discord.js/lib/Voice/AudioEncoder.js

"use strict";exports.__esModule = true;function _interopRequireDefault(obj){return obj && obj.__esModule?obj:{"default":obj};}function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor)){throw new TypeError("Cannot call a class as a function");}}var _child_process=require("child_process");var _child_process2=_interopRequireDefault(_child_process);var opus;try{opus = require("node-opus");}catch(e) { // no opus!
}var AudioEncoder=(function(){function AudioEncoder(){_classCallCheck(this,AudioEncoder);if(opus){this.opus = new opus.OpusEncoder(48000,2);}this.choice = false;this.sanityCheckPassed = undefined;}AudioEncoder.prototype.sanityCheck = function sanityCheck(){var _opus=this.opus;var encodeZeroes=function encodeZeroes(){try{var zeroes=new Buffer(1920);zeroes.fill(0);return _opus.encode(zeroes,1920).readUIntBE(0,3);}catch(err) {return false;}};if(this.sanityCheckPassed === undefined)this.sanityCheckPassed = encodeZeroes() === 16056318;return this.sanityCheckPassed;};AudioEncoder.prototype.opusBuffer = function opusBuffer(buffer){return this.opus.encode(buffer,1920);};AudioEncoder.prototype.getCommand = function getCommand(force){if(this.choice && force)return choice;var choices=["avconv","ffmpeg"];for(var _iterator=choices,_isArray=Array.isArray(_iterator),_i=0,_iterator=_isArray?_iterator:_iterator[Symbol.iterator]();;) {var _ref;if(_isArray){if(_i >= _iterator.length)break;_ref = _iterator[_i++];}else {_i = _iterator.next();if(_i.done)break;_ref = _i.value;}var choice=_ref;var p=_child_process2["default"].spawnSync(choice);if(!p.error){this.choice = choice;return choice;}}return "help";};AudioEncoder.prototype.encodeStream = function encodeStream(stream,options){var self=this;return new Promise(function(resolve,reject){var enc=_child_process2["default"].spawn(self.getCommand(),['-loglevel','0','-i','-','-f','s16le','-ar','48000','-ac',2,'pipe:1','-af','volume=' + (options.volume || 1)],{stdio:['pipe','pipe','ignore']});stream.pipe(enc.stdin);enc.stdout.once("readable",function(){resolve({proc:enc,stream:enc.stdout,instream:stream,channels:2});});enc.stdout.on("end",function(){reject("end");});enc.stdout.on("close",function(){reject("close");});});};AudioEncoder.prototype.encodeFile = function encodeFile(file,options){var self=this;return new Promise(function(resolve,reject){var enc=_child_process2["default"].spawn(self.getCommand(),['-loglevel','0','-i',file,'-f','s16le','-ar','48000','-ac',2,'pipe:1','-af','"volume=' + (options.volume || 1) + '"'],{stdio:['pipe','pipe','ignore']});enc.stdout.once("readable",function(){resolve({proc:enc,stream:enc.stdout,channels:2});});enc.stdout.on("end",function(){reject("end");});enc.stdout.on("close",function(){reject("close");});});};AudioEncoder.prototype.encodeArbitraryFFmpeg = function encodeArbitraryFFmpeg(ffmpegOptions){var self=this;return new Promise(function(resolve,reject){ // add options discord.js needs
var options=ffmpegOptions.concat(['-loglevel','0','-f','s16le','-ar','48000','-ac',2,'pipe:1']);var enc=_child_process2["default"].spawn(self.getCommand(),options,{stdio:['pipe','pipe','ignore']});enc.stdout.once("readable",function(){resolve({proc:enc,stream:enc.stdout,channels:2});});enc.stdout.on("end",function(){reject("end");});enc.stdout.on("close",function(){reject("close");});});};return AudioEncoder;})();exports["default"] = AudioEncoder;module.exports = exports["default"];