Same here, email sent.
Thank you!
Pablo.
cclpz
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Hello,
I looked at WebKit code and they have a class to decode VP9 with VideoToolbox, which I used as reference for testing, but the code doesn't work on iOS. Maybe they are only preparing the code for a future update...
Even on iOS 14.2 and the latest Xcode Beta, VTIsHardwareDecodeSupported(kCMVideoCodecTypeVP9) is returning false and although CMVideoFormatDescriptionCreate() returns successfully with kCMVideoCodecTypeVP9, VTDecompressionSessionCreate() returns error -12906 which means "could not find decoder". So it looks that either Apple is hiding something or YouTube is using its own software decoder.