httpvideoserver.js

var fs=require("fs"),
http = require("http"),
url = require("url"),
path = require("path");

http.createServer(function (req, res) {
  if (req.url != "/movie.mp4") {
	      res.writeHead(200, { "Content-Type": "text/html" });
		  res.end('<video src="http://localhost:'+process.argv[2]+'/movie.mp4" controls></video>');
		    } else {
			var file = path.resolve(__dirname,"movie.mp4");
			var range = req.headers.range;
			var positions = range.replace(/bytes=/, "").split("-");
			var start = parseInt(positions[0], 10);

			fs.stat(file, function(err, stats) {
				var total = stats.size;
				var end = positions[1] ? parseInt(positions[1], 10) : total - 1;
				var chunksize = (end - start) + 1;

				res.writeHead(206, {
					"Content-Range": "bytes " + start + "-" + end + "/" + total,
					"Accept-Ranges": "bytes",
					"Content-Length": chunksize,
					"Content-Type": "video/mp4"
				});

				var stream = fs.createReadStream(file, { start: start, end: end })
				.on("open", function() {
					  stream.pipe(res);
					  }).on("error", function(err) {
						  res.end(err);
						  });
			    });
			  }//end else
}).listen(process.argv[2]);