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by wolf550e
1180 days ago
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Video formats meant for editing (e.g. mjpeg) are a series of images (intra frame only), but video formats meant for playback (e.g. H.264, HEVC, AV1) are much more compressed, by making frames depend on other frames (inter frame). Blocks of pixels in one frame copy a block of pixels from another frame (backwards and forwards!), and apply a "diff". |
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