Lib output for arbitrary ffmpeg playback

lib/Voice/AudioEncoder.js

@@ -113,6 +113,33 @@ var AudioEncoder = (function () {
 		});
 	};
 
+	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 () {
+				console.log("end");
+				reject("end");
+			});
+
+			enc.stdout.on("close", function () {
+				console.log("close");
+				reject("close");
+			});
+		});
+	};
+
 	return AudioEncoder;
 })();