媒体播放器框架不能在iOS 6中播放视频

Question

我正在使用iOS 6中包含的mediaplayer框架来尝试从应用程序中播放电影。我导入，然后：

-(IBAction)playMovie:(id)sender
{
    NSString *filepath = [[NSBundle mainBundle] pathForResource:@"buyTutorial" ofType:@"mov"];
    NSURL *fileURL = [NSURL fileURLWithPath:filepath];
    MPMoviePlayerController *moviePlayerController = [[MPMoviePlayerController alloc] initWithContentURL:fileURL];
    [self.view addSubview:moviePlayerController.view];
    moviePlayerController.fullscreen = YES;
    [moviePlayerController play];
}

当调用此函数时，视图转到空白屏幕并无限加载。我已经尝试了这个实现的许多其他版本，结果各不相同，都失败了。is特殊情况下的日志为：

2012-11-05 21:19:27.900 [MPAVController] Autoplay: Disabling autoplay for pause
2012-11-05 21:19:27.902 [MPAVController] Autoplay: Disabling autoplay
2012-11-05 21:19:27.977 [MPAVController] Autoplay: Disabling autoplay for pause
2012-11-05 21:19:27.978 [MPAVController] Autoplay: Disabling autoplay
2012-11-05 21:19:27.984 [MPAVController] Autoplay: Skipping autoplay, disabled (for current item: 1, on player: 0)
2012-11-05 21:19:28.156 [MPAVController] Autoplay: Enabling autoplay

有关于这个事业的想法吗？这是我第一次尝试玩视频，在这一点上它被证明是一场噩梦。

Answer 1

在.h文件中添加以下内容

@property (nonatomic, strong) MPMoviePlayerController *controller;

尝尝这个

 -(IBAction)playMovie:(id)sender
    {
        NSString *filepath = [[NSBundle mainBundle] pathForResource:@"buyTutorial" ofType:@"mov"];
        NSURL *fileURL = [NSURL fileURLWithPath:filepath];
        MPMoviePlayerController *moviePlayerController = [[MPMoviePlayerController alloc] initWithContentURL:fileURL];
        [self.view addSubview:moviePlayerController.view];
        moviePlayerController.fullscreen = YES;
    [moviePlayerController prepareToPlay];
        [moviePlayerController play];
[self setController:moviePlayerController];
    }

Answer 2

Am facing the same issue, you can else try playing it on the web view. 

   NSURL *url = [NSURL fileURLWithPath:self.filePath];
   NSURLRequest *request = [NSURLRequest requestWithURL:url];
    [self.docWebView loadRequest:request];

Answer 3

代码的问题在于变量"moviePlayerController“只是局部作用域，所以在调用[moviePlayerController play];并退出函数后，局部变量立即被释放(因为这里有一个异步操作，其中包含从队列播放的play方法)。它不再保留引用URL的内容。所以你会看到一个黑屏和一个不定式“正在加载...”

您需要声明class的一个实例变量，并将内容从局部变量复制到class的属性，就像上面@iAppDeveloper中的示例代码一样。它应该是有效的！