temp-cortex limiter dump

2026-08-01 15:09:30 -04:00
parent ae9019465e
commit 3ad30942a7
4 changed files with 204 additions and 0 deletions
@@ -0,0 +1,35 @@
+#pragma once
+
+#include "limiter_base.hpp"
+#include "CircularBuffer.h"
+
+class FastLimiter : public LimiterBase
+{
+    protected:
+        // Lookahead buffer for clean limiting
+        CircularBuffer<float, uint8_t>* delayBufferLeft;
+        CircularBuffer<float, uint8_t>* delayBufferRight;
+        
+        // Lookahead parameters
+        float lookaheadMs;
+        uint8_t lookaheadSamples;
+        
+        // Envelope following
+        float envelope;
+        float peakHold;
+        uint8_t peakHoldCounter;
+        uint8_t peakHoldSamples;
+        
+        // Internal gain smoothing
+        float currentGain;
+        
+    public:
+        FastLimiter(float sampleRate, float lookaheadMs = 5.0f);
+        ~FastLimiter();
+        
+        void setPeakHold(float peakHoldMs);
+        void process(float input[2], float thresholdDb = -3.0f, float ceilingDb = -0.1f) override;
+        
+    private:
+        float analyzeLevel(float left, float right);
+};