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airwindows/plugins/MacSignedAU/ClearCoat/ClearCoat.cpp
Christopher Johnson eda72427e8 ClearCoat adjustment
2023-11-06 15:27:24 -05:00

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/*
* File: ClearCoat.cpp
*
* Version: 1.0
*
* Created: 10/23/23
*
* Copyright: Copyright © 2023 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.
*
*/
/*=============================================================================
ClearCoat.cpp
=============================================================================*/
#include "ClearCoat.h"
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
AUDIOCOMPONENT_ENTRY(AUBaseFactory, ClearCoat)
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// ClearCoat::ClearCoat
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ClearCoat::ClearCoat(AudioUnit component)
: AUEffectBase(component)
{
CreateElements();
Globals()->UseIndexedParameters(kNumberOfParameters);
SetParameter(kParam_One, kDefaultValue_ParamOne );
SetParameter(kParam_Two, kDefaultValue_ParamTwo );
#if AU_DEBUG_DISPATCHER
mDebugDispatcher = new AUDebugDispatcher (this);
#endif
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// ClearCoat::GetParameterValueStrings
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ComponentResult ClearCoat::GetParameterValueStrings(AudioUnitScope inScope,
AudioUnitParameterID inParameterID,
CFArrayRef * outStrings)
{
return kAudioUnitErr_InvalidProperty;
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// ClearCoat::GetParameterInfo
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ComponentResult ClearCoat::GetParameterInfo(AudioUnitScope inScope,
AudioUnitParameterID inParameterID,
AudioUnitParameterInfo &outParameterInfo )
{
ComponentResult result = noErr;
outParameterInfo.flags = kAudioUnitParameterFlag_IsWritable
| kAudioUnitParameterFlag_IsReadable;
if (inScope == kAudioUnitScope_Global) {
switch(inParameterID)
{
case kParam_One:
AUBase::FillInParameterName (outParameterInfo, kParameterOneName, false);
outParameterInfo.unit = kAudioUnitParameterUnit_Indexed;
outParameterInfo.minValue = 0;
outParameterInfo.maxValue = 16;
outParameterInfo.defaultValue = kDefaultValue_ParamOne;
break;
case kParam_Two:
AUBase::FillInParameterName (outParameterInfo, kParameterTwoName, false);
outParameterInfo.unit = kAudioUnitParameterUnit_Generic;
outParameterInfo.minValue = 0.0;
outParameterInfo.maxValue = 1.0;
outParameterInfo.defaultValue = kDefaultValue_ParamTwo;
break;
default:
result = kAudioUnitErr_InvalidParameter;
break;
}
} else {
result = kAudioUnitErr_InvalidParameter;
}
return result;
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// ClearCoat::GetPropertyInfo
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ComponentResult ClearCoat::GetPropertyInfo (AudioUnitPropertyID inID,
AudioUnitScope inScope,
AudioUnitElement inElement,
UInt32 & outDataSize,
Boolean & outWritable)
{
return AUEffectBase::GetPropertyInfo (inID, inScope, inElement, outDataSize, outWritable);
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// state that plugin supports only stereo-in/stereo-out processing
UInt32 ClearCoat::SupportedNumChannels(const AUChannelInfo ** outInfo)
{
if (outInfo != NULL)
{
static AUChannelInfo info;
info.inChannels = 2;
info.outChannels = 2;
