[IOS] MPMoviePlayer PlaybackState

[MPMoviePlayerController alloc] 로 변수 선언

ex)
//------ 플레이어 생성할 함수 --------
MPMoviePlayerController *player =  [[MPMoviePlayerController alloc] initWithContentURL:url];
...
...
...

[[NSNotificationCenter defaultCenter] addObserver:self
                                 selector:@selector(moviePlayerPlaybackStateDidChange:)
                                 name:MPMoviePlayerPlaybackStateDidChangeNotification
                                  object:nil];
//------------------------------------

//---------- 호출될 함수 ------------
-(void) moviePlayerPlaybackStateDidChange:(NSNotification*)notification {
        NSLog(@"moviePlayerPlaybackStateDidChange");
        MPMoviePlayerController *moviePlayer = notification.object;
        MPMoviePlaybackState playbackState = moviePlayer.playbackState;
        switch (playbackState) {
                case MPMoviePlaybackStateStopped:
                        NSLog(@"MPMoviePlaybackStateStopped");
                        break;
                case MPMoviePlaybackStatePlaying:
                        NSLog(@"MPMoviePlaybackStatePlaying");
                        break;
                case MPMoviePlaybackStatePaused:
                        NSLog(@"MPMoviePlaybackStatePaused");
                        break;
                case MPMoviePlaybackStateInterrupted:
                        NSLog(@"MPMoviePlaybackStateInterrupted");
                        break;
                case MPMoviePlaybackStateSeekingForward:
                        NSLog(@"MPMoviePlaybackStateSeekingForward");
                        break;
                case MPMoviePlaybackStateSeekingBackward:
                        NSLog(@"MPMoviePlaybackStateSeekingBackward");
                        break;
                default:
                        break;
        }
}