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-rw-r--r--src/ipa/rkisp1/algorithms/filter.cpp201
-rw-r--r--src/ipa/rkisp1/algorithms/filter.h30
-rw-r--r--src/ipa/rkisp1/algorithms/meson.build1
-rw-r--r--src/ipa/rkisp1/data/ov5640.yaml1
-rw-r--r--src/ipa/rkisp1/ipa_context.cpp14
-rw-r--r--src/ipa/rkisp1/ipa_context.h6
6 files changed, 253 insertions, 0 deletions
diff --git a/src/ipa/rkisp1/algorithms/filter.cpp b/src/ipa/rkisp1/algorithms/filter.cpp
new file mode 100644
index 00000000..8ca10fd1
--- /dev/null
+++ b/src/ipa/rkisp1/algorithms/filter.cpp
@@ -0,0 +1,201 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2021-2022, Ideas On Board
+ *
+ * filter.cpp - 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,
+ const ControlList &controls)
+{
+ auto &filter = context.frameContext.filter;
+
+ const auto &sharpness = controls.get(controls::Sharpness);
+ if (sharpness) {
+ filter.sharpness = std::round(std::clamp(*sharpness, 0.0f, 10.0f));
+ filter.updateParams = 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:
+ filter.denoise = 0;
+ filter.updateParams = true;
+ break;
+ case controls::draft::NoiseReductionModeMinimal:
+ filter.denoise = 1;
+ filter.updateParams = true;
+ break;
+ case controls::draft::NoiseReductionModeHighQuality:
+ case controls::draft::NoiseReductionModeFast:
+ filter.denoise = 3;
+ filter.updateParams = true;
+ break;
+ default:
+ LOG(RkISP1Filter, Error)
+ << "Unsupported denoise value "
+ << *denoise;
+ }
+ }
+}
+
+/**
+ * \copydoc libcamera::ipa::Algorithm::prepare
+ */
+void Filter::prepare(IPAContext &context, rkisp1_params_cfg *params)
+{
+ auto &filter = context.frameContext.filter;
+
+ /* Check if the algorithm configuration has been updated. */
+ if (!filter.updateParams)
+ return;
+
+ filter.updateParams = false;
+
+ 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 = filter.denoise;
+ uint8_t sharpness = 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..9eb170eb
--- /dev/null
+++ b/src/ipa/rkisp1/algorithms/filter.h
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2021-2022, Ideas On Board
+ *
+ * filter.h - 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,
+ const ControlList &controls) override;
+ void prepare(IPAContext &context, rkisp1_params_cfg *params) override;
+};
+
+} /* namespace ipa::rkisp1::algorithms */
+} /* namespace libcamera */
diff --git a/src/ipa/rkisp1/algorithms/meson.build b/src/ipa/rkisp1/algorithms/meson.build
index 87007493..dcd24fe0 100644
--- a/src/ipa/rkisp1/algorithms/meson.build
+++ b/src/ipa/rkisp1/algorithms/meson.build
@@ -5,6 +5,7 @@ rkisp1_ipa_algorithms = files([
'awb.cpp',
'blc.cpp',
'dpcc.cpp',
+ 'filter.cpp',
'gsl.cpp',
'lsc.cpp',
])
diff --git a/src/ipa/rkisp1/data/ov5640.yaml b/src/ipa/rkisp1/data/ov5640.yaml
index 2315ec43..99529481 100644
--- a/src/ipa/rkisp1/data/ov5640.yaml
+++ b/src/ipa/rkisp1/data/ov5640.yaml
@@ -155,4 +155,5 @@ algorithms:
rnd-offsets:
green: 2
red-blue: 2
+ - Filter:
...
diff --git a/src/ipa/rkisp1/ipa_context.cpp b/src/ipa/rkisp1/ipa_context.cpp
index 30bb87a9..4b117186 100644
--- a/src/ipa/rkisp1/ipa_context.cpp
+++ b/src/ipa/rkisp1/ipa_context.cpp
@@ -137,6 +137,20 @@ namespace libcamera::ipa::rkisp1 {
*/
/**
+ * \var IPAFrameContext::filter
+ * \brief Context for the Filter algorithm
+ *
+ * \struct IPAFrameContext::filter.denoise
+ * \brief Denoising level
+ *
+ * \var IPAFrameContext::filter.sharpness
+ * \brief Sharpness level
+ *
+ * \var IPAFrameContext::filter.updateParams
+ * \brief Indicates if ISP parameters need to be updated
+ */
+
+/**
* \var IPAFrameContext::sensor
* \brief Effective sensor values
*
diff --git a/src/ipa/rkisp1/ipa_context.h b/src/ipa/rkisp1/ipa_context.h
index 3bfb262c..3b2f6af1 100644
--- a/src/ipa/rkisp1/ipa_context.h
+++ b/src/ipa/rkisp1/ipa_context.h
@@ -58,6 +58,12 @@ struct IPAFrameContext {
} awb;
struct {
+ uint8_t denoise;
+ uint8_t sharpness;
+ bool updateParams;
+ } filter;
+
+ struct {
uint32_t exposure;
double gain;
} sensor;
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-10 21:31:06 +0000