IltmmAnalogVideoDecoder::get_AvailableTVFormats Example for C

HRESULT IltmmAnalogVideoDecoder_get_AvailableTVFormats_Example (IltmmCapture* pCapture) 
{ 
   HRESULT        hr; 
   long           lSupportFormats, lTVFormat, lLines;  
   VARIANT_BOOL   vLocked, vVCRLocked, vEnable;  
   IltmmAnalogVideoDecoder* pAnVidDec = NULL; 
 
   hr = IltmmCapture_get_AnalogVideoDecoder(pCapture, &pAnVidDec);  
   if (FAILED(hr))  
   return hr;  
 
   hr = IltmmAnalogVideoDecoder_get_AvailableTVFormats(pAnVidDec, &lSupportFormats);  
   if (FAILED(hr))  
   { 
      IltmmAnalogVideoDecoder_Release(pAnVidDec);  
      pAnVidDec = NULL;  
      return hr;  
   } 
 
   hr = IltmmAnalogVideoDecoder_get_TVFormat(pAnVidDec, &lTVFormat);  
   if (FAILED(hr))  
   { 
      IltmmAnalogVideoDecoder_Release(pAnVidDec);  
      pAnVidDec = NULL;  
      return hr;  
   } 
 
   if ((lTVFormat != AnalogVideo_NTSC_M ) && (lSupportFormats & AnalogVideo_NTSC_M))  
   { 
      hr = IltmmAnalogVideoDecoder_put_TVFormat(pAnVidDec, AnalogVideo_NTSC_M);  
      if (FAILED(hr))  
      { 
         IltmmAnalogVideoDecoder_Release(pAnVidDec);  
         pAnVidDec = NULL;  
         return hr;  
      } 
   } 
   hr = IltmmAnalogVideoDecoder_get_HorizontalLocked(pAnVidDec, &vLocked);  
   if (FAILED(hr))  
   { 
      IltmmAnalogVideoDecoder_Release(pAnVidDec);  
      pAnVidDec = NULL;  
      return hr;  
   } 
 
   hr = IltmmAnalogVideoDecoder_get_VCRHorizontalLocking(pAnVidDec, &vVCRLocked);  
   if (FAILED(hr))  
   { 
      IltmmAnalogVideoDecoder_Release(pAnVidDec);  
      pAnVidDec = NULL;  
      return hr;  
   } 
   if (vVCRLocked == VARIANT_FALSE)  
   { 
      hr = IltmmAnalogVideoDecoder_put_VCRHorizontalLocking(pAnVidDec, VARIANT_TRUE);  
      if (FAILED(hr))  
      { 
         IltmmAnalogVideoDecoder_Release(pAnVidDec);  
         pAnVidDec = NULL;  
         return hr;  
      } 
   } 
 
   hr = IltmmAnalogVideoDecoder_get_NumberOfLines(pAnVidDec, &lLines);  
   if (FAILED(hr))  
   { 
      IltmmAnalogVideoDecoder_Release(pAnVidDec);  
      pAnVidDec = NULL;  
      return hr;  
   } 
 
   hr = IltmmAnalogVideoDecoder_get_OutputEnable (pAnVidDec, &vEnable);  
   if (FAILED(hr))  
   { 
      IltmmAnalogVideoDecoder_Release(pAnVidDec);  
      pAnVidDec = NULL;  
      return hr;  
   } 
   if (vEnable == VARIANT_FALSE)  
   { 
      hr = IltmmAnalogVideoDecoder_put_OutputEnable (pAnVidDec, VARIANT_TRUE);  
      if (FAILED(hr))  
      { 
         IltmmAnalogVideoDecoder_Release(pAnVidDec);  
         pAnVidDec = NULL;  
         return hr;  
      } 
   } 
 
   IltmmAnalogVideoDecoder_Release(pAnVidDec);  
   pAnVidDec = NULL;  
 
   return S_OK; 
}