I need to pass http headers (user agent and ip) to an ffmpeg command.

I use the following command:

ffmpeg  -y -timeout 5000000 -map 0:0 -an -sn -f md5 - -headers "User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36" -headers "X-Forwarded-For: 13.14.15.66"  -i "" 

And I run a local node.js server to see the headers I get:

'use strict';

var express = require('express');

var server = express();

server.all('/*', function(req, res) {
  console.log(JSON.stringify(req.headers));
  res.sendFile('SampleVideo_1080x720_1mb.mp4', {root: '.'});

});


server.listen(80);

I keep getting an error saying "No trailing CRLF found in HTTP header." and the request is stuck.

If I drop the headers - everything works normally.

I also tried putting both headers in one string, but any line breaking character I used (\r\n, \r\n, etc.) didn't work.

Can someone help me figure out how to write this command correctly with the headers included?