415 lines
9.7 KiB
C
415 lines
9.7 KiB
C
/*
|
|
* g722_1 - a library for the G.722.1 and Annex C codecs
|
|
*
|
|
* table.c
|
|
*
|
|
* Adapted by Steve Underwood <steveu@coppice.org> from the reference
|
|
* code supplied with ITU G.722.1, which is:
|
|
*
|
|
* (C) 2004 Polycom, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
*/
|
|
|
|
/*! \file */
|
|
|
|
#if defined(HAVE_CONFIG_H)
|
|
#include <config.h>
|
|
#endif
|
|
|
|
#include <inttypes.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "g722_1/g722_1.h"
|
|
|
|
#include "defs.h"
|
|
#include "tables.h"
|
|
|
|
const int16_t vector_dimension[NUM_CATEGORIES] =
|
|
{
|
|
2, 2, 2, 4, 4, 5, 5, 1
|
|
};
|
|
|
|
const int16_t number_of_vectors[NUM_CATEGORIES] =
|
|
{
|
|
10, 10, 10, 5, 5, 4, 4, 20
|
|
};
|
|
/* The last category isn't really coded with scalar quantization. */
|
|
|
|
const int16_t max_bin[NUM_CATEGORIES] =
|
|
{
|
|
13, 9, 6, 4, 3, 2, 1, 1
|
|
};
|
|
|
|
const int16_t max_bin_plus_one_inverse[NUM_CATEGORIES] =
|
|
{
|
|
2341, 3277, 4682, 6554, 8193, 10923, 16385, 16385
|
|
};
|
|
|
|
#if defined(G722_1_USE_FIXED_POINT)
|
|
const int16_t int_region_standard_deviation_table[REGION_POWER_TABLE_SIZE] =
|
|
{
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 1, 1, 1, 1, 2, 3, 4, 6,
|
|
8, 11, 16, 23, 32, 45, 64, 91, 128, 181,
|
|
256, 362, 512, 724, 1024, 1448, 2048, 2896, 4096, 5793,
|
|
8192, 11585, 16384, 23170, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0
|
|
};
|
|
#else
|
|
const float region_standard_deviation_table[REGION_POWER_TABLE_SIZE] =
|
|
{
|
|
2.441406247570224e-04f,
|
|
3.452669826719395e-04f,
|
|
4.882812495545411e-04f,
|
|
6.905339654011486e-04f,
|
|
9.765624991900746e-04f,
|
|
1.381067930916839e-03f,
|
|
1.953124998542134e-03f,
|
|
2.762135862062757e-03f,
|
|
3.906249997408239e-03f,
|
|
5.524271724583683e-03f,
|
|
7.812499995464418e-03f,
|
|
1.104854345008369e-02f,
|
|
1.562499999222472e-02f,
|
|
2.209708690200003e-02f,
|
|
3.124999998704119e-02f,
|
|
4.419417380766535e-02f,
|
|
6.249999997926591e-02f,
|
|
8.838834762266132e-02f,
|
|
1.249999999688989e-01f,
|
|
1.767766952599839e-01f,
|
|
2.499999999585318e-01f,
|
|
3.535533905492901e-01f,
|
|
4.999999999585318e-01f,
|
|
7.071067811572251e-01f,
|
|
1.000000000000000e+00f,
|
|
1.414213562431740e+00f,
|
|
2.000000000165873e+00f,
|
|
2.828427125098059e+00f,
|
|
4.000000000663491e+00f,
|
|
5.656854250665278e+00f,
|
|
8.000000001990472e+00f,
|
|
1.131370850226887e+01f,
|
|
