C++ IAAFSegment::QueryInterface方法代码示例

static HRESULT ReadAAFFile(aafWChar * pFileName)
{
    // IAAFSession *				pSession = NULL;
	IAAFFile *					pFile = NULL;
	bool						bFileOpen = false;
	IAAFHeader *				pHeader = NULL;
	IAAFDictionary*				pDictionary = NULL;
	IEnumAAFMobs*				pMobIter = NULL;
	IEnumAAFMobSlots*			pEnum = NULL;
	IAAFMob*					pMob = NULL;
	IAAFMobSlot*				pMobSlot = NULL;
	IAAFSegment*				pSegment = NULL;
	IAAFSequence*				pSequence = NULL;
	IAAFTransition*				pTransition = NULL;
	IAAFComponent*				pComponent = NULL;
	IAAFFiller*					pFiller = NULL;
	IAAFOperationGroup*					pOperationGroup = NULL;
	IEnumAAFComponents*			pCompIter = NULL;
	aafLength_t					transitionLength;
	aafPosition_t				cutPoint;

	aafNumSlots_t				numMobs;
	aafUInt32					numComponents = 0;
	HRESULT						hr = S_OK;

	try
	{
		// Open the file
		checkResult(AAFFileOpenExistingRead(pFileName, 0, &pFile));
		bFileOpen = true;
 
		// We can't really do anthing in AAF without the header.
		checkResult(pFile->GetHeader(&pHeader));

		// Get the number of mobs in the file (should be one)
		checkResult(pHeader->CountMobs(kAAFAllMob, &numMobs));
		checkExpression(1 == numMobs, AAFRESULT_TEST_FAILED);

		checkResult(pHeader->GetMobs( NULL, &pMobIter));
		while (AAFRESULT_SUCCESS == pMobIter->NextOne(&pMob))
		{
			checkResult(pMob->GetSlots (&pEnum));

			while (AAFRESULT_SUCCESS == pEnum->NextOne (&pMobSlot))
			{
				checkResult(pMobSlot->GetSegment (&pSegment));
				// Check to see if Segment is a Sequence
				checkResult(pSegment->QueryInterface(IID_IAAFSequence, (void **) &pSequence));
				// It is, so get a Component Iterator
				checkResult(pSequence->CountComponents(&numComponents));
				// Verify that all 3 components(Filler, Transition, Filler) are present
				checkExpression(numComponents == 3,  AAFRESULT_TEST_FAILED);
				checkResult(pSequence->GetComponents(&pCompIter));
				// Now visit each and every one of the components.
				while(AAFRESULT_SUCCESS == pCompIter->NextOne(&pComponent))
				{
					// Find out what kind of segment we have
					if ((pComponent->QueryInterface(IID_IAAFTransition, (void **)&pTransition)) == AAFRESULT_SUCCESS)
					{
						// This is the transition 
						checkResult(pTransition->GetCutPoint (&cutPoint));
						checkResult(pComponent->GetLength(&transitionLength));
						checkResult(pTransition->GetOperationGroup(&pOperationGroup));
						// Check results !!
						checkExpression(cutPoint == 0, AAFRESULT_TEST_FAILED);
						checkExpression(transitionLength == 100, AAFRESULT_TEST_FAILED);
						pTransition->Release();
						pTransition = NULL;
					}
					else
					{
						// validate that the other segments are Fillers
						checkResult(pComponent->QueryInterface(IID_IAAFFiller, (void **)&pFiller));
						pFiller->Release();
						pFiller = NULL;
					}
					pComponent->Release();
					pComponent = NULL;
				}
				pSegment->Release();
				pSegment = NULL;
				pSequence->Release();
				pSequence = NULL;
				pCompIter->Release();
				pCompIter = NULL;
			}

			pMob->Release();
			pMob = NULL;
		}
	}
	catch (HRESULT& rResult)
	{
		hr = rResult;
	}
	

	// Cleanup and return
	if (pTransition)
		pTransition->Release();
//.........这里部分代码省略.........

static HRESULT CreateAAFFile(
    aafWChar * pFileName,
    aafUID_constref fileKind,
    testRawStorageType_t rawStorageType,
    aafProductIdentification_constref productID)
{
	// IAAFSession*				pSession = NULL;
	IAAFFile*					pFile = NULL;
	IAAFHeader*					pHeader = NULL;
  IAAFDictionary*  pDictionary = NULL;
	IAAFMob*					pMob = NULL;
	IAAFMob*					pReferencedMob = NULL;
	IAAFTimelineMobSlot*		newSlot = NULL;
	IAAFSegment*				seg = NULL;
	bool bFileOpen = false;
	HRESULT						hr = AAFRESULT_SUCCESS;
	IAAFComponent*				pComponent = NULL;

	try
	{
	    // Remove the previous test file if any.
	    RemoveTestFile(pFileName);

		// Create the file
		checkResult(CreateTestFile( pFileName, fileKind, rawStorageType, productID, &pFile ));
		bFileOpen = true;
 
		// We can't really do anthing in AAF without the header.
		checkResult(pFile->GetHeader(&pHeader));

		// Get the AAF Dictionary so that we can create valid AAF objects.
		checkResult(pHeader->GetDictionary(&pDictionary));
		CAAFBuiltinDefs defs (pDictionary);
 		
		//Make the MOB to be referenced
		checkResult(defs.cdMasterMob()->
					CreateInstance(IID_IAAFMob, 
								   (IUnknown **)&pReferencedMob));
		checkResult(pReferencedMob->SetMobID(TEST_referencedMobID));
		checkResult(pReferencedMob->SetName(L"AAFSourceClipTest::ReferencedMob"));

		// Create a Mob
		checkResult(defs.cdCompositionMob()->
					CreateInstance(IID_IAAFMob, 
								   (IUnknown **)&pMob));
		checkResult(pMob->SetMobID(TEST_MobID));
		checkResult(pMob->SetName(L"AAFSourceClipTest"));

