Timo Rothenpieler via ffmpeg-user (HE12026-04-01): > They're arbitrary and depend on all other encoder settings.
They are not supposed to. For a specified codec, different encoder settings will give vastly different encoding time and output file size, but the promise of CRF is that the same CRF should yield the same visual quality. And in my experience, that promise is mostly kept. On the other hand, it is important to remember that CRF is local: higher resolution with the same CRF will give better quality because artifacts of the same magnitude will just be displayed smaller in comparison to the whole screen. And different codecs definitely have different scales. Regards, -- Nicolas George _______________________________________________ ffmpeg-user mailing list -- [email protected] To unsubscribe send an email to [email protected]
