diff options
Diffstat (limited to 'src/mdaSubSynth.cpp')
-rw-r--r-- | src/mdaSubSynth.cpp | 760 |
1 files changed, 380 insertions, 380 deletions
diff --git a/src/mdaSubSynth.cpp b/src/mdaSubSynth.cpp index e6039da..8324c72 100644 --- a/src/mdaSubSynth.cpp +++ b/src/mdaSubSynth.cpp @@ -1,380 +1,380 @@ -/*
- Copyright 2008-2011 David Robillard <http://drobilla.net>
- Copyright 1999-2000 Paul Kellett (Maxim Digital Audio)
-
- This is free software: you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License,
- or (at your option) any later version.
-
- This software is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- See the GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this software. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "mdaSubSynth.h"
-
-#include <math.h>
-#include <stdio.h>
-
-AudioEffect *createEffectInstance(audioMasterCallback audioMaster)
-{
- return new mdaSubSynth(audioMaster);
-}
-
-mdaSubSynth::mdaSubSynth(audioMasterCallback audioMaster)
- : AudioEffectX(audioMaster, 1, 6) // programs, parameters
-{
- //inits here!
- fParam1 = (float)0.0; //type
- fParam2 = (float)0.3; //level
- fParam3 = (float)0.6; //tune
- fParam4 = (float)1.0; //dry mix
- fParam5 = (float)0.6; //thresh
- fParam6 = (float)0.65; //release
-
- setNumInputs(2);
- setNumOutputs(2);
- setUniqueID("mdaSubSynth"); // identify here
- DECLARE_LVZ_DEPRECATED(canMono) ();
- canProcessReplacing();
- strcpy(programName, "Sub Bass Synthesizer");
-
- resume();
-}
-
-mdaSubSynth::~mdaSubSynth()
-{
-
-}
-
-bool mdaSubSynth::getProductString(char* text) { strcpy(text, "MDA SubSynth"); return true; }
-bool mdaSubSynth::getVendorString(char* text) { strcpy(text, "mda"); return true; }
-bool mdaSubSynth::getEffectName(char* name) { strcpy(name, "SubSynth"); return true; }
-
-void mdaSubSynth::setProgramName(char *name)
-{
- strcpy(programName, name);
-}
-
-void mdaSubSynth::getProgramName(char *name)
-{
- strcpy(name, programName);
-}
-
-bool mdaSubSynth::getProgramNameIndexed (LvzInt32 category, LvzInt32 index, char* name)
-{
- if (index == 0)
- {
- strcpy(name, programName);
- return true;
- }
- return false;
-}
-
-void mdaSubSynth::setProgram(LvzInt32 program)
-{
-}
-
-void mdaSubSynth::setParameter(LvzInt32 index, float value)
-{
- switch(index)
- {
- case 0: fParam1 = value; break;
- case 1: fParam2 = value; break;
- case 2: fParam3 = value; break;
- case 3: fParam4 = value; break;
- case 4: fParam5 = value; break;
- case 5: fParam6 = value; break;
- }
-
- dvd = 1.0;
- phs = 1.0;
- osc = 0.0; //oscillator phase
- typ = int(3.5 * fParam1);
- filti = (typ == 3)? 0.018f : (float)pow(10.0,-3.0 + (2.0 * fParam3));
- filto = 1.0f - filti;
- wet = fParam2;
- dry = fParam4;
- thr = (float)pow(10.0,-3.0 + (3.0 * fParam5));
- rls = (float)(1.0 - pow(10.0, -2.0 - (3.0 * fParam6)));
- dphi = (float)(0.456159 * pow(10.0,-2.5 + (1.5 * fParam3)));
-}
-
-float mdaSubSynth::getParameter(LvzInt32 index)
-{
- float v=0;
-
- switch(index)
- {
- case 0: v = fParam1; break;
- case 1: v = fParam2; break;
- case 2: v = fParam3; break;
- case 3: v = fParam4; break;
- case 4: v = fParam5; break;
- case 5: v = fParam6; break;
- }
- return v;
-}
-
-void mdaSubSynth::getParameterName(LvzInt32 index, char *label)
-{
- switch(index)
- {
- case 0: strcpy(label, "Type"); break;
- case 1: strcpy(label, "Level"); break;
- case 2: strcpy(label, "Tune"); break;
- case 3: strcpy(label, "Dry Mix"); break;
- case 4: strcpy(label, "Thresh"); break;
- case 5: strcpy(label, "Release"); break;
- }
-}
-
-void mdaSubSynth::getParameterDisplay(LvzInt32 index, char *text)
