[Webkit-unassigned] [Bug 220362] New: Muted video track stops sending packets if receive RTCP PLI request

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=220362

            Bug ID: 220362
           Summary: Muted video track stops sending packets if receive
                    RTCP PLI request
           Product: WebKit
           Version: Safari 14
          Hardware: Unspecified
                OS: macOS 11
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebRTC
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: igor at flashphoner.com
                CC: youennf at gmail.com

Browser version: Safari 14.0.2 (16610.3.7.1.9)

Issue: muted video track stops to send any video packet after receiving RTCP PLI message

How to reproduce: 
1. Safari: open https://demo.flashphoner.com/client2/examples/demo/streaming/media_devices_manager/media_device_manager.html
2. Click Connect, then Publish
3. See Pli Count
4. Switch Video Mute to On, wait for Pli Count increase, then unmute video by switching to Off
5. After getting PLI in muted state Safari will stop video packets.

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