Why not cut the image in rectangles and process those simultaneously? Wouldn't t... | Hacker News

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		bambax on Nov 6, 2023 \| parent \| context \| favorite \| on: FFmpeg is getting multithreaded transcoding pipeli... Why not cut the image in rectangles and process those simultaneously? Wouldn't that work for live streams? (There may be artefacts at the seams though?)

slimscsi on Nov 6, 2023 [–]

Yes, and we do, but that is not the slow part: https://en.wikipedia.org/wiki/Motion_compensation

And as for seams: https://en.wikipedia.org/wiki/Deblocking_filter

bambax on Nov 6, 2023 | [–]

Thanks! Very informative! It's really a fascinating topic.

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