Example #1
0
static HRESULT CreateAAFFile(const aafWChar * pFileName, testDataFile_t *dataFile, testType_t testType)
{
	IAAFFile*					pFile = NULL;
	IAAFHeader*					pHeader = NULL;
	IAAFDictionary*					pDictionary = NULL;
	IAAFMob*					pMob = NULL;
	IAAFMasterMob*				pMasterMob = NULL;
	IAAFEssenceAccess*			pEssenceAccess = NULL;
	IAAFEssenceFormat*			pFormat = NULL;
	IAAFEssenceFormat			*format = NULL;
	IAAFLocator					*pLocator = NULL;
	aafMobID_t					masterMobID;
	aafProductIdentification_t	ProductInfo;
	aafRational_t				editRate = {44100, 1};
	aafRational_t				sampleRate = {44100, 1};
	FILE*						pWavFile = NULL;
	unsigned char				dataBuff[4096], *dataPtr;
	aafUInt32					dataOffset, dataLen;
	aafUInt16					bitsPerSample, numCh;
	aafInt32					n, numSpecifiers;
	aafUID_t					essenceFormatCode, testContainer;
  IAAFClassDef *pMasterMobDef = NULL;
  IAAFClassDef *pNetworkLocatorDef = NULL;
  IAAFDataDef *pSoundDef = NULL;
  aafUInt32 samplesWritten, bytesWritten;


	// Delete any previous test file before continuing...
	char chFileName[1000];
	convert(chFileName, sizeof(chFileName), pFileName);
	remove(chFileName);
	if(dataFile != NULL)
	{
		// Delete any previous test file before continuing...
		char chFileName[1000];
		convert(chFileName, sizeof(chFileName), dataFile->dataFilename);
		remove(chFileName);
	}

	aafProductVersion_t v;
	v.major = 1;
	v.minor = 0;
	v.tertiary = 0;
	v.patchLevel = 0;
	v.type = kAAFVersionUnknown;
	ProductInfo.companyName = companyName;
	ProductInfo.productName = productName;
	ProductInfo.productVersion = &v;
	ProductInfo.productVersionString = NULL;
	ProductInfo.productID = NIL_UID;
	ProductInfo.platform = NULL;

	/* Create a new AAF file */

	check(AAFFileOpenNewModifyEx (pFileName, &kAAFFileKind_Aaf4KBinary, 0, &ProductInfo, &pFile));
	check(pFile->GetHeader(&pHeader));
	
	/* Get the AAF Dictionary from the file */
	check(pHeader->GetDictionary(&pDictionary));
	
  /* Lookup class definitions for the objects we want to create. */
  check(pDictionary->LookupClassDef(AUID_AAFMasterMob, &pMasterMobDef));
  check(pDictionary->LookupClassDef(AUID_AAFNetworkLocator, &pNetworkLocatorDef));

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

	/* Create a Mastermob */
	
	// Get a Master MOB Interface
	check(pMasterMobDef->
		  CreateInstance(IID_IAAFMasterMob, 
						 (IUnknown **)&pMasterMob));
	// Get a Mob interface and set its variables.
	check(pMasterMob->QueryInterface(IID_IAAFMob, (void **)&pMob));
	check(pMob->GetMobID(&masterMobID));
	check(pMob->SetName(L"A Master Mob"));
	
	// Add it to the file 
	check(pHeader->AddMob(pMob));

	if(dataFile != NULL)
	{
		// Make a locator, and attach it to the EssenceDescriptor
		check(pNetworkLocatorDef->
			  CreateInstance(IID_IAAFLocator, 
							 (IUnknown **)&pLocator));		
		check(pLocator->SetPath (dataFile->dataFilename));
		testContainer = dataFile->dataFormat;
	}
	else
	{
		pLocator = NULL;
		testContainer = ContainerAAF;
	}


	// Open the Essence file to be included in this AAF file("Laser.wav")
	pWavFile = fopen("Laser.wav", "r");
	if (pWavFile)
	{
		// Read in the essence data
		int rc = fread(dataBuff, sizeof(unsigned char), sizeof(dataBuff), pWavFile);
		(void)rc;
		check(loadWAVEHeader(dataBuff,
										&bitsPerSample,
										&numCh,
										&sampleRate,
										&dataOffset,
										&dataLen));


		assert (numCh == 1, "Input file must be mono audio data");
		//  The testtype is for Internal Standard calls so set dataPtr
		dataPtr = dataBuff + dataOffset;
		
		/* Create the Essence Data specifying the codec, container, edit rate and sample rate */
		check(pMasterMob->CreateEssence(1,				// Slot ID
									pSoundDef,			// MediaKind
									kAAFCodecWAVE,			// codecID
									editRate,			// edit rate
									sampleRate,			// sample rate
									kAAFCompressionDisable,
									pLocator,			// In current file
									testContainer,		// In AAF Format
									&pEssenceAccess));	// Compress disabled

		check(pEssenceAccess->GetFileFormatParameterList (&format));
		check(format->NumFormatSpecifiers (&numSpecifiers));
		for(n = 0; n < numSpecifiers; n++)
		{
			check(format->GetIndexedFormatSpecifier (n, &essenceFormatCode, 0, NULL, NULL));
		}
		format->Release();
		format = NULL;

		// Tell the AAFEssenceAccess what the format is.
		check(pEssenceAccess->GetEmptyFileFormat (&pFormat));
		check(pFormat->NumFormatSpecifiers (&numSpecifiers));

		/* Set the properties that describe the essence data, such as audio sample size */
		
		aafInt32	sampleSize = bitsPerSample;
		check(pFormat->AddFormatSpecifier (kAAFAudioSampleBits, sizeof(sampleSize), (aafUInt8 *)&sampleSize));
		check(pEssenceAccess->PutFileFormat (pFormat));
		pFormat->Release();
		pFormat = NULL;
		
		/* Write the samples */

		aafInt32 samplesLeft = dataLen;
		aafUInt32 bytesPerSample = bitsPerSample/8;
		aafUInt32 samplesToWrite = 0;
		if (dataLen*bytesPerSample < (sizeof(dataBuff) - dataOffset))
			samplesToWrite = dataLen;
		else
			samplesToWrite  = (sizeof(dataBuff) - dataOffset)/bytesPerSample;

		//read input wav file in chunks and write them to Essence stream
		while (true) 
		{
			check(pEssenceAccess->WriteSamples(	samplesToWrite,	// Number of Samples
												sizeof(dataBuff), // buffer size
												dataPtr,	// THE data
												&samplesWritten,
												&bytesWritten));
			samplesLeft = samplesLeft-samplesToWrite;
			if (samplesLeft <= 0)
				break;
			
			aafUInt32 bytesToWrite = fread(dataBuff, sizeof(unsigned char), sizeof(dataBuff), pWavFile);
			samplesToWrite = bytesToWrite/bytesPerSample;
			dataPtr = dataBuff;
		}

		// Close the essence data file
		fclose(pWavFile);

