#import <UIKit/UIKit.h>
#import <AVFoundation/AVFoundation.h>

@interface WebViewController : UIViewController{
    double rate;
    AVAudioPlayer * player;
}

-(IBAction)play;
-(IBAction)speedChanged;

@property (nonatomic, retain) IBOutlet UIButton * button;
@property (nonatomic, retain) IBOutlet UISlider * slider;
@property (nonatomic, retain) IBOutlet UILabel * label;

@end

@implementation WebViewController

- (void)viewDidLoad
{
    [super viewDidLoad];
    [self speedChanged];
}

- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

-(void)speedChanged{
    rate = powf(2,self.slider.value);
    self.label.text = [NSString stringWithFormat:@"%0.3f", rate];
}

-(void)play{
    NSString *path = [[NSBundle mainBundle] pathForResource:@"1839" ofType:@"mp3"];
    NSURL * url = [NSURL fileURLWithPath:path];
    player = [[AVAudioPlayer alloc] initWithContentsOfURL:url error:nil];
    player.rate = rate;
    player.enableRate = YES;
    NSLog(@"%@", player);
    [player play];
}

@end