summaryrefslogtreecommitdiff
path: root/utils/rkisp1/rkisp1-capture.sh
blob: d5ebe5b1d1bad47973cc5aefd23c335f37356ebe (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
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
182
183
#!/bin/sh
# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (C) 2019, Google Inc.
#
# Author: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
#
# rkisp-capture.sh - Capture processed frames from cameras based on the
# Rockchip ISP1
#
# 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)
# - raw2rgbpnm (from git://git.retiisi.org.uk/~sailus/raw2rgbpnm.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
	local name=$1

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

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

	echo $mdev
}

# Get the sensor format
get_sensor_format() {
	local format
	local sensor=$1

	format=$($mediactl --get-v4l2 "'$sensor':0" | sed 's/\[\([^ ]*\).*/\1/')
	sensor_mbus_code=$(echo $format | sed 's/fmt:\([A-Z0-9_]*\).*/\1/')
	sensor_size=$(echo $format | sed 's/[^\/]*\/\([0-9x]*\).*/\1/')

	echo "Capturing ${sensor_size} from sensor $sensor in ${sensor_mbus_code}"
}

# Configure the pipeline
configure_pipeline() {
	local format="fmt:$sensor_mbus_code/$sensor_size"
	local capture_mbus_code=$1
	local capture_size=$2

	echo "Configuring pipeline for $sensor in $format"

	$mediactl -r

	$mediactl -l "'$sensor':0 -> 'rkisp1_isp':0 [1]"
	$mediactl -l "'rkisp1_isp':2 -> 'rkisp1_resizer_mainpath':0 [1]"

	$mediactl -V "\"$sensor\":0 [$format]"
	$mediactl -V "'rkisp1_isp':0 [$format crop:(0,0)/$sensor_size]"
	$mediactl -V "'rkisp1_isp':2 [fmt:$capture_mbus_code/$sensor_size crop:(0,0)/$sensor_size]"
	$mediactl -V "'rkisp1_resizer_mainpath':0 [fmt:$capture_mbus_code/$sensor_size crop:(0,0)/$sensor_size]"
	$mediactl -V "'rkisp1_resizer_mainpath':1 [fmt:$capture_mbus_code/$capture_size]"
}

# Capture frames
capture_frames() {
	local file_op
	local capture_format=$1
	local capture_size=$2
	local frame_count=$3
	local save_file=$4

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

	yavta -c$frame_count -n5 -I -f $capture_format -s $capture_size \
		$file_op $($mediactl -e "rkisp1_mainpath")
}

# Convert captured files to ppm
convert_files() {
	local format=$1
	local size=$2
	local frame_count=$3

	echo "Converting ${frame_count} frames (${size})"

	for i in `seq 0 $(($frame_count - 1))`; do
		i=$(printf %06u $i)
		raw2rgbpnm -f $format -s $size /tmp/frame-$i.bin /tmp/frame-$i.ppm
	done
}

# Print usage message
usage() {
	echo "Usage: $1 [options] sensor-name"
	echo "Supported options:"
	echo "-c,--count n      Number of frame to capture"
	echo "--no-save         Do not save captured frames to disk"
	echo "-r, --raw         Capture RAW frames"
	echo "-s, --size wxh    Frame size"
}

# Parse command line arguments
capture_size=1024x768
frame_count=10
raw=false
save_file=1

while [[ $# -ne 0 ]] ; do
	case $1 in
	-c|--count)
		frame_count=$2
		shift 2
		;;
	--no-save)
		save_file=0
		shift
		;;

	-r|--raw)
		raw=true
		shift
		;;
	-s|--size)
		capture_size=$2
		shift 2
		;;
	-*)
		echo "Unsupported option $1" >&2
		usage $0
		exit 1
		;;
	*)
		break
		;;
	esac
done

if [[ $# -ne 1 ]] ; then
	usage $0
	exit 1
fi

sensor_name=$1

modprobe phy_rockchip_dphy_rx0
modprobe rockchip_isp1

sensor=$(find_sensor $sensor_name) || exit
mdev=$(find_media_device rkisp1) || exit
mediactl="media-ctl -d $mdev"

get_sensor_format "$sensor"
if [[ $raw == true ]] ; then
	capture_format=$(echo $sensor_mbus_code | sed 's/_[0-9X]$//')
	capture_mbus_code=$sensor_mbus_code
else
	capture_format=YUYV
	capture_mbus_code=YUYV8_2X8
fi

configure_pipeline $capture_mbus_code $capture_size
capture_frames $capture_format $capture_size $frame_count $save_file
[[ $save_file -eq 1 ]] && convert_files $capture_format $capture_size $frame_count