[Webkit-unassigned] [Bug 259364] New: REGRESSION (iOS 17 Beta): The camera preview is with a wrong resolution for a short time when the iOS User enables/disables the camera

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=259364

            Bug ID: 259364
           Summary: REGRESSION (iOS 17 Beta): The camera preview is with a
                    wrong resolution for a short time when the iOS User
                    enables/disables the camera
           Product: WebKit
           Version: Safari 17
          Hardware: iPhone / iPad
                OS: Other
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebRTC
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: madara.freimane at testdevlab.com
                CC: youennf at gmail.com

Summary:
The camera preview is with a wrong resolution for a short time when the iOS User enables/disables the camera OR joins a WebRTC call with video ON

Tested devices:
The bug is reproducible on:
- iPhone 12 Pro (iOS 17.0 Public Beta) with Safari (V17.0)
- iPhone 11 Pro Max (iOS 17 Public Beta, build: 21A5277j) and Safari
- iPhone 11 Pro Max (iOS 17 Public Beta, build: 21A5277j) and Google Chrome (V115.0.5790.130)

The bug is not reproducible on:
- iPhone 13 (iOS 16.5.1) and Safari
- iPhone 14 (iOS 16.5.1) and Safari
- iPhone XS (iOS 16.4.1) and Safari

Scenario:
Precondition:
Safari or Google Chrome browser opened on iOS 17 device

Steps:
Use case1:
1. iOS User joins WEbRTC call with video ON
2. iOS User observes local video preview while being in connecting state

Use case2:
1. iOS User disables and enables camera back 
2. iOS User observes the camera preview while changing the status of the camera

Actual result:
The camera preview is with a wrong resolution for a short time when the iOS User enables/disables the camera OR joins a call with video ON

Expected result:
The camera preview appears immediately with the correct resolution when the iOS User enables/disables the camera in a WebRTC call

Reproducibility:
90%


Additional information:
-Sysdiagnostics file added:
https://drive.google.com/file/d/1Z3IxXUjNdt4zWOubg4H52WrDGBXH3CGZ/view?usp=sharing
(bug reproduced at 23:25, EET, 20.07.2023.)

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