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airwindows/plugins/MacAU/StoneFireComp/StoneFireComp.cpp
Christopher Johnson 96820d2240 CrunchCoat
2024-05-25 21:04:00 -04:00

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/*
* File: StoneFireComp.cpp
*
* Version: 1.0
*
* Created: 4/25/24
*
* Copyright: Copyright © 2024 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.
*
*/
/*=============================================================================
StoneFireComp.cpp
=============================================================================*/
#include "StoneFireComp.h"
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
COMPONENT_ENTRY(StoneFireComp)
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// StoneFireComp::StoneFireComp
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
StoneFireComp::StoneFireComp(AudioUnit component)
: AUEffectBase(component)
{
CreateElements();
Globals()->UseIndexedParameters(kNumberOfParameters);
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 );
SetParameter(kParam_K, kDefaultValue_ParamK );
#if AU_DEBUG_DISPATCHER
mDebugDispatcher = new AUDebugDispatcher (this);
#endif
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// StoneFireComp::GetParameterValueStrings
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ComponentResult StoneFireComp::GetParameterValueStrings(AudioUnitScope inScope,
AudioUnitParameterID inParameterID,
CFArrayRef * outStrings)
{
return kAudioUnitErr_InvalidProperty;
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// StoneFireComp::GetParameterInfo
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ComponentResult StoneFireComp::GetParameterInfo(AudioUnitScope inScope,
AudioUnitParameterID inParameterID,
AudioUnitParameterInfo &outParameterInfo )
{
ComponentResult result = noErr;
outParameterInfo.flags = kAudioUnitParameterFlag_IsWritable
| kAudioUnitParameterFlag_IsReadable;
if (inScope == kAudioUnitScope_Global) {
switch(inParameterID)
{
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;
case kParam_K:
AUBase::FillInParameterName (outParameterInfo, kParameterKName, false);
outParameterInfo.unit = kAudioUnitParameterUnit_Generic;
outParameterInfo.minValue = 0.0;
outParameterInfo.maxValue = 1.0;
outParameterInfo.defaultValue = kDefaultValue_ParamK;
break;
default:
result = kAudioUnitErr_InvalidParameter;
break;
}
} else {
result = kAudioUnitErr_InvalidParameter;
}
return result;
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// StoneFireComp::GetPropertyInfo
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ComponentResult StoneFireComp::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 StoneFireComp::SupportedNumChannels(const AUChannelInfo ** outInfo)
{
if (outInfo != NULL)
{
static AUChannelInfo info;
info.inChannels = 2;
info.outChannels = 2;
*outInfo = &info;
}
return 1;
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// StoneFireComp::GetProperty
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ComponentResult StoneFireComp::GetProperty( AudioUnitPropertyID inID,
AudioUnitScope inScope,
AudioUnitElement inElement,
void * outData )
{
return AUEffectBase::GetProperty (inID, inScope, inElement, outData);
}
// StoneFireComp::Initialize
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ComponentResult StoneFireComp::Initialize()
{
ComponentResult result = AUEffectBase::Initialize();
if (result == noErr)
Reset(kAudioUnitScope_Global, 0);
return result;
}
