/* this will be faster is we de-reference multiple sets in the same order as they were written */
int mxf_dereference_s(MXFHeaderMetadata* headerMetadata, MXFListIterator* setsIter, const mxfUUID* uuid, MXFMetadataSet** set)
{
MXFMetadataSet* setInList;
long startIndex = mxf_get_list_iter_index(setsIter);
/* try find it at the previous position in the list */
if (startIndex >= 0)
{
setInList = (MXFMetadataSet*)mxf_get_iter_element(setsIter);
if (mxf_equals_uuid(uuid, &setInList->instanceUID))
{
*set = setInList;
return 1;
}
}
/* try find it starting from the previous position in the list */
while (mxf_next_list_iter_element(setsIter))
{
setInList = (MXFMetadataSet*)mxf_get_iter_element(setsIter);
if (mxf_equals_uuid(uuid, &setInList->instanceUID))
{
*set = setInList;
return 1;
}
}
/* go back to beginning and try find it before the previous position in the list */
initialise_sets_iter(headerMetadata, setsIter);
while (mxf_next_list_iter_element(setsIter) && mxf_get_list_iter_index(setsIter) < startIndex)
{
setInList = (MXFMetadataSet*)mxf_get_iter_element(setsIter);
if (mxf_equals_uuid(uuid, &setInList->instanceUID))
{
*set = setInList;
return 1;
}
}
return 0;
}
static int archive_mxf_get_package_timecode_breaks(MXFHeaderMetadata* headerMetadata, MXFMetadataSet* packageSet,
TimecodeBreak** timecodeBreaks, long* numTimecodeBreaks)
{
MXFArrayItemIterator arrayIter;
MXFArrayItemIterator arrayIter2;
uint8_t* arrayElement;
uint32_t arrayElementLen;
mxfUL dataDef;
uint32_t count;
MXFMetadataSet* packageTrackSet;
MXFMetadataSet* sequenceSet;
MXFMetadataSet* dmSet;
MXFMetadataSet* dmFrameworkSet;
MXFListIterator setsIter;
TimecodeBreak* newTimecodeBreaks = NULL;
long totalBreaks = 0;
TimecodeBreak* tmp;
CHK_OFAIL(mxf_uu_get_package_tracks(packageSet, &arrayIter));
while (mxf_uu_next_track(headerMetadata, &arrayIter, &packageTrackSet))
{
CHK_OFAIL(mxf_uu_get_track_datadef(packageTrackSet, &dataDef));
if (mxf_is_descriptive_metadata(&dataDef))
{
/* get to the sequence */
CHK_OFAIL(mxf_get_strongref_item(packageTrackSet, &MXF_ITEM_K(GenericTrack, Sequence), &sequenceSet));
if (mxf_is_subclass_of(headerMetadata->dataModel, &sequenceSet->key, &MXF_SET_K(Sequence)))
{
CHK_OFAIL(mxf_get_array_item_count(sequenceSet, &MXF_ITEM_K(Sequence, StructuralComponents), &count));
if (count == 0)
{
continue;
}
CHK_OFAIL(mxf_get_array_item_element(sequenceSet, &MXF_ITEM_K(Sequence, StructuralComponents), 0, &arrayElement));
CHK_OFAIL(mxf_get_strongref(headerMetadata, arrayElement, &dmSet));
}
else
{
dmSet = sequenceSet;
}
/* if it is a DMSegment with a DMFramework reference then we have the DMS track */
if (mxf_is_subclass_of(headerMetadata->dataModel, &dmSet->key, &MXF_SET_K(DMSegment)))
{
if (mxf_have_item(dmSet, &MXF_ITEM_K(DMSegment, DMFramework)))
{
CHK_OFAIL(mxf_get_strongref_item(dmSet, &MXF_ITEM_K(DMSegment, DMFramework), &dmFrameworkSet));
/* check whether the DMFrameworkSet is a APP_TimecodeBreakFramework */
if (mxf_is_subclass_of(headerMetadata->dataModel, &dmFrameworkSet->key, &MXF_SET_K(APP_TimecodeBreakFramework)))
{
/* go back to the sequence and extract the timecode breaks */
CHK_OFAIL(mxf_get_array_item_count(sequenceSet, &MXF_ITEM_K(Sequence, StructuralComponents), &count));
if (newTimecodeBreaks == NULL)
{
CHK_OFAIL((tmp = malloc(sizeof(TimecodeBreak) * (totalBreaks + count))) != NULL);
}
else
{
/* multiple tracks with timecode breaks - reallocate the array */
CHK_OFAIL((tmp = realloc(newTimecodeBreaks, sizeof(TimecodeBreak) * (totalBreaks + count))) != NULL);
}
newTimecodeBreaks = tmp;
/* extract the digibeta dropouts */
initialise_sets_iter(headerMetadata, &setsIter);
mxf_initialise_array_item_iterator(sequenceSet, &MXF_ITEM_K(Sequence, StructuralComponents), &arrayIter2);
while (mxf_next_array_item_element(&arrayIter2, &arrayElement, &arrayElementLen))
{
TimecodeBreak* timecodeBreak = &newTimecodeBreaks[totalBreaks];
CHK_OFAIL(mxf_get_strongref_s(headerMetadata, &setsIter, arrayElement, &dmSet));
CHK_OFAIL(mxf_get_position_item(dmSet, &MXF_ITEM_K(DMSegment, EventStartPosition), &timecodeBreak->position));