		// Create a SourceClip
		checkResult(defs.cdSourceClip()->
					CreateInstance(IID_IAAFSegment, 
								   (IUnknown **)&seg));
		 checkResult(seg->QueryInterface(IID_IAAFComponent, (void **)&pComponent));
		 checkResult(pComponent->SetDataDef(defs.ddkAAFPicture()));
		pComponent->Release();
		pComponent = NULL;
								 		
		aafRational_t editRate = { 0, 1};
		checkResult(pMob->AppendNewTimelineSlot (editRate,
												 seg,
												 1,
												 slotName,
												 0,
												 &newSlot));

		checkResult(pHeader->AddMob(pMob));
		checkResult(pHeader->AddMob(pReferencedMob));
	}
  catch (HRESULT& rResult)
  {
    hr = rResult;
  }

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

	if (pComponent)
		pComponent->Release();

	if (seg)
		seg->Release();

	if (pMob)
		pMob->Release();

	if (pReferencedMob)
		pReferencedMob->Release();

	if (pDictionary)
		pDictionary->Release();

	if (pHeader)
		pHeader->Release();

	if (pFile) 
	{
		if (bFileOpen)
		  {
			pFile->Save();
//.........这里部分代码省略.........

static HRESULT CreateAAFFile(
    aafWChar * pFileName,
    aafUID_constref fileKind,
    testRawStorageType_t rawStorageType,
    aafProductIdentification_constref productID)
{
	IAAFFile *					pFile = NULL;
	bool						bFileOpen = false;
	IAAFHeader *				pHeader = NULL;
	IAAFDictionary*				pDictionary = NULL;
	IAAFCompositionMob*			pCompMob=NULL;
	IAAFMob*					pMob = NULL;
	IAAFTimelineMobSlot*		pNewSlot = NULL;
	IAAFSourceClip*				pSourceClip = NULL;
	IAAFSourceReference*		pSourceRef = NULL;
	IAAFTransition*				pTransition = NULL;
	IAAFOperationGroup*			pOperationGroup = NULL;
	IAAFSegment*				pSegment = NULL;
	IAAFSegment*				pEffectFiller = NULL;
	IAAFComponent*				pComponent = NULL;
	IAAFFiller*					pFiller = NULL;
	IAAFSequence*				pSequence = NULL;
	IAAFOperationDef*				pOperationDef = NULL;
	IAAFParameter				*pParm = NULL;
	IAAFParameterDef*			pParamDef = NULL;
	IAAFConstantValue*			pConstantValue = NULL;
	
	HRESULT						hr = S_OK;
	aafLength_t					transitionLength;
	aafPosition_t				cutPoint = 0;
	aafLength_t					effectLen = TEST_EFFECT_LEN;
	aafUID_t					effectID = kTestEffectID;
	aafUID_t					parmID = kTestParmID;

	transitionLength = 100;

	try
	{
		// Remove the previous test file if any.
		RemoveTestFile(pFileName);


		// Create the file
		checkResult(CreateTestFile( pFileName, fileKind, rawStorageType, productID, &pFile ));
		bFileOpen = true;
 
		// We can't really do anthing in AAF without the header.
		checkResult(pFile->GetHeader(&pHeader));

		// Get the AAF Dictionary so that we can create valid AAF objects.
		checkResult(pHeader->GetDictionary(&pDictionary));
		CAAFBuiltinDefs defs (pDictionary);
 		
		// Create the effect and parameter definitions
		checkResult(defs.cdOperationDef()->
					CreateInstance(IID_IAAFOperationDef, 
								   (IUnknown **)&pOperationDef));
    
		checkResult(defs.cdParameterDef()->
					CreateInstance(IID_IAAFParameterDef, 
								   (IUnknown **)&pParamDef));

		checkResult(pOperationDef->Initialize (effectID, TEST_EFFECT_NAME, TEST_EFFECT_DESC));
		checkResult(pDictionary->RegisterOperationDef(pOperationDef));
		checkResult(pParamDef->Initialize (parmID, TEST_PARAM_NAME, TEST_PARAM_DESC, defs.tdRational ()));
		checkResult(pParamDef->SetDisplayUnits(TEST_PARAM_UNITS));
		checkResult(pDictionary->RegisterParameterDef(pParamDef));


		checkResult(pOperationDef->SetDataDef (defs.ddkAAFPicture()));
		checkResult(pOperationDef->SetIsTimeWarp (kAAFFalse));
		checkResult(pOperationDef->SetNumberInputs (TEST_NUM_INPUTS));
		checkResult(pOperationDef->SetCategory (TEST_CATEGORY));
		checkResult(pOperationDef->AddParameterDef (pParamDef));
		checkResult(pOperationDef->SetBypass (TEST_BYPASS));


		// ------------------------------------------------------------
		//	To test a Transition we need to create a Sequence which will 
		//	a Filler, a transition and another Filler. I know this is not 
		//  very interesting, but it will let us test the Transition 
		//  interface with the least amount of other stuff.
		// ------------------------------------------------------------
		//
		// Create a CompositionMob
		checkResult(defs.cdCompositionMob()->
					CreateInstance(IID_IAAFCompositionMob, 
								   (IUnknown **)&pCompMob));

		checkResult(pCompMob->Initialize(L"Transition Test"));
		// Get a MOB interface
		checkResult(pCompMob->QueryInterface (IID_IAAFMob, (void **)&pMob));
		checkResult(pMob->SetMobID(TEST_MobID));

		// Create a Sequence
		checkResult(defs.cdSequence()->
					CreateInstance(IID_IAAFSequence,
								   (IUnknown **) &pSequence));

		// Get a Segment interface
//.........这里部分代码省略.........

