style: Format source code and support grouping client
This commit is contained in:
yuanyuanxiang
@@ -12,262 +12,247 @@ CSampleGrabberCB CCaptureVideo::mCB;
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CCaptureVideo::CCaptureVideo()
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{
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m_pCapture = NULL;
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m_pGB = NULL;
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m_pMC = NULL;
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m_pVW = NULL;
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m_pBF = NULL;
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m_pGrabber = NULL;
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m_bExit = FALSE;
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m_hWnd = NULL;
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if (FAILED(CoInitialize(NULL)))
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{
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return;
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}
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m_pCapture = NULL;
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m_pGB = NULL;
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m_pMC = NULL;
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m_pVW = NULL;
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m_pBF = NULL;
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m_pGrabber = NULL;
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m_bExit = FALSE;
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m_hWnd = NULL;
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if (FAILED(CoInitialize(NULL))) {
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return;
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}
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}
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CCaptureVideo::~CCaptureVideo()
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{
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m_bExit = TRUE;
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if(m_pMC)m_pMC->StopWhenReady();
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if(m_pVW){
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m_pVW->put_Visible(OAFALSE);
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m_pVW->put_Owner(NULL);
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}
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SAFE_RELEASE(m_pMC);
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SAFE_RELEASE(m_pVW);
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SAFE_RELEASE(m_pGB);
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SAFE_RELEASE(m_pBF);
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SAFE_RELEASE(m_pGrabber);
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SAFE_RELEASE(m_pCapture);
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m_bExit = TRUE;
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if(m_pMC)m_pMC->StopWhenReady();
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if(m_pVW) {
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m_pVW->put_Visible(OAFALSE);
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m_pVW->put_Owner(NULL);
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}
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SAFE_RELEASE(m_pMC);
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SAFE_RELEASE(m_pVW);
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SAFE_RELEASE(m_pGB);
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SAFE_RELEASE(m_pBF);
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SAFE_RELEASE(m_pGrabber);
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SAFE_RELEASE(m_pCapture);
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CoUninitialize() ;
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CoUninitialize() ;
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}
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HRESULT CCaptureVideo::Open(int iDeviceID,int iPress)
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{
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Mprintf("CCaptureVideo call Open\n");
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HRESULT hResult = S_OK;
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do
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{
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hResult = InitCaptureGraphBuilder();
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if (FAILED(hResult))
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break;
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if(!BindVideoFilter(iDeviceID, &m_pBF))
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break;
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Mprintf("CCaptureVideo call Open\n");
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HRESULT hResult = S_OK;
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do {
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hResult = InitCaptureGraphBuilder();
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if (FAILED(hResult))
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break;
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if(!BindVideoFilter(iDeviceID, &m_pBF))
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break;
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hResult = m_pGB->AddFilter(m_pBF, L"Capture Filter");
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hResult = m_pGB->AddFilter(m_pBF, L"Capture Filter");
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hResult = CoCreateInstance(CLSID_SampleGrabber, NULL, CLSCTX_INPROC_SERVER,
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IID_ISampleGrabber, (void**)&m_pGrabber); //<2F><><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD>
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if(FAILED(hResult))
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break;
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hResult = CoCreateInstance(CLSID_SampleGrabber, NULL, CLSCTX_INPROC_SERVER,
