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work in progress, trying to get rid of AudioKit
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‎native/app/Embedded/eqMac.driver/Contents/MacOS/eqMac‎

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‎native/app/Frameworks/AudioKit.framework/AudioKit‎

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Versions/Current/AudioKit

‎native/app/Frameworks/AudioKit.framework/Headers‎

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Versions/Current/Headers

‎native/app/Frameworks/AudioKit.framework/Modules‎

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Versions/Current/Modules

‎native/app/Frameworks/AudioKit.framework/Resources‎

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Versions/Current/Resources

‎native/app/Frameworks/AudioKit.framework/Versions/A/AudioKit‎

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‎native/app/Frameworks/AudioKit.framework/Versions/A/Headers/AKAmplitudeEnvelopeDSP.hpp‎

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//
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// AKAmplitudeEnvelopeDSP.hpp
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// AudioKit
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//
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// Created by Aurelius Prochazka, revision history on Github.
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// Copyright © 2018 AudioKit. All rights reserved.
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//
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#pragma once
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#import <AVFoundation/AVFoundation.h>
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typedef NS_ENUM(AUParameterAddress, AKAmplitudeEnvelopeParameter) {
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AKAmplitudeEnvelopeParameterAttackDuration,
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AKAmplitudeEnvelopeParameterDecayDuration,
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AKAmplitudeEnvelopeParameterSustainLevel,
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AKAmplitudeEnvelopeParameterReleaseDuration,
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AKAmplitudeEnvelopeParameterRampDuration
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};
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#import "AKLinearParameterRamp.hpp" // have to put this here to get it included in umbrella header
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#ifndef __cplusplus
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AKDSPRef createAmplitudeEnvelopeDSP(int channelCount, double sampleRate);
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#else
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#import "AKSoundpipeDSPBase.hpp"
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class AKAmplitudeEnvelopeDSP : public AKSoundpipeDSPBase {
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sp_adsr *_adsr;
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private:
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float internalGate = 0;
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float amp = 0;
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AKLinearParameterRamp attackDurationRamp;
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AKLinearParameterRamp decayDurationRamp;
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AKLinearParameterRamp sustainLevelRamp;
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AKLinearParameterRamp releaseDurationRamp;
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public:
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AKAmplitudeEnvelopeDSP() {
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attackDurationRamp.setTarget(0.1, true);
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attackDurationRamp.setDurationInSamples(10000);
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decayDurationRamp.setTarget(0.1, true);
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decayDurationRamp.setDurationInSamples(10000);
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sustainLevelRamp.setTarget(1.0, true);
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sustainLevelRamp.setDurationInSamples(10000);
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releaseDurationRamp.setTarget(0.1, true);
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releaseDurationRamp.setDurationInSamples(10000);
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}
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/// Uses the ParameterAddress as a key
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void setParameter(AUParameterAddress address, float value, bool immediate) override {
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switch (address) {
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case AKAmplitudeEnvelopeParameterAttackDuration:
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attackDurationRamp.setTarget(value, immediate);
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break;
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case AKAmplitudeEnvelopeParameterDecayDuration:
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decayDurationRamp.setTarget(value, immediate);
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break;
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case AKAmplitudeEnvelopeParameterSustainLevel:
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sustainLevelRamp.setTarget(value, immediate);
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break;
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case AKAmplitudeEnvelopeParameterReleaseDuration:
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releaseDurationRamp.setTarget(value, immediate);
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break;
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case AKAmplitudeEnvelopeParameterRampDuration:
