title: MPMoviePlayerController Getting Thumbnail from Streaming Video?
body: <p>I'm trying to get a Video Thumbnail from Streaming Video when touched to a Button. I've used both;</p>
  
  <pre><code>- (UIImage *)thumbnailImageAtTime:(NSTimeInterval)playbackTime timeOption:(MPMovieTimeOption)option
  - (void)requestThumbnailImagesAtTimes:(NSArray *)playbackTimes timeOption:(MPMovieTimeOption)option
  </code></pre>
  
  <p>But everytime, returned image is null, or getting error below;</p>
  
  <blockquote>
    <p>Error Domain=AVFoundationErrorDomain Code=-11838 "Operation Stopped" UserInfo=0x7ac5560 {NSLocalizedFailureReason=The operation is not supported for this media., NSUnderlyingError=0x7a82ea0 "The operation couldn’t be completed. (OSStatus error -12435.)", NSLocalizedDescription=Operation Stopped}</p>
  </blockquote>
  
  <p>is there any luck to get thumbnail from streaming video?
  Thanks.</p>