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In our university sometimes the recordings of videos are very distorted.

Example frame (please ignore the red bar it's just there for privacy reasons):

Example Frame

I know that basically I would need to move each pixel of each frame horizontally based on its vertical position. Is there a way to do this with FFmpeg?

Thanks in advance!

  • 2
    See the geq filter – Gyan Jan 13 at 19:49
  • Thanks Gyan, this seems good. But sadly I see that when the position would be outside the frame, it just uses the edge. Is there a way to set it to repeat? – Bendie Jan 13 at 20:28
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Thanks to @Gyan, I was able to fix it.

ffmpeg -i input.mp4 -vf "geq=p(mod(X+Y*2\,W)\, Y)" output.mp4

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