[FFmpeg-user] FFmpeg and libx264 presets and Constant Rate Factor (CRF)

[Carl Eugen Hoyos]

Am Sa., 7. Aug. 2021 um 11:12 Uhr schrieb Bill Crockett <wsc4 at optusnet.com.au>:

> If I choose a CRF of 20, and I use the "veryslow" preset, the quality will
> still be the same if I choose a CRF of 20 and use the "superfast" preset?
>
> The same with this.  If I choose a CRF of 10, and I use the "veryslow"
> preset, the quality will still be the same if I choose a CRF of 10 and use
> the "superfast" preset?

The quality will be (very) similar in both cases, it will not be 100% identical.

Carl Eugen