static HRESULT ReadAAFFile(aafWChar* pFileName)
{
	IAAFFile*			pFile = NULL;
	IAAFHeader*			pHeader = NULL;
	IAAFDictionary*		pDictionary = NULL;
	IEnumAAFOperationDefs *pOperationGroupEnum = NULL;
	IEnumAAFParameterDefs *pParmDefEnum = NULL;
	IAAFOperationDef		*pOperationDef = NULL;
	IAAFParameterDef	*pParmDef = NULL;
	IAAFParameter		*pParameter = NULL;
	IAAFMetaDefinition*		pMetaDefinition = NULL;
	IAAFSegment*		pSeg = NULL;
	IAAFOperationGroup*			pOperationGroup = NULL;
	IEnumAAFMobs		*mobIter = NULL;
	IAAFMob*			pMob = NULL;
	IEnumAAFMobSlots	*slotIter = NULL;
	IAAFMobSlot*		pSlot = NULL;
	IAAFFiller*			pFill = NULL;
	IAAFSourceReference *pSourceRef = NULL;
	IEnumAAFControlPoints *pEnumCP = NULL;
	IAAFControlPoint	*pControlPoint = NULL;
	IAAFVaryingValue	*pVaryingValue = NULL;
	IAAFInterpolationDef	*pInterpDef = NULL;
	IAAFTypeDef			*pTypeDef = NULL;
	bool				bFileOpen = false;
	aafBool				readIsTimeWarp;
	aafUInt32			testNumSources, testNumParam;
	HRESULT				hr = S_OK;
	aafNumSlots_t		s;
	aafNumSlots_t	numSlots;
	aafUInt32			readOverride;
	aafBool				readValidTransition;
	aafRational_t		testTime;
	aafRational_t	sampleValue1 = kTestLevel1, sampleValue2 = kTestLevel2, testValue;
	aafRational_t		checkTime1 = kTestTime1;
	aafRational_t		checkTime2 = kTestTime2;
	aafEditHint_t		checkEditHint;
	aafUID_t			testInterpDef, checkInterpDef = kAAFTypeID_Rational;

	try
	{
		// Open the AAF file
		checkResult(AAFFileOpenExistingRead(pFileName, 0, &pFile));
		bFileOpen = true;
		
		// Get the AAF file header.
		checkResult(pFile->GetHeader(&pHeader));

		aafSearchCrit_t		criteria;
		criteria.searchTag = kAAFNoSearch;
		checkResult(pHeader->GetMobs (&criteria, &mobIter));
				
		checkResult(mobIter->NextOne (&pMob));			
		checkResult(pMob->GetSlots(&slotIter));
		checkResult(pMob->CountSlots (&numSlots));
		
		for(s = 0; s < numSlots; s++)
		{
			checkResult(slotIter->NextOne (&pSlot));
			checkResult(pSlot->GetSegment (&pSeg));
			checkResult(pSeg->QueryInterface (IID_IAAFOperationGroup, (void **)&pOperationGroup));
			pSeg->Release();
			pSeg = NULL;

			checkResult(pOperationGroup->CountSourceSegments(&testNumSources));
			checkExpression(testNumSources == TEST_NUM_INPUTS, AAFRESULT_TEST_FAILED);
			checkResult(pOperationGroup->CountParameters(&testNumParam));
			checkExpression(testNumSources == 1, AAFRESULT_TEST_FAILED);

			checkResult(pOperationGroup->IsATimeWarp (&readIsTimeWarp));
			checkExpression(readIsTimeWarp == kAAFFalse, AAFRESULT_TEST_FAILED);

			checkResult(pOperationGroup->GetBypassOverride (&readOverride));
			checkExpression(readOverride == 1, AAFRESULT_TEST_FAILED);

			checkResult(pOperationGroup->IsValidTranOperation (&readValidTransition));
			checkExpression(readValidTransition == kAAFFalse, AAFRESULT_TEST_FAILED);
			/**/
			checkResult(pOperationGroup->GetInputSegmentAt (0, &pSeg));
 			checkResult(pSeg->QueryInterface(IID_IAAFFiller, (void **) &pFill));
			pFill->Release();
			pFill = NULL;
			/**/
			checkResult(pOperationGroup->LookupParameter (kTestParmID, &pParameter));
 			checkResult(pParameter->QueryInterface(IID_IAAFVaryingValue, (void **) &pVaryingValue));

			/*** Check the VaryingValue methods **/
			aafUInt32		testLen, bytesRead;

			checkResult(pVaryingValue->GetControlPoints(&pEnumCP));
			checkResult(pEnumCP->NextOne(&pControlPoint));
			checkResult(pControlPoint->GetValueBufLen (&testLen));
 			checkExpression(testLen == sizeof(sampleValue1), AAFRESULT_TEST_FAILED);
			checkResult(pControlPoint->GetValue (sizeof(sampleValue1), (aafDataBuffer_t)&testValue, &bytesRead));
 			checkExpression(testValue.numerator == sampleValue1.numerator, AAFRESULT_TEST_FAILED);
 			checkExpression(testValue.denominator == sampleValue1.denominator, AAFRESULT_TEST_FAILED);
 			checkExpression(bytesRead == sizeof(sampleValue1), AAFRESULT_TEST_FAILED);
			checkResult(pControlPoint->GetTime(&testTime));
 			checkExpression(testTime.numerator == checkTime1.numerator, AAFRESULT_TEST_FAILED);
 			checkExpression(testTime.denominator == checkTime1.denominator, AAFRESULT_TEST_FAILED);
//.........这里部分代码省略.........

static HRESULT CreateAAFFile(
    aafWChar * pFileName,
    aafUID_constref fileKind,
    testRawStorageType_t rawStorageType,
    aafProductIdentification_constref productID)
{
	IAAFFile*			pFile = NULL;
	IAAFHeader *        pHeader = NULL;
	IAAFDictionary*		pDictionary = NULL;
	IAAFOperationDef*		pOperationDef = NULL;
	IAAFParameterDef*	pParamDef = NULL;
	IAAFDefObject*		pDefObject = NULL;
	IAAFOperationGroup			*pOperationGroup = NULL;
	IAAFMob				*pMob = NULL;
	IAAFSegment			*pSeg = NULL;
	IAAFTimelineMobSlot	*pSlot = NULL;
	IAAFParameter		*pParm = NULL;
	IAAFVaryingValue		*pVaryingValue = NULL;
	IAAFSegment			*pFiller = NULL;
	IAAFComponent		*pComponent = NULL;
	IAAFSourceClip		 *pSourceClip = NULL;
	IAAFControlPoint	 *pControlPoint = NULL;
	IAAFSourceReference *pSourceRef = NULL;
	IAAFInterpolationDef *pInterpDef = NULL;
	IAAFPluginManager	*pMgr = NULL;
	IAAFTypeDef			*pTypeDef = NULL;
	bool				bFileOpen = false;
	HRESULT				hr = S_OK;
//	aafUID_t			testInterpDef = kAAFTypeID_Rational;
	aafLength_t			effectLen = TEST_EFFECT_LEN;
	aafUID_t			effectID = kTestEffectID;
	aafUID_t			parmID = kTestParmID;
	aafRational_t		testLevel1 = kTestLevel1;
	aafRational_t		testLevel2 = kTestLevel2;
	aafRational_t		testTime1 = kTestTime1;
	aafRational_t		testTime2 = kTestTime2;
/*	long				test;
*/

	try
	{
		// Remove the previous test file if any.
		RemoveTestFile(pFileName);


