IUnknown * CALLBACK QCAP_createCaptureGraphBuilder2(IUnknown *pUnkOuter,
HRESULT *phr)
{
CaptureGraphImpl * pCapture = NULL;
TRACE("(%p, %p)\n", pUnkOuter, phr);
*phr = CLASS_E_NOAGGREGATION;
if (pUnkOuter)
{
return NULL;
}
*phr = E_OUTOFMEMORY;
pCapture = CoTaskMemAlloc(sizeof(CaptureGraphImpl));
if (pCapture)
{
pCapture->ICaptureGraphBuilder2_iface.lpVtbl = &builder2_Vtbl;
pCapture->ICaptureGraphBuilder_iface.lpVtbl = &builder_Vtbl;
pCapture->ref = 1;
pCapture->mygraph = NULL;
InitializeCriticalSection(&pCapture->csFilter);
pCapture->csFilter.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": CaptureGraphImpl.csFilter");
*phr = S_OK;
ObjectRefCount(TRUE);
}
return (IUnknown *)&pCapture->ICaptureGraphBuilder_iface;
}
static HRESULT
VfwPin_Construct( IBaseFilter * pBaseFilter, LPCRITICAL_SECTION pCritSec,
IPin ** ppPin )
{
static const WCHAR wszOutputPinName[] = { 'O','u','t','p','u','t',0 };
PIN_INFO piOutput;
HRESULT hr;
*ppPin = NULL;
piOutput.dir = PINDIR_OUTPUT;
piOutput.pFilter = pBaseFilter;
lstrcpyW(piOutput.achName, wszOutputPinName);
hr = BaseOutputPin_Construct(&VfwPin_Vtbl, sizeof(VfwPinImpl), &piOutput, &output_BaseOutputFuncTable, pCritSec, ppPin);
if (SUCCEEDED(hr))
{
VfwPinImpl *pPinImpl = (VfwPinImpl*)*ppPin;
pPinImpl->IKsPropertySet_iface.lpVtbl = &IKsPropertySet_VTable;
ObjectRefCount(TRUE);
}
return hr;
}
static ULONG WINAPI unknown_inner_Release(IUnknown *iface)
{
VfwCapture *This = impl_from_IUnknown(iface);
ULONG ref = InterlockedDecrement(&This->filter.refCount);
TRACE("(%p) ref=%d\n", This, ref);
if (!ref)
{
IPin *conn = NULL;
TRACE("destroying everything\n");
if (This->init)
{
if (This->filter.state != State_Stopped)
qcap_driver_stop(This->driver_info, &This->filter.state);
qcap_driver_destroy(This->driver_info);
}
IPin_ConnectedTo(This->pOutputPin, &conn);
if (conn)
{
IPin_Disconnect(conn);
IPin_Disconnect(This->pOutputPin);
IPin_Release(conn);
}
IPin_Release(This->pOutputPin);
BaseFilter_Destroy(&This->filter);
CoTaskMemFree(This);
ObjectRefCount(FALSE);
}
return ref;
}
static ULONG WINAPI
VfwPin_Release(IPin * iface)
{
VfwPinImpl *This = impl_from_IPin(iface);
ULONG refCount = InterlockedDecrement(&This->pin.pin.refCount);
TRACE("() -> new refcount: %u\n", refCount);
if (!refCount)
{
BaseOutputPin_Destroy(&This->pin);
ObjectRefCount(FALSE);
}
return refCount;
}
static ULONG WINAPI fnCaptureGraphBuilder2_Release(ICaptureGraphBuilder2 * iface)
{
CaptureGraphImpl *This = impl_from_ICaptureGraphBuilder2(iface);
DWORD ref = InterlockedDecrement(&This->ref);
TRACE("(%p/%p)->() Release from %d\n", This, iface, ref + 1);
if (!ref)
{
This->csFilter.DebugInfo->Spare[0] = 0;
DeleteCriticalSection(&This->csFilter);
if (This->mygraph)
IGraphBuilder_Release(This->mygraph);
CoTaskMemFree(This);
ObjectRefCount(FALSE);
}
return ref;
}
IUnknown * WINAPI QCAP_createVFWCaptureFilter(IUnknown *pUnkOuter, HRESULT *phr)
{
VfwCapture *pVfwCapture;
HRESULT hr;
TRACE("%p - %p\n", pUnkOuter, phr);
*phr = E_OUTOFMEMORY;
pVfwCapture = CoTaskMemAlloc( sizeof(VfwCapture) );
if (!pVfwCapture)
return NULL;
BaseFilter_Init(&pVfwCapture->filter, &VfwCapture_Vtbl, &CLSID_VfwCapture, (DWORD_PTR)(__FILE__ ": VfwCapture.csFilter"), &BaseFuncTable);
pVfwCapture->IUnknown_inner.lpVtbl = &unknown_inner_vtbl;
pVfwCapture->IAMStreamConfig_iface.lpVtbl = &IAMStreamConfig_VTable;
pVfwCapture->IAMVideoProcAmp_iface.lpVtbl = &IAMVideoProcAmp_VTable;
pVfwCapture->IPersistPropertyBag_iface.lpVtbl = &IPersistPropertyBag_VTable;
pVfwCapture->init = FALSE;
if (pUnkOuter)
pVfwCapture->outer_unk = pUnkOuter;
else
pVfwCapture->outer_unk = &pVfwCapture->IUnknown_inner;
hr = VfwPin_Construct(&pVfwCapture->filter.IBaseFilter_iface,
&pVfwCapture->filter.csFilter, &pVfwCapture->pOutputPin);
if (FAILED(hr))
{
CoTaskMemFree(pVfwCapture);
return NULL;
}
TRACE("-- created at %p\n", pVfwCapture);
ObjectRefCount(TRUE);
*phr = S_OK;
return &pVfwCapture->IUnknown_inner;
}
