suyu/src/audio_core/delay_line.h

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#pragma once
#include "common/common_types.h"
namespace AudioCore {
class DelayLineBase {
public:
DelayLineBase();
~DelayLineBase();
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void Initialize(s32 max_delay_, float* src_buffer);
void SetDelay(s32 new_delay);
s32 GetDelay() const;
s32 GetMaxDelay() const;
f32 TapOut(s32 last_sample);
f32 Tick(f32 sample);
float* GetInput();
const float* GetInput() const;
f32 GetOutputSample() const;
void Clear();
void Reset();
protected:
float* buffer{nullptr};
float* buffer_end{nullptr};
s32 max_delay{};
float* input{nullptr};
float* output{nullptr};
s32 delay{};
};
class DelayLineAllPass final : public DelayLineBase {
public:
DelayLineAllPass();
~DelayLineAllPass();
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void Initialize(u32 delay, float coeffcient_, f32* src_buffer);
void SetCoefficient(float coeffcient_);
f32 Tick(f32 sample);
void Reset();
private:
float coefficient{};
};
} // namespace AudioCore