gstreamer/sys/cdrom/gstcdplayer_ioctl_bsd.h

/* gstcdplay
 * Copyright (c) 2002 Charles Schmidt <cbschmid@uiuc.edu> 

 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#ifdef HAVE_CDROM_BSD_NETBSD /* net & open */
gboolean cd_init(struct cd *cd,const gchar *device)
{
	struct ioc_toc_header toc_header;
	struct ioc_read_toc_entry toc_entry;
	struct cd_toc_entry toc_entry_data;
	guint i;

	cd->fd = open(device,O_RDONLY | O_NONBLOCK);

	if (cd->fd == -1) {
		return FALSE;
	}

	/* get the toc header information */
	if (ioctl(cd->fd,CDIOREADTOCHDR,&toc_header) != 0) {
		close(cd->fd);
		cd->fd = -1;
		return FALSE;
	}

	/* read each entry in the toc header */
	for (i = 1; i <= toc_header.ending_track; i++) {
		toc_entry.address_format = CD_MSF_FORMAT;
		toc_entry.starting_track = i;
		toc_entry.data = &toc_entry_data;
		toc_entry.data_len = sizeof(toc_entry_data);

		if (ioctl(cd->fd,CDIOREADTOCENTRYS,&toc_entry) != 0) {
			close(cd->fd);
			cd->fd = -1;
			return FALSE;
		}

		cd->tracks[i].minute = toc_entry.data->addr.msf.minute;
		cd->tracks[i].second = toc_entry.data->addr.msf.second;
		cd->tracks[i].frame = toc_entry.data->addr.msf.frame;
		cd->tracks[i].data_track = (toc_entry.data->control & 4) == 4;
	}

	/* read the leadout */
	toc_entry.address_format = CD_MSF_FORMAT;
	toc_entry.starting_track = 0xAA; /* leadout */
	toc_entry.data = &toc_entry_data;
	toc_entry.data_len = sizeof(toc_entry_data);

	if (ioctl(cd->fd,CDIOREADTOCENTRYS,&toc_entry) != 0) {
		close(cd->fd);
		cd->fd = -1;
		return FALSE;
	}

	cd->tracks[LEADOUT].minute = toc_entry.data->addr.msf.minute;
	cd->tracks[LEADOUT].second = toc_entry.data->addr.msf.second;
	cd->tracks[LEADOUT].frame = toc_entry.data->addr.msf.frame;

	cd->num_tracks = toc_header.ending_track;

	return TRUE;
}
#elif defined HAVE_CDROM_BSD_DARWIN
gboolean cd_init(struct cd *cd,const gchar *device)
{
	struct ioc_toc_header toc_header;
	struct ioc_read_toc_entry toc_entry;
	guint i;

	cd->fd = open(device,O_RDONLY | O_NONBLOCK);

	if (cd->fd == -1) {
		return FALSE;
	}

	/* get the toc header information */
	if (ioctl(cd->fd,CDIOREADTOCHDR,&toc_header) != 0) {
		close(cd->fd);
		cd->fd = -1;
		return FALSE;
	}

	/* read each entry in the toc header */
	for (i = 1; i <= toc_header.ending_track; i++) {
		toc_entry.address_format = CD_MSF_FORMAT;
		toc_entry.starting_track = i;

		if (ioctl(cd->fd,CDIOREADTOCENTRYS,&toc_entry) != 0) {
			close(cd->fd);
			cd->fd = -1;
			return FALSE;
		}

		cd->tracks[i].minute = toc_entry.data->addr[1];
		cd->tracks[i].second = toc_entry.data->addr[2];
		cd->tracks[i].frame = toc_entry.data->addr[3];
		cd->tracks[i].data_track = (toc_entry.data->control & 4) == 4;
	}

	/* read the leadout */
	toc_entry.address_format = CD_MSF_FORMAT;
	toc_entry.starting_track = 0xAA; /* leadout */
	toc_entry.data = &toc_entry_data;
	toc_entry.data_len = sizeof(toc_entry_data);

	if (ioctl(cd->fd,CDIOREADTOCENTRYS,&toc_entry) != 0) {
		close(cd->fd);
		cd->fd = -1;
		return FALSE;
	}

	cd->tracks[LEADOUT].minute = toc_entry.data->addr[1];
	cd->tracks[LEADOUT].second = toc_entry.data->addr[2];
	cd->tracks[LEADOUT].frame = toc_entry.data->addr[3];

	cd->num_tracks = toc_header.ending_track;

	return TRUE;
}
#else /* free */
gboolean cd_init(struct cd *cd,const gchar *device)
{
	struct ioc_toc_header toc_header;
	struct ioc_read_toc_entry toc_entry;
	guint i;

	cd->fd = open(device,O_RDONLY | O_NONBLOCK);

	if (cd->fd == -1) {
		return FALSE;
	}

	/* get the toc header information */
	if (ioctl(cd->fd,CDIOREADTOCHDR,&toc_header) != 0) {
		close(cd->fd);
		cd->fd = -1;
		return FALSE;
	}

