+ },
+ {
+ "rpi.geq":
+ {
+ "offset": 401,
+ "slope": 0.05619
+ }
+ },
+ {
+ "rpi.sdn": { }
+ },
+ {
+ "rpi.awb":
+ {
+ "priors": [
+ {
+ "lux": 0,
+ "prior":
+ [
+ 2000, 1.0,
+ 3000, 0.0,
+ 13000, 0.0
+ ]
+ },
+ {
+ "lux": 800,
+ "prior":
+ [
+ 2000, 0.0,
+ 6000, 2.0,
+ 13000, 2.0
+ ]
+ },
+ {
+ "lux": 1500,
+ "prior":
+ [
+ 2000, 0.0,
+ 4000, 1.0,
+ 6000, 6.0,
+ 6500, 7.0,
+ 7000, 1.0,
+ 13000, 1.0
+ ]
+ }
+ ],
+ "modes":
+ {
+ "auto":
+ {
+ "lo": 2500,
+ "hi": 8000
+ },
+ "incandescent":
+ {
+ "lo": 2500,
+ "hi": 3000
+ },
+ "tungsten":
+ {
+ "lo": 3000,
+ "hi": 3500
+ },
+ "fluorescent":
+ {
+ "lo": 4000,
+ "hi": 4700
+ },
+ "indoor":
+ {
+ "lo": 3000,
+ "hi": 5000
+ },
+ "daylight":
+ {
+ "lo": 5500,
+ "hi": 6500
+ },
+ "cloudy":
+ {
+ "lo": 7000,
+ "hi": 8600
+ }
+ },
+ "bayes": 1,
+ "ct_curve":
+ [
+ 2500.0, 1.0289, 0.4503,
+ 2803.0, 0.9428, 0.5108,
+ 2914.0, 0.9406, 0.5127,
+ 3605.0, 0.8261, 0.6249,
+ 4540.0, 0.7331, 0.7533,
+ 5699.0, 0.6715, 0.8627,
+ 8625.0, 0.6081, 1.0012
+ ],
+ "sensitivity_r": 1.05,
+ "sensitivity_b": 1.05,
+ "transverse_pos": 0.0321,
+ "transverse_neg": 0.04313
+ }
+ },
+ {
+ "rpi.agc":
+ {
+ "channels": [
+ {
+ "metering_modes":
+ {
+ "centre-weighted":
+ {
+ "weights":
+ [
+ 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0
+ ]
+ },
+ "spot":
+ {
+ "weights":
+ [
+ 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+ ]
+ },
+ "matrix":
+ {
+ "weights":
+ [
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
+ ]
+ }
+ },
+ "exposure_modes":
+ {
+ "normal":
+ {
+ "shutter": [ 100, 10000, 30000, 60000, 66666 ],
+ "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ]
+ },
+ "short":
+ {
+ "shutter": [ 100, 5000, 10000, 20000, 33333 ],
+ "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ]
+ },
+ "long":
+ {
+ "shutter": [ 100, 10000, 30000, 60000, 120000 ],
+ "gain": [ 1.0, 2.0, 4.0, 6.0, 12.0 ]
+ }
+ },
+ "constraint_modes":
+ {
+ "normal": [
+ {
+ "bound": "LOWER",
+ "q_lo": 0.98,
+ "q_hi": 1.0,
+ "y_target":
+ [
+ 0, 0.5,
+ 1000, 0.5
+ ]
+ }
+ ],
+ "highlight": [
+ {
+ "bound": "LOWER",
+ "q_lo": 0.98,
+ "q_hi": 1.0,
+ "y_target":
+ [
+ 0, 0.5,
+ 1000, 0.5
+ ]
+ },
+ {
+ "bound": "UPPER",
+ "q_lo": 0.98,
+ "q_hi": 1.0,
+ "y_target":
+ [
+ 0, 0.8,
+ 1000, 0.8
+ ]
+ }
+ ],
+ "shadows": [
+ {
+ "bound": "LOWER",
+ "q_lo": 0.0,
+ "q_hi": 0.5,
+ "y_target":
+ [
+ 0, 0.17,
+ 1000, 0.17
+ ]
+ }
+ ]
+ },
+ "y_target":
+ [
+ 0, 0.16,
+ 1000, 0.165,
+ 10000, 0.17
+ ],
+ "base_ev": 1.25
+ },
+ {
+ "base_ev": 1.25,
+ "metering_modes":
+ {
+ "centre-weighted":
+ {
+ "weights":
+ [
+ 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0
+ ]
+ },
+ "spot":
+ {
+ "weights":
+ [
+ 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+ ]
+ },
+ "matrix":
+ {
+ "weights":
+ [
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
+ ]
+ }
+ },
+ "exposure_modes":
+ {
+ "normal":
+ {
+ "shutter": [ 100, 10000, 30000, 60000, 66666 ],
+ "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ]
+ },
+ "short":
+ {
+ "shutter": [ 100, 5000, 10000, 20000, 33333 ],
+ "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ]
+ },
+ "long":
+ {
+ "shutter": [ 100, 10000, 30000, 60000, 120000 ],
+ "gain": [ 1.0, 2.0, 4.0, 6.0, 12.0 ]
+ }
+ },
+ "constraint_modes":
+ {
+ "normal": [
+ {
+ "bound": "LOWER",
+ "q_lo": 0.98,
+ "q_hi": 1.0,
+ "y_target":
+ [
+ 0, 0.5,
+ 1000, 0.5
+ ]
+ }
+ ],
+ "highlight": [
+ {
+ "bound": "LOWER",
+ "q_lo": 0.98,
+ "q_hi": 1.0,
+ "y_target":
+ [
+ 0, 0.5,
+ 1000, 0.5
+ ]
+ },
+ {
+ "bound": "UPPER",
+ "q_lo": 0.98,
+ "q_hi": 1.0,
+ "y_target":
+ [
+ 0, 0.8,
+ 1000, 0.8
+ ]
+ }
+ ],
+ "shadows": [
+ {
+ "bound": "LOWER",
+ "q_lo": 0.0,
+ "q_hi": 0.5,
+ "y_target":
+ [
+ 0, 0.17,
+ 1000, 0.17
+ ]
+ }
+ ]
+ },
+ "y_target":
+ [
+ 0, 0.16,
+ 1000, 0.165,
+ 10000, 0.17
+ ]
+ },
+ {
+ "base_ev": 1.25,
+ "metering_modes":
+ {
+ "centre-weighted":
+ {
+ "weights":
+ [
+ 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0
+ ]
+ },
+ "spot":
+ {
+ "weights":
+ [
+ 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+ ]
+ },
+ "matrix":
+ {
+ "weights":
+ [
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
+ ]
+ }
+ },
+ "exposure_modes":
+ {
+ "normal":
+ {
+ "shutter": [ 100, 10000, 30000, 60000, 66666 ],
+ "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ]
+ },
+ "short":
+ {
+ "shutter": [ 100, 5000, 10000, 20000, 33333 ],
+ "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ]
+ },
+ "long":
+ {
+ "shutter": [ 100, 10000, 30000, 60000, 120000 ],
+ "gain": [ 1.0, 2.0, 4.0, 6.0, 12.0 ]
+ }
+ },
+ "constraint_modes":
+ {
+ "normal": [
+ {
+ "bound": "LOWER",
+ "q_lo": 0.98,
+ "q_hi": 1.0,
+ "y_target":
+ [
+ 0, 0.5,
+ 1000, 0.5
+ ]
+ }
+ ],
+ "highlight": [
+ {
+ "bound": "LOWER",
+ "q_lo": 0.98,
+ "q_hi": 1.0,
+ "y_target":
+ [
+ 0, 0.5,
+ 1000, 0.5
+ ]
+ },
+ {
+ "bound": "UPPER",
+ "q_lo": 0.98,
+ "q_hi": 1.0,
+ "y_target":
+ [
+ 0, 0.8,
+ 1000, 0.8
+ ]
+ }
+ ],
+ "shadows": [
+ {
+ "bound": "LOWER",
+ "q_lo": 0.0,
+ "q_hi": 0.5,
+ "y_target":
+ [
+ 0, 0.17,
+ 1000, 0.17
+ ]
+ }
+ ]
+ },
+ "y_target":
+ [
+ 0, 0.16,
+ 1000, 0.165,
+ 10000, 0.17
+ ]
+ }
+ ]
+ }
+ },
+ {
+ "rpi.alsc":
+ {
+ "omega": 1.3,
+ "n_iter": 100,
+ "luminance_strength": 0.5,
+ "calibrations_Cr": [
+ {
+ "ct": 3000,
+ "table":
+ [
+ 1.105, 1.103, 1.093, 1.083, 1.071, 1.065, 1.065, 1.065, 1.066, 1.069, 1.072, 1.077, 1.084, 1.089, 1.093, 1.093,
+ 1.103, 1.096, 1.084, 1.072, 1.059, 1.051, 1.047, 1.047, 1.051, 1.053, 1.059, 1.067, 1.075, 1.082, 1.085, 1.086,
+ 1.096, 1.084, 1.072, 1.059, 1.051, 1.045, 1.039, 1.038, 1.039, 1.045, 1.049, 1.057, 1.063, 1.072, 1.081, 1.082,
+ 1.092, 1.075, 1.061, 1.052, 1.045, 1.039, 1.036, 1.035, 1.035, 1.039, 1.044, 1.049, 1.056, 1.063, 1.072, 1.081,
+ 1.092, 1.073, 1.058, 1.048, 1.043, 1.038, 1.035, 1.033, 1.033, 1.035, 1.039, 1.044, 1.051, 1.057, 1.069, 1.078,
+ 1.091, 1.068, 1.054, 1.045, 1.041, 1.038, 1.035, 1.032, 1.032, 1.032, 1.036, 1.041, 1.045, 1.055, 1.069, 1.078,
+ 1.091, 1.068, 1.052, 1.043, 1.041, 1.038, 1.035, 1.032, 1.031, 1.032, 1.034, 1.036, 1.043, 1.055, 1.069, 1.078,
+ 1.092, 1.068, 1.052, 1.047, 1.042, 1.041, 1.038, 1.035, 1.032, 1.032, 1.035, 1.039, 1.043, 1.055, 1.071, 1.079,
+ 1.092, 1.073, 1.057, 1.051, 1.047, 1.047, 1.044, 1.041, 1.038, 1.038, 1.039, 1.043, 1.051, 1.059, 1.076, 1.083,
+ 1.092, 1.081, 1.068, 1.058, 1.056, 1.056, 1.053, 1.052, 1.049, 1.048, 1.048, 1.051, 1.059, 1.066, 1.083, 1.085,
+ 1.091, 1.087, 1.081, 1.068, 1.065, 1.064, 1.062, 1.062, 1.061, 1.056, 1.056, 1.056, 1.064, 1.069, 1.084, 1.089,
+ 1.091, 1.089, 1.085, 1.079, 1.069, 1.068, 1.067, 1.067, 1.067, 1.063, 1.061, 1.063, 1.068, 1.069, 1.081, 1.092
+ ]
+ },
+ {
+ "ct": 5000,
+ "table":
+ [
+ 1.486, 1.484, 1.468, 1.449, 1.427, 1.403, 1.399, 1.399, 1.399, 1.404, 1.413, 1.433, 1.454, 1.473, 1.482, 1.488,
+ 1.484, 1.472, 1.454, 1.431, 1.405, 1.381, 1.365, 1.365, 1.367, 1.373, 1.392, 1.411, 1.438, 1.458, 1.476, 1.481,
+ 1.476, 1.458, 1.433, 1.405, 1.381, 1.361, 1.339, 1.334, 1.334, 1.346, 1.362, 1.391, 1.411, 1.438, 1.462, 1.474,
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diff --git a/src/ipa/rpi/vc4/data/ov5647_noir.json b/src/ipa/rpi/vc4/data/ov5647_noir.json
new file mode 100644
index 00000000..488b7119
--- /dev/null
+++ b/src/ipa/rpi/vc4/data/ov5647_noir.json
@@ -0,0 +1,412 @@
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+ {
+ "rpi.sharpen": { }
+ }
+ ]
+} \ No newline at end of file
diff --git a/src/ipa/rpi/vc4/data/ov64a40.json b/src/ipa/rpi/vc4/data/ov64a40.json
new file mode 100644
index 00000000..096f0b1e
--- /dev/null
+++ b/src/ipa/rpi/vc4/data/ov64a40.json
@@ -0,0 +1,422 @@
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+ },
+ {
