RetroArch/movie.h
2019-01-14 04:39:58 +01:00

122 lines
2.8 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2017 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __RARCH_MOVIE_H
#define __RARCH_MOVIE_H
#include <stdint.h>
#include <stddef.h>
#include <boolean.h>
#include <retro_common_api.h>
#include <streams/interface_stream.h>
#include <retro_miscellaneous.h>
RETRO_BEGIN_DECLS
#define BSV_MAGIC 0x42535631
#define MAGIC_INDEX 0
#define SERIALIZER_INDEX 1
#define CRC_INDEX 2
#define STATE_SIZE_INDEX 3
typedef struct bsv_movie bsv_movie_t;
enum rarch_movie_type
{
RARCH_MOVIE_PLAYBACK = 0,
RARCH_MOVIE_RECORD
};
enum bsv_ctl_state
{
BSV_MOVIE_CTL_NONE = 0,
BSV_MOVIE_CTL_IS_INITED,
BSV_MOVIE_CTL_SET_INPUT,
BSV_MOVIE_CTL_SET_START_RECORDING,
BSV_MOVIE_CTL_UNSET_START_RECORDING,
BSV_MOVIE_CTL_SET_START_PLAYBACK,
BSV_MOVIE_CTL_UNSET_START_PLAYBACK,
BSV_MOVIE_CTL_UNSET_PLAYBACK,
BSV_MOVIE_CTL_FRAME_REWIND,
BSV_MOVIE_CTL_SET_END_EOF,
BSV_MOVIE_CTL_SET_END,
BSV_MOVIE_CTL_UNSET_END
};
struct bsv_state
{
bool movie_start_recording;
bool movie_start_playback;
bool movie_playback;
bool eof_exit;
bool movie_end;
/* Movie playback/recording support. */
char movie_path[PATH_MAX_LENGTH];
/* Immediate playback/recording. */
char movie_start_path[PATH_MAX_LENGTH];
};
struct bsv_movie
{
intfstream_t *file;
/* A ring buffer keeping track of positions
* in the file for each frame. */
size_t *frame_pos;
size_t frame_mask;
size_t frame_ptr;
size_t min_file_pos;
size_t state_size;
uint8_t *state;
bool playback;
bool first_rewind;
bool did_rewind;
};
void bsv_movie_deinit(void);
bool bsv_movie_init(void);
bool bsv_movie_is_playback_on(void);
bool bsv_movie_is_playback_off(void);
void bsv_movie_set_path(const char *path);
void bsv_movie_set_start_path(const char *path);
bool bsv_movie_get_input(int16_t *bsv_data);
bool bsv_movie_ctl(enum bsv_ctl_state state, void *data);
bool bsv_movie_check(void);
bool bsv_movie_init_handle(const char *path, enum rarch_movie_type type);
extern bsv_movie_t *bsv_movie_state_handle;
extern struct bsv_state bsv_movie_state;
RETRO_END_DECLS
#endif