1 /*- 2 * Copyright (c) 2008-2009 Ariff Abdullah <ariff@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: head/sys/dev/sound/pcm/intpcm.h 193640 2009-06-07 19:12:08Z ariff $ 27 */ 28 29 #ifndef _SND_INTPCM_H_ 30 #define _SND_INTPCM_H_ 31 32 typedef intpcm_t intpcm_read_t(uint8_t *); 33 typedef void intpcm_write_t(uint8_t *, intpcm_t); 34 35 extern intpcm_read_t *feeder_format_read_op(uint32_t); 36 extern intpcm_write_t *feeder_format_write_op(uint32_t); 37 38 #define INTPCM_DECLARE_OP_WRITE(SIGN, BIT, ENDIAN, SHIFT) \ 39 static __inline void \ 40 intpcm_write_##SIGN##BIT##ENDIAN(uint8_t *dst, intpcm_t v) \ 41 { \ 42 \ 43 _PCM_WRITE_##SIGN##BIT##_##ENDIAN(dst, v >> SHIFT); \ 44 } 45 46 #define INTPCM_DECLARE_OP_8(SIGN, ENDIAN) \ 47 static __inline intpcm_t \ 48 intpcm_read_##SIGN##8##ENDIAN(uint8_t *src) \ 49 { \ 50 \ 51 return (_PCM_READ_##SIGN##8##_##ENDIAN(src) << 24); \ 52 } \ 53 INTPCM_DECLARE_OP_WRITE(SIGN, 8, ENDIAN, 24) 54 55 #define INTPCM_DECLARE_OP_16(SIGN, ENDIAN) \ 56 static __inline intpcm_t \ 57 intpcm_read_##SIGN##16##ENDIAN(uint8_t *src) \ 58 { \ 59 \ 60 return (_PCM_READ_##SIGN##16##_##ENDIAN(src) << 16); \ 61 } \ 62 INTPCM_DECLARE_OP_WRITE(SIGN, 16, ENDIAN, 16) 63 64 #define INTPCM_DECLARE_OP_24(SIGN, ENDIAN) \ 65 static __inline intpcm_t \ 66 intpcm_read_##SIGN##24##ENDIAN(uint8_t *src) \ 67 { \ 68 \ 69 return (_PCM_READ_##SIGN##24##_##ENDIAN(src) << 8); \ 70 } \ 71 INTPCM_DECLARE_OP_WRITE(SIGN, 24, ENDIAN, 8) 72 73 #define INTPCM_DECLARE_OP_32(SIGN, ENDIAN) \ 74 static __inline intpcm_t \ 75 intpcm_read_##SIGN##32##ENDIAN(uint8_t *src) \ 76 { \ 77 \ 78 return (_PCM_READ_##SIGN##32##_##ENDIAN(src)); \ 79 } \ 80 \ 81 static __inline void \ 82 intpcm_write_##SIGN##32##ENDIAN(uint8_t *dst, intpcm_t v) \ 83 { \ 84 \ 85 _PCM_WRITE_##SIGN##32##_##ENDIAN(dst, v); \ 86 } 87 88 89 #define INTPCM_DECLARE(t) \ 90 \ 91 G711_DECLARE_TABLE(t); \ 92 \ 93 static __inline intpcm_t \ 94 intpcm_read_ulaw(uint8_t *src) \ 95 { \ 96 \ 97 return (_G711_TO_INTPCM((t).ulaw_to_u8, *src) << 24); \ 98 } \ 99 \ 100 static __inline intpcm_t \ 101 intpcm_read_alaw(uint8_t *src) \ 102 { \ 103 \ 104 return (_G711_TO_INTPCM((t).alaw_to_u8, *src) << 24); \ 105 } \ 106 \ 107 static __inline void \ 108 intpcm_write_ulaw(uint8_t *dst, intpcm_t v) \ 109 { \ 110 \ 111 *dst = _INTPCM_TO_G711((t).u8_to_ulaw, v >> 24); \ 112 } \ 113 \ 114 static __inline void \ 115 intpcm_write_alaw(uint8_t *dst, intpcm_t v) \ 116 { \ 117 \ 118 *dst = _INTPCM_TO_G711((t).u8_to_alaw, v >> 24); \ 119 } \ 120 \ 121 INTPCM_DECLARE_OP_8(S, NE) \ 122 INTPCM_DECLARE_OP_16(S, LE) \ 123 INTPCM_DECLARE_OP_16(S, BE) \ 124 INTPCM_DECLARE_OP_24(S, LE) \ 125 INTPCM_DECLARE_OP_24(S, BE) \ 126 INTPCM_DECLARE_OP_32(S, LE) \ 127 INTPCM_DECLARE_OP_32(S, BE) \ 128 INTPCM_DECLARE_OP_8(U, NE) \ 129 INTPCM_DECLARE_OP_16(U, LE) \ 130 INTPCM_DECLARE_OP_16(U, BE) \ 131 INTPCM_DECLARE_OP_24(U, LE) \ 132 INTPCM_DECLARE_OP_24(U, BE) \ 133 INTPCM_DECLARE_OP_32(U, LE) \ 134 INTPCM_DECLARE_OP_32(U, BE) 135 136 #endif /* !_SND_INTPCM_H_ */ 137