#include "mdaDynamics.h" #include AudioEffect *createEffectInstance(audioMasterCallback audioMaster) { return new mdaDynamics(audioMaster); } mdaDynamics::mdaDynamics(audioMasterCallback audioMaster) : AudioEffectX(audioMaster, 1, 10) // 1 program, 4 parameters { fParam1 = (float)0.60; //thresh ///Note : special version for ardislarge fParam2 = (float)0.40; //ratio fParam3 = (float)0.10; //level ///was 0.6 fParam4 = (float)0.18; //attack fParam5 = (float)0.55; //release fParam6 = (float)1.00; //Limiter fParam7 = (float)0.00; //gate thresh fParam8 = (float)0.10; //gate attack fParam9 = (float)0.50; //gate decay fParam10= (float)1.00; //fx mix setNumInputs(2); // stereo in setNumOutputs(2); // stereo out setUniqueID("mdaDynamics"); // identify DECLARE_LVZ_DEPRECATED(canMono) (); canProcessReplacing(); // supports both accumulating and replacing output strcpy(programName, "Dynamics"); // default program name setParameter(6, 0.f); //initial settings } bool mdaDynamics::getProductString(char* text) { strcpy(text, "mda Dynamics"); return true; } bool mdaDynamics::getVendorString(char* text) { strcpy(text, "mda"); return true; } bool mdaDynamics::getEffectName(char* name) { strcpy(name, "Dynamics"); return true; } mdaDynamics::~mdaDynamics() { // nothing to do here } void mdaDynamics::setProgramName(char *name) { strcpy(programName, name); } void mdaDynamics::getProgramName(char *name) { strcpy(name, programName); } void mdaDynamics::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; case 6: fParam7 = value; break; case 7: fParam8 = value; break; case 8: fParam9 = value; break; case 9: fParam10= value; break; } //calcs here mode=0; thr = (float)pow(10.f, 2.f * fParam1 - 2.f); rat = 2.5f * fParam2 - 0.5f; if(rat>1.0) { rat = 1.f + 16.f*(rat-1.f) * (rat - 1.f); mode = 1; } if(rat<0.0) { rat = 0.6f*rat; mode=1; } trim = (float)pow(10.f, 2.f * fParam3); //was - 1.f); att = (float)pow(10.f, -0.002f - 2.f * fParam4); rel = (float)pow(10.f, -2.f - 3.f * fParam5); if(fParam6>0.98) lthr=0.f; //limiter else { lthr=0.99f*(float)pow(10.0f,int(30.0*fParam6 - 20.0)/20.f); mode=1; } if(fParam7<0.02) { xthr=0.f; } //expander else { xthr=(float)pow(10.f,3.f * fParam7 - 3.f); mode=1; } xrat = 1.f - (float)pow(10.f, -2.f - 3.3f * fParam9); irel = (float)pow(10.0,-2.0/getSampleRate()); gatt = (float)pow(10.f, -0.002f - 3.f * fParam8); if(rat<0.0f && thr<0.1f) rat *= thr*15.f; dry = 1.0f - fParam10; trim *= fParam10; //fx mix } float mdaDynamics::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; case 6: v = fParam7; break; case 7: v = fParam8; break; case 8: v = fParam9; break; case 9: v = fParam10; break; } return v; } void mdaDynamics::getParameterName(LvzInt32 index, char *label) { switch(index) { case 0: strcpy(label, "Thresh"); break; case 1: strcpy(label, "Ratio"); break; case 2: strcpy(label, "Output"); break; case 3: strcpy(label, "Attack"); break; case 4: strcpy(label, "Release"); break; case 5: strcpy(label, "Limiter"); break; case 6: strcpy(label, "Gate Thr"); break; case 7: strcpy(label, "Gate Att"); break; case 8: strcpy(label, "Gate Rel"); break; case 9: strcpy(label, "Mix"); break; } } #include void long2string(long value, char *string) { sprintf(string, "%ld", value); } void float2strng(float value, char *string) { sprintf(string, "%.2f", value); } void mdaDynamics::getParameterDisplay(LvzInt32 index, char *text) { switch(index) { case 0: long2string((long)(40.0*fParam1 - 40.0),text); break; case 1: if(fParam2>0.58) { if(fParam2<0.62) strcpy(text, "Limit"); else float2strng(-rat,text); } else { if(fParam2<0.2) float2strng(0.5f+2.5f*fParam2,text); else float2strng(1.f/(1.f-rat),text); } break; case 2: long2string((long)(40.0*fParam3 - 0.0),text); break; ///was -20.0 case 3: long2string((long)(-301030.1 / (getSampleRate() * log10(1.0 - att))),text); break; case 4: long2string((long)(-301.0301 / (getSampleRate() * log10(1.0 - rel))),text); break; case 5: if(lthr==0.f) strcpy(text, "OFF"); else long2string((long)(30.0*fParam6 - 20.0),text); break; case 6: if(xthr==0.f) strcpy(text, "OFF"); else long2string((long)(60.0*fParam7 - 60.0),text); break; case 7: long2string((long)(-301030.1 / (getSampleRate() * log10(1.0 - gatt))),text); break; case 8: long2string((long)(-1806.0 / (getSampleRate() * log10(xrat))),text); break; case 9: long2string((long)(100.0*fParam10),text); break; } } void mdaDynamics::getParameterLabel(LvzInt32 index, char *label) { switch(index) { case 0: strcpy(label, "dB"); break; case 1: strcpy(label, ":1"); break; case 2: strcpy(label, "dB"); break; case 3: strcpy(label, "µs"); break; case 4: strcpy(label, "ms"); break; case 5: strcpy(label, "dB"); break; case 6: strcpy(label, "dB"); break; case 7: strcpy(label, "µs"); break; case 8: strcpy(label, "ms"); break; case 9: strcpy(label, "%"); break; } } //-------------------------------------------------------------------------------- // process void mdaDynamics::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, i, j, g, e=env, e2=env2, ra=rat, re=(1.f-rel), at=att, ga=gatt; float tr=trim, th=thr, lth=lthr, xth=xthr, ge=genv, y=dry; --in1; --in2; --out1; --out2; if(mode) //comp/gate/lim { if(lth==0.f) lth=1000.f; while(--sampleFrames >= 0) { a = *++in1; b = *++in2; c = out1[1]; d = out2[1]; i = (a<0.f)? -a : a; j = (b<0.f)? -b : b; i = (j>i)? j : i; e = (i>e)? e + at * (i - e) : e * re; e2 = (i>e)? i : e2 * re; //ir; g = (e>th)? tr / (1.f + ra * ((e/th) - 1.f)) : tr; if(g<0.f) g=0.f; if(g*e2>lth) g = lth/e2; //limit ge = (e>xth)? ge + ga - ga * ge : ge * xrat; //gate c += a * (g * ge + y); d += b * (g * ge + y); *++out1 = c; *++out2 = d; } } else //compressor only { while(--sampleFrames >= 0) { a = *++in1; b = *++in2; c = out1[1]; d = out2[1]; i = (a<0.f)? -a : a; j = (b<0.f)? -b : b; i = (j>i)? j : i; e = (i>e)? e + at * (i - e) : e * re; g = (e>th)? tr / (1.f + ra * ((e/th) - 1.f)) : tr; c += a * (g + y); d += b * (g + y); *++out1 = c; *++out2 = d; } } if(e <1.0e-10) env =0.f; else env =e; if(e2<1.0e-10) env2=0.f; else env2=e2; if(ge<1.0e-10) genv=0.f; else genv=ge; } void mdaDynamics::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, i, j, g, e=env, e2=env2, ra=rat, re=(1.f-rel), at=att, ga=gatt; float tr=trim, th=thr, lth=lthr, xth=xthr, ge=genv, y=dry; --in1; --in2; --out1; --out2; if(mode) //comp/gate/lim { if(lth==0.f) lth=1000.f; while(--sampleFrames >= 0) { a = *++in1; b = *++in2; i = (a<0.f)? -a : a; j = (b<0.f)? -b : b; i = (j>i)? j : i; e = (i>e)? e + at * (i - e) : e * re; e2 = (i>e)? i : e2 * re; //ir; g = (e>th)? tr / (1.f + ra * ((e/th) - 1.f)) : tr; if(g<0.f) g=0.f; if(g*e2>lth) g = lth/e2; //limit ge = (e>xth)? ge + ga - ga * ge : ge * xrat; //gate *++out1 = a * (g * ge + y); *++out2 = b * (g * ge + y); } } else //compressor only { while(--sampleFrames >= 0) { a = *++in1; b = *++in2; i = (a<0.f)? -a : a; j = (b<0.f)? -b : b; i = (j>i)? j : i; //get peak level e = (i>e)? e + at * (i - e) : e * re; //envelope g = (e>th)? tr / (1.f + ra * ((e/th) - 1.f)) : tr; //gain *++out1 = a * (g + y); //vca *++out2 = b * (g + y); } } if(e <1.0e-10) env =0.f; else env =e; if(e2<1.0e-10) env2=0.f; else env2=e2; if(ge<1.0e-10) genv=0.f; else genv=ge; }