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attackDurationRamp.setRampDuration(value, sampleRate);
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decayDurationRamp.setRampDuration(value, sampleRate);
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sustainLevelRamp.setRampDuration(value, sampleRate);
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releaseDurationRamp.setRampDuration(value, sampleRate);
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break;
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}
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}
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/// Uses the ParameterAddress as a key
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float getParameter(AUParameterAddress address) override {
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switch (address) {
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case AKAmplitudeEnvelopeParameterAttackDuration:
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return attackDurationRamp.getTarget();
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case AKAmplitudeEnvelopeParameterDecayDuration:
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return decayDurationRamp.getTarget();
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case AKAmplitudeEnvelopeParameterSustainLevel:
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return sustainLevelRamp.getTarget();
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case AKAmplitudeEnvelopeParameterReleaseDuration:
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return releaseDurationRamp.getTarget();
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case AKAmplitudeEnvelopeParameterRampDuration:
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return attackDurationRamp.getRampDuration(sampleRate);
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return decayDurationRamp.getRampDuration(sampleRate);
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return sustainLevelRamp.getRampDuration(sampleRate);
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return releaseDurationRamp.getRampDuration(sampleRate);
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}
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return 0;
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}
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void init(int channelCount, double sampleRate) override {
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AKSoundpipeDSPBase::init(channelCount, sampleRate);
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sp_adsr_create(&_adsr);
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}
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void start() override {
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internalGate = 1;
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isStarted = true;
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}
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void stop() override {
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internalGate = 0;
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isStarted = false;
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}
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void deinit() override {
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sp_adsr_destroy(&_adsr);
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}
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void reset() override {
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sp_adsr_init(sp, _adsr);
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_adsr->atk = 0.1;
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_adsr->dec = 0.1;
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_adsr->sus = 1.0;
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_adsr->rel = 0.1;
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}
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void process(uint32_t frameCount, uint32_t bufferOffset) override {
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for (int frameIndex = 0; frameIndex < frameCount; ++frameIndex) {
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int frameOffset = int(frameIndex + bufferOffset);
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// do ramping every 8 samples
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if ((frameOffset & 0x7) == 0) {
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attackDurationRamp.advanceTo(now + frameOffset);
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decayDurationRamp.advanceTo(now + frameOffset);
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sustainLevelRamp.advanceTo(now + frameOffset);
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releaseDurationRamp.advanceTo(now + frameOffset);
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}
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_adsr->atk = attackDurationRamp.getValue();
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_adsr->dec = decayDurationRamp.getValue();
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_adsr->sus = sustainLevelRamp.getValue();
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_adsr->rel = releaseDurationRamp.getValue();
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sp_adsr_compute(sp, _adsr, &internalGate, &amp);
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for (int channel = 0; channel < channelCount; ++channel) {
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float *in = (float *)inBufferListPtr->mBuffers[channel].mData + frameOffset;
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float *out = (float *)outBufferListPtr->mBuffers[channel].mData + frameOffset;
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*out = *in * amp;
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}
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}
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}
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};
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#endif

