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airwindows/plugins/MacSignedAU/Edge/Edge.cpp
Christopher Johnson f06250c082 Clarifying Licensing in boilerplate code generation
2022-11-21 09:20:21 -05:00

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/*
* File: Edge.cpp
*
* Version: 1.0
*
* Created: 1/30/22
*
* Copyright: Copyright © 2022 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.
*
*/
/*=============================================================================
Edge.cpp
=============================================================================*/
#include "Edge.h"
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
AUDIOCOMPONENT_ENTRY(AUBaseFactory, Edge)
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Edge::Edge
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Edge::Edge(AudioUnit component)
: AUEffectBase(component)
{
CreateElements();
Globals()->UseIndexedParameters(kNumberOfParameters);
SetParameter(kParam_One, kDefaultValue_ParamOne );
SetParameter(kParam_Two, kDefaultValue_ParamTwo );
SetParameter(kParam_Three, kDefaultValue_ParamThree );
SetParameter(kParam_Four, kDefaultValue_ParamFour );
SetParameter(kParam_Five, kDefaultValue_ParamFive );
#if AU_DEBUG_DISPATCHER
mDebugDispatcher = new AUDebugDispatcher (this);
#endif
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Edge::GetParameterValueStrings
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ComponentResult Edge::GetParameterValueStrings(AudioUnitScope inScope,
AudioUnitParameterID inParameterID,
CFArrayRef * outStrings)
{
return kAudioUnitErr_InvalidProperty;
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Edge::GetParameterInfo
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ComponentResult Edge::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_Generic;
outParameterInfo.minValue = 0.0;
outParameterInfo.maxValue = 1.0;
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;
case kParam_Three:
AUBase::FillInParameterName (outParameterInfo, kParameterThreeName, false);
outParameterInfo.unit = kAudioUnitParameterUnit_Generic;
outParameterInfo.minValue = 0.0;
outParameterInfo.maxValue = 1.0;
outParameterInfo.defaultValue = kDefaultValue_ParamThree;
break;
case kParam_Four:
AUBase::FillInParameterName (outParameterInfo, kParameterFourName, false);
outParameterInfo.unit = kAudioUnitParameterUnit_Generic;
outParameterInfo.minValue = 0.0;
outParameterInfo.maxValue = 1.0;
outParameterInfo.defaultValue = kDefaultValue_ParamFour;
break;
case kParam_Five:
AUBase::FillInParameterName (outParameterInfo, kParameterFiveName, false);
outParameterInfo.unit = kAudioUnitParameterUnit_Generic;
outParameterInfo.minValue = 0.0;
outParameterInfo.maxValue = 1.0;
outParameterInfo.defaultValue = kDefaultValue_ParamFive;
break;
default:
result = kAudioUnitErr_InvalidParameter;
break;
}
} else {
result = kAudioUnitErr_InvalidParameter;
}
return result;
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Edge::GetPropertyInfo
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ComponentResult Edge::GetPropertyInfo (AudioUnitPropertyID inID,
AudioUnitScope inScope,
AudioUnitElement inElement,
UInt32 & outDataSize,
Boolean & outWritable)
{
return AUEffectBase::GetPropertyInfo (inID, inScope, inElement, outDataSize, outWritable);
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Edge::GetProperty
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ComponentResult Edge::GetProperty( AudioUnitPropertyID inID,
AudioUnitScope inScope,
AudioUnitElement inElement,
