NEW238357
Support VP9 Profile 1/3 with 4:4:4 and 4:2:2 chroma subsampling 
https://bugs.webkit.org/show_bug.cgi?id=238357
Summary Support VP9 Profile 1/3 with 4:4:4 and 4:2:2 chroma subsampling
Derk-Jan Hartman
Reported 2022-03-24 16:48:13 PDT
This 4:4:4 10bit webm VP9 file cannot play on macOS Safari. https://upload.wikimedia.org/wikipedia/commons/a/a2/Elephants_Dream_%282006%29.webm This is because only Profile 0 and Profile 2 are currently supported.
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Radar WebKit Bug Importer
Comment 1 2022-03-27 19:03:56 PDT
<rdar://problem/90900868>
Derk-Jan Hartman
Comment 2 2022-03-28 13:28:14 PDT
Note that both Chrome and Firefox browsers DO support 4:4:4 10bit VP9
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