253 lines
9.3 KiB
JavaScript
253 lines
9.3 KiB
JavaScript
"use strict";
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
|
exports.ParserFactory = exports.parseHttpContentType = void 0;
|
|
const FileType = require("file-type/core");
|
|
const ContentType = require("content-type");
|
|
const MimeType = require("media-typer");
|
|
const debug_1 = require("debug");
|
|
const MetadataCollector_1 = require("./common/MetadataCollector");
|
|
const AiffParser_1 = require("./aiff/AiffParser");
|
|
const APEv2Parser_1 = require("./apev2/APEv2Parser");
|
|
const AsfParser_1 = require("./asf/AsfParser");
|
|
const FlacParser_1 = require("./flac/FlacParser");
|
|
const MP4Parser_1 = require("./mp4/MP4Parser");
|
|
const MpegParser_1 = require("./mpeg/MpegParser");
|
|
const musepack_1 = require("./musepack");
|
|
const OggParser_1 = require("./ogg/OggParser");
|
|
const WaveParser_1 = require("./wav/WaveParser");
|
|
const WavPackParser_1 = require("./wavpack/WavPackParser");
|
|
const DsfParser_1 = require("./dsf/DsfParser");
|
|
const DsdiffParser_1 = require("./dsdiff/DsdiffParser");
|
|
const MatroskaParser_1 = require("./matroska/MatroskaParser");
|
|
const debug = (0, debug_1.default)('music-metadata:parser:factory');
|
|
function parseHttpContentType(contentType) {
|
|
const type = ContentType.parse(contentType);
|
|
const mime = MimeType.parse(type.type);
|
|
return {
|
|
type: mime.type,
|
|
subtype: mime.subtype,
|
|
suffix: mime.suffix,
|
|
parameters: type.parameters
|
|
};
|
|
}
|
|
exports.parseHttpContentType = parseHttpContentType;
|
|
async function parse(tokenizer, parserId, opts = {}) {
|
|
// Parser found, execute parser
|
|
const parser = await ParserFactory.loadParser(parserId);
|
|
const metadata = new MetadataCollector_1.MetadataCollector(opts);
|
|
await parser.init(metadata, tokenizer, opts).parse();
|
|
return metadata.toCommonMetadata();
|
|
}
|
|
class ParserFactory {
|
|
/**
|
|
* Parse metadata from tokenizer
|
|
* @param tokenizer - Tokenizer
|
|
* @param opts - Options
|
|
* @returns Native metadata
|
|
*/
|
|
static async parseOnContentType(tokenizer, opts) {
|
|
const { mimeType, path, url } = await tokenizer.fileInfo;
|
|
// Resolve parser based on MIME-type or file extension
|
|
const parserId = ParserFactory.getParserIdForMimeType(mimeType) || ParserFactory.getParserIdForExtension(path) || ParserFactory.getParserIdForExtension(url);
|
|
if (!parserId) {
|
|
debug('No parser found for MIME-type / extension: ' + mimeType);
|
|
}
|
|
return this.parse(tokenizer, parserId, opts);
|
|
}
|
|
static async parse(tokenizer, parserId, opts) {
|
|
if (!parserId) {
|
|
// Parser could not be determined on MIME-type or extension
|
|
debug('Guess parser on content...');
|
|
const buf = Buffer.alloc(4100);
|
|
await tokenizer.peekBuffer(buf, { mayBeLess: true });
|
|
if (tokenizer.fileInfo.path) {
|
|
parserId = this.getParserIdForExtension(tokenizer.fileInfo.path);
|
|
}
|
|
if (!parserId) {
|
|
const guessedType = await FileType.fromBuffer(buf);
|
|
if (!guessedType) {
|
|
throw new Error('Failed to determine audio format');
|
|
}
|
|
debug(`Guessed file type is mime=${guessedType.mime}, extension=${guessedType.ext}`);
|
|
parserId = ParserFactory.getParserIdForMimeType(guessedType.mime);
|
|
if (!parserId) {
|
|
throw new Error('Guessed MIME-type not supported: ' + guessedType.mime);
|
|
}
|
|
}
|
|
}
|
|
// Parser found, execute parser
|
|
return parse(tokenizer, parserId, opts);
|
|
}
|
|
/**
|
|
* @param filePath - Path, filename or extension to audio file
|
|
* @return Parser sub-module name
|
|
*/
|
|
static getParserIdForExtension(filePath) {
|
|
if (!filePath)
|
|
return;
|
|
const extension = this.getExtension(filePath).toLocaleLowerCase() || filePath;
|
|
switch (extension) {
|
|
case '.mp2':
|
|
case '.mp3':
|
|
case '.m2a':
|
|
case '.aac': // Assume it is ADTS-container
