[Webkit-unassigned] [Bug 260991] New: YouTube video becomes white after returning from fullscreen several times

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=260991

            Bug ID: 260991
           Summary: YouTube video becomes white after returning from
                    fullscreen several times
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Media
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mcatanzaro at redhat.com

Created attachment 467513

  --> https://bugs.webkit.org/attachment.cgi?id=467513&action=review

GStreamer debug log

Using Ephy Tech Preview with WebKitGTK 2.41.91 and GStreamer 1.22.5, play any video on YouTube and enter fullscreen mode by clicking on the fullscreen icon in the video. Then return from fullscreen and reenter fullscreen again. And again, and again. After repeating enough times (something like 5-15 times seems to be enough for me), the video will eventually break and become pure white, while the audio continues playing without issue. Because this issue is reproducible, I was able to get a GStreamer debug log, which I will attach.

Aside: this will also reproduce bug #260989, but I think that is probably unrelated because it starts happening well before the video playback eventually breaks.

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