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74 lines
1.6 KiB
74 lines
1.6 KiB
4 years ago
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#pragma once
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#ifndef DSY_VOSIM_H
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#define DSY_VOSIM_H
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#include <stdint.h>
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#ifdef __cplusplus
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/** @file vosim.h */
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namespace daisysp
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{
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/**
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@brief Vosim Oscillator Module \n
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@author Ben Sergentanis
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@date Dec 2020
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Two sinewaves multiplied by and sync'ed to a carrier. \n \n
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Ported from pichenettes/eurorack/plaits/dsp/oscillator/vosim_oscillator.h \n
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\n to an independent module. \n
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Original code written by Emilie Gillet in 2016. \n
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*/
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class VosimOscillator
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{
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public:
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VosimOscillator() {}
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~VosimOscillator() {}
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/** Initializes the FormantOscillator module.
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\param sample_rate - The sample rate of the audio engine being run.
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*/
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void Init(float sample_rate);
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/** Get the next sample
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*/
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float Process();
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/** Set carrier frequency.
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\param freq Frequency in Hz.
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*/
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void SetFreq(float freq);
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/** Set formant 1 frequency.
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\param freq Frequency in Hz.
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*/
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void SetForm1Freq(float freq);
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/** Set formant 2 frequency.
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\param freq Frequency in Hz.
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*/
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void SetForm2Freq(float freq);
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/** Waveshaping
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\param shape Shape to set. Works -1 to 1
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*/
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void SetShape(float shape);
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private:
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float Sine(float phase);
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float sample_rate_;
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// Oscillator state.
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float carrier_phase_;
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float formant_1_phase_;
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float formant_2_phase_;
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// For interpolation of parameters.
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float carrier_frequency_;
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float formant_1_frequency_;
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float formant_2_frequency_;
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float carrier_shape_;
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};
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} // namespace daisysp
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#endif
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#endif
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