title: UIImage to movie using metal
body: <p>I know how to export UIImage array as a movie using swift. But it takes a lot of time. I am following this thread <a href="https://stackoverflow.com/questions/3741323/how-do-i-export-uiimage-array-as-a-movie">How do I export UIImage array as a movie?</a></p>
  <p>Is there any way to reduce export time? I am trying to export UIImage array as movie using metal to check if it can reduce export time. But I am not getting any resource to do that. Any kind of help is appreciated.</p>