#pragma mark ____StoneFireCompEffectKernel
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// StoneFireComp::StoneFireCompKernel::Reset()
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ComponentResult StoneFireComp::Reset(AudioUnitScope inScope, AudioUnitElement inElement)
{
for (int x = 0; x < kal_total; x++) kal[x] = 0.0;
fireCompL = 1.0;
fireCompR = 1.0;
stoneCompL = 1.0;
stoneCompR = 1.0;
fpdL = 1.0; while (fpdL < 16386) fpdL = rand()*UINT32_MAX;
fpdR = 1.0; while (fpdR < 16386) fpdR = rand()*UINT32_MAX;
return noErr;
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// StoneFireComp::ProcessBufferLists
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
OSStatus StoneFireComp::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();
double compFThresh = pow(GetParameter( kParam_B ),4);
double compFAttack = 1.0/(((pow(GetParameter( kParam_C ),3)*5000.0)+500.0)*overallscale);
double compFRelease = 1.0/(((pow(GetParameter( kParam_D ),5)*50000.0)+500.0)*overallscale);
double fireGain = GetParameter( kParam_E )*2.0;
if (fireGain > 1.0) fireGain *= fireGain; else fireGain = 1.0-pow(1.0-fireGain,2);
double firePad = fireGain; if (firePad > 1.0) firePad = 1.0;
double compSThresh = pow(GetParameter( kParam_F ),4);
double compSAttack = 1.0/(((pow(GetParameter( kParam_G ),3)*5000.0)+500.0)*overallscale);
double compSRelease = 1.0/(((pow(GetParameter( kParam_H ),5)*50000.0)+500.0)*overallscale);
double stoneGain = GetParameter( kParam_I )*2.0;
if (stoneGain > 1.0) stoneGain *= stoneGain; else stoneGain = 1.0-pow(1.0-stoneGain,2);
double stonePad = stoneGain; if (stonePad > 1.0) stonePad = 1.0;
double kalman = 1.0-(pow(GetParameter( kParam_J ),2)/overallscale);
//crossover frequency between mid/bass
double compRatio = 1.0-pow(1.0-GetParameter( kParam_K ),2);
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;
//begin KalmanL
double fireL = inputSampleL;
double temp = inputSampleL = inputSampleL*(1.0-kalman)*0.777;
inputSampleL *= (1.0-kalman);
//set up gain levels to control the beast
kal[prevSlewL3] += kal[prevSampL3] - kal[prevSampL2]; kal[prevSlewL3] *= 0.5;
kal[prevSlewL2] += kal[prevSampL2] - kal[prevSampL1]; kal[prevSlewL2] *= 0.5;
kal[prevSlewL1] += kal[prevSampL1] - inputSampleL; kal[prevSlewL1] *= 0.5;
//make slews from each set of samples used
kal[accSlewL2] += kal[prevSlewL3] - kal[prevSlewL2]; kal[accSlewL2] *= 0.5;
kal[accSlewL1] += kal[prevSlewL2] - kal[prevSlewL1]; kal[accSlewL1] *= 0.5;
//differences between slews: rate of change of rate of change
kal[accSlewL3] += (kal[accSlewL2] - kal[accSlewL1]); kal[accSlewL3] *= 0.5;
//entering the abyss, what even is this
kal[kalOutL] += kal[prevSampL1] + kal[prevSlewL2] + kal[accSlewL3]; kal[kalOutL] *= 0.5;
//resynthesizing predicted result (all iir smoothed)
kal[kalGainL] += fabs(temp-kal[kalOutL])*kalman*8.0; kal[kalGainL] *= 0.5;
//madness takes its toll. Kalman Gain: how much dry to retain
if (kal[kalGainL] > kalman*0.5) kal[kalGainL] = kalman*0.5;
//attempts to avoid explosions
kal[kalOutL] += (temp*(1.0-(0.68+(kalman*0.157))));
//this is for tuning a really complete cancellation up around Nyquist
kal[prevSampL3] = kal[prevSampL2]; kal[prevSampL2] = kal[prevSampL1];
kal[prevSampL1] = (kal[kalGainL] * kal[kalOutL]) + ((1.0-kal[kalGainL])*temp);
//feed the chain of previous samples
if (kal[prevSampL1] > 1.0) kal[prevSampL1] = 1.0; if (kal[prevSampL1] < -1.0) kal[prevSampL1] = -1.0;
double stoneL = kal[kalOutL]*0.777;
