From ed847692d3e120b8c64b42d2a073d5b6bb033981 Mon Sep 17 00:00:00 2001 From: Chris Johnson Date: Sun, 18 Aug 2019 15:56:09 -0400 Subject: Interstage --- plugins/LinuxVST/CMakeLists.txt | 1 + plugins/LinuxVST/src/Interstage/Interstage.cpp | 107 ++++++++++++ plugins/LinuxVST/src/Interstage/Interstage.h | 72 ++++++++ plugins/LinuxVST/src/Interstage/InterstageProc.cpp | 182 +++++++++++++++++++++ 4 files changed, 362 insertions(+) create mode 100755 plugins/LinuxVST/src/Interstage/Interstage.cpp create mode 100755 plugins/LinuxVST/src/Interstage/Interstage.h create mode 100755 plugins/LinuxVST/src/Interstage/InterstageProc.cpp (limited to 'plugins/LinuxVST') diff --git a/plugins/LinuxVST/CMakeLists.txt b/plugins/LinuxVST/CMakeLists.txt index 476a386..9ca381a 100755 --- a/plugins/LinuxVST/CMakeLists.txt +++ b/plugins/LinuxVST/CMakeLists.txt @@ -95,6 +95,7 @@ add_airwindows_plugin(Highpass) add_airwindows_plugin(Highpass2) add_airwindows_plugin(Holt) add_airwindows_plugin(Hombre) +add_airwindows_plugin(Interstage) add_airwindows_plugin(IronOxide5) add_airwindows_plugin(IronOxideClassic) add_airwindows_plugin(Logical4) diff --git a/plugins/LinuxVST/src/Interstage/Interstage.cpp b/plugins/LinuxVST/src/Interstage/Interstage.cpp new file mode 100755 index 0000000..9c8acdd --- /dev/null +++ b/plugins/LinuxVST/src/Interstage/Interstage.cpp @@ -0,0 +1,107 @@ +/* ======================================== + * Interstage - Interstage.h + * Copyright (c) 2016 airwindows, All rights reserved + * ======================================== */ + +#ifndef __Interstage_H +#include "Interstage.h" +#endif + +AudioEffect* createEffectInstance(audioMasterCallback audioMaster) {return new Interstage(audioMaster);} + +Interstage::Interstage(audioMasterCallback audioMaster) : + AudioEffectX(audioMaster, kNumPrograms, kNumParameters) +{ + iirSampleAL = 0.0; + iirSampleBL = 0.0; + iirSampleCL = 0.0; + iirSampleDL = 0.0; + iirSampleEL = 0.0; + iirSampleFL = 0.0; + lastSampleL = 0.0; + iirSampleAR = 0.0; + iirSampleBR = 0.0; + iirSampleCR = 0.0; + iirSampleDR = 0.0; + iirSampleER = 0.0; + iirSampleFR = 0.0; + lastSampleR = 0.0; + fpd = 17; + flip = 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 +} + +Interstage::~Interstage() {} +VstInt32 Interstage::getVendorVersion () {return 1000;} +void Interstage::setProgramName(char *name) {vst_strncpy (_programName, name, kVstMaxProgNameLen);} +void Interstage::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! + +VstInt32 Interstage::getChunk (void** data, bool isPreset) +{ + return 0; +} + +VstInt32 Interstage::setChunk (void* data, VstInt32 byteSize, bool isPreset) +{ + return 0; +} + +void Interstage::setParameter(VstInt32 index, float value) { + switch (index) { + default: throw; // unknown parameter, shouldn't happen! + } +} + +float Interstage::getParameter(VstInt32 index) { + switch (index) { + default: break; // unknown parameter, shouldn't happen! + } return 0.0; //we only need to update the relevant name, this is simple to manage +} + +void Interstage::getParameterName(VstInt32 index, char *text) { + switch (index) { + default: break; // unknown parameter, shouldn't happen! + } //this is our labels for displaying in the VST host +} + +void Interstage::getParameterDisplay(VstInt32 index, char *text) { + switch (index) { + default: break; // unknown parameter, shouldn't