36 lines
1.2 KiB
JavaScript
36 lines
1.2 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.SpeexParser = void 0;
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const debug_1 = require("debug");
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const VorbisParser_1 = require("../vorbis/VorbisParser");
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const Speex = require("./Speex");
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const debug = (0, debug_1.default)('music-metadata:parser:ogg:speex');
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/**
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* Speex, RFC 5574
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* Ref:
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* - https://www.speex.org/docs/manual/speex-manual/
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* - https://tools.ietf.org/html/rfc5574
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*/
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class SpeexParser extends VorbisParser_1.VorbisParser {
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constructor(metadata, options, tokenizer) {
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super(metadata, options);
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this.tokenizer = tokenizer;
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}
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/**
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* Parse first Speex Ogg page
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* @param {IPageHeader} header
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* @param {Buffer} pageData
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*/
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parseFirstPage(header, pageData) {
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debug('First Ogg/Speex page');
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const speexHeader = Speex.Header.get(pageData, 0);
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this.metadata.setFormat('codec', `Speex ${speexHeader.version}`);
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this.metadata.setFormat('numberOfChannels', speexHeader.nb_channels);
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this.metadata.setFormat('sampleRate', speexHeader.rate);
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if (speexHeader.bitrate !== -1) {
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this.metadata.setFormat('bitrate', speexHeader.bitrate);
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}
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}
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}
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exports.SpeexParser = SpeexParser;
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