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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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345 lines
10 KiB
C
345 lines
10 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 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 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 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 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 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 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 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 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 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 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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