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ios - MPMoviePlayerController 音频不在设备上播放但在模拟器上播放

转载 作者:塔克拉玛干 更新时间:2023-11-01 21:22:56 24 4
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我的 iOS 应用程序中有一个 MPMoviePlayerController,它可以流式传输来自 Amazon S3 的视频。视频播放正常,但似乎在设备上(我用 iOS 6 测试过,不确定其他设备),音频无法播放。音频在模拟器上工作正常,只是在设备上不行。

谁知道哪里出了问题?这是我的代码:

// Construct the video's URL
NSURL *url = [NSURL URLWithString:[NSString stringWithFormat:@"http://s3.amazonaws.com/<mybucket>/%d.m4v",videoFileNumber]];
vidPlayer = [[MPMoviePlayerController alloc] initWithContentURL: url];

// Set up the video player
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(moviePlayBackDidFinish:)
name:MPMoviePlayerPlaybackDidFinishNotification
object:vidPlayer];

vidPlayer.scalingMode = MPMovieScalingModeAspectFill;
vidPlayer.controlStyle = MPMovieControlStyleDefault;
vidPlayer.shouldAutoplay = YES;

[self.view addSubview:vidPlayer.view];
[vidPlayer setFullscreen:YES animated:YES];

谢谢!

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