+ "rpi.sharpen": { }
+ },
+ {
+ "rpi.af":
+ {
+ "ranges":
+ {
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+ {
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+ "max": 12.0,
+ "default": 1.0
+ },
+ "macro":
+ {
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+ "max": 15.0,
+ "default": 4.0
+ }
+ },
+ "speeds":
+ {
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+ "step_fine": 0.25,
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+ "pdaf_gain": -0.02,
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+ "pdaf_frames": 0,
+ "dropout_frames": 0,
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+ }
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+ "conf_thresh": 16,
+ "conf_clip": 512,
+ "skip_frames": 5,
+ "map": [ 0.0, 0, 15.0, 1023 ]
+ }
+ }
+ ]
+} \ No newline at end of file
diff --git a/src/ipa/rpi/vc4/data/ov9281_mono.json b/src/ipa/rpi/vc4/data/ov9281_mono.json
new file mode 100644
index 00000000..a9d05a01
--- /dev/null
+++ b/src/ipa/rpi/vc4/data/ov9281_mono.json
@@ -0,0 +1,136 @@
+{
+ "version": 2.0,
+ "target": "bcm2835",
+ "algorithms": [
+ {
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+ {
+ "black_level": 4096
+ }
+ },
+ {
+ "rpi.lux":
+ {
+ "reference_shutter_speed": 2000,
+ "reference_gain": 1.0,
+ "reference_aperture": 1.0,
+ "reference_lux": 800,
+ "reference_Y": 20000
+ }
+ },
+ {
+ "rpi.noise":
+ {
+ "reference_constant": 0,
+ "reference_slope": 2.5
+ }
+ },
+ {
+ "rpi.sdn": { }
+ },
+ {
+ "rpi.agc":
+ {
+ "metering_modes":
+ {
+ "centre-weighted":
+ {
+ "weights":
+ [
+ 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0
+ ]
+ }
+ },
+ "exposure_modes":
+ {
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+ {
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+ "gain": [ 1.0, 2.0, 3.0, 4.0, 8.0 ]
+ },
+ "short":
+ {
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+ "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ]
+ },
+ "long":
+ {
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+ "gain": [ 1.0, 2.0, 4.0, 6.0, 12.0 ]
+ }
+ },
+ "constraint_modes":
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+ ]
+ }
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+ },
+ "y_target":
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+ 1000, 0.165,
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+ ]
+ }
+ },
+ {
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+ {
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+ "luminance_strength": 1.0,
+ "corner_strength": 1.5
+ }
+ },
+ {
+ "rpi.contrast":
+ {
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+ "gamma_curve":
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+ ]
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+ }
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+} \ No newline at end of file
diff --git a/src/ipa/rpi/vc4/data/se327m12.json b/src/ipa/rpi/vc4/data/se327m12.json
new file mode 100644
index 00000000..948169db
--- /dev/null
+++ b/src/ipa/rpi/vc4/data/se327m12.json
@@ -0,0 +1,432 @@
+{
+ "version": 2.0,
+ "target": "bcm2835",
+ "algorithms": [
+ {
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+ }
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+ {
+ "rpi.dpc": { }
+ },
+ {
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+ "reference_aperture": 1.0,
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+ "reference_Y": 12293
+ }
+ },
+ {
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+ }
+ },
+ {
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+ "slope": 0.00539
+ }
+ },
+ {
+ "rpi.sdn": { }
+ },
+ {
+ "rpi.awb":
+ {
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+ "prior":
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+ 3000, 0.0,
+ 13000, 0.0
+ ]
+ },
+ {
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+ "prior":
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+ 6000, 2.0,
+ 13000, 2.0
+ ]
+ },
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+ 6500, 7.0,
+ 7000, 1.0,
+ 13000, 1.0
+ ]
+ }
+ ],
+ "modes":
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+ {
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+ "hi": 8000
+ },
+ "incandescent":
+ {
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+ "hi": 3000
+ },
+ "tungsten":
+ {
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+ "hi": 3500
+ },
+ "fluorescent":
+ {
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+ "hi": 4700
+ },
+ "indoor":
+ {
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+ "hi": 5000
+ },
+ "daylight":
+ {
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+ "hi": 6500
+ },
+ "cloudy":
+ {
+ "lo": 7000,
+ "hi": 8600
+ }
+ },
+ "bayes": 1,
+ "ct_curve":
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+ 3600.0, 0.7876, 0.4651,
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+ ],
+ "sensitivity_r": 1.0,
+ "sensitivity_b": 1.0,
+ "transverse_pos": 0.0162,
+ "transverse_neg": 0.0204
+ }
+ },
+ {
+ "rpi.agc":
+ {
+ "metering_modes":
+ {
+ "centre-weighted":
+ {
+ "weights":
+ [
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+ ]
+ },
+ "spot":
+ {
+ "weights":
+ [
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+ ]
+ },
+ "matrix":
+ {
+ "weights":
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+ ]
+ }
+ },
+ "exposure_modes":
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+ "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ]
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+ "short":
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+ "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ]
+ },
+ "long":
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+ "gain": [ 1.0, 2.0, 4.0, 6.0, 12.0 ]
+ }
+ },
+ "constraint_modes":
+ {
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+ "q_hi": 1.0,
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+ 1000, 0.5
+ ]
+ }
+ ],
+ "highlight": [
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+ "y_target":
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+ 1000, 0.5
+ ]
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+ {
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+ 1.699, 1.672, 1.644, 1.622, 1.606, 1.593, 1.586, 1.581, 1.579, 1.581, 1.583, 1.587, 1.597, 1.611, 1.631, 1.652,
+ 1.697, 1.665, 1.637, 1.617, 1.601, 1.589, 1.584, 1.579, 1.577, 1.578, 1.581, 1.585, 1.597, 1.607, 1.627, 1.652,
+ 1.697, 1.662, 1.634, 1.613, 1.599, 1.591, 1.583, 1.578, 1.576, 1.576, 1.579, 1.586, 1.597, 1.607, 1.628, 1.653,
+ 1.697, 1.662, 1.633, 1.613, 1.598, 1.589, 1.582, 1.578, 1.576, 1.577, 1.582, 1.589, 1.598, 1.611, 1.635, 1.655,
+ 1.701, 1.666, 1.636, 1.616, 1.602, 1.589, 1.583, 1.578, 1.577, 1.581, 1.583, 1.591, 1.601, 1.617, 1.639, 1.659,
+ 1.708, 1.671, 1.641, 1.618, 1.603, 1.591, 1.584, 1.581, 1.578, 1.581, 1.585, 1.594, 1.604, 1.622, 1.646, 1.666,
+ 1.714, 1.681, 1.648, 1.622, 1.608, 1.599, 1.591, 1.584, 1.583, 1.584, 1.589, 1.599, 1.614, 1.629, 1.653, 1.673,
+ 1.719, 1.691, 1.659, 1.631, 1.618, 1.606, 1.596, 1.591, 1.591, 1.593, 1.599, 1.608, 1.623, 1.642, 1.665, 1.681
+ ]
+ }
+ ],
+ "calibrations_Cb": [
+ {
+ "ct": 4000,
+ "table":
+ [
+ 2.253, 2.267, 2.289, 2.317, 2.342, 2.359, 2.373, 2.381, 2.381, 2.378, 2.368, 2.361, 2.344, 2.337, 2.314, 2.301,
+ 2.262, 2.284, 2.314, 2.335, 2.352, 2.371, 2.383, 2.391, 2.393, 2.391, 2.381, 2.368, 2.361, 2.342, 2.322, 2.308,
+ 2.277, 2.303, 2.321, 2.346, 2.364, 2.381, 2.391, 2.395, 2.397, 2.397, 2.395, 2.381, 2.367, 2.354, 2.332, 2.321,
+ 2.277, 2.304, 2.327, 2.349, 2.369, 2.388, 2.393, 2.396, 2.396, 2.398, 2.396, 2.391, 2.376, 2.359, 2.339, 2.328,
+ 2.279, 2.311, 2.327, 2.354, 2.377, 2.389, 2.393, 2.397, 2.397, 2.398, 2.395, 2.393, 2.382, 2.363, 2.344, 2.332,
