sf2.hpp

#ifndef SF2_HPP
#define SF2_HPP

#include <stdio.h>
#include <stdint.h>
#include "sf2_types.hpp"

class InfoListChunk;
class SdtaListChunk;
class HydraChunk;
class sfPresetHeader;
class sfBag;
class sfInst;

// This is our own type, not part of the specification
typedef enum
{
    UNSIGNED_8,
    SIGNED_8,
    SIGNED_16,
    GAMEBOY_CH3,
    BDPCM
}
SampleType;

class SF2
{
    uint32_t size;
// Instrument and samples objects
//	SF2Instr& instruments;
//	gba_samples& samples;

    //All 3 chunks of the SF2 file
    InfoListChunk *const infolist_chunk;
    SdtaListChunk *const sdtalist_chunk;
    HydraChunk *const pdtalist_chunk;

    void add_terminals();

// Forbid copy and affectation
    SF2(SF2&);
    SF2& operator=(SF2&);

public:
    //Target file, should be assigned to a valid opened FILE in "wb" mode by user before "write()" is called.
    FILE *out;
    unsigned int default_sample_rate;

    SF2(unsigned int sample_rate = 22050);
    ~SF2();
    void write(FILE *outfile);
    void add_new_preset(const char *name, int Patch, int Bank);
    void add_new_instrument(const char *name);
    void add_new_inst_bag();
    void add_new_preset_bag();
    
    void add_new_preset_modulator();
    void add_new_preset_modulator(SFModulator srcMod, SFModulator amtMod, uint16_t modAmount, SFGenerator destGen, SFTransform sfModTransOper=SFTransform::linear);
    void add_new_preset_generator();
    void add_new_preset_generator(SFGenerator operation, uint16_t value);
    void add_new_preset_generator(SFGenerator operation, uint8_t lo, uint8_t hi);
    
    void add_new_inst_modulator();
    void add_new_inst_modulator(SFModulator srcMod, SFModulator amtMod, uint16_t modAmount, SFGenerator destGen, SFTransform sfModTransOper=SFTransform::linear);
    void add_new_inst_generator();
    void add_new_inst_generator(SFGenerator operation, uint16_t value);
    void add_new_inst_generator(SFGenerator operation, uint8_t lo, uint8_t hi);
    
    void add_new_sample_header(const char *name, int start, int end, int start_loop, int end_loop, int sample_rate, int original_pitch, int pitch_correction);

    void add_new_sample(FILE *file, SampleType type, const char *name, uint32_t pointer, uint32_t size, bool loop_flag,
                        uint32_t loop_start, uint32_t loop_end, uint32_t original_pitch, uint32_t pitch_correction, uint32_t sample_rate);
    void add_new_sample(void *mem, SampleType type, const char *name, uint32_t pointer, uint32_t size, bool loop_flag,
                        uint32_t loop_start, uint32_t loop_end, uint32_t original_pitch, uint32_t pitch_correction, uint32_t sample_rate);

    uint16_t get_ibag_size();
    uint16_t get_igen_size();
    uint16_t get_imod_size();
    uint16_t get_pbag_size();
    uint16_t get_pgen_size();
    uint16_t get_pmod_size();
};

#endif