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authorDavid Robillard <d@drobilla.net>2009-05-13 16:04:14 +0000
committerDavid Robillard <d@drobilla.net>2009-05-13 16:04:14 +0000
commite39cbfb9dcf0c00133945eab186072274b45358a (patch)
tree646d496e9bb964ead2ec493e976b01f4de115590 /src/mdaLeslie.cpp
parentc74440a8ae0169010167befafd80d44e23805f6b (diff)
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git-svn-id: http://svn.drobilla.net/lad/trunk/mda-lv2@1999 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/mdaLeslie.cpp')
-rw-r--r--src/mdaLeslie.cpp112
1 files changed, 56 insertions, 56 deletions
diff --git a/src/mdaLeslie.cpp b/src/mdaLeslie.cpp
index 5893cc3..c45e703 100644
--- a/src/mdaLeslie.cpp
+++ b/src/mdaLeslie.cpp
@@ -25,7 +25,7 @@ mdaLeslieProgram::mdaLeslieProgram()
strcpy(name, "Leslie Simulator");
}
-mdaLeslie::mdaLeslie(audioMasterCallback audioMaster) : AudioEffectX(audioMaster, 3, 9) // programs, parameters
+mdaLeslie::mdaLeslie(audioMasterCallback audioMaster) : AudioEffectX(audioMaster, 3, 9) // programs, parameters
{
fParam1 = 0.66f;
fParam7 = 0.50f;
@@ -41,16 +41,16 @@ mdaLeslie::mdaLeslie(audioMasterCallback audioMaster) : AudioEffectX(audioMaster
hbuf = new float[size];
fbuf1 = fbuf2 = 0.0f;
twopi = 6.2831853f;
-
- setNumInputs(2);
- setNumOutputs(2);
+
+ setNumInputs(2);
+ setNumOutputs(2);
setUniqueID("mdaLeslie"); // identify here
- DECLARE_LVZ_DEPRECATED(canMono) ();
- canProcessReplacing();
- suspend();
+ DECLARE_LVZ_DEPRECATED(canMono) ();
+ canProcessReplacing();
+ suspend();
- programs = new mdaLeslieProgram[numPrograms];
- if(programs)
+ programs = new mdaLeslieProgram[numPrograms];
+ if(programs)
{
programs[1].fParam1 = 0.33f;
programs[1].fParam5 = 0.75f;
@@ -66,7 +66,7 @@ mdaLeslie::mdaLeslie(audioMasterCallback audioMaster) : AudioEffectX(audioMaster
chp = dchp = clp = dclp = shp = dshp = slp = dslp = 0.0f;
lspd = 0.0f; hspd = 0.0f;
- lphi = 0.0f; hphi = 1.6f;
+ lphi = 0.0f; hphi = 1.6f;
setParameter(0, 0.66f);
}
@@ -76,7 +76,7 @@ bool mdaLeslie::getEffectName(char* name) { strcpy(name, "Leslie"); return t
void mdaLeslie::setParameter(LvzInt32 index, float value)
{
-
+
float ifs = 1.0f / getSampleRate();
float spd = twopi * ifs * 2.0f * fParam8;
@@ -96,25 +96,25 @@ void mdaLeslie::setParameter(LvzInt32 index, float value)
filo = 1.f - (float)pow(10.0f, fParam3 * (2.27f - 0.54f * fParam3) - 1.92f);
if(fParam1<0.50f)
- {
+ {
if(fParam1<0.1f) //stop
- {
+ {
lset = 0.00f; hset = 0.00f;
- lmom = 0.12f; hmom = 0.10f;
+ lmom = 0.12f; hmom = 0.10f;
}
else //low speed
- {
+ {
lset = 0.49f; hset = 0.66f;
lmom = 0.27f; hmom = 0.18f;
}
}
else //high speed
- {
+ {
lset = 5.31f; hset = 6.40f;
lmom = 0.14f; hmom = 0.09f;
}
hmom = (float)pow(10.0f, -ifs / hmom);
- lmom = (float)pow(10.0f, -ifs / lmom);
+ lmom = (float)pow(10.0f, -ifs / lmom);
hset *= spd;
lset *= spd;
@@ -129,23 +129,23 @@ void mdaLeslie::setParameter(LvzInt32 index, float value)