		// Create the AAF file
		checkResult(CreateTestFile( pFileName, fileKind, rawStorageType, productID, &pFile ));
		bFileOpen = true;

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

		// Get the AAF Dictionary so that we can create valid AAF objects.
		checkResult(pHeader->GetDictionary(&pDictionary));
    
		CAAFBuiltinDefs defs (pDictionary);

		checkResult(defs.cdOperationDef()->
					CreateInstance(IID_IAAFOperationDef, 
								   (IUnknown **)&pOperationDef));
    
		checkResult(defs.cdParameterDef()->
					CreateInstance(IID_IAAFParameterDef, 
								   (IUnknown **)&pParamDef));

 		checkResult(pDictionary->LookupTypeDef (kAAFTypeID_Rational, &pTypeDef));
    checkResult(pParamDef->Initialize (parmID, TEST_PARAM_NAME, TEST_PARAM_DESC, pTypeDef));

		checkResult(AAFGetPluginManager(&pMgr));
		checkResult(pMgr->CreatePluginDefinition(LinearInterpolator, pDictionary, &pDefObject));
		checkResult(pDefObject->QueryInterface(IID_IAAFInterpolationDef, (void **) &pInterpDef));
		pDefObject->Release();
		pDefObject = NULL;

		checkResult(pOperationDef->Initialize (effectID, TEST_EFFECT_NAME, TEST_EFFECT_DESC));
		checkResult(pDictionary->RegisterOperationDef (pOperationDef));
		checkResult(pDictionary->RegisterParameterDef (pParamDef));
		checkResult(pDictionary->RegisterInterpolationDef (pInterpDef));


		checkResult(pOperationDef->SetDataDef (defs.ddkAAFPicture()));
		checkResult(pOperationDef->SetIsTimeWarp (kAAFFalse));
		checkResult(pOperationDef->SetNumberInputs (TEST_NUM_INPUTS));
		checkResult(pOperationDef->SetCategory (TEST_CATEGORY));
		checkResult(pOperationDef->AddParameterDef (pParamDef));
		checkResult(pOperationDef->SetBypass (TEST_BYPASS));

		checkResult(pParamDef->SetDisplayUnits(TEST_PARAM_UNITS));

		//Make the first mob
		long	test;
		aafRational_t	videoRate = { 2997, 100 };
		// Create a Mob
		checkResult(defs.cdCompositionMob()->
					CreateInstance(IID_IAAFMob, 
								   (IUnknown **)&pMob));

		checkResult(pMob->SetName(L"AAFOperationGroupTest"));
	  
		// Add some slots
//.........这里部分代码省略.........

void EventTest::OpenEvent()
{
  assert(_pHeader);

  HRESULT hr = S_OK;
  IAAFMob *pMob = NULL;
  IEnumAAFMobSlots *pEnumSlots = NULL;
  IAAFMobSlot *pMobSlot = NULL;
  IAAFEventMobSlot *pEventMobSlot = NULL;
  aafRational_t editRate = {0};
  IAAFSegment *pSegment = NULL;
  IAAFEvent *pEvent = NULL;
  aafPosition_t position;
  wchar_t eventComment[128];


  try
  {
    // Get the composition mob that we created to hold the
    checkResult(_pHeader->LookupMob(gMobID, &pMob));

    // Get the first mob slot and check that it is an event mob slot.
    checkResult(pMob->GetSlots(&pEnumSlots));
    checkResult(pEnumSlots->NextOne(&pMobSlot));
    checkResult(pMobSlot->QueryInterface(IID_IAAFEventMobSlot, (void **)&pEventMobSlot));
    checkResult(pEventMobSlot->GetEditRate(&editRate));
    checkExpression(0 == memcmp(&editRate, &_editRate, sizeof(editRate)), AAFRESULT_TEST_FAILED);

    // Get the event slot's segment and check that it is an event.
    checkResult(pMobSlot->GetSegment(&pSegment));
    checkResult(pSegment->QueryInterface(IID_IAAFEvent, (void **)&pEvent));

    // Now validate the event property values we thought were written to the
    // file.

    // Validate the position
    checkResult(pEvent->GetPosition(&position));
    checkExpression(0 == memcmp(&position, &_position, sizeof(position)), AAFRESULT_TEST_FAILED);

    // Validate the comment buffer size.
    aafUInt32 expectedLen = wcslen(_eventComment) + 1;
    aafUInt32 expectedSize = expectedLen * sizeof(wchar_t);
    aafUInt32 commentBufSize = 0;
    checkResult(pEvent->GetCommentBufLen(&commentBufSize));
    checkExpression(commentBufSize == expectedSize, AAFRESULT_TEST_FAILED);
    
    // Validate the event comment.
    checkExpression(commentBufSize <= sizeof(eventComment), AAFRESULT_TEST_FAILED);
    checkResult(pEvent->GetComment(eventComment, commentBufSize));
    checkExpression(0 == memcmp(eventComment, _eventComment, commentBufSize), AAFRESULT_TEST_FAILED); 
  }
  catch (HRESULT& rHR)
  {
    hr = rHR;
    // fall through and handle cleanup
  }

