From 7a548964e81440e6752e87e525d074432ddb94ee Mon Sep 17 00:00:00 2001 From: Chris Johnson Date: Sun, 11 Aug 2019 14:03:49 -0400 Subject: Vibrato --- plugins/LinuxVST/CMakeLists.txt | 1 + plugins/LinuxVST/src/Vibrato/Vibrato.cpp | 167 ++++++++++++++++++++++ plugins/LinuxVST/src/Vibrato/Vibrato.h | 86 +++++++++++ plugins/LinuxVST/src/Vibrato/VibratoProc.cpp | 204 +++++++++++++++++++++++++++ 4 files changed, 458 insertions(+) create mode 100755 plugins/LinuxVST/src/Vibrato/Vibrato.cpp create mode 100755 plugins/LinuxVST/src/Vibrato/Vibrato.h create mode 100755 plugins/LinuxVST/src/Vibrato/VibratoProc.cpp (limited to 'plugins/LinuxVST') diff --git a/plugins/LinuxVST/CMakeLists.txt b/plugins/LinuxVST/CMakeLists.txt index 218e0a3..476a386 100755 --- a/plugins/LinuxVST/CMakeLists.txt +++ b/plugins/LinuxVST/CMakeLists.txt @@ -171,6 +171,7 @@ add_airwindows_plugin(uLawDecode) add_airwindows_plugin(uLawEncode) add_airwindows_plugin(UnBox) add_airwindows_plugin(VariMu) +add_airwindows_plugin(Vibrato) add_airwindows_plugin(VinylDither) add_airwindows_plugin(VoiceOfTheStarship) add_airwindows_plugin(VoiceTrick) diff --git a/plugins/LinuxVST/src/Vibrato/Vibrato.cpp b/plugins/LinuxVST/src/Vibrato/Vibrato.cpp new file mode 100755 index 0000000..6ea3c86 --- /dev/null +++ b/plugins/LinuxVST/src/Vibrato/Vibrato.cpp @@ -0,0 +1,167 @@ +/* ======================================== + * Vibrato - Vibrato.h + * Copyright (c) 2016 airwindows, All rights reserved + * ======================================== */ + +#ifndef __Vibrato_H +#include "Vibrato.h" +#endif + +AudioEffect* createEffectInstance(audioMasterCallback audioMaster) {return new Vibrato(audioMaster);} + +Vibrato::Vibrato(audioMasterCallback audioMaster) : + AudioEffectX(audioMaster, kNumPrograms, kNumParameters) +{ + A = 0.3; + B = 0.0; + C = 0.4; + D = 0.0; + E = 1.0; + + for(int count = 0; count < 16385; count++) {pL[count] = 0.0; pR[count] = 0.0;} + sweep = 3.141592653589793238 / 2.0; + sweepB = 3.141592653589793238 / 2.0; + gcount = 0; + + airPrevL = 0.0; + airEvenL = 0.0; + airOddL = 0.0; + airFactorL = 0.0; + airPrevR = 0.0; + airEvenR = 0.0; + airOddR = 0.0; + airFactorR = 0.0; + + flip = false; + + 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 +} + +Vibrato::~Vibrato() {} +VstInt32 Vibrato::getVendorVersion () {return 1000;} +void Vibrato::setProgramName(char *name) {vst_strncpy (_programName, name, kVstMaxProgNameLen);} +void Vibrato::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 Vibrato::getChunk (void** data, bool isPreset) +{ + float *chunkData = (float *)calloc(kNumParameters, sizeof(float)); + chunkData[0] = A; + chunkData[1] = B; + chunkData[2] = C; + chunkData[3] = D; + chunkData[4] = E; + /* 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 Vibrato::setChunk (void* data, VstInt32 byteSize, bool isPreset) +{ + float *chunkData = (float *)data; + A = pinParameter(chunkData[0]); + B = pinParameter(chunkData[1]); + C = pinParameter(chunkData[2]); + D = pinParameter(chunkData[3]); + E = pinParameter(chunkData[4]); + /* 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 Vibrato::setParameter(VstInt32 index, float value) { + switch (index) { + case kParamA: A = value; break; + case kParamB: B = value; break; + case kParamC: C = value; break; + case kParamD: D = value; break; + case kParamE: E = value; break; + default: throw; // unknown