/* * File: Pafnuty.cpp * * Version: 1.0 * * Created: 11/29/18 * * Copyright: Copyright © 2018 Airwindows, All Rights Reserved * * 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. 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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. * */ /*============================================================================= Pafnuty.cpp =============================================================================*/ #include "Pafnuty.h" //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ COMPONENT_ENTRY(Pafnuty) //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // Pafnuty::Pafnuty //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Pafnuty::Pafnuty(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 ); SetParameter(kParam_Six, kDefaultValue_ParamSix ); SetParameter(kParam_Seven, kDefaultValue_ParamSeven ); SetParameter(kParam_Eight, kDefaultValue_ParamEight ); SetParameter(kParam_Nine, kDefaultValue_ParamNine ); SetParameter(kParam_Ten, kDefaultValue_ParamTen ); SetParameter(kParam_Eleven, kDefaultValue_ParamEleven ); SetParameter(kParam_Twelve, kDefaultValue_ParamTwelve ); SetParameter(kParam_Thirteen, kDefaultValue_ParamThirteen ); #if AU_DEBUG_DISPATCHER mDebugDispatcher = new AUDebugDispatcher (this); #endif } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // Pafnuty::GetParameterValueStrings //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ComponentResult Pafnuty::GetParameterValueStrings(AudioUnitScope inScope, AudioUnitParameterID inParameterID, CFArrayRef * outStrings) { return kAudioUnitErr_InvalidProperty; } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // Pafnuty::GetParameterInfo //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ComponentResult Pafnuty::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 = -1.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamOne; break; case kParam_Two: AUBase::FillInParameterName (outParameterInfo, kParameterTwoName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = -1.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamTwo; break; case kParam_Three: AUBase::FillInParameterName (outParameterInfo, kParameterThreeName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = -1.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamThree; break; case kParam_Four: AUBase::FillInParameterName (outParameterInfo, kParameterFourName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = -1.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamFour; break; case kParam_Five: AUBase::FillInParameterName (outParameterInfo, kParameterFiveName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = -1.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamFive; break; case kParam_Six: AUBase::FillInParameterName (outParameterInfo, kParameterSixName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = -1.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamSix; break; case kParam_Seven: AUBase::FillInParameterName (outParameterInfo, kParameterSevenName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = -1.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamSeven; break; case kParam_Eight: AUBase::FillInParameterName (outParameterInfo, kParameterEightName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = -1.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamEight; break; case kParam_Nine: AUBase::FillInParameterName (outParameterInfo, kParameterNineName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = -1.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamNine; break; case kParam_Ten: AUBase::FillInParameterName (outParameterInfo, kParameterTenName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = -1.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamTen; break; case kParam_Eleven: AUBase::FillInParameterName (outParameterInfo, kParameterElevenName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = -1.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamEleven; break; case kParam_Twelve: AUBase::FillInParameterName (outParameterInfo, kParameterTwelveName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = -1.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamTwelve; break; case kParam_Thirteen: AUBase::FillInParameterName (outParameterInfo, kParameterThirteenName, false); outParameterInfo.unit = kAudioUnitParameterUnit_LinearGain; outParameterInfo.minValue = -1.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamThirteen; break; default: result = kAudioUnitErr_InvalidParameter; break; } } else { result = kAudioUnitErr_InvalidParameter; } return result; } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // Pafnuty::GetPropertyInfo //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ComponentResult Pafnuty::GetPropertyInfo (AudioUnitPropertyID inID, AudioUnitScope inScope, AudioUnitElement inElement, UInt32 & outDataSize, Boolean & outWritable) { return AUEffectBase::GetPropertyInfo (inID, inScope, inElement, outDataSize, outWritable); } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // Pafnuty::GetProperty //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ComponentResult Pafnuty::GetProperty( AudioUnitPropertyID inID, AudioUnitScope inScope, AudioUnitElement inElement, void * outData ) { return AUEffectBase::GetProperty (inID, inScope, inElement, outData); } // Pafnuty::Initialize //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ComponentResult Pafnuty::Initialize() { ComponentResult