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Diffstat (limited to 'plugins/MacAU/Pafnuty/Pafnuty.cpp')
| -rwxr-xr-x | plugins/MacAU/Pafnuty/Pafnuty.cpp | 426 |
1 files changed, 426 insertions, 0 deletions
diff --git a/plugins/MacAU/Pafnuty/Pafnuty.cpp b/plugins/MacAU/Pafnuty/Pafnuty.cpp new file mode 100755 index 0000000..8b59be3 --- /dev/null +++ b/plugins/MacAU/Pafnuty/Pafnuty.cpp @@ -0,0 +1,426 @@ +/* +* 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. 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. +* +*/ +/*============================================================================= + 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; + } +} + |