Java - mostrar frames a velocidad de un video

public void leer() {

	FFmpegFrameGrabber grabber = new FFmpegFrameGrabber(videoseleccionado);

	try {

		OpenCVFrameConverter.ToIplImage converterToIplImage = new OpenCVFrameConverter.ToIplImage();

		Java2DFrameConverter converterToBI = new Java2DFrameConverter();

		grabber.start();

		int  frame_count= grabber.getLengthInFrames();

//            label =new JLabel[frame_count];

		String fps = Double.toString(grabber.getFrameRate());

		Nframe.setText(fps);

		for(int i=1120; i<1184; i++){

			grabber.setFrameNumber(i);

			org.bytedeco.javacv.Frame frame = grabber.grabImage();

			if(frame == null) break;

			if(frame.image == null) continue;

			IplImage image = converterToIplImage.convert(frame);

			BufferedImage bi = IplImageToBufferedImage(image);

			ImageIcon icon=new ImageIcon(bi);

			icono = new ImageIcon(icon.getImage().getScaledInstance(jPanel1.getWidth(), jPanel1.getHeight(), Image.SCALE_DEFAULT));

			label=new JLabel(icono);

			label.setIcon(icono);

			//JLabel label = new JLabel(icono);

			jPanel1.add(label);

			jPanel1.setVisible(true);

			jPanel1.revalidate();

			String img_path = "D://" + "frame-" + String.valueOf(i) +".jpg";

			cvSaveImage(img_path, image);

		}

	} catch (Exception e) {

		e.printStackTrace();

	}

}

		public static BufferedImage IplImageToBufferedImage(IplImage src) {

	OpenCVFrameConverter.ToIplImage grabberConverter = new OpenCVFrameConverter.ToIplImage();

	Java2DFrameConverter paintConverter = new Java2DFrameConverter();

	org.bytedeco.javacv.Frame frame = grabberConverter.convert(src);

	return paintConverter.getBufferedImage(frame,1);

}