/*

    File: CaptureSessionController.h

Abstract: Class that sets up a AVCaptureSession that outputs to a

 AVCaptureAudioDataOutput. The output audio samples are passed through

 an effect audio unit and are then written to a file.

 Version: 1.0

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#import <Cocoa/Cocoa.h>

#import <AudioUnit/AudioUnit.h>

#import <AudioToolbox/AudioToolbox.h>

#import <AVFoundation/AVFoundation.h>

// CoreAudio Public Utility

#import "CAStreamBasicDescription.h"

#import "CAComponentDescription.h"

#import "CAAudioBufferList.h"

#import "AUOutputBL.h"

@interface CaptureSessionController : NSObject <NSWindowDelegate, AVCaptureAudioDataOutputSampleBufferDelegate> {

    IBOutlet NSWindow           *window;

    IBOutlet NSImageView        *image;

@private

    AVCaptureSession            *captureSession;

    AVCaptureDeviceInput        *captureAudioDeviceInput;

    AVCaptureAudioDataOutput    *captureAudioDataOutput;

    AudioUnit                   effectAudioUnit;

    ExtAudioFileRef             extAudioFile;

    AudioStreamBasicDescription currentInputASBD;

    AudioBufferList             *currentInputAudioBufferList;

    AUOutputBL                  *outputBufferList;

    double                      currentSampleTime;

    BOOL                        didSetUpAudioUnits;

    NSString                    *outputFile;

    BOOL                        recording;

    NSNumber                    *feedbackValue;

    NSNumber                    *delayTimeValue;

}

@property(copy)                 NSString *outputFile;

@property(getter=isRecording)   BOOL     recording;

@property(retain)               NSNumber *feedbackValue;

@property(retain)               NSNumber *delayTimeValue;

- (IBAction)chooseOutputFile:(id)sender;

@end