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-rw-r--r--src/mdaMultiBand.cpp366
1 files changed, 366 insertions, 0 deletions
diff --git a/src/mdaMultiBand.cpp b/src/mdaMultiBand.cpp
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+++ b/src/mdaMultiBand.cpp
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+#include "mdaMultiBand.h"
+
+#include <math.h>
+#include <float.h>
+
+AudioEffect *createEffectInstance(audioMasterCallback audioMaster)
+{
+ return new mdaMultiBand(audioMaster);
+}
+
+mdaMultiBand::mdaMultiBand(audioMasterCallback audioMaster) : AudioEffectX(audioMaster, 1, 13) // programs, parameters
+{
+ //inits here!
+ fParam1 = (float)1.00; //Listen: L/M/H/out
+ fParam2 = (float)0.103; //xover1
+ fParam3 = (float)0.878; //xover2
+ fParam4 = (float)0.54; //L drive (1)
+ fParam5 = (float)0.00; //M drive
+ fParam6 = (float)0.60; //H drive
+ fParam7 = (float)0.45; //L trim (2)
+ fParam8 = (float)0.50; //M trim
+ fParam9 = (float)0.50; //H trim
+ fParam10 = (float)0.22; //attack (3)
+ fParam11 = (float)0.602; //release (4)
+ fParam12 = (float)0.55; //width
+ fParam13 = (float)0.40; //MS swap
+/* fParam1 = (float)1.00; //Listen: L/M/H/out
+ fParam2 = (float)0.50; //xover1
+ fParam3 = (float)0.50; //xover2
+ fParam4 = (float)0.45; //L drive (1)
+ fParam5 = (float)0.45; //M drive
+ fParam6 = (float)0.45; //H drive
+ fParam7 = (float)0.50; //L trim (2)
+ fParam8 = (float)0.50; //M trim
+ fParam9 = (float)0.50; //H trim
+ fParam10 = (float)0.22; //attack (3)
+ fParam11 = (float)0.60; //release (4)
+ fParam12 = (float)0.50; //width
+ fParam13 = (float)0.40; //MS swap*/
+
+ setNumInputs(2);
+ setNumOutputs(2);
+ setUniqueID("mdaM"); // identify here
+ DECLARE_LVZ_DEPRECATED(canMono) ();
+ canProcessReplacing();
+ strcpy(programName, "Multi-Band Compressor");
+
+ //calcs here!
+ gain1 = 1.0;
+ driv1 = (float)pow(10.0,(2.5 * fParam4) - 1.0);
+ trim1 = (float)(0.5 + (4.0 - 2.0 * fParam10) * (fParam4 * fParam4 * fParam4));
+ trim1 = (float)(trim1 * pow(10.0, 2.0 * fParam7 - 1.0));
+ att1 = (float)pow(10.0, -0.05 -(2.5 * fParam10));
+ rel1 = (float)pow(10.0, -2.0 - (3.5 * fParam11));
+
+ gain2 = 1.0;
+ driv2 = (float)pow(10.0,(2.5 * fParam5) - 1.0);
+ trim2 = (float)(0.5 + (4.0 - 2.0 * fParam10) * (fParam5 * fParam5 * fParam5));
+ trim2 = (float)(trim2 * pow(10.0, 2.0 * fParam8 - 1.0));
+ att2 = (float)pow(10.0, -0.05 -(2.0 * fParam10));
+ rel2 = (float)pow(10.0, -2.0 - (3.0 * fParam11));
+
+ gain3 = 1.0;
+ driv3 = (float)pow(10.0,(2.5 * fParam6) - 1.0);
+ trim3 = (float)(0.5 + (4.0 - 2.0 * fParam10) * (fParam6 * fParam6 * fParam6));
+ trim3 = (float)(trim3 * pow(10.0, 2.0 * fParam9 - 1.0));
+ att3 = (float)pow(10.0, -0.05 -(1.5 * fParam10));
+ rel3 = (float)pow(10.0, -2.0 - (2.5 * fParam11));
+
+ switch(int(fParam1*10.0))
+ {
+ case 0: trim2=0.0; trim3=0.0; slev=0.0; break;
+ case 1:
+ case 2: trim1=0.0; trim3=0.0; slev=0.0; break;
+ case 3:
+ case 4: trim1=0.0; trim2=0.0; slev=0.0; break;
+ default: slev=fParam12; break;
+ }
+ fi1 = (float)pow(10.0,fParam2 - 1.70); fo1=(float)(1.0 - fi1);
+ fi2 = (float)pow(10.0,fParam3 - 1.05); fo2=(float)(1.0 - fi2);
+ mswap = 0;
+}
+
+mdaMultiBand::~mdaMultiBand()
+{
+
+}
+
+bool mdaMultiBand::getProductString(char* text) { strcpy(text, "mda MultiBand"); return true; }
+bool mdaMultiBand::getVendorString(char* text) { strcpy(text, "mda"); return true; }
+bool mdaMultiBand::getEffectName(char* name) { strcpy(name, "MultiBand"); return true; }
+
+void mdaMultiBand::setProgramName(char *name)
+{
+ strcpy(programName, name);
+}
+
+void mdaMultiBand::getProgramName(char *name)
+{
+ strcpy(name, programName);
+}
+
+void mdaMultiBand::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;
+ case 10: fParam11 = value; break;
+ case 11: fParam12 = value; break;
+ case 12: fParam13 = value; break;
+ }
+ //calcs here
+ driv1 = (float)pow(10.0,(2.5 * fParam4) - 1.0);
+ trim1 = (float)(0.5 + (4.0 - 2.0 * fParam10) * (fParam4 * fParam4 * fParam4));
+ trim1 = (float)(trim1 * pow(10.0, 2.0 * fParam7 - 1.0));
+ att1 = (float)pow(10.0, -0.05 -(2.5 * fParam10));
+ rel1 = (float)pow(10.0, -2.0 - (3.5 * fParam11));
+
+ driv2 = (float)pow(10.0,(2.5 * fParam5) - 1.0);
+ trim2 = (float)(0.5 + (4.0 - 2.0 * fParam10) * (fParam5 * fParam5 * fParam5));
+ trim2 = (float)(trim2 * pow(10.0, 2.0 * fParam8 - 1.0));
+ att2 = (float)pow(10.0, -0.05 -(2.0 * fParam10));
+ rel2 = (float)pow(10.0, -2.0 - (3.0 * fParam11));
+
+ driv3 = (float)pow(10.0,(2.5 * fParam6) - 1.0);
+ trim3 = (float)(0.5 + (4.0 - 2.0 * fParam10) * (fParam6 * fParam6 * fParam6));
+ trim3 = (float)(trim3 * pow(10.0, 2.0 * fParam9 - 1.0));
+ att3 = (float)pow(10.0, -0.05 -(1.5 * fParam10));
+ rel3 = (float)pow(10.0, -2.0 - (2.5 * fParam11));
+
+ switch(int(fParam1*10.0))
+ {
+ case 0: trim2=0.0; trim3=0.0; slev=0.0; break;
+ case 1:
+ case 2: trim1=0.0; trim3=0.0; slev=0.0; break;
+ case 3:
+ case 4: trim1=0.0; trim2=0.0; slev=0.0; break;
+ default: slev=fParam12; break;
+ }
+ fi1 = (float)pow(10.0,fParam2 - 1.70); fo1=(float)(1.0 - fi1);
+ fi2 = (float)pow(10.0,fParam3 - 1.05); fo2=(float)(1.0 - fi2);
+
+ if(fParam13>0.5) mswap=1; else mswap=0;
+}
+
+float mdaMultiBand::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;
+ case 10: v = fParam11; break;
+ case 11: v = fParam12; break;
+ case 12: v = fParam13; break;
+ }
+ return v;
+}
+
+void mdaMultiBand::getParameterName(LvzInt32 index, char *label)
+{
+ switch(index)
+ {
+ case 0: strcpy(label, "Listen:"); break;
+ case 1: strcpy(label, "L <> M"); break;
+ case 2: strcpy(label, "M <> H"); break;
+ case 3: strcpy(label, "L Comp"); break;
+ case 4: strcpy(label, "M Comp"); break;
+ case 5: strcpy(label, "H Comp"); break;
+ case 6: strcpy(label, "L Out"); break;
+ case 7: strcpy(label, "M Out"); break;
+ case 8: strcpy(label, "H Out"); break;
+ case 9: strcpy(label, "Attack"); break;
+ case 10: strcpy(label, "Release"); break;
+ case 11: strcpy(label, "Stereo"); break;
+ case 12: strcpy(label, "Process:"); break;
+ }
+}
+
+#include <stdio.h>
+void long2string(long value, char *string) { sprintf(string, "%ld", value); }
+
+void mdaMultiBand::getParameterDisplay(LvzInt32 index, char *text)
+{
+ switch(index)
+ {
+ case 0: switch(int(fParam1*10.0))
+ { case 0: strcpy(text, "Low"); break;
+ case 1: case 2: strcpy(text, "Mid"); break;
+ case 3: case 4: strcpy(text, "High"); break;
+ default: strcpy(text, "Output"); break; } break;
+ case 1: long2string((long)(getSampleRate() * fi1 * (0.098 + 0.09*fi1 + 0.5*(float)pow(fi1,8.2f))), text); break;
+ case 2: long2string((long)(getSampleRate() * fi2 * (0.015 + 0.15*fi2 + 0.9*(float)pow(fi2,8.2f))), text); break;
+ case 3: long2string((long)(30.0 * fParam4), text); break;
+ case 4: long2string((long)(30.0 * fParam5), text); break;
+ case 5: long2string((long)(30.0 * fParam6), text); break;
+ case 6: long2string((long)(40.0 * fParam7 - 20.0), text); break;
+ case 7: long2string((long)(40.0 * fParam8 - 20.0), text); break;
+ case 8: long2string((long)(40.0 * fParam9 - 20.0), text); break;
+ case 9: long2string((long)(-301030.1 / (getSampleRate() * log10(1.0 - att2))),text); break;
+ case 10: long2string((long)(-301.0301 / (getSampleRate() * log10(1.0 - rel2))),text); break;
+ case 11: long2string((long)(200.0 * fParam12), text); break;
+ case 12: if(mswap) strcpy(text, "S");
+ else strcpy(text, "M"); break;
+ }
+}
+
+void mdaMultiBand::getParameterLabel(LvzInt32 index, char *label)
+{
+ switch(index)
+ {
+ case 0: strcpy(label, ""); break;
+ case 1: strcpy(label, "Hz"); break;
+ case 2: strcpy(label, "Hz"); break;
+ case 3: strcpy(label, "dB"); break;
+ case 4: strcpy(label, "dB"); break;
+ case 5: strcpy(label, "dB"); break;
+ case 6: strcpy(label, "dB"); break;
+ case 7: strcpy(label, "dB"); break;
+ case 8: strcpy(label, "dB"); break;
+ case 9: strcpy(label, "µs"); break;
+ case 10: strcpy(label, "ms"); break;
+ case 11: strcpy(label, "% Width"); break;
+ case 12: strcpy(label, ""); break;
+ }
+}
+
+//--------------------------------------------------------------------------------
+// process
+
+void mdaMultiBand::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, l=fb3, m, h, s, sl=slev, tmp1, tmp2, tmp3;
+ float f1i=fi1, f1o=fo1, f2i=fi2, f2o=fo2, b1=fb1, b2=fb2;
+ float g1=gain1, d1=driv1, t1=trim1, a1=att1, r1=1.f - rel1;
+ float g2=gain2, d2=driv2, t2=trim2, a2=att2, r2=1.f - rel2;
+ float g3=gain3, d3=driv3, t3=trim3, a3=att3, r3=1.f - rel3;
+ int ms=mswap;
+
+ --in1;
+ --in2;
+ --out1;
+ --out2;
+ while(--sampleFrames >= 0)
+ {
+ a = *++in1;
+ b = *++in2;
+ c = out1[1];
+ d = out2[1]; //process from here...
