/*
 * G.723.1 common header and data tables
 * Copyright (c) 2006 Benjamin Larsson
 * Copyright (c) 2010 Mohamed Naufal Basheer
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg 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.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

/**
 * @file
 * G.723.1 types, functions and data tables
 */

#ifndef AVCODEC_G723_1_H
#define AVCODEC_G723_1_H

#include <stdint.h>

#include "libavutil/log.h"

#define SUBFRAMES       4
#define SUBFRAME_LEN    60
#define FRAME_LEN       (SUBFRAME_LEN << 2)
#define HALF_FRAME_LEN  (FRAME_LEN / 2)
#define LPC_FRAME       (HALF_FRAME_LEN + SUBFRAME_LEN)
#define LPC_ORDER       10
#define LSP_BANDS       3
#define LSP_CB_SIZE     256
#define PITCH_MIN       18
#define PITCH_MAX       (PITCH_MIN + 127)
#define PITCH_ORDER     5
#define GRID_SIZE       2
#define PULSE_MAX       6
#define GAIN_LEVELS     24
#define COS_TBL_SIZE    512

/**
 * Bitexact implementation of 2ab scaled by 1/2^16.
 *
 * @param a 32 bit multiplicand
 * @param b 16 bit multiplier
 */
#define MULL2(a, b) \
        ((((a) >> 16) * (b) << 1) + (((a) & 0xffff) * (b) >> 15))

/**
 * G723.1 frame types
 */
enum FrameType {
    ACTIVE_FRAME,        ///< Active speech
    SID_FRAME,           ///< Silence Insertion Descriptor frame
    UNTRANSMITTED_FRAME
};

/**
 * G723.1 rate values
 */
enum Rate {
    RATE_6300,
    RATE_5300
};

/**
 * G723.1 unpacked data subframe
 */
typedef struct G723_1_Subframe {
    int ad_cb_lag;     ///< adaptive codebook lag
    int ad_cb_gain;
    int dirac_train;
    int pulse_sign;
    int grid_index;
    int amp_index;
    int pulse_pos;
} G723_1_Subframe;

/**
 * Pitch postfilter parameters
 */
typedef struct PPFParam {
    int     index;    ///< postfilter backward/forward lag
    int16_t opt_gain; ///< optimal gain
    int16_t sc_gain;  ///< scaling gain
} PPFParam;

/**
 * Harmonic filter parameters
 */
typedef struct HFParam {
    int index;
    int gain;
} HFParam;

/**
 * Optimized fixed codebook excitation parameters
 */
typedef struct FCBParam {
    int min_err;
    int amp_index;
    int grid_index;
    int dirac_train;
    int pulse_pos[PULSE_MAX];
    int pulse_sign[PULSE_MAX];
} FCBParam;

typedef struct g723_1_context {
    AVClass *class;

    G723_1_Subframe subframe[4];
    enum FrameType cur_frame_type;
    enum FrameType past_frame_type;
    enum Rate cur_rate;
    uint8_t lsp_index[LSP_BANDS];
    int pitch_lag[2];
    int erased_frames;

    int16_t prev_lsp[LPC_ORDER];
    int16_t sid_lsp[LPC_ORDER];
    int16_t prev_excitation[PITCH_MAX];
    int16_t excitation[PITCH_MAX + FRAME_LEN + 4];
    int16_t synth_mem[LPC_ORDER];
    int16_t fir_mem[LPC_ORDER];
    int     iir_mem[LPC_ORDER];

    int random_seed;
    int cng_random_seed;
    int interp_index;
    int interp_gain;
    int sid_gain;
    int cur_gain;
    int reflection_coef;
    int pf_gain;                 ///< formant postfilter
                                 ///< gain scaling unit memory
    int postfilter;

    int16_t audio[FRAME_LEN + LPC_ORDER + PITCH_MAX + 4];

    /* encoder */
    int16_t prev_data[HALF_FRAME_LEN];
    int16_t prev_weight_sig[PITCH_MAX];

    int16_t hpf_fir_mem;                   ///< highpass filter fir
    int     hpf_iir_mem;                   ///< and iir memories
    int16_t perf_fir_mem[LPC_ORDER];       ///< perceptual filter fir
    int16_t perf_iir_mem[LPC_ORDER];       ///< and iir memories

    int16_t harmonic_mem[PITCH_MAX];
} G723_1_Context;


/**
 * Scale vector contents based on the largest of their absolutes.
 */
int ff_g723_1_scale_vector(int16_t *dst, const int16_t *vector, int length);

/**
 * Calculate the number of left-shifts required for normalizing the input.
 *
 * @param num   input number
 * @param width width of the input, 16 bits(0) / 32 bits(1)
 */
int ff_g723_1_normalize_bits(int num, int width);

int ff_g723_1_dot_product(const int16_t *a, const int16_t *b, int length);

/**
 * Get delayed contribution from the previous excitation vector.
 */
void ff_g723_1_get_residual(int16_t *residual, int16_t *prev_excitation,
                            int lag);

/**
 * Generate a train of dirac functions with period as pitch lag.
 */
void ff_g723_1_gen_dirac_train(int16_t *buf, int pitch_lag);


/**
 * Generate adaptive codebook excitation.
 */
void ff_g723_1_gen_acb_excitation(int16_t *vector, int16_t *prev_excitation,
                                  int pitch_lag, G723_1_Subframe *subfrm,
                                  enum Rate cur_rate);
/**
 * Quantize LSP frequencies by interpolation and convert them to
 * the corresponding LPC coefficients.
 *
 * @param lpc      buffer for LPC coefficients
 * @param cur_lsp  the current LSP vector
 * @param prev_lsp the previous LSP vector
 */
void ff_g723_1_lsp_interpolate(int16_t *lpc, int16_t *cur_lsp,
                               int16_t *prev_lsp);

/**
 * Perform inverse quantization of LSP frequencies.
 *
 * @param cur_lsp    the current LSP vector
 * @param prev_lsp   the previous LSP vector
 * @param lsp_index  VQ indices
 * @param bad_frame  bad frame flag
 */
void ff_g723_1_inverse_quant(int16_t *cur_lsp, int16_t *prev_lsp,
                             uint8_t *lsp_index, int bad_frame);

static const uint8_t frame_size[4] = { 24, 20, 4, 1 };

/**
 * Postfilter gain weighting factors scaled by 2^15
 */
static const int16_t ppf_gain_weight[2] = {0x1800, 0x2000};

/**
 * LSP DC component
 */
static const int16_t dc_lsp[LPC_ORDER] = {
    0x0c3b,
    0x1271,
    0x1e0a,
    0x2a36,
    0x3630,
    0x406f,
    0x4d28,
    0x56f4,
    0x638c,
    0x6c46
};