  // Cleanup local references
  if (pEvent)
  {
    pEvent->Release();
    pEvent = NULL;
  }

  if (pSegment)
  {
    pSegment->Release();
    pSegment = NULL;
  }

  if (pEventMobSlot)
  {
    pEventMobSlot->Release();
    pEventMobSlot = NULL;
  }

  if (pMobSlot)
  {
    pMobSlot->Release();
    pMobSlot = NULL;
  }

  if (pEnumSlots)
  {
    pEnumSlots->Release();
    pEnumSlots = NULL;
  }

  if (pMob)
  {
    pMob->Release();
    pMob = NULL;
  }



  // Propogate the error if necessary.
  checkResult(hr);
}

static HRESULT ProcessAAFFile(const aafWChar * pFileName, testType_t testType)
{
	IAAFFile *					pFile = NULL;
	IAAFHeader *				pHeader = NULL;
	IAAFDictionary*				pDictionary = NULL;
	IEnumAAFMobs*				pMobIter = NULL;
	aafNumSlots_t				numMobs, numSlots;
	aafSearchCrit_t				criteria;
	aafMobID_t					mobID;
	aafWChar					namebuf[1204];
	const aafWChar*				slotName = L"A slot in Composition Mob";
	IAAFComponent*				pComponent = NULL;
	IAAFComponent*				aComponent = NULL;
	IEnumAAFMobSlots*			pMobSlotIter = NULL;
	IAAFMobSlot*				pMobSlot = NULL;
	IAAFTimelineMobSlot*		newSlot = NULL;
	IAAFSegment*				seg = NULL;
	IAAFSegment*				pSegment = NULL;
	IAAFMob*					pCompMob = NULL;
	IAAFMob*					pMob = NULL;
	aafPosition_t				zeroPos = 0;
	IAAFSequence*				pAudioSequence = NULL;
	IAAFSourceClip*				pSourceClip = NULL;
	aafLength_t					duration;
	IAAFTimelineMobSlot* pTimelineMobSlot = NULL;
  IAAFClassDef *pCompositionMobDef = NULL;
  IAAFClassDef *pSequenceDef = NULL;
  IAAFClassDef *pSourceClipDef = NULL;
  IAAFDataDef *pSoundDef = NULL;
  IAAFDataDef *pDataDef = NULL;
	

	// Set the edit rate information
	aafRational_t				editRate;
	editRate.numerator = 48000;
	editRate.denominator = 1;

	// Set search condition to true
	bool lookingForAudio = true;

	// Call the routine (from ExportAudioExample) to make the file for processing
	check(CreateAAFFile(pwFileName, NULL, testStandardCalls, &pFile));

	/* Get the Header and iterate through the Master Mobs in the existing file */
	check(pFile->GetHeader(&pHeader));
	check(pHeader->GetDictionary(&pDictionary));

	
  /* Lookup class definitions for the objects we want to create. */
  check(pDictionary->LookupClassDef(AUID_AAFCompositionMob, &pCompositionMobDef));
  check(pDictionary->LookupClassDef(AUID_AAFSequence, &pSequenceDef));
  check(pDictionary->LookupClassDef(AUID_AAFSourceClip, &pSourceClipDef));

  /* Lookup any necessary data definitions. */
  check(pDictionary->LookupDataDef(kAAFDataDef_Sound, &pSoundDef));
  

	// Get the number of master mobs in the existing file (must not be zero)
	check(pHeader->CountMobs(kAAFMasterMob, &numMobs));
	if (numMobs != 0)
	{
		printf("Found %d Master Mobs\n", numMobs);
		criteria.searchTag = kAAFByMobKind;
		criteria.tags.mobKind = kAAFMasterMob;
		check(pHeader->GetMobs(&criteria, &pMobIter));

		/* Create a Composition Mob */
		check(pCompositionMobDef->
			  CreateInstance(IID_IAAFMob,
							 (IUnknown **)&pCompMob));
		/* Append the Mob to the Header */
		check(pHeader->AddMob(pCompMob));
 
		/* Create a TimelineMobSlot with an audio sequence */
		check(pSequenceDef->
			  CreateInstance(IID_IAAFSequence,
							 (IUnknown **)&pAudioSequence));
		check(pAudioSequence->QueryInterface(IID_IAAFSegment, (void **)&seg));

		check(pAudioSequence->QueryInterface(IID_IAAFComponent,
											 (void **)&aComponent));

		check(aComponent->SetDataDef(pSoundDef));
		check(pCompMob->AppendNewTimelineSlot(editRate, seg, 1, slotName, zeroPos, &newSlot));
    seg->Release();
    seg = NULL;
    newSlot->Release();
    newSlot = NULL;

		// This variable is about to be overwritten so we need to release the old interface
		aComponent->Release();
		aComponent = NULL;

		while((AAFRESULT_SUCCESS == pMobIter->NextOne(&pMob)))
		{
			//  Print out information about the Mob
			char mobIDstr[256];
			char mobName[256];

			check(pMob->GetMobID (&mobID));
//.........这里部分代码省略.........

void HTMLClipTest::OpenHTMLClip()
{
  assert(_pHeader);

  HRESULT hr = S_OK;
  aafNumSlots_t compositionMobs = 0;
  IEnumAAFMobs *pEnumMobs = NULL;
  IAAFMob *pReferencingMob = NULL;
  IAAFCompositionMob *pCompositionMob = NULL;
  aafNumSlots_t mobSlots = 0;
  IEnumAAFMobSlots *pEnumSlots = NULL;
  IAAFMobSlot *pMobSlot = NULL;
  IAAFSegment *pSegment = NULL;
  IAAFHTMLClip *pHTMLClip = NULL;
  aafUInt32 bufSize = 0;
  aafUInt32 actualBufSize = 0;
  aafUInt32 actualLength = 0;
  wchar_t *pBeginAnchor = NULL;
  wchar_t *pEndAnchor = NULL;
  IAAFSourceReference *pSourceReference = NULL;
  aafMobID_t masterMobID = {0};
  IAAFMasterMob *pMasterMob = NULL;
  IAAFMob *pReferencedMob = NULL;


  try
  {
    // Get the number of composition mobs in the file (should be one)
    checkResult(_pHeader->CountMobs(kAAFCompMob, &compositionMobs));
    checkExpression(1 == compositionMobs, AAFRESULT_TEST_FAILED);