*outInfo = &info;
}
return 1;
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// ClearCoat::GetProperty
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ComponentResult ClearCoat::GetProperty( AudioUnitPropertyID inID,
AudioUnitScope inScope,
AudioUnitElement inElement,
void * outData )
{
return AUEffectBase::GetProperty (inID, inScope, inElement, outData);
}
// ClearCoat::Initialize
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ComponentResult ClearCoat::Initialize()
{
ComponentResult result = AUEffectBase::Initialize();
if (result == noErr)
Reset(kAudioUnitScope_Global, 0);
return result;
}
#pragma mark ____ClearCoatEffectKernel
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// ClearCoat::ClearCoatKernel::Reset()
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ComponentResult ClearCoat::Reset(AudioUnitScope inScope, AudioUnitElement inElement)
{
for(int count = 0; count < kshortA+2; count++) {aAL[count] = 0.0; aAR[count] = 0.0;}
for(int count = 0; count < kshortB+2; count++) {aBL[count] = 0.0; aBR[count] = 0.0;}
for(int count = 0; count < kshortC+2; count++) {aCL[count] = 0.0; aCR[count] = 0.0;}
for(int count = 0; count < kshortD+2; count++) {aDL[count] = 0.0; aDR[count] = 0.0;}
for(int count = 0; count < kshortE+2; count++) {aEL[count] = 0.0; aER[count] = 0.0;}
for(int count = 0; count < kshortF+2; count++) {aFL[count] = 0.0; aFR[count] = 0.0;}
for(int count = 0; count < kshortG+2; count++) {aGL[count] = 0.0; aGR[count] = 0.0;}
for(int count = 0; count < kshortH+2; count++) {aHL[count] = 0.0; aHR[count] = 0.0;}
for(int count = 0; count < kshortI+2; count++) {aIL[count] = 0.0; aIR[count] = 0.0;}
for(int count = 0; count < kshortJ+2; count++) {aJL[count] = 0.0; aJR[count] = 0.0;}
for(int count = 0; count < kshortK+2; count++) {aKL[count] = 0.0; aKR[count] = 0.0;}
for(int count = 0; count < kshortL+2; count++) {aLL[count] = 0.0; aLR[count] = 0.0;}
for(int count = 0; count < kshortM+2; count++) {aML[count] = 0.0; aMR[count] = 0.0;}
for(int count = 0; count < kshortN+2; count++) {aNL[count] = 0.0; aNR[count] = 0.0;}
for(int count = 0; count < kshortO+2; count++) {aOL[count] = 0.0; aOR[count] = 0.0;}
for(int count = 0; count < kshortP+2; count++) {aPL[count] = 0.0; aPR[count] = 0.0;}
feedbackAL = 0.0;
feedbackBL = 0.0;
feedbackCL = 0.0;
feedbackDL = 0.0;
previousAL = 0.0;
previousBL = 0.0;
previousCL = 0.0;
previousDL = 0.0;
previousEL = 0.0;
feedbackDR = 0.0;
feedbackHR = 0.0;
feedbackLR = 0.0;
feedbackPR = 0.0;
previousAR = 0.0;
previousBR = 0.0;
previousCR = 0.0;
previousDR = 0.0;
previousER = 0.0;
prevMulchAL = 0.0;
prevMulchAR = 0.0;
tailL = 0.0;
tailR = 0.0;
for(int count = 0; count < 6; count++) {lastRefL[count] = 0.0; lastRefR[count] = 0.0;}
countAL = 1;
countBL = 1;
countCL = 1;
countDL = 1;
countEL = 1;
countFL = 1;
countGL = 1;
countHL = 1;
countIL = 1;
countJL = 1;
countKL = 1;
countLL = 1;
countML = 1;
countNL = 1;
countOL = 1;
countPL = 1;
countAR = 1;
countBR = 1;
countCR = 1;
countDR = 1;
countER = 1;
countFR = 1;
countGR = 1;
countHR = 1;
countIR = 1;
countJR = 1;
countKR = 1;
countLR = 1;
countMR = 1;
countNR = 1;
countOR = 1;
countPR = 1;
cycle = 0;
shortA = 336;
shortB = 1660;
shortC = 386;
shortD = 623;
shortE = 693;
shortF = 1079;
shortG = 891;
shortH = 1574;
shortI = 24;
shortJ = 2641;
shortK = 1239;
