bellbind/server.js

## server.js
var http = require("http");
var cp = require("child_process");

// live streaming example on linux (for chrome, not for firefox)
// for ubuntu, required libavcodec-extra-53 instead of libavcode53
// for ffmpeg command
// see: http://granular.cs.umu.se/browserphysics/?p=2287

var server = http.createServer(function (req, res) {
    console.log(req.url);
    if (req.url === "/") {
        res.writeHead(200, {
            "content-type": "text/html;charset=utf-8",
        });
        res.end([
            "<!doctype html>",
            "<html><head><meta charset='utf-8'/></head>",
            "<body>",
            "<video src='/video.webm' autoplay='true' controls='true' ",
            "width='600' height='600' />",
            "</body></html>",
        ].join(""));
        return;
    }
    if (req.url === "/video.webm") {
        res.writeHead(200, {
            "content-type": "video/webm",
        });
        var ffmpeg = cp.spawn("ffmpeg", [
            "-re", "-f", "x11grab", "-r", "100",
            "-s", "600x600", "-i", ":0+0,0",
            "-g", "0", "-me_method", "zero", "-flags2", "fast",
            "-vcodec", "libvpx",
            "-preset", "ultrafast",
            "-tune", "zerolatency",
            "-b:v", "1M", "-crf", "40", "-qmin", "5", "-qmax", "5",
            "-f", "webm",
            "-"
        ]);
        res.on("close", function () {ffmpeg.kill();});
        ffmpeg.stderr.pipe(process.stderr);
        ffmpeg.stdout.pipe(res);
        return;
    }
});
server.listen(3000);
	var http = require("http");
	var cp = require("child_process");

	// live streaming example on linux (for chrome, not for firefox)
	// for ubuntu, required libavcodec-extra-53 instead of libavcode53
	// for ffmpeg command
	// see: http://granular.cs.umu.se/browserphysics/?p=2287

	var server = http.createServer(function (req, res) {
	console.log(req.url);
	if (req.url === "/") {
	res.writeHead(200, {
	"content-type": "text/html;charset=utf-8",
	});
	res.end([
	"<!doctype html>",
	"<html><head><meta charset='utf-8'/></head>",
	"<body>",
	"<video src='/video.webm' autoplay='true' controls='true' ",
	"width='600' height='600' />",
	"</body></html>",
	].join(""));
	return;
	}
	if (req.url === "/video.webm") {
	res.writeHead(200, {
	"content-type": "video/webm",
	});
	var ffmpeg = cp.spawn("ffmpeg", [
	"-re", "-f", "x11grab", "-r", "100",
	"-s", "600x600", "-i", ":0+0,0",
	"-g", "0", "-me_method", "zero", "-flags2", "fast",
	"-vcodec", "libvpx",
	"-preset", "ultrafast",
	"-tune", "zerolatency",
	"-b:v", "1M", "-crf", "40", "-qmin", "5", "-qmax", "5",
	"-f", "webm",
	"-"
	]);
	res.on("close", function () {ffmpeg.kill();});
	ffmpeg.stderr.pipe(process.stderr);
	ffmpeg.stdout.pipe(res);
	return;
	}
	});
	server.listen(3000);