+
+ b = (ms)? -b : b;
+
+ s = (a - b) * sl; //keep stereo component for later
+ a += b;
+ b2 = (f2i * a) + (f2o * b2); //crossovers
+ b1 = (f1i * b2) + (f1o * b1);
+ l = (f1i * b1) + (f1o * l);
+ m=b2-l; h=a-b2;
+
+ tmp1 = (l>0)? l : -l; //l
+ g1 = (tmp1>g1)? g1+a1*(tmp1-g1) : g1*r1;
+ tmp1 = 1.f / (1.f + d1 * g1);
+
+ tmp2 = (m>0)? m : -m;
+ g2 = (tmp2>g2)? g2+a2*(tmp2-g2) : g2*r2;
+ tmp2 = 1.f / (1.f + d2 * g2);
+
+ tmp3 = (h>0)? h : -h;
+ g3 = (tmp3>g3)? g3+a3*(tmp3-g3) : g3*r3;
+ tmp3 = 1.f / (1.f + d3 * g3);
+
+ a = (l*tmp3*t1) + (m*tmp2*t2) + (h*tmp3*t3);
+ c += a + s; // output
+ d += (ms)? s - a : a - s;
+
+ *++out1 = c;
+ *++out2 = d;
+ }
+ gain1=(g1<1.0e-10)? 0.f : g1;
+ gain2=(g2<1.0e-10)? 0.f : g2;
+ gain3=(g3<1.0e-10)? 0.f : g3; // gain1=g1; gain2=g2; gain3=g3;
+ if(fabs(b1)<1.0e-10) { fb1=0.f; fb2=0.f; fb3=0.f; }
+ else { fb1=b1; fb2=b2; fb3=l; }
+}
+
+void mdaMultiBand::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, l=fb3, m, h, s, sl=slev, tmp1, tmp2, tmp3;
+ float f1i=fi1, f1o=fo1, f2i=fi2, f2o=fo2, b1=fb1, b2=fb2;
+ float g1=gain1, d1=driv1, t1=trim1, a1=att1, r1=1.f - rel1;
+ float g2=gain2, d2=driv2, t2=trim2, a2=att2, r2=1.f - rel2;
+ float g3=gain3, d3=driv3, t3=trim3, a3=att3, r3=1.f - rel3;
+ int ms=mswap;
+
+ --in1;
+ --in2;
+ --out1;
+ --out2;
+ while(--sampleFrames >= 0)
+ {
+ a = *++in1;
+ b = *++in2; //process from here...
+
+ b = (ms)? -b : b;
+
+ s = (a - b) * sl; //keep stereo component for later
+ a += b;
+ b2 = (f2i * a) + (f2o * b2); //crossovers
+ b1 = (f1i * b2) + (f1o * b1);
+ l = (f1i * b1) + (f1o * l);
+ m=b2-l; h=a-b2;
+
+ tmp1 = (l>0)? l : -l; //l
+ g1 = (tmp1>g1)? g1+a1*(tmp1-g1) : g1*r1;
+ tmp1 = 1.f / (1.f + d1 * g1);
+
+ tmp2 = (m>0)? m : -m;
+ g2 = (tmp2>g2)? g2+a2*(tmp2-g2) : g2*r2;
+ tmp2 = 1.f / (1.f + d2 * g2);
+
+ tmp3 = (h>0)? h : -h;
+ g3 = (tmp3>g3)? g3+a3*(tmp3-g3) : g3*r3;
+ tmp3 = 1.f / (1.f + d3 * g3);
+
+ a = (l*tmp3*t1) + (m*tmp2*t2) + (h*tmp3*t3);
+ c = a + s; // output
+ d = (ms)? s - a : a - s;
+
+ *++out1 = c;
+ *++out2 = d;
+ }
+ gain1=(g1<1.0e-10)? 0.f : g1;
+ gain2=(g2<1.0e-10)? 0.f : g2;
+ gain3=(g3<1.0e-10)? 0.f : g3; // gain1=g1; gain2=g2; gain3=g3;
+ if(fabs(b1)<1.0e-10) { fb1=0.f; fb2=0.f; fb3=0.f; }
+ else { fb1=b1; fb2=b2; fb3=l; }
+}
+
+ //g = (float)(1.0 / (1.0 + d1 * fabs(l)) ); //VCAs
+ //if(g1>g) { g1=g1-a1*(g1-g); } else { g1=g1+r1*(g-g1); }
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