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 #define FLOATING_POINT 39 40 /* A couple test to catch stupid option combinations */ 41 #ifdef FIXED_POINT 42 43 #ifdef FLOATING_POINT 44 #error You cannot compile as floating point and fixed point at the same time 45 #endif 46 #ifdef USE_SSE 47 #error SSE is only for floating-point 48 #endif 49 #if ((defined (ARM4_ASM)||defined (ARM4_ASM)) && defined(BFIN_ASM)) || (defined (ARM4_ASM)&&defined(ARM5E_ASM)) 50 #error Make up your mind. What CPU do you have? 51 #endif 52 #ifdef VORBIS_PSYCHO 53 #error Vorbis-psy model currently not implemented in fixed-point 54 #endif 55 56 #else 57 58 #ifndef FLOATING_POINT 59 #error You now need to define either FIXED_POINT or FLOATING_POINT 60 #endif 61 #if defined (ARM4_ASM) || defined(ARM5E_ASM) || defined(BFIN_ASM) 62 #error I suppose you can have a [ARM4/ARM5E/Blackfin] that has float instructions? 63 #endif 64 #ifdef FIXED_POINT_DEBUG 65 #error "Don't you think enabling fixed-point is a good thing to do if you want to debug that?" 66 #endif 67 68 69 #endif 70 71 #ifndef OUTSIDE_SPEEX 72 #include "speex/speexdsp_types.h" 73 #endif 74 75 #define ABS(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute integer value. */ 76 #define ABS16(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute 16-bit value. */ 77 #define MIN16(a,b) ((a) < (b) ? (a) : (b)) /**< Maximum 16-bit value. */ 78 #define MAX16(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum 16-bit value. */ 79 #define ABS32(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute 32-bit value. */ 80 #define MIN32(a,b) ((a) < (b) ? (a) : (b)) /**< Maximum 32-bit value. */ 81 #define MAX32(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum 32-bit value. */ 82 83 #ifdef FIXED_POINT 84 85 typedef spx_int16_t spx_word16_t; 86 typedef spx_int32_t spx_word32_t; 87 typedef spx_word32_t spx_mem_t; 88 typedef spx_word16_t spx_coef_t; 89 typedef spx_word16_t spx_lsp_t; 90 typedef spx_word32_t spx_sig_t; 91 92 #define Q15ONE 32767 93 94 #define LPC_SCALING 8192 95 #define SIG_SCALING 16384 96 #define LSP_SCALING 8192. 97 #define GAMMA_SCALING 32768. 98 #define GAIN_SCALING 64 99 #define GAIN_SCALING_1 0.015625 100 101 #define LPC_SHIFT 13 102 #define LSP_SHIFT 13 103 #define SIG_SHIFT 14 104 #define GAIN_SHIFT 6 105 106 #define WORD2INT(x) ((x) < -32767 ? -32768 : ((x) > 32766 ? 32767 : (x))) 107 108 #define VERY_SMALL 0 109 #define VERY_LARGE32 ((spx_word32_t)2147483647) 110 #define VERY_LARGE16 ((spx_word16_t)32767) 111 #define Q15_ONE ((spx_word16_t)32767) 112 113 114 #ifdef FIXED_DEBUG 115 #include "fixed_debug.h" 116 #else 117 118 #include "fixed_generic.h" 119 120 #ifdef ARM5E_ASM 121 #include "fixed_arm5e.h" 122 #elif defined (ARM4_ASM) 123 #include "fixed_arm4.h" 124 #elif defined (BFIN_ASM) 125 #include "fixed_bfin.h" 126 #endif 127 128 #endif 129 130 131 #else 132 133 typedef float spx_mem_t; 134 typedef float spx_coef_t; 135 typedef