		/* Set the essence to indicate that you have finished writing the samples */
		check(pEssenceAccess->CompleteWrite());

    pEssenceAccess->Release();
    pEssenceAccess = NULL;
	}
	else
	{
		printf("***Failed to open Wave file Laser.wav\n");
	}

	/* Release COM interfaces */

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

  pSoundDef->Release();
  pSoundDef = NULL;
  pNetworkLocatorDef->Release();
  pNetworkLocatorDef = NULL;
  pMasterMobDef->Release();
  pMasterMobDef = NULL;

	pDictionary->Release();
	pDictionary = NULL;
	pHeader->Release();
	pHeader = NULL;
	
	/* Save the AAF file */
	pFile->Save();
	
	/* Close the AAF file */
	pFile->Close();
	pFile->Release();
	pFile = NULL;


cleanup:
	// Cleanup and return
	if(pFormat)
		pFormat->Release();

	if(format)
		format->Release();

	if(pLocator)
		pLocator->Release();

  if (pEssenceAccess)
		pEssenceAccess->Release();
	
	if (pMasterMob)
		pMasterMob->Release();

	if (pMob)
		pMob->Release();

  if (pSoundDef)
    pSoundDef->Release();

  if (pNetworkLocatorDef)
    pNetworkLocatorDef->Release();

  if (pMasterMobDef)
    pMasterMobDef->Release();

	if (pDictionary)
		pDictionary->Release();

	if (pHeader)
		pHeader->Release();

	if (pFile)
  {
    pFile->Close();
		pFile->Release();
  }


	return moduleErrorTmp;
}
Example #2
0
static HRESULT ReadAAFFile(const aafWChar * pFileName, testType_t testType)
{
  IAAFFile *					pFile = NULL;
  IAAFHeader *				pHeader = NULL;
  IAAFDictionary*					pDictionary = NULL;
  IAAFEssenceAccess*			pEssenceAccess = NULL;
  IAAFEssenceMultiAccess*		pMultiEssence = NULL;
  IAAFEssenceFormat			*fmtTemplate =  NULL;
  IEnumAAFMobs*				pMobIter = NULL;
  IAAFMob*					pMob = NULL;
  IAAFMasterMob*				pMasterMob = NULL;
  IAAFEssenceFormat*			pFormat = NULL;

  aafNumSlots_t				numMobs, numSlots;
  aafSearchCrit_t				criteria;
  aafRational_t				readSampleRate;
  aafMobID_t					mobID;
  aafWChar					namebuf[1204];
  unsigned char				AAFDataBuf[4096];
  aafUInt32					AAFBytesRead, samplesRead;
  FILE*						pWavFile = NULL;
  unsigned char				WAVDataBuf[4096], *dataPtr;
  size_t						WAVBytesRead;
  aafUInt32					dataOffset, dataLen;
  aafUInt16					bitsPerSample, numCh;

  check(AAFFileOpenExistingRead ( pFileName, 0, &pFile));
  check(pFile->GetHeader(&pHeader));

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


  // Here we check on the number of mobs in the file. 
  // Get the number of master mobs in the file (should be one)
  check(pHeader->CountMobs(kAAFMasterMob, &numMobs));
  // ** causes leak

  if (1 == numMobs )
    {
      printf("Found %d Master Mobs\n", numMobs);
      criteria.searchTag = kAAFByMobKind;
      criteria.tags.mobKind = kAAFMasterMob;
      check(pHeader->GetMobs(&criteria, &pMobIter));
      while(AAFRESULT_SUCCESS == pMobIter->NextOne(&pMob))
	{
	  char mobIDstr[256];
	  char mobName[256];


	  check(pMob->GetMobID (&mobID));
	  check(pMob->GetName (namebuf, sizeof(namebuf)));
	  convert(mobName, sizeof(mobName), namebuf);
	  MobIDtoString(mobID, mobIDstr);
	  printf("    MasterMob Name = '%s'\n", mobName);
	  printf("        (mobID %s)\n", mobIDstr);
	  // Make sure we have two slots 
	  check(pMob->CountSlots(&numSlots));
	  if (2 == numSlots)
	    {
				// The essence data is in SlotID 1
				// Get a Master Mob interface
	      check(pMob->QueryInterface(IID_IAAFMasterMob, (void **)&pMasterMob));

				// Open the Essence Data
	      check(pMasterMob->OpenEssence(	1,     // SlotID 1
						NULL,  // mediaCriteria (Don't care)
						kAAFMediaOpenReadOnly,	// Open mode
						kAAFCompressionDisable,// Compress disabled
						&pEssenceAccess));

				// Open and read the Wave file (for comparison)
	      pWavFile = fopen("Laser.wav", "r");
	      if (pWavFile)
		{
		  // read in the essence data
		  WAVBytesRead = fread(WAVDataBuf, sizeof(unsigned char), sizeof(WAVDataBuf), pWavFile);
		  fclose(pWavFile);
		  pWavFile = NULL;
		  check(loadWAVEHeader(WAVDataBuf,
				       &bitsPerSample,
				       &numCh,
				       &readSampleRate,
				       &dataOffset,
				       &dataLen));
		  dataPtr = WAVDataBuf + dataOffset;

		  aafUInt32			sampleBits;
		  aafInt32			bytesRead;
					
		  check(pEssenceAccess->GetEmptyFileFormat (&fmtTemplate));
		  check(fmtTemplate->AddFormatSpecifier (kAAFAudioSampleBits, 0, NULL));
		  check(pEssenceAccess->GetFileFormat (fmtTemplate, &pFormat));
		  fmtTemplate->Release();
		  fmtTemplate = NULL;
					
		  check(pFormat->GetFormatSpecifier (kAAFAudioSampleBits, sizeof(sampleBits),
						     (aafDataBuffer_t)&sampleBits, &bytesRead));
		  pFormat->Release();
		  pFormat = NULL;
		  if(sampleBits != bitsPerSample)
		    {
		      printf("***Wrong sample size read ( was %d , should be %d)\n",
			     sampleBits, bitsPerSample);
		    }

		  // Read the Data from the AAF file
		  if(testType == testStandardCalls)
		    {
		      check(pEssenceAccess->ReadSamples( dataLen, //!!! Hardcoded	// Number of Samples 
							 sizeof(AAFDataBuf),	// Maximum buffer size
							 AAFDataBuf,	  // Buffer for the data
							 &samplesRead,      // Actual number of samples read
							 &AAFBytesRead));	// Actual number of bytes read
		    }
		  else if(testType == testMultiCalls)
		    {
		      aafmMultiXfer_t		xfer;
		      aafmMultiResult_t	result;

		      check(pEssenceAccess->QueryInterface(IID_IAAFEssenceMultiAccess, (void **)&pMultiEssence));
		      xfer.numSamples = dataLen;	//!!! Hardcoded	// Number of Samples 
		      xfer.buflen = sizeof(AAFDataBuf);
		      xfer.buffer = AAFDataBuf;
		      result.bytesXfered = 0;
		      check(pMultiEssence->ReadMultiSamples(1, &xfer, &result));
		      samplesRead = result.samplesXfered;
		      AAFBytesRead = result.bytesXfered;
		      pMultiEssence->Release();
		      pMultiEssence = NULL;
		    }

