Bug 238357

Summary:	Support VP9 Profile 1/3 with 4:4:4 and 4:2:2 chroma subsampling
Product:	WebKit	Reporter:	Derk-Jan Hartman <hartman.wiki>
Component:	Media	Assignee:	Nobody <webkit-unassigned>
Status:	NEW ---
Severity:	Normal	CC:	a9016009, jean-yves.avenard, jer.noble, webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	Safari 15
Hardware:	Unspecified
OS:	Unspecified

Description Derk-Jan Hartman 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.

Comment 1 Radar WebKit Bug Importer 2022-03-27 19:03:56 PDT

<rdar://problem/90900868>

Comment 2 Derk-Jan Hartman 2022-03-28 13:28:14 PDT

Note that both Chrome and Firefox browsers DO support 4:4:4 10bit VP9