Straighten out mode1 vs mode2 mess.

This commit is contained in:
rocky
2003-08-31 14:26:06 +00:00
parent c031e71702
commit 19c7de3990
8 changed files with 122 additions and 68 deletions

View File

@@ -1,5 +1,5 @@
/*
$Id: _cdio_bincue.c,v 1.22 2003/07/27 22:52:22 rocky Exp $
$Id: _cdio_bincue.c,v 1.23 2003/08/31 14:26:06 rocky Exp $
Copyright (C) 2001 Herbert Valerio Riedel <hvr@gnu.org>
Copyright (C) 2002,2003 Rocky Bernstein <rocky@panix.com>
@@ -28,7 +28,7 @@
# include "config.h"
#endif
static const char _rcsid[] = "$Id: _cdio_bincue.c,v 1.22 2003/07/27 22:52:22 rocky Exp $";
static const char _rcsid[] = "$Id: _cdio_bincue.c,v 1.23 2003/08/31 14:26:06 rocky Exp $";
#include <stdio.h>
#include <ctype.h>
@@ -508,7 +508,7 @@ _cdio_read_mode2_sector (void *user_data, void *data, lsn_t lsn,
*/
static int
_cdio_read_mode2_sectors (void *user_data, void *data, uint32_t lsn,
bool mode2_form2, unsigned nblocks)
bool mode2_form2, unsigned int nblocks)
{
_img_private_t *_obj = user_data;
int i;

View File

@@ -1,5 +1,5 @@
/*
$Id: cd_types.c,v 1.2 2003/08/31 03:35:36 rocky Exp $
$Id: cd_types.c,v 1.3 2003/08/31 14:26:06 rocky Exp $
Copyright (C) 2003 Rocky Bernstein <rocky@panix.com>
@@ -136,7 +136,7 @@ _cdio_read_block(CdIo *cdio, int superblock, uint32_t offset, uint8_t bufnum,
offset+superblock, false))
return -1;
} else {
if (0 > cdio_read_yellow_sector(cdio, buffer[bufnum],
if (0 > cdio_read_mode1_sector(cdio, buffer[bufnum],
offset+superblock, false))
return -1;
}

View File

@@ -1,5 +1,5 @@
/*
$Id: cdio.c,v 1.21 2003/06/22 22:41:29 rocky Exp $
$Id: cdio.c,v 1.22 2003/08/31 14:26:06 rocky Exp $
Copyright (C) 2003 Rocky Bernstein <rocky@panix.com>
Copyright (C) 2001 Herbert Valerio Riedel <hvr@gnu.org>
@@ -35,7 +35,7 @@
#include <cdio/logging.h>
#include "cdio_private.h"
static const char _rcsid[] = "$Id: cdio.c,v 1.21 2003/06/22 22:41:29 rocky Exp $";
static const char _rcsid[] = "$Id: cdio.c,v 1.22 2003/08/31 14:26:06 rocky Exp $";
const char *track_format2str[6] =
@@ -495,13 +495,13 @@ cdio_read_audio_sector (CdIo *obj, void *buf, lsn_t lsn)
}
/*!
Reads a single yellow mode1 or mode2 sector from cd device
Reads a single mode1 form1 or form2 sector from cd device
into data starting from lsn. Returns 0 if no error.
*/
int
cdio_read_yellow_sector (CdIo *obj, void *data, uint32_t lsn, bool mode1)
cdio_read_mode1_sector (CdIo *obj, void *data, lsn_t lsn, bool is_form2)
{
uint32_t size = mode1 ? CDIO_CD_FRAMESIZE : M2RAW_SECTOR_SIZE;
uint32_t size = is_form2 ? M2RAW_SECTOR_SIZE : CDIO_CD_FRAMESIZE ;
char buf[M2RAW_SECTOR_SIZE] = { 0, };
int ret;
@@ -516,7 +516,7 @@ cdio_read_yellow_sector (CdIo *obj, void *data, uint32_t lsn, bool mode1)
memcpy (data, buf, size);
return 0;
} else {
ret = cdio_read_mode2_sector(obj, data, lsn, mode1);
ret = cdio_read_mode2_sector(obj, data, lsn, is_form2);
if (ret == 0)
memcpy (data, buf+CDIO_CD_SUBHEADER_SIZE, size);
}
@@ -524,6 +524,46 @@ cdio_read_yellow_sector (CdIo *obj, void *data, uint32_t lsn, bool mode1)
}
int
cdio_read_mode1_sectors (CdIo *obj, void *data, lsn_t lsn, bool is_form2,
unsigned int num_sectors)
{
uint32_t size = is_form2 ? M2RAW_SECTOR_SIZE : CDIO_CD_FRAMESIZE ;
int retval;
int i;
cdio_assert (obj != NULL);
for (i = 0; i < num_sectors; i++) {
if ( (retval = cdio_read_mode1_sector (obj,
((char *)data) + (size * i),
lsn + i, is_form2)) )
return retval;
}
return 0;
}
/*!
Reads a single mode2 sector from cd device into data starting
from lsn. Returns 0 if no error.
*/
int
cdio_read_mode2_sector (CdIo *obj, void *buf, uint32_t lsn, bool is_form2)
{
cdio_assert (obj != NULL);
cdio_assert (buf != NULL);
cdio_assert (obj->op.read_mode2_sector != NULL
|| obj->op.read_mode2_sectors != NULL);
if (obj->op.read_mode2_sector)
return obj->op.read_mode2_sector (obj->user_data, buf, lsn, is_form2);
/* fallback */
if (obj->op.read_mode2_sectors != NULL)
return cdio_read_mode2_sectors (obj, buf, lsn, is_form2, 1);
return 1;
}
int
cdio_read_mode2_sectors (CdIo *obj, void *buf, lsn_t lsn, bool mode2raw,
unsigned num_sectors)
@@ -536,27 +576,6 @@ cdio_read_mode2_sectors (CdIo *obj, void *buf, lsn_t lsn, bool mode2raw,
mode2raw, num_sectors);
}
/*!
Reads a single mode2 sector from cd device into data starting
from lsn. Returns 0 if no error.
*/
int
cdio_read_mode2_sector (CdIo *obj, void *buf, uint32_t lsn, bool mode2raw)
{
cdio_assert (obj != NULL);
cdio_assert (buf != NULL);
cdio_assert (obj->op.read_mode2_sector != NULL
|| obj->op.read_mode2_sectors != NULL);
if (obj->op.read_mode2_sector)
return obj->op.read_mode2_sector (obj->user_data, buf, lsn, mode2raw);
/* fallback */
if (obj->op.read_mode2_sectors != NULL)
return cdio_read_mode2_sectors (obj, buf, lsn, mode2raw, 1);
return 1;
}
uint32_t
cdio_stat_size (CdIo *obj)
{