/* Cosine table scaled by 2^14 */
static const int16_t cos_tab[COS_TBL_SIZE + 1] = {
    16384,  16383,  16379,  16373,  16364,  16353,  16340,  16324,
    16305,  16284,  16261,  16235,  16207,  16176,  16143,  16107,
    16069,  16029,  15986,  15941,  15893,  15843,  15791,  15736,
    15679,  15619,  15557,  15493,  15426,  15357,  15286,  15213,
    15137,  15059,  14978,  14896,  14811,  14724,  14635,  14543,
    14449,  14354,  14256,  14155,  14053,  13949,  13842,  13733,
    13623,  13510,  13395,  13279,  13160,  13039,  12916,  12792,
    12665,  12537,  12406,  12274,  12140,  12004,  11866,  11727,
    11585,  11442,  11297,  11151,  11003,  10853,  10702,  10549,
    10394,  10238,  10080,   9921,   9760,   9598,   9434,   9269,
     9102,   8935,   8765,   8595,   8423,   8250,   8076,   7900,
     7723,   7545,   7366,   7186,   7005,   6823,   6639,   6455,
     6270,   6084,   5897,   5708,   5520,   5330,   5139,   4948,
     4756,   4563,   4370,   4176,   3981,   3786,   3590,   3393,
     3196,   2999,   2801,   2603,   2404,   2205,   2006,   1806,
     1606,   1406,   1205,   1005,    804,    603,    402,    201,
        0,   -201,   -402,   -603,   -804,  -1005,  -1205,  -1406,
    -1606,  -1806,  -2006,  -2205,  -2404,  -2603,  -2801,  -2999,
    -3196,  -3393,  -3590,  -3786,  -3981,  -4176,  -4370,  -4563,
    -4756,  -4948,  -5139,  -5330,  -5520,  -5708,  -5897,  -6084,
    -6270,  -6455,  -6639,  -6823,  -7005,  -7186,  -7366,  -7545,
    -7723,  -7900,  -8076,  -8250,  -8423,  -8595,  -8765,  -8935,
    -9102,  -9269,  -9434,  -9598,  -9760,  -9921, -10080, -10238,
   -10394, -10549, -10702, -10853, -11003, -11151, -11297, -11442,
   -11585, -11727, -11866, -12004, -12140, -12274, -12406, -12537,
   -12665, -12792, -12916, -13039, -13160, -13279, -13395, -13510,
   -13623, -13733, -13842, -13949, -14053, -14155, -14256, -14354,
   -14449, -14543, -14635, -14724, -14811, -14896, -14978, -15059,
   -15137, -15213, -15286, -15357, -15426, -15493, -15557, -15619,
   -15679, -15736, -15791, -15843, -15893, -15941, -15986, -16029,
   -16069, -16107, -16143, -16176, -16207, -16235, -16261, -16284,
   -16305, -16324, -16340, -16353, -16364, -16373, -16379, -16383,
   -16384, -16383, -16379, -16373, -16364, -16353, -16340, -16324,
   -16305, -16284, -16261, -16235, -16207, -16176, -16143, -16107,
   -16069, -16029, -15986, -15941, -15893, -15843, -15791, -15736,
   -15679, -15619, -15557, -15493, -15426, -15357, -15286, -15213,
   -15137, -15059, -14978, -14896, -14811, -14724, -14635, -14543,
   -14449, -14354, -14256, -14155, -14053, -13949, -13842, -13733,
   -13623, -13510, -13395, -13279, -13160, -13039, -12916, -12792,
   -12665, -12537, -12406, -12274, -12140, -12004, -11866, -11727,
   -11585, -11442, -11297, -11151, -11003, -10853, -10702, -10549,
   -10394, -10238, -10080,  -9921,  -9760,  -9598,  -9434,  -9269,
    -9102,  -8935,  -8765,  -8595,  -8423,  -8250,  -8076,  -7900,
    -7723,  -7545,  -7366,  -7186,  -7005,  -6823,  -6639,  -6455,
    -6270,  -6084,  -5897,  -5708,  -5520,  -5330,  -5139,  -4948,
    -4756,  -4563,  -4370,  -4176,  -3981,  -3786,  -3590,  -3393,
    -3196,  -2999,  -2801,  -2603,  -2404,  -2205,  -2006,  -1806,
    -1606,  -1406,  -1205,  -1005,   -804,   -603,   -402,   -201,
        0,    201,    402,    603,    804,   1005,   1205,   1406,
     1606,   1806,   2006,   2205,   2404,   2603,   2801,   2999,
     3196,   3393,   3590,   3786,   3981,   4176,   4370,   4563,
     4756,   4948,   5139,   5330,   5520,   5708,   5897,   6084,
     6270,   6455,   6639,   6823,   7005,   7186,   7366,   7545,
     7723,   7900,   8076,   8250,   8423,   8595,   8765,   8935,
     9102,   9269,   9434,   9598,   9760,   9921,  10080,  10238,
    10394,  10549,  10702,  10853,  11003,  11151,  11297,  11442,
    11585,  11727,  11866,  12004,  12140,  12274,  12406,  12537,
    12665,  12792,  12916,  13039,  13160,  13279,  13395,  13510,
    13623,  13733,  13842,  13949,  14053,  14155,  14256,  14354,
    14449,  14543,  14635,  14724,  14811,  14896,  14978,  15059,
    15137,  15213,  15286,  15357,  15426,  15493,  15557,  15619,
    15679,  15736,  15791,  15843,  15893,  15941,  15986,  16029,
    16069,  16107,  16143,  16176,  16207,  16235,  16261,  16284,
    16305,  16324,  16340,  16353,  16364,  16373,  16379,  16383,
    16384
};

