Working with metadata in Matroska (MKV) files Leave feedback

try (Metadata metadata = new Metadata(Constants.InputMkv)) {
	MatroskaRootPackage root = metadata.getRootPackageGeneric();
	// Read the EBML header
	System.out.println(String.format("DocType: %s", root.getMatroskaPackage().getEbmlHeader().getDocType()));
	System.out.println(String.format("DocTypeReadVersion: %s", root.getMatroskaPackage().getEbmlHeader().getDocTypeReadVersion()));
	System.out.println(String.format("DocTypeVersion: %s", root.getMatroskaPackage().getEbmlHeader().getDocTypeVersion()));
	System.out.println(String.format("ReadVersion: %s", root.getMatroskaPackage().getEbmlHeader().getReadVersion()));
	System.out.println(String.format("Version: %s", root.getMatroskaPackage().getEbmlHeader().getVersion()));

	// Read Matroska segment information
	for (MatroskaSegment segment : root.getMatroskaPackage().getSegments()) {
		System.out.println(String.format("DateUtc: %s", segment.getDateUtc()));
		System.out.println(String.format("Duration: %s", segment.getDuration()));
		System.out.println(String.format("MuxingApp: %s", segment.getMuxingApp()));
		System.out.println(String.format("SegmentFilename: %s", segment.getSegmentFilename()));
		System.out.println(String.format("SegmentUid: %s", segment.getSegmentUid()));
		System.out.println(String.format("TimecodeScale: %s", segment.getTimecodeScale()));
		System.out.println(String.format("Title: %s", segment.getTitle()));
		System.out.println(String.format("WritingApp: %s", segment.getWritingApp()));
	}

	// Read Matroska tag metadata
	for (MatroskaTag tag : root.getMatroskaPackage().getTags()) {
		System.out.println(String.format("TargetType: %s", tag.getTargetType()));
		System.out.println(String.format("TargetTypeValue: %s", tag.getTargetTypeValue()));
		System.out.println(String.format("TagTrackUid: %s", tag.getTagTrackUid()));
		for (MetadataProperty simpleTag : tag.getSimpleTags()) {
			System.out.println(String.format("Name: %s", simpleTag.getName()));
			System.out.println(String.format("Value: %s", simpleTag.getValue()));
		}
	}

	// Read Matroska track metadata
	for (MatroskaTrack track : root.getMatroskaPackage().getTracks()) {
		System.out.println(String.format("CodecId: %s", track.getCodecID()));
		System.out.println(String.format("CodecName: %s", track.getCodecName()));
		System.out.println(String.format("DefaultDuration: %s", track.getDefaultDuration()));
		System.out.println(String.format("FlagEnabled: %s", track.getFlagEnabled()));
		System.out.println(String.format("Language: %s", track.getLanguage()));
		System.out.println(String.format("LanguageIetf: %s", track.getLanguageIetf()));
		System.out.println(String.format("Name: %s", track.getName()));
		System.out.println(String.format("TrackNumber: %s", track.getTrackNumber()));
		System.out.println(String.format("TrackType: %s", track.getTrackType()));
		System.out.println(String.format("TrackUid: %s", track.getTrackUid()));
		if (track instanceof MatroskaAudioTrack) {
			MatroskaAudioTrack audioTrack = (MatroskaAudioTrack) track;
			System.out.println(String.format("SamplingFrequency: %s", audioTrack.getSamplingFrequency()));
			System.out.println(String.format("OutputSamplingFrequency: %s", audioTrack.getOutputSamplingFrequency()));
			System.out.println(String.format("Channels: %s", audioTrack.getChannels()));
			System.out.println(String.format("BitDepth: %s", audioTrack.getBitDepth()));
		}
		if (track instanceof MatroskaVideoTrack) {
			MatroskaVideoTrack videoTrack = (MatroskaVideoTrack) track;
			System.out.println(String.format("FlagInterlaced: %s", videoTrack.getFlagInterlaced()));
			System.out.println(String.format("FieldOrder: %s", videoTrack.getFieldOrder()));
			System.out.println(String.format("StereoMode: %s", videoTrack.getStereoMode()));
			System.out.println(String.format("AlphaMode: %s", videoTrack.getAlphaMode()));
			System.out.println(String.format("PixelWidth: %s", videoTrack.getPixelWidth()));
			System.out.println(String.format("PixelHeight: %s", videoTrack.getPixelHeight()));
			System.out.println(String.format("PixelCropBottom: %s", videoTrack.getPixelCropBottom()));
			System.out.println(String.format("PixelCropTop: %s", videoTrack.getPixelCropTop()));
			System.out.println(String.format("PixelCropLeft: %s", videoTrack.getPixelCropLeft()));
			System.out.println(String.format("PixelCropRight: %s", videoTrack.getPixelCropRight()));
			System.out.println(String.format("DisplayWidth: %s", videoTrack.getDisplayWidth()));
			System.out.println(String.format("DisplayHeight: %s", videoTrack.getDisplayHeight()));
			System.out.println(String.format("DisplayUnit: %s", videoTrack.getDisplayUnit()));
		}
	}
}

try (Metadata metadata = new Metadata(Constants.MkvWithSubtitles)) {
	MatroskaRootPackage root = metadata.getRootPackageGeneric();

	for (MatroskaSubtitleTrack subtitleTrack : root.getMatroskaPackage().getSubtitleTracks()) {
		System.out.println(subtitleTrack.getLanguageIetf() != null ? subtitleTrack.getLanguageIetf() : subtitleTrack.getLanguage());
		for (MatroskaSubtitle subtitle : subtitleTrack.getSubtitles()) {
			System.out.println(String.format("Timecode=%s, Duration=%s", subtitle.getTimecode(), subtitle.getDuration()));
			System.out.println(subtitle.getText());
		}
	}
}