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More (but not all) UDF stuff from the Xbox project.

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rocky
2004-06-23 03:56:25 +00:00
parent ad40144843
commit c9ab763671
3 changed files with 57 additions and 17 deletions
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62
lib/cd_types.c
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@@ -1,7 +1,7 @@
/*
$Id: cd_types.c,v 1.8 2004/06/19 19:15:15 rocky Exp $
$Id: cd_types.c,v 1.9 2004/06/23 03:56:25 rocky Exp $
Copyright (C) 2003 Rocky Bernstein <rocky@panix.com>
Copyright (C) 2003, 2004 Rocky Bernstein <rocky@panix.com>
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
@@ -63,10 +63,13 @@ and
static char buffer[6][CDIO_CD_FRAMESIZE_RAW]; /* for CD-Data */
/* Some interesting sector numbers stored in the above buffer. */
#define ISO_SUPERBLOCK_SECTOR 16 /* buffer[0] */
#define UFS_SUPERBLOCK_SECTOR 4 /* buffer[2] */
#define BOOT_SECTOR 17 /* buffer[3] */
#define VCD_INFO_SECTOR 150 /* buffer[4] */
#define XISO_SECTOR 32 /* buffer[4] */
#define UDFX_SECTOR 32 /* buffer[4] */
#define UDF_ANCHOR_SECTOR 256 /* buffer[5] */
typedef struct signature
@@ -94,6 +97,7 @@ static signature_t sigs[] =
{4, 0, "VIDEO_CD", "VIDEO CD"},
{4, 0, "SUPERVCD", "SVCD or Chaoji VCD"},
{0, 0, "MICROSOFT*XBOX*MEDIA", "XBOX CD"},
{0, 1, "BEA01", "UDF"},
{ 0 }
};
@@ -113,6 +117,7 @@ static signature_t sigs[] =
#define INDEX_VIDEO_CD 11 /* Video CD */
#define INDEX_SVCD 12 /* CVD *or* SVCD */
#define INDEX_XISO 13 /* Microsoft X-BOX filesystem */
#define INDEX_UDF 14
/*
@@ -121,21 +126,21 @@ static signature_t sigs[] =
*/
static int
_cdio_read_block(const CdIo *cdio, int superblock, uint32_t offset,
uint8_t bufnum, track_t track_num)
uint8_t bufnum, track_t i_track)
{
unsigned int track_sec_count = cdio_get_track_sec_count(cdio, track_num);
unsigned int track_sec_count = cdio_get_track_sec_count(cdio, i_track);
memset(buffer[bufnum], 0, CDIO_CD_FRAMESIZE);
if ( track_sec_count < superblock) {
cdio_debug("reading block %u skipped track %d has only %u sectors\n",
superblock, track_num, track_sec_count);
superblock, i_track, track_sec_count);
return -1;
}
cdio_debug("about to read sector %lu\n",
(long unsigned int) offset+superblock);
if (cdio_get_track_green(cdio, track_num)) {
if (cdio_get_track_green(cdio, i_track)) {
if (0 > cdio_read_mode2_sector(cdio, buffer[bufnum],
offset+superblock, false))
return -1;
@@ -183,6 +188,12 @@ _cdio_is_joliet(void)
return 2 == buffer[3][0] && buffer[3][88] == 0x25 && buffer[3][89] == 0x2f;
}
static int
_cdio_is_UDF(void)
{
return 2 == ((uint16_t)buffer[5][0] | ((uint16_t)buffer[5][1] << 8));
}
/* ISO 9660 volume space in M2F1_SECTOR_SIZE byte units */
static int
_cdio_get_iso9660_fs_sec_count(void)
@@ -206,26 +217,47 @@ _cdio_get_joliet_level( void )
/*
Try to determine what kind of CD-image and/or filesystem we
have at track track_num. Return information about the CD image
have at track i_track. Return information about the CD image
is returned in cdio_analysis and the return value.