-{
- char string[16];
-
- switch(index)
- {
- case 1: sprintf(string, "%d", (LvzInt32)(100.0f * wet)); break;
- case 2: sprintf(string, "%d", (LvzInt32)(0.0726 * getSampleRate() * pow(10.0,-2.5 + (1.5 * fParam3)))); break;
- case 3: sprintf(string, "%d", (LvzInt32)(100. * dry)); break;
- case 4: sprintf(string, "%.1f", 60.0f * fParam5 - 60.0f); break;
- case 5: sprintf(string, "%d", (LvzInt32)(-301.03 / (getSampleRate() * log10(rls)))); break;
-
- case 0: switch(typ)
- {
- case 0: strcpy(string, "Distort"); break;
- case 1: strcpy(string, "Divide"); break;
- case 2: strcpy(string, "Invert"); break;
- case 3: strcpy(string, "Key Osc."); break;
- }
- }
-
- string[8] = 0;
- strcpy(text, (char *)string);
-}
-
-void mdaSubSynth::getParameterLabel(LvzInt32 index, char *label)
-{
- switch(index)
- {
- case 0: strcpy(label, " " ); break;
- case 1: strcpy(label, "% "); break;
- case 2: strcpy(label, "Hz"); break;
- case 3: strcpy(label, "%" ); break;
- case 4: strcpy(label, "dB"); break;
- case 5: strcpy(label, "ms"); break;
- }
-}
-
-
-void mdaSubSynth::resume()
-{
- phi = env = filt1 = filt2 = filt3 = filt4 = filti = filto = 0.0f;
-
- setParameter(0, getParameter(0));
-}
-
-//--------------------------------------------------------------------------------
-// process
-
-void mdaSubSynth::process(float **inputs, float **outputs, LvzInt32 sampleFrames)
-{
- float *in1 = inputs[0];
- float *in2 = inputs[1];
- float *out1 = outputs[0];
- float *out2 = outputs[1];
- float a, b, c, d;
- float we, dr, fi, fo, f1, f2, f3, f4, sub, rl, th, dv, ph, phii, dph, os, en;
-
- dph = dphi;
- rl = rls;
- phii = phi;
- en = env;
- os = osc;
- th = thr;
- dv = dvd;
- ph = phs;
- we = wet;
- dr = dry;
- f1 = filt1;
- f2 = filt2;
- f3 = filt3;
- f4 = filt4;
- fi = filti;
- fo = filto;
-
- --in1;
- --in2;
- --out1;
- --out2;
- while(--sampleFrames >= 0)
- {
- a = *++in1;
- b = *++in2;
-
- c = out1[1];
- d = out2[1]; //process from here...
-
- f1 = (fo * f1) + (fi * (a + b));
- f2 = (fo * f2) + (fi * f1);
-
- sub = f2;
- if (sub > th)
- {
- sub = 1.0;
- }
- else
- {
- if(sub < -th)
- {
- sub = -1.0;
- }
- else
- {
- sub = 0.0;
- }
- }
-
- if((sub * dv) < 0) //octave divider
- {
- dv = -dv; if(dv < 0.) ph = -ph;
- }
-
- if(typ == 1) //divide
- {
- sub = ph * sub;
- }
- if(typ == 2) //invert
- {
- sub = (float)(ph * f2 * 2.0);
- }
- if(typ == 3) //osc
- {
- if (f2 > th) {en = 1.0; }
- else {en = en * rl;}
- sub = (float)(en * sin(phii));
- phii = (float)fmod( phii + dph, 6.283185f );
- }
-
- f3 = (fo * f3) + (fi * sub);
- f4 = (fo * f4) + (fi * f3);
-
- c += (a * dr) + (f4 * we); // output
- d += (b * dr) + (f4 * we);
-
- *++out1 = c;
- *++out2 = d;
- }
- if(fabs(f1)<1.0e-10) filt1=0.f; else filt1=f1;
- if(fabs(f2)<1.0e-10) filt2=0.f; else filt2=f2;
- if(fabs(f3)<1.0e-10) filt3=0.f; else filt3=f3;
- if(fabs(f4)<1.0e-10) filt4=0.f; else filt4=f4;
- dvd = dv;
- phs = ph;
- osc = os;
- phi = phii;
- env = en;
-}
-
-void mdaSubSynth::processReplacing(float **inputs, float **outputs, LvzInt32 sampleFrames)
-{
- float *in1 = inputs[0];
- float *in2 = inputs[1];
- float *out1 = outputs[0];
- float *out2 = outputs[1];
- float a, b, c, d;
- float we, dr, fi, fo, f1, f2, f3, f4, sub, rl, th, dv, ph, phii, dph, os, en;
-
- dph = dphi;
- rl = rls;
- phii = phi;
- en = env;
- os = osc;
- th = thr;
- dv = dvd;
- ph = phs;
- we = wet;
- dr = dry;
- f1 = filt1;
- f2 = filt2;
- f3 = filt3;
- f4 = filt4;
-
- fi = filti;
- fo = filto;
-
- --in1;
- --in2;
- --out1;
- --out2;
- while(--sampleFrames >= 0)
- {
- a = *++in1;
- b = *++in2; //process from here...
