zynaddsubfx

commit 628c82275fa57908ed2c998a5831e9f97490f231
parent 8773b26df67fa08086e6c68fc144338d4e37f837
Author: Christopher A. Oliver <[email protected]>
Date:   Fri, 20 Nov 2015 03:38:49 -0500

Compute carrier waveform range.
This will help pre-biasing for mod section.

Diffstat:
M
src/Synth/ADnote.cpp
 | 
12
++++++++++++
M
src/Synth/ADnote.h
 | 
3
+++

2 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/src/Synth/ADnote.cpp b/src/Synth/ADnote.cpp
@@ -286,6 +286,18 @@ ADnote::ADnote(ADnoteParameters *pars_, SynthParams &spars)
                                              getvoicebasefreq(nvoice),
                                              pars.VoicePar[nvoice].Presonance);
 
+        //Find range of generated wave
+        float min = NoteVoicePar[nvoice].OscilSmp[0];
+        float max = min;
+        float *smpls = &(NoteVoicePar[nvoice].OscilSmp[1]);
+        for (int i = synth.oscilsize-1; i--; smpls++)
+            if (*smpls > max)
+                max = *smpls;
+            else if (*smpls < min)
+                min = *smpls;
+        NoteVoicePar[nvoice].OscilSmpMin = min;
+        NoteVoicePar[nvoice].OscilSmpMax = max;
+
         //I store the first elments to the last position for speedups
         for(int i = 0; i < OSCIL_SMP_EXTRA_SAMPLES; ++i)
             NoteVoicePar[nvoice].OscilSmp[synth.oscilsize
diff --git a/src/Synth/ADnote.h b/src/Synth/ADnote.h
@@ -187,6 +187,9 @@ class ADnote:public SynthNote
             /* Waveform of the Voice */
             float *OscilSmp;
 
+            /* Range of waveform */
+            float OscilSmpMin, OscilSmpMax;
+
             /************************************
             *     FREQUENCY PARAMETERS          *
             ************************************/