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;
}
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));
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);
// Add a Source Clip for each Master Mob to the audio sequence by iterating
check(pMob->GetSlots(&pMobSlotIter));
/* Iterating through all Mob Slots */
// Get the number of slots
check(pMob->CountSlots(&numSlots));
while (lookingForAudio && (AAFRESULT_SUCCESS == pMobSlotIter->NextOne(&pMobSlot)));
{
/* Check to see if it is an Audio Timeline Mob Slot */
HRESULT hr;
hr=pMobSlot->QueryInterface(IID_IAAFTimelineMobSlot,(void **) &pTimelineMobSlot);
if (SUCCEEDED(hr))
{
printf("Found a timeline mob slot\n");
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)
{
printf("Found a sound file\n");
// We are no longer looking for audio data so set boolean
lookingForAudio = false;
/* Get the information for the new source clip */
check(pMob->GetMobID(&sourceRef.sourceID));
check(pMobSlot->GetSlotID(&sourceRef.sourceSlotID));
check(pTimelineMobSlot->GetOrigin(&sourceRef.startTime));
check(pMobSlot->GetSegment(&pSegment));
check(pSegment->QueryInterface(IID_IAAFComponent, (void **)&pComponent));
check(pComponent->GetLength(&duration));
pComponent->Release();
pComponent = NULL;
pSegment->Release();
pSegment = NULL;
// this loop is to be removed upon fixing of the bug
// in essenceaccess relating to codec definitions...
int j = 0;
for (j=0; j<10; j++)
{
/* Create a new Source Clip */
check(pSourceClipDef->
CreateInstance(IID_IAAFSourceClip,
(IUnknown **)&pSourceClip));
// Initialize the Source Clip
check(pSourceClip->Initialize( pSoundDef, duration, sourceRef));
check(pSourceClip->QueryInterface(IID_IAAFComponent, (void **) &pComponent));
check(pAudioSequence->AppendComponent(pComponent));
pComponent->Release();
pComponent = NULL;
pSourceClip->Release();
pSourceClip = NULL;
}
}
pTimelineMobSlot->Release();
pTimelineMobSlot = NULL;
pDataDef->Release();
pDataDef = NULL;
}
pMobSlot->Release();
pMobSlot = NULL;
}
pMobSlotIter->Release();
pMobSlotIter = NULL;
pMob->Release();
pMob = NULL;
}
pAudioSequence->Release();
pAudioSequence = NULL;
pCompMob->Release();
pCompMob = NULL;
pMobIter->Release();
pMobIter = NULL;
}
else
{
printf("Error with file: File has no Master mobs.\n");
}
cleanup:
// Cleanup and return
if (pSourceClip)
pSourceClip->Release();
if (pComponent)
pComponent->Release();
if (pSegment)
pSegment->Release();
if (pTimelineMobSlot)
pTimelineMobSlot->Release();
if (pMobSlotIter)
pMobSlotIter->Release();
if (pMob)
pMob->Release();
if (newSlot)
newSlot->Release();
if (aComponent)
aComponent->Release();
if (seg)
seg->Release();
if (pAudioSequence)
pAudioSequence->Release();
if (pCompMob)
pCompMob->Release();
if (pMobIter)
pMobIter->Release();
if (pDataDef)
pDataDef->Release();
if (pSoundDef)
pSoundDef->Release();
if (pSourceClipDef)
pSourceClipDef->Release();
if (pSequenceDef)
pSequenceDef->Release();
if (pCompositionMobDef)
pCompositionMobDef->Release();
if (pDictionary)
pDictionary->Release();
if (pHeader)
pHeader->Release();
if (pFile)
{
/* Save the AAF file */
pFile->Save();
/* Close the AAF file */
pFile->Close();
pFile->Release();
}
return moduleErrorTmp;
}
