TextBasedDMFramework *FindTextBasedDMFramework(mxfpp::HeaderMetadata *header_metadata, mxfUL xml_metadata_scheme_id, mxfpp::StaticTrack **static_track) {
MaterialPackage *mp = header_metadata->getPreface()->findMaterialPackage();
if (!mp)
return NULL;
// expect to find Static DM Track -> Sequence -> DM Segment -> DM Framework (a TextBasedDMFramework)
std::vector<GenericTrack*> tracks = mp->getTracks();
size_t i;
for (i = 0; i < tracks.size(); i++) {
StaticTrack *st = dynamic_cast<StaticTrack*>(tracks[i]);
if (!st)
continue;
StructuralComponent *sc = st->getSequence();
if (!sc || sc->getDataDefinition() != MXF_DDEF_L(DescriptiveMetadata))
continue;
Sequence *seq = dynamic_cast<Sequence*>(sc);
DMSegment *seg = dynamic_cast<DMSegment*>(sc);
if (!seq && !seg)
continue;
if (seq) {
std::vector<StructuralComponent*> scs = seq->getStructuralComponents();
if (scs.size() != 1)
continue;
seg = dynamic_cast<DMSegment*>(scs[0]);
if (!seg)
continue;
}
if (!seg->haveDMFramework())
continue;
DMFramework *framework = seg->getDMFrameworkLight();
if (framework) {
TextBasedDMFramework *fw = dynamic_cast<TextBasedDMFramework*>(framework);
if (!fw)
continue;
TextBasedObject *t = dynamic_cast<TextBasedObject*>(fw->getTextBasedObject());
if (!t)
continue;
mxfUL ul = t->getTextBasedMetadataPayloadSchemaID();
if (mxf_equals_ul(&ul, &xml_metadata_scheme_id)) {
// this is a match!
if (static_track != NULL)
*static_track = st;
return fw;
}
}
}
return NULL;
}
void AvidInfo::GetLocators(MaterialPackage *mp)
{
// expect to find (DM) Event Track - (DM) Sequence - DMSegment
vector<GenericTrack*> tracks = mp->getTracks();
size_t i;
for (i = 0; i < tracks.size(); i++) {
EventTrack *et = dynamic_cast<EventTrack*>(tracks[i]);
if (!et)
continue;
StructuralComponent *sc = et->getSequence();
if (!sc || sc->getDataDefinition() != MXF_DDEF_L(DescriptiveMetadata))
continue;
Sequence *seq = dynamic_cast<Sequence*>(sc);
if (!seq)
continue;
vector<StructuralComponent*> dm_segs = seq->getStructuralComponents();
if (dm_segs.empty())
continue;
size_t j;
for (j = 0; j < dm_segs.size(); j++) {
DMSegment *seg = dynamic_cast<DMSegment*>(dm_segs[j]);
if (!seg)
break;
AvidLocator locator;
locator.position = seg->getEventStartPosition();
if (seg->haveEventComment())
locator.comment = seg->getEventComment();
if (seg->haveItem(&MXF_ITEM_K(DMSegment, CommentMarkerColor))) {
RGBColor rgb_color;
BMX_CHECK(mxf_avid_get_rgb_color_item(seg->getCMetadataSet(),
&MXF_ITEM_K(DMSegment, CommentMarkerColor),
&rgb_color));
locator.color = convert_rgb_color(&rgb_color);
} else {
locator.color = COLOR_BLACK;
}
locators.push_back(locator);
}
if (j < dm_segs.size())
locators.clear();
locators_edit_rate = et->getEventEditRate();
break;
}
}
mxfRational FindMaterialPackageEditRate(HeaderMetadata *header_metadata) {
Track *selectedTrack = NULL;
MaterialPackage *material_package = header_metadata->getPreface()->findMaterialPackage();
const std::vector<GenericTrack*>& tracks = material_package->getTracks();
for (std::vector<GenericTrack*>::const_iterator it = tracks.begin(); it!=tracks.end(); it++) {
// use only regular timeline tracks
Track *tlTrk = dynamic_cast<Track*>(*it);
if (tlTrk!=NULL) {
// find the timeline component of this track
StructuralComponent *comp = tlTrk->getSequence();
if (comp->getDataDefinition() == MXF_DDEF_L(Timecode)) {
// this is it, fetch editrate from the track
selectedTrack = tlTrk;
break;
}
}
}
if (selectedTrack == NULL) {
for (std::vector<GenericTrack*>::const_iterator it = tracks.begin(); it!=tracks.end(); it++) {
Track *tlTrk = dynamic_cast<Track*>(*it);
if (tlTrk!=NULL) {
if (tlTrk->getSequence()->getDataDefinition() == MXF_DDEF_L(Picture)) {
selectedTrack = tlTrk;
break;
}
}
}
}
if (selectedTrack == NULL) {
for (std::vector<GenericTrack*>::const_iterator it = tracks.begin(); it!=tracks.end(); it++) {
Track *tlTrk = dynamic_cast<Track*>(*it);
if (tlTrk!=NULL) {
if (tlTrk->getSequence()->getDataDefinition() == MXF_DDEF_L(Sound)) {
selectedTrack = tlTrk;
break;
}
}
}
}
mxfRational rate = {-1, 0};
if (selectedTrack != NULL) rate = selectedTrack->getEditRate();
return rate;
}
std::vector<DMFramework*> GetStaticFrameworks(MaterialPackage *mp)
{
std::vector<DMFramework*> frameworks;
// expect to find Static DM Track -> Sequence -> DM Segment -> DM Framework
std::vector<GenericTrack*> tracks = mp->getTracks();
size_t i;
for (i = 0; i < tracks.size(); i++) {
StaticTrack *st = dynamic_cast<StaticTrack*>(tracks[i]);
if (!st)
continue;
StructuralComponent *sc = st->getSequence();
if (!sc || sc->getDataDefinition() != MXF_DDEF_L(DescriptiveMetadata))
continue;
Sequence *seq = dynamic_cast<Sequence*>(sc);
DMSegment *seg = dynamic_cast<DMSegment*>(sc);
if (!seq && !seg)
continue;
if (seq) {
std::vector<StructuralComponent*> scs = seq->getStructuralComponents();
if (scs.size() != 1)
continue;
seg = dynamic_cast<DMSegment*>(scs[0]);
if (!seg)
continue;
}
if (!seg->haveDMFramework())
continue;
DMFramework *framework = seg->getDMFrameworkLight();
if (framework)
frameworks.push_back(framework);
}
return frameworks;
}
