/* * File: ConsoleHChannel.cpp * * Version: 1.0 * * Created: 11/4/25 * * Copyright: Copyright © 2025 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. 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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. * */ /*============================================================================= ConsoleHChannel.cpp =============================================================================*/ #include "ConsoleHChannel.h" //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ AUDIOCOMPONENT_ENTRY(AUBaseFactory, ConsoleHChannel) //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // ConsoleHChannel::ConsoleHChannel //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ConsoleHChannel::ConsoleHChannel(AudioUnit component) : AUEffectBase(component) { CreateElements(); Globals()->UseIndexedParameters(kNumberOfParameters); SetParameter(kParam_TRM, kDefaultValue_ParamTRM ); SetParameter(kParam_MOR, kDefaultValue_ParamMOR ); SetParameter(kParam_HIG, kDefaultValue_ParamHIG ); SetParameter(kParam_MID, kDefaultValue_ParamMID ); SetParameter(kParam_LOW, kDefaultValue_ParamLOW ); SetParameter(kParam_CRS, kDefaultValue_ParamCRS ); SetParameter(kParam_TRF, kDefaultValue_ParamTRF ); SetParameter(kParam_TRG, kDefaultValue_ParamTRG ); SetParameter(kParam_TRB, kDefaultValue_ParamTRB ); SetParameter(kParam_HMF, kDefaultValue_ParamHMF ); SetParameter(kParam_HMG, kDefaultValue_ParamHMG ); SetParameter(kParam_HMB, kDefaultValue_ParamHMB ); SetParameter(kParam_LMF, kDefaultValue_ParamLMF ); SetParameter(kParam_LMG, kDefaultValue_ParamLMG ); SetParameter(kParam_LMB, kDefaultValue_ParamLMB ); SetParameter(kParam_BSF, kDefaultValue_ParamBSF ); SetParameter(kParam_BSG, kDefaultValue_ParamBSG ); SetParameter(kParam_BSB, kDefaultValue_ParamBSB ); SetParameter(kParam_THR, kDefaultValue_ParamTHR ); SetParameter(kParam_ATK, kDefaultValue_ParamATK ); SetParameter(kParam_RLS, kDefaultValue_ParamRLS ); SetParameter(kParam_GAT, kDefaultValue_ParamGAT ); SetParameter(kParam_LOP, kDefaultValue_ParamLOP ); SetParameter(kParam_HIP, kDefaultValue_ParamHIP ); SetParameter(kParam_PAN, kDefaultValue_ParamPAN ); SetParameter(kParam_FAD, kDefaultValue_ParamFAD ); #if AU_DEBUG_DISPATCHER mDebugDispatcher = new AUDebugDispatcher (this); #endif } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // ConsoleHChannel::GetParameterValueStrings //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ComponentResult ConsoleHChannel::GetParameterValueStrings(AudioUnitScope inScope, AudioUnitParameterID inParameterID, CFArrayRef * outStrings) { return kAudioUnitErr_InvalidProperty; } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // ConsoleHChannel::GetParameterInfo //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ComponentResult ConsoleHChannel::GetParameterInfo(AudioUnitScope inScope, AudioUnitParameterID inParameterID, AudioUnitParameterInfo &outParameterInfo ) { ComponentResult result = noErr; outParameterInfo.flags = kAudioUnitParameterFlag_IsWritable | kAudioUnitParameterFlag_IsReadable; if (inScope == kAudioUnitScope_Global) { switch(inParameterID) { case kParam_TRM: AUBase::FillInParameterName (outParameterInfo, kParameterTRMName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Indexed; outParameterInfo.minValue = 0; outParameterInfo.maxValue = 4; outParameterInfo.defaultValue = kDefaultValue_ParamTRM; break; case kParam_MOR: AUBase::FillInParameterName (outParameterInfo, kParameterMORName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = 0.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamMOR; break; case kParam_HIG: AUBase::FillInParameterName (outParameterInfo, kParameterHIGName, false); outParameterInfo.unit = kAudioUnitParameterUnit_CustomUnit; outParameterInfo.unitName = kParameterHIGUnit; outParameterInfo.minValue = 0.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamHIG; break; case kParam_MID: AUBase::FillInParameterName (outParameterInfo, kParameterMIDName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = 0.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamMID; break; case kParam_LOW: AUBase::FillInParameterName (outParameterInfo, kParameterLOWName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = 0.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamLOW; break; case kParam_CRS: AUBase::FillInParameterName (outParameterInfo, kParameterCRSName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = 0.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamCRS; break; case kParam_TRF: AUBase::FillInParameterName (outParameterInfo, kParameterTRFName, false); outParameterInfo.unit = kAudioUnitParameterUnit_CustomUnit; outParameterInfo.unitName = kParameterTRFUnit; outParameterInfo.minValue = 0.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamTRF; break; case kParam_TRG: AUBase::FillInParameterName (outParameterInfo, kParameterTRGName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = 0.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamTRG; break; case kParam_TRB: AUBase::FillInParameterName (outParameterInfo, kParameterTRBName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = 0.