diff options
author | Chris Johnson <jinx6568@sover.net> | 2018-10-22 18:04:06 -0400 |
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committer | Chris Johnson <jinx6568@sover.net> | 2018-10-22 18:04:06 -0400 |
commit | 633be2e22c6648c901f08f3b4cd4e8e14ea86443 (patch) | |
tree | 1e272c3d2b5bd29636b9f9f521af62734e4df012 /plugins/MacVST/BassKit/source | |
parent | 057757aa8eb0a463caf0cdfdb5894ac5f723ff3f (diff) | |
download | airwindows-lv2-port-633be2e22c6648c901f08f3b4cd4e8e14ea86443.tar.gz airwindows-lv2-port-633be2e22c6648c901f08f3b4cd4e8e14ea86443.tar.bz2 airwindows-lv2-port-633be2e22c6648c901f08f3b4cd4e8e14ea86443.zip |
Updates (in case my plane crashes)
Diffstat (limited to 'plugins/MacVST/BassKit/source')
-rwxr-xr-x | plugins/MacVST/BassKit/source/BassKit.cpp | 195 | ||||
-rwxr-xr-x | plugins/MacVST/BassKit/source/BassKit.h | 118 | ||||
-rwxr-xr-x | plugins/MacVST/BassKit/source/BassKitProc.cpp | 460 |
3 files changed, 773 insertions, 0 deletions
diff --git a/plugins/MacVST/BassKit/source/BassKit.cpp b/plugins/MacVST/BassKit/source/BassKit.cpp new file mode 100755 index 0000000..008f045 --- /dev/null +++ b/plugins/MacVST/BassKit/source/BassKit.cpp @@ -0,0 +1,195 @@ +/* ======================================== + * BassKit - BassKit.h + * Copyright (c) 2016 airwindows, All rights reserved + * ======================================== */ + +#ifndef __BassKit_H +#include "BassKit.h" +#endif + +AudioEffect* createEffectInstance(audioMasterCallback audioMaster) {return new BassKit(audioMaster);} + +BassKit::BassKit(audioMasterCallback audioMaster) : + AudioEffectX(audioMaster, kNumPrograms, kNumParameters) +{ + A = 0.5; + B = 0.5; + C = 0.5; + D = 0.5; + + WasNegative = false; + SubOctave = false; + flip = false; + bflip = 0; + iirDriveSampleA = 0.0; + iirDriveSampleB = 0.0; + iirDriveSampleC = 0.0; + iirDriveSampleD = 0.0; + iirDriveSampleE = 0.0; + iirDriveSampleF = 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; + //this is reset: values being initialized only once. Startup values, whatever they are. + + _canDo.insert("plugAsChannelInsert"); // plug-in can be used as a channel insert effect. + _canDo.insert("plugAsSend"); // plug-in can be used as a send effect. + _canDo.insert("x2in2out"); + setNumInputs(kNumInputs); + setNumOutputs(kNumOutputs); + setUniqueID(kUniqueId); + canProcessReplacing(); // supports output replacing + canDoubleReplacing(); // supports double precision processing + programsAreChunks(true); + vst_strncpy (_programName, "Default", kVstMaxProgNameLen); // default program name +} + +BassKit::~BassKit() {} +VstInt32 BassKit::getVendorVersion () {return 1000;} +void BassKit::setProgramName(char *name) {vst_strncpy (_programName, name, kVstMaxProgNameLen);} +void BassKit::getProgramName(char *name) {vst_strncpy (name, _programName, kVstMaxProgNameLen);} +//airwindows likes to ignore this stuff. Make your own programs, and make a different plugin rather than +//trying to do versioning and preventing people from using older versions. Maybe they like the old one! + +static float pinParameter(float data) +{ + if (data < 0.0f) return 0.0f; + if (data > 1.0f) return 1.0f; + return data; +} + +VstInt32 BassKit::getChunk (void** data, bool isPreset) +{ + float *chunkData = (float *)calloc(kNumParameters, sizeof(float)); + chunkData[0] = A; + chunkData[1] = B; + chunkData[2] = C; + chunkData[3] = D; + /* Note: The way this is set up, it will break if you manage to save settings on an Intel + machine and load them on a PPC Mac. However, it's fine if you stick to the machine you + started with. */ + + *data = chunkData; + return kNumParameters * sizeof(float); +} + +VstInt32 BassKit::setChunk (void* data, VstInt32 