[FFmpeg-user] Shrinking video files

Nicolas George george at nsup.org
Mon Apr 3 16:32:39 EEST 2017


Le quartidi 14 germinal, an CCXXV, Cecil Westerhof a écrit :
> By the way: when I am going to use an other preset like slow, the file
> will be smaller, but can I count on it that the quality is at least as
> good as with ultrafast?

The quality is set by crf; the preset changes the efforts to achieve it,
and thus the file size.

> Well, ffmpeg already took all my cores. That is part of the problem of
> long runs: when the conversion runs, I can almost do nothing else on
> my computer.

This is completely abnormal. But probably not related to FFmpeg.

Regards,

-- 
  Nicolas George
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