AWESOME MAGIC

lib/Voice/AudioEncoder.js

@@ -0,0 +1,48 @@
+"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 = require("node-opus");
+var VoicePacket = require("./VoicePacket.js");
+
+var AudioEncoder = (function () {
+	function AudioEncoder() {
+		_classCallCheck(this, AudioEncoder);
+
+		this.opus = new opus.OpusEncoder(48000, 1);
+	}
+
+	AudioEncoder.prototype.opusBuffer = function opusBuffer(buffer) {
+
+		return this.opus.encode(buffer, 1920);
+	};
+
+	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("ffmpeg", ["-i", file, "-f", "s16le", "-ar", "48000", "-ac", "1", "-af", "volume=1", "pipe:1"]);
+
+			enc.stdout.on("readable", function () {
+				callback(null, enc.stdout);
+				resolve(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;