parameter, shouldn't happen! + } +} + +float Vibrato::getParameter(VstInt32 index) { + switch (index) { + case kParamA: return A; break; + case kParamB: return B; break; + case kParamC: return C; break; + case kParamD: return D; break; + case kParamE: return E; 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 Vibrato::getParameterName(VstInt32 index, char *text) { + switch (index) { + case kParamA: vst_strncpy (text, "Speed", kVstMaxParamStrLen); break; + case kParamB: vst_strncpy (text, "Depth", kVstMaxParamStrLen); break; + case kParamC: vst_strncpy (text, "FMSpeed", kVstMaxParamStrLen); break; + case kParamD: vst_strncpy (text, "FMDepth", kVstMaxParamStrLen); break; + case kParamE: 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 Vibrato::getParameterDisplay(VstInt32 index, char *text) { + switch (index) { + case kParamA: float2string (A, text, kVstMaxParamStrLen); break; + case kParamB: float2string (B, text, kVstMaxParamStrLen); break; + case kParamC: float2string (C, text, kVstMaxParamStrLen); break; + case kParamD: float2string (D, text, kVstMaxParamStrLen); break; + case kParamE: float2string ((E*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 Vibrato::getParameterLabel(VstInt32 index, char *text) { + switch (index) { + case kParamA: vst_strncpy (text, "", kVstMaxParamStrLen); break; + case kParamB: vst_strncpy (text, "", kVstMaxParamStrLen); break; + case kParamC: vst_strncpy (text, "", kVstMaxParamStrLen); break; + case kParamD: vst_strncpy (text, "", kVstMaxParamStrLen); break; + case kParamE: vst_strncpy (text, "", kVstMaxParamStrLen); break; + default: break; // unknown parameter, shouldn't happen! + } +} + +VstInt32 Vibrato::canDo(char *text) +{ return (_canDo.find(text) == _canDo.end()) ? -1: 1; } // 1 = yes, -1 = no, 0 = don't know + +bool Vibrato::getEffectName(char* name) { + vst_strncpy(name, "Vibrato", kVstMaxProductStrLen); return true; +} + +VstPlugCategory Vibrato::getPlugCategory() {return kPlugCategEffect;} + +bool Vibrato::getProductString(char* text) { + vst_strncpy (text, "airwindows Vibrato", kVstMaxProductStrLen); return true; +} + +bool Vibrato::getVendorString(char* text) { + vst_strncpy (text, "airwindows", kVstMaxVendorStrLen); return true; +} diff --git a/plugins/LinuxVST/src/Vibrato/Vibrato.h b/plugins/LinuxVST/src/Vibrato/Vibrato.h new file mode 100755 index 0000000..57ca059 --- /dev/null +++ b/plugins/LinuxVST/src/Vibrato/Vibrato.h @@ -0,0 +1,86 @@ +/* ======================================== + * Vibrato - Vibrato.h + * Created 8/12/11 by SPIAdmin + * Copyright (c) 2011 __MyCompanyName__, All rights reserved + * ======================================== */ + +#ifndef __Vibrato_H +#define __Vibrato_H + +#ifndef __audioeffect__ +#include "audioeffectx.h" +#endif + +#include +#include +#include + +enum { + kParamA = 0, + kParamB = 1, + kParamC = 2, + kParamD = 3, + kParamE = 4, + kNumParameters = 5 +}; // + +const int kNumPrograms = 0; +const int kNumInputs = 2; +const int kNumOutputs = 2; +const unsigned long kUniqueId = 'vibr'; //Change this to what the AU identity is! + +class Vibrato : + public AudioEffectX +{ +public: + Vibrato(audioMasterCallback audioMaster); + ~Vibrato(); + 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 pL[16386]; //this is processed, not raw incoming samples + double pR[16386]; //this is processed, not raw incoming samples + double