void AS02Track::CreateHeaderMetadata()
{
// Preface
Preface *preface = new Preface(mHeaderMetadata);
preface->setLastModifiedDate(mClip->mCreationDate);
preface->setVersion(MXF_PREFACE_VER(1, 3));
preface->setOperationalPattern(MXF_OP_L(1a, UniTrack_Stream_Internal));
preface->appendEssenceContainers(GetEssenceContainerUL());
preface->setDMSchemes(vector<mxfUL>());
// Preface - Identification
Identification *ident = new Identification(mHeaderMetadata);
preface->appendIdentifications(ident);
ident->initialise(mClip->mCompanyName, mClip->mProductName, mClip->mVersionString, mClip->mProductUID);
if (mClip->mProductVersion.major != 0 || mClip->mProductVersion.minor != 0 || mClip->mProductVersion.patch != 0 ||
mClip->mProductVersion.build != 0 || mClip->mProductVersion.release != 0)
{
ident->setProductVersion(mClip->mProductVersion);
}
ident->setModificationDate(mClip->mCreationDate);
ident->setThisGenerationUID(mClip->mGenerationUID);
// Preface - ContentStorage
ContentStorage* content_storage = new ContentStorage(mHeaderMetadata);
preface->setContentStorage(content_storage);
// Preface - ContentStorage - EssenceContainerData
EssenceContainerData *ess_container_data = new EssenceContainerData(mHeaderMetadata);
content_storage->appendEssenceContainerData(ess_container_data);
ess_container_data->setLinkedPackageUID(mFileSourcePackageUID);
ess_container_data->setIndexSID(mIndexSID);
ess_container_data->setBodySID(mBodySID);
// Preface - ContentStorage - MaterialPackage
mMaterialPackage = new MaterialPackage(mHeaderMetadata);
content_storage->appendPackages(mMaterialPackage);
mMaterialPackage->setPackageUID(mMaterialPackageUID);
mMaterialPackage->setPackageCreationDate(mClip->mCreationDate);
mMaterialPackage->setPackageModifiedDate(mClip->mCreationDate);
if (!mClip->mClipName.empty())
mMaterialPackage->setName(get_track_clip_name(mClip->mClipName, mIsPicture, mOutputTrackNumber));
// Preface - ContentStorage - MaterialPackage - Timecode Track
Track *timecode_track = new Track(mHeaderMetadata);
mMaterialPackage->appendTracks(timecode_track);
timecode_track->setTrackName(TIMECODE_TRACK_NAME);
timecode_track->setTrackID(TIMECODE_TRACK_ID);
timecode_track->setTrackNumber(0);
timecode_track->setEditRate(GetSampleRate());
timecode_track->setOrigin(0);
// Preface - ContentStorage - MaterialPackage - Timecode Track - Sequence
Sequence *sequence = new Sequence(mHeaderMetadata);
timecode_track->setSequence(sequence);
sequence->setDataDefinition(MXF_DDEF_L(Timecode));
sequence->setDuration(-1); // updated when writing completed
// Preface - ContentStorage - MaterialPackage - Timecode Track - TimecodeComponent
TimecodeComponent *timecode_component = new TimecodeComponent(mHeaderMetadata);
sequence->appendStructuralComponents(timecode_component);
timecode_component->setDataDefinition(MXF_DDEF_L(Timecode));
timecode_component->setDuration(-1); // updated when writing completed
timecode_component->setRoundedTimecodeBase(mClip->mStartTimecode.GetRoundedTCBase());
timecode_component->setDropFrame(mClip->mStartTimecode.IsDropFrame());
timecode_component->setStartTimecode(mClip->mStartTimecode.GetOffset());
// Preface - ContentStorage - MaterialPackage - Timeline Track
Track *track = new Track(mHeaderMetadata);
mMaterialPackage->appendTracks(track);
track->setTrackName(mIsPicture ? VIDEO_TRACK_NAME : AUDIO_TRACK_NAME);
track->setTrackID(mIsPicture ? VIDEO_TRACK_ID : AUDIO_TRACK_ID);
track->setTrackNumber(0);
track->setEditRate(GetSampleRate());
