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10-bit avif support #2232
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Indeed, AVIF works better with more than 8 bits. The quality improvement is significant enough that it makes up for extra computation (you'd need even slower encoding options to achieve the same quality in 8 bits). |
This would be a welcome improvement. The key changes needed would be to have the AVIF decoder report the color type as |
Please support 10-bit avif. 10-bit is the standard for AV1, because it offers significant BD-rate gain over 8-bit at the expense of marginally higher en/decoding complexity. Everything in my library is 10-bit -- both downloaded from other sources and what I've encoded myself.
A more specific use case I have for this is using ssimulacra2_rs, which uses image-rs for decoding, to help evaluate encoding quality.
Another use case is wpaperd, which uses image-rs for decoding.
#1504 is related, but is more about handling improperly formatted avif files.
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