[Webkit-unassigned] [Bug 260787] New: Cannot recover video play when set srcObject to null

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=260787

            Bug ID: 260787
           Summary: Cannot recover video play when set srcObject to null
           Product: WebKit
           Version: Safari 17
          Hardware: Mac (Intel)
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebRTC
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: seimor at 126.com
                CC: youennf at gmail.com

At safari 17, I encounter a problem:

When I capture video-stream from local camera, and set it to video's srcObject

The video play normally

Then I set srcObject to null and then set stream back

The video will not play.

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You can reproduce it at webrtc sample website.

1. Open : https://webrtc.github.io/samples/src/content/getusermedia/gum/
2. Click open camera button
3. Open dev-tools
4. Run code: const video = document.querySelector('video')
5. Run code: video.srcObject = null
6. Run code: video.srcObject = stream

Finally, The video will not play even if you call video.play(). But it is fine at safari older version(such as safari 16)

Thanks.

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