+ 2.282, 2.311, 2.329, 2.354, 2.377, 2.386, 2.396, 2.396, 2.395, 2.396, 2.397, 2.394, 2.383, 2.367, 2.346, 2.333,
+ 2.283, 2.314, 2.333, 2.353, 2.375, 2.389, 2.394, 2.395, 2.395, 2.395, 2.396, 2.394, 2.386, 2.368, 2.354, 2.336,
+ 2.287, 2.309, 2.331, 2.352, 2.373, 2.386, 2.394, 2.395, 2.395, 2.396, 2.396, 2.394, 2.384, 2.371, 2.354, 2.339,
+ 2.289, 2.307, 2.326, 2.347, 2.369, 2.385, 2.392, 2.397, 2.398, 2.398, 2.397, 2.392, 2.383, 2.367, 2.352, 2.337,
+ 2.286, 2.303, 2.322, 2.342, 2.361, 2.379, 2.389, 2.394, 2.397, 2.398, 2.396, 2.389, 2.381, 2.366, 2.346, 2.332,
+ 2.284, 2.291, 2.312, 2.329, 2.351, 2.372, 2.381, 2.389, 2.393, 2.394, 2.389, 2.385, 2.374, 2.362, 2.338, 2.325,
+ 2.283, 2.288, 2.305, 2.319, 2.339, 2.365, 2.374, 2.381, 2.384, 2.386, 2.385, 2.379, 2.368, 2.342, 2.325, 2.318
+ ]
+ },
+ {
+ "ct": 5000,
+ "table":
+ [
+ 1.897, 1.919, 1.941, 1.969, 1.989, 2.003, 2.014, 2.019, 2.019, 2.017, 2.014, 2.008, 1.999, 1.988, 1.968, 1.944,
+ 1.914, 1.932, 1.957, 1.982, 1.998, 2.014, 2.023, 2.029, 2.031, 2.029, 2.022, 2.014, 2.006, 1.995, 1.976, 1.955,
+ 1.925, 1.951, 1.974, 1.996, 2.013, 2.027, 2.035, 2.039, 2.039, 2.038, 2.035, 2.026, 2.015, 2.002, 1.984, 1.963,
+ 1.932, 1.958, 1.986, 2.007, 2.024, 2.034, 2.041, 2.041, 2.045, 2.045, 2.042, 2.033, 2.023, 2.009, 1.995, 1.971,
+ 1.942, 1.964, 1.994, 2.012, 2.029, 2.038, 2.043, 2.046, 2.047, 2.046, 2.045, 2.039, 2.029, 2.014, 1.997, 1.977,
+ 1.946, 1.974, 1.999, 2.015, 2.031, 2.041, 2.046, 2.047, 2.048, 2.047, 2.044, 2.041, 2.031, 2.019, 1.999, 1.978,
+ 1.948, 1.975, 2.002, 2.018, 2.031, 2.041, 2.046, 2.047, 2.048, 2.048, 2.045, 2.041, 2.029, 2.019, 1.998, 1.978,
+ 1.948, 1.973, 2.002, 2.018, 2.029, 2.042, 2.045, 2.048, 2.048, 2.048, 2.044, 2.037, 2.027, 2.014, 1.993, 1.978,
+ 1.945, 1.969, 1.998, 2.015, 2.028, 2.037, 2.045, 2.046, 2.047, 2.044, 2.039, 2.033, 2.022, 2.008, 1.989, 1.971,
+ 1.939, 1.964, 1.991, 2.011, 2.024, 2.032, 2.036, 2.042, 2.042, 2.039, 2.035, 2.024, 2.012, 1.998, 1.977, 1.964,
+ 1.932, 1.953, 1.981, 2.006, 2.016, 2.024, 2.028, 2.031, 2.034, 2.031, 2.024, 2.015, 2.005, 1.989, 1.966, 1.955,
+ 1.928, 1.944, 1.973, 1.999, 2.007, 2.016, 2.019, 2.025, 2.026, 2.025, 2.017, 2.008, 1.997, 1.975, 1.958, 1.947
+ ]
+ }
+ ],
+ "luminance_lut":
+ [
+ 1.877, 1.597, 1.397, 1.269, 1.191, 1.131, 1.093, 1.078, 1.071, 1.069, 1.086, 1.135, 1.221, 1.331, 1.474, 1.704,
+ 1.749, 1.506, 1.334, 1.229, 1.149, 1.088, 1.058, 1.053, 1.051, 1.046, 1.053, 1.091, 1.163, 1.259, 1.387, 1.587,
+ 1.661, 1.451, 1.295, 1.195, 1.113, 1.061, 1.049, 1.048, 1.047, 1.049, 1.049, 1.066, 1.124, 1.211, 1.333, 1.511,
+ 1.615, 1.411, 1.267, 1.165, 1.086, 1.052, 1.047, 1.047, 1.047, 1.049, 1.052, 1.056, 1.099, 1.181, 1.303, 1.471,
+ 1.576, 1.385, 1.252, 1.144, 1.068, 1.049, 1.044, 1.044, 1.045, 1.049, 1.053, 1.054, 1.083, 1.163, 1.283, 1.447,
+ 1.561, 1.373, 1.245, 1.135, 1.064, 1.049, 1.044, 1.044, 1.044, 1.046, 1.048, 1.054, 1.073, 1.153, 1.271, 1.432,
+ 1.571, 1.377, 1.242, 1.137, 1.066, 1.055, 1.052, 1.051, 1.051, 1.049, 1.047, 1.048, 1.068, 1.148, 1.271, 1.427,
+ 1.582, 1.396, 1.259, 1.156, 1.085, 1.068, 1.059, 1.054, 1.049, 1.045, 1.041, 1.043, 1.074, 1.157, 1.284, 1.444,
+ 1.623, 1.428, 1.283, 1.178, 1.105, 1.074, 1.069, 1.063, 1.056, 1.048, 1.046, 1.051, 1.094, 1.182, 1.311, 1.473,
+ 1.691, 1.471, 1.321, 1.213, 1.135, 1.088, 1.073, 1.069, 1.063, 1.059, 1.053, 1.071, 1.129, 1.222, 1.351, 1.521,
+ 1.808, 1.543, 1.371, 1.253, 1.174, 1.118, 1.085, 1.072, 1.067, 1.064, 1.071, 1.106, 1.176, 1.274, 1.398, 1.582,
+ 1.969, 1.666, 1.447, 1.316, 1.223, 1.166, 1.123, 1.094, 1.089, 1.097, 1.118, 1.163, 1.239, 1.336, 1.471, 1.681
+ ],
+ "sigma": 0.00218,
+ "sigma_Cb": 0.00194
+ }
+ },
+ {
+ "rpi.contrast":
+ {
+ "ce_enable": 1,
+ "gamma_curve":
+ [
+ 0, 0,
+ 1024, 5040,
+ 2048, 9338,
+ 3072, 12356,
+ 4096, 15312,
+ 5120, 18051,
+ 6144, 20790,
+ 7168, 23193,
+ 8192, 25744,
+ 9216, 27942,
+ 10240, 30035,
+ 11264, 32005,
+ 12288, 33975,
+ 13312, 35815,
+ 14336, 37600,
+ 15360, 39168,
+ 16384, 40642,
+ 18432, 43379,
+ 20480, 45749,
+ 22528, 47753,
+ 24576, 49621,
+ 26624, 51253,
+ 28672, 52698,
+ 30720, 53796,
+ 32768, 54876,
+ 36864, 57012,
+ 40960, 58656,
+ 45056, 59954,
+ 49152, 61183,
+ 53248, 62355,
+ 57344, 63419,
+ 61440, 64476,
+ 65535, 65535
+ ]
+ }
+ },
+ {
+ "rpi.ccm":
+ {
+ "ccms": [
+ {
+ "ct": 2900,
+ "ccm":
+ [
+ 1.44924, -0.12935, -0.31989,
+ -0.65839, 1.95441, -0.29602,
+ 0.18344, -1.22282, 2.03938
+ ]
+ },
+ {
+ "ct": 3000,
+ "ccm":
+ [
+ 1.38736, 0.07714, -0.46451,
+ -0.59691, 1.84335, -0.24644,
+ 0.10092, -1.30441, 2.20349
+ ]
+ },
+ {
+ "ct": 3600,
+ "ccm":
+ [
+ 1.51261, -0.27921, -0.23339,
+ -0.55129, 1.83241, -0.28111,
+ 0.11649, -0.93195, 1.81546
+ ]
+ },
+ {
+ "ct": 4600,
+ "ccm":
+ [
+ 1.47082, -0.18523, -0.28559,
+ -0.48923, 1.95126, -0.46203,
+ 0.07951, -0.83987, 1.76036
+ ]
+ },
+ {
+ "ct": 5800,
+ "ccm":
+ [
+ 1.57294, -0.36229, -0.21065,
+ -0.42272, 1.80305, -0.38032,
+ 0.03671, -0.66862, 1.63191
+ ]
+ },
+ {
+ "ct": 8100,
+ "ccm":
+ [
+ 1.58803, -0.09912, -0.48891,
+ -0.42594, 2.22303, -0.79709,
+ -0.00621, -0.90516, 1.91137
+ ]
+ }
+ ]
+ }
+ },
+ {
+ "rpi.sharpen":
+ {
+ "threshold": 2.0,
+ "strength": 0.5,
+ "limit": 0.5
+ }
+ }
+ ]
+} \ No newline at end of file
diff --git a/src/ipa/rpi/vc4/data/uncalibrated.json b/src/ipa/rpi/vc4/data/uncalibrated.json
new file mode 100644
index 00000000..cdc56b32
--- /dev/null
+++ b/src/ipa/rpi/vc4/data/uncalibrated.json
@@ -0,0 +1,131 @@
+{
+ "version": 2.0,
+ "target": "bcm2835",
+ "algorithms": [
+ {
+ "rpi.black_level":
+ {
+ "black_level": 4096
+ }
+ },
+ {
+ "rpi.awb":
+ {
+ "use_derivatives": 0,
+ "bayes": 0
+ }
+ },
+ {
+ "rpi.agc":
+ {
+ "metering_modes":
+ {
+ "centre-weighted":
+ {
+ "weights":
+ [
+ 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0
+ ]
+ }
+ },
+ "exposure_modes":
+ {
+ "normal":
+ {
+ "shutter": [ 100, 15000, 30000, 60000, 120000 ],
+ "gain": [ 1.0, 2.0, 3.0, 4.0, 6.0 ]
+ },
+ "short":
+ {
+ "shutter": [ 100, 5000, 10000, 20000, 30000 ],
+ "gain": [ 1.0, 2.0, 4.0, 6.0, 8.0 ]
+ },
+ "long":
+ {
+ "shutter": [ 1000, 30000, 60000, 90000, 120000 ],
+ "gain": [ 1.0, 2.0, 4.0, 6.0, 12.0 ]
+ }
+ },
+ "constraint_modes":
+ {
+ "normal": [
+ {
+ "bound": "LOWER",
+ "q_lo": 0.98,
+ "q_hi": 1.0,
+ "y_target":
+ [
+ 0, 0.4,
+ 1000, 0.4
+ ]
+ }
+ ]
+ },
+ "y_target":
+ [
+ 0, 0.16,
+ 1000, 0.165,
+ 10000, 0.17
+ ]
+ }
+ },
+ {
+ "rpi.ccm":
+ {
+ "ccms": [
+ {
+ "ct": 4000,
+ "ccm":
+ [
+ 2.0, -1.0, 0.0,
+ -0.5, 2.0, -0.5,
+ 0, -1.0, 2.0
+ ]
+ }
+ ]
+ }
+ },
+ {
+ "rpi.contrast":
+ {
+ "ce_enable": 0,
+ "gamma_curve":
+ [
+ 0, 0,
+ 1024, 5040,
+ 2048, 9338,
+ 3072, 12356,
+ 4096, 15312,
+ 5120, 18051,
+ 6144, 20790,
+ 7168, 23193,
+ 8192, 25744,
+ 9216, 27942,
+ 10240, 30035,
+ 11264, 32005,
+ 12288, 33975,
+ 13312, 35815,
+ 14336, 37600,
+ 15360, 39168,
+ 16384, 40642,
+ 18432, 43379,
+ 20480, 45749,
+ 22528, 47753,
+ 24576, 49621,
+ 26624, 51253,
+ 28672, 52698,
+ 30720, 53796,
+ 32768, 54876,
+ 36864, 57012,
+ 40960, 58656,
+ 45056, 59954,
+ 49152, 61183,
+ 53248, 62355,
+ 57344, 63419,
+ 61440, 64476,
+ 65535, 65535
+ ]
+ }
+ }
+ ]
+} \ No newline at end of file
diff --git a/src/ipa/rpi/vc4/meson.build b/src/ipa/rpi/vc4/meson.build
new file mode 100644
index 00000000..590e9197
--- /dev/null
+++ b/src/ipa/rpi/vc4/meson.build
@@ -0,0 +1,48 @@
+# SPDX-License-Identifier: CC0-1.0
+
+ipa_name = 'ipa_rpi_vc4'
+
+vc4_ipa_deps = [
+ libcamera_private,
+ libatomic,
+]
+
+vc4_ipa_libs = [
+ rpi_ipa_cam_helper_lib,
+ rpi_ipa_common_lib,
+ rpi_ipa_controller_lib
+]
+
+vc4_ipa_includes = [
+ ipa_includes,
+ libipa_includes,
+]
+
+vc4_ipa_sources = files([
+ 'vc4.cpp',
+])
+
+vc4_ipa_includes += include_directories('..')
