C++ Sequence::appendStructuralComponents方法代码示例

void InsertFramework(HeaderMetadata *header_metadata, uint32_t track_id, std::string track_name, DMFramework *framework, ObjectModifier *mod)
{
    BMX_ASSERT(header_metadata);

    MaterialPackage *material_package = header_metadata->getPreface()->findMaterialPackage();
    BMX_ASSERT(material_package);

    // Preface - ContentStorage - Package - DM Track
    StaticTrack *dm_track = new StaticTrack(header_metadata);
	if (mod!=NULL) mod->Modify(dm_track);
    material_package->appendTracks(dm_track);
    dm_track->setTrackName(track_name);
    dm_track->setTrackID(track_id);
    dm_track->setTrackNumber(0);

    // Preface - ContentStorage - Package - DM Track - Sequence
    Sequence *sequence = new Sequence(header_metadata);
	if (mod!=NULL) mod->Modify(sequence);
    dm_track->setSequence(sequence);
    sequence->setDataDefinition(MXF_DDEF_L(DescriptiveMetadata));

    // Preface - ContentStorage - Package - DM Track - Sequence - DMSegment
    DMSegment *dm_segment = new DMSegment(header_metadata);
	if (mod!=NULL) mod->Modify(dm_segment);
    sequence->appendStructuralComponents(dm_segment);
    dm_segment->setDataDefinition(MXF_DDEF_L(DescriptiveMetadata));

    // move the framework set after the dm degment set
    mxf_remove_set(header_metadata->getCHeaderMetadata(), framework->getCMetadataSet());
    BMX_CHECK(mxf_add_set(header_metadata->getCHeaderMetadata(), framework->getCMetadataSet()));

    // Preface - ContentStorage - Package - DM Track - Sequence - DMSegment - DMFramework
    dm_segment->setDMFramework(framework);
}

void InsertEventFrameworks(HeaderMetadata *header_metadata, uint32_t track_id, std::string track_name, std::vector<EventInput> &frameworks, ObjectModifier *mod)
{
    BMX_ASSERT(header_metadata);

    MaterialPackage *material_package = header_metadata->getPreface()->findMaterialPackage();
    BMX_ASSERT(material_package);

    // Preface - ContentStorage - Package - DM Track
	EventTrack *dm_track = new EventTrack(header_metadata);
	if (mod!=NULL) mod->Modify(dm_track);
    material_package->appendTracks(dm_track);
    dm_track->setTrackName(track_name);
    dm_track->setTrackID(track_id);
    dm_track->setTrackNumber(0);

    // Preface - ContentStorage - Package - DM Track - Sequence
    Sequence *sequence = new Sequence(header_metadata);
	if (mod!=NULL) mod->Modify(sequence);
    dm_track->setSequence(sequence);
    sequence->setDataDefinition(MXF_DDEF_L(DescriptiveMetadata));

	for (std::vector<EventInput>::iterator it = frameworks.begin(); it != frameworks.end(); it++) {
		EventInput& ev = *it;
		// Preface - ContentStorage - Package - DM Track - Sequence - DMSegment
		DMSegment *dm_segment = new DMSegment(header_metadata);
		if (mod!=NULL) mod->Modify(dm_segment);
		sequence->appendStructuralComponents(dm_segment);
		dm_segment->setDataDefinition(MXF_DDEF_L(DescriptiveMetadata));
		dm_segment->setEventStartPosition(ev.start);
		dm_segment->setDuration(ev.duration);

		// move the framework set after the dm degment set
		mxf_remove_set(header_metadata->getCHeaderMetadata(), ev.framework->getCMetadataSet());
		BMX_CHECK(mxf_add_set(header_metadata->getCHeaderMetadata(), ev.framework->getCMetadataSet()));

		// Preface - ContentStorage - Package - DM Track - Sequence - DMSegment - DMFramework
		dm_segment->setDMFramework(ev.framework);
	}

}

void RDD9Track::AddHeaderMetadata(HeaderMetadata *header_metadata, MaterialPackage *material_package,
                                  SourcePackage *file_source_package)
{
    mxfUL data_def = (mIsPicture ? MXF_DDEF_L(Picture) : MXF_DDEF_L(Sound));

    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


    // Preface - ContentStorage - MaterialPackage - Timeline Track
    Track *track = new Track(header_metadata);
    material_package->appendTracks(track);
    track->setTrackName(get_track_name((mIsPicture ? MXF_PICTURE_DDEF : MXF_SOUND_DDEF), mOutputTrackNumber));
    track->setTrackID(mTrackId);
    // TODO: not sure whether setting TrackNumber in the MaterialPackage is a good idea for this MXF flavour
    //       track->setTrackNumber(mOutputTrackNumber);
    track->setTrackNumber(0);
    track->setEditRate(mEditRate);
    track->setOrigin(0);

    // Preface - ContentStorage - MaterialPackage - Timeline Track - Sequence
    Sequence *sequence = new Sequence(header_metadata);
    track->setSequence(sequence);
    sequence->setDataDefinition(data_def);
    sequence->setDuration(material_track_duration);

    // Preface - ContentStorage - MaterialPackage - Timeline Track - Sequence - SourceClip
    SourceClip *source_clip = new SourceClip(header_metadata);
    sequence->appendStructuralComponents(source_clip);
    source_clip->setDataDefinition(data_def);
    source_clip->setDuration(material_track_duration);
    source_clip->setStartPosition(0);
    source_clip->setSourcePackageID(file_source_package->getPackageUID());
    source_clip->setSourceTrackID(mTrackId);


