From c9874a9636a92af92a0dfb5bb297e6eca71fc3e7 Mon Sep 17 00:00:00 2001 From: Chris Johnson Date: Sun, 1 Dec 2019 19:42:30 -0500 Subject: PowerSag2 --- plugins/LinuxVST/src/PowerSag2/PowerSag2.cpp | 132 ++++++++++++++++++++ plugins/LinuxVST/src/PowerSag2/PowerSag2.h | 69 +++++++++++ plugins/LinuxVST/src/PowerSag2/PowerSag2Proc.cpp | 146 +++++++++++++++++++++++ 3 files changed, 347 insertions(+) create mode 100755 plugins/LinuxVST/src/PowerSag2/PowerSag2.cpp create mode 100755 plugins/LinuxVST/src/PowerSag2/PowerSag2.h create mode 100755 plugins/LinuxVST/src/PowerSag2/PowerSag2Proc.cpp (limited to 'plugins/LinuxVST/src') diff --git a/plugins/LinuxVST/src/PowerSag2/PowerSag2.cpp b/plugins/LinuxVST/src/PowerSag2/PowerSag2.cpp new file mode 100755 index 0000000..bcf7fda --- /dev/null +++ b/plugins/LinuxVST/src/PowerSag2/PowerSag2.cpp @@ -0,0 +1,132 @@ +/* ======================================== + * PowerSag2 - PowerSag2.h + * Copyright (c) 2016 airwindows, All rights reserved + * ======================================== */ + +#ifndef __PowerSag2_H +#include "PowerSag2.h" +#endif + +AudioEffect* createEffectInstance(audioMasterCallback audioMaster) {return new PowerSag2(audioMaster);} + +PowerSag2::PowerSag2(audioMasterCallback audioMaster) : + AudioEffectX(audioMaster, kNumPrograms, kNumParameters) +{ + + for(int count = 0; count < 16385; count++) {dL[count] = 0; dR[count] = 0;} + controlL = 0; + controlR = 0; + gcount = 0; + + A = 0.3; + B = 0.5; + fpd = 17; + //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 +} + +PowerSag2::~PowerSag2() {} +VstInt32 PowerSag2::getVendorVersion () {return 1000;} +void PowerSag2::setProgramName(char *name) {vst_strncpy (_programName, name, kVstMaxProgNameLen);} +void PowerSag2::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 PowerSag2::getChunk (void** data, bool isPreset) +{ + float *chunkData = (float *)calloc(kNumParameters, sizeof(float)); + chunkData[0] = A; + chunkData[1] = B; + /* 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 PowerSag2::setChunk (void* data, VstInt32 byteSize, bool isPreset) +{ + float *chunkData = (float *)data; + A = pinParameter(chunkData[0]); + B = pinParameter(chunkData[1]); + /* 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 PowerSag2::setParameter(VstInt32 index, float value) { + switch (index) { + case kParamA: A = value; break; + case kParamB: B = value; break; + default: throw; // unknown parameter, shouldn't happen! + } +} + +float PowerSag2::getParameter(VstInt32 index) { + switch (index) { + case kParamA: return A; break; + case kParamB: return B; 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 PowerSag2::getParameterName(VstInt32 index, char *text) { + switch (index) { + case kParamA: vst_strncpy (text, "Range", kVstMaxParamStrLen); break; + case kParamB: vst_strncpy (text, "Inv/Wet", kVstMaxParamStrLen); break; + default: break; // unknown parameter, shouldn't happen! + } //this is our labels for displaying in the VST host +} + +void PowerSag2::getParameterDisplay(VstInt32 index, char *text) { + switch (index) { + case kParamA: float2string (A, text, kVstMaxParamStrLen); break; + case kParamB: float2string ((B*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 PowerSag2::getParameterLabel(VstInt32 index, char *text) { + switch (index) { + case kParamA: vst_strncpy (text, "", kVstMaxParamStrLen); break; + case kParamB: vst_strncpy (text, "", kVstMaxParamStrLen); break; + default: break; // unknown parameter, shouldn't happen! + } +} + +VstInt32 PowerSag2::canDo(char *text) +{ return (_canDo.find(text) == _canDo.end()) ? -1: 1; } // 1 = yes, -1 = no, 0 = don't know + +bool PowerSag2::getEffectName(char* name) { + vst_strncpy(name, "PowerSag2", kVstMaxProductStrLen); return true; +} + +VstPlugCategory PowerSag2::getPlugCategory() {return kPlugCategEffect;} + +bool PowerSag2::getProductString(char* text) { + vst_strncpy (text, "airwindows PowerSag2", kVstMaxProductStrLen); return true; +} + +bool PowerSag2::getVendorString(char* text) { + vst_strncpy (text, "airwindows", kVstMaxVendorStrLen); return true; +} diff --git a/plugins/LinuxVST/src/PowerSag2/PowerSag2.h b/plugins/LinuxVST/src/PowerSag2/PowerSag2.h new file mode 100755 index 0000000..8d34700 --- /dev/null +++ b/plugins/LinuxVST/src/PowerSag2/PowerSag2.h @@ -0,0 +1,69 @@ +/* ======================================== + * PowerSag2 - PowerSag2.h + * Created 8/12/11 by SPIAdmin + * Copyright (c) 2011 __MyCompanyName__, All rights reserved + * ======================================== */ + +#ifndef __PowerSag2_H +#define __PowerSag2_H + +#ifndef __audioeffect__ +#include "audioeffectx.h" +#endif + +#include +#include +#include + +enum { + kParamA = 0, + kParamB = 1, + kNumParameters = 2 +}; // + +const int kNumPrograms = 0; +const int kNumInputs = 2; +const int kNumOutputs = 2; +const unsigned long kUniqueId = 'psah'; //Change this to what the AU identity is! + +class PowerSag2 : + public AudioEffectX +{ +public: + PowerSag2(audioMasterCallback audioMaster); + ~PowerSag2(); + 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 dL[16386]; + double dR[16386]; + double controlL; + double controlR; + int gcount; + + uint32_t fpd; + //default stuff + + float A; + float B; +}; + +#endif diff --git a/plugins/LinuxVST/src/PowerSag2/PowerSag2Proc.cpp b/plugins/LinuxVST/src/PowerSag2/PowerSag2Proc.cpp new file mode 100755 index 0000000..645d7b2 --- /dev/null +++ b/plugins/LinuxVST/src/PowerSag2/PowerSag2Proc.cpp @@ -0,0 +1,146 @@ +/* ======================================== + * PowerSag2 - PowerSag2.h + * Copyright (c) 2016 airwindows, All rights reserved + * ======================================== */ + +#ifndef __PowerSag2_H +#include "PowerSag2.h" +#endif + +void PowerSag2::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames) +{ + float* in1 = inputs[0]; + float* in2 = inputs[1]; + float* out1 = outputs[0]; + float* out2 = outputs[1]; + + double depth = pow(A,4); + int offset = (int)(depth * 16383) + 1; + double wet = (B*2.0)-1.0; + + 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; + + if (gcount < 0 || gcount > 16384) {gcount = 16384;} + dL[gcount] = fabs(inputSampleL); + dR[gcount] = fabs(inputSampleR); + controlL += dL[gcount]; + controlR += dR[gcount]; + controlL -= dL[gcount+offset-((gcount+offset > 16384)?16384:0)]; + controlR -= dR[gcount+offset-((gcount+offset > 16384)?16384:0)]; + gcount--; + + if (controlL > offset) controlL = offset; if (controlL < 0.0) controlL = 0.0; + if (controlR > offset) controlR = offset; if (controlR < 0.0) controlR = 0.0; + + double burst = inputSampleL * (controlL / sqrt(offset)); + double clamp = inputSampleL / ((burst == 0.0)?1.0:burst); + + if (clamp > 1.0) clamp = 1.0; if (clamp < 0.0) clamp = 0.0; + inputSampleL *= clamp; + double difference = drySampleL - inputSampleL; + if (wet < 0.0) drySampleL *= (wet+1.0); + inputSampleL = drySampleL - (difference * wet); + + burst = inputSampleR * (controlR / sqrt(offset)); + clamp = inputSampleR / ((burst == 0.0)?1.0:burst); + + if (clamp > 1.0) clamp = 1.0; if (clamp < 0.0) clamp = 0.0; + inputSampleR *= clamp; + difference = drySampleR - inputSampleR; + if (wet < 0.0) drySampleR *= (wet+1.0); + inputSampleR = drySampleR - (difference * wet); + + //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 PowerSag2::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames) +{ + double* in1 = inputs[0]; + double* in2 = inputs[1]; + double* out1 = outputs[0]; + double* out2 = outputs[1]; + + double depth = pow(A,4); + int offset = (int)(depth * 16383) + 1; + double wet = (B*2.0)-1.0; + + 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; + + if (gcount < 0 || gcount > 16384) {gcount = 16384;} + dL[gcount] = fabs(inputSampleL); + dR[gcount] = fabs(inputSampleR); + controlL += dL[gcount]; + controlR += dR[gcount]; + controlL -= dL[gcount+offset-((gcount+offset > 16384)?16384:0)]; + controlR -= dR[gcount+offset-((gcount+offset > 16384)?16384:0)]; + gcount--; + + if (controlL > offset) controlL = offset; if (controlL < 0.0) controlL = 0.0; + if (controlR > offset) controlR = offset; if (controlR < 0.0) controlR = 0.0; + + double burst = inputSampleL * (controlL / sqrt(offset)); + double clamp = inputSampleL / ((burst == 0.0)?1.0:burst); + + if (clamp > 1.0) clamp = 1.0; if (clamp < 0.0) clamp = 0.0; + inputSampleL *= clamp; + double difference = drySampleL - inputSampleL; + if (wet < 0.0) drySampleL *= (wet+1.0); + inputSampleL = drySampleL - (difference * wet); + + burst = inputSampleR * (controlR / sqrt(offset)); + clamp = inputSampleR / ((burst == 0.0)?1.0:burst); + + if (clamp > 1.0) clamp = 1.0; if (clamp < 0.0) clamp = 0.0; + inputSampleR *= clamp; + difference = drySampleR - inputSampleR; + if (wet < 0.0) drySampleR *= (wet+1.0); + inputSampleR = drySampleR - (difference * wet); + + //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