shortL = 775;
shortM = 11;
shortN = 3104;
shortO = 55;
shortP = 2366;
prevclearcoat = -1;
subAL = subAR = subBL = subBR = subCL = subCR = subDL = subDR = 0.0;
fpdL = 1.0; while (fpdL < 16386) fpdL = rand()*UINT32_MAX;
fpdR = 1.0; while (fpdR < 16386) fpdR = rand()*UINT32_MAX;
return noErr;
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// ClearCoat::ProcessBufferLists
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
OSStatus ClearCoat::ProcessBufferLists(AudioUnitRenderActionFlags & ioActionFlags,
const AudioBufferList & inBuffer,
AudioBufferList & outBuffer,
UInt32 inFramesToProcess)
{
Float32 * inputL = (Float32*)(inBuffer.mBuffers[0].mData);
Float32 * inputR = (Float32*)(inBuffer.mBuffers[1].mData);
Float32 * outputL = (Float32*)(outBuffer.mBuffers[0].mData);
Float32 * outputR = (Float32*)(outBuffer.mBuffers[1].mData);
UInt32 nSampleFrames = inFramesToProcess;
double overallscale = 1.0;
overallscale /= 44100.0;
overallscale *= GetSampleRate();
int cycleEnd = floor(overallscale);
if (cycleEnd < 1) cycleEnd = 1;
if (cycleEnd > 4) cycleEnd = 4;
//this is going to be 2 for 88.1 or 96k, 3 for silly people, 4 for 176 or 192k
if (cycle > cycleEnd-1) cycle = cycleEnd-1; //sanity check
int clearcoat = GetParameter( kParam_One );
if (clearcoat != prevclearcoat) {
for(int count = 0; count < kshortA+2; count++) {aAL[count] = 0.0; aAR[count] = 0.0;}
for(int count = 0; count < kshortB+2; count++) {aBL[count] = 0.0; aBR[count] = 0.0;}
for(int count = 0; count < kshortC+2; count++) {aCL[count] = 0.0; aCR[count] = 0.0;}
for(int count = 0; count < kshortD+2; count++) {aDL[count] = 0.0; aDR[count] = 0.0;}
for(int count = 0; count < kshortE+2; count++) {aEL[count] = 0.0; aER[count] = 0.0;}
for(int count = 0; count < kshortF+2; count++) {aFL[count] = 0.0; aFR[count] = 0.0;}
for(int count = 0; count < kshortG+2; count++) {aGL[count] = 0.0; aGR[count] = 0.0;}
for(int count = 0; count < kshortH+2; count++) {aHL[count] = 0.0; aHR[count] = 0.0;}
for(int count = 0; count < kshortI+2; count++) {aIL[count] = 0.0; aIR[count] = 0.0;}
for(int count = 0; count < kshortJ+2; count++) {aJL[count] = 0.0; aJR[count] = 0.0;}
for(int count = 0; count < kshortK+2; count++) {aKL[count] = 0.0; aKR[count] = 0.0;}
for(int count = 0; count < kshortL+2; count++) {aLL[count] = 0.0; aLR[count] = 0.0;}
for(int count = 0; count < kshortM+2; count++) {aML[count] = 0.0; aMR[count] = 0.0;}
for(int count = 0; count < kshortN+2; count++) {aNL[count] = 0.0; aNR[count] = 0.0;}
for(int count = 0; count < kshortO+2; count++) {aOL[count] = 0.0; aOR[count] = 0.0;}
for(int count = 0; count < kshortP+2; count++) {aPL[count] = 0.0; aPR[count] = 0.0;}
countAL = 1;
countBL = 1;
countCL = 1;
countDL = 1;
countEL = 1;
countFL = 1;
countGL = 1;
countHL = 1;
countIL = 1;
countJL = 1;
countKL = 1;
countLL = 1;
countML = 1;
countNL = 1;
countOL = 1;
countPL = 1;
countAR = 1;
countBR = 1;
countCR = 1;
countDR = 1;
countER = 1;
countFR = 1;
countGR = 1;
countHR = 1;
countIR = 1;
countJR = 1;
countKR = 1;
countLR = 1;
countMR = 1;
countNR = 1;
countOR = 1;
countPR = 1;
switch (clearcoat)
{
case 0:
shortA = 65; shortB = 124; shortC = 83; shortD = 180; shortE = 200; shortF = 291; shortG = 108; shortH = 189; shortI = 73; shortJ = 410; shortK = 479; shortL = 310; shortM = 11; shortN = 928; shortO = 23; shortP = 654; break; //5 to 51 ms, 96 seat room. Scarcity, 1 in 125324
