initial commit

.gitignore

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+node_modules

js/play/index.js

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+var player = require("./player.js");
+
+exports.init = function(app) {
+	player.init(app);
+}
+
+exports.playFile = function(path, cb) {
+	player.play(path, cb);
+}
+
+exports.isPlaying = player.isPlaying;

js/play/player.js

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+var spawn = require("child_process").spawn;
+var fs = require("fs");
+var net = require("net");
+var Queue = require("../queue");
+
+var child = null;
+
+var ipcServer = process.cwd()+"/mpv-ipc-socket";
+
+function cmd(params, cb) {
+	if (child == null || child.sock == null)
+		return;
+
+	child.sock.write(JSON.stringify({
+		command: params
+	})+"\n");
+
+	child.msgqueue.dequeue(obj => {
+		if (cb)
+			cb(obj);
+	});
+}
+
+function getState(cb) {
+	if (child == null) {
+		cb({
+			playing: false,
+			paused: false,
+			muted: false,
+			duration: 0,
+			time_pos: 0,
+			volume: 0,
+			volume_max: 0
+		});
+		return;
+	}
+
+	var state = {
+		playing: true
+	};
+
+	var cbs = 6;
+	function next() {
+		cbs -= 1;
+		if (cbs === 0)
+			cb(state);
+	}
+
+	cmd(["get_property", "pause"], res => {
+		state.paused = res.data;
+		next();
+	});
+
+	cmd(["get_property", "mute"], res => {
+		state.muted = res.data;
+		next();
+	});
+
+	cmd(["get_property", "duration"], res => {
+		state.duration = res.data;
+		next();
+	});
+
+	cmd(["get_property", "time-pos"], res => {
+		state.time_pos = res.data;
+		next();
+	});
+
+	cmd(["get_property", "volume"], res => {
+		state.volume = res.data;
+		next();
+	});
+
+	cmd(["get_property", "volume-max"], res => {
+		state.volume_max = res.data;
+		next();
+	});
+}
+
+exports.isPlaying = function() {
+	return child != null;
+}
+
+exports.play = function(path, cb) {
+	exports.stop();
+
+	var lchild = spawn("mpv", [
+		path,
+		"--input-ipc-server", ipcServer
+	], { stdio: "inherit" });
+	child = lchild;
+
+	lchild.running = true;
+
+	lchild.once("close", () => {
+		if (lchild.running) exports.stop();
+	});
+	lchild.on("error", err => console.error(err.toString()));
+
+	lchild.state = {};
+	lchild.msgqueue = Queue();
+
+	console.log("lchild is "+lchild);
+	lchild.initTimeout = setTimeout(() => {
+		console.log("lchild still is "+lchild);
+		// Create socket
+		lchild.sock = net.connect(ipcServer, () => {
+
+			// Add output from mpv to the queue
+			lchild.sock.on("data", d => {
+				d.toString().split("\n").forEach(str => {
+					if (str == "") return;
+					var obj = JSON.parse(str);
+					if (obj.event) return;
+					lchild.msgqueue.push(obj);
+				});
+			});
+
+			lchild.sock.on("error", err => console.trace(err));
+
+			// Set fullscreen
+			cmd(["set_property", "fullscreen", "yes"]);
+
+			cb();
+		});
+	}, 1000);
+}
+
+exports.stop = function() {
+	if (child) {
+		child.running = false;
+		child.kill("SIGKILL");
+		clearTimeout(child.initTimeout);
+		child = null;
+	}
+	try {
+		fs.unlinkSync(ipcServer);
+	} catch (err) {}
+}
+
+exports.init = function(app) {
+	function evt(p, cb) {
+		app.post("/playback/"+p, (req, res) => cb(req, res));
+	}
+
+	evt("exit", (req, res) => { res.end(); exports.stop() });
+
+	evt("state", (req, res) => {
+		getState((state) => {
+			res.json(state);
+		});
+	});
+
+	evt("set/:key/:val", (req, res) => {
+		cmd(["set_property", req.params.key, req.params.val]);
+		res.end();
+	});
+}

js/queue.js

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+module.exports = function() {
+	var self = {};
+
+	var cbs = [];
+	var arr = [];
+
+	self.push = function(val) {
+		if (cbs.length > 0) {
+			cbs.shift()(val);
+		} else {
+			arr.push(val);
+		}
+	}
+
+	self.dequeue = function(cb) {
+		if (arr.length > 0) {
+			cb(arr.shift());
+		} else {
+			cbs.push(cb);
+		}
+	}
+
+	return self;
+}

package.json

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+{
+  "name": "mmpc3",
+  "version": "1.0.0",
+  "description": "",
+  "main": "server.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "start": "node server.js"
+  },
+  "author": "Martin Dørum Nygaard <martid0311@gmail.com> (http://mort.coffee)",
+  "license": "ISC",
+  "dependencies": {
+    "webstuff": "^1.3.0"
+  }
+}

server.js

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+var web = require("webstuff");
+var play = require("./js/play");
+
+var app = web();
+play.init(app);
+
+app.express.use((req, res, next) => {
+	if (req.url === "/" && play.isPlaying())
+		res.redirect("/playback");
+	else
+		next();
+});
+
+app.static("web");
+
+app.post("/plaything", (req, res) => {
+	play.playFile("/home/martin/Documents/Assassination Classroom - E01.mkv", () => {
+		res.redirect("/playback");
+	});
+});
+

