1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2008-2009 Ariff Abdullah <ariff@FreeBSD.org>
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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD$
29 */
30
31#ifndef _SND_INTPCM_H_
32#define _SND_INTPCM_H_
33
34typedef intpcm_t intpcm_read_t(uint8_t *);
35typedef void intpcm_write_t(uint8_t *, intpcm_t);
36
37extern intpcm_read_t *feeder_format_read_op(uint32_t);
38extern intpcm_write_t *feeder_format_write_op(uint32_t);
39
40#define INTPCM_DECLARE_OP_WRITE(SIGN, BIT, ENDIAN, SHIFT)		\
41static __inline void							\
42intpcm_write_##SIGN##BIT##ENDIAN(uint8_t *dst, intpcm_t v)		\
43{									\
44									\
45	_PCM_WRITE_##SIGN##BIT##_##ENDIAN(dst, v >> SHIFT);		\
46}
47
48#define INTPCM_DECLARE_OP_8(SIGN, ENDIAN)				\
49static __inline intpcm_t						\
50intpcm_read_##SIGN##8##ENDIAN(uint8_t *src)				\
51{									\
52									\
53	return (_PCM_READ_##SIGN##8##_##ENDIAN(src) << 24);		\
54}									\
55INTPCM_DECLARE_OP_WRITE(SIGN, 8, ENDIAN, 24)
56
57#define INTPCM_DECLARE_OP_16(SIGN, ENDIAN)				\
58static __inline intpcm_t						\
59intpcm_read_##SIGN##16##ENDIAN(uint8_t *src)				\
60{									\
61									\
62	return (_PCM_READ_##SIGN##16##_##ENDIAN(src) << 16);		\
63}									\
64INTPCM_DECLARE_OP_WRITE(SIGN, 16, ENDIAN, 16)
65
66#define INTPCM_DECLARE_OP_24(SIGN, ENDIAN)				\
67static __inline intpcm_t						\
68intpcm_read_##SIGN##24##ENDIAN(uint8_t *src)				\
69{									\
70									\
71	return (_PCM_READ_##SIGN##24##_##ENDIAN(src) << 8);		\
72}									\
73INTPCM_DECLARE_OP_WRITE(SIGN, 24, ENDIAN, 8)
74
75#define INTPCM_DECLARE_OP_32(SIGN, ENDIAN)				\
76static __inline intpcm_t						\
77intpcm_read_##SIGN##32##ENDIAN(uint8_t *src)				\
78{									\
79									\
80	return (_PCM_READ_##SIGN##32##_##ENDIAN(src));			\
81}									\
82									\
83static __inline void							\
84intpcm_write_##SIGN##32##ENDIAN(uint8_t *dst, intpcm_t v)		\
85{									\
86									\
87	_PCM_WRITE_##SIGN##32##_##ENDIAN(dst, v);			\
88}
89
90#define INTPCM_DECLARE(t)						\
91									\
92G711_DECLARE_TABLE(t);							\
93									\
94static __inline intpcm_t						\
95intpcm_read_ulaw(uint8_t *src)						\
96{									\
97									\
98	return (_G711_TO_INTPCM((t).ulaw_to_u8, *src) << 24);		\
99}									\
100									\
101static __inline intpcm_t						\
102intpcm_read_alaw(uint8_t *src)						\
103{									\
104									\
105	return (_G711_TO_INTPCM((t).alaw_to_u8, *src) << 24);		\
106}									\
107									\
108static __inline void							\
109intpcm_write_ulaw(uint8_t *dst, intpcm_t v)				\
110{									\
111									\
112	*dst = _INTPCM_TO_G711((t).u8_to_ulaw, v >> 24);		\
113}									\
114									\
115static __inline void							\
116intpcm_write_alaw(uint8_t *dst, intpcm_t v)				\
117{									\
118									\
119	*dst = _INTPCM_TO_G711((t).u8_to_alaw, v >> 24);		\
120}									\
121									\
122INTPCM_DECLARE_OP_8(S, NE)						\
123INTPCM_DECLARE_OP_16(S, LE)						\
124INTPCM_DECLARE_OP_16(S, BE)						\
125INTPCM_DECLARE_OP_24(S, LE)						\
126INTPCM_DECLARE_OP_24(S, BE)						\
127INTPCM_DECLARE_OP_32(S, LE)						\
128INTPCM_DECLARE_OP_32(S, BE)						\
129INTPCM_DECLARE_OP_8(U,  NE)						\
130INTPCM_DECLARE_OP_16(U, LE)						\
131INTPCM_DECLARE_OP_16(U, BE)						\
132INTPCM_DECLARE_OP_24(U, LE)						\
133INTPCM_DECLARE_OP_24(U, BE)						\
134INTPCM_DECLARE_OP_32(U, LE)						\
135INTPCM_DECLARE_OP_32(U, BE)
136
137#endif	/* !_SND_INTPCM_H_ */
138