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 #ifndef OUTSIDE_SPEEX 39 #include "speex/speexdsp_types.h" 40 #endif 41 42 #define ABS(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute integer value. */ 43 #define ABS16(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute 16-bit value. */ 44 #define MIN16(a,b) ((a) < (b) ? (a) : (b)) /**< Maximum 16-bit value. */ 45 #define MAX16(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum 16-bit value. */ 46 #define ABS32(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute 32-bit value. */ 47 #define MIN32(a,b) ((a) < (b) ? (a) : (b)) /**< Maximum 32-bit value. */ 48 #define MAX32(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum 32-bit value. */ 49 50 #ifdef FIXED_POINT 51 52 typedef spx_int16_t spx_word16_t; 53 typedef spx_int32_t spx_word32_t; 54 typedef spx_word32_t spx_mem_t; 55 typedef spx_word16_t spx_coef_t; 56 typedef spx_word16_t spx_lsp_t; 57 typedef spx_word32_t spx_sig_t; 58 59 #define Q15ONE 32767 60 61 #define LPC_SCALING 8192 62 #define SIG_SCALING 16384 63 #define LSP_SCALING 8192. 64 #define GAMMA_SCALING 32768. 65 #define GAIN_SCALING 64 66 #define GAIN_SCALING_1 0.015625 67 68 #define LPC_SHIFT 13 69 #define LSP_SHIFT 13 70 #define SIG_SHIFT 14 71 72 #define VERY_SMALL 0 73 #define VERY_LARGE32 ((spx_word32_t)2147483647) 74 #define VERY_LARGE16 ((spx_word16_t)32767) 75 #define Q15_ONE ((spx_word16_t)32767) 76 77 78 #ifdef FIXED_DEBUG 79 #include "fixed_debug.h" 80 #else 81 82 #include "fixed_generic.h" 83 84 #ifdef ARM5E_ASM 85 #include "fixed_arm5e.h" 86 #elif defined (ARM4_ASM) 87 #include "fixed_arm4.h" 88 #elif defined (ARM5E_ASM) 89 #include "fixed_arm5e.h" 90 #elif defined (BFIN_ASM) 91 #include "fixed_bfin.h" 92 #endif 93 94 #endif 95 96 97 #else 98 99 typedef float spx_mem_t; 100 typedef float spx_coef_t; 101 typedef float spx_lsp_t; 102 typedef float spx_sig_t; 103 typedef float spx_word16_t; 104 typedef float spx_word32_t; 105 106 #define Q15ONE 1.0f 107 #define LPC_SCALING 1.f 108 #define SIG_SCALING 1.f 109 #define LSP_SCALING 1.f 110 #define GAMMA_SCALING 1.f 111 #define GAIN_SCALING 1.f 112 #define GAIN_SCALING_1 1.f 113 114 #define LPC_SHIFT 0 115 #define LSP_SHIFT 0 116 #define SIG_SHIFT 0 117 118 #define VERY_SMALL 1e-15f 119 #define VERY_LARGE32 1e15f 120 #define VERY_LARGE16 1e15f 121 #define Q15_ONE ((spx_word16_t)1.f) 122 123 #define QCONST16(x,bits) (x) 124 #define QCONST32(x,bits) (x) 125 126 #define NEG16(x) (-(x)) 127 #define NEG32(x) (-(x)) 128 #define EXTRACT16(x) (x) 129 #define EXTEND32(x) (x) 130 #define SHR16(a,shift) (a) 131 #define SHL16(a,shift) (a) 132 #define SHR32(a,shift) (a) 133 #define SHL32(a,shift) (a) 134 #define PSHR16(a,shift) (a) 135 #define PSHR32(a,shift) (a) 136 #define VSHR32(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 MULT16_16_16(a,b) ((a)*(b)) 150 #define MULT16_16(a,b) ((spx_word32_t)(a)*(spx_word32_t)(b)) 151 #define MAC16_16(c,a,b) ((c)+(spx_word32_t)(a)*(spx_word32_t)(b)) 152 153 #define MULT16_32_Q11(a,b) ((a)*(b)) 154 #define MULT16_32_Q13(a,b) ((a)*(b)) 155 #define MULT16_32_Q14(a,b) ((a)*(b)) 156 #define MULT16_32_Q15(a,b) ((a)*(b)) 157 #define MULT16_32_P15(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 MAC16_16_P13(c,a,b) ((c)+(a)*(b)) 165 #define MULT16_16_Q11_32(a,b) ((a)*(b)) 166 #define MULT16_16_Q13(a,b) ((a)*(b)) 167 #define MULT16_16_Q14(a,b) ((a)*(b)) 168 #define MULT16_16_Q15(a,b) ((a)*(b)) 169 #define MULT16_16_P15(a,b) ((a)*(b)) 170 #define MULT16_16_P13(a,b) ((a)*(b)) 171 #define MULT16_16_P14(a,b) ((a)*(b)) 172 173 #define DIV32_16(a,b) (((spx_word32_t)(a))/(spx_word16_t)(b)) 174 #define PDIV32_16(a,b) (((spx_word32_t)(a))/(spx_word16_t)(b)) 175 #define DIV32(a,b) (((spx_word32_t)(a))/(spx_word32_t)(b)) 176 #define PDIV32(a,b) (((spx_word32_t)(a))/(spx_word32_t)(b)) 177 178 179 #endif 180 181 182 #if defined (CONFIG_TI_C54X) || defined (CONFIG_TI_C55X) 183 184 /* 2 on TI C5x DSP */ 185 #define BYTES_PER_CHAR 2 186 #define BITS_PER_CHAR 16 187 #define LOG2_BITS_PER_CHAR 4 188 189 #else 190 191 #define BYTES_PER_CHAR 1 192 #define BITS_PER_CHAR 8 193 #define LOG2_BITS_PER_CHAR 3 194 195 #endif 196 197 #endif 198