+
+mod = shared_module(ipa_name,
+ [vc4_ipa_sources, libcamera_generated_ipa_headers],
+ name_prefix : '',
+ include_directories : vc4_ipa_includes,
+ dependencies : vc4_ipa_deps,
+ link_with : libipa,
+ link_whole : vc4_ipa_libs,
+ install : true,
+ install_dir : ipa_install_dir)
+
+if ipa_sign_module
+ custom_target(ipa_name + '.so.sign',
+ input : mod,
+ output : ipa_name + '.so.sign',
+ command : [ipa_sign, ipa_priv_key, '@INPUT@', '@OUTPUT@'],
+ install : false,
+ build_by_default : true)
+endif
+
+subdir('data')
+
+ipa_names += ipa_name
diff --git a/src/ipa/rpi/vc4/vc4.cpp b/src/ipa/rpi/vc4/vc4.cpp
new file mode 100644
index 00000000..ba43e474
--- /dev/null
+++ b/src/ipa/rpi/vc4/vc4.cpp
@@ -0,0 +1,597 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019-2021, Raspberry Pi Ltd
+ *
+ * Raspberry Pi VC4/BCM2835 ISP IPA.
+ */
+
+#include <string.h>
+#include <sys/mman.h>
+
+#include <linux/bcm2835-isp.h>
+
+#include <libcamera/base/log.h>
+#include <libcamera/base/span.h>
+#include <libcamera/control_ids.h>
+#include <libcamera/ipa/ipa_module_info.h>
+
+#include "common/ipa_base.h"
+#include "controller/af_status.h"
+#include "controller/agc_algorithm.h"
+#include "controller/alsc_status.h"
+#include "controller/awb_status.h"
+#include "controller/black_level_status.h"
+#include "controller/ccm_status.h"
+#include "controller/contrast_status.h"
+#include "controller/denoise_algorithm.h"
+#include "controller/denoise_status.h"
+#include "controller/dpc_status.h"
+#include "controller/geq_status.h"
+#include "controller/lux_status.h"
+#include "controller/noise_status.h"
+#include "controller/sharpen_status.h"
+
+namespace libcamera {
+
+LOG_DECLARE_CATEGORY(IPARPI)
+
+namespace ipa::RPi {
+
+class IpaVc4 final : public IpaBase
+{
+public:
+ IpaVc4()
+ : IpaBase(), lsTable_(nullptr)
+ {
+ }
+
+ ~IpaVc4()
+ {
+ if (lsTable_)
+ munmap(lsTable_, MaxLsGridSize);
+ }
+
+private:
+ int32_t platformInit(const InitParams &params, InitResult *result) override;
+ int32_t platformStart(const ControlList &controls, StartResult *result) override;
+ int32_t platformConfigure(const ConfigParams &params, ConfigResult *result) override;
+
+ void platformPrepareIsp(const PrepareParams &params, RPiController::Metadata &rpiMetadata) override;
+ RPiController::StatisticsPtr platformProcessStats(Span<uint8_t> mem) override;
+
+ void handleControls(const ControlList &controls) override;
+ bool validateIspControls();
+
+ void applyAWB(const struct AwbStatus *awbStatus, ControlList &ctrls);
+ void applyDG(const struct AgcPrepareStatus *dgStatus, ControlList &ctrls);
+ void applyCCM(const struct CcmStatus *ccmStatus, ControlList &ctrls);
+ void applyBlackLevel(const struct BlackLevelStatus *blackLevelStatus, ControlList &ctrls);
+ void applyGamma(const struct ContrastStatus *contrastStatus, ControlList &ctrls);
+ void applyGEQ(const struct GeqStatus *geqStatus, ControlList &ctrls);
+ void applyDenoise(const struct DenoiseStatus *denoiseStatus, ControlList &ctrls);
+ void applySharpen(const struct SharpenStatus *sharpenStatus, ControlList &ctrls);
+ void applyDPC(const struct DpcStatus *dpcStatus, ControlList &ctrls);
+ void applyLS(const struct AlscStatus *lsStatus, ControlList &ctrls);
+ void applyAF(const struct AfStatus *afStatus, ControlList &lensCtrls);
+ void resampleTable(uint16_t dest[], const std::vector<double> &src, int destW, int destH);
+
+ /* VC4 ISP controls. */
+ ControlInfoMap ispCtrls_;
+
+ /* LS table allocation passed in from the pipeline handler. */
+ SharedFD lsTableHandle_;
+ void *lsTable_;
+};
+
+int32_t IpaVc4::platformInit([[maybe_unused]] const InitParams &params, [[maybe_unused]] InitResult *result)
+{
+ const std::string &target = controller_.getTarget();
+
+ if (target != "bcm2835") {
+ LOG(IPARPI, Error)
+ << "Tuning data file target returned \"" << target << "\""
+ << ", expected \"bcm2835\"";
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+int32_t IpaVc4::platformStart([[maybe_unused]] const ControlList &controls,
+ [[maybe_unused]] StartResult *result)
+{
+ return 0;
+}
+
+int32_t IpaVc4::platformConfigure(const ConfigParams &params, [[maybe_unused]] ConfigResult *result)
+{
+ ispCtrls_ = params.ispControls;
+ if (!validateIspControls()) {
+ LOG(IPARPI, Error) << "ISP control validation failed.";
+ return -1;
+ }
+
+ /* Store the lens shading table pointer and handle if available. */
+ if (params.lsTableHandle.isValid()) {
+ /* Remove any previous table, if there was one. */
+ if (lsTable_) {
+ munmap(lsTable_, MaxLsGridSize);
+ lsTable_ = nullptr;
+ }
+
+ /* Map the LS table buffer into user space. */
+ lsTableHandle_ = std::move(params.lsTableHandle);
+ if (lsTableHandle_.isValid()) {
+ lsTable_ = mmap(nullptr, MaxLsGridSize, PROT_READ | PROT_WRITE,
+ MAP_SHARED, lsTableHandle_.get(), 0);
+
+ if (lsTable_ == MAP_FAILED) {
+ LOG(IPARPI, Error) << "dmaHeap mmap failure for LS table.";
+ lsTable_ = nullptr;
+ }
+ }
+ }
+
+ return 0;
+}
+
+void IpaVc4::platformPrepareIsp([[maybe_unused]] const PrepareParams &params,
+ RPiController::Metadata &rpiMetadata)
+{
+ ControlList ctrls(ispCtrls_);
+
+ /* Lock the metadata buffer to avoid constant locks/unlocks. */
+ std::unique_lock<RPiController::Metadata> lock(rpiMetadata);
+
+ AwbStatus *awbStatus = rpiMetadata.getLocked<AwbStatus>("awb.status");
+ if (awbStatus)
+ applyAWB(awbStatus, ctrls);
+
+ CcmStatus *ccmStatus = rpiMetadata.getLocked<CcmStatus>("ccm.status");
+ if (ccmStatus)
+ applyCCM(ccmStatus, ctrls);
+
+ AgcPrepareStatus *dgStatus = rpiMetadata.getLocked<AgcPrepareStatus>("agc.prepare_status");
+ if (dgStatus)
+ applyDG(dgStatus, ctrls);
+
+ AlscStatus *lsStatus = rpiMetadata.getLocked<AlscStatus>("alsc.status");
+ if (lsStatus)
+ applyLS(lsStatus, ctrls);
+
+ ContrastStatus *contrastStatus = rpiMetadata.getLocked<ContrastStatus>("contrast.status");
+ if (contrastStatus)
+ applyGamma(contrastStatus, ctrls);
+
+ BlackLevelStatus *blackLevelStatus = rpiMetadata.getLocked<BlackLevelStatus>("black_level.status");
+ if (blackLevelStatus)
+ applyBlackLevel(blackLevelStatus, ctrls);
+
+ GeqStatus *geqStatus = rpiMetadata.getLocked<GeqStatus>("geq.status");
+ if (geqStatus)
+ applyGEQ(geqStatus, ctrls);
+
+ DenoiseStatus *denoiseStatus = rpiMetadata.getLocked<DenoiseStatus>("denoise.status");
+ if (denoiseStatus)
+ applyDenoise(denoiseStatus, ctrls);
+
+ SharpenStatus *sharpenStatus = rpiMetadata.getLocked<SharpenStatus>("sharpen.status");
+ if (sharpenStatus)
+ applySharpen(sharpenStatus, ctrls);
+
+ DpcStatus *dpcStatus = rpiMetadata.getLocked<DpcStatus>("dpc.status");
+ if (dpcStatus)
+ applyDPC(dpcStatus, ctrls);
+
+ const AfStatus *afStatus = rpiMetadata.getLocked<AfStatus>("af.status");
+ if (afStatus) {
+ ControlList lensctrls(lensCtrls_);
+ applyAF(afStatus, lensctrls);
+ if (!lensctrls.empty())
+ setLensControls.emit(lensctrls);
+ }
+
+ if (!ctrls.empty())
+ setIspControls.emit(ctrls);
+}
+
+RPiController::StatisticsPtr IpaVc4::platformProcessStats(Span<uint8_t> mem)
+{
+ using namespace RPiController;
+
+ const bcm2835_isp_stats *stats = reinterpret_cast<bcm2835_isp_stats *>(mem.data());
+ StatisticsPtr statistics = std::make_shared<Statistics>(Statistics::AgcStatsPos::PreWb,
+ Statistics::ColourStatsPos::PostLsc);
+ const Controller::HardwareConfig &hw = controller_.getHardwareConfig();
+ unsigned int i;
+
+ /* RGB histograms are not used, so do not populate them. */
+ statistics->yHist = RPiController::Histogram(stats->hist[0].g_hist,
+ hw.numHistogramBins);
+
+ /* All region sums are based on a 16-bit normalised pipeline bit-depth. */
+ unsigned int scale = Statistics::NormalisationFactorPow2 - hw.pipelineWidth;
+
+ statistics->awbRegions.init(hw.awbRegions);
+ for (i = 0; i < statistics->awbRegions.numRegions(); i++)
+ statistics->awbRegions.set(i, { { stats->awb_stats[i].r_sum << scale,
+ stats->awb_stats[i].g_sum << scale,
+ stats->awb_stats[i].b_sum << scale },
+ stats->awb_stats[i].counted,
+ stats->awb_stats[i].notcounted });
+
+ RPiController::AgcAlgorithm *agc = dynamic_cast<RPiController::AgcAlgorithm *>(
