ios - AVAudioPlayer initWithURL not working to stream radio -

i'm trying stream radio in app.

i'm using avaudioplayer, have error don't understand :

nsstring *urlstring = @"http://broadcast.infomaniak.net/radionova-high.mp3"; nsurl *myurl = [nsurl urlwithstring:urlstring];  nserror *error; self.audioplayer = [[avaudioplayer alloc] initwithcontentsofurl:myurl error:&error];  if (self.audioplayer == nil){     nslog(@"error loading clip: %@", [error localizeddescription]); } else {     self.audioplayer.delegate = self;     self.audioplayer.volume = 0.5;     [self.audioplayer play]; } 

and have following error :

error loading clip: operation couldn’t completed. (osstatus error -43.) 

does see what's wrong ?

edit :

this apple docs say:

the avaudioplayer class not provide support streaming audio based on http url's. url used initwithcontentsofurl: must file url (file://). is, local path.

now ? :(

download file document directoty play file

nsstring *urlstring = @"http://broadcast.infomaniak.net/radionova-high.mp3"; nsurl *myurl = [nsurl urlwithstring:urlstring];     nsdata *audiodata = [nsdata datawithcontentsofurl:myurl];         nsstring *docdirpath = [nssearchpathfordirectoriesindomains(nsdocumentdirectory, nsuserdomainmask, yes) objectatindex:0];         nsstring *filepath = [nsstring stringwithformat:@"%@/%@.mp3", docdirpath , filename];         [audiodata writetofile:filepath atomically:yes];          nserror *error;         nsurl *fileurl = [nsurl fileurlwithpath:filepath];         self.audioplayer = [[avaudioplayer alloc] initwithcontentsofurl:fileurl error:&error];         if (self.audioplayer == nil) {             nslog(@"audioplayer did not load properly: %@", [error description]);         } else {        self.audioplayer.delegate = self;       self.audioplayer.volume = 0.5;             [self.audioplayer play];         }