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IID_ISampleGrabber, (void**)&m_pGrabber); //<2F><><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD>
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if(FAILED(hResult))
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break;
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//m_pGrabber <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 1 <20><>ʽ 2 <20>ڴ滺<DAB4><E6BBBA><EFBFBD><EFBFBD>ʽ
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CComQIPtr<IBaseFilter, &IID_IBaseFilter> pGrabBase(m_pGrabber);//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD><C6B5>ʽ
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AM_MEDIA_TYPE mt; //<2F><>Ƶ<EFBFBD><C6B5>ʽ
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ZeroMemory(&mt, sizeof(AM_MEDIA_TYPE));
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mt.majortype = MEDIATYPE_Video;
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mt.subtype = MEDIASUBTYPE_RGB24; // MEDIASUBTYPE_RGB24
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//m_pGrabber <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 1 <20><>ʽ 2 <20>ڴ滺<DAB4><E6BBBA><EFBFBD><EFBFBD>ʽ
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CComQIPtr<IBaseFilter, &IID_IBaseFilter> pGrabBase(m_pGrabber);//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD><C6B5>ʽ
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AM_MEDIA_TYPE mt; //<2F><>Ƶ<EFBFBD><C6B5>ʽ
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ZeroMemory(&mt, sizeof(AM_MEDIA_TYPE));
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mt.majortype = MEDIATYPE_Video;
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mt.subtype = MEDIASUBTYPE_RGB24; // MEDIASUBTYPE_RGB24
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hResult = m_pGrabber->SetMediaType(&mt);
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if(FAILED(hResult))
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break;
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hResult = m_pGB->AddFilter(pGrabBase,L"Grabber");
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hResult = m_pGrabber->SetMediaType(&mt);
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if(FAILED(hResult))
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break;
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if(FAILED(hResult))
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break;
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hResult = m_pGB->AddFilter(pGrabBase,L"Grabber");
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hResult = m_pCapture->RenderStream(&PIN_CATEGORY_PREVIEW, //<2F><>̬
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&MEDIATYPE_Video,m_pBF,pGrabBase,NULL);
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if(FAILED(hResult))
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{
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//<2F><>
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hResult = m_pCapture->RenderStream(&PIN_CATEGORY_CAPTURE,&MEDIATYPE_Video,m_pBF,pGrabBase,NULL);
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break;
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}
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if(FAILED(hResult))
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break;
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if(FAILED(hResult))
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break;
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hResult = m_pGrabber->GetConnectedMediaType(&mt);
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hResult = m_pCapture->RenderStream(&PIN_CATEGORY_PREVIEW, //<2F><>̬
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&MEDIATYPE_Video,m_pBF,pGrabBase,NULL);
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if(FAILED(hResult)) {
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//<2F><>
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hResult = m_pCapture->RenderStream(&PIN_CATEGORY_CAPTURE,&MEDIATYPE_Video,m_pBF,pGrabBase,NULL);
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break;
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}
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if (FAILED(hResult))
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break;
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if(FAILED(hResult))
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break;
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//3 <20><><EFBFBD><D7BD><EFBFBD><EFBFBD> FDO һ<><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݾͽ<DDBE><CDBD><EFBFBD> <20>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>
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hResult = m_pGrabber->GetConnectedMediaType(&mt);
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VIDEOINFOHEADER * vih = (VIDEOINFOHEADER*) mt.pbFormat;
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//mCB <20>Ǹ<EFBFBD><C7B8><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>ȫ<EFBFBD>ֱ<EFBFBD><D6B1><EFBFBD> <20>и<EFBFBD><D0B8>ص<EFBFBD>
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mCB.m_ulFullWidth = vih->bmiHeader.biWidth;
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mCB.m_ulFullHeight = vih->bmiHeader.biHeight;
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if (FAILED(hResult))
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break;
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FreeMediaType(mt);
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//3 <20><><EFBFBD><D7BD><EFBFBD><EFBFBD> FDO һ<><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݾͽ<DDBE><CDBD><EFBFBD> <20>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>
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hResult = m_pGrabber->SetBufferSamples( FALSE ); //<2F>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD>
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hResult = m_pGrabber->SetOneShot( FALSE );
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VIDEOINFOHEADER * vih = (VIDEOINFOHEADER*) mt.pbFormat;