track->setOrigin(0);
// Preface - ContentStorage - MaterialPackage - Timeline Track - Sequence
sequence = new Sequence(mHeaderMetadata);
track->setSequence(sequence);
sequence->setDataDefinition(mIsPicture ? MXF_DDEF_L(Picture) : MXF_DDEF_L(Sound));
sequence->setDuration(-1); // updated when writing completed
// Preface - ContentStorage - MaterialPackage - Timeline Track - Sequence - SourceClip
SourceClip *source_clip = new SourceClip(mHeaderMetadata);
sequence->appendStructuralComponents(source_clip);
source_clip->setDataDefinition(mIsPicture ? MXF_DDEF_L(Picture) : MXF_DDEF_L(Sound));
source_clip->setDuration(-1); // updated when writing completed
source_clip->setStartPosition(0);
source_clip->setSourceTrackID(mIsPicture ? VIDEO_TRACK_ID : AUDIO_TRACK_ID);
source_clip->setSourcePackageID(mFileSourcePackageUID);
// Preface - ContentStorage - SourcePackage
mFileSourcePackage = new SourcePackage(mHeaderMetadata);
content_storage->appendPackages(mFileSourcePackage);
mFileSourcePackage->setPackageUID(mFileSourcePackageUID);
mFileSourcePackage->setPackageCreationDate(mClip->mCreationDate);
mFileSourcePackage->setPackageModifiedDate(mClip->mCreationDate);
preface->setPrimaryPackage(mFileSourcePackage);
// Preface - ContentStorage - SourcePackage - Timecode Track
timecode_track = new Track(mHeaderMetadata);
mFileSourcePackage->appendTracks(timecode_track);
timecode_track->setTrackName(TIMECODE_TRACK_NAME);
timecode_track->setTrackID(TIMECODE_TRACK_ID);
timecode_track->setTrackNumber(0);
timecode_track->setEditRate(GetSampleRate());
timecode_track->setOrigin(0); // could be updated when writing completed
// Preface - ContentStorage - SourcePackage - Timecode Track - Sequence
sequence = new Sequence(mHeaderMetadata);
timecode_track->setSequence(sequence);
sequence->setDataDefinition(MXF_DDEF_L(Timecode));
sequence->setDuration(-1); // updated when writing completed
// Preface - ContentStorage - SourcePackage - Timecode Track - TimecodeComponent
timecode_component = new TimecodeComponent(mHeaderMetadata);
sequence->appendStructuralComponents(timecode_component);
timecode_component->setDataDefinition(MXF_DDEF_L(Timecode));
timecode_component->setDuration(-1); // updated when writing completed
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());
// Preface - ContentStorage - SourcePackage - Timeline Track
track = new Track(mHeaderMetadata);
mFileSourcePackage->appendTracks(track);
track->setTrackName(mIsPicture ? VIDEO_TRACK_NAME : AUDIO_TRACK_NAME);
track->setTrackID(mIsPicture ? VIDEO_TRACK_ID : AUDIO_TRACK_ID);
track->setTrackNumber(mTrackNumber);
track->setEditRate(GetSampleRate());
track->setOrigin(0); // could be updated when writing completed
// Preface - ContentStorage - SourcePackage - Timeline Track - Sequence
sequence = new Sequence(mHeaderMetadata);
track->setSequence(sequence);
sequence->setDataDefinition(mIsPicture ? MXF_DDEF_L(Picture) : MXF_DDEF_L(Sound));
sequence->setDuration(-1); // updated when writing completed
// Preface - ContentStorage - SourcePackage - Timeline Track - Sequence - SourceClip
source_clip = new SourceClip(mHeaderMetadata);
sequence->appendStructuralComponents(source_clip);
source_clip->setDataDefinition(mIsPicture ? MXF_DDEF_L(Picture) : MXF_DDEF_L(Sound));
source_clip->setDuration(-1); // updated when writing completed
source_clip->setStartPosition(0);
if (mHaveLowerLevelSourcePackage) {
source_clip->setSourcePackageID(mLowerLevelSourcePackageUID);
source_clip->setSourceTrackID(mLowerLevelTrackId);
