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

var vide_size = "vga";
var ffmpeg = cp.spawn("ffmpeg", [
            "-f", "video4linux2",
            "-s", "176x144",
            "-r", "15",
            "-input_format","yuyv422",
            "-i", "/dev/video0",
            "-vsync", "drop",
            "-vcodec", "copy",
            "-f", "mpegts",
            "-movflags", "faststart+frag_keyframe",
            "-frag_duration", "50000","pipe:1"
        ],  {detached: false});
        ffmpeg.stderr.pipe(process.stderr);
        ffmpeg.stdout.on('data', function(chunk) {
					fs.appendFile("/tmp/test", chunk, function(err) {
					if(err) {
						console.log(err);
					} else {
					console.log("The file was saved!");
    }
});
			console.log(chunk.length);
            console.log(chunk);
        });