diff options
author | airwindows <jinx6568@sover.net> | 2018-05-20 20:30:44 -0400 |
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committer | airwindows <jinx6568@sover.net> | 2018-05-20 20:30:44 -0400 |
commit | f09009a88a25b6ad8fdc0069b1a440cd125954d6 (patch) | |
tree | 1d0a23812ac678f14e9bac4fa85390fe0e1c118d /plugins/MacVST/Spiral/source | |
parent | 10b3fb6eed5745516d6442b3553de9408437bd3e (diff) | |
download | airwindows-lv2-port-f09009a88a25b6ad8fdc0069b1a440cd125954d6.tar.gz airwindows-lv2-port-f09009a88a25b6ad8fdc0069b1a440cd125954d6.tar.bz2 airwindows-lv2-port-f09009a88a25b6ad8fdc0069b1a440cd125954d6.zip |
Spiral
Diffstat (limited to 'plugins/MacVST/Spiral/source')
-rwxr-xr-x | plugins/MacVST/Spiral/source/Spiral.cpp | 111 | ||||
-rwxr-xr-x | plugins/MacVST/Spiral/source/Spiral.h | 59 | ||||
-rwxr-xr-x | plugins/MacVST/Spiral/source/SpiralProc.cpp | 172 |
3 files changed, 342 insertions, 0 deletions
diff --git a/plugins/MacVST/Spiral/source/Spiral.cpp b/plugins/MacVST/Spiral/source/Spiral.cpp new file mode 100755 index 0000000..cf26cf2 --- /dev/null +++ b/plugins/MacVST/Spiral/source/Spiral.cpp @@ -0,0 +1,111 @@ +/* ======================================== + * Spiral - Spiral.h + * Copyright (c) 2016 airwindows, All rights reserved + * ======================================== */ + +#ifndef __Spiral_H +#include "Spiral.h" +#endif + +AudioEffect* createEffectInstance(audioMasterCallback audioMaster) {return new Spiral(audioMaster);} + +Spiral::Spiral(audioMasterCallback audioMaster) : + AudioEffectX(audioMaster, kNumPrograms, kNumParameters) +{ + fpNShapeL = 0.0; + fpNShapeR = 0.0; + //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 +} + +Spiral::~Spiral() {} +VstInt32 Spiral::getVendorVersion () {return 1000;} +void Spiral::setProgramName(char *name) {vst_strncpy (_programName, name, kVstMaxProgNameLen);} +void Spiral::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 Spiral::getChunk (void** data, bool isPreset) +{ + float *chunkData = (float *)calloc(kNumParameters, sizeof(float)); + /* 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 Spiral::setChunk (void* data, VstInt32 byteSize, bool isPreset) +{ + float *chunkData = (float *)data; + /* 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 Spiral::setParameter(VstInt32 index, float value) { + switch (index) { + default: throw; // unknown parameter, shouldn't happen! + } +} + +float Spiral::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 Spiral::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 Spiral::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 Spiral::getParameterLabel(VstInt32 index, char *text) { + switch (index) { + default: break; // unknown parameter, shouldn't happen! + } +} + +VstInt32 Spiral::canDo(char *text) +{ return (_canDo.find(text) == _canDo.end()) ? -1: 1; } // 1 = yes, -1 = no, 0 = don't know + +bool Spiral::getEffectName(char* name) { + vst_strncpy(name, "Spiral", kVstMaxProductStrLen); return true; +} + +VstPlugCategory Spiral::getPlugCategory() {return kPlugCategEffect;} + +bool Spiral::getProductString(char* text) { + vst_strncpy (text, "airwindows Spiral", kVstMaxProductStrLen); return true; +} + +bool Spiral::getVendorString(char* text) { + vst_strncpy (text, "airwindows", kVstMaxVendorStrLen); return true; +} diff --git a/plugins/MacVST/Spiral/source/Spiral.h b/plugins/MacVST/Spiral/source/Spiral.h new file mode 100755 index 0000000..453ecd1 --- /dev/null +++ b/plugins/MacVST/Spiral/source/Spiral.h @@ -0,0 +1,59 @@ +/* ======================================== + * Spiral - Spiral.h + * Created 8/12/11 by SPIAdmin + * Copyright (c) 2011 __MyCompanyName__, All rights reserved + * ======================================== */ + +#ifndef __Spiral_H +#define __Spiral_H + +#ifndef __audioeffect__ +#include "audioeffectx.h" +#endif + +#include <set> +#include <string> +#include <math.h> + +enum { + kNumParameters = 0 +}; // + +const int kNumPrograms = 0; +const int kNumInputs = 2; +const int kNumOutputs = 2; +const unsigned long kUniqueId = 'spir'; //Change this to what the AU identity is! + +class Spiral : + public AudioEffectX +{ +public: + Spiral(audioMasterCallback audioMaster); + ~Spiral(); + 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 fpNShapeL; + long double fpNShapeR; + //default stuff +}; + +#endif diff --git a/plugins/MacVST/Spiral/source/SpiralProc.cpp b/plugins/MacVST/Spiral/source/SpiralProc.cpp new file mode 100755 index 0000000..d43a93a --- /dev/null +++ b/plugins/MacVST/Spiral/source/SpiralProc.cpp @@ -0,0 +1,172 @@ +/* ======================================== + * Spiral - Spiral.h + * Copyright (c) 2016 airwindows, All rights reserved + * ======================================== */ + +#ifndef __Spiral_H +#include "Spiral.h" +#endif + +void Spiral::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames) +{ + float* in1 = inputs[0]; + float* in2 = inputs[1]; + float* out1 = outputs[0]; + float* out2 = outputs[1]; + + while (--sampleFrames >= 0) + { + long double inputSampleL = *in1; + long double inputSampleR = *in2; + + static int noisesourceL = 0; + static int noisesourceR = 850010; + int residue; + double applyresidue; + + noisesourceL = noisesourceL % 1700021; noisesourceL++; + residue = noisesourceL * noisesourceL; + residue = residue % 170003; residue *= residue; + residue = residue % 17011; residue *= residue; + residue = residue % 1709; residue *= residue; + residue = residue % 173; residue *= residue; + residue = residue % 17; + applyresidue = residue; + applyresidue *= 0.00000001; + applyresidue *= 0.00000001; + inputSampleL += applyresidue; + if (inputSampleL<1.2e-38 && -inputSampleL<1.2e-38) { + inputSampleL -= applyresidue; + } + + noisesourceR = noisesourceR % 1700021; noisesourceR++; + residue = noisesourceR * noisesourceR; + residue = residue % 170003; residue *= residue; + residue = residue % 17011; residue *= residue; + residue = residue % 1709; residue *= residue; + residue = residue % 173; residue *= residue; + residue = residue % 17; + applyresidue = residue; + applyresidue *= 0.00000001; + applyresidue *= 0.00000001; + inputSampleR += applyresidue; + if (inputSampleR<1.2e-38 && -inputSampleR<1.2e-38) { + inputSampleR -= applyresidue; + } + //for live air, we always apply the dither noise. Then, if our result is + //effectively digital black, we'll subtract it again. We want a 'air' hiss + + //clip to 1.2533141373155 to reach maximum output + inputSampleL = sin(inputSampleL * fabs(inputSampleL)) / ((inputSampleL == 0.0) ?1:fabs(inputSampleL)); + inputSampleR = sin(inputSampleR * fabs(inputSampleR)) / ((inputSampleR == 0.0) ?1:fabs(inputSampleR)); + + //noise shaping to 32-bit floating point + float fpTemp = inputSampleL; + fpNShapeL += (inputSampleL-fpTemp); + inputSampleL += fpNShapeL; + //if this confuses you look at the wordlength for fpTemp :) + fpTemp = inputSampleR; + fpNShapeR += (inputSampleR-fpTemp); + inputSampleR += fpNShapeR; + //for deeper space and warmth, we try a non-oscillating noise shaping + //that is kind of ruthless: it will forever retain