byteSize, bool isPreset) +{ + float *chunkData = (float *)data; + A = pinParameter(chunkData[0]); + B = pinParameter(chunkData[1]); + C = pinParameter(chunkData[2]); + D = pinParameter(chunkData[3]); + /* We're ignoring byteSize as we found it to be a filthy liar */ + + /* calculate any other fields you need here - you could copy in + code from setParameter() here. */ + return 0; +} + +void BassKit::setParameter(VstInt32 index, float value) { + switch (index) { + case kParamA: A = value; break; + case kParamB: B = value; break; + case kParamC: C = value; break; + case kParamD: D = value; break; + default: throw; // unknown parameter, shouldn't happen! + } +} + +float BassKit::getParameter(VstInt32 index) { + switch (index) { + case kParamA: return A; break; + case kParamB: return B; break; + case kParamC: return C; break; + case kParamD: return D; break; + default: break; // unknown parameter, shouldn't happen! + } return 0.0; //we only need to update the relevant name, this is simple to manage +} + +void BassKit::getParameterName(VstInt32 index, char *text) { + switch (index) { + case kParamA: vst_strncpy (text, "Drive", kVstMaxParamStrLen); break; + case kParamB: vst_strncpy (text, "Voicing", kVstMaxParamStrLen); break; + case kParamC: vst_strncpy (text, "BassOut", kVstMaxParamStrLen); break; + case kParamD: vst_strncpy (text, "SubOut", kVstMaxParamStrLen); break; + default: break; // unknown parameter, shouldn't happen! + } //this is our labels for displaying in the VST host +} + +void BassKit::getParameterDisplay(VstInt32 index, char *text) { + switch (index) { + case kParamA: float2string (A, text, kVstMaxParamStrLen); break; + case kParamB: float2string (B, text, kVstMaxParamStrLen); break; + case kParamC: float2string ((C*2.0)-1.0, text, kVstMaxParamStrLen); break; + case kParamD: float2string ((D*2.0)-1.0, text, kVstMaxParamStrLen); break; + default: break; // unknown parameter, shouldn't happen! + } //this displays the values and handles 'popups' where it's discrete choices +} + +void BassKit::getParameterLabel(VstInt32 index, char *text) { + switch (index) { + case kParamA: vst_strncpy (text, "", kVstMaxParamStrLen); break; + case kParamB: vst_strncpy (text, "", kVstMaxParamStrLen); break; + case kParamC: vst_strncpy (text, "", kVstMaxParamStrLen); break; + case kParamD: vst_strncpy (text, "", kVstMaxParamStrLen); break; + default: break; // unknown parameter, shouldn't happen! + } +} + +VstInt32 BassKit::canDo(char *text) +{ return (_canDo.find(text) == _canDo.end()) ? -1: 1; } // 1 = yes, -1 = no, 0 = don't know + +bool BassKit::getEffectName(char* name) { + vst_strncpy(name, "BassKit", kVstMaxProductStrLen); return true; +} + +VstPlugCategory BassKit::getPlugCategory() {return kPlugCategEffect;} + +bool BassKit::getProductString(char* text) { + vst_strncpy (text, "airwindows BassKit", kVstMaxProductStrLen); return true; +} + +bool BassKit::getVendorString(char* text) { + vst_strncpy (text, "airwindows", kVstMaxVendorStrLen); return true; +} diff --git a/plugins/MacVST/BassKit/source/BassKit.h b/plugins/MacVST/BassKit/source/BassKit.h new file mode 100755 index 0000000..f421d3d --- /dev/null +++ b/plugins/MacVST/BassKit/source/BassKit.h @@ -0,0 +1,118 @@ +/* ======================================== + * BassKit - BassKit.h + * Created 8/12/11 by SPIAdmin + * Copyright (c) 2011 __MyCompanyName__, All rights reserved + * ======================================== */ + +#ifndef __BassKit_H +#define __BassKit_H + +#ifndef __audioeffect__ +#include "audioeffectx.h" +#endif + +#include <set> +#include <string> +#include <math.h> + +enum { + kParamA = 0, + kParamB = 1, + kParamC = 2, + kParamD = 3, + kNumParameters = 4 +}; // + +const