Access Yuutube Url MPMoviePlayerController without video file name

i m access Youtube url -: http://www.youtube.com/v/9Na-LXU5m3g?f=videos&app=youtube_gdata but MpMoviePlayerController dont show the video .

movieURL=[NSURL URLWithString:@"http开发者_高级运维://www.youtube.com/v/9Na-LXU5m3g?f=videos&app=youtube_gdata"]; 
mpMoviePlayerController=[[MPMoviePlayerController alloc]  initWithContentURL:movieURL]; 

[[NSNotificationCenter defaultCenter]
     addObserver: self
     selector: @selector(myMovieFinishedCallback:)
     name: MPMoviePlayerPlaybackDidFinishNotification
     object: mpMoviePlayerController];

    [mpMoviePlayerController play];

Thanks in Advance.

For you tube videos,display the url in webview.It will automatically play the video in the movie player on tapping the video in the webview.

All the best.