游戏中的dshow媒体播放-即学即会-详细注释

1。简单地播放文件 #include #pragma comment (lib,"Ole32.lib") #pragma comment (lib,"Strmiids.lib") #define FILENAME L"C:\\Documents and Settings\\vs6\\桌面\\temp\\FL5007822001-500-2.avi" bool g_bExit=false; //this APP will be exited when g_bExit=TURE #define ture (bool)-1 int main() { IGraphBuilder *pGraphBuilder; //这是directshow的核心 IMediaControl *pMediaControl; //帮我们连接filter(媒体文件,解码器等)          //简单的说,它帮我们简单地打开和播放文件. IVideoWindow *pVideoWindow; //用这个来控制directshow的视频窗口 //COM初始化 CoInitialize(NULL); //建立FilterGraph CoCreateInstance(CLSID_FilterGraph,NULL,CLSCTX_INPROC,IID_IGraphBuilder, (LPVOID*)&pGraphBuilder); // 向directshow询问MediaControl接口: pGraphBuilder->QueryInterface(IID_IMediaControl,(LPVOID*)&pMediaControl); //建立 Graph: pMediaControl->RenderFile(FILENAME);            //向directshow询问VideoWindow接口: pGraphBuilder->QueryInterface(IID_IVideoWindow,(LPVOID*)&pVideoWindow); // 全屏： pVideoWindow->put_Visible(OATRUE); pVideoWindow->put_FullScreenMode(OATRUE);            //开始播放： pMediaControl->Run(); // 等待： MessageBox(NULL,"Block Execution","Block",MB_OK);                     //停止： pMediaControl->Stop(); // release resource: pVideoWindow->Release(); pMediaControl->Release(); pGraphBuilder->Release(); // COM 销毁: CoUninitialize(); return 0; }