Ana Sayfa Keşfet Yardım
Üye Ol Giriş Yap
kerryzhang
/
jsmpeg
İzle 1
Yıldızla 0
Çatalla 0
Kod Sorunlar 0 Değişiklik İstekleri 0 Sürümler 0 Wiki Activity
Kaynağa Gözat

Added streaming example

Dominic Szablewski 12 yıl önce
ebeveyn
a771daeb7a
işleme
0d7cb3bd37
2 değiştirilmiş dosya ile 107 ekleme ve 0 silme
Görünümü Böl Farklılık Durumunu Göster
  1. 36 0
      stream-example.html
  2. 71 0
      stream-server.js

+ 36 - 0
stream-example.html Dosyayı Görüntüle 

@@ -0,0 +1,36 @@
1 
+<!DOCTYPE html>
2 
+<html>
3 
+<head>
4 
+	<meta name="viewport" content="width=320, initial-scale=1"/>
5 
+	<title>jsmpeg streaming</title>
6 
+	<style type="text/css">
7 
+		body {
8 
+			background: #333;
9 
+			text-align: center;
10 
+			margin-top: 10%;
11 
+		}
12 
+	</style>
13 
+</head>
14 
+<body>
15 
+	<canvas id="videoCanvas" width="640" height="480">
16 
+		<p>
17 
+			Please use a browser that supports the Canvas Element, like
18 
+			<a href="http://www.google.com/chrome">Chrome</a>,
19 
+			<a href="http://www.mozilla.com/firefox/">Firefox</a>,
20 
+			<a href="http://www.apple.com/safari/">Safari</a> or Internet Explorer 10
21 
+		</p>
22 
+	</canvas>
23 
+	<script type="text/javascript" src="jsmpg.js"></script>
24 
+	<script type="text/javascript">
25 
+		// Show loading notice
26 
+		var canvas = document.getElementById('videoCanvas');
27 
+		var ctx = canvas.getContext('2d');
28 
+		ctx.fillStyle = '#444';
29 
+		ctx.fillText('Loading...', canvas.width/2-30, canvas.height/3);
30 
+
31 
+		// Setup the WebSocket connection and start the player
32 
+		var client = new WebSocket( 'ws://example.com:8084/' );
33 
+		var player = new jsmpeg(client, {canvas:canvas});
34 
+	</script>
35 
+</body>
36 
+</html>

+ 71 - 0
stream-server.js Dosyayı Görüntüle 

@@ -0,0 +1,71 @@
1 
+
2 
+var STREAM_PORT = 8082,
3 
+	STREAM_SECRET = 's3cret', // CHANGE THIS!
4 
+	WEBSOCKET_PORT = 8084,
5 
+	STREAM_MAGIC_BYTES = 'jsmp'; // Must be 4 bytes
6 
+
7 
+var clients = {};
8 
+var width = 320,
9 
+	height = 240;
10 
+
11 
+// Websocket Server
12 
+var socketServer = new (require('ws').Server)({port: WEBSOCKET_PORT});
13 
+var _uniqueClientId = 1;
14 
+
15 
+var socketError = function() { /* ignore */ };
16 
+socketServer.on('connection', function(socket) {
17 
+	// Send magic bytes and video size to the newly connected socket
18 
+	// struct { char magic[4]; unsigned short width, height;}
19 
+	var streamHeader = new Buffer(8);
20 
+	streamHeader.write(STREAM_MAGIC_BYTES);
21 
+	streamHeader.writeUInt16BE(width, 4);
22 
+	streamHeader.writeUInt16BE(height, 6);
23 
+	socket.send(streamHeader, {binary:true}, socketError);
24 
+
25 
+	// Remember client in 'clients' object
26 
+	var clientId = _uniqueClientId++;
27 
+	clients[clientId] = socket;
28 
+	console.log(
29 
+		'WebSocket Connect: client #' + clientId +
30 
+		' ('+Object.keys(clients).length+' total)'
31 
+	);
32 
+
33 
+	// Delete on close
34 
+	socket.on('close', function(code, message){
35 
+		delete clients[clientId];
36 
+		console.log(
37 
+			'WebSocket Disconnect: client #' + clientId +
38 
+			' ('+Object.keys(clients).length+' total)'
39 
+		);
40 
+	});
41 
+});
42 
+
43 
+
44 
+// HTTP Server to accept incomming MPEG Stream
45 
+var streamServer = require('http').createServer( function(request, response) {
46 
+	var params = request.url.substr(1).split('/');
47 
+	width = (params[1] || 320)|0;
48 
+	height = (params[2] || 240)|0;
49 
+
50 
+	if( params[0] == STREAM_SECRET ) {
51 
+		console.log(
52 
+			'Stream Connected: ' + request.socket.remoteAddress +
53 
+			':' + request.socket.remotePort + ' size: ' + width + 'x' + height
54 
+		);
55 
+		request.on('data', function(data){
56 
+			for( c in clients ) {
57 
+				clients[c].send(data, {binary:true}, socketError);
58 
+			}
59 
+		});
60 
+	}
61 
+	else {
62 
+		console.log(
63 
+			'Failed Stream Connection: '+ request.socket.remoteAddress +
64 
+			request.socket.remotePort + ' - wrong secret.'
65 
+		);
66 
+		response.end();
67 
+	}
68 
+}).listen(STREAM_PORT);
69 
+
70 
+console.log('Listening for MPEG Stream on http://127.0.0.1:'+STREAM_PORT+'/<secret>/<width>/<height>');
71 
+console.log('Awaiting WebSocket connections on ws://127.0.0.1:'+WEBSOCKET_PORT+'/');