ffmpeg is a powerful tool and it can do the work of capturing Linux desktop video very well. ffmpeg is a very fast video and audio converter that can also grab from a live audio/video source. ffmpeg can grab X11 input and create a video file such as mp4 at specific fps with the specific resolution.
The command to capture the Linux desktop video by ‘ffmpeg’ is as follows.
$ ffmpeg -f x11grab -s 1280x1024 -r 25 -i :0.0+0,0 out.mp4
Options used here:
‘-s 1280×1024’ is the resolution of the screen. Change it to the screen resolution you use.
‘-r 25’ is the FPS rate.
For more usage of
ffmpeg, please check ffmpeg manual.
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