} else {
source_clip->setSourceTrackID(0);
source_clip->setSourcePackageID(g_Null_UMID);
}
// Preface - ContentStorage - SourcePackage - FileDescriptor
FileDescriptor *descriptor = mDescriptorHelper->CreateFileDescriptor(mHeaderMetadata);
mFileSourcePackage->setDescriptor(descriptor);
descriptor->setLinkedTrackID(mIsPicture ? VIDEO_TRACK_ID : AUDIO_TRACK_ID);
// Preface - ContentStorage - (lower-level) SourcePackage
if (mLowerLevelSourcePackage) {
content_storage->appendPackages(mLowerLevelSourcePackage);
if (!mLowerLevelURI.empty()) {
NetworkLocator *network_locator = new NetworkLocator(mHeaderMetadata);
mLowerLevelSourcePackage->getDescriptor()->appendLocators(network_locator);
network_locator->setURLString(mLowerLevelURI);
}
}
}
void OP1AFile::CreateHeaderMetadata()
{
BMX_ASSERT(!mHeaderMetadata);
int64_t material_track_duration = -1; // unknown - could be updated if not writing in a single pass
int64_t source_track_duration = -1; // unknown - could be updated if not writing in a single pass
int64_t source_track_origin = 0; // could be updated if not writing in a single pass
if (mSupportCompleteSinglePass) {
// values are known and will not be updated
material_track_duration = mInputDuration - mOutputStartOffset + mOutputEndOffset;
if (material_track_duration < 0)
material_track_duration = 0;
source_track_duration = mInputDuration + mOutputEndOffset;
source_track_origin = mOutputStartOffset;
}
// create the header metadata
mDataModel = new DataModel();
mHeaderMetadata = new HeaderMetadata(mDataModel);
// Preface
Preface *preface = new Preface(mHeaderMetadata);
preface->setLastModifiedDate(mCreationDate);
preface->setVersion((mFlavour & OP1A_377_2004_FLAVOUR) ? MXF_PREFACE_VER(1, 2) : MXF_PREFACE_VER(1, 3));
if (mTracks.size() <= 1)
preface->setOperationalPattern(MXF_OP_L(1a, UniTrack_Stream_Internal));
else
preface->setOperationalPattern(MXF_OP_L(1a, MultiTrack_Stream_Internal));
set<mxfUL>::const_iterator iter;
for (iter = mEssenceContainerULs.begin(); iter != mEssenceContainerULs.end(); iter++)
preface->appendEssenceContainers(*iter);
preface->setDMSchemes(vector<mxfUL>());
if ((mFlavour & OP1A_ARD_ZDF_HDF_PROFILE_FLAVOUR))
preface->setIsRIPPresent(true);
// Preface - Identification
Identification *ident = new Identification(mHeaderMetadata);
preface->appendIdentifications(ident);
ident->initialise(mCompanyName, mProductName, mVersionString, mProductUID);
if (mProductVersion.major != 0 || mProductVersion.minor != 0 || mProductVersion.patch != 0 ||
mProductVersion.build != 0 || mProductVersion.release != 0)
{
ident->setProductVersion(mProductVersion);
}
ident->setModificationDate(mCreationDate);
ident->setThisGenerationUID(mGenerationUID);
// Preface - ContentStorage
ContentStorage* content_storage = new ContentStorage(mHeaderMetadata);
preface->setContentStorage(content_storage);
// Preface - ContentStorage - EssenceContainerData
EssenceContainerData *ess_container_data = new EssenceContainerData(mHeaderMetadata);
content_storage->appendEssenceContainerData(ess_container_data);
ess_container_data->setLinkedPackageUID(mFileSourcePackageUID);
ess_container_data->setIndexSID(INDEX_SID);
ess_container_data->setBodySID(BODY_SID);
// Preface - ContentStorage - MaterialPackage
mMaterialPackage = new MaterialPackage(mHeaderMetadata);
content_storage->appendPackages(mMaterialPackage);
mMaterialPackage->setPackageUID(mMaterialPackageUID);
mMaterialPackage->setPackageCreationDate(mCreationDate);
mMaterialPackage->setPackageModifiedDate(mCreationDate);
