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我有一个应用程序,在触摸视图后再播放电影,然后完成电影。我在视图上放置了一个按钮。点击按钮后会播放第二部电影。但它似乎只是然后加载和一个短的黑屏出现。我想避免现在黑屏......连续播放两个视频导致短黑屏
继承人的代码:
初始化在viewDidLoad
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
NSString *movpath = [[NSBundle mainBundle]
pathForResource:@"movie1"
ofType:@"m4v"];
mpviewController =
[[MPMoviePlayerViewController alloc]
initWithContentURL:[NSURL fileURLWithPath:movpath]];
[[NSNotificationCenter defaultCenter]
addObserver:self
selector:@selector(movieFinishedCallback:)
name:MPMoviePlayerPlaybackDidFinishNotification
object:nil];
mp = [mpviewController moviePlayer];
// [mp setMovieControlMode:MPMovieControlModeHidden];
// [mp.view setFrame:CGRectMake(0, 0, 250, 263)];
mp.controlStyle = MPMovieControlStyleNone;
mp.shouldAutoplay = NO;
[mp prepareToPlay];
[mp pause];
然后在故事板触摸我打电话startAnimation
- (IBAction)startAnimation:(id)sender {
NSLog(@"Animation 1");
[self.view addSubview:mpviewController.view];
[mp play];
}
在此之后电影完成我设置按钮
- (void) movieFinishedCallback:(NSNotification*) aNotification {
NSLog(@"...movie done");
// generate start button for animation 2
startAnimation2Button = [UIButton buttonWithType:UIButtonTypeRoundedRect];
startAnimation2Button.tag = 1;
[startAnimation2Button addTarget:self action:@selector(startAnimation2:) forControlEvents:UIControlEventTouchUpInside];
startAnimation2Button.frame = CGRectMake(130, 230, 070, 070);
startAnimation2Button.userInteractionEnabled = YES;
startAnimation2Button.alpha = 0.1;
[self.view addSubview:startAnimation2Button];
}
然后单击按钮触摸之后,第二个动画开始
- (IBAction)startAnimation2:(id)sender {
NSLog(@"Animation 2");
NSString *movpath = [[NSBundle mainBundle]
pathForResource:@"movie2"
ofType:@"m4v"];
[mp setContentURL:[NSURL fileURLWithPath:movpath]];
[[NSNotificationCenter defaultCenter]
addObserver:self
selector:@selector(movieFinishedCallback2:)
name:MPMoviePlayerPlaybackDidFinishNotification
object:nil];
[mp play];
}
但这里会出现一个短暂的黑屏,可能同时剧场2被加载,然后播放。
如何避免黑屏?
格尔茨
我会尝试一个,但有一条评论会让我失望......“从iOS 5开始,看起来AVQueuePlayer不再预缓冲,它预先缓冲了iOS 4中的下一首曲目。” – spankmaster79 2012-03-08 12:45:27
@ spankmaster79它是如何为你工作的? – Till 2012-03-15 19:09:48
它确实为我工作。在完成的视频中放置按钮时出现问题,但似乎是另一个问题 – spankmaster79 2012-03-19 09:27:43