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server.js
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server.js
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// initialize dependencies
var express = require('express');
var bodyParser = require('body-parser');
var http = require("http");
var socket = require("socket.io");
var spawn = require('child_process').spawn;
var app = express();
var portNumber = process.env.PORT || 9000;
app.set("port", portNumber);
// url routing
app.get('/stream', function (req, res) {
res.sendFile(__dirname + '/stream.html');
});
// start server
var server = http.createServer(app).listen(app.get('port'), function(req, res){
console.log("Express server listening on port " + app.get('port'));
});
// bind socket to server
var io = socket.listen(server);
//var io = socket.listen(server, {transports:['websocket']});
io.on('connection', function (socket) {
console.log('Socket connected: '+socket);
io.sockets.emit('msgFromAdmin', 'Hello client, this message sent from admin');
// call our main handler
streamer(socket);
});
/*
initializes ffmpeg child process which will listen on udp port:33333 for incoming frames of stream
forward video stream to client.html through socket.io
*/
var streamer = function (socket) {
var ffmpeg = require('child_process').spawn("/vagrant/nodejs-ffmpeg-livestreamer/ffmpeg-source/ffmpeg", ["-re","-y","-i", "udp://127.0.0.1:33333", "-f", "mjpeg", "-s","500x500","-pix_fmt","rgb24","pipe:1"]);
ffmpeg.on('error', function (err) {
console.log(err);
});
ffmpeg.on('close', function (code) {
console.log('ffmpeg exited with code ' + code);
});
ffmpeg.stderr.on('data', function (data) {
console.log('stderr: ' + data);
});
ffmpeg.stdout.on('data', function (data) {
var frame = new Buffer(data).toString('base64');
socket.emit('render',frame);
});
};
/*
Developed By Ali Khan
*/