		  // Now compare the data read from the AAF file to the actual WAV file
		  if (dataLen != AAFBytesRead)
		    {
		      printf("***Wrong number of bytes read (was %u , should be %zu)\n",
			     AAFBytesRead, WAVBytesRead);
		    }
		  if (memcmp( dataPtr, AAFDataBuf, dataLen) != 0)
		    {
		      printf("*** Data Read is different than the data in the WAV file ***\n");
		    }
		}
	      else
		{
		  printf("***Failed to open Wave file Laser.wav for comparison\n");
		}
	    }
	  else
	    {
	      printf("***Wrong number of slots in the Master Mob (was %d should be %d)\n",
		     numSlots, 2);
	    }
	  if (pMasterMob)
	    {
	      pMasterMob->Release();
	      pMasterMob = NULL;
	    }

	  pMob->Release();
	  pMob = NULL;
	  if (pEssenceAccess)
	    {
	      pEssenceAccess->Release();
	      pEssenceAccess = NULL;
	    }
	} // while pMobIter->NextOne
      pMobIter->Release();
      pMobIter = NULL;

    }
  else
    {
      printf("***Wrong number of Master mobs in the file (was %d should be %d)\n",
	     numMobs, 1);
    }
  printf("--------\n");

 cleanup:
  // Cleanup and return

  if (pWavFile)
    fclose(pWavFile);
  if (pMultiEssence)
    pMultiEssence->Release();
  pMultiEssence=NULL;
  if(fmtTemplate)
    {
      fmtTemplate->Release();
      fmtTemplate = NULL;
    }
  if (pEssenceAccess)
    {
      pEssenceAccess->Release();
      pEssenceAccess = NULL;
    }
  if (pDictionary)
    pDictionary->Release();
  pDictionary=NULL;

  if (pHeader)
    pHeader->Release();
  pHeader=NULL;
  if (pMobIter)
    pMobIter->Release();
  pMobIter=NULL;
  if (pFormat)
    pFormat->Release();
  pFormat=NULL;

  if (pFile) 
    {
      pFile->Close();
      pFile->Release();
      pFile=NULL;
    }

  return moduleErrorTmp;
}
Example #3
0
static HRESULT CreateAAFFile(const aafWChar * pFileName, testDataFile_t *dataFile, testType_t /* testType */)
{
  IAAFFile*					pFile = NULL;
  IAAFHeader*					pHeader = NULL;
  IAAFDictionary*				pDictionary = NULL;
  IAAFMob*					pMob = NULL;
  IAAFMasterMob*				pMasterMob = NULL;
  IAAFClassDef*   pKLVDataCD=NULL;
  IAAFClassDef*   pCommentMarkerCD=NULL;
  IAAFTypeDef*    pUnknownBaseType=NULL;
  IAAFTypeDef*	pInt32BaseType=NULL;
  // IAAFTypeDef* pASCIIStringBaseType=NULL;
  IAAFKLVData* pKLVData=NULL;

  IAAFEssenceAccess*			pEssenceAccess = NULL;
  IAAFEssenceMultiAccess*		pMultiEssence = NULL;
  IAAFEssenceFormat*			pFormat = NULL;
  IAAFEssenceFormat*	format = NULL;
  IAAFLocator*	pLocator = NULL;
  IAAFClassDef*	pCDMasterMob = 0;
  IAAFClassDef                *pCDNetworkLocator = 0;
  IAAFDataDef                 *pDdefSound = 0;
  IAAFDataDef*	pDDefSceneDesc=0;
  IAAFEventMobSlot  *pEventSlot=0;
  IAAFMobSlot   *pSlot=0;
  IAAFSequence  *pSeqSceneDesc=0;
  IAAFSegment   *pSegment=0;
  IAAFEvent     *pEventSceneDesc=0;
  IAAFComponent *pComp=0;
  HRESULT	      hr = AAFRESULT_SUCCESS;


  // !!!Previous revisions of this file contained variables here required to handle external essence
  aafMobID_t					masterMobID;
  aafProductIdentification_t	ProductInfo;
  aafRational_t   editRate = {30000, 1001};
  aafRational_t	sampleRate = {44100, 1};
  aafRational_t	eventTimebase = {30000, 1001};
  aafPosition_t	position=0;
  FILE*	pWavFile = NULL;
  unsigned char	dataBuff[4096], *dataPtr;
  //	aafUInt32	bytesWritten;
  aafUInt32	dataOffset, dataLen;
  aafUInt16	bitsPerSample, numCh;
  aafInt32	n, numSpecifiers;
  aafUID_t	essenceFormatCode, testContainer;
  aafUInt32 samplesWritten, bytesWritten;
  // delete any previous test file before continuing...
  char chFileName[1000];
  convert(chFileName, sizeof(chFileName), pFileName);
  remove(chFileName);
  if(dataFile != NULL)
    {
      // delete any previous test file before continuing...
      char chFileName[1000];
      convert(chFileName, sizeof(chFileName), dataFile->dataFilename);
      remove(chFileName);
    }


  aafProductVersion_t v;
  v.major = 1;
  v.minor = 0;
  v.tertiary = 0;
  v.patchLevel = 0;
  v.type = kAAFVersionUnknown;

  ProductInfo.companyName = companyName;
  ProductInfo.productName = productName;
  ProductInfo.productVersion = &v;
  ProductInfo.productVersionString = NULL;
  ProductInfo.productID = NIL_UID;
  ProductInfo.platform = NULL;

  check(AAFFileOpenNewModifyEx (pFileName, &kAAFFileKind_Aaf4KBinary, 0, &ProductInfo, &pFile));
  check(pFile->GetHeader(&pHeader));

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

  check(pDictionary->LookupClassDef(AUID_AAFMasterMob,
				    &pCDMasterMob));
  check(pDictionary->LookupClassDef(AUID_AAFNetworkLocator,
				    &pCDNetworkLocator));
  check(pDictionary->LookupDataDef(kAAFDataDef_Sound,
				   &pDdefSound));

  // !!!Previous revisions of this file contained code here required to handle external essence

  // Get a Master MOB Interface
  check(pCDMasterMob->
	CreateInstance(IID_IAAFMasterMob, 
		       (IUnknown **)&pMasterMob));
  // Get a Mob interface and set its variables.
  check(pMasterMob->QueryInterface(IID_IAAFMob, (void **)&pMob));
  check(pMob->GetMobID(&masterMobID));
  check(pMob->SetName(L"A Master Mob"));
	
  // Add it to the file 
  check(pHeader->AddMob(pMob));

