AAFRESULT ImplAAFSegment::GenerateSequence(ImplAAFSequence **seq)
{
ImplAAFDictionary *pDictionary = NULL;
ImplAAFSequence *tmp = NULL;
// *** ImplAAFDataDef *datakind;
XPROTECT( )
{
// *** CHECK(GetDatakind(&datakind));
CHECK(GetDictionary(&pDictionary));
CHECK(pDictionary->GetBuiltinDefs()->cdSequence()->
CreateInstance ((ImplAAFObject**) &tmp));
pDictionary->ReleaseReference();
pDictionary = NULL;
CHECK(tmp->AppendComponent(this));
*seq = tmp;
} /* XPROTECT */
XEXCEPT
{
if (tmp)
tmp->ReleaseReference();
tmp = 0;
if(pDictionary != NULL)
pDictionary->ReleaseReference();
pDictionary = 0;
}
XEND;
return(AAFRESULT_SUCCESS);
}
//****************
// AddPulldownRef()
//
AAFRESULT STDMETHODCALLTYPE
ImplAAFSourceMob::AddPulldownRef (aafAppendOption_t /* addType !!!*/,
const aafRational_t & editrate,
aafSlotID_t aMobSlot,
ImplAAFDataDef * pEssenceKind,
aafSourceRef_t ref,
aafLength_t srcRefLength,
aafPulldownKind_t pulldownKind,
aafPhaseFrame_t phaseFrame,
aafPulldownDir_t direction)
{
ImplAAFSourceClip *sclp = NULL;
ImplAAFTimelineMobSlot *trkd = NULL;
aafPosition_t zeroPos;
aafSlotID_t tmpSlotID;
ImplAAFMobSlot * slot = NULL;
aafBool isOneToOne;
ImplAAFPulldown *pdwn = NULL;
ImplAAFSequence * sequence = NULL;
ImplAAFDictionary* dict = NULL;
aafLength_t outLength, zero;
aafInt32 patternLen;
AAFRESULT status = AAFRESULT_SUCCESS;
aafUInt32 mask;
if (! pEssenceKind)
return AAFRESULT_NULL_PARAM;
XPROTECT()
{
GetDictionary(&dict);
zero = 0;
XASSERT(direction == kAAFFilmToTapeSpeed || direction == kAAFTapeToFilmSpeed,
AAFRESULT_PULLDOWN_DIRECTION);
zeroPos = 0;
{
CHECK(dict->GetBuiltinDefs()->cdPulldown()->
CreateInstance((ImplAAFObject **)&pdwn));
CHECK(pdwn->SetDataDef(pEssenceKind));
CHECK(pdwn->SetPulldownKind(pulldownKind));
CHECK(pdwn->SetPhaseFrame(phaseFrame));
CHECK(pdwn->SetPulldownDirection(direction));
CHECK(pdwn->aafPvtGetPulldownMask(pulldownKind,
&mask, &patternLen, &isOneToOne));
if(isOneToOne)
{
CHECK(pdwn->SetLength(srcRefLength));
}
else
{
/* Remember, this routine is given the OUTPUT length, and must determine
* the input length (so the ratios look backwards)
*/
CHECK(pdwn->MapOffset(srcRefLength, kAAFTrue, &outLength, NULL));
CHECK(pdwn->SetLength(outLength));
}
}
/* If the slot exists, and there is a SCLP, extract it so that it can be appended
* to the mask or pullown object later
*/
status = FindSlotBySlotID(aMobSlot, &slot);
if (status == AAFRESULT_SUCCESS)
{
ImplAAFSegment *seg;
CHECK(slot->GetSlotID(&tmpSlotID));
CHECK(slot->GetSegment(&seg));
sequence = dynamic_cast<ImplAAFSequence*>(seg);
if(sequence != NULL)
{
aafLength_t foundLen;
aafUInt32 numSegments;
aafUInt32 n;
ImplAAFComponent *subSeg;
CHECK(sequence->CountComponents(&numSegments));
if(numSegments == 0)
{
CHECK(sequence->AppendComponent(pdwn));
CHECK(dict->GetBuiltinDefs()->cdSourceClip()->
CreateInstance((ImplAAFObject **)&sclp));
CHECK(sclp->Initialize(pEssenceKind, srcRefLength, ref));
}
for(n = 0; n < numSegments; n++)
{
CHECK(sequence->GetNthComponent (0, &subSeg));
CHECK(subSeg->GetLength(&foundLen));
if(foundLen != zero)
{
CHECK(sequence->SetNthComponent(n, pdwn));
sclp = dynamic_cast<ImplAAFSourceClip*>(subSeg);
break;
}
subSeg->ReleaseReference();
subSeg = NULL;
}
}
else
{
CHECK(slot->SetSegment(pdwn));
sclp = dynamic_cast<ImplAAFSourceClip*>(seg);
}
XASSERT(sclp != NULL, AAFRESULT_NOT_SOURCE_CLIP);
CHECK(sclp->Initialize(pEssenceKind, srcRefLength, ref));
}
else
{
CHECK(dict->GetBuiltinDefs()->cdSourceClip()->
CreateInstance((ImplAAFObject **)&sclp));
CHECK(sclp->Initialize(pEssenceKind, srcRefLength, ref));
CHECK(AppendNewTimelineSlot(editrate, pdwn,
aMobSlot, NULL, zeroPos, &trkd) );
}
/* Patch the MASK into the file mob if this is a Film Editrate */
/* NOTE: This is assuming that there is a source clip on
* the file mob - if it is a nested structure (i.e., SEQU),
* this code is not patching the nested elements with the new
* editrate and length.
