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audiodev.h revision 1.3.12.1 
      1 /* $NetBSD: audiodev.h,v 1.3.12.1 2014/08/20 00:04:56 tls Exp $ */
      2 
      3 /*
      4  * Copyright (c) 2010 Jared D. McNeill <jmcneill (at) invisible.ca>
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef _HAVE_AUDIODEV_H
     30 #define _HAVE_AUDIODEV_H
     31 
     32 #include <sys/audioio.h>
     33 #include <sys/queue.h>
     34 #include <sys/syslimits.h>
     35 
     36 #include <stdbool.h>
     37 
     38 struct audiodev {
     39 	char pxname[16];	/* hw (parent) device */
     40 	char xname[16];		/* audio(4) device */
     41 	uint16_t unit;
     42 	char path[PATH_MAX+1];
     43 
     44 	int fd;
     45 	dev_t dev;
     46 	bool defaultdev;
     47 
     48 	unsigned pchan;
     49 
     50 	audio_device_t audio_device;
     51 
     52 	TAILQ_ENTRY(audiodev) next;
     53 };
     54 
     55 int			audiodev_refresh(void);
     56 unsigned int		audiodev_count(void);
     57 struct audiodev *	audiodev_get(unsigned int);
     58 int			audiodev_set_default(struct audiodev *);
     59 int			audiodev_test(struct audiodev *, unsigned int);
     60 
     61 #endif /* !_HAVE_AUDIODEV_H */
     62