/**
 *  LSP VQ tables
 */
static const int16_t lsp_band0[LSP_CB_SIZE][3] = {
    {    0,      0,      0}, { -270,  -1372,  -1032}, { -541,  -1650,  -1382},
    { -723,  -2011,  -2213}, { -941,  -1122,  -1942}, { -780,  -1145,  -2454},
    { -884,  -1309,  -1373}, {-1051,  -1523,  -1766}, {-1083,  -1622,  -2300},
    { -777,  -1377,  -2147}, { -935,  -1467,  -2763}, { -802,  -1327,  -3471},
    { -935,  -1959,  -3999}, { -240,    -89,    222}, { -661,   -257,   -160},
    { -994,   -466,   -419}, { -188,   -164,   -278}, { -342,   -512,   -415},
    { -607,   -511,   -797}, {   16,     19,   -716}, {  374,    425,   -972},
    { -346,    245,   -282}, { -265,    506,   -754}, { -620,   -147,   1955},
    { -742,   -860,   2597}, { -150,   -352,   2704}, {  305,    880,   1954},
    {  123,    731,   2766}, { -348,    765,   3327}, {  618,    221,   3258},
    { -178,    -47,   4219}, {  393,   1304,   3842}, {  698,   1702,   4801},
    {   63,   -584,   1229}, { -215,   -732,   1704}, {  172,   -335,   1909},
    {   -2,    216,   1797}, {  353,    127,   2205}, {-1208,    188,     11},
    { -513,    -75,   -683}, { -973,    222,   -646}, { -616,   -843,   -388},
    { -950,  -1113,   -359}, {-1431,   -623,   -705}, {-1398,  -1063,   -178},
    {  -45,   -461,     35}, {   -9,   -657,   -216}, {  127,  -1078,     95},
    { -950,  -1156,    584}, {-1480,  -1494,    449}, { -120,   -705,    516},
    { -368,   -961,    727}, { -378,   -526,    973}, { -793,   -614,    676},
    { -801,   -755,   1287}, {-1476,   -340,   1636}, { -505,  -1254,   1543},
    {-1243,  -1622,   1532}, { -776,  -1477,   -655}, {-1151,  -1296,   -823},
    {-1153,  -1672,  -1124}, {-1291,  -2003,  -1702}, { -622,  -1283,     57},
    { -471,  -1611,    509}, {-1060,  -1570,   -139}, { -873,  -2156,   -536},
    {-1716,  -2021,   -364}, {-2150,  -3218,  -1291}, {-1248,  -1945,  -2904},
    {-1215,  -2633,  -2855}, {  167,   -244,     84}, {  349,   -412,   -217},
    {  -40,   -352,    632}, {  227,   -529,    405}, {   68,   -383,   -443},
    {  167,   -558,   -706}, { -275,   -854,    -14}, { -351,  -1089,   -449},
    {  341,    -72,   -289}, {  603,   -106,   -474}, {  322,   -219,   -649},
    {  179,   -317,   -998}, {  450,   -291,   -996}, {  555,    195,   -525},
    {  784,    272,   -831}, { -148,   -384,   -849}, {   82,   -536,  -1357},
    {  238,   -172,  -1354}, {  422,   -268,  -1841}, {  297,   -737,  -2079},
    { -111,   -801,   -598}, {    1,   -668,   -984}, { -131,   -818,  -1299},
    { -329,   -521,  -1310}, { -151,   -778,  -1834}, {  -93,   -352,  -1746},
    { -568,   -640,  -1821}, { -509,   -941,  -2183}, {  464,   -815,  -1250},
    {   79,  -1133,  -1597}, { -184,  -1353,  -2123}, { -196,   -410,  -2427},
    { -192,   -833,  -2810}, { -259,  -1382,  -3045}, { -217,      4,  -1166},
    { -800,   -325,  -1219}, { -363,   -830,   -898}, { -661,  -1134,   -960},
    { -386,   -980,  -1501}, { -627,  -1159,  -1722}, { -903,   -829,   -855},
    { -685,   -829,  -1313}, {-1065,   -959,  -1405}, {  441,     25,   -847},
    {  655,    -27,  -1181}, { 1159,   -110,   -705}, {  856,    253,  -1671},
    {  415,    404,     -1}, {  322,    903,   -398}, {  670,    499,   -292},
    {  803,    591,   -610}, { 1144,    591,   -814}, {  717,    183,    393},
    {  857,    381,    106}, {  609,     62,    -27}, {  792,    198,   -325},
    {  735,    805,     88}, { 1142,    812,     78}, { 1028,    366,   -292},
    { 1309,    743,   -237}, { 1615,    589,    -79}, { 1010,    639,   -243},
    {  999,    964,   -311}, { 1500,   1137,   -615}, {  988,    357,    646},
    { 1227,    667,    683}, { 1164,   1565,    894}, { 1392,   2015,    477},
    { 1138,    533,    250}, { 1437,    896,    391}, { 1765,   1118,     99},
    { 1112,   1090,    802}, { 1596,    846,   1134}, {  937,   1161,    279},
    { 1719,   1254,    683}, { 1338,   1086,     35}, { 1419,   1324,    428},
    { 1428,   1524,     40}, { 2108,   1594,     89}, { 1015,    544,   1222},
    { 1121,    925,   1263}, { 1030,   1318,   1485}, { 1295,    789,   1817},
    { 1323,   1272,   1909}, { 1724,   1237,   1803}, { 1797,   1689,    858},
    { 2149,   1367,   1301}, { 2302,   1867,    761}, { 2863,   2351,   1053},
    {   52,    163,    -76}, {  230,    309,   -492}, {  -71,    619,     39},
    { -218,    856,    499}, { -654,    736,   -207}, { -535,   1259,    155},
    { -480,   1476,    643}, {  262,   1081,    102}, {  309,   1592,   -182},
    {  627,   1629,    534}, {  337,    643,    456}, {  758,    670,    713},
    {  202,   1126,    658}, {  612,   1131,    666}, {  686,   1223,   1136},
    { -131,    377,    525}, {   42,    708,    907}, {   87,   1488,   1035},
    {  432,   2117,    904}, {  137,    981,   1332}, { -447,   1014,   1136},
    { -839,   1793,   1246}, { -559,    297,    198}, { -850,    685,    446},
    {-1273,    632,    826}, { -401,   -544,    173}, { -753,   -793,    144},
    { -436,     -9,    772}, { -115,   -243,   1310}, { -670,   -269,    374},
    {-1027,    -13,    639}, { -887,    -81,   1137}, {-1277,   -455,    158},
    {-1411,   -720,    736}, {  172,     88,    403}, {  386,    255,    756},
    { -500,    522,    910}, { -958,    659,   1388}, { -395,    301,   1344},
    { -356,    768,   1813}, { -613,    841,   2419}, {  445,   -122,    252},
    {  629,    -87,    723}, {  283,   -253,    870}, {  456,   -116,   1381},
    {  757,    180,   1059}, {  532,    408,   1509}, {  947,    288,   1806},
    { 1325,    994,   2524}, {  892,   1219,   3023}, { 1397,   1596,   3406},
    { 1143,   1552,   2546}, { 1850,   1433,   2710}, {  -10,    134,   1002},
    {  154,    499,   1323}, {  508,    792,   1117}, {  509,   1340,   1616},
    {  762,    862,   1608}, {  787,    740,   2320}, {  794,   1727,   1283},
    {  465,   2108,   1660}, { -120,   1451,   1613}, { -386,   2016,   2169},
    {  891,   1225,   2050}, {  456,   1480,   2185}, { 1493,   1283,   1209},
    { 1397,   1636,   1518}, { 1776,   1738,   1552}, { 1572,   1698,   2141},
    { 1389,   2126,   1271}, { 1959,   2413,   1119}, { 1365,   2892,   1505},
    { 2206,   1971,   1623}, { 2076,   1950,   2280}, { 1717,   2291,   1867},
    { 2366,   2515,   1953}, { 2865,   2838,   2522}, { 2535,   3465,   2011},
    { 3381,   4127,   2638}, {  836,   2667,   2289}, { 1761,   2773,   2337},
    { 1415,   3325,   2911}, { 2354,   3138,   3126}, { 2659,   4192,   4010},
    { 1048,   1786,   1818}, { 1242,   2111,   2240}, { 1512,   2079,   2780},
    { 1573,   2491,   3138}, { 2230,   2377,   2782}, {  416,   1773,   2704},
    {  725,   2336,   3297}, { 1252,   2373,   3978}, { 2094,   2268,   3568},
    { 2011,   2712,   4528}, { 1341,   3507,   3876}, { 1216,   3919,   4922},
    { 1693,   4793,   6012}
};

