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diff --git a/plugins/LV2/src/Gatelope/Gatelope.h b/plugins/LV2/src/Gatelope/Gatelope.h
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+#ifndef __Gatelope_H
+#define __Gatelope_H
+
+#include <lv2plugin.h>
+
+class Gatelope : public LV2Plugin<5> {
+public:
+ Gatelope(double rate);
+
+ void activate();
+ void run(uint32_t num_samples);
+
+ static constexpr const char * URI = "https://www.airwindows.com/gatelope";
+
+private:
+ /*
+ * These are the original DSP functions from the VST plugin.
+ * They need to be called from the LV2 plugins `run` function.
+ */
+ void processReplacing(float **in, float **out, VstInt32 samples);
+ void processDoubleReplacing(double **in, double **out, VstInt32 samples);
+
+ /*
+ * Members needed by the processing functions.
+ */
+
+ double iirLowpassAR;
+ double iirLowpassBR;
+ double iirHighpassAR;
+ double iirHighpassBR;
+ double iirLowpassAL;
+ double iirLowpassBL;
+ double iirHighpassAL;
+ double iirHighpassBL;
+ double treblefreq;
+ double bassfreq;
+ bool flip;
+ long double fpNShapeL;
+ long double fpNShapeR;
+ //default stuff
+
+ float A;
+ float B;
+ float C;
+ float D;
+ float E; //parameters. Always 0-1, and we scale/alter them elsewhere.
+
+};
+
+#endif