[FFmpeg-user] ffmpeg screencapture from a virtual xserver larger than the physical screen

Nicolas George george at nsup.org
Thu Nov 19 18:48:53 CET 2015

Le nonidi 29 brumaire, an CCXXIV, Zenny a écrit :
> However, I have never forwarded xserver display with ffmpeg. Any hints
> appreciated.

There is nothing special:

ffmpeg -f x11grab -i :0 -f opengl -

The first half grabs the display, the second half displays the resulting
video stream in a window. You can use all the options you want to scale
down, reduce rate, etc.


  Nicolas George
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