1.600000000530792e+01f,
|
|
2.262741700641438e+01f,
|
|
3.200000001326981e+01f,
|
|
4.525483401658204e+01f,
|
|
6.400000003184756e+01f,
|
|
9.050966804067060e+01f,
|
|
1.280000000743110e+02f,
|
|
1.810193360963542e+02f,
|
|
2.560000001698536e+02f,
|
|
3.620386722227349e+02f,
|
|
5.120000003821707e+02f,
|
|
7.240773445055215e+02f,
|
|
1.024000000849268e+03f,
|
|
1.448154689131149e+03f,
|
|
2.048000001868390e+03f,
|
|
2.896309378502505e+03f,
|
|
4.096000004076487e+03f,
|
|
5.792618757485434e+03f,
|
|
8.192000008832390e+03f,
|
|
1.158523751593169e+04f,
|
|
1.638400001902361e+04f,
|
|
2.317047503378509e+04f,
|
|
3.276800004076484e+04f,
|
|
4.634095007141347e+04f,
|
|
6.553600008696507e+04f,
|
|
9.268190015051374e+04f,
|
|
1.310720001848009e+05f,
|
|
1.853638003164007e+05f,
|
|
2.621440003913428e+05f,
|
|
3.707276006635486e+05f,
|
|
5.242880008261676e+05f,
|
|
7.414552013885899e+05f
|
|
};
|
|
#endif
|
|
|
|
#if defined(G722_1_USE_FIXED_POINT)
|
|
const int16_t standard_deviation_inverse_table[REGION_POWER_TABLE_SIZE] =
|
|
{
|
|
32767, 32767, 32767, 32767, 32767, 32767, 32767, 32767, 32767, 32767,
|
|
32767, 32767, 32767, 32767, 32767, 32767, 32767, 32767, 32767, 32767,
|
|
32767, 32767, 32767, 32767, 32767, 23170, 16384, 11585, 8192, 5793,
|
|
4096, 2896, 2048, 1448, 1024, 724, 512, 362, 256, 181,
|
|
128, 91, 64, 45, 32, 23, 16, 11, 8, 6,
|
|
4, 3, 2, 1, 1, 1, 1, 0, 0, 0,
|
|
0, 0, 0, 0
|
|
};
|
|
#else
|
|
const float standard_deviation_inverse_table[REGION_POWER_TABLE_SIZE] =
|
|
{
|
|
4.096000004076488e+03f,
|
|
2.896309378502504e+03f,
|
|
2.048000001868390e+03f,
|
|
1.448154689131149e+03f,
|
|
1.024000000849268e+03f,
|
|
7.240773445055215e+02f,
|
|
5.120000003821708e+02f,
|
|
3.620386722227349e+02f,
|
|
2.560000001698537e+02f,
|
|
1.810193360963542e+02f,
|
|
1.280000000743110e+02f,
|
|
9.050966804067060e+01f,
|
|
6.400000003184756e+01f,
|
|
4.525483401658203e+01f,
|
|
3.200000001326982e+01f,
|
|
2.262741700641438e+01f,
|
|
1.600000000530793e+01f,
|
|
1.131370850226887e+01f,
|
|
8.000000001990474e+00f,
|
|
5.656854250665277e+00f,
|
|
4.000000000663491e+00f,
|
|
2.828427125098059e+00f,
|
|
2.000000000165873e+00f,
|
|
1.414213562431740e+00f,
|
|
1.000000000000000e+00f,
|
|
7.071067811572251e-01f,
|
|
4.999999999585318e-01f,
|
|
3.535533905492901e-01f,
|
|
2.499999999585318e-01f,
|
|
1.767766952599838e-01f,
|
|
1.249999999688989e-01f,
|
|
8.838834762266132e-02f,
|
|
6.249999997926592e-02f,
|
|
4.419417380766535e-02f,
|
|