//Short96
case 1:
shortA = 114; shortB = 205; shortC = 498; shortD = 195; shortE = 205; shortF = 318; shortG = 143; shortH = 254; shortI = 64; shortJ = 721; shortK = 512; shortL = 324; shortM = 11; shortN = 782; shortO = 26; shortP = 394; break; //7 to 52 ms, 107 seat club. Scarcity, 1 in 65537
//Short107
case 2:
shortA = 118; shortB = 272; shortC = 292; shortD = 145; shortE = 200; shortF = 241; shortG = 204; shortH = 504; shortI = 50; shortJ = 678; shortK = 424; shortL = 412; shortM = 11; shortN = 1124; shortO = 47; shortP = 766; break; //8 to 58 ms, 135 seat club. Scarcity, 1 in 196272
//Short135
case 3:
shortA = 19; shortB = 474; shortC = 301; shortD = 275; shortE = 260; shortF = 321; shortG = 371; shortH = 571; shortI = 50; shortJ = 410; shortK = 697; shortL = 414; shortM = 11; shortN = 986; shortO = 47; shortP = 522; break; //7 to 61 ms, 143 seat club. Scarcity, 1 in 165738
//Short143
case 4:
shortA = 112; shortB = 387; shortC = 452; shortD = 289; shortE = 173; shortF = 476; shortG = 321; shortH = 593; shortI = 73; shortJ = 343; shortK = 829; shortL = 91; shortM = 11; shortN = 1055; shortO = 43; shortP = 862; break; //8 to 66 ms, 166 seat club. Scarcity, 1 in 158437
//Short166
case 5:
shortA = 60; shortB = 368; shortC = 295; shortD = 272; shortE = 210; shortF = 284; shortG = 326; shortH = 830; shortI = 125; shortJ = 236; shortK = 737; shortL = 486; shortM = 11; shortN = 1178; shortO = 75; shortP = 902; break; //9 to 70 ms, 189 seat club. Scarcity, 1 in 94790
//Short189
case 6:
shortA = 73; shortB = 311; shortC = 472; shortD = 251; shortE = 134; shortF = 509; shortG = 393; shortH = 591; shortI = 124; shortJ = 1070; shortK = 340; shortL = 525; shortM = 11; shortN = 1367; shortO = 75; shortP = 816; break; //7 to 79 ms, 225 seat club. Scarcity, 1 in 257803
//Short225
case 7:
shortA = 159; shortB = 518; shortC = 514; shortD = 165; shortE = 275; shortF = 494; shortG = 296; shortH = 667; shortI = 75; shortJ = 1101; shortK = 116; shortL = 414; shortM = 11; shortN = 1261; shortO = 79; shortP = 998; break; //11 to 80 ms, 252 seat club. Scarcity, 1 in 175192
//Short252
case 8:
shortA = 41; shortB = 741; shortC = 274; shortD = 59; shortE = 306; shortF = 332; shortG = 291; shortH = 767; shortI = 42; shortJ = 881; shortK = 959; shortL = 422; shortM = 11; shortN = 1237; shortO = 45; shortP = 958; break; //8 to 83 ms, 255 seat club. Scarcity, 1 in 185708
//Short255
case 9:
shortA = 251; shortB = 437; shortC = 783; shortD = 189; shortE = 130; shortF = 272; shortG = 244; shortH = 761; shortI = 128; shortJ = 1190; shortK = 320; shortL = 491; shortM = 11; shortN = 1409; shortO = 58; shortP = 455; break; //10 to 93 ms, 323 seat club. Scarcity, 1 in 334044
//Short323
case 10:
shortA = 316; shortB = 510; shortC = 1087; shortD = 349; shortE = 359; shortF = 74; shortG = 79; shortH = 1269; shortI = 34; shortJ = 693; shortK = 749; shortL = 511; shortM = 11; shortN = 1751; shortO = 93; shortP = 403; break; //9 to 110 ms, 427 seat theater. Scarcity, 1 in 200715
//Short427
case 11:
shortA = 254; shortB = 651; shortC = 845; shortD = 316; shortE = 373; shortF = 267; shortG = 182; shortH = 857; shortI = 215; shortJ = 1535; shortK = 1127; shortL = 315; shortM = 11; shortN = 1649; shortO = 97; shortP = 829; break; //15 to 110 ms, 470 seat theater. Scarcity, 1 in 362673
