[Webkit-unassigned] [Bug 235215] New: canvas captureStream not auto play

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=235215

            Bug ID: 235215
           Summary: canvas captureStream not auto play
           Product: WebKit
           Version: Safari 15
          Hardware: iPhone / iPad
                OS: iOS 15
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Canvas
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: chris.mo at sixfacet.com
                CC: dino at apple.com

Canvas captrueStream play in video show blank, you can reproduce it on iOS 15.2 devices.
1. Visit https://webrtc.github.io/samples/src/content/capture/canvas-video/ in the iOS device, the right hand side video box just show the black box.

2. When you back and forth to another browser tab, you will find that the right hand side video box able to play the video now.

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