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标题: iOS - AVPlayer 不为某些 URL 流式传输音频 [打印本页]

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作者: 菜鸟教程小白    时间: 2022-12-11 18:15
标题: iOS - AVPlayer 不为某些 URL 流式传输音频

我尝试过从流媒体播放音频。它适用于某些 URL，但对于某些具有某些 URL (http://listen.radionomy.com/almightyradiohindi) 的 URL，即使播放器状态为 = AVPlayerStatusReadyToPlay，它也会失败。如果我将相同的 URL 放在浏览器中不起作用，那么它也不起作用。但我认为播放器不应该将状态显示为 = AVPlayerStatusReadyToPlay。我面临管理它的问题。例如，我如何知道 AVPlayer 对哪个流媒体 URL 有效？

我的代码:

-(void)viewDidLoad {
    NSURL *url = [[NSURL alloc] initWithString:urlString];
    AVAsset *asset = [AVURLAsset URLAssetWithURL:url options:nil];
    AVPlayerItem *anItem = [AVPlayerItem playerItemWithAsset:asset];
    [[AVAudioSession sharedInstance] setCategory:AVAudioSessionCategoryPlayback error:nil];
    avPlayer = [AVPlayer playerWithPlayerItem:anItem];
    [avPlayer addObserver:self forKeyPath"status" options:0 context:nil];

}

-(void)observeValueForKeyPathNSString *)keyPath ofObjectid)object changeNSDictionary *)change contextvoid *)context {
    if (object == avPlayer && [keyPath isEqualToString"status"]) {

        if (avPlayer.status == AVPlayerStatusFailed) {
            NSLog(@"\n\n **** AVPlayer Failed  ***\n\n");
        }

        else if (avPlayer.status == AVPlayerStatusReadyToPlay) {
            NSLog(@"\n\n ****  AVPlayer Ready to Play   ****\n\n");
            [avPlayer play];

        }
        else if (avPlayer.status == AVPlayerItemStatusUnknown) {
            NSLog(@"\n\n  **** AVPlayer Unknown  \n\n ****");
        }
    }
}

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Best Answer-推荐答案

当我在浏览器中打开您的音频网址(http://listen.radionomy.com/almightyradiohindi)时，它会变为(http://streaming.radionomy.com/AlmightyRadioHindi?lang=en-US%2cen%3bq%3d0.8%2cfa%3bq%3d0.6) 如果你能得到准确的 url 并对其进行 url 编码，问题将得到解决

swift 3.0中的url编码:

var originalString = "test/test"
var escapedString = originalString.addingPercentEncoding(withAllowedCharacters: .urlHostAllowed)
print(escapedString!)

关于iOS - AVPlayer 不为某些 URL 流式传输音频，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/40945125/

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