    // Get the composition mob. There should only be one.
    aafSearchCrit_t criteria;
    criteria.searchTag = kAAFByMobKind;
    criteria.tags.mobKind = kAAFCompMob;
    checkResult(_pHeader->GetMobs(&criteria, &pEnumMobs));
    checkResult(pEnumMobs->NextOne(&pReferencingMob));
    checkResult(pReferencingMob->QueryInterface(IID_IAAFCompositionMob, (void **)&pCompositionMob));

    // Get the html clip in the slot. There should be only one.
    checkResult(pReferencingMob->CountSlots(&mobSlots));
    checkExpression(1 == mobSlots, AAFRESULT_TEST_FAILED);
    checkResult(pReferencingMob->GetSlots(&pEnumSlots));
    checkResult(pEnumSlots->NextOne(&pMobSlot));
    checkResult(pMobSlot->GetSegment(&pSegment));
    checkResult(pSegment->QueryInterface(IID_IAAFHTMLClip, (void **)&pHTMLClip));

    // Validate the properties...
    checkResult(pHTMLClip->GetBeginAnchorBufLen(&bufSize));
    actualLength = wcslen(_beginAnchor) + 1;
    actualBufSize = actualLength * 2;
    checkExpression(bufSize == actualBufSize, AAFRESULT_TEST_FAILED);
    pBeginAnchor = new wchar_t[actualLength];
    checkExpression(NULL != pBeginAnchor, AAFRESULT_NOMEMORY);
    checkResult(pHTMLClip->GetBeginAnchor(pBeginAnchor, actualBufSize));
    checkExpression(0 == wcscmp(pBeginAnchor, _beginAnchor), AAFRESULT_TEST_FAILED);

    checkResult(pHTMLClip->GetEndAnchorBufLen(&bufSize));
    actualLength = wcslen(_endAnchor) + 1;
    actualBufSize = actualLength * 2;
    checkExpression(bufSize == actualBufSize, AAFRESULT_TEST_FAILED);
    pEndAnchor = new wchar_t[actualLength];
    checkExpression(NULL != pEndAnchor, AAFRESULT_NOMEMORY);
    checkResult(pHTMLClip->GetEndAnchor(pEndAnchor, actualBufSize));
    checkExpression(0 == wcscmp(pEndAnchor, _endAnchor), AAFRESULT_TEST_FAILED);
    

    // Attempt to "resolve" the reference and find the master mob.
    checkResult(pHTMLClip->QueryInterface(IID_IAAFSourceReference, (void **)&pSourceReference));  
    checkResult(pSourceReference->GetSourceID(&masterMobID));
    checkExpression(0 == memcmp(&masterMobID, &_referencedMobID, sizeof(masterMobID)), AAFRESULT_TEST_FAILED);
    checkResult(_pHeader->LookupMob(masterMobID, &pReferencedMob));
    checkResult(pReferencedMob->QueryInterface(IID_IAAFMasterMob, (void **)&pMasterMob));

    
    // Use EssenceAccess to read some html essence
      // Find the file mob for the html essence.
      // Find the corresponding html essence.
      // Read some html essence.
  }
  catch (HRESULT& rHR)
  {
    hr = rHR;
    // fall through and handle cleanup
  }

  // Cleanup local references
  if (pMasterMob)
  {
    pMasterMob->Release();
    pMasterMob = NULL;
  }

  if (pReferencedMob)
  {
    pReferencedMob->Release();
    pReferencedMob = NULL;
  }

  if (pSourceReference)
//.........这里部分代码省略.........

static HRESULT ReadAAFFile(aafWChar * pFileName)
{
	IAAFFile				*pFile = NULL;
	bool					bFileOpen = false;
	IAAFHeader				*pHeader = NULL;
	IEnumAAFMobs			*mobIter = NULL;
	IAAFMob					*aMob = NULL;
	IEnumAAFMobSlots		*slotIter = NULL;
	IAAFMobSlot				*slot = NULL;
	IAAFSegment				*pSeg = NULL;
	IAAFSourceClip			*pSourceClip = NULL;
	IAAFDataDef *            pDataDef = 0;
	IAAFDefObject *          pDefObj = 0;
	aafNumSlots_t			numMobs, n;
	aafSlotID_t				s;
	aafUInt32				length;
	HRESULT					hr = S_OK;
	aafUID_t				readUID, typeUID = kAAFDataDef_Picture;
	
	try
	{
		// Open the file
		checkResult(AAFFileOpenExistingRead(pFileName, 0, &pFile));
		bFileOpen = true;
		
		// We can't really do anthing in AAF without the header.
		checkResult(pFile->GetHeader(&pHeader));
		
		
		checkResult(pHeader->CountMobs(kAAFAllMob, &numMobs));
		checkExpression(1 == numMobs, AAFRESULT_TEST_FAILED);
		
		
		aafSearchCrit_t		criteria;
		criteria.searchTag = kAAFNoSearch;
		checkResult(pHeader->GetMobs (&criteria, &mobIter));
		
		for(n = 0; n < numMobs; n++)
		{
			aafWChar		name[500], slotName[500];
			aafNumSlots_t	numSlots;
			aafMobID_t		mobID;
			aafSlotID_t		trackID;
			
			checkResult(mobIter->NextOne (&aMob));
			checkResult(aMob->GetName (name, sizeof(name)));
			checkResult(aMob->GetMobID (&mobID));
			
			checkResult(aMob->CountSlots (&numSlots));
			checkExpression(5 == numSlots, AAFRESULT_TEST_FAILED);
			
			checkResult(aMob->GetSlots(&slotIter));
			
