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61 lines
1.2 KiB
61 lines
1.2 KiB
#pragma once
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#ifndef DSY_COMB_H
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#define DSY_COMB_H
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#ifdef __cplusplus
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#include "Utility/dsp.h"
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namespace daisysp
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{
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/** Comb filter module
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Original author(s) :
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Ported from soundpipe by Ben Sergentanis, May 2020
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*/
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class Comb
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{
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public:
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Comb() {}
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~Comb() {}
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/** Initializes the Comb module.
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\param sample_rate - The sample rate of the audio engine being run.
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\param buff - input buffer, kept in either main() or global space
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\param size - size of buff
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*/
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void Init(float sample_rate, float* buff, size_t size);
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/** processes the comb filter
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*/
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float Process(float in);
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/** Sets the period of the comb filter in seconds
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*/
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void SetPeriod(float looptime);
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/** Sets the frequency of the comb filter in Hz
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*/
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inline void SetFreq(float freq)
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{
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if(freq > 0)
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{
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SetPeriod(1.f / freq);
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}
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}
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/** Sets the decay time of the comb filter
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*/
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inline void SetRevTime(float revtime) { rev_time_ = revtime; }
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private:
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float sample_rate_, rev_time_, loop_time_, prvt_, coef_, max_loop_time_;
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float* buf_;
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size_t buf_pos_, mod_, max_size_;
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};
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} // namespace daisysp
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#endif
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#endif
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