Video chat on Safari causes iOS device to lockup/freeze in portrait mode

In this case a video chat web application causes Safari on iOS to lockup and become unresponsive. The issue appears to be related to H.264 video coming from Chrome. It does not reproduce with Safari desktop to Safari iOS. A number of WebKit bugs have been filed documenting the issue. There is no known workaround at this time.

https://bugs.webkit.org/show_bug.cgi?id=176439

https://bugs.webkit.org/show_bug.cgi?id=178357

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