75 lines
2.4 KiB
C
75 lines
2.4 KiB
C
/* $NetBSD: audiodev.h,v 1.9 2019/08/24 07:39:42 isaki Exp $ */
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/*
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* Copyright (c) 2010 Jared D. McNeill <jmcneill@invisible.ca>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _HAVE_AUDIODEV_H
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#define _HAVE_AUDIODEV_H
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#include <sys/audioio.h>
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#include <sys/queue.h>
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#include <sys/syslimits.h>
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#include <stdbool.h>
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struct audiofmt {
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struct audio_format fmt;
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TAILQ_ENTRY(audiofmt) next;
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};
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struct audiodev {
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char pxname[16]; /* hw (parent) device */
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char xname[16]; /* audio(4) device */
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uint16_t unit;
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char path[PATH_MAX+1];
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char ctlpath[PATH_MAX+1];
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int fd;
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int ctlfd;
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dev_t dev;
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bool defaultdev;
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audio_device_t audio_device;
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TAILQ_HEAD(, audiofmt) formats;
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audio_info_t hwinfo;
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TAILQ_ENTRY(audiodev) next;
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};
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int audiodev_refresh(void);
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unsigned int audiodev_count(void);
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struct audiodev * audiodev_get(unsigned int);
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int audiodev_set_default(struct audiodev *);
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int audiodev_set_param(struct audiodev *, int,
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const char *, unsigned int, unsigned int,
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unsigned int);
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int audiodev_test(struct audiodev *);
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extern const char * encoding_names[];
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extern u_int encoding_max;
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#endif /* !_HAVE_AUDIODEV_H */
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