claunia/libcdio-osx
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First-cut to auto-scan for device capabilities

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rocky
2003-09-28 17:14:20 +00:00
parent 624ac3c529
commit 083f472570
11 changed files with 502 additions and 221 deletions
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130
lib/_cdio_linux.c
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@@ -1,5 +1,5 @@
/*
$Id: _cdio_linux.c,v 1.23 2003/09/27 23:29:29 rocky Exp $
$Id: _cdio_linux.c,v 1.24 2003/09/28 17:14:20 rocky Exp $
Copyright (C) 2001 Herbert Valerio Riedel <hvr@gnu.org>
Copyright (C) 2002,2003 Rocky Bernstein <rocky@panix.com>
@@ -27,7 +27,7 @@
# include "config.h"
#endif
static const char _rcsid[] = "$Id: _cdio_linux.c,v 1.23 2003/09/27 23:29:29 rocky Exp $";
static const char _rcsid[] = "$Id: _cdio_linux.c,v 1.24 2003/09/28 17:14:20 rocky Exp $";
#include <string.h>
@@ -420,63 +420,6 @@ _cdio_read_mode2_sector (void *env, void *data, lsn_t lsn,
return 0;
}
/*!
Reads a single audio sector from CD device into data starting
from lsn. Returns 0 if no error.
*/
static int
_cdio_read_audio_sector (void *env, void *data, lsn_t lsn)
{
char buf[CDIO_CD_FRAMESIZE_RAW] = { 0, };
struct cdrom_msf *msf = (struct cdrom_msf *) &buf;
msf_t _msf;
_img_private_t *_obj = env;
cdio_lsn_to_msf (lsn, &_msf);
msf->cdmsf_min0 = from_bcd8(_msf.m);
msf->cdmsf_sec0 = from_bcd8(_msf.s);
msf->cdmsf_frame0 = from_bcd8(_msf.f);
retry:
switch (_obj->access_mode)
{
case _AM_NONE:
cdio_error ("no way to read audio");
return 1;
break;
case _AM_IOCTL:
if (ioctl (_obj->gen.fd, CDROMREADRAW, &buf) == -1) {
perror ("ioctl()");
return 1;
/* exit (EXIT_FAILURE); */
}
break;
case _AM_READ_CD:
case _AM_READ_10:
if (_cdio_mmc_read_sectors (_obj->gen.fd, buf, lsn,
CDIO_MMC_READ_TYPE_ANY, 1)) {
perror ("ioctl()");
if (_obj->access_mode == _AM_READ_CD) {
cdio_info ("READ_CD failed; switching to READ_10 mode...");
_obj->access_mode = _AM_READ_10;
goto retry;
} else {
cdio_info ("READ_10 failed; switching to ioctl(CDROMREADAUDIO) mode...");
_obj->access_mode = _AM_IOCTL;
goto retry;
}
return 1;
}
break;
}
memcpy (data, buf, CDIO_CD_FRAMESIZE_RAW);
return 0;
}
/*!
Reads nblocks of mode2 sectors from cd device into data starting
from lsn.
@@ -886,6 +829,67 @@ _cdio_get_track_msf(void *env, track_t track_num, msf_t *msf)
}
}
/* checklist: /dev/cdrom, /dev/dvd /dev/hd?, /dev/scd? /dev/sr? */
static char checklist1[][40] = {
{"cdrom"}, {"dvd"}, {""}
};
static char checklist2[][40] = {
{"?a hd?"}, {"?0 scd?"}, {"?0 sr?"}, {""}
};
/*!
Return a string containing the default VCD device if none is specified.
*/
static char **
_cdio_get_devices (const CdIo *obj)
{
unsigned int i;
char drive[40];
char *ret_drive;
int exists;
char **drives = NULL;
unsigned int num_drives=0;
/* Scan the system for CD-ROM drives.
*/
for ( i=0; strlen(checklist1[i]) > 0; ++i ) {
sprintf(drive, "/dev/%s", checklist1[i]);
if ( (exists=cdio_is_cdrom(drive, NULL)) > 0 ) {
cdio_add_device_list(&drives, drive, &num_drives);
}
}
/* Now check the currently mounted CD drives */
if (NULL != (ret_drive = cdio_check_mounts("/etc/mtab"))) {
cdio_add_device_list(&drives, drive, &num_drives);
}
/* Finally check possible mountable drives in /etc/fstab */
if (NULL != (ret_drive = cdio_check_mounts("/etc/fstab"))) {
cdio_add_device_list(&drives, drive, &num_drives);
}
/* Scan the system for CD-ROM drives.
Not always 100% reliable, so use the USE_MNTENT code above first.
*/
for ( i=0; strlen(checklist2[i]) > 0; ++i ) {
unsigned int j;
char *insert;
exists = 1;
for ( j=checklist2[i][1]; exists; ++j ) {
sprintf(drive, "/dev/%s", &checklist2[i][3]);
insert = strchr(drive, '?');
if ( insert != NULL ) {
*insert = j;
}
if ( (exists=cdio_is_cdrom(drive, NULL)) > 0 ) {
cdio_add_device_list(&drives, drive, &num_drives);
}
}
}
cdio_add_device_list(&drives, NULL, &num_drives);
return drives;
}
#endif /* HAVE_LINUX_CDROM */
/*!
@@ -898,13 +902,6 @@ cdio_get_default_device_linux(void)
return NULL;
#else
/* checklist: /dev/cdrom, /dev/dvd /dev/hd?, /dev/scd? /dev/sr? */
static char checklist1[][40] = {
{"cdrom"}, {"dvd"}, {""}
};
static char checklist2[][40] = {
{"?a hd?"}, {"?0 scd?"}, {"?0 sr?"}, {""}
};
unsigned int i;
char drive[40];
int exists;
@@ -966,6 +963,7 @@ cdio_open_linux (const char *orig_source_name)
.eject_media = _cdio_eject_media,
.free = cdio_generic_free,
.get_arg = _cdio_get_arg,
.get_devices = _cdio_get_devices,
.get_default_device = cdio_get_default_device_linux,
.get_first_track_num= _cdio_get_first_track_num,
.get_mcn = _cdio_get_mcn,