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airwindows/plugins/MacSignedAU/PunchyDeluxe/PunchyDeluxe.cpp
Christopher Johnson 2335148573 BezEQ3
2026-05-09 20:09:00 -04:00

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/*
* File: PunchyDeluxe.cpp
*
* Version: 1.0
*
* Created: 6/6/25
*
* Copyright: Copyright © 2025 Airwindows, Airwindows uses the MIT license
*
* Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc. ("Apple") in
* consideration of your agreement to the following terms, and your use, installation, modification
* or redistribution of this Apple software constitutes acceptance of these terms. If you do
* not agree with these terms, please do not use, install, modify or redistribute this Apple
* software.
*
* In consideration of your agreement to abide by the following terms, and subject to these terms,
* Apple grants you a personal, non-exclusive license, under Apple's copyrights in this
* original Apple software (the "Apple Software"), to use, reproduce, modify and redistribute the
* Apple Software, with or without modifications, in source and/or binary forms; provided that if you
* redistribute the Apple Software in its entirety and without modifications, you must retain this
* notice and the following text and disclaimers in all such redistributions of the Apple Software.
* Neither the name, trademarks, service marks or logos of Apple Computer, Inc. may be used to
* endorse or promote products derived from the Apple Software without specific prior written
* permission from Apple. Except as expressly stated in this notice, no other rights or
* licenses, express or implied, are granted by Apple herein, including but not limited to any
* patent rights that may be infringed by your derivative works or by other works in which the
* Apple Software may be incorporated.
*
* The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO WARRANTIES, EXPRESS OR
* IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE
* OR IN COMBINATION WITH YOUR PRODUCTS.
*
* IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE,
* REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER
* UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN
* IF APPLE HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
/*=============================================================================
PunchyDeluxe.cpp
=============================================================================*/
#include "PunchyDeluxe.h"
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
AUDIOCOMPONENT_ENTRY(AUBaseFactory, PunchyDeluxe)
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// PunchyDeluxe::PunchyDeluxe
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
PunchyDeluxe::PunchyDeluxe(AudioUnit component)
: AUEffectBase(component)
{
CreateElements();
Globals()->UseIndexedParameters(kNumberOfParameters);
SetParameter(kParam_A, kDefaultValue_ParamA );
SetParameter(kParam_B, kDefaultValue_ParamB );
SetParameter(kParam_C, kDefaultValue_ParamC );
SetParameter(kParam_D, kDefaultValue_ParamD );
SetParameter(kParam_E, kDefaultValue_ParamE );
SetParameter(kParam_F, kDefaultValue_ParamF );
SetParameter(kParam_G, kDefaultValue_ParamG );
SetParameter(kParam_H, kDefaultValue_ParamH );
SetParameter(kParam_I, kDefaultValue_ParamI );
SetParameter(kParam_J, kDefaultValue_ParamJ );
#if AU_DEBUG_DISPATCHER
mDebugDispatcher = new AUDebugDispatcher (this);
#endif
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// PunchyDeluxe::GetParameterValueStrings
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ComponentResult PunchyDeluxe::GetParameterValueStrings(AudioUnitScope inScope,
AudioUnitParameterID inParameterID,
CFArrayRef * outStrings)
{
return kAudioUnitErr_InvalidProperty;
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// PunchyDeluxe::GetParameterInfo
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ComponentResult PunchyDeluxe::GetParameterInfo(AudioUnitScope inScope,
AudioUnitParameterID inParameterID,
AudioUnitParameterInfo &outParameterInfo )
{
ComponentResult result = noErr;
outParameterInfo.flags = kAudioUnitParameterFlag_IsWritable
| kAudioUnitParameterFlag_IsReadable;
if (inScope == kAudioUnitScope_Global) {
switch(inParameterID)
{
case kParam_A:
AUBase::FillInParameterName (outParameterInfo, kParameterAName, false);
outParameterInfo.unit = kAudioUnitParameterUnit_Generic;
outParameterInfo.minValue = 0.0;
outParameterInfo.maxValue = 1.0;
outParameterInfo.defaultValue = kDefaultValue_ParamA;
