Programming with LEADTOOLS Media Foundation > C++ Code > IltmfTVTuner::SetChannel Example for C++

IltmfTVTuner::SetChannel Example for C++

void SetCaptureTVTunerChannel(IltmfCapture *pCapture) 
{ 
   IltmfTVTuner* pTuner; 
   // get the tuner object 
   HRESULT hr = pCapture->get_TVTuner(&pTuner); 
   if(SUCCEEDED(hr) && pTuner != NULL) 
   { 
      long channel, lVideoFrequency, lAudioFrequency; 
      // try to get the tuner channel 
      hr = pTuner->get_Channel(&channel); 
      if(SUCCEEDED(hr)) 
      { 
         // set the tuner channel with default subchannels 
         pTuner->SetChannel(channel, ltmfTUNER_SUBCHAN_DEFAULT,ltmfTUNER_SUBCHAN_DEFAULT); 
         // get the tuner subchannels 
         pTuner->get_VideoFrequency(&lVideoFrequency); 
         pTuner->get_AudioFrequency(&lAudioFrequency); 
      } 
      // release the tuner object 
      pTuner->Release(); 
   } 
}