1 /* $NetBSD: audiodev.h,v 1.9 2019/08/24 07:39:42 isaki Exp $ */ 2 3 /* 4 * Copyright (c) 2010 Jared D. McNeill <jmcneill@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_count(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