fireL -= stoneL;
//end KalmanL
//begin KalmanR
double fireR = inputSampleR;
temp = inputSampleR = inputSampleR*(1.0-kalman)*0.777;
inputSampleR *= (1.0-kalman);
//set up gain levels to control the beast
kal[prevSlewR3] += kal[prevSampR3] - kal[prevSampR2]; kal[prevSlewR3] *= 0.5;
kal[prevSlewR2] += kal[prevSampR2] - kal[prevSampR1]; kal[prevSlewR2] *= 0.5;
kal[prevSlewR1] += kal[prevSampR1] - inputSampleR; kal[prevSlewR1] *= 0.5;
//make slews from each set of samples used
kal[accSlewR2] += kal[prevSlewR3] - kal[prevSlewR2]; kal[accSlewR2] *= 0.5;
kal[accSlewR1] += kal[prevSlewR2] - kal[prevSlewR1]; kal[accSlewR1] *= 0.5;
//differences between slews: rate of change of rate of change
kal[accSlewR3] += (kal[accSlewR2] - kal[accSlewR1]); kal[accSlewR3] *= 0.5;
//entering the abyss, what even is this
kal[kalOutR] += kal[prevSampR1] + kal[prevSlewR2] + kal[accSlewR3]; kal[kalOutR] *= 0.5;
//resynthesizing predicted result (all iir smoothed)
kal[kalGainR] += fabs(temp-kal[kalOutR])*kalman*8.0; kal[kalGainR] *= 0.5;
//madness takes its toll. Kalman Gain: how much dry to retain
if (kal[kalGainR] > kalman*0.5) kal[kalGainR] = kalman*0.5;
//attempts to avoid explosions
kal[kalOutR] += (temp*(1.0-(0.68+(kalman*0.157))));
//this is for tuning a really complete cancellation up around Nyquist
kal[prevSampR3] = kal[prevSampR2]; kal[prevSampR2] = kal[prevSampR1];
kal[prevSampR1] = (kal[kalGainR] * kal[kalOutR]) + ((1.0-kal[kalGainR])*temp);
//feed the chain of previous samples
if (kal[prevSampR1] > 1.0) kal[prevSampR1] = 1.0; if (kal[prevSampR1] < -1.0) kal[prevSampR1] = -1.0;
double stoneR = kal[kalOutR]*0.777;
fireR -= stoneR;
//end KalmanR
//fire dynamics
if (fabs(fireL) > compFThresh) { //compression L
fireCompL -= (fireCompL * compFAttack);
fireCompL += ((compFThresh / fabs(fireL))*compFAttack);
} else fireCompL = (fireCompL*(1.0-compFRelease))+compFRelease;
if (fabs(fireR) > compFThresh) { //compression R
fireCompR -= (fireCompR * compFAttack);
fireCompR += ((compFThresh / fabs(fireR))*compFAttack);
} else fireCompR = (fireCompR*(1.0-compFRelease))+compFRelease;
if (fireCompL > fireCompR) fireCompL -= (fireCompL * compFAttack);
if (fireCompR > fireCompL) fireCompR -= (fireCompR * compFAttack);
fireCompL = fmax(fmin(fireCompL,1.0),0.0);
fireCompR = fmax(fmin(fireCompR,1.0),0.0);
fireL *= (((1.0-compRatio)*firePad)+(fireCompL*compRatio*fireGain));
fireR *= (((1.0-compRatio)*firePad)+(fireCompR*compRatio*fireGain));
//stone dynamics
if (fabs(stoneL) > compSThresh) { //compression L
stoneCompL -= (stoneCompL * compSAttack);
stoneCompL += ((compSThresh / fabs(stoneL))*compSAttack);
} else stoneCompL = (stoneCompL*(1.0-compSRelease))+compSRelease;
if (fabs(stoneR) > compSThresh) { //compression R
stoneCompR -= (stoneCompR * compSAttack);
stoneCompR += ((compSThresh / fabs(stoneR))*compSAttack);
} else stoneCompR = (stoneCompR*(1.0-compSRelease))+compSRelease;
if (stoneCompL > stoneCompR) stoneCompL -= (stoneCompL * compSAttack);
if (stoneCompR > stoneCompL) stoneCompR -= (stoneCompR * compSAttack);
stoneCompL = fmax(fmin(stoneCompL,1.0),0.0);
stoneCompR = fmax(fmin(stoneCompR,1.0),0.0);
stoneL *= (((1.0-compRatio)*stonePad)+(stoneCompL*compRatio*stoneGain));
stoneR *= (((1.0-compRatio)*stonePad)+(stoneCompR*compRatio*stoneGain));
inputSampleL = stoneL+fireL;
inputSampleR = stoneR+fireR;
//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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