diff options
author | airwindows <jinx6568@sover.net> | 2018-02-04 16:33:14 -0500 |
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committer | airwindows <jinx6568@sover.net> | 2018-02-04 16:33:14 -0500 |
commit | 5ea18673989f1f1b50f40b546388ed3425f7959e (patch) | |
tree | 21d74ac09ee54afc188267dd56621d3593e183fd /plugins/MacVST/PurestDrive/source | |
parent | e373ddba270b1dac4c4a8b829ca7c5f2d9b546a0 (diff) | |
download | airwindows-lv2-port-5ea18673989f1f1b50f40b546388ed3425f7959e.tar.gz airwindows-lv2-port-5ea18673989f1f1b50f40b546388ed3425f7959e.tar.bz2 airwindows-lv2-port-5ea18673989f1f1b50f40b546388ed3425f7959e.zip |
Added PurestDrive
Diffstat (limited to 'plugins/MacVST/PurestDrive/source')
-rwxr-xr-x | plugins/MacVST/PurestDrive/source/PurestDrive.cpp | 126 | ||||
-rwxr-xr-x | plugins/MacVST/PurestDrive/source/PurestDrive.h | 73 | ||||
-rwxr-xr-x | plugins/MacVST/PurestDrive/source/PurestDriveProc.cpp | 235 |
3 files changed, 434 insertions, 0 deletions
diff --git a/plugins/MacVST/PurestDrive/source/PurestDrive.cpp b/plugins/MacVST/PurestDrive/source/PurestDrive.cpp new file mode 100755 index 0000000..e2451fe --- /dev/null +++ b/plugins/MacVST/PurestDrive/source/PurestDrive.cpp @@ -0,0 +1,126 @@ +/* ======================================== + * PurestDrive - PurestDrive.h + * Copyright (c) 2016 airwindows, All rights reserved + * ======================================== */ + +#ifndef __PurestDrive_H +#include "PurestDrive.h" +#endif + +AudioEffect* createEffectInstance(audioMasterCallback audioMaster) {return new PurestDrive(audioMaster);} + +PurestDrive::PurestDrive(audioMasterCallback audioMaster) : + AudioEffectX(audioMaster, kNumPrograms, kNumParameters) +{ + A = 0.0; + + previousSampleL = 0.0; + previousSampleR = 0.0; + + 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 +} + +PurestDrive::~PurestDrive() {} +VstInt32 PurestDrive::getVendorVersion () {return 1000;} +void PurestDrive::setProgramName(char *name) {vst_strncpy (_programName, name, kVstMaxProgNameLen);} +void PurestDrive::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 PurestDrive::getChunk (void** data, bool isPreset) +{ + float *chunkData = (float *)calloc(kNumParameters, sizeof(float)); + chunkData[0] = A; + /* 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 PurestDrive::setChunk (void* data, VstInt32 byteSize, bool isPreset) +{ + float *chunkData = (float *)data; + A = pinParameter(chunkData[0]); + /* 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 PurestDrive::setParameter(VstInt32 index, float value) { + switch (index) { + case kParamA: A = value; break; + default: throw; // unknown parameter, shouldn't happen! + } +} + +float PurestDrive::getParameter(VstInt32 index) { + switch (index) { + case kParamA: return A; 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 PurestDrive::getParameterName(VstInt32 index, char *text) { + switch (index) { + case kParamA: vst_strncpy (text, "Drive", kVstMaxParamStrLen); break; + default: break; // unknown parameter, shouldn't happen! + } //this is our labels for displaying in the VST host +} + +void PurestDrive::getParameterDisplay(VstInt32 index, char *text) { + switch (index) { + case kParamA: float2string (A, text, kVstMaxParamStrLen); break; + default: break; // unknown parameter, shouldn't happen! + } //this displays the values and handles 'popups' where it's discrete choices +} + +void PurestDrive::getParameterLabel(VstInt32 index, char *text) { + switch (index) { + case kParamA: vst_strncpy (text, "", kVstMaxParamStrLen); break; + default: break; // unknown parameter, shouldn't happen! + } +} + +VstInt32 PurestDrive::canDo(char *text) +{ return (_canDo.find(text) == _canDo.end()) ? -1: 1; } // 1 = yes, -1 = no, 0 = don't know + +bool PurestDrive::getEffectName(char* name) { + vst_strncpy(name, "PurestDrive", kVstMaxProductStrLen); return true; +} + +VstPlugCategory PurestDrive::getPlugCategory() {return kPlugCategEffect;} + +bool PurestDrive::getProductString(char* text) { + vst_strncpy (text, "airwindows PurestDrive", kVstMaxProductStrLen); return true; +} + +bool PurestDrive::getVendorString(char* text) { + vst_strncpy (text, "airwindows", kVstMaxVendorStrLen); return true; +} diff --git a/plugins/MacVST/PurestDrive/source/PurestDrive.h b/plugins/MacVST/PurestDrive/source/PurestDrive.h new file mode 100755 index 0000000..1f5b349 --- /dev/null +++ b/plugins/MacVST/PurestDrive/source/PurestDrive.h @@ -0,0 +1,73 @@ +/* ======================================== + * PurestDrive - PurestDrive.h + * Created 8/12/11 by SPIAdmin + * Copyright (c) 2011 __MyCompanyName__, All rights reserved + * ======================================== */ + +#ifndef __PurestDrive_H +#define __PurestDrive_H + +#ifndef __audioeffect__ +#include "audioeffectx.h" +#endif + +#include <set> +#include <string> +#include <math.h> + +enum { + kParamA = 0, + kNumParameters = 1 +}; // + +const int kNumPrograms = 0; +const int kNumInputs = 2; +const int kNumOutputs = 2; +const unsigned long kUniqueId = 'purd'; //Change this to what the AU identity is! + +class PurestDrive : + public AudioEffectX +{ +public: + PurestDrive(audioMasterCallback audioMaster); + ~PurestDrive(); + 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; + + long double fpNShapeLA; + long double fpNShapeLB; + long double fpNShapeRA; + long double fpNShapeRB; + bool fpFlip; + //default stuff + + double previousSampleL; + double previousSampleR; + + float A; + float B; + float C; + float D; + float E; //parameters. Always 0-1, and we scale/alter them elsewhere. + +}; + +#endif diff --git a/plugins/MacVST/PurestDrive/source/PurestDriveProc.cpp b/plugins/MacVST/PurestDrive/source/PurestDriveProc.cpp new file mode 100755 index 0000000..e453883 --- /dev/null +++ b/plugins/MacVST/PurestDrive/source/PurestDriveProc.cpp @@ -0,0 +1,235 @@ +/* ======================================== + * PurestDrive - PurestDrive.h + * Copyright (c) 2016 airwindows, All rights reserved + * ======================================== */ + +#ifndef __PurestDrive_H +#include "PurestDrive.h" +#endif + +void PurestDrive::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames) +{ + float* in1 = inputs[0]; + float* in2 = inputs[1]; + float* out1 = outputs[0]; + float* out2 = outputs[1]; + + float fpTemp; + long double fpOld = 0.618033988749894848204586; //golden ratio! + long double fpNew = 1.0 - fpOld; + + double intensity = A; + double drySampleL; + double drySampleR; + long double inputSampleL; + long double inputSampleR; + double apply; + + 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; + + inputSampleL = sin(inputSampleL); + //basic distortion factor + apply = (fabs(previousSampleL + inputSampleL) / 2.0) * intensity; + //saturate less if previous sample was undistorted and low level, or if it was + //inverse polarity. Lets through highs and brightness more. + inputSampleL = (drySampleL * (1.0 - apply)) + (inputSampleL * apply); + //dry-wet control for intensity also has FM modulation to clean up highs + previousSampleL = sin(drySampleL); + //apply the sine while storing previous sample + + inputSampleR = sin(inputSampleR); + //basic distortion factor + apply = (fabs(previousSampleR + inputSampleR) / 2.0) * intensity; + //saturate less if previous sample was undistorted and low level, or if it was + //inverse polarity. Lets through highs and brightness more. + inputSampleR = (drySampleR * (1.0 - apply)) + (inputSampleR * apply); + //dry-wet control for intensity also has FM modulation to clean up highs + previousSampleR = sin(drySampleR); + //apply the sine while storing previous sample + + //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 PurestDrive::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames) +{ + double* in1 = inputs[0]; + double* in2 = inputs[1]; + double* out1 = outputs[0]; + double* out2 = outputs[1]; + + double fpTemp; + long double fpOld = 0.618033988749894848204586; //golden ratio! + long double fpNew = 1.0 - fpOld; + + double intensity = A; + double drySampleL; + double drySampleR; + long double inputSampleL; + long double inputSampleR; + double apply; + + + 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; + + inputSampleL = sin(inputSampleL); + //basic distortion factor + apply = (fabs(previousSampleL + inputSampleL) / 2.0) * intensity; + //saturate less if previous sample was undistorted and low level, or if it was + //inverse polarity. Lets through highs and brightness more. + inputSampleL = (drySampleL * (1.0 - apply)) + (inputSampleL * apply); + //dry-wet control for intensity also has FM modulation to clean up highs + previousSampleL = sin(drySampleL); + //apply the sine while storing previous sample + + inputSampleR = sin(inputSampleR); + //basic distortion factor + apply = (fabs(previousSampleR + inputSampleR) / 2.0) * intensity; + //saturate less if previous sample was undistorted and low level, or if it was + //inverse polarity. Lets through highs and brightness more. + inputSampleR = (drySampleR * (1.0 - apply)) + (inputSampleR * apply); + //dry-wet control for intensity also has FM modulation to clean up highs + previousSampleR = sin(drySampleR); + //apply the sine while storing previous sample + + //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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