static const int16_t lsp_band1[LSP_CB_SIZE][3] = {
    {    0,      0,      0}, {-2114,  -1302,     76}, {-2652,  -1278,  -1368},
    {-2847,   -828,   -349}, {-3812,  -2190,   -349}, {-3946,   -364,   -449},
    {-2725,  -4492,  -3607}, {-3495,  -4764,  -1744}, {  -51,   -756,     84},
    { -153,  -1191,    504}, {  108,  -1418,   1167}, { -835,   -896,    390},
    { -569,  -1702,     87}, {-1151,  -1818,    933}, {-1826,  -2547,    411},
    {-1842,  -1818,   1451}, {-2438,  -1611,    781}, {-2747,  -2477,   1311},
    { -940,   1252,    477}, {-1629,   1688,    602}, {-1202,    617,    280},
    {-1737,    393,    580}, {-1528,   1077,   1199}, {-2165,   -161,   1408},
    {-2504,  -1087,   2371}, {-3458,   -175,   1395}, {-1397,    -98,   -843},
    {-2252,   -177,  -1149}, {-1489,   -726,  -1283}, {-1558,   -265,  -1744},
    {-1867,   -821,  -1897}, {-2062,  -1516,  -2340}, {-2595,  -1142,  -2861},
    {  170,     46,   -819}, { -193,   -204,  -1151}, {  326,   -196,  -1532},
    {  780,    329,   -816}, {  201,    369,  -1243}, {  650,   -209,  -1060},
    { 1144,    -15,  -1216}, { 1203,   -259,  -1867}, { -890,   -564,  -1430},
    { -638,   -852,  -1921}, {  177,   -739,  -1358}, { -261,   -526,  -1666},
    {  206,   -407,  -2255}, {  338,   -526,   -822}, {  421,  -1095,  -1009},
    {  765,   -607,  -1408}, {  825,  -1295,  -2004}, {  357,   -905,  -1815},
    {  -58,  -1248,  -1588}, { -596,  -1436,  -2046}, {  -73,  -1159,  -2116},
    { -115,  -1382,  -2581}, { -160,  -1723,  -1952}, {   -6,  -2196,  -2954},
    { -649,  -1705,  -2603}, { -617,  -1453,  -3282}, { -949,  -2019,  -3102},
    { -812,   1544,   1937}, {-1854,    574,   2000}, {-1463,   1140,   2649},
    {-2683,   1748,   1452}, {-2486,   2241,   2523}, {  783,   1910,   1435},
    {  581,   2682,   1376}, {  236,   2197,   1885}, { -453,   2943,   2057},
    { -682,   2178,   2565}, {-1342,   3201,   3328}, { -288,   -184,    262},
    {  121,   -149,   -183}, {  758,   -412,    206}, { 1038,   -204,    853},
    { 1577,   -457,    700}, {  937,   -640,   -567}, { 1508,   -528,  -1024},
    { -225,   -527,   -427}, { -564,  -1095,   -332}, { -742,   -353,   -186},
    {-1288,   -459,     84}, {-1853,   -484,   -274}, {-1554,   -731,    825},
    {-2425,   -234,    382}, {-1722,    293,   -271}, {-2515,    425,   -564},
    {-2599,    818,    464}, { -358,    118,   -375}, { -613,    198,   -874},
    { -690,    683,   -324}, {-1352,   1155,   -168}, {-1093,    129,   -324},
    {-1184,    611,   -858}, {  433,    386,   -372}, { -120,    486,   -634},
    {  234,    851,   -631}, {  602,    128,     46}, { 1099,    410,    159},
    {  715,   -145,   -424}, { 1198,    -85,   -593}, { 1390,    367,   -358},
    { 1683,    362,   -964}, { 1711,    622,     45}, { 2033,    833,   -383},
    { 2890,    549,   -506}, {    7,    401,     52}, {   72,    811,    415},
    {  566,    668,     41}, {  467,   1218,    130}, {   68,    957,   -187},
    {  -25,   1649,   -103}, { -661,    260,    214}, { -925,    -94,    612},
    { -321,   -422,    965}, { -788,   -672,   1783}, {  400,   -673,    779},
    {  741,   -595,   1635}, { -161,    307,    657}, { -382,    836,    871},
    { -814,    400,   1223}, {  364,    606,   1247}, {   57,     75,   1571},
    {  151,    471,   2287}, {  -81,   1021,   1502}, {  227,   1470,   1097},
    {  658,   1275,   1653}, {  664,   1478,   2377}, {  263,   -127,    444},
    {  264,     89,    969}, {  794,    171,    576}, {  821,    186,   1226},
    {  404,    462,    517}, {  339,    918,    794}, { 1280,   1423,    196},
    { 1453,   2019,    365}, { 1615,   1481,    672}, { 2394,   1708,    508},
    {  806,   1238,    573}, {  713,   1158,   1078}, { 1285,   1436,   1232},
    { 1790,   1188,   1141}, {  765,    643,    864}, { 1032,    797,   1279},
    {  900,    563,   1827}, { 1514,    673,   2312}, { 1544,   1129,   3240},
    { 1469,   1050,   1594}, { 1945,   1318,   1988}, { 2397,   2026,   2060},
    { 3538,   2057,   2620}, { 1249,   -118,     74}, { 1727,    194,    421},
    { 2078,    -50,   -463}, {  970,    688,   -432}, { 1149,    952,   -110},
    { 1254,   1275,   -651}, { 1386,    929,    401}, { 1960,   1167,    232},
    {  407,   -752,   -243}, {  859,  -1118,    172}, { -227,   -860,   -992},
    { -796,  -1175,  -1380}, {    8,  -1282,   -388}, {  353,  -1781,  -1037},
    { -732,   -397,   -807}, { -853,    -28,  -1342}, {-1229,  -1207,  -1959},
    {-1015,  -1125,  -2543}, {-1452,  -1791,  -2725}, {-1891,  -2416,  -3269},
    { -918,  -1629,   -783}, { -580,  -2155,   -698}, {-1097,  -2364,    -96},
    {-1387,  -1513,      7}, {-1588,  -2076,   -664}, {-1473,  -2740,   -784},
    {-2378,  -3149,    -56}, {-2856,  -2092,   -169}, {-3391,  -3708,    316},
    {-1176,   -890,   -614}, {-1944,  -1061,   -800}, { -299,  -1517,  -1000},
    { -640,  -1850,  -1526}, {-1454,  -1536,  -1233}, {-1890,  -1955,  -1756},
    {-1086,  -1921,  -2122}, { -750,  -2325,  -2260}, {-1325,  -2413,  -2673},
    {-1114,  -2542,  -3459}, {-1341,  -2901,  -3963}, {-1160,  -2226,  -1393},
    {-1001,  -2772,  -1573}, {-1594,  -2641,  -1978}, {-1534,  -3046,  -2624},
    {-2224,  -2196,   -675}, {-2807,  -3054,  -1102}, {-2008,  -2840,  -1186},
    {-1980,  -3332,  -1695}, {-1715,  -3562,   -505}, {-2527,  -4000,  -1887},
    {-2333,  -2734,  -2296}, {-3440,  -2401,  -3211}, {-2008,  -3528,  -3337},
    {-2247,  -3291,  -4510}, { -475,    949,    155}, { -149,   1365,    545},
    { -757,   1644,   1083}, { -217,   2053,   1353}, {-1433,   2301,   1462},
    {  495,   1661,    529}, {   10,   2037,    740}, { 2082,   1898,    978},
    { 2831,   2294,    911}, {  842,    793,    420}, { 1223,   1023,    863},
    { 1237,    451,    780}, { 1744,    708,    822}, { 1533,    284,   1384},
    { 2135,    609,   1538}, { 2305,    626,    540}, { 2368,   1187,    955},
    { 2586,   1255,     -7}, { 3116,   1131,    726}, { 3431,   1730,    428},
    { 2734,   1648,   1307}, { 2988,   1231,   2010}, { 3523,   2024,   1488},
    { 1034,   1657,    871}, { 1206,   2163,   1036}, { 1807,   2372,   1233},
    { 1808,   1769,   1493}, { 1573,   2332,   1779}, { 1216,   1609,   1866},
    { 1480,   1898,   2513}, {  465,   2708,   2776}, {  771,   3638,   3338},
    { 1869,   2599,   2623}, { 2825,   2745,   2468}, { 2638,   2439,   1585},
    { 2094,   2970,   1308}, { 2022,   3057,   1999}, { 3428,   2912,   1816},
    { 4536,   2974,   2129}, { 1046,   2563,   2086}, { 1363,   3562,   2318},
    { 2511,   1891,   2984}, { 1866,   2306,   3986}, { 3272,   2924,   3682},
    { 3146,   3564,   2272}, { 3592,   3968,   2822}, { 2431,   3369,   3069},
    { 1931,   4709,   3090}, { 2629,   4220,   3986}, { 4639,   4056,   3664},
    { 4035,   5334,   4912}
};

