Quote:
Originally Posted by hajj_3
heif requires licensing h265 patents though which can be expensive. Avif will be patent free, so much better to use that.
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HEIF is codec agnostic. It can use JPEG, H.264, HEVC, and it would be trivial to extend to AV1.
I don't have any specific thoughts about how HEVC and AV1 would compare technically as still image codecs.
Also, I would speculate that a lot of the HEVC IP wouldn't apply to still image encoding; so much is around interframe encoding.