+ controller_.getAlgorithm("agc"));
+ if (!agc) {
+ LOG(IPARPI, Debug) << "No AGC algorithm - not copying statistics";
+ statistics->agcRegions.init(0);
+ } else {
+ statistics->agcRegions.init(hw.agcRegions);
+ const std::vector<double> &weights = agc->getWeights();
+ for (i = 0; i < statistics->agcRegions.numRegions(); i++) {
+ uint64_t rSum = (stats->agc_stats[i].r_sum << scale) * weights[i];
+ uint64_t gSum = (stats->agc_stats[i].g_sum << scale) * weights[i];
+ uint64_t bSum = (stats->agc_stats[i].b_sum << scale) * weights[i];
+ uint32_t counted = stats->agc_stats[i].counted * weights[i];
+ uint32_t notcounted = stats->agc_stats[i].notcounted * weights[i];
+ statistics->agcRegions.set(i, { { rSum, gSum, bSum },
+ counted,
+ notcounted });
+ }
+ }
+
+ statistics->focusRegions.init(hw.focusRegions);
+ for (i = 0; i < statistics->focusRegions.numRegions(); i++)
+ statistics->focusRegions.set(i, { stats->focus_stats[i].contrast_val[1][1] / 1000,
+ stats->focus_stats[i].contrast_val_num[1][1],
+ stats->focus_stats[i].contrast_val_num[1][0] });
+
+ if (statsMetadataOutput_) {
+ Span<const uint8_t> statsSpan(reinterpret_cast<const uint8_t *>(stats),
+ sizeof(bcm2835_isp_stats));
+ libcameraMetadata_.set(controls::rpi::Bcm2835StatsOutput, statsSpan);
+ }
+
+ return statistics;
+}
+
+void IpaVc4::handleControls(const ControlList &controls)
+{
+ static const std::map<int32_t, RPiController::DenoiseMode> DenoiseModeTable = {
+ { controls::draft::NoiseReductionModeOff, RPiController::DenoiseMode::Off },
+ { controls::draft::NoiseReductionModeFast, RPiController::DenoiseMode::ColourFast },
+ { controls::draft::NoiseReductionModeHighQuality, RPiController::DenoiseMode::ColourHighQuality },
+ { controls::draft::NoiseReductionModeMinimal, RPiController::DenoiseMode::ColourOff },
+ { controls::draft::NoiseReductionModeZSL, RPiController::DenoiseMode::ColourHighQuality },
+ };
+
+ for (auto const &ctrl : controls) {
+ switch (ctrl.first) {
+ case controls::draft::NOISE_REDUCTION_MODE: {
+ RPiController::DenoiseAlgorithm *sdn = dynamic_cast<RPiController::DenoiseAlgorithm *>(
+ controller_.getAlgorithm("SDN"));
+ /* Some platforms may have a combined "denoise" algorithm instead. */
+ if (!sdn)
+ sdn = dynamic_cast<RPiController::DenoiseAlgorithm *>(
+ controller_.getAlgorithm("denoise"));
+ if (!sdn) {
+ LOG(IPARPI, Warning)
+ << "Could not set NOISE_REDUCTION_MODE - no SDN algorithm";
+ return;
+ }
+
+ int32_t idx = ctrl.second.get<int32_t>();
+ auto mode = DenoiseModeTable.find(idx);
+ if (mode != DenoiseModeTable.end())
+ sdn->setMode(mode->second);
+ break;
+ }
+ }
+ }
+}
+
+bool IpaVc4::validateIspControls()
+{
+ static const uint32_t ctrls[] = {
+ V4L2_CID_RED_BALANCE,
+ V4L2_CID_BLUE_BALANCE,
+ V4L2_CID_DIGITAL_GAIN,
+ V4L2_CID_USER_BCM2835_ISP_CC_MATRIX,
+ V4L2_CID_USER_BCM2835_ISP_GAMMA,
+ V4L2_CID_USER_BCM2835_ISP_BLACK_LEVEL,
+ V4L2_CID_USER_BCM2835_ISP_GEQ,
+ V4L2_CID_USER_BCM2835_ISP_DENOISE,
+ V4L2_CID_USER_BCM2835_ISP_SHARPEN,
+ V4L2_CID_USER_BCM2835_ISP_DPC,
+ V4L2_CID_USER_BCM2835_ISP_LENS_SHADING,
+ V4L2_CID_USER_BCM2835_ISP_CDN,
+ };
+
+ for (auto c : ctrls) {
+ if (ispCtrls_.find(c) == ispCtrls_.end()) {
+ LOG(IPARPI, Error) << "Unable to find ISP control "
+ << utils::hex(c);
+ return false;
+ }
+ }
+
+ return true;
+}
+
+void IpaVc4::applyAWB(const struct AwbStatus *awbStatus, ControlList &ctrls)
+{
+ LOG(IPARPI, Debug) << "Applying WB R: " << awbStatus->gainR << " B: "
+ << awbStatus->gainB;
+
+ ctrls.set(V4L2_CID_RED_BALANCE,
+ static_cast<int32_t>(awbStatus->gainR * 1000));
+ ctrls.set(V4L2_CID_BLUE_BALANCE,
+ static_cast<int32_t>(awbStatus->gainB * 1000));
+}
+
+void IpaVc4::applyDG(const struct AgcPrepareStatus *dgStatus, ControlList &ctrls)
+{
+ ctrls.set(V4L2_CID_DIGITAL_GAIN,
+ static_cast<int32_t>(dgStatus->digitalGain * 1000));
+}
+
+void IpaVc4::applyCCM(const struct CcmStatus *ccmStatus, ControlList &ctrls)
+{
+ bcm2835_isp_custom_ccm ccm;
+
+ for (int i = 0; i < 9; i++) {
+ ccm.ccm.ccm[i / 3][i % 3].den = 1000;
+ ccm.ccm.ccm[i / 3][i % 3].num = 1000 * ccmStatus->matrix[i];
+ }
+
+ ccm.enabled = 1;
+ ccm.ccm.offsets[0] = ccm.ccm.offsets[1] = ccm.ccm.offsets[2] = 0;
+
+ ControlValue c(Span<const uint8_t>{ reinterpret_cast<uint8_t *>(&ccm),
+ sizeof(ccm) });
+ ctrls.set(V4L2_CID_USER_BCM2835_ISP_CC_MATRIX, c);
+}
+
+void IpaVc4::applyBlackLevel(const struct BlackLevelStatus *blackLevelStatus, ControlList &ctrls)
+{
+ bcm2835_isp_black_level blackLevel;
+
+ blackLevel.enabled = 1;
+ blackLevel.black_level_r = blackLevelStatus->blackLevelR;
+ blackLevel.black_level_g = blackLevelStatus->blackLevelG;
+ blackLevel.black_level_b = blackLevelStatus->blackLevelB;
+
+ ControlValue c(Span<const uint8_t>{ reinterpret_cast<uint8_t *>(&blackLevel),
+ sizeof(blackLevel) });
+ ctrls.set(V4L2_CID_USER_BCM2835_ISP_BLACK_LEVEL, c);
+}
+
+void IpaVc4::applyGamma(const struct ContrastStatus *contrastStatus, ControlList &ctrls)
+{
+ const unsigned int numGammaPoints = controller_.getHardwareConfig().numGammaPoints;
+ struct bcm2835_isp_gamma gamma;
+
+ for (unsigned int i = 0; i < numGammaPoints - 1; i++) {
+ int x = i < 16 ? i * 1024
+ : (i < 24 ? (i - 16) * 2048 + 16384
+ : (i - 24) * 4096 + 32768);
+ gamma.x[i] = x;
+ gamma.y[i] = std::min<uint16_t>(65535, contrastStatus->gammaCurve.eval(x));
+ }
+
+ gamma.x[numGammaPoints - 1] = 65535;
+ gamma.y[numGammaPoints - 1] = 65535;
+ gamma.enabled = 1;
+
+ ControlValue c(Span<const uint8_t>{ reinterpret_cast<uint8_t *>(&gamma),
+ sizeof(gamma) });
+ ctrls.set(V4L2_CID_USER_BCM2835_ISP_GAMMA, c);
+}
+
+void IpaVc4::applyGEQ(const struct GeqStatus *geqStatus, ControlList &ctrls)
+{
+ bcm2835_isp_geq geq;
+
+ geq.enabled = 1;
+ geq.offset = geqStatus->offset;
+ geq.slope.den = 1000;
+ geq.slope.num = 1000 * geqStatus->slope;
+
+ ControlValue c(Span<const uint8_t>{ reinterpret_cast<uint8_t *>(&geq),
+ sizeof(geq) });
+ ctrls.set(V4L2_CID_USER_BCM2835_ISP_GEQ, c);
+}
+
+void IpaVc4::applyDenoise(const struct DenoiseStatus *denoiseStatus, ControlList &ctrls)
+{
+ using RPiController::DenoiseMode;
+
+ bcm2835_isp_denoise denoise;
+ DenoiseMode mode = static_cast<DenoiseMode>(denoiseStatus->mode);
+
+ denoise.enabled = mode != DenoiseMode::Off;
+ denoise.constant = denoiseStatus->noiseConstant;
+ denoise.slope.num = 1000 * denoiseStatus->noiseSlope;
+ denoise.slope.den = 1000;
+ denoise.strength.num = 1000 * denoiseStatus->strength;
+ denoise.strength.den = 1000;
+
+ /* Set the CDN mode to match the SDN operating mode. */
+ bcm2835_isp_cdn cdn;
+ switch (mode) {
+ case DenoiseMode::ColourFast:
+ cdn.enabled = 1;
+ cdn.mode = CDN_MODE_FAST;
+ break;
+ case DenoiseMode::ColourHighQuality:
+ cdn.enabled = 1;
+ cdn.mode = CDN_MODE_HIGH_QUALITY;
+ break;
+ default:
+ cdn.enabled = 0;
+ }
+
+ ControlValue c(Span<const uint8_t>{ reinterpret_cast<uint8_t *>(&denoise),
+ sizeof(denoise) });
+ ctrls.set(V4L2_CID_USER_BCM2835_ISP_DENOISE, c);
+
+ c = ControlValue(Span<const uint8_t>{ reinterpret_cast<uint8_t *>(&cdn),
+ sizeof(cdn) });
+ ctrls.set(V4L2_CID_USER_BCM2835_ISP_CDN, c);
+}
+
+void IpaVc4::applySharpen(const struct SharpenStatus *sharpenStatus, ControlList &ctrls)
+{
+ bcm2835_isp_sharpen sharpen;
+
+ sharpen.enabled = 1;
+ sharpen.threshold.num = 1000 * sharpenStatus->threshold;
+ sharpen.threshold.den = 1000;
+ sharpen.strength.num = 1000 * sharpenStatus->strength;
+ sharpen.strength.den = 1000;
+ sharpen.limit.num = 1000 * sharpenStatus->limit;
+ sharpen.limit.den = 1000;
+
+ ControlValue c(Span<const uint8_t>{ reinterpret_cast<uint8_t *>(&sharpen),
+ sizeof(sharpen) });
+ ctrls.set(V4L2_CID_USER_BCM2835_ISP_SHARPEN, c);
+}
+
+void IpaVc4::applyDPC(const struct DpcStatus *dpcStatus, ControlList &ctrls)
+{
+ bcm2835_isp_dpc dpc;
+
+ dpc.enabled = 1;
+ dpc.strength = dpcStatus->strength;
+
+ ControlValue c(Span<const uint8_t>{ reinterpret_cast<uint8_t *>(&dpc),
+ sizeof(dpc) });
+ ctrls.set(V4L2_CID_USER_BCM2835_ISP_DPC, c);
+}
+
+void IpaVc4::applyLS(const struct AlscStatus *lsStatus, ControlList &ctrls)
+{
+ /*
+ * Program lens shading tables into pipeline.