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//mCB <20>Ǹ<EFBFBD><C7B8><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>ȫ<EFBFBD>ֱ<EFBFBD><D6B1><EFBFBD> <20>и<EFBFBD><D0B8>ص<EFBFBD>
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mCB.m_ulFullWidth = vih->bmiHeader.biWidth;
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mCB.m_ulFullHeight = vih->bmiHeader.biHeight;
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//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD><C6B5><EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD> Ҳ<><D2B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD><C6B5><EFBFBD><EFBFBD>ʱ<EFBFBD>ͻ<EFBFBD><CDBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>BufferCB<43><42><EFBFBD><EFBFBD>
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FreeMediaType(mt);
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//<2F><><EFBFBD><EFBFBD>OnTimer
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hResult = m_pGrabber->SetCallback(&mCB, 1);
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hResult = m_pGrabber->SetBufferSamples( FALSE ); //<2F>ص<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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hResult = m_pGrabber->SetOneShot( FALSE );
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m_hWnd = CreateWindow("#32770", "", WS_POPUP, 0, 0, 0, 0, NULL, NULL, NULL, NULL);
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//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD><C6B5><EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD> Ҳ<><D2B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD><C6B5><EFBFBD><EFBFBD>ʱ<EFBFBD>ͻ<EFBFBD><CDBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>BufferCB<43><42><EFBFBD><EFBFBD>
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SetupVideoWindow(); //<2F><><EFBFBD>δ<EFBFBD><EFBFBD><EFBFBD>
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//<2F><><EFBFBD><EFBFBD>OnTimer
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hResult = m_pGrabber->SetCallback(&mCB, 1);
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hResult = m_pMC->Run(); //<2F><><EFBFBD><EFBFBD>
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m_hWnd = CreateWindow("#32770", "", WS_POPUP, 0, 0, 0, 0, NULL, NULL, NULL, NULL);
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if(FAILED(hResult))
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break;
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} while (false);
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SetupVideoWindow(); //<2F><><EFBFBD>δ<EFBFBD><CEB4><EFBFBD>
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Mprintf("CCaptureVideo Open %s\n", FAILED(hResult) ? "failed" : "succeed");
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hResult = m_pMC->Run(); //<2F><><EFBFBD><EFBFBD>
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return hResult;
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if(FAILED(hResult))
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break;
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} while (false);
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Mprintf("CCaptureVideo Open %s\n", FAILED(hResult) ? "failed" : "succeed");
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return hResult;
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}
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HRESULT CCaptureVideo::InitCaptureGraphBuilder()
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{
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HRESULT hResult = CoCreateInstance(CLSID_CaptureGraphBuilder2 , NULL, CLSCTX_INPROC,
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IID_ICaptureGraphBuilder2, (void**)&m_pCapture); //<2F><>ʵ<EFBFBD>豸
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HRESULT hResult = CoCreateInstance(CLSID_CaptureGraphBuilder2, NULL, CLSCTX_INPROC,
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IID_ICaptureGraphBuilder2, (void**)&m_pCapture); //<2F><>ʵ<EFBFBD>豸
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if (FAILED(hResult))
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{
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return hResult;
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}
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if (FAILED(hResult)) {
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return hResult;
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}
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hResult=CoCreateInstance(CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER,
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IID_IGraphBuilder, (void**)&m_pGB); //<2F><><EFBFBD><EFBFBD><EFBFBD>豸
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hResult=CoCreateInstance(CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER,
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IID_IGraphBuilder, (void**)&m_pGB); //<2F><><EFBFBD><EFBFBD><EFBFBD>豸
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if (FAILED(hResult))
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{
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return hResult;
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}
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//<2F><><EFBFBD><EFBFBD><EFBFBD>˰<CBB0><F3B6A8B5><EFBFBD>ʵ<EFBFBD>豸<EFBFBD><E8B1B8><EFBFBD><EFBFBD>
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m_pCapture->SetFiltergraph(m_pGB);
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hResult = m_pGB->QueryInterface(IID_IMediaControl,(LPVOID*)&m_pMC);
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if (FAILED(hResult))
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{
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return hResult;
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}
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if (FAILED(hResult)) {
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return hResult;
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}
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//<2F><><EFBFBD><EFBFBD><EFBFBD>˰<CBB0><F3B6A8B5><EFBFBD>ʵ<EFBFBD>豸<EFBFBD><E8B1B8><EFBFBD><EFBFBD>
