[Webkit-unassigned] [Bug 143088] [WinCairo] Crash when closing window while video is loading

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon Mar 30 14:21:08 PDT 2015


--- Comment #7 from peavo at outlook.com ---
(In reply to comment #5)
> After additional testing, here are some complementary informations:
> - The crash is triggered by ~MediaPlayerPrivateMediaFoundation when
> releasing m_topology (IMFTopology)
> - The crash occurs on a Win7 VM with mf.dll 12.0.7601.17514
> - The crash does not occur on an other Win7 VM with mf.dll 12.0.7601.18741
> but m_topology is not set in MediaPlayerPrivateMediaFoundation destructor in
> that case (video is still loading).
> I'm going to do some more testing to better understand if m_toppology should
> be set but this seems to be related to MediaFoundation version.

Could you try the uploaded patch?
I'm not sure this will fix your problem, but I believe it fixes a potential crash if a call on the main thread made by a worker thread is invoked after the media player is destroyed.

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