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Written by cnlohr on 2024-12-26 at 09:53

About 6 months ago, Lyuma2D told me about Arithmetic coding, saying it was "Better than Huffman" which I laughed at, because, Huffman is provably optimal (but only for symbols). Boy was I wrong. I extracted VPX (VP8/9) coding into a single-file library https://github.com/cnlohr/vpxcoding

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Toot

Written by cnlohr on 2024-12-26 at 11:10

This library is still very work-in-progress, but it's what I'm using in another project, and indeed it is able to eek out between 1-5% improved overall compression compared to huffman coding, in almost all the cases I've been able to find. More importantly in many cases sometimes it's easier to use!

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