frameworks/base/media/libstagefright/codecs/amrnb/common/src/gains_tbl.cpp

   1 /* ------------------------------------------------------------------
   2  * Copyright (C) 1998-2009 PacketVideo
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
  13  * express or implied.
  14  * See the License for the specific language governing permissions
  15  * and limitations under the License.
  16  * -------------------------------------------------------------------
  17  */
  18 /****************************************************************************************
  19 Portions of this file are derived from the following 3GPP standard:
  20
  21     3GPP TS 26.073
  22     ANSI-C code for the Adaptive Multi-Rate (AMR) speech codec
  23     Available from http://www.3gpp.org
  24
  25 (C) 2004, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC)
  26 Permission to distribute, modify and use this file under the standard license
  27 terms listed above has been obtained from the copyright holder.
  28 ****************************************************************************************/
  29 /*
  30
  31  Filename: /audio/gsm_amr/c/src/gains_tbl.c
  32
  33 ------------------------------------------------------------------------------
  34  REVISION HISTORY
  35
  36  Description: Created this file from the reference, gains.tab
  37
  38  Description: Added include of "typedef.h" to includes section.
  39
  40  Description: Added #ifdef __cplusplus and removed "extern" from table
  41               definition.
  42
  43  Description: Put "extern" back.
  44
  45  Who:                               Date:
  46  Description:
  47
  48 ------------------------------------------------------------------------------
  49  MODULE DESCRIPTION
  50
  51 ------------------------------------------------------------------------------
  52 */
  53
  54 /*----------------------------------------------------------------------------
  55 ; INCLUDES
  56 ----------------------------------------------------------------------------*/
  57 #include "typedef.h"
  58
  59 /*--------------------------------------------------------------------------*/
  60 #ifdef __cplusplus
  61 extern "C"
  62 {
  63 #endif
  64
  65     /*----------------------------------------------------------------------------
  66     ; MACROS
  67     ; [Define module specific macros here]
  68     ----------------------------------------------------------------------------*/
  69
  70     /*----------------------------------------------------------------------------
  71     ; DEFINES
  72     ; [Include all pre-processor statements here. Include conditional
  73     ; compile variables also.]
  74     ----------------------------------------------------------------------------*/
  75 #define NB_QUA_PITCH 16
  76 #define NB_QUA_CODE 32
  77
  78     /*----------------------------------------------------------------------------
  79     ; LOCAL FUNCTION DEFINITIONS
  80     ; [List function prototypes here]
  81     ----------------------------------------------------------------------------*/
  82
  83     /*----------------------------------------------------------------------------
  84     ; LOCAL VARIABLE DEFINITIONS
  85     ; [Variable declaration - defined here and used outside this module]
  86     ----------------------------------------------------------------------------*/
  87
  88
  89     extern const Word16 qua_gain_pitch[NB_QUA_PITCH] =
  90     {
  91         0, 3277, 6556, 8192, 9830, 11469, 12288, 13107,
  92         13926, 14746, 15565, 16384, 17203, 18022, 18842, 19661
  93     };
  94
  95
  96     extern const Word16 qua_gain_code[(NB_QUA_CODE+1)*3] =
  97     {
  98         /* gain factor (g_fac) and quantized energy error (qua_ener_MR122, qua_ener)
  99          * are stored:
 100          *
 101          * qua_ener_MR122 = log2(g_fac)      (not the rounded floating point value, but
 102          *                                    the value the original EFR algorithm
 103          *                                    calculates from g_fac [using Log2])
 104          * qua_ener       = 20*log10(g_fac); (rounded floating point value)
 105          *
 106          *
 107          * g_fac (Q11), qua_ener_MR122 (Q10), qua_ener (Q10)
 108          */
 109         159,                -3776,          -22731,
 110         206,                -3394,          -20428,
 111         268,                -3005,          -18088,
 112         349,                -2615,          -15739,
 113         419,                -2345,          -14113,
 114         482,                -2138,          -12867,
 115         554,                -1932,          -11629,
 116         637,                -1726,          -10387,
 117         733,                -1518,           -9139,
 118         842,                -1314,           -7906,
 119         969,                -1106,           -6656,
 120         1114,                 -900,           -5416,
 121         1281,                 -694,           -4173,
 122         1473,                 -487,           -2931,
 123         1694,                 -281,           -1688,
 124         1948,                  -75,            -445,
 125         2241,                  133,             801,
 126         2577,                  339,            2044,
 127         2963,                  545,            3285,
 128         3408,                  752,            4530,
 129         3919,                  958,            5772,
 130         4507,                 1165,            7016,
 131         5183,                 1371,            8259,
 132         5960,                 1577,            9501,
 133         6855,                 1784,           10745,
 134         7883,                 1991,           11988,
 135         9065,                 2197,           13231,
 136         10425,                 2404,           14474,
 137         12510,                 2673,           16096,
 138         16263,                 3060,           18429,
 139         21142,                 3448,           20763,
 140         27485,                 3836,           23097,
 141         27485,                 3836,           23097
 142     };
 143
 144     /*--------------------------------------------------------------------------*/
 145 #ifdef __cplusplus
 146 }
 147 #endif
 148
 149 /*
 150 ------------------------------------------------------------------------------
 151  FUNCTION NAME:
 152 ------------------------------------------------------------------------------
 153  INPUT AND OUTPUT DEFINITIONS
 154
 155  Inputs:
 156     None
 157
 158  Outputs:
 159     None
 160
 161  Returns:
 162     None
 163
 164  Global Variables Used:
 165     None
 166
 167  Local Variables Needed:
 168     None
 169
 170 ------------------------------------------------------------------------------
 171  FUNCTION DESCRIPTION
 172
 173  None
 174
 175 ------------------------------------------------------------------------------
 176  REQUIREMENTS
 177
 178  None
 179
 180 ------------------------------------------------------------------------------
 181  REFERENCES
 182
 183  [1] gains.tab,  UMTS GSM AMR speech codec, R99 - Version 3.2.0, March 2, 2001
 184
 185 ------------------------------------------------------------------------------
 186  PSEUDO-CODE
 187
 188
 189 ------------------------------------------------------------------------------
 190  RESOURCES USED [optional]
 191
 192  When the code is written for a specific target processor the
 193  the resources used should be documented below.
 194
 195  HEAP MEMORY USED: x bytes
 196
 197  STACK MEMORY USED: x bytes
 198
 199  CLOCK CYCLES: (cycle count equation for this function) + (variable
 200                 used to represent cycle count for each subroutine
 201                 called)
 202      where: (cycle count variable) = cycle count for [subroutine
 203                                      name]
 204
 205 ------------------------------------------------------------------------------
 206  CAUTION [optional]
 207  [State any special notes, constraints or cautions for users of this function]
 208
 209 ------------------------------------------------------------------------------
 210 */
 211
 212 /*----------------------------------------------------------------------------
 213 ; FUNCTION CODE
 214 ----------------------------------------------------------------------------*/
 215
 216
 217