happen! + } //this displays the values and handles 'popups' where it's discrete choices +} + +void Interstage::getParameterLabel(VstInt32 index, char *text) { + switch (index) { + default: break; // unknown parameter, shouldn't happen! + } +} + +VstInt32 Interstage::canDo(char *text) +{ return (_canDo.find(text) == _canDo.end()) ? -1: 1; } // 1 = yes, -1 = no, 0 = don't know + +bool Interstage::getEffectName(char* name) { + vst_strncpy(name, "Interstage", kVstMaxProductStrLen); return true; +} + +VstPlugCategory Interstage::getPlugCategory() {return kPlugCategEffect;} + +bool Interstage::getProductString(char* text) { + vst_strncpy (text, "airwindows Interstage", kVstMaxProductStrLen); return true; +} + +bool Interstage::getVendorString(char* text) { + vst_strncpy (text, "airwindows", kVstMaxVendorStrLen); return true; +} diff --git a/plugins/LinuxVST/src/Interstage/Interstage.h b/plugins/LinuxVST/src/Interstage/Interstage.h new file mode 100755 index 0000000..146b84c --- /dev/null +++ b/plugins/LinuxVST/src/Interstage/Interstage.h @@ -0,0 +1,72 @@ +/* ======================================== + * Interstage - Interstage.h + * Created 8/12/11 by SPIAdmin + * Copyright (c) 2011 __MyCompanyName__, All rights reserved + * ======================================== */ + +#ifndef __Interstage_H +#define __Interstage_H + +#ifndef __audioeffect__ +#include "audioeffectx.h" +#endif + +#include +#include +#include + +enum { + kNumParameters = 0 +}; // + +const int kNumPrograms = 0; +const int kNumInputs = 2; +const int kNumOutputs = 2; +const unsigned long kUniqueId = 'inte'; //Change this to what the AU identity is! + +class Interstage : + public AudioEffectX +{ +public: + Interstage(audioMasterCallback audioMaster); + ~Interstage(); + 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 iirSampleAL; + double iirSampleBL; + double iirSampleCL; + double iirSampleDL; + double iirSampleEL; + double iirSampleFL; + long double lastSampleL; + double iirSampleAR; + double iirSampleBR; + double iirSampleCR; + double iirSampleDR; + double iirSampleER; + double iirSampleFR; + long double lastSampleR; + uint32_t fpd; + bool flip; +}; + +#endif diff --git a/plugins/LinuxVST/src/Interstage/InterstageProc.cpp b/plugins/LinuxVST/src/Interstage/InterstageProc.cpp new file mode 100755 index 0000000..16f3ba1 --- /dev/null +++ b/plugins/LinuxVST/src/Interstage/InterstageProc.cpp @@ -0,0 +1,182 @@ +/* ======================================== + * Interstage - Interstage.h + * Copyright (c) 2016 airwindows, All rights reserved + * ======================================== */ + +#ifndef __Interstage_H +#include "Interstage.h" +#endif + +void Interstage::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 firstStage = 0.381966011250105 / overallscale; + double iirAmount = 0.00295 / overallscale; + double threshold = 0.381966011250105 / overallscale; + + while (--sampleFrames >= 0) + { + long double inputSampleL = *in1; + long double inputSampleR = *in2; + if (fabs(inputSampleL)<1.18e-37) inputSampleL = fpd * 1.18e-37; + if (fabs(inputSampleR)<1.18e-37) inputSampleR = fpd * 1.18e-37; + long double drySampleL = inputSampleL; + long double drySampleR = inputSampleR; + + inputSampleL = (inputSampleL+lastSampleL)*0.5; + inputSampleR = (inputSampleR+lastSampleR)*0.5; //start the lowpassing with an average + + if (flip) { + iirSampleAL = (iirSampleAL * (1 - firstStage)) + (inputSampleL * firstStage); inputSampleL = iirSampleAL; + iirSampleCL = (iirSampleCL * (1 - iirAmount)) + (inputSampleL * iirAmount); inputSampleL = iirSampleCL; + iirSampleEL = (iirSampleEL * (1 - iirAmount)) + (inputSampleL * iirAmount); inputSampleL = iirSampleEL; + inputSampleL = drySampleL - inputSampleL; + //make highpass + if (inputSampleL - iirSampleAL > threshold) inputSampleL = iirSampleAL + threshold; + if (inputSampleL - iirSampleAL < -threshold) inputSampleL = iirSampleAL - threshold; + //slew limit against lowpassed reference point + + iirSampleAR = (iirSampleAR * (1 - firstStage)) + (inputSampleR * firstStage); inputSampleR = iirSampleAR; + iirSampleCR = (iirSampleCR * (1 - iirAmount)) + (inputSampleR * iirAmount); inputSampleR = iirSampleCR; + iirSampleER = (iirSampleER * (1 - iirAmount)) + (inputSampleR * iirAmount); inputSampleR = iirSampleER; + inputSampleR = drySampleR - inputSampleR; + //make highpass + if (inputSampleR - iirSampleAR > threshold) inputSampleR = iirSampleAR + threshold; + if (inputSampleR - iirSampleAR < -threshold) inputSampleR = iirSampleAR - threshold; + //slew limit against lowpassed reference point + } else { + iirSampleBL = (iirSampleBL * (1 - firstStage)) + (inputSampleL * firstStage); inputSampleL = iirSampleBL; + iirSampleDL = (iirSampleDL * (1 - iirAmount)) + (inputSampleL * iirAmount); inputSampleL = iirSampleDL; + iirSampleFL = (iirSampleFL * (1 - iirAmount)) + (inputSampleL * iirAmount); inputSampleL = iirSampleFL; + inputSampleL = drySampleL - inputSampleL; + //make highpass + if (inputSampleL - iirSampleBL > threshold) inputSampleL = iirSampleBL + threshold; + if (inputSampleL - iirSampleBL < -threshold) inputSampleL = iirSampleBL - threshold; + //slew limit against lowpassed reference point + + iirSampleBR = (iirSampleBR * (1 - firstStage)) + (inputSampleR * firstStage); inputSampleR = iirSampleBR; + iirSampleDR = (iirSampleDR * (1 - iirAmount)) + (inputSampleR * iirAmount); inputSampleR = iirSampleDR; + iirSampleFR = (iirSampleFR * (1 - iirAmount)) + (inputSampleR * iirAmount); inputSampleR = iirSampleFR; + inputSampleR = drySampleR - inputSampleR; + //make highpass + if (inputSampleR - iirSampleBR > threshold) inputSampleR = iirSampleBR + threshold; + if (inputSampleR - iirSampleBR < -threshold) inputSampleR = iirSampleBR - threshold; + //slew limit against lowpassed reference point + } + flip = !flip; + lastSampleL = inputSampleL; + lastSampleR = inputSampleR; + + //begin 32 bit stereo 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)); + frexpf((float)inputSampleR, &expon); + fpd ^= fpd << 13; fpd ^= fpd >> 17; fpd ^= fpd << 5; + inputSampleR += ((double(fpd)-uint32_t(0x7fffffff)) * 5.5e-36l * pow(2,expon+62)); + //end 32 bit stereo floating point dither + + *out1 = inputSampleL; + *out2 = inputSampleR; + + *in1++; + *in2++; + *out1++; + *out2++; + } +} + +void Interstage::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 firstStage = 0.381966011250105 / overallscale; + double iirAmount = 0.00295 / overallscale; + double threshold = 0.381966011250105 / overallscale; + + while (--sampleFrames >= 0) + { + long double inputSampleL = *in1; + long double inputSampleR = *in2; + if (fabs(inputSampleL)<1.18e-43) inputSampleL = fpd * 1.18e-43; + if (fabs(inputSampleR)<1.18e-43) inputSampleR = fpd * 1.18e-43; + long double drySampleL = inputSampleL; + long double drySampleR = inputSampleR; + + inputSampleL = (inputSampleL+lastSampleL)*0.5; + inputSampleR = (inputSampleR+lastSampleR)*0.5; //start the lowpassing with an average + + if (flip) { + iirSampleAL = (iirSampleAL * (1 - firstStage)) + (inputSampleL * firstStage); inputSampleL = iirSampleAL; + iirSampleCL = (iirSampleCL * (1 - iirAmount)) + (inputSampleL * iirAmount); inputSampleL = iirSampleCL; + iirSampleEL = (iirSampleEL * (1 - iirAmount)) + (inputSampleL * iirAmount); inputSampleL = iirSampleEL; + inputSampleL = drySampleL - inputSampleL; + //make highpass + if (inputSampleL - iirSampleAL > threshold) inputSampleL = iirSampleAL + threshold; + if (inputSampleL - iirSampleAL < -threshold) inputSampleL = iirSampleAL - threshold; + //slew limit against lowpassed reference point + + iirSampleAR = (iirSampleAR * (1 - firstStage)) + (inputSampleR * firstStage); inputSampleR = iirSampleAR; + iirSampleCR = (iirSampleCR * (1 - iirAmount)) + (inputSampleR * iirAmount); inputSampleR = iirSampleCR; + iirSampleER = (iirSampleER * (1 - iirAmount)) + (inputSampleR * iirAmount); inputSampleR = iirSampleER; + inputSampleR = drySampleR - inputSampleR; + //make highpass + if (inputSampleR - iirSampleAR > threshold) inputSampleR = iirSampleAR + threshold; + if (inputSampleR - iirSampleAR < -threshold) inputSampleR = iirSampleAR - threshold; + //slew limit against lowpassed reference point + } else { + iirSampleBL = (iirSampleBL * (1 - firstStage)) + (inputSampleL * firstStage); inputSampleL = iirSampleBL; + iirSampleDL = (iirSampleDL * (1 - iirAmount)) + (inputSampleL * iirAmount); inputSampleL = iirSampleDL; + iirSampleFL = (iirSampleFL * (1 - iirAmount)) + (inputSampleL * iirAmount); inputSampleL = iirSampleFL; + inputSampleL = drySampleL - inputSampleL; + //make highpass + if (inputSampleL - iirSampleBL > threshold) inputSampleL = iirSampleBL + threshold; + if (inputSampleL - iirSampleBL < -threshold) inputSampleL = iirSampleBL - threshold; + //slew limit against lowpassed reference point + + iirSampleBR = (iirSampleBR * (1 - firstStage)) + (inputSampleR * firstStage); inputSampleR = iirSampleBR; + iirSampleDR = (iirSampleDR * (1 - iirAmount)) + (inputSampleR * iirAmount); inputSampleR = iirSampleDR; + iirSampleFR = (iirSampleFR * (1 - iirAmount)) + (inputSampleR * iirAmount); inputSampleR = iirSampleFR; + inputSampleR = drySampleR - inputSampleR; + //make highpass + if (inputSampleR - iirSampleBR > threshold) inputSampleR = iirSampleBR + threshold; + if (inputSampleR - iirSampleBR < -threshold) inputSampleR = iirSampleBR - threshold; + //slew limit against lowpassed reference point + } + flip = !flip; + lastSampleL = inputSampleL; + lastSampleR = inputSampleR; + + //begin 64 bit stereo floating point dither + int expon; frexp((double)inputSampleL, &expon); + fpd ^= fpd << 13; fpd ^= fpd >> 17; fpd ^= fpd << 5; + inputSampleL += ((double(fpd)-uint32_t(0x7fffffff)) * 1.1e-44l * pow(2,expon+62)); + frexp((double)inputSampleR, &expon); + fpd ^= fpd << 13; fpd ^= fpd >> 17; fpd ^= fpd << 5; + inputSampleR += ((double(fpd)-uint32_t(0x7fffffff)) * 1.1e-44l * pow(2,expon+62)); + //end 64 bit stereo floating point dither + + *out1 = inputSampleL; + *out2 = inputSampleR; + + *in1++; + *in2++; + *out1++; + *out2++; + } +} -- cgit v1.2.3