+ * Choose smallest cell size that won't exceed 63x48 cells.
+ */
+ const int cellSizes[] = { 16, 32, 64, 128, 256 };
+ unsigned int numCells = std::size(cellSizes);
+ unsigned int i, w, h, cellSize;
+ for (i = 0; i < numCells; i++) {
+ cellSize = cellSizes[i];
+ w = (mode_.width + cellSize - 1) / cellSize;
+ h = (mode_.height + cellSize - 1) / cellSize;
+ if (w < 64 && h <= 48)
+ break;
+ }
+
+ if (i == numCells) {
+ LOG(IPARPI, Error) << "Cannot find cell size";
+ return;
+ }
+
+ /* We're going to supply corner sampled tables, 16 bit samples. */
+ w++, h++;
+ bcm2835_isp_lens_shading ls = {
+ .enabled = 1,
+ .grid_cell_size = cellSize,
+ .grid_width = w,
+ .grid_stride = w,
+ .grid_height = h,
+ /* .dmabuf will be filled in by pipeline handler. */
+ .dmabuf = 0,
+ .ref_transform = 0,
+ .corner_sampled = 1,
+ .gain_format = GAIN_FORMAT_U4P10
+ };
+
+ if (!lsTable_ || w * h * 4 * sizeof(uint16_t) > MaxLsGridSize) {
+ LOG(IPARPI, Error) << "Do not have a correctly allocate lens shading table!";
+ return;
+ }
+
+ if (lsStatus) {
+ /* Format will be u4.10 */
+ uint16_t *grid = static_cast<uint16_t *>(lsTable_);
+
+ resampleTable(grid, lsStatus->r, w, h);
+ resampleTable(grid + w * h, lsStatus->g, w, h);
+ memcpy(grid + 2 * w * h, grid + w * h, w * h * sizeof(uint16_t));
+ resampleTable(grid + 3 * w * h, lsStatus->b, w, h);
+ }
+
+ ControlValue c(Span<const uint8_t>{ reinterpret_cast<uint8_t *>(&ls),
+ sizeof(ls) });
+ ctrls.set(V4L2_CID_USER_BCM2835_ISP_LENS_SHADING, c);
+}
+
+void IpaVc4::applyAF(const struct AfStatus *afStatus, ControlList &lensCtrls)
+{
+ if (afStatus->lensSetting) {
+ ControlValue v(afStatus->lensSetting.value());
+ lensCtrls.set(V4L2_CID_FOCUS_ABSOLUTE, v);
+ }
+}
+
+/*
+ * Resamples a 16x12 table with central sampling to destW x destH with corner
+ * sampling.
+ */
+void IpaVc4::resampleTable(uint16_t dest[], const std::vector<double> &src,
+ int destW, int destH)
+{
+ /*
+ * Precalculate and cache the x sampling locations and phases to
+ * save recomputing them on every row.
+ */
+ assert(destW > 1 && destH > 1 && destW <= 64);
+ int xLo[64], xHi[64];
+ double xf[64];
+ double x = -0.5, xInc = 16.0 / (destW - 1);
+ for (int i = 0; i < destW; i++, x += xInc) {
+ xLo[i] = floor(x);
+ xf[i] = x - xLo[i];
+ xHi[i] = xLo[i] < 15 ? xLo[i] + 1 : 15;
+ xLo[i] = xLo[i] > 0 ? xLo[i] : 0;
+ }
+
+ /* Now march over the output table generating the new values. */
+ double y = -0.5, yInc = 12.0 / (destH - 1);
+ for (int j = 0; j < destH; j++, y += yInc) {
+ int yLo = floor(y);
+ double yf = y - yLo;
+ int yHi = yLo < 11 ? yLo + 1 : 11;
+ yLo = yLo > 0 ? yLo : 0;
+ double const *rowAbove = src.data() + yLo * 16;
+ double const *rowBelow = src.data() + yHi * 16;
+ for (int i = 0; i < destW; i++) {
+ double above = rowAbove[xLo[i]] * (1 - xf[i]) + rowAbove[xHi[i]] * xf[i];
+ double below = rowBelow[xLo[i]] * (1 - xf[i]) + rowBelow[xHi[i]] * xf[i];
+ int result = floor(1024 * (above * (1 - yf) + below * yf) + .5);
+ *(dest++) = result > 16383 ? 16383 : result; /* want u4.10 */
+ }
+ }
+}
+
+} /* namespace ipa::RPi */
+
+/*
+ * External IPA module interface
+ */
+extern "C" {
+const struct IPAModuleInfo ipaModuleInfo = {
+ IPA_MODULE_API_VERSION,
+ 1,
+ "rpi/vc4",
+ "rpi/vc4",
+};
+
+IPAInterface *ipaCreate()
+{
+ return new ipa::RPi::IpaVc4();
+}
+
+} /* extern "C" */
+
+} /* namespace libcamera */
diff --git a/src/ipa/simple/black_level.cpp b/src/ipa/simple/black_level.cpp
new file mode 100644
index 00000000..53b4c040
--- /dev/null
+++ b/src/ipa/simple/black_level.cpp
@@ -0,0 +1,88 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2024, Red Hat Inc.
+ *
+ * black level handling
+ */
+
+#include "black_level.h"
+
+#include <numeric>
+
+#include <libcamera/base/log.h>
+
+namespace libcamera {
+
+LOG_DEFINE_CATEGORY(IPASoftBL)
+
+/**
+ * \class BlackLevel
+ * \brief Object providing black point level for software ISP
+ *
+ * Black level can be provided in hardware tuning files or, if no tuning file is
+ * available for the given hardware, guessed automatically, with less accuracy.
+ * As tuning files are not yet implemented for software ISP, BlackLevel
+ * currently provides only guessed black levels.
+ *
+ * This class serves for tracking black level as a property of the underlying
+ * hardware, not as means of enhancing a particular scene or image.
+ *
+ * The class is supposed to be instantiated for the given camera stream.
+ * The black level can be retrieved using BlackLevel::get() method. It is
+ * initially 0 and may change when updated using BlackLevel::update() method.
+ */
+
+BlackLevel::BlackLevel()
+ : blackLevel_(255), blackLevelSet_(false)
+{
+}
+
+/**
+ * \brief Return the current black level
+ *
+ * \return The black level, in the range from 0 (minimum) to 255 (maximum).
+ * If the black level couldn't be determined yet, return 0.
+ */
+unsigned int BlackLevel::get() const
+{
+ return blackLevelSet_ ? blackLevel_ : 0;
+}
+
+/**
+ * \brief Update black level from the provided histogram
+ * \param[in] yHistogram The histogram to be used for updating black level
+ *
+ * The black level is property of the given hardware, not image. It is updated
+ * only if it has not been yet set or if it is lower than the lowest value seen
+ * so far.
+ */
+void BlackLevel::update(SwIspStats::Histogram &yHistogram)
+{
+ /*
+ * The constant is selected to be "good enough", not overly conservative or
+ * aggressive. There is no magic about the given value.
+ */
+ constexpr float ignoredPercentage_ = 0.02;
+ const unsigned int total =
+ std::accumulate(begin(yHistogram), end(yHistogram), 0);
+ const unsigned int pixelThreshold = ignoredPercentage_ * total;
+ const unsigned int histogramRatio = 256 / SwIspStats::kYHistogramSize;
+ const unsigned int currentBlackIdx = blackLevel_ / histogramRatio;
+
+ for (unsigned int i = 0, seen = 0;
+ i < currentBlackIdx && i < SwIspStats::kYHistogramSize;
+ i++) {
+ seen += yHistogram[i];
+ if (seen >= pixelThreshold) {
+ blackLevel_ = i * histogramRatio;
+ blackLevelSet_ = true;
+ LOG(IPASoftBL, Debug)
+ << "Auto-set black level: "
+ << i << "/" << SwIspStats::kYHistogramSize
+ << " (" << 100 * (seen - yHistogram[i]) / total << "% below, "
+ << 100 * seen / total << "% at or below)";
+ break;
+ }
+ };
+}
+} /* namespace libcamera */
diff --git a/src/ipa/simple/black_level.h b/src/ipa/simple/black_level.h
new file mode 100644
index 00000000..25094217
--- /dev/null
+++ b/src/ipa/simple/black_level.h
@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2024, Red Hat Inc.