‎native/app/Frameworks/AudioKit.framework/Versions/A/Headers/AKAmplitudeTrackerAudioUnit.h‎

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//
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// AKAmplitudeTrackerAudioUnit.h
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// AudioKit
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//
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// Created by Aurelius Prochazka, revision history on Github.
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// Copyright © 2018 AudioKit. All rights reserved.
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//
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#pragma once
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#import "AKAudioUnit.h"
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typedef void (^AKThresholdCallback)(BOOL);
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@interface AKAmplitudeTrackerAudioUnit : AKAudioUnit
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@property (readonly) float leftAmplitude;
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@property (readonly) float rightAmplitude;
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@property (nonatomic) float threshold;
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@property (nonatomic) int mode;
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//@property (nonatomic) float smoothness; //in development
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@property (nonatomic) AKThresholdCallback thresholdCallback;
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- (void)setHalfPowerPoint:(float)halfPowerPoint;
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- (void)setMode:(int)mode;
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@end
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‎native/app/Frameworks/AudioKit.framework/Versions/A/Headers/AKAudioUnit.h‎

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//
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// AKAudioUnit.h
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// AudioKit
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//
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// Created by Aurelius Prochazka, revision history on Github.
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// Copyright © 2018 AudioKit. All rights reserved.
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//
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#import <AVFoundation/AVFoundation.h>
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@protocol AKKernelUnit
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-(AUImplementorValueProvider _Null_unspecified)getter;
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-(AUImplementorValueObserver _Null_unspecified)setter;
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@end
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@interface AKAudioUnit : AUAudioUnit<AKKernelUnit>
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@property AUAudioUnitBus * _Nonnull outputBus;
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@property AUAudioUnitBusArray * _Nonnull inputBusArray;
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@property AUAudioUnitBusArray * _Nonnull outputBusArray;
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@property AVAudioFormat * _Nonnull defaultFormat;
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- (void)start;
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- (void)stop;
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@property (readonly) BOOL isPlaying;
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@property (readonly) BOOL isSetUp;
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@property double rampDuration;
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-(AUImplementorValueProvider _Null_unspecified)getter;
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-(AUImplementorValueObserver _Null_unspecified)setter;
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@end
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//@protocol AUParameterCollection
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//- (AUValue)objectAtIndexedSubscript:(AUParameter *)idx;
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//- (void)setObject:(AUValue)obj atIndexedSubscript:(AUParameter *)idx;
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//@end
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@interface AUParameter(Ext)
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//-(_Nonnull instancetype)init:(NSString * _Nonnull)identifier
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// name:(NSString * _Nonnull)name
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// address:(AUParameterAddress)address
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// min:(AUValue)min
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// max:(AUValue)max
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// unit:(AudioUnitParameterUnit)unit
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// flags:(AudioUnitParameterOptions)flags;
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+(_Nonnull instancetype)parameterWithIdentifier:(NSString * _Nonnull)identifier
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name:(NSString * _Nonnull)name
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address:(AUParameterAddress)address
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min:(AUValue)min
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max:(AUValue)max
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unit:(AudioUnitParameterUnit)unit
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flags:(AudioUnitParameterOptions)flags;
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+(_Nonnull instancetype)parameterWithIdentifier:(NSString * _Nonnull)identifier
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name:(NSString * _Nonnull)name
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address:(AUParameterAddress)address
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min:(AUValue)min
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max:(AUValue)max
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unit:(AudioUnitParameterUnit)unit;
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//+(_Nonnull instancetype)frequency:(NSString * _Nonnull)identifier
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// name:(NSString * _Nonnull)name
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// address:(AUParameterAddress)address;
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@end
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@interface AUParameterTree(Ext)
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+(_Nonnull instancetype)treeWithChildren:(NSArray<AUParameter *> * _Nonnull)children;
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@end
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//@interface AVAudioNode(Ext)
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//-(instancetype)initWithComponent:(AudioComponentDescription)component;
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//@end
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#define standardKernelPassthroughs() \
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- (void)start { _kernel.start(); } \
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- (void)stop { _kernel.stop(); } \
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- (BOOL)isPlaying { return _kernel.started; } \
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- (BOOL)isSetUp { return _kernel.resetted; } \
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- (void)setShouldBypassEffect:(BOOL)shouldBypassEffect { \
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if (shouldBypassEffect) {\
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_kernel.stop();\
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} else {\
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_kernel.start();\
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}\
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}\
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#define standardSetup(str) \
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self.rampDuration = AKSettings.rampDuration; \
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self.defaultFormat = [[AVAudioFormat alloc] initStandardFormatWithSampleRate:AKSettings.sampleRate \
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channels:AKSettings.channelCount]; \
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_kernel.init(self.defaultFormat.channelCount, self.defaultFormat.sampleRate); \
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_inputBus.init(self.defaultFormat, 8); \
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self.inputBusArray = [[AUAudioUnitBusArray alloc] initWithAudioUnit:self \
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busType:AUAudioUnitBusTypeInput \
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busses:@[_inputBus.bus]];
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#define standardGeneratorSetup(str) \
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self.rampDuration = AKSettings.rampDuration; \
