/*

 * This file is part of libbluray

 * Copyright (C) 2014-2017  Petri Hintukainen <phintuka@users.sourceforge.net>

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2.1 of the License, or (at your option) any later version.

 *

 * This library 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

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library. If not, see

 * <http://www.gnu.org/licenses/>.

 */

#if !defined(_BD_DISC_H_)

#define _BD_DISC_H_

#include "util/attributes.h"

#include <stdint.h>

#include <stddef.h> /* size_t */

struct bd_file_s;

struct bd_dir_s;

struct bd_enc_info;

/* application provided file system access (optional) */

typedef struct fs_access {

    void *fs_handle;

    /* method 1: block (device) access */

    int (*read_blocks)(void *fs_handle, void *buf, int lba, int num_blocks);

    /* method 2: file access */

    struct bd_dir_s  *(*open_dir) (void *fs_handle, const char *rel_path);

    struct bd_file_s *(*open_file)(void *fs_handle, const char *rel_path);

} fs_access;

/*

 * BluRay Virtual File System

 *

 * Map file access to BD-ROM file system or binding unit data area

 */

typedef struct bd_disc BD_DISC;

BD_PRIVATE BD_DISC *disc_open(const char *device_path,

                              fs_access *p_fs,

                              struct bd_enc_info *enc_info,

                              const char *keyfile_path,

                              void *regs, void *psr_read, void *psr_write);

BD_PRIVATE void     disc_close(BD_DISC **);

/* Get BD-ROM root path */

BD_PRIVATE const char *disc_root(BD_DISC *disc);

/* Get UDF volume ID */

BD_PRIVATE const char *disc_volume_id(BD_DISC *);

/* Generate pseudo disc ID */

BD_PRIVATE void disc_pseudo_id(BD_DISC *, uint8_t *id/*[20]*/);

/* Open VFS file (relative to disc root) */

BD_PRIVATE struct bd_file_s *disc_open_file(BD_DISC *disc, const char *dir, const char *file);

BD_PRIVATE struct bd_file_s *disc_open_path(BD_DISC *disc, const char *path);

/* Open VFS directory (relative to disc root) */

BD_PRIVATE struct bd_dir_s *disc_open_dir (BD_DISC *disc, const char *dir);

/* Read VFS file */

BD_PRIVATE size_t disc_read_file(BD_DISC *disc, const char *dir, const char *file,

                                  uint8_t **data);

/* Update virtual package */

BD_PRIVATE void disc_update(BD_DISC *disc, const char *overlay_root);

BD_PRIVATE int  disc_cache_bdrom_file(BD_DISC *p, const char *rel_path, const char *cache_path);

/* open BD-ROM directory (relative to disc root) */

BD_PRIVATE struct bd_dir_s  *disc_open_bdrom_dir(BD_DISC *disc, const char *path);

/*

 * m2ts stream interface

 */

BD_PRIVATE struct bd_file_s *disc_open_stream(BD_DISC *disc, const char *file);

/*

 * Store / fetch persistent properties for disc.

 * Data is stored in cache directory and persists between playback sessions.

 *

 * Property name is ASCII string. '=' or '\n' is not allowed in name.

 * property data is UTF8 string without line feeds.

 */

BD_PRIVATE int   disc_property_put(BD_DISC *disc, const char *property, const char *value);

BD_PRIVATE char *disc_property_get(BD_DISC *disc, const char *property);

/* "Known" playlists */

#define DISC_PROPERTY_PLAYLISTS    "Playlists"

#define DISC_PROPERTY_MAIN_FEATURE "MainFeature"

/*

 *

 */

BD_PRIVATE const uint8_t *disc_get_data(BD_DISC *, int type);

enum {

    DISC_EVENT_START,       /* param: number of titles, 0 if playing with menus */

    DISC_EVENT_TITLE,       /* param: title number */

    DISC_EVENT_APPLICATION, /* param: app data */

};

BD_PRIVATE void disc_event(BD_DISC *, uint32_t event, uint32_t param);

#endif /* _BD_DISC_H_ */