iOS 8.4 AVFoundation _attachToPlayer或_attachtofigplayercrash |一个AVPlayerItem不能与多个AVPlayer实例关联

我刚收到一个crashlytics消息，我的应用程序稳定性简直糟透了！基本上，这是iOS（8.4）上一次更新时爆发的崩溃，在以前的版本中根本不存在

你知道什么是_attachToFigPlayer，或者是什么可能会导致这种情况吗？它发生在两个应用程序中，一个在Obj-c中，另一个在Swift中

谢谢大家!

原始崩溃：（_attachToFigPlayer）

原始崩溃：（_attachToFigPlayer）

更新：

这就是我在XCode中遇到的错误

---

***由于未捕获的异常“NSInvalidArgumentException”而终止应用程序，原因是：“AVPlayerItem不能与AVPlayer的多个实例关联”

好的，在使用MPMoviePlayerServiceController并尝试重新使用该播放器时，可能会发生这种情况。在我的例子中，我使用播放器作为子视图

基本上，我的修复方法是将播放器设置为空，并在每次播放新视频时重新启动它

代码：（请记住我使用的是mpmovieplayervewcontroller作为子视图）

---

这将解决此类问题

根据我的崩溃日志报告，此问题似乎已在iOS 9中消失，但没有改变我使用MPMoviePlayerServiceWController的方式。感谢您的反馈！这是我的解决方案在iOS 9中不断崩溃，但我无法在本地复制。AVPlayer是播放视频的最佳播放器

Thread : Fatal Exception: NSInvalidArgumentException
0  CoreFoundation                 0x22adafef __exceptionPreprocess
1  libobjc.A.dylib                0x3141ec8b objc_exception_throw
2  AVFoundation                   0x21575b37 -[AVPlayerItem _attachToPlayer:]
3  AVFoundation                   0x2156a131 -[AVPlayer _attachItem:andPerformOperation:withObject:]
4  AVFoundation                   0x21569347 -[AVPlayer _insertItem:afterItem:]
5  AVFoundation                   0x2158744d -[AVQueuePlayer insertItem:afterItem:]
6  MediaPlayer                    0x24468c7f -[MPQueuePlayer insertItem:afterItem:]
7  MediaPlayer                    0x243e878b -[MPAVQueueCoordinator _syncPlayerItems]
8  MediaPlayer                    0x243e8297 -[MPAVQueueCoordinator _syncItems]
9  MediaPlayer                    0x243e97e5 __60-[MPAVQueueCoordinator _updateQueueDepthWithPausedDuration:]_block_invoke
10 libdispatch.dylib              0x319af2e3 _dispatch_call_block_and_release
11 libdispatch.dylib              0x319af2cf _dispatch_client_callout
12 libdispatch.dylib              0x319b2d2f _dispatch_main_queue_callback_4CF
13 CoreFoundation                 0x22aa0609 __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__
14 CoreFoundation                 0x22a9ed09 __CFRunLoopRun
15 CoreFoundation                 0x229eb201 CFRunLoopRunSpecific
16 CoreFoundation                 0x229eb013 CFRunLoopRunInMode
17 GraphicsServices               0x2a4bc201 GSEventRunModal
18 UIKit                          0x261b7a09 UIApplicationMain
19 MYAPP                          0x000d98b3 main (main.m:32)
20 libdyld.dylib                  0x319d0aaf start

  Thread : Fatal Exception: NSInvalidArgumentException
    0  CoreFoundation                 0x0000000182e602d8 __exceptionPreprocess
    1  libobjc.A.dylib                0x0000000194ad40e4 objc_exception_throw
    2  AVFoundation                   0x0000000181634b50 -[AVPlayerItem _attachToFigPlayer]
    3  AVFoundation                   0x0000000181627770 -[AVPlayer _attachItem:andPerformOperation:withObject:]
    4  AVFoundation                   0x0000000181648f00 -[AVQueuePlayer insertItem:afterItem:]
    5  MediaPlayer                    0x0000000185251d30 -[MPQueuePlayer insertItem:afterItem:]
    6  MediaPlayer                    0x00000001851bde7c -[MPAVQueueCoordinator _syncPlayerItems]
    7  MediaPlayer                    0x00000001851bd8a4 -[MPAVQueueCoordinator _syncItems]
    8  MediaPlayer                    0x00000001851bf2fc __60-[MPAVQueueCoordinator _updateQueueDepthWithPausedDuration:]_block_invoke
    9  libdispatch.dylib              0x0000000195151994 _dispatch_call_block_and_release
    10 libdispatch.dylib              0x0000000195151954 _dispatch_client_callout
    11 libdispatch.dylib              0x000000019515620c _dispatch_main_queue_callback_4CF
    12 CoreFoundation                 0x0000000182e177f8 __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__
    13 CoreFoundation                 0x0000000182e158a0 __CFRunLoopRun
    14 CoreFoundation                 0x0000000182d412d4 CFRunLoopRunSpecific
    15 GraphicsServices               0x000000018c79f6fc GSEventRunModal
    16 UIKit                          0x000000018793ef40 UIApplicationMain
    17 MYAPP                          0x00000001001c2e44 main (AppDelegate.swift:17)
    18 libdyld.dylib                  0x000000019517ea08 start

- (void)initPlayer {

    if (self.player != NULL) {
        [self.player.view removeFromSuperview];
        self.player = NULL;
    }
    self.player = [[MPMoviePlayerViewController alloc] initWithContentURL:[NSURL URLWithString:movie]];

    if (IsIPad()) {
        width = 730;
        height = 412;
    } else {
        width = 320;
        height = 180;
    }

    self.player.view.frame = CGRectMake(0, 61, width, height);
    self.player.view.hidden = true;
    self.player.moviePlayer.fullscreen = false;
    self.player.moviePlayer.controlStyle = MPMovieControlStyleEmbedded;

    [self.viewController.view addSubview:self.player.view];
}

if(avPlayer==nil)
{

    avPlayer = [AVPlayer playerWithPlayerItem:_avPlayerItem];
}else{
    [avPlayer replaceCurrentItemWithPlayerItem:_avPlayerItem];

}