IltmmAudioInput::get_Bass Example for C++

void GetAudioBass(IltmmCapture *pCapture) 
{ 
   IltmmAudioInputs *pAudioInputs = NULL; 
   HRESULT hr = pCapture->get_AudioInputs(&pAudioInputs); 
   if (SUCCEEDED(hr) && pAudioInputs) 
   { 
      long lCount, i; 
      pAudioInputs->get_Count(&lCount); 
      for (i = 0; i < lCount; i++) 
      { 
         IltmmAudioInput *pAudioInput = NULL; 
         hr = pAudioInputs->Item(i, &pAudioInput); 
         if (SUCCEEDED(hr) && pAudioInput) 
         { 
            BSTR bstrName, bstrFriendlyName; 
            VARIANT_BOOL vrtEnable, vrtMono, vrtLoudness; 
            double dTrebleRange, dBassRange, dMixLevel, dPan, dTreble, dBass; 
            long lCurrentIndex; 
            pAudioInput->get_Name(&bstrName); 
            pAudioInputs->Find(bstrName, &lCurrentIndex); 
            if (lCurrentIndex != i) 
               AfxMessageBox(TEXT("Index not found")); 
            pAudioInput->get_FriendlyName(&bstrFriendlyName); 
            pAudioInput->put_Enable(VARIANT_TRUE); 
            pAudioInput->put_Mono(VARIANT_FALSE); 
            pAudioInput->put_MixLevel(1.0); 
            pAudioInput->put_Pan(0.0); 
            pAudioInput->put_Loudness(VARIANT_TRUE); 
            pAudioInput->get_TrebleRange(&dTrebleRange); 
            pAudioInput->put_Treble(dTrebleRange / 2.0); 
            pAudioInput->get_BassRange(&dBassRange); 
            pAudioInput->put_Bass(dBassRange / 2.0); 
            pAudioInput->get_Enable(&vrtEnable); 
            pAudioInput->get_Mono(&vrtMono); 
            pAudioInput->get_MixLevel(&dMixLevel); 
            pAudioInput->get_Pan(&dPan); 
            pAudioInput->get_Loudness(&vrtLoudness); 
            pAudioInput->get_Treble(&dTreble); 
            pAudioInput->get_Bass(&dBass); 
            SysFreeString(bstrName); 
            SysFreeString(bstrFriendlyName); 
            pAudioInput->Release(); 
         } 
      } 
      pAudioInputs->Release(); 
   } 
}

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LEADTOOLS Multimedia C API Help
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