[Webkit-unassigned] [Bug 247091] New: REGRESSION (iOS 16.1) Incoming audio and incoming/outgoing video not available for WebRTC call when User rejoins the call with video option

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=247091

            Bug ID: 247091
           Summary: REGRESSION (iOS 16.1) Incoming audio and
                    incoming/outgoing video not available for WebRTC call
                    when User rejoins the call with video option
           Product: WebKit
           Version: Safari 16
          Hardware: iPhone / iPad
                OS: iOS 16
            Status: NEW
          Severity: Critical
          Priority: P2
         Component: WebRTC
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: madara.freimane at testdevlab.com
                CC: youennf at gmail.com

Summary:
Incoming audio and incoming/outgoing video not available for WebRTC call when User rejoins the call with video option

Tested devices and browsers:
Bug is reproducible with Safari on:
- iPhone 14 (16.1, build: 20B82)
- iPhone 13 (16.1, build: 20B82)
- iPhone 8 (16.1, build: 20B79)
- iPhone 11 Pro Max (16.2 Beta, build: 20c5032e)

Bug is not reproducible with Safari on:
- iPhone 13 (iOS 15.7.1, build: 19H115)
- iPhone 12 Pro Max (16.0, build: 20A362)
- iPhone 11 (16.1, build: 20B82)

Use case:
Preconditions:
User is in an active call (audio and video ON) using Safari browser

Steps:
1. User rejoins a WebRTC call using video option

Actual result:
Incoming audio and incoming/outgoing video not available for WebRTC call when User rejoins the call with video option

Expected result:
Incoming/outgoing audio and video are available for WebRTC call when User rejoins the call with video option

Reproducibility:
70%

Additional information:
Sysdiagnostics file added (recorded on iPhone 11 Pro Max (iOS 16.2 Beta):
https://drive.google.com/file/d/1JJOsEEE2wqti5GoWdQFllwZy4pA5BpUd/view?usp=sharing

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