int kNumPrograms = 0; +const int kNumInputs = 2; +const int kNumOutputs = 2; +const unsigned long kUniqueId = 'bskt'; //Change this to what the AU identity is! + +class BassKit : + public AudioEffectX +{ +public: + BassKit(audioMasterCallback audioMaster); + ~BassKit(); + virtual bool getEffectName(char* name); // The plug-in name + virtual VstPlugCategory getPlugCategory(); // The general category for the plug-in + virtual bool getProductString(char* text); // This is a unique plug-in string provided by Steinberg + virtual bool getVendorString(char* text); // Vendor info + virtual VstInt32 getVendorVersion(); // Version number + virtual void processReplacing (float** inputs, float** outputs, VstInt32 sampleFrames); + virtual void processDoubleReplacing (double** inputs, double** outputs, VstInt32 sampleFrames); + virtual void getProgramName(char *name); // read the name from the host + virtual void setProgramName(char *name); // changes the name of the preset displayed in the host + virtual VstInt32 getChunk (void** data, bool isPreset); + virtual VstInt32 setChunk (void* data, VstInt32 byteSize, bool isPreset); + virtual float getParameter(VstInt32 index); // get the parameter value at the specified index + virtual void setParameter(VstInt32 index, float value); // set the parameter at index to value + virtual void getParameterLabel(VstInt32 index, char *text); // label for the parameter (eg dB) + virtual void getParameterName(VstInt32 index, char *text); // name of the parameter + virtual void getParameterDisplay(VstInt32 index, char *text); // text description of the current value + virtual VstInt32 canDo(char *text); +private: + char _programName[kVstMaxProgNameLen + 1]; + std::set< std::string > _canDo; + + double iirDriveSampleA; + double iirDriveSampleB; + double iirDriveSampleC; + double iirDriveSampleD; + double iirDriveSampleE; + double iirDriveSampleF; + bool flip; //drive things + + int bflip; + bool WasNegative; + bool SubOctave; + double iirHeadBumpA; + double iirHeadBumpB; + double iirHeadBumpC; + + double iirSubBumpA; + double iirSubBumpB; + double iirSubBumpC; + + double lastHeadBump; + double lastSubBump; + + double iirSampleA; + double iirSampleB; + double iirSampleC; + double iirSampleD; + double iirSampleE; + double iirSampleF; + double iirSampleG; + double iirSampleH; + double iirSampleI; + double iirSampleJ; + double iirSampleK; + double iirSampleL; + double iirSampleM; + double iirSampleN; + double iirSampleO; + double iirSampleP; + double iirSampleQ; + double iirSampleR; + double iirSampleS; + double iirSampleT; + double iirSampleU; + double iirSampleV; + double iirSampleW; + double iirSampleX; + double iirSampleY; + double iirSampleZ; + double oscGate; + + long double fpNShapeL; + long double fpNShapeR; + //default stuff + + float A; + float B; + float C; + float D; +}; + +#endif diff --git a/plugins/MacVST/BassKit/source/BassKitProc.cpp b/plugins/MacVST/BassKit/source/BassKitProc.cpp new file mode 100755 index 0000000..df3310e --- /dev/null +++ b/plugins/MacVST/BassKit/source/BassKitProc.cpp @@ -0,0 +1,460 @@ +/* ======================================== + * BassKit - BassKit.h + * Copyright (c) 2016 airwindows, All rights reserved + * ======================================== */ + +#ifndef __BassKit_H +#include "BassKit.h" +#endif + +void BassKit::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames) +{ + float* in1 = inputs[0]; + float* in2 = inputs[1]; + float* out1 = outputs[0]; + float* out2 = outputs[1]; + + double overallscale = 1.0; + overallscale /= 44100.0; + overallscale *= getSampleRate(); + + double ataLowpass; + double randy; + double invrandy; + double HeadBump = 0.0; + double BassGain = A * 