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_ANALOG_SNARE_H
+#define DSY_ANALOG_SNARE_H
+
+#include "Filters/svf.h"
+
+#include <stdint.h>
+#ifdef __cplusplus
+
+/** @file analogsnaredrum.h */
+
+namespace daisysp
+{
+/**  
+       @brief 808 snare drum model, revisited.
+       @author Ben Sergentanis
+       @date Jan 2021
+       Ported from pichenettes/eurorack/plaits/dsp/drums/analog_snare_drum.h \n
+       to an independent module. \n
+       Original code written by Emilie Gillet in 2016. \n
+*/
+class AnalogSnareDrum
+{
+  public:
+    AnalogSnareDrum() {}
+    ~AnalogSnareDrum() {}
+
+    static const int kNumModes = 5;
+
+    /** Init the module
+        \param sample_rate Audio engine sample rate
+    */
+    void Init(float sample_rate);
+
+    /** Get the next sample
+        \param trigger Hit the drum with true. Defaults to false.
+    */
+    float Process(bool trigger = false);
+
+    /** Trigger the drum */
+    void Trig();
+
+    /** Init the module
+        \param sample_rate Audio engine sample rate
+    */
+    void SetSustain(bool sustain);
+
+    /** Set how much accent to use
+        \param accent Works 0-1.
+    */
+    void SetAccent(float accent);
+
+    /** Set the drum's root frequency
+        \param f0 Freq in Hz
+    */
+    void SetFreq(float f0);
+
+    /** Set the brightness of the drum tone.
+        \param tone Works 0-1. 1 = bright, 0 = dark.
+    */
+    void SetTone(float tone);
+
+    /** Set the length of the drum decay
+        \param decay Works with positive numbers
+    */
+    void SetDecay(float decay);
+
+    /** Sets the mix between snare and drum.
+        \param snappy 1 = just snare. 0 = just drum.
+    */
+    void SetSnappy(float snappy);
+
+  private:
+    float sample_rate_;
+
+    float f0_, tone_, accent_, snappy_, decay_;
+    bool  sustain_;
+    bool  trig_;
+
+    inline float SoftLimit(float x);
+    inline float SoftClip(float x);
+
+    int   pulse_remaining_samples_;
+    float pulse_;
+    float pulse_height_;
+    float pulse_lp_;
+    float noise_envelope_;
+    float sustain_gain_;
+
+    Svf resonator_[kNumModes];
+    Svf noise_filter_;
+
+    // Replace the resonators in "free running" (sustain) mode.
+    float phase_[kNumModes];
+};
+} // namespace daisysp
+#endif
+#endif