title: Create a thumbnail or image of an AVPlayer at current time
body: <p>I have implemented an <code>AVPlayer</code> and i want to take an image or thumbnail when clicking on a toolbar button and open in a new <code>UIViewController</code> with <code>UIImageView</code>. The image should be scaled exactly like the <code>AVPlayer</code>.
  The <code>segue</code> is already working, i just have to implement that i get the image at the current play time.</p>
  
  <p>Thanks!</p>