Phonon on windows: fixeda possible dead-lock when using QFile

the msdn was not correct and IAsyncReader::WaitForNext should not
return an error when the pin is currently flushing.
I took the opportunity to clean the way the mutex is locked on the
pin.

Task-number: 258830

1 files changed, 2 insertions, 4 deletions

diff --git a/src/3rdparty/phonon/ds9/qasyncreader.h b/src/3rdparty/phonon/ds9/qasyncreader.h
index cb789ee..95872f9 100644
--- a/src/3rdparty/phonon/ds9/qasyncreader.h
+++ b/src/3rdparty/phonon/ds9/qasyncreader.h
@@ -48,11 +48,12 @@ namespace Phonon
             STDMETHODIMP WaitForNext(DWORD,IMediaSample **,DWORD_PTR *);
             STDMETHODIMP SyncReadAligned(IMediaSample *);
             STDMETHODIMP SyncRead(LONGLONG,LONG,BYTE *);
-            virtual STDMETHODIMP Length(LONGLONG *,LONGLONG *) = 0;
+            STDMETHODIMP Length(LONGLONG *,LONGLONG *) = 0;
             STDMETHODIMP BeginFlush();
             STDMETHODIMP EndFlush();
 
         protected:
+            STDMETHODIMP syncReadAlignedUnlocked(IMediaSample *);
             virtual HRESULT read(LONGLONG pos, LONG length, BYTE *buffer, LONG *actual) = 0;
 
         private:
@@ -62,9 +63,6 @@ namespace Phonon
                 IMediaSample *sample;
                 DWORD_PTR user;
             };
-            AsyncRequest getNextRequest();
-
-            QMutex m_mutexWait;
 
             QQueue<AsyncRequest> m_requestQueue;
             QWaitCondition m_requestWait;