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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. * */ /*============================================================================= ConsoleHPre.cpp =============================================================================*/ #include "ConsoleHPre.h" //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ AUDIOCOMPONENT_ENTRY(AUBaseFactory, ConsoleHPre) //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // ConsoleHPre::ConsoleHPre //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ConsoleHPre::ConsoleHPre(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_FAD, kDefaultValue_ParamFAD ); #if AU_DEBUG_DISPATCHER mDebugDispatcher = new AUDebugDispatcher (this); #endif } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // ConsoleHPre::GetParameterValueStrings //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ComponentResult ConsoleHPre::GetParameterValueStrings(AudioUnitScope inScope, AudioUnitParameterID inParameterID, CFArrayRef * outStrings) { return kAudioUnitErr_InvalidProperty; } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // ConsoleHPre::GetParameterInfo //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ComponentResult ConsoleHPre::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_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; } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // ConsoleHPre::GetPropertyInfo //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ComponentResult ConsoleHPre::GetPropertyInfo (AudioUnitPropertyID inID, AudioUnitScope inScope, AudioUnitElement inElement, UInt32 & outDataSize, Boolean & outWritable) { return AUEffectBase::GetPropertyInfo (inID, inScope, inElement, outDataSize, outWritable); } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // ConsoleHPre::GetProperty //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ComponentResult ConsoleHPre::GetProperty( AudioUnitPropertyID inID, AudioUnitScope inScope, AudioUnitElement inElement, void * outData ) { return AUEffectBase::GetProperty (inID, inScope, inElement, outData); } // ConsoleHPre::Initialize //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ComponentResult ConsoleHPre::Initialize() { ComponentResult result = AUEffectBase::Initialize(); if (result == noErr) Reset(kAudioUnitScope_Global, 0); return result; } #pragma mark ____ConsoleHPreEffectKernel //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // ConsoleHPre::ConsoleHPreKernel::Reset() //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ void ConsoleHPre::ConsoleHPreKernel::Reset() { for (int x = 0; x < biq_total; x++) { highFast[x] = 0.0; lowFast[x] = 0.0; } highFastLIIR = 0.0; lowFastLIIR = 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++) { iirHPosition[count] = 0.0; iirHAngle[count] = 0.0; } hBypass = false; for(int count = 0; count < 14; count++) { iirLPosition[count] = 0.0; iirLAngle[count] = 0.0; } lBypass = false; //Cabs2 for(int count = 0; count < dscBuf+2; count++) { dBaL[count] = 0.0; } dBaPosL = 0.0; dBaXL = 1; //Discontapeity for (int x = 0; x < 33; x++) {avg32L[x] = 0.0; post32L[x] = 0.0;} for (int x = 0; x < 17; x++) {avg16L[x] = 0.0; post16L[x] = 0.0;} for (int x = 0; x < 9; x++) {avg8L[x] = 0.0; post8L[x] = 0.0;} for (int x = 0; x < 5; x++) {avg4L[x] = 0.0; post4L[x] = 0.0;} for (int x = 0; x < 3; x++) {avg2L[x] = 0.0; post2L[x] = 0.0;} avgPos = 0; lastDarkL = 0.0; //preTapeHack lFreqA = 1.0; lFreqB = 1.0; hFreqA = 0.0; hFreqB = 0.0; inTrimA = 0.5; inTrimB = 0.5; fpd = 1.0; while (fpd < 16386) fpd = rand()*UINT32_MAX; } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // ConsoleHPre::ConsoleHPreKernel::Process //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ void ConsoleHPre::ConsoleHPreKernel::Process( const Float32 *inSourceP, Float32 *inDestP, UInt32 inFramesToProcess, UInt32 inNumChannels, bool &ioSilence ) { UInt32 nSampleFrames = inFramesToProcess; const Float32 *sourceP = inSourceP; Float32 *destP = inDestP; double overallscale = 1.0; overallscale /= 44100.0; overallscale *= GetSampleRate(); 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 inTrimA = inTrimB; inTrimB = GetParameter( kParam_FAD )*2.0; //Console while (nSampleFrames-- > 0) { double inputSampleL = *sourceP; if (fabs(inputSampleL)<1.18e-23) inputSampleL = fpd * 1.18e-17; inputSampleL *= moreTapeHack; //trim