static HRESULT WINAPI IAMMultiMediaStreamImpl_OpenFile(IAMMultiMediaStream* iface, LPCWSTR filename, DWORD flags)
{
IAMMultiMediaStreamImpl *This = impl_from_IAMMultiMediaStream(iface);
HRESULT ret = S_OK;
IBaseFilter *BaseFilter = NULL;
IEnumPins *EnumPins = NULL;
IPin *ipin;
PIN_DIRECTION pin_direction;
const WCHAR sourceW[] = {'S','o','u','r','c','e',0};
TRACE("(%p/%p)->(%s,%x)\n", This, iface, debugstr_w(filename), flags);
if (!filename)
return E_POINTER;
/* If Initialize was not called before, we do it here */
if (!This->pFilterGraph)
ret = IAMMultiMediaStream_Initialize(iface, STREAMTYPE_READ, 0, NULL);
if (SUCCEEDED(ret))
ret = IGraphBuilder_AddSourceFilter(This->pFilterGraph, filename, sourceW, &BaseFilter);
if (SUCCEEDED(ret))
ret = IBaseFilter_EnumPins(BaseFilter, &EnumPins);
if (SUCCEEDED(ret))
ret = IEnumPins_Next(EnumPins, 1, &ipin, NULL);
if (SUCCEEDED(ret))
{
ret = IPin_QueryDirection(ipin, &pin_direction);
if (ret == S_OK && pin_direction == PINDIR_OUTPUT)
This->ipin = ipin;
}
if (SUCCEEDED(ret) && !(flags & AMMSF_NORENDER))
ret = IGraphBuilder_Render(This->pFilterGraph, This->ipin);
if (EnumPins)
IEnumPins_Release(EnumPins);
if (BaseFilter)
IBaseFilter_Release(BaseFilter);
return ret;
}
static HRESULT WINAPI MediaDet_put_Filename(IMediaDet* iface, BSTR newVal)
{
static const WCHAR reader[] = {'R','e','a','d','e','r',0};
MediaDetImpl *This = impl_from_IMediaDet(iface);
IGraphBuilder *gb;
IBaseFilter *bf;
HRESULT hr;
TRACE("(%p)->(%s)\n", This, debugstr_w(newVal));
if (This->graph)
{
WARN("MSDN says not to call this method twice\n");
MD_cleanup(This);
}
hr = CoCreateInstance(&CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER,
&IID_IGraphBuilder, (void **) &gb);
if (FAILED(hr))
return hr;
hr = IGraphBuilder_AddSourceFilter(gb, newVal, reader, &bf);
if (FAILED(hr))
{
IGraphBuilder_Release(gb);
return hr;
}
This->graph = gb;
This->source = bf;
hr = GetSplitter(This);
if (FAILED(hr))
return hr;
return MediaDet_put_CurrentStream(iface, 0);
}
static HRESULT WINAPI IAMMultiMediaStreamImpl_OpenFile(IAMMultiMediaStream* iface, LPCWSTR pszFileName, DWORD dwFlags)
{
HRESULT ret;
IAMMultiMediaStreamImpl *This = impl_from_IAMMultiMediaStream(iface);
IFileSourceFilter *SourceFilter;
IBaseFilter *BaseFilter;
IEnumPins *EnumPins;
IPin *ipin;
PIN_DIRECTION pin_direction;
TRACE("(%p/%p)->(%s,%x)\n", This, iface, debugstr_w(pszFileName), dwFlags);
ret = CoCreateInstance(&CLSID_AsyncReader, NULL, CLSCTX_INPROC_SERVER, &IID_IFileSourceFilter, (void**)&SourceFilter);
if(ret != S_OK)
return ret;
ret = IFileSourceFilter_Load(SourceFilter, pszFileName, NULL);
if(ret != S_OK)
{
IFileSourceFilter_Release(SourceFilter);
return ret;
}
ret = IFileSourceFilter_QueryInterface(SourceFilter, &IID_IBaseFilter, (void**)&BaseFilter);
if(ret != S_OK)
{
IFileSourceFilter_Release(SourceFilter);
return ret;
}
ret = IBaseFilter_EnumPins(BaseFilter, &EnumPins);
if(ret != S_OK)
{
goto end;
}
ret = IEnumPins_Next(EnumPins, 1, &ipin, NULL);
if(ret == S_OK)
{
ret = IPin_QueryDirection(ipin, &pin_direction);
IEnumPins_Release(EnumPins);
if(ret == S_OK && pin_direction == PINDIR_OUTPUT)
This->ipin = ipin;
else
goto end;
}
else
{
IEnumPins_Release(EnumPins);
goto end;
}
/* If Initialize was not called before, we do it here */
if (!This->pFilterGraph)
{
ret = IAMMultiMediaStream_Initialize(iface, STREAMTYPE_READ, 0, NULL);
if (FAILED(ret))
goto end;
}
ret = IFilterGraph_QueryInterface(This->pFilterGraph, &IID_IGraphBuilder, (void**)&This->GraphBuilder);
if(ret != S_OK)
{
goto end;
}
ret = IGraphBuilder_AddSourceFilter(This->GraphBuilder, pszFileName, pszFileName, &BaseFilter);
end:
IBaseFilter_Release(BaseFilter);
IFileSourceFilter_Release(SourceFilter);
return ret;
}
