AVIF images encoded with yuv422 appear black on iOS 16 / MacOS Ventura

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Avif Images cc-by-sa

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  • av1-avif

    AV1 Image File Format Specification - ISO-BMFF/HEIF derivative

    • So actually the same images I linked above are in the AOMediaCodec repo as well, under Link-U: https://github.com/AOMediaCodec/av1-avif/tree/master/testFiles/Link-U And I see the same issue with the yuv422 images there as well. I'm guessing Apple's AVIF implementation must be incomplete?

  • avif-sample-images

    AVIF example images, licensed under CC-BY-SA.

    • I've been testing with images pulled from here: https://github.com/link-u/avif-sample-images and I've found that 8, 10 and 12-bit AVIF images work but images with yuv422 appear black to me.

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