sweep; + double sweepB; + int gcount; + + double airPrevL; + double airEvenL; + double airOddL; + double airFactorL; + double airPrevR; + double airEvenR; + double airOddR; + double airFactorR; + + bool flip; + uint32_t fpd; + //default stuff + + 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/LinuxVST/src/Vibrato/VibratoProc.cpp b/plugins/LinuxVST/src/Vibrato/VibratoProc.cpp new file mode 100755 index 0000000..551fb2d --- /dev/null +++ b/plugins/LinuxVST/src/Vibrato/VibratoProc.cpp @@ -0,0 +1,204 @@ +/* ======================================== + * Vibrato - Vibrato.h + * Copyright (c) 2016 airwindows, All rights reserved + * ======================================== */ + +#ifndef __Vibrato_H +#include "Vibrato.h" +#endif + +void Vibrato::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames) +{ + float* in1 = inputs[0]; + float* in2 = inputs[1]; + float* out1 = outputs[0]; + float* out2 = outputs[1]; + double speed = pow(0.1+A,6); + double depth = (pow(B,3) / sqrt(speed))*4.0; + double speedB = pow(0.1+C,6); + double depthB = pow(D,3) / sqrt(speedB); + double tupi = 3.141592653589793238 * 2.0; + double wet = (E*2.0)-1.0; //note: inv/dry/wet + + 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; + double drySampleL = inputSampleL; + double drySampleR = inputSampleR; + + airFactorL = airPrevL - inputSampleL; + airFactorR = airPrevR - inputSampleR; + + if (flip) { + airEvenL += airFactorL; airOddL -= airFactorL; airFactorL = airEvenL; + airEvenR += airFactorR; airOddR -= airFactorR; airFactorR = airEvenR; + } else { + airOddL += airFactorL; airEvenL -= airFactorL; airFactorL = airOddL; + airOddR += airFactorR; airEvenR -= airFactorR; airFactorR = airOddR; + } + + airOddL = (airOddL - ((airOddL - airEvenL)/256.0)) / 1.0001; + airOddR = (airOddR - ((airOddR - airEvenR)/256.0)) / 1.0001; + airEvenL = (airEvenL - ((airEvenL - airOddL)/256.0)) / 1.0001; + airEvenR = (airEvenR - ((airEvenR - airOddR)/256.0)) / 1.0001; + airPrevL = inputSampleL; + airPrevR = inputSampleR; + inputSampleL += airFactorL; + inputSampleR += airFactorR; + + flip = !flip; + //air, compensates for loss of highs in the interpolation + + if (gcount < 1 || gcount > 8192) {gcount = 8192;} + int count = gcount; + pL[count+8192] = pL[count] = inputSampleL; + pR[count+8192] = pR[count] = inputSampleR; + + double offset = depth + (depth * sin(sweep)); + count += (int)floor(offset); + + inputSampleL = pL[count] * (1.0-(offset-floor(offset))); //less as value moves away from .0 + inputSampleL += pL[count+1]; //we can assume always using this in one way or another? + inputSampleL += pL[count+2] * (offset-floor(offset)); //greater as value moves away from .0 + inputSampleL -= ((pL[count]-pL[count+1])-(pL[count+1]-pL[count+2]))/50.0; //interpolation hacks 'r us + inputSampleL *= 0.5; // gain trim + + inputSampleR = pR[count] * (1.0-(offset-floor(offset))); //less as value moves away from .0 + inputSampleR += pR[count+1]; //we can assume always using this in one way or another? + inputSampleR += pR[count+2] * (offset-floor(offset)); //greater as value moves away from .0 + inputSampleR -= ((pR[count]-pR[count+1])-(pR[count+1]-pR[count+2]))/50.0; //interpolation hacks 'r us + inputSampleR *= 0.5; // gain trim + + sweep += (speed + (speedB * sin(sweepB) * depthB)); + sweepB += speedB; + if (sweep > tupi){sweep -= tupi;} + if (sweep < 0.0){sweep += tupi;} //through zero FM + if (sweepB > tupi){sweepB -= tupi;} + gcount--; + //still scrolling through the samples, remember + + if (wet !