/* $NetBSD: audiodev.h,v 1.4 2013/08/11 06:31:00 dholland Exp $ */

/*
 * Copyright (c) 2010 Jared D. McNeill <jmcneill@invisible.ca>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _HAVE_AUDIODEV_H
#define _HAVE_AUDIODEV_H

#include <sys/audioio.h>
#include <sys/queue.h>
#include <sys/syslimits.h>

#include <stdbool.h>

struct audiodev {
	char pxname[16];	/* hw (parent) device */
	char xname[16];		/* audio(4) device */
	uint16_t unit;
	char path[PATH_MAX+1];

	int fd;
	dev_t dev;
	bool defaultdev;

	unsigned pchan;

	audio_device_t audio_device;

	TAILQ_ENTRY(audiodev) next;
};

int			audiodev_refresh(void);
unsigned int		audiodev_count(void);
struct audiodev *	audiodev_get(unsigned int);
int			audiodev_set_default(struct audiodev *);
int			audiodev_test(struct audiodev *, unsigned int);

#endif /* !_HAVE_AUDIODEV_H */