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quartz: Aggregate filtermapper in filtergraph.

This commit is contained in:
Alexander Dorofeyev 2008-07-17 20:24:24 +03:00 committed by Alexandre Julliard
parent d39ee67019
commit 0bea470dfc
1 changed files with 44 additions and 3 deletions
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43
dlls/quartz/filtergraph.c
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@ -176,6 +176,7 @@ typedef struct _IFilterGraphImpl {
/* IVideoFrameStep */
LONG ref;
IUnknown *punkFilterMapper2;
IFilterMapper2 * pFilterMapper2;
IBaseFilter ** ppFiltersInGraph;
LPWSTR * pFilterNames;
@ -260,6 +261,12 @@ static HRESULT WINAPI FilterGraphInner_QueryInterface(IUnknown * iface,
} else if (IsEqualGUID(&IID_IMediaPosition, riid)) {
*ppvObj = &(This->IMediaPosition_vtbl);
TRACE(" returning IMediaPosition interface (%p)\n", *ppvObj);
} else if (IsEqualGUID(&IID_IFilterMapper, riid)) {
TRACE(" requesting IFilterMapper interface from aggregated filtermapper (%p)\n", *ppvObj);
return IUnknown_QueryInterface(This->punkFilterMapper2, riid, ppvObj);
} else if (IsEqualGUID(&IID_IFilterMapper2, riid)) {
*ppvObj = This->pFilterMapper2;
TRACE(" returning IFilterMapper2 interface from aggregated filtermapper (%p)\n", *ppvObj);
} else {
*ppvObj = NULL;
FIXME("unknown interface %s\n", debugstr_guid(riid));
@ -289,6 +296,8 @@ static ULONG WINAPI FilterGraphInner_Release(IUnknown * iface)
if (ref == 0) {
int i;
This->ref = 1; /* guard against reentrancy (aggregation). */
IMediaControl_Stop((IMediaControl*)&(This->IMediaControl_vtbl));
while (This->nFilters)
@ -302,7 +311,19 @@ static ULONG WINAPI FilterGraphInner_Release(IUnknown * iface)
if (This->ItfCacheEntries[i].iface)
IUnknown_Release(This->ItfCacheEntries[i].iface);
}
/* AddRef on controlling IUnknown, to compensate for Release of cached IFilterMapper2 interface below.
* NOTE: Filtergraph_AddRef isn't suitable, because bUnkOuterValid may be FALSE but punkOuter non-NULL
* and already passed as punkOuter to filtermapper in FilterGraph_create - this will happen in case of
* CoCreateInstance of filtergraph with non-null pUnkOuter and REFIID other than IID_Unknown that is
* cleaning up after error. */
if (This->pUnkOuter) IUnknown_AddRef(This->pUnkOuter);
else IUnknown_AddRef((IUnknown*)&This->IInner_vtbl);
IFilterMapper2_Release(This->pFilterMapper2);
IUnknown_Release(This->punkFilterMapper2);
CloseHandle(This->hEventCompletion);
EventsQueue_Destroy(&This->evqueue);
This->cs.DebugInfo->Spare[0] = 0;
@ -5394,10 +5415,30 @@ HRESULT FilterGraph_create(IUnknown *pUnkOuter, LPVOID *ppObj)
memcpy(&fimpl->timeformatseek, &TIME_FORMAT_MEDIA_TIME, sizeof(GUID));
fimpl->start_time = fimpl->position = 0;
fimpl->stop_position = -1;
fimpl->punkFilterMapper2 = NULL;
/* create Filtermapper aggregated. */
hr = CoCreateInstance(&CLSID_FilterMapper2, pUnkOuter ? pUnkOuter : (IUnknown*)&fimpl->IInner_vtbl, CLSCTX_INPROC_SERVER,
&IID_IUnknown, (LPVOID*)&fimpl->punkFilterMapper2);
if (SUCCEEDED(hr)) {
hr = IUnknown_QueryInterface(fimpl->punkFilterMapper2, &IID_IFilterMapper2, (LPVOID*)&fimpl->pFilterMapper2);
}
if (SUCCEEDED(hr)) {
/* Release controlling IUnknown - compensate refcount increase from caching IFilterMapper2 interface. */
if (pUnkOuter) IUnknown_Release(pUnkOuter);
else IUnknown_Release((IUnknown*)&fimpl->IInner_vtbl);
}
hr = CoCreateInstance(&CLSID_FilterMapper2, NULL, CLSCTX_INPROC_SERVER, &IID_IFilterMapper2, (LPVOID*)&fimpl->pFilterMapper2);
if (FAILED(hr)) {
ERR("Unable to create filter mapper (%x)\n", hr);
if (fimpl->punkFilterMapper2) IUnknown_Release(fimpl->punkFilterMapper2);
CloseHandle(fimpl->hEventCompletion);
EventsQueue_Destroy(&fimpl->evqueue);
fimpl->cs.DebugInfo->Spare[0] = 0;
DeleteCriticalSection(&fimpl->cs);
CoTaskMemFree(fimpl);
return hr;
}
IFilterGraph2_SetDefaultSyncSource((IFilterGraph2*)fimpl);