/* Copyright 2008-2011 David Robillard 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 . */ #include "mdaTracker.h" #include #include AudioEffect *createEffectInstance(audioMasterCallback audioMaster) { return new mdaTracker(audioMaster); } mdaTracker::mdaTracker(audioMasterCallback audioMaster) : AudioEffectX(audioMaster, 1, 8) // programs, parameters { //inits here! fParam1 = (float)0.00; //Mode fParam2 = (float)1.00; //Dynamics fParam3 = (float)1.00; //Mix fParam4 = (float)0.97; //Tracking fParam5 = (float)0.50; //Trnspose fParam6 = (float)0.80; //Maximum Hz fParam7 = (float)0.50; //Trigger dB fParam8 = (float)0.50; //Output setNumInputs(2); setNumOutputs(2); setUniqueID("mdaTracker"); // identify here DECLARE_LVZ_DEPRECATED(canMono) (); canProcessReplacing(); strcpy(programName, "Pitch Tracker"); dphi = 100.f/getSampleRate(); //initial pitch min = (int32_t)(getSampleRate()/30.0); //lower limit res1 = (float)cos(0.01); //p res2 = (float)sin(0.01); //q setParameter(0, 0.0f); } void mdaTracker::setParameter(int32_t 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; case 6: fParam7 = value; break; case 7: fParam8 = value; break; } //calcs here mode = int(fParam1*4.9); fo = filterFreq(50.f); fi = (1.f - fo)*(1.f - fo); ddphi = fParam4 * fParam4; thr = (float)pow(10.0, 3.0*fParam7 - 3.8); max = (int32_t)(getSampleRate() / pow(10.0f, 1.6f + 2.2f * fParam6)); trans = (float)pow(1.0594631,int(72.f*fParam5 - 36.f)); wet = (float)pow(10.0, 2.0*fParam8 - 1.0); if(mode<4) { dyn = wet * 0.6f * fParam3 * fParam2; dry = wet * (float)sqrt(1.f - fParam3); wet = wet * 0.3f * fParam3 * (1.f - fParam2); } else { dry = wet * (1.f - fParam3); wet *= (0.02f*fParam3 - 0.004f); dyn = 0.f; } rel = (float)pow(10.0,-10.0/getSampleRate()); } mdaTracker::~mdaTracker() { } bool mdaTracker::getProductString(char* text) { strcpy(text, "MDA Tracker"); return true; } bool mdaTracker::getVendorString(char* text) { strcpy(text, "mda"); return true; } bool mdaTracker::getEffectName(char* name) { strcpy(name, "Tracker"); return true; } void mdaTracker::suspend() { } float mdaTracker::filterFreq(float hz) { float j, k, r=0.999f; j = r * r - 1; k = (float)(2.f - 2.f * r * r * cos(0.647f * hz / getSampleRate() )); return (float)((sqrt(k*k - 4.f*j*j) - k) / (2.f*j)); } void mdaTracker::setProgramName(char *name) { strcpy(programName, name); } void mdaTracker::getProgramName(char *name) { strcpy(name, programName); } bool mdaTracker::getProgramNameIndexed (int32_t category, int32_t index, char* name) { if (index == 0) { strcpy(name, programName); return true; } return false; } float mdaTracker::getParameter(int32_t 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; case 6: v = fParam7; break; case 7: v = fParam8; break; } return v; } void mdaTracker::getParameterName(int32_t index, char *label) { switch(index) { case 0: strcpy(label, "Mode"); break; case 1: strcpy(label, "Dynamics"); break; case 2: strcpy(label, "Mix"); break; case 3: strcpy(label, "Glide"); break; case 4: strcpy(label, "Transpose"); break; case 5: strcpy(label, "Maximum"); break; case 6: strcpy(label, "Trigger"); break; case 7: strcpy(label, "Output"); break; } } #include void int2strng(int32_t value, char *string) { sprintf(string, "%d", value); } void mdaTracker::getParameterDisplay(int32_t index, char *text) { switch(index) { case 0: switch(mode) { case 0: strcpy(text, "SINE"); break; case 1: strcpy(text, "SQUARE"); break; case 2: strcpy(text, "SAW"); break; case 3: strcpy(text, "RING"); break; case 