09/03/23 19:15:01
HRESULT SimplePlay(LPCWSTR lpwstrFile)
{
CComPtr<IGraphBuilder> m_pGraph;
CComQIPtr<IMediaControl, &IID_IMediaControl> m_pControl;
CComQIPtr<IMediaEvent, &IID_IMediaEvent> m_pEvent;
HRESULT hr = CoInitialize(NULL);
if (FAILED(hr)) return hr;
hr = m_pGraph.CoCreateInstance(CLSID_FilterGraph);
if (FAILED(hr)) return hr;
hr = m_pGraph.QueryInterface(&m_pControl);
if (FAILED(hr)) return hr;
hr = m_pGraph.QueryInterface(&m_pEvent);
if (FAILED(hr)) return hr;