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamTRB; break; case kParam_HMF: AUBase::FillInParameterName (outParameterInfo, kParameterHMFName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = 0.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamHMF; break; case kParam_HMG: AUBase::FillInParameterName (outParameterInfo, kParameterHMGName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = 0.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamHMG; break; case kParam_HMB: AUBase::FillInParameterName (outParameterInfo, kParameterHMBName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = 0.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamHMB; break; case kParam_LMF: AUBase::FillInParameterName (outParameterInfo, kParameterLMFName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = 0.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamLMF; break; case kParam_LMG: AUBase::FillInParameterName (outParameterInfo, kParameterLMGName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = 0.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamLMG; break; case kParam_LMB: AUBase::FillInParameterName (outParameterInfo, kParameterLMBName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = 0.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamLMB; break; case kParam_BSF: AUBase::FillInParameterName (outParameterInfo, kParameterBSFName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = 0.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamBSF; break; case kParam_BSG: AUBase::FillInParameterName (outParameterInfo, kParameterBSGName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = 0.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamBSG; break; case kParam_BSB: AUBase::FillInParameterName (outParameterInfo, kParameterBSBName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = 0.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamBSB; break; case kParam_THR: AUBase::FillInParameterName (outParameterInfo, kParameterTHRName, false); outParameterInfo.unit = kAudioUnitParameterUnit_CustomUnit; outParameterInfo.unitName = kParameterTHRUnit; outParameterInfo.minValue = 0.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamTHR; break; case kParam_ATK: AUBase::FillInParameterName (outParameterInfo, kParameterATKName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = 0.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamATK; break; case kParam_RLS: AUBase::FillInParameterName (outParameterInfo, kParameterRLSName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = 0.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamRLS; break; case kParam_GAT: AUBase::FillInParameterName (outParameterInfo, kParameterGATName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = 0.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamGAT; break; case kParam_LOP: AUBase::FillInParameterName (outParameterInfo, kParameterLOPName, false); outParameterInfo.unit = kAudioUnitParameterUnit_CustomUnit; outParameterInfo.unitName = kParameterLOPUnit; outParameterInfo.minValue = 0.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamLOP; break; case kParam_HIP: AUBase::FillInParameterName (outParameterInfo, kParameterHIPName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = 0.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamHIP; break; case kParam_PAN: AUBase::FillInParameterName (outParameterInfo, kParameterPANName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = 0.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamPAN; break; case kParam_FAD: AUBase::FillInParameterName (outParameterInfo, kParameterFADName, false); outParameterInfo.unit = kAudioUnitParameterUnit_Generic; outParameterInfo.minValue = 0.0; outParameterInfo.maxValue = 1.0; outParameterInfo.defaultValue = kDefaultValue_ParamFAD; break; default: result = kAudioUnitErr_InvalidParameter; break; } } else { result = kAudioUnitErr_InvalidParameter; } return result; } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // ConsoleHChannel::GetPropertyInfo //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ComponentResult ConsoleHChannel::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 ConsoleHChannel::SupportedNumChannels(const AUChannelInfo ** outInfo) { if (outInfo != NULL) { static AUChannelInfo info; info.inChannels = 2; info.outChannels = 2; *outInfo = &info; } return 1; } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // ConsoleHChannel::GetProperty //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ComponentResult ConsoleHChannel::GetProperty( AudioUnitPropertyID inID, AudioUnitScope inScope, AudioUnitElement inElement, void * outData ) { return AUEffectBase::GetProperty (inID, inScope, inElement, outData); } // ConsoleHChannel::Initialize //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ComponentResult ConsoleHChannel::Initialize() { ComponentResult result = AUEffectBase::Initialize(); if (result == noErr) Reset(kAudioUnitScope_Global, 0); return result; } #pragma mark ____ConsoleHChannelEffectKernel //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // ConsoleHChannel::ConsoleHChannelKernel::Reset() //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ComponentResult ConsoleHChannel::Reset(AudioUnitScope