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_BD_H
+#define DSY_ANALOG_BD_H
+
+#include <stdint.h>
+#ifdef __cplusplus
+
+#include "Synthesis/oscillator.h"
+#include "Filters/svf.h"
+
+/** @file analogbassdrum.h */
+
+namespace daisysp
+{
+/**  
+       @brief 808 bass drum model, revisited.
+       @author Ben Sergentanis
+       @date Jan 2021 
+       Ported from pichenettes/eurorack/plaits/dsp/drums/analog_bass_drum.h \n
+       to an independent module. \n
+       Original code written by Emilie Gillet in 2016. \n
+*/
+class AnalogBassDrum
+{
+  public:
+    AnalogBassDrum() {}
+    ~AnalogBassDrum() {}
+
+    /** Initialize the module
+        \param sample_rate Audio engine sample rate
+    */
+    void Init(float sample_rate);
+
+    /** Get the next sample.
+        \param trigger True strikes the drum. Defaults to false.
+    */
+    float Process(bool trigger = false);
+
+    /** Strikes the drum. */
+    void Trig();
+
+    /** Set the bassdrum to play infinitely
+        \param sustain True = infinite length
+    */
+    void SetSustain(bool sustain);
+
+    /** Set a small accent.
+        \param accent Works 0-1
+    */
+    void SetAccent(float accent);
+
+    /** Set the drum's root frequency
+        \param f0 Frequency in Hz
+    */
+    void SetFreq(float f0);
+
+    /** Set the amount of click.
+        \param tone Works 0-1.
+    */
+    void SetTone(float tone);
+
+    /** Set the decay length of the drum.
+        \param decay Works best 0-1.
+    */
+    void SetDecay(float decay);
+
+    /** Set the amount of fm attack. Works together with self fm.
+        \param attack_fm_amount Works best 0-1.
+    */
+    void SetAttackFmAmount(float attack_fm_amount);
+
+    /**Set the amount of self fm. Also affects fm attack, and volume decay.
+        \param self_fm_amount Works best 0-1.
+    */
+    void SetSelfFmAmount(float self_fm_amount);
+
+  private:
+    inline float Diode(float x);
+
+    float sample_rate_;
+
+    float accent_, f0_, tone_, decay_;
+    float attack_fm_amount_, self_fm_amount_;
+
+    bool trig_, sustain_;
+
+    int   pulse_remaining_samples_;
+    int   fm_pulse_remaining_samples_;
+    float pulse_;
+    float pulse_height_;
+    float pulse_lp_;
+    float fm_pulse_lp_;
+    float retrig_pulse_;
+    float lp_out_;
+    float tone_lp_;
+    float sustain_gain_;
+
+    Svf resonator_;
+
+    //for use in sin + cos osc. in sustain mode
+    float phase_;
+};
+} // namespace daisysp
+#endif
+#endif