0.1; + double HeadBumpFreq = ((B*0.1)+0.02)/overallscale; + double iirAmount = HeadBumpFreq/44.1; + double BassOutGain = ((C*2.0)-1.0)*fabs(((C*2.0)-1.0)); + double SubBump = 0.0; + double SubOutGain = ((D*2.0)-1.0)*fabs(((D*2.0)-1.0))*4.0; + double clamp = 0.0; + double fuzz = 0.111; + + while (--sampleFrames >= 0) + { + long double inputSampleL = *in1; + long double inputSampleR = *in2; + + 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 + + ataLowpass = (inputSampleL + inputSampleR) / 2.0; + iirDriveSampleA = (iirDriveSampleA * (1.0 - HeadBumpFreq)) + (ataLowpass * HeadBumpFreq); ataLowpass = iirDriveSampleA; + iirDriveSampleB = (iirDriveSampleB * (1.0 - HeadBumpFreq)) + (ataLowpass * HeadBumpFreq); ataLowpass = iirDriveSampleB; + + + oscGate += fabs(ataLowpass * 10.0); + 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 (ataLowpass > 0) + {if (WasNegative){SubOctave = !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 * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleA; + iirSampleB = (iirSampleB * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleB; + iirSampleC = (iirSampleC * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleC; + iirSampleD = (iirSampleD * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleD; + iirSampleE = (iirSampleE * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleE; + iirSampleF = (iirSampleF * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleF; + iirSampleG = (iirSampleG * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleG; + iirSampleH = (iirSampleH * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleH; + iirSampleI = (iirSampleI * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleI; + iirSampleJ = (iirSampleJ * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleJ; + iirSampleK = (iirSampleK * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleK; + iirSampleL = (iirSampleL * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleL; + iirSampleM = (iirSampleM * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleM; + iirSampleN = (iirSampleN * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleN; + iirSampleO = (iirSampleO * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleO; + iirSampleP = (iirSampleP * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleP; + iirSampleQ = (iirSampleQ * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleQ; + iirSampleR = (iirSampleR * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleR; + iirSampleS = (iirSampleS * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleS; + iirSampleT = (iirSampleT * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleT; + iirSampleU = (iirSampleU * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleU; + iirSampleV = (iirSampleV * (1.0 - iirAmount)) + (ataLowpass * iirAmount); 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 * (1.0 - iirAmount)) + (HeadBump * iirAmount); HeadBump -= iirSampleW; + iirSampleX = (iirSampleX * (1.0 - iirAmount)) + (HeadBump * iirAmount); HeadBump -= iirSampleX; + + SubBump = HeadBump; + iirSampleY = (iirSampleY * (1.0 - iirAmount)) + (SubBump * iirAmount); SubBump -= iirSampleY; + + iirDriveSampleC = (iirDriveSampleC * (1.0 - HeadBumpFreq)) + (SubBump * HeadBumpFreq); SubBump = iirDriveSampleC; + iirDriveSampleD = (iirDriveSampleD * (1.0 - HeadBumpFreq)) + (SubBump * HeadBumpFreq); SubBump = iirDriveSampleD; + + + SubBump = fabs(SubBump); + if (SubOctave == false) {SubBump = -SubBump;} + + switch (bflip) + { + case 1: + iirSubBumpA += SubBump;// * BassGain); + iirSubBumpA -= (iirSubBumpA * iirSubBumpA * iirSubBumpA * HeadBumpFreq); + iirSubBumpA = (invrandy * iirSubBumpA) + (randy * iirSubBumpB) + (randy * iirSubBumpC); + if (iirSubBumpA > 0) iirSubBumpA -= clamp; + if (iirSubBumpA < 0) iirSubBumpA += clamp; + SubBump = iirSubBumpA; + break; + case 2: + iirSubBumpB += SubBump;// * BassGain); + iirSubBumpB -= (iirSubBumpB * iirSubBumpB * iirSubBumpB * HeadBumpFreq); + iirSubBumpB = (randy * iirSubBumpA) + (invrandy * iirSubBumpB) + (randy * iirSubBumpC); + if (iirSubBumpB > 0) iirSubBumpB -= clamp; + if (iirSubBumpB < 0) iirSubBumpB += clamp; + SubBump = iirSubBumpB; + break; + case 3: + iirSubBumpC += SubBump;// * BassGain); + iirSubBumpC -= (iirSubBumpC * iirSubBumpC * iirSubBumpC * HeadBumpFreq); + iirSubBumpC = (randy * iirSubBumpA) + (randy * iirSubBumpB) + (invrandy * iirSubBumpC); + if (iirSubBumpC > 0) iirSubBumpC -= clamp; + if (iirSubBumpC < 0) iirSubBumpC += clamp; + SubBump = iirSubBumpC; + break; + } + + iirSampleZ = (iirSampleZ * (1.0 - HeadBumpFreq)) + (SubBump * HeadBumpFreq); SubBump = iirSampleZ; + iirDriveSampleE = (iirDriveSampleE * (1.0 - iirAmount)) + (SubBump * iirAmount); SubBump = iirDriveSampleE; + iirDriveSampleF = (iirDriveSampleF * (1.0 - iirAmount)) + (SubBump * iirAmount); SubBump = iirDriveSampleF; + + + inputSampleL += (HeadBump * BassOutGain); + inputSampleL += (SubBump * SubOutGain); + + inputSampleR += (HeadBump * BassOutGain); + inputSampleR += (SubBump * SubOutGain); + + + flip = !flip; + bflip++; + if (bflip < 1 || bflip > 3) bflip = 1; + + //noise shaping to 32-bit floating point + float 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 + + *out1 = inputSampleL; + *out2 = inputSampleR; + + *in1++; + *in2++; + *out1++; + *out2++; + } + 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. +} + +void BassKit::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames) +{ + double* in1 = inputs[0]; + double* in2 = inputs[1]; + double* out1 = outputs[0]; + double* out2 = outputs[1]; + + double overallscale = 1.0; + overallscale /= 44100.0; + overallscale *= getSampleRate(); + + double ataLowpass; + double randy; + double invrandy; + double HeadBump = 0.0; + double BassGain = A * 0.1; + double HeadBumpFreq = ((B*0.1)+0.02)/overallscale; + double iirAmount = HeadBumpFreq/44.1; + double BassOutGain = ((C*2.0)-1.0)*fabs(((C*2.0)-1.0)); + double SubBump = 0.0; + double SubOutGain = ((D*2.0)-1.0)*fabs(((D*2.0)-1.0))*4.0; + double clamp = 0.0; + double fuzz = 0.111; + + while (--sampleFrames >= 0) + { + long double inputSampleL = *in1; + long double inputSampleR = *in2; + + 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 + + ataLowpass = (inputSampleL + inputSampleR) / 2.0; + iirDriveSampleA = (iirDriveSampleA * (1.0 - HeadBumpFreq)) + (ataLowpass * HeadBumpFreq); ataLowpass = iirDriveSampleA; + iirDriveSampleB = (iirDriveSampleB * (1.0 - HeadBumpFreq)) + (ataLowpass * HeadBumpFreq); ataLowpass = iirDriveSampleB; + + + oscGate += fabs(ataLowpass * 10.0); + 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 (ataLowpass > 0) + {if (WasNegative){SubOctave = !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 * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleA; + iirSampleB = (iirSampleB * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleB; + iirSampleC = (iirSampleC * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleC; + iirSampleD = (iirSampleD * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleD; + iirSampleE = (iirSampleE * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleE; + iirSampleF = (iirSampleF * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleF; + iirSampleG = (iirSampleG * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleG; + iirSampleH = (iirSampleH * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleH; + iirSampleI = (iirSampleI * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleI; + iirSampleJ = (iirSampleJ * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleJ; + iirSampleK = (iirSampleK * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleK; + iirSampleL = (iirSampleL * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleL; + iirSampleM = (iirSampleM * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleM; + iirSampleN = (iirSampleN * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleN; + iirSampleO = (iirSampleO * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleO; + iirSampleP = (iirSampleP * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleP; + iirSampleQ = (iirSampleQ * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleQ; + iirSampleR = (iirSampleR * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleR; + iirSampleS = (iirSampleS * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleS; + iirSampleT = (iirSampleT * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleT; + iirSampleU = (iirSampleU * (1.0 - iirAmount)) + (ataLowpass * iirAmount); ataLowpass -= iirSampleU; + iirSampleV = (iirSampleV * (1.0 - iirAmount)) + (ataLowpass * iirAmount); 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 * (1.0 - iirAmount)) + (HeadBump * iirAmount); HeadBump -= iirSampleW; + iirSampleX = (iirSampleX * (1.0 - iirAmount)) + (HeadBump * iirAmount); HeadBump -= iirSampleX; + + SubBump = HeadBump; + iirSampleY = (iirSampleY * (1.0 - iirAmount)) + (SubBump * iirAmount); SubBump -= iirSampleY; + + iirDriveSampleC = (iirDriveSampleC * (1.0 - HeadBumpFreq)) + (SubBump * HeadBumpFreq); SubBump = iirDriveSampleC; + iirDriveSampleD = (iirDriveSampleD * (1.0 - HeadBumpFreq)) + (SubBump * HeadBumpFreq); SubBump = iirDriveSampleD; + + + SubBump = fabs(SubBump); + if (SubOctave == false) {SubBump = -SubBump;} + + switch (bflip) + { + case 1: + iirSubBumpA += SubBump;// * BassGain); + iirSubBumpA -= (iirSubBumpA * iirSubBumpA * iirSubBumpA * HeadBumpFreq); + iirSubBumpA = (invrandy * iirSubBumpA) + (randy * iirSubBumpB) + (randy * iirSubBumpC); + if (iirSubBumpA > 0) iirSubBumpA -= clamp; + if (iirSubBumpA < 0) iirSubBumpA += clamp; + SubBump = iirSubBumpA; + break; + case 2: + iirSubBumpB += SubBump;// * BassGain); + iirSubBumpB -= (iirSubBumpB * iirSubBumpB * iirSubBumpB * HeadBumpFreq); + iirSubBumpB = (randy * iirSubBumpA) + (invrandy * iirSubBumpB) + (randy * iirSubBumpC); + if (iirSubBumpB > 0) iirSubBumpB -= clamp; + if (iirSubBumpB < 0) iirSubBumpB += clamp; + SubBump = iirSubBumpB; + break; + case 3: + iirSubBumpC += SubBump;// * BassGain); + iirSubBumpC -= (iirSubBumpC * iirSubBumpC * iirSubBumpC * HeadBumpFreq); + iirSubBumpC = (randy * iirSubBumpA) + (randy * iirSubBumpB) + (invrandy * iirSubBumpC); + if (iirSubBumpC > 0) iirSubBumpC -= clamp; + if (iirSubBumpC < 0) iirSubBumpC += clamp; + SubBump = iirSubBumpC; + break; + } + + iirSampleZ = (iirSampleZ * (1.0 - HeadBumpFreq)) + (SubBump * HeadBumpFreq); SubBump = iirSampleZ; + iirDriveSampleE = (iirDriveSampleE * (1.0 - iirAmount)) + (SubBump * iirAmount); SubBump = iirDriveSampleE; + iirDriveSampleF = (iirDriveSampleF * (1.0 - iirAmount)) + (SubBump * iirAmount); SubBump = iirDriveSampleF; + + + inputSampleL += (HeadBump * BassOutGain); + inputSampleL += (SubBump * SubOutGain); + + inputSampleR += (HeadBump * BassOutGain); + inputSampleR += (SubBump * SubOutGain); + + + flip = !flip; + bflip++; + if (bflip < 1 || bflip > 3) bflip = 1; + + //noise shaping to 64-bit floating point + double 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 64 bit output + + *out1 = inputSampleL; + *out2 = inputSampleR; + + *in1++; + *in2++; + *out1++; + *out2++; + } + 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. +} |