354 lines
8.3 KiB
C
354 lines
8.3 KiB
C
/* gstcdplay
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* Copyright (c) 2002 Charles Schmidt <cbschmid@uiuc.edu>
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CDROM_BSD_NETBSD /* net & open */
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#ifndef CDIOREADTOCHDR
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#define CDIOREADTOCHDR CDIOREADTOCHEADER
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#endif
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gboolean
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cd_init (struct cd *cd, const gchar * device)
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{
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struct ioc_toc_header toc_header;
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struct ioc_read_toc_entry toc_entry;
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struct cd_toc_entry toc_entry_data;
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guint i;
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cd->fd = open (device, O_RDONLY | O_NONBLOCK);
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if (cd->fd == -1) {
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return FALSE;
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}
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/* get the toc header information */
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if (ioctl (cd->fd, CDIOREADTOCHDR, &toc_header) != 0) {
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close (cd->fd);
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cd->fd = -1;
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return FALSE;
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}
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/* read each entry in the toc header */
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for (i = 1; i <= toc_header.ending_track; i++) {
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toc_entry.address_format = CD_MSF_FORMAT;
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toc_entry.starting_track = i;
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toc_entry.data = &toc_entry_data;
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toc_entry.data_len = sizeof (toc_entry_data);
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if (ioctl (cd->fd, CDIOREADTOCENTRYS, &toc_entry) != 0) {
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close (cd->fd);
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cd->fd = -1;
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return FALSE;
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}
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cd->tracks[i].minute = toc_entry.data->addr.msf.minute;
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cd->tracks[i].second = toc_entry.data->addr.msf.second;
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cd->tracks[i].frame = toc_entry.data->addr.msf.frame;
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cd->tracks[i].data_track = (toc_entry.data->control & 4) == 4;
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}
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/* read the leadout */
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toc_entry.address_format = CD_MSF_FORMAT;
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toc_entry.starting_track = 0xAA; /* leadout */
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toc_entry.data = &toc_entry_data;
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toc_entry.data_len = sizeof (toc_entry_data);
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if (ioctl (cd->fd, CDIOREADTOCENTRYS, &toc_entry) != 0) {
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close (cd->fd);
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cd->fd = -1;
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return FALSE;
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}
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cd->tracks[LEADOUT].minute = toc_entry.data->addr.msf.minute;
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cd->tracks[LEADOUT].second = toc_entry.data->addr.msf.second;
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cd->tracks[LEADOUT].frame = toc_entry.data->addr.msf.frame;
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cd->num_tracks = toc_header.ending_track;
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return TRUE;
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}
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#elif defined HAVE_CDROM_BSD_DARWIN
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gboolean
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cd_init (struct cd *cd, const gchar * device)
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{
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struct ioc_toc_header toc_header;
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struct ioc_read_toc_entry toc_entry;
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guint i;
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cd->fd = open (device, O_RDONLY | O_NONBLOCK);
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if (cd->fd == -1) {
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return FALSE;
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}
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/* get the toc header information */
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if (ioctl (cd->fd, CDIOREADTOCHDR, &toc_header) != 0) {
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close (cd->fd);
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cd->fd = -1;
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return FALSE;
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}
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/* read each entry in the toc header */
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for (i = 1; i <= toc_header.ending_track; i++) {
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toc_entry.address_format = CD_MSF_FORMAT;
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toc_entry.starting_track = i;
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if (ioctl (cd->fd, CDIOREADTOCENTRYS, &toc_entry) != 0) {
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close (cd->fd);
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cd->fd = -1;
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return FALSE;
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}
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cd->tracks[i].minute = toc_entry.data->addr[1];
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cd->tracks[i].second = toc_entry.data->addr[2];
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cd->tracks[i].frame = toc_entry.data->addr[3];
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cd->tracks[i].data_track = (toc_entry.data->control & 4) == 4;
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}
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/* read the leadout */
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toc_entry.address_format = CD_MSF_FORMAT;
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toc_entry.starting_track = 0xAA; /* leadout */
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toc_entry.data = &toc_entry_data;
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toc_entry.data_len = sizeof (toc_entry_data);
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if (ioctl (cd->fd, CDIOREADTOCENTRYS, &toc_entry) != 0) {
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close (cd->fd);
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cd->fd = -1;
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return FALSE;
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}
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cd->tracks[LEADOUT].minute = toc_entry.data->addr[1];
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cd->tracks[LEADOUT].second = toc_entry.data->addr[2];
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cd->tracks[LEADOUT].frame = toc_entry.data->addr[3];
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cd->num_tracks = toc_header.ending_track;
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return TRUE;
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}
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#else /* free */
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gboolean
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cd_init (struct cd *cd, const gchar * device)
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{
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struct ioc_toc_header toc_header;
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struct ioc_read_toc_entry toc_entry;
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guint i;
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cd->fd = open (device, O_RDONLY | O_NONBLOCK);
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if (cd->fd == -1) {
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return FALSE;
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}
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/* get the toc header information */
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if (ioctl (cd->fd, CDIOREADTOCHDR, &toc_header) != 0) {
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close (cd->fd);
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cd->fd = -1;
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return FALSE;
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}
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/* read each entry in the toc header */
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for (i = 1; i <= toc_header.ending_track; i++) {
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toc_entry.address_format = CD_MSF_FORMAT;
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toc_entry.starting_track = i;
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if (ioctl (cd->fd, CDIOREADTOCENTRYS, &toc_entry) != 0) {
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close (cd->fd);
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cd->fd = -1;
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return FALSE;
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}
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cd->tracks[i].minute = toc_entry.entry.addr.msf.minute;
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cd->tracks[i].second = toc_entry.entry.addr.msf.second;
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cd->tracks[i].frame = toc_entry.entry.addr.msf.frame;
