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Remove some of the bogosity in assuming the first track starts at 1.

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(Probably will be useful on multi-session CD's).
This commit is contained in:
rocky
2004-05-27 10:58:11 +00:00
parent f858aedc98
commit 92ab8ff36d
1 changed files with 21 additions and 20 deletions
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41
lib/_cdio_linux.c
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@@ -1,5 +1,5 @@
/*
$Id: _cdio_linux.c,v 1.46 2004/05/13 04:32:12 rocky Exp $
$Id: _cdio_linux.c,v 1.47 2004/05/27 10:58:11 rocky Exp $
Copyright (C) 2001 Herbert Valerio Riedel <hvr@gnu.org>
Copyright (C) 2002, 2003, 2004 Rocky Bernstein <rocky@panix.com>
@@ -27,7 +27,7 @@
# include "config.h"
#endif
static const char _rcsid[] = "$Id: _cdio_linux.c,v 1.46 2004/05/13 04:32:12 rocky Exp $";
static const char _rcsid[] = "$Id: _cdio_linux.c,v 1.47 2004/05/27 10:58:11 rocky Exp $";
#include <string.h>
@@ -633,9 +633,10 @@ _cdio_read_toc (_img_private_t *_obj)
/* read individual tracks */
for (i= FIRST_TRACK_NUM; i<=TOTAL_TRACKS; i++) {
_obj->tocent[i-1].cdte_track = i;
_obj->tocent[i-1].cdte_format = CDROM_MSF;
if ( ioctl(_obj->gen.fd, CDROMREADTOCENTRY, &_obj->tocent[i-1]) == -1 ) {
_obj->tocent[i-FIRST_TRACK_NUM].cdte_track = i;
_obj->tocent[i-FIRST_TRACK_NUM].cdte_format = CDROM_MSF;
if ( ioctl(_obj->gen.fd, CDROMREADTOCENTRY,
&_obj->tocent[i-FIRST_TRACK_NUM]) == -1 ) {
cdio_error("%s %d: %s\n",
"error in ioctl CDROMREADTOCENTRY for track",
i, strerror(errno));
@@ -870,22 +871,22 @@ _get_num_tracks_linux(void *env)
Get format of track.
*/
static track_format_t
_get_track_format_linux(void *env, track_t track_num)
_get_track_format_linux(void *env, track_t i_track)
{
_img_private_t *_obj = env;
if (!_obj->gen.toc_init) _cdio_read_toc (_obj) ;
if (track_num > TOTAL_TRACKS || track_num == 0)
if (i_track > TOTAL_TRACKS || i_track == 0)
return TRACK_FORMAT_ERROR;
/* This is pretty much copied from the "badly broken" cdrom_count_tracks
in linux/cdrom.c.
*/
if (_obj->tocent[track_num-1].cdte_ctrl & CDIO_CDROM_DATA_TRACK) {
if (_obj->tocent[track_num-1].cdte_format == 0x10)
if (_obj->tocent[i_track-FIRST_TRACK_NUM].cdte_ctrl & CDIO_CDROM_DATA_TRACK) {
if (_obj->tocent[i_track-FIRST_TRACK_NUM].cdte_format == 0x10)
return TRACK_FORMAT_CDI;
else if (_obj->tocent[track_num-1].cdte_format == 0x20)
else if (_obj->tocent[i_track-FIRST_TRACK_NUM].cdte_format == 0x20)
return TRACK_FORMAT_XA;
else
return TRACK_FORMAT_DATA;
@@ -903,32 +904,32 @@ _get_track_format_linux(void *env, track_t track_num)
FIXME: there's gotta be a better design for this and get_track_format?
*/
static bool
_get_track_green_linux(void *env, track_t track_num)
_get_track_green_linux(void *env, track_t i_track)
{
_img_private_t *_obj = env;
if (!_obj->gen.toc_init) _cdio_read_toc (_obj) ;
if (track_num == CDIO_CDROM_LEADOUT_TRACK) track_num = TOTAL_TRACKS+1;
if (i_track == CDIO_CDROM_LEADOUT_TRACK) i_track = TOTAL_TRACKS+1;
if (track_num > TOTAL_TRACKS+1 || track_num == 0)
if (i_track > TOTAL_TRACKS+1 || i_track == 0)
return false;
/* FIXME: Dunno if this is the right way, but it's what
I was using in cdinfo for a while.
*/
return ((_obj->tocent[track_num-1].cdte_ctrl & 2) != 0);
return ((_obj->tocent[i_track-FIRST_TRACK_NUM].cdte_ctrl & 2) != 0);
}
/*!
Return the starting MSF (minutes/secs/frames) for track number
track_num in obj. Track numbers start at 1.
i_track in obj. Track numbers start at 1.
The "leadout" track is specified either by
using track_num LEADOUT_TRACK or the total tracks+1.
using i_track LEADOUT_TRACK or the total tracks+1.
False is returned if there is no track entry.
*/
static bool
_get_track_msf_linux(void *env, track_t track_num, msf_t *msf)
_get_track_msf_linux(void *env, track_t i_track, msf_t *msf)
{
_img_private_t *_obj = env;
@@ -936,12 +937,12 @@ _get_track_msf_linux(void *env, track_t track_num, msf_t *msf)
if (!_obj->gen.toc_init) _cdio_read_toc (_obj) ;
if (track_num == CDIO_CDROM_LEADOUT_TRACK) track_num = TOTAL_TRACKS+1;
if (i_track == CDIO_CDROM_LEADOUT_TRACK) i_track = TOTAL_TRACKS+1;
if (track_num > TOTAL_TRACKS+1 || track_num == 0) {
if (i_track > TOTAL_TRACKS+1 || i_track == 0) {
return false;
} else {
struct cdrom_msf0 *msf0= &_obj->tocent[track_num-1].cdte_addr.msf;
struct cdrom_msf0 *msf0= &_obj->tocent[i_track-FIRST_TRACK_NUM].cdte_addr.msf;
msf->m = to_bcd8(msf0->minute);
msf->s = to_bcd8(msf0->second);
msf->f = to_bcd8(msf0->frame);