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