[Webkit-unassigned] [Bug 187633] New: iOS 12 beta 3 doesn't send audio to remote peer

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=187633

            Bug ID: 187633
           Summary: iOS 12 beta 3 doesn't send audio to remote peer
           Product: WebKit
           Version: Other
          Hardware: iPhone / iPad
                OS: Other
            Status: NEW
          Severity: Blocker
          Priority: P2
         Component: WebRTC
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: webkit at xylil.com
                CC: youennf at gmail.com

Steps to reproduce:

1. Visit https://staging-connect.circleanywhere.com/public/webrtc-test/#ios-12-missing-audio in a desktop browser
2. Visit the same link on a device running iOS 11.4.1, notice that both peers receive audio from the other
3. Close up browser from step 1, then reopen to same page
4. Visit the same link on a device running iOS 12 beta 3, notice that the iOS device receives audio from the browser peer, but the browser does not receive audio from the iOS peer.

Another illustrative test:
1. Visit https://connect.circleanywhere.com/orientation/connectivity-check?stats-collection-length=100000 from an iOS 11.4.1 device
2. Log in with any Google account
3. Click 'Next' to start the connectivity test
4. Notice 'Audio bytes sent' under the 'Main room' heading shows audio data being sent from the iOS device (gathered from the getStats() method on the peer)
5. Repeat steps 1-3 from an iOS 12 beta 3 device
6. Notice 'Audio bytes sent' under the 'Main room' heading shows NO audio data being sent from the iOS device

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