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Break out file NRG format structures into a header.

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This commit is contained in:
rocky
2004-06-01 10:47:37 +00:00
parent dae18fe88f
commit 2c272e7e90
2 changed files with 117 additions and 95 deletions
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98
lib/image/nrg.c
View File

@@ -1,5 +1,5 @@
/*
$Id: nrg.c,v 1.18 2004/06/01 10:43:23 rocky Exp $
$Id: nrg.c,v 1.19 2004/06/01 10:47:37 rocky Exp $
Copyright (C) 2003, 2004 Rocky Bernstein <rocky@panix.com>
Copyright (C) 2001, 2003 Herbert Valerio Riedel <hvr@gnu.org>
@@ -47,102 +47,10 @@
#include "ds.h"
#include "cdio_private.h"
#include "_cdio_stdio.h"
#include "nrg.h"
static const char _rcsid[] = "$Id: nrg.c,v 1.18 2004/06/01 10:43:23 rocky Exp $";
static const char _rcsid[] = "$Id: nrg.c,v 1.19 2004/06/01 10:47:37 rocky Exp $";
/* NERO (NRG) file format structures. */
/* this ugly image format is typical for lazy win32 programmers... at
least structure were set big endian, so at reverse
engineering wasn't such a big headache... */
PRAGMA_BEGIN_PACKED
typedef union {
struct {
uint32_t __x GNUC_PACKED;
uint32_t ID GNUC_PACKED;
uint32_t footer_ofs GNUC_PACKED;
} v50;
struct {
uint32_t ID GNUC_PACKED;
uint64_t footer_ofs GNUC_PACKED;
} v55;
} _footer_t;
typedef struct {
uint32_t start GNUC_PACKED;
uint32_t length GNUC_PACKED;
uint32_t type GNUC_PACKED; /* 0x0 -> MODE1, 0x2 -> MODE2 form1,
0x3 -> MIXED_MODE2 2336 blocksize
*/
uint32_t start_lsn GNUC_PACKED; /* does not include any pre-gaps! */
uint32_t _unknown GNUC_PACKED; /* wtf is this for? -- always zero... */
} _etnf_array_t;
/* Finally they realized that 32-bit offsets are a bit outdated for
IA64 *eg* */
typedef struct {
uint64_t start GNUC_PACKED;
uint64_t length GNUC_PACKED;
uint32_t type GNUC_PACKED; /* 0x0 -> MODE1, 0x2 -> MODE2 form1,
0x3 -> MIXED_MODE2 2336 blocksize
*/
uint32_t start_lsn GNUC_PACKED;
uint64_t _unknown GNUC_PACKED; /* wtf is this for? -- always zero... */
} _etn2_array_t;
typedef struct {
uint8_t type GNUC_PACKED; /* has track copy bit and whether audiofile
or datafile. Is often 0x41 == 'A' */
uint8_t track GNUC_PACKED; /* binary or BCD?? */
uint8_t addr_ctrl GNUC_PACKED; /* addresstype: MSF or LBA in lower 4 bits
control in upper 4 bits.
makes 0->1 transitions */
uint8_t res GNUC_PACKED; /* ?? */
uint32_t lsn GNUC_PACKED;
} _cuex_array_t;
typedef struct {
uint32_t _unknown1 GNUC_PACKED;
char mcn[CDIO_MCN_SIZE] GNUC_PACKED;
uint8_t _unknown[64-CDIO_MCN_SIZE-sizeof(uint32_t)] GNUC_PACKED;
} _daox_array_t;
typedef struct {
uint32_t _unknown1 GNUC_PACKED;
char mcn[CDIO_MCN_SIZE] GNUC_PACKED;
uint8_t _unknown[64-CDIO_MCN_SIZE-sizeof(uint32_t)] GNUC_PACKED;
} _daoi_array_t;
typedef struct {
uint32_t id GNUC_PACKED;
uint32_t len GNUC_PACKED;
char data[EMPTY_ARRAY_SIZE] GNUC_PACKED;
} _chunk_t;
PRAGMA_END_PACKED
/* Nero images are Big Endian. */
#define CUEX_ID 0x43554558 /* Nero version 5.5 */
#define CUES_ID 0x43554553 /* Nero pre version 5.5.x */
#define DAOX_ID 0x44414f58 /* Nero version 5.5.x */
#define DAOI_ID 0x44414f49
#define END1_ID 0x454e4421
#define ETN2_ID 0x45544e32
#define ETNF_ID 0x45544e46
#define NER5_ID 0x4e455235 /* Nero version 5.5.x */
#define NERO_ID 0x4e45524f /* Nero pre 5.5.x */
#define SINF_ID 0x53494e46 /* Session information */
#define MTYP_ID 0x4d545950 /* Disc Media type? */
#define MTYP_AUDIO_CD 1 /* This isn't correct. But I don't know the
the right thing is and it sometimes works (and
sometimes is wrong). */
/* Disk track type Values gleaned from DAOX */
#define DTYP_MODE1 0
#define DTYP_MODE2_XA 2
#define DTYP_INVALID 255
/* reader */

