title: MPMoviePlayerViewController playing only audio no video on simulator?
body: <p>i am using the following code to play a video from a <strong>url</strong> but when the video loads only audio is played and no video is shown on simulator..right now i cant test it on iphone 4.0 device...is there a problem with the simulator or is <strong>MPMoviePlayerViewController</strong>  is not the right way??</p>
  
  <pre><code>NSString *videoFilepath = @"http://www.migital.com/Hemant/1.3gp";
  NSURL *videoURL = [NSURL URLWithString:videoFilepath ];
  
  MPMoviePlayerViewController *movie = [[MPMoviePlayerViewController alloc] initWithContentURL:videoURL];
  
  
  [[NSNotificationCenter defaultCenter] addObserver:self
                                           selector:@selector(playbackFinishedCallback:)
                                               name:MPMoviePlayerPlaybackDidFinishNotification
                                             object:movie];
  
  [self presentMoviePlayerViewControllerAnimated:movie];
  </code></pre>