[FFmpeg-user] -preset veryfast produces smallest file, weird

Ulf Zibis Ulf.Zibis at CoSoCo.de
Sun Oct 15 18:20:36 EEST 2023

Am 15.10.23 um 16:52 schrieb Reindl Harald:
> Am 15.10.23 um 16:43 schrieb Ulf Zibis:
>> Am 15.10.23 um 15:43 schrieb Reindl Harald:
>>> if you prefer fast you don't care about quality
>>> in doubt quality needs space and find a compromise between size and space - you can't have both - and well, depending on the source material fast can be small and good enough in quality
>> In my understanding quality also needs CPU time
> but with "veryfast" you statet "i do not care about quality" and losing details by not care about quality *can save* space - common sense

Then the info in the Wiki must be wrong.

With "veryfast" I stated to "not care about *space*", but with "-crf 23" I always stated "care about same quality".

Interestingly with "veryfast" I needed less space than with "medium" or "veryslow".


More information about the ffmpeg-user mailing list