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bugfix: clipper now uses threshold consistently

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This commit is contained in:
Liam Kerr 2026-08-03 15:43:02 +01:00
parent 34efab4d8e
commit e1274e7be7
2 changed files with 12 additions and 12 deletions
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18
core/Clipper.cpp
View file

@ -2,7 +2,7 @@
#include <cmath>
Clipper::Clipper(float init_clip, ClipperMode init_mode)
: clip_(init_clip), mode_(init_mode) {}
: threshold_(init_clip), mode_(init_mode) {}
void Clipper::process(const float *in, float *out, uint32_t frames) {
for (uint32_t i = 0; i < frames; ++i) {
@ -21,19 +21,19 @@ float Clipper::clip(const float in) {
switch (mode_) {
default:
case kClipperModeHard: {
return std::fmin(std::fmax(in, -clip_), clip_);
return std::fmin(std::fmax(in, -threshold_), threshold_);
}
case kClipperModeSoft: {
float normalized = (in / clip_) * 0.75f;
return std::tanh(normalized) * clip_;
float normalized = (in / threshold_) * 0.75f;
return std::tanh(normalized) * threshold_;
}
case kClipperModeFold: {
float x = in;
while (x > clip_ || x < -clip_) {
if (x > clip_) {
x = 2.0f * clip_ - x;
} else if (x < -clip_) {
x = -2.0f * clip_ - x;
while (x > threshold_ || x < -threshold_) {
if (x > threshold_) {
x = 2.0f * threshold_ - x;
} else if (x < -threshold_) {
x = -2.0f * threshold_ - x;
}
}
return x;

6
core/Clipper.hpp
View file

@ -19,13 +19,13 @@ public:
float *outRight, uint32_t frames);
private:
float clip_;
float threshold_;
float clip(const float in);
ClipperMode mode_;
public:
void setGain(float c) { clip_ = c; }
float getGain() const { return clip_; }
void setThreshold(float c) { threshold_ = c; }
float getThreshold() const { return threshold_; }
void setMode(ClipperMode m) { mode_ = m; }
ClipperMode getMode() const { return mode_; }
};