web/index.html

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+<!DOCTYPE html>
+<html>
+	<head>
+		<meta charset="utf-8">
+		<meta name="viewport" content="width=device-width, initial-scale=1">
+		<title>Mort's Media PC</title>
+	</head>
+	<body>
+		<form method="post" action="/plaything">
+			<button>Hello There!</button>
+		</form>
+		<script src="/webstuff.js"></script>
+	</body>
+</html>

web/playback/index.html

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+<!DOCTYPE html>
+<html>
+	<head>
+		<meta charset="utf-8">
+		<meta name="viewport" content="width=device-width, initial-scale=1">
+		<title>Playback</title>
+		<link rel="stylesheet" href="style.css">
+	</head>
+	<body>
+		<div id="group-info">
+			<div id="is-playing">Not Playing</div>
+			<div id="progress-text"></div>
+		</div>
+
+		<div id="group-bar">
+			<progress id="progress"></progress>
+		</div>
+
+		<div id="group-buttons">
+			<button id="mute">Mute</button>
+			<button id="skip-back">&lt;</button>
+			<button id="pause">||</button>
+			<button id="skip-forward">&gt;</button>
+			<button id="exit">Exit</button>
+		</div>
+
+		<div id="group-volume">
+			Volume <span id="volume-text"></span><br>
+			<input id="volume" type="range">
+		</div>
+
+		<script src="/webstuff.js"></script>
+		<script src="script.js"></script>
+	</body>
+</html>

web/playback/script.js

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+function timeformat(sec) {
+	var d = new Date(null);
+	d.setSeconds(Math.floor(sec))
+	return d.toISOString().substr(11, 8);
+}
+
+var elems = {
+	is_playing: $$("#is-playing"),
+	progress_text: $$("#progress-text"),
+	progress: $$("#progress"),
+
+	pause: $$("#pause"),
+	skip_back: $$("#skip-back"),
+	skip_forward: $$("#skip-forward"),
+
+	mute: $$("#mute"),
+	exit: $$("#exit"),
+
+	volume: $$("#volume"),
+	volume_text: $$("#volume-text"),
+};
+
+var state = {};
+
+/*
+ * Update GUI stuff
+ */
+
+function update(state) {
+
+	// Playing
+	if (state.playing)
+		elems.is_playing.innerHTML = "Playing";
+	else
+		location.href = "/";
+
+	// Progress text
+	elems.progress_text.innerHTML =
+		timeformat(state.time_pos)+"/"+
+		timeformat(state.duration);
+
+	// Progress bar
+	elems.progress.value = state.time_pos;
+	elems.progress.max = state.duration;
+
+	// Buttons
+	elems.pause.className = state.paused ? "active" : "";
+	elems.mute.className = state.muted ? "active" : "";
+
+	// Volume
+	elems.volume.min = 0;
+	elems.volume.max = state.volume_max;
+	elems.volume.value = state.volume;
+	elems.volume.step = 5;
+	elems.volume_text.innerHTML = state.volume+"%";
+}
+
+function checkState() {
+	post("/playback/state", null, function(err, res) {
+		if (err)
+			return;
+
+		state = JSON.parse(res);
+		update(state);
+	});
+}
+
+checkState();
+setInterval(checkState, 500);
+
+/*
+ * React to input
+ */
+
+function playerset(key, val) {
+	post("/playback/set/"+key+"/"+val, null, function() {
+		checkState();
+	});
+}
+
+// Set time
+elems.progress.addEventListener("click", function(evt) {
+	var pos = (evt.clientX - evt.target.offsetLeft) / evt.target.clientWidth;
+	pos *= evt.target.max;
+	playerset("time-pos", pos);
+});
+
+// Toggle pause
+elems.pause.addEventListener("click", function() {
+	if (state.paused)
+		playerset("pause", "no");
+	else
+		playerset("pause", "yes");
+});
+
+// Back 15 seconds
+elems.skip_back.addEventListener("click", function() {
+	playerset("time-pos", state.time_pos - 15);
+});
+
+// Forwards 15 seconds
+elems.skip_forward.addEventListener("click", function() {
+	playerset("time-pos", state.time_pos + 15);
+});
+
+// Toggle mute
+elems.mute.addEventListener("click", function(evt) {
+	if (state.muted)
+		playerset("mute", "no");
+	else
+		playerset("mute", "yes");
+});
+
+// Exit
+elems.exit.addEventListener("click", function(evt) {
+	post("/playback/exit", null, function() {});
+});
+
+// Set volume
+elems.volume.addEventListener("change", function(evt) {
+	playerset("volume", evt.target.value);
+});

web/playback/style.css

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+* {
+	box-sizing: border-box;
+}
+
+body {
+	margin: 12px;
+}
+
+body > div {
+	margin-bottom: 12px;
+}
+
+button {
+	display: inline-block;
+	padding: 0px;
+	border: 1px solid #666;
+	width: 50px;
+	height: 32px;
+	background: #ddd;
+	margin-left: 2px;
+	margin-right: 2px;
+}
+
+button:active,
+button.active {
+	background: #aaa;
+}
+
+progress {
+	width: 100%;
+	height: 24px;
+}
+
+input[type="range"] {
+	border: 1px solid rgba(0, 0, 0, 0);
+	box-sizing: border-box;
+	margin: 0px;
+	width: 100%;
+}
+
+#is-playing,
+#progress-text {
+	display: inline-block;
+}
+#progress-text {
+	float: right;
+}
+
+#group-buttons {
+	text-align: center;
+}