CHK_OFAIL(mxf_get_strongref_item_s(&setsIter, dmSet, &MXF_ITEM_K(DMSegment, DMFramework), &dmFrameworkSet));
CHK_OFAIL(mxf_get_uint16_item(dmFrameworkSet, &MXF_ITEM_K(APP_TimecodeBreakFramework, APP_TimecodeType), &timecodeBreak->timecodeType));
totalBreaks++;
}
}
}
}
}
}
*timecodeBreaks = newTimecodeBreaks;
*numTimecodeBreaks = totalBreaks;
return 1;
fail:
SAFE_FREE(&newTimecodeBreaks);
return 0;
}
static int archive_mxf_get_package_pse_failures(MXFHeaderMetadata* headerMetadata, MXFMetadataSet* packageSet,
PSEFailure** failures, long* numFailures)
{
MXFArrayItemIterator arrayIter;
MXFArrayItemIterator arrayIter2;
uint8_t* arrayElement;
uint32_t arrayElementLen;
mxfUL dataDef;
uint32_t count;
MXFMetadataSet* packageTrackSet;
MXFMetadataSet* sequenceSet;
MXFMetadataSet* dmSet;
MXFMetadataSet* dmFrameworkSet;
MXFListIterator setsIter;
PSEFailure* newFailures = NULL;
long countedPSEFailures = 0;
PSEFailure* tmp;
int32_t i;
CHK_OFAIL(mxf_uu_get_package_tracks(packageSet, &arrayIter));
while (mxf_uu_next_track(headerMetadata, &arrayIter, &packageTrackSet))
{
CHK_OFAIL(mxf_uu_get_track_datadef(packageTrackSet, &dataDef));
if (mxf_is_descriptive_metadata(&dataDef))
{
/* get to the sequence */
CHK_OFAIL(mxf_get_strongref_item(packageTrackSet, &MXF_ITEM_K(GenericTrack, Sequence), &sequenceSet));
if (mxf_is_subclass_of(headerMetadata->dataModel, &sequenceSet->key, &MXF_SET_K(Sequence)))
{
CHK_OFAIL(mxf_get_array_item_count(sequenceSet, &MXF_ITEM_K(Sequence, StructuralComponents), &count));
if (count == 0)
{
continue;
}
CHK_OFAIL(mxf_get_array_item_element(sequenceSet, &MXF_ITEM_K(Sequence, StructuralComponents), 0, &arrayElement));
CHK_OFAIL(mxf_get_strongref(headerMetadata, arrayElement, &dmSet));
}
else
{
dmSet = sequenceSet;
}
/* if it is a DMSegment with a DMFramework reference then we have the DMS track */
if (mxf_is_subclass_of(headerMetadata->dataModel, &dmSet->key, &MXF_SET_K(DMSegment)))
{
if (mxf_have_item(dmSet, &MXF_ITEM_K(DMSegment, DMFramework)))
{
CHK_OFAIL(mxf_get_strongref_item(dmSet, &MXF_ITEM_K(DMSegment, DMFramework), &dmFrameworkSet));
/* check whether the DMFrameworkSet is a APP_PSEAnalysisFramework */
if (mxf_is_subclass_of(headerMetadata->dataModel, &dmFrameworkSet->key, &MXF_SET_K(APP_PSEAnalysisFramework)))
{
/* go back to the sequence and extract the PSE failures */
CHK_OFAIL(mxf_get_array_item_count(sequenceSet, &MXF_ITEM_K(Sequence, StructuralComponents), &count));
countedPSEFailures += count;
if (newFailures == NULL)
{
CHK_OFAIL((tmp = malloc(sizeof(PSEFailure) * countedPSEFailures)) != NULL);
}
else
{
/* multiple tracks with PSE failures - reallocate the array */
CHK_OFAIL((tmp = realloc(newFailures, sizeof(PSEFailure) * countedPSEFailures)) != NULL);
}
newFailures = tmp;
/* extract the PSE failures */
initialise_sets_iter(headerMetadata, &setsIter);
i = 0;
mxf_initialise_array_item_iterator(sequenceSet, &MXF_ITEM_K(Sequence, StructuralComponents), &arrayIter2);
while (mxf_next_array_item_element(&arrayIter2, &arrayElement, &arrayElementLen))
{
PSEFailure* pseFailure = &newFailures[i];
CHK_OFAIL(mxf_get_strongref_s(headerMetadata, &setsIter, arrayElement, &dmSet));
CHK_OFAIL(mxf_get_position_item(dmSet, &MXF_ITEM_K(DMSegment, EventStartPosition), &pseFailure->position));
CHK_OFAIL(mxf_get_strongref_item_s(&setsIter, dmSet, &MXF_ITEM_K(DMSegment, DMFramework), &dmFrameworkSet));
CHK_OFAIL(mxf_get_int16_item(dmFrameworkSet, &MXF_ITEM_K(APP_PSEAnalysisFramework, APP_RedFlash), &pseFailure->redFlash));
CHK_OFAIL(mxf_get_int16_item(dmFrameworkSet, &MXF_ITEM_K(APP_PSEAnalysisFramework, APP_SpatialPattern), &pseFailure->spatialPattern));
CHK_OFAIL(mxf_get_int16_item(dmFrameworkSet, &MXF_ITEM_K(APP_PSEAnalysisFramework, APP_LuminanceFlash), &pseFailure->luminanceFlash));
CHK_OFAIL(mxf_get_boolean_item(dmFrameworkSet, &MXF_ITEM_K(APP_PSEAnalysisFramework, APP_ExtendedFailure), &pseFailure->extendedFailure));
i++;
}
break;
}
}
}
}
}
*failures = newFailures;
*numFailures = countedPSEFailures;
return 1;
fail:
SAFE_FREE(&newFailures);
return 0;
}