-
- f1 = (fo * f1) + (fi * (a + b));
- f2 = (fo * f2) + (fi * f1);
-
- sub = f2;
- if (sub > th)
- {
- sub = 1.0;
- }
- else
- {
- if(sub < -th)
- {
- sub = -1.0;
- }
- else
- {
- sub = 0.0;
- }
- }
-
- if((sub * dv) < 0) //octave divider
- {
- dv = -dv; if(dv < 0.) ph = -ph;
- }
-
- if(typ == 1) //divide
- {
- sub = ph * sub;
- }
- if(typ == 2) //invert
- {
- sub = (float)(ph * f2 * 2.0);
- }
- if(typ == 3) //osc
- {
- if (f2 > th) {en = 1.0; }
- else {en = en * rl;}
- sub = (float)(en * sin(phii));
- phii = (float)fmod( phii + dph, 6.283185f );
- }
-
- f3 = (fo * f3) + (fi * sub);
- f4 = (fo * f4) + (fi * f3);
-
- c = (a * dr) + (f4 * we); // output
- d = (b * dr) + (f4 * we);
-
- *++out1 = c;
- *++out2 = d;
- }
- if(fabs(f1)<1.0e-10) filt1=0.f; else filt1=f1;
- if(fabs(f2)<1.0e-10) filt2=0.f; else filt2=f2;
- if(fabs(f3)<1.0e-10) filt3=0.f; else filt3=f3;
- if(fabs(f4)<1.0e-10) filt4=0.f; else filt4=f4;
- dvd = dv;
- phs = ph;
- osc = os;
- phi = phii;
- env = en;
-}
+/* + Copyright 2008-2011 David Robillard <http://drobilla.net> + Copyright 1999-2000 Paul Kellett (Maxim Digital Audio) + + This is free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, + or (at your option) any later version. + + This software is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + See the GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this software. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include "mdaSubSynth.h" + +#include <math.h> +#include <stdio.h> + +AudioEffect *createEffectInstance(audioMasterCallback audioMaster) +{ + return new mdaSubSynth(audioMaster); +} + +mdaSubSynth::mdaSubSynth(audioMasterCallback audioMaster) + : AudioEffectX(audioMaster, 1, 6) // programs, parameters +{ + //inits here! + fParam1 = (float)0.0; //type + fParam2 = (float)0.3; //level + fParam3 = (float)0.6; //tune + fParam4 = (float)1.0; //dry mix + fParam5 = (float)0.6; //thresh + fParam6 = (float)0.65; //release + + setNumInputs(2); + setNumOutputs(2); + setUniqueID("mdaSubSynth"); // identify here + DECLARE_LVZ_DEPRECATED(canMono) (); + canProcessReplacing(); + strcpy(programName, "Sub Bass Synthesizer"); + + resume(); +} + +mdaSubSynth::~mdaSubSynth() +{ + +} + +bool mdaSubSynth::getProductString(char* text) { strcpy(text, "MDA SubSynth"); return true; } +bool mdaSubSynth::getVendorString(char* text) { strcpy(text, "mda"); return true; } +bool mdaSubSynth::getEffectName(char* name) { strcpy(name, "SubSynth"); return true; } + +void mdaSubSynth::setProgramName(char *name) +{ + strcpy(programName, name); +} + +void mdaSubSynth::getProgramName(char *name) +{ + strcpy(name, programName); +} + +bool mdaSubSynth::getProgramNameIndexed (LvzInt32 category, LvzInt32 index, char* name) +{ + if (index == 0) + { + strcpy(name, programName); + return true; + } + return false; +} + +void mdaSubSynth::setProgram(LvzInt32 program) +{ +} + +void mdaSubSynth::setParameter(LvzInt32 index, float value) +{ + switch(index) + { + case 0: fParam1 = value; break; + case 1: fParam2 = value; break; + case 2: fParam3 = value; break; + case 3: fParam4 = value; break; + case 4: fParam5 = value; break; + case 5: fParam6 = value; break; + } + + dvd = 1.0; + phs = 1.0; + osc = 0.0; //oscillator phase + typ = int(3.5 * fParam1); + filti = (typ == 3)? 