158 lines
4.9 KiB
C
158 lines
4.9 KiB
C
/*
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$Id: nrg.h,v 1.4 2008/03/16 00:12:43 rocky Exp $
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Copyright (C) 2004, 2006 Rocky Bernstein <rocky@panix.com>
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Copyright (C) 2001, 2003 Herbert Valerio Riedel <hvr@gnu.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* NERO (NRG) file format structures. */
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/* this ugly image format is typical for lazy win32 programmers... at
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least structure were set big endian, so at reverse
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engineering wasn't such a big headache... */
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PRAGMA_BEGIN_PACKED
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typedef union {
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struct {
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uint32_t __x GNUC_PACKED;
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uint32_t ID GNUC_PACKED;
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uint32_t footer_ofs GNUC_PACKED;
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} v50;
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struct {
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uint32_t ID GNUC_PACKED;
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uint64_t footer_ofs GNUC_PACKED;
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} v55;
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} _footer_t;
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typedef struct {
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uint32_t start GNUC_PACKED;
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uint32_t length GNUC_PACKED;
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uint32_t type GNUC_PACKED; /* 0x0 -> MODE1, 0x2 -> MODE2 form1,
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0x3 -> MIXED_MODE2 2336 blocksize
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*/
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uint32_t start_lsn GNUC_PACKED; /* does not include any pre-gaps! */
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uint32_t _unknown GNUC_PACKED; /* wtf is this for? -- always zero... */
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} _etnf_array_t;
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/* Finally they realized that 32-bit offsets are a bit outdated for
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IA64 *eg* */
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typedef struct {
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uint64_t start GNUC_PACKED;
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uint64_t length GNUC_PACKED;
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uint32_t type GNUC_PACKED; /* 0x0 -> MODE1, 0x2 -> MODE2 form1,
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0x3 -> MIXED_MODE2 2336 blocksize
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*/
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uint32_t start_lsn GNUC_PACKED;
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uint64_t _unknown GNUC_PACKED; /* wtf is this for? -- always zero... */
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} _etn2_array_t;
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typedef struct {
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uint8_t type; /* has track copy bit and whether audiofile
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or datafile. Is often 0x41 == 'A' */
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uint8_t track; /* binary or BCD?? */
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uint8_t addr_ctrl; /* addresstype: MSF or LBA in lower 4 bits
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control in upper 4 bits.
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makes 0->1 transitions */
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uint8_t res; /* ?? */
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uint32_t lsn GNUC_PACKED;
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} _cuex_array_t;
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/* New DAO[XI] Information from http://en.wikipedia.org/wiki/NRG_(file_format)
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*/
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typedef struct {
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uint8_t zero[10];
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uint32_t sector_size GNUC_PACKED;
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uint8_t unknown[4];
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} _dao_array_common_t;
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typedef struct {
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_dao_array_common_t common;
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uint64_t index0 GNUC_PACKED;
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uint64_t index1 GNUC_PACKED;
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uint64_t end_of_track GNUC_PACKED;
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} _daox_array_t;
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typedef struct {
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_dao_array_common_t common;
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uint32_t index0 GNUC_PACKED;
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uint32_t index1 GNUC_PACKED;
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uint32_t end_of_track GNUC_PACKED;
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} _daoi_array_t;
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typedef struct {
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uint32_t chunk_size_le GNUC_PACKED;
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char psz_mcn[CDIO_MCN_SIZE];
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uint8_t unknown[3];
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uint8_t first_track;
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uint8_t last_track;
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} _dao_common_t;
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typedef struct {
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_dao_common_t common;
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_daox_array_t track_info[EMPTY_ARRAY_SIZE];
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} _daox_t;
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typedef struct {
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_dao_common_t common;
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_daoi_array_t track_info[EMPTY_ARRAY_SIZE];
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} _daoi_t;
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typedef struct {
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uint32_t id GNUC_PACKED;
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uint32_t len GNUC_PACKED;
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char data[EMPTY_ARRAY_SIZE];
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} _chunk_t;
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PRAGMA_END_PACKED
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/* Nero images are Big Endian. */
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typedef enum {
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CDTX_ID = 0x43445458, /* CD TEXT */
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CUEX_ID = 0x43554558, /* Nero version 5.5.x-6.x */
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CUES_ID = 0x43554553, /* Nero pre version 5.5.x-6.x */
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DAOX_ID = 0x44414f58, /* Nero version 5.5.x-6.x */
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DAOI_ID = 0x44414f49,
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END1_ID = 0x454e4421,
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ETN2_ID = 0x45544e32,
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ETNF_ID = 0x45544e46,
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NER5_ID = 0x4e455235, /* Nero version 5.5.x */
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NERO_ID = 0x4e45524f, /* Nero pre 5.5.x */
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SINF_ID = 0x53494e46, /* Session information */
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MTYP_ID = 0x4d545950, /* Disc Media type? */
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} nero_id_t;
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#define MTYP_AUDIO_CD 1 /* This isn't correct. But I don't know the
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the right thing is and it sometimes works (and
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sometimes is wrong). */
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/* Disk track type Values gleaned from DAOX */
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typedef enum {
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DTYP_MODE1 = 0,
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DTYP_MODE2_XA = 2,
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DTYP_INVALID = 255
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} nero_dtype_t;
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/** The below variables are trickery to force the above enum symbol
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values to be recorded in debug symbol tables. They are used to
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allow one to refer to the enumeration value names in the typedefs
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above in a debugger and debugger expressions.
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*/
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extern nero_id_t nero_id;
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extern nero_dtype_t nero_dtype;
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