/*
     File: MYAudioTapProcessor.h
 Abstract: Audio tap processor using MTAudioProcessingTap for audio visualization and processing.
  Version: 1.0.1
 
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 Modified to add additional methods
 */

#import <Foundation/Foundation.h>

@class AVAudioMix;
@class AVAssetTrack;
@class AVAudioPCMBuffer;

@protocol MYAudioTabProcessorDelegate;

@interface MYAudioTapProcessor : NSObject

// Designated initializer.
- (id)initWithAudioAssetTrack:(AVAssetTrack *)audioAssetTrack;

// Properties
@property (readonly, nonatomic) AVAssetTrack *audioAssetTrack;
@property (readonly, nonatomic) AVAudioMix *audioMix;
@property (weak, nonatomic) id <MYAudioTabProcessorDelegate> delegate;
@property (nonatomic, getter = isBandpassFilterEnabled) BOOL enableBandpassFilter;
@property (nonatomic) float centerFrequency; // [0 .. 1]
@property (nonatomic) float bandwidth; // [0 .. 1]
@property (nonatomic, assign) int numberOfChannels;

- (void)stopProcessing;

@end

#pragma mark - Protocols

@protocol MYAudioTabProcessorDelegate <NSObject>

// Add comment…
- (void)audioTabProcessor:(MYAudioTapProcessor *)audioTabProcessor hasNewLeftChannelValue:(float)leftChannelValue rightChannelValue:(float)rightChannelValue;
- (void)audioTabProcessor:(MYAudioTapProcessor *)audioTabProcessor hasNewChannelVolumeList:(NSArray *)iChannelVolumeList;
- (void)audioTabProcessor:(MYAudioTapProcessor *)audioTabProcessor didReceiveBuffer:(AVAudioPCMBuffer *)buffer;

@end