			for(s = 0; s < (aafSlotID_t)numSlots; s++)
			{
				checkResult(slotIter->NextOne (&slot));
				checkResult(slot->GetNameBufLen(&length));
				checkResult(slot->GetName (slotName, length));
				checkExpression (wcscmp(slotName, slotNames[s]) == 0, AAFRESULT_TEST_FAILED);
				checkResult(slot->GetSlotID(&trackID));
				checkExpression (trackID == s+1, AAFRESULT_TEST_FAILED);
				checkResult(slot->GetPhysicalNum(&trackID));
				checkExpression (trackID == s+2, AAFRESULT_TEST_FAILED);
				checkResult(slot->GetPhysicalNum(&trackID));
				checkResult(slot->GetDataDef(&pDataDef));
				checkResult(pDataDef->QueryInterface (IID_IAAFDefObject, (void **)&pDefObj));
				checkResult(pDefObj->GetAUID(&readUID));
				checkExpression (memcmp(&typeUID, &readUID, sizeof(typeUID)) == 0, AAFRESULT_TEST_FAILED);
				checkResult(slot->GetSegment(&pSeg));
				checkResult(pSeg->QueryInterface (IID_IAAFSourceClip, (void **)&pSourceClip));
				pDataDef->Release();
				pDataDef = 0;
				pDefObj->Release ();
				pDefObj = 0;
				pSourceClip->Release();
				pSourceClip = NULL;
				pSeg->Release();
				pSeg = NULL;
				slot->Release();
				slot = NULL;
			}
			
			aMob->Release();
			aMob = NULL;
		}
	}
	catch (HRESULT& rResult)
	{
		hr = rResult;
	}
	
	// Cleanup object references
	if (slot)
	  {
		slot->Release();
		slot = 0;
	  }
	
	if (pSeg)
	  {
//.........这里部分代码省略.........

//.........这里部分代码省略.........
			{
			  checkResult(slotIter->NextOne (&slot));
			  checkResult(slot->GetNameBufLen(&bufLen));
			  checkResult(slot->GetName (slotName, bufLen));
			  checkResult(slot->GetSlotID(&trackID));
			  checkExpression (wcscmp(slotName, slotNames[s]) == 0, AAFRESULT_TEST_FAILED);
			  checkExpression(trackID == (s+1), AAFRESULT_TEST_FAILED);

			  slot->Release();
			  slot = NULL;
			  bufLen = 0;
			  trackID = 0;
			}
			slotIter->Release();
			slotIter = NULL;
			
			// GetSlotAt
			checkExpression(aMob->GetSlotAt(1, NULL) == AAFRESULT_NULL_PARAM,
														AAFRESULT_TEST_FAILED);
			checkExpression(aMob->GetSlotAt(9, &slot) == AAFRESULT_BADINDEX,
														AAFRESULT_TEST_FAILED);
			for (s = 0; s < numSlots; ++s)
			{
				checkResult(aMob->GetSlotAt(s, &slot));
				checkResult(slot->GetNameBufLen(&bufLen));
				checkResult(slot->GetName(slotName, bufLen));
				checkResult(slot->GetSlotID(&trackID));
				checkExpression(wcscmp(slotName, slotNames[s]) == 0, AAFRESULT_TEST_FAILED);
				checkExpression(trackID == (s+1), AAFRESULT_TEST_FAILED);	

				if ( 0 < s && s < 5 ) // These are the SourceClips
				{
					checkResult(slot->GetSegment(&pSegment));
			  		checkResult(pSegment->QueryInterface (IID_IAAFSourceClip, (void **)&pSourceClip));
				  	checkResult(pSourceClip->QueryInterface (IID_IAAFSourceReference, (void **)&pSourceRef));
				    checkResult(pSourceRef->GetSourceID(&sourceID));
				    checkExpression(memcmp(&sourceID, &MOBTestID3, sizeof(aafMobID_t)) == 0,
				    													 AAFRESULT_TEST_FAILED);
			  		pSourceRef->Release();
			  		pSourceRef = NULL;
			  		pSourceClip->Release();
            pSourceClip = NULL;
			  		pSegment->Release();
            pSegment = NULL;
				}
				
				slot->Release();
				slot = NULL;
				bufLen = 0;
				trackID = 0;
			}			

		  // ChangeRef
		  checkResult(aMob->ChangeRef(MOBTestID3, MOBTestID4));

		  for (s = 1; s < 5; ++s) // These are the SourceClips
		  {
				checkResult(aMob->GetSlotAt(s, &slot));
				checkResult(slot->GetSegment(&pSegment));
  		  		checkResult(pSegment->QueryInterface (IID_IAAFSourceClip, (void **)&pSourceClip));
	  	  		checkResult(pSourceClip->QueryInterface (IID_IAAFSourceReference, (void **)&pSourceRef));
	      		checkResult(pSourceRef->GetSourceID(&sourceID));
	      		checkExpression(memcmp(&sourceID, &MOBTestID4, sizeof(aafMobID_t)) == 0,
		   													 AAFRESULT_TEST_FAILED);
			  	pSourceRef->Release();
			  	pSourceRef = NULL;

static HRESULT ReadAAFFile(aafWChar * pFileName)
{
	// IAAFSession *				pSession = NULL;
	IAAFFile *					pFile = NULL;
	IAAFHeader *				pHeader = NULL;
	IEnumAAFMobs*				pMobIter = NULL;
	IAAFMob*					pMob = NULL;
	IAAFMob*					pReferencedMob = NULL;
	IEnumAAFMobSlots*			pSlotIter = NULL;
	IAAFMobSlot*				pSlot = NULL;
	IAAFSegment*				pSegment = NULL;
	IAAFDescriptiveClip*				pDescClip = NULL;
	bool bFileOpen = false;
	aafSearchCrit_t				criteria;
	aafNumSlots_t				numMobs, numSlots;
	HRESULT						hr = AAFRESULT_SUCCESS;

	try
	{ 
    // Open the file
		checkResult(AAFFileOpenExistingRead(pFileName, 0, &pFile));
		bFileOpen = true;
 
    // We can't really do anthing in AAF without the header.
		checkResult(pFile->GetHeader(&pHeader));

		// Get the number of mobs in the file (should be one)
		checkResult(pHeader->CountMobs(kAAFAllMob, &numMobs));
		checkExpression(2 == numMobs, AAFRESULT_TEST_FAILED);