|
|
return 'mpeg';
|
|
case '.ape':
|
|
return 'apev2';
|
|
case '.mp4':
|
|
case '.m4a':
|
|
case '.m4b':
|
|
case '.m4pa':
|
|
case '.m4v':
|
|
case '.m4r':
|
|
case '.3gp':
|
|
return 'mp4';
|
|
case '.wma':
|
|
case '.wmv':
|
|
case '.asf':
|
|
return 'asf';
|
|
case '.flac':
|
|
return 'flac';
|
|
case '.ogg':
|
|
case '.ogv':
|
|
case '.oga':
|
|
case '.ogm':
|
|
case '.ogx':
|
|
case '.opus': // recommended filename extension for Ogg Opus
|
|
case '.spx': // recommended filename extension for Ogg Speex
|
|
return 'ogg';
|
|
case '.aif':
|
|
case '.aiff':
|
|
case '.aifc':
|
|
return 'aiff';
|
|
case '.wav':
|
|
case '.bwf': // Broadcast Wave Format
|
|
return 'riff';
|
|
case '.wv':
|
|
case '.wvp':
|
|
return 'wavpack';
|
|
case '.mpc':
|
|
return 'musepack';
|
|
case '.dsf':
|
|
return 'dsf';
|
|
case '.dff':
|
|
return 'dsdiff';
|
|
case '.mka':
|
|
case '.mkv':
|
|
case '.mk3d':
|
|
case '.mks':
|
|
case '.webm':
|
|
return 'matroska';
|
|
}
|
|
}
|
|
static async loadParser(moduleName) {
|
|
switch (moduleName) {
|
|
case 'aiff': return new AiffParser_1.AIFFParser();
|
|
case 'adts':
|
|
case 'mpeg':
|
|
return new MpegParser_1.MpegParser();
|
|
case 'apev2': return new APEv2Parser_1.APEv2Parser();
|
|
case 'asf': return new AsfParser_1.AsfParser();
|
|
case 'dsf': return new DsfParser_1.DsfParser();
|
|
case 'dsdiff': return new DsdiffParser_1.DsdiffParser();
|
|
case 'flac': return new FlacParser_1.FlacParser();
|
|
case 'mp4': return new MP4Parser_1.MP4Parser();
|
|
case 'musepack': return new musepack_1.default();
|
|
case 'ogg': return new OggParser_1.OggParser();
|
|
case 'riff': return new WaveParser_1.WaveParser();
|
|
case 'wavpack': return new WavPackParser_1.WavPackParser();
|
|
case 'matroska': return new MatroskaParser_1.MatroskaParser();
|
|
default:
|
|
throw new Error(`Unknown parser type: ${moduleName}`);
|
|
}
|
|
}
|
|
static getExtension(fname) {
|
|
const i = fname.lastIndexOf('.');
|
|
return i === -1 ? '' : fname.slice(i);
|
|
}
|
|
/**
|
|
* @param httpContentType - HTTP Content-Type, extension, path or filename
|
|
* @returns Parser sub-module name
|
|
*/
|
|
static getParserIdForMimeType(httpContentType) {
|
|
let mime;
|
|
try {
|
|
mime = parseHttpContentType(httpContentType);
|
|
}
|
|
catch (err) {
|
|
debug(`Invalid HTTP Content-Type header value: ${httpContentType}`);
|
|
return;
|
|
}
|
|
const subType = mime.subtype.indexOf('x-') === 0 ? mime.subtype.substring(2) : mime.subtype;
|
|
switch (mime.type) {
|
|
case 'audio':
|
|
switch (subType) {
|
|
case 'mp3': // Incorrect MIME-type, Chrome, in Web API File object
|
|
case 'mpeg':
|
|
return 'mpeg';
|
|
case 'aac':
|
|
case 'aacp':
|
|
return 'adts';
|
|
case 'flac':
|
|
return 'flac';
|
|
case 'ape':
|
|
case 'monkeys-audio':
|
|
return 'apev2';
|
|
case 'mp4':
|
|
case 'm4a':
|
|
return 'mp4';
|
|
case 'ogg': // RFC 7845
|
|
case 'opus': // RFC 6716
|
|
case 'speex': // RFC 5574
|
|
return 'ogg';
|
|
case 'ms-wma':
|
|
case 'ms-wmv':
|
|
case 'ms-asf':
|
|
return 'asf';
|
|
case 'aiff':
|
|
case 'aif':
|
|
case 'aifc':
|
|
return 'aiff';
|
|
case 'vnd.wave':
|
|
case 'wav':
|
|
case 'wave':
|
|
return 'riff';
|
|
case 'wavpack':
|
|
return 'wavpack';
|
|
case 'musepack':
|
|
return 'musepack';
|
|
case 'matroska':
|
|
case 'webm':
|
|
return 'matroska';
|
|
case 'dsf':
|
|
return 'dsf';
|
|
}
|
|
break;
|
|
case 'video':
|
|
switch (subType) {
|
|
case 'ms-asf':
|
|
case 'ms-wmv':
|
|
return 'asf';
|
|
case 'm4v':
|
|
case 'mp4':
|
|
return 'mp4';
|
|
case 'ogg':
|
|
return 'ogg';
|
|
case 'matroska':
|
|
case 'webm':
|
|
return 'matroska';
|
|
}
|
|
break;
|
|
case 'application':
|
|
switch (subType) {
|
|
case 'vnd.ms-asf':
|
|
return 'asf';
|
|
case 'ogg':
|
|
return 'ogg';
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
exports.ParserFactory = ParserFactory;
|