Adding basic control and position tracking of played file.

the VLC_RC.playing property is not very accurate right now and possibly switches to false, even if the video isn't finished.

.gitignore

@@ -4,6 +4,7 @@ logs
 npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
+.vscode/
 
 # Runtime data
 pids

index.js

@@ -1,32 +1,159 @@
 //Get Child Process
 var spawn = require('child_process').spawn; 
-var VLC_RC = function(options) {
-	this.options = options || {};
-	if(!this.options.hasOwnProperty('verbose')) {
-		this.options.verbose=false;
+
+class VLC_RC {
+	constructor(options) {
+		this.options = options || {};
+		this.outData = "";
+		this.commandAnswer = [];
+		this.activeCommand = {callback:undefined};
+		this.commandQueue = []; //{command, callback}
+		this.startTime = undefined;
+		this.passedTime = undefined;
+		this.playing = false;
+
+		/*if(!this.options.hasOwnProperty('verbose')) {
+	   	this.options.verbose=false;
+	   }
+	   if(!this.options.hasOwnProperty('debug')) {
+	   	this.options.debug=false;
+	   }*/
+
+		var args = [
+			"-I rc", //Remote Control Interface
+			"--play-and-pause", //Pause at end of Movie
+			//"--fullscreen" //Start in Fullscreen
+		];
+
+		this.vlc_process = spawn('cvlc', args);
+		if(options.verbose) {
+			console.log("\x1b[37m\x1b[1m","VLC Process created","\x1b[21m");
+			console.log("Options:");
+			console.log("\x1b[44m\x1b[37m",this.options,"\x1b[0m");
+		}
+		if(options.debug) {
+			this.debug = true;
+			if(options.manual) {
+				process.stdin.on("data", (data)=>{
+					this.vlc_process.stdin.write(data);
+				});
+			}
+		} else {
+			this.debug = false;
+		}
+
+		this.vlc_process.stdout.on("data", this.onStdOut.bind(this));
 	}
-	if(!this.options.hasOwnProperty('debug')) {
-		this.options.debug=false;
+
+	onStdOut(data) {
+		if(this.debug) process.stdout.write(data);
+		this.outData += data;
+		var line = "";
+		for(let i = 0; i < this.outData.length; i++){
+			if(this.outData[i] == "\n") { //New Line
+				if(line.length <= 0) continue;
+				this.commandAnswer.push(line);
+				line = "";
+			} else {
+				line += this.outData[i];
+			}
+		}
+		if(line[0] == ">") { //Neuer Befehr erwartet
+			if(this.activeCommand){
+				if(this.activeCommand.callback) this.activeCommand.callback(this.commandAnswer.slice(0));
+				this.activeCommand = undefined;
+			}
+			this.commandAnswer = [];
+			line = "";
+			this.nextCommand();
+		}
+		this.outData = line;
 	}
-	var args = [
-		"-I rc", //Remote Control Interface
-		"--play-and-pause", //Pause at end of Movie
-		"--fullscreen" //Start in Fullscreen
-	];
-	this.vlc_process = spawn('vlc', args);
-	if(options.verbose) {
-		console.log("\x1b[37m\x1b[1m","VLC Process created","\x1b[21m");
-		console.log("Options:");
-		console.log("\x1b[44m\x1b[37m",this.options,"\x1b[0m");
+
+	nextCommand(){
+		if(this.activeCommand != undefined) return;
+		if(this.commandQueue.length < 1) return;
+		var c = this.commandQueue[0];
+		this.activeCommand = c;
+		this.vlc_process.stdin.write(c.command + "\n");
+		if(this.debug) process.stdout.write(c.command + "\n");
+		this.commandQueue.splice(0, 1);
 	}
-	if(options.debug) {
-		this.vlc_process.stdout.pipe(process.stdout);
-		this.vlc_process.stderr.pipe(process.stderr);
+
+	runCommand(command, callback){
+		this.commandQueue.push({command:command, callback:callback});
+		this.nextCommand();
+	}
+
+	test() {
+		console.log(this);
+	}
+
+	loadFile(path, callback) {
+		//ToDo remove all other files
+		this.runCommand("playlist", (data)=>{
+			data.forEach(function(element) {
+				var d = element.replace(/\D/g,'');
+				if(d.length < 1) return;
+				this.runCommand("delete " + d[0]);
+			}, this);
+			this.runCommand("enqueue " + path, callback);
+		});
+	}
+
+	play(callback) {
+		this.runCommand("play", ()=>{
+			this.playing = true;
+			if(this.passedTime) {
+				this.startTime = new Date().getTime() - this.passedTime();
+			} else {
+				this.startTime = new Date().getTime();
+			}
+		});
+	}
+
+	getTime(callback) {
+		this.getOrigTime((data)=>{
+			if(!this.startTime) return data;
+			var dif =  new Date().getTime() - this.startTime;
+			var difr = Math.floor(dif/1000);
+			if(difr != data){
+				this.startTime = new Date().getTime() - data*1000;
+				return callback(data);
+			}
+			return callback(dif);
+		});
+	} 
+
+	getOrigTime(callback) {
+		this.runCommand("get_time", (data)=>{
+			callback(Number(data));
+		});
+	}
+
+	pause(callback) {
+		this.runCommand("pause", ()=>{
+			this.passedTime = new Date().getTime() - this.startTime;
+			this.startTime = undefined;
+			callback();
+		});
+	}
+
+	stop(callback) {
+		this.runCommand("stop", callback);
+		this.startTime = undefined;
+		this.passedTime = undefined;
+	}
+
+	getState(callback){
+		this.getOrigTime((time)=>{
+			this.runCommand("get_length", (data)=>{
+				if(time >= Number(data[0])) this.playing = false;
+				else this.playing = true;
+				callback(this.playing);
+			});
+		});
 	}
 }
-VLC_RC.prototype.hello = function() {
-	//console.log(this.options);
-}
+
 module.exports.VLC_RC = VLC_RC;
-
-

package-lock.json

@@ -0,0 +1,12 @@
+{
+  "name": "vlc_rc",
+  "version": "0.0.1",
+  "lockfileVersion": 1,
+  "dependencies": {
+    "another-telnet-client": {
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/another-telnet-client/-/another-telnet-client-0.1.3.tgz",
+      "integrity": "sha1-3me4Ehr7R39e0OAlkByyIqoONS0="
+    }
+  }
+}

package.json

@@ -4,7 +4,8 @@
   "description": "NodeJS Binding for the VLC Media Player remote control",
   "main": "index.js",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "node test.js",
+    "start": "node index.js"
   },
   "repository": {
     "type": "git",
@@ -23,5 +24,8 @@
   "bugs": {
     "url": "https://github.com/margau/node_vlc_rc/issues"
   },
-  "homepage": "https://github.com/margau/node_vlc_rc#readme"
+  "homepage": "https://github.com/margau/node_vlc_rc#readme",
+  "dependencies": {
+    "another-telnet-client": "^0.1.3"
+  }
 }

test.js

@@ -0,0 +1,6 @@
+var i = require("./index.js");
+var vlc = new i.VLC_RC({verbose:false, debug:true, manual:true});
+vlc.loadFile("/home/fabian/Downloads/testv.mp4");
+vlc.loadFile("/home/fabian/Downloads/t2.mp4");
+//vlc.pause();
+//vlc.play();