[FFmpeg-user] Best way to record video on a computer with a really bad CPU yet really good GPU?

Carl Eugen Hoyos ceffmpeg at gmail.com
Sun Sep 4 11:25:16 EEST 2016

2016-09-04 10:16 GMT+02:00 Sven C. Dack <sven.c.dack at sky.com>:

> $ ffmpeg -f x11grab -s 1920x1080 -i :0.0 -f rawvideo /dev/null
> (I.e. 30fp/s, 2gbit/s)
> This will tell you how fast you can grab at the most. Here the
> screen size is set to be 1920x1080.

> Then reduce it with the "-r" option:

Please see the examples in the fine documentation:

See also:

Carl Eugen

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