void OP1AFile::UpdateTrackMetadata(GenericPackage *package, int64_t origin, int64_t duration)
{
vector<GenericTrack*> tracks = package->getTracks();
size_t i;
for (i = 0; i < tracks.size(); i++) {
Track *track = dynamic_cast<Track*>(tracks[i]);
if (!track)
continue;
track->setOrigin(origin);
Sequence *sequence = dynamic_cast<Sequence*>(track->getSequence());
BMX_ASSERT(sequence);
vector<StructuralComponent*> components = sequence->getStructuralComponents();
if (sequence->getDuration() < 0) {
sequence->setDuration(duration);
BMX_ASSERT(components.size() == 1);
components[0]->setDuration(duration);
}
if (components.size() == 1) {
TimecodeComponent *timecode_component = dynamic_cast<TimecodeComponent*>(components[0]);
if (timecode_component) {
Timecode start_timecode = mStartTimecode;
start_timecode.AddOffset(- origin, mFrameRate);
timecode_component->setRoundedTimecodeBase(start_timecode.GetRoundedTCBase());
timecode_component->setDropFrame(start_timecode.IsDropFrame());
timecode_component->setStartTimecode(start_timecode.GetOffset());
}
}
}
}
void AS02Track::UpdatePackageMetadata(GenericPackage *package)
{
SourcePackage *source_package = dynamic_cast<SourcePackage*>(package);
FileDescriptor *file_descriptor = 0;
if (source_package && source_package->haveDescriptor())
file_descriptor = dynamic_cast<FileDescriptor*>(source_package->getDescriptor());
vector<GenericTrack*> tracks = package->getTracks();
// update track origin in file source package tracks and
// duration in sequences, timecode components and source clips
size_t i;
for (i = 0; i < tracks.size(); i++) {
Track *track = dynamic_cast<Track*>(tracks[i]);
BMX_ASSERT(track);
if (source_package)
track->setOrigin(mOutputStartOffset);
Sequence *sequence = dynamic_cast<Sequence*>(track->getSequence());
BMX_ASSERT(sequence);
vector<StructuralComponent*> components = sequence->getStructuralComponents();
if (sequence->getDuration() < 0) {
if (source_package)
sequence->setDuration(GetDuration());
else
sequence->setDuration(GetOutputDuration(false));
BMX_ASSERT(components.size() == 1);
if (source_package)
components[0]->setDuration(GetDuration());
else
components[0]->setDuration(GetOutputDuration(false));
}
if (source_package && components.size() == 1) {
TimecodeComponent *timecode_component = dynamic_cast<TimecodeComponent*>(components[0]);
if (timecode_component) {
Timecode sp_start_timecode = mClip->mStartTimecode;
sp_start_timecode.AddOffset(- mOutputStartOffset, GetSampleRate());
timecode_component->setRoundedTimecodeBase(sp_start_timecode.GetRoundedTCBase());
timecode_component->setDropFrame(sp_start_timecode.IsDropFrame());
timecode_component->setStartTimecode(sp_start_timecode.GetOffset());
}
}
}
// update the container duration in the file descriptor
if (file_descriptor)
file_descriptor->setContainerDuration(mContainerDuration);
}
void AvidClip::UpdateTrackDurations(AvidTrack *avid_track, Track *track, mxfRational edit_rate, int64_t duration)
{
int64_t track_duration = convert_duration(edit_rate, duration, track->getEditRate(), ROUND_AUTO);
Sequence *sequence = dynamic_cast<Sequence*>(track->getSequence());
BMX_ASSERT(sequence);
if (sequence->getDuration() >= 0) {
if (sequence->getDuration() < track_duration)
log_warn("Existing track duration is less than the essence duration\n");
return;
}
sequence->setDuration(track_duration);
Preface *preface = avid_track->GetHeaderMetadata()->getPreface();
vector<StructuralComponent*> components = sequence->getStructuralComponents();
BMX_CHECK(components.size() == 1);
components[0]->setDuration(track_duration);
// update duration further down the reference chain
SourceClip *source_clip = dynamic_cast<SourceClip*>(components[0]);
if (source_clip) {
mxfUMID source_package_id = source_clip->getSourcePackageID();
if (source_package_id != g_Null_UMID) {
GenericPackage *ref_package = preface->findPackage(source_package_id);
if (ref_package) {
GenericTrack *ref_gen_track = ref_package->findTrack(source_clip->getSourceTrackID());
if (ref_gen_track) {
Track *ref_track = dynamic_cast<Track*>(ref_gen_track);
BMX_CHECK(ref_track);
UpdateTrackDurations(avid_track, ref_track, track->getEditRate(),
source_clip->getStartPosition() + track_duration);
}
}
}
}
}