4: strcpy(text, "EQ"); break; } break; case 1: int2strng((int32_t)(100 * fParam2), text); break; case 2: int2strng((int32_t)(100 * fParam3), text); break; case 3: int2strng((int32_t)(100 * fParam4), text); break; case 4: int2strng((int32_t)(72*fParam5 - 36), text); break; case 5: int2strng((int32_t)(getSampleRate()/max), text); break; case 6: int2strng((int32_t)(60*fParam7 - 60), text); break; case 7: int2strng((int32_t)(40*fParam8 - 20), text); break; } } void mdaTracker::getParameterLabel(int32_t index, char *label) { switch(index) { case 0: strcpy(label, ""); break; case 1: strcpy(label, "%"); break; case 2: strcpy(label, "%"); break; case 3: strcpy(label, "%"); break; case 4: strcpy(label, "semi"); break; case 5: strcpy(label, "Hz"); break; case 6: strcpy(label, "dB"); break; } } //-------------------------------------------------------------------------------- // process void mdaTracker::process(float **inputs, float **outputs, int32_t sampleFrames) { float *in1 = inputs[0]; float *in2 = inputs[1]; float *out1 = outputs[0]; float *out2 = outputs[1]; float a, b, c, d, x, t=thr, p=phi, dp=dphi, ddp=ddphi, tmp, tmp2; float o=fo, i=fi, b1=buf1, b2=buf2, twopi=6.2831853f; float we=wet, dr=dry, bo=bold, r1=res1, r2=res2, b3=buf3, b4=buf4; float sw=saw, dsw=dsaw, dy=dyn, e=env, re=rel; int32_t m=max, n=num, s=sig, mn=min, mo=mode; --in1; --in2; --out1; --out2; while(--sampleFrames >= 0) { a = *++in1; b = *++in2; c = out1[1]; d = out2[1]; //process from here... x = a + b; tmp = (x>0.f)? x : -x; //dynamics envelope e = (tmp>e)? 0.5f*(tmp + e) : e * re; b1 = o*b1 + i*x; b2 = o*b2 + b1; //low-pass filter if(b2>t) //if >thresh { if(s<1) //and was m) s=0; //now 0.f)? 0.5f : -0.5f; break; //saw case 2: sw = (float)fmod(sw+dsw,2.0f); x = sw - 1.f; break; //ring case 3: x *= (float)sin(p); break; //filt case 4: x += (b3 * r1) - (b4 * r2); b4 = 0.996f * ((b3 * r2) + (b4 * r1)); b3 = 0.996f * x; break; } x *= (we + dy * e); *++out1 = c + dr*a + x; *++out2 = d + dr*b + x; } if(fabs(b1)<1.0e-10) {buf1=0.f; buf2=0.f; buf3=0.f; buf4=0.f; } else {buf1=b1; buf2=b2; buf3=b3; buf4=b4;} phi=p; dphi=dp; sig=s; bold=bo; num=(n>100000)? 100000: n; env=e; saw=sw; dsaw=dsw; res1=r1; res2=r2; } void mdaTracker::processReplacing(float **inputs, float **outputs, int32_t sampleFrames) { float *in1 = inputs[0]; float *in2 = inputs[1]; float *out1 = outputs[0]; float *out2 = outputs[1]; float a, b, x, t=thr, p=phi, dp=dphi, ddp=ddphi, tmp, tmp2; float o=fo, i=fi, b1=buf1, b2=buf2, twopi=6.2831853f; float we=wet, dr=dry, bo=bold, r1=res1, r2=res2, b3=buf3, b4=buf4; float sw=saw, dsw=dsaw, dy=dyn, e=env, re=rel; int32_t m=max, n=num, s=sig, mn=min, mo=mode; --in1; --in2; --out1; --out2; while(--sampleFrames >= 0) { a = *++in1; b = *++in2; x = a;// + b; tmp = (x>0.f)? x : -x; //dynamics envelope e = (tmp>e)? 0.5f*(tmp + e) : e * re; b1 = o*b1 + i*x; b2 = o*b2 + b1; //low-pass filter if(b2>t) //if >thresh { if(s<1) //and was m) s=0; //now 0.f)? 0.5f : -0.5f; break; //saw case 2: sw = (float)fmod(sw+dsw,2.0f); x = sw - 1.f; break; //ring case 3: x *= (float)sin(p); break; //filt case 4: x += (b3 * r1) - (b4 * r2); b4 = 0.996f * ((b3 * r2) + (b4 * r1)); b3 = 0.996f * x; break; } x *= (we + dy * e); *++out1 = a;//dr*a + x; *++out2 = dr*b + x; } if(fabs(b1)<1.0e-10) {buf1=0.f; buf2=0.f; buf3=0.f; buf4=0.f; } else {buf1=b1; buf2=b2; buf3=b3; buf4=b4;} phi=p; dphi=dp; sig=s; bold=bo; num=(n>100000)? 100000: n; env=e; saw=sw; dsaw=dsw; res1=r1; res2=r2; }