/*

 Copyright (C) 2016 Apple Inc. All Rights Reserved.

 See LICENSE.txt for this sample’s licensing information

 Abstract:

 This class demonstrates the audio APIs used to capture audio data from the microphone and play it out to the speaker. It also demonstrates how to play system sounds

 */

#import <AudioToolbox/AudioToolbox.h>

#import <AVFoundation/AVFoundation.h>

#import "BufferManager.h"

#import "DCRejectionFilter.h"

@interface AudioController : NSObject {

    AudioUnit               _rioUnit;

    BufferManager*          _bufferManager;

    DCRejectionFilter*      _dcRejectionFilter;

    AVAudioPlayer*          _audioPlayer;   // for button pressed sound

    BOOL                    _audioChainIsBeingReconstructed;

}

@property (nonatomic, assign) BOOL muteAudio;

@property (nonatomic, assign, readonly) BOOL audioChainIsBeingReconstructed;

- (BufferManager*) getBufferManagerInstance;

- (OSStatus)    startIOUnit;

- (OSStatus)    stopIOUnit;

- (void)        playButtonPressedSound;

- (double)      sessionSampleRate;

@end