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/*
* UPSE: the unix playstation sound emulator.
*
* Filename: upse.h
* Purpose: libupse development header
*
* Copyright (c) 2007 William Pitcock <nenolod@sacredspiral.co.uk>
*
* UPSE is free software, released under the GNU General Public License,
* version 2.
*
* A copy of the GNU General Public License, version 2, is included in
* the UPSE source kit as COPYING.
*
* UPSE is offered without any warranty of any kind, explicit or implicit.
*/
#ifndef __UPSE_LIBUPSE_UPSE_H_GUARD
#define __UPSE_LIBUPSE_UPSE_H_GUARD
#include <unistd.h>
#include <upse-types.h>
typedef struct _upse_psftag
{
struct _upse_psftag *next;
char *key;
char *value;
} upse_psftag_t;
typedef struct
{
u32 length;
u32 stop;
u32 fade;
u32 volume;
char *title;
char *artist;
char *game;
char *year;
char *genre;
char *psfby;
char *comment;
char *copyright;
upse_psftag_t *taglist;
} upse_psf_t;
int upse_seek(u32 t);
void upse_stop(void);
void upse_execute(void);
typedef struct
{
void *(*open_impl) (char *path, char *mode);
size_t(*read_impl) (void *ptr, size_t size, size_t nmemb, void *file);
int (*seek_impl) (void *file, long offset, int whence);
int (*close_impl) (void *file);
} upse_iofuncs_t;
upse_psf_t *upse_load(char *path, upse_iofuncs_t * iofuncs);
upse_psf_t *upse_get_psf_metadata(char *path, upse_iofuncs_t * iofuncs);
void upse_free_psf_metadata(upse_psf_t * info);
typedef void (*upse_audio_callback_func_t) (unsigned char *, long, void *);
void upse_set_audio_callback(upse_audio_callback_func_t func, void *user_data);
/*
* Set the interpolation mode.
*
* 1: interpolation (like a real PSX/PS2)
* 0: interpolation only on reverb
* (PeOPS/Neill Corlett's model says interpolation always but doesn't do it)
*/
void upse_set_interpolation_mode(u32 setting);
/*
* Set a custom interpolation coefficient.
* Implies that interpolation_mode is non-zero.
*/
void upse_set_interpolation_coefficient(double setting);
/*
* Enable or disable reverb.
*/
void upse_set_reverb_mode(u32 setting);
/*
* Enable or disable non-downsampled reverb. [EXPERIMENTAL]
*/
void upse_set_reverb_no_downsample(u32 setting);
/*
* Custom BIOS stuff.
*/
int upse_has_custom_bios(void);
const char *upse_get_custom_bios(void);
void upse_set_custom_bios(const char *bios);
/*
* Utility functions.
*/
float upse_strtof(const char *value);
#endif
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