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libcdio-osx/lib/image_common.h
rocky a664ea08b0 Regularize and I hope simplify names a bit more.
image/*.c: (bogus) eject media now frees resources
bincue.c: missing default_devices routine in function initialization table.
2004-04-25 14:48:17 +00:00

86 lines
2.2 KiB
C

/*
$Id: image_common.h,v 1.4 2004/04/25 14:48:17 rocky Exp $
Copyright (C) 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
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* Common image routines. */
/*!
Return the media catalog number (MCN) from the CD or NULL if there
is none or we don't have the ability to get it.
Note: string is malloc'd so caller has to free() the returned
string when done with it.
*/
static char *
_get_mcn_image(const void *env)
{
const _img_private_t *_obj = env;
if (NULL == _obj->mcn) return NULL;
return strdup(_obj->mcn);
}
/*!
Return the starting MSF (minutes/secs/frames) for the track number
track_num in obj. Tracks numbers start at 1.
The "leadout" track is specified either by
using track_num LEADOUT_TRACK or the total tracks+1.
*/
static bool
_get_track_msf_image(void *env, track_t track_num, msf_t *msf)
{
_img_private_t *_obj = env;
if (NULL == msf) return false;
if (track_num == CDIO_CDROM_LEADOUT_TRACK) track_num = _obj->total_tracks+1;
if (track_num <= _obj->total_tracks+1 && track_num != 0) {
*msf = _obj->tocent[track_num-1].start_msf;
return true;
} else
return false;
}
/*!
Return the number of of the first track.
CDIO_INVALID_TRACK is returned on error.
*/
static track_t
_get_first_track_num_image(void *env)
{
_img_private_t *_obj = env;
return _obj->first_track_num;
}
/*!
Return the number of tracks. We fake it an just say there's
one big track.
*/
static track_t
_get_num_tracks_image(void *env)
{
_img_private_t *_obj = env;
return _obj->total_tracks;
}