//Short470
case 12:
shortA = 113; shortB = 101; shortC = 673; shortD = 357; shortE = 340; shortF = 229; shortG = 278; shortH = 1008; shortI = 265; shortJ = 1890; shortK = 155; shortL = 267; shortM = 11; shortN = 2233; shortO = 116; shortP = 600; break; //11 to 131 ms, 606 seat theater. Scarcity, 1 in 238058
//Short606
case 13:
shortA = 218; shortB = 1058; shortC = 862; shortD = 505; shortE = 297; shortF = 580; shortG = 532; shortH = 1387; shortI = 120; shortJ = 576; shortK = 1409; shortL = 473; shortM = 11; shortN = 1991; shortO = 76; shortP = 685; break; //14 to 132 ms, 643 seat theater. Scarcity, 1 in 193432
//Short643
case 14:
shortA = 78; shortB = 760; shortC = 982; shortD = 528; shortE = 445; shortF = 1128; shortG = 130; shortH = 708; shortI = 22; shortJ = 2144; shortK = 354; shortL = 1169; shortM = 11; shortN = 2782; shortO = 58; shortP = 1515; break; //5 to 159 ms, 809 seat hall. Scarcity, 1 in 212274
//Short809
case 15:
shortA = 330; shortB = 107; shortC = 1110; shortD = 371; shortE = 620; shortF = 143; shortG = 1014; shortH = 1763; shortI = 184; shortJ = 2068; shortK = 1406; shortL = 595; shortM = 11; shortN = 2639; shortO = 33; shortP = 1594; break; //10 to 171 ms, 984 seat hall. Scarcity, 1 in 226499
//Short984
case 16:
default:
shortA = 336; shortB = 1660; shortC = 386; shortD = 623; shortE = 693; shortF = 1079; shortG = 891; shortH = 1574; shortI = 24; shortJ = 2641; shortK = 1239; shortL = 775; shortM = 11; shortN = 3104; shortO = 55; shortP = 2366; break; //24 to 203 ms, 1541 seat hall. Scarcity, 1 in 275025
//Short1541
}
prevclearcoat = clearcoat;
}
double subRate = 0.001 / overallscale;
double wet = GetParameter( kParam_Two )*2.0;
double dry = 2.0 - wet;
if (wet > 1.0) wet = 1.0;
if (wet < 0.0) wet = 0.0;
if (dry > 1.0) dry = 1.0;
if (dry < 0.0) dry = 0.0;
//this reverb makes 50% full dry AND full wet, not crossfaded.
//that's so it can be on submixes without cutting back dry channel when adjusted:
//unless you go super heavy, you are only adjusting the added verb loudness.
while (nSampleFrames-- > 0) {
double inputSampleL = *inputL;
double inputSampleR = *inputR;
if (fabs(inputSampleL)<1.18e-23) inputSampleL = fpdL * 1.18e-17;
if (fabs(inputSampleR)<1.18e-23) inputSampleR = fpdR * 1.18e-17;
double drySampleL = inputSampleL;
double drySampleR = inputSampleR;
cycle++;
if (cycle == cycleEnd) { //hit the end point and we do a reverb sample
aAL[countAL] = inputSampleL + (feedbackAL * 0.04166666666);
aBL[countBL] = inputSampleL + (feedbackBL * 0.04166666666);
aCL[countCL] = inputSampleL + (feedbackCL * 0.04166666666);
aDL[countDL] = inputSampleL + (feedbackDL * 0.04166666666);
aDR[countDR] = inputSampleR + (feedbackDR * 0.04166666666);
aHR[countHR] = inputSampleR + (feedbackHR * 0.04166666666);
aLR[countLR] = inputSampleR + (feedbackLR * 0.04166666666);
aPR[countPR] = inputSampleR + (feedbackPR * 0.04166666666);
//exactly halfway between infinite sustain at 0.0625
//and 6dB down, almost no regen at 0.03125
//means roughly half the results work as BitShiftGain
countAL++; if (countAL < 0 || countAL > shortA) countAL = 0;
countBL++; if (countBL < 0 || countBL > shortB) countBL = 0;
countCL++; if (countCL < 0 || countCL > shortC) countCL = 0;
countDL++; if (countDL < 0 || countDL > shortD) countDL = 0;
