AAFRESULT ImplAAFSelector::ChangeContainedReferences(aafMobID_constref from,
aafMobID_constref to)
{
aafInt32 n, count;
ImplAAFSegment *seg = NULL;
ImplAAFComponent *selected;
XPROTECT()
{
CHECK(GetNumAlternateSegments (&count));
for(n = 0; n < count; n++)
{
CHECK(GetNthSegment (n, &seg));
CHECK(seg->ChangeContainedReferences(from, to));
seg->ReleaseReference();
seg = NULL;
}
selected = _selected;
if(selected != NULL)
{
CHECK(selected->ChangeContainedReferences(from, to));
}
}
XEXCEPT
{
if(seg != NULL)
seg->ReleaseReference();
seg = 0;
}
XEND;
return AAFRESULT_SUCCESS;
}
AAFRESULT STDMETHODCALLTYPE
ImplAAFSelector::SetSelectedSegment (ImplAAFSegment* pSelSegment)
{
ImplAAFSegment* pPrevSelected = NULL;
if (pSelSegment == NULL)
return AAFRESULT_NULL_PARAM;
pPrevSelected = _selected;
if (pPrevSelected)
{
if( pPrevSelected == pSelSegment )
return AAFRESULT_SUCCESS;
pPrevSelected->ReleaseReference();
pPrevSelected = 0;
}
if (pSelSegment->attached())
return AAFRESULT_OBJECT_ALREADY_ATTACHED;
_selected = pSelSegment;
_selected->AcquireReference();
return AAFRESULT_SUCCESS;
}
//***********************************************************
//
// GetNthSegment()
//
// Get the component at the position specified by index from
// the components vector. This is used by the ImplEnumAAFSegments
// to retrieve the components from the sequence.
//
// NOTES:
//
// - The vector is 0-based.
// - AddRef the object being returned.
//
AAFRESULT
ImplAAFSelector::GetNthSegment (aafUInt32 index, ImplAAFSegment** ppSegment)
{
ImplAAFSegment* obj;
HRESULT hr;
size_t numSegments = _alternates.count();
if (index < numSegments)
{
_alternates.getValueAt(obj, index);
obj->AcquireReference();
*ppSegment = obj;
hr = AAFRESULT_SUCCESS;
}
else
hr = AAFRESULT_NO_MORE_OBJECTS;
return hr;
}
ImplAAFSelector::~ImplAAFSelector ()
{
ImplAAFSegment *selected = _selected.clearValue();
if (selected != NULL)
{
selected->ReleaseReference();
selected = 0;
}
aafUInt32 count = _alternates.count();
for (aafUInt32 i = 0; i < count; i++)
{
ImplAAFSegment* pSegment = _alternates.clearValueAt(i);
if (pSegment)
{
pSegment->ReleaseReference();
pSegment = 0;
}
}
}
void ImplAAFSelector::Accept(AAFComponentVisitor& visitor)
{
ASSERTU(_selected);
_selected->Accept(visitor);
aafInt32 count = 0;
GetNumAlternateSegments(&count);
for(aafInt32 i=0; i<count; i++)
{
ImplAAFSegment* pSegment = 0;
GetNthSegment(i, &pSegment);
pSegment->Accept(visitor);
pSegment->ReleaseReference();
pSegment = NULL;
}
// TODO
// visitor.VisitSelector(this);
}
HRESULT STDMETHODCALLTYPE
CAAFSelector::GetSelectedSegment (IAAFSegment ** ppSelSegment)
{
HRESULT hr;
ImplAAFSelector * ptr;
ImplAAFRoot * pO;
pO = GetRepObject ();
assert (pO);
ptr = static_cast<ImplAAFSelector*> (pO);
assert (ptr);
//
// set up for ppSelSegment
//
ImplAAFSegment * internalppSelSegment = NULL;
ImplAAFSegment ** pinternalppSelSegment = NULL;
if (ppSelSegment)
{
pinternalppSelSegment = &internalppSelSegment;
}
try
{
hr = ptr->GetSelectedSegment
(pinternalppSelSegment);
}
catch (OMException& e)
{
// OMExceptions should be handled by the impl code. However, if an
// unhandled OMException occurs, control reaches here. We must not
// allow the unhandled exception to reach the client code, so we
// turn it into a failure status code.
//
// If the OMException contains an HRESULT, it is returned to the
// client, if not, AAFRESULT_UHANDLED_EXCEPTION is returned.
//
hr = OMExceptionToResult(e, AAFRESULT_UNHANDLED_EXCEPTION);
}
catch (OMAssertionViolation &)
{
// Control reaches here if there is a programming error in the
// impl code that was detected by an assertion violation.
// We must not allow the assertion to reach the client code so
// here we turn it into a failure status code.
//
hr = AAFRESULT_ASSERTION_VIOLATION;
}
catch (...)
{
// We CANNOT throw an exception out of a COM interface method!
// Return a reasonable exception code.
//
hr = AAFRESULT_UNEXPECTED_EXCEPTION;
}
//
// cleanup for ppSelSegment
//
if (SUCCEEDED(hr))
{
IUnknown *pUnknown;
HRESULT hStat;
if (internalppSelSegment)
{
pUnknown = static_cast<IUnknown *> (internalppSelSegment->GetContainer());
hStat = pUnknown->QueryInterface(IID_IAAFSegment, (void **)ppSelSegment);
assert (SUCCEEDED (hStat));
//pUnknown->Release();
internalppSelSegment->ReleaseReference(); // We are through with this pointer.