0.018f : (float)pow(10.0,-3.0 + (2.0 * fParam3)); + filto = 1.0f - filti; + wet = fParam2; + dry = fParam4; + thr = (float)pow(10.0,-3.0 + (3.0 * fParam5)); + rls = (float)(1.0 - pow(10.0, -2.0 - (3.0 * fParam6))); + dphi = (float)(0.456159 * pow(10.0,-2.5 + (1.5 * fParam3))); +} + +float mdaSubSynth::getParameter(LvzInt32 index) +{ + float v=0; + + switch(index) + { + case 0: v = fParam1; break; + case 1: v = fParam2; break; + case 2: v = fParam3; break; + case 3: v = fParam4; break; + case 4: v = fParam5; break; + case 5: v = fParam6; break; + } + return v; +} + +void mdaSubSynth::getParameterName(LvzInt32 index, char *label) +{ + switch(index) + { + case 0: strcpy(label, "Type"); break; + case 1: strcpy(label, "Level"); break; + case 2: strcpy(label, "Tune"); break; + case 3: strcpy(label, "Dry Mix"); break; + case 4: strcpy(label, "Thresh"); break; + case 5: strcpy(label, "Release"); break; + } +} + +void mdaSubSynth::getParameterDisplay(LvzInt32 index, char *text) +{ + char string[16]; + + switch(index) + { + case 1: sprintf(string, "%d", (LvzInt32)(100.0f * wet)); break; + case 2: sprintf(string, "%d", (LvzInt32)(0.0726 * getSampleRate() * pow(10.0,-2.5 + (1.5 * fParam3)))); break; + case 3: sprintf(string, "%d", (LvzInt32)(100. * dry)); break; + case 4: sprintf(string, "%.1f", 60.0f * fParam5 - 60.0f); break; + case 5: sprintf(string, "%d", (LvzInt32)(-301.03 / (getSampleRate() * log10(rls)))); break; + + case 0: switch(typ) + { + case 0: strcpy(string, "Distort"); break; + case 1: strcpy(string, "Divide"); break; + case 2: strcpy(string, "Invert"); break; + case 3: strcpy(string, "Key Osc."); break; + } + } + + string[8] = 0; + strcpy(text, (char *)string); +} + +void mdaSubSynth::getParameterLabel(LvzInt32 index, char *label) +{ + switch(index) + { + case 0: strcpy(label, " " ); break; + case 1: strcpy(label, "% "); break; + case 2: strcpy(label, "Hz"); break; + case 3: strcpy(label, "%" ); break; + case 4: strcpy(label, "dB"); break; + case 5: strcpy(label, "ms"); break; + } +} + + +void mdaSubSynth::resume() +{ + phi = env = filt1 = filt2 = filt3 = filt4 = filti = filto = 0.0f; + + setParameter(0, getParameter(0)); +} + +//-------------------------------------------------------------------------------- +// process + +void mdaSubSynth::process(float **inputs, float **outputs, LvzInt32 sampleFrames) +{ + float *in1 = inputs[0]; + float *in2 = inputs[1]; + float *out1 = outputs[0]; + float *out2 = outputs[1]; + float a, b, c, d; + float we, dr, fi, fo, f1, f2, f3, f4, sub, rl, th, dv, ph, phii, dph, os, en; + + dph = dphi; + rl = rls; + phii = phi; + en = env; + os = osc; + th = thr; + dv = dvd; + ph = phs; + we = wet; + dr = dry; + f1 = filt1; + f2 = filt2; + f3 = filt3; + f4 = filt4; + fi = filti; + fo = filto; + + --in1; + --in2; + --out1; + --out2; + while(--sampleFrames >= 0) + { + a = *++in1; + b = *++in2; + + c = out1[1]; + d = out2[1]; //process from here... + + f1 = (fo * f1) + (fi * (a + b)); + f2 = (fo * f2) + (fi * f1); + + sub = f2; + if (sub > th) + { + sub = 1.0; + } + else + { + if(sub < -th) + { + sub = -1.0; + } + else + { + sub = 0.0; + } + } + + if((sub * dv) < 0) //octave divider + { + dv = -dv; if(dv < 0.) ph = -ph; + } + + if(typ == 1) //divide + { + sub = ph * sub; + } + if(typ == 2) //invert + { + sub = (float)(ph * f2 * 2.0); + } + if(typ == 3) //osc + { + if (f2 > th) {en = 1.0; } + else {en = en * rl;} + sub = (float)(en * sin(phii)); + phii = (float)fmod( phii + dph, 6.283185f ); + } + + f3 = (fo * f3) + (fi * sub); + f4 = (fo * f4) + (fi * f3); + + c += (a * dr) + (f4 * we); // output + d += (b * dr) + (f4 * we); + + *++out1 = c; + *++out2 = d; + } + if(fabs(f1)<1.0e-10) filt1=0.f; else filt1=f1; + if(fabs(f2)<1.0e-10) filt2=0.f; else filt2=f2; + if(fabs(f3)<1.0e-10) filt3=0.f; else filt3=f3; + if(fabs(f4)<1.0e-10) filt4=0.f; else filt4=f4; + dvd = dv; + phs = ph; + osc = os; + phi = phii; + env = en; +} + +void mdaSubSynth::processReplacing(float **inputs, float **outputs, LvzInt32 sampleFrames) +{ + float *in1 = inputs[0]; + float *in2 = inputs[1]; + float *out1 = outputs[0]; + float *out2 = outputs[1]; + float a, b, c, d; + float we, dr, fi, fo, f1, f2, f3, f4, sub, rl, th, dv, ph, phii, dph, os, en; + + dph = dphi; + rl = rls; + phii = phi; + en = env; + os = osc; + th = thr; + dv = dvd; + ph = phs; + we = wet; + dr = dry; + f1 = filt1; + f2 = filt2; + f3 = filt3; + f4 = filt4; + + fi = filti; + fo = filto; + + --in1; + --in2; + --out1; + --out2; + while(--sampleFrames >= 0) + { + a = *++in1; + b = *++in2; //process from here... + + f1 = (fo * f1) + (fi * (a + b)); + f2 = (fo * f2) + (fi * f1); + + sub = f2; + if (sub > th) + { + sub = 1.0; + } + else + { + if(sub < -th) + { + sub = -1.0; + } + else + { + sub = 0.0; + } + } + + if((sub * dv) < 0) //octave divider + { + dv = -dv; if(dv < 0.) ph = -ph; + } + + if(typ == 1) //divide + { + sub = ph * sub; + } + if(typ == 2) //invert + { + sub = (float)(ph * f2 * 2.0); + } + if(typ == 3) //osc + { + if (f2 > th) {en = 1.0; } + else {en = en * rl;} + sub = (float)(en * sin(phii)); + phii = (float)fmod( phii + dph, 6.283185f ); + } + + f3 = (fo * f3) + (fi * sub); + f4 = (fo * f4) + (fi * f3); + + c = (a * dr) + (f4 * we); // output + d = (b * dr) + (f4 * we); + + *++out1 = c; + *++out2 = d; + } + if(fabs(f1)<1.0e-10) filt1=0.f; else filt1=f1; + if(fabs(f2)<1.0e-10) filt2=0.f; else filt2=f2; + if(fabs(f3)<1.0e-10) filt3=0.f; else filt3=f3; + if(fabs(f4)<1.0e-10) filt4=0.f; else filt4=f4; + dvd = dv; + phs = ph; + osc = os; + phi = phii; + env = en; +} |