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LBL "/dev/audio" include file. 

probably will need to be hacked if "the right things" are done to bsd_audio.c
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cgd 1994-01-09 19:30:17 +00:00
parent 642f2bffba
commit cb875046b8
1 changed files with 100 additions and 0 deletions
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sys/arch/i386/include/bsd_audioio.h Normal file
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/*
* Copyright (c) 1991-1993 Regents of the University of California.
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the Computer Systems
* Engineering Group at Lawrence Berkeley Laboratory.
* 4. Neither the name of the University nor of the Laboratory may be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*
* $Header: /cvsroot/src/sys/arch/i386/include/Attic/bsd_audioio.h,v 1.1 1994/01/09 19:30:17 cgd Exp $ (LBL)
*/
#ifndef _BSD_AUDIOIO_H_
#define _BSD_AUDIOIO_H_
/*
* /dev/audio ioctls. needs comments!
*/
#define AUDIO_MIN_GAIN (0)
#define AUDIO_MAX_GAIN (255)
#define AUDIO_ENCODING_ULAW (1)
#define AUDIO_ENCODING_ALAW (2)
#define AUDIO_ENCODING_LINEAR (3)
struct audio_prinfo {
u_int sample_rate;
u_int channels;
u_int precision;
u_int encoding;
u_int gain;
u_int port;
u_long seek; /* BSD extension */
u_int ispare[3];
u_int samples;
u_int eof;
u_char pause;
u_char error;
u_char waiting;
u_char cspare[3];
u_char open;
u_char active;
};
struct audio_info {
struct audio_prinfo play;
struct audio_prinfo record;
u_int monitor_gain;
/* BSD extensions */
u_int blocksize; /* input blocking threshold */
u_int hiwat; /* output high water mark */
u_int lowat; /* output low water mark */
u_int backlog; /* samples of output backlog to gen. */
#define AUMODE_PLAY 0
#define AUMODE_RECORD 1
u_int mode;
};
typedef struct audio_info audio_info_t;
#define AUDIO_INITINFO(p)\
(void)memset((void *)(p), 0xff, sizeof(struct audio_info))
#define AUDIO_GETINFO _IOR('A', 21, struct audio_info)
#define AUDIO_SETINFO _IOWR('A', 22, struct audio_info)
#define AUDIO_DRAIN _IO('A', 23)
#define AUDIO_FLUSH _IO('A', 24)
#define AUDIO_WSEEK _IOR('A', 25, u_long)
#define AUDIO_RERROR _IOR('A', 26, int)
#define AUDIO_GETMAP _IOR('A', 27, struct mapreg)
#define AUDIO_SETMAP _IOW('A', 28, struct mapreg)
#define AUDIO_SPEAKER 1
#define AUDIO_HEADPHONE 2
#endif /* _BSD_AUDIOIO_H_ */