airwindows/plugins/MacAU/SpatializeDither/SpatializeDither.h

/*
*	File:		SpatializeDither.h
*	
*	Version:	1.0
* 
*	Created:	11/17/16
*	
*	Copyright:  Copyright <20> 2016 Airwindows, Airwindows uses the MIT license
* 
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#include "AUEffectBase.h"
#include "SpatializeDitherVersion.h"

#if AU_DEBUG_DISPATCHER
	#include "AUDebugDispatcher.h"
#endif


#ifndef __SpatializeDither_h__
#define __SpatializeDither_h__


#pragma mark ____SpatializeDither Parameters

// parameters
static CFStringRef kParameterOneName = CFSTR("Quantizer");
static const int kCD = 0;
static const int kHD = 1;
static const int kDefaultValue_ParamOne = kHD;
static CFStringRef kMenuItem_CD = CFSTR ("CD 16 bit");
static CFStringRef kMenuItem_HD = CFSTR ("HD 24 bit");

static CFStringRef kParameterTwoName = CFSTR("DeRez");
static const float kDefaultValue_ParamTwo = 0.0;

enum {
	kParam_One = 0,
	kParam_Two = 1,
	//Add your parameters here...
	kNumberOfParameters=2
};

#pragma mark ____SpatializeDither
class SpatializeDither : public AUEffectBase
{
public:
	SpatializeDither(AudioUnit component);
#if AU_DEBUG_DISPATCHER
	virtual ~SpatializeDither () { delete mDebugDispatcher; }
#endif
	
	virtual AUKernelBase *		NewKernel() { return new SpatializeDitherKernel(this); }
	
	virtual	ComponentResult		GetParameterValueStrings(AudioUnitScope			inScope,
														 AudioUnitParameterID		inParameterID,
														 CFArrayRef *			outStrings);
    
	virtual	ComponentResult		GetParameterInfo(AudioUnitScope			inScope,
												 AudioUnitParameterID	inParameterID,
												 AudioUnitParameterInfo	&outParameterInfo);
    
	virtual ComponentResult		GetPropertyInfo(AudioUnitPropertyID		inID,
												AudioUnitScope			inScope,
												AudioUnitElement		inElement,
												UInt32 &			outDataSize,
												Boolean	&			outWritable );
	
	virtual ComponentResult		GetProperty(AudioUnitPropertyID inID,
											AudioUnitScope 		inScope,
											AudioUnitElement 		inElement,
											void *			outData);
	
	virtual ComponentResult    Initialize();
	virtual bool				SupportsTail () { return true; }
    virtual Float64				GetTailTime() {return (1.0/GetSampleRate())*0.0;} //in SECONDS! gsr * a number = in samples
    virtual Float64				GetLatency() {return (1.0/GetSampleRate())*0.0;}	// in SECONDS! gsr * a number = in samples
	
	/*! @method Version */
	virtual ComponentResult		Version() { return kSpatializeDitherVersion; }
	
    
	
protected:
		class SpatializeDitherKernel : public AUKernelBase		// most of the real work happens here
	{
public:
		SpatializeDitherKernel(AUEffectBase *inAudioUnit )
		: AUKernelBase(inAudioUnit)
	{
	}
		
		// *Required* overides for the process method for this effect
		// processes one channel of interleaved samples
        virtual void 		Process(	const Float32 	*inSourceP,
										Float32		 	*inDestP,
										UInt32 			inFramesToProcess,
										UInt32			inNumChannels,
										bool			&ioSilence);
		
        virtual void		Reset();
		
		private: 
		Float64 contingentErr;
		bool flip;
		uint32_t fpd;
	};
};

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


#endif