*/
{
if(pdwn != NULL)
{
CHECK(pdwn->SetInputSegment(sclp));
}
}
dict->ReleaseReference();
dict = NULL;
} /* XPROTECT */
XEXCEPT
{
if(dict)
dict->ReleaseReference();
dict = 0;
}
XEND;
return (AAFRESULT_SUCCESS);
}
//****************
// ValidateTimecodeRange()
//
AAFRESULT STDMETHODCALLTYPE
ImplAAFSourceMob::SpecifyValidCodeRange (ImplAAFDataDef * /* pEssenceKind !!!*/,
aafSlotID_t slotID,
aafRational_t editrate,
aafFrameOffset_t startOffset,
aafFrameLength_t length64)
{
ImplAAFSourceClip *sclp = NULL;
ImplAAFTimecode *timecodeClip = NULL;
ImplAAFSequence * aSequ = NULL, *segSequ = NULL;
ImplAAFFiller * filler1 = NULL, *filler2 = NULL;
ImplAAFSegment * seg = NULL;
ImplAAFComponent * subSegment = NULL;
ImplAAFDictionary * pDict = NULL;
aafPosition_t pos, zeroPos, sequPos, begPos, endPos;
aafLength_t length, zeroLen, tcLen, endFillLen, firstFillLen, oldFillLen, segLen;
aafLength_t tcSlotLen, sequLen;
aafSourceRef_t sourceRef;
ImplAAFTimelineMobSlot *newSlot, *slot;
aafFrameOffset_t tcStartPos;
aafTimecode_t timecode;
aafUInt32 sequLoop;
aafUInt32 numSegs;
ImplEnumAAFComponents *sequIter = NULL;
XPROTECT()
{
CHECK(FindTimecodeClip(startOffset, &timecodeClip, &tcStartPos,
&tcSlotLen));
CHECK(timecodeClip->GetLength(&tcLen));
CHECK(timecodeClip->GetTimecode(&timecode));
if(length64 == FULL_LENGTH)
{
CHECK(PvtTimecodeToOffset(timecode.fps, 24, 0, 0, 0,
timecode.drop, &length64));
}
length = length64;
zeroLen = 0;
pos = startOffset;
zeroPos = 0;
endFillLen = tcSlotLen;
endFillLen -= pos;
endFillLen -= length;
memset(&sourceRef, 0, sizeof(sourceRef));
CHECK(GetDictionary(&pDict));
CHECK(pDict->GetBuiltinDefs()->cdSourceClip()->
CreateInstance((ImplAAFObject **)&sclp));
if(FindSlotBySlotID(slotID, (ImplAAFMobSlot **)&slot) != AAFRESULT_SUCCESS)
{
CHECK(pDict->GetBuiltinDefs()->cdSequence()->
CreateInstance((ImplAAFObject **)&aSequ));
CHECK(pDict->GetBuiltinDefs()->cdFiller()->
CreateInstance((ImplAAFObject **)&filler1));
if(aSequ == NULL || filler1 == NULL)
RAISE(E_FAIL);
CHECK(aSequ->AppendComponent(filler1));
CHECK(aSequ->AppendComponent(sclp));
CHECK(pDict->GetBuiltinDefs()->cdFiller()->
CreateInstance((ImplAAFObject **)&filler2));
CHECK(aSequ->AppendComponent(filler2));
/* (SPR#343) Change to validate multiple ranges */
CHECK(AppendNewTimelineSlot(editrate, aSequ, slotID,
NULL, zeroPos, &newSlot));
}
else
{
CHECK(slot->GetSegment(&seg));
CHECK(seg->GenerateSequence(&segSequ));
CHECK(segSequ->GetComponents(&sequIter));
CHECK(segSequ->CountComponents(&numSegs));
for (sequLoop=0, sequPos = 0; sequLoop < numSegs; sequLoop++, sequPos += segLen)
{
CHECK(sequIter->NextOne(&subSegment));
CHECK(subSegment->GetLength(&segLen));
/* Skip zero-length clips, sometimes found in MC files */
if (segLen == zeroLen)
continue;
begPos = sequPos;
endPos = sequPos + segLen;
if (pos < endPos &&
begPos <= pos)
{
ImplAAFFiller *test; // Used only in test of type
