Added DaisySP

daisysp/Effects/sampleratereducer.h

@@ -0,0 +1,56 @@
+/*
+Copyright (c) 2020 Electrosmith, Corp, Emilie Gillet
+
+Use of this source code is governed by an MIT-style
+license that can be found in the LICENSE file or at
+https://opensource.org/licenses/MIT.
+*/
+
+#pragma once
+#ifndef DSY_SR_REDUCER_H
+#define DSY_SR_REDUCER_H
+
+#include <stdint.h>
+#ifdef __cplusplus
+
+/** @file sampleratereducer.h */
+
+namespace daisysp
+{
+/** 
+       @brief Sample rate reducer.
+       @author Ben Sergentanis
+       @date Jan 2021
+       Ported from pichenettes/eurorack/plaits/dsp/fx/sample_rate_reducer.h \n
+       to an independent module. \n
+       Original code written by Emilie Gillet in 2014. \n
+*/
+class SampleRateReducer
+{
+  public:
+    SampleRateReducer() {}
+    ~SampleRateReducer() {}
+
+    /** Initialize the module */
+    void Init();
+
+    /** Get the next floating point sample 
+        \param in Sample to be processed.
+    */
+    float Process(float in);
+
+    /** Set the new sample rate.
+        \param frequency over 0-1. 1 is full quality, .5 is half sample rate, etc.
+    */
+    void SetFreq(float frequency);
+
+  private:
+    float frequency_;
+    float phase_;
+    float sample_;
+    float previous_sample_;
+    float next_sample_;
+};
+} // namespace daisysp
+#endif
+#endif