Download videos from youtube in node.js using youtube-dl.
var youtubedl = require('youtube-dl'); var dl = youtubedl.download('http://www.youtube.com/watch?v=90AiXO1pAiA', './videos', // optional arguments passed to youtube-dl ['--max-quality=18']); // will be called when the download starts dl.on('download', function(data) { console.log('Download started'); console.log('filename: ' + data.filename); console.log('size: ' + data.size); }); // will be called during download progress of a video dl.on('progress', function(data) { process.stdout.write(data.eta + ' ' + data.percent + '% at ' + data.speed + '\r'); }); // catches any errors dl.on('error', function(err) { throw err; }); // called when youtube-dl finishes dl.on('end', function(data) { console.log('\nDownload finished!'); console.log('Filename: ' + data.filename); console.log('Size: ' + data.size); console.log('Time Taken: ' + data.timeTaken); console.log('Time Taken in ms: ' + data.timeTakenms); console.log('Average Speed: ' + data.averageSpeed); console.log('Average Speed in Bytes: ' + data.averageSpeedBytes); });This example can be found in the example folder, and will produce an output that looks like the following when ran.
Download started Video size: 918.31k 00:00 100.0% at 206.12k/s Download finished! Filename: 90AiXO1pAiA.mp4 Size: 918.31k Time Taken: 7 seconds, 27 ms Time Taken in ms: 7027 Average Speed: 333.74KB/s Average Speed in Bytes: 341750.78 var youtubedl = require('youtube-dl'); youtubedl.info('http://www.youtube.com/watch?v=WKsjaOqDXgg', // called when video page is downloaded and info extracted function(err, info) { if (err) throw err; console.log('title: ' + info.title); console.log('url: ' + info.url); console.log('thumbnail: ' + info.thumbnail); console.log('description: ' + info.description); console.log('filename: ' + info.filename); } // optional arguments passed to youtube-dl // ['--username=user', '--password=hunter2'] );Running that will produce something like
title: Ace Rimmer to the Rescue url: http://v2.lscache2.c.youtube.com/videoplayback?sparams=id%2Cexpire%2Cip%2Cipbits%2Citag%2Calgorithm%2Cburst%2Cfactor%2Coc%3AU0hPSFFQVF9FSkNOOV9JSlhJ&fexp=904410%2C907048%2C910100&algorithm=throttle-factor&itag=34&ipbits=0&burst=40&sver=3&signature=4093330AC1A5B0CAF8709A0416A4B593A75BB892.21F2F12C418003492D9877E1570DC7AEE6DBEEBA&expire=1303156800&key=yt1&ip=0.0.0.0&factor=1.25&id=58ab2368ea835e08 thumbnail: http://i4.ytimg.com/vi/WKsjaOqDXgg/default.jpg description: An old Red Dwarf eposide where Ace Rimmer saves the Princess Bonjella. filename: WKsjaOqDXgg.webm For more usage info on youtube-dl and the arguments you can pass to it, do youtube-dl -h or go to the youtube-dl documentation.
npm install youtube-dl Use the -g option if you want npm to add a symlink to youtube-dl so it can be used in command line.
Tests are written with vows
npm testI haven't tested this with playlists yet because I haven't needed to use them. But my guess is they probably work with the download function but not the info function.
MIT