	/* read each entry in the toc header */
	for (i = 1; i <= toc_header.ending_track; i++) {
		toc_entry.address_format = CD_MSF_FORMAT;
		toc_entry.starting_track = i;

		if (ioctl(cd->fd,CDIOREADTOCENTRYS,&toc_entry) != 0) {
			close(cd->fd);
			cd->fd = -1;
			return FALSE;
		}

		cd->tracks[i].minute = toc_entry.entry.addr.msf.minute;
		cd->tracks[i].second = toc_entry.entry.addr.msf.second;
		cd->tracks[i].frame = toc_entry.entry.addr.msf.frame;
		cd->tracks[i].data_track = (toc_entry.data->control & 4) == 4;
	}

	/* read the leadout */
	toc_entry.address_format = CD_MSF_FORMAT;
	toc_entry.starting_track = 0xAA; /* leadout */
	toc_entry.data = &toc_entry_data;
	toc_entry.data_len = sizeof(toc_entry_data);

	if (ioctl(cd->fd,CDIOREADTOCENTRYS,&toc_entry) != 0) {
		close(cd->fd);
		cd->fd = -1;
		return FALSE;
	}

	cd->tracks[LEADOUT].minute = toc_entry.entry.addr.msf.minute;
	cd->tracks[LEADOUT].second = toc_entry.entry.addr.msf.second;
	cd->tracks[LEADOUT].frame = toc_entry.entry.addr.msf.frame;

	cd->num_tracks = toc_header.ending_track;

	return TRUE;
}
#endif

gboolean cd_start(struct cd *cd,gint start_track,gint end_track)
{
	struct ioc_play_msf msf;

	if (cd->fd == -1) {
		return FALSE;
	}

	cd_fix_track_range(cd,&start_track,&end_track);

	msf.start_m = cd->tracks[start_track].minute;
	msf.start_s = cd->tracks[start_track].second;
	msf.start_f = cd->tracks[start_track].frame;

	if (end_track == LEADOUT) {
		msf.end_m = cd->tracks[end_track].minute;
		msf.end_s = cd->tracks[end_track].second;
		msf.end_f = cd->tracks[end_track].frame;
	} else {
		msf.end_m = cd->tracks[end_track+1].minute;
		msf.end_s = cd->tracks[end_track+1].second;
		msf.end_f = cd->tracks[end_track+1].frame;
	}

	if (ioctl(cd->fd,CDIOCPLAYMSF,&msf) != 0) {
		return FALSE;
	}

}

gboolean cd_pause(struct cd *cd)
{
	if (cd->fd == -1) {
		return FALSE;
	}

	if (ioctl(cd->fd,CDIOCPAUSE,NULL) != 0) {
		return FALSE;
	}

	return TRUE;
}

gboolean cd_resume(struct cd *cd)
{
	if (cd->fd == -1) {
		return FALSE;
	}

	if (ioctl(cd->fd,CDIOCRESUME,NULL) != 0) {
		return FALSE;
	}

	return TRUE;
}

gboolean cd_stop(struct cd *cd)
{
	if (cd->fd == -1) {
		return FALSE;
	}

	if (ioctl(cd->fd,CDIOCSTOP,NULL) != 0) {
		return FALSE;
	}

	return TRUE;
}

/* -1 for error, 0 for not playing, 1 for playing */
CDStatus cd_status(struct cd *cd)
{
	struct ioc_read_subchannel sub_channel;
	struct cd_sub_channel_info sub_channel_info;

	if (cd->fd == -1) {
		return -1;
	}

	sub_channel.address_format = CD_MSF_FORMAT;
	sub_channel.data_format = CD_CURRENT_POSITION;
	sub_channel.track = 0;
	sub_channel.data = &sub_channel_info;
	sub_channel.data_len = sizeof(sub_channel_info);

	if (ioctl(cd->fd,CDIOCREADSUBCHANNEL,&sub_channel) != 0) {
		return FALSE;
	}

	switch (sub_channel.data->header.audio_status) {
		case CD_AS_PLAY_IN_PROGRESS:
		case CD_AS_PLAY_PAUSED:
			return CD_PLAYING;
			break;
		case CD_AS_PLAY_COMPLETED:
			return CD_COMPLETED;
			break;
		case CD_AS_AUDIO_INVALID:
		case CD_AS_PLAY_ERROR:
		default:
			return CD_ERROR;
			break;

	}
}

gint cd_current_track(struct cd *cd)
{
	struct ioc_read_subchannel sub_channel;
	struct cd_sub_channel_info sub_channel_info;

	if (cd->fd == -1) {
		return -1;
	}

	sub_channel.address_format = CD_MSF_FORMAT;
	sub_channel.data_format = CD_TRACK_INFO;
	sub_channel.track = 0;
	sub_channel.data = &sub_channel_info;
	sub_channel.data_len = sizeof(sub_channel_info);

	if (ioctl(cd->fd,CDIOCREADSUBCHANNEL,&sub_channel) != 0) {
		return -1;
	}

	return sub_channel.data->track_number;
}

gboolean cd_close(struct cd *cd)
{
	if (cd->fd == -1) {
		return TRUE;
	}

	if (close(cd->fd) != 0) {
		return FALSE;
	}

	cd->fd = -1;

	return TRUE;
}