[Webkit-unassigned] [Bug 272975] New: [MSE][GStreamer] Early flushes may deadlock on FLUSH_STOP

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Apr 19 06:20:59 PDT 2024


https://bugs.webkit.org/show_bug.cgi?id=272975

            Bug ID: 272975
           Summary: [MSE][GStreamer] Early flushes may deadlock on
                    FLUSH_STOP
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Media
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: cadubentzen at igalia.com

We have some tests that timeout while sending FLUSH_STOP in webKitMediaSrcStreamFlush.

- media/media-source/media-source-abort-resets-parser.html: 100% for me in release mode)
- media/media-source/media-source-seek-twice.html: 20% of the time when running that test with --fully-parallel --repeat-each=1000
- media/media-source/media-source-current-time.html: 20% of the time when running that test with --fully-parallel --repeat-each=1000)

They have in common the fact that flushes are requested very early, before the playbin pipeline is fully created and connected.

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