/*

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

See LICENSE.txt for this sample’s licensing information

Abstract:

The Main Mixer Controller

*/

#import <Cocoa/Cocoa.h>

#import <CoreAudio/CoreAudio.h>

#import <AudioToolbox/AudioToolbox.h>

typedef struct {

    AudioStreamBasicDescription asbd;

    float *data;

    UInt32 numFrames;

    UInt32 phase;

    NSString *name;

} SndBuf;

#define MAXBUFS 8

struct SynthData

{

    int numbufs;

    SndBuf bufs[MAXBUFS];

    int select;

};

@interface MixerController : NSObject <NSApplicationDelegate>

{

    AUGraph mGraph;

    AudioUnit mixer;

    //AudioUnit defaultOutputUnit;

    IBOutlet NSWindow* theWindow;

    NSMutableArray *meterInPreArray;

    NSMutableArray *meterInArray;

    NSMutableArray *meterOutArray;

    NSMutableArray *xpmeterArray;

    IBOutlet NSSlider* xpslider11;

    IBOutlet NSSlider* xpslider12;

    IBOutlet NSSlider* xpslider13;

    IBOutlet NSSlider* xpslider14;

    IBOutlet NSSlider* xpslider15;

    IBOutlet NSSlider* xpslider21;

    IBOutlet NSSlider* xpslider22;

    IBOutlet NSSlider* xpslider23;

    IBOutlet NSSlider* xpslider24;

    IBOutlet NSSlider* xpslider25;

    IBOutlet NSSlider* xpslider31;

    IBOutlet NSSlider* xpslider32;

    IBOutlet NSSlider* xpslider33;

    IBOutlet NSSlider* xpslider34;

    IBOutlet NSSlider* xpslider35;

    IBOutlet NSSlider* xpslider41;

    IBOutlet NSSlider* xpslider42;

    IBOutlet NSSlider* xpslider43;

    IBOutlet NSSlider* xpslider44;

    IBOutlet NSSlider* xpslider45;

    NSTimer* mTimer;

    SynthData d;

    Boolean isPlaying;

    Boolean automate;

    int automatePhase;

}

- (void)awakeFromNib;

- (void)initializeGraph;

- (void)doTimer: (NSTimer*) timer;

- (IBAction)play:(id)sender;

- (IBAction)setInputVolume:(id)sender;

- (IBAction)setMasterVolume:(id)sender;

- (IBAction)setMatrixVolume:(id)sender;

- (IBAction)setOutputVolume:(id)sender;

- (IBAction)stop:(id)sender;

- (IBAction)enableInput:(id)sender;

- (IBAction)enableOutput:(id)sender;

- (IBAction)addFile:(id)sender;

- (IBAction)automateOn:(id)sender;

- (IBAction)automateOff:(id)sender;

@end