  // !!!Previous revisions of this file contained code here required to handle external essence

  if(dataFile != NULL)
    {
      // Make a locator, and attach it to the EssenceDescriptor
      check(pCDNetworkLocator->
	    CreateInstance(IID_IAAFLocator, 
			   (IUnknown **)&pLocator));		
      check(pLocator->SetPath (dataFile->dataFilename));
      testContainer = dataFile->dataFormat;
    }
  else
    {
      pLocator = NULL;
      testContainer = ContainerAAF;
    }


  // open the Essence file to be included in this AAF file("Laser.wav")
  pWavFile = fopen("Laser.wav", "r");
  if (pWavFile)
    {
      // read in the essence data
      fread(dataBuff, sizeof(unsigned char), sizeof(dataBuff), pWavFile);
      check(loadWAVEHeader(dataBuff,
			   &bitsPerSample,
			   &numCh,
			   &sampleRate,
			   &dataOffset,
			   &dataLen));
      dataPtr = dataBuff + dataOffset;
      // now create the Essence data file
     check(pMasterMob->CreateEssence(1,				// Slot ID
				      pDdefSound,		// MediaKind
				      kAAFCodecWAVE,		// codecID
				      editRate,		// edit rate
				      sampleRate,		// sample rate
				      kAAFCompressionDisable,
				      pLocator,	// In current file
				      testContainer,	// In AAF Format
				      &pEssenceAccess));// Compress disabled

      check(pEssenceAccess->GetFileFormatParameterList (&format));
      check(format->NumFormatSpecifiers (&numSpecifiers));
      for(n = 0; n < numSpecifiers; n++)
	{
	  check(format->GetIndexedFormatSpecifier (n, &essenceFormatCode, 0, NULL, NULL));
	}
      format->Release();
      format = NULL;

      // Tell the AAFEssenceAccess what the format is.
      check(pEssenceAccess->GetEmptyFileFormat (&pFormat));
      check(pFormat->NumFormatSpecifiers (&numSpecifiers));

      aafInt32	sampleSize = bitsPerSample;
      check(pFormat->AddFormatSpecifier (kAAFAudioSampleBits, sizeof(sampleSize), (aafUInt8 *)&sampleSize));
      check(pEssenceAccess->PutFileFormat (pFormat));
      pFormat->Release();
      pFormat = NULL;
      // write out the data

      check(pEssenceAccess->WriteSamples( dataLen,//!!! hardcoded bytes/sample ==1// Number of Samples
						sizeof(dataBuff), // buffer size
						dataPtr,	// THE data
						&samplesWritten,
						&bytesWritten));

      // close essence data file
      fclose(pWavFile);
      pWavFile = NULL;
      // Finish writing the destination
      check(pEssenceAccess->CompleteWrite());
      pEssenceAccess->Release();
      pEssenceAccess=NULL;
      // First register DataDef for SceneDescription
      // Is SceneDescription in dictionary already
      // Try using Timecode for MC compat
      hr = pDictionary->LookupDataDef(kAAFDataDef_Timecode,
				      &pDDefSceneDesc);
      // hr = pDictionary->LookupDataDef(kAAFDataDef_SceneDescription,
      //					 &pDDefSceneDesc);
      if (hr != AAFRESULT_SUCCESS) 
	{
	  check(pDictionary->CreateInstance(AUID_AAFDataDef,IID_IAAFDataDef,
					    (IUnknown **)&pDDefSceneDesc));
	  check(pDDefSceneDesc->Initialize(kAAFDataDef_SceneDescription,
					   L"SceneDescEvent",L"DataDefinition for Scene Description Events"));
	  check(pDictionary->RegisterDataDef(pDDefSceneDesc));
	}

      // Add EventSlot to MasterMob

      // Create Slot
      check(pDictionary->CreateInstance(AUID_AAFEventMobSlot, IID_IAAFEventMobSlot,
					(IUnknown **)&pEventSlot));

      check(pEventSlot->SetEditRate(&eventTimebase));

      // Get the mob slot interface so that we can add the event segment.
      check(pEventSlot->QueryInterface(IID_IAAFMobSlot, (void **)&pSlot));
      pEventSlot->Release();
      pEventSlot = NULL;
      aafSlotID_t eventSlotID=5;
      check(pSlot->SetSlotID(eventSlotID));
      check(pSlot->SetName(L"SceneDescriptions"));

      // Set up Sequence for Scene Descriptors
      check(pDictionary->CreateInstance(AUID_AAFSequence,IID_IAAFSequence,
					(IUnknown **)&pSeqSceneDesc));
      check(pSeqSceneDesc->Initialize(pDDefSceneDesc));

      // Create first Comment Marker
      check(pDictionary->LookupClassDef(AUID_AAFCommentMarker,
					&pCommentMarkerCD));
      check(pCommentMarkerCD->CreateInstance(IID_IAAFEvent,
					     (IUnknown **)&pEventSceneDesc));
      position=0;
      check(pEventSceneDesc->SetPosition(position));
      check(pEventSceneDesc->SetComment(L"Racers heading up the hill"));
      check(pEventSceneDesc->QueryInterface(IID_IAAFComponent, (void **)&pComp));
      check(pComp->SetDataDef(pDDefSceneDesc));		
      // Add it to the sequence
      check(pSeqSceneDesc->AppendComponent(pComp));
      pComp->Release();
      pComp = NULL;
      pEventSceneDesc->Release();
      pEventSceneDesc=NULL;

      // Create second Comment Marker
      check(pCommentMarkerCD->CreateInstance(IID_IAAFEvent,
					     (IUnknown **)&pEventSceneDesc));
      position=100;
      check(pEventSceneDesc->SetPosition(position));
      check(pEventSceneDesc->SetComment(L"Racer pulls away from crowd"));
      check(pEventSceneDesc->QueryInterface(IID_IAAFComponent, (void **)&pComp));
      check(pComp->SetDataDef(pDDefSceneDesc));		
      // Add it to the sequence
      check(pSeqSceneDesc->AppendComponent(pComp));
      pComp->Release();
      pComp = NULL;
      pEventSceneDesc->Release();
      pEventSceneDesc=NULL;
      check(pSeqSceneDesc->QueryInterface(IID_IAAFSegment, (void **)&pSegment));

      // Create third Comment Marker
      check(pCommentMarkerCD->CreateInstance(IID_IAAFEvent,
					     (IUnknown **)&pEventSceneDesc));
      position=250;
      check(pEventSceneDesc->SetPosition(position));
      check(pEventSceneDesc->SetComment(L"Racer passes finish line"));
      check(pEventSceneDesc->QueryInterface(IID_IAAFComponent, (void **)&pComp));
      check(pComp->SetDataDef(pDDefSceneDesc));		
      // Add it to the sequence
      check(pSeqSceneDesc->AppendComponent(pComp));
      pComp->Release();
      pComp = NULL;
      pEventSceneDesc->Release();
      pEventSceneDesc=NULL;
      // Add the event sequence to the event mob slot
      // Sequence must have at least one component to ensure event mob slot is valid
      check(pSlot->SetSegment(pSegment));
      pSegment->Release();
      pSegment = NULL;