=1.0) { + inputSampleL = (inputSampleL * wet) + (drySampleL * (1.0-fabs(wet))); + inputSampleR = (inputSampleR * wet) + (drySampleR * (1.0-fabs(wet))); + } + //Inv/Dry/Wet control + + //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 Vibrato::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames) +{ + double* in1 = inputs[0]; + double* in2 = inputs[1]; + double* out1 = outputs[0]; + double* out2 = outputs[1]; + double speed = pow(0.1+A,6); + double depth = (pow(B,3) / sqrt(speed))*4.0; + double speedB = pow(0.1+C,6); + double depthB = pow(D,3) / sqrt(speedB); + double tupi = 3.141592653589793238 * 2.0; + double wet = (E*2.0)-1.0; //note: inv/dry/wet + + 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; + double drySampleL = inputSampleL; + double drySampleR = inputSampleR; + + airFactorL = airPrevL - inputSampleL; + airFactorR = airPrevR - inputSampleR; + + if (flip) { + airEvenL += airFactorL; airOddL -= airFactorL; airFactorL = airEvenL; + airEvenR += airFactorR; airOddR -= airFactorR; airFactorR = airEvenR; + } else { + airOddL += airFactorL; airEvenL -= airFactorL; airFactorL = airOddL; + airOddR += airFactorR; airEvenR -= airFactorR; airFactorR = airOddR; + } + + airOddL = (airOddL - ((airOddL - airEvenL)/256.0)) / 1.0001; + airOddR = (airOddR - ((airOddR - airEvenR)/256.0)) / 1.0001; + airEvenL = (airEvenL - ((airEvenL - airOddL)/256.0)) / 1.0001; + airEvenR = (airEvenR - ((airEvenR - airOddR)/256.0)) / 1.0001; + airPrevL = inputSampleL; + airPrevR = inputSampleR; + inputSampleL += airFactorL; + inputSampleR += airFactorR; + + flip = !flip; + //air, compensates for loss of highs in the interpolation + + if (gcount < 1 || gcount > 8192) {gcount = 8192;} + int count = gcount; + pL[count+8192] = pL[count] = inputSampleL; + pR[count+8192] = pR[count] = inputSampleR; + + double offset = depth + (depth * sin(sweep)); + count += (int)floor(offset); + + inputSampleL = pL[count] * (1.0-(offset-floor(offset))); //less as value moves away from .0 + inputSampleL += pL[count+1]; //we can assume always using this in one way or another? + inputSampleL += pL[count+2] * (offset-floor(offset)); //greater as value moves away from .0 + inputSampleL -= ((pL[count]-pL[count+1])-(pL[count+1]-pL[count+2]))/50.0; //interpolation hacks 'r us + inputSampleL *= 0.5; // gain trim + + inputSampleR = pR[count] * (1.0-(offset-floor(offset))); //less as value moves away from .0 + inputSampleR += pR[count+1]; //we can assume always using this in one way or another? + inputSampleR += pR[count+2] * (offset-floor(offset)); //greater as value moves away from .0 + inputSampleR -= ((pR[count]-pR[count+1])-(pR[count+1]-pR[count+2]))/50.0; //interpolation hacks 'r us + inputSampleR *= 0.5; // gain trim + + sweep += (speed + (speedB * sin(sweepB) * depthB)); + sweepB += speedB; + if (sweep > tupi){sweep -= tupi;} + if (sweep < 0.0){sweep += tupi;} //through zero FM + if (sweepB > tupi){sweepB -= tupi;} + gcount--; + //still scrolling through the samples, remember + + if (wet !=1.0) { + inputSampleL = (inputSampleL * wet) + (drySampleL * (1.0-fabs(wet))); + inputSampleR = (inputSampleR * wet) + (drySampleR * (1.0-fabs(wet))); + } + //Inv/Dry/Wet control + + //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