insertion_effect.hpp

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#pragma once
 
#include "tabulasonora/rom_image.hpp"
 
#include <array>
#include <cstdint>
#include <memory>
#include <span>
#include <string>
#include <vector>
 
namespace ts {

struct EfxRecord {
    std::string name;

    std::uint16_t type_key = 0xFFFF;

    std::uint16_t dispatch = 1;

    std::array<std::uint8_t, 0x1C> defaults{};
};

class InsertionEffect {
public:
    static constexpr int register_count = 0x180;

    static constexpr int parameter_bytes = 0x20;
 
    explicit InsertionEffect(const RomImage& rom);
    ~InsertionEffect();
 
    InsertionEffect(InsertionEffect&&) noexcept;
    InsertionEffect& operator=(InsertionEffect&&) noexcept;

    [[nodiscard]] const std::vector<EfxRecord>& directory() const;

    void select_type(int msb, int lsb);

    void set_parameter(int address, int value);

    [[nodiscard]] const EfxRecord& current() const;

    [[nodiscard]] bool implemented() const;

    [[nodiscard]] double reverb_send() const noexcept;
    [[nodiscard]] double chorus_send() const noexcept;
    [[nodiscard]] double delay_send() const noexcept;

    void process(std::span<const float> in_left,
                 std::span<const float> in_right,
                 std::span<float> out_left,
                 std::span<float> out_right);

    void reset();
 
private:
    struct Impl;
    std::unique_ptr<Impl> impl_;
};
 
} // namespace ts