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cd->tracks[i].data_track = (toc_entry.data->control & 4) == 4;
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}
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/* read the leadout */
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toc_entry.address_format = CD_MSF_FORMAT;
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toc_entry.starting_track = 0xAA; /* leadout */
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toc_entry.data = &toc_entry_data;
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toc_entry.data_len = sizeof (toc_entry_data);
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if (ioctl (cd->fd, CDIOREADTOCENTRYS, &toc_entry) != 0) {
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close (cd->fd);
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cd->fd = -1;
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return FALSE;
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}
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cd->tracks[LEADOUT].minute = toc_entry.entry.addr.msf.minute;
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cd->tracks[LEADOUT].second = toc_entry.entry.addr.msf.second;
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cd->tracks[LEADOUT].frame = toc_entry.entry.addr.msf.frame;
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cd->num_tracks = toc_header.ending_track;
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return TRUE;
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}
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#endif
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gboolean
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cd_start (struct cd * cd, gint start_track, gint end_track)
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{
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struct ioc_play_msf msf;
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if (cd->fd == -1) {
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return FALSE;
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}
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cd_fix_track_range (cd, &start_track, &end_track);
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msf.start_m = cd->tracks[start_track].minute;
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msf.start_s = cd->tracks[start_track].second;
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msf.start_f = cd->tracks[start_track].frame;
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if (end_track == LEADOUT) {
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msf.end_m = cd->tracks[end_track].minute;
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msf.end_s = cd->tracks[end_track].second;
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msf.end_f = cd->tracks[end_track].frame;
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} else {
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msf.end_m = cd->tracks[end_track + 1].minute;
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msf.end_s = cd->tracks[end_track + 1].second;
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msf.end_f = cd->tracks[end_track + 1].frame;
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}
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if (ioctl (cd->fd, CDIOCPLAYMSF, &msf) != 0) {
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return FALSE;
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}
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}
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gboolean
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cd_pause (struct cd * cd)
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{
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if (cd->fd == -1) {
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return FALSE;
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}
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if (ioctl (cd->fd, CDIOCPAUSE, NULL) != 0) {
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return FALSE;
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}
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return TRUE;
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}
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gboolean
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cd_resume (struct cd * cd)
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{
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if (cd->fd == -1) {
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return FALSE;
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}
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if (ioctl (cd->fd, CDIOCRESUME, NULL) != 0) {
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return FALSE;
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}
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return TRUE;
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}
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gboolean
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cd_stop (struct cd * cd)
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{
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if (cd->fd == -1) {
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return FALSE;
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}
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if (ioctl (cd->fd, CDIOCSTOP, NULL) != 0) {
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return FALSE;
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}
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return TRUE;
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}
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/* -1 for error, 0 for not playing, 1 for playing */
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CDStatus
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cd_status (struct cd * cd)
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{
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struct ioc_read_subchannel sub_channel;
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struct cd_sub_channel_info sub_channel_info;
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if (cd->fd == -1) {
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return -1;
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}
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sub_channel.address_format = CD_MSF_FORMAT;
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sub_channel.data_format = CD_CURRENT_POSITION;
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sub_channel.track = 0;
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sub_channel.data = &sub_channel_info;
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sub_channel.data_len = sizeof (sub_channel_info);
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if (ioctl (cd->fd, CDIOCREADSUBCHANNEL, &sub_channel) != 0) {
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return FALSE;
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}
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switch (sub_channel.data->header.audio_status) {
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case CD_AS_PLAY_IN_PROGRESS:
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case CD_AS_PLAY_PAUSED:
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return CD_PLAYING;
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break;
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case CD_AS_PLAY_COMPLETED:
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return CD_COMPLETED;
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break;
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case CD_AS_AUDIO_INVALID:
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case CD_AS_PLAY_ERROR:
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default:
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return CD_ERROR;
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break;
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}
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}
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gint
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cd_current_track (struct cd *cd)
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{
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struct ioc_read_subchannel sub_channel;
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struct cd_sub_channel_info sub_channel_info;
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if (cd->fd == -1) {
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return -1;
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}
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sub_channel.address_format = CD_MSF_FORMAT;
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sub_channel.data_format = CD_TRACK_INFO;
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sub_channel.track = 0;
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sub_channel.data = &sub_channel_info;
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sub_channel.data_len = sizeof (sub_channel_info);
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if (ioctl (cd->fd, CDIOCREADSUBCHANNEL, &sub_channel) != 0) {
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return -1;
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}
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#ifdef __NetBSD__
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return sub_channel.data->what.track_info.track_number;
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#else
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return sub_channel.data->track_number;
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#endif
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}
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gboolean
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cd_close (struct cd * cd)
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{
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if (cd->fd == -1) {
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return TRUE;
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}
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if (close (cd->fd) != 0) {
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return FALSE;
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}
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cd->fd = -1;
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return TRUE;
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}
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