关于流媒体视频

#import "ViewController.h"
#import <AVFoundation/AVFoundation.h>
#import <MediaPlayer/MediaPlayer.h>

/**
 http://baobab.cdn.wandoujia.com/14468618701471.mp4
 http://hls.quanmin.tv/live/35743/playlist.m3u8
 */

static const NSString *PlayerItemStatusContext;

@interface ViewController ()

@property (nonatomic, strong) AVPlayer *player;

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
//    //1. 根据网址创建AVPlayer
//    self.player = [AVPlayer playerWithURL:[NSURL URLWithString:@"http://hls.quanmin.tv/live/35743/playlist.m3u8"]];
//    
//    //2. 创建PlayerLayer
//    AVPlayerLayer *playerLayer = [AVPlayerLayer playerLayerWithPlayer:self.player];
//    
//    //3. 设置大小
//    playerLayer.frame = self.view.bounds;
//    
//    //4. 添加到layer中
//    [self.view.layer addSublayer:playerLayer];
//    
//    //5. 播放
//    [self.player play];
//   
    
}
- (IBAction)playLocalVideoClick:(id)sender {
    
    NSURL *assetURL = [[NSBundle mainBundle] URLForResource:@"02开发环境.mp4" withExtension:nil];
//
//    AVAsset *asset = [AVAsset assetWithURL:assetURL];
//
//    AVPlayerItem *playerItem = [AVPlayerItem playerItemWithAsset:asset];
//    
//    [playerItem addObserver:self forKeyPath:@"status" options:0 context:&PlayerItemStatusContext];
//    
//    self.player = [AVPlayer playerWithPlayerItem:playerItem];
    self.player = [AVPlayer playerWithURL:assetURL];
    
    AVPlayerLayer *playerLayer = [AVPlayerLayer playerLayerWithPlayer:self.player];
    
    playerLayer.frame = self.view.bounds;
    
    [self.view.layer addSublayer:playerLayer];
    
    [self.player play];

}
- (IBAction)playRomoteVideoClick:(id)sender {
    
    //1. AVPlayerItem会创建媒体资源动态视角的数据模型(比如当前播放时间, 实现时间跳转等), 并保存AVPlayer在播放资源时的呈现状态
    AVPlayerItem *playerItem = [AVPlayerItem playerItemWithURL:[NSURL URLWithString:@"http://hls.quanmin.tv/live/35743/playlist.m3u8"]];
    
    [playerItem addObserver:self forKeyPath:@"status" options:0 context:&PlayerItemStatusContext];
    
    self.player = [AVPlayer playerWithPlayerItem:playerItem];
    
    AVPlayerLayer *playerLayer = [AVPlayerLayer playerLayerWithPlayer:self.player];
    
    playerLayer.frame = self.view.bounds;
    
    [self.view.layer addSublayer:playerLayer];

}


- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary<NSString *,id> *)change context:(void *)context
{
    if (context == &PlayerItemStatusContext) {
        AVPlayerItem *playerItem = (AVPlayerItem *)object;
        if (playerItem.status == AVPlayerItemStatusReadyToPlay) {
            [self.player play];
        }
    }
}
- (IBAction)mpVCPlayRomoteClick:(id)sender {
    MPMoviePlayerViewController *mpvc = [[MPMoviePlayerViewController alloc] initWithContentURL:[NSURL URLWithString:@"http://baobab.cdn.wandoujia.com/14468618701471.mp4"]];
    [self presentModalViewController:mpvc animated:YES];
}

- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{
//    [self.player play];
    
}

这是一个小demo的实现

#import "ViewController.h"
#import <AVFoundation/AVFoundation.h>
#import <MediaPlayer/MediaPlayer.h>

@interface ViewController ()

@property(nonatomic,strong)AVPlayer *player;//播放对象
@property(nonatomic,strong)MPMoviePlayerController *mc;

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
}

/**
 http://baobab.cdn.wandoujia.com/14468618701471.mp4
 http://hls.quanmin.tv/live/35743/playlist.m3u8
 */



- (IBAction)clik:(id)sender {
    //1mpc:
    
//    self.mc=[[MPMoviePlayerController alloc]initWithContentURL:[NSURL URLWithString:@"http://baobab.cdn.wandoujia.com/14468618701471.mp4"]];
//    self.mc.view.frame=CGRectMake(0, 200, 375, 200);
//    [self.view addSubview:self.mc.view];
//    [self.mc play];
    
    
    //2mpvc
//    MPMoviePlayerViewController *mpv=[[MPMoviePlayerViewController alloc]initWithContentURL:[NSURL URLWithString:@"http://baobab.cdn.wandoujia.com/14468618701471.mp4"]];
//    [self presentViewController:mpv animated:YES completion:nil];
    
    
    //3Aplayer
    //根据网址创建
    self.player=[AVPlayer playerWithURL:[NSURL URLWithString:@"http://baobab.cdn.wandoujia.com/14468618701471.mp4"]];
    AVPlayerLayer *player=[AVPlayerLayer playerLayerWithPlayer:self.player];
    
    player.frame=self.view.bounds;
    [self.view.layer addSublayer:player];
    
    //播放
    [self.player play];
    
    
}