void * outData )
{
return AUEffectBase::GetProperty (inID, inScope, inElement, outData);
}
// Edge::Initialize
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ComponentResult Edge::Initialize()
{
ComponentResult result = AUEffectBase::Initialize();
if (result == noErr)
Reset(kAudioUnitScope_Global, 0);
return result;
}
#pragma mark ____EdgeEffectKernel
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Edge::EdgeKernel::Reset()
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
void Edge::EdgeKernel::Reset()
{
for (int x = 0; x < fix_total; x++) {
fixA[x] = 0.0;
fixB[x] = 0.0;
fixC[x] = 0.0;
fixD[x] = 0.0;
fixE[x] = 0.0;
fixF[x] = 0.0;
fixG[x] = 0.0;
}
iirSample = 0.0;
fpd = 1.0; while (fpd < 16386) fpd = rand()*UINT32_MAX;
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Edge::EdgeKernel::Process
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
void Edge::EdgeKernel::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 inTrim = (GetParameter( kParam_One )*4.0)+0.5;
double cutoff = (GetParameter( kParam_Two )*25000.0) / GetSampleRate();
if (cutoff > 0.49) cutoff = 0.49; //don't crash if run at 44.1k
if (cutoff < 0.001) cutoff = 0.001; //or if cutoff's too low
double iirAmount = pow(GetParameter( kParam_Three ),3)*0.5;
if (iirAmount < 0.00000001) iirAmount = 0.00000001; //or if cutoff's too low
iirAmount /= overallscale; //highpass is very gentle
double outPad = GetParameter( kParam_Four );
double wet = GetParameter( kParam_Five );
fixG[fix_freq] = fixF[fix_freq] = fixE[fix_freq] = fixD[fix_freq] = fixC[fix_freq] = fixB[fix_freq] = fixA[fix_freq] = cutoff;
fixA[fix_reso] = 4.46570214;
fixB[fix_reso] = 1.51387132;
fixC[fix_reso] = 0.93979296;
fixD[fix_reso] = 0.70710678;
fixE[fix_reso] = 0.59051105;
fixF[fix_reso] = 0.52972649;
fixG[fix_reso] = 0.50316379;
double K = tan(M_PI * fixA[fix_freq]); //lowpass
double norm = 1.0 / (1.0 + K / fixA[fix_reso] + K * K);
fixA[fix_a0] = K * K * norm;
fixA[fix_a1] = 2.0 * fixA[fix_a0];
fixA[fix_a2] = fixA[fix_a0];
fixA[fix_b1] = 2.0 * (K * K - 1.0) * norm;
fixA[fix_b2] = (1.0 - K / fixA[fix_reso] + K * K) * norm;
K = tan(M_PI * fixB[fix_freq]);
norm = 1.0 / (1.0 + K / fixB[fix_reso] + K * K);
fixB[fix_a0] = K * K * norm;
fixB[fix_a1] = 2.0 * fixB[fix_a0];
fixB[fix_a2] = fixB[fix_a0];
fixB[fix_b1] = 2.0 * (K * K - 1.0) * norm;
fixB[fix_b2] = (1.0 - K / fixB[fix_reso] + K * K) * norm;
K = tan(M_PI * fixC[fix_freq]);
norm = 1.0 / (1.0 + K / fixC[fix_reso] + K * K);
fixC[fix_a0] = K * K * norm;
fixC[fix_a1] = 2.0 * fixC[fix_a0];
fixC[fix_a2] = fixC[fix_a0];
fixC[fix_b1] = 2.0 * (K * K - 1.0) * norm;
fixC[fix_b2] = (1.0 - K / fixC[fix_reso] + K * K) * norm;
K = tan(M_PI * fixD[fix_freq]);
norm = 1.0 / (1.0 + K / fixD[fix_reso] + K * K);
fixD[fix_a0] = K * K * norm;
fixD[fix_a1] = 2.0 * fixD[fix_a0];
fixD[fix_a2] = fixD[fix_a0];
fixD[fix_b1] = 2.0 * (K * K - 1.0) * norm;
fixD[fix_b2] = (1.0 - K / fixD[fix_reso] + K * K) * norm;
K = tan(M_PI * fixE[fix_freq]);
norm = 1.0 / (1.0 + K / fixE[fix_reso] + K * K);
fixE[fix_a0] = K * K * norm;
fixE[fix_a1] = 2.0 * fixE[fix_a0];
fixE[fix_a2] = fixE[fix_a0];
fixE[fix_b1] = 2.0 * (K * K - 1.0) * norm;
fixE[fix_b2] = (1.0 - K / fixE[fix_reso] + K * K) * norm;
K = tan(M_PI * fixF[fix_freq]);
norm = 1.0 / (1.0 + K / fixF[fix_reso] + K * K);
fixF[fix_a0] = K * K * norm;
fixF[fix_a1] = 2.0 * fixF[fix_a0];
fixF[fix_a2] = fixF[fix_a0];
fixF[fix_b1] = 2.0 * (K * K - 1.0) * norm;
fixF[fix_b2] = (1.0 - K / fixF[fix_reso] + K * K) * norm;
K = tan(M_PI * fixG[fix_freq]);
