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. 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. I have tried to explain everything in this video. However, by removing the keyframe it's assumptions are now "wrong" and you get the lovely effect. 49 Share 991 views 5 months ago So finally I made the official tutorial for my special glitch art tool called 'Datamosher Pro'. First off its so much easier to datamosh instead of using a computer. 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. Datamoshing videos can be a time-consuming process, automation can help. The app was mainly used on the viral TikTok datamoshing videos over the last two. As i understand it, it's a matter of removing the frames that serve as keyframes.
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