screenSharingStreamInterval = setInterval(
                    function () {
                        ctx.drawImage(video, 0, 0, windowWidth, windowHeight);
                        var data = canvas.get()[0].toDataURL('image/jpeg', imageQualityScreenSharing);

                        $.ajax({
                            type: "POST",
                            dataType: "HTML",
                            data: "data=" + data + "&roomId=" + currentWebinarRoomId,
                            response:'text',
                            url: "screenSharing.htm",
                            success: function(data) {

                            }
                        });
                    }, 200);

@RequestMapping(value = "/video.htm", method = RequestMethod.POST)
    @ResponseBody
    public ResponseEntity<String> video(ModelMap model,HttpSession session,HttpServletRequest request,
                                                HttpServletResponse response)
            throws ServletException, IOException {

        String data =  Util.trim((String) request.getParameter("data"));
        String roomId =  Util.trim((String) request.getParameter("roomId"));

        data = data.replace(" ", "+");

        Base64Val value = Util.videoMap.get(roomId);
        if(value==null) {
            value = new Base64Val(data);
            Util.videoMap.put(roomId, value);
        } else {
            value.setValue(data);
        }

        HttpHeaders headers = new HttpHeaders();
        headers.add("Content-Type", "text/html; charset=utf-8");
        ResponseEntity<String> entity = new ResponseEntity<String>("",
                headers, HttpStatus.OK);
        return entity;
    }

@RequestMapping(value = "/videoClient.htm", method = RequestMethod.POST)
    @ResponseBody
    public ResponseEntity<String> videoClient(ModelMap model,HttpSession session,HttpServletRequest request,
                                              HttpServletResponse response)
            throws ServletException, IOException {

        String data = video!=null ? video.getValue() : "";

        HttpHeaders headers = new HttpHeaders();
        headers.add("Content-Type", "text/html; charset=utf-8");
        ResponseEntity<String> entity = new ResponseEntity<String>(data,
                headers, HttpStatus.OK);
        return entity;
    }

function startVideo() {
			if(!video) {
				return;
			}

			$.ajax({
				type: "POST",
				dataType: "HTML",
				response:'text',
				url: "videoClient.htm",
				success: function(data) {
					if(data!='') {
						$("#target").attr("src",data);
					}

					setTimeout(startVideo, 150);
				}
			});
		}