		// Enumerate over all Composition Mobs
		criteria.searchTag = kAAFByMobKind;
		criteria.tags.mobKind = kAAFCompMob;
		checkResult(pHeader->GetMobs(&criteria, &pMobIter));
		while (AAFRESULT_SUCCESS == pMobIter->NextOne(&pMob))
		{
			checkResult(pMob->CountSlots(&numSlots));
			checkExpression(1 == numSlots, AAFRESULT_TEST_FAILED);

			checkResult(pMob->GetSlots(&pSlotIter));
			while (AAFRESULT_SUCCESS == pSlotIter->NextOne(&pSlot))
			{
				// The segment should be a source clip...
				checkResult(pSlot->GetSegment(&pSegment));
				checkResult(pSegment->QueryInterface(IID_IAAFDescriptiveClip, (void **) &pDescClip));
				
				// Get, and test, the described slots from the marker.
			    aafUInt32 getDescribedSlotIDsVector[TestDescribedSlotIDsVectorSize];
			    aafUInt32 getDescribedSlotIDsVectorSize = 0;
			
			    checkResult( pDescClip->CountDescribedSlotIDs( &getDescribedSlotIDsVectorSize ) );
			    checkExpression( TestDescribedSlotIDsVectorSize == getDescribedSlotIDsVectorSize, AAFRESULT_TEST_FAILED );
			
			    checkExpression( AAFRESULT_SMALLBUF ==
					       pDescClip->GetDescribedSlotIDs( getDescribedSlotIDsVectorSize-1, getDescribedSlotIDsVector ),
					     AAFRESULT_TEST_FAILED );
			
			    checkResult( pDescClip->GetDescribedSlotIDs( getDescribedSlotIDsVectorSize, getDescribedSlotIDsVector ) );
			    checkExpression( 0 == memcmp( getDescribedSlotIDsVector, TestDescribedSlotIDsVector, sizeof(TestDescribedSlotIDsVector) ),
					     AAFRESULT_TEST_FAILED );
			
				
				
				pSlot->Release();
				pSlot = NULL;
			}

			pMob->Release();
			pMob = NULL;
		}

	}
  catch (HRESULT& rResult)
  {
    hr = rResult;
  }

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

	if (pDescClip)
		pDescClip->Release();

	if (pSegment)
		pSegment->Release();

	if (pSlot)
		pSlot->Release();

	if (pSlotIter)
		pSlotIter->Release();

	if (pMob)
		pMob->Release();

	if (pMobIter)
		pMobIter->Release();

	if (pHeader)
//.........这里部分代码省略.........

//.........这里部分代码省略.........
//		checkExpression(pEnumDataDef->NextOne(&pDataDef) != AAFRESULT_SUCCESS, AAFRESULT_TEST_FAILED);
		/* Clone the enumerator, and read one element */
		checkResult(pEnumDataDef->Clone(&pCloneEnum));
		checkResult(pCloneEnum->Reset());
		checkResult(pCloneEnum->NextOne(&pDataDef));
		checkResult(pDataDef->IsPictureKind(&testBool));
//		checkExpression(testBool == kAAFTrue, AAFRESULT_TEST_FAILED);
		checkResult(pDataDef->IsSoundKind(&testBool));
//		checkExpression(testBool == kAAFFalse, AAFRESULT_TEST_FAILED);
		pDataDef->Release();
		pDataDef = NULL;
		pCloneEnum->Release();
		pCloneEnum = NULL;
		
		// Enumerate over Composition MOBs
		criteria.searchTag = kAAFByMobKind;
		criteria.tags.mobKind = kAAFCompMob;
		checkResult(pHeader->GetMobs(&criteria, &pMobIter));
		CAAFBuiltinDefs defs (pDictionary);
		while (pMobIter && pMobIter->NextOne(&pMob) == AAFRESULT_SUCCESS)
		{
			aafNumSlots_t		numSlots = 0;
			
			checkResult(pMob->CountSlots(&numSlots));
			checkExpression(1 == numSlots, AAFRESULT_TEST_FAILED);
			
			// Enumerate over all MOB slots for this MOB
			checkResult(pMob->GetSlots(&pSlotIter));
			while (pSlotIter && pSlotIter->NextOne(&pSlot) == AAFRESULT_SUCCESS)
			{
				aafUInt32			numCpnts;
				
				checkResult(pSlot->GetSegment(&pSegment));
				checkResult(pSegment->QueryInterface(IID_IAAFSequence, (void **) &pSequence));
				
				checkResult(pSequence->CountComponents(&numCpnts));
				checkExpression(numCpnts == kNumComponents, AAFRESULT_TEST_FAILED);
				
				checkResult(pSequence->GetComponents(&pCompIter));
				numCpnts = 0;
				index = 0;
				while (pCompIter && pCompIter->NextOne(&pComp) == AAFRESULT_SUCCESS)
				{
					aafBool		testBool;
					
					numCpnts++;
					
					checkResult(pComp->GetDataDef(&pDataDef));
					checkResult(pDataDef->IsSoundKind(&testBool));
					checkExpression(testBool == kAAFFalse, AAFRESULT_TEST_FAILED);
					checkResult(pDataDef->IsMatteKind(&testBool));
					checkExpression(testBool == kAAFFalse, AAFRESULT_TEST_FAILED);
					
					if(index == 0)	// First segment is Picture with Matte, converts to picture
					{
						checkResult(pDataDef->IsDataDefOf(defs.ddkAAFPictureWithMatte(),
														  &testBool));
						checkExpression(testBool == kAAFTrue, AAFRESULT_TEST_FAILED);
						checkResult(pDataDef->IsPictureKind(&testBool));
						checkExpression(testBool == kAAFFalse, AAFRESULT_TEST_FAILED);
						checkResult(pDataDef->IsPictureWithMatteKind(&testBool));
						checkExpression(testBool == kAAFTrue, AAFRESULT_TEST_FAILED);
						checkResult(pDataDef->DoesDataDefConvertTo (defs.ddkAAFPicture(), &testBool));
						checkExpression(testBool == kAAFTrue, AAFRESULT_TEST_FAILED);
					}
					else		// First segment is Picture, converts from picture with Matte