diff options
Diffstat (limited to 'plugins/LinuxVST/src/Focus')
| -rwxr-xr-x | plugins/LinuxVST/src/Focus/Focus.cpp | 159 | ||||
| -rwxr-xr-x | plugins/LinuxVST/src/Focus/Focus.h | 72 | ||||
| -rwxr-xr-x | plugins/LinuxVST/src/Focus/FocusProc.cpp | 284 |
3 files changed, 515 insertions, 0 deletions
diff --git a/plugins/LinuxVST/src/Focus/Focus.cpp b/plugins/LinuxVST/src/Focus/Focus.cpp new file mode 100755 index 0000000..f77560c --- /dev/null +++ b/plugins/LinuxVST/src/Focus/Focus.cpp @@ -0,0 +1,159 @@ +/* ======================================== + * Focus - Focus.h + * Copyright (c) 2016 airwindows, All rights reserved + * ======================================== */ + +#ifndef __Focus_H +#include "Focus.h" +#endif + +AudioEffect* createEffectInstance(audioMasterCallback audioMaster) {return new Focus(audioMaster);} + +Focus::Focus(audioMasterCallback audioMaster) : + AudioEffectX(audioMaster, kNumPrograms, kNumParameters) +{ + A = 0.0; + B = 0.5; + C = 0.5; + D = 1.0; + E = 1.0; + for (int x = 0; x < 9; x++) {figureL[x] = 0.0;figureR[x] = 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 +} + +Focus::~Focus() {} +VstInt32 Focus::getVendorVersion () {return 1000;} +void Focus::setProgramName(char *name) {vst_strncpy (_programName, name, kVstMaxProgNameLen);} +void Focus::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 Focus::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 Focus::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 Focus::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 Focus::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 Focus::getParameterName(VstInt32 index, char *text) { + switch (index) { + case kParamA: vst_strncpy (text, "Boost", kVstMaxParamStrLen); break; + case kParamB: vst_strncpy (text, "Focus", kVstMaxParamStrLen); break; + case kParamC: vst_strncpy (text, "Mode", kVstMaxParamStrLen); break; + case kParamD: vst_strncpy (text, "Output", kVstMaxParamStrLen); break; + case kParamE: 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 Focus::getParameterDisplay(VstInt32 index, char *text) { + switch (index) { + case kParamA: float2string (A*12.0, text, kVstMaxParamStrLen); break; + case kParamB: float2string (B, text, kVstMaxParamStrLen); break; + case kParamC: switch((VstInt32)( C * 4.999 )) //0 to almost edge of # of params + { + case 0: vst_strncpy (text, "Density", kVstMaxParamStrLen); break; + case 1: vst_strncpy (text, "Drive", kVstMaxParamStrLen); break; + case 2: vst_strncpy (text, "Spiral", kVstMaxParamStrLen); break; + case 3: vst_strncpy (text, "Mojo", kVstMaxParamStrLen); break; + case 4: vst_strncpy (text, "Dyno", kVstMaxParamStrLen); break; + default: break; // unknown parameter, shouldn't happen! + } break; + case kParamD: float2string (D, text, kVstMaxParamStrLen); break; + case kParamE: float2string (E, text, kVstMaxParamStrLen); break; + default: break; // unknown parameter, shouldn't happen! + } //this displays the values and handles 'popups' where it's discrete choices +} + +void Focus::getParameterLabel(VstInt32 index, char *text) { + switch (index) { + case kParamA: vst_strncpy (text, "dB", 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 Focus::canDo(char *text) +{ return (_canDo.find(text) == _canDo.end()) ? -1: 1; } // 1 = yes, -1 = no, 0 = don't know + +bool Focus::getEffectName(char* name) { + vst_strncpy(name, "Focus", kVstMaxProductStrLen); return true; +} + +VstPlugCategory Focus::getPlugCategory() {return kPlugCategEffect;} + +bool