Comments (1)
Clearly you added wrong resolution, see man ffmpeg
and search for X11 grabbing
. There are bunch of examples with resolution.
X11 grabbing
Grab the X11 display with ffmpeg via
ffmpeg -f x11grab -video_size cif -framerate 25 -i :0.0 /tmp/out.mpg
0.0 is display.screen number of your X11 server, same as the DISPLAY environment variable.
ffmpeg -f x11grab -video_size cif -framerate 25 -i :0.0+10,20 /tmp/out.mpg
0.0 is display.screen number of your X11 server, same as the DISPLAY environment variable. 10 is the x-offset and 20 the
y-offset for the grabbing.
If you need partial screen picker without a sound here's my script for that purpose. In case of adding sound you would have to tinker it yourself, I purposefully ignored that part. You have to install slop
to make it work though. It works best if you bind it to certain keyboard shortut as you run script again to stop recording.
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