FreeBSD/Linux Kernel Cross Reference
sys/dev/mulaw.h
1 /* $NetBSD: mulaw.h,v 1.16 2003/07/08 09:07:15 itojun Exp $ */
2
3 /*-
4 * Copyright (c) 1996 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by John T. Kohl.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 /* Convert 8-bit mu-law to 16 bit unsigned linear. */
40 extern void mulaw_to_ulinear16_le(void *, u_char *, int);
41 extern void mulaw_to_ulinear16_be(void *, u_char *, int);
42 /* Convert 8-bit mu-law from/to 16 bit signed linear. */
43 extern void mulaw_to_slinear16_le(void *, u_char *, int);
44 extern void mulaw_to_slinear16_be(void *, u_char *, int);
45 extern void slinear16_to_mulaw_le(void *, u_char *, int);
46 /* Convert 8-bit mu-law to/from 8 bit unsigned linear. */
47 extern void mulaw_to_ulinear8(void *, u_char *, int);
48 extern void ulinear8_to_mulaw(void *, u_char *, int);
49 /* Convert 8-bit mu-law to/from 8 bit signed linear. */
50 extern void mulaw_to_slinear8(void *, u_char *, int);
51 extern void slinear8_to_mulaw(void *, u_char *, int);
52 /* Convert 8-bit A-law to 16 bit unsigned linear. */
53 extern void alaw_to_ulinear16_le(void *, u_char *, int);
54 extern void alaw_to_ulinear16_be(void *, u_char *, int);
55 /* Convert 8-bit A-law to/from 16 bit signed linear. */
56 extern void alaw_to_slinear16_le(void *, u_char *, int);
57 extern void alaw_to_slinear16_be(void *, u_char *, int);
58 extern void slinear16_to_alaw_le(void *, u_char *, int);
59 extern void slinear16_to_alaw_be(void *, u_char *, int);
60 /* Convert 8-bit A-law to/from 8 bit unsigned linear. */
61 extern void alaw_to_ulinear8(void *, u_char *, int);
62 extern void ulinear8_to_alaw(void *, u_char *, int);
63 /* Convert 8-bit A-law to/from 8 bit signed linear. */
64 extern void alaw_to_slinear8(void *, u_char *, int);
65 extern void slinear8_to_alaw(void *, u_char *, int);
Cache object: fd753164a9eaac4ae8175460254de8de
|