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fix v4l2
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This commit is contained in:
Mark 2025-01-25 22:05:42 -08:00
parent c5c55de2d5
commit b6235368bd
Signed by: Mark
GPG Key ID: C6D63995FE72FD80
1 changed files with 23 additions and 14 deletions
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37
reStream.sh
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@ -3,12 +3,12 @@
# default values for arguments # default values for arguments
remarkable="${REMARKABLE_IP:-10.11.99.1}" # remarkable IP address remarkable="${REMARKABLE_IP:-10.11.99.1}" # remarkable IP address
#remarkable="${REMARKABLE_IP:-10.143.0.112}" # remarkable IP address #remarkable="${REMARKABLE_IP:-10.143.0.112}" # remarkable IP address
landscape=true # rotate 90 degrees to the right landscape=true # rotate 90 degrees to the right
output_path=- # display output through ffplay output_path=/dev/video5 # display output through ffplay
format=- # automatic output format format=- # automatic output format
webcam=false # not to a webcam webcam=true # not to a webcam
hflip=false # horizontal flip webcam hflip=false # horizontal flip webcam
window_title=reStream # stream window title is reStream window_title=reStream # stream window title is reStream
ssh_cmd() { ssh_cmd() {
echo "[SSH]" "$@" >&2 echo "[SSH]" "$@" >&2
@ -49,17 +49,26 @@ video_filters="colorlevels=rimin=0:rimax=29/255:gimin=0:gimax=29/255:bimin=0:bim
# rotate 90 degrees if landscape=true # rotate 90 degrees if landscape=true
$landscape && video_filters="$video_filters,transpose=1" $landscape && video_filters="$video_filters,transpose=1"
# Scale and add padding if we are targeting a webcam because a lot of services
# expect a size of exactly 1280x720 (tested in Firefox, MS Teams, and Skype for
# for business). Send a PR if you can get a higher resolution working.
if $webcam; then if $webcam; then
video_filters="$video_filters,format=pix_fmts=yuv420p" video_filters="$video_filters,format=pix_fmts=yuv420p"
video_filters="$video_filters,scale=-1:720" format="v4l2"
video_filters="$video_filters,pad=1280:0:-1:0:#eeeeee"
# check if there is a modprobed v4l2 loopback device
# use the first cam as default if there is no output_path already
cam_path=$(v4l2-ctl --list-devices |
sed -n '/^[^\s]\+platform:v4l2loopback/{n;s/\s*//g;p;q}')
# fail if there is no such device
if [ -e "$cam_path" ]; then
if [ "$output_path" = "-" ]; then
output_path="$cam_path"
fi
else
echo "Could not find a video loopback device, did you"
echo "sudo modprobe v4l2loopback"
exit 1
fi
# Some applications, eg Zoom and Discord, mirror by default the webcam video
# Restore the correct orientation
$hflip && video_filters="$video_filters,hflip"
fi fi
# set each frame presentation time to the time it is received # set each frame presentation time to the time it is received