diff options
Diffstat (limited to 'src/input/vcd/libcdio/sector.c')
-rw-r--r-- | src/input/vcd/libcdio/sector.c | 289 |
1 files changed, 0 insertions, 289 deletions
diff --git a/src/input/vcd/libcdio/sector.c b/src/input/vcd/libcdio/sector.c deleted file mode 100644 index da49e9908..000000000 --- a/src/input/vcd/libcdio/sector.c +++ /dev/null @@ -1,289 +0,0 @@ -/* - $Id: sector.c,v 1.3 2005/01/01 02:43:57 rockyb Exp $ - - Copyright (C) 2000 Herbert Valerio Riedel <hvr@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 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 -*/ - -#ifdef HAVE_CONFIG_H -# include "config.h" -#endif - -#include <cdio/sector.h> -#include <cdio/util.h> -#include <cdio/logging.h> -#include "cdio_assert.h" - -#include <stdio.h> -#ifdef HAVE_STRING_H -#include <string.h> -#endif - -#include <ctype.h> - -static const char _rcsid[] = "$Id: sector.c,v 1.3 2005/01/01 02:43:57 rockyb Exp $"; - -lba_t -cdio_lba_to_lsn (lba_t lba) -{ - if (CDIO_INVALID_LBA == lba) return CDIO_INVALID_LSN; - return lba - CDIO_PREGAP_SECTORS; -} - -/* - The below is adapted from cdparanoia code which claims it is - straight from the MMC3 spec. -*/ - -void -cdio_lsn_to_msf (lsn_t lsn, msf_t *msf) -{ - int m, s, f; - - cdio_assert (msf != 0); - - if ( lsn >= -CDIO_PREGAP_SECTORS ){ - m = (lsn + CDIO_PREGAP_SECTORS) / CDIO_CD_FRAMES_PER_MIN; - lsn -= m * CDIO_CD_FRAMES_PER_MIN; - s = (lsn + CDIO_PREGAP_SECTORS) / CDIO_CD_FRAMES_PER_SEC; - lsn -= s * CDIO_CD_FRAMES_PER_SEC; - f = lsn + CDIO_PREGAP_SECTORS; - } else { - m = (lsn + CDIO_CD_MAX_LSN) / CDIO_CD_FRAMES_PER_MIN; - lsn -= m * (CDIO_CD_FRAMES_PER_MIN); - s = (lsn+CDIO_CD_MAX_LSN) / CDIO_CD_FRAMES_PER_SEC; - lsn -= s * CDIO_CD_FRAMES_PER_SEC; - f = lsn + CDIO_CD_MAX_LSN; - } - - if (m > 99) { - cdio_warn ("number of minutes (%d) truncated to 99.", m); - m = 99; - } - - msf->m = cdio_to_bcd8 (m); - msf->s = cdio_to_bcd8 (s); - msf->f = cdio_to_bcd8 (f); -} - -/*! - Convert an LBA into a string representation of the MSF. - \warning cdio_lba_to_msf_str returns new allocated string */ -char * -cdio_lba_to_msf_str (lba_t lba) -{ - - if (CDIO_INVALID_LBA == lba) { - return strdup("*INVALID"); - } else { - msf_t msf; - msf.m = msf.s = msf.f = 0; - cdio_lba_to_msf (lba, &msf); - return cdio_msf_to_str(&msf); - } -} - -/*! - Convert an LSN into the corresponding LBA. - CDIO_INVALID_LBA is returned if there is an error. -*/ -lba_t -cdio_lsn_to_lba (lsn_t lsn) -{ - if (CDIO_INVALID_LSN == lsn) return CDIO_INVALID_LBA; - return lsn + CDIO_PREGAP_SECTORS; -} - -/*! - Convert an LBA into the corresponding MSF. -*/ -void -cdio_lba_to_msf (lba_t lba, msf_t *msf) -{ - cdio_assert (msf != 0); - cdio_lsn_to_msf(cdio_lba_to_lsn(lba), msf); -} - -/*! - Convert a MSF into the corresponding LBA. - CDIO_INVALID_LBA is returned if there is an error. -*/ -lba_t -cdio_msf_to_lba (const msf_t *msf) -{ - uint32_t lba = 0; - - cdio_assert (msf != 0); - - lba = cdio_from_bcd8 (msf->m); - lba *= CDIO_CD_SECS_PER_MIN; - - lba += cdio_from_bcd8 (msf->s); - lba *= CDIO_CD_FRAMES_PER_SEC; - - lba += cdio_from_bcd8 (msf->f); - - return lba; -} - -/*! - Convert a MSF into the corresponding LSN. - CDIO_INVALID_LSN is returned if there is an error. -*/ -lba_t -cdio_msf_to_lsn (const msf_t *msf) -{ - return cdio_lba_to_lsn(cdio_msf_to_lba (msf)); -} - -/*! - Convert an LBA into a string representation of the MSF. - \warning cdio_lba_to_msf_str returns new allocated string */ -char * -cdio_msf_to_str (const msf_t *msf) -{ - char buf[16]; - - snprintf (buf, sizeof (buf), "%2.2x:%2.2x:%2.2x", msf->m, msf->s, msf->f); - return strdup (buf); -} - -/*! - Convert a MSF - broken out as 3 integer components into the - corresponding LBA. - CDIO_INVALID_LBA is returned if there is an error. -*/ -lba_t -cdio_msf3_to_lba (unsigned int minutes, unsigned int seconds, - unsigned int frames) -{ - return ((minutes * CDIO_CD_SECS_PER_MIN + seconds) * CDIO_CD_FRAMES_PER_SEC - + frames); -} - -/*! - Convert a string of the form MM:SS:FF into the corresponding LBA. - CDIO_INVALID_LBA is returned if there is an error. -*/ -lba_t -cdio_mmssff_to_lba (const char *psz_mmssff) -{ - int psz_field; - lba_t ret; - char c; - - if (0 == strcmp (psz_mmssff, "0")) - return 0; - - c = *psz_mmssff++; - if(c >= '0' && c <= '9') - psz_field = (c - '0'); - else - return CDIO_INVALID_LBA; - while(':' != (c = *psz_mmssff++)) { - if(c >= '0' && c <= '9') - psz_field = psz_field * 10 + (c - '0'); - else - return CDIO_INVALID_LBA; - } - - ret = cdio_msf3_to_lba (psz_field, 0, 0); - - c = *psz_mmssff++; - if(c >= '0' && c <= '9') - psz_field = (c - '0'); - else - return CDIO_INVALID_LBA; - if(':' != (c = *psz_mmssff++)) { - if(c >= '0' && c <= '9') { - psz_field = psz_field * 10 + (c - '0'); - c = *psz_mmssff++; - if(c != ':') - return CDIO_INVALID_LBA; - } - else - return CDIO_INVALID_LBA; - } - - if(psz_field >= CDIO_CD_SECS_PER_MIN) - return CDIO_INVALID_LBA; - - ret += cdio_msf3_to_lba (0, psz_field, 0); - - c = *psz_mmssff++; - if (isdigit(c)) - psz_field = (c - '0'); - else - return -1; - if('\0' != (c = *psz_mmssff++)) { - if (isdigit(c)) { - psz_field = psz_field * 10 + (c - '0'); - c = *psz_mmssff++; - } - else - return CDIO_INVALID_LBA; - } - - if('\0' != c) - return CDIO_INVALID_LBA; - - if(psz_field >= CDIO_CD_FRAMES_PER_SEC) - return CDIO_INVALID_LBA; - - ret += psz_field; - - return ret; -} - -bool -cdio_is_discmode_cdrom(discmode_t discmode) -{ - switch (discmode) { - case CDIO_DISC_MODE_CD_DA: - case CDIO_DISC_MODE_CD_DATA: - case CDIO_DISC_MODE_CD_XA: - case CDIO_DISC_MODE_CD_MIXED: - case CDIO_DISC_MODE_NO_INFO: - return true; - default: - return false; - } -} - -bool -cdio_is_discmode_dvd(discmode_t discmode) -{ - switch (discmode) { - case CDIO_DISC_MODE_DVD_ROM: - case CDIO_DISC_MODE_DVD_RAM: - case CDIO_DISC_MODE_DVD_R: - case CDIO_DISC_MODE_DVD_RW: - case CDIO_DISC_MODE_DVD_PR: - case CDIO_DISC_MODE_DVD_PRW: - return true; - default: - return false; - } -} - - -/* - * Local variables: - * c-file-style: "gnu" - * tab-width: 8 - * indent-tabs-mode: nil - * End: - */ |