break;
case kParam_B:
AUBase::FillInParameterName (outParameterInfo, kParameterBName, false);
outParameterInfo.unit = kAudioUnitParameterUnit_Generic;
outParameterInfo.minValue = 0.0;
outParameterInfo.maxValue = 1.0;
outParameterInfo.defaultValue = kDefaultValue_ParamB;
break;
case kParam_C:
AUBase::FillInParameterName (outParameterInfo, kParameterCName, false);
outParameterInfo.unit = kAudioUnitParameterUnit_Generic;
outParameterInfo.minValue = 0.0;
outParameterInfo.maxValue = 1.0;
outParameterInfo.defaultValue = kDefaultValue_ParamC;
break;
case kParam_D:
AUBase::FillInParameterName (outParameterInfo, kParameterDName, false);
outParameterInfo.unit = kAudioUnitParameterUnit_Generic;
outParameterInfo.minValue = 0.0;
outParameterInfo.maxValue = 1.0;
outParameterInfo.defaultValue = kDefaultValue_ParamD;
break;
case kParam_E:
AUBase::FillInParameterName (outParameterInfo, kParameterEName, false);
outParameterInfo.unit = kAudioUnitParameterUnit_Generic;
outParameterInfo.minValue = 0.0;
outParameterInfo.maxValue = 1.0;
outParameterInfo.defaultValue = kDefaultValue_ParamE;
break;
case kParam_F:
AUBase::FillInParameterName (outParameterInfo, kParameterFName, false);
outParameterInfo.unit = kAudioUnitParameterUnit_Generic;
outParameterInfo.minValue = 0.0;
outParameterInfo.maxValue = 1.0;
outParameterInfo.defaultValue = kDefaultValue_ParamF;
break;
case kParam_G:
AUBase::FillInParameterName (outParameterInfo, kParameterGName, false);
outParameterInfo.unit = kAudioUnitParameterUnit_Generic;
outParameterInfo.minValue = 0.0;
outParameterInfo.maxValue = 1.0;
outParameterInfo.defaultValue = kDefaultValue_ParamG;
break;
case kParam_H:
AUBase::FillInParameterName (outParameterInfo, kParameterHName, false);
outParameterInfo.unit = kAudioUnitParameterUnit_Generic;
outParameterInfo.minValue = 0.0;
outParameterInfo.maxValue = 1.0;
outParameterInfo.defaultValue = kDefaultValue_ParamH;
break;
case kParam_I:
AUBase::FillInParameterName (outParameterInfo, kParameterIName, false);
outParameterInfo.unit = kAudioUnitParameterUnit_Generic;
outParameterInfo.minValue = 0.0;
outParameterInfo.maxValue = 1.0;
outParameterInfo.defaultValue = kDefaultValue_ParamI;
break;
case kParam_J:
AUBase::FillInParameterName (outParameterInfo, kParameterJName, false);
outParameterInfo.unit = kAudioUnitParameterUnit_Generic;
outParameterInfo.minValue = 0.0;
outParameterInfo.maxValue = 1.0;
outParameterInfo.defaultValue = kDefaultValue_ParamJ;
break;
default:
result = kAudioUnitErr_InvalidParameter;
break;
}
} else {
result = kAudioUnitErr_InvalidParameter;
}
return result;
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// PunchyDeluxe::GetPropertyInfo
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ComponentResult PunchyDeluxe::GetPropertyInfo (AudioUnitPropertyID inID,
AudioUnitScope inScope,
AudioUnitElement inElement,
UInt32 & outDataSize,
Boolean & outWritable)
{
return AUEffectBase::GetPropertyInfo (inID, inScope, inElement, outDataSize, outWritable);
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// PunchyDeluxe::GetProperty
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ComponentResult PunchyDeluxe::GetProperty( AudioUnitPropertyID inID,
AudioUnitScope inScope,
AudioUnitElement inElement,
void * outData )
{
return AUEffectBase::GetProperty (inID, inScope, inElement, outData);
}
// PunchyDeluxe::Initialize
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ComponentResult PunchyDeluxe::Initialize()
{
ComponentResult result = AUEffectBase::Initialize();
if (result == noErr)
Reset(kAudioUnitScope_Global, 0);
return result;
}
#pragma mark ____PunchyDeluxeEffectKernel
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// PunchyDeluxe::PunchyDeluxeKernel::Reset()
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
void PunchyDeluxe::PunchyDeluxeKernel::Reset()
{
for(int x=0; x<17; x++) {
for(int y=0; y<14; y++) {
angS[x][y] = 0.0;angA[x][y] = 0.0;
}
}
for(int y=0; y<14; y++) angG[y] = 0.0;
fpd = 1.0; while (fpd < 16386) fpd = rand()*UINT32_MAX;
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// PunchyDeluxe::PunchyDeluxeKernel::Process
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
void PunchyDeluxe::PunchyDeluxeKernel::Process( const Float32 *inSourceP,
Float32 *inDestP,
UInt32 inFramesToProcess,
UInt32 inNumChannels,
bool &ioSilence )
{
UInt32 nSampleFrames = inFramesToProcess;
const Float32 *sourceP = inSourceP;
Float32 *destP = inDestP;
double overallscale = 1.0;
overallscale /= 44100.0;