View File

@@ -1,5 +1,5 @@
/*
$Id: iso9660_fs.c,v 1.3 2003/08/31 09:11:25 rocky Exp $
$Id: iso9660_fs.c,v 1.4 2003/08/31 14:26:06 rocky Exp $
Copyright (C) 2001 Herbert Valerio Riedel <hvr@gnu.org>
Copyright (C) 2003 Rocky Bernstein <rocky@panix.com>
@@ -36,7 +36,7 @@
#include "bytesex.h"
#include "ds.h"
static const char _rcsid[] = "$Id: iso9660_fs.c,v 1.3 2003/08/31 09:11:25 rocky Exp $";
static const char _rcsid[] = "$Id: iso9660_fs.c,v 1.4 2003/08/31 14:26:06 rocky Exp $";
static void
_idr2statbuf (const iso9660_dir_t *idr, iso9660_stat_t *buf)
@@ -107,14 +107,19 @@ _idr2name (const iso9660_dir_t *idr)
static void
_fs_stat_root (CdIo *obj, iso9660_stat_t *buf)
_fs_stat_root (CdIo *obj, iso9660_stat_t *buf, bool is_mode2)
{
char block[ISO_BLOCKSIZE] = { 0, };
const iso9660_pvd_t *pvd = (void *) &block;
const iso9660_dir_t *idr = (void *) pvd->root_directory_record;
if (cdio_read_mode2_sector (obj, &block, ISO_PVD_SECTOR, false))
cdio_assert_not_reached ();
if (is_mode2) {
if (cdio_read_mode2_sector (obj, &block, ISO_PVD_SECTOR, false))
cdio_assert_not_reached ();
} else {
if (cdio_read_mode1_sector (obj, &block, ISO_PVD_SECTOR, false))
cdio_assert_not_reached ();
}
_idr2statbuf (idr, buf);
}
@@ -187,8 +192,8 @@ _fs_stat_traverse (CdIo *obj, const iso9660_stat_t *_root, char **splitpath,
}
int
iso9660_fs_stat (CdIo *obj, const char pathname[],
iso9660_stat_t *buf)
iso9660_fs_stat (CdIo *obj, const char pathname[], iso9660_stat_t *buf,
bool is_mode2)
{
iso9660_stat_t _root;
int retval;
@@ -198,7 +203,7 @@ iso9660_fs_stat (CdIo *obj, const char pathname[],
cdio_assert (pathname != NULL);
cdio_assert (buf != NULL);
_fs_stat_root (obj, &_root);
_fs_stat_root (obj, &_root, is_mode2);
splitpath = _cdio_strsplit (pathname, '/');
retval = _fs_stat_traverse (obj, &_root, splitpath, buf);
@@ -208,14 +213,14 @@ iso9660_fs_stat (CdIo *obj, const char pathname[],
}
void * /* list of char* -- caller must free it */
iso9660_fs_readdir (CdIo *obj, const char pathname[])
iso9660_fs_readdir (CdIo *obj, const char pathname[], bool is_mode2)
{
iso9660_stat_t _stat;
cdio_assert (obj != NULL);
cdio_assert (pathname != NULL);
if (iso9660_fs_stat (obj, pathname, &_stat))
if (iso9660_fs_stat (obj, pathname, &_stat, is_mode2))
return NULL;
if (_stat.type != _STAT_DIR)
@@ -234,9 +239,15 @@ iso9660_fs_readdir (CdIo *obj, const char pathname[])
_dirbuf = _cdio_malloc (_stat.secsize * ISO_BLOCKSIZE);
if (cdio_read_mode2_sectors (obj, _dirbuf, _stat.lsn, false,
if (is_mode2) {
if (cdio_read_mode2_sectors (obj, _dirbuf, _stat.lsn, false,
_stat.secsize))
cdio_assert_not_reached ();
cdio_assert_not_reached ();
} else {
if (cdio_read_mode1_sectors (obj, _dirbuf, _stat.lsn, false,
_stat.secsize))
cdio_assert_not_reached ();
}
while (offset < (_stat.secsize * ISO_BLOCKSIZE))
{