      // Append the event slot to the Master Mob
      check(pMob->AppendSlot(pSlot));

      // Add the KLV data to the Master Mob

      // Register the two KLVKeys
      check(pDictionary->LookupTypeDef(kAAFTypeID_UInt8Array,
				       &pUnknownBaseType));
      check(pDictionary->RegisterKLVDataKey(KLVKey_BinaryBlob1,
					    pUnknownBaseType));
      check(pDictionary->LookupTypeDef(kAAFTypeID_Int32,
				       &pInt32BaseType));
      check(pDictionary->RegisterKLVDataKey(KLVKey_Int32_1,
					    pInt32BaseType));
      // Next define new ASCII string data def
      // check(pDictionary->RegisterKLVDataKey(KLVKey_ASCIIString1,
      //				      pASCIIStringBaseType));

      // Get the KLVData ClassDefinition
      check(pDictionary->LookupClassDef(AUID_AAFKLVData,
					&pKLVDataCD));


      // Create KLVData and append it to Mob
      check(pKLVDataCD->CreateInstance(IID_IAAFKLVData, 
				       (IUnknown **)&pKLVData));
		
      check(pKLVData->Initialize(KLVKey_BinaryBlob1,
				 sizeof(blobData), (aafUInt8 *)blobData));
      check(pMob->AppendKLVData(pKLVData));
      pKLVData->Release();
      pKLVData=NULL;

      // Create KLVData and append it to Mob
      check(pKLVDataCD->CreateInstance(IID_IAAFKLVData, 
				       (IUnknown **)&pKLVData));
		
      check(pKLVData->Initialize(KLVKey_Int32_1,
				 sizeof(int32Data), (aafUInt8 *)&int32Data));
      check(pMob->AppendKLVData(pKLVData));
      pKLVData->Release();
      pKLVData=NULL;
    }
  else
    {
      printf("***Failed to open Wave file Laser.wav\n");
    }
  // Release all unnecesary interfaces

  if (pInt32BaseType)
    pInt32BaseType->Release();
  pInt32BaseType=NULL;
  if (pUnknownBaseType)
    pUnknownBaseType->Release();
  pUnknownBaseType=NULL;
  if (pKLVDataCD)
    pKLVDataCD->Release();
  pKLVDataCD=NULL;
  if (pCommentMarkerCD)
    pCommentMarkerCD->Release();
  pCommentMarkerCD=NULL;
  if(pComp)
    pComp->Release();
  pComp=NULL;
  if(pEventSceneDesc)
    pEventSceneDesc->Release();
  pEventSceneDesc=0;
  if(pSegment)
    pSegment->Release();
  pSegment=NULL;
  if(pSeqSceneDesc)
    pSeqSceneDesc->Release();
  pSeqSceneDesc=NULL;
  if(pSlot)
    pSlot->Release();
  pSlot=NULL;
  if(pEventSlot)
    pEventSlot->Release();
  pEventSlot=NULL;
  if(pDDefSceneDesc)
    pDDefSceneDesc->Release();
  pDDefSceneDesc=NULL;

  if(pMasterMob)
    pMasterMob->Release();
  pMasterMob = NULL;
  if(pMob)
    pMob->Release();
  pMob = NULL;

  if(pDictionary)
    pDictionary->Release();
  pDictionary = NULL;
  if(pHeader)
    pHeader->Release();
  pHeader = NULL;
  //!!!DebugOnly
  pFile->Save();
  pFile->Close();
  pFile->Release();
  pFile = NULL;
  if (pEssenceAccess)
    {	
      pEssenceAccess->Release();
      pEssenceAccess= NULL;
    }

 cleanup:
  // Cleanup and return
  if(pFormat)
    pFormat->Release();
  if(format)
    format->Release();
  if(pLocator)
    pLocator->Release();

  if (pWavFile)
    fclose(pWavFile);

  if (pEssenceAccess)
    pEssenceAccess->Release();
	
  if (pMultiEssence)
    pMultiEssence->Release();
	
  if (pMasterMob)
    pMasterMob->Release();

  if (pMob)
    pMob->Release();

  if (pDictionary)
    pDictionary->Release();

  if (pHeader)
    pHeader->Release();

  if (pCDMasterMob)
    {
      pCDMasterMob->Release();
      pCDMasterMob = 0;
    }

  if (pCDNetworkLocator)
    {
      pCDNetworkLocator->Release();
      pCDNetworkLocator = 0;
    }

  if (pDdefSound)
    {
      pDdefSound->Release ();
      pDdefSound = 0;
    }

  if (pFile)
    {
      pFile->Close();
      pFile->Release();
    }


  return moduleErrorTmp;
}
Example #4
0
static HRESULT OpenAAFFile(aafWChar * pFileName, bool comp_enable)
{
	IAAFFile*					pFile = NULL;
	IAAFHeader*					pHeader = NULL;
	IAAFDictionary*				pDictionary = NULL;
	IAAFMob*					pMob = NULL;
	IAAFEssenceAccess*			pEssenceAccess = NULL;
	IEnumAAFMobs*				pMobIter = NULL;
	aafNumSlots_t				numMobs, numSlots;
	aafSearchCrit_t				criteria;
	aafMobID_t					mobID;
	IAAFDataDef					*pPictureDef = NULL;
	IAAFMobSlot*				pMobSlot = NULL;


	// Open an AAF file
	check(AAFFileOpenExistingRead (pFileName, 0, &pFile));
	check(pFile->GetHeader(&pHeader));

	// Open raw video output file
	FILE		*output;
	const char	*output_file = comp_enable ? "raw.uyvy" : "raw.mjpeg";

	if ((output = fopen(output_file, "wb")) == NULL)
	{
		perror(output_file);
		exit(1);
	}

	// Get the AAF Dictionary from the file
	check(pHeader->GetDictionary(&pDictionary));

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

	/* Check number of Mobs in file */
	check(pHeader->CountMobs(kAAFMasterMob, &numMobs));
	if (numMobs == 0)
		return 0;

	printf("Found %d Master Mobs\n", numMobs);
	criteria.searchTag = kAAFByMobKind;
	criteria.tags.mobKind = kAAFMasterMob;
	check(pHeader->GetMobs(&criteria, &pMobIter));

	while (AAFRESULT_SUCCESS == pMobIter->NextOne(&pMob))
	{
		char mobIDstr[256];
		char mobName[256];
		aafWChar	namebuf[1204];
		IAAFTimelineMobSlot* pTimelineMobSlot = NULL;
		IAAFDataDef *pDataDef = NULL;

		IEnumAAFMobSlots* pMobSlotIter = NULL;


		check(pMob->GetMobID (&mobID));
		check(pMob->GetName (namebuf, sizeof(namebuf)));
		convert(mobName, sizeof(mobName), namebuf);
		MobIDtoString(mobID, mobIDstr);
		printf("    MasterMob Name = '%s'\n", mobName);
		printf("        (mobID %s)\n", mobIDstr);
		
