[Webkit-unassigned] [Bug 179417] HLS WebGL video textures black rendering since IOS 11

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=179417

Jeremy Gordon <jeremy at projector.com> changed:

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                 CC|                            |jeremy at projector.com

--- Comment #49 from Jeremy Gordon <jeremy at projector.com> ---
I am seeing what seems to be this bug (or related) again on iOS 14.3 on an iPhone 12 Pro. It does not happen on non iPhone 12 iOS devices. Also is an issue with iOS 14.2.1; I'm not sure at what iOS version the iPhone 12 started rendering HLS video all black when used as a text source in WebGL.

Our WebGL app uses .m3u8 HLS streams and renders them using a from scratch WebGL renderer with a <video> element as the texture source.

This has been working for the last year or more, and still works fine on iOS devices other than iPhone 12s.

If I change to "fast start" MP4 files, things work fine on all iOS devices for us.

We have hundreds of thousands of transcoded .m3u8 HLS streams so it's not a simple matter to switch to MP4 files.

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