Problem s JPGEncoder

import flash.media.Video;
import JPGEncoder;
import BitString;
import flash.net.FileReference;
import flash.events.MouseEvent;
import flash.display.BitmapData;
import flash.utils.ByteArray;

var webCam:Camera = Camera.getCamera();
var vid:Video = new Video(320, 240);
var reference:FileReference = new FileReference();

webCam.setQuality(0, 100);

vid.smoothing = true;
vid.attachCamera(webCam);
vid.x = stage.stageWidth/2 - vid.width/2;
vid.y = 50;

addChild(vid);

cap.addEventListener(MouseEvent.CLICK, capture);

function capture(mouseEveten:MouseEvent)
{
   var bitmap:BitmapData = new BitmapData(vid.width, vid.height);
   bitmap.draw(vid);
   var jpgEncoder:JPGEncoder = new JPGEncoder(100);
   var bytes:ByteArray = new ByteArray();
   bytes = jpgEncoder.encode(bitmap);
   var meno:String = "image.jpg";
   
   reference.save(bytes, meno);
}

import com.adobe.images.JPGEncoder;