portemento, adsr

Source/port.h

@@ -0,0 +1,42 @@
+/*
+  ==============================================================================
+
+    port.h
+    Created: 25 Oct 2025 2:09:16pm
+    Author:  mickl
+
+  ==============================================================================
+*/
+
+#pragma once
+class Port
+{
+public:
+    Port() {}
+    ~Port() {}
+    /** Initializes Port module
+
+        \param sample_rate: sample rate of audio engine
+        \param htime: half-time of the function, in seconds.
+    */
+
+    void Init(float sample_rate, float htime);
+
+    /** Applies portamento to input signal and returns processed signal.
+        \return slewed output signal
+    */
+    float Process(float in);
+
+
+    /** Sets htime
+    */
+    inline void SetHtime(float htime) { htime_ = htime; }
+    /** returns current value of htime
+    */
+    inline float GetHtime() { return htime_; }
+
+private:
+    float htime_;
+    float c1_, c2_, yt1_, prvhtim_;
+    float sample_rate_, onedsr_;
+};