static const int16_t lsp_band2[LSP_CB_SIZE][4] = {
    {    0,      0,      0,      0}, {  601,    512,   -542,    334},
    {  428,   1087,   -484,   -132}, {  652,    622,   -391,   -572},
    {  378,    799,    141,   -860}, { 1040,    409,    112,   -554},
    { 1123,    670,    -75,   -847}, { 1421,    494,   -315,  -1095},
    {  787,   1001,    114,   -460}, {  988,   1672,    216,   -681},
    { 1007,   1241,   -132,  -1247}, { 1073,    399,    186,     -5},
    { 1262,    193,   -694,   -129}, {  325,    196,     51,   -641},
    {  861,    -59,    350,   -458}, { 1261,    567,    586,   -346},
    { 1532,    885,    210,   -517}, { 2027,    937,    113,   -792},
    { 1383,   1064,    334,     38}, { 1964,   1468,    459,    133},
    { 2062,   1186,    -98,   -121}, { 2577,   1445,    506,   -373},
    { 2310,   1682,     -2,   -960}, { 2876,   1939,    765,    138},
    { 3581,   2360,    649,   -414}, {  219,    176,   -398,   -309},
    {  434,    -78,   -435,   -880}, { -344,    301,    265,   -552},
    { -915,    470,    657,   -380}, {  419,   -432,   -163,   -453},
    {  351,   -953,      8,   -562}, {  789,    -43,     20,   -958},
    {  302,   -594,   -352,  -1159}, { 1040,    108,   -668,   -924},
    { 1333,    210,  -1217,  -1663}, {  483,    589,   -350,  -1140},
    { 1003,    824,   -802,  -1184}, {  745,     58,   -589,  -1443},
    {  346,    247,   -915,  -1683}, {  270,    796,   -720,  -2043},
    { 1208,    722,   -222,   -193}, { 1486,   1180,   -412,   -672},
    { 1722,    179,    -69,   -521}, { 2047,    860,   -666,  -1410},
    { -146,    222,   -281,   -805}, { -189,     90,   -114,  -1307},
    { -152,   1086,   -241,   -764}, { -439,    733,   -601,  -1302},
    { -833,   -167,   -351,   -601}, { -856,   -422,   -411,  -1059},
    { -747,   -355,   -582,  -1644}, { -837,    210,   -916,  -1144},
    {-1800,     32,   -878,  -1687}, {  -48,    -23,  -1146,     52},
    { -350,   -409,  -1656,   -364}, {  265,   -728,   -858,   -577},
    {  458,   -247,  -1141,   -997}, {  691,   -407,  -1988,  -1161},
    {  -66,   -104,   -705,  -1249}, { -431,    -93,  -1191,  -1844},
    {  203,   -732,  -1000,  -1693}, {   10,   -832,  -1846,  -1819},
    {  493,   -128,  -1436,  -1768}, {  488,   -311,  -1730,  -2540},
    { -653,   -532,  -1150,  -1172}, {-1086,   -289,  -1706,  -1533},
    { -699,  -1205,  -1216,  -1766}, {-1032,  -1481,  -2074,  -1523},
    { -721,  -1220,  -2277,  -2600}, {   12,   -539,  -1484,  -1131},
    {  -40,   -911,  -2106,   -441}, { -471,   -484,  -2267,  -1549},
    { -141,   -988,  -3006,  -1721}, {-1545,  -2102,   -583,    342},
    {-1383,  -2772,   -386,    -13}, {-2118,  -2589,  -1205,     72},
    {-2147,  -3231,   -965,    390}, {-2949,  -3300,   -621,    637},
    {-3907,  -4138,   -865,    803}, {-1287,   -845,   -375,   -548},
    {-1416,  -1169,   -487,  -1277}, {-1400,  -1690,  -1027,   -418},
    {-2018,  -1909,  -1188,  -1260}, {-1418,  -2222,  -2029,   -128},
    {-2067,  -2998,  -2693,   -310}, { -950,  -1028,  -1538,    185},
    {-1616,   -915,  -2205,   -549}, {   19,   -821,  -1145,    352},
    {  184,  -1175,  -1356,   -627}, { -547,  -1088,  -1661,   -911},
    { -216,  -1502,  -2197,   -948}, { -795,  -1306,  -2374,   -451},
    { -924,  -1889,  -2796,   -680}, { -600,  -1614,  -3609,   -885},
    {-2392,  -2528,    319,    303}, {-2908,  -2095,   -310,    573},
    {-3460,  -2141,     49,   -113}, {-2231,   -448,    675,   -146},
    {-2805,   -532,   1231,    479}, {-2684,   -486,   -200,    611},
    {-3525,   -971,   -198,    704}, {-3707,    173,    349,    254},
    {-4734,  -1447,    -34,    880}, {  777,   -512,    114,    -10},
    { 1250,    -66,    442,     -5}, {  604,    613,    452,   -352},
    { 1224,    777,    675,  -1014}, {-1372,    -79,  -1208,   -238},
    {-2389,    -17,  -1157,   -818}, {-1504,   -673,  -1133,  -1060},
    {-1984,   -799,  -2005,  -1973}, {-2037,   -798,  -1068,   -105},
    {-3190,   -899,  -1817,   -194}, { -156,   -886,    394,   -318},
    { -258,  -1283,    551,    202}, { -536,  -1729,    910,    331},
    { -847,  -1109,    795,   -163}, {-1171,  -1128,    715,    519},
    {-1080,  -1319,   1685,    668}, {-1000,  -1921,     96,    211},
    {-1487,  -2148,    831,    174}, {-1139,   -374,    414,     -4},
    {-1517,  -1383,    396,   -352}, {-1012,    439,    -59,   -967},
    {-1812,    706,   -440,  -1030}, {-1971,   -329,    -34,   -827},
    {-2472,  -1588,   -151,   -606}, {-2161,    374,   -281,     76},
