80 lines
1.7 KiB
C
80 lines
1.7 KiB
C
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/*
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$Id: sector.c,v 1.1 2003/03/24 19:01:09 rocky Exp $
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Copyright (C) 2000 Herbert Valerio Riedel <hvr@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 2 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, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include "cdio_assert.h"
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#include "sector.h"
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#include "util.h"
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static const char _rcsid[] = "$Id: sector.c,v 1.1 2003/03/24 19:01:09 rocky Exp $";
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void
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cdio_lba_to_msf (uint32_t lba, msf_t *msf)
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{
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cdio_assert (msf != 0);
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msf->m = to_bcd8 (lba / (60 * 75));
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msf->s = to_bcd8 ((lba / 75) % 60);
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msf->f = to_bcd8 (lba % 75);
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}
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void
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cdio_lsn_to_msf (lsn_t lsn, msf_t *msf)
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{
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cdio_assert (msf != 0);
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cdio_lba_to_msf(cdio_lsn_to_lba(lsn), msf);
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}
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uint32_t
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cdio_msf_to_lba (const msf_t *msf)
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{
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uint32_t lba = 0;
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cdio_assert (msf != 0);
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lba = from_bcd8 (msf->m);
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lba *= 60;
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lba += from_bcd8 (msf->s);
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lba *= 75;
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lba += from_bcd8 (msf->f);
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return lba;
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}
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uint32_t
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cdio_msf_to_lsn (const msf_t *msf)
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{
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return cdio_lba_to_lsn(cdio_msf_to_lba (msf));
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}
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/*
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* Local variables:
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* c-file-style: "gnu"
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*/
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