looper/backends/playback/fluidsynth/fluidsynth_backend.hpp

#pragma once
#include "playback_backend.hpp"
#include <omp.h>
#include <cstdint>
#include <stddef.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <streambuf>
#include <vector>
#include <util.hpp>
#include <SDL.h>
#include "file_backend.hpp"
#include <fluidsynth.h>
class FluidSynthBackend : public PlaybackBackend {
    File *file;
    static void fluidsynth_get_property_list_wrapper(void *udata, const char *name, int type);
    std::vector<Property> fluidsynth_properties;
    fluid_settings_t *settings;
    void fluidsynth_get_property_list(const char *name, int type);
    public:
    void set_fluidsynth_property_str(std::string path, std::string val);
    void set_fluidsynth_property_num(std::string path, double val);
    void set_fluidsynth_property_int(std::string path, int val);
    std::string get_fluidsynth_property_str(std::string path);
    double get_fluidsynth_property_num(std::string path);
    int get_fluidsynth_property_int(std::string path);
    inline std::string get_id() override {
        return "fluidsynth";
    }
    inline std::string get_name() override {
        return "MIDI player";
    }
    std::vector<Property> get_property_list() override;
    void seek(double position) override;
    void load(const char *filename) override;
    void switch_stream(int idx) override;
    void cleanup() override;
    int get_stream_idx() override;
    size_t render(void *buf, size_t maxlen) override;
    double get_position() override;
    inline double get_length() override {
        return length;
    }
    inline ~FluidSynthBackend() override { }
};