IAAFParameter *AAFDomainUtils::AAFAddConstantVal(IAAFDictionary *dict, IAAFParameterDef *pParameterDef, long buflen, void *buf, IAAFOperationGroup *pGroup)
{
IAAFConstantValue *pCVal = NULL;
IAAFParameter *pParm = NULL;
// AAFRESULT rc;
CAAFBuiltinDefs defs (dict);
CHECKAAF(defs.cdConstantValue()->
CreateInstance(IID_IAAFConstantValue,
(IUnknown **)&pCVal));
CHECKAAF(pCVal->Initialize (pParameterDef, buflen, (unsigned char *)buf));
CHECKAAF(pCVal->QueryInterface(IID_IAAFParameter, (void **) &pParm));
CHECKAAF(pGroup->AddParameter(pParm));
//cleanup:
if(pParm)
pParm->Release();
if(pCVal)
pCVal->Release();
return(pParm);
}
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
checkResult(pSequence->QueryInterface(IID_IAAFSegment, (void **)&pSegment));
// Get a component interface and
checkResult(pSequence->QueryInterface(IID_IAAFComponent, (void **)&pComponent));
// set the Data definition for it !
checkResult(pComponent->SetDataDef(defs.ddkAAFPicture()));
// Release the component - because we need to reuse the pointer later
pComponent->Release();
pComponent = NULL;
// Create a new Mob Slot that will contain the sequence
aafRational_t editRate = { 0, 1};
checkResult(pMob->AppendNewTimelineSlot(editRate,
pSegment,
1,
L"Transition",
0,
&pNewSlot));
// Create a Filler
checkResult(defs.cdFiller()->
CreateInstance(IID_IAAFFiller,
(IUnknown **) &pFiller));
// Get a component interface
checkResult(pFiller->QueryInterface(IID_IAAFComponent, (void **) &pComponent));
// Set values for the filler
checkResult(pFiller->Initialize(defs.ddkAAFPicture(), fillerLength));
// append the filler to the sequence
checkResult(pSequence->AppendComponent(pComponent));
// Release the component - because we need to reuse the pointer later
pFiller->Release();
pFiller = NULL;
pComponent->Release();
pComponent = NULL;
checkResult(defs.cdTransition()->
CreateInstance(IID_IAAFTransition,
(IUnknown **)&pTransition));
// Create an empty EffectGroup object !!
checkResult(defs.cdOperationGroup()->
CreateInstance(IID_IAAFOperationGroup,
(IUnknown **)&pOperationGroup));
checkResult(pOperationGroup->Initialize(defs.ddkAAFPicture(), transitionLength, pOperationDef));
// Create a constant value parameter.
checkResult(defs.cdConstantValue()->
CreateInstance(IID_IAAFConstantValue,
(IUnknown **)&pConstantValue));
aafRational_t testLevel = {1, 2};
checkResult(pConstantValue->Initialize (pParamDef, sizeof(testLevel), (aafDataBuffer_t)&testLevel));
checkResult(pConstantValue->QueryInterface (IID_IAAFParameter, (void **)&pParm));
checkResult(pOperationGroup->AddParameter (pParm));
pParm->Release();
pParm = NULL;
pConstantValue->Release();
pConstantValue = NULL;
checkResult(defs.cdFiller()->
CreateInstance(IID_IAAFSegment,
(IUnknown **) &pEffectFiller));
checkResult(pEffectFiller->QueryInterface(IID_IAAFComponent, (void **)&pComponent));
checkResult(pComponent->SetDataDef(defs.ddkAAFPicture()));
pComponent->Release();
pComponent = NULL;
checkResult(pOperationGroup->AppendInputSegment (pEffectFiller));
// release the filler
pEffectFiller->Release();
pEffectFiller = NULL;
checkResult(pOperationGroup->SetBypassOverride (1));
checkResult(defs.cdSourceClip()->
CreateInstance(IID_IAAFSourceClip,
(IUnknown **)&pSourceClip));
aafSourceRef_t sourceRef;
sourceRef.sourceID = zeroMobID;
sourceRef.sourceSlotID = 0;
sourceRef.startTime = 0;
checkResult(pSourceClip->Initialize (defs.ddkAAFPicture(),
effectLen,
sourceRef));
checkResult(pSourceClip->QueryInterface (IID_IAAFSourceReference,
(void **)&pSourceRef));
checkResult(pOperationGroup->SetRender (pSourceRef));
checkResult(pTransition->Initialize (defs.ddkAAFPicture(),
transitionLength,
cutPoint,
pOperationGroup));
checkResult(pTransition->QueryInterface (IID_IAAFComponent,
(void **)&pComponent));
// now append the transition
checkResult(pSequence->AppendComponent(pComponent));
// Release the component - because we need to reuse the pointer later
pComponent->Release();
pComponent = NULL;
// Create the second filler
checkResult(defs.cdFiller()->
CreateInstance(IID_IAAFFiller,
(IUnknown **) &pFiller));
checkResult(pFiller->QueryInterface(IID_IAAFComponent, (void **) &pComponent));
// Set values for the filler
checkResult(pFiller->Initialize(defs.ddkAAFPicture(), fillerLength));
// append the filler to the sequence
checkResult(pSequence->AppendComponent(pComponent));
pComponent->Release();
pComponent = NULL;
pFiller->Release();
pFiller = NULL;
// Now, we append the composition mob to the file
checkResult(pHeader->AddMob(pMob));
// and we are done !
}
catch (HRESULT& rResult)
{
hr = rResult;
}
// Cleanup and return
if (pParm)
pParm->Release();
if (pConstantValue)
pConstantValue->Release();
if (pParamDef)
pParamDef->Release();
if (pSourceClip)
pSourceClip->Release();
if (pSourceRef)
pSourceRef->Release();
if (pNewSlot)
pNewSlot->Release();
if (pSegment)
pSegment->Release();
if (pSequence)
pSequence->Release();
if (pFiller)
pFiller->Release();
if (pOperationDef)
pOperationDef->Release();
if (pOperationGroup)
pOperationGroup->Release();
if (pMob)
pMob->Release();
if (pCompMob)
pCompMob->Release();
if (pDictionary)
pDictionary->Release();
if (pHeader)
pHeader->Release();
if (pTransition)
pTransition->Release();
if (pFile)
{
if (bFileOpen)
{
pFile->Save();
pFile->Close();
}
pFile->Release();
}
return hr;
}