1 /* Copyright (C) 2003 Jean-Marc Valin */ 2 /** 3 @file arch.h 4 @brief Various architecture definitions Speex 5 */ 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 11 - Redistributions of source code must retain the above copyright 12 notice, this list of conditions and the following disclaimer. 13 14 - Redistributions in binary form must reproduce the above copyright 15 notice, this list of conditions and the following disclaimer in the 16 documentation and/or other materials provided with the distribution. 17 18 - Neither the name of the Xiph.org Foundation nor the names of its 19 contributors may be used to endorse or promote products derived from 20 this software without specific prior written permission. 21 22 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23 ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 24 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 25 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR 26 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 27 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 28 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 29 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 30 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 31 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 32 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #ifndef ARCH_H 36 #define ARCH_H 37 38 #include "speex_types.h" 39 40 #define ABS(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute integer value. */ 41 #define ABS16(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute 16-bit value. */ 42 #define MAX16(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum 16-bit value. */ 43 #define ABS32(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute 32-bit value. */ 44 45 #ifdef FIXED_POINT 46 47 typedef spx_int16_t spx_word16_t; 48 typedef spx_int32_t spx_word32_t; 49 #ifdef _MSC_VER 50 typedef __int64 spx_word64_t; 51 #elif defined NO_LONGLONG 52 typedef double spx_word64_t; 53 #else 54 typedef long long spx_word64_t; 55 #endif 56 typedef spx_word32_t spx_mem_t; 57 typedef spx_word16_t spx_coef_t; 58 typedef spx_word16_t spx_lsp_t; 59 typedef spx_word32_t spx_sig_t; 60 61 #define Q15ONE 32767 62 63 #define LPC_SCALING 8192 64 #define SIG_SCALING 16384 65 #define LSP_SCALING 8192. 66 #define GAMMA_SCALING 32768. 67 #define GAIN_SCALING 64 68 #define GAIN_SCALING_1 0.015625 69 70 #define LPC_SHIFT 13 71 #define LSP_SHIFT 13 72 #define SIG_SHIFT 14 73 74 #define VERY_SMALL 0 75 #define VERY_LARGE32 ((spx_word32_t)2147483647) 76 #define VERY_LARGE16 ((spx_word16_t)32767) 77 78 79 #ifdef FIXED_DEBUG 80 #include "fixed_debug.h" 81 #else 82 83 #include "fixed_generic.h" 84 85 #ifdef ARM5E_ASM 86 #include "fixed_arm5e.h" 87 #elif defined (ARM4_ASM) 88 #include "fixed_arm4.h" 89 #elif defined (ARM5E_ASM) 90 #include "fixed_arm5e.h" 91 #elif defined (BFIN_ASM) 92 #include "fixed_bfin.h" 93 #endif 94 95 #endif 96 97 98 #else 99 100 typedef float spx_mem_t; 101 typedef float spx_coef_t; 102 typedef float spx_lsp_t; 103 typedef float spx_sig_t; 104 typedef float spx_word16_t; 105 typedef float spx_word32_t; 106 typedef float spx_word64_t; 107 108 #define Q15ONE 1.0f 109 #define LPC_SCALING 1.f 110 #define SIG_SCALING 1.f 111 #define LSP_SCALING 1.f 112 #define GAMMA_SCALING 1.f 113 #define GAIN_SCALING 1.f 114 #define GAIN_SCALING_1 1.f 115 116 #define LPC_SHIFT 0 117 #define LSP_SHIFT 0 118 #define SIG_SHIFT 0 119 120 #define VERY_SMALL 1e-15f 121 #define VERY_LARGE32 1e15f 122 #define VERY_LARGE16 1e15f 123 124 #define QCONST16(x,bits) (x) 125 #define QCONST32(x,bits) (x) 126 127 #define NEG16(x) (-(x)) 128 #define NEG32(x) (-(x)) 129 #define EXTRACT16(x) (x) 130 #define EXTEND32(x) (x) 131 #define SHR16(a,shift) (a) 132 #define SHL16(a,shift) (a) 133 #define SHR32(a,shift) (a) 134 #define SHL32(a,shift) (a) 135 #define PSHR16(a,shift) (a) 136 #define PSHR32(a,shift) (a) 137 #define SATURATE16(x,a) (x) 138 #define SATURATE32(x,a) (x) 139 140 #define PSHR(a,shift) (a) 141 #define SHR(a,shift) (a) 142 #define SHL(a,shift) (a) 143 #define SATURATE(x,a) (x) 144 145 #define ADD16(a,b) ((a)+(b)) 146 #define SUB16(a,b) ((a)-(b)) 147 #define ADD32(a,b) ((a)+(b)) 148 #define SUB32(a,b) ((a)-(b)) 149 #define ADD64(a,b) ((a)+(b)) 150 #define MULT16_16_16(a,b) ((a)*(b)) 151 #define MULT16_16(a,b) ((spx_word32_t)(a)*(spx_word32_t)(b)) 152 #define MAC16_16(c,a,b) ((c)+(spx_word32_t)(a)*(spx_word32_t)(b)) 153 154 #define MULT16_32_Q11(a,b) ((a)*(b)) 155 #define MULT16_32_Q13(a,b) ((a)*(b)) 156 #define MULT16_32_Q14(a,b) ((a)*(b)) 157 #define MULT16_32_Q15(a,b) ((a)*(b)) 158 159 #define MAC16_32_Q11(c,a,b) ((c)+(a)*(b)) 160 #define MAC16_32_Q15(c,a,b) ((c)+(a)*(b)) 161 162 #define MAC16_16_Q11(c,a,b) ((c)+(a)*(b)) 163 #define MAC16_16_Q13(c,a,b) ((c)+(a)*(b)) 164 #define MULT16_16_Q11_32(a,b) ((a)*(b)) 165 #define MULT16_16_Q13(a,b) ((a)*(b)) 166 #define MULT16_16_Q14(a,b) ((a)*(b)) 167 #define MULT16_16_Q15(a,b) ((a)*(b)) 168 #define MULT16_16_P15(a,b) ((a)*(b)) 169 170 #define DIV32_16(a,b) ((a)/(b)) 171 #define DIV32(a,b) ((a)/(b)) 172 173 174 #endif 175 176 177 #ifdef CONFIG_TI_C55X 178 179 /* 2 on TI C5x DSP */ 180 #define BYTES_PER_CHAR 2 181 #define BITS_PER_CHAR 16 182 #define LOG2_BITS_PER_CHAR 4 183 184 #else 185 186 #define BYTES_PER_CHAR 1 187 #define BITS_PER_CHAR 8 188 #define LOG2_BITS_PER_CHAR 3 189 190 #endif 191 192 #endif 193