84 lines
2.2 KiB
C
84 lines
2.2 KiB
C
/*
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Copyright (C) 2011
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Rocky Bernstein <rocky@gnu.org>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* http://sourceforge.net/projects/discid/ using libcdio:
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a small program to calculate the disc-ID for audio compact
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discs. The disc-ID can be used to query info (tracks, title,
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interpret) about compact audio discs from a CDDB-Server.
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*/
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#include <stdio.h>
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#include <cdio/cdio.h>
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static int cddb_sum(int n)
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{
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int result = 0;
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while (n > 0)
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{
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result += n % 10;
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n /= 10;
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}
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return result;
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}
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int
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main(int argc, const char *argv[])
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{
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CdIo_t *p_cdio = cdio_open (NULL, DRIVER_UNKNOWN);
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track_t i_track;
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track_t i_tracks;
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unsigned n = 0;
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if (NULL == p_cdio) {
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printf("Couldn't find a driver.. leaving.\n");
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return 1;
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}
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i_tracks = cdio_get_num_tracks(p_cdio);
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for (i_track = 1; i_track <= i_tracks; ++i_track) {
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lba_t lba = cdio_get_track_lba(p_cdio, i_track);
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n += cddb_sum(lba / CDIO_CD_FRAMES_PER_SEC);
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}
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{
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unsigned start_sec =
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cdio_get_track_lba(p_cdio, 1) / CDIO_CD_FRAMES_PER_SEC;
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unsigned leadout_sec =
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cdio_get_track_lba(p_cdio, CDIO_CDROM_LEADOUT_TRACK)
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/ CDIO_CD_FRAMES_PER_SEC;
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unsigned total = leadout_sec - start_sec;
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unsigned id = ((n % 0xff) << 24 | total << 8 | i_tracks);
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printf("%08X %d", id, i_tracks);
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for (i_track = 1; i_track <= i_tracks; ++i_track) {
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lba_t lba = cdio_get_track_lba(p_cdio, i_track);
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printf(" %ld", (long) lba);
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}
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printf(" %ld\n", (long) cdio_get_track_lba(p_cdio,
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CDIO_CDROM_LEADOUT_TRACK)
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/ CDIO_CD_FRAMES_PER_SEC);
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}
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cdio_destroy(p_cdio);
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return 0;
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}
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