On Sun, Dec 27, 2020 at 7:33 PM pdr0 <p...@shaw.ca> wrote: > One issue is scene change is still active. When you crop to a region of > interest, a small change is effectively a larger % change. eg. The delta > between 1020 and 1021 is large when head is going up. If you disable scene > change, you get set intervals, it's no longer adaptive by scene change. > > -filter_complex "[0:0][1:0]decimate='ppsrc=1':scthresh=0" > > Drops become regular 1012,1017,1022,1027,1032 > > > > Other differences are preprocessed.mkv is a lossy version and encoded > progressively instead of interlaced or mbaff. There are motion vectors that > cross fields that shouldn't, so you get motion when you shouldn't when you > examine individual fields. ie. Fields are "muddied" in preprocessed.mkv . > > Also the chroma encoding is different when you encode progressively. You > can > see the colored edges are different on some fields. You can set chroma=0 to > disable, or use a proper prepreprocessed version (Lossless and encoded with > mbaff) > > These latter two aren't the explanation in this specific case, but you > should test with original source, or lossless versions >
Exactly I completely overlooked this fact. > > > > > -- > Sent from: http://www.ffmpeg-archive.org/ > _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".