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| -rw-r--r-- | .temp/youtube-dl.js | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/.temp/youtube-dl.js b/.temp/youtube-dl.js deleted file mode 100644 index ae2ad15..0000000 --- a/.temp/youtube-dl.js +++ /dev/null @@ -1,246 +0,0 @@ -var spawn = require('child_process').spawn; -var execFile = require('child_process').execFile; -var EventEmitter = require('events').EventEmitter; -var fs = require('fs'); -var path = require('path'); -var url = require('url'); -var split = require('event-stream').split; -var util = require('./util'); - - -// Check that youtube-dl file exists. -var file = path.join(__dirname, '..', 'bin', 'youtube-dl'); -fs.exists(file, function(exists) { - if (exists) return; - - require(__dirname + '/../scripts/download'); - fs.exists(file, function(exists) { - if (!exists) { - throw new Error('youtube-dl file does not exist. tried to download it but failed.'); - } - }); -}); - -var progressRegex = /(\d+(?:\.\d)?)% of (\d+\.\d+\w+) at\s+([^\s]+) ETA ((\d|-)+:(\d|-)+)/; - -var isYouTubeRegex = /^(https?:\/\/)?(www\.)?(youtube\.com|youtu\.be)\//; - -// check if win -var isWin = /^win/.test(process.platform); - -/** - * Downloads a video. - * - * @param {String} urladdr - * @param {String} dest The directory where the video will be saved. - * @param {Array.<String>} args - */ -exports.download = function(urladdr, dest, args) { - // Setup settings. - dest = dest || process.cwd(); - if (args == null) { - args = []; - } else { - args = util.parseOpts(args); - } - args.push(urladdr); - - // Parse url. - var details = url.parse(urladdr, true); - var query = details.query; - - // Get possible IDs. - var id = query.v || ''; - - // Check for long and short youtube video url. - if (!id && isYouTubeRegex.test(urladdr)) { - // Get possible IDs for youtu.be from urladdr. - id = details.pathname.slice(1); - } - - var speed = []; - var start = Date.now(); - - var filename, size, state, youtubedl; - var emitter = new EventEmitter(); - var line = new split(/\r?\n|\r/); - - // Call youtube-dl. - if (!isWin) { - youtubedl = spawn(file, args, { cwd: dest }); - } else { - youtubedl = spawn(process.env.PYTHON, [file].concat(args), { cwd: dest }); - } - - youtubedl.stdout.setEncoding('utf8'); - youtubedl.stdout.pipe(line); - line.on('data', function(data) { - var pos; - - // Check if video is uploading so script can start - // calling the download progress function. - if (state === 'download') { - var result; - if (result = progressRegex.exec(data)) { - // If this is the first progress display, grab file size. - if (!size) { - emitter.emit(state, { - filename : filename - , size : size = result[2] - }); - } - - if (result[3] !== '---b/s') { - speed.push(util.toBytes(result[3].substring(0, result[3].length - 2))); - } - emitter.emit('progress', { - percent : result[1] - , speed : result[3] - , eta : result[4] - }); - } - - // About to start downloading video. - } else if ((pos = data.indexOf('[download] ')) === 0) { - state = 'download'; - filename = data.slice(24); - - // Check if this is any other state. - } else if ((pos = data.indexOf(']')) !== -1) { - state = data.slice(pos + 2); - emitter.emit(state); - } - }); - - youtubedl.stderr.on('data', function(data) { - data = data.toString().trim(); - var err = new Error(data.substring(7, data.length - 1)); - emitter.emit('error', err); - }); - - youtubedl.on('exit', function() { - var averageSpeed = 0; - if (speed.length) { - for (var i = 0, len = speed.length; i < len; i++) { - averageSpeed += speed[i]; - } - averageSpeed /= len; - } - - var timeTaken = Date.now() - start; - emitter.emit('end', { - id : id - , filename : filename - , size : size - , timeTakenms : timeTaken - , timeTaken : util.getHumanTime(timeTaken) - , averageSpeedBytes : util.round(averageSpeed, 2) - , averageSpeed : util.getHumanSize(averageSpeed) + '/s' - }); - }); - - return emitter; -}; - - -/** - * Calls youtube-dl with some arguments and the `callback` - * gets called with the output. - * - * @param {String} url - * @param {Array.<String>} args - * @param {Array.<String>} options - * @param {Function(!Error, String)} callback - */ -function call(url, args, options, callback) { - args = args.concat(util.parseOpts(options)); - args.push(url); - - var opt = [file, args]; - - if (isWin) { opt = [process.env.PYTHON, [file].concat(args)]; } - - // Call youtube-dl. - execFile(opt[0], opt[1], function(err, stdout, stderr) { - if (err) return callback(err); - if (stderr) return callback(new Error(stderr.slice(7))); - - var data = stdout.trim().split(/\r?\n/); - callback(null, data); - }); - -} - - -/** - * Gets info from a video. - * - * @param {String} url - * @param {Array.<String>} options - * @param {Function(!Error, Object)} callback - */ -exports.getInfo = function(url, options, callback) { - if (typeof options === 'function') { - callback = options; - options = []; - } - var args = [ - '--get-id' - , '--get-url' - , '--get-title' - , '--get-thumbnail' - , '--get-filename' - , '--get-format' - , '--get-description' - ]; - - call(url, args, options, function(err, data) { - if (err) return callback(err); - - var format = data[data.length - 1].split(' - '); - var info = { - title : data[0] - , id : data[1] - , url : data[2] - , thumbnail : data[3] - , description : data.slice(4, data.length - 2).join('\n') - , filename : data[data.length - 2] - , itag : parseInt(format[0], 10) - , resolution : format[1] - }; - - callback(null, info); - }); -}; - - -var formatsRegex = /^(\d+)\s+([a-z0-9]+)\s+(\d+x\d+|d+p|audio only)/; - -/** - * @param {String} url - * @param {Array.<String>} options - * @param {Function(!Error, Object)} callback - */ -exports.getFormats = function(url, options, callback) { - if (typeof options === 'function') { - callback = options; - options = []; - } - call(url, ['--list-formats'], options, function(err, data) { - if (err) return callback(err); - - var formats = []; - data.map(function(line) { - var result = formatsRegex.exec(line); - if (result) { - formats.push({ - itag : parseInt(result[1], 10), - filetype : result[2], - resolution : result[3], - }); - } - }); - - callback(null, formats); - }); -}; |