#import "EZAudio.h" 
#import "DPMainEqualizerView.h"
#import "DPEqualizerSettings.h"

    DPEqualizerSettings *settings = [DPEqualizerSettings createByType: DPHistogram];
    self.equalizerView = [[DPHistogramEqualizerView alloc] initWithFrame: self.view.bounds 
                                                             andSettings: settings];
    [self.view addSubview: self.equalizerView];

     NSString *audioPath = [[NSBundle mainBundle] pathForResource: @"YOUR_AUDIO_FILE_PATH" 
                                                           ofType: @"AUDIO_FILE_TYPE"];
     EZAudioFile *audioFile = [[EZAudioFile alloc] initWithURL: [[NSURL alloc] initWithString: audioPath]];
     self.player = [[EZAudioPlayer alloc] initWithAudioFile: audioFile];
     self.player.delegate = self;
     [self.player play];

- (void)  audioPlayer:(EZAudioPlayer *)audioPlayer
          playedAudio:(float **)buffer
       withBufferSize:(UInt32)bufferSize
 withNumberOfChannels:(UInt32)numberOfChannels
          inAudioFile:(EZAudioFile *)audioFile {
          
    dispatch_async(dispatch_get_main_queue(), ^{
        if (self.player.isPlaying) {
            [self.equalizerView updateBuffer: buffer[0] withBufferSize:bufferSize];
        }
    
    });
}

/// The highest bound of the frequency. Default: 7000Hz
@property (nonatomic) float maxFrequency;

/// The lowest bound of the frequency. Default: 400Hz
@property (nonatomic) float minFrequency;

/// The number of bins in the audio plot. Default: 40
@property (nonatomic) NSUInteger numOfBins;

/// The padding of each bin in percent width. Default: 0.2
@property (nonatomic) CGFloat padding;

/// The gain applied to the height of each bin. Default: 10
@property (nonatomic) CGFloat gain;

/// A float that specifies the vertical gravitational acceleration applied to each bin.
/// Default: 10 pixel/sec^2
@property (nonatomic) float gravity;

/// The number of max bin height. Default: Screen height.
@property (assign, nonatomic) CGFloat maxBinHeight;

/// The type of plot that can be displayed in the view using the data. Default: DPPlotTypeBuffer.
@property (assign, nonatomic) DPPlotType plotType;

/// The type of equalizer that can be displayed in the view using the data. Default: DPHistogram.
@property (assign, nonatomic) DPEqualizerType equalizerType;

/// The colors of equalizer background that can be displayed in the view.
@property (nonatomic, strong) NSMutableArray *equalizerBackgroundColors;

/// The colors of low frequency that can be displayed in the view.
@property (nonatomic, strong) NSMutableArray *lowFrequencyColors;

/// The colors of hight frequency that can be displayed in the view.
@property (nonatomic, strong) NSMutableArray *hightFrequencyColors;

/// The colors of bins that can be displayed in the view.
@property (nonatomic, strong) NSMutableArray *equalizerBinColors;

@property (nonatomic, assign) BOOL fillGraph;