/*

 </samplecode>

*/

#import <UIKit/UIKit.h>

#import <AudioToolbox/AudioQueue.h>

#import <AVFoundation/AVFoundation.h>

#include "MeterTable.h"

#define kPeakFalloffPerSec  .7

#define kLevelFalloffPerSec .8

#define kMinDBvalue -80.0

// A LevelMeter subclass which is used specifically for AVAudioPlayer objects

@interface AVLevelMeter : UIView {

    AVAudioPlayer               *_player;

    NSArray                     *_channelNumbers;

    NSArray                     *_subLevelMeters;

    MeterTable                  *_meterTable;

    NSTimer                     *_updateTimer;

    CGFloat                     _refreshHz;

    BOOL                        _showsPeaks;

    BOOL                        _vertical;

    BOOL                        _useGL;

    CFAbsoluteTime              _peakFalloffLastFire;

    UIColor*                    color;

}

- (void)setPlayer:(AVAudioPlayer*)v;

@property (readonly)    AVAudioPlayer*  player; // The AVAudioPlayer object

@property               CGFloat         refreshHz; // How many times per second to redraw

@property (retain)      NSArray*        channelNumbers; // Array of NSNumber objects: The indices of the channels to display in this meter

@property (retain)      UIColor*        color;

@property               BOOL            showsPeaks; // Whether or not we show peak levels

@property               BOOL            vertical; // Whether the view is oriented V or H

@property               BOOL            useGL; // Whether or not to use OpenGL for drawing

@end