init

Source/DSP/EarlyReflections.h

@@ -0,0 +1,32 @@
+#pragma once
+#include <JuceHeader.h>
+#include "DSPConstants.h"
+#include "BiquadFilters.h"
+
+namespace FDNReverb {
+
+    struct ERTap {
+        float delaySamples{ 0.f };
+        float gainL{ 0.f };
+        float gainR{ 0.f };
+    };
+
+    class EarlyReflections {
+    public:
+        void prepare(const juce::dsp::ProcessSpec& spec);
+        void buildTaps(const AlgorithmPreset& preset, float roomSizeScale, double sampleRate);
+        void setPreDelay(float ms, double sampleRate) noexcept;
+
+        std::pair<float, float> tick(float mono) noexcept;
+        void reset() noexcept;
+
+    private:
+        juce::dsp::DelayLine<float, juce::dsp::DelayLineInterpolationTypes::Lagrange3rd> buf;
+        std::array<ERTap, ER_TAPS> taps;
+        int preDelaySamples{ 0 };
+
+        BiquadCoeffs erHPCoeffs, erLPCoeffs;
+        BiquadState  erHPL, erHPR, erLPL, erLPR;
+    };
+
+} // namespace FDNReverb