    // Preface - ContentStorage - SourcePackage - Timeline Track
    track = new Track(header_metadata);
    file_source_package->appendTracks(track);
    track->setTrackName(get_track_name((mIsPicture ? MXF_PICTURE_DDEF : MXF_SOUND_DDEF), mOutputTrackNumber));
    track->setTrackID(mTrackId);
    track->setTrackNumber(mTrackNumber);
    track->setEditRate(mEditRate);
    track->setOrigin(source_track_origin);

    // Preface - ContentStorage - SourcePackage - Timeline Track - Sequence
    sequence = new Sequence(header_metadata);
    track->setSequence(sequence);
    sequence->setDataDefinition(data_def);
    sequence->setDuration(source_track_duration);

    // Preface - ContentStorage - SourcePackage - Timeline Track - Sequence - SourceClip
    source_clip = new SourceClip(header_metadata);
    sequence->appendStructuralComponents(source_clip);
    source_clip->setDataDefinition(data_def);
    source_clip->setDuration(source_track_duration);
    source_clip->setStartPosition(0);
    source_clip->setSourceTrackID(0);
    source_clip->setSourcePackageID(g_Null_UMID);

    // Preface - ContentStorage - SourcePackage - FileDescriptor
    FileDescriptor *descriptor = mDescriptorHelper->CreateFileDescriptor(header_metadata);
    BMX_ASSERT(file_source_package->haveDescriptor());
    MultipleDescriptor *mult_descriptor = dynamic_cast<MultipleDescriptor*>(file_source_package->getDescriptor());
    BMX_ASSERT(mult_descriptor);
    mult_descriptor->appendSubDescriptorUIDs(descriptor);
    descriptor->setLinkedTrackID(mTrackId);
}

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);
//.........这里部分代码省略.........

void OP1ATrack::AddHeaderMetadata(HeaderMetadata *header_metadata, MaterialPackage *material_package,
                                  SourcePackage *file_source_package)
{
    mxfUL data_def_ul;
    BMX_CHECK(mxf_get_ddef_label(mDataDef, &data_def_ul));

    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 (mOP1AFile->mSupportCompleteSinglePass) {
        material_track_duration = mOP1AFile->mInputDuration - mOP1AFile->mOutputStartOffset +
                                  mOP1AFile->mOutputEndOffset;
        if (material_track_duration < 0)
            material_track_duration = 0;
        source_track_duration = mOP1AFile->mInputDuration + mOP1AFile->mOutputEndOffset;
        source_track_origin = mOP1AFile->mOutputStartOffset;
    }

    // Preface - ContentStorage - MaterialPackage - Timeline Track
    Track *track = new Track(header_metadata);
    material_package->appendTracks(track);
    track->setTrackName(get_track_name(mDataDef, mOutputTrackNumber));
    track->setTrackID(mTrackId);
    track->setTrackNumber(mOutputTrackNumber);
    track->setEditRate(mEditRate);
    track->setOrigin(0);

    // Preface - ContentStorage - MaterialPackage - Timeline Track - Sequence
    Sequence *sequence = new Sequence(header_metadata);
    track->setSequence(sequence);
    sequence->setDataDefinition(data_def_ul);
    sequence->setDuration(material_track_duration);

    // Preface - ContentStorage - MaterialPackage - Timeline Track - Sequence - SourceClip
    SourceClip *source_clip = new SourceClip(header_metadata);
    sequence->appendStructuralComponents(source_clip);
    source_clip->setDataDefinition(data_def_ul);
    source_clip->setDuration(material_track_duration);
    source_clip->setStartPosition(0);
    source_clip->setSourcePackageID(file_source_package->getPackageUID());
    source_clip->setSourceTrackID(mTrackId);


    // Preface - ContentStorage - SourcePackage - Timeline Track
    track = new Track(header_metadata);
    file_source_package->appendTracks(track);
    track->setTrackName(get_track_name(mDataDef, mOutputTrackNumber));
    track->setTrackID(mTrackId);
    track->setTrackNumber(mTrackNumber);
    track->setEditRate(mEditRate);
    track->setOrigin(source_track_origin);

    // Preface - ContentStorage - SourcePackage - Timeline Track - Sequence
    sequence = new Sequence(header_metadata);
    track->setSequence(sequence);
    sequence->setDataDefinition(data_def_ul);
    sequence->setDuration(source_track_duration);

    // Preface - ContentStorage - SourcePackage - Timeline Track - Sequence - SourceClip
    source_clip = new SourceClip(header_metadata);
    sequence->appendStructuralComponents(source_clip);
    source_clip->setDataDefinition(data_def_ul);
    source_clip->setDuration(source_track_duration);
    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(header_metadata);
    if (file_source_package->haveDescriptor()) {
        MultipleDescriptor *mult_descriptor = dynamic_cast<MultipleDescriptor*>(file_source_package->getDescriptor());
        BMX_ASSERT(mult_descriptor);
        mult_descriptor->appendSubDescriptorUIDs(descriptor);
    } else {
        file_source_package->setDescriptor(descriptor);
    }
    descriptor->setLinkedTrackID(mTrackId);
    if (mOP1AFile->mSupportCompleteSinglePass)
        descriptor->setContainerDuration(mOP1AFile->mInputDuration);

    // Preface - ContentStorage - (lower-level) SourcePackage
    if (mLowerLevelSourcePackage) {
        header_metadata->getPreface()->getContentStorage()->appendPackages(mLowerLevelSourcePackage);
        if (!mLowerLevelURI.empty()) {
            NetworkLocator *network_locator = new NetworkLocator(header_metadata);
            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
//.........这里部分代码省略.........