if (!mClipName.empty())
mMaterialPackage->setName(mClipName);
// Preface - ContentStorage - MaterialPackage - Timecode Track
Track *timecode_track = new Track(mHeaderMetadata);
mMaterialPackage->appendTracks(timecode_track);
timecode_track->setTrackName(TIMECODE_TRACK_NAME);
timecode_track->setTrackID(TIMECODE_TRACK_ID);
timecode_track->setTrackNumber(0);
timecode_track->setEditRate(mEditRate);
timecode_track->setOrigin(0);
// Preface - ContentStorage - MaterialPackage - Timecode Track - Sequence
Sequence *sequence = new Sequence(mHeaderMetadata);
timecode_track->setSequence(sequence);
sequence->setDataDefinition(MXF_DDEF_L(Timecode));
sequence->setDuration(material_track_duration);
// Preface - ContentStorage - MaterialPackage - Timecode Track - TimecodeComponent
TimecodeComponent *timecode_component = new TimecodeComponent(mHeaderMetadata);
sequence->appendStructuralComponents(timecode_component);
timecode_component->setDataDefinition(MXF_DDEF_L(Timecode));
timecode_component->setDuration(material_track_duration);
timecode_component->setRoundedTimecodeBase(mStartTimecode.GetRoundedTCBase());
timecode_component->setDropFrame(mStartTimecode.IsDropFrame());
timecode_component->setStartTimecode(mStartTimecode.GetOffset());
// Preface - ContentStorage - SourcePackage
mFileSourcePackage = new SourcePackage(mHeaderMetadata);
content_storage->appendPackages(mFileSourcePackage);
mFileSourcePackage->setPackageUID(mFileSourcePackageUID);
mFileSourcePackage->setPackageCreationDate(mCreationDate);
mFileSourcePackage->setPackageModifiedDate(mCreationDate);
// Preface - ContentStorage - SourcePackage - Timecode Track
timecode_track = new Track(mHeaderMetadata);
mFileSourcePackage->appendTracks(timecode_track);
timecode_track->setTrackName(TIMECODE_TRACK_NAME);
timecode_track->setTrackID(TIMECODE_TRACK_ID);
timecode_track->setTrackNumber(0);
timecode_track->setEditRate(mEditRate);
timecode_track->setOrigin(source_track_origin);
// Preface - ContentStorage - SourcePackage - Timecode Track - Sequence
sequence = new Sequence(mHeaderMetadata);
timecode_track->setSequence(sequence);
sequence->setDataDefinition(MXF_DDEF_L(Timecode));
sequence->setDuration(source_track_duration);
// Preface - ContentStorage - SourcePackage - Timecode Track - TimecodeComponent
timecode_component = new TimecodeComponent(mHeaderMetadata);
sequence->appendStructuralComponents(timecode_component);
timecode_component->setDataDefinition(MXF_DDEF_L(Timecode));
timecode_component->setDuration(source_track_duration);
Timecode sp_start_timecode = mStartTimecode;
sp_start_timecode.AddOffset(- mOutputStartOffset, mFrameRate);
timecode_component->setRoundedTimecodeBase(sp_start_timecode.GetRoundedTCBase());
timecode_component->setDropFrame(sp_start_timecode.IsDropFrame());
timecode_component->setStartTimecode(sp_start_timecode.GetOffset());
// Preface - ContentStorage - SourcePackage - (Multiple) File Descriptor
if (mTracks.size() > 1) {
MultipleDescriptor *mult_descriptor = new MultipleDescriptor(mHeaderMetadata);
mFileSourcePackage->setDescriptor(mult_descriptor);
mult_descriptor->setSampleRate(mEditRate);
mult_descriptor->setEssenceContainer(MXF_EC_L(MultipleWrappings));
if (mSupportCompleteSinglePass)
mult_descriptor->setContainerDuration(mInputDuration);
}
// MaterialPackage and file SourcePackage Tracks and FileDescriptor
size_t i;
for (i = 0; i < mTracks.size(); i++)
mTracks[i]->AddHeaderMetadata(mHeaderMetadata, mMaterialPackage, mFileSourcePackage);
}