mdaLeslie::~mdaLeslie()
{
if(hbuf) delete [] hbuf;
- if(programs) delete [] programs;
+ if(programs) delete [] programs;
}
-void mdaLeslie::setProgram(LvzInt32 program)
+void mdaLeslie::setProgram(LvzInt32 program)
{
mdaLeslieProgram *p = &programs[program];
curProgram = program;
- setParameter(0, p->fParam1);
- setParameter(1, p->fParam7);
- setParameter(2, p->fParam9);
- setParameter(3, p->fParam4);
- setParameter(4, p->fParam5);
+ setParameter(0, p->fParam1);
+ setParameter(1, p->fParam7);
+ setParameter(2, p->fParam9);
+ setParameter(3, p->fParam4);
+ setParameter(4, p->fParam5);
setParameter(5, p->fParam6);
- setParameter(6, p->fParam3);
+ setParameter(6, p->fParam3);
setParameter(7, p->fParam2);
- setParameter(8, p->fParam8);
+ setParameter(8, p->fParam8);
setProgramName(p->name);
}
@@ -206,18 +206,18 @@ void mdaLeslie::getParameterDisplay(LvzInt32 index, char *text)
{
switch(index)
{
- case 0:
- if(fParam1<0.5f)
- {
- if(fParam1 < 0.1f) strcpy(text, "STOP");
+ case 0:
+ if(fParam1<0.5f)
+ {
+ if(fParam1 < 0.1f) strcpy(text, "STOP");
else strcpy(text, "SLOW");
- } else strcpy(text, "FAST"); break;
+ } else strcpy(text, "FAST"); break;
case 1: long2string((long)(100 * fParam7), text); break;
case 2: long2string((long)(100 * fParam9), text); break;
case 3: long2string((long)(100 * fParam4), text); break;
case 4: long2string((long)(100 * fParam5), text); break;
case 5: long2string((long)(100 * fParam6), text); break;
- case 6: long2string((long)(10*int((float)pow(10.0f,1.179f + fParam3))), text); break;
+ case 6: long2string((long)(10*int((float)pow(10.0f,1.179f + fParam3))), text); break;
case 7: long2string((long)(40 * fParam2 - 20), text); break;
case 8: long2string((long)(200 * fParam8), text); break;
}
@@ -242,7 +242,7 @@ void mdaLeslie::process(float **inputs, float **outputs, LvzInt32 sampleFrames)
float *in2 = inputs[1];
float *out1 = outputs[0];
float *out2 = outputs[1];
- float a, c, d, g=gain, h, l;
+ float a, c, d, g=gain, h, l;
float fo=filo, fb1=fbuf1, fb2=fbuf2;
float hl=hlev, hs=hspd, ht, hm=hmom, hp=hphi, hw=hwid, hd=hdep;
float ll=llev, ls=lspd, lt, lm=lmom, lp=lphi, lw=lwid;
@@ -257,40 +257,40 @@ void mdaLeslie::process(float **inputs, float **outputs, LvzInt32 sampleFrames)
shp = (float)sin(hp);
slp = (float)sin(lp);
- --in1;
- --in2;
+ --in1;
+ --in2;
--out1;
--out2;
while(--sampleFrames >= 0)
{
- a = *++in1 + *++in2;
+ a = *++in1 + *++in2;
c = out1[1];
d = out2[1]; //see processReplacing() for comments
- if(k) k--; else
+ if(k) k--; else
{
- ls = (lm * ls) + lt;
+ ls = (lm * ls) + lt;
hs = (hm * hs) + ht;
lp += k1 * ls;
hp += k1 * hs;
-
+
dchp = (float)cos(hp + k1*hs);
- dchp = k0 * (dchp * dchp * dchp - chp);
+ dchp = k0 * (dchp * dchp * dchp - chp);
dclp = k0 * ((float)cos(lp + k1*ls) - clp);
dshp = k0 * ((float)sin(hp + k1*hs) - shp);
dslp = k0 * ((float)sin(lp + k1*ls) - slp);
-
+
k=(long)k1;
}
fb1 = fo * (fb1 - a) + a;
