[Webkit-unassigned] [Bug 221192] New: "A MediaStreamTrack ended due to a capture failur" occurs in 30 seconds after peer connection establishes

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=221192

            Bug ID: 221192
           Summary: "A MediaStreamTrack ended due to a capture failur"
                    occurs in 30 seconds after peer connection establishes
           Product: WebKit
           Version: Safari 14
          Hardware: Mac (Intel)
                OS: Unspecified
            Status: NEW
          Severity: Major
          Priority: P2
         Component: WebRTC
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: cenweituan at gmail.com
                CC: youennf at gmail.com

"A MediaStreamTrack ended due to a capture failure" error occurs on Safari in around 30 seconds after peer connection establishes. This error can be observed most likely in Safari on BigSur 11.1 and 11.0.1, especially when multiple callers in a call. When this error occurs, safari caller will see self video tile as black, but remote callers can still see and hear safari caller well. But it does not on every device. If on 1 device it happens, it's likely to happen every time, and if on another device it does not happen, it's not likely to happen on that device. 

Seems it's same issue with more details has been reported in this thread: https://github.com/twilio/twilio-video.js/issues/1281

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