1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 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 34 typedef intpcm_t intpcm_read_t(uint8_t *); 35 typedef void intpcm_write_t(uint8_t *, intpcm_t); 36 37 extern intpcm_read_t *feeder_format_read_op(uint32_t); 38 extern intpcm_write_t *feeder_format_write_op(uint32_t); 39 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) \ 43 { \ 44 \ 45 _PCM_WRITE_##SIGN##BIT##_##ENDIAN(dst, v >> SHIFT); \ 46 } 47 48 #define INTPCM_DECLARE_OP_8(SIGN, ENDIAN) \ 49 static __inline intpcm_t \ 50 intpcm_read_##SIGN##8##ENDIAN(uint8_t *src) \ 51 { \ 52 \ 53 return (_PCM_READ_##SIGN##8##_##ENDIAN(src) << 24); \ 54 } \ 55 INTPCM_DECLARE_OP_WRITE(SIGN, 8, ENDIAN, 24) 56 57 #define INTPCM_DECLARE_OP_16(SIGN, ENDIAN) \ 58 static __inline intpcm_t \ 59 intpcm_read_##SIGN##16##ENDIAN(uint8_t *src) \ 60 { \ 61 \ 62 return (_PCM_READ_##SIGN##16##_##ENDIAN(src) << 16); \ 63 } \ 64 INTPCM_DECLARE_OP_WRITE(SIGN, 16, ENDIAN, 16) 65 66 #define INTPCM_DECLARE_OP_24(SIGN, ENDIAN) \ 67 static __inline intpcm_t \ 68 intpcm_read_##SIGN##24##ENDIAN(uint8_t *src) \ 69 { \ 70 \ 71 return (_PCM_READ_##SIGN##24##_##ENDIAN(src) << 8); \ 72 } \ 73 INTPCM_DECLARE_OP_WRITE(SIGN, 24, ENDIAN, 8) 74 75 #define INTPCM_DECLARE_OP_32(SIGN, ENDIAN) \ 76 static __inline intpcm_t \ 77 intpcm_read_##SIGN##32##ENDIAN(uint8_t *src) \ 78 { \ 79 \ 80 return (_PCM_READ_##SIGN##32##_##ENDIAN(src)); \ 81 } \ 82 \ 83 static __inline void \ 84 intpcm_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 \ 92 G711_DECLARE_TABLE(t); \ 93 \ 94 static __inline intpcm_t \ 95 intpcm_read_ulaw(uint8_t *src) \ 96 { \ 97 \ 98 return (_G711_TO_INTPCM((t).ulaw_to_u8, *src) << 24); \ 99 } \ 100 \ 101 static __inline intpcm_t \ 102 intpcm_read_alaw(uint8_t *src) \ 103 { \ 104 \ 105 return (_G711_TO_INTPCM((t).alaw_to_u8, *src) << 24); \ 106 } \ 107 \ 108 static __inline void \ 109 intpcm_write_ulaw(uint8_t *dst, intpcm_t v) \ 110 { \ 111 \ 112 *dst = _INTPCM_TO_G711((t).u8_to_ulaw, v >> 24); \ 113 } \ 114 \ 115 static __inline void \ 116 intpcm_write_alaw(uint8_t *dst, intpcm_t v) \ 117 { \ 118 \ 119 *dst = _INTPCM_TO_G711((t).u8_to_alaw, v >> 24); \ 120 } \ 121 \ 122 INTPCM_DECLARE_OP_8(S, NE) \ 123 INTPCM_DECLARE_OP_16(S, LE) \ 124 INTPCM_DECLARE_OP_16(S, BE) \ 125 INTPCM_DECLARE_OP_24(S, LE) \ 126 INTPCM_DECLARE_OP_24(S, BE) \ 127 INTPCM_DECLARE_OP_32(S, LE) \ 128 INTPCM_DECLARE_OP_32(S, BE) \ 129 INTPCM_DECLARE_OP_8(U, NE) \ 130 INTPCM_DECLARE_OP_16(U, LE) \ 131 INTPCM_DECLARE_OP_16(U, BE) \ 132 INTPCM_DECLARE_OP_24(U, LE) \ 133 INTPCM_DECLARE_OP_24(U, BE) \ 134 INTPCM_DECLARE_OP_32(U, LE) \ 135 INTPCM_DECLARE_OP_32(U, BE) 136 137 #endif /* !_SND_INTPCM_H_ */ 138