countDR++; if (countDR < 0 || countDR > shortD) countDR = 0;
countHR++; if (countHR < 0 || countHR > shortH) countHR = 0;
countLR++; if (countLR < 0 || countLR > shortL) countLR = 0;
countPR++; if (countPR < 0 || countPR > shortP) countPR = 0;
double outAL = aAL[countAL-((countAL > shortA)?shortA+1:0)];
double outBL = aBL[countBL-((countBL > shortB)?shortB+1:0)];
double outCL = aCL[countCL-((countCL > shortC)?shortC+1:0)];
double outDL = aDL[countDL-((countDL > shortD)?shortD+1:0)];
double outDR = aDR[countDR-((countDR > shortD)?shortD+1:0)];
double outHR = aHR[countHR-((countHR > shortH)?shortH+1:0)];
double outLR = aLR[countLR-((countLR > shortL)?shortL+1:0)];
double outPR = aPR[countPR-((countPR > shortP)?shortP+1:0)];
aEL[countEL] = outAL - (outBL + outCL + outDL);
aFL[countFL] = outBL - (outAL + outCL + outDL);
aGL[countGL] = outCL - (outAL + outBL + outDL);
aHL[countHL] = outDL - (outAL + outBL + outCL);
aCR[countCR] = outDR - (outHR + outLR + outPR);
aGR[countGR] = outHR - (outDR + outLR + outPR);
aKR[countKR] = outLR - (outDR + outHR + outPR);
aOR[countOR] = outPR - (outDR + outHR + outLR);
countEL++; if (countEL < 0 || countEL > shortE) countEL = 0;
countFL++; if (countFL < 0 || countFL > shortF) countFL = 0;
countGL++; if (countGL < 0 || countGL > shortG) countGL = 0;
countHL++; if (countHL < 0 || countHL > shortH) countHL = 0;
countCR++; if (countCR < 0 || countCR > shortC) countCR = 0;
countGR++; if (countGR < 0 || countGR > shortG) countGR = 0;
countKR++; if (countKR < 0 || countKR > shortK) countKR = 0;
countOR++; if (countOR < 0 || countOR > shortO) countOR = 0;
double outEL = aEL[countEL-((countEL > shortE)?shortE+1:0)];
double outFL = aFL[countFL-((countFL > shortF)?shortF+1:0)];
double outGL = aGL[countGL-((countGL > shortG)?shortG+1:0)];
double outHL = aHL[countHL-((countHL > shortH)?shortH+1:0)];
double outCR = aCR[countCR-((countCR > shortC)?shortC+1:0)];
double outGR = aGR[countGR-((countGR > shortG)?shortG+1:0)];
double outKR = aKR[countKR-((countKR > shortK)?shortK+1:0)];
double outOR = aOR[countOR-((countOR > shortO)?shortO+1:0)];
aIL[countIL] = outEL - (outFL + outGL + outHL);
aJL[countJL] = outFL - (outEL + outGL + outHL);
aKL[countKL] = outGL - (outEL + outFL + outHL);
aLL[countLL] = outHL - (outEL + outFL + outGL);
aBR[countBR] = outCR - (outGR + outKR + outOR);
aFR[countFR] = outGR - (outCR + outKR + outOR);
aJR[countJR] = outKR - (outCR + outGR + outOR);
aNR[countNR] = outOR - (outCR + outGR + outKR);
countIL++; if (countIL < 0 || countIL > shortI) countIL = 0;
countJL++; if (countJL < 0 || countJL > shortJ) countJL = 0;
countKL++; if (countKL < 0 || countKL > shortK) countKL = 0;
countLL++; if (countLL < 0 || countLL > shortL) countLL = 0;
countBR++; if (countBR < 0 || countBR > shortB) countBR = 0;
countFR++; if (countFR < 0 || countFR > shortF) countFR = 0;
countJR++; if (countJR < 0 || countJR > shortJ) countJR = 0;
countNR++; if (countNR < 0 || countNR > shortN) countNR = 0;
double outIL = aIL[countIL-((countIL > shortI)?shortI+1:0)];
double outJL = aJL[countJL-((countJL > shortJ)?shortJ+1:0)];
double outKL = aKL[countKL-((countKL > shortK)?shortK+1:0)];
double outLL = aLL[countLL-((countLL > shortL)?shortL+1:0)];
double outBR = aBR[countBR-((countBR > shortB)?shortB+1:0)];
