[FFmpeg-devel] [PATCH 2/2] lavc/libaomenc: Support lossless encoding

[Carl Eugen Hoyos]

Am Sa., 4. Apr. 2020 um 12:16 Uhr schrieb Ryo Hirafuji
<ryo.hirafuji at link-u.co.jp>:
>
> > Is it possible to use "cfr 0" instead?
>
> Unfortunately, crf=0 is not lossless.
> "lossless" flag uses "quantisation matrices", which is different from the
> default quantizer determined by "-crf", to achieve lossless encoding.

So "crf 0" already has a meaning different from all other crf values?

Thank you, Carl Eugen