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();
if (pOperationGroup)
pOperationGroup->Release();
if (pComponent)
pComponent->Release();
if (pSegment)
pSegment->Release();
if (pMobSlot)
pMobSlot->Release();
if (pSequence)
pSequence->Release();
if (pCompIter)
pCompIter->Release();
if (pEnum)
pEnum->Release();
if (pFiller)
pFiller->Release();
if (pMob)
pMob->Release();
if (pMobIter)
pMobIter->Release();
if (pDictionary)
pDictionary->Release();
if (pHeader)
pHeader->Release();
if (pFile)
{
if (bFileOpen)
pFile->Close();
pFile->Release();
}
return 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));
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;
}