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self.defaultFormat = [[AVAudioFormat alloc] initStandardFormatWithSampleRate:AKSettings.sampleRate \
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channels:AKSettings.channelCount]; \
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_kernel.init(self.defaultFormat.channelCount, self.defaultFormat.sampleRate); \
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_outputBusBuffer.init(self.defaultFormat, 2); \
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self.outputBus = _outputBusBuffer.bus; \
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self.outputBusArray = [[AUAudioUnitBusArray alloc] initWithAudioUnit:self \
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busType:AUAudioUnitBusTypeOutput \
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busses:@[self.outputBus]];
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#define parameterTreeBlock(str) \
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__block AK##str##DSPKernel *blockKernel = &_kernel; \
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self.parameterTree.implementorValueObserver = ^(AUParameter *param, AUValue value) { \
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blockKernel->setParameter(param.address, value); \
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}; \
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self.parameterTree.implementorValueProvider = ^(AUParameter *param) { \
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return blockKernel->getParameter(param.address); \
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};
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#define AUAudioUnitOverrides(str) \
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\
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- (BOOL)allocateRenderResourcesAndReturnError:(NSError **)outError { \
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if (![super allocateRenderResourcesAndReturnError:outError]) { \
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return NO; \
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} \
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if (self.outputBus.format.channelCount != _inputBus.bus.format.channelCount) { \
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if (outError) { \
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*outError = [NSError errorWithDomain:NSOSStatusErrorDomain \
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code:kAudioUnitErr_FailedInitialization \
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userInfo:nil]; \
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} \
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self.renderResourcesAllocated = NO; \
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return NO; \
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} \
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_inputBus.allocateRenderResources(self.maximumFramesToRender); \
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_kernel.init(self.outputBus.format.channelCount, self.outputBus.format.sampleRate); \
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_kernel.reset(); \
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return YES; \
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} \
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\
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- (void)deallocateRenderResources { \
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[super deallocateRenderResources]; \
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_kernel.destroy(); \
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_inputBus.deallocateRenderResources(); \
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} \
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\
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- (AUInternalRenderBlock)internalRenderBlock { \
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__block AK##str##DSPKernel *state = &_kernel; \
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__block BufferedInputBus *input = &_inputBus; \
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return ^AUAudioUnitStatus( \
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AudioUnitRenderActionFlags *actionFlags, \
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const AudioTimeStamp *timestamp, \
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AVAudioFrameCount frameCount, \
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NSInteger outputBusNumber, \
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AudioBufferList *outputData, \
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const AURenderEvent *realtimeEventListHead, \
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AURenderPullInputBlock pullInputBlock) { \
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AudioUnitRenderActionFlags pullFlags = 0; \
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AUAudioUnitStatus err = input->pullInput(&pullFlags, timestamp, frameCount, 0, pullInputBlock); \
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if (err != 0) { \
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return err; \
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} \
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AudioBufferList *inAudioBufferList = input->mutableAudioBufferList; \
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AudioBufferList *outAudioBufferList = outputData; \
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if (outAudioBufferList->mBuffers[0].mData == nullptr) { \
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for (UInt32 i = 0; i < outAudioBufferList->mNumberBuffers; ++i) { \
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outAudioBufferList->mBuffers[i].mData = inAudioBufferList->mBuffers[i].mData; \
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} \
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} \
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state->setBuffers(inAudioBufferList, outAudioBufferList); \
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state->processWithEvents(timestamp, frameCount, realtimeEventListHead); \
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return noErr; \
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}; \
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}
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#define AUAudioUnitGeneratorOverrides(str) \
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\
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- (BOOL)allocateRenderResourcesAndReturnError:(NSError **)outError { \
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if (![super allocateRenderResourcesAndReturnError:outError]) { \
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return NO; \
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} \
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_outputBusBuffer.allocateRenderResources(self.maximumFramesToRender); \
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_kernel.init(self.outputBus.format.channelCount, self.outputBus.format.sampleRate); \
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_kernel.reset(); \
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return YES; \
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} \
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\
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- (void)deallocateRenderResources { \
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_outputBusBuffer.deallocateRenderResources(); \
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[super deallocateRenderResources]; \
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} \
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\
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- (AUInternalRenderBlock)internalRenderBlock { \
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__block AK##str##DSPKernel *state = &_kernel; \
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return ^AUAudioUnitStatus( \
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AudioUnitRenderActionFlags *actionFlags, \
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const AudioTimeStamp *timestamp, \
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AVAudioFrameCount frameCount, \
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NSInteger outputBusNumber, \
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AudioBufferList *outputData, \
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const AURenderEvent *realtimeEventListHead, \
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AURenderPullInputBlock pullInputBlock) { \
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_outputBusBuffer.prepareOutputBufferList(outputData, frameCount, true); \
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state->setBuffer(outputData); \
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state->processWithEvents(timestamp, frameCount, realtimeEventListHead); \
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return noErr; \
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}; \
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}

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