the rounding errors + //except we'll dial it back a hair at the end of every buffer processed + //end noise shaping on 32 bit output + + *out1 = inputSampleL; + *out2 = inputSampleR; + + *in1++; + *in2++; + *out1++; + *out2++; + } + fpNShapeL *= 0.999999; + fpNShapeR *= 0.999999; + //we will just delicately dial back the FP noise shaping, not even every sample + //this is a good place to put subtle 'no runaway' calculations, though bear in mind + //that it will be called more often when you use shorter sample buffers in the DAW. + //So, very low latency operation will call these calculations more often. +} + +void Spiral::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames) +{ + double* in1 = inputs[0]; + double* in2 = inputs[1]; + double* out1 = outputs[0]; + double* out2 = outputs[1]; + + while (--sampleFrames >= 0) + { + long double inputSampleL = *in1; + long double inputSampleR = *in2; + + static int noisesourceL = 0; + static int noisesourceR = 850010; + int residue; + double applyresidue; + + noisesourceL = noisesourceL % 1700021; noisesourceL++; + residue = noisesourceL * noisesourceL; + residue = residue % 170003; residue *= residue; + residue = residue % 17011; residue *= residue; + residue = residue % 1709; residue *= residue; + residue = residue % 173; residue *= residue; + residue = residue % 17; + applyresidue = residue; + applyresidue *= 0.00000001; + applyresidue *= 0.00000001; + inputSampleL += applyresidue; + if (inputSampleL<1.2e-38 && -inputSampleL<1.2e-38) { + inputSampleL -= applyresidue; + } + + noisesourceR = noisesourceR % 1700021; noisesourceR++; + residue = noisesourceR * noisesourceR; + residue = residue % 170003; residue *= residue; + residue = residue % 17011; residue *= residue; + residue = residue % 1709; residue *= residue; + residue = residue % 173; residue *= residue; + residue = residue % 17; + applyresidue = residue; + applyresidue *= 0.00000001; + applyresidue *= 0.00000001; + inputSampleR += applyresidue; + if (inputSampleR<1.2e-38 && -inputSampleR<1.2e-38) { + inputSampleR -= applyresidue; + } + //for live air, we always apply the dither noise. Then, if our result is + //effectively digital black, we'll subtract it again. We want a 'air' hiss + + //clip to 1.2533141373155 to reach maximum output + inputSampleL = sin(inputSampleL * fabs(inputSampleL)) / ((inputSampleL == 0.0) ?1:fabs(inputSampleL)); + inputSampleR = sin(inputSampleR * fabs(inputSampleR)) / ((inputSampleR == 0.0) ?1:fabs(inputSampleR)); + + //noise shaping to 64-bit floating point + double fpTemp = inputSampleL; + fpNShapeL += (inputSampleL-fpTemp); + inputSampleL += fpNShapeL; + //if this confuses you look at the wordlength for fpTemp :) + fpTemp = inputSampleR; + fpNShapeR += (inputSampleR-fpTemp); + inputSampleR += fpNShapeR; + //for deeper space and warmth, we try a non-oscillating noise shaping + //that is kind of ruthless: it will forever retain the rounding errors + //except we'll dial it back a hair at the end of every buffer processed + //end noise shaping on 64 bit output + + *out1 = inputSampleL; + *out2 = inputSampleR; + + *in1++; + *in2++; + *out1++; + *out2++; + } + fpNShapeL *= 0.999999; + fpNShapeR *= 0.999999; + //we will just delicately dial back the FP noise shaping, not even every sample + //this is a good place to put subtle 'no runaway' calculations, though bear in mind + //that it will be called more often when you use shorter sample buffers in the DAW. + //So, very low latency operation will call these calculations more often. +} |