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Update 2024-12-23 12:39 OpenBSD/amd64-t14

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c0dev0id 2024-12-23 12:39:36 +01:00
parent b3b69a682a
commit 1ecd621a69
1 changed files with 40 additions and 17 deletions
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57
.bin/cam
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@ -1,27 +1,40 @@
#!/bin/sh
# defaults
_format="-input_format mjpeg"
# loop through arguments
for arg in $@
do
# set values based of arguments found
case $arg in
start) shift; _start=1 ;;
stop) shift; _stop=1 ;;
list) shift; _list=1 ;;
mjpeg) shift; _format="-input_format mjpeg" ;;
s|start) shift; _start=1 ;;
k|kill|stop) shift; _stop=1 ;;
l|list) shift; _list=1 ;;
raw) shift; _format="-input_format yuyv422" ;;
fullhd) shift; _res="-video_size 1920x1080" ;;
hd) shift; _res="-video_size 1280x720" ;;
sd) shift; _res="-video_size 640x360" ;;
max) shift; _res=max ;;
30) shift; _fps="-framerate 30" ;;
60) shift; _fps="-framerate 60" ;;
max) shift; _res="max" ;;
[0-9]*x[0-9]*) shift; _res="-video_size $arg" ;;
*) _dev="$arg" ;;
[0-9]) shift; _dev="$arg" ;;
*) shift; _unknown="$_unknown $arg" ;;
esac
done
if [ ! -z "$_unknown" ]
then
echo "unknown parameter(s): $_unknown"
fi
# set device
if [ -z "$_dev" ]
then
_dev="/dev/video0"
else
_dev="/dev/video$_dev"
fi
# set resolution
@ -29,9 +42,9 @@ if [ x"$_res" == x"max" ]
then
_res="-video_size $(ffplay -f v4l2 -list_formats all -i $_dev 2>&1 \
| grep mjpeg \
| xargs \
| cut -d":" -f4 \
| cut -d " " -f2 \
| tr-d " " \
)"
_format="-input_format mjpeg"
fi
@ -39,40 +52,50 @@ fi
# list supported formats + resolutions
if [ ! -z "$_list" ]
then
ffplay -f v4l2 -list_formats all -i $_dev 2>&1 \
command="$(echo "ffplay -f v4l2 -list_formats all -i $_dev")"
echo "starting: $command"
$command 2>&1 \
| grep '^\[video4linux2' \
| cut -d: -f3,4
| cut -d: -f3,4 \
| sed -e 's/^[ \t]*//;s/ : /: /'
exit 0
fi
command="$(echo "ffplay -loglevel quiet -f v4l2 $_format $_res -i $_dev" | xargs)"
if [ ! -z "$_start" ]
then
echo "starting: $command"
$command > /dev/null 2>&1 &
command="ffplay -loglevel quiet -f v4l2 $_fps $_format $_res -i $_dev"
echo "starting: $command" | xargs
_SWM_WS=-1 $command > /dev/null 2>&1 &
[ $? -ne 0 ] \
&& echo "ffplay couldn't start"
exit 0
fi
if [ ! -z "$_stop" ]
then
echo "stopping: $command"
pkill -qf "$command"
echo "stopping: ffplay -loglevel quiet -f v4l2"
pkill -qf "ffplay -loglevel quiet -f v4l2"
exit 0
fi
if [ $(( _start + _stop + _list )) -eq 0 ]
then
echo "usage: cam command [format] [resolution] [device]"
echo "usage: cam command [framerate] [format] [resolution] [device]"
echo " commands:"
echo " start - start camera"
echo " stop - stop camera"
echo " list - list supported formats and resolutions"
echo " formats:"
echo " raw - reads the yuyv422 stream (default is mjpeg)"
echo " resolutions:"
echo " sd - set video size to 640x360"
echo " hd - set video size to 1280x720"
echo " fullhd - set video size to 1920x1080"
echo " max - set maximum video size (implies mjpeg format)"
echo " <width>x<height> - manually set resolution (see list command)"
echo " <device> - set video device (defaults to /dev/video0)"
echo " framerates:"
echo " 30 - set framerate to 30 fps"
echo " 60 - set framerate to 60 fps"
echo " <device> - set video device number (defaults is 0)"
exit 2
fi