+ *
+ * black level handling
+ */
+
+#pragma once
+
+#include <array>
+
+#include "libcamera/internal/software_isp/swisp_stats.h"
+
+namespace libcamera {
+
+class BlackLevel
+{
+public:
+ BlackLevel();
+ unsigned int get() const;
+ void update(SwIspStats::Histogram &yHistogram);
+
+private:
+ unsigned int blackLevel_;
+ bool blackLevelSet_;
+};
+
+} /* namespace libcamera */
diff --git a/src/ipa/simple/data/meson.build b/src/ipa/simple/data/meson.build
new file mode 100644
index 00000000..92795ee4
--- /dev/null
+++ b/src/ipa/simple/data/meson.build
@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: CC0-1.0
+
+conf_files = files([
+ 'uncalibrated.yaml',
+])
+
+# The install_dir must match the name from the IPAModuleInfo
+install_data(conf_files,
+ install_dir : ipa_data_dir / 'simple',
+ install_tag : 'runtime')
diff --git a/src/ipa/simple/data/uncalibrated.yaml b/src/ipa/simple/data/uncalibrated.yaml
new file mode 100644
index 00000000..ff981a1a
--- /dev/null
+++ b/src/ipa/simple/data/uncalibrated.yaml
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: CC0-1.0
+%YAML 1.1
+---
+version: 1
+...
diff --git a/src/ipa/simple/meson.build b/src/ipa/simple/meson.build
new file mode 100644
index 00000000..44b5f1d7
--- /dev/null
+++ b/src/ipa/simple/meson.build
@@ -0,0 +1,30 @@
+# SPDX-License-Identifier: CC0-1.0
+
+ipa_name = 'ipa_soft_simple'
+
+soft_simple_sources = files([
+ 'soft_simple.cpp',
+ 'black_level.cpp',
+])
+
+mod = shared_module(ipa_name,
+ [soft_simple_sources, libcamera_generated_ipa_headers],
+ name_prefix : '',
+ include_directories : [ipa_includes, libipa_includes],
+ dependencies : libcamera_private,
+ link_with : libipa,
+ install : true,
+ install_dir : ipa_install_dir)
+
+if ipa_sign_module
+ custom_target(ipa_name + '.so.sign',
+ input : mod,
+ output : ipa_name + '.so.sign',
+ command : [ipa_sign, ipa_priv_key, '@INPUT@', '@OUTPUT@'],
+ install : false,
+ build_by_default : true)
+endif
+
+subdir('data')
+
+ipa_names += ipa_name
diff --git a/src/ipa/simple/soft_simple.cpp b/src/ipa/simple/soft_simple.cpp
new file mode 100644
index 00000000..a5bb2bbf
--- /dev/null
+++ b/src/ipa/simple/soft_simple.cpp
@@ -0,0 +1,403 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2023, Linaro Ltd
+ *
+ * Simple Software Image Processing Algorithm module
+ */
+
+#include <sys/mman.h>
+
+#include <linux/v4l2-controls.h>
+
+#include <libcamera/base/file.h>
+#include <libcamera/base/log.h>
+#include <libcamera/base/shared_fd.h>
+
+#include <libcamera/control_ids.h>
+#include <libcamera/controls.h>
+
+#include <libcamera/ipa/ipa_interface.h>
+#include <libcamera/ipa/ipa_module_info.h>
+#include <libcamera/ipa/soft_ipa_interface.h>
+
+#include "libcamera/internal/software_isp/debayer_params.h"
+#include "libcamera/internal/software_isp/swisp_stats.h"
+#include "libcamera/internal/yaml_parser.h"
+
+#include "libipa/camera_sensor_helper.h"
+
+#include "black_level.h"
+
+namespace libcamera {
+LOG_DEFINE_CATEGORY(IPASoft)
+
+namespace ipa::soft {
+
+/*
+ * The number of bins to use for the optimal exposure calculations.
+ */
+static constexpr unsigned int kExposureBinsCount = 5;
+
+/*
+ * The exposure is optimal when the mean sample value of the histogram is
+ * in the middle of the range.
+ */
+static constexpr float kExposureOptimal = kExposureBinsCount / 2.0;
+
+/*
+ * The below value implements the hysteresis for the exposure adjustment.
+ * It is small enough to have the exposure close to the optimal, and is big
+ * enough to prevent the exposure from wobbling around the optimal value.
+ */
+static constexpr float kExposureSatisfactory = 0.2;
+
+class IPASoftSimple : public ipa::soft::IPASoftInterface
+{
+public:
+ IPASoftSimple()
+ : params_(nullptr), stats_(nullptr), blackLevel_(BlackLevel()),
+ ignoreUpdates_(0)
+ {
+ }
+
+ ~IPASoftSimple();
+
+ int init(const IPASettings &settings,
+ const SharedFD &fdStats,
+ const SharedFD &fdParams,
+ const ControlInfoMap &sensorInfoMap) override;
+ int configure(const ControlInfoMap &sensorInfoMap) override;
+
+ int start() override;
+ void stop() override;
+
+ void processStats(const ControlList &sensorControls) override;
+
+private:
+ void updateExposure(double exposureMSV);
+
+ DebayerParams *params_;
+ SwIspStats *stats_;
+ std::unique_ptr<CameraSensorHelper> camHelper_;
+ ControlInfoMap sensorInfoMap_;
+ BlackLevel blackLevel_;
+
+ int32_t exposureMin_, exposureMax_;
+ int32_t exposure_;
+ double againMin_, againMax_, againMinStep_;
+ double again_;
+ unsigned int ignoreUpdates_;
+};
+
+IPASoftSimple::~IPASoftSimple()
+{
+ if (stats_)
+ munmap(stats_, sizeof(SwIspStats));
+ if (params_)
+ munmap(params_, sizeof(DebayerParams));
+}
+
+int IPASoftSimple::init(const IPASettings &settings,
+ const SharedFD &fdStats,
+ const SharedFD &fdParams,
+ const ControlInfoMap &sensorInfoMap)
+{
+ camHelper_ = CameraSensorHelperFactoryBase::create(settings.sensorModel);
+ if (!camHelper_) {
+ LOG(IPASoft, Warning)
+ << "Failed to create camera sensor helper for "
+ << settings.sensorModel;
+ }
+
+ /* Load the tuning data file */
+ File file(settings.configurationFile);
+ if (!file.open(File::OpenModeFlag::ReadOnly)) {
+ int ret = file.error();
+ LOG(IPASoft, Error)
+ << "Failed to open configuration file "
+ << settings.configurationFile << ": " << strerror(-ret);
+ return ret;
+ }
+
+ std::unique_ptr<libcamera::YamlObject> data = YamlParser::parse(file);
+ if (!data)
+ return -EINVAL;
+
+ /* \todo Use the IPA configuration file for real. */
+ unsigned int version = (*data)["version"].get<uint32_t>(0);
+ LOG(IPASoft, Debug) << "Tuning file version " << version;
+
+ params_ = nullptr;
+ stats_ = nullptr;
+
+ if (!fdStats.isValid()) {
+ LOG(IPASoft, Error) << "Invalid Statistics handle";
+ return -ENODEV;
+ }
+
+ if (!fdParams.isValid()) {
+ LOG(IPASoft, Error) << "Invalid Parameters handle";
+ return -ENODEV;
+ }
+
+ {
+ void *mem = mmap(nullptr, sizeof(DebayerParams), PROT_WRITE,
+ MAP_SHARED, fdParams.get(), 0);
+ if (mem == MAP_FAILED) {
+ LOG(IPASoft, Error) << "Unable to map Parameters";
+ return -errno;
+ }
+
+ params_ = static_cast<DebayerParams *>(mem);
+ }
+
+ {
+ void *mem = mmap(nullptr, sizeof(SwIspStats), PROT_READ,
+ MAP_SHARED, fdStats.get(), 0);
+ if (mem == MAP_FAILED) {
+ LOG(IPASoft, Error) << "Unable to map Statistics";
+ return -errno;
+ }
+
+ stats_ = static_cast<SwIspStats *>(mem);
+ }
+
+ /*
+ * Check if the sensor driver supports the controls required by the
+ * Soft IPA.
+ * Don't save the min and max control values yet, as e.g. the limits
+ * for V4L2_CID_EXPOSURE depend on the configured sensor resolution.
+ */
+ if (sensorInfoMap.find(V4L2_CID_EXPOSURE) == sensorInfoMap.end()) {
+ LOG(IPASoft, Error) << "Don't have exposure control";
+ return -EINVAL;
+ }
+
+ if (sensorInfoMap.find(V4L2_CID_ANALOGUE_GAIN) == sensorInfoMap.end()) {
+ LOG(IPASoft, Error) << "Don't have gain control";
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+int IPASoftSimple::configure(const ControlInfoMap &sensorInfoMap)
+{
+ sensorInfoMap_ = sensorInfoMap;
+
+ const ControlInfo &exposureInfo = sensorInfoMap_.find(V4L2_CID_EXPOSURE)->second;
+ const ControlInfo &gainInfo = sensorInfoMap_.find(V4L2_CID_ANALOGUE_GAIN)->second;
+
+ exposureMin_ = exposureInfo.min().get<int32_t>();
+ exposureMax_ = exposureInfo.max().get<int32_t>();
+ if (!exposureMin_) {
+ LOG(IPASoft, Warning) << "Minimum exposure is zero, that can't be linear";
+ exposureMin_ = 1;
+ }
+
+ int32_t againMin = gainInfo.min().get<int32_t>();
+ int32_t againMax = gainInfo.max().get<int32_t>();
+
+ if (camHelper_) {
+ againMin_ = camHelper_->gain(againMin);
+ againMax_ = camHelper_->gain(againMax);
+ againMinStep_ = (againMax_ - againMin_) / 100.0;
+ } else {
+ /*
+ * The camera sensor gain (g) is usually not equal to the value written
+ * into the gain register (x). But the way how the AGC algorithm changes
+ * the gain value to make the total exposure closer to the optimum
+ * assumes that g(x) is not too far from linear function. If the minimal
+ * gain is 0, the g(x) is likely to be far from the linear, like
+ * g(x) = a / (b * x + c). To avoid unexpected changes to the gain by
+ * the AGC algorithm (abrupt near one edge, and very small near the
+ * other) we limit the range of the gain values used.