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m_pCapture->SetFiltergraph(m_pGB);
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hResult = m_pGB->QueryInterface(IID_IMediaControl,(LPVOID*)&m_pMC);
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if (FAILED(hResult)) {
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return hResult;
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}
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hResult = m_pGB->QueryInterface(IID_IVideoWindow,(LPVOID*) &m_pVW);
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if (FAILED(hResult))
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{
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return hResult;
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}
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return hResult;
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hResult = m_pGB->QueryInterface(IID_IVideoWindow,(LPVOID*) &m_pVW);
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if (FAILED(hResult)) {
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return hResult;
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}
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return hResult;
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}
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LPBITMAPINFO CCaptureVideo::GetBmpInfor()
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{
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return mCB.GetBmpInfor(); //<2F><><EFBFBD><EFBFBD>λͼ<CEBB>ڴ<EFBFBD>ͷ<EFBFBD><CDB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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return mCB.GetBmpInfor(); //<2F><><EFBFBD><EFBFBD>λͼ<CEBB>ڴ<EFBFBD>ͷ<EFBFBD><CDB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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}
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BOOL CCaptureVideo::BindVideoFilter(int deviceId, IBaseFilter **pFilter)
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{
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if (deviceId < 0)
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return FALSE;// enumerate all video capture devices
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CComPtr<ICreateDevEnum> pCreateDevEnum;
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HRESULT hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER,
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IID_ICreateDevEnum, (void**)&pCreateDevEnum);
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if (hr != NOERROR)
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{
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return FALSE;
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}
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CComPtr<IEnumMoniker> pEm;
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hr = pCreateDevEnum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory,&pEm, 0);
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if (hr != NOERROR)
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{
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return FALSE;
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}
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pEm->Reset();
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ULONG cFetched;
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IMoniker *pM;
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int index = 0;
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while(hr = pEm->Next(1, &pM, &cFetched), hr==S_OK, index <= deviceId)
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{
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IPropertyBag *pBag;
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//ͨ<><CDA8>BindToStorage <20><><EFBFBD>Է<EFBFBD><D4B7>ʸ<EFBFBD><CAB8>豸<EFBFBD>ı<EFBFBD>ʶ<EFBFBD><CAB6>
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hr = pM->BindToStorage(0, 0, IID_IPropertyBag, (void **)&pBag);
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if(SUCCEEDED(hr))
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{
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VARIANT var;
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var.vt = VT_BSTR;
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hr = pBag->Read(L"FriendlyName", &var, NULL);
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if (hr == NOERROR)
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{
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if (index == deviceId)
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{
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pM->BindToObject(0, 0, IID_IBaseFilter, (void**)pFilter);
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}
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SysFreeString(var.bstrVal);
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}
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pBag->Release(); //<2F><><EFBFBD>ü<EFBFBD><C3BC><EFBFBD>--
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}
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pM->Release();
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index++;
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}
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return TRUE;
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if (deviceId < 0)
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return FALSE;// enumerate all video capture devices
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CComPtr<ICreateDevEnum> pCreateDevEnum;
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HRESULT hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER,
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IID_ICreateDevEnum, (void**)&pCreateDevEnum);
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if (hr != NOERROR) {
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return FALSE;
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}
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CComPtr<IEnumMoniker> pEm;
