Added DaisySP

2026-04-24 14:46:05 +02:00
parent 82190216c3
commit dd63b3aed4
96 changed files with 10613 additions and 0 deletions
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+/*
+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_STRINGVOICE_H
+#define DSY_STRINGVOICE_H
+
+#include "Filters/svf.h"
+#include "PhysicalModeling/KarplusString.h"
+#include "Noise/dust.h"
+#include <stdint.h>
+#ifdef __cplusplus
+
+/** @file stringvoice.h */
+
+namespace daisysp
+{
+/**  
+       @brief Extended Karplus-Strong, with all the niceties from Rings 
+       @author Ben Sergentanis
+       @date Jan 2021
+       Ported from pichenettes/eurorack/plaits/dsp/physical_modelling/string_voice.h \n
+       and pichenettes/eurorack/plaits/dsp/physical_modelling/string_voice.cc \n
+       to an independent module. \n
+       Original code written by Emilie Gillet in 2016. \n
+*/
+class StringVoice
+{
+  public:
+    StringVoice() {}
+    ~StringVoice() {}
+
+    /** Initialize the module
+        \param sample_rate Audio engine sample rate
+    */
+    void Init(float sample_rate);
+
+    /** Reset the string oscillator */
+    void Reset();
+
+    /** Get the next sample
+        \param trigger Strike the string. Defaults to false.
+    */
+    float Process(bool trigger = false);
+
+    /** Continually excite the string with noise.
+        \param sustain True turns on the noise.
+    */
+    void SetSustain(bool sustain);
+
+    /** Strike the string. */
+    void Trig();
+
+    /** Set the string root frequency.
+        \param freq Frequency in Hz.
+    */
+    void SetFreq(float freq);
+
+    /** Hit the string a bit harder. Influences brightness and decay.
+        \param accent Works 0-1.
+    */
+    void SetAccent(float accent);
+
+    /** Changes the string's nonlinearity (string type).
+        \param structure Works 0-1. 0-.26 is curved bridge, .26-1 is dispersion.
+    */
+    void SetStructure(float structure);
+
+    /** Set the brighness of the string, and the noise density.
+        \param brightness Works best 0-1
+    */
+    void SetBrightness(float brightness);
+
+    /** How long the resonant body takes to decay relative to the accent level.
+        \param damping Works best 0-1. Full damp is only achieved with full accent.
+    */
+    void SetDamping(float damping);
+
+    /** Get the raw excitation signal. Must call Process() first. */
+    float GetAux();
+
+  private:
+    float sample_rate_;
+
+    bool  sustain_, trig_;
+    float f0_, brightness_, damping_;
+    float density_, accent_;
+    float aux_;
+
+    Dust   dust_;
+    Svf    excitation_filter_;
+    String string_;
+    size_t remaining_noise_samples_;
+};
+} // namespace daisysp
+#endif
+#endif