AudioFrame.clamp, SVFilter.normalize

notes

@@ -32,13 +32,8 @@ parameters {
 
 TODO {
     immediate frontburner {
-        - fix warnings in mixboard
-        - decide whether to standardize knob setup orderings
-        - bump gain knob max to +12dB
-        - preset function for gain and balance? autoGain (templated because bind)
-        
-        SVFilter::normalize()
-        ^ AudioFrame::clamp()
+        - SVFilter::normalize()
+        - AudioFrame::clamp()
         
         revert action
         
@@ -102,6 +97,8 @@ TODO {
     }
     
     misc features needed before proper release {
+        ABOUT BOX WITH INCLIB LICENSE NOTICES
+        
         expand/compact pattern 2x/3x, keeping fold interval
         
         at *least* js plugin support, with lua+lv2 highly preferable

xybrid/data/audioframe.h

@@ -1,10 +1,12 @@
 #pragma once
 
+#include <algorithm>
+
 namespace Xybrid::Data {
     struct AudioFrame {
         // stored as double here for operational precision
-        double l = 0;
-        double r = 0;
+        double l = 0.0;
+        double r = 0.0;
 
         inline AudioFrame() = default;
         inline AudioFrame(double v) : l(v), r(v) { }
@@ -45,6 +47,8 @@ namespace Xybrid::Data {
             r *= m;
         }
 
+        inline AudioFrame clamp(double m = 1.0) { return { std::clamp(l, -m, m), std::clamp(r, -m, m) }; }
+
         static AudioFrame gainBalanceMult(double gain, double balance = 0.0);
         inline AudioFrame gainBalance(double gain, double balance = 0.0) const { return *this*gainBalanceMult(gain, balance); }
     };

xybrid/nodelib/svfilter.h

@@ -26,6 +26,12 @@ namespace Xybrid::NodeLib {
 
         void process(Data::AudioFrame in, double freq, double res, int oversamp = DEFAULT_OVERSAMP);
         inline void reset() { low = 0.0; high = 0.0; band = 0.0; notch = 0.0; }
+        inline void normalize(double m = 1.0) {
+            low = low.clamp(m);
+            high = high.clamp(m);
+            band = band.clamp(m);
+            notch = notch.clamp(m);
+        }
 
         static inline double scaledResonance(double r) { return std::pow(10, r*5); }
     };