freebsd-skq/sys/dev/sound/unit.h
ariff 1469bf4a20 Last major commit and updates for RELENG_7:
Add few new files. The _real_ commit will follow shortly, so fasten
up your seatbelts, sit back and enjoy the ride..
2007-05-31 18:35:24 +00:00

53 lines
1.9 KiB
C

/*-
* Copyright (c) 2007 Ariff Abdullah <ariff@FreeBSD.org>
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
#ifndef _SND_UNIT_H_
#define _SND_UNIT_H_
#define SND_UNIT_UMIN 16
#define SND_UNIT_UMAX 2048
int snd_max_u(void);
int snd_max_d(void);
int snd_max_c(void);
int snd_unit2u(int);
int snd_unit2d(int);
int snd_unit2c(int);
int snd_u2unit(int);
int snd_d2unit(int);
int snd_c2unit(int);
int snd_mkunit(int, int, int);
void snd_unit_init(void);
#define SND_U_MASK (snd_u2unit(snd_max_u()))
#define SND_D_MASK (snd_d2unit(snd_max_d()))
#define SND_C_MASK (snd_c2unit(snd_max_c()))
#endif /* !_SND_UNIT_H_ */