result = AUEffectBase::Initialize(); if (result == noErr) Reset(kAudioUnitScope_Global, 0); return result; } #pragma mark ____PafnutyEffectKernel //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // Pafnuty::PafnutyKernel::Reset() //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ void Pafnuty::PafnutyKernel::Reset() { fpNShape = 0.0; } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // Pafnuty::PafnutyKernel::Process //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ void Pafnuty::PafnutyKernel::Process( const Float32 *inSourceP, Float32 *inDestP, UInt32 inFramesToProcess, UInt32 inNumChannels, bool &ioSilence ) { UInt32 nSampleFrames = inFramesToProcess; const Float32 *sourceP = inSourceP; Float32 *destP = inDestP; long double chebyshev; long double effect; long double inP2; long double inP3; long double inP4; long double inP5; long double inP6; long double inP7; long double inP8; long double inP9; long double inP10; long double inP11; long double inP12; long double inP13; long double second = (GetParameter( kParam_One )*1.0); second = second * fabs(second); long double third = -(GetParameter( kParam_Two )*0.60); third = third * fabs(third); long double fourth = -(GetParameter( kParam_Three )*0.60); fourth = fourth * fabs(fourth); long double fifth = (GetParameter( kParam_Four )*0.45); fifth = fifth * fabs(fifth); long double sixth = (GetParameter( kParam_Five )*0.45); sixth = sixth * fabs(sixth); long double seventh = -(GetParameter( kParam_Six )*0.38); seventh = seventh * fabs(seventh); long double eighth = -(GetParameter( kParam_Seven )*0.38); eighth = eighth * fabs(eighth); long double ninth = (GetParameter( kParam_Eight )*0.35); ninth = ninth * fabs(ninth); long double tenth = (GetParameter( kParam_Nine )*0.35); tenth = tenth * fabs(tenth); long double eleventh = -(GetParameter( kParam_Ten )*0.32); eleventh = eleventh * fabs(eleventh); long double twelvth = -(GetParameter( kParam_Eleven )*0.32); twelvth = twelvth * fabs(twelvth); long double thirteenth = (GetParameter( kParam_Twelve )*0.30); thirteenth = thirteenth * fabs(thirteenth); long double amount = GetParameter( kParam_Thirteen ); amount = amount * fabs(amount); //setting up while (nSampleFrames-- > 0) { long double inputSample = *sourceP; static int noisesource = 0; int residue; double applyresidue; noisesource = noisesource % 1700021; noisesource++; residue = noisesource * noisesource; residue = residue % 170003; residue *= residue; residue = residue % 17011; residue *= residue; residue = residue % 1709; residue *= residue; residue = residue % 173; residue *= residue; residue = residue % 17; applyresidue = residue; applyresidue *= 0.00000001; applyresidue *= 0.00000001; inputSample += applyresidue; if (inputSample<1.2e-38 && -inputSample<1.2e-38) { inputSample -= applyresidue; } //for live air, we always apply the dither noise. Then, if our result is //effectively digital black, we'll subtract it again. We want a 'air' hiss effect = 0.0; inP2 = inputSample * inputSample; inP3 = inP2 * inputSample; inP4 = inP3 * inputSample; inP5 = inP4 * inputSample; inP6 = inP5 * inputSample; inP7 = inP6 * inputSample; inP8 = inP7 * inputSample; inP9 = inP8 * inputSample; inP10 = inP9 * inputSample; inP11 = inP10 * inputSample; inP12 = inP11 * inputSample; inP13 = inP12 * inputSample; //let's do the powers ahead of time and see how we do. if (second != 0.0) { chebyshev = (2 * inP2); effect += (chebyshev * second); } if (third != 0.0) { chebyshev = (4 * inP3) - (3*inputSample); effect += (chebyshev * third); } if (fourth != 0.0) { chebyshev = (8 * inP4) - (8 * inP2); effect += (chebyshev * fourth); } if (fifth != 0.0) { chebyshev = (16 * inP5) - (20 * inP3) + (5*inputSample); effect += (chebyshev * fifth); } if (sixth != 0.0) { chebyshev = (32 * inP6) - (48 * inP4) + (18 * inP2); effect += (chebyshev * sixth); } if (seventh != 0.0) { chebyshev = (64 * inP7) - (112 * inP5) + (56 * inP3) - (7*inputSample); effect += (chebyshev * seventh); } if (eighth != 0.0) { chebyshev = (128 * inP8) - (256 * inP6) + (160 * inP4) - (32 * inP2); effect += (chebyshev * eighth); } if (ninth != 0.0) { chebyshev = (256 * inP9) - (576 * inP7) + (432 * inP5) - (120 * inP3) + (9*inputSample); effect += (chebyshev * ninth); } if (tenth != 0.0) { chebyshev = (512 * inP10) - (1280 * inP8) + (1120 * inP6) - (400 * inP4) + (50 * inP2); effect += (chebyshev * tenth); } if (eleventh != 0.0) { chebyshev = (1024 * inP11) - (2816 * inP9) + (2816 * inP7) - (1232 * inP5) + (220 * inP3) - (11*inputSample); effect += (chebyshev * eleventh); } if (twelvth != 0.0) { chebyshev = (2048 * inP12) - (6144 * inP10) + (6912 * inP8) - (3584 * inP6) + (840 * inP4) - (72 * inP2); effect += (chebyshev * twelvth); } if (thirteenth != 0.0) { chebyshev = (4096 * inP13) - (13312 * inP11) + (16640 * inP9) - (9984 * inP7) + (2912 * inP5) - (364 * inP3) + (13*inputSample); effect += (chebyshev * thirteenth); } //Yowza! Aren't we glad we're testing to see if we can skip these little bastards? inputSample += (effect * amount); //You too can make a horrible graunch and then SUBTRACT it leaving only the refreshing smell of pine... //32 bit dither, made small and tidy. int expon; frexpf((Float32)inputSample, &expon); long double dither = (rand()/(RAND_MAX*7.737125245533627e+25))*pow(2,expon+62); inputSample += (dither-fpNShape); fpNShape = dither; //end 32 bit dither *destP = inputSample; sourceP += inNumChannels; destP += inNumChannels; } }