从URI获取的音频流，并发挥它在iPhone [英] Get an audio stream from URI and play it on iPhone

问题描述

我想从URL获得音频流和发挥它在iPhone上。不幸的是，如何发挥该流只有C＃示例，但我需要在iPhone上的框架Objective C的一个实现。我已经试过我自己使用不同的音频框架，但它是所有成功。这是在C＃中：

  =响应httpWebRequest.GetResponse（）;
            使用（流流= response.GetResponseStream（））
            {
                使用（声音播放球员=新声音播放（流））
                {
                    player.PlaySync（）;
                }
            }
 

我应该在客观C至从那个URL的流音频吗？在这个网址我没有一个mp3文件什么的，我只是得到一个流。也许我必须在某种程度上流下载到iPhone的音频文件，然后发挥它摆脱滞后的。

我试过这样：

  AVPlayer *玩家= [AVPlayer playerWithURL：URL]
 [播放器播放];
 

和这样的：

  AVAudioPlayer * theAudio = [[AVAudioPlayer页头] initWithContentsOfURL：URL错误：无];    [theAudio setVolume：0.50]; //设置音量    [theAudio玩]
 

但是都没有成功。
我测试了我的网址，它工作得很好的浏览器。

这是code的工作：

 的NSData * _objectData = [NSData的dataWithContentsOfURL：URL]
    NSError *错误;    AVAudioPlayer * audioPlayer = [[AVAudioPlayer页头] initWithData：_objectData错误：＆放大器;错误]
    audioPlayer.numberOfLoops = 0;
    audioPlayer.volume = 1.0F;
    [audioPlayer prepareToPlay]。    如果（audioPlayer ==无）
        的NSLog（@％@，[错误描述]）;
    其他
        [audioPlayer播放];
 

解决方案

 的NSString * resourcePath =网址; //您的网址
的NSData * _objectData = [NSData的dataWithContentsOfURL：[NSURL URLWithString：resourcePath]];
NSError *错误;app.audioPlayer = [[AVAudioPlayer页头] initWithData：_objectData错误：＆放大器;错误]
app.audioPlayer.numberOfLoops = 0;
app.audioPlayer.volume = 1.0F;
[app.audioPlayer prepareToPlay]。如果（app.audioPlayer ==无）
    的NSLog（@％@，[错误描述]）;
其他
    [app.audioPlayer玩]
 

I would like to get an audio stream from URL and play it on iPhone. Unfortunately, there is only C# example of how to play that stream, but I need a realization on Objective C in iPhone frameworks. I have tried my self to use different audio frameworks but it was all unsuccessful. This is what in C#:

response = httpWebRequest.GetResponse();
            using (Stream stream = response.GetResponseStream())
            {
                using (SoundPlayer player = new SoundPlayer(stream))
                {
                    player.PlaySync();
                }
            }

What should I do in objective C to get a stream audio from that url? In that URL I don't have an mp3 file or something, I just get a stream. Probably I must somehow download that stream to an iPhone audio file and then play it to get rid of lags.

I tried this:

 AVPlayer *player = [AVPlayer playerWithURL:url];
 [player play];

And this:

AVAudioPlayer *theAudio = [[AVAudioPlayer alloc] initWithContentsOfURL: url error:nil];

    [theAudio setVolume :0.50]; //setting the volume

    [theAudio play];

Neither worked. I have tested my url, it works well in browser.

This is the code that worked:

NSData *_objectData = [NSData dataWithContentsOfURL:url];
    NSError *error;

    AVAudioPlayer *audioPlayer = [[AVAudioPlayer alloc] initWithData:_objectData error:&error];
    audioPlayer.numberOfLoops = 0;
    audioPlayer.volume = 1.0f;
    [audioPlayer prepareToPlay];

    if (audioPlayer == nil)
        NSLog(@"%@", [error description]);
    else
        [audioPlayer play];

解决方案

NSString* resourcePath = url; //your url
NSData *_objectData = [NSData dataWithContentsOfURL:[NSURL URLWithString:resourcePath]];
NSError *error;

app.audioPlayer = [[AVAudioPlayer alloc] initWithData:_objectData error:&error];
app.audioPlayer.numberOfLoops = 0;
app.audioPlayer.volume = 1.0f;
[app.audioPlayer prepareToPlay];

if (app.audioPlayer == nil)
    NSLog(@"%@", [error description]);
else
    [app.audioPlayer play];

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