		// Get the number of slots
		check(pMob->CountSlots(&numSlots));
		
		// Iterating through all Mob Slots

		check(pMob->GetSlots(&pMobSlotIter));
		while(AAFRESULT_SUCCESS == pMobSlotIter->NextOne(&pMobSlot))
		{
			// Check to see if it is a Video Timeline Mob Slot
			HRESULT hr;
	
			hr = pMobSlot->QueryInterface(IID_IAAFTimelineMobSlot,(void **) &pTimelineMobSlot);
			if (FAILED(hr))
			{
				pMobSlot->Release();
				pMobSlot = NULL;
				continue;
			}

			check(pMobSlot->GetDataDef(&pDataDef));

			// Check that we have a picture data def
			aafBool bIsPictureKind = kAAFFalse;
			check(pDataDef->IsPictureKind(&bIsPictureKind));

			if (kAAFTrue != bIsPictureKind)
			{
				pTimelineMobSlot->Release();
				pTimelineMobSlot = NULL;

				pDataDef->Release();
				pDataDef = NULL;
				continue;			// skip non-picture data defs
			}

			aafUInt32 MobSlotID;
			IAAFMasterMob*			pMasterMob = NULL;

			// Prepare to get video data: first get MobSlotID
			check(pMobSlot->GetSlotID(&MobSlotID));

			// Then get a Master Mob interface
			check(pMob->QueryInterface(IID_IAAFMasterMob, (void **)&pMasterMob));
			
			printf("    Opening slot %d with %s\n", MobSlotID, comp_enable ? "CompressionEnable" : "CompressionDisable");

			// Open the Essence Data
			check(pMasterMob->OpenEssence(MobSlotID,
									 	  NULL,	
										  kAAFMediaOpenReadOnly,
										  comp_enable ? kAAFCompressionEnable : kAAFCompressionDisable, 
										  &pEssenceAccess));

			// First put the codec into YUV pixel format
			IAAFEssenceFormat*	pSetFormat = NULL;
			aafInt32			YUV_pixel = kAAFColorSpaceYUV;
			check(pEssenceAccess->GetEmptyFileFormat(&pSetFormat));
			check(pSetFormat->AddFormatSpecifier(kAAFPixelFormat, 4, (unsigned char *) &YUV_pixel));
			check(pEssenceAccess->PutFileFormat(pSetFormat));
			pSetFormat->Release();

			// Get the information about the format of the video data.
			// The pFormat object must be setup with each specifier you
			// wish to access, otherwise you get AAFRESULT_FORMAT_NOT_FOUND.
			aafRational_t		sampleRate;
			aafUInt32			maxSampleSize;
			aafRect_t			storedRect;
			aafFrameLayout_t	frameLayout;

			IAAFEssenceFormat			*fmtTemplate =  NULL;
			IAAFEssenceFormat*			pFormat = NULL;
			check(pEssenceAccess->GetEmptyFileFormat (&fmtTemplate));
			check(fmtTemplate->AddFormatSpecifier(kAAFSampleRate, 0, NULL));
			check(fmtTemplate->AddFormatSpecifier(kAAFMaxSampleBytes, 0, NULL));
			check(fmtTemplate->AddFormatSpecifier(kAAFStoredRect, 0, NULL));
			check(fmtTemplate->AddFormatSpecifier(kAAFFrameLayout, 0, NULL));
			check(pEssenceAccess->GetFileFormat(fmtTemplate, &pFormat));

			fmtTemplate->Release();
			fmtTemplate = NULL;
			
			aafInt32 fmtBytesRead;
			check(pFormat->GetFormatSpecifier(kAAFSampleRate, sizeof(sampleRate),
							(aafDataBuffer_t)&sampleRate, &fmtBytesRead));
			check(pFormat->GetFormatSpecifier(kAAFMaxSampleBytes, sizeof(maxSampleSize),
							(aafDataBuffer_t)&maxSampleSize, &fmtBytesRead));
			check(pFormat->GetFormatSpecifier(kAAFStoredRect, sizeof(storedRect),
							(aafDataBuffer_t)&storedRect, &fmtBytesRead));
			check(pFormat->GetFormatSpecifier(kAAFFrameLayout, sizeof(frameLayout),
							(aafDataBuffer_t)&frameLayout, &fmtBytesRead));

			pFormat->Release();
			pFormat = NULL;
	
			// Get the sample count which is in terms of EditRate
			aafLength_t sampleCount;
			check(pEssenceAccess->CountSamples(pPictureDef, &sampleCount));

			const char *frameLayoutStr = "";
			switch (frameLayout)
			{
				case kAAFFullFrame: frameLayoutStr = "FullFrame"; break;
				case kAAFOneField: frameLayoutStr = "OneField"; break;
				case kAAFSeparateFields: frameLayoutStr = "SeparateFields"; break;
				case kAAFMixedFields: frameLayoutStr = "MixedFields"; break;
				default: break;
			}
			printf("\tSlotID %u: SampleRate=%d/%d MaxSampleBytes=%u StoredRect=%dx%d\n",
						MobSlotID, sampleRate.numerator, sampleRate.denominator,
						maxSampleSize, storedRect.xSize, storedRect.ySize);
	
			printf("\t\tFrameLayout=%s CountSamples=%"AAFFMT64"d\n", frameLayoutStr, sampleCount);

			// Buffer to receive samples from ReadSamples
			aafUInt8 *dataBuf = new aafUInt8[maxSampleSize];

			// Buffer to recombine separated fields into interleaved fields
			aafUInt8 *recombined_buf = new aafUInt8[maxSampleSize];

			// Read samples until no more are available
			aafUInt32	samplesRead, actualBytesRead, total_samples = 0;
			while (true)
			{
				hr = (pEssenceAccess->ReadSamples(
								1, 					// number of samples to read
								maxSampleSize,		// maximum buffer size
								dataBuf,			// output buffer for audio data
								&samplesRead,		// number of samples read
								&actualBytesRead));	// number of bytes read
				if (hr == AAFRESULT_EOF)
					break;
				else
					check(hr);

				aaf_assert(actualBytesRead != 0, "actualBytesRead != 0");

				total_samples += samplesRead;

				aafUInt8* saveBuf = dataBuf;
				if (comp_enable && frameLayout == kAAFSeparateFields) {
					// recombine fields into uncompressed frame when decompressing
					recombine_fields(dataBuf, recombined_buf, storedRect.xSize, storedRect.ySize);
					saveBuf = recombined_buf;
				}

