Added DaisySP

2026-04-24 14:46:05 +02:00
parent 82190216c3
commit dd63b3aed4
96 changed files with 10613 additions and 0 deletions
@@ -0,0 +1,84 @@
+/*
+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_ZOSCILLATOR_H
+#define DSY_ZOSCILLATOR_H
+
+#include <stdint.h>
+#ifdef __cplusplus
+
+/** @file zoscillator.h */
+namespace daisysp
+{
+/**  
+    @brief     ZOscillator Module \n 
+    @author Ben Sergentanis
+    @date Dec 2020 
+    Sinewave multiplied by and sync'ed to a carrier. \n \n
+    Ported from pichenettes/eurorack/plaits/dsp/oscillator/z_oscillator.h \n 
+    \n to an independent module. \n
+    Original code written by Emilie Gillet in 2016. \n
+*/
+class ZOscillator
+{
+  public:
+    ZOscillator() {}
+    ~ZOscillator() {}
+
+    /** Init ZOscillator module
+        \param sample_rate Audio engine sample rate.
+    */
+    void Init(float sample_rate);
+
+    /** Get next sample
+    */
+    float Process();
+
+    /** Set the carrier frequency
+        \param freq Frequency in Hz.
+    */
+    void SetFreq(float freq);
+
+    /** Set the formant osc. freq
+        \param freq Frequency in Hz.
+    */
+    void SetFormantFreq(float freq);
+
+    /** Adjust the contour of the waveform.
+        \param shape Waveshape to set. Works best 0-1.
+    */
+    void SetShape(float shape);
+
+    /** Set the offset amount and phase shift. \n
+        < 1/3 is just phase shift, > 2/3 is just offset, and between them is both. \n
+        \param mode Mode to set. Works best -1 to 1
+    */
+    void SetMode(float mode);
+
+  private:
+    inline float Sine(float phase);
+    inline float Z(float c, float d, float f, float shape, float mode);
+
+    float sample_rate_;
+
+    // Oscillator state.
+    float carrier_phase_;
+    float discontinuity_phase_;
+    float formant_phase_;
+    float next_sample_;
+
+    // For interpolation of parameters.
+    float carrier_frequency_;
+    float formant_frequency_;
+    float carrier_shape_, shape_new_;
+    float mode_, mode_new_;
+};
+} // namespace daisysp
+#endif
+#endif