music-metadata
Version:
Music metadata parser for Node.js, supporting virtual any audio and tag format.
284 lines • 16.7 kB
JavaScript
import { DataType } from '../ebml/types.js';
/**
* Elements of document type description
* Derived from https://github.com/tungol/EBML/blob/master/doctypes/matroska.dtd
* Extended with:
* - https://www.matroska.org/technical/specs/index.html
*/
export const matroskaDtd = {
name: 'dtd',
container: {
0x1a45dfa3: {
name: 'ebml',
container: {
0x4286: { name: 'ebmlVersion', value: DataType.uint }, // 5.1.1
0x42f7: { name: 'ebmlReadVersion', value: DataType.uint }, // 5.1.2
0x42f2: { name: 'ebmlMaxIDWidth', value: DataType.uint }, // 5.1.3
0x42f3: { name: 'ebmlMaxSizeWidth', value: DataType.uint }, // 5.1.4
0x4282: { name: 'docType', value: DataType.string }, // 5.1.5
0x4287: { name: 'docTypeVersion', value: DataType.uint }, // 5.1.6
0x4285: { name: 'docTypeReadVersion', value: DataType.uint } // 5.1.7
}
},
// Matroska segments
0x18538067: {
name: 'segment',
container: {
// Meta Seek Information (also known as MetaSeek)
0x114d9b74: {
name: 'seekHead',
container: {
0x4dbb: {
name: 'seek',
multiple: true,
container: {
0x53ab: { name: 'id', value: DataType.binary },
0x53ac: { name: 'position', value: DataType.uint }
}
}
}
},
// Segment Information
0x1549a966: {
name: 'info',
container: {
0x73a4: { name: 'uid', value: DataType.uid },
0x7384: { name: 'filename', value: DataType.string },
0x3cb923: { name: 'prevUID', value: DataType.uid },
0x3c83ab: { name: 'prevFilename', value: DataType.string },
0x3eb923: { name: 'nextUID', value: DataType.uid },
0x3e83bb: { name: 'nextFilename', value: DataType.string },
0x2ad7b1: { name: 'timecodeScale', value: DataType.uint },
0x4489: { name: 'duration', value: DataType.float },
0x4461: { name: 'dateUTC', value: DataType.uint },
0x7ba9: { name: 'title', value: DataType.string },
0x4d80: { name: 'muxingApp', value: DataType.string },
0x5741: { name: 'writingApp', value: DataType.string }
}
},
// Cluster
0x1f43b675: {
name: 'cluster',
multiple: true,
container: {
0xe7: { name: 'timecode', value: DataType.uid },
0x58d7: { name: 'silentTracks ', multiple: true },
0xa7: { name: 'position', value: DataType.uid },
0xab: { name: 'prevSize', value: DataType.uid },
0xa0: { name: 'blockGroup' },
0xa3: { name: 'simpleBlock' }
}
},
// Track
0x1654ae6b: {
name: 'tracks',
container: {
0xae: {
name: 'entries',
multiple: true,
container: {
0xd7: { name: 'trackNumber', value: DataType.uint },
0x73c5: { name: 'uid', value: DataType.uid },
0x83: { name: 'trackType', value: DataType.uint },
0xb9: { name: 'flagEnabled', value: DataType.bool },
0x88: { name: 'flagDefault', value: DataType.bool },
0x55aa: { name: 'flagForced', value: DataType.bool }, // extended
0x9c: { name: 'flagLacing', value: DataType.bool },
0x6de7: { name: 'minCache', value: DataType.uint },
0x6de8: { name: 'maxCache', value: DataType.uint },
0x23e383: { name: 'defaultDuration', value: DataType.uint },
0x23314f: { name: 'timecodeScale', value: DataType.float },
0x536e: { name: 'name', value: DataType.string },
0x22b59c: { name: 'language', value: DataType.string },
0x86: { name: 'codecID', value: DataType.string },
0x63a2: { name: 'codecPrivate', value: DataType.binary },
0x258688: { name: 'codecName', value: DataType.string },
0x3a9697: { name: 'codecSettings', value: DataType.string },
0x3b4040: { name: 'codecInfoUrl', value: DataType.string },
0x26b240: { name: 'codecDownloadUrl', value: DataType.string },
0xaa: { name: 'codecDecodeAll', value: DataType.bool },
0x6fab: { name: 'trackOverlay', value: DataType.uint },
// Video
0xe0: {
name: 'video',
container: {
0x9a: { name: 'flagInterlaced', value: DataType.bool },
0x53b8: { name: 'stereoMode', value: DataType.uint },
0xb0: { name: 'pixelWidth', value: DataType.uint },
0xba: { name: 'pixelHeight', value: DataType.uint },
0x54b0: { name: 'displayWidth', value: DataType.uint },
0x54ba: { name: 'displayHeight', value: DataType.uint },
0x54b3: { name: 'aspectRatioType', value: DataType.uint },
0x2eb524: { name: 'colourSpace', value: DataType.uint },
0x2fb523: { name: 'gammaValue', value: DataType.float }
}
},
// Audio