}
}
return hr;
}
/************************
* Function: omfsReconcileMobLength (INTERNAL)
*
* Given a master mob or file mob, make sure that all fields
* which contain the length of the mob are in agreement. Currently
* only makes sure that mob length references are >= each of
* the track lengths.
*
* Argument Notes:
* <none>.
*
* ReturnValue:
* Error code (see below).
*
* Possible Errors:
* Standard errors (see top of file).
*/
AAFRESULT ImplAAFSourceMob::ReconcileMobLength(void)
{
aafNumSlots_t numSlots;
aafUInt32 loop;
aafLength_t len;
ImplAAFMobSlot *slot = NULL;
ImplAAFTimelineMobSlot *timelineSlot = NULL;
ImplAAFSegment *seg = NULL;
ImplEnumAAFMobSlots *slotIter = NULL;
aafRational_t srcRate, destRate;
ImplAAFEssenceDescriptor *edesc = NULL;
ImplAAFFileDescriptor *physMedia = NULL;
XPROTECT()
{
CHECK(GetEssenceDescriptor(&edesc));
physMedia = dynamic_cast<ImplAAFFileDescriptor*>(edesc);
if(physMedia != NULL)
{
CHECK(GetSlots (&slotIter));
CHECK(CountSlots(&numSlots));
for (loop = 1; loop <= numSlots; loop++)
{
CHECK(slotIter->NextOne((ImplAAFMobSlot **)&slot));
timelineSlot = dynamic_cast<ImplAAFTimelineMobSlot*>(slot);
if(timelineSlot != NULL)
{
CHECK(timelineSlot->GetSegment(&seg));
CHECK(timelineSlot->GetEditRate(&destRate));
timelineSlot->ReleaseReference();
timelineSlot = NULL;
CHECK(physMedia->GetLength(&len));
CHECK(physMedia->GetSampleRate(&srcRate));
if((srcRate.numerator != destRate.numerator) ||
(srcRate.denominator != destRate.denominator))
{
CHECK(AAFConvertEditRate( srcRate, len, destRate, kRoundFloor, &len));
}
CHECK(seg->SetLength(len));
seg->ReleaseReference();
seg = NULL;
}
else
{
slot->ReleaseReference();
slot = NULL;
}
}
physMedia->ReleaseReference();
physMedia = NULL;
slotIter->ReleaseReference();
slotIter = NULL;
}
}
XEXCEPT
{
if (slot)
slot->ReleaseReference();
slot = 0;
if (timelineSlot)
timelineSlot->ReleaseReference();
timelineSlot = 0;
if (physMedia)
physMedia->ReleaseReference();
physMedia = 0;
if (seg)
seg->ReleaseReference();
seg = 0;
if (slotIter)
slotIter->ReleaseReference();
slotIter = 0;
}
XEND
return (AAFRESULT_SUCCESS);
}
//************************
// Function: FindTimecodeClip (INTERNAL)
// Finds the primary timecode track. This will have a physical slot # of 0 (missing) or 1.
//
AAFRESULT ImplAAFSourceMob::FindTimecodeClip(
aafFrameOffset_t position,
ImplAAFTimecode **result,
aafFrameOffset_t *tcStartPos,
aafLength_t *tcSlotLen)
{
ImplAAFSegment * seg = NULL;
aafPosition_t offset;
aafPosition_t sequPos;
ImplAAFMobSlot *slot = NULL;
ImplEnumAAFMobSlots *slotIter = NULL;
aafBool found = kAAFFalse;
aafUInt32 phys;
XPROTECT()
{
offset = position;
*tcStartPos = 0;
*result = NULL;
CHECK(GetSlots (&slotIter));
while((found != kAAFTrue) && slotIter->NextOne(&slot) == AAFRESULT_SUCCESS)
{
ImplAAFDataDefSP pDataDef;
CHECK(slot->GetDataDef (&pDataDef));
aafBool isTimecode = kAAFFalse;
CHECK(pDataDef->IsTimecodeKind(&isTimecode));
if(isTimecode)
{
CHECK(slot->GetPhysicalNum (&phys));
if((phys == 0) || (phys == 1))
found = kAAFTrue;
}
}
if(found != kAAFTrue)
RAISE(AAFRESULT_MISSING_TRACKID);
CHECK(slot->GetSegment(&seg));
CHECK(seg->GetLength(tcSlotLen));
CHECK(seg->OffsetToTimecodeClip(offset, result, &sequPos));
*tcStartPos = sequPos;
slot->ReleaseReference();
slot = NULL;
seg->ReleaseReference();
seg = NULL;
slotIter->ReleaseReference();
slotIter = NULL;
} /* XPROTECT */
XEXCEPT
{
if(XCODE() == AAFRESULT_NO_MORE_OBJECTS)
RERAISE(AAFRESULT_NO_TIMECODE);
if(slotIter!= NULL)
slotIter->ReleaseReference();
slotIter = 0;
if(slot != NULL)
slot->ReleaseReference();
slot = 0;
if(seg != NULL)
seg->ReleaseReference();
seg = 0;
*result = NULL;
}
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);
}