code.delx.au - pulseaudio/blob - src/pulsecore/speex/arch.h

   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/speex_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