0xe1: {
name: 'audio',
container: {
0xb5: { name: 'samplingFrequency', value: DataType.float },
0x78b5: { name: 'outputSamplingFrequency', value: DataType.float },
0x9f: { name: 'channels', value: DataType.uint }, // https://www.matroska.org/technical/specs/index.html
0x94: { name: 'channels', value: DataType.uint },
0x7d7b: { name: 'channelPositions', value: DataType.binary },
0x6264: { name: 'bitDepth', value: DataType.uint }
}
},
// Content Encoding
0x6d80: {
name: 'contentEncodings',
container: {
0x6240: {
name: 'contentEncoding',
container: {
0x5031: { name: 'order', value: DataType.uint },
0x5032: { name: 'scope', value: DataType.bool },
0x5033: { name: 'type', value: DataType.uint },
0x5034: {
name: 'contentEncoding',
container: {
0x4254: { name: 'contentCompAlgo', value: DataType.uint },
0x4255: { name: 'contentCompSettings', value: DataType.binary }
}
},
0x5035: {
name: 'contentEncoding',
container: {
0x47e1: { name: 'contentEncAlgo', value: DataType.uint },
0x47e2: { name: 'contentEncKeyID', value: DataType.binary },
0x47e3: { name: 'contentSignature ', value: DataType.binary },
0x47e4: { name: 'ContentSigKeyID ', value: DataType.binary },
0x47e5: { name: 'contentSigAlgo ', value: DataType.uint },
0x47e6: { name: 'contentSigHashAlgo ', value: DataType.uint }
}
},
0x6264: { name: 'bitDepth', value: DataType.uint }
}
}
}
}
}
}
}
},
// Cueing Data
0x1c53bb6b: {
name: 'cues',
container: {
0xbb: {
name: 'cuePoint',
container: {
0xb3: { name: 'cueTime', value: DataType.uid },
0xb7: {
name: 'positions',
container: {
0xf7: { name: 'track', value: DataType.uint },
0xf1: { name: 'clusterPosition', value: DataType.uint },
0x5378: { name: 'blockNumber', value: DataType.uint },
0xea: { name: 'codecState', value: DataType.uint },
0xdb: {
name: 'reference', container: {
0x96: { name: 'time', value: DataType.uint },
0x97: { name: 'cluster', value: DataType.uint },
0x535f: { name: 'number', value: DataType.uint },
0xeb: { name: 'codecState', value: DataType.uint }
}
},
0xf0: { name: 'relativePosition', value: DataType.uint } // extended
}
}
}
}
}
},
// Attachment
0x1941a469: {
name: 'attachments',
container: {
0x61a7: {
name: 'attachedFiles',
multiple: true,
container: {
0x467e: { name: 'description', value: DataType.string },
0x466e: { name: 'name', value: DataType.string },
0x4660: { name: 'mimeType', value: DataType.string },
0x465c: { name: 'data', value: DataType.binary },
0x46ae: { name: 'uid', value: DataType.uid }
}
}
}
},
// Chapters
0x1043a770: {
name: 'chapters',
container: {
0x45b9: {
name: 'editionEntry',
container: {
0xb6: {
name: 'chapterAtom',
container: {
0x73c4: { name: 'uid', value: DataType.uid },
0x91: { name: 'timeStart', value: DataType.uint },
0x92: { name: 'timeEnd', value: DataType.uid },
0x98: { name: 'hidden', value: DataType.bool },
0x4598: { name: 'enabled', value: DataType.uid },
0x8f: {
name: 'track', container: {
0x89: { name: 'trackNumber', value: DataType.uid },
0x80: {
name: 'display', container: {
0x85: { name: 'string', value: DataType.string },
0x437c: { name: 'language ', value: DataType.string },
0x437e: { name: 'country ', value: DataType.string }
}
}
}
}
}
}
}
}
}
},
// Tagging
0x1254c367: {
name: 'tags',
container: {
0x7373: {
name: 'tag',
multiple: true,
container: {
0x63c0: {
name: 'target',
container: {
0x63c5: { name: 'tagTrackUID', value: DataType.uid },
0x63c4: { name: 'tagChapterUID', value: DataType.uint },
0x63c6: { name: 'tagAttachmentUID', value: DataType.uid },
0x63ca: { name: 'targetType', value: DataType.string }, // extended
0x68ca: { name: 'targetTypeValue', value: DataType.uint }, // extended
0x63c9: { name: 'tagEditionUID', value: DataType.uid } // extended
}
},
0x67c8: {
name: 'simpleTags',
multiple: true,
container: {
0x45a3: { name: 'name', value: DataType.string },
0x4487: { name: 'string', value: DataType.string },
0x4485: { name: 'binary', value: DataType.binary },
0x447a: { name: 'language', value: DataType.string }, // extended
0x447b: { name: 'languageIETF', value: DataType.string }, // extended
0x4484: { name: 'default', value: DataType.bool } // extended
}
}
}
}
}
}
}
}
}
};
//# sourceMappingURL=MatroskaDtd.js.map