[Webkit-unassigned] [Bug 241303] REGRESSION (Safari 15): Local video is sometimes black when joining video call WebRTC

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=241303

daginge at confrere.com changed:

           What    |Removed                     |Added
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                 CC|                            |daginge at confrere.com

--- Comment #7 from daginge at confrere.com ---
I think this is related to https://github.com/twilio/twilio-video.js/issues/1724#issuecomment-1146448951. I can confirm Confrere has been seeing this also, but only intermittently.

Short summary: There seems to be a bug with CSS Transforms of 180 degrees that can make the local video disappear. I've reported a similar bug before, but I don't think it's related. https://bugs.webkit.org/show_bug.cgi?id=202576#c6

Workaround is to to use a simpler 2d transform (rotateY() is a 3d transform) instead: transform: scaleX(-1); (Shamelessly copy-pasted from Github.

All kudos goes to timmydoza who replicated.

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