norm = 1.0 / (1.0 + K / fixG[fix_reso] + K * K);
fixG[fix_a0] = K * K * norm;
fixG[fix_a1] = 2.0 * fixG[fix_a0];
fixG[fix_a2] = fixG[fix_a0];
fixG[fix_b1] = 2.0 * (K * K - 1.0) * norm;
fixG[fix_b2] = (1.0 - K / fixG[fix_reso] + K * K) * norm;
while (nSampleFrames-- > 0) {
double inputSample = *sourceP;
double drySample = inputSample;
if (fabs(inputSample)<1.18e-23) inputSample = fpd * 1.18e-17;
if (fabs(iirSample)<1.18e-33) iirSample = 0.0;
iirSample = (iirSample * (1.0 - iirAmount)) + (inputSample * iirAmount);
inputSample = inputSample - iirSample;
double outSample = (inputSample * fixA[fix_a0]) + fixA[fix_sL1];
fixA[fix_sL1] = (inputSample * fixA[fix_a1]) - (outSample * fixA[fix_b1]) + fixA[fix_sL2];
fixA[fix_sL2] = (inputSample * fixA[fix_a2]) - (outSample * fixA[fix_b2]);
inputSample = outSample; //fixed biquad filtering ultrasonics
inputSample *= inTrim; if (inputSample > 1.0) inputSample = 1.0; if (inputSample < -1.0) inputSample = -1.0;
outSample = (inputSample * fixB[fix_a0]) + fixB[fix_sL1];
fixB[fix_sL1] = (inputSample * fixB[fix_a1]) - (outSample * fixB[fix_b1]) + fixB[fix_sL2];
fixB[fix_sL2] = (inputSample * fixB[fix_a2]) - (outSample * fixB[fix_b2]);
inputSample = outSample; //fixed biquad filtering ultrasonics
inputSample *= inTrim; if (inputSample > 1.0) inputSample = 1.0; if (inputSample < -1.0) inputSample = -1.0;
outSample = (inputSample * fixC[fix_a0]) + fixC[fix_sL1];
fixC[fix_sL1] = (inputSample * fixC[fix_a1]) - (outSample * fixC[fix_b1]) + fixC[fix_sL2];
fixC[fix_sL2] = (inputSample * fixC[fix_a2]) - (outSample * fixC[fix_b2]);
inputSample = outSample; //fixed biquad filtering ultrasonics
inputSample *= inTrim; if (inputSample > 1.0) inputSample = 1.0; if (inputSample < -1.0) inputSample = -1.0;
outSample = (inputSample * fixD[fix_a0]) + fixD[fix_sL1];
fixD[fix_sL1] = (inputSample * fixD[fix_a1]) - (outSample * fixD[fix_b1]) + fixD[fix_sL2];
fixD[fix_sL2] = (inputSample * fixD[fix_a2]) - (outSample * fixD[fix_b2]);
inputSample = outSample; //fixed biquad filtering ultrasonics
inputSample *= inTrim; if (inputSample > 1.0) inputSample = 1.0; if (inputSample < -1.0) inputSample = -1.0;
outSample = (inputSample * fixE[fix_a0]) + fixE[fix_sL1];
fixE[fix_sL1] = (inputSample * fixE[fix_a1]) - (outSample * fixE[fix_b1]) + fixE[fix_sL2];
fixE[fix_sL2] = (inputSample * fixE[fix_a2]) - (outSample * fixE[fix_b2]);
inputSample = outSample; //fixed biquad filtering ultrasonics
inputSample *= inTrim; if (inputSample > 1.0) inputSample = 1.0; if (inputSample < -1.0) inputSample = -1.0;
outSample = (inputSample * fixF[fix_a0]) + fixF[fix_sL1];
fixF[fix_sL1] = (inputSample * fixF[fix_a1]) - (outSample * fixF[fix_b1]) + fixF[fix_sL2];
fixF[fix_sL2] = (inputSample * fixF[fix_a2]) - (outSample * fixF[fix_b2]);
inputSample = outSample; //fixed biquad filtering ultrasonics
inputSample *= inTrim; if (inputSample > 1.0) inputSample = 1.0; if (inputSample < -1.0) inputSample = -1.0;
outSample = (inputSample * fixG[fix_a0]) + fixG[fix_sL1];
fixG[fix_sL1] = (inputSample * fixG[fix_a1]) - (outSample * fixG[fix_b1]) + fixG[fix_sL2];
fixG[fix_sL2] = (inputSample * fixG[fix_a2]) - (outSample * fixG[fix_b2]);
inputSample = outSample; //fixed biquad filtering ultrasonics
inputSample = (inputSample * wet * outPad) + (drySample * (1.0-wet));
//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)) * 5.5e-36l * pow(2,expon+62));
//end 32 bit floating point dither
*destP = inputSample;
sourceP += inNumChannels; destP += inNumChannels;
}
}
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