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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/Capacitor/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/Capacitor/source')
-rwxr-xr-x | plugins/MacVST/Capacitor/source/Capacitor.cpp | 179 | ||||
-rwxr-xr-x | plugins/MacVST/Capacitor/source/Capacitor.h | 109 | ||||
-rwxr-xr-x | plugins/MacVST/Capacitor/source/CapacitorProc.cpp | 418 |
3 files changed, 706 insertions, 0 deletions
diff --git a/plugins/MacVST/Capacitor/source/Capacitor.cpp b/plugins/MacVST/Capacitor/source/Capacitor.cpp new file mode 100755 index 0000000..2a62df6 --- /dev/null +++ b/plugins/MacVST/Capacitor/source/Capacitor.cpp @@ -0,0 +1,179 @@ +/* ======================================== + * Capacitor - Capacitor.h + * Copyright (c) 2016 airwindows, All rights reserved + * ======================================== */ + +#ifndef __Capacitor_H +#include "Capacitor.h" +#endif + +AudioEffect* createEffectInstance(audioMasterCallback audioMaster) {return new Capacitor(audioMaster);} + +Capacitor::Capacitor(audioMasterCallback audioMaster) : + AudioEffectX(audioMaster, kNumPrograms, kNumParameters) +{ + A = 1.0; + B = 0.0; + C = 1.0; + iirHighpassAL = 0.0; + iirHighpassBL = 0.0; + iirHighpassCL = 0.0; + iirHighpassDL = 0.0; + iirHighpassEL = 0.0; + iirHighpassFL = 0.0; + iirLowpassAL = 0.0; + iirLowpassBL = 0.0; + iirLowpassCL = 0.0; + iirLowpassDL = 0.0; + iirLowpassEL = 0.0; + iirLowpassFL = 0.0; + + iirHighpassAR = 0.0; + iirHighpassBR = 0.0; + iirHighpassCR = 0.0; + iirHighpassDR = 0.0; + iirHighpassER = 0.0; + iirHighpassFR = 0.0; + iirLowpassAR = 0.0; + iirLowpassBR = 0.0; + iirLowpassCR = 0.0; + iirLowpassDR = 0.0; + iirLowpassER = 0.0; + iirLowpassFR = 0.0; + count = 0; + lowpassChase = 0.0; + highpassChase = 0.0; + wetChase = 0.0; + lowpassAmount = 1.0; + highpassAmount = 0.0; + wet = 1.0; + lastLowpass = 1000.0; + lastHighpass = 1000.0; + lastWet = 1000.0; + + fpNShapeLA = 0.0; + fpNShapeLB = 0.0; + fpNShapeRA = 0.0; + fpNShapeRB = 0.0; + fpFlip = true; + //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 +} + +Capacitor::~Capacitor() {} +VstInt32 Capacitor::getVendorVersion () {return 1000;} +void Capacitor::setProgramName(char *name) {vst_strncpy (_programName, name, kVstMaxProgNameLen);} +void Capacitor::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 Capacitor::getChunk (void** data, bool isPreset) +{ + float *chunkData = (float *)calloc(kNumParameters, sizeof(float)); + chunkData[0] = A; + chunkData[1] = B; + chunkData[2] = C; + /* 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 Capacitor::setChunk (void* data, VstInt32 byteSize, bool isPreset) +{ + float *chunkData = (float *)data; + A = pinParameter(chunkData[0]); + B = pinParameter(chunkData[1]); + C = pinParameter(chunkData[2]); + /* 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 Capacitor::setParameter(VstInt32 index, float value) { + switch (index) { + case kParamA: A = value; break; + case kParamB: B = value; break; //percent. Using this value, it'll be 0-100 everywhere + case kParamC: C = value; break; + default: throw; // unknown parameter, shouldn't happen! + } + //we can also set other defaults here, and do calculations that only have to happen + //once when parameters actually change. Here is the 'popup' setting its (global) values. + //variables can also be set in the processreplacing loop, and there they'll be set every buffersize + //here they're set when a parameter's actually changed, which should be less frequent, but + //you must use global variables in the Capacitor.h file to do it. +} + +float Capacitor::getParameter(VstInt32 index) { + switch (index) { + case kParamA: return A; break; + case kParamB: return B; break; + case kParamC: return C; 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 Capacitor::getParameterName(VstInt32 index, char *text) { + switch (index) { + case kParamA: vst_strncpy (text, "Lowpass", kVstMaxParamStrLen); break; + case kParamB: vst_strncpy (text, "Highpass", kVstMaxParamStrLen); break; + case kParamC: vst_strncpy (text, "Dry/Wet", kVstMaxParamStrLen); break; + default: break; // unknown parameter, shouldn't happen! + } //this is our labels for displaying in the VST host +} + +void Capacitor::getParameterDisplay(VstInt32 index, char *text) { + switch (index) { + case kParamA: float2string (A, text, kVstMaxParamStrLen); break; + case kParamB: float2string (B, text, kVstMaxParamStrLen); break; //also display 0-1 as percent + case kParamC: float2string (C, text, kVstMaxParamStrLen); break; + default: break; // unknown parameter, shouldn't happen! + } //this displays the values and handles 'popups' where it's discrete choices +} + +void Capacitor::getParameterLabel(VstInt32 index, char *text) { + switch (index) { + case kParamA: vst_strncpy (text, " ", kVstMaxParamStrLen); break; + case kParamB: vst_strncpy (text, " ", kVstMaxParamStrLen); break; //the percent + case kParamC: vst_strncpy (text, " ", kVstMaxParamStrLen); break; + default: break; // unknown parameter, shouldn't happen! + } +} + +VstInt32 Capacitor::canDo(char *text) +{ return (_canDo.find(text) == _canDo.end()) ? -1: 1; } // 1 = yes, -1 = no, 0 = don't know + +bool Capacitor::getEffectName(char* name) { + vst_strncpy(name, "Capacitor", kVstMaxProductStrLen); return true; +} + +VstPlugCategory Capacitor::getPlugCategory() {return kPlugCategEffect;} + +bool Capacitor::getProductString(char* text) { + vst_strncpy (text, "airwindows Capacitor", kVstMaxProductStrLen); return true; +} + +bool Capacitor::getVendorString(char* text) { + vst_strncpy (text, "airwindows", kVstMaxVendorStrLen); return true; +} diff --git a/plugins/MacVST/Capacitor/source/Capacitor.h b/plugins/MacVST/Capacitor/source/Capacitor.h new file mode 100755 index 0000000..d80c676 --- /dev/null +++ b/plugins/MacVST/Capacitor/source/Capacitor.h @@ -0,0 +1,109 @@ +/* ======================================== + * Capacitor - Capacitor.h + * Created 8/12/11 by SPIAdmin + * Copyright (c) 2011 __MyCompanyName__, All rights reserved + * ======================================== */ + +#ifndef __Capacitor_H +#define __Capacitor_H + +#ifndef __audioeffect__ +#include "audioeffectx.h" +#endif + +#include <set> +#include <string> +#include <math.h> + +enum { + kParamA = 0, + kParamB = 1, + kParamC = 2, + kNumParameters = 3 +}; // + +const int kNumPrograms = 0; +const int kNumInputs = 2; +const int kNumOutputs = 2; +const unsigned long kUniqueId = 'capa'; //Change this to what the AU identity is! + +class Capacitor : + public AudioEffectX +{ +public: + Capacitor(audioMasterCallback audioMaster); + ~Capacitor(); + 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 iirHighpassAL; + double iirHighpassBL; + double iirHighpassCL; + double iirHighpassDL; + double iirHighpassEL; + double iirHighpassFL; + double iirLowpassAL; + double iirLowpassBL; + double iirLowpassCL; + double iirLowpassDL; + double iirLowpassEL; + double iirLowpassFL; + + double iirHighpassAR; + double iirHighpassBR; + double iirHighpassCR; + double iirHighpassDR; + double iirHighpassER; + double iirHighpassFR; + double iirLowpassAR; + double iirLowpassBR; + double iirLowpassCR; + double iirLowpassDR; + double iirLowpassER; + double iirLowpassFR; + + int count; + + double lowpassChase; + double highpassChase; + double wetChase; + + double lowpassAmount; + double highpassAmount; + double wet; + + double lastLowpass; + double lastHighpass; + double lastWet; + + long double fpNShapeLA; + long double fpNShapeLB; + long double fpNShapeRA; + long double fpNShapeRB; + bool fpFlip; + //default stuff + + float A; + float B; + float C; +}; + +#endif diff --git a/plugins/MacVST/Capacitor/source/CapacitorProc.cpp b/plugins/MacVST/Capacitor/source/CapacitorProc.cpp new file mode 100755 index 0000000..6accb0d --- /dev/null +++ b/plugins/MacVST/Capacitor/source/CapacitorProc.cpp @@ -0,0 +1,418 @@ +/* ======================================== + * Capacitor - Capacitor.h + * Copyright (c) 2016 airwindows, All rights reserved + * ======================================== */ + +#ifndef __Capacitor_H +#include "Capacitor.h" +#endif + +void Capacitor::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames) +{ + float* in1 = inputs[0]; + float* in2 = inputs[1]; + float* out1 = outputs[0]; + float* out2 = outputs[1]; + + lowpassChase = pow(A,2); + highpassChase = pow(B,2); + wetChase = C; + //should not scale with sample rate, because values reaching 1 are important + //to its ability to bypass when set to max + double lowpassSpeed = 300 / (fabs( lastLowpass - lowpassChase)+1.0); + double highpassSpeed = 300 / (fabs( lastHighpass - highpassChase)+1.0); + double wetSpeed = 300 / (fabs( lastWet - wetChase)+1.0); + lastLowpass = lowpassChase; + lastHighpass = highpassChase; + lastWet = wetChase; + + double invLowpass; + double invHighpass; + double dry; + + float fpTemp; + long double fpOld = 0.618033988749894848204586; //golden ratio! + long double fpNew = 1.0 - fpOld; + + long double inputSampleL; + long double inputSampleR; + float drySampleL; + float drySampleR; + + while (--sampleFrames >= 0) + { + inputSampleL = *in1; + inputSampleR = *in2; + if (inputSampleL<1.2e-38 && -inputSampleL<1.2e-38) { + static int noisesource = 0; + //this declares a variable before anything else is compiled. It won't keep assigning + //it to 0 for every sample, it's as if the declaration doesn't exist in this context, + //but it lets me add this denormalization fix in a single place rather than updating + //it in three different locations. The variable isn't thread-safe but this is only + //a random seed and we can share it with whatever. + noisesource = noisesource % 1700021; noisesource++; + int residue = noisesource * noisesource; + residue = residue % 170003; residue *= residue; + residue = residue % 17011; residue *= residue; + residue = residue % 1709; residue *= residue; + residue = residue % 173; residue *= residue; + residue = residue % 17; + double applyresidue = residue; + applyresidue *= 0.00000001; + applyresidue *= 0.00000001; + inputSampleL = applyresidue; + } + if (inputSampleR<1.2e-38 && -inputSampleR<1.2e-38) { + static int noisesource = 0; + noisesource = noisesource % 1700021; noisesource++; + int residue = noisesource * noisesource; + residue = residue % 170003; residue *= residue; + residue = residue % 17011; residue *= residue; + residue = residue % 1709; residue *= residue; + residue = residue % 173; residue *= residue; + residue = residue % 17; + double applyresidue = residue; + applyresidue *= 0.00000001; + applyresidue *= 0.00000001; + inputSampleR = applyresidue; + //this denormalization routine produces a white noise at -300 dB which the noise + //shaping will interact with to produce a bipolar output, but the noise is actually + //all positive. That should stop any variables from going denormal, and the routine + //only kicks in if digital black is input. As a final touch, if you save to 24-bit + //the silence will return to being digital black again. + } + drySampleL = inputSampleL; + drySampleR = inputSampleR; + + + lowpassAmount = (((lowpassAmount*lowpassSpeed)+lowpassChase)/(lowpassSpeed + 1.0)); invLowpass = 1.0 - lowpassAmount; + highpassAmount = (((highpassAmount*highpassSpeed)+highpassChase)/(highpassSpeed + 1.0)); invHighpass = 1.0 - highpassAmount; + wet = (((wet*wetSpeed)+wetChase)/(wetSpeed+1.0)); dry = 1.0 - wet; + + count++; if (count > 5) count = 0; switch (count) + { + case 0: + iirHighpassAL = (iirHighpassAL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassAL; + iirLowpassAL = (iirLowpassAL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassAL; + iirHighpassBL = (iirHighpassBL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassBL; + iirLowpassBL = (iirLowpassBL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassBL; + iirHighpassDL = (iirHighpassDL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassDL; + iirLowpassDL = (iirLowpassDL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassDL; + iirHighpassAR = (iirHighpassAR * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassAR; + iirLowpassAR = (iirLowpassAR * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassAR; + iirHighpassBR = (iirHighpassBR * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassBR; + iirLowpassBR = (iirLowpassBR * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassBR; + iirHighpassDR = (iirHighpassDR * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassDR; + iirLowpassDR = (iirLowpassDR * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassDR; + break; + case 1: + iirHighpassAL = (iirHighpassAL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassAL; + iirLowpassAL = (iirLowpassAL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassAL; + iirHighpassCL = (iirHighpassCL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassCL; + iirLowpassCL = (iirLowpassCL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassCL; + iirHighpassEL = (iirHighpassEL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassEL; + iirLowpassEL = (iirLowpassEL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassEL; + iirHighpassAR = (iirHighpassAR * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassAR; + iirLowpassAR = (iirLowpassAR * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassAR; + iirHighpassCR = (iirHighpassCR * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassCR; + iirLowpassCR = (iirLowpassCR * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassCR; + iirHighpassER = (iirHighpassER * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassER; + iirLowpassER = (iirLowpassER * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassER; + break; + case 2: + iirHighpassAL = (iirHighpassAL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassAL; + iirLowpassAL = (iirLowpassAL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassAL; + iirHighpassBL = (iirHighpassBL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassBL; + iirLowpassBL = (iirLowpassBL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassBL; + iirHighpassFL = (iirHighpassFL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassFL; + iirLowpassFL = (iirLowpassFL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassFL; + iirHighpassAR = (iirHighpassAR * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassAR; + iirLowpassAR = (iirLowpassAR * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassAR; + iirHighpassBR = (iirHighpassBR * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassBR; + iirLowpassBR = (iirLowpassBR * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassBR; + iirHighpassFR = (iirHighpassFR * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassFR; + iirLowpassFR = (iirLowpassFR * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassFR; + break; + case 3: + iirHighpassAL = (iirHighpassAL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassAL; + iirLowpassAL = (iirLowpassAL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassAL; + iirHighpassCL = (iirHighpassCL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassCL; + iirLowpassCL = (iirLowpassCL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassCL; + iirHighpassDL = (iirHighpassDL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassDL; + iirLowpassDL = (iirLowpassDL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassDL; + iirHighpassAR = (iirHighpassAR * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassAR; + iirLowpassAR = (iirLowpassAR * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassAR; + iirHighpassCR = (iirHighpassCR * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassCR; + iirLowpassCR = (iirLowpassCR * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassCR; + iirHighpassDR = (iirHighpassDR * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassDR; + iirLowpassDR = (iirLowpassDR * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassDR; + break; + case 4: + iirHighpassAL = (iirHighpassAL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassAL; + iirLowpassAL = (iirLowpassAL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassAL; + iirHighpassBL = (iirHighpassBL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassBL; + iirLowpassBL = (iirLowpassBL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassBL; + iirHighpassEL = (iirHighpassEL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassEL; + iirLowpassEL = (iirLowpassEL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassEL; + iirHighpassAR = (iirHighpassAR * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassAR; + iirLowpassAR = (iirLowpassAR * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassAR; + iirHighpassBR = (iirHighpassBR * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassBR; + iirLowpassBR = (iirLowpassBR * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassBR; + iirHighpassER = (iirHighpassER * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassER; + iirLowpassER = (iirLowpassER * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassER; + break; + case 5: + iirHighpassAL = (iirHighpassAL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassAL; + iirLowpassAL = (iirLowpassAL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassAL; + iirHighpassCL = (iirHighpassCL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassCL; + iirLowpassCL = (iirLowpassCL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassCL; + iirHighpassFL = (iirHighpassFL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassFL; + iirLowpassFL = (iirLowpassFL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassFL; + iirHighpassAR = (iirHighpassAR * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassAR; + iirLowpassAR = (iirLowpassAR * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassAR; + iirHighpassCR = (iirHighpassCR * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassCR; + iirLowpassCR = (iirLowpassCR * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassCR; + iirHighpassFR = (iirHighpassFR * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassFR; + iirLowpassFR = (iirLowpassFR * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassFR; + break; + } + //Highpass Filter chunk. This is three poles of IIR highpass, with a 'gearbox' that progressively + //steepens the filter after minimizing artifacts. + + inputSampleL = (drySampleL * dry) + (inputSampleL * wet); + inputSampleR = (drySampleR * dry) + (inputSampleR * wet); + + //noise shaping to 32-bit floating point + if (fpFlip) { + fpTemp = inputSampleL; + fpNShapeLA = (fpNShapeLA*fpOld)+((inputSampleL-fpTemp)*fpNew); + inputSampleL += fpNShapeLA; + fpTemp = inputSampleR; + fpNShapeRA = (fpNShapeRA*fpOld)+((inputSampleR-fpTemp)*fpNew); + inputSampleR += fpNShapeRA; + } + else { + fpTemp = inputSampleL; + fpNShapeLB = (fpNShapeLB*fpOld)+((inputSampleL-fpTemp)*fpNew); + inputSampleL += fpNShapeLB; + fpTemp = inputSampleR; + fpNShapeRB = (fpNShapeRB*fpOld)+((inputSampleR-fpTemp)*fpNew); + inputSampleR += fpNShapeRB; + } + fpFlip = !fpFlip; + //end noise shaping on 32 bit output + + *out1 = inputSampleL; + *out2 = inputSampleR; + + *in1++; + *in2++; + *out1++; + *out2++; + } +} + +void Capacitor::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames) +{ + double* in1 = inputs[0]; + double* in2 = inputs[1]; + double* out1 = outputs[0]; + double* out2 = outputs[1]; + + lowpassChase = pow(A,2); + highpassChase = pow(B,2); + wetChase = C; + //should not scale with sample rate, because values reaching 1 are important + //to its ability to bypass when set to max + double lowpassSpeed = 300 / (fabs( lastLowpass - lowpassChase)+1.0); + double highpassSpeed = 300 / (fabs( lastHighpass - highpassChase)+1.0); + double wetSpeed = 300 / (fabs( lastWet - wetChase)+1.0); + lastLowpass = lowpassChase; + lastHighpass = highpassChase; + lastWet = wetChase; + + double invLowpass; + double invHighpass; + double dry; + + double fpTemp; + long double fpOld = 0.618033988749894848204586; //golden ratio! + long double fpNew = 1.0 - fpOld; + + long double inputSampleL; + long double inputSampleR; + double drySampleL; + double drySampleR; + + + while (--sampleFrames >= 0) + { + inputSampleL = *in1; + inputSampleR = *in2; + if (inputSampleL<1.2e-38 && -inputSampleL<1.2e-38) { + static int noisesource = 0; + //this declares a variable before anything else is compiled. It won't keep assigning + //it to 0 for every sample, it's as if the declaration doesn't exist in this context, + //but it lets me add this denormalization fix in a single place rather than updating + //it in three different locations. The variable isn't thread-safe but this is only + //a random seed and we can share it with whatever. + noisesource = noisesource % 1700021; noisesource++; + int residue = noisesource * noisesource; + residue = residue % 170003; residue *= residue; + residue = residue % 17011; residue *= residue; + residue = residue % 1709; residue *= residue; + residue = residue % 173; residue *= residue; + residue = residue % 17; + double applyresidue = residue; + applyresidue *= 0.00000001; + applyresidue *= 0.00000001; + inputSampleL = applyresidue; + } + if (inputSampleR<1.2e-38 && -inputSampleR<1.2e-38) { + static int noisesource = 0; + noisesource = noisesource % 1700021; noisesource++; + int residue = noisesource * noisesource; + residue = residue % 170003; residue *= residue; + residue = residue % 17011; residue *= residue; + residue = residue % 1709; residue *= residue; + residue = residue % 173; residue *= residue; + residue = residue % 17; + double applyresidue = residue; + applyresidue *= 0.00000001; + applyresidue *= 0.00000001; + inputSampleR = applyresidue; + //this denormalization