diff options
Diffstat (limited to 'src/mdaTracker.cpp')
| -rw-r--r-- | src/mdaTracker.cpp | 106 |
1 files changed, 53 insertions, 53 deletions
diff --git a/src/mdaTracker.cpp b/src/mdaTracker.cpp index 160bf2f..0a8d028 100644 --- a/src/mdaTracker.cpp +++ b/src/mdaTracker.cpp @@ -20,11 +20,11 @@ mdaTracker::mdaTracker(audioMasterCallback audioMaster) : AudioEffectX(audioMast fParam7 = (float)0.50; //Trigger dB fParam8 = (float)0.50; //Output - setNumInputs(2); - setNumOutputs(2); + setNumInputs(2); + setNumOutputs(2); setUniqueID("mdaTracker"); // identify here - DECLARE_LVZ_DEPRECATED(canMono) (); - canProcessReplacing(); + DECLARE_LVZ_DEPRECATED(canMono) (); + canProcessReplacing(); strcpy(programName, "Pitch Tracker"); dphi = 100.f/getSampleRate(); //initial pitch @@ -43,13 +43,13 @@ void mdaTracker::setParameter(LvzInt32 index, float value) case 1: fParam2 = value; break; case 2: fParam3 = value; break; case 3: fParam4 = value; break; - case 4: fParam5 = 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); + 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); @@ -86,7 +86,7 @@ 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)); @@ -188,9 +188,9 @@ void mdaTracker::process(float **inputs, float **outputs, LvzInt32 sampleFrames) 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; long m=max, n=num, s=sig, mn=min, mo=mode; - - --in1; - --in2; + + --in1; + --in2; --out1; --out2; while(--sampleFrames >= 0) @@ -204,33 +204,33 @@ void mdaTracker::process(float **inputs, float **outputs, LvzInt32 sampleFrames) tmp = (x>0.f)? x : -x; //dynamics envelope e = (tmp>e)? 0.5f*(tmp + e) : e * re; - b1 = o*b1 + i*x; + b1 = o*b1 + i*x; b2 = o*b2 + b1; //low-pass filter - + if(b2>t) //if >thresh - { + { if(s<1) //and was <thresh { if(n<mn) //not long ago { tmp2 = b2 / (b2 - bo); //update period - tmp = trans*twopi/(n + dn - tmp2); - dp = dp + ddp * (tmp - dp); + tmp = trans*twopi/(n + dn - tmp2); + dp = dp + ddp * (tmp - dp); dn = tmp2; dsw = 0.3183098f * dp; - if(mode==4) + if(mode==4) { r1 = (float)cos(4.f*dp); //resonator r2 = (float)sin(4.f*dp); - } + } } n=0; //restart period measurement } s=1; } - else + else { - if(n>m) s=0; //now <thresh + if(n>m) s=0; //now <thresh } n++; bo=b2; @@ -238,26 +238,26 @@ void mdaTracker::process(float **inputs, float **outputs, LvzInt32 sampleFrames) p = (float)fmod(p+dp,twopi); switch(mo) { //sine - case 0: x=(float)sin(p); break; + case 0: x=(float)sin(p); break; //square - case 1: x=(sin(p)>0.f)? 0.5f : -0.5f; break; + case 1: x=(sin(p)>0.f)? 0.5f : -0.5f; break; //saw - case 2: sw = (float)fmod(sw+dsw,2.0f); x = sw - 1.f; break; + case 2: sw = (float)fmod(sw+dsw,2.0f); x = sw - 1.f; break; //ring - case 3: x *= (float)sin(p); break; + 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); + 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; } + 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; + num=(n>100000)? 100000: n; env=e; saw=sw; dsaw=dsw; res1=r1; res2=r2; } @@ -272,9 +272,9 @@ void mdaTracker::processReplacing(float **inputs, float **outputs, LvzInt32 samp 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; long m=max, n=num, s=sig, mn=min, mo=mode; - - --in1; - --in2; + + --in1; + --in2; --out1; --out2; while(--sampleFrames >= 0) @@ -286,33 +286,33 @@ void mdaTracker::processReplacing(float **inputs, float **outputs, LvzInt32 samp tmp = (x>0.f)? x : -x; //dynamics envelope e = (tmp>e)? 0.5f*(tmp + e) : e * re; - b1 = o*b1 + i*x; + b1 = o*b1 + i*x; b2 = o*b2 + b1; //low-pass filter - + if(b2>t) //if >thresh - { + { if(s<1) //and was <thresh { if(n<mn) //not long ago { tmp2 = b2 / (b2 - bo); //update period - tmp = trans*twopi/(n + dn - tmp2); - dp = dp + ddp * (tmp - dp); + tmp = trans*twopi/(n + dn - tmp2); + dp = dp + ddp * (tmp - dp); dn = tmp2; dsw = 0.3183098f * dp; - if(mode==4) + if(mode==4) { r1 = (float)cos(4.f*dp); //resonator r2 = (float)sin(4.f*dp); - } + } } n=0; //restart period measurement } s=1; } - else + else { - if(n>m) s=0; //now <thresh + if(n>m) s=0; //now <thresh } n++; bo=b2; @@ -320,25 +320,25 @@ void mdaTracker::processReplacing(float **inputs, float **outputs, LvzInt32 samp p = (float)fmod(p+dp,twopi); switch(mo) { //sine - case 0: x=(float)sin(p); break; + case 0: x=(float)sin(p); break; //square - case 1: x=(sin(p)>0.f)? 0.5f : -0.5f; break; + case 1: x=(sin(p)>0.f)? 0.5f : -0.5f; break; //saw - case 2: sw = (float)fmod(sw+dsw,2.0f); x = sw - 1.f; break; + case 2: sw = (float)fmod(sw+dsw,2.0f); x = sw - 1.f; break; //ring - case 3: x *= (float)sin(p); break; + 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); + 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; } + 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; + num=(n>100000)? 100000: n; env=e; saw=sw; dsaw=dsw; res1=r1; res2=r2; } |