Programming with LEADTOOLS Multimedia > C++ Code > ILMDVRSource::GetFragmentAlignment Example for C++

ILMDVRSource::GetFragmentAlignment Example for C++

HRESULT GetDVRAvailableFragments(ILMDVRSource* pDVR, double* pdFragmentStartPos, double* pdFragmentEndPos) 
{ 
   double dStartPos; 
   double dEndPos; 
   double dTotal; 
   // find available range of bytes 
   HRESULT hr = pDVR->GetAvailabilityInfo(&dStartPos, &dEndPos, &dTotal); 
   if (FAILED(hr)) 
      return hr; 
   // align the offset with transport fragment boundaries 
   return pDVR->GetFragmentAlignment(dStartPos, dEndPos, pdFragmentStartPos, pdFragmentEndPos); 
} 
 
HRESULT SaveDVRFragments(ILMDVRSource* pDVR, LPCWSTR pszFile) 
{ 
   HRESULT hr; 
   double dStartPos; 
   double dEndPos; 
   // Get fragment aligned boundaries for all available data  
   hr = GetDVRAvailableFragments(pDVR, &dStartPos, &dEndPos); 
   if (FAILED(hr)) 
      return hr; 
   // Save the fragments to a file 
   return pDVR->CopyBufferToFile(CComBSTR(pszFile), dStartPos, dEndPos); 
}