[Webkit-unassigned] [Bug 190747] New: [WinCairo] ASSERTION FAILED: !m_preparingToPlay in MediaPlayerPrivateMediaFoundation::prepareToPlay

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=190747

            Bug ID: 190747
           Summary: [WinCairo] ASSERTION FAILED: !m_preparingToPlay in
                    MediaPlayerPrivateMediaFoundation::prepareToPlay
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: Hironori.Fujii at sony.com

[WinCairo] ASSERTION FAILED: !m_preparingToPlay in MediaPlayerPrivateMediaFoundation::prepareToPlay

WinCairo, WK1, Debug build, trunk at 237282

1. Start MiniBrowser
2. Menu > New WebKitLegacy Window
3. Go to https://www.youtube.com/
4. ASSERTION FAILED: !m_preparingToPlay

Log:

> ASSERTION FAILED: !m_preparingToPlay
> c:\webkit\ga\source\webcore\platform\graphics\win\mediaplayerprivatemediafoundation.cpp(197) : WebCore::MediaPlayerPrivateMediaFoundation::prepareToPlay

Callstack:

> WTF.dll!WTFCrash() Line 255	C++
> WebKit.dll!WTFCrashWithInfo(int __formal, const char * __formal, const char * __formal, int __formal) Line 551	C++
> WebKit.dll!WebCore::MediaPlayerPrivateMediaFoundation::prepareToPlay() Line 197	C++
> WebKit.dll!WebCore::MediaPlayerPrivateMediaFoundation::onTopologySet() Line 922	C++
> WebKit.dll!WebCore::MediaPlayerPrivateMediaFoundation::endGetEvent::__l11::<lambda>() Line 535	C++
> WebKit.dll!WTF::Function<void __cdecl(void)>::CallableWrapper<void <lambda>(void) >::call() Line 101	C++
> WTF.dll!WTF::Function<void __cdecl(void)>::operator()() Line 57	C++
> WTF.dll!WTF::dispatchFunctionsFromMainThread() Line 118	C++
> WTF.dll!WTF::ThreadingWindowWndProc(HWND__ * hWnd, unsigned int message, unsigned __int64 wParam, __int64 lParam) Line 48	C++
> [External Code]	
> WebKit.dll!WebKitMessageLoop::run(HACCEL__ * hAccelTable) Line 96	C++
> MiniBrowserLib.dll!wWinMain(HINSTANCE__ * hInstance, HINSTANCE__ * hPrevInstance, wchar_t * lpstrCmdLine, int nCmdShow) Line 89	C++
> MiniBrowserLib.dll!dllLauncherEntryPoint(HINSTANCE__ * hInstance, HINSTANCE__ * hPrevInstance, wchar_t * lpstrCmdLine, int nCmdShow) Line 106	C++
> MiniBrowser.exe!wWinMain(HINSTANCE__ * hInstance, HINSTANCE__ * hPrevInstance, wchar_t * lpstrCmdLine, int nCmdShow) Line 230	C++
> [External Code]	

No problem happens in WK2 Window.

-- 
You are receiving this mail because:
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.webkit.org/pipermail/webkit-unassigned/attachments/20181019/a523d7ce/attachment-0001.html>