audiodev.h revision 1.8 1 /* $NetBSD: audiodev.h,v 1.8 2019/08/24 05:45:25 isaki 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 audiofmt {
39 struct audio_format fmt;
40 TAILQ_ENTRY(audiofmt) next;
41 };
42
43 struct audiodev {
44 char pxname[16]; /* hw (parent) device */
45 char xname[16]; /* audio(4) device */
46 uint16_t unit;
47 char path[PATH_MAX+1];
48 char ctlpath[PATH_MAX+1];
49 int fd;
50 int ctlfd;
51
52 dev_t dev;
53 bool defaultdev;
54
55 audio_device_t audio_device;
56 TAILQ_HEAD(, audiofmt) formats;
57 audio_info_t hwinfo;
58
59 TAILQ_ENTRY(audiodev) next;
60 };
61
62 int audiodev_refresh(void);
63 unsigned int audiodev_maxunit(void);
64 struct audiodev * audiodev_get(unsigned int);
65 int audiodev_set_default(struct audiodev *);
66 int audiodev_set_param(struct audiodev *, int,
67 const char *, unsigned int, unsigned int,
68 unsigned int);
69 int audiodev_test(struct audiodev *);
70
71 extern const char * encoding_names[];
72 extern u_int encoding_max;
73
74 #endif /* !_HAVE_AUDIODEV_H */
75