arch.h (6868B)
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 /* A couple test to catch stupid option combinations */ 39 #ifdef FIXED_POINT 40 41 #ifdef FLOATING_POINT 42 #error You cannot compile as floating point and fixed point at the same time 43 #endif 44 #ifdef _USE_SSE 45 #error SSE is only for floating-point 46 #endif 47 #if ((defined (ARM4_ASM)||defined (ARM4_ASM)) && defined(BFIN_ASM)) || (defined (ARM4_ASM)&&defined(ARM5E_ASM)) 48 #error Make up your mind. What CPU do you have? 49 #endif 50 #ifdef VORBIS_PSYCHO 51 #error Vorbis-psy model currently not implemented in fixed-point 52 #endif 53 54 #else 55 56 #ifndef FLOATING_POINT 57 #error You now need to define either FIXED_POINT or FLOATING_POINT 58 #endif 59 #if defined (ARM4_ASM) || defined(ARM5E_ASM) || defined(BFIN_ASM) 60 #error I suppose you can have a [ARM4/ARM5E/Blackfin] that has float instructions? 61 #endif 62 #ifdef FIXED_POINT_DEBUG 63 #error "Don't you think enabling fixed-point is a good thing to do if you want to debug that?" 64 #endif 65 66 67 #endif 68 69 #ifndef OUTSIDE_SPEEX 70 #include "speex/speexdsp_types.h" 71 #endif 72 73 #define ABS(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute integer value. */ 74 #define ABS16(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute 16-bit value. */ 75 #define MIN16(a,b) ((a) < (b) ? (a) : (b)) /**< Maximum 16-bit value. */ 76 #define MAX16(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum 16-bit value. */ 77 #define ABS32(x) ((x) < 0 ? (-(x)) : (x)) /**< Absolute 32-bit value. */ 78 #define MIN32(a,b) ((a) < (b) ? (a) : (b)) /**< Maximum 32-bit value. */ 79 #define MAX32(a,b) ((a) > (b) ? (a) : (b)) /**< Maximum 32-bit value. */ 80 81 #ifdef FIXED_POINT 82 83 typedef spx_int16_t spx_word16_t; 84 typedef spx_int32_t spx_word32_t; 85 typedef spx_word32_t spx_mem_t; 86 typedef spx_word16_t spx_coef_t; 87 typedef spx_word16_t spx_lsp_t; 88 typedef spx_word32_t spx_sig_t; 89 90 #define Q15ONE 32767 91 92 #define LPC_SCALING 8192 93 #define SIG_SCALING 16384 94 #define LSP_SCALING 8192. 95 #define GAMMA_SCALING 32768. 96 #define GAIN_SCALING 64 97 #define GAIN_SCALING_1 0.015625 98 99 #define LPC_SHIFT 13 100 #define LSP_SHIFT 13 101 #define SIG_SHIFT 14 102 #define GAIN_SHIFT 6 103 104 #define WORD2INT(x) ((x) < -32767 ? -32768 : ((x) > 32766 ? 32767 : (x))) 105 106 #define VERY_SMALL 0 107 #define VERY_LARGE32 ((spx_word32_t)2147483647) 108 #define VERY_LARGE16 ((spx_word16_t)32767) 109 #define Q15_ONE ((spx_word16_t)32767) 110 111 112 #ifdef FIXED_DEBUG 113 #include "fixed_debug.h" 114 #else 115 116 #include "fixed_generic.h" 117 118 #ifdef ARM5E_ASM 119 #include "fixed_arm5e.h" 120 #elif defined (ARM4_ASM) 121 #include "fixed_arm4.h" 122 #elif defined (BFIN_ASM) 123 #include "fixed_bfin.h" 124 #endif 125 126 #endif 127 128 129 #else 130 131 typedef float spx_mem_t; 132 typedef float spx_coef_t; 133 typedef float spx_lsp_t; 