3.124999998704120e-02f,
|
|
2.209708690200002e-02f,
|
|
1.562499999222472e-02f,
|
|
1.104854345008369e-02f,
|
|
7.812499995464418e-03f,
|
|
5.524271724583683e-03f,
|
|
3.906249997408239e-03f,
|
|
2.762135862062757e-03f,
|
|
1.953124998542134e-03f,
|
|
1.381067930916839e-03f,
|
|
9.765624991900747e-04f,
|
|
6.905339654011486e-04f,
|
|
4.882812495545411e-04f,
|
|
3.452669826719394e-04f,
|
|
2.441406247570224e-04f,
|
|
1.726334913216520e-04f,
|
|
1.220703123683871e-04f,
|
|
8.631674565366727e-05f,
|
|
6.103515617913153e-05f,
|
|
4.315837282325419e-05f,
|
|
3.051757808703478e-05f,
|
|
2.157918640983742e-05f,
|
|
1.525878904225187e-05f,
|
|
1.078959320402385e-05f,
|
|
7.629394520493171e-06f,
|
|
5.394796601564505e-06f,
|
|
3.814697259930213e-06f,
|
|
2.697398300558537e-06f,
|
|
1.907348629806920e-06f,
|
|
1.348699150167414e-06f
|
|
};
|
|
#endif
|
|
|
|
#if defined(G722_1_USE_FIXED_POINT)
|
|
const int16_t step_size_inverse_table[NUM_CATEGORIES] =
|
|
{
|
|
23167,
|
|
16384,
|
|
11585,
|
|
8192,
|
|
5793,
|
|
4096,
|
|
2896,
|
|
2896
|
|
};
|
|
#else
|
|
/* The last category isn't really coded with scalar quantization. */
|
|
const float step_size[NUM_CATEGORIES] =
|
|
{
|
|
0.3536f,
|
|
0.5f,
|
|
0.7071f,
|
|
1.0f,
|
|
1.4142f,
|
|
2.0f,
|
|
2.8284f,
|
|
2.8284f
|
|
};
|
|
|
|
const float step_size_inverse_table[NUM_CATEGORIES] =
|
|
{
|
|
2.82805443e+00f,
|
|
2.00000000e+00f,
|
|
1.41422713e+00f,
|
|
1.00000000e+00f,
|
|
7.07113564e-01f,
|
|
5.00000000e-01f,
|
|
3.53556782e-01f,
|
|
3.53556782e-01f
|
|
};
|
|
#endif
|
|
|
|
#if defined(G722_1_USE_FIXED_POINT)
|
|
const int16_t int_dead_zone[NUM_CATEGORIES] =
|
|
{
|
|
2457, 2703, 2949, 3195 , 3440, 3686, 4096, 4096
|
|
};
|
|
|
|
const int16_t int_dead_zone_low_bits[NUM_CATEGORIES] =
|
|
{
|
|
2, 1, 0, 0, 3, 2, 0, 0
|
|
};
|
|
#else
|
|
const float dead_zone[NUM_CATEGORIES] =
|
|
{
|
|
0.3f,
|
|
0.33f,
|
|
0.36f,
|
|
0.39f,
|
|
0.42f,
|
|
0.45f,
|
|
0.5f,
|
|
0.5f
|
|
};
|
|
#endif
|
|
|
|
#if !defined(G722_1_USE_FIXED_POINT)
|
|
const float region_power_table[REGION_POWER_TABLE_SIZE] =
|
|
{
|
|
5.96046448e-08f,
|
|
1.19209290e-07f,
|
|
2.38418579e-07f,
|
|
4.76837158e-07f,
|
|
9.53674316e-07f,
|
|
1.90734863e-06f,
|
|
3.81469727e-06f,
|
|
7.62939453e-06f,
|
|
1.52587891e-05f,
|
|
3.05175781e-05f,
|
|
6.10351562e-05f,
|
|
1.22070312e-04f,
|
|
2.44140625e-04f,
|
|
4.88281250e-04f,
|
|
9.76562500e-04f,
|
|
1.95312500e-03f,
|
|
3.90625000e-03f,
|
|
7.81250000e-03f,
|
|
1.56250000e-02f,