- fb2 = fo * (fb2 - fb1) + fb1;
+ fb2 = fo * (fb2 - fb1) + fb1;
h = (g - hl * chp) * (a - fb2);
l = (g - ll * clp) * fb2;
- if(hps>0) hps--; else hps=200;
+ if(hps>0) hps--; else hps=200;
hint = hps + hd * (1.0f + chp);
- hdd = (int)hint;
+ hdd = (int)hint;
hint = hint - hdd;
hdd2 = hdd + 1;
if(hdd>199) { if(hdd>200) hdd -= 201; hdd2 -= 201; }
@@ -319,8 +319,8 @@ void mdaLeslie::process(float **inputs, float **outputs, LvzInt32 sampleFrames)
hpos = hps;
lphi = (float)fmod(lp+(k1-k)*ls,twopi);
hphi = (float)fmod(hp+(k1-k)*hs,twopi);
- if(fabs(fb1)>1.0e-10) fbuf1=fb1; else fbuf1=0.f;
- if(fabs(fb2)>1.0e-10) fbuf2=fb2; else fbuf2=0.f;
+ if(fabs(fb1)>1.0e-10) fbuf1=fb1; else fbuf1=0.f;
+ if(fabs(fb2)>1.0e-10) fbuf2=fb2; else fbuf2=0.f;
}
void mdaLeslie::processReplacing(float **inputs, float **outputs, LvzInt32 sampleFrames)
@@ -329,7 +329,7 @@ void mdaLeslie::processReplacing(float **inputs, float **outputs, LvzInt32 sampl
float *in2 = inputs[1];
float *out1 = outputs[0];
float *out2 = outputs[1];
- float a, c, d, g=gain, h, l;
+ float a, c, d, g=gain, h, l;
float fo=filo, fb1=fbuf1, fb2=fbuf2;
float hl=hlev, hs=hspd, ht, hm=hmom, hp=hphi, hw=hwid, hd=hdep;
float ll=llev, ls=lspd, lt, lm=lmom, lp=lphi, lw=lwid;
@@ -344,8 +344,8 @@ void mdaLeslie::processReplacing(float **inputs, float **outputs, LvzInt32 sampl
shp = (float)sin(hp);
slp = (float)sin(lp);
- --in1;
- --in2;
+ --in1;
+ --in2;
--out1;
--out2;
while(--sampleFrames >= 0)
@@ -358,24 +358,24 @@ void mdaLeslie::processReplacing(float **inputs, float **outputs, LvzInt32 sampl
hs = (hm * hs) + ht;
lp += k1 * ls;
hp += k1 * hs;
-
+
dchp = (float)cos(hp + k1*hs);
dchp = k0 * (dchp * dchp * dchp - chp); //sin^3 level mod
dclp = k0 * ((float)cos(lp + k1*ls) - clp);
dshp = k0 * ((float)sin(hp + k1*hs) - shp);
dslp = k0 * ((float)sin(lp + k1*ls) - slp);
-
+
k=(long)k1;
}
fb1 = fo * (fb1 - a) + a; //crossover
- fb2 = fo * (fb2 - fb1) + fb1;
+ fb2 = fo * (fb2 - fb1) + fb1;
h = (g - hl * chp) * (a - fb2); //volume
l = (g - ll * clp) * fb2;
if(hps>0) hps--; else hps=200; //delay input pos
- hint = hps + hd * (1.0f + chp); //delay output pos
- hdd = (int)hint;
+ hint = hps + hd * (1.0f + chp); //delay output pos
+ hdd = (int)hint;
hint = hint - hdd; //linear intrpolation
hdd2 = hdd + 1;
if(hdd>199) { if(hdd>200) hdd -= 201; hdd2 -= 201; }
@@ -384,7 +384,7 @@ void mdaLeslie::processReplacing(float **inputs, float **outputs, LvzInt32 sampl
a = *(hbuf + hdd);
h += a + hint * ( *(hbuf + hdd2) - a); //delay output
- c = l + h;
+ c = l + h;
d = l + h;
h *= hw * shp;
l *= lw * slp;
@@ -405,5 +405,5 @@ void mdaLeslie::processReplacing(float **inputs, float **outputs, LvzInt32 sampl
lphi = (float)fmod(lp+(k1-k)*ls,twopi);
hphi = (float)fmod(hp+(k1-k)*hs,twopi);
if(fabs(fb1)>1.0e-10) fbuf1=fb1; else fbuf1=0.0f; //catch denormals
- if(fabs(fb2)>1.0e-10) fbuf2=fb2; else fbuf2=0.0f;
+ if(fabs(fb2)>1.0e-10) fbuf2=fb2; else fbuf2=0.0f;
}