我得到了websockets解決方案,感謝節點Dicer模塊(並且感謝mscdex在this post上)。
因此,這裏是我做過什麼:
1°)碼流我的DeckLink卡在TCP視頻蒙山的GStreamer:
gst-launch -v decklinksrc mode=10 connection=0 ! deinterlace ! videorate ! videoscale ! video/x-raw-yuv, framerate=1/5, width=256, height=144 ! jpegenc quality=20 ! multipartmux boundary="--videoboundary" ! tcpserversink host=<TCP src stream IP address> port=<TCP src stream port>
2°)聽此流與節點,並通過套接字發送的每個圖像.IO:
// ------------------------------------------------
// Constants :
// ------------------------------------------------
var srcHost = "<TCP src stream IP address>";
var srcPort = <TCP src stream port>
var srcBoundary = "--videoboundary";
var destHost = "<dest IP address>";
var destPort = <dest port>;
// ------------------------------------------------
// ------------------------------------------------
// ------------------------------------------------
// ------------------------------------------------
// Includes :
// ------------------------------------------------
var Http = require('http');
var Net = require('net');
var Dicer = require('dicer');
var SocketIO = require('socket.io');
// ------------------------------------------------
// ------------------------------------------------
// ------------------------------------------------
// ------------------------------------------------
// TCP socket :
// ------------------------------------------------
var socket = Net.Socket();
socket.connect(srcPort, srcHost, function() {
// Init socket IO :
var io = SocketIO.listen(Http.createServer().listen(destPort, destHost), { log: false });
// Init Dicer :
var dicer = new Dicer({ boundary: srcBoundary });
dicer.on('part', function(part) {
var frameEncoded = '';
part.setEncoding('base64');
part.on('header', function(header) { });
part.on('data', function(data) { frameEncoded += data; });
part.on('end', function() { io.sockets.emit('image', frameEncoded); });
});
// Handle streams closing :
dicer.on('finish', function() { console.log('Dicer stream finished'); });
socket.on('close', function() { console.log('TCP socket closed'); });
// Pipe :
socket.pipe(dicer);
});
// ------------------------------------------------
// ------------------------------------------------
// ------------------------------------------------
3°)聽客戶端上的網頁套接字:
<html>
<head>
<script src="jquery-1.9.1.js"></script>
<script src="socket.io-client/socket.io.min.js"></script>
<script>
var socket = io.connect('http://<dest IP address>:<dest port>');
socket.on('image', function (data) {
$("#video").attr("src", "data:image/jpeg;base64," + data.toString("base64"));
});
</script>
</head>
<body>
<img id="video" style="display:block; width:400px; height:auto;" src="" />
</body>
</html>
我會更新這個帖子,如果我得到其他解決方案的工作(但我可以去這個)。