int mxf_find_singular_set_by_key(MXFHeaderMetadata* headerMetadata, const mxfKey* key, MXFMetadataSet** set)
{
MXFList* setList = NULL;
if (!mxf_find_set_by_key(headerMetadata, key, &setList))
{
return 0;
}
CHK_OFAIL(mxf_get_list_length(setList) == 1);
*set = (MXFMetadataSet*)mxf_get_first_list_element(setList);
mxf_free_list(&setList);
return 1;
fail:
mxf_free_list(&setList);
return 0;
}
int archive_mxf_get_info(MXFHeaderMetadata* headerMetadata, ArchiveMXFInfo* info)
{
MXFList* list = NULL;
MXFListIterator iter;
MXFArrayItemIterator arrayIter;
uint8_t* arrayElement;
uint32_t arrayElementLen;
mxfUL dataDef;
uint32_t count;
mxfUTF16Char* tempWString = NULL;
int haveSourceInfaxData = 0;
MXFList* nameList = NULL;
MXFList* valueList = NULL;
MXFMetadataSet* identSet;
MXFMetadataSet* fileSourcePackageSet;
MXFMetadataSet* sourcePackageSet;
MXFMetadataSet* sourcePackageTrackSet;
MXFMetadataSet* sequenceSet;
MXFMetadataSet* dmSet;
MXFMetadataSet* dmFrameworkSet;
MXFMetadataSet* descriptorSet;
MXFMetadataSet* locatorSet;
MXFMetadataSet* materialPackageSet;
/* if metadata only then only try reading infax user comments */
if (is_metadata_only_file(headerMetadata, &materialPackageSet))
{
if (mxf_avid_read_string_user_comments(materialPackageSet, &nameList, &valueList))
{
haveSourceInfaxData = parse_infax_user_comments(nameList, valueList, &info->sourceInfaxData);
mxf_free_list(&nameList);
mxf_free_list(&valueList);
}
return 1;
}
/* Creation timestamp identification info */
CHK_OFAIL(mxf_find_set_by_key(headerMetadata, &MXF_SET_K(Identification), &list));
mxf_initialise_list_iter(&iter, list);
if (mxf_next_list_iter_element(&iter))
{
identSet = (MXFMetadataSet*)mxf_get_iter_element(&iter);
CHK_OFAIL(mxf_get_timestamp_item(identSet, &MXF_ITEM_K(Identification, ModificationDate), &info->creationDate));
}
mxf_free_list(&list);
/* LTO Infax data */
CHK_OFAIL(mxf_uu_get_top_file_package(headerMetadata, &fileSourcePackageSet));
CHK_OFAIL(mxf_uu_get_package_tracks(fileSourcePackageSet, &arrayIter));
while (mxf_uu_next_track(headerMetadata, &arrayIter, &sourcePackageTrackSet))
{
CHK_OFAIL(mxf_uu_get_track_datadef(sourcePackageTrackSet, &dataDef));
if (mxf_is_descriptive_metadata(&dataDef))
{
/* get to the single DMSegment */
CHK_OFAIL(mxf_get_strongref_item(sourcePackageTrackSet, &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 != 1)
{
/* Sequence of length 1 is expected for the DMS track */
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));
/* if it is a APP_InfaxFramework then it is the Infax data */
if (mxf_is_subclass_of(headerMetadata->dataModel, &dmFrameworkSet->key, &MXF_SET_K(APP_InfaxFramework)))
{
CHK_OFAIL(get_infax_data(dmFrameworkSet, &info->ltoInfaxData));
break;
}
}
}
}
}
/* original filename */
CHK_OFAIL(mxf_get_strongref_item(fileSourcePackageSet, &MXF_ITEM_K(SourcePackage, Descriptor), &descriptorSet));
if (mxf_have_item(descriptorSet, &MXF_ITEM_K(GenericDescriptor, Locators)))
{
CHK_OFAIL(mxf_initialise_array_item_iterator(descriptorSet, &MXF_ITEM_K(GenericDescriptor, Locators), &arrayIter));
while (mxf_next_array_item_element(&arrayIter, &arrayElement, &arrayElementLen))
{
CHK_OFAIL(mxf_get_strongref(headerMetadata, arrayElement, &locatorSet));
if (mxf_is_subclass_of(headerMetadata->dataModel, &locatorSet->key, &MXF_SET_K(NetworkLocator)))
{
CHK_OFAIL(mxf_uu_get_utf16string_item(locatorSet, &MXF_ITEM_K(NetworkLocator, URLString), &tempWString));