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hr = pCreateDevEnum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory,&pEm, 0);
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if (hr != NOERROR) {
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return FALSE;
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}
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pEm->Reset();
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ULONG cFetched;
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IMoniker *pM;
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int index = 0;
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while(hr = pEm->Next(1, &pM, &cFetched), hr==S_OK, index <= deviceId) {
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IPropertyBag *pBag;
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//ͨ<><CDA8>BindToStorage <20><><EFBFBD>Է<EFBFBD><D4B7>ʸ<EFBFBD><CAB8>豸<EFBFBD>ı<EFBFBD>ʶ<EFBFBD><CAB6>
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hr = pM->BindToStorage(0, 0, IID_IPropertyBag, (void **)&pBag);
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if(SUCCEEDED(hr)) {
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VARIANT var;
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var.vt = VT_BSTR;
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hr = pBag->Read(L"FriendlyName", &var, NULL);
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if (hr == NOERROR) {
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if (index == deviceId) {
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pM->BindToObject(0, 0, IID_IBaseFilter, (void**)pFilter);
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}
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SysFreeString(var.bstrVal);
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}
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pBag->Release(); //<2F><><EFBFBD>ü<EFBFBD><C3BC><EFBFBD>--
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}
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pM->Release();
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index++;
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}
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return TRUE;
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}
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void CCaptureVideo::FreeMediaType(AM_MEDIA_TYPE& mt)
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{
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if (mt.cbFormat != 0) {
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CoTaskMemFree((PVOID)mt.pbFormat);
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mt.cbFormat = 0;
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mt.pbFormat = NULL;
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}
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if (mt.pUnk != NULL) {
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mt.pUnk->Release();
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mt.pUnk = NULL;
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}
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if (mt.cbFormat != 0) {
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CoTaskMemFree((PVOID)mt.pbFormat);
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mt.cbFormat = 0;
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mt.pbFormat = NULL;
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}
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if (mt.pUnk != NULL) {
|
||||
mt.pUnk->Release();
|
||||
mt.pUnk = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
HRESULT CCaptureVideo::SetupVideoWindow()
|
||||
{
|
||||
HRESULT hr;
|
||||
hr = m_pVW->put_Owner((OAHWND)m_hWnd);
|
||||
if (FAILED(hr))return hr;
|
||||
hr = m_pVW->put_WindowStyle(WS_CHILD | WS_CLIPCHILDREN);
|
||||
if (FAILED(hr))return hr;
|
||||
ResizeVideoWindow();
|
||||
hr = m_pVW->put_Visible(OATRUE);
|
||||
return hr;
|
||||
HRESULT hr;
|
||||
hr = m_pVW->put_Owner((OAHWND)m_hWnd);
|
||||
if (FAILED(hr))return hr;
|
||||
hr = m_pVW->put_WindowStyle(WS_CHILD | WS_CLIPCHILDREN);
|
||||
if (FAILED(hr))return hr;
|
||||
ResizeVideoWindow();
|
||||
hr = m_pVW->put_Visible(OATRUE);
|
||||
return hr;
|
||||
}
|
||||
|
||||
void CCaptureVideo::ResizeVideoWindow()
|
||||
{
|
||||
if (m_pVW){
|
||||
RECT rc;
|
||||
::GetClientRect(m_hWnd,&rc);
|
||||
m_pVW->SetWindowPosition(0, 0, rc.right, rc.bottom); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>0 0 0 0 <20><>
|
||||
}
|
||||
if (m_pVW) {
|
||||
RECT rc;
|
||||
::GetClientRect(m_hWnd,&rc);
|
||||
m_pVW->SetWindowPosition(0, 0, rc.right, rc.bottom); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>0 0 0 0 <20><>
|
||||
}
|
||||
}
|
||||
|
||||
void CCaptureVideo::SendEnd() //<2F><><EFBFBD>ͽ<EFBFBD><CDBD><EFBFBD> <20><><EFBFBD>ÿ<EFBFBD><C3BF><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>
|
||||
{
|
||||
InterlockedExchange((LPLONG)&mCB.bStact,CMD_CAN_COPY);
|
||||
InterlockedExchange((LPLONG)&mCB.bStact,CMD_CAN_COPY);
|
||||
}
|
||||
|
||||
LPBYTE CCaptureVideo::GetDIB(DWORD& dwSize)
|
||||
{
|
||||
BYTE *szBuffer = NULL;
|
||||
int n = 200; // 10sû<73>л<EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>NULL
|
||||
do
|
||||
{
|
||||
if (mCB.bStact==CMD_CAN_SEND) //<2F><><EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD>·<EFBFBD><EFBFBD>͵<EFBFBD>״̬
|
||||
{
|
||||
if (szBuffer = mCB.GetNextScreen(dwSize)) //<2F>Ƿ<EFBFBD><C7B7><EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>Ƶ
|
||||
break;
|
||||
}
|
||||
Sleep(50);
|
||||
} while (!m_bExit && --n);
|
||||
BYTE *szBuffer = NULL;
|
||||
int n = 200; // 10sû<73>л<EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>NULL
|
||||
do {
|
||||
if (mCB.bStact==CMD_CAN_SEND) { //<2F><><EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD><C4B1><EFBFBD>һ<EFBFBD>·<EFBFBD><C2B7>͵<EFBFBD>״̬
|
||||
if (szBuffer = mCB.GetNextScreen(dwSize)) //<2F>Ƿ<EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶ
|
||||
break;
|
||||
}
|
||||
Sleep(50);
|
||||
} while (!m_bExit && --n);
|
||||
|
||||
return szBuffer;
|
||||
return szBuffer;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user