Start of playout commands

includes `loadBg`, `load` and `play`

related to #1

index.js

@@ -21,3 +21,5 @@ util.inherits(ccg, events.EventEmitter);
 require("./lib/connection")(ccg);
 // query commands
 require("./lib/query")(ccg);
+// query commands
+require("./lib/playout")(ccg);

lib/playout.js

@@ -0,0 +1,56 @@
+module.exports = function (ccg) {
+	var sendPlayoutCommand = function (self, cmd, channel, file, options, cb) {
+		cmd += " " + channel;
+		cmd += " " + file.replace("\\", "\\\\");
+
+		if (!cb) {
+			cb = options;
+			options = {};
+		}
+
+		if (options.loop) cmd += " LOOP";
+
+		// this should be validated
+		if (options.transition) cmd += " " + options.transition;
+
+		if (options.seek && parseInt(options.seek, 10) > 0) cmd += " SEEK " + options.seek;
+
+		if (options.length && parseInt(options.seek, 10) > 0) cmd += " SEEK " + options.length;
+
+		if (options.filter) cmd += " " + options.filter;
+
+		if (options.auto) cmd += " AUTO";
+
+		self.sendCommand(cmd, function (err, data) {
+			cb(err, data);
+		});
+	};
+
+	// ---
+	// ccg.load
+	// ---
+	// Load media file
+	// [LOAD](http://casparcg.com/wiki/CasparCG_2.0_AMCP_Protocol#LOAD)
+	ccg.prototype.load = function (channel, file, options, cb) {
+		sendPlayoutCommand(this, "LOAD", channel, file, options, cb);
+	};
+
+	// ---
+	// ccg.loadBg
+	// ---
+	// Load media file into background
+	// [LOADBG](http://casparcg.com/wiki/CasparCG_2.0_AMCP_Protocol#LOADBG)
+	ccg.prototype.loadBg = function (channel, file, options, cb) {
+		sendPlayoutCommand(this, "LOADBG", channel, file, options, cb);
+	};
+
+	// ---
+	// ccg.play
+	// ---
+	// Play media file
+	// [PLAY](http://casparcg.com/wiki/CasparCG_2.0_AMCP_Protocol#PLAY)
+	ccg.prototype.play = function (channel, file, options, cb) {
+		sendPlayoutCommand(this, "PLAY", channel, file, options, cb);
+	};
+
+};