inScope, AudioUnitElement inElement) { for (int x = 0; x < biq_total; x++) { highFast[x] = 0.0; lowFast[x] = 0.0; } highFastLIIR = 0.0; highFastRIIR = 0.0; lowFastLIIR = 0.0; lowFastRIIR = 0.0; //SmoothEQ3 for (int x = 0; x < biqs_total; x++) { high[x] = 0.0; hmid[x] = 0.0; lmid[x] = 0.0; bass[x] = 0.0; } //HipCrush with four bands for (int x = 0; x < bez_total; x++) bezComp[x] = 0.0; bezComp[bez_cycle] = 1.0; bezMax = 0.0; bezMin = 0.0; bezGate = 2.0; //Dynamics3 for(int count = 0; count < 22; count++) { iirHPositionL[count] = 0.0; iirHAngleL[count] = 0.0; iirHPositionR[count] = 0.0; iirHAngleR[count] = 0.0; } hBypass = false; for(int count = 0; count < 14; count++) { iirLPositionL[count] = 0.0; iirLAngleL[count] = 0.0; iirLPositionR[count] = 0.0; iirLAngleR[count] = 0.0; } lBypass = false; //Cabs2 for(int count = 0; count < dscBuf+2; count++) { dBaL[count] = 0.0; dBaR[count] = 0.0; } dBaPosL = 0.0; dBaPosR = 0.0; dBaXL = 1; dBaXR = 1; //Discontapeity for (int x = 0; x < 33; x++) {avg32L[x] = 0.0; post32L[x] = 0.0; avg32R[x] = 0.0; post32R[x] = 0.0;} for (int x = 0; x < 17; x++) {avg16L[x] = 0.0; post16L[x] = 0.0; avg16R[x] = 0.0; post16R[x] = 0.0;} for (int x = 0; x < 9; x++) {avg8L[x] = 0.0; post8L[x] = 0.0; avg8R[x] = 0.0; post8R[x] = 0.0;} for (int x = 0; x < 5; x++) {avg4L[x] = 0.0; post4L[x] = 0.0; avg4R[x] = 0.0; post4R[x] = 0.0;} for (int x = 0; x < 3; x++) {avg2L[x] = 0.0; post2L[x] = 0.0; avg2R[x] = 0.0; post2R[x] = 0.0;} avgPos = 0; lastDarkL = 0.0; lastDarkR = 0.0; //preTapeHack lFreqA = 1.0; lFreqB = 1.0; hFreqA = 0.0; hFreqB = 0.0; panA = 0.5; panB = 0.5; inTrimA = 0.5; inTrimB = 0.5; fpdL = 1.0; while (fpdL < 16386) fpdL = rand()*UINT32_MAX; fpdR = 1.0; while (fpdR < 16386) fpdR = rand()*UINT32_MAX; return noErr; } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // ConsoleHChannel::ProcessBufferLists //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ OSStatus ConsoleHChannel::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(); int spacing = floor(overallscale*2.0); if (spacing < 2) spacing = 2; if (spacing > 32) spacing = 32; double moreTapeHack = (GetParameter( kParam_MOR )*2.0)+1.0; bool tapehackOff = (GetParameter( kParam_MOR ) == 0.0); switch ((int)GetParameter( kParam_TRM )){ case 0: moreTapeHack *= 0.5; break; case 1: break; case 2: moreTapeHack *= 2.0; break; case 3: moreTapeHack *= 4.0; break; case 4: moreTapeHack *= 8.0; break; } double moreDiscontinuity = fmax(pow(GetParameter( kParam_MOR )*0.42,3.0)*overallscale,0.00001); //Discontapeity double trebleGain = (GetParameter( kParam_HIG )-0.5)*2.0; trebleGain = 1.0+(trebleGain*fabs(trebleGain)*fabs(trebleGain)); double midGain = (GetParameter( kParam_MID )-0.5)*2.0; midGain = 1.0+(midGain*fabs(midGain)*fabs(midGain)); double bassGain = (GetParameter( kParam_LOW )-0.5)*2.0; bassGain = 1.0+(bassGain*fabs(bassGain)*fabs(bassGain)); //separate from filtering stage, this is amplitude, centered on 1.0 unity gain double highCoef = 0.0; double lowCoef = 0.0; double omega = 0.0; double biqK = 0.0; double norm = 0.0; bool eqOff = (trebleGain == 1.0 && midGain == 1.0 && bassGain == 1.0); //we get to completely bypass EQ if we're truly not using it. The mechanics of it mean that //it cancels out to bit-identical anyhow, but we get to skip the calculation if (!eqOff) { //SmoothEQ3 is how to get 3rd order steepness at very low CPU. //because sample rate varies, you could also vary the crossovers //you can't vary Q because math is simplified to take advantage of //how the accurate Q value for this filter is always exactly 1.0. highFast[biq_freq] = (4000.0/GetSampleRate()); omega = 2.0*M_PI*(4000.0/GetSampleRate()); //mid-high crossover freq biqK = 2.0 - cos(omega); highCoef = -sqrt(biqK*biqK - 1.0) + biqK; lowFast[biq_freq] = (200.0/GetSampleRate()); omega = 2.0*M_PI*(200.0/GetSampleRate()); //low-mid crossover freq biqK = 2.0 - cos(omega); lowCoef = -sqrt(biqK*biqK - 1.0) + biqK; //exponential IIR filter as part of an accurate 3rd order Butterworth filter biqK = tan(M_PI * highFast[biq_freq]); norm = 1.0 / (1.0 + biqK + biqK*biqK); highFast[biq_a0] = biqK * biqK * norm; highFast[biq_a1] = 2.0 * highFast[biq_a0]; highFast[biq_a2] = highFast[biq_a0]; highFast[biq_b1] = 2.0 * (biqK*biqK - 1.0) * norm; highFast[biq_b2] = (1.0 - biqK + biqK*biqK) * norm; biqK = tan(M_PI * lowFast[biq_freq]); norm = 1.0 / (1.0 + biqK + biqK*biqK); lowFast[biq_a0] = biqK * biqK * norm; lowFast[biq_a1] = 2.0 * lowFast[biq_a0]; lowFast[biq_a2] = lowFast[biq_a0]; lowFast[biq_b1] = 2.0 * (biqK*biqK - 1.0) * norm; lowFast[biq_b2] = (1.0 - biqK + biqK*biqK) * norm; //custom biquad setup with Q = 1.0 gets to omit some divides } //SmoothEQ3 double crossFade = GetParameter( kParam_CRS ); bool hipcrushOff = (crossFade == 0.0); if (!hipcrushOff) { high[biqs_freq] = (((pow(GetParameter( kParam_TRF ),2.0)*16000.0)+1000.0)/GetSampleRate()); if (high[biqs_freq] < 0.0001) high[biqs_freq] = 0.0001; high[biqs_bit] = (GetParameter( kParam_TRB )*2.0)-1.0; high[biqs_level] = (1.0-pow(1.0-GetParameter( kParam_TRG ),2.0))*1.618033988749894848204586; high[biqs_reso] = pow(GetParameter( kParam_TRG )+0.618033988749894848204586,2.0); biqK = tan(M_PI * high[biqs_freq]); norm = 1.0 / (1.0 + biqK / (high[biqs_reso]*0.618033988749894848204586) + biqK * biqK); high[biqs_a0] = biqK / (high[biqs_reso]*0.618033988749894848204586) * norm; high[biqs_b1] = 2.0 * (biqK * biqK - 1.0) * norm; high[biqs_b2] = (1.0 - biqK / (high[biqs_reso]*0.618033988749894848204586) + biqK * biqK) * norm; norm = 1.0 / (1.0 + biqK / (high[biqs_reso]*1.618033988749894848204586) + biqK * biqK); high[biqs_c0] = biqK / (high[biqs_reso]*1.618033988749894848204586) * norm; high[biqs_d1] = 2.0 * (biqK * biqK - 1.0) * norm; high[biqs_d2] = (1.0 - biqK / (high[biqs_reso]*1.618033988749894848204586) + biqK * biqK) * norm; //high hmid[biqs_freq] = (((pow(GetParameter( kParam_HMF ),3.0)*7000.0)+300.0)/GetSampleRate()); if (hmid[biqs_freq] < 0.0001) hmid[biqs_freq] = 0.0001; hmid[biqs_bit] = (GetParameter( kParam_HMB )*2.0)-1.0; hmid[biqs_level] = (1.0-pow(1.0-GetParameter( kParam_HMG ),2.0))*1.618033988749894848204586; hmid[biqs_reso] = pow(GetParameter( kParam_HMG )+0.618033988749894848204586,2.0); biqK = tan(M_PI * hmid[biqs_freq]); norm = 1.0 / (1.0 + biqK / (hmid[biqs_reso]*0.618033988749894848204586) + biqK * biqK); hmid[biqs_a0] = biqK / (hmid[biqs_reso]*0.618033988749894848204586) * norm; hmid[biqs_b1] = 2.0 * (biqK * biqK - 1.0) * norm; hmid[biqs_b2] = (1.0 - biqK / (hmid[biqs_reso]*0.618033988749894848204586) + biqK * biqK) * norm; norm = 1.0 / (1.0 + biqK / (hmid[biqs_reso]*1.618033988749894848204586) + biqK * biqK); hmid[biqs_c0] = biqK / (hmid[biqs_reso]*1.618033988749894848204586) * norm; hmid[biqs_d1] = 2.0 * (biqK * biqK - 1.0) * norm; hmid[biqs_d2] = (1.0 - biqK / (hmid[biqs_reso]*1.618033988749894848204586) + biqK * biqK) * norm; //hmid lmid[biqs_freq] = (((pow(GetParameter( kParam_LMF ),3.0)*3000.0)+40.0)/GetSampleRate()); if (lmid[biqs_freq] < 0.00001) lmid[biqs_freq] = 0.00001; lmid[biqs_bit] = (GetParameter( kParam_LMB )*2.0)-1.0; lmid[biqs_level] = (1.0-pow(1.0-GetParameter( kParam_LMG ),2.0))*1.618033988749894848204586; lmid[biqs_reso] = pow(GetParameter( kParam_LMG )+0.618033988749894848204586,2.0); biqK = tan(M_PI * lmid[biqs_freq]); norm = 1.0 / (1.0 + biqK / (lmid[biqs_reso]*0.618033988749894848204586) + biqK * biqK); lmid[biqs_a0] = biqK / (lmid[biqs_reso]*0.618033988749894848204586) * norm; lmid[biqs_b1] = 2.0 * (biqK * biqK - 1.0) * norm; lmid[biqs_b2] = (1.0 - biqK / (lmid[biqs_reso]*0.618033988749894848204586) + biqK * biqK) * norm; norm = 1.0 / (1.0 + biqK / (lmid[biqs_reso]*1.618033988749894848204586) + biqK * biqK); lmid[biqs_c0] = biqK / (lmid[biqs_reso]*1.618033988749894848204586) * norm; lmid[biqs_d1] = 2.0 * (biqK * biqK - 1.0) * norm; lmid[biqs_d2] = (1.0 - biqK / (lmid[biqs_reso]*1.618033988749894848204586) + biqK * biqK) * norm; //lmid bass[biqs_freq] = (((pow(GetParameter( kParam_BSF ),4.0)*1000.0)+20.0)/GetSampleRate()); if (bass[biqs_freq] < 0.00001) bass[biqs_freq] = 0.00001; bass[biqs_bit] = (GetParameter( kParam_BSB )*2.0)-1.0; bass[biqs_level] = (1.0-pow(1.0-GetParameter( kParam_BSG ),2.0))*1.618033988749894848204586; bass[biqs_reso] = pow(GetParameter( kParam_BSG )+0.618033988749894848204586,2.0); biqK = tan(M_PI * bass[biqs_freq]); norm = 1.0 / (1.0 + biqK / (bass[biqs_reso]*0.618033988749894848204586) + biqK * biqK); bass[biqs_a0] = biqK / (bass[biqs_reso]*0.618033988749894848204586) * norm; bass[biqs_b1] = 2.0 * (biqK * biqK - 1.0) * norm; bass[biqs_b2] = (1.0 - biqK / (bass[biqs_reso]*0.618033988749894848204586) + biqK * biqK) * norm; norm = 1.0 / (1.0 + biqK / (bass[biqs_reso]*1.618033988749894848204586) + biqK * biqK); bass[biqs_c0] = biqK / (bass[biqs_reso]*1.618033988749894848204586) * norm; bass[biqs_d1] = 2.0 * (biqK * biqK - 1.0) * norm; bass[biqs_d2] = (1.0 - biqK / (bass[biqs_reso]*1.618033988749894848204586) + biqK * biqK) * norm; //bass } //HipCrush with four bands double bezThresh = pow(1.0-GetParameter( kParam_THR ), 4.0) * 8.0; double bezRez = pow(1.0-GetParameter( kParam_ATK ), 4.0) / overallscale; double sloRez = pow(1.0-GetParameter( kParam_RLS ), 4.0) / overallscale; double gate = pow(GetParameter( kParam_GAT ),4.0); bezRez = fmin(fmax(bezRez,0.0001),1.0); sloRez = fmin(fmax(sloRez,0.0001),1.0); //Dynamics3 lFreqA = lFreqB; lFreqB = pow(fmax(GetParameter( kParam_LOP ),0.002),overallscale); //the lowpass hFreqA = hFreqB; hFreqB = pow(GetParameter( kParam_HIP ),overallscale+2.0); //the highpass //Cabs2 panA = panB; panB = GetParameter( kParam_PAN )*1.57079633; inTrimA = inTrimB; inTrimB = GetParameter( kParam_FAD )*2.0; //Console 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; inputSampleL *= moreTapeHack; inputSampleR *= moreTapeHack; //trim control gets to work even when MORE is off if (!tapehackOff) { double darkSampleL = inputSampleL; double darkSampleR = inputSampleR; if (avgPos > 31) avgPos = 0; if (spacing > 31) { avg32L[avgPos] = darkSampleL; avg32R[avgPos] = darkSampleR; darkSampleL = 0.0; darkSampleR = 0.0; for (int x = 0; x < 32; x++) {darkSampleL += avg32L[x]; darkSampleR += avg32R[x];} darkSampleL /= 32.0; darkSampleR /= 32.0; } if (spacing > 15) { avg16L[avgPos%16] = darkSampleL; avg16R[avgPos%16] = darkSampleR; darkSampleL = 0.0; darkSampleR = 0.0; for (int x = 0; x < 16; x++) {darkSampleL += avg16L[x]; darkSampleR += avg16R[x];} darkSampleL /= 16.0; darkSampleR /= 16.0; } if (spacing > 7) { avg8L[avgPos%8] = darkSampleL; avg8R[avgPos%8] = darkSampleR; darkSampleL = 0.0; darkSampleR = 0.0; for (int x = 0; x < 8; x++) {darkSampleL += avg8L[x]; darkSampleR += avg8R[x];} darkSampleL /= 8.0; darkSampleR /= 8.0; } if (spacing > 3) { avg4L[avgPos%4] = darkSampleL; avg4R[avgPos%4] = darkSampleR; darkSampleL = 0.0; darkSampleR = 0.0; for (int x = 0; x < 4; x++) {darkSampleL += avg4L[x]; darkSampleR += avg4R[x];} darkSampleL /= 4.0; darkSampleR /= 4.0; } if (spacing > 1) { avg2L[avgPos%2] = darkSampleL; avg2R[avgPos%2] = darkSampleR; darkSampleL = 0.0; darkSampleR = 0.0; for (int x = 0; x < 2; x++) {darkSampleL += avg2L[x]; darkSampleR += avg2R[x];} darkSampleL /= 2.0; darkSampleR /= 2.0; } //only update avgPos after the post-distortion filter stage double avgSlewL = fmin(fabs(lastDarkL-inputSampleL)*0.12*overallscale,1.0); avgSlewL = 1.0-(1.0-avgSlewL*1.0-avgSlewL); inputSampleL = (inputSampleL*(1.0-avgSlewL)) + (darkSampleL*avgSlewL); lastDarkL = darkSampleL; double avgSlewR = fmin(fabs(lastDarkR-inputSampleR)*0.12*overallscale,1.0); avgSlewR = 1.0-(1.0-avgSlewR*1.0-avgSlewR); inputSampleR = (inputSampleR*(1.0-avgSlewR)) + (darkSampleR*avgSlewR); lastDarkR = darkSampleR; //begin Discontinuity section inputSampleL *= moreDiscontinuity; dBaL[dBaXL] = inputSampleL; dBaPosL *= 0.5; dBaPosL += fabs((inputSampleL*((inputSampleL*0.25)-0.5))*0.5); dBaPosL = fmin(dBaPosL,1.0); int dBdly = floor(dBaPosL*dscBuf); double dBi = (dBaPosL*dscBuf)-dBdly; inputSampleL = dBaL[dBaXL-dBdly +((dBaXL-dBdly < 0)?dscBuf:0)]*(1.0-dBi); dBdly++; inputSampleL += dBaL[dBaXL-dBdly +((dBaXL-dBdly < 0)?dscBuf:0)]*dBi; dBaXL++; if (dBaXL < 0 || dBaXL >= dscBuf) dBaXL = 0; inputSampleL /= moreDiscontinuity; //end Discontinuity section, begin TapeHack section inputSampleL = fmax(fmin(inputSampleL,2.305929007734908),-2.305929007734908); double addtwo = inputSampleL * inputSampleL; double empower = inputSampleL * addtwo; // inputSampleL to the third power inputSampleL -= (empower / 6.0); empower *= addtwo; // to the fifth power inputSampleL += (empower / 69.0); empower *= addtwo; //seventh inputSampleL -= (empower / 2530.08); empower *= addtwo; //ninth inputSampleL += (empower / 224985.6); empower *= addtwo; //eleventh inputSampleL -= (empower / 9979200.0f); //this is a degenerate form of a Taylor Series to approximate sin() //end TapeHack section //begin Discontinuity section inputSampleR *= moreDiscontinuity; dBaR[dBaXR] = inputSampleR; dBaPosR *= 0.5; dBaPosR += fabs((inputSampleR*((inputSampleR*0.25)-0.5))*0.5); dBaPosR = fmin(dBaPosR,1.0); dBdly = floor(dBaPosR*dscBuf); dBi = (dBaPosR*dscBuf)-dBdly; inputSampleR = dBaR[dBaXR-dBdly +((dBaXR-dBdly < 0)?dscBuf:0)]*(1.0-dBi); dBdly++; inputSampleR += dBaR[dBaXR-dBdly +((dBaXR-dBdly < 0)?dscBuf:0)]*dBi; dBaXR++; if (dBaXR < 0 || dBaXR >= dscBuf) dBaXR = 0; inputSampleR /= moreDiscontinuity; //end Discontinuity section, begin TapeHack section inputSampleR = fmax(fmin(inputSampleR,2.305929007734908),-2.305929007734908); addtwo = inputSampleR * inputSampleR; empower = inputSampleR * addtwo; // inputSampleR to the third power inputSampleR -= (empower / 6.0); empower *= addtwo; // to the fifth power inputSampleR += (empower / 69.0); empower *= addtwo; //seventh inputSampleR -= (empower / 2530.08); empower *= addtwo; //ninth inputSampleR += (empower / 224985.6); empower *= addtwo; //eleventh inputSampleR -= (empower / 9979200.0f); //this is a degenerate form of a Taylor Series to approximate sin() //end TapeHack section //Discontapeity darkSampleL = inputSampleL; darkSampleR = inputSampleR; if (avgPos > 31) avgPos = 0; if (spacing > 31) { post32L[avgPos] = darkSampleL; post32R[avgPos] = darkSampleR; darkSampleL = 0.0; darkSampleR = 0.0; for (int x = 0; x < 32; x++) {darkSampleL += post32L[x]; darkSampleR += post32R[x];} darkSampleL /= 32.0; darkSampleR /= 32.0; } if (spacing > 15) { post16L[avgPos%16] = darkSampleL; post16R[avgPos%16] = darkSampleR; darkSampleL = 0.0; darkSampleR = 0.0; for (int x = 0; x < 16; x++) {darkSampleL += post16L[x]; darkSampleR += post16R[x];} darkSampleL /= 16.0; darkSampleR /= 16.0; } if (spacing > 7) { post8L[avgPos%8] = darkSampleL; post8R[avgPos%8] = darkSampleR; darkSampleL = 0.0; darkSampleR = 0.0; for (int x = 0; x < 8; x++) {darkSampleL += post8L[x]; darkSampleR += post8R[x];} darkSampleL /= 8.0; darkSampleR /= 8.0; } if (spacing > 3) { post4L[avgPos%4] = darkSampleL; post4R[avgPos%4] = darkSampleR; darkSampleL = 0.0; darkSampleR = 0.0; for (int x = 0; x < 4; x++) {darkSampleL += post4L[x]; darkSampleR += post4R[x];} darkSampleL /= 4.0; darkSampleR /= 4.0; } if (spacing > 1) { post2L[avgPos%2] = darkSampleL; post2R[avgPos%2] = darkSampleR; darkSampleL = 0.0; darkSampleR = 0.0; for (int x = 0; x < 2; x++) {darkSampleL += post2L[x]; darkSampleR += post2R[x];} darkSampleL /= 2.0; darkSampleR /= 2.0; } avgPos++; inputSampleL = (inputSampleL*(1.0-avgSlewL)) + (darkSampleL*avgSlewL); inputSampleR = (inputSampleR*(1.0-avgSlewR)) + (darkSampleR*avgSlewR); //use the previously calculated depth of the filter } double smoothEQL = inputSampleL; double smoothEQR = inputSampleR; if (!eqOff) { double