DirectX video playback ------ manual connection, directx ------

DirectX video playback ------ manual connection, directx ------

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, ignore, IID_IGraphBuilder, (void **) & pigb); hr = CoCreateInstance (Region, NULL, CLSCTX_INPROC, region, (void **) & g_pCaptureBuilder); pigb-> QueryInterface (IID_IMedia) Control, (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, 0xE F, 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 (h R) {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 ;}} */hr = g_pCaptureBuilder-> FindPin (pF, PINDIR_OUTPUT, NULL, NULL, FALSE, 0, & pPin ); pEnum-> Release () ;}} pOut_Source = pPin; if (hr) {MessageBox ("err renderavi! ");} // Ffshow-decoder /////////////////////////////////// //// // IBaseFilter * paviDecoder; // --- 871E-AB91661A4EF7 const GUID CLSID_Decoder = {0x04FE9017, 0xF873, 0x0000e, {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 ); //// Special 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); peffect-> Release (); /// Connect to the 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 ");} ////// display ////////// // HWND m_hwndScreen = m_Screen2.GetSafeHwnd (); RECT rc; hr = pivw-> put_Owner (OAHWND) m_hwndScreen); hr = pivw-> put_WindowStyle (WS_CHILD | WS_CLIPCHILDREN); values (& rc); hr = pivw-> SetWindowPosition (0, 0, (rc. right), (rc. bottom); hr = pivw-> put_Visible (OATRUE); // */hr = pimc-> Run ();}

Directx must be installed to connect to the TV box.

Is the computer connected to a TV? It seems that you want a TV card. You need a vga interface on the TV side to transmit the computer signal.

DirectX 11 download connection

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