You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
61 lines
1.2 KiB
61 lines
1.2 KiB
4 years ago
|
#pragma once
|
||
|
|
#ifndef DSY_TREMOLO_H
|
||
|
|
#define DSY_TREMOLO_H
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
#ifdef __cplusplus
|
||
|
|
|
||
|
|
#include <math.h>
|
||
|
|
#include "Synthesis/oscillator.h"
|
||
|
|
|
||
|
|
/** @file tremolo.h */
|
||
|
|
|
||
|
|
namespace daisysp
|
||
|
|
{
|
||
|
|
/**
|
||
|
|
@brief Tremolo effect.
|
||
|
|
@author Ben Sergentanis
|
||
|
|
@date Jan 2021
|
||
|
|
Based on https://christianfloisand.wordpress.com/2012/04/18/coding-some-tremolo/ \n
|
||
|
|
*/
|
||
|
|
class Tremolo
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
Tremolo() {}
|
||
|
|
~Tremolo() {}
|
||
|
|
|
||
|
|
/** Initializes the module
|
||
|
|
\param sample_rate The sample rate of the audio engine being run.
|
||
|
|
*/
|
||
|
|
void Init(float sample_rate);
|
||
|
|
|
||
|
|
/**
|
||
|
|
\param in Input sample.
|
||
|
|
\return Next floating point sample.
|
||
|
|
*/
|
||
|
|
float Process(float in);
|
||
|
|
|
||
|
|
/** Sets the tremolo rate.
|
||
|
|
\param freq Tremolo freq in Hz.
|
||
|
|
*/
|
||
|
|
void SetFreq(float freq);
|
||
|
|
|
||
|
|
/** Shape of the modulating lfo
|
||
|
|
\param waveform Oscillator waveform. Use Oscillator::WAVE_SIN for example.
|
||
|
|
*/
|
||
|
|
void SetWaveform(int waveform);
|
||
|
|
|
||
|
|
/** How much to modulate your volume.
|
||
|
|
\param depth Works 0-1.
|
||
|
|
*/
|
||
|
|
void SetDepth(float depth);
|
||
|
|
|
||
|
|
|
||
|
|
private:
|
||
|
|
float sample_rate_, dc_os_;
|
||
|
|
Oscillator osc_;
|
||
|
|
};
|
||
|
|
} // namespace daisysp
|
||
|
|
#endif
|
||
|
|
#endif
|