    {-3012,    231,    -15,   -690}, { 1104,    566,    721,    209},
    { 1685,    564,    383,     98}, { 1898,    750,    792,    -97},
    {  556,    -64,    561,    -93}, {  876,    162,    913,    -22},
    {  961,    675,   1296,    140}, {  756,   -396,    851,    544},
    {  360,   -303,   1341,    396}, {  878,    -22,   1464,    863},
    { -309,   -273,    642,   -129}, { -686,    -82,    842,    454},
    {   -5,    -47,   1069,    998}, {  -94,    967,   1277,    298},
    { -489,    385,   1473,    746}, { -369,   -717,   1333,    242},
    {  281,   -993,   1726,    924}, {  464,    601,   1575,   1376},
    { -250,    206,   2339,   1175}, { -438,    377,   -597,   -285},
    {-1020,    787,   -790,   -287}, { -458,   -410,    215,    295},
    { -589,   -860,   -121,    797}, {-1175,    122,   -437,    466},
    {-1480,   -121,    367,    924}, {  234,    323,    770,   -555},
    {  145,     30,    996,     26}, {   66,    849,     93,   -145},
    { -117,   1261,    474,   -399}, {-1495,   1051,    218,   -506},
    {-1390,    694,    994,     88}, {  616,      7,     78,    304},
    { 1060,     52,    -62,    835}, {  833,    454,    649,   1359},
    { -770,    464,     47,     93}, { -574,   1199,    -39,    379},
    {  114,    -98,    488,    485}, {  727,    244,    606,    696},
    {  -76,    455,    671,    546}, { -565,    -13,    145,    819},
    { -376,    569,    448,   1128}, {  218,    122,    265,   1167},
    {  230,    738,    932,   1003}, {  138,    477,     36,    450},
    {  404,    787,    -73,   1000}, {  497,   1259,    387,   1231},
    {   17,    207,    195,    -79}, {  562,    358,     53,   -158},
    {  493,    387,    478,    189}, {  678,    831,    640,    558},
    { -197,    523,    613,     57}, {  429,    894,    769,    111},
    {   67,   1174,    568,    511}, { 1242,    824,    251,    840},
    { 1419,   1074,    864,    481}, {  924,   1474,    669,    724},
    { 1539,   1879,    654,   1590}, {  445,    337,   1111,    541},
    {  472,   1421,   1264,   1094}, {  794,    735,   1103,    668},
    { 1055,    863,   1192,   1020}, {  778,   1105,    806,   1798},
    { 1052,   1527,   1587,   2151}, {  881,   1552,   1265,    391},
    {  726,    872,   1812,    601}, { 1469,    280,   1008,    616},
    { 1403,    577,   1803,   1244}, { 1650,   1314,   1148,   1072},
    { 1297,   1669,   1911,   1026}, { 2093,   1044,   2115,   1189},
    { 1644,   1961,   2587,   1512}, {   25,   -315,     -9,   -106},
    {  290,   -339,    428,   -444}, {  -68,   -783,    735,    772},
    {  245,   -555,    468,     47}, {  334,   -895,    814,    146},
    {  235,    368,   -964,   -959}, { -203,    315,  -1566,  -1217},
    {  801,     17,   -276,   -354}, {  894,   -495,   -789,   -635},
    {  716,    291,  -1189,   -357}, {  560,   -260,   -733,     -2},
    {  679,   -508,  -1429,    211}, {  -51,    -62,   -428,    557},
    {  322,   -638,   -211,    614}, { -878,  -1057,    -84,    -71},
    { -388,  -1415,   -167,   -318}, { -754,  -1574,    214,   -539},
    {-1419,  -2004,    -92,   -787}, {  -47,   -856,   -347,   -255},
    {   23,  -1211,   -173,    320}, { -658,   -487,   -893,    353},
    { -783,  -1587,   -584,    507}, {-1420,   -859,   -378,    441},
    {-2095,  -1491,   -137,    439}, { -321,  -1450,  -1288,    -12},
    { -359,  -2113,   -553,     -8}, { -831,  -1918,  -1561,     32},
    {-1014,  -2487,  -1359,   -939}, { -475,   -311,   -169,   -236},
    { -907,   -426,    276,   -611}, {  -96,   -400,     50,   -710},
    { -426,  -1022,    -10,   -985}, { -197,   -258,   -744,   -575},
    { -611,   -930,   -771,   -394}, { -267,   -776,   -612,   -939},
    { -256,  -1346,   -802,  -1122}, { -796,  -1570,   -825,   -754},
    {  712,    876,    141,    227}, {  981,   1509,     85,    124},
    { 1462,   1228,    979,    -39}, { 1734,    999,   1481,    440},
    { 2293,   1116,    769,    440}, { 2504,   1480,   1241,    356},
    { 2474,   1909,   1558,    810}, {  917,   1134,    607,   -134},
    {  509,   1809,    781,   -123}, { 1712,   1506,    559,   -423},
    { 2037,   2317,    726,   -155}, { 3031,   2676,   1203,    331},
    { 3664,   3274,   1768,    531}, { 1610,   1839,    867,    183},
    { 1774,   1972,   1538,     97}, { 1822,   2158,   1282,    659},
    { 2222,   2758,   1818,    900}, { 3251,   2124,   1723,    996},
    { 3633,   2336,   2408,   1453}, { 2923,   3517,   2567,   1318},
};

