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Diffstat (limited to 'plugins/MacAU/DubCenter/DubCenter.cpp')
| -rwxr-xr-x | plugins/MacAU/DubCenter/DubCenter.cpp | 641 |
1 files changed, 641 insertions, 0 deletions
diff --git a/plugins/MacAU/DubCenter/DubCenter.cpp b/plugins/MacAU/DubCenter/DubCenter.cpp new file mode 100755 index 0000000..e0bfcae --- /dev/null +++ b/plugins/MacAU/DubCenter/DubCenter.cpp @@ -0,0 +1,641 @@ +/* +* File: DubCenter.cpp +* +* Version: 1.0 +* +* Created: 10/14/18 +* +* 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. +* +*/ +/*============================================================================= + DubCenter.cpp + +=============================================================================*/ +#include "DubCenter.h" + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +COMPONENT_ENTRY(DubCenter) + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// DubCenter::DubCenter +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +DubCenter::DubCenter(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 ); + +#if AU_DEBUG_DISPATCHER + mDebugDispatcher = new AUDebugDispatcher (this); +#endif + +} + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// DubCenter::GetParameterValueStrings +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult DubCenter::GetParameterValueStrings(AudioUnitScope inScope, + AudioUnitParameterID inParameterID, + CFArrayRef * outStrings) +{ + + return kAudioUnitErr_InvalidProperty; +} + + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// DubCenter::GetParameterInfo +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult DubCenter::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 = -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 = 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; + 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 = 0.0; + outParameterInfo.maxValue = 1.0; + outParameterInfo.defaultValue = kDefaultValue_ParamSeven; + break; + case kParam_Eight: + AUBase::FillInParameterName (outParameterInfo, kParameterEightName, false); + outParameterInfo.unit = kAudioUnitParameterUnit_Generic; + outParameterInfo.minValue = 0.0; + 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 = 0.0; + outParameterInfo.maxValue = 1.0; + outParameterInfo.defaultValue = kDefaultValue_ParamTen; + break; + default: + result = kAudioUnitErr_InvalidParameter; + break; + } + } else { + result = kAudioUnitErr_InvalidParameter; + } + + + + return result; +} + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// DubCenter::GetPropertyInfo +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult DubCenter::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 DubCenter::SupportedNumChannels(const AUChannelInfo ** outInfo) +{ + if (outInfo != NULL) + { + static AUChannelInfo info; + info.inChannels = 2; + info.outChannels = 2; + *outInfo = &info; + } + + return 1; +} + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// DubCenter::GetProperty +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult DubCenter::GetProperty( AudioUnitPropertyID inID, + AudioUnitScope inScope, + AudioUnitElement inElement, + void * outData ) +{ + return AUEffectBase::GetProperty (inID, inScope, inElement, outData); +} + +// DubCenter::Initialize +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult DubCenter::Initialize() +{ + ComponentResult result = AUEffectBase::Initialize(); + if (result == noErr) + Reset(kAudioUnitScope_Global, 0); + return result; +} + +#pragma mark ____DubCenterEffectKernel + + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// DubCenter::DubCenterKernel::Reset() +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +ComponentResult DubCenter::Reset(AudioUnitScope inScope, AudioUnitElement inElement) +{ + WasNegative = false; + SubOctave = false; + flip = false; + bflip = 0; + iirDriveSampleAL = 0.0; + iirDriveSampleBL = 0.0; + iirDriveSampleCL = 0.0; + iirDriveSampleDL = 0.0; + iirDriveSampleEL = 0.0; + iirDriveSampleFL = 0.0; + iirDriveSampleAR = 0.0; + iirDriveSampleBR = 0.0; + iirDriveSampleCR = 0.0; + iirDriveSampleDR = 0.0; + iirDriveSampleER = 0.0; + iirDriveSampleFR = 0.0; + + iirHeadBumpA = 0.0; + iirHeadBumpB = 0.0; + iirHeadBumpC = 0.0; + + iirSubBumpA = 0.0; + iirSubBumpB = 0.0; + iirSubBumpC = 0.0; + + lastHeadBump = 0.0; + lastSubBump = 0.0; + + iirSampleA = 0.0; + iirSampleB = 0.0; + iirSampleC = 0.0; + iirSampleD = 0.0; + iirSampleE = 0.0; + iirSampleF = 0.0; + iirSampleG = 0.0; + iirSampleH = 0.0; + iirSampleI = 0.0; + iirSampleJ = 0.0; + iirSampleK = 0.0; + iirSampleL = 0.0; + iirSampleM = 0.0; + iirSampleN = 0.0; + iirSampleO = 0.0; + iirSampleP = 0.0; + iirSampleQ = 0.0; + iirSampleR = 0.0; + iirSampleS = 0.0; + iirSampleT = 0.0; + iirSampleU = 0.0; + iirSampleV = 0.0; + iirSampleW = 0.0; + iirSampleX = 0.0; + iirSampleY = 0.0; + iirSampleZ = 0.0; + + oscGate = 1.0; + + fpNShapeL = 0.0; + fpNShapeR = 0.0; + return noErr; +} + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// DubCenter::ProcessBufferLists +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +OSStatus DubCenter::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; + long double overallscale = 1.0; + overallscale /= 44100.0; + overallscale *= GetSampleRate(); + Float64 driveone = pow(GetParameter( kParam_One )*3.0,2); + Float64 driveoutput = GetParameter( kParam_Two ); + Float64 iirAmount = ((GetParameter( kParam_Three )*0.33)+0.1)/overallscale; + Float64 ataLowpassL; + Float64 ataLowpassR; + Float64 ataLowpass; + Float64 randy; + Float64 invrandy; + Float64 HeadBump = 0.0; + Float64 BassGain = GetParameter( kParam_Four ) * 0.1; + Float64 HeadBumpFreq = ((GetParameter( kParam_Five )*0.1)+0.0001)/overallscale; + Float64 iirBmount = HeadBumpFreq/44.1; + Float64 altBmount = 1.0 - iirBmount; + Float64 BassOutGain = GetParameter( kParam_Six ); + Float64 SubBump = 0.0; + Float64 SubGain = GetParameter( kParam_Seven ) * 0.1; + Float64 SubBumpFreq = ((GetParameter( kParam_Eight )*0.1)+0.0001)/overallscale; + Float64 iirCmount = SubBumpFreq/44.1; + Float64 altCmount = 1.0 - iirCmount; + Float64 SubOutGain = GetParameter( kParam_Nine ); + Float64 clamp = 0.0; + Float64 out; + Float64 fuzz = 0.111; + Float64 wet = GetParameter( kParam_Ten ); + Float64 dry = 1.0-wet; + Float64 glitch = 0.60; + Float64 tempSample; + + while (nSampleFrames-- > 0) { + long double inputSampleL = *inputL; + long double inputSampleR = *inputR; + static int noisesourceL = 0; + static int noisesourceR = 850010; + int residue; + double applyresidue; + + noisesourceL = noisesourceL % 1700021; noisesourceL++; + residue = noisesourceL * noisesourceL; + 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; + inputSampleL += applyresidue; + if (inputSampleL<1.2e-38 && -inputSampleL<1.2e-38) { + inputSampleL -= applyresidue; + } + + noisesourceR = noisesourceR % 1700021; noisesourceR++; + residue = noisesourceR * noisesourceR; + 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; + inputSampleR += applyresidue; + if (inputSampleR<1.2e-38 && -inputSampleR<1.2e-38) { + inputSampleR -= 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 + long double drySampleL = inputSampleL; + long double drySampleR = inputSampleR; + + // here's the plan. + // Grind Boost + // Grind Output Level + // Bass Split Freq + // Bass Drive + // Bass Voicing + // Bass Output Level + // Sub Oct Drive + // Sub Voicing + // Sub Output Level + // Dry/Wet + + oscGate += fabs((inputSampleL + inputSampleR) * 5.0); + oscGate -= 0.001; + if (oscGate > 1.0) oscGate = 1.0; + if (oscGate < 0) oscGate = 0; + //got a value that only goes down low when there's silence or near silence on input + clamp = 1.0-oscGate; + clamp *= 0.00001; + //set up the thing to choke off oscillations- belt and suspenders affair + + + if (flip) + { + tempSample = inputSampleL; + iirDriveSampleAL = (iirDriveSampleAL * (1 - iirAmount)) + (inputSampleL * iirAmount); + inputSampleL -= iirDriveSampleAL; + iirDriveSampleCL = (iirDriveSampleCL * (1 - iirAmount)) + (inputSampleL * iirAmount); + inputSampleL -= iirDriveSampleCL; + iirDriveSampleEL = (iirDriveSampleEL * (1 - iirAmount)) + (inputSampleL * iirAmount); + inputSampleL -= iirDriveSampleEL; + ataLowpassL = tempSample - inputSampleL; + + tempSample = inputSampleR; + iirDriveSampleAR = (iirDriveSampleAR * (1 - iirAmount)) + (inputSampleR * iirAmount); + inputSampleR -= iirDriveSampleAR; + iirDriveSampleCR = (iirDriveSampleCR * (1 - iirAmount)) + (inputSampleR * iirAmount); + inputSampleR -= iirDriveSampleCR; + iirDriveSampleER = (iirDriveSampleER * (1 - iirAmount)) + (inputSampleR * iirAmount); + inputSampleR -= iirDriveSampleER; + ataLowpassR = tempSample - inputSampleR; + } + else + { + tempSample = inputSampleL; + iirDriveSampleBL = (iirDriveSampleBL * (1 - iirAmount)) + (inputSampleL * iirAmount); + inputSampleL -= iirDriveSampleBL; + iirDriveSampleDL = (iirDriveSampleDL * (1 - iirAmount)) + (inputSampleL * iirAmount); + inputSampleL -= iirDriveSampleDL; + iirDriveSampleFL = (iirDriveSampleFL * (1 - iirAmount)) + (inputSampleL * iirAmount); + inputSampleL -= iirDriveSampleFL; + ataLowpassL = tempSample - inputSampleL; + + tempSample = inputSampleR; + iirDriveSampleBR = (iirDriveSampleBR * (1 - iirAmount)) + (inputSampleR * iirAmount); + inputSampleR -= iirDriveSampleBR; + iirDriveSampleDR = (iirDriveSampleDR * (1 - iirAmount)) + (inputSampleR * iirAmount); + inputSampleR -= iirDriveSampleDR; + iirDriveSampleFR = (iirDriveSampleFR * (1 - iirAmount)) + (inputSampleR * iirAmount); + inputSampleR -= iirDriveSampleFR; + ataLowpassR = tempSample - inputSampleR; + } + //highpass section + + 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;} + + out = driveone; + while (out > glitch) + { + out -= glitch; + inputSampleL -= (inputSampleL * (fabs(inputSampleL) * glitch) * (fabs(inputSampleL) * glitch) ); + inputSampleL *= (1.0+glitch); + } + //that's taken care of the really high gain stuff + inputSampleL -= (inputSampleL * (fabs(inputSampleL) * out) * (fabs(inputSampleL) * out) ); + inputSampleL *= (1.0+out); + + + out = driveone; + while (out > glitch) + { + out -= glitch; + inputSampleR -= (inputSampleR * (fabs(inputSampleR) * glitch) * (fabs(inputSampleR) * glitch) ); + inputSampleR *= (1.0+glitch); + } + //that's taken care of the really high gain stuff + inputSampleR -= (inputSampleR * (fabs(inputSampleR) * out) * (fabs(inputSampleR) * out) ); + inputSampleR *= (1.0+out); + + ataLowpass = (ataLowpassL + ataLowpassR) / 2.0; + + if (ataLowpass > 0) + {if (WasNegative){SubOctave = not SubOctave;} WasNegative = false;} + else {WasNegative = true;} + //set up polarities for sub-bass version + randy = (rand()/(double)RAND_MAX)*fuzz; //0 to 1 the noise, may not be needed + invrandy = (1.0-randy); + randy /= 2.0; + //set up the noise + + iirSampleA = (iirSampleA * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleA; + iirSampleB = (iirSampleB * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleB; + iirSampleC = (iirSampleC * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleC; + iirSampleD = (iirSampleD * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleD; + iirSampleE = (iirSampleE * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleE; + iirSampleF = (iirSampleF * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleF; + iirSampleG = (iirSampleG * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleG; + iirSampleH = (iirSampleH * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleH; + iirSampleI = (iirSampleI * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleI; + iirSampleJ = (iirSampleJ * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleJ; + iirSampleK = (iirSampleK * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleK; + iirSampleL = (iirSampleL * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleL; + iirSampleM = (iirSampleM * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleM; + iirSampleN = (iirSampleN * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleN; + iirSampleO = (iirSampleO * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleO; + iirSampleP = (iirSampleP * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleP; + iirSampleQ = (iirSampleQ * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleQ; + iirSampleR = (iirSampleR * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleR; + iirSampleS = (iirSampleS * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleS; + iirSampleT = (iirSampleT * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleT; + iirSampleU = (iirSampleU * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleU; + iirSampleV = (iirSampleV * altBmount) + (ataLowpass * iirBmount); ataLowpass -= iirSampleV; + + switch (bflip) + { + case 1: + iirHeadBumpA += (ataLowpass * BassGain); + iirHeadBumpA -= (iirHeadBumpA * iirHeadBumpA * iirHeadBumpA * HeadBumpFreq); + iirHeadBumpA = (invrandy * iirHeadBumpA) + (randy * iirHeadBumpB) + (randy * iirHeadBumpC); + if (iirHeadBumpA > 0) iirHeadBumpA -= clamp; + if (iirHeadBumpA < 0) iirHeadBumpA += clamp; + HeadBump = iirHeadBumpA; + break; + case 2: + iirHeadBumpB += (ataLowpass * BassGain); + iirHeadBumpB -= (iirHeadBumpB * iirHeadBumpB * iirHeadBumpB * HeadBumpFreq); + iirHeadBumpB = (randy * iirHeadBumpA) + (invrandy * iirHeadBumpB) + (randy * iirHeadBumpC); + if (iirHeadBumpB > 0) iirHeadBumpB -= clamp; + if (iirHeadBumpB < 0) iirHeadBumpB += clamp; + HeadBump = iirHeadBumpB; + break; + case 3: + iirHeadBumpC += (ataLowpass * BassGain); + iirHeadBumpC -= (iirHeadBumpC * iirHeadBumpC * iirHeadBumpC * HeadBumpFreq); + iirHeadBumpC = (randy * iirHeadBumpA) + (randy * iirHeadBumpB) + (invrandy * iirHeadBumpC); + if (iirHeadBumpC > 0) iirHeadBumpC -= clamp; + if (iirHeadBumpC < 0) iirHeadBumpC += clamp; + HeadBump = iirHeadBumpC; + break; + } + + iirSampleW = (iirSampleW * altBmount) + (HeadBump * iirBmount); HeadBump -= iirSampleW; + iirSampleX = (iirSampleX * altBmount) + (HeadBump * iirBmount); HeadBump -= iirSampleX; + + SubBump = HeadBump; + iirSampleY = (iirSampleY * altCmount) + (SubBump * iirCmount); SubBump -= iirSampleY; + + SubBump = fabs(SubBump); + if (SubOctave == false) {SubBump = -SubBump;} + + switch (bflip) + { + case 1: + iirSubBumpA += (SubBump * SubGain); + iirSubBumpA -= (iirSubBumpA * iirSubBumpA * iirSubBumpA * SubBumpFreq); + iirSubBumpA = (invrandy * iirSubBumpA) + (randy * iirSubBumpB) + (randy * iirSubBumpC); + if (iirSubBumpA > 0) iirSubBumpA -= clamp; + if (iirSubBumpA < 0) iirSubBumpA += clamp; + SubBump = iirSubBumpA; + break; + case 2: + iirSubBumpB += (SubBump * SubGain); + iirSubBumpB -= (iirSubBumpB * iirSubBumpB * iirSubBumpB * SubBumpFreq); + iirSubBumpB = (randy * iirSubBumpA) + (invrandy * iirSubBumpB) + (randy * iirSubBumpC); + if (iirSubBumpB > 0) iirSubBumpB -= clamp; + if (iirSubBumpB < 0) iirSubBumpB += clamp; + SubBump = iirSubBumpB; + break; + case 3: + iirSubBumpC += (SubBump * SubGain); + iirSubBumpC -= (iirSubBumpC * iirSubBumpC * iirSubBumpC * SubBumpFreq); + iirSubBumpC = (randy * iirSubBumpA) + (randy * iirSubBumpB) + (invrandy * iirSubBumpC); + if (iirSubBumpC > 0) iirSubBumpC -= clamp; + if (iirSubBumpC < 0) iirSubBumpC += clamp; + SubBump = iirSubBumpC; + break; + } + + iirSampleZ = (iirSampleZ * altCmount) + (SubBump * iirCmount); SubBump -= iirSampleZ; + + inputSampleL *= driveoutput; //start with the drive section then add lows and subs + inputSampleR *= driveoutput; //start with the drive section then add lows and subs + + inputSampleL += ((HeadBump + lastHeadBump) * BassOutGain); + inputSampleL += ((SubBump + lastSubBump) * SubOutGain); + + inputSampleR += ((HeadBump + lastHeadBump) * BassOutGain); + inputSampleR += ((SubBump + lastSubBump) * SubOutGain); + + lastHeadBump = HeadBump; + lastSubBump = SubBump; + + if (wet != 1.0) { + inputSampleL = (inputSampleL * wet) + (drySampleL * dry); + inputSampleR = (inputSampleR * wet) + (drySampleR * dry); + } + //Dry/Wet control, defaults to the last slider + + flip = !flip; + bflip++; + if (bflip < 1 || bflip > 3) bflip = 1; + + //noise shaping to 32-bit floating point + Float32 fpTemp = inputSampleL; + fpNShapeL += (inputSampleL-fpTemp); + inputSampleL += fpNShapeL; + //if this confuses you look at the wordlength for fpTemp :) + fpTemp = inputSampleR; + fpNShapeR += (inputSampleR-fpTemp); + inputSampleR += fpNShapeR; + //for deeper space and warmth, we try a non-oscillating noise shaping + //that is kind of ruthless: it will forever retain the rounding errors + //except we'll dial it back a hair at the end of every buffer processed + //end noise shaping on 32 bit output + + *outputL = inputSampleL; + *outputR = inputSampleR; + //direct stereo out + + inputL += 1; + inputR += 1; + outputL += 1; + outputR += 1; + } + fpNShapeL *= 0.999999; + fpNShapeR *= 0.999999; + //we will just delicately dial back the FP noise shaping, not even every sample + //this is a good place to put subtle 'no runaway' calculations, though bear in mind + //that it will be called more often when you use shorter sample buffers in the DAW. + //So, very low latency operation will call these calculations more often. + return noErr; +} + |