discord.js/lib/Voice/VoicePacket.js

"use strict";

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

var VoicePacket = function VoicePacket(data, sequence, time, ssrc) {
	_classCallCheck(this, VoicePacket);

	var audioBuffer = data,
	    returnBuffer = new Buffer(audioBuffer.length + 12);

	returnBuffer.fill(0);
	returnBuffer[0] = 0x80;
	returnBuffer[1] = 0x78;

	returnBuffer.writeUIntBE(sequence, 2, 2);
	returnBuffer.writeUIntBE(time, 4, 4);
	returnBuffer.writeUIntBE(ssrc, 8, 4);

	for (var i = 0; i < audioBuffer.length; i++) {
		returnBuffer[i + 12] = audioBuffer[i];
	}

	return returnBuffer;
};

module.exports = VoicePacket;