Question

-(void)playVideo:(NSURL *)url{

    if (videoPlayer) {
        [videoPlayer release];
        videoPlayer = nil;
    }
    videoPlayer = [[MPMoviePlayerViewController alloc] initWithContentURL:url];
    url = nil;
    videoPlayer.moviePlayer.controlStyle=MPMovieControlStyleFullscreen;
    videoPlayer.view.autoresizingMask = (UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight);
    videoPlayer.moviePlayer.scalingMode = MPMovieScalingModeAspectFit;
    videoPlayer.view.backgroundColor = [UIColor blackColor]; 


    [[UIApplication sharedApplication]
     setStatusBarStyle:UIStatusBarStyleBlackTranslucent animated:NO];


    [videoPlayer.moviePlayer prepareToPlay];
    videoPlayer.moviePlayer.shouldAutoplay = YES;
    videoPlayer.hidesBottomBarWhenPushed = YES;
    self.navigationController.navigationBarHidden=NO;
    videoPlayer.navigationItem.hidesBackButton = YES;
    [self.navigationController pushViewController:videoPlayer animated:YES];

    [self addObservers];
}

有谁可以说这段代码有什么问题？网址是流式传输http链接。视频播放器正在出现但过了一段时间它就消失了。它在3G网络中工作但不在wifi中

Answer 1

正如你所说它在3G网络上而不是在WiFi网络上工作时，你的问题很可能与代码无关，而是与你正在测试的电影文件有关。

确保m3u8-snippet完整且对低带宽也有效。按照此Best Practice Guide和此TechNote的说明，使用Apples Mediastream Validator测试m3u8。

Answer 2

这一行之后：

videoPlayer = [[MPMoviePlayerViewController alloc] initWithContentURL:url];

添加：

[videoPlayer retain];

MPMoviePlayerViewController无法在ipod和iPhone上播放

2 个答案: