同时播放两个音乐

同时播放两个音乐,多线程控制的，适合一个做背景一个前景的混合。

- (void)viewDidLoad 

{

    [superviewDidLoad];

 

NSData *sound1 = [NSDatadataWithContentsOfFile:[[[NSBundlemainBundle] bundlePath] stringByAppendingPathComponent:@"01.mp3"]];

NSData *sound2 = [NSDatadataWithContentsOfFile:[[[NSBundlemainBundle] bundlePath] stringByAppendingPathComponent:@"01.mp3"]];

 

NSOperationQueue *queue = [[NSOperationQueuealloc] init];

NSError *error = nil;

 

AVAudioPlayer *player1 = [[AVAudioPlayeralloc] initWithData:sound1 error:&error];

AVAudioPlayer *player2 = [[AVAudioPlayeralloc] initWithData:sound2 error:&error];

 

NSInvocationOperation *op1 = [[[NSInvocationOperationalloc] initWithTarget:selfselector:@selector(playSounds:) object:player1] autorelease];

 

NSInvocationOperation *op2 = [[[NSInvocationOperationalloc] initWithTarget:selfselector:@selector(playSounds:) object:player2] autorelease];

 

[queue addOperation:op1];

[queue addOperation:op2];

 

}

 

- (void)playSounds:(id)data

{

    AVAudioPlayer *player = (AVAudioPlayer *)data;

 

    [player prepareToPlay];

    [player play];

}