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/** * A method that returns an object model of the HeaderPartition in the Essence * @return Header partition in the essence * @throws IOException - any I/O related error will be exposed through an IOException */ public HeaderPartition getHeaderPartition() throws IOException{ RandomIndexPack randomIndexPack = this.getRandomIndexPack(); List<Long> allPartitionByteOffsets = randomIndexPack.getAllPartitionByteOffsets(); long inclusiveRangeStart = allPartitionByteOffsets.get(0); long inclusiveRangeEnd = allPartitionByteOffsets.get(1) - 1; File fileWithHeaderPartition = this.resourceByteRangeProvider.getByteRange(inclusiveRangeStart, inclusiveRangeEnd, this.workingDirectory); ByteProvider byteProvider = this.getByteProvider(fileWithHeaderPartition); HeaderPartition headerPartition = new HeaderPartition(byteProvider, inclusiveRangeStart, inclusiveRangeEnd - inclusiveRangeStart + 1, this.imfErrorLogger); return headerPartition; }
/** * A method that returns the Channel ID to AudioChannelLabelSubDescriptor * @return Channel ID to AudioChannelLabelSubDescriptor mapping */ @Nullable public Map<Long, AudioChannelLabelSubDescriptor> getAudioChannelIDToMCASubDescriptorMap() { List<InterchangeObject> subDescriptors = getAudioChannelLabelSubDescriptors(); Map<Long, AudioChannelLabelSubDescriptor> audioChannelLabelSubDescriptorMap = new HashMap<>(); subDescriptors.stream() .map(e -> AudioChannelLabelSubDescriptor.class.cast(e)) .forEach(e -> audioChannelLabelSubDescriptorMap.put(e.getMCAChannelId() == null? 1 : e.getMCAChannelId(), e)); return audioChannelLabelSubDescriptorMap; }
/** * A getter for the AudioEssence Language * @param imfErrorLogger an error logger for recording any errors - cannot be null * @return a string representing the language code in the Audio Essence * @throws IOException - any I/O related error is exposed through an IOException */ String getAudioEssenceLanguage(@Nonnull IMFErrorLogger imfErrorLogger) throws IOException { return this.getHeaderPartition(imfErrorLogger).getAudioEssenceSpokenLanguage(); }
private static Map<UUID, PayloadRecord> getTrackFileIdToHeaderPartitionPayLoadMap(List<PayloadRecord> headerPartitionPayloadRecords) throws IOException { IMFErrorLogger imfErrorLogger = new IMFErrorLoggerImpl(); Map<UUID, PayloadRecord> trackFileIDMap = new HashMap<>(); for (PayloadRecord payloadRecord : headerPartitionPayloadRecords) { if (payloadRecord.getPayloadAssetType() != PayloadRecord.PayloadAssetType.EssencePartition) { imfErrorLogger.addError(IMFErrorLogger.IMFErrors.ErrorCodes.IMP_VALIDATOR_PAYLOAD_ERROR, IMFErrorLogger.IMFErrors.ErrorLevels.FATAL, String.format("Payload asset type is %s, expected asset type %s", payloadRecord.getPayloadAssetType(), PayloadRecord.PayloadAssetType.EssencePartition.toString())); continue; } HeaderPartition headerPartition = new HeaderPartition(new ByteArrayDataProvider(payloadRecord.getPayload()), 0L, (long) payloadRecord.getPayload().length, imfErrorLogger); Preface preface = headerPartition.getPreface(); GenericPackage genericPackage = preface.getContentStorage().getEssenceContainerDataList().get(0).getLinkedPackage(); SourcePackage filePackage = (SourcePackage) genericPackage; UUID packageUUID = filePackage.getPackageMaterialNumberasUUID(); trackFileIDMap.put(packageUUID, payloadRecord); } return Collections.unmodifiableMap(trackFileIDMap); }