overallscale *= GetSampleRate();
double drive = 1.0;
double pad = 1.0;
angG[1] = sqrt(GetParameter( kParam_A )*2.0);
if (pad > angG[1]) pad = angG[1];
if (drive < angG[1]) drive = angG[1];
angG[0] = (1.0+angG[1])*0.5; //if boost, boost half
if (angG[0] > angG[1]) angG[0] = angG[1];
angG[2] = sqrt(GetParameter( kParam_B )*2.0);
if (pad > angG[2]) pad = angG[2];
if (drive < angG[2]) drive = angG[2];
angG[3] = sqrt(GetParameter( kParam_C )*2.0);
if (pad > angG[3]) pad = angG[3];
if (drive < angG[3]) drive = angG[3];
angG[4] = sqrt(GetParameter( kParam_D )*2.0);
if (pad > angG[4]) pad = angG[4];
if (drive < angG[4]) drive = angG[4];
angG[5] = sqrt(GetParameter( kParam_E )*2.0);
if (pad > angG[5]) pad = angG[5];
if (drive < angG[5]) drive = angG[5];
angG[6] = sqrt(GetParameter( kParam_F )*2.0);
if (pad > angG[6]) pad = angG[6];
if (drive < angG[6]) drive = angG[6];
angG[7] = sqrt(GetParameter( kParam_G )*2.0);
if (pad > angG[7]) pad = angG[7];
if (drive < angG[7]) drive = angG[7];
angG[8] = sqrt(GetParameter( kParam_H )*2.0);
if (pad > angG[8]) pad = angG[8];
if (drive < angG[8]) drive = angG[8];
angG[9] = sqrt(GetParameter( kParam_I )*2.0);
if (pad > angG[9]) pad = angG[9];
if (drive < angG[9]) drive = angG[9];
angG[10] = sqrt(GetParameter( kParam_J )*2.0);
if (pad > angG[10]) pad = angG[10];
if (drive < angG[10]) drive = angG[10];
angG[11] = 1.0;
angG[12] = 1.0;
pad = sqrt(pad);
int poles = (int)(drive*11.0);
double tune = 0.618+(overallscale*0.0055);
while (nSampleFrames-- > 0) {
double inputSample = *sourceP;
if (fabs(inputSample)<1.18e-23) inputSample = fpd * 1.18e-17;
for (int x = 0; x < poles; x++) {
double fr = (0.92/overallscale)+(overallscale*0.01);
double band = inputSample; inputSample = 0.0;
for (int y = 0; y < 12; y++) {
angA[x][y] = (angA[x][y]*(1.0-fr)) + ((band-angS[x][y])*fr);
double temp = band; band = ((angS[x][y]+(angA[x][y]*fr)) * (1.0-fr))+(band*fr);
angS[x][y] = ((angS[x][y]+(angA[x][y]*fr)) * (1.0-fr))+(band*fr);
inputSample += ((temp-band)*angG[y]);
fr *= tune;
}
inputSample += band;
inputSample *= drive;
inputSample = fmin(fmax(inputSample,-M_PI_2),M_PI_2);
long double X = inputSample; X *= X; //long double for even
long double temp = inputSample * X; //the initial multiplies
inputSample -= temp*0.16666666666666666666666666666666666; temp *= X;
inputSample += temp*0.00833333333333333333333333333333333; temp *= X;
inputSample -= temp*0.00019841269841269841269841269841269; temp *= X;
inputSample += temp*0.00000275573192239858906525573192239; temp *= X;
inputSample -= temp*0.00000002505210838544171877521083854; temp *= X;
inputSample += temp*0.00000000016059043836821614599392377; temp *= X;
inputSample -= temp*0.00000000000076471637318198164759011; temp *= X;
inputSample += temp*0.00000000000000281145725434552076319; temp *= X;
inputSample -= temp*0.00000000000000000822063524662432971; temp *= X;
inputSample += temp*0.00000000000000000001957294106339126;
//retain mantissa of a long double increasing power function
//long double probably doesn't handle more than 36 digits or so
}
if (pad < 1.0) {
inputSample *= pad;
}
inputSample = fmin(fmax(inputSample,-M_PI_2),M_PI_2);
long double X = inputSample; X *= X; //long double for even
long double temp = inputSample * X; //the initial multiplies
inputSample -= temp*0.16666666666666666666666666666666666; temp *= X;
inputSample += temp*0.00833333333333333333333333333333333; temp *= X;
inputSample -= temp*0.00019841269841269841269841269841269; temp *= X;
inputSample += temp*0.00000275573192239858906525573192239; temp *= X;
inputSample -= temp*0.00000002505210838544171877521083854; temp *= X;
inputSample += temp*0.00000000016059043836821614599392377; temp *= X;
inputSample -= temp*0.00000000000076471637318198164759011; temp *= X;
inputSample += temp*0.00000000000000281145725434552076319; temp *= X;
inputSample -= temp*0.00000000000000000822063524662432971; temp *= X;
inputSample += temp*0.00000000000000000001957294106339126;
//retain mantissa of a long double increasing power function
//long double probably doesn't handle more than 36 digits or so
//begin 32 bit floating point dither
int expon; frexpf((float)inputSample, &expon);
fpd ^= fpd << 13; fpd ^= fpd >> 17; fpd ^= fpd << 5;
inputSample += ((double(fpd)-uint32_t(0x7fffffff)) * 3.553e-44l * pow(2,expon+62));
//end 32 bit floating point dither
*destP = inputSample;
sourceP += inNumChannels; destP += inNumChannels;
}
}
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