|
|
3.12500000e-02f,
|
|
6.25000000e-02f,
|
|
1.25000000e-01f,
|
|
2.50000000e-01f,
|
|
5.00000000e-01f,
|
|
1.00000000e+00f,
|
|
2.00000000e+00f,
|
|
4.00000000e+00f,
|
|
8.00000000e+00f,
|
|
1.60000000e+01f,
|
|
3.20000000e+01f,
|
|
6.40000000e+01f,
|
|
1.28000000e+02f,
|
|
2.56000000e+02f,
|
|
5.12000000e+02f,
|
|
1.02400000e+03f,
|
|
2.04800000e+03f,
|
|
4.09600000e+03f,
|
|
8.19200000e+03f,
|
|
1.63840000e+04f,
|
|
3.27680000e+04f,
|
|
6.55360000e+04f,
|
|
1.31072000e+05f,
|
|
2.62144000e+05f,
|
|
5.24288000e+05f,
|
|
1.04857600e+06f,
|
|
2.09715200e+06f,
|
|
4.19430400e+06f,
|
|
8.38860800e+06f,
|
|
1.67772160e+07f,
|
|
3.35544320e+07f,
|
|
6.71088640e+07f,
|
|
1.34217728e+08f,
|
|
2.68435456e+08f,
|
|
5.36870912e+08f,
|
|
1.07374182e+09f,
|
|
2.14748365e+09f,
|
|
4.29496730e+09f,
|
|
8.58993459e+09f,
|
|
1.71798692e+10f,
|
|
3.43597384e+10f,
|
|
6.87194767e+10f,
|
|
1.37438953e+11f,
|
|
2.74877907e+11f,
|
|
5.49755814e+11f
|
|
};
|
|
|
|
const float region_power_table_boundary[REGION_POWER_TABLE_SIZE - 1] =
|
|
{
|
|
8.42936956e-08f,
|
|
1.68587391e-07f,
|
|
3.37174782e-07f,
|
|
6.74349565e-07f,
|
|
1.34869913e-06f,
|
|
2.69739826e-06f,
|
|
5.39479652e-06f,
|
|
1.07895930e-05f,
|
|
2.15791861e-05f,
|
|
4.31583721e-05f,
|
|
8.63167443e-05f,
|
|
1.72633489e-04f,
|
|
3.45266977e-04f,
|
|
6.90533954e-04f,
|
|
1.38106791e-03f,
|
|
2.76213582e-03f,
|
|
5.52427163e-03f,
|
|
1.10485433e-02f,
|
|
2.20970865e-02f,
|
|
4.41941731e-02f,
|
|
8.83883461e-02f,
|
|
1.76776692e-01f,
|
|
3.53553385e-01f,
|
|
7.07106769e-01f,
|
|
1.41421354e+00f,
|
|
2.82842708e+00f,
|
|
5.65685415e+00f,
|
|
1.13137083e+01f,
|
|
2.26274166e+01f,
|
|
4.52548332e+01f,
|
|
9.05096664e+01f,
|
|
1.81019333e+02f,
|
|
3.62038666e+02f,
|
|
7.24077332e+02f,
|
|
1.44815466e+03f,
|
|
2.89630933e+03f,
|
|
5.79261865e+03f,
|
|
1.15852373e+04f,
|
|
2.31704746e+04f,
|
|
4.63409492e+04f,
|
|
9.26818984e+04f,
|
|
1.85363797e+05f,
|
|
3.70727594e+05f,
|
|
7.41455188e+05f,
|
|
1.48291038e+06f,
|
|
2.96582075e+06f,
|
|
5.93164150e+06f,
|
|
1.18632830e+07f,
|
|
2.37265660e+07f,
|
|
4.74531320e+07f,
|
|
9.49062640e+07f,
|
|
1.89812528e+08f,
|
|
3.79625056e+08f,
|
|
7.59250112e+08f,
|
|
1.51850022e+09f,
|
|
3.03700045e+09f,
|
|
6.07400090e+09f,
|
|
1.21480018e+10f,
|
|
2.42960036e+10f,
|
|
4.85920072e+10f,
|
|
9.71840143e+10f,
|
|
1.94368029e+11f,
|
|
3.88736057e+11f
|
|
};
|
|
#endif
|
|
|
|
/*- End of file ------------------------------------------------------------*/
|