				// Write out video
				if ( fwrite(saveBuf, maxSampleSize, 1, output) != 1 )
				{
					perror(output_file);
					return 1;
				}
			}
			printf("\tTotal samples=%u - written to %s\n", total_samples, output_file);
			
			delete [] dataBuf;
			delete [] recombined_buf;

			pEssenceAccess->Release();
			pEssenceAccess = NULL;
			pMasterMob->Release();
			pMasterMob = NULL;
		}
	
		pMobSlotIter->Release();
		pMobSlotIter = NULL;
	
		pMob->Release();
		pMob = NULL;
	}

	pMobIter->Release();
	pMobIter = NULL;

	return moduleErrorTmp;
}
Example #5
0
static HRESULT OpenAAFFile(aafWChar * pFileName)
{
	IAAFFile*					pFile = NULL;
	IAAFHeader*					pHeader = NULL;
	IAAFDictionary*				pDictionary = NULL;
	IAAFMob*					pMob = NULL;
	IAAFEssenceAccess*			pEssenceAccess = NULL;
	IAAFEssenceFormat*			pFormat = NULL;
	IEnumAAFMobs*				pMobIter = NULL;
	aafNumSlots_t				numMobs, numSlots;
	aafSearchCrit_t				criteria;
	aafMobID_t					mobID;
	IAAFDataDef					*pSoundDef = NULL;
	IAAFMobSlot*				pMobSlot = NULL;


	// Open an AAF file
	check(AAFFileOpenExistingRead (pFileName, 0, &pFile));
	check(pFile->GetHeader(&pHeader));

	// Open raw audio output file
	FILE		*output;
	const char	*output_file = "raw.pcm";

	if ((output = fopen(output_file, "wb")) == NULL)
	{
		perror(output_file);
		exit(1);
	}

	// Get the AAF Dictionary from the file
	check(pHeader->GetDictionary(&pDictionary));

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

	/* Check number of Mobs in file */
	check(pHeader->CountMobs(kAAFMasterMob, &numMobs));
	if (numMobs == 0)
	{
		printf("No Master Mobs found in AAF file\n");
		return 0;
	}

	printf("Found %d Master Mobs\n", numMobs);
	criteria.searchTag = kAAFByMobKind;
	criteria.tags.mobKind = kAAFMasterMob;
	check(pHeader->GetMobs(&criteria, &pMobIter));

	while (AAFRESULT_SUCCESS == pMobIter->NextOne(&pMob))
	{
		char mobIDstr[256];
		aafWChar	namebuf[1204];
		IAAFTimelineMobSlot* pTimelineMobSlot = NULL;
		IAAFDataDef *pDataDef = NULL;
		IAAFEssenceFormat			*fmtTemplate =  NULL;
		unsigned char *dataBuff = NULL;

		IEnumAAFMobSlots* pMobSlotIter = NULL;


		check(pMob->GetMobID (&mobID));
		check(pMob->GetName (namebuf, sizeof(namebuf)));
		MobIDtoString(mobID, mobIDstr);
		printf("    MasterMob Name = '%ls'\n", namebuf);
		printf("        (mobID %s)\n", mobIDstr);
		
		// Get the number of slots
		check(pMob->CountSlots(&numSlots));
		
		// Iterating through all Mob Slots

		check(pMob->GetSlots(&pMobSlotIter));
		while(AAFRESULT_SUCCESS == pMobSlotIter->NextOne(&pMobSlot))
		{
			// Check to see if it is an Audio Timeline Mob Slot
			HRESULT hr;
			aafUInt32 MobSlotID;
	
			hr=pMobSlot->QueryInterface(IID_IAAFTimelineMobSlot,(void **) &pTimelineMobSlot);
			if (SUCCEEDED(hr))
			{
				check(pMobSlot->GetDataDef(&pDataDef));
	
				// Check that we have a sound file by examining its data definition
				aafBool bIsSoundKind = kAAFFalse;
				check(pDataDef->IsSoundKind(&bIsSoundKind));
	
				if (kAAFTrue == bIsSoundKind)
				{
					IAAFMasterMob*			pMasterMob = NULL;

					// Prepare to get audio data: first get MobSlotID
					check(pMobSlot->GetSlotID(&MobSlotID));
	
					// Then get a Master Mob interface
					check(pMob->QueryInterface(IID_IAAFMasterMob, (void **)&pMasterMob));
					
					// Open the Essence Data
					check(pMasterMob->OpenEssence(MobSlotID,
											 	  NULL,	
												  kAAFMediaOpenReadOnly,
												  kAAFCompressionDisable, 
												  &pEssenceAccess));
					
					// Get the information about the format of the audio data.
					// The pFormat object must be setup with each specifier you
					// wish to access, otherwise you get AAFRESULT_FORMAT_NOT_FOUND.
					aafUInt32			audioSampleBits;
					aafRational_t		sampleRate;
					aafUInt32			numChannels;
					aafUInt32			maxSampleBytes;

					check(pEssenceAccess->GetEmptyFileFormat(&fmtTemplate));
					check(fmtTemplate->AddFormatSpecifier(kAAFAudioSampleBits, 0, NULL));
					check(fmtTemplate->AddFormatSpecifier(kAAFSampleRate, 0, NULL));
					check(fmtTemplate->AddFormatSpecifier(kAAFNumChannels, 0, NULL));
					check(fmtTemplate->AddFormatSpecifier(kAAFMaxSampleBytes, 0, NULL));
					check(pEssenceAccess->GetFileFormat(fmtTemplate, &pFormat));

					fmtTemplate->Release();
					fmtTemplate = NULL;
					
					aafInt32 fmtBytesRead;
					check(pFormat->GetFormatSpecifier(kAAFAudioSampleBits, sizeof(audioSampleBits),
									(aafDataBuffer_t)&audioSampleBits, &fmtBytesRead));
					check(pFormat->GetFormatSpecifier(kAAFSampleRate, sizeof(sampleRate),
									(aafDataBuffer_t)&sampleRate, &fmtBytesRead));
					check(pFormat->GetFormatSpecifier(kAAFNumChannels, sizeof(numChannels),
									(aafDataBuffer_t)&numChannels, &fmtBytesRead));
					check(pFormat->GetFormatSpecifier(kAAFMaxSampleBytes, sizeof(maxSampleBytes),
									(aafDataBuffer_t)&maxSampleBytes, &fmtBytesRead));

					pFormat->Release();
					pFormat = NULL;
			
					// Get the sample count which is in terms of EditRate
					aafLength_t sampleCount;
					check(pEssenceAccess->CountSamples(pSoundDef, &sampleCount));

					printf("\tSlotID %u: SampleBits=%d SampleRate=%d/%d NumChannels=%d MaxSampleBytes=%u\n",
								MobSlotID,
								audioSampleBits, sampleRate.numerator, sampleRate.denominator,
								numChannels, maxSampleBytes);
			
					printf("\t\tCountSamples=%"AAFFMT64"d\n", sampleCount);
	
					// Set a suitable buffer size						
					dataBuff = new unsigned char[maxSampleBytes];
	
					// Read samples until no more are available
					aafUInt32	samplesRead, actualBytesRead, total_samples = 0;
					while (true)
					{
						hr = (pEssenceAccess->ReadSamples(
										1, 					// number of samples to read
										maxSampleBytes,		// maximum buffer size
										dataBuff,			// output buffer for audio data
										&samplesRead,		// number of samples read
										&actualBytesRead));	// number of bytes read
						if (hr == AAFRESULT_EOF)
							break;
						else
							check(hr);
	
						if (actualBytesRead!=0)
						{
							total_samples += samplesRead;

