DShow enables playback of an avi Video (including personal explanations and comments) and dshowavi

DShow enables playback of an avi Video (including personal explanations and comments) and dshowavi

This project is the console C ++ code under win32 (do not forget to configure the DShow Library)

 

1 // movie_test.cpp: defines the entry point of the console application. 2 // 3 # include "stdafx. h "4 # include <DShow. h> 5 6 # pragma comment (lib, "strmiids. lib ") // You can also add 7 8 int _ tmain (int argc, _ TCHAR * argv []) 9 {10 IGraphBuilder * pGraph = NULL in the attribute; // icon Manager interface 11 IMediaControl * pControl = NULL; // media Controller Interface 12 IMediaEvent * pEvent = NULL; // media event interface 13 14 // initialize com Library 15 HRESULT hr = CoInitialize (NULL); 16 if (FAILED (hr )) 17 {18 printf ("failed to initialize com component \ n"); 19 return-1; 20} 21 22 // create filter linked list manager 23 hr = CoCreateInstance (CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER, IID_IGraphBuilder, (void **) & pGraph); 24 if (FAILED (hr) 25 {26 printf ("FAILED to initialize com component \ n "); 27 return-1; 28} 29 30 // QueryInterface for querying media control and media events 31 hr = pGraph-> QueryInterface (IID_IMediaControl, (void **) & pControl ); 32 hr = pGraph-> QueryInterface (IID_IMediaEvent, (void **) & pEvent); 33 34 // create a linked list, here, you can change the name of the file to be played 35 hr = pGraph-> RenderFile (L "E: \ DXSDK 9.0B \ Samples \ Media \ ruby. avi ", NULL); 36 if (SUCCEEDED (hr) 37 {38 // Run the linked list 39 hr = pControl-> Run (); 40 if (SUCCEEDED (hr )) 41 {42 // wait until playback ends 43 long evCode; 44 pEvent-> WaitForCompletion (INFINITE, & evCode); 45 // remember: in actual applications, the infinite id cannot be used, because he will be unsure of the blocking program 46} 47} 48 49 // Release all resources 50 pControl-> Release (); 51 pEvent-> Release (); 52 pGraph-> Release (); 53 CoUninitialize (); 54 printf ("this is example \ n"); 55 return 0; 56}