[Webkit-unassigned] [Bug 241920] canPlayType and video codec filtering fail for VP8 on Mac with VP8 but not VP9 hardware codecs

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Jun 28 15:36:16 PDT 2022


--- Comment #18 from Brion Vibber <bvibber at wikimedia.org> ---
(In reply to Youssef Soliman from comment #16)
> Hey Brion, I just tested the URL you sent on an M1 MacBook and all of the
> videos were able to load properly. Not sure what is going wrong there.

An M1 MacBook will indeed play them all. The bug occurs on hardware that supports VP8, but not VP9, such as an early-2015 MacBook Pro 13".

> The patch for the alternate WebM player landed on the main branch recently
> so if you would like to test this patch locally, you should be able to turn
> on the "Alternate WebM Player" internal feature flag (Settings -> Internal
> Features) within a freshly built mini-browser `run-minibrowser`.

Thanks, I'll give that a try!

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