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> However, real-world files didn’t seem to match a lot of the document which was odd. All of this was buried in the small-print of course: “the core technology behind the GoPro CineForm Codec has been standardized [sic]”. So in reality existing files were not decodable by a VC-5 decoder.

This is why open source is often so much better than open standards (though the latter the was used to help create the former, in this case).

Huge kudos to the author for doing this work, as well as explaining the process.



Not sure what open source would accomplish here - without a standards paper you can't get multiple conformant players for a format, because the company can just constantly move goalposts around as much as they will.

The best way to implement video standards until now has (as pretty much everywhere else) been a good tight specification coupled with a several conforming decoders without any monopolizing the market. It keeps the vendors honest.


> This is why open source is often so much better than open standards (though the latter the was used to help create the former, in this case).

Personally, I prefer both: a standard to give documentation, motivation, and clarification, and an Open Source reference implementation (written for maximum clarity rather than optimization).




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