zynaddsubfx

commit c4e8d94c7c6a1675d26ed6220c74e84888ef9e6b
parent 7d97e859bffe470bdc177dc56f710f9aeae8a68a
Author: Johannes Lorenz <[email protected]>
Date:   Tue, 29 Oct 2019 21:58:59 +0100

FormanFilter: Increase readability

Diffstat:
M
src/DSP/FormantFilter.cpp
 | 
12
++++++------
M
src/DSP/FormantFilter.h
 | 
3
++-

2 files changed, 8 insertions(+), 7 deletions(-)
diff --git a/src/DSP/FormantFilter.cpp b/src/DSP/FormantFilter.cpp
@@ -66,7 +66,7 @@ FormantFilter::FormantFilter(const FilterParams *pars, Allocator *alloc, unsigne
     oldinput   = -1.0f;
     Qfactor = pars->getq();
     oldQfactor = Qfactor;
-    firsttime  = 1;
+    firsttime  = true;
 }
 
 FormantFilter::~FormantFilter()
@@ -93,7 +93,7 @@ void FormantFilter::setpos(float frequency)
     //Convert form real freq[Hz]
     const float input = log_2(frequency) - 9.96578428f; //log2(1000)=9.95748f.
 
-    if(firsttime != 0)
+    if(firsttime)
         slowinput = input;
     else
         slowinput = slowinput
@@ -101,8 +101,8 @@ void FormantFilter::setpos(float frequency)
 
     if((fabsf(oldinput - input) < 0.001f) && (fabsf(slowinput - input) < 0.001f)
        && (fabsf(Qfactor - oldQfactor) < 0.001f)) {
-        //	oldinput=input; daca setez asta, o sa faca probleme la schimbari foarte lente
-        firsttime = 0;
+        //	oldinput=input; setting this will cause problems at very slow changes
+        firsttime = false;
         return;
     }
     else
@@ -126,7 +126,7 @@ void FormantFilter::setpos(float frequency)
     p1 = sequence[p1].nvowel;
     p2 = sequence[p2].nvowel;
 
-    if(firsttime != 0) {
+    if(firsttime) {
         for(int i = 0; i < numformants; ++i) {
             currentformants[i].freq =
                 formantpar[p1][i].freq
@@ -140,7 +140,7 @@ void FormantFilter::setpos(float frequency)
                                       currentformants[i].q * Qfactor);
             oldformantamp[i] = currentformants[i].amp;
         }
-        firsttime = 0;
+        firsttime = false;
     }
     else
         for(int i = 0; i < numformants; ++i) {
diff --git a/src/DSP/FormantFilter.h b/src/DSP/FormantFilter.h
@@ -49,7 +49,8 @@ class FormantFilter:public Filter
 
         float oldformantamp[FF_MAX_FORMANTS];
 
-        int   sequencesize, numformants, firsttime;
+        int   sequencesize, numformants;
+        bool  firsttime;
         float oldinput, slowinput;
         float Qfactor, formantslowness, oldQfactor;
         float vowelclearness, sequencestretch;