test = dynamic_cast<ImplAAFFiller*>(subSegment);
if(test != NULL && (sequLoop == (numSegs-1)))
{
firstFillLen = pos;
firstFillLen -= sequPos;
CHECK(subSegment->GetLength(&oldFillLen));
endFillLen = oldFillLen;
endFillLen -= length;
endFillLen -= firstFillLen;
/****/
CHECK(subSegment->SetLength(firstFillLen));
/* 1.x does not have a Sequence Length property */
CHECK(segSequ->GetLength(&sequLen));
sequLen -= oldFillLen;
sequLen += firstFillLen;
CHECK(segSequ->SetLength(sequLen));
CHECK(pDict->GetBuiltinDefs()->cdFiller()->
CreateInstance((ImplAAFObject **)&filler2));
//!!! filler2 = CreateImpl(CLSID_AAFFiller(_file, mediaKind, endFillLen);
CHECK(segSequ->AppendComponent(sclp));
CHECK(segSequ->AppendComponent(filler2));
break;
}
else
RAISE(AAFRESULT_NOT_IN_CURRENT_VERSION);
}
} /* for */
sequIter->ReleaseReference();
sequIter = NULL;
//!!! /* Release reference, so the useCount is decremented */
// if (subSegment)
// {
// subSegment->ReleaseObject();
// subSegment = NULL;
// }
}
if(aSequ!= NULL)
{
aSequ->ReleaseReference();
aSequ = NULL;
}
if(segSequ!= NULL)
{
segSequ->ReleaseReference();
segSequ = NULL;
}
if(filler1!= NULL)
{
filler1->ReleaseReference();
filler1 = NULL;
}
if(filler2!= NULL)
{
filler2->ReleaseReference();
filler2 = NULL;
}
if(seg!= NULL)
{
seg->ReleaseReference();
seg = NULL;
}
if(subSegment!= NULL)
{
subSegment->ReleaseReference();
subSegment = NULL;
}
if(pDict!= NULL)
{
pDict->ReleaseReference();
pDict = NULL;
}
if(sclp!= NULL)
{
sclp->ReleaseReference();
sclp = NULL;
}
if(timecodeClip!= NULL)
{
timecodeClip->ReleaseReference();
timecodeClip = NULL;
}
}
XEXCEPT
{
if(aSequ!= NULL)
aSequ->ReleaseReference();
aSequ = 0;
if(segSequ!= NULL)
segSequ->ReleaseReference();
segSequ = 0;
if(filler1!= NULL)
filler1->ReleaseReference();
filler1 = 0;
if(filler2!= NULL)
filler2->ReleaseReference();
filler2 = 0;
if(seg!= NULL)
seg->ReleaseReference();
seg = 0;
if(subSegment!= NULL)
subSegment->ReleaseReference();
subSegment = 0;
if(pDict!= NULL)
pDict->ReleaseReference();
pDict = 0;
if(sclp!= NULL)
sclp->ReleaseReference();
sclp = 0;
if(timecodeClip!= NULL)
timecodeClip->ReleaseReference();
timecodeClip = 0;
}
XEND;
return (AAFRESULT_SUCCESS);
}
// Override from AAFMobSlot
AAFRESULT STDMETHODCALLTYPE
ImplAAFEventMobSlot::SetSegment (/*[in]*/ ImplAAFSegment * pSegment)
{
ImplAAFSequence *pSequence = NULL;
ImplAAFEvent *pEvent = NULL;
ImplAAFComponent *pComponent = NULL;
ImplAAFDictionary *pDict = NULL;
ImplAAFDataDefSP pComponentDataDef;
aafBool willConvert;
if (NULL == pSegment)
return AAFRESULT_NULL_PARAM;
// Do even attempt to set the given segment if has already been
// attached to another persistent object.
if (pSegment->attached())
return AAFRESULT_OBJECT_ALREADY_ATTACHED;
XPROTECT()
{
// Validate the following constraints if the segment is a sequence:
// A) all events must have the same Event subclass and
// B) all events must have the same data kind.
