iOS - AVPlayer 不为某些 URL 流式传输音频
<p><p>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 (<a href="http://listen.radionomy.com/almightyradiohindi" rel="noreferrer noopener nofollow">http://listen.radionomy.com/almightyradiohindi</a>) 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？</p>
<p>我的代码:</p>
<pre><code>-(void)viewDidLoad {
NSURL *url = [ initWithString:urlString];
AVAsset *asset = ;
AVPlayerItem *anItem = ;
[ setCategory:AVAudioSessionCategoryPlayback error:nil];
avPlayer = ;
;
}
-(void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context {
if (object == avPlayer && ) {
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");
;
}
else if (avPlayer.status == AVPlayerItemStatusUnknown) {
NSLog(@"\n\n**** AVPlayer Unknown\n\n ****");
}
}
}
</code></pre></p>
<br><hr><h1><strong>Best Answer-推荐答案</ strong></h1><br>
<p><p>当我在浏览器中打开您的音频网址(<a href="http://listen.radionomy.com/almightyradiohindi" rel="noreferrer noopener nofollow">http://listen.radionomy.com/almightyradiohindi</a>)时，它会变为(<a href="http://streaming.radionomy.com/AlmightyRadioHindi?lang=en-US%2cen%3bq%3d0.8%2cfa%3bq%3d0.6" rel="noreferrer noopener nofollow">http://streaming.radionomy.com/AlmightyRadioHindi?lang=en-US%2cen%3bq%3d0.8%2cfa%3bq%3d0.6</a>)
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</p>
<p>swift 3.0中的url编码:</p>
<pre><code>var originalString = "test/test"
var escapedString = originalString.addingPercentEncoding(withAllowedCharacters: .urlHostAllowed)
print(escapedString!)
</code></pre></p>
<p style="font-size: 20px;">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：
<a href="https://stackoverflow.com/questions/40945125/" rel="noreferrer noopener nofollow" style="color: red;">
https://stackoverflow.com/questions/40945125/
</a>
</p>
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