8/27/2023 0 Comments Datamosh video on mac![]() ![]() You'll probably knock out the keyframe in doing that, and the next time you play the video, it will be screwed up! If you wanted to do this realtime, you'd have to have some amount of buffer or dual head playback so you could look ahead for a keyframe, then knock it out before you play it back to the viewer. ![]() take either the MP4 or AVI, then re-encode it in vdub with P-frames and a long GOP interval, the default for xvid is 250) The Datamosh tutorials recommend FFDSHOW but I've looked through the configure settings and do not see any GOP settings in it. ago I'm showing how it's done in Windows, but shouldn't be too different in Unix or Mac. So, now you ask, how do you know which frames are keyframes? But this article goes inside the process used in Kanye's video in good detail:Īn algorithmic approach might be to analyze an MP4 videostream for cuts (where the difference between 2 frames is relatively large), then cut out the surrounding frames. Not if you re-encode it with P-frames (ie. Datamoshing with FFMPEG (howto in comments) 182 7 7 comments Best Add a Comment justhadto 1 yr. However, by removing the keyframe it's assumptions are now "wrong" and you get the lovely effect. Once the keyframes are gone, there's no reference for the codec, so it just goes along and does what codecs do, which is recalculate the image based on assumptions. Datamosh 2 is the latest iteration of After Effects glitching that allows you to break video files in countless fashions. As i understand it, it's a matter of removing the frames that serve as keyframes. ![]()
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