Autismify/backend/livestream.js

var child_process 	= require("child_process");
var http			= require('http');
var url				= require('url');

var liveStream = function (req, resp) {                                            // handle each client request by instantiating a new FFMPEG instance
    resp.writeHead(200, {
          "Connection": "keep-alive"
        , "Content-Type": "audio/ogg"
        , "Accept-Ranges": "bytes"                 // Helps Chrome
    });

	var song = "/storage/samba/Music/Chvrches - Every Open Eye/02 Leave A Trace.mp3";

	var query = url.parse(req.url, true).query;
	if ("song" in query)
		song=query.song;

    transcoder = child_process.spawn("/usr/bin/ffmpeg", [ "-i",song,	"-c:a", "libvorbis", "-vn", "-b:a", "192k", "-f", "ogg", "-y", "-" ],  {detached: false});
    transcoder.stdout.pipe(resp);

    transcoder.stdout.on("data",function(data) { });

    transcoder.stderr.on("data", function (data) {
        console.log(" -> " + data);
    });

    transcoder.on("exit", function (code) {
        console.log( " live FFMPEG terminated with code " + code);
    });

    transcoder.on("error", function (e) {
        console.log(" live FFMPEG system error: " + e);
    });

    req.on("close", function () {
        shutStream("closed")
    })
    
    req.on("end", function () {
        shutStream("ended")
    });

    function shutStream(event) {
        console.log("Live streaming connection to client has " + event)
        if (typeof transcoder !== "undefined") {
            transcoder.kill();
        }
    }
    return true
}

http.createServer(liveStream).listen(1337, "0.0.0.0");
console.log("runnen");