gapless playback on IOS

iosGaplessVideoPlayback.gist

NSURL *videoLoopUrl; 
// as [[NSBundle mainBundle] URLForResource:@"assets/yourVideo" withExtension:@"mp4"]];

AVQueuePlayer *_loopVideoPlayer;

+(void) nextVideoInstance:(NSNotification*)notif
{
    
    AVPlayerItem *currItem = [AVPlayerItem playerItemWithURL: videoLoopUrl];
    [[NSNotificationCenter defaultCenter] addObserver:self
                                             selector:@selector(nextVideoInstance:)
                                                 name:AVPlayerItemDidPlayToEndTimeNotification
                                               object: currItem];
    
    [_loopVideoPlayer insertItem:currItem afterItem:nil];
    [_loopVideoPlayer advanceToNextItem];
}

+(void) initVideoPlayer {
    videoCopy1 = [AVPlayerItem playerItemWithURL: videoLoopUrl];
    videoCopy2 = [AVPlayerItem playerItemWithURL: videoLoopUrl];
    NSArray <AVPlayerItem *> *dummyArray = [NSArray arrayWithObjects: videoCopy1, videoCopy2, nil];
    _loopVideoPlayer = [AVQueuePlayer queuePlayerWithItems: dummyArray];
    
    [[NSNotificationCenter defaultCenter] addObserver: self
                                             selector: @selector(nextVideoInstance:)
                                                 name: AVPlayerItemDidPlayToEndTimeNotification
                                               object: videoCopy1];
    
    [[NSNotificationCenter defaultCenter] addObserver: self
                                             selector: @selector(nextVideoInstance:)
                                                 name: AVPlayerItemDidPlayToEndTimeNotification
                                               object: videoCopy2];
                                               
                      
}