Preface preface = headerPartition.getPreface(); GenericPackage genericPackage = preface.getContentStorage().getEssenceContainerDataList().get(0).getLinkedPackage(); SourcePackage filePackage; if (headerPartition.getAudioEssenceSpokenLanguage() == null) { imfErrorLogger.addError(IMFErrorLogger.IMFErrors.ErrorCodes.IMF_CORE_CONSTRAINTS_ERROR, IMFErrorLogger.IMFErrors.ErrorLevels.NON_FATAL, IMFConstraints.IMF_ESSENCE_EXCEPTION_PREFIX + String.format("WaveAudioEssenceDescriptor in the IMFTrackFile represented by ID %s does not have a RFC5646 spoken language indicated, language code shall be set in the SoundFieldGroupLabelSubDescriptor, unless the AudioEssence does not have a primary spoken language.", packageID.toString())); } else { if (!IMFConstraints.isSpokenLanguageRFC5646Compliant(headerPartition.getAudioEssenceSpokenLanguage())) { List<String> strings = IMFConstraints.getPrimarySpokenLanguageUnicodeString(headerPartition.getAudioEssenceSpokenLanguage()); imfErrorLogger.addError(new ErrorLogger.ErrorObject(IMFErrorLogger.IMFErrors.ErrorCodes.IMF_ESSENCE_COMPONENT_ERROR, IMFErrorLogger.IMFErrors.ErrorLevels.NON_FATAL, String.format("Language Code (%s) in SoundFieldGroupLabelSubdescriptor in the IMFTrackfile represented by ID %s is not RFC5646 compliant", strings, packageID.toString()))); imfErrorLogger.addError(IMFErrorLogger.IMFErrors.ErrorCodes.IMF_CORE_CONSTRAINTS_ERROR, IMFErrorLogger.IMFErrors.ErrorLevels.NON_FATAL, IMFConstraints.IMF_ESSENCE_EXCEPTION_PREFIX + String.format("WaveAudioEssenceDescriptor indicates that the Audio Essence within an Audio Track File is not Wave Clip-Wrapped in the IMFTrackFile represented by ID %s.", packageID.toString())); List<InterchangeObject.InterchangeObjectBO> subDescriptors = headerPartition.getSubDescriptors(); } else { Map<Long, AudioChannelLabelSubDescriptor> audioChannelLabelSubDescriptorMap = headerPartition.getAudioChannelIDToMCASubDescriptorMap(); if (waveAudioEssenceDescriptor.getChannelCount() != audioChannelLabelSubDescriptorMap.size()) { imfErrorLogger.addError(IMFErrorLogger.IMFErrors.ErrorCodes.IMF_CORE_CONSTRAINTS_ERROR, IMFErrorLogger.IMFErrors.ErrorLevels.NON_FATAL, IMFConstraints.IMF_ESSENCE_EXCEPTION_PREFIX + String.format("WaveAudioEssenceDescriptor in the IMFTrackFile represented by ID %s refers to a SoundFieldGroupLabelSubDescriptor that is missing one/all of MCATitle, MCATitleVersion, MCAAudioContentKind, MCAAudioElementKind, %n%s.", packageID.toString(), soundFieldGroupLabelSubDescriptorBO.toString())); SoundFieldGroupLabelSubDescriptor soundFieldGroupLabelSubDescriptor = (SoundFieldGroupLabelSubDescriptor) headerPartition.getSoundFieldGroupLabelSubDescriptors() .get(0); List<InterchangeObject> audioChannelLabelSubDescriptors = headerPartition.getAudioChannelLabelSubDescriptors();
ResourceByteRangeProvider resourceByteRangeProvider = new ByteArrayByteRangeProvider(imfTrackFileMetadata.getHeaderPartition()); HeaderPartition headerPartition = new HeaderPartition(byteProvider, 0L, (long) imfTrackFileMetadata.getHeaderPartition().length, imfErrorLogger); List<InterchangeObject.InterchangeObjectBO> essenceDescriptors = headerPartition.getEssenceDescriptors(); for (InterchangeObject.InterchangeObjectBO essenceDescriptor : essenceDescriptors) { KLVPacket.Header essenceDescriptorHeader = essenceDescriptor.getHeader(); List<KLVPacket.Header> subDescriptorHeaders = new ArrayList<>(); List<InterchangeObject.InterchangeObjectBO> subDescriptors = headerPartition.getSubDescriptors(essenceDescriptor); for (InterchangeObject.InterchangeObjectBO subDescriptorBO : subDescriptors) { if (subDescriptorBO != null) { Document document = docBuilder.newDocument(); RegXMLLibHelper regXMLLibHelper = new RegXMLLibHelper(headerPartition.getPrimerPack().getHeader(), getByteProvider(resourceByteRangeProvider, headerPartition.getPrimerPack().getHeader()));
InterchangeObject.InterchangeObjectBO interchangeObjectBO = this.constructInterchangeObjectBO(clazz, header, byteProvider, this.primerPack.getLocalTagEntryBatch().getLocalTagToUIDMap(), imfErrorLogger); List<InterchangeObject.InterchangeObjectBO> list = this.interchangeObjectBOsMap.get(interchangeObjectBO.getClass().getSimpleName()); if(list == null){ List<Node> resolvedList = resolve(nodeList); && !interchangeObjectBO.getClass().equals(Sequence.SequenceBO.class) && !interchangeObjectBO.getClass().equals(TimedTextDescriptor.TimedTextDescriptorBO.class)){ InterchangeObject interchangeObject = this.constructInterchangeObject(interchangeObjectBO.getClass().getEnclosingClass(), interchangeObjectBO, node); this.cacheInterchangeObject(interchangeObject); this.uidToMetadataSets.put(interchangeObjectBO.getInstanceUID(), interchangeObject); if (interchangeObjectBO instanceof GenericPackage.GenericPackageBO) { this.cacheInterchangeObject(sourceClip); uidToMetadataSets.put(interchangeObjectBO.getInstanceUID(), sourceClip); } else if (interchangeObjectBO.getClass().getEnclosingClass().equals(Sequence.class)) { this.cacheInterchangeObject(sequence); uidToMetadataSets.put(interchangeObjectBO.getInstanceUID(), sequence); } else if (interchangeObjectBO.getClass().getEnclosingClass().equals(TimelineTrack.class)) { this.cacheInterchangeObject(timelineTrack); uidToMetadataSets.put(interchangeObjectBO.getInstanceUID(), timelineTrack); this.cacheInterchangeObject(sourcePackage); uidToMetadataSets.put(interchangeObjectBO.getInstanceUID(), sourcePackage); uidToMetadataSets.put(((SourcePackage.SourcePackageBO) interchangeObjectBO).getPackageUID(), sourcePackage); this.cacheInterchangeObject(materialPackage);
Preface preface = headerPartition.getPreface(); String trackFileID_Prefix = ""; if(preface != null) { if (headerPartition.getContentStorageList().size() != 1) headerPartition.getContentStorageList().size())); if (headerPartition.getEssenceContainerDataList().size() != 1) headerPartition.getEssenceContainerDataList().size())); if (headerPartition.getMaterialPackages().size() != 1) headerPartition.getMaterialPackages().size())); MaterialPackage materialPackage = (MaterialPackage)headerPartition.getMaterialPackages().get(0); MaterialPackage materialPackage = (MaterialPackage)headerPartition.getMaterialPackages().get(0); for (TimelineTrack timelineTrack : materialPackage.getTimelineTracks())
()), imfErrorLogger); HeaderPartition headerPartition = new HeaderPartition(new ByteArrayDataProvider(payloadRecord.getPayload()), 0L, (long) payloadRecord.getPayload().length, imfErrorLogger); audioLanguageSet.add(headerPartition.getAudioEssenceSpokenLanguage());
/** * A method that returns a list of EssenceDescriptor objects referenced by the Source Packages in this HeaderPartition * @param imfErrorLogger an error logger for recording any errors - cannot be null * @return List<InterchangeObjectBO></> corresponding to every EssenceDescriptor in the underlying resource * @throws IOException - any I/O related error will be exposed through an IOException */ List<InterchangeObject.InterchangeObjectBO> getEssenceDescriptors(@Nonnull IMFErrorLogger imfErrorLogger) throws IOException { return this.getHeaderPartition(imfErrorLogger).getEssenceDescriptors(); }
HeaderPartition headerPartition = null; try { headerPartition = new HeaderPartition(byteProvider, inclusiveRangeStart, inclusiveRangeEnd - inclusiveRangeStart + 1, imfErrorLogger); Preface preface = headerPartition.getPreface(); GenericPackage genericPackage = preface.getContentStorage().getEssenceContainerDataList().get(0).getLinkedPackage(); SourcePackage filePackage = (SourcePackage) genericPackage;
/** * A method that returns a list of EssenceDescriptor objects referenced by the Source Packages in the Essence * * @return List of Object model representations corresponding to every EssenceDescriptor in the essence * @throws IOException - any I/O related error will be exposed through an IOException */ public List<? extends InterchangeObject.InterchangeObjectBO> getEssenceDescriptors() throws IOException{ return this.getHeaderPartition().getEssenceDescriptors(); }
()), imfErrorLogger); HeaderPartition headerPartition = new HeaderPartition(new ByteArrayDataProvider(payloadRecord.getPayload()), 0L, (long) payloadRecord.getPayload().length, imfErrorLogger); Preface preface = headerPartition.getPreface(); GenericPackage genericPackage = preface.getContentStorage().getEssenceContainerDataList().get(0).getLinkedPackage(); SourcePackage filePackage = (SourcePackage) genericPackage;
