I'm not quite convinced a 25% reduction in size is worth effectively obsoleting all devices that have hardware decoders for AV1 but will struggle to decode AV2
Modern video services perform multiple encodings with different codecs, bitrates and screen dimensions, and serve up the most appropriate format that the client device can decode. Youtube has hundreds of format variants:
Even devices that don't aren't becoming obsolete. My M1 macbook does not have a hardware decoder and youtube seems to choose AV1 whenever it's available. The software decoder does not noticeably warm the laptop.
A new codec doesn't obsolete old devices. At least, not right away.
Studios still release new dvds with mpeg2 video. Online videos tend to be available in many codecs. Video conferencing tends to negotiate to best available or has settled on ancient codecs and won't change quickly.
Same comment, same wording was had when going from H.264/AVC to H.265/HEVC and again to AV1. Across the board it's 30% better Size vs Quality and with an X amount increase in compute required to encode and decode.
Each time these standards were put into ink, they were years from being practical.
I mean there was this CCC [0] talk two years ago where they managed to get access to the poorly secured location data of all the cars, including historic movement patterns.
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