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Another take on this: AVIF is a Netflix engineer quick-hacking a video format as an image format -- without actual experience in codec design, image compressio
by JyrkiAlakuijala 4y ago
Another take on this:
AVIF is a Netflix engineer quick-hacking a video format as an image format -- without actual experience in codec design, image compression or psychovisual research, without consulting such people to get the design right. When size and memory limitations were noticed, a tiled approach was proposed where globally spanning artefacts through the image will emerge. No one has been able to propose a fix for this and other kludges yet.
AVIF doesn't match WebP lossless in density, even given the 10 years more of compression research. AVIF doesn't even beat PNG at lossless, which itself was hacked together in a few months ~25 years earlier (primitive filtering, mixing filter bytes with image data, botched 16 bits compression, layering a primitive 1980's byte-compressor and filtering instead of designing a codec).