float spx_lsp_t; 136 typedef float spx_sig_t; 137 typedef float spx_word16_t; 138 typedef float spx_word32_t; 139 140 #define Q15ONE 1.0f 141 #define LPC_SCALING 1.f 142 #define SIG_SCALING 1.f 143 #define LSP_SCALING 1.f 144 #define GAMMA_SCALING 1.f 145 #define GAIN_SCALING 1.f 146 #define GAIN_SCALING_1 1.f 147 148 149 #define VERY_SMALL 1e-15f 150 #define VERY_LARGE32 1e15f 151 #define VERY_LARGE16 1e15f 152 #define Q15_ONE ((spx_word16_t)1.f) 153 154 #define QCONST16(x,bits) (x) 155 #define QCONST32(x,bits) (x) 156 157 #define NEG16(x) (-(x)) 158 #define NEG32(x) (-(x)) 159 #define EXTRACT16(x) (x) 160 #define EXTEND32(x) (x) 161 #define SHR16(a,shift) (a) 162 #define SHL16(a,shift) (a) 163 #define SHR32(a,shift) (a) 164 #define SHL32(a,shift) (a) 165 #define PSHR16(a,shift) (a) 166 #define PSHR32(a,shift) (a) 167 #define VSHR32(a,shift) (a) 168 #define SATURATE16(x,a) (x) 169 #define SATURATE32(x,a) (x) 170 #define SATURATE32PSHR(x,shift,a) (x) 171 172 #define PSHR(a,shift) (a) 173 #define SHR(a,shift) (a) 174 #define SHL(a,shift) (a) 175 #define SATURATE(x,a) (x) 176 177 #define ADD16(a,b) ((a)+(b)) 178 #define SUB16(a,b) ((a)-(b)) 179 #define ADD32(a,b) ((a)+(b)) 180 #define SUB32(a,b) ((a)-(b)) 181 #define MULT16_16_16(a,b) ((a)*(b)) 182 #define MULT16_16(a,b) ((spx_word32_t)(a)*(spx_word32_t)(b)) 183 #define MAC16_16(c,a,b) ((c)+(spx_word32_t)(a)*(spx_word32_t)(b)) 184 185 #define MULT16_32_Q11(a,b) ((a)*(b)) 186 #define MULT16_32_Q13(a,b) ((a)*(b)) 187 #define MULT16_32_Q14(a,b) ((a)*(b)) 188 #define MULT16_32_Q15(a,b) ((a)*(b)) 189 #define MULT16_32_P15(a,b) ((a)*(b)) 190 191 #define MAC16_32_Q11(c,a,b) ((c)+(a)*(b)) 192 #define MAC16_32_Q15(c,a,b) ((c)+(a)*(b)) 193 194 #define MAC16_16_Q11(c,a,b) ((c)+(a)*(b)) 195 #define MAC16_16_Q13(c,a,b) ((c)+(a)*(b)) 196 #define MAC16_16_P13(c,a,b) ((c)+(a)*(b)) 197 #define MULT16_16_Q11_32(a,b) ((a)*(b)) 198 #define MULT16_16_Q13(a,b) ((a)*(b)) 199 #define MULT16_16_Q14(a,b) ((a)*(b)) 200 #define MULT16_16_Q15(a,b) ((a)*(b)) 201 #define MULT16_16_P15(a,b) ((a)*(b)) 202 #define MULT16_16_P13(a,b) ((a)*(b)) 203 #define MULT16_16_P14(a,b) ((a)*(b)) 204 205 #define DIV32_16(a,b) (((spx_word32_t)(a))/(spx_word16_t)(b)) 206 #define PDIV32_16(a,b) (((spx_word32_t)(a))/(spx_word16_t)(b)) 207 #define DIV32(a,b) (((spx_word32_t)(a))/(spx_word32_t)(b)) 208 #define PDIV32(a,b) (((spx_word32_t)(a))/(spx_word32_t)(b)) 209 210 #define WORD2INT(x) ((x) < -32767.5f ? -32768 : \ 211 ((x) > 32766.5f ? 32767 : (spx_int16_t)floor(.5 + (x)))) 212 #endif 213 214 215 #if defined (CONFIG_TI_C54X) || defined (CONFIG_TI_C55X) 216 217 /* 2 on TI C5x DSP */ 218 #define BYTES_PER_CHAR 2 219 #define BITS_PER_CHAR 16 220 #define LOG2_BITS_PER_CHAR 4 221 222 #else 223 224 #define BYTES_PER_CHAR 1 225 #define BITS_PER_CHAR 8 226 #define LOG2_BITS_PER_CHAR 3 227 228 #endif 229 230 231 232 #ifdef FIXED_DEBUG 233 extern long long spx_mips; 234 #endif 235 236 237 #endif 238