Move files around a bit more

src/viper/effects/PlaybackGain.h

@@ -0,0 +1,34 @@
+#pragma once
+
+#include <cstdint>
+#include "../utils/Biquad.h"
+
+class PlaybackGain {
+public:
+    PlaybackGain();
+
+    double AnalyseWave(float *samples, uint32_t size);
+    void Process(float *samples, uint32_t size);
+    void Reset();
+    void SetEnable(bool enable);
+    void SetMaxGainFactor(float maxGainFactor);
+    void SetRatio(float ratio);
+    void SetSamplingRate(uint32_t samplingRate);
+    void SetVolume(float volume);
+
+private:
+    float ratio2;
+    float unknown1;
+    uint32_t counterTo100;
+    float ratio1;
+    float volume;
+    float maxGainFactor;
+    float unknown2;
+    float unknown3;
+    Biquad biquad1;
+    Biquad biquad2;
+    uint32_t samplingRate;
+    bool enable;
+};
+
+