/**
 * Used for the coding/decoding of the pulses positions
 * for the MP-MLQ codebook
 */
static const int32_t combinatorial_table[PULSE_MAX][SUBFRAME_LEN/GRID_SIZE] = {
    {118755, 98280, 80730,  65780, 53130,
      42504, 33649, 26334,  20349, 15504,
      11628,  8568,  6188,   4368,  3003,
       2002,  1287,   792,    462,   252,
        126,    56,    21,      6,     1,
          0,     0,     0,      0,     0},

    { 23751, 20475, 17550,  14950, 12650,
      10626,  8855,  7315,   5985,  4845,
       3876,  3060,  2380,   1820,  1365,
       1001,   715,   495,    330,   210,
        126,    70,    35,     15,     5,
          1,     0,     0,      0,     0},

    {  3654,  3276,  2925,   2600,  2300,
       2024,  1771,  1540,   1330,  1140,
        969,   816,   680,    560,   455,
        364,   286,   220,    165,   120,
         84,    56,    35,     20,    10,
          4,     1,     0,      0,     0},

    {   406,   378,   351,    325,   300,
        276,   253,   231,    210,   190,
        171,   153,   136,    120,   105,
         91,    78,    66,     55,    45,
         36,    28,    21,     15,    10,
          6,     3,     1,      0,     0},

    {    29,    28,    27,     26,    25,
         24,    23,    22,     21,    20,
         19,    18,    17,     16,    15,
         14,    13,    12,     11,    10,
          9,     8,     7,      6,     5,
          4,     3,     2,      1,     0},

    {     1,     1,     1,      1,     1,
          1,     1,     1,      1,     1,
          1,     1,     1,      1,     1,
          1,     1,     1,      1,     1,
          1,     1,     1,      1,     1,
          1,     1,     1,      1,     1},
};

static const int16_t pitch_contrib[340] = {
    60,     0,  0,  2489, 60,     0,  0,  5217,
     1,  6171,  0,  3953,  0, 10364,  1,  9357,
    -1,  8843,  1,  9396,  0,  5794, -1, 10816,
     2, 11606, -2, 12072,  0,  8616,  1, 12170,
     0, 14440,  0,  7787, -1, 13721,  0, 18205,
     0, 14471,  0, 15807,  1, 15275,  0, 13480,
    -1, 18375, -1,     0,  1, 11194, -1, 13010,
     1, 18836, -2, 20354,  1, 16233, -1,     0,
    60,     0,  0, 12130,  0, 13385,  1, 17834,
     1, 20875,  0, 21996,  1,     0,  1, 18277,
    -1, 21321,  1, 13738, -1, 19094, -1, 20387,
    -1,     0,  0, 21008, 60,     0, -2, 22807,
     0, 15900,  1,     0,  0, 17989, -1, 22259,
     1, 24395,  1, 23138,  0, 23948,  1, 22997,
     2, 22604, -1, 25942,  0, 26246,  1, 25321,
     0, 26423,  0, 24061,  0, 27247, 60,     0,
    -1, 25572,  1, 23918,  1, 25930,  2, 26408,
    -1, 19049,  1, 27357, -1, 24538, 60,     0,
    -1, 25093,  0, 28549,  1,     0,  0, 22793,
    -1, 25659,  0, 29377,  0, 30276,  0, 26198,
     1, 22521, -1, 28919,  0, 27384,  1, 30162,
    -1,     0,  0, 24237, -1, 30062,  0, 21763,
     1, 30917, 60,     0,  0, 31284,  0, 29433,
     1, 26821,  1, 28655,  0, 31327,  2, 30799,
     1, 31389,  0, 32322,  1, 31760, -2, 31830,
     0, 26936, -1, 31180,  1, 30875,  0, 27873,
    -1, 30429,  1, 31050,  0,     0,  0, 31912,
     1, 31611,  0, 31565,  0, 25557,  0, 31357,
    60,     0,  1, 29536,  1, 28985, -1, 26984,
    -1, 31587,  2, 30836, -2, 31133,  0, 30243,
    -1, 30742, -1, 32090, 60,     0,  2, 30902,
    60,     0,  0, 30027,  0, 29042, 60,     0,
     0, 31756,  0, 24553,  0, 25636, -2, 30501,
    60,     0, -1, 29617,  0, 30649, 60,     0,
     0, 29274,  2, 30415,  0, 27480,  0, 31213,
    -1, 28147,  0, 30600,  1, 31652,  2, 29068,
    60,     0,  1, 28571,  1, 28730,  1, 31422,
     0, 28257,  0, 24797, 60,     0,  0,     0,
    60,     0,  0, 22105,  0, 27852, 60,     0,
    60,     0, -1, 24214,  0, 24642,  0, 23305,
    60,     0, 60,     0,  1, 22883,  0, 21601,
    60,     0,  2, 25650, 60,     0, -2, 31253,
    -2, 25144,  0, 17998
};

/**
 * Number of non-zero pulses in the MP-MLQ excitation
 */
static const int8_t pulses[4] = {6, 5, 6, 5};

/**
 * Size of the MP-MLQ fixed excitation codebooks
 */
static const int32_t max_pos[4] = {593775, 142506, 593775, 142506};

static const int16_t fixed_cb_gain[GAIN_LEVELS] = {
      1,    2,    3,    4,    6,    9,   13,   18,
     26,   38,   55,   80,  115,  166,  240,  348,
    502,  726, 1050, 1517, 2193, 3170, 4582, 6623,
};

