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.

Free: and I mean, actually free, not free in exchange for personal data, an account creation, or anything. Powerful: Supermosh allows you to preview your output and tweak parameters, unlike traditional datamoshing using Avidemux. 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. Simple: upload your videos, define your effects, download your edit. The glitch art style known as datamoshing exploits this particular form of. However, by removing the keyframe it's assumptions are now 'wrong' and you get the lovely effect. Datamoshing for Stylized Effects inspired by the datamoshing in Asap Mobs Yamborghi video, this tutorial by Justin Odisho breaks down how to recreate and. If you want to databend video you wont get very far opening up a video in. 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. The video above was datamoshed using this automation script.

The following script for AutoHotkey automates I-frame removal in Avidemux, normally a manual process described in this tutorial. As i understand it, it's a matter of removing the frames that serve as keyframes. For Windows users AutoHotkey is free, open-source macro-creation and automation software that can handle some of the repetitive tasks involved in datamoshing.

Datamoshing video tutorial