summaryrefslogtreecommitdiff
path: root/test/timer.cpp
diff options
context:
space:
mode:
authorKieran Bingham <kieran.bingham@ideasonboard.com>2020-05-22 17:29:08 +0100
committerKieran Bingham <kieran.bingham@ideasonboard.com>2020-06-04 11:03:00 +0100
commit3d978a5655d93fcd35e8d4b5a98e84114ebbaf56 (patch)
tree39157188426362009b4cdafa4f465d17d79cae19 /test/timer.cpp
parenta69a8ffb0293e9e962fb7354a94a2872467a2e65 (diff)
libcamera: pipeline: vimc: Skip unsupported formats
Older kernels do not support all 'reported' formats. Skip them on those kernels. Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Diffstat (limited to 'test/timer.cpp')
0 files changed, 0 insertions, 0 deletions
generated by cgit v1.2.1 (git 2.18.0) at 2025-04-24 01:13:29 +0000
id='n35' href='#n35'>35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (C) 2018, Google Inc.
#
# Author: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
#
# ipu3-capture.sh - Capture raw frames from cameras based on the Intel IPU3
#
# The scripts makes use of the following tools, which are expected to be
# executable from the system-wide path or from the local directory:
#
# - media-ctl (from v4l-utils git://linuxtv.org/v4l-utils.git)
# - raw2pnm (from nvt https://github.com/intel/nvt.git)
# - yavta (from git://git.ideasonboard.org/yavta.git)

# Locate the sensor entity
find_sensor() {
	local bus
	local sensor_name=$1

	bus=$(grep "$sensor_name" /sys/class/video4linux/v4l-subdev*/name | cut -d ' ' -f 2)
	if [[ -z $bus ]]; then
		echo "Sensor '$sensor_name' not found." >&2
		exit 1
	fi

	echo "$sensor_name $bus"
}

# Locate the media device
find_media_device() {
	local mdev

	for mdev in /dev/media* ; do
		media-ctl -d $mdev -p | grep -q "^driver[ \t]*ipu3-cio2$" && break
		mdev=
	done

	if [[ -z $mdev ]] ; then
		echo "IPU3 media device not found." >&2
		exit 1
	fi

	echo $mdev
}

# Locate the CSI2 and CIO2 and get the sensor format
parse_pipeline() {
	local cio2_queue
	local resolution
	local sensor=$1

	read cio2_queue bus_format sensor_size <<< $($mediactl -p | awk "
	/^- entity [0-9]*:/ {
		sensor=0;
	}

	/^- entity [0-9]*: $sensor/ {
		sensor=1;
	}

	/^[ \t]*(stream:0)?\[fmt:/ {
		if (sensor) {
			gsub(\".*fmt:\", \"\");
			gsub(\"[] ].*\", \"\");
			gsub(\"/\", \" \");
			format=\$0;
		}
	}

	/^[ \t]*->/ {
		if (sensor)
			cio2=substr(\$3, 0, 1);
	}

	END {
		print cio2 \" \" format;
	}
	")

	ipu3_csi2="ipu3-csi2 $cio2_queue"
	ipu3_capture="ipu3-cio2 $cio2_queue"

	sensor_width=$(echo $sensor_size | cut -d 'x' -f 1)
	sensor_height=$(echo $sensor_size | cut -d 'x' -f 2)

	echo "Using device $mdev with IPU3 CIO2 queue $cio2_queue"
}

# Configure the pipeline
configure_pipeline() {
	local format="fmt:$bus_format/$sensor_size"

	echo "Configuring pipeline for $sensor in $format"

	$mediactl -r

	$mediactl -l "\"$sensor\":0 -> \"$ipu3_csi2\":0[1]"
	$mediactl -l "\"$ipu3_csi2\":1 -> \"$ipu3_capture\":0[1]"

	$mediactl -V "\"$sensor\":0 [$format]"
	$mediactl -V "\"$ipu3_csi2\":1 [$format]"
}

# Capture frames
capture_frames() {
	local file_op
	local frame_count=$1
	local ipu3_format=IPU3_${bus_format/_1X10/}
	local save_file=$2

	if [[ $save_file -eq 1 ]]; then
		file_op="--file=/tmp/frame-#.bin"
	fi

	yavta -c$frame_count -n5 -I -f $ipu3_format -s $sensor_size $file_op \
		$($mediactl -e "$ipu3_capture")
}

# Convert captured files to ppm
convert_files() {
	local frame_count=$1
	local format=${bus_format/_1X10/}
	local padded_width=$(expr \( $sensor_width + 49 \) / 50 \* 50)

	echo "Converting ${sensor_width}x${sensor_height} (${padded_width}x${sensor_height})"

	for i in `seq -f '%06.0f' 0 $(($frame_count - 1))`; do
		ipu3-unpack /tmp/frame-$i.bin /tmp/frame-$i.raw
		raw2pnm -x$padded_width -y$sensor_height -f$format /tmp/frame-$i.raw /tmp/frame-$i.ppm
	done
}

# Print usage message