Focus::getProductString(char* text) { + vst_strncpy (text, "airwindows Focus", kVstMaxProductStrLen); return true; +} + +bool Focus::getVendorString(char* text) { + vst_strncpy (text, "airwindows", kVstMaxVendorStrLen); return true; +} diff --git a/plugins/LinuxVST/src/Focus/Focus.h b/plugins/LinuxVST/src/Focus/Focus.h new file mode 100755 index 0000000..cd7e72a --- /dev/null +++ b/plugins/LinuxVST/src/Focus/Focus.h @@ -0,0 +1,72 @@ +/* ======================================== + * Focus - Focus.h + * Created 8/12/11 by SPIAdmin + * Copyright (c) 2011 __MyCompanyName__, All rights reserved + * ======================================== */ + +#ifndef __Focus_H +#define __Focus_H + +#ifndef __audioeffect__ +#include "audioeffectx.h" +#endif + +#include <set> +#include <string> +#include <math.h> + +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 = 'focs'; //Change this to what the AU identity is! + +class Focus : + public AudioEffectX +{ +public: + Focus(audioMasterCallback audioMaster); + ~Focus(); + 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 figureL[9]; + long double figureR[9]; + 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/Focus/FocusProc.cpp b/plugins/LinuxVST/src/Focus/FocusProc.cpp new file mode 100755 index 0000000..3d9d8dc --- /dev/null +++ b/plugins/LinuxVST/src/Focus/FocusProc.cpp @@ -0,0 +1,284 @@ +/* ======================================== + * Focus - Focus.h + * Copyright (c) 2016 airwindows, All rights reserved + * ======================================== */ + +#ifndef __Focus_H +#include "Focus.h" +#endif + +void Focus::processReplacing(float **inputs, float **outputs, VstInt32 sampleFrames) +{ + float* in1 = inputs[0]; + float* in2 = inputs[1]; + float* out1 = outputs[0]; + float* out2 = outputs[1]; + + //[0] is frequency: 0.000001 to 0.499999 is near-zero to near-Nyquist + //[1] is resonance, 0.7071 is Butterworth. Also can't be zero + double boost = pow(10.0,(A*12.0)/20.0); + figureL[0] = figureR[0] = 3515.775/getSampleRate(); //fixed frequency, 3.515775k + figureL[1] = figureR[1] = pow(pow(B,3)*2,2)+0.0001; //resonance + int mode = (int) ( C * 4.999 ); + double output = D; + double wet = E; + + double K = tan(M_PI * figureR[0]); + double norm = 1.0 / (1.0 + K / figureR[1] + K * K); + figureL[2] = figureR[2] = K / figureR[1] * norm; + figureL[4] = figureR[4] = -figureR[2]; + figureL[5] = figureR[5] = 2.0 * (K * K - 1.0) * norm; + figureL[6] = figureR[6] = (1.0 - K / figureR[1] + K * K) * norm; + + 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; + + inputSampleL = sin(inputSampleL); + inputSampleR = sin(inputSampleR); + //encode Console5: good cleanness + + long double tempSample = (inputSampleL * figureL[2]) + figureL[7]; + figureL[7] = -(tempSample * figureL[5]) + figureL[8]; + figureL[8] = (inputSampleL * figureL[4]) - (tempSample * figureL[6]); + inputSampleL = tempSample; + + tempSample = (inputSampleR * figureR[2]) + figureR[7]; + figureR[7] = -(tempSample * figureR[5]) + figureR[8]; + figureR[8] = (inputSampleR * figureR[4]) - (tempSample * figureR[6]); + inputSampleR = tempSample; + + if (inputSampleL > 1.0) inputSampleL = 1.0; + if (inputSampleL < -1.0) inputSampleL = -1.0; + if (inputSampleR > 1.0) inputSampleR = 1.0; + if (inputSampleR < -1.0) inputSampleR = -1.0; + //without this, you can get a NaN condition where it spits out DC offset at full blast! + inputSampleL = asin(inputSampleL); + inputSampleR = asin(inputSampleR); + //decode Console5 + + long double groundSampleL = drySampleL - inputSampleL; //set up UnBox + long double groundSampleR = drySampleR - inputSampleR; //set up UnBox + inputSampleL *= boost; //now, focussed area gets cranked before distort + inputSampleR *= boost; //now, focussed area gets cranked before distort + + switch (mode) + { + case 0: //Density + if (inputSampleL > 1.570796326794897) inputSampleL = 1.570796326794897; + if (inputSampleL < -1.570796326794897) inputSampleL = -1.570796326794897; + if (inputSampleR > 1.570796326794897) inputSampleR = 1.570796326794897; + if (inputSampleR < -1.570796326794897) inputSampleR = -1.570796326794897; + //clip to 1.570796326794897 to reach maximum output + inputSampleL = sin(inputSampleL); + inputSampleR = sin(inputSampleR); + break; + case 1: //Drive + if (inputSampleL > 1.0) inputSampleL = 1.0; + if (inputSampleL < -1.0) inputSampleL = -1.0; + if (inputSampleR > 1.0) inputSampleR = 1.0; + if (inputSampleR < -1.0) inputSampleR = -1.0; + inputSampleL -= (inputSampleL * (fabs(inputSampleL) * 0.6) * (fabs(inputSampleL) * 0.6)); + inputSampleR -= (inputSampleR * (fabs(inputSampleR) * 0.6) * (fabs(inputSampleR) * 0.6)); + inputSampleL *= 1.6; + inputSampleR *= 1.6; + break; + case 2: //Spiral + if (inputSampleL > 1.2533141373155) inputSampleL = 1.2533141373155; + if (inputSampleL < -1.2533141373155) inputSampleL = -1.2533141373155; + if (inputSampleR > 1.2533141373155) inputSampleR = 1.2533141373155; + if (inputSampleR < -1.2533141373155) inputSampleR = -1.2533141373155; + //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)); + break; + case 3: //Mojo + long double mojo; mojo = pow(fabs(inputSampleL),0.25); + if (mojo > 0.0) inputSampleL = (sin(inputSampleL * mojo * M_PI * 0.5) / mojo) * 0.987654321; + mojo = pow(fabs(inputSampleR),0.25); + if (mojo > 0.0) inputSampleR = (sin(inputSampleR * mojo * M_PI * 0.5) / mojo) * 0.987654321; + //mojo is the one that flattens WAAAAY out very softly before wavefolding + break; + case 4: //Dyno + long double dyno; dyno = pow(fabs(inputSampleL),4); + if (dyno > 0.0) inputSampleL = (sin(inputSampleL * dyno) / dyno) * 1.1654321; + dyno = pow(fabs(inputSampleR),4); + if (dyno > 0.0) inputSampleR = (sin(inputSampleR * dyno) / dyno) * 1.1654321; + //dyno is the one that tries to raise peak energy + break; + } + + if (output != 1.0) { + inputSampleL *= output; + inputSampleR *= output; + } + + inputSampleL += groundSampleL; //effectively UnBox + inputSampleR += groundSampleR; //effectively UnBox + + 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 Focus::processDoubleReplacing(double **inputs, double **outputs, VstInt32 sampleFrames) +{ + double* in1 = inputs[0]; + double* in2 = inputs[1]; + double* out1 = outputs[0]; + double* out2 = outputs[1]; + + //[0] is frequency: 0.000001 to 0.499999 is near-zero to near-Nyquist + //[1] is resonance, 0.7071 is Butterworth. Also can't be zero + double boost = pow(10.0,(A*12.0)/20.0); + figureL[0] = figureR[0] = 3515.775/getSampleRate(); //fixed frequency, 3.515775k + figureL[1] = figureR[1] = pow(pow(B,3)*2,2)+0.0001; //resonance + int mode = (int) ( C * 4.999 ); + double output = D; + double wet = E; + + double K = tan(M_PI * figureR[0]); + double norm = 1.0 / (1.0 + K / figureR[1] + K * K); + figureL[2] = figureR[2] = K / figureR[1] * norm; + figureL[4] = figureR[4] = -figureR[2]; + figureL[5] = figureR[5] = 2.0 * (K * K - 1.0) * norm; + figureL[6] = figureR[6] = (1.0 - K / figureR[1] + K * K) * norm; + + 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; + + inputSampleL = sin(inputSampleL); + inputSampleR = sin(inputSampleR); + //encode Console5: good cleanness + + long double tempSample = (inputSampleL * figureL[2]) + figureL[7]; + figureL[7] = -(tempSample * figureL[5]) + figureL[8]; + figureL[8] = (inputSampleL * figureL[4]) - (tempSample * figureL[6]); + inputSampleL = tempSample; + + tempSample = (inputSampleR * figureR[2]) + figureR[7]; + figureR[7] = -(tempSample * figureR[5]) + figureR[8]; + figureR[8] = (inputSampleR * figureR[4]) - (tempSample * figureR[6]); + inputSampleR = tempSample; + + if (inputSampleL > 1.0) inputSampleL = 1.0; + if (inputSampleL < -1.0) inputSampleL = -1.0; + if (inputSampleR > 1.0) inputSampleR = 1.0; + if (inputSampleR < -1.0) inputSampleR = -1.0; + //without this, you can get a NaN condition where it spits out DC offset at full blast! + inputSampleL = asin(inputSampleL); + inputSampleR = asin(inputSampleR); + //decode Console5 + + long double groundSampleL = drySampleL - inputSampleL; //set up UnBox + long double groundSampleR = drySampleR - inputSampleR; //set up UnBox + inputSampleL *= boost; //now, focussed area gets cranked before distort + inputSampleR *= boost; //now, focussed area gets cranked before distort + + switch (mode) + { + case 0: //Density + if (inputSampleL > 1.570796326794897) inputSampleL = 1.570796326794897; + if (inputSampleL < -1.570796326794897) inputSampleL = -1.570796326794897; + if (inputSampleR > 1.570796326794897) inputSampleR = 1.570796326794897; + if (inputSampleR < -1.570796326794897) inputSampleR = -1.570796326794897; + //clip to 1.570796326794897 to reach maximum output + inputSampleL = sin(inputSampleL); + inputSampleR = sin(inputSampleR); + break; + case 1: //Drive + if (inputSampleL > 1.0) inputSampleL = 1.0; + if (inputSampleL < -1.0) inputSampleL = -1.0; + if (inputSampleR > 1.0) inputSampleR = 1.0; + if (inputSampleR < -1.0) inputSampleR = -1.0; + inputSampleL -= (inputSampleL * (fabs(inputSampleL) * 0.6) * (fabs(inputSampleL) * 0.6)); + inputSampleR -= (inputSampleR * (fabs(inputSampleR) * 0.6) * (fabs(inputSampleR) * 0.6)); + inputSampleL *= 1.6; + inputSampleR *= 1.6; + break; + case 2: //Spiral + if (inputSampleL > 1.2533141373155) inputSampleL = 1.2533141373155; + if (inputSampleL < -1.2533141373155) inputSampleL = -1.2533141373155; + if (inputSampleR > 1.2533141373155) inputSampleR = 1.2533141373155; + if (inputSampleR < -1.2533141373155) inputSampleR = -1.2533141373155; + //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)); + break; + case 3: //Mojo + long double mojo; mojo = pow(fabs(inputSampleL),0.25); + if (mojo > 0.0) inputSampleL = (sin(inputSampleL * mojo * M_PI * 0.5) / mojo) * 0.987654321; + mojo = pow(fabs(inputSampleR),0.25); + if (mojo > 0.0) inputSampleR = (sin(inputSampleR * mojo * M_PI * 0.5) / mojo) * 0.987654321; + //mojo is the one that flattens WAAAAY out very softly before wavefolding + break; + case 4: //Dyno + long double dyno; dyno = pow(fabs(inputSampleL),4); + if (dyno > 0.0) inputSampleL = (sin(inputSampleL * dyno) / dyno) * 1.1654321; + dyno = pow(fabs(inputSampleR),4); + if (dyno > 0.0) inputSampleR = (sin(inputSampleR * dyno) / dyno) * 1.1654321; + //dyno is the one that tries to raise peak energy + break; + } + + if (output != 1.0) { + inputSampleL *= output; + inputSampleR *= output; + } + + inputSampleL += groundSampleL; //effectively UnBox + inputSampleR += groundSampleR; //effectively UnBox + + 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++; + } +} |