49 lines
933 B
C
49 lines
933 B
C
|
#pragma once
|
||
|
|
||
|
#include <cstdint>
|
||
|
#include <vector>
|
||
|
#include <iterator>
|
||
|
#include <cmath>
|
||
|
|
||
|
using std::vector;
|
||
|
using std::iterator_traits;
|
||
|
|
||
|
using std::sin;
|
||
|
using std::cos;
|
||
|
|
||
|
class Generator
|
||
|
{
|
||
|
public:
|
||
|
virtual void getSamples(const uint16_t nSamples, float *buf) = 0;
|
||
|
virtual ~Generator();
|
||
|
|
||
|
// disallow copy of virtual interface
|
||
|
Generator(Generator const &) = delete;
|
||
|
Generator &operator=(Generator const &) = delete;
|
||
|
|
||
|
protected:
|
||
|
Generator(uint32_t _sampleRate, float _frequency, float _amplitude);
|
||
|
uint32_t sampleRate;
|
||
|
float frequency;
|
||
|
float amplitude;
|
||
|
|
||
|
private:
|
||
|
};
|
||
|
|
||
|
class SineGenerator : public Generator
|
||
|
{
|
||
|
public:
|
||
|
SineGenerator(uint32_t _sampleRate, float _frequency, float _amplitude);
|
||
|
void getSamples(uint16_t nSamples, float *buf) final;
|
||
|
virtual ~SineGenerator();
|
||
|
|
||
|
private:
|
||
|
uint32_t tick;
|
||
|
float phaseIncr;
|
||
|
};
|
||
|
|
||
|
class SineSynth
|
||
|
{
|
||
|
private:
|
||
|
vector<SineGenerator> generators;
|
||
|
};
|