IltmfConvert::get_SourceVideoFOURCC Example for C++

void GetConvertSourceVideoFormat(IltmfConvert *pConvert)
{
   CString  strVideoFOURCC;
   long     lVideoFOURCC;
   char     szVideoFOURCC[5];
   // get the source video format
   HRESULT hr = pConvert->get_SourceVideoFOURCC(&lVideoFOURCC);
   if (SUCCEEDED(hr))
   {
      // bit shift out the characters for string representation
      szVideoFOURCC[0] = (lVideoFOURCC & 0xff);
      szVideoFOURCC[1] = (lVideoFOURCC & 0xff00) >> 8;
      szVideoFOURCC[2] = (lVideoFOURCC & 0xff0000) >> 16;
      szVideoFOURCC[3] = (lVideoFOURCC & 0xff000000) >> 24;
      szVideoFOURCC[4] = '\0';
      // format the display string and show it
      strVideoFOURCC.Format(TEXT("Video FOURCC is %s"), szVideoFOURCC);
      MessageBox(NULL, strVideoFOURCC, TEXT("Source Video Format"), MB_OK); 
   }
}