+ */
+ againMax_ = againMax;
+ if (!againMin) {
+ LOG(IPASoft, Warning)
+ << "Minimum gain is zero, that can't be linear";
+ againMin_ = std::min(100, againMin / 2 + againMax / 2);
+ }
+ againMinStep_ = 1.0;
+ }
+
+ LOG(IPASoft, Info) << "Exposure " << exposureMin_ << "-" << exposureMax_
+ << ", gain " << againMin_ << "-" << againMax_
+ << " (" << againMinStep_ << ")";
+
+ return 0;
+}
+
+int IPASoftSimple::start()
+{
+ return 0;
+}
+
+void IPASoftSimple::stop()
+{
+}
+
+void IPASoftSimple::processStats(const ControlList &sensorControls)
+{
+ /*
+ * Calculate red and blue gains for AWB.
+ * Clamp max gain at 4.0, this also avoids 0 division.
+ */
+ if (stats_->sumR_ <= stats_->sumG_ / 4)
+ params_->gainR = 1024;
+ else
+ params_->gainR = 256 * stats_->sumG_ / stats_->sumR_;
+
+ if (stats_->sumB_ <= stats_->sumG_ / 4)
+ params_->gainB = 1024;
+ else
+ params_->gainB = 256 * stats_->sumG_ / stats_->sumB_;
+
+ /* Green gain and gamma values are fixed */
+ params_->gainG = 256;
+ params_->gamma = 0.5;
+
+ if (ignoreUpdates_ > 0)
+ blackLevel_.update(stats_->yHistogram);
+ params_->blackLevel = blackLevel_.get();
+
+ setIspParams.emit();
+
+ /* \todo Switch to the libipa/algorithm.h API someday. */
+
+ /*
+ * AE / AGC, use 2 frames delay to make sure that the exposure and
+ * the gain set have applied to the camera sensor.
+ * \todo This could be handled better with DelayedControls.
+ */
+ if (ignoreUpdates_ > 0) {
+ --ignoreUpdates_;
+ return;
+ }
+
+ /*
+ * Calculate Mean Sample Value (MSV) according to formula from:
+ * https://www.araa.asn.au/acra/acra2007/papers/paper84final.pdf
+ */
+ const unsigned int blackLevelHistIdx =
+ params_->blackLevel / (256 / SwIspStats::kYHistogramSize);
+ const unsigned int histogramSize =
+ SwIspStats::kYHistogramSize - blackLevelHistIdx;
+ const unsigned int yHistValsPerBin = histogramSize / kExposureBinsCount;
+ const unsigned int yHistValsPerBinMod =
+ histogramSize / (histogramSize % kExposureBinsCount + 1);
+ int exposureBins[kExposureBinsCount] = {};
+ unsigned int denom = 0;
+ unsigned int num = 0;
+
+ for (unsigned int i = 0; i < histogramSize; i++) {
+ unsigned int idx = (i - (i / yHistValsPerBinMod)) / yHistValsPerBin;
+ exposureBins[idx] += stats_->yHistogram[blackLevelHistIdx + i];
+ }
+
+ for (unsigned int i = 0; i < kExposureBinsCount; i++) {
+ LOG(IPASoft, Debug) << i << ": " << exposureBins[i];
+ denom += exposureBins[i];
+ num += exposureBins[i] * (i + 1);
+ }
+
+ float exposureMSV = static_cast<float>(num) / denom;
+
+ /* Sanity check */
+ if (!sensorControls.contains(V4L2_CID_EXPOSURE) ||
+ !sensorControls.contains(V4L2_CID_ANALOGUE_GAIN)) {
+ LOG(IPASoft, Error) << "Control(s) missing";
+ return;
+ }
+
+ exposure_ = sensorControls.get(V4L2_CID_EXPOSURE).get<int32_t>();
+ int32_t again = sensorControls.get(V4L2_CID_ANALOGUE_GAIN).get<int32_t>();
+ again_ = camHelper_ ? camHelper_->gain(again) : again;
+
+ updateExposure(exposureMSV);
+
+ ControlList ctrls(sensorInfoMap_);
+
+ ctrls.set(V4L2_CID_EXPOSURE, exposure_);
+ ctrls.set(V4L2_CID_ANALOGUE_GAIN,
+ static_cast<int32_t>(camHelper_ ? camHelper_->gainCode(again_) : again_));
+
+ ignoreUpdates_ = 2;
+
+ setSensorControls.emit(ctrls);
+
+ LOG(IPASoft, Debug) << "exposureMSV " << exposureMSV
+ << " exp " << exposure_ << " again " << again_
+ << " gain R/B " << params_->gainR << "/" << params_->gainB
+ << " black level " << params_->blackLevel;
+}
+
+void IPASoftSimple::updateExposure(double exposureMSV)
+{
+ /*
+ * kExpDenominator of 10 gives ~10% increment/decrement;
+ * kExpDenominator of 5 - about ~20%
+ */
+ static constexpr uint8_t kExpDenominator = 10;
+ static constexpr uint8_t kExpNumeratorUp = kExpDenominator + 1;
+ static constexpr uint8_t kExpNumeratorDown = kExpDenominator - 1;
+
+ double next;
+
+ if (exposureMSV < kExposureOptimal - kExposureSatisfactory) {
+ next = exposure_ * kExpNumeratorUp / kExpDenominator;
+ if (next - exposure_ < 1)
+ exposure_ += 1;
+ else
+ exposure_ = next;
+ if (exposure_ >= exposureMax_) {
+ next = again_ * kExpNumeratorUp / kExpDenominator;
+ if (next - again_ < againMinStep_)
+ again_ += againMinStep_;
+ else
+ again_ = next;
+ }
+ }
+
+ if (exposureMSV > kExposureOptimal + kExposureSatisfactory) {
+ if (exposure_ == exposureMax_ && again_ > againMin_) {
+ next = again_ * kExpNumeratorDown / kExpDenominator;
+ if (again_ - next < againMinStep_)
+ again_ -= againMinStep_;
+ else
+ again_ = next;
+ } else {
+ next = exposure_ * kExpNumeratorDown / kExpDenominator;
+ if (exposure_ - next < 1)
+ exposure_ -= 1;
+ else
+ exposure_ = next;
+ }
+ }
+
+ exposure_ = std::clamp(exposure_, exposureMin_, exposureMax_);
+ again_ = std::clamp(again_, againMin_, againMax_);
+}
+
+} /* namespace ipa::soft */
+
+/*
+ * External IPA module interface
+ */
+extern "C" {
+const struct IPAModuleInfo ipaModuleInfo = {
+ IPA_MODULE_API_VERSION,
+ 0,
+ "simple",
+ "simple",
+};
+
+IPAInterface *ipaCreate()
+{
+ return new ipa::soft::IPASoftSimple();
+}
+
+} /* extern "C" */
+
+} /* namespace libcamera */
diff --git a/src/ipa/vimc/data/meson.build b/src/ipa/vimc/data/meson.build
index 42ec651c..628d6a29 100644
--- a/src/ipa/vimc/data/meson.build
+++ b/src/ipa/vimc/data/meson.build
@@ -5,4 +5,5 @@ conf_files = files([
])
install_data(conf_files,
- install_dir : ipa_data_dir / 'vimc')
+ install_dir : ipa_data_dir / 'vimc',
+ install_tag : 'runtime')
diff --git a/src/ipa/vimc/meson.build b/src/ipa/vimc/meson.build
index ecbeee13..264a2d9a 100644
--- a/src/ipa/vimc/meson.build
+++ b/src/ipa/vimc/meson.build
@@ -21,3 +21,5 @@ if ipa_sign_module
endif
subdir('data')
+
+ipa_names += ipa_name
diff --git a/src/ipa/vimc/vimc.cpp b/src/ipa/vimc/vimc.cpp
index 85afb279..ebd63fa6 100644
--- a/src/ipa/vimc/vimc.cpp
+++ b/src/ipa/vimc/vimc.cpp
@@ -2,7 +2,7 @@
/*
* Copyright (C) 2019, Google Inc.
*
- * ipa_vimc.cpp - Vimc Image Processing Algorithm module
+ * Vimc Image Processing Algorithm module
*/
#include <libcamera/ipa/vimc_ipa_interface.h>
@@ -31,7 +31,10 @@ public:
IPAVimc();
~IPAVimc();
- int init(const IPASettings &settings) override;
+ int init(const IPASettings &settings,
+ const ipa::vimc::IPAOperationCode code,
+ const Flags<ipa::vimc::TestFlag> inFlags,
+ Flags<ipa::vimc::TestFlag> *outFlags) override;
int start() override;
void stop() override;
@@ -66,7 +69,10 @@ IPAVimc::~IPAVimc()
::close(fd_);
}
-int IPAVimc::init(const IPASettings &settings)
+int IPAVimc::init(const IPASettings &settings,
+ const ipa::vimc::IPAOperationCode code,
+ const Flags<ipa::vimc::TestFlag> inFlags,
+ Flags<ipa::vimc::TestFlag> *outFlags)
{
trace(ipa::vimc::IPAOperationInit);
@@ -74,6 +80,15 @@ int IPAVimc::init(const IPASettings &settings)
<< "initializing vimc IPA with configuration file "
<< settings.configurationFile;
+ LOG(IPAVimc, Debug) << "Got opcode " << code;
+
+ LOG(IPAVimc, Debug)
+ << "Flag 2 was "
+ << (inFlags & ipa::vimc::TestFlag::Flag2 ? "" : "not ")
+ << "set";
+
+ *outFlags |= ipa::vimc::TestFlag::Flag1;
+
File conf(settings.configurationFile);
if (!conf.open(File::OpenModeFlag::ReadOnly)) {
LOG(IPAVimc, Error) << "Failed to open configuration file";
@@ -142,7 +157,8 @@ void IPAVimc::fillParamsBuffer([[maybe_unused]] uint32_t frame, uint32_t bufferI
return;
}
- paramsBufferReady.emit(bufferId);
+ Flags<ipa::vimc::TestFlag> flags;
+ paramsBufferReady.emit(bufferId, flags);
}
void IPAVimc::initTrace()
@@ -152,7 +168,7 @@ void IPAVimc::initTrace()
if (ret)
return;
- ret = ::open(ipa::vimc::VimcIPAFIFOPath.c_str(), O_WRONLY);
+ ret = ::open(ipa::vimc::VimcIPAFIFOPath.c_str(), O_WRONLY | O_CLOEXEC);
if (ret < 0) {
ret = errno;
LOG(IPAVimc, Error) << "Failed to open vimc IPA test FIFO: "
@@ -184,7 +200,7 @@ extern "C" {
const struct IPAModuleInfo ipaModuleInfo = {
IPA_MODULE_API_VERSION,
0,
- "PipelineHandlerVimc",
+ "vimc",
"vimc",
};