/*
* File: Ditherbox.h
*
* Version: 1.0
*
* Created: 1/1/09
*
* Copyright: Copyright � 2009 Airwindows, All Rights Reserved
*
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#include "AUEffectBase.h"
#include "DitherboxVersion.h"
#if AU_DEBUG_DISPATCHER
#include "AUDebugDispatcher.h"
#endif
#ifndef __Ditherbox_h__
#define __Ditherbox_h__
#pragma mark ____Ditherbox Parameters
// parameters
static CFStringRef kParameterOneName = CFSTR("Dither Type");
static const int kTruncate = 1;
static const int kFlat = 2;
static const int kTPDF = 3;
static const int kPaul = 4;
static const int kDoublePaul = 5;
static const int kTape = 6;
static const int kQuadratic = 7;
static const int kTenNines = 8;
static const int kContingent = 9;
static const int kNaturalize = 10;
static const int kNJAD = 11;
static const int kTruncateHR = 12;
static const int kFlatHR = 13;
static const int kTPDFHR = 14;
static const int kPaulHR = 15;
static const int kDoublePaulHR = 16;
static const int kTapeHR = 17;
static const int kQuadraticHR = 18;
static const int kTenNinesHR = 19;
static const int kContingentHR = 20;
static const int kNaturalizeHR = 21;
static const int kNJADHR = 22;
static const int kSlewOnly = 23;
static const int kSubsOnly = 24;
static const int kSilhouette = 25;
static const int kDefaultValue_ParamOne = 22;
static CFStringRef kMenuItem_Truncate = CFSTR ("16 Bit Truncation");
static CFStringRef kMenuItem_Flat = CFSTR ("16 bit Flat Dither");
static CFStringRef kMenuItem_TPDF = CFSTR ("16 bit TPDF Dither");
static CFStringRef kMenuItem_Paul = CFSTR ("16 bit Paul Dither");
static CFStringRef kMenuItem_DoublePaul = CFSTR ("16 bit DoublePaul Dither");
static CFStringRef kMenuItem_Tape = CFSTR ("16 bit Tape Dither");
static CFStringRef kMenuItem_Quadratic = CFSTR ("16 bit High Gloss Dither");
static CFStringRef kMenuItem_TenNines = CFSTR ("16 bit Vinyl Dither");
static CFStringRef kMenuItem_Contingent = CFSTR ("16 bit Spatialize Dither");
static CFStringRef kMenuItem_Naturalize = CFSTR ("16 bit Naturalize Dither");
static CFStringRef kMenuItem_NJAD = CFSTR ("16 bit Not Just Another Dither");
static CFStringRef kMenuItem_TruncateHR = CFSTR ("24 bit Truncation");
static CFStringRef kMenuItem_FlatHR = CFSTR ("24 bit Flat Dither");
static CFStringRef kMenuItem_TPDFHR = CFSTR ("24 bit TPDF Dither");
static CFStringRef kMenuItem_PaulHR = CFSTR ("24 bit Paul Dither");
static CFStringRef kMenuItem_DoublePaulHR = CFSTR ("24 bit DoublePaul Dither");
static CFStringRef kMenuItem_TapeHR = CFSTR ("24 bit Tape Dither");
static CFStringRef kMenuItem_QuadraticHR = CFSTR ("24 bit High Gloss Dither");
static CFStringRef kMenuItem_TenNinesHR = CFSTR ("24 bit Vinyl Dither");
static CFStringRef kMenuItem_ContingentHR = CFSTR ("24 bit Spatialize Dither");
static CFStringRef kMenuItem_NaturalizeHR = CFSTR ("24 bit Naturalize Dither");
static CFStringRef kMenuItem_NJADHR = CFSTR ("24 bit Not Just Another Dither");
static CFStringRef kMenuItem_SlewOnly = CFSTR ("Slew Only Monitoring");
static CFStringRef kMenuItem_SubsOnly = CFSTR ("Subs Only Monitoring");
static CFStringRef kMenuItem_Silhouette = CFSTR ("Noise Silhouette Monitoring");
enum {
kParam_One = 0,
//Add your parameters here...
kNumberOfParameters=1
};
#pragma mark ____Ditherbox
class Ditherbox : public AUEffectBase
{
public:
Ditherbox(AudioUnit component);
#if AU_DEBUG_DISPATCHER
virtual ~Ditherbox () { delete mDebugDispatcher; }
#endif
virtual AUKernelBase * NewKernel() { return new DitherboxKernel(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()*1.0;}
virtual Float64 GetLatency() {return 0.0;}
/*! @method Version */
virtual ComponentResult Version() { return kDitherboxVersion; }
protected:
class DitherboxKernel : public AUKernelBase // most of the real work happens here
{
public:
DitherboxKernel(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:
long double byn[13];
long double noiseShaping;
long double contingentErr;
double currentDither;
long double NSOdd;
long double NSEven;
long double prev;
long double ns[16];
int Position;
bool flip;
long double lastSample;
long double outSample;
long double iirSampleA;
long double iirSampleB;
long double iirSampleC;
long double iirSampleD;
long double iirSampleE;
long double iirSampleF;
long double iirSampleG;
long double iirSampleH;
long double iirSampleI;
long double iirSampleJ;
long double iirSampleK;
long double iirSampleL;
long double iirSampleM;
long double iirSampleN;
long double iirSampleO;
long double iirSampleP;
long double iirSampleQ;
long double iirSampleR;
long double iirSampleS;
long double iirSampleT;
long double iirSampleU;
long double iirSampleV;
long double iirSampleW;
long double iirSampleX;
long double iirSampleY;
long double iirSampleZ;
};
};
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#endif