*/
cdio_fs_anal_t
cdio_guess_cd_type(const CdIo *cdio, int start_session, track_t track_num,
cdio_guess_cd_type(const CdIo *cdio, int start_session, track_t i_track,
/*out*/ cdio_iso_analysis_t *iso_analysis)
{
int ret = 0;
int ret = CDIO_FS_UNKNOWN;
bool sector0_read_ok;
if (TRACK_FORMAT_AUDIO == cdio_get_track_format(cdio, track_num))
if (TRACK_FORMAT_AUDIO == cdio_get_track_format(cdio, i_track))
return CDIO_FS_AUDIO;
if ( _cdio_read_block(cdio, ISO_PVD_SECTOR, start_session,
0, track_num) < 0 )
0, i_track) < 0 )
return CDIO_FS_UNKNOWN;
if ( _cdio_is_it(INDEX_XISO) )
return CDIO_FS_ANAL_XISO;
if (_cdio_read_block(cdio, ISO_SUPERBLOCK_SECTOR, start_session, 0,
i_track) < 0)
return ret;
if ( _cdio_is_it(INDEX_UDF) ) {
/* Detect UDF version
Test if we have a valid version of UDF the xbox can read natively */
if (_cdio_read_block(cdio, 35, start_session, 5, i_track) < 0)
return CDIO_FS_UNKNOWN;
#if 0
m_nUDFVerMinor=(int)buffer[5][240];
m_nUDFVerMajor=(int)buffer[5][241];
/* Read disc label */
if (_cdio_read_block(cdio, 32, start_session, 5, i_track) < 0)
return CDIO_FS_UDF;
m_strDiscLabel=buffer[5]+25;
#endif
return CDIO_FS_UDF;
}
/* We have something that smells of a filesystem. */
if (_cdio_is_it(INDEX_CD_I) && _cdio_is_it(INDEX_CD_RTOS)
&& !_cdio_is_it(INDEX_BRIDGE) && !_cdio_is_it(INDEX_XA)) {
@@ -234,7 +266,7 @@ cdio_guess_cd_type(const CdIo *cdio, int start_session, track_t track_num,
/* read sector 0 ONLY, when NO greenbook CD-I !!!! */
sector0_read_ok =
_cdio_read_block(cdio, 0, start_session, 1, track_num) == 0;
_cdio_read_block(cdio, 0, start_session, 1, i_track) == 0;
if (_cdio_is_it(INDEX_HS))
ret |= CDIO_FS_HIGH_SIERRA;
@@ -253,7 +285,7 @@ cdio_guess_cd_type(const CdIo *cdio, int start_session, track_t track_num,
ret |= CDIO_FS_ANAL_ROCKRIDGE;
#endif
if (_cdio_read_block(cdio, BOOT_SECTOR, start_session, 3, track_num) < 0)
if (_cdio_read_block(cdio, BOOT_SECTOR, start_session, 3, i_track) < 0)
return ret;
if (_cdio_is_joliet()) {
@@ -267,7 +299,7 @@ cdio_guess_cd_type(const CdIo *cdio, int start_session, track_t track_num,
&& !(sector0_read_ok && _cdio_is_it(INDEX_PHOTO_CD)) ) {
if ( _cdio_read_block(cdio, VCD_INFO_SECTOR, start_session, 4,
track_num) < 0 )
i_track) < 0 )
return ret;
if (_cdio_is_it(INDEX_BRIDGE) && _cdio_is_it(INDEX_CD_RTOS)) {
@@ -282,7 +314,7 @@ cdio_guess_cd_type(const CdIo *cdio, int start_session, track_t track_num,
else if (_cdio_is_3do()) ret |= CDIO_FS_3DO;
else {
if ( _cdio_read_block(cdio, UFS_SUPERBLOCK_SECTOR, start_session, 2,
track_num) < 0 )
i_track) < 0 )
return ret;
if (sector0_read_ok && _cdio_is_it(INDEX_UFS))