HRESULT ConfigureVMR9(HWND window)
{
assert(g_graph != NULL);
HRESULT hr = S_OK;
RECT rect;
SmartPtr<IVMRFilterConfig9> filterConfig;
// Create the VMR-9.
FAIL_RET( CoCreateInstance(CLSID_VideoMixingRenderer9, NULL, CLSCTX_INPROC_SERVER, IID_IBaseFilter, (void**)&g_filter) );
// Configure the VMR-9.
// Set the maximum number of video streams, and set windowless mode.
FAIL_RET( g_filter->QueryInterface(IID_IVMRFilterConfig9, reinterpret_cast<void**>(&filterConfig)) );
FAIL_RET( filterConfig->SetNumberOfStreams( MAX_VIDEO_STREAMS ) );
FAIL_RET( filterConfig->SetRenderingMode( VMR9Mode_Windowless ) );
FAIL_RET( g_filter->QueryInterface(IID_IVMRWindowlessControl9, reinterpret_cast<void**>(&g_windowlessControl)) );
FAIL_RET( g_windowlessControl->SetVideoClippingWindow( window ) );
GetClientRect( window, & rect );
FAIL_RET( g_windowlessControl->SetVideoPosition(NULL, & rect) );
// Set the custom compositor on the VMR-9.
g_compositor.Attach( new CMyCompositor9() );
FAIL_RET( filterConfig->SetImageCompositor( g_compositor ));
// Add the VMR-9 to the filter graph.
FAIL_RET( g_graph->AddFilter(g_filter, L"Video Mixing Renderer 9") );
return hr;
}
HRESULT SetAllocatorPresenter( IBaseFilter *filter, HWND window )
{
if( filter == NULL )
{
return E_FAIL;
}
HRESULT hr;
SmartPtr<IVMRSurfaceAllocatorNotify9> lpIVMRSurfAllocNotify;
FAIL_RET( filter->QueryInterface(IID_IVMRSurfaceAllocatorNotify9, reinterpret_cast<void**>(&lpIVMRSurfAllocNotify)) );
// create our surface allocator
g_allocator.Attach(new CAllocator( hr, window ));
if( FAILED( hr ) )
{
g_allocator = NULL;
return hr;
}
// let the allocator and the notify know about each other
FAIL_RET( lpIVMRSurfAllocNotify->AdviseSurfaceAllocator( g_userId, g_allocator ) );
FAIL_RET( g_allocator->AdviseNotify(lpIVMRSurfAllocNotify) );
return hr;
}