trebleFastL = inputSampleL; double outSample = (trebleFastL * highFast[biq_a0]) + highFast[biq_sL1]; highFast[biq_sL1] = (trebleFastL * highFast[biq_a1]) - (outSample * highFast[biq_b1]) + highFast[biq_sL2]; highFast[biq_sL2] = (trebleFastL * highFast[biq_a2]) - (outSample * highFast[biq_b2]); double midFastL = outSample; trebleFastL -= midFastL; outSample = (midFastL * lowFast[biq_a0]) + lowFast[biq_sL1]; lowFast[biq_sL1] = (midFastL * lowFast[biq_a1]) - (outSample * lowFast[biq_b1]) + lowFast[biq_sL2]; lowFast[biq_sL2] = (midFastL * lowFast[biq_a2]) - (outSample * lowFast[biq_b2]); double bassFastL = outSample; midFastL -= bassFastL; trebleFastL = (bassFastL*bassGain) + (midFastL*midGain) + (trebleFastL*trebleGain); //first stage of two crossovers is biquad of exactly 1.0 Q highFastLIIR = (highFastLIIR*highCoef) + (trebleFastL*(1.0-highCoef)); midFastL = highFastLIIR; trebleFastL -= midFastL; lowFastLIIR = (lowFastLIIR*lowCoef) + (midFastL*(1.0-lowCoef)); bassFastL = lowFastLIIR; midFastL -= bassFastL; smoothEQL = (bassFastL*bassGain) + (midFastL*midGain) + (trebleFastL*trebleGain); //second stage of two crossovers is the exponential filters //this produces a slightly steeper Butterworth filter very cheaply double trebleFastR = inputSampleR; outSample = (trebleFastR * highFast[biq_a0]) + highFast[biq_sR1]; highFast[biq_sR1] = (trebleFastR * highFast[biq_a1]) - (outSample * highFast[biq_b1]) + highFast[biq_sR2]; highFast[biq_sR2] = (trebleFastR * highFast[biq_a2]) - (outSample * highFast[biq_b2]); double midFastR = outSample; trebleFastR -= midFastR; outSample = (midFastR * lowFast[biq_a0]) + lowFast[biq_sR1]; lowFast[biq_sR1] = (midFastR * lowFast[biq_a1]) - (outSample * lowFast[biq_b1]) + lowFast[biq_sR2]; lowFast[biq_sR2] = (midFastR * lowFast[biq_a2]) - (outSample * lowFast[biq_b2]); double bassFastR = outSample; midFastR -= bassFastR; trebleFastR = (bassFastR*bassGain) + (midFastR*midGain) + (trebleFastR*trebleGain); //first stage of two crossovers is biquad of exactly 1.0 Q highFastRIIR = (highFastRIIR*highCoef) + (trebleFastR*(1.0-highCoef)); midFastR = highFastRIIR; trebleFastR -= midFastR; lowFastRIIR = (lowFastRIIR*lowCoef) + (midFastR*(1.0-lowCoef)); bassFastR = lowFastRIIR; midFastR -= bassFastR; smoothEQR = (bassFastR*bassGain) + (midFastR*midGain) + (trebleFastR*trebleGain); //second stage of two crossovers is the exponential filters //this produces a slightly steeper Butterworth filter very cheaply } //SmoothEQ3 double parametricL = 0.0; double parametricR = 0.0; if (!hipcrushOff) { //begin Stacked Biquad With Reversed Neutron Flow L high[biqs_outL] = inputSampleL * fabs(high[biqs_level]); high[biqs_temp] = (high[biqs_outL] * high[biqs_a0]) + high[biqs_aL1]; high[biqs_aL1] = high[biqs_aL2] - (high[biqs_temp]*high[biqs_b1]); high[biqs_aL2] = (high[biqs_outL] * -high[biqs_a0]) - (high[biqs_temp]*high[biqs_b2]); high[biqs_outL] = high[biqs_temp]; if (high[biqs_bit] != 0.0) { double bitFactor = high[biqs_bit]; bool crushGate = (bitFactor < 0.0); bitFactor = pow(2.0,fmin(fmax((1.0-fabs(bitFactor))*16.0,0.5),16.0)); high[biqs_outL] *= bitFactor; high[biqs_outL] = floor(high[biqs_outL]+(crushGate?0.5/bitFactor:0.0)); high[biqs_outL] /= bitFactor; } high[biqs_temp] = (high[biqs_outL] * high[biqs_c0]) + high[biqs_cL1]; high[biqs_cL1] = high[biqs_cL2] - (high[biqs_temp]*high[biqs_d1]); high[biqs_cL2] = (high[biqs_outL] * -high[biqs_c0]) - (high[biqs_temp]*high[biqs_d2]); high[biqs_outL] = high[biqs_temp]; high[biqs_outL] *= high[biqs_level]; //end Stacked Biquad With Reversed Neutron Flow L //begin Stacked Biquad With Reversed Neutron Flow L hmid[biqs_outL] = inputSampleL * fabs(hmid[biqs_level]); hmid[biqs_temp] = (hmid[biqs_outL] * hmid[biqs_a0]) + hmid[biqs_aL1]; hmid[biqs_aL1] = hmid[biqs_aL2] - (hmid[biqs_temp]*hmid[biqs_b1]); hmid[biqs_aL2] = (hmid[biqs_outL] * -hmid[biqs_a0]) - (hmid[biqs_temp]*hmid[biqs_b2]); hmid[biqs_outL] = hmid[biqs_temp]; if (hmid[biqs_bit] != 0.0) { double bitFactor = hmid[biqs_bit]; bool crushGate = (bitFactor < 0.0); bitFactor = pow(2.0,fmin(fmax((1.0-fabs(bitFactor))*16.0,0.5),16.0)); hmid[biqs_outL] *= bitFactor; hmid[biqs_outL] = floor(hmid[biqs_outL]+(crushGate?0.5/bitFactor:0.0)); hmid[biqs_outL] /= bitFactor; } hmid[biqs_temp] = (hmid[biqs_outL] * hmid[biqs_c0]) + hmid[biqs_cL1]; hmid[biqs_cL1] = hmid[biqs_cL2] - (hmid[biqs_temp]*hmid[biqs_d1]); hmid[biqs_cL2] = (hmid[biqs_outL] * -hmid[biqs_c0]) - (hmid[biqs_temp]*hmid[biqs_d2]); hmid[biqs_outL] = hmid[biqs_temp]; hmid[biqs_outL] *= hmid[biqs_level]; //end Stacked Biquad With Reversed Neutron Flow L //begin Stacked Biquad With Reversed Neutron Flow L lmid[biqs_outL] = inputSampleL * fabs(lmid[biqs_level]); lmid[biqs_temp] = (lmid[biqs_outL] * lmid[biqs_a0]) + lmid[biqs_aL1]; lmid[biqs_aL1] = lmid[biqs_aL2] - (lmid[biqs_temp]*lmid[biqs_b1]); lmid[biqs_aL2] = (lmid[biqs_outL] * -lmid[biqs_a0]) - (lmid[biqs_temp]*lmid[biqs_b2]); lmid[biqs_outL] = lmid[biqs_temp]; if (lmid[biqs_bit] != 0.0) { double bitFactor = lmid[biqs_bit]; bool crushGate = (bitFactor < 0.0); bitFactor = pow(2.0,fmin(fmax((1.0-fabs(bitFactor))*16.0,0.5),16.0)); lmid[biqs_outL] *= bitFactor; lmid[biqs_outL] = floor(lmid[biqs_outL]+(crushGate?0.5/bitFactor:0.0)); lmid[biqs_outL] /= bitFactor; } lmid[biqs_temp] = (lmid[biqs_outL] * lmid[biqs_c0]) + lmid[biqs_cL1]; lmid[biqs_cL1] = lmid[biqs_cL2] - (lmid[biqs_temp]*lmid[biqs_d1]); lmid[biqs_cL2] = (lmid[biqs_outL] * -lmid[biqs_c0]) - (lmid[biqs_temp]*lmid[biqs_d2]); lmid[biqs_outL] = lmid[biqs_temp]; lmid[biqs_outL] *= lmid[biqs_level]; //end Stacked Biquad With Reversed Neutron Flow L //begin Stacked Biquad With Reversed Neutron Flow L bass[biqs_outL] = inputSampleL * fabs(bass[biqs_level]); bass[biqs_temp] = (bass[biqs_outL] * bass[biqs_a0]) + bass[biqs_aL1]; bass[biqs_aL1] = bass[biqs_aL2] - (bass[biqs_temp]*bass[biqs_b1]); bass[biqs_aL2] = (bass[biqs_outL] * -bass[biqs_a0]) - (bass[biqs_temp]*bass[biqs_b2]); bass[biqs_outL] = bass[biqs_temp]; if (bass[biqs_bit] != 0.0) { double bitFactor = bass[biqs_bit]; bool crushGate = (bitFactor < 0.0); bitFactor = pow(2.0,fmin(fmax((1.0-fabs(bitFactor))*16.0,0.5),16.0)); bass[biqs_outL] *= bitFactor; bass[biqs_outL] = floor(bass[biqs_outL]+(crushGate?0.5/bitFactor:0.0)); bass[biqs_outL] /= bitFactor; } bass[biqs_temp] = (bass[biqs_outL] * bass[biqs_c0]) + bass[biqs_cL1]; bass[biqs_cL1] = bass[biqs_cL2] - (bass[biqs_temp]*bass[biqs_d1]); bass[biqs_cL2] = (bass[biqs_outL] * -bass[biqs_c0]) - (bass[biqs_temp]*bass[biqs_d2]); bass[biqs_outL] = bass[biqs_temp]; bass[biqs_outL] *= bass[biqs_level]; parametricL = high[biqs_outL] + hmid[biqs_outL] + lmid[biqs_outL] + bass[biqs_outL]; //end Stacked Biquad With Reversed Neutron Flow L //begin Stacked Biquad With Reversed Neutron Flow R high[biqs_outR] = inputSampleR * fabs(high[biqs_level]); high[biqs_temp] = (high[biqs_outR] * high[biqs_a0]) + high[biqs_aR1]; high[biqs_aR1] = high[biqs_aR2] - (high[biqs_temp]*high[biqs_b1]); high[biqs_aR2] = (high[biqs_outR] * -high[biqs_a0]) - (high[biqs_temp]*high[biqs_b2]); high[biqs_outR] = high[biqs_temp]; if (high[biqs_bit] != 0.0) { double bitFactor = high[biqs_bit]; bool crushGate = (bitFactor < 0.0); bitFactor = pow(2.0,fmin(fmax((1.0-fabs(bitFactor))*16.0,0.5),16.0)); high[biqs_outR] *= bitFactor; high[biqs_outR] = floor(high[biqs_outR]+(crushGate?0.5/bitFactor:0.0)); high[biqs_outR] /= bitFactor; } high[biqs_temp] = (high[biqs_outR] * high[biqs_c0]) + high[biqs_cR1]; high[biqs_cR1] = high[biqs_cR2] - (high[biqs_temp]*high[biqs_d1]); high[biqs_cR2] = (high[biqs_outR] * -high[biqs_c0]) - (high[biqs_temp]*high[biqs_d2]); high[biqs_outR] = high[biqs_temp]; high[biqs_outR] *= high[biqs_level]; //end Stacked Biquad With Reversed Neutron Flow R //begin Stacked Biquad With Reversed Neutron Flow R hmid[biqs_outR] = inputSampleR * fabs(hmid[biqs_level]); hmid[biqs_temp] = (hmid[biqs_outR] * hmid[biqs_a0]) + hmid[biqs_aR1]; hmid[biqs_aR1] = hmid[biqs_aR2] - (hmid[biqs_temp]*hmid[biqs_b1]); hmid[biqs_aR2] = (hmid[biqs_outR] * -hmid[biqs_a0]) - (hmid[biqs_temp]*hmid[biqs_b2]); hmid[biqs_outR] = hmid[biqs_temp]; if (hmid[biqs_bit] != 0.0) { double bitFactor = hmid[biqs_bit]; bool crushGate = (bitFactor < 0.0); bitFactor = pow(2.0,fmin(fmax((1.0-fabs(bitFactor))*16.0,0.5),16.0)); hmid[biqs_outR] *= bitFactor; hmid[biqs_outR] = floor(hmid[biqs_outR]+(crushGate?0.5/bitFactor:0.0)); hmid[biqs_outR] /= bitFactor; } hmid[biqs_temp] = (hmid[biqs_outR] * hmid[biqs_c0]) + hmid[biqs_cR1]; hmid[biqs_cR1] = hmid[biqs_cR2] - (hmid[biqs_temp]*hmid[biqs_d1]); hmid[biqs_cR2] = (hmid[biqs_outR] * -hmid[biqs_c0]) - (hmid[biqs_temp]*hmid[biqs_d2]); hmid[biqs_outR] = hmid[biqs_temp]; hmid[biqs_outR] *= hmid[biqs_level]; //end Stacked Biquad With Reversed Neutron Flow R //begin Stacked Biquad With Reversed Neutron Flow R lmid[biqs_outR] = inputSampleR * fabs(lmid[biqs_level]); lmid[biqs_temp] = (lmid[biqs_outR] * lmid[biqs_a0]) + lmid[biqs_aR1]; lmid[biqs_aR1] = lmid[biqs_aR2] - (lmid[biqs_temp]*lmid[biqs_b1]); lmid[biqs_aR2] = (lmid[biqs_outR] * -lmid[biqs_a0]) - (lmid[biqs_temp]*lmid[biqs_b2]); lmid[biqs_outR] = lmid[biqs_temp]; if (lmid[biqs_bit] != 0.0) { double bitFactor = lmid[biqs_bit]; bool crushGate = (bitFactor < 0.0); bitFactor = pow(2.0,fmin(fmax((1.0-fabs(bitFactor))*16.0,0.5),16.0)); lmid[biqs_outR] *= bitFactor; lmid[biqs_outR] = floor(lmid[biqs_outR]+(crushGate?0.5/bitFactor:0.0)); lmid[biqs_outR] /= bitFactor; } lmid[biqs_temp] = (lmid[biqs_outR] * lmid[biqs_c0]) + lmid[biqs_cR1]; lmid[biqs_cR1] = lmid[biqs_cR2] - (lmid[biqs_temp]*lmid[biqs_d1]); lmid[biqs_cR2] = (lmid[biqs_outR] * -lmid[biqs_c0]) - (lmid[biqs_temp]*lmid[biqs_d2]); lmid[biqs_outR] = lmid[biqs_temp]; lmid[biqs_outR] *= lmid[biqs_level]; //end Stacked Biquad With Reversed Neutron Flow R //begin Stacked Biquad With Reversed Neutron Flow R bass[biqs_outR] = inputSampleR * fabs(bass[biqs_level]); bass[biqs_temp] = (bass[biqs_outR] * bass[biqs_a0]) + bass[biqs_aR1]; bass[biqs_aR1] = bass[biqs_aR2] - (bass[biqs_temp]*bass[biqs_b1]); bass[biqs_aR2] = (bass[biqs_outR] * -bass[biqs_a0]) - (bass[biqs_temp]*bass[biqs_b2]); bass[biqs_outR] = bass[biqs_temp]; if (bass[biqs_bit] != 0.0) { double bitFactor = bass[biqs_bit]; bool crushGate = (bitFactor < 0.0); bitFactor = pow(2.0,fmin(fmax((1.0-fabs(bitFactor))*16.0,0.5),16.0)); bass[biqs_outR] *= bitFactor; bass[biqs_outR] = floor(bass[biqs_outR]+(crushGate?0.5/bitFactor:0.0)); bass[biqs_outR] /= bitFactor; } bass[biqs_temp] = (bass[biqs_outR] * bass[biqs_c0]) + bass[biqs_cR1]; bass[biqs_cR1] = bass[biqs_cR2] - (bass[biqs_temp]*bass[biqs_d1]); bass[biqs_cR2] = (bass[biqs_outR] * -bass[biqs_c0]) - (bass[biqs_temp]*bass[biqs_d2]); bass[biqs_outR] = bass[biqs_temp]; bass[biqs_outR] *= bass[biqs_level]; parametricR = high[biqs_outR] + hmid[biqs_outR] + lmid[biqs_outR] + bass[biqs_outR]; //end Stacked Biquad With Reversed Neutron Flow R } //end HipCrush as four band if (fmax(fabs(inputSampleL),fabs(inputSampleR)) > gate) bezGate = overallscale/fmin(bezRez,sloRez); else bezGate = fmax(0.000001, bezGate-fmin(bezRez,sloRez)); if (bezThresh > 0.0) { inputSampleL *= (bezThresh+1.0); inputSampleR *= (bezThresh+1.0); smoothEQL *= (bezThresh+1.0); smoothEQR *= (bezThresh+1.0); parametricL *= (bezThresh+1.0); parametricR *= (bezThresh+1.0); } //makeup gain double ctrl = fmax(fabs(inputSampleL),fabs(inputSampleR)); bezMax = fmax(bezMax,ctrl); bezMin = fmax(bezMin-sloRez,ctrl); bezComp[bez_cycle] += bezRez; bezComp[bez_Ctrl] += (bezMin * bezRez); if (bezComp[bez_cycle] > 1.0) { if (bezGate < 1.0) bezComp[bez_Ctrl] /= bezGate; bezComp[bez_cycle] -= 1.0; bezComp[bez_C] = bezComp[bez_B]; bezComp[bez_B] = bezComp[bez_A]; bezComp[bez_A] = bezComp[bez_Ctrl]; bezComp[bez_Ctrl] = 0.0; bezMax = 0.0; } double CB = (bezComp[bez_C]*(1.0-bezComp[bez_cycle]))+(bezComp[bez_B]*bezComp[bez_cycle]); double BA = (bezComp[bez_B]*(1.0-bezComp[bez_cycle]))+(bezComp[bez_A]*bezComp[bez_cycle]); double CBA = (bezComp[bez_B]+(CB*(1.0-bezComp[bez_cycle]))+(BA*bezComp[bez_cycle]))*0.5; //switch over to the EQed or HipCrushed sound and compress inputSampleL = (smoothEQL * (1.0-crossFade)) + (parametricL * crossFade); inputSampleR = (smoothEQR * (1.0-crossFade)) + (parametricR * crossFade); if (bezThresh > 0.0) { inputSampleL *= 1.0-(fmin(CBA*bezThresh,1.0)); inputSampleR *= 1.0-(fmin(CBA*bezThresh,1.0)); } //Dynamics3, but with crossfade over EQ or HipCrush const double temp = (double)nSampleFrames/inFramesToProcess; const double hFreq = (hFreqA*temp)+(hFreqB*(1.0-temp)); if (hFreq > 0.0) { double lowSampleL = inputSampleL; double lowSampleR = inputSampleR; for(int count = 0; count < 21; count++) { iirHAngleL[count] = (iirHAngleL[count]*(1.0-hFreq))+((lowSampleL-iirHPositionL[count])*hFreq); lowSampleL = ((iirHPositionL[count]+(iirHAngleL[count]*hFreq))*(1.0-hFreq))+(lowSampleL*hFreq); iirHPositionL[count] = ((iirHPositionL[count]+(iirHAngleL[count]*hFreq))*(1.0-hFreq))+(lowSampleL*hFreq); inputSampleL -= (lowSampleL * (1.0/21.0));//left iirHAngleR[count] = (iirHAngleR[count]*(1.0-hFreq))+((lowSampleR-iirHPositionR[count])*hFreq); lowSampleR = ((iirHPositionR[count]+(iirHAngleR[count]*hFreq))*(1.0-hFreq))+(lowSampleR*hFreq); iirHPositionR[count] = ((iirHPositionR[count]+(iirHAngleR[count]*hFreq))*(1.0-hFreq))+(lowSampleR*hFreq); inputSampleR -= (lowSampleR * (1.0/21.0));//right } //the highpass hBypass = false; } else { if (!hBypass) { hBypass = true; for(int count = 0; count < 22; count++) { iirHPositionL[count] = 0.0; iirHAngleL[count] = 0.0; iirHPositionR[count] = 0.0; iirHAngleR[count] = 0.0; } } //blank out highpass if just switched off } const double lFreq = (lFreqA*temp)+(lFreqB*(1.0-temp)); if (lFreq < 1.0) { for(int count = 0; count < 13; count++) { iirLAngleL[count] = (iirLAngleL[count]*(1.0-lFreq))+((inputSampleL-iirLPositionL[count])*lFreq); inputSampleL = ((iirLPositionL[count]+(iirLAngleL[count]*lFreq))*(1.0-lFreq))+(inputSampleL*lFreq); iirLPositionL[count] = ((iirLPositionL[count]+(iirLAngleL[count]*lFreq))*(1.0-lFreq))+(inputSampleL*lFreq);//left iirLAngleR[count] = (iirLAngleR[count]*(1.0-lFreq))+((inputSampleR-iirLPositionR[count])*lFreq); inputSampleR = ((iirLPositionR[count]+(iirLAngleR[count]*lFreq))*(1.0-lFreq))+(inputSampleR*lFreq); iirLPositionR[count] = ((iirLPositionR[count]+(iirLAngleR[count]*lFreq))*(1.0-lFreq))+(inputSampleR*lFreq);//right } //the lowpass lBypass = false; } else { if (!lBypass) { lBypass = true; for(int count = 0; count < 14; count++) { iirLPositionL[count] = 0.0; iirLAngleL[count] = 0.0; iirLPositionR[count] = 0.0; iirLAngleR[count] = 0.0; } } //blank out lowpass if just switched off } //Cabs2 double gainR = (panA*temp)+(panB*(1.0-temp)); double gainL = 1.57079633-gainR; gainR = sin(gainR); gainL = sin(gainL); double gain = (inTrimA*temp)+(inTrimB*(1.0-temp)); if (gain > 1.0) gain *= gain; if (gain < 1.0) gain = 1.0-pow(1.0-gain,2); inputSampleL = inputSampleL * gainL * gain; inputSampleR = inputSampleR * gainR * gain; //applies pan section, and smoothed fader gain if (inputSampleL > 1.0) inputSampleL = 1.0; else if (inputSampleL > 0.0) inputSampleL = -expm1((log1p(-inputSampleL) * 1.618033988749895)); if (inputSampleL < -1.0) inputSampleL = -1.0; else if (inputSampleL < 0.0) inputSampleL = expm1((log1p(inputSampleL) * 1.618033988749895)); if (inputSampleR > 1.0) inputSampleR = 1.0; else if (inputSampleR > 0.0) inputSampleR = -expm1((log1p(-inputSampleR) * 1.618033988749895)); if (inputSampleR < -1.0) inputSampleR = -1.0; else if (inputSampleR < 0.0) inputSampleR = expm1((log1p(inputSampleR) * 1.618033988749895)); //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; }