private List<ErrorObject> validateMxf(File mxf) { return doValidate(ErrorCodes.IMF_ESSENCE_COMPONENT_ERROR, imfErrorLogger -> { PayloadRecord headerPartitionPayloadRecord = getHeaderPartition(mxf, imfErrorLogger); if (!imfErrorLogger.getErrors().isEmpty() || (headerPartitionPayloadRecord == null)) { return imfErrorLogger.getErrors(); } HeaderPartition headerPartition = new HeaderPartition( new ByteArrayDataProvider(headerPartitionPayloadRecord.getPayload()), 0L, (long) headerPartitionPayloadRecord.getPayload().length, imfErrorLogger); MXFOperationalPattern1A.HeaderPartitionOP1A headerPartitionOP1A = MXFOperationalPattern1A.checkOperationalPattern1ACompliance(headerPartition); IMFConstraints.checkIMFCompliance(headerPartitionOP1A); return imfErrorLogger.getErrors(); }); }
/** * Returns the EditRate as a list containing the numerator and denominator * @param imfErrorLogger an error logger for recording any errors - cannot be null * @return editRate of the essence as a List of Long Integers */ List<Long> getEssenceEditRateAsList(@Nonnull IMFErrorLogger imfErrorLogger) throws IOException { if(!(this.getHeaderPartition(imfErrorLogger).getEssenceDescriptors().size() > 0)){ throw new MXFException(String.format("No EssenceDescriptors were found in the MXF essence")); } FileDescriptor.FileDescriptorBO fileDescriptorBO = (FileDescriptor.FileDescriptorBO) this.getHeaderPartition(imfErrorLogger).getEssenceDescriptors().get(0); return fileDescriptorBO.getSampleRate(); }
/** * A method that returns the spoken language within this essence provided it is an Audio Essence * @return string representing a spoken language as defined in RFC-5646 * @throws IOException - any I/O related error is exposed through an IOException */ public String getAudioEssenceSpokenLanguage() throws IOException { return this.getHeaderPartition().getAudioEssenceSpokenLanguage(); }
HeaderPartition headerPartition = new HeaderPartition(new ByteArrayDataProvider(payloadRecord.getPayload()), 0L, (long) payloadRecord.getPayload().length, Preface preface = headerPartitionIMF.getHeaderPartitionOP1A().getHeaderPartition().getPreface(); GenericPackage genericPackage = preface.getContentStorage().getEssenceContainerDataList().get(0).getLinkedPackage(); SourcePackage filePackage = (SourcePackage) genericPackage;
continue; headerPartitionTuples.add(new Composition.HeaderPartitionTuple(new HeaderPartition(new ByteArrayDataProvider(payloadRecord.getPayload()), 0L, (long) payloadRecord.getPayload().length,
/** * A method that retrieves all the EssenceTypes present in the MXF file * @return a list of all essence types present in the MXF file */ public List<EssenceTypeEnum> getEssenceTypes() { List<EssenceTypeEnum> essenceTypes = new ArrayList<>(); for(InterchangeObject.InterchangeObjectBO interchangeObjectBO : this.getEssenceDescriptors()){ if(interchangeObjectBO.getClass().getEnclosingClass().equals(WaveAudioEssenceDescriptor.class)){ essenceTypes.add(EssenceTypeEnum.MainAudioEssence); } else if(interchangeObjectBO.getClass().getEnclosingClass().equals(CDCIPictureEssenceDescriptor.class)){ essenceTypes.add(EssenceTypeEnum.MainImageEssence); } else if(interchangeObjectBO.getClass().getEnclosingClass().equals(RGBAPictureEssenceDescriptor.class)){ essenceTypes.add(EssenceTypeEnum.MainImageEssence); } else if(interchangeObjectBO.getClass().getEnclosingClass().equals(TimedTextDescriptor.class)){ essenceTypes.add(EssenceTypeEnum.SubtitlesEssence); } } if (essenceTypes.size() == 0){ List<EssenceTypeEnum> essenceTypeList = new ArrayList<>(); essenceTypeList.add(EssenceTypeEnum.UnsupportedEssence); return Collections.unmodifiableList(essenceTypeList); } else{ return Collections.unmodifiableList(essenceTypes); } }
headerPartition = new HeaderPartition(new ByteArrayDataProvider(payloadRecord.getPayload()), 0L, (long)payloadRecord.getPayload().length, Preface preface = headerPartition.getPreface(); GenericPackage genericPackage = preface.getContentStorage().getEssenceContainerDataList().get(0).getLinkedPackage(); SourcePackage filePackage = (SourcePackage) genericPackage;