double outFR = aFR[countFR-((countFR > shortF)?shortF+1:0)];
double outJR = aJR[countJR-((countJR > shortJ)?shortJ+1:0)];
double outNR = aNR[countNR-((countNR > shortN)?shortN+1:0)];
aML[countML] = outIL - (outJL + outKL + outLL);
aNL[countNL] = outJL - (outIL + outKL + outLL);
aOL[countOL] = outKL - (outIL + outJL + outLL);
aPL[countPL] = outLL - (outIL + outJL + outKL);
aAR[countAR] = outBR - (outFR + outJR + outNR);
aER[countER] = outFR - (outBR + outJR + outNR);
aIR[countIR] = outJR - (outBR + outFR + outNR);
aMR[countMR] = outNR - (outBR + outFR + outJR);
countML++; if (countML < 0 || countML > shortM) countML = 0;
countNL++; if (countNL < 0 || countNL > shortN) countNL = 0;
countOL++; if (countOL < 0 || countOL > shortO) countOL = 0;
countPL++; if (countPL < 0 || countPL > shortP) countPL = 0;
countAR++; if (countAR < 0 || countAR > shortA) countAR = 0;
countER++; if (countER < 0 || countER > shortE) countER = 0;
countIR++; if (countIR < 0 || countIR > shortI) countIR = 0;
countMR++; if (countMR < 0 || countMR > shortM) countMR = 0;
double outML = aML[countML-((countML > shortM)?shortM+1:0)];
double outNL = aNL[countNL-((countNL > shortN)?shortN+1:0)];
double outOL = aOL[countOL-((countOL > shortO)?shortO+1:0)];
double outPL = aPL[countPL-((countPL > shortP)?shortP+1:0)];
double outAR = aAR[countAR-((countAR > shortA)?shortA+1:0)];
double outER = aER[countER-((countER > shortE)?shortE+1:0)];
double outIR = aIR[countIR-((countIR > shortI)?shortI+1:0)];
double outMR = aMR[countMR-((countMR > shortM)?shortM+1:0)];
double outSample = (outML + outML + outML + prevMulchAL)*0.25;
prevMulchAL = outML; outML = outSample;
outSample = (outAR + outAR + outAR + prevMulchAR)*0.25;
prevMulchAR = outAR; outAR = outSample;
feedbackAL = outML - (outNL + outOL + outPL);
feedbackDR = outAR - (outER + outIR + outMR);
feedbackBL = outNL - (outML + outOL + outPL);
feedbackHR = outER - (outAR + outIR + outMR);
feedbackCL = outOL - (outML + outNL + outPL);
feedbackLR = outIR - (outAR + outER + outMR);
feedbackDL = outPL - (outML + outNL + outOL);
feedbackPR = outMR - (outAR + outER + outIR);
//which we need to feed back into the input again, a bit
inputSampleL = (outML + outNL + outOL + outPL)/8.0;
inputSampleR = (outAR + outER + outIR + outMR)/8.0;
//and take the final combined sum of outputs, corrected for Householder gain
if (inputSampleL > 1.0) inputSampleL = 1.0;
if (inputSampleL < -1.0) inputSampleL = -1.0;
if (inputSampleR > 1.0) inputSampleR = 1.0;
if (inputSampleR < -1.0) inputSampleR = -1.0;
if (cycleEnd == 4) {
lastRefL[0] = lastRefL[4]; //start from previous last
lastRefL[2] = (lastRefL[0] + inputSampleL)/2; //half
lastRefL[1] = (lastRefL[0] + lastRefL[2])/2; //one quarter
lastRefL[3] = (lastRefL[2] + inputSampleL)/2; //three quarters
lastRefL[4] = inputSampleL; //full
lastRefR[0] = lastRefR[4]; //start from previous last
lastRefR[2] = (lastRefR[0] + inputSampleR)/2; //half
lastRefR[1] = (lastRefR[0] + lastRefR[2])/2; //one quarter
lastRefR[3] = (lastRefR[2] + inputSampleR)/2; //three quarters
lastRefR[4] = inputSampleR; //full
}
if (cycleEnd == 3) {
lastRefL[0] = lastRefL[3]; //start from previous last
lastRefL[2] = (lastRefL[0]+lastRefL[0]+inputSampleL)/3; //third
lastRefL[1] = (lastRefL[0]+inputSampleL+inputSampleL)/3; //two thirds
lastRefL[3] = inputSampleL; //full
