/*
Copyright (C) 2011
Rocky Bernstein <rocky@gnu.org>
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 3 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, see <http://www.gnu.org/licenses/>.
*/
/* http://sourceforge.net/projects/discid/ using libcdio:
a small program to calculate the disc-ID for audio compact
discs. The disc-ID can be used to query info (tracks, title,
interpret) about compact audio discs from a CDDB-Server.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#define __CDIO_CONFIG_H__ 1
#endif
#ifdef HAVE_STDIO_H
#include <stdio.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <cdio/cdio.h>
static int cddb_sum(int n)
{
int result = 0;
while (n > 0)
{
result += n % 10;
n /= 10;
}
return result;
}
int
main(int argc, const char *argv[])
{
CdIo_t *p_cdio = cdio_open (NULL, DRIVER_UNKNOWN);
track_t i_track;
track_t i_tracks;
unsigned n = 0;
if (NULL == p_cdio) {
printf("Couldn't find a driver.. leaving.\n");
return 1;
}
i_tracks = cdio_get_num_tracks(p_cdio);
for (i_track = 1; i_track <= i_tracks; ++i_track) {
lba_t lba = cdio_get_track_lba(p_cdio, i_track);
n += cddb_sum(lba / CDIO_CD_FRAMES_PER_SEC);
}
{
unsigned start_sec =
cdio_get_track_lba(p_cdio, 1) / CDIO_CD_FRAMES_PER_SEC;
unsigned leadout_sec =
cdio_get_track_lba(p_cdio, CDIO_CDROM_LEADOUT_TRACK)
/ CDIO_CD_FRAMES_PER_SEC;
unsigned total = leadout_sec - start_sec;
unsigned id = ((n % 0xff) << 24 | total << 8 | i_tracks);
printf("%08X %d", id, i_tracks);
for (i_track = 1; i_track <= i_tracks; ++i_track) {
lba_t lba = cdio_get_track_lba(p_cdio, i_track);
printf(" %ld", (long) lba);
}
printf(" %ld\n", (long) cdio_get_track_lba(p_cdio,
CDIO_CDROM_LEADOUT_TRACK)
/ CDIO_CD_FRAMES_PER_SEC);
}
cdio_destroy(p_cdio);
return 0;
}