[Webkit-unassigned] [Bug 265858] New: Video Stream Flicker on iOS 17

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=265858

            Bug ID: 265858
           Summary: Video Stream Flicker on iOS 17
           Product: WebKit
           Version: Safari 17
          Hardware: iPhone / iPad
                OS: iOS 17
            Status: NEW
          Severity: Critical
          Priority: P2
         Component: Media
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: rohit.kadam at springct.com

Created attachment 468885

  --> https://bugs.webkit.org/attachment.cgi?id=468885&action=review

Video illustrates the flickering issue occurring during device orientation changes, on iOS 17

Experiencing a video stream flicker issue on iOS 17 (Safari and Chrome) when the video element size changes, specifically during device rotation.

Key details include:

Affected Browsers:
  - Safari (Version: iOS 17+)
  - Chrome (Version: iOS 17+)

Affected Platforms:
  - iOS 17

Video Source:
  - Issue specific to video stream data, not observed with a direct MP4 URL.

CSS Property:
  - Issue more prominent when objectFit property is set to cover.

Steps to Reproduce
  - Open the https://rohit-kadam-springct.github.io/ios17-video-stream-jumping-issue on an iOS 17 device.
  - Rotate the device (change orientation) and Observe video stream.

Expected Behavior
  Video stream should smoothly adapt to changing container size without flickering.

Actual Behavior
  Video stream exhibits flickering during container size changes, especially during device rotation.

Reference
Link - https://rohit-kadam-springct.github.io/ios17-video-stream-jumping-issue
Video Link - https://rohit-kadam-springct.github.io/ios17-video-stream-jumping-issue/resources/ios17-video-stream-jumping-issue.mp4
Demo code - https://github.com/rohit-kadam-springct/ios17-video-stream-jumping-issue/blob/main/index.html

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