// C) datakind of the each event must be the same as the sequence.
// D) the positions must be increasing.
//
// Otherwise the segment must be an event.
//
pSequence = dynamic_cast<ImplAAFSequence *>(pSegment);
if (NULL != pSequence)
{
aafUInt32 i;
aafUInt32 numberOfComponents = 0;
aafPosition_t previousPosition;
// Save the sequences data definition guid.
ImplAAFDataDefSP pSequDataDef;
CHECK(pSequence->GetDataDef(&pSequDataDef));
// There must be at least one component in the sequence.
CHECK(pSequence->CountComponents(&numberOfComponents));
if (0 >= numberOfComponents)
RAISE(AAFRESULT_OBJECT_SEMANTIC);
// Get the first component so that we can extract information
// to compare to any remaining elements.
CHECK(pSequence->GetNthComponent(0, &pComponent));
// The component must have the same data definition [id] as the sequence.
CHECK(pComponent->GetDataDef(&pComponentDataDef));
CHECK(pComponentDataDef->DoesDataDefConvertTo(pSequDataDef,
&willConvert));
if (willConvert == kAAFFalse)
RAISE(AAFRESULT_OBJECT_SEMANTIC);
// Get the runtime type info for validation.
aafUID_t firstComponentType;
CHECK(pComponent->GetObjectClass(&firstComponentType));
// The component MUST be an event.
pEvent = dynamic_cast<ImplAAFEvent *>(pComponent);
if (NULL == pEvent)
RAISE(AAFRESULT_OBJECT_SEMANTIC);
// Save the position of the first event so that we can use this
// as our starting value...
CHECK(pEvent->GetPosition(&previousPosition));
// Release reference before reusing variable.
pComponent->ReleaseReference();
pComponent = NULL;
// Make sure that all components in the sequence have the same
// data definition and represent the same event class.
for (i = 1; i < numberOfComponents; ++i)
{
CHECK(pSequence->GetNthComponent(i, &pComponent));
// The component must have the same data definition [id] as the
// sequence.
CHECK(pComponentDataDef->DoesDataDefConvertTo(pSequDataDef,
&willConvert));
if (willConvert == kAAFFalse)
RAISE(AAFRESULT_INVALID_DATADEF);
// Validate that this event is the "same" type of event as the
// first component of the sequence.
aafUID_t componentType;
CHECK(pComponent->GetObjectClass(&componentType));
if (0 != memcmp(&firstComponentType, &componentType, sizeof(firstComponentType)))
RAISE(AAFRESULT_OBJECT_SEMANTIC);
// The component MUST be an event.
pEvent = dynamic_cast<ImplAAFEvent *>(pComponent);
if (NULL == pEvent)
RAISE(AAFRESULT_OBJECT_SEMANTIC);
// Make sure the position of this event is no earlier then the
// previous event.
aafPosition_t currentPosition;
CHECK(pEvent->GetPosition(¤tPosition));
if (currentPosition < previousPosition)
RAISE(AAFRESULT_OBJECT_SEMANTIC);
// Save the current position to compare to the next event.
previousPosition = currentPosition;
pComponent->ReleaseReference();
pComponent = NULL;
}
}
else
{
// The segment must be an event.
pEvent = dynamic_cast<ImplAAFEvent *>(pSegment);
if (NULL == pEvent)
RAISE(AAFRESULT_OBJECT_SEMANTIC);
}
// Call the parent class to set the segment...
CHECK(ImplAAFMobSlot::SetSegment(pSegment));
}
XEXCEPT
{
if (NULL != pComponent)
pComponent->ReleaseReference();
pComponent = 0;
if (NULL != pDict)
pDict->ReleaseReference();
pDict = 0;
}
XEND;
return(AAFRESULT_SUCCESS);
}