CHK_OFAIL(wcstombs(info->filename, tempWString, sizeof(info->filename)) != (size_t)(-1));
info->filename[sizeof(info->filename) - 1] = '\0';
SAFE_FREE(&tempWString);
break;
}
}
}
/* source Infax data */
CHK_OFAIL(mxf_find_set_by_key(headerMetadata, &MXF_SET_K(SourcePackage), &list));
mxf_initialise_list_iter(&iter, list);
while (mxf_next_list_iter_element(&iter))
{
sourcePackageSet = (MXFMetadataSet*)(mxf_get_iter_element(&iter));
/* it is the tape SourcePackage if it has a TapeDescriptor */
CHK_OFAIL(mxf_get_strongref_item(sourcePackageSet, &MXF_ITEM_K(SourcePackage, Descriptor), &descriptorSet));
if (mxf_is_subclass_of(headerMetadata->dataModel, &descriptorSet->key, &MXF_SET_K(TapeDescriptor)))
{
/* go through the tracks and find the DMS track */
CHK_OFAIL(mxf_uu_get_package_tracks(sourcePackageSet, &arrayIter));
while (mxf_uu_next_track(headerMetadata, &arrayIter, &sourcePackageTrackSet))
{
CHK_OFAIL(mxf_uu_get_track_datadef(sourcePackageTrackSet, &dataDef));
if (mxf_is_descriptive_metadata(&dataDef))
{
/* get to the single DMSegment */
CHK_OFAIL(mxf_get_strongref_item(sourcePackageTrackSet, &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 != 1)
{
/* Sequence of length 1 is expected for the DMS track */
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));
/* if it is a APP_InfaxFramework then it is the Infax data */
if (mxf_is_subclass_of(headerMetadata->dataModel, &dmFrameworkSet->key, &MXF_SET_K(APP_InfaxFramework)))
{
CHK_OFAIL(get_infax_data(dmFrameworkSet, &info->sourceInfaxData));
haveSourceInfaxData = 1;
break;
}
}
}
}
}
break;
}
}
mxf_free_list(&list);
/* try reading Infax data from UserComments attached to the MaterialPackage if no data was found elsewhere */
if (!haveSourceInfaxData)
{
CHK_OFAIL(mxf_find_singular_set_by_key(headerMetadata, &MXF_SET_K(MaterialPackage), &materialPackageSet));
if (mxf_avid_read_string_user_comments(materialPackageSet, &nameList, &valueList))
{
haveSourceInfaxData = parse_infax_user_comments(nameList, valueList, &info->sourceInfaxData);
mxf_free_list(&nameList);
mxf_free_list(&valueList);
}
}
return haveSourceInfaxData;
fail:
SAFE_FREE(&tempWString);
mxf_free_list(&list);
mxf_free_list(&nameList);
mxf_free_list(&valueList);
return 0;
}
int mxf_app_get_info(MXFHeaderMetadata *headerMetadata, ArchiveMXFInfo *info)
{
MXFList *list = NULL;
MXFListIterator iter;
MXFArrayItemIterator arrayIter;
uint8_t *arrayElement;
uint32_t arrayElementLen;
mxfUTF16Char *tempWString = NULL;
MXFList *nameList = NULL;
MXFList *valueList = NULL;
MXFMetadataSet *identSet;
MXFMetadataSet *fileSourcePackageSet;
MXFMetadataSet *sourcePackageSet;
MXFMetadataSet *descriptorSet;
MXFMetadataSet *locatorSet;
MXFMetadataSet *materialPackageSet;
MXFMetadataSet *prefaceSet;
memset(info, 0, sizeof(*info));
/* read event counts in Preface */
CHK_ORET(mxf_find_singular_set_by_key(headerMetadata, &MXF_SET_K(Preface), &prefaceSet));
#define GET_EVENT_COUNT(name, var) \
if (mxf_have_item(prefaceSet, &MXF_ITEM_K(Preface, name))) \
CHK_ORET(mxf_get_uint32_item(prefaceSet, &MXF_ITEM_K(Preface, name), &var));
GET_EVENT_COUNT(APP_VTRErrorCount, info->vtrErrorCount)
GET_EVENT_COUNT(APP_PSEFailureCount, info->pseFailureCount)
GET_EVENT_COUNT(APP_DigiBetaDropoutCount, info->digibetaDropoutCount)
GET_EVENT_COUNT(APP_TimecodeBreakCount, info->timecodeBreakCount)
