TCC89播放代码与 LOG 对应

阅读与测试 Telechips 平台下音频播放 Filter，同时对比 WinCE 下标准的 Overlay 音频播放过程。了解音频播放过程，记录如下：

(1) CheckCoCreateInstance(hr, CLSID_FilterGraph, IID_IGraphBuilder, (void **)&mpGraph, TEXT("CLSID_FilterGraph fail"));   原型: BOOL CFilterControl::CheckCoCreateInstance(HRESULT &hr, REFCLSID rclsid, REFIID riid, LPVOID* ppv, LPCTSTR pszErrorMessage)  调用 CoCreateInstance 的代码 : hr = ::CoCreateInstance(rclsid, NULL, CLSCTX_INPROC_SERVER, riid, ppv);加载模块: quartz.dll加载模块: mmtimer.dll加载模块: waveapic.dll(2) hr = CoCreateInstance((REFCLSID)CLSID_AudioRender, NULL, CLSCTX_INPROC, (REFIID)IID_IBaseFilter, (void **)&m_pAudioRenderFilter);    hr = mpGraph->AddFilter(m_pAudioRenderFilter,L"Audio Renderer");        hr = mpGraph->AddFilter(m_pAudioOutputControlFilter,L"TCC Audio Output Control Filter");加载模块: TCCAudioOutputControlFilter.dll对应实现: TWS893x_200\Filters\TCCAudioOutputControlFilter\TCCAudioOutputControlFilter.cpp  CFactoryTemplate g_Templates[] =   {    {      L"TCC Audio Output Control Filter",      &CLSID_TCCAudioOutputControlFilter,      CAudioOutputControlFilter::CreateInstance,      // Create a new instance of this class      NULL,      &sudTCCAudioOutputControlFilter    },  };(3) hr = CoCreateInstance((REFCLSID)CLSID_TCCDEQ, NULL, CLSCTX_INPROC, (REFIID)IID_IBaseFilter, (void **)&m_pDEQFilter);    // DEQ Filter Add    if(SUCCEEDED(hr))      hr = mpGraph->AddFilter(m_pDEQFilter,L"TCC DEQ Filter");加载模块: TCCDEQFilter.dll(4) hr = mpGraph->RenderFile(FileName,NULL);加载模块: TCCCDKAudioDecFilter.dll加载模块: TCCCDKDemuxFilter.dll[ CDK  DEMUX ] Audio Demuxer is MP3========================================================[ CDK  DEMUX ]Start Time        : 1999-10-29 07:21:08[ CDK  DEMUX ]Demux Type        : AUDIO(8)[ CDK  DEMUX ]Video Width       : 0[ CDK  DEMUX ]Video Height      : 0[ CDK  DEMUX ]Video Frame Rate  : 0.00[ CDK  DEMUX ]Video BitRate     : Unknown[ CDK  DEMUX ]Extra Data Length : 0[ CDK  DEMUX ]Seekable          : Seekable[ CDK  DEMUX ]AspectRatio       : 4 x 3--------------------------------------------------------[ CDK  DEMUX ]Audio Track Num    : 1 [0]Audio nFormatId   : MP3(0x55) [0]Avg Bytes Per Sec : 16000 [0]Bits Per Sample   : 16 [0]Block Align       : 0 [0]nChannels         : 2 [0]SamplePerSec      : 44100 [0]nExtraDataLength  : 0--------------------------------------------------------[ CDK  DEMUX ]Total Subtitle Num   : 0[ CDK  DEMUX ]Current Subtitle Num : 0========================================================[ CDK  AUDIO ][CCDKAudioDecFilter::CheckInputType,1180] AUDIO_ID_MP3 --------------------------------------------------------[ CDK  DEMUX ]Audio Stream ID                : Audio0[ CDK  DEMUX ]Audio Ouptut Buffer Num        : 128[ CDK  DEMUX ]Audio Ouptut 1 Buffer Size     : 32[Kbytes][ CDK  DEMUX ]Audio Ouptut Buffer total Size : 4[Mbytes]----------------------------------------------------------------------------------------------------------------[ CDK  AUDIO ]Audio Ouptut Buffer Num        : 16[ CDK  AUDIO ]Audio Ouptut 1 Buffer Size     : 512[Kbytes][ CDK  AUDIO ]Audio Ouptut Buffer total Size : 8[Mbytes]----------------------------------------------------------------------------------------------------------------[ CDK  AUDIO ]Audio Ouptut Buffer Num        : 16[ CDK  AUDIO ]Audio Ouptut 1 Buffer Size     : 512[Kbytes][ CDK  AUDIO ]Audio Ouptut Buffer total Size : 8[Mbytes]--------------------------------------------------------(5) HRESULT hr = mpGraph->QueryInterface(IID_IMediaControl, (void **)&p_mc);   if (hr == S_OK)   {    hr = p_mc->Run();    mIsRunning = TRUE;    if (FAILED(hr))      printf("Fail : RunGraph(ret=0x%x)\r\n", hr);    // Leo 失败后 mIsRunning 的值？    SAFE_RELEASE(p_mc);   }[ CDK  DEMUX ]CDK Audio DMX Seek Time : 0========================================================[ CDK  DEMUX ]Seek Position : 0(00:00:00)[ CDK  DEMUX ]Real Position : 0(00:00:00)[ CDK  DEMUX ]Seek duration : 3[ms]========================================================+  +  +  +  +  +  + +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  微软标准 DirectShow 播放音频IGraphBuilder *m_pGB;IMediaControl *m_pMC;IMediaEventEx *m_pME;IBasicAudio   *m_pBA;IMediaSeeking *m_pMS;// Initialize COM if(CoInitializeEx(NULL,COINIT_MULTITHREADED) != S_OK){  goto END;}// Get the interface for DirectShow's GraphBuilderif(CoCreateInstance(CLSID_FilterGraph,NULL,CLSCTX_INPROC_SERVER,IID_IGraphBuilder,(void **)&m_pGB) != S_OK){  goto END;}// Have the graph construct its the appropriate graph automaticallyif(m_pGB->RenderFile(m_szFileName, NULL) != NOERROR){  goto END;}// QueryInterface for DirectShow interfacesif(m_pGB->QueryInterface(IID_IMediaControl, (void **)&m_pMC) != NOERROR){  goto END;}if(m_pGB->QueryInterface(IID_IMediaEventEx, (void **)&m_pME) != NOERROR){  goto END;}if(m_pGB->QueryInterface(IID_IMediaSeeking, (void **)&m_pMS) != NOERROR){  goto END;}// Query for audio interfaces, which may not be relevant for video-only filesif(m_pGB->QueryInterface(IID_IBasicAudio, (void **)&m_pBA) != NOERROR){ goto END;}