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5 lines
2.5 KiB
JavaScript
5 lines
2.5 KiB
JavaScript
"use strict";function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor)){throw new TypeError("Cannot call a class as a function");}}var cpoc=require("child_process");var opus;try{opus = require("node-opus");}catch(e) { // no opus!
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}var VoicePacket=require("./VoicePacket.js");var AudioEncoder=(function(){function AudioEncoder(){_classCallCheck(this,AudioEncoder);if(opus){this.opus = new opus.OpusEncoder(48000,1);}this.choice = false;}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=cpoc.spawnSync(choice);if(!p.error){this.choice = choice;return choice;}}return "help";};AudioEncoder.prototype.encodeStream = function encodeStream(stream){var callback=arguments.length <= 1 || arguments[1] === undefined?function(err,buffer){}:arguments[1];var self=this;return new Promise(function(resolve,reject){var enc=cpoc.spawn(self.getCommand(),["-f","s16le","-ar","48000","-ac","1", // this can be 2 but there's no point, discord makes it mono on playback, wasted bandwidth.
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"-af","volume=1","pipe:1","-i","-"]);stream.pipe(enc.stdin);enc.stdout.once("readable",function(){callback(null,{proc:enc,stream:enc.stdout,instream:stream});resolve({proc:enc,stream:enc.stdout,instream:stream});});enc.stdout.on("end",function(){callback("end");reject("end");});enc.stdout.on("close",function(){callback("close");reject("close");});});};AudioEncoder.prototype.encodeFile = function encodeFile(file){var callback=arguments.length <= 1 || arguments[1] === undefined?function(err,buffer){}:arguments[1];var self=this;return new Promise(function(resolve,reject){var enc=cpoc.spawn(self.getCommand(),["-f","s16le","-ar","48000","-ac","1", // this can be 2 but there's no point, discord makes it mono on playback, wasted bandwidth.
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"-af","volume=1","pipe:1","-i",file]);enc.stdout.once("readable",function(){callback(null,{proc:enc,stream:enc.stdout});resolve({proc:enc,stream:enc.stdout});});enc.stdout.on("end",function(){callback("end");reject("end");});enc.stdout.on("close",function(){callback("close");reject("close");});});};return AudioEncoder;})();module.exports = AudioEncoder;
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