							// Write out samples
							if ( fwrite(dataBuff, maxSampleBytes, 1, output) != 1 )
							{
								perror(output_file);
								return 1;
							}
						} 
					}
					printf("\tTotal samples = %u (written to %s)\n", total_samples, output_file);
					
					delete [] dataBuff;
					dataBuff = NULL;
					
					pEssenceAccess->Release();
					pEssenceAccess = NULL;
					pMasterMob->Release();
					pMasterMob = NULL;
				}
	
				pTimelineMobSlot->Release();
				pTimelineMobSlot = NULL;
	
				pDataDef->Release();
				pDataDef = NULL;
			}	
	
			pMobSlot->Release();
			pMobSlot = NULL;
		}
	
		pMobSlotIter->Release();
		pMobSlotIter = NULL;
	
		pMob->Release();
		pMob = NULL;
	}

	pMobIter->Release();
	pMobIter = NULL;

	return moduleErrorTmp;
}
Example #6
0
static HRESULT CreateAAFFile(const aafWChar * pFileName)
{
	IAAFFile*					pFile = NULL;
	IAAFHeader*					pHeader = NULL;
	IAAFDictionary*				pDictionary = NULL;
	IAAFMob*					pMob = NULL;
	IAAFMasterMob*				pMasterMob = NULL;
	IAAFEssenceAccess*			pEssenceAccess = NULL;
	IAAFEssenceFormat*			pFormat = NULL;
	IAAFLocator					*pLocator = NULL;
	aafMobID_t					masterMobID;
	aafProductIdentification_t	ProductInfo;
	aafRational_t				editRate = {11025, 1};
	aafRational_t				sampleRate = {11025, 1};
	IAAFClassDef				*pCDMasterMob = NULL;
	IAAFDataDef					*pSoundDef = NULL;
	aafUInt32					samplesWritten, bytesWritten;

	// Delete any previous test file before continuing...
	char cFileName[FILENAME_MAX];
	convert(cFileName, sizeof(cFileName), pFileName);
	remove(cFileName);

	aafProductVersion_t ver = {1, 0, 0, 0, kAAFVersionBeta};
	ProductInfo.companyName = companyName;
	ProductInfo.productName = productName;
	ProductInfo.productVersion = &ver;
	ProductInfo.productVersionString = NULL;
	ProductInfo.productID = NIL_UID;
	ProductInfo.platform = NULL;		// Set by SDK when saving

	// Create a new AAF file
	check(AAFFileOpenNewModify (pFileName, 0, &ProductInfo, &pFile));
	check(pFile->GetHeader(&pHeader));

	// Get the AAF Dictionary from the file
	check(pHeader->GetDictionary(&pDictionary));

	/* Lookup class definitions for the objects we want to create. */
	check(pDictionary->LookupClassDef(AUID_AAFMasterMob, &pCDMasterMob));

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

	/* Create a Mastermob */

	// Get a Master MOB Interface
	check(pCDMasterMob->CreateInstance(IID_IAAFMasterMob, (IUnknown **)&pMasterMob));

	// Get a Mob interface and set its variables.
	check(pMasterMob->QueryInterface(IID_IAAFMob, (void **)&pMob));
	check(pMob->GetMobID(&masterMobID));
	if (input_video == NULL)
	{
		check(pMob->SetName(L"Laser"));
	}
	else
	{
		check(pMob->SetName(pFileName));
	}

	// Add Mobs to the Header
	check(pHeader->AddMob(pMob));

	// Locator needed for non-embedded essence
	IAAFClassDef *classDef = NULL;
	check(pDictionary->LookupClassDef(AUID_AAFNetworkLocator, &classDef));
	check(classDef->CreateInstance(IID_IAAFLocator, (IUnknown **)&pLocator));
	classDef->Release();
	classDef = NULL;

	if (container == NIL_UID)
	{
		pLocator = NULL;
	}
	else if (container == ContainerAAF)
	{
		check(pLocator->SetPath(L"Laser.aaf"));
		remove("Laser.aaf");
	}
	else if (container == ContainerFile)
	{
		check(pLocator->SetPath(L"Laser.pcm"));
		remove("Laser.pcm");
	}
	else	// RIFFWAVE container
	{
		check(pLocator->SetPath(L"Laser.wav"));
		remove("Laser.wav");
	}

	// Get a pointer to video data for WriteSamples
	unsigned char *dataPtr, buf[4096];
	memcpy(buf, uncompressedWAVE_Laser+44, sizeof(uncompressedWAVE_Laser));
	dataPtr = buf;

	/* Create the Essence Data specifying the codec, container, edit rate and sample rate */
	check(pMasterMob->CreateEssence(1,			// Slot ID within MasterMob
						pSoundDef,				// MediaKind
						kAAFCodecPCM,			// codecID
						editRate,				// edit rate
						sampleRate,				// sample rate
						kAAFCompressionDisable,
						pLocator,				// Locator
						container,			// Container
						&pEssenceAccess));		//

	pEssenceAccess->SetEssenceCodecFlavour( kAAFNilCodecFlavour );

	// Set Format specifiers that describe the essence data
	// Sample rate is already specified in the CreateEssence() call
	aafUInt32 sampleBits = 8;
	aafUInt32 numChannels = 1;

	check(pEssenceAccess->GetEmptyFileFormat(&pFormat));
	check(pFormat->AddFormatSpecifier(kAAFAudioSampleBits, sizeof(sampleBits), (aafUInt8 *)&sampleBits));
	check(pFormat->AddFormatSpecifier(kAAFNumChannels, sizeof(numChannels), (aafUInt8 *)&numChannels));
	check(pEssenceAccess->PutFileFormat(pFormat));

	pFormat->Release();

	/* Write the samples */
	int total_samples = 0;
	if (input_video == NULL)		// using generated uncompressed video?
	{
		for (int i = 0; i < 1793; i++)		// Laser example has 1793 samples
		{
			check(pEssenceAccess->WriteSamples(
						1,					//
						sizeof(buf),		// buffer size
						dataPtr++,			// pointer to video frame
						&samplesWritten,
						&bytesWritten));
			total_samples += samplesWritten;
		}
	}
	printf("Wrote %d samples\n", total_samples);

	/* Set the essence to indicate that you have finished writing the samples */
	check(pEssenceAccess->CompleteWrite());

	pEssenceAccess->Release();
	pEssenceAccess = NULL;

	/* Release COM interfaces */

	pMob->Release();
	pMasterMob->Release();

	pSoundDef->Release();
	pCDMasterMob->Release();

	pDictionary->Release();
	pHeader->Release();

	/* Save the AAF file */
	pFile->Save();

	/* Close the AAF file */
	pFile->Close();
	pFile->Release();

	return moduleErrorTmp;
}