you can check here https://trac.ffmpeg.org/wiki/Encode/H.264#FAQ
On Wed, 24 Feb 2021 at 14:12, Daniel Baker <[email protected]> wrote: > Are there any numbers on how much loss is associated with each > preset ? > > > mp4.video.preset: > > Preset (encoder optimization settings) to be used while performing mp4 > conversion.Valid values are: *ultrafast, superfast, veryfast, faster, > fast, medium, slow, slower, veryslow* > > > Could we add something like this : > > > *ultrafast (40% quality loss) , superfast**(30% quality loss)* > -- Best regards, Maxim
