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nicopace/gist:a27d44cbd0c1753a10ff6e64fac732f0

Created April 29, 2020 00:19
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use a window as a webcam
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gistfile1.txt
modprobe v4l2loopback video_nr=3
gst-launch-1.0 -v ximagesrc startx=1 starty=1 endx=320 endy=240 ! videoconvert ! "video/x-raw,format=YUY2" ! tee ! v4l2sink device=/dev/video3
# you can also use gst-launch to select a window https://superuser.com/questions/709866/ffmpeg-x11grab-a-single-window
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