From 614745bf38ad4f07cdc8dd3408015ef46e510d59 Mon Sep 17 00:00:00 2001 From: Chris Johnson Date: Sun, 1 Mar 2020 18:33:44 -0500 Subject: DigitalBlack --- plugins/LinuxVST/src/DigitalBlack/DigitalBlack.cpp | 132 +++++++++++++ plugins/LinuxVST/src/DigitalBlack/DigitalBlack.h | 69 +++++++ .../LinuxVST/src/DigitalBlack/DigitalBlackProc.cpp | 210 +++++++++++++++++++++ 3 files changed, 411 insertions(+) create mode 100755 plugins/LinuxVST/src/DigitalBlack/DigitalBlack.cpp create mode 100755 plugins/LinuxVST/src/DigitalBlack/DigitalBlack.h create mode 100755 plugins/LinuxVST/src/DigitalBlack/DigitalBlackProc.cpp (limited to 'plugins/LinuxVST/src') diff --git a/plugins/LinuxVST/src/DigitalBlack/DigitalBlack.cpp b/plugins/LinuxVST/src/DigitalBlack/DigitalBlack.cpp new file mode 100755 index 0000000..9208be4 --- /dev/null +++ b/plugins/LinuxVST/src/DigitalBlack/DigitalBlack.cpp @@ -0,0 +1,132 @@ +/* ======================================== + * DigitalBlack - DigitalBlack.h + * Copyright (c) 2016 airwindows, All rights reserved + * ======================================== */ + +#ifndef __DigitalBlack_H +#include "DigitalBlack.h" +#endif + +AudioEffect* createEffectInstance(audioMasterCallback audioMaster) {return new DigitalBlack(audioMaster);} + +DigitalBlack::DigitalBlack(audioMasterCallback audioMaster) : + AudioEffectX(audioMaster, kNumPrograms, kNumParameters) +{ + A = 0.0; + B = 1.0; + WasNegativeL = false; + ZeroCrossL = 0; + gaterollerL = 0.0; + WasNegativeR = false; + ZeroCrossR = 0; + gaterollerR = 0.0; + 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 +} + +DigitalBlack::~DigitalBlack() {} +VstInt32 DigitalBlack::getVendorVersion () {return 1000;} +void DigitalBlack::setProgramName(char *name) {vst_strncpy (_programName, name, kVstMaxProgNameLen);} +void DigitalBlack::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 DigitalBlack::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 DigitalBlack::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 DigitalBlack::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 DigitalBlack::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 DigitalBlack::getParameterName(VstInt32 index, char *text) { + switch (index) { + case kParamA: vst_strncpy (text, "Thresh", kVstMaxParamStrLen); break; + case kParamB: 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 DigitalBlack::getParameterDisplay(VstInt32 index, char *text) { + switch (index) { + case kParamA: float2string (A, text, kVstMaxParamStrLen); break; + case kParamB: float2string (B, text, kVstMaxParamStrLen); break; + default: break; // unknown parameter, shouldn't happen! + } //this displays the values and handles 'popups' where it's discrete choices +} + +void DigitalBlack::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 DigitalBlack::canDo(char *text) +{ return (_canDo.find(text) == _canDo.end()) ? -1: 1; } // 1 = yes, -1 = no, 0 = don't know + +bool DigitalBlack::getEffectName(char* name) { + vst_strncpy(name, "DigitalBlack", kVstMaxProductStrLen); return true; +} + +VstPlugCategory DigitalBlack::getPlugCategory() {return kPlugCategEffect;} + +bool DigitalBlack::getProductString(char* text) { + vst_strncpy (text, "airwindows DigitalBlack", kVstMaxProductStrLen); return true; +} + +bool DigitalBlack::getVendorString(char* text) { + vst_strncpy (text, "airwindows", kVstMaxVendorStrLen); return true; +} diff --git a/plugins/LinuxVST/src/DigitalBlack/DigitalBlack.h b/plugins/LinuxVST/src/DigitalBlack/DigitalBlack.h new file mode 100755 index 0000000..783e49f --- /dev/null +++ b/plugins/LinuxVST/src/DigitalBlack/DigitalBlack.h @@ -0,0 +1,69 @@ +/* ======================================== + * DigitalBlack - DigitalBlack.h + * Created 8/12/11 by SPIAdmin + * Copyright (c) 2011 __MyCompanyName__, All rights reserved + * ======================================== */ + +#ifndef __DigitalBlack_H +#define __DigitalBlack_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 = 'dgbk'; //Change this to what the AU identity is! + +class DigitalBlack : + public AudioEffectX +{ +public: + DigitalBlack(audioMasterCallback audioMaster); + ~DigitalBlack(); + 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; + + bool WasNegativeL; + int ZeroCrossL; + double gaterollerL; + bool WasNegativeR; + int ZeroCrossR; + double gaterollerR; + uint32_t fpd; + //default stuff + + float A; + float B; +}; + +#endif diff --git a/plugins/LinuxVST/src/DigitalBlack/DigitalBlackProc.cpp b/plugins/LinuxVST/src/DigitalBlack/DigitalBlackProc.cpp new file mode 100755 index 0000000..758a5d8 --- /dev/null +++ b/plugins/LinuxVST/src/DigitalBlack/DigitalBlackProc.cpp @@ -0,0 +1,210 @@ +/* ======================================== + * DigitalBlack - DigitalBlack.h + * Copyright (c) 2016 airwindows, All rights reserved + * ======================================== */ + +#ifndef __DigitalBlack_H +#include "DigitalBlack.h" +#endif + +void DigitalBlack::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 threshold = (pow(A,4)/3)+0.00018; + double release = 0.0064 / overallscale; + double wet = B; + + 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 (inputSampleL > 0) { + if (WasNegativeL == true) ZeroCrossL = 0; + WasNegativeL = false; + } else { + ZeroCrossL += 1; + WasNegativeL = true; + } + if (inputSampleR > 0) { + if (WasNegativeR == true) ZeroCrossR = 0; + WasNegativeR = false; + } else { + ZeroCrossR += 1; + WasNegativeR = true; + } + + if (ZeroCrossL > 6000) ZeroCrossL = 6000; + if (ZeroCrossR > 6000) ZeroCrossR = 6000; + + if (fabs(inputSampleL) > threshold) { + if (gaterollerL < ZeroCrossL) gaterollerL = ZeroCrossL; + } else { + gaterollerL -= release; + } + if (fabs(inputSampleR) > threshold) { + if (gaterollerR < ZeroCrossR) gaterollerR = ZeroCrossR; + } else { + gaterollerR -= release; + } + + if (gaterollerL < 0.0) gaterollerL = 0.0; + if (gaterollerR < 0.0) gaterollerR = 0.0; + + double gate = 1.0; + if (gaterollerL < 1.0) gate = gaterollerL; + + long double bridgerectifier = 1-cos(fabs(inputSampleL)); + + if (inputSampleL > 0) inputSampleL = (inputSampleL*gate)+(bridgerectifier*(1-gate)); + else inputSampleL = (inputSampleL*gate)-(bridgerectifier*(1-gate)); + + if ((gate == 0.0) && (fabs(inputSampleL*3) < threshold)) inputSampleL = 0.0; + + gate = 1.0; + if (gaterollerR < 1.0) gate = gaterollerR; + + bridgerectifier = 1-cos(fabs(inputSampleR)); + + if (inputSampleR > 0) inputSampleR = (inputSampleR*gate)+(bridgerectifier*(1-gate)); + else inputSampleR = (inputSampleR*gate)-(bridgerectifier*(1-gate)); + + if ((gate == 0.0) && (fabs(inputSampleR*3) < threshold)) inputSampleR = 0.0; + + if (wet !=1.0) { + inputSampleL = (inputSampleL * wet) + (drySampleL * (1.0-wet)); + inputSampleR = (inputSampleR * wet) + (drySampleR * (1.0-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 DigitalBlack::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 threshold = (pow(A,4)/3)+0.00018; + double release = 0.0064 / overallscale; + double wet = B; + + 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 (inputSampleL > 0) { + if (WasNegativeL == true) ZeroCrossL = 0; + WasNegativeL = false; + } else { + ZeroCrossL += 1; + WasNegativeL = true; + } + if (inputSampleR > 0) { + if (WasNegativeR == true) ZeroCrossR = 0; + WasNegativeR = false; + } else { + ZeroCrossR += 1; + WasNegativeR = true; + } + + if (ZeroCrossL > 6000) ZeroCrossL = 6000; + if (ZeroCrossR > 6000) ZeroCrossR = 6000; + + if (fabs(inputSampleL) > threshold) { + if (gaterollerL < ZeroCrossL) gaterollerL = ZeroCrossL; + } else { + gaterollerL -= release; + } + if (fabs(inputSampleR) > threshold) { + if (gaterollerR < ZeroCrossR) gaterollerR = ZeroCrossR; + } else { + gaterollerR -= release; + } + + if (gaterollerL < 0.0) gaterollerL = 0.0; + if (gaterollerR < 0.0) gaterollerR = 0.0; + + double gate = 1.0; + if (gaterollerL < 1.0) gate = gaterollerL; + + long double bridgerectifier = 1-cos(fabs(inputSampleL)); + + if (inputSampleL > 0) inputSampleL = (inputSampleL*gate)+(bridgerectifier*(1-gate)); + else inputSampleL = (inputSampleL*gate)-(bridgerectifier*(1-gate)); + + if ((gate == 0.0) && (fabs(inputSampleL*3) < threshold)) inputSampleL = 0.0; + + gate = 1.0; + if (gaterollerR < 1.0) gate = gaterollerR; + + bridgerectifier = 1-cos(fabs(inputSampleR)); + + if (inputSampleR > 0) inputSampleR = (inputSampleR*gate)+(bridgerectifier*(1-gate)); + else inputSampleR = (inputSampleR*gate)-(bridgerectifier*(1-gate)); + + if ((gate == 0.0) && (fabs(inputSampleR*3) < threshold)) inputSampleR = 0.0; + + if (wet !=1.0) { + inputSampleL = (inputSampleL * wet) + (drySampleL * (1.0-wet)); + inputSampleR = (inputSampleR * wet) + (drySampleR * (1.0-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