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quartz: Hold a reference on the PullPin's filter while the processing thread is alive. 

Also removes dead code caused by the change.
This commit is contained in:
Chris Robinson 2007-04-03 05:55:29 -07:00 committed by Alexandre Julliard
parent 99c0335222
commit c28b534550
1 changed files with 10 additions and 27 deletions
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37
dlls/quartz/pin.c
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@ -1121,15 +1121,6 @@ HRESULT WINAPI PullPin_ReceiveConnection(IPin * iface, IPin * pReceivePin, const
return hr;
}
static void CALLBACK PullPin_SafeThreadStop(ULONG_PTR handle)
{
HANDLE hThread = (HANDLE)handle;
if (hThread)
CloseHandle(hThread);
ExitThread(0);
}
HRESULT WINAPI PullPin_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv)
{
PullPin *This = (PullPin *)iface;
@ -1163,15 +1154,6 @@ ULONG WINAPI PullPin_Release(IPin * iface)
if (!refCount)
{
if (This->hThread)
{
HRESULT hr;
if (!QueueUserAPC(PullPin_SafeThreadStop, This->hThread, (ULONG_PTR)This->hThread))
ERR("Cannot stop PullPin thread (GetLastError() = %d)!", GetLastError());
if (This->pAlloc && FAILED(hr = IMemAllocator_Decommit(This->pAlloc)))
ERR("Allocator decommit failed with error %x. Possible memory leak\n", hr);
}
if(This->pAlloc)
IMemAllocator_Release(This->pAlloc);
if(This->pReader)
@ -1195,7 +1177,6 @@ static void CALLBACK PullPin_Thread_Process(ULONG_PTR iface)
HRESULT hr;
ALLOCATOR_PROPERTIES allocProps;
PIN_INFO pinInfo;
CoInitializeEx(NULL, COINIT_MULTITHREADED);
@ -1218,8 +1199,6 @@ static void CALLBACK PullPin_Thread_Process(ULONG_PTR iface)
REFERENCE_TIME rtSampleStop;
DWORD_PTR dwUser;
pinInfo.pFilter = NULL;
TRACE("Process sample\n");
hr = IMemAllocator_GetBuffer(This->pAlloc, &pSample, NULL, NULL, 0);
@ -1240,9 +1219,6 @@ static void CALLBACK PullPin_Thread_Process(ULONG_PTR iface)
if (SUCCEEDED(hr))
hr = IAsyncReader_WaitForNext(This->pReader, 10000, &pSample, &dwUser);
if (SUCCEEDED(hr))
hr = IPin_QueryPinInfo((IPin*)&This->pin, &pinInfo);
if (SUCCEEDED(hr))
{
rtSampleStop = rtSampleStart + MEDIATIME_FROM_BYTES(IMediaSample_GetActualDataLength(pSample));
@ -1256,8 +1232,6 @@ static void CALLBACK PullPin_Thread_Process(ULONG_PTR iface)
else
ERR("Processing error: %x\n", hr);
if (pinInfo.pFilter)
IBaseFilter_Release(pinInfo.pFilter);
if (pSample)
IMediaSample_Release(pSample);
}
@ -1286,6 +1260,8 @@ static void CALLBACK PullPin_Thread_Stop(ULONG_PTR iface)
SetEvent(This->hEventStateChanged);
IBaseFilter_Release(This->pin.pinInfo.pFilter);
ExitThread(0);
}
@ -1305,9 +1281,16 @@ HRESULT PullPin_InitProcessing(PullPin * This)
DWORD dwThreadId;
assert(!This->hThread);
/* AddRef the filter to make sure it and it's pins will be around
* as long as the thread */
IBaseFilter_AddRef(This->pin.pinInfo.pFilter);
This->hThread = CreateThread(NULL, 0, PullPin_Thread_Main, NULL, 0, &dwThreadId);
if (!This->hThread)
{
hr = HRESULT_FROM_WIN32(GetLastError());
IBaseFilter_Release(This->pin.pinInfo.pFilter);
}
if (SUCCEEDED(hr))
hr = IMemAllocator_Commit(This->pAlloc);
@ -1329,7 +1312,7 @@ HRESULT PullPin_StartProcessing(PullPin * This)
assert(This->hThread);
ResetEvent(This->hEventStateChanged);
if (!QueueUserAPC(PullPin_Thread_Process, This->hThread, (ULONG_PTR)This))
return HRESULT_FROM_WIN32(GetLastError());
}