114
lib/image/nrg.h Normal file
View File

@@ -0,0 +1,114 @@
/*
$Id: nrg.h,v 1.1 2004/06/01 10:47:37 rocky Exp $
Copyright (C) 2004 Rocky Bernstein <rocky@panix.com>
Copyright (C) 2001, 2003 Herbert Valerio Riedel <hvr@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 2 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, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* NERO (NRG) file format structures. */
/* this ugly image format is typical for lazy win32 programmers... at
least structure were set big endian, so at reverse
engineering wasn't such a big headache... */
PRAGMA_BEGIN_PACKED
typedef union {
struct {
uint32_t __x GNUC_PACKED;
uint32_t ID GNUC_PACKED;
uint32_t footer_ofs GNUC_PACKED;
} v50;
struct {
uint32_t ID GNUC_PACKED;
uint64_t footer_ofs GNUC_PACKED;
} v55;
} _footer_t;
typedef struct {
uint32_t start GNUC_PACKED;
uint32_t length GNUC_PACKED;
uint32_t type GNUC_PACKED; /* 0x0 -> MODE1, 0x2 -> MODE2 form1,
0x3 -> MIXED_MODE2 2336 blocksize
*/
uint32_t start_lsn GNUC_PACKED; /* does not include any pre-gaps! */
uint32_t _unknown GNUC_PACKED; /* wtf is this for? -- always zero... */
} _etnf_array_t;
/* Finally they realized that 32-bit offsets are a bit outdated for
IA64 *eg* */
typedef struct {
uint64_t start GNUC_PACKED;
uint64_t length GNUC_PACKED;
uint32_t type GNUC_PACKED; /* 0x0 -> MODE1, 0x2 -> MODE2 form1,
0x3 -> MIXED_MODE2 2336 blocksize
*/
uint32_t start_lsn GNUC_PACKED;
uint64_t _unknown GNUC_PACKED; /* wtf is this for? -- always zero... */
} _etn2_array_t;
typedef struct {
uint8_t type GNUC_PACKED; /* has track copy bit and whether audiofile
or datafile. Is often 0x41 == 'A' */
uint8_t track GNUC_PACKED; /* binary or BCD?? */
uint8_t addr_ctrl GNUC_PACKED; /* addresstype: MSF or LBA in lower 4 bits
control in upper 4 bits.
makes 0->1 transitions */
uint8_t res GNUC_PACKED; /* ?? */
uint32_t lsn GNUC_PACKED;
} _cuex_array_t;
typedef struct {
uint32_t _unknown1 GNUC_PACKED;
char mcn[CDIO_MCN_SIZE] GNUC_PACKED;
uint8_t _unknown[64-CDIO_MCN_SIZE-sizeof(uint32_t)] GNUC_PACKED;
} _daox_array_t;
typedef struct {
uint32_t _unknown1 GNUC_PACKED;
char mcn[CDIO_MCN_SIZE] GNUC_PACKED;
uint8_t _unknown[64-CDIO_MCN_SIZE-sizeof(uint32_t)] GNUC_PACKED;
} _daoi_array_t;
typedef struct {
uint32_t id GNUC_PACKED;
uint32_t len GNUC_PACKED;
char data[EMPTY_ARRAY_SIZE] GNUC_PACKED;
} _chunk_t;
PRAGMA_END_PACKED
/* Nero images are Big Endian. */
#define CUEX_ID 0x43554558 /* Nero version 5.5 */
#define CUES_ID 0x43554553 /* Nero pre version 5.5.x */
#define DAOX_ID 0x44414f58 /* Nero version 5.5.x */
#define DAOI_ID 0x44414f49
#define END1_ID 0x454e4421
#define ETN2_ID 0x45544e32
#define ETNF_ID 0x45544e46
#define NER5_ID 0x4e455235 /* Nero version 5.5.x */
#define NERO_ID 0x4e45524f /* Nero pre 5.5.x */
#define SINF_ID 0x53494e46 /* Session information */
#define MTYP_ID 0x4d545950 /* Disc Media type? */
#define MTYP_AUDIO_CD 1 /* This isn't correct. But I don't know the
the right thing is and it sometimes works (and
sometimes is wrong). */
/* Disk track type Values gleaned from DAOX */
#define DTYP_MODE1 0
#define DTYP_MODE2_XA 2
#define DTYP_INVALID 255