control gets to work even when MORE is off if (!tapehackOff) { double darkSampleL = inputSampleL; if (avgPos > 31) avgPos = 0; if (spacing > 31) { avg32L[avgPos] = darkSampleL; darkSampleL = 0.0; for (int x = 0; x < 32; x++) {darkSampleL += avg32L[x];} darkSampleL /= 32.0; } if (spacing > 15) { avg16L[avgPos%16] = darkSampleL; darkSampleL = 0.0; for (int x = 0; x < 16; x++) {darkSampleL += avg16L[x];} darkSampleL /= 16.0; } if (spacing > 7) { avg8L[avgPos%8] = darkSampleL; darkSampleL = 0.0; for (int x = 0; x < 8; x++) {darkSampleL += avg8L[x];} darkSampleL /= 8.0; } if (spacing > 3) { avg4L[avgPos%4] = darkSampleL; darkSampleL = 0.0; for (int x = 0; x < 4; x++) {darkSampleL += avg4L[x];} darkSampleL /= 4.0; } if (spacing > 1) { avg2L[avgPos%2] = darkSampleL; darkSampleL = 0.0; for (int x = 0; x < 2; x++) {darkSampleL += avg2L[x];} darkSampleL /= 2.0; } //only update 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; //begin Discontinuity section inputSampleL *= moreTapeHack; 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 //Discontapeity darkSampleL = inputSampleL; if (avgPos > 31) avgPos = 0; if (spacing > 31) { post32L[avgPos] = darkSampleL; darkSampleL = 0.0; for (int x = 0; x < 32; x++) {darkSampleL += post32L[x];} darkSampleL /= 32.0; } if (spacing > 15) { post16L[avgPos%16] = darkSampleL; darkSampleL = 0.0; for (int x = 0; x < 16; x++) {darkSampleL += post16L[x];} darkSampleL /= 16.0; } if (spacing > 7) { post8L[avgPos%8] = darkSampleL; darkSampleL = 0.0; for (int x = 0; x < 8; x++) {darkSampleL += post8L[x];} darkSampleL /= 8.0; } if (spacing > 3) { post4L[avgPos%4] = darkSampleL; darkSampleL = 0.0; for (int x = 0; x < 4; x++) {darkSampleL += post4L[x];} darkSampleL /= 4.0; } if (spacing > 1) { post2L[avgPos%2] = darkSampleL; darkSampleL = 0.0; for (int x = 0; x < 2; x++) {darkSampleL += post2L[x];} darkSampleL /= 2.0; } avgPos++; inputSampleL = (inputSampleL*(1.0-avgSlewL)) + (darkSampleL*avgSlewL); //use the previously calculated depth of the filter } double smoothEQL = inputSampleL; 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 } //SmoothEQ3 double parametricL = 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 } //end HipCrush as four band if (fabs(inputSampleL) > gate) bezGate = overallscale/fmin(bezRez,sloRez); else bezGate = bezGate = fmax(0.000001, bezGate-fmin(bezRez,sloRez)); if (bezThresh > 0.0) { inputSampleL *= (bezThresh+1.0); smoothEQL *= (bezThresh+1.0); parametricL *= (bezThresh+1.0); } //makeup gain double ctrl = fabs(inputSampleL); 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); if (bezThresh > 0.0) { inputSampleL *= 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 lowSample = inputSampleL; for(int count = 0; count < 21; count++) { iirHAngle[count] = (iirHAngle[count]*(1.0-hFreq))+((lowSample-iirHPosition[count])*hFreq); lowSample = ((iirHPosition[count]+(iirHAngle[count]*hFreq))*(1.0-hFreq))+(lowSample*hFreq); iirHPosition[count] = ((iirHPosition[count]+(iirHAngle[count]*hFreq))*(1.0-hFreq))+(lowSample*hFreq); inputSampleL -= (lowSample * (1.0/21.0)); } //the highpass hBypass = false; } else { if (!hBypass) { hBypass = true; for(int count = 0; count < 22; count++) { iirHPosition[count] = 0.0; iirHAngle[count] = 0.0; } } //blank out highpass if jut switched off } const double lFreq = (lFreqA*temp)+(lFreqB*(1.0-temp)); if (lFreq < 1.0) { for(int count = 0; count < 13; count++) { iirLAngle[count] = (iirLAngle[count]*(1.0-lFreq))+((inputSampleL-iirLPosition[count])*lFreq); inputSampleL = ((iirLPosition[count]+(iirLAngle[count]*lFreq))*(1.0-lFreq))+(inputSampleL*lFreq); iirLPosition[count] = ((iirLPosition[count]+(iirLAngle[count]*lFreq))*(1.0-lFreq))+(inputSampleL*lFreq); } //the lowpass lBypass = false; } else { if (!lBypass) { lBypass = true; for(int count = 0; count < 14; count++) { iirLPosition[count] = 0.0; iirLAngle[count] = 0.0; } } //blank out lowpass if just switched off } //Cabs2 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 *= gain; //applies smoothed fader gain //begin 32 bit floating point dither int expon; frexpf((float)inputSampleL, &expon); fpd ^= fpd << 13; fpd ^= fpd >> 17; fpd ^= fpd << 5; inputSampleL += ((double(fpd)-uint32_t(0x7fffffff)) * 5.5e-36l * pow(2,expon+62)); //end 32 bit floating point dither *destP = inputSampleL; sourceP += inNumChannels; destP += inNumChannels; } }