IltmmWMProfile::GetStream Example for C++

For complete code, refer to the CNVWM demo.

void GetStreamInfo(IltmmWMProfile *pProfile) 
{ 
   USES_CONVERSION; 
   IltmmWMStreamConfig *pStreamConfig = NULL; 
   BSTR bstrString; 
   long lStreamCount; 
   int i; 
   long lValue; 
   double fValue; 
   WCHAR temp[50]; 
 
   // Show all the information regarding the streams 
   pProfile->get_StreamCount(&lStreamCount); 
 
   for (i=0; i<lStreamCount; i++) 
   { 
      pProfile->GetStream(i, &pStreamConfig); 
      wsprintf(temp, TEXT("[[ Stream %d ]]\n"), i); 
      wprintf(temp); 
 
      // Get the major type of the stream 
      pStreamConfig->get_StreamType(&bstrString); 
      wprintf(TEXT("Stream type : %s\n"), bstrString); 
      SysFreeString(bstrString); 
 
      // Get Stream number 
      pStreamConfig->get_StreamNumber(&lValue); 
      wprintf(TEXT("Stream number : %d\n"), lValue); 
 
      // Get Stream name 
      pStreamConfig->get_StreamName(&bstrString); 
      wprintf(TEXT("Stream name : %s\n"), bstrString); 
      SysFreeString(bstrString); 
 
      // Get Connection name 
      pStreamConfig->get_ConnectionName(&bstrString); 
      wprintf(TEXT("Stream connection name : %s\n"), bstrString); 
      SysFreeString(bstrString); 
 
      // Get Bitrate 
      pStreamConfig->get_Bitrate(&lValue); 
      wprintf(TEXT("Stream bitrate : %d\n"), lValue); 
 
      // Get the maximum latency (time in milliseconds) between stream reception and display 
      pStreamConfig->get_BufferWindow(&lValue); 
      wprintf(TEXT("Stream buffer window : %d\n"), lValue); 
 
      // Get the major type of the media in the stream 
      pStreamConfig->get_Type(&bstrString); 
      wprintf(TEXT("Major type of the stream media : %s\n"), bstrString); 
      SysFreeString(bstrString); 
 
      // Get the maximum key frame time interval (in 100-nano seconds) 
      pStreamConfig->get_MaxKeyFrameSpacing(&fValue); 
      wprintf(TEXT("Maximum key frame time interval : %.Ef\n"), fValue); 
       
      // Get the Quality, range from 0 to 100 
      // where zero denotes maximum frame rate and 100 denotes maximum quality. 
      pStreamConfig->get_Quality(&lValue); 
      if(lValue == -1) 
         wprintf(TEXT(" ...(Unknown)\n")); 
      else 
         wprintf(TEXT("Stream quality : %d\n"), lValue); 
       
      wprintf(TEXT("\n")); 
 
      pStreamConfig->Release(); 
   } 
   pProfile->Release(); 
} 

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