routine produces a white noise at -300 dB which the noise + //shaping will interact with to produce a bipolar output, but the noise is actually + //all positive. That should stop any variables from going denormal, and the routine + //only kicks in if digital black is input. As a final touch, if you save to 24-bit + //the silence will return to being digital black again. + } + drySampleL = inputSampleL; + drySampleR = inputSampleR; + + lowpassAmount = (((lowpassAmount*lowpassSpeed)+lowpassChase)/(lowpassSpeed + 1.0)); invLowpass = 1.0 - lowpassAmount; + highpassAmount = (((highpassAmount*highpassSpeed)+highpassChase)/(highpassSpeed + 1.0)); invHighpass = 1.0 - highpassAmount; + wet = (((wet*wetSpeed)+wetChase)/(wetSpeed+1.0)); dry = 1.0 - wet; + + count++; if (count > 5) count = 0; switch (count) + { + case 0: + iirHighpassAL = (iirHighpassAL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassAL; + iirLowpassAL = (iirLowpassAL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassAL; + iirHighpassBL = (iirHighpassBL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassBL; + iirLowpassBL = (iirLowpassBL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassBL; + iirHighpassDL = (iirHighpassDL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassDL; + iirLowpassDL = (iirLowpassDL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassDL; + iirHighpassAR = (iirHighpassAR * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassAR; + iirLowpassAR = (iirLowpassAR * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassAR; + iirHighpassBR = (iirHighpassBR * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassBR; + iirLowpassBR = (iirLowpassBR * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassBR; + iirHighpassDR = (iirHighpassDR * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassDR; + iirLowpassDR = (iirLowpassDR * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassDR; + break; + case 1: + iirHighpassAL = (iirHighpassAL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassAL; + iirLowpassAL = (iirLowpassAL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassAL; + iirHighpassCL = (iirHighpassCL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassCL; + iirLowpassCL = (iirLowpassCL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassCL; + iirHighpassEL = (iirHighpassEL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassEL; + iirLowpassEL = (iirLowpassEL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassEL; + iirHighpassAR = (iirHighpassAR * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassAR; + iirLowpassAR = (iirLowpassAR * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassAR; + iirHighpassCR = (iirHighpassCR * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassCR; + iirLowpassCR = (iirLowpassCR * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassCR; + iirHighpassER = (iirHighpassER * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassER; + iirLowpassER = (iirLowpassER * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassER; + break; + case 2: + iirHighpassAL = (iirHighpassAL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassAL; + iirLowpassAL = (iirLowpassAL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassAL; + iirHighpassBL = (iirHighpassBL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassBL; + iirLowpassBL = (iirLowpassBL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassBL; + iirHighpassFL = (iirHighpassFL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassFL; + iirLowpassFL = (iirLowpassFL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassFL; + iirHighpassAR = (iirHighpassAR * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassAR; + iirLowpassAR = (iirLowpassAR * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassAR; + iirHighpassBR = (iirHighpassBR * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassBR; + iirLowpassBR = (iirLowpassBR * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassBR; + iirHighpassFR = (iirHighpassFR * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassFR; + iirLowpassFR = (iirLowpassFR * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassFR; + break; + case 3: + iirHighpassAL = (iirHighpassAL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassAL; + iirLowpassAL = (iirLowpassAL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassAL; + iirHighpassCL = (iirHighpassCL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassCL; + iirLowpassCL = (iirLowpassCL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassCL; + iirHighpassDL = (iirHighpassDL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassDL; + iirLowpassDL = (iirLowpassDL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassDL; + iirHighpassAR = (iirHighpassAR * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassAR; + iirLowpassAR = (iirLowpassAR * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassAR; + iirHighpassCR = (iirHighpassCR * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassCR; + iirLowpassCR = (iirLowpassCR * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassCR; + iirHighpassDR = (iirHighpassDR * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassDR; + iirLowpassDR = (iirLowpassDR * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassDR; + break; + case 4: + iirHighpassAL = (iirHighpassAL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassAL; + iirLowpassAL = (iirLowpassAL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassAL; + iirHighpassBL = (iirHighpassBL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassBL; + iirLowpassBL = (iirLowpassBL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassBL; + iirHighpassEL = (iirHighpassEL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassEL; + iirLowpassEL = (iirLowpassEL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassEL; + iirHighpassAR = (iirHighpassAR * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassAR; + iirLowpassAR = (iirLowpassAR * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassAR; + iirHighpassBR = (iirHighpassBR * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassBR; + iirLowpassBR = (iirLowpassBR * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassBR; + iirHighpassER = (iirHighpassER * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassER; + iirLowpassER = (iirLowpassER * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassER; + break; + case 5: + iirHighpassAL = (iirHighpassAL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassAL; + iirLowpassAL = (iirLowpassAL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassAL; + iirHighpassCL = (iirHighpassCL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassCL; + iirLowpassCL = (iirLowpassCL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassCL; + iirHighpassFL = (iirHighpassFL * invHighpass) + (inputSampleL * highpassAmount); inputSampleL -= iirHighpassFL; + iirLowpassFL = (iirLowpassFL * invLowpass) + (inputSampleL * lowpassAmount); inputSampleL = iirLowpassFL; + iirHighpassAR = (iirHighpassAR * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassAR; + iirLowpassAR = (iirLowpassAR * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassAR; + iirHighpassCR = (iirHighpassCR * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassCR; + iirLowpassCR = (iirLowpassCR * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassCR; + iirHighpassFR = (iirHighpassFR * invHighpass) + (inputSampleR * highpassAmount); inputSampleR -= iirHighpassFR; + iirLowpassFR = (iirLowpassFR * invLowpass) + (inputSampleR * lowpassAmount); inputSampleR = iirLowpassFR; + break; + } + //Highpass Filter chunk. This is three poles of IIR highpass, with a 'gearbox' that progressively + //steepens the filter after minimizing artifacts. + + inputSampleL = (drySampleL * dry) + (inputSampleL * wet); + inputSampleR = (drySampleR * dry) + (inputSampleR * wet); + + //noise shaping to 64-bit floating point + if (fpFlip) { + fpTemp = inputSampleL; + fpNShapeLA = (fpNShapeLA*fpOld)+((inputSampleL-fpTemp)*fpNew); + inputSampleL += fpNShapeLA; + fpTemp = inputSampleR; + fpNShapeRA = (fpNShapeRA*fpOld)+((inputSampleR-fpTemp)*fpNew); + inputSampleR += fpNShapeRA; + } + else { + fpTemp = inputSampleL; + fpNShapeLB = (fpNShapeLB*fpOld)+((inputSampleL-fpTemp)*fpNew); + inputSampleL += fpNShapeLB; + fpTemp = inputSampleR; + fpNShapeRB = (fpNShapeRB*fpOld)+((inputSampleR-fpTemp)*fpNew); + inputSampleR += fpNShapeRB; + } + fpFlip = !fpFlip; + //end noise shaping on 64 bit output + + *out1 = inputSampleL; + *out2 = inputSampleR; + + *in1++; + *in2++; + *out1++; + *out2++; + } +}
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