discord.js/lib/Voice/VoicePacket.js

"use strict";exports.__esModule = true;function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor)){throw new TypeError("Cannot call a class as a function");}}var nacl;try{nacl = require("tweetnacl");}catch(e) { // no tweetnacl!
}var nonce=new Buffer(24);nonce.fill(0);var VoicePacket=function VoicePacket(data,sequence,time,ssrc,secret){_classCallCheck(this,VoicePacket);if(!nacl){throw new Error("tweetnacl not found! Perhaps you didn't install it.");}var mac=secret?16:0;var packetLength=data.length + 12 + mac;var audioBuffer=data;var returnBuffer=new Buffer(packetLength);returnBuffer.fill(0);returnBuffer[0] = 0x80;returnBuffer[1] = 0x78;returnBuffer.writeUIntBE(sequence,2,2);returnBuffer.writeUIntBE(time,4,4);returnBuffer.writeUIntBE(ssrc,8,4);if(secret){ // copy first 12 bytes
returnBuffer.copy(nonce,0,0,12);audioBuffer = nacl.secretbox(data,nonce,secret);}for(var i=0;i < audioBuffer.length;i++) {returnBuffer[i + 12] = audioBuffer[i];}return returnBuffer;};exports["default"] = VoicePacket;module.exports = exports["default"];