VideoPlayerView

OUPVideoPlayerView.h

#import <AVFoundation/AVFoundation.h>
#import <UIKit/UIKit.h>

@interface OUPVideoPlayerView : UIView

@property (nonatomic) BOOL showsPlayhead;

- (void)playItem:(AVPlayerItem*)item repeated:(BOOL)repeated;
- (void)replay;
- (void)pause;

@end

OUPVideoPlayerView.m

#import "OUPVideoPlayerView.h"

// TODO: playhead

@interface OUPVideoPlayerView ()

@property (nonatomic) AVPlayer* player;
@property (nonatomic) BOOL repeated;

@end

@implementation OUPVideoPlayerView

+ (Class)layerClass
{
    return [AVPlayerLayer class];
}

- (AVPlayerLayer*)playerLayer
{
    return (AVPlayerLayer*)self.layer;
}

#pragma mark - init

- (instancetype)initWithCoder:(NSCoder*)coder
{
    self = [super initWithCoder:coder];
    if (self)
    {
        [self commonInit];
    }
    return self;
}

- (instancetype)initWithFrame:(CGRect)frame
{
    self = [super initWithFrame:frame];
    if (self)
    {
        [self commonInit];
    }
    return self;
}

- (void)commonInit
{
    _player = [[AVPlayer alloc] init];

    self.playerLayer.videoGravity = AVLayerVideoGravityResizeAspect;
    self.playerLayer.player = _player;

    __weak __typeof(self) ws = self;
    auto note = [NSNotificationCenter defaultCenter];
    [note addObserverForName:UIApplicationWillResignActiveNotification
                      object:nil
                       queue:NSOperationQueue.mainQueue
                  usingBlock:^(NSNotification* note) {
                      [ws pause];
                  }];
    [note addObserverForName:UIApplicationDidBecomeActiveNotification
                      object:nil
                       queue:NSOperationQueue.mainQueue
                  usingBlock:^(NSNotification* note) {
                      [ws play];
                  }];
}

- (void)dealloc
{
    [[NSNotificationCenter defaultCenter] removeObserver:self];
}

#pragma mark - play

- (void)playItem:(AVPlayerItem*)item repeated:(BOOL)repeated
{
    if (!item)
    {
        return;
    }

    _repeated = repeated;

    [item seekToTime:kCMTimeZero];
    [_player replaceCurrentItemWithPlayerItem:item];
    [_player play];

    __weak __typeof(self) ws = self;
    auto note = [NSNotificationCenter defaultCenter];
    [note removeObserver:self name:AVPlayerItemDidPlayToEndTimeNotification object:nil];
    [note addObserverForName:AVPlayerItemDidPlayToEndTimeNotification
                      object:nil
                       queue:NSOperationQueue.mainQueue
                  usingBlock:^(NSNotification* note) {
                      [ws replayIfNeeded];
                  }];
}

- (void)pause
{
    [_player pause];
}

- (void)play
{
    [_player play];
}

- (void)replay
{
    [_player seekToTime:kCMTimeZero];
    [_player play];
}

- (void)replayIfNeeded
{
    if (_repeated)
    {
        [self replay];
    }
}

@end