lastRefR[0] = lastRefR[3]; //start from previous last
lastRefR[2] = (lastRefR[0]+lastRefR[0]+inputSampleR)/3; //third
lastRefR[1] = (lastRefR[0]+inputSampleR+inputSampleR)/3; //two thirds
lastRefR[3] = inputSampleR; //full
}
if (cycleEnd == 2) {
lastRefL[0] = lastRefL[2]; //start from previous last
lastRefL[1] = (lastRefL[0] + inputSampleL)/2; //half
lastRefL[2] = inputSampleL; //full
lastRefR[0] = lastRefR[2]; //start from previous last
lastRefR[1] = (lastRefR[0] + inputSampleR)/2; //half
lastRefR[2] = inputSampleR; //full
}
if (cycleEnd == 1) {
lastRefL[0] = inputSampleL;
lastRefR[0] = inputSampleR;
}
cycle = 0; //reset
inputSampleL = lastRefL[cycle];
inputSampleR = lastRefR[cycle];
} else {
inputSampleL = lastRefL[cycle];
inputSampleR = lastRefR[cycle];
//we are going through our references now
}
//begin SubTight section
double subSampleL = inputSampleL * subRate;
double subSampleR = inputSampleR * subRate;
double scale = 0.5+fabs(subSampleL*0.5);
subSampleL = (subAL+(sin(subAL-subSampleL)*scale));
subAL = subSampleL*scale;
scale = 0.5+fabs(subSampleR*0.5);
subSampleR = (subAR+(sin(subAR-subSampleR)*scale));
subAR = subSampleR*scale;
scale = 0.5+fabs(subSampleL*0.5);
subSampleL = (subBL+(sin(subBL-subSampleL)*scale));
subBL = subSampleL*scale;
scale = 0.5+fabs(subSampleR*0.5);
subSampleR = (subBR+(sin(subBR-subSampleR)*scale));
subBR = subSampleR*scale;
scale = 0.5+fabs(subSampleL*0.5);
subSampleL = (subCL+(sin(subCL-subSampleL)*scale));
subCL = subSampleL*scale;
scale = 0.5+fabs(subSampleR*0.5);
subSampleR = (subCR+(sin(subCR-subSampleR)*scale));
subCR = subSampleR*scale;
scale = 0.5+fabs(subSampleL*0.5);
subSampleL = (subDL+(sin(subDL-subSampleL)*scale));
subDL = subSampleL*scale;
scale = 0.5+fabs(subSampleR*0.5);
subSampleR = (subDR+(sin(subDR-subSampleR)*scale));
subDR = subSampleR*scale;
if (subSampleL > 0.25) subSampleL = 0.25;
if (subSampleL < -0.25) subSampleL = -0.25;
if (subSampleR > 0.25) subSampleR = 0.25;
if (subSampleR < -0.25) subSampleR = -0.25;
inputSampleL -= (subSampleL*16.0);
inputSampleR -= (subSampleR*16.0);
//end SubTight section
if (cycleEnd > 1) {
double outSample = (inputSampleL + tailL)*0.5;
tailL = inputSampleL; inputSampleL = outSample;
outSample = (inputSampleR + tailR)*0.5;
tailR = inputSampleR; inputSampleR = outSample;
} //let's average only at elevated sample rates
if (wet < 1.0) {inputSampleL *= wet; inputSampleR *= wet;}
if (dry < 1.0) {drySampleL *= dry; drySampleR *= dry;}
inputSampleL += drySampleL; inputSampleR += drySampleR;
//this is our submix verb dry/wet: 0.5 is BOTH at FULL VOLUME
//purpose is that, if you're adding verb, you're not altering other balances
//begin 32 bit stereo floating point dither
int expon; frexpf((float)inputSampleL, &expon);
fpdL ^= fpdL << 13; fpdL ^= fpdL >> 17; fpdL ^= fpdL << 5;
inputSampleL += ((double(fpdL)-uint32_t(0x7fffffff)) * 5.5e-36l * pow(2,expon+62));
frexpf((float)inputSampleR, &expon);
fpdR ^= fpdR << 13; fpdR ^= fpdR >> 17; fpdR ^= fpdR << 5;
inputSampleR += ((double(fpdR)-uint32_t(0x7fffffff)) * 5.5e-36l * pow(2,expon+62));
//end 32 bit stereo floating point dither
*outputL = inputSampleL;
*outputR = inputSampleR;
//direct stereo out
inputL += 1;
inputR += 1;
outputL += 1;
outputR += 1;
}
return noErr;
}
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