/* if metadata only then only try reading infax user comments */
if (is_metadata_only_file(headerMetadata, &materialPackageSet))
{
if (mxf_avid_read_string_user_comments(materialPackageSet, &nameList, &valueList))
{
info->haveSourceInfaxData = parse_infax_user_comments(nameList, valueList, &info->sourceInfaxData);
mxf_free_list(&nameList);
mxf_free_list(&valueList);
}
return 1;
}
/* Creation timestamp identification info */
CHK_OFAIL(mxf_find_set_by_key(headerMetadata, &MXF_SET_K(Identification), &list));
mxf_initialise_list_iter(&iter, list);
if (mxf_next_list_iter_element(&iter))
{
identSet = (MXFMetadataSet*)mxf_get_iter_element(&iter);
CHK_OFAIL(mxf_get_timestamp_item(identSet, &MXF_ITEM_K(Identification, ModificationDate), &info->creationDate));
}
mxf_free_list(&list);
/* LTO Infax data */
CHK_OFAIL(mxf_uu_get_top_file_package(headerMetadata, &fileSourcePackageSet));
info->haveLTOInfaxData = archive_mxf_get_package_infax_data(headerMetadata, fileSourcePackageSet,
&info->ltoInfaxData);
/* original filename */
CHK_OFAIL(mxf_get_strongref_item(fileSourcePackageSet, &MXF_ITEM_K(SourcePackage, Descriptor), &descriptorSet));
if (mxf_have_item(descriptorSet, &MXF_ITEM_K(GenericDescriptor, Locators)))
{
CHK_OFAIL(mxf_initialise_array_item_iterator(descriptorSet, &MXF_ITEM_K(GenericDescriptor, Locators), &arrayIter));
while (mxf_next_array_item_element(&arrayIter, &arrayElement, &arrayElementLen))
{
CHK_OFAIL(mxf_get_strongref(headerMetadata, arrayElement, &locatorSet));
if (mxf_is_subclass_of(headerMetadata->dataModel, &locatorSet->key, &MXF_SET_K(NetworkLocator)))
{
CHK_OFAIL(mxf_uu_get_utf16string_item(locatorSet, &MXF_ITEM_K(NetworkLocator, URLString), &tempWString));
CHK_OFAIL(mxf_utf16_to_utf8(info->filename, tempWString, sizeof(info->filename)) != (size_t)(-1));
info->filename[sizeof(info->filename) - 1] = '\0';
SAFE_FREE(tempWString);
break;
}
}
}
/* source Infax data */
CHK_OFAIL(mxf_find_set_by_key(headerMetadata, &MXF_SET_K(SourcePackage), &list));
mxf_initialise_list_iter(&iter, list);
while (mxf_next_list_iter_element(&iter))
{
sourcePackageSet = (MXFMetadataSet*)(mxf_get_iter_element(&iter));
/* it is the tape SourcePackage if it has a TapeDescriptor */
CHK_OFAIL(mxf_get_strongref_item(sourcePackageSet, &MXF_ITEM_K(SourcePackage, Descriptor), &descriptorSet));
if (mxf_is_subclass_of(headerMetadata->dataModel, &descriptorSet->key, &MXF_SET_K(TapeDescriptor)))
{
info->haveSourceInfaxData = archive_mxf_get_package_infax_data(headerMetadata, sourcePackageSet,
&info->sourceInfaxData);
break;
}
}
mxf_free_list(&list);
/* try alternative locations for source Infax data */
if (!info->haveSourceInfaxData)
{
/* framework in the material package */
CHK_OFAIL(mxf_find_singular_set_by_key(headerMetadata, &MXF_SET_K(MaterialPackage), &materialPackageSet));
info->haveSourceInfaxData = archive_mxf_get_package_infax_data(headerMetadata, materialPackageSet,
&info->sourceInfaxData);
/* UserComments in the MaterialPackage */
if (!info->haveSourceInfaxData)
{
if (mxf_avid_read_string_user_comments(materialPackageSet, &nameList, &valueList))
{
info->haveSourceInfaxData = parse_infax_user_comments(nameList, valueList, &info->sourceInfaxData);
mxf_free_list(&nameList);
mxf_free_list(&valueList);
}
}
}
return info->haveSourceInfaxData;
fail:
SAFE_FREE(tempWString);
mxf_free_list(&list);
mxf_free_list(&nameList);
mxf_free_list(&valueList);
return 0;
}