2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2008-2009 Ariff Abdullah <ariff@FreeBSD.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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
31 #ifndef _SND_INTPCM_H_
32 #define _SND_INTPCM_H_
34 typedef intpcm_t intpcm_read_t(uint8_t *);
35 typedef void intpcm_write_t(uint8_t *, intpcm_t);
37 extern intpcm_read_t *feeder_format_read_op(uint32_t);
38 extern intpcm_write_t *feeder_format_write_op(uint32_t);
40 #define INTPCM_DECLARE_OP_WRITE(SIGN, BIT, ENDIAN, SHIFT) \
41 static __inline void \
42 intpcm_write_##SIGN##BIT##ENDIAN(uint8_t *dst, intpcm_t v) \
45 _PCM_WRITE_##SIGN##BIT##_##ENDIAN(dst, v >> SHIFT); \
48 #define INTPCM_DECLARE_OP_8(SIGN, ENDIAN) \
49 static __inline intpcm_t \
50 intpcm_read_##SIGN##8##ENDIAN(uint8_t *src) \
53 return (_PCM_READ_##SIGN##8##_##ENDIAN(src) << 24); \
55 INTPCM_DECLARE_OP_WRITE(SIGN, 8, ENDIAN, 24)
57 #define INTPCM_DECLARE_OP_16(SIGN, ENDIAN) \
58 static __inline intpcm_t \
59 intpcm_read_##SIGN##16##ENDIAN(uint8_t *src) \
62 return (_PCM_READ_##SIGN##16##_##ENDIAN(src) << 16); \
64 INTPCM_DECLARE_OP_WRITE(SIGN, 16, ENDIAN, 16)
66 #define INTPCM_DECLARE_OP_24(SIGN, ENDIAN) \
67 static __inline intpcm_t \
68 intpcm_read_##SIGN##24##ENDIAN(uint8_t *src) \
71 return (_PCM_READ_##SIGN##24##_##ENDIAN(src) << 8); \
73 INTPCM_DECLARE_OP_WRITE(SIGN, 24, ENDIAN, 8)
75 #define INTPCM_DECLARE_OP_32(SIGN, ENDIAN) \
76 static __inline intpcm_t \
77 intpcm_read_##SIGN##32##ENDIAN(uint8_t *src) \
80 return (_PCM_READ_##SIGN##32##_##ENDIAN(src)); \
83 static __inline void \
84 intpcm_write_##SIGN##32##ENDIAN(uint8_t *dst, intpcm_t v) \
87 _PCM_WRITE_##SIGN##32##_##ENDIAN(dst, v); \
91 #define INTPCM_DECLARE(t) \
93 G711_DECLARE_TABLE(t); \
95 static __inline intpcm_t \
96 intpcm_read_ulaw(uint8_t *src) \
99 return (_G711_TO_INTPCM((t).ulaw_to_u8, *src) << 24); \
102 static __inline intpcm_t \
103 intpcm_read_alaw(uint8_t *src) \
106 return (_G711_TO_INTPCM((t).alaw_to_u8, *src) << 24); \
109 static __inline void \
110 intpcm_write_ulaw(uint8_t *dst, intpcm_t v) \
113 *dst = _INTPCM_TO_G711((t).u8_to_ulaw, v >> 24); \
116 static __inline void \
117 intpcm_write_alaw(uint8_t *dst, intpcm_t v) \
120 *dst = _INTPCM_TO_G711((t).u8_to_alaw, v >> 24); \
123 INTPCM_DECLARE_OP_8(S, NE) \
124 INTPCM_DECLARE_OP_16(S, LE) \
125 INTPCM_DECLARE_OP_16(S, BE) \
126 INTPCM_DECLARE_OP_24(S, LE) \
127 INTPCM_DECLARE_OP_24(S, BE) \
128 INTPCM_DECLARE_OP_32(S, LE) \
129 INTPCM_DECLARE_OP_32(S, BE) \
130 INTPCM_DECLARE_OP_8(U, NE) \
131 INTPCM_DECLARE_OP_16(U, LE) \
132 INTPCM_DECLARE_OP_16(U, BE) \
133 INTPCM_DECLARE_OP_24(U, LE) \
134 INTPCM_DECLARE_OP_24(U, BE) \
135 INTPCM_DECLARE_OP_32(U, LE) \
136 INTPCM_DECLARE_OP_32(U, BE)
138 #endif /* !_SND_INTPCM_H_ */