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/*
Copyright (C) 2004-2005, 2008, 2011-2013
Rocky Bernstein <rocky@gnu.org>
This program 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 Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef CDIO_DRIVER_CDTEXT_PRIVATE_H_
#define CDIO_DRIVER_CDTEXT_PRIVATE_H_
#include <cdio/types.h>
#ifndef CDIO_CD_MAX_TRACKS
# define CDIO_CD_MAX_TRACKS 99 /* Largest CD track number */
#endif
#define CDTEXT_GET_LEN16(p) (p[0]<<8) + p[1]
typedef enum {
CDTEXT_LEN_BINARY_MAX = 9216,
CDTEXT_LEN_TEXTDATA = 12,
CDTEXT_LEN_PACK = 18,
CDTEXT_LEN_BLOCKSIZE = 36,
CDTEXT_NUM_BLOCKS_MAX = 8,
CDTEXT_NUM_TRACKS_MAX = CDIO_CD_MAX_TRACKS+1, /* +1 for 0th disk track */
CDTEXT_NUM_BLOCKPACKS_MAX = 255
} cdtext_format_enum_t;
/**
* From table J.2 - Pack Type Indicator Definitions from
* Working Draft NCITS XXX T10/1364-D Revision 10G. November 12, 2001.
*/
typedef enum {
CDTEXT_PACK_TITLE = 0x80,
CDTEXT_PACK_PERFORMER = 0x81,
CDTEXT_PACK_SONGWRITER = 0x82,
CDTEXT_PACK_COMPOSER = 0x83,
CDTEXT_PACK_ARRANGER = 0x84,
CDTEXT_PACK_MESSAGE = 0x85,
CDTEXT_PACK_DISCID = 0x86,
CDTEXT_PACK_GENRE = 0x87,
CDTEXT_PACK_TOC = 0x88,
CDTEXT_PACK_TOC2 = 0x89,
CDTEXT_PACK_UPC = 0x8E,
CDTEXT_PACK_BLOCKSIZE = 0x8F
} cdtext_packtype_enum_t;
/** CD-Text character encodings */
typedef enum cdtext_charcode_enum_s {
CDTEXT_CHARCODE_ISO_8859_1 = 0x00, /**< ISO-8859-1 (8 bit), Latin-1 */
CDTEXT_CHARCODE_ASCII = 0x01, /**< ASCII (7 bit) */
CDTEXT_CHARCODE_SHIFT_JIS = 0x80 /**< Shift_JIS (double byte), JIS X 0208 Appendix 1 */
///* The following were proposed but never implemented anywhere.
// * They are mentioned for completeness here
// * CDTEXT_CHARCODE_KOREAN = 0x81, /**< Korean */
// * CDTEXT_CHARCODE_CHINESE = 0x82, /**< Mandarin Chinese */
// * CDTEXT_CHARCODE_UNDEFINED = 0xFF, /**< everything else */
// */
} cdtext_charcode_enum_t;
/** Structure of CD-TEXT data Packs */
struct cdtext_pack_s
{
uint8_t type;
uint8_t i_track;
uint8_t seq;
uint8_t char_pos; /* character position */
uint8_t block; /* block number 0..7 */
uint8_t db_chars; /* double byte character */
uint8_t text[CDTEXT_LEN_TEXTDATA];
uint8_t crc[2];
};
/** Structure of of block size information packs */
struct cdtext_blocksize_s
{
uint8_t charcode; /* character code */
uint8_t i_first_track; /* first track number */
uint8_t i_last_track; /* last track number */
uint8_t copyright; /* 3 CD-TEXT is copyrighted, 0 no copyright on CD-TEXT */
uint8_t i_packs[16]; /* number of packs of each type
* 0 TITLE; 1 PERFORMER; 2 SONGWRITER; 3 COMPOSER;
* 4 ARRANGER; 5 MESSAGE; 6 DISCID; 7 GENRE;
* 8 TOC; 9 TOC2; 10-12 RESERVED; 13 CLOSED;
* 14 UPC_ISRC; 15 BLOCKSIZE */
uint8_t lastseq[8]; /* last sequence for block 0..7 */
uint8_t langcode[8]; /* language code for block 0..7 */
};
typedef struct cdtext_pack_s cdtext_pack_t;
typedef struct cdtext_blocksize_s cdtext_blocksize_t;
/*! Structure for CD-TEXT of a track. */
struct cdtext_track_s {
char *field[MAX_CDTEXT_FIELDS];
};
/*! Structure for CD-TEXT of a block. */
struct cdtext_block_s {
struct cdtext_track_s track[CDTEXT_NUM_TRACKS_MAX]; /**< 0: disc; 1..99: tracks */
cdtext_genre_t genre_code; /**< genre code of the disc */
cdtext_lang_t language_code; /**< language of this block */
bool copyright; /**< CD-TEXT copyright */
track_t first_track; /**< first track number */
track_t last_track; /**< last track number */
};
/*! Structure for CD-TEXT of a disc.
@see cdtext_init, cdtext_destroy, cdtext_get, and cdtext_set.
*/
struct cdtext_s {
struct cdtext_block_s block[CDTEXT_NUM_BLOCKS_MAX]; /**< CD-TEXT for block 0..7 */
cdtext_lang_t languages[CDTEXT_NUM_BLOCKS_MAX]; /**< return value of cdtext_list_languages_v2() */
uint8_t block_i; /**< index of active block */
};
int cdtext_read_pack (cdtext_pack_t *pack, const uint8_t *data);
/*!
returns enum of field if key is a CD-Text keyword,
returns CDTEXT_FIELD_INVALID otherwise.
*/
cdtext_field_t cdtext_is_field (const char *field);
#endif /* CDIO_DRIVER_CDTEXT_PRIVATE_H_ */
/*
* Local variables:
* c-file-style: "gnu"
* tab-width: 8
* indent-tabs-mode: nil
* End:
*/
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