Exemplo n.º 1
0
static HRESULT ReadAAFFile(aafWChar* pFileName)
{
	IAAFFile*		pFile = NULL;
	IAAFHeader*		pHeader = NULL;
	IAAFDictionary*  pDictionary = NULL;
	IEnumAAFContainerDefs *pPlug = NULL;
	IAAFContainerDef		*pPlugDef = NULL;
	IAAFDefObject		*pDef = NULL;
	bool bFileOpen = false;
	aafBool			testBool;
	aafUID_t		readUID;
	HRESULT			hr = S_OK;

	try
	{
	  // Open the AAF file
		checkResult(AAFFileOpenExistingRead(pFileName, 0, &pFile));
		bFileOpen = true;

		// Get the AAF file header.
		checkResult(pFile->GetHeader(&pHeader));

		checkResult(pHeader->GetDictionary(&pDictionary));
	
		checkResult(pDictionary->GetContainerDefs(&pPlug));
		while(pPlug->NextOne (&pPlugDef) == AAFRESULT_SUCCESS)
		{
			checkResult(pPlugDef->QueryInterface (IID_IAAFDefObject, (void **)&pDef));
			checkResult(pDef->GetAUID(&readUID));
			if(memcmp(&readUID, &testUID, sizeof(aafUID_t)) == 0)
			{
				checkResult(pPlugDef->EssenceIsIdentified (&testBool));
				checkExpression(testBool == kAAFTrue, AAFRESULT_TEST_FAILED);
				break;
			}
			pDef->Release();
			pDef = NULL;
			pPlugDef->Release();
			pPlugDef = NULL;
		}
	}
	catch (HRESULT& rResult)
	{
		hr = rResult;
	}

	// Cleanup and return
	if (pDef)
		pDef->Release();

	if (pPlugDef)
		pPlugDef->Release();

	if (pPlug)
		pPlug->Release();

  if (pDictionary)
		pDictionary->Release();

	if (pHeader)
		pHeader->Release();
      
	if (pFile)
	{  // Close file
		if (bFileOpen)
			pFile->Close();
		pFile->Release();
	}

	return hr;
}