node-m3u8-downloader

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id="eed4d2a0bfd64539bb9df78095dec881"></div></div></div><div class="body-wrapper"><div class="main-content"><div class="main-wrapper"><section id="source-page" class="source-page"><header><h1 id="title" class="has-anchor">index.js</h1></header><article><pre class="prettyprint source lang-js"><code>const fs = require('fs') const path = require('path') const events = require('node:events') const ffmpeg = require('ffmpeg-static') const error = require('./src/error') const parse = require('./src/parse') const segments = require('./src/segments') const merge = require('./src/merge') const transmux = require('./src/transmux') class M3U8 extends events { /** * Create an M3U8 Instance Downloader. * @constructor * @param {Object} opt - Options for instance * @param {String} opt.streamUrl - The URL of the m3u8 playlist. * @param {String} opt.outputFile - Path where the downloaded output file will be saved. * @param {String} [opt.quality='highest'] - Quality of the stream to download (default: highest) (qualities: highest, medium and lowest) * @param {String} [opt.mergedPath='require('os').tempdir()/m3u8dl/merged.ts'] - Path where merged ts files from segments are stored (default: cache + '/merged.ts'). * @param {String} [opt.cache='require('os').tempdir()/m3u8dl/'] - Path where temporary files are stored. * @param {Number} [opt.concurrency=10] - Number of download threads (default: 10) * @param {String} [opt.ffmpegPath=ffmpegStatic] - Custom path to ffmpeg executable. (default: ffmpeg-static) * @param {Boolean} [opt.useFfmpegToMerge=false] - Use ffmpeg to merge segments. * @param {Function} [opt.cb=function(event,data){}] - Callback function for events. (default: function(event, data){}) */ constructor(opt) { super() let { streamUrl, outputFile, quality, mergedPath, cache, concurrency, ffmpegPath, useFfmpegToMerge, cb } = opt let options = { streamUrl, output: outputFile, quality: String(quality || 'highest').toLowerCase(), mergedPath, cache: cache || path.join(require('os').tmpdir(), 'm3u8dl'), concurrency: concurrency || 10, captions: [], ffmpegPath: ffmpegPath || ffmpeg, ffmpegMerge: useFfmpegToMerge || false, cb: cb || function(){} } if(!options.streamUrl) throw new error('NO STREAM URL'); if(!options.output) throw new error('PLEASE PROVIDE AN OUTPUT PATH'); options.mergedPath = options.mergedPath || path.join(options.cache, 'merged.ts') this._options = options this.instance = this this.oldEmit = this.emit this.emit = function(one, ...args) { this._options.cb(one, ...args) return this.oldEmit(one, ...args) } } /** * Add a caption file. * @function * @param {string} uri - URI or Path of the caption * @param {string} lang - Language of the caption */ addCaption(uri = null, lang = 'english') { this._options.captions.push({ uri, lang }) } /** * Starts the download * @function */ startDownload() { let master = this let captions = this._options.captions master.emit('start') return new Promise(async(resolve) => { master.emit('parsing') let options = master._options let parsedSegments = await parse(options.streamUrl, options.quality, options.cache) if(!Array.isArray(parsedSegments)) { master.emit('error', parsedSegments) return resolve(new error(parsedSegments)) } master.emit('segments_download:build') let data = await segments(parsedSegments, options.streamUrl, options.cache, options.concurrency, (event, data) => { return master.emit(`segments_download:${event}`, data) }) if(!data || typeof data !== 'object' || !data.totalSegments || !Array.isArray(data.segments)) { master.emit('error', data) return resolve(new error(data)) } master.emit('merging:start') let merged = await merge(data, options.mergedPath, options.ffmpegMerge, options.ffmpegPath) if(merged !== 100) { master.emit('error', merged) return resolve(new error(merged)) } master.emit('merging:end') master.emit('conversion:start') let to_mp4 = await transmux(options.mergedPath, options.output, options.ffmpegPath, captions, options.cache) if(to_mp4 !== 100) { master.emit('error', to_mp4) return resolve(new error(to_mp4)) } master.emit('conversion:end') master.emit('end') if(fs.existsSync(options.cache)) await require('fs/promises').rm(options.cache, { recursive: true, force: true }) return resolve(100) }) } } module.exports = M3U8</code></pre></article></section><footer class="footer" id="PeOAagUepe"><div class="wrapper">Made by MerasGD</div></footer></div></div></div><div class="search-container" id="PkfLWpAbet" style="display:none"><div class="wrapper" id="iCxFxjkHbP"><button class="icon-button search-close-button" id="VjLlGakifb" aria-label="close search"><svg><use xlink:href="#close-icon"></use></svg></button><div 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