AVPlayer不会在iOS9中播放来自网址的视频 [英] AVPlayer wont play video from url in iOS9

问题描述

我正在尝试在UIView中嵌入AVPlayer并从网址播放mp4视频文件。问题是我只收到一个黑色的空白视图（见截图）

I am trying to embed an AVPlayer inside a UIView and play a mp4 video file from an url. The problem is I only receive a black blank view (See screenshot)

在之前的iOS版本中，它对我有用，但自从升级到iOS9后我遇到了这个问题。

In previous iOS versions it worked for me, but since upgrading to iOS9 i got this problem.

我的.h文件如下所示：

My .h file looks like this:

@interface ViewController : UIViewController
@property (strong, nonatomic) IBOutlet UIView *viewPlayerContainer;

在我的实施文件中，我有以下内容：

Whereas in my implementation file I have the following:

@import AVFoundation;
@import AVKit;

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];

    AVPlayerViewController *playerViewController = [[AVPlayerViewController alloc] init];

    NSURL *url = [NSURL URLWithString:@"http://techslides.com/demos/sample-videos/small.mp4"];

    AVURLAsset *asset = [AVURLAsset assetWithURL: url];
    AVPlayerItem *item = [AVPlayerItem playerItemWithAsset: asset];

    AVPlayer * player = [[AVPlayer alloc] initWithPlayerItem: item];

    [playerViewController.view setFrame:CGRectMake(0, 0, _viewPlayerContainer.bounds.size.width, _viewPlayerContainer.bounds.size.width)];

    playerViewController.showsPlaybackControls = NO;

    [_viewPlayerContainer addSubview:playerViewController.view];


    [player play];


}

我在这里遗漏了什么吗？

Am i missing something here?

提前致谢！

推荐答案

@implementation ViewController{
    AVPlayerViewController *playerViewController;
}

- (void)viewDidLoad {
    [super viewDidLoad];
     playerViewController = [[AVPlayerViewController alloc] init];
}

- (IBAction)playVideo:(id)sender {
    NSURL *url = [NSURL URLWithString:@"http://techslides.com/demos/sample-videos/small.mp4"];

    AVURLAsset *asset = [AVURLAsset assetWithURL: url];
    AVPlayerItem *item = [AVPlayerItem playerItemWithAsset: asset];

    AVPlayer * player = [[AVPlayer alloc] initWithPlayerItem: item];
    playerViewController.player = player;
    [playerViewController.view setFrame:CGRectMake(0, 0, self.view.bounds.size.width, self.view.bounds.size.width)];

    playerViewController.showsPlaybackControls = YES;

    [self.view addSubview:playerViewController.view];

    [player play];
}

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