134 typedef float spx_sig_t; 135 typedef float spx_word16_t; 136 typedef float spx_word32_t; 137 138 #define Q15ONE 1.0f 139 #define LPC_SCALING 1.f 140 #define SIG_SCALING 1.f 141 #define LSP_SCALING 1.f 142 #define GAMMA_SCALING 1.f 143 #define GAIN_SCALING 1.f 144 #define GAIN_SCALING_1 1.f 145 146 147 #define VERY_SMALL 1e-15f 148 #define VERY_LARGE32 1e15f 149 #define VERY_LARGE16 1e15f 150 #define Q15_ONE ((spx_word16_t)1.f) 151 152 #define QCONST16(x,bits) (x) 153 #define QCONST32(x,bits) (x) 154 155 #define NEG16(x) (-(x)) 156 #define NEG32(x) (-(x)) 157 #define EXTRACT16(x) (x) 158 #define EXTEND32(x) (x) 159 #define SHR16(a,shift) (a) 160 #define SHL16(a,shift) (a) 161 #define SHR32(a,shift) (a) 162 #define SHL32(a,shift) (a) 163 #define PSHR16(a,shift) (a) 164 #define PSHR32(a,shift) (a) 165 #define VSHR32(a,shift) (a) 166 #define SATURATE16(x,a) (x) 167 #define SATURATE32(x,a) (x) 168 #define SATURATE32PSHR(x,shift,a) (x) 169 170 #define PSHR(a,shift) (a) 171 #define SHR(a,shift) (a) 172 #define SHL(a,shift) (a) 173 #define SATURATE(x,a) (x) 174 175 #define ADD16(a,b) ((a)+(b)) 176 #define SUB16(a,b) ((a)-(b)) 177 #define ADD32(a,b) ((a)+(b)) 178 #define SUB32(a,b) ((a)-(b)) 179 #define MULT16_16_16(a,b) ((a)*(b)) 180 #define MULT16_16(a,b) ((spx_word32_t)(a)*(spx_word32_t)(b)) 181 #define MAC16_16(c,a,b) ((c)+(spx_word32_t)(a)*(spx_word32_t)(b)) 182 183 #define MULT16_32_Q11(a,b) ((a)*(b)) 184 #define MULT16_32_Q13(a,b) ((a)*(b)) 185 #define MULT16_32_Q14(a,b) ((a)*(b)) 186 #define MULT16_32_Q15(a,b) ((a)*(b)) 187 #define MULT16_32_P15(a,b) ((a)*(b)) 188 189 #define MAC16_32_Q11(c,a,b) ((c)+(a)*(b)) 190 #define MAC16_32_Q15(c,a,b) ((c)+(a)*(b)) 191 192 #define MAC16_16_Q11(c,a,b) ((c)+(a)*(b)) 193 #define MAC16_16_Q13(c,a,b) ((c)+(a)*(b)) 194 #define MAC16_16_P13(c,a,b) ((c)+(a)*(b)) 195 #define MULT16_16_Q11_32(a,b) ((a)*(b)) 196 #define MULT16_16_Q13(a,b) ((a)*(b)) 197 #define MULT16_16_Q14(a,b) ((a)*(b)) 198 #define MULT16_16_Q15(a,b) ((a)*(b)) 199 #define MULT16_16_P15(a,b) ((a)*(b)) 200 #define MULT16_16_P13(a,b) ((a)*(b)) 201 #define MULT16_16_P14(a,b) ((a)*(b)) 202 203 #define DIV32_16(a,b) (((spx_word32_t)(a))/(spx_word16_t)(b)) 204 #define PDIV32_16(a,b) (((spx_word32_t)(a))/(spx_word16_t)(b)) 205 #define DIV32(a,b) (((spx_word32_t)(a))/(spx_word32_t)(b)) 206 #define PDIV32(a,b) (((spx_word32_t)(a))/(spx_word32_t)(b)) 207 208 #define WORD2INT(x) ((x) < -32767.5f ? -32768 : \ 209 ((x) > 32766.5f ? 32767 : (spx_int16_t)floor(.5 + (x)))) 210 #endif 211 212 213 #if defined (CONFIG_TI_C54X) || defined (CONFIG_TI_C55X) 214 215 /* 2 on TI C5x DSP */ 216 #define BYTES_PER_CHAR 2 217 #define BITS_PER_CHAR 16 218 #define LOG2_BITS_PER_CHAR 4 219 220 #else 221 222 #define BYTES_PER_CHAR 1 223 #define BITS_PER_CHAR 8 224 #define LOG2_BITS_PER_CHAR 3 225 226 #endif 227 228 229 230 #ifdef FIXED_DEBUG 231 extern long long spx_mips; 232 #endif 233 234 235 #endif