[[NSNotificationCenter defaultCenter] addObserver:self
                                         selector:@selector(playingItemDidEnd:)
                                             name:AVPlayerItemDidPlayToEndTimeNotification
                                           object:iPodPlayer];


[[NSNotificationCenter defaultCenter] addObserver:self
                                       selector:@selector(playingItemDidEnd:)
                                             name:AVPlayerItemDidPlayToEndTimeNotification
                                           object:applicationPlayer ];

- (void)playingItemDidEnd:(NSNotification *)notification
{
      id object= [notification object];

     if(object==ipodPlayer)
     {
       printf("n Notification from iPod Player ");

     }
     else if(object==applicationPlayer)
     {
       printf("n Notification from application Player ");
     }

[[NSNotificationCenter defaultCenter] addObserver:self
                                         selector:@selector(playingItemDidEnd:)
                                             name:AVPlayerItemDidPlayToEndTimeNotification
                                           object:[applicationPlayer currentItem] ];

   [[NSNotificationCenter defaultCenter] addObserver:self
                                         selector:@selector(playingItemDidEnd:)
                                             name:AVPlayerItemDidPlayToEndTimeNotification
                                           object:[iPodPlayer currentItem]];

- (void)playingItemDidEnd:(NSNotification *)notification

AVPlayerItem* object= [notification object];
if(object==[applicationPlayer currentItem])
{

}
else if(object==[avPlayer currentItem])
{

}