itemFailedToPlayToEnd - MPMoviePlayerController - iOS7

Question

在更新我的应用时遇到一个奇怪的问题iOS 7.因为iOS 6,没有问题,视频总是被加载.然而,这不是这种情况.

我有一个scrollview显示playlistItems- 一旦你点击它playlistItem,MPMoviePlayerController创建一个a 来显示播放列表项目(视频).

以下是我认为导致问题的方法:

- (void) play:(NSInteger)itemId withAutostart:(BOOL)autostart {

  // remember whether it is in fullscreen or not to restore for the next playlist item
  self.playerInFullscreen = self.player.isFullscreen;

  if (player != nil) {
    [self.player setFullscreen:NO animated:NO];
    [self stopListeningPlaybackFinishedEvents];
    [player stop];
    [self startListeningPlaybackFinishedEvents];
  }

  PlaylistItem * pi = [dbHelper getPlaylistItem:itemId];
  NSURL *movieURL = [pi getMovieUrl];

  if (DELEGATE.useSSL) {

    NSURLCredential *credential = [[NSURLCredential alloc]
                                 initWithUser: DELEGATE.username
                                 password: DELEGATE.password
                                 persistence: NSURLCredentialPersistenceForSession];

    NSURLProtectionSpace *protectionSpace = [[NSURLProtectionSpace alloc]
                                           initWithHost: [movieURL host]
                                           port: 80
                                           protocol: [movieURL scheme]
                                           realm: [movieURL host]
                                           authenticationMethod: NSURLAuthenticationMethodHTTPBasic];

    [[NSURLCredentialStorage sharedCredentialStorage]
     setDefaultCredential: credential
     forProtectionSpace: protectionSpace];

    [protectionSpace release];
    [credential release];
  }


  MPMoviePlayerController * temp = [[MPMoviePlayerController alloc] initWithContentURL:movieURL];
    [temp prepareToPlay];

  self.player =  temp;
  [temp release];

    player.shouldAutoplay = autostart;
  player.view.frame = movieViewContainer.bounds; 
  [movieViewContainer addSubview:player.view];

    NSLog(@"movie added to subview");

  [player setFullscreen:self.playerInFullscreen animated:NO];
  [self.view setNeedsDisplay];
}

这部电影正在加载到电影中MovieContainerView.

- (void)playlistItemSelected:(NSInteger)itemId withAutostart:(BOOL) autostart {
  for(UIView *subview in [thumbsScrollView subviews]) {
    if ([subview isKindOfClass:[PlaylistItemView class]] == YES ) {

      PlaylistItemView *piv = ((PlaylistItemView *) subview);
      [piv setCurrent: piv.playlistItem._id == itemId];

      if (piv.playlistItem._id == itemId) {
        [self ensurePlaylistItemViewVisible:piv];
      }
    }
  }
  [[movieViewContainer subviews] makeObjectsPerformSelector:@selector(removeFromSuperview)];
  self.currentPlaylistItem = [dbHelper getPlaylistItem:itemId];
  [self updateMetadataArea:itemId];

  if ([_currentPlaylistItem.type isEqual:VIDEO_TYPE]) {
    self.zoomButtonOut.hidden = YES;
    self.zoomButtonIn.hidden  = YES;

    [self play:itemId withAutostart:autostart];
  }
  else {
     [self.player pause];
    _zoomButtonIn.alpha = ZOOM_BUTTON_ALPHA;
    _zoomButtonOut.alpha = ZOOM_BUTTON_ALPHA;
    [self showPDFandImage:_currentPlaylistItem];
  }
  [self scrollViewDidEndDecelerating:nil];
 }

奇怪的是,这适用于iOS 6但不是iOS 7

以下是视频无法加载/播放时的NSLog错误:<Error>: CGImageCreate: invalid image size: 0 x 0. 和:_itemFailedToPlayToEnd: { kind = 1; new = 2; old = 0; }

Answer 1

我的 iOS 7 版本也遇到同样的问题。请问您的视频网址中是否有空格和数字？

i.e. my url was something like "video title 5.2.5.mov" and when I escaped the string using the NSUTF8StringEncoding, the result was "video%20title%205.2.5.mov" and it didn't work.

I tried changing the movie url to video_title_5_2_5.mov" and it loaded fine

希望这个建议有一点帮助