DirectX video playback ------ manual connection

IGraphBuilder *pigb  = NULL;IMediaControl *pimc  = NULL;IMediaEventEx *pimex = NULL;IVideoWindow  *pivw  = NULL;IMediaSeeking  *pims  = NULL;

ICaptureGraphBuilder2 * g_pCaptureBuilder = NULL;

IBaseFilter *pF = 0; void CTestFilterDlg::OnButton4() {// TODO: Add your control notification handler code hereCoInitialize(NULL);    HRESULThr = CoCreateInstance(CLSID_FilterGraph,NULL,CLSCTX_INPROC_SERVER,IID_IGraphBuilder,(void **)&pigb);    hr = CoCreateInstance (CLSID_CaptureGraphBuilder2 , NULL, CLSCTX_INPROC,                           IID_ICaptureGraphBuilder2, (void **) &g_pCaptureBuilder);   pigb->QueryInterface(IID_IMediaControl, (void **)&pimc);   pigb->QueryInterface(IID_IMediaEventEx, (void **)&pimex);       pigb->QueryInterface(IID_IMediaSeeking, (void **)&pims);   pigb->QueryInterface(IID_IVideoWindow, (void **)&pivw);  hr = g_pCaptureBuilder->SetFiltergraph(pigb); // avi-source ////////////////////////////////////////////////////////////  const GUID CLSID_AviSource={0xCEA8DEFF,0x0AF7,0x4DB9,{0x9A,0x38,0xFB,0x3C,0x3A,0xEF,0xC0,0xDE}};  hr = CoCreateInstance(CLSID_AviSource, 0, CLSCTX_INPROC_SERVER, IID_IBaseFilter, reinterpret_cast<void**>(&pF));   hr = pigb->AddFilter(pF,L"SOURCE FILTER");  IFileSourceFilter *pSF = NULL;  hr = pF->QueryInterface(IID_IFileSourceFilter, (void**)&pSF);  if (SUCCEEDED(hr))  {  pSF->Load(L"F:\\FFOutput\\ff640480.avi", NULL);  pSF->Release();  }  IPin *pOut_Source = 0;   IPin      *pPin;  if(SUCCEEDED(hr))  {  {  IEnumPins *pEnum;//  IPin      *pPin;  hr = pF->EnumPins(&pEnum);  if (SUCCEEDED(hr))  {  while(pEnum->Next(1, &pPin, 0) == S_OK)  {  PIN_DIRECTION pinDirThis;  pPin->QueryDirection(&pinDirThis);  if (PINDIR_OUTPUT == pinDirThis)  {  break;  }  }  pEnum->Release();  }}  }     pOut_Source= pPin;      if (hr)      {  MessageBox("ERR RENDERAVI!");      }// ffshow-decoder  /////////////////////////////////////////////////  IBaseFilter *paviDecoder;//---871E-AB91661A4EF7  const GUID CLSID_Decoder={0x04FE9017,0xF873,0x410E,{0x87,0x1e,0xaB,0x91,0x66,0x1a,0x4e,0xf7}};  hr = CoCreateInstance(CLSID_Decoder,NULL,CLSCTX_ALL,IID_IBaseFilter,(void **)&paviDecoder);      hr = pigb->AddFilter(paviDecoder,L"ffdshow Video Decoder ");  IPin *pIn_aviDecoder = 0;  IPin *pOut_aviDecoder = 0;  hr = g_pCaptureBuilder->FindPin(paviDecoder,PINDIR_INPUT,NULL,NULL,FALSE,0,&pIn_aviDecoder);  hr = g_pCaptureBuilder->FindPin(paviDecoder,PINDIR_OUTPUT,NULL,NULL,FALSE,0,&pOut_aviDecoder);// Render filter ////////////////////////////////////////  IBaseFilter *pRenderFilter;      hr = CoCreateInstance(CLSID_VideoRenderer,NULL,CLSCTX_ALL,IID_IBaseFilter,(void **)&pRenderFilter);  hr = pigb->AddFilter(pRenderFilter,L"ffdshow Video Render ");  IPin *pIn_Render = 0;  hr = g_pCaptureBuilder->FindPin(pRenderFilter,PINDIR_INPUT,NULL,NULL,FALSE,0,&pIn_Render);///// 特效filter ///////////////////////////////////////////////  IBaseFilter *peffect;//---871E-AB91661A4EF7  const GUID CLSID_EFFECT={0x8b498501, 0x1218, 0x11cf,{ 0xad, 0xc4, 0x0, 0xa0, 0xd1, 0x0, 0x4, 0x1b}};  hr = CoCreateInstance(CLSID_EFFECT,NULL,CLSCTX_ALL,IID_IBaseFilter,(void **)&peffect);      hr = pigb->AddFilter(peffect,L"Image effect ");  IPin *pIn_peffect = 0;  IPin *pOut_peffect = 0;  hr = g_pCaptureBuilder->FindPin(peffect,PINDIR_INPUT,NULL,NULL,FALSE,0,&pIn_peffect);  hr = g_pCaptureBuilder->FindPin(peffect,PINDIR_OUTPUT,NULL,NULL,FALSE,0,&pOut_peffect); /// Connect 连接 pin/////////////////////////  hr = pigb->Connect(pOut_Source, pIn_aviDecoder);  if(FAILED(hr))  {      MessageBox("err17");  }  hr = pigb->Connect(pOut_aviDecoder, pIn_peffect);  if(FAILED(hr))  {  MessageBox("err18");  }  hr = pigb->Connect(pOut_peffect, pIn_Render); if(FAILED(hr)) {MessageBox("err19"); }///////显示//////////////////////   HWND m_hwndScreen = m_Screen2.GetSafeHwnd();      RECT rc;   hr = pivw->put_Owner((OAHWND)m_hwndScreen);   hr = pivw->put_WindowStyle(WS_CHILD | WS_CLIPCHILDREN);   m_Screen2.GetClientRect(&rc);   hr = pivw->SetWindowPosition(0, 0, (rc.right), (rc.bottom));   hr = pivw->put_Visible(OATRUE);//*/   hr = pimc->Run();}

DirectX video playback ------ manual connection