title: MPMoviePlayerController breaks/stops after going to fullscreen in iOS6
body: <p>I have a <code>MPMoviewPlayerViewController</code> embedded into an <code>UIView</code> object. When I start the player in the embedded mode everything works fine and as expected. If the user then taps onto the fullscreen toggle (or if I change to fullscreen programmatically using <code>setFullscreen:animated</code>) the player goes fullscreen, the movie plays for another second and after that the screen goes black with only a "<em>Loading...</em>" message.</p>
  
  <p>This behavior only appears using iOS 6 (also iPad 6.0 Simulator), on devices running iOS 5 everything works as intended.</p>
  
  <p>The movie source is a local file from the app bundle.</p>
  
  <p>Upon playing &amp; entering fullscreen the debug output is as follows:</p>
  
  <pre>
  2012-09-26 15:24:48.251 [39895:c07] [MPAVController] Autoplay: Disabling autoplay for pause
  2012-09-26 15:24:48.252 [39895:c07] [MPAVController] Autoplay: Disabling autoplay
  2012-09-26 15:24:48.262 [39895:c07] [MPAVController] Autoplay: Enabling autoplay
  2012-09-26 15:24:48.265 [39895:c07] [MPAVController] Autoplay: Likely to keep up or full buffer: 0
  2012-09-26 15:24:48.266 [39895:c07] [MPAVController] Autoplay: Skipping autoplay, not enough buffered to keep up.
  2012-09-26 15:24:48.267 [39895:c07] [MPAVController] Autoplay: Likely to keep up or full buffer: 0
  2012-09-26 15:24:48.268 [39895:c07] [MPAVController] Autoplay: Skipping autoplay, not enough buffered to keep up.
  2012-09-26 15:24:48.276 [39895:c07] [MPAVController] Autoplay: Skipping autoplay, disabled (for current item: 0, on player: 1)
  2012-09-26 15:24:48.286 [39895:c07] [MPCloudAssetDownloadController] Prioritization requested for media item ID: 0
  2012-09-26 15:24:48.938 [39895:c07] [MPAVController] Autoplay: Enabling autoplay
  2012-09-26 15:24:48.940 [39895:c07] [MPAVController] Autoplay: Enabling autoplay
  2012-09-26 15:24:48.954 [39895:c07] [MPAVController] Autoplay: Skipping autoplay, disabled (for current item: 0, on player: 1)
  2012-09-26 15:24:49.006 [39895:c07] [MPAVController] Autoplay: Enabling autoplay
  2012-09-26 15:24:49.012 [39895:c07] [MPAVController] Autoplay: Skipping autoplay, disabled (for current item: 0, on player: 1)
  </pre>
  
  <p>Has somebody an idea why the player stops working?</p>
  
  <p><strong>Edit:</strong>
  Added an <a href="https://github.com/snod/MPMoviePlayerTest">example project on github</a></p>