static const int16_t adaptive_cb_gain85[85 * 20] = {
        0,      0,      0,      0,      0,      0,      0,      0,
        0,      0,      0,      0,      0,      0,      0,      0,
        0,      0,      0,      0,    800,   1496,    167,   -256,
     -338,    -39,   -136,     -1,     -4,     -6,    -73,     -8,
      -15,     12,     23,      2,     16,     30,      3,     -5,
     -462,   -686,    493,   2575,    311,    -13,    -28,    -14,
     -404,     -5,    -19,     13,     20,     72,    107,    -77,
        8,     13,     -9,    -48,   1483,    144,    784,    928,
     1243,   -134,     -1,    -37,    -52,    -94,    -13,    -71,
       -6,    -84,     -8,    -44,   -112,    -10,    -59,    -70,
      -77,    275,   3522,   1056,  -1254,      0,     -4,   -757,
      -68,    -95,      1,     16,    -59,      4,    -17,   -227,
       -5,     21,    269,     80,   -125,    -40,   -264,    381,
     5027,      0,      0,     -4,     -8,  -1542,      0,     -2,
        0,      2,      0,      6,     38,     12,     81,   -117,
      138,    332,   2215,   2574,   1339,     -1,     -6,   -299,
     -404,   -109,     -2,    -18,    -44,    -21,    -52,   -348,
      -11,    -27,   -181,   -210,   3685,   2883,   -887,    866,
    -1639,   -828,   -507,    -48,    -45,   -164,   -648,    199,
      156,   -194,   -152,     46,    368,    288,    -88,     86,
     1396,   2146,   2235,    345,    942,   -118,   -281,   -305,
       -7,    -54,   -182,   -190,   -292,    -29,    -45,    -47,
      -80,   -123,   -128,    -19,     13,   4475,   3549,   -804,
     -655,      0,  -1222,   -768,    -39,    -26,     -3,     -2,
     -969,      0,    219,    174,      0,    179,    141,    -32,
     -724,    254,    242,   6049,   2462,    -32,     -3,     -3,
    -2233,   -370,     11,     10,     -3,    267,    -94,    -89,
      108,    -38,    -36,   -909,    626,  -1713,   6121,   4561,
    -1061,    -23,   -179,  -2287,  -1270,    -68,     65,   -233,
      640,   -174,    477,  -1704,     40,   -111,    396,    295,
     -350,   1391,   7985,    511,   -405,     -7,   -118,  -3892,
      -15,    -10,     29,    170,   -678,     10,    -43,   -249,
       -8,     34,    197,     12,   3144,   -529,    608,   2530,
     3878,   -603,    -17,    -22,   -390,   -918,    101,   -116,
       19,   -485,     81,    -93,   -744,    125,   -144,   -599,
     2589,   -689,   3045,   5603,   -404,   -409,    -29,   -566,
    -1916,    -10,    108,   -481,    128,   -885,    235,  -1041,
       63,    -17,     75,    138,   3107,    513,   1374,  -3594,
    -4922,   -589,    -16,   -115,   -788,  -1478,    -97,   -260,
      -43,    681,    112,    301,    933,    154,    413,  -1079,
     2468,   6010,   1107,   -390,   1961,   -372,  -2204,    -74,
       -9,   -234,   -905,   -166,   -406,     58,    143,     26,
     -295,   -719,   -132,     46,   4773,   2766,   2368,   4862,
    -4044,  -1390,   -467,   -342,  -1443,   -998,   -806,   -690,
     -399,  -1416,   -821,   -702,   1178,    682,    584,   1200,
     1665,  -1879,   1443,   1701,   8562,   -169,   -215,   -127,
     -176,  -4475,    190,   -146,    165,   -172,    195,   -149,
     -870,    982,   -754,   -889,   2716,   9011,  -1007,    755,
    -1785,   -450,  -4956,    -61,    -34,   -194,  -1493,    167,
      554,   -125,   -415,     46,    296,    982,   -109,     82,
    -2727,   7548,   1285,    938,   3420,   -453,  -3478,   -100,
      -53,   -714,   1256,    213,   -592,    156,   -432,    -73,
      569,  -1576,   -268,   -196,   3677,    882,   4050,   1202,
     2323,   -825,    -47,  -1001,    -88,   -329,   -198,   -909,
     -218,   -269,    -64,   -297,   -521,   -125,   -574,   -170,
     2046,   -753,    122,  10102,    603,   -255,    -34,      0,
    -6229,    -22,     94,    -15,      5,  -1261,    464,    -75,
      -75,     27,     -4,   -372,    449,  -1815,  10690,   3870,
     -527,    -12,   -201,  -6976,   -914,    -16,     49,   -293,
     1184,   -106,    428,  -2525,     14,    -58,    344,    124,
     -941,   2352,   5049,   3650,   2637,    -54,   -337,  -1556,
     -813,   -424,    135,    290,   -725,    209,   -524,  -1125,
      151,   -378,   -812,   -587,  -1879,    796,   3117,   9569,
     -404,   -215,    -38,   -593,  -5589,     -9,     91,    357,
     -151,   1097,   -464,  -1821,    -46,     19,     76,    236,
    -1715,   2043,  -2096,   9946,   4001,   -179,   -254,   -268,
    -6038,   -977,    213,   -219,    261,   1041,  -1240,   1272,
      418,   -498,    511,  -2429,  -5772,   -618,  -3921,    284,
    -3155,  -2033,    -23,   -938,     -4,   -607,   -218,  -1381,
     -148,    100,     10,     68,  -1111,   -119,   -755,     54,
      382,   4748,   8003,  -2064,   2198,     -8,  -1376,  -3909,
     -260,   -294,   -110,   -186,  -2319,     48,    598,   1008,
      -51,   -637,  -1073,    277,   -867,   3015,  11926,  -1675,
      947,    -45,   -555,  -8681,   -171,    -54,    159,    631,
    -2195,    -88,    308,   1219,     50,   -174,   -690,     96,
    -4933,   -432,   6757,   3771,   1352,  -1485,    -11,  -2786,
     -867,   -111,   -130,   2034,    178,   1135,     99,  -1555,
      407,     35,   -557,   -311,    152,   9726,   4231,  -1928,
     1490,     -1,  -5774,  -1092,   -226,   -135,    -90,    -39,
    -2511,     17,   1144,    498,    -13,   -884,   -384,    175,
     2512,    193,   9033,   5361,  -3148,   -385,     -2,  -4980,
    -1754,   -605,    -29,  -1385,   -106,   -822,    -63,  -2956,
      482,     37,   1735,   1030,   8464,   2844,     12,    549,
     2132,  -4373,   -493,      0,    -18,   -277,  -1469,     -6,
       -2,   -284,    -95,      0,  -1101,   -370,     -1,    -71,
     2141,  -2602,   7166,   9046,  -1350,   -279,   -413,  -3134,
    -4994,   -111,    340,   -936,   1138,  -1182,   1436,  -3957,
      176,   -214,    590,    745,   -244,    278,  13307,   1227,
     -161,     -3,     -4, -10808,    -91,     -1,      4,    198,
     -226,     18,    -20,   -997,     -2,      2,    131,     12,
    -1947,   8217,   6269,    917,  -2559,   -231,  -4121,  -2399,
      -51,   -399,    976,    745,  -3144,    108,   -460,   -350,
     -304,   1283,    979,    143,  -1810,   2061,  -2781,   6056,
    10058,   -200,   -259,   -472,  -2238,  -6174,    227,   -307,
      349,    669,   -761,   1028,   1111,  -1265,   1707,  -3717,
     7827,   9161,  -3409,   2473,  -1510,  -3739,  -5122,   -709,
     -373,   -139,  -4376,   1628,   1906,  -1181,  -1382,    514,
      721,    844,   -314,    228,  -1430,   8313,   9541,  -2955,
     1626,   -124,  -4218,  -5556,   -533,   -161,    725,    832,
    -4841,   -257,   1499,   1721,    142,   -825,   -947,    293,
     2819,  -4247,   5391,   8673,   2756,   -485,  -1101,  -1774,
    -4591,   -463,    730,   -927,   1397,  -1492,   2248,  -2854,
     -474,    714,   -907,  -1459,    141,  14552,    690,    257,
     -112,     -1, -12926,    -29,     -4,      0,   -125,     -5,
     -613,     -2,   -228,    -10,      0,     99,      4,      1,
    11938,  -1859,   1806,   -962,   -884,  -8699,   -211,   -199,
      -56,    -47,   1355,  -1316,    205,    701,   -109,    106,
      644,   -100,     97,    -51,   3728,   1982,   2264,   4584,
     3131,   -848,   -239,   -312,  -1282,   -598,   -451,   -515,
     -273,  -1043,   -554,   -633,   -712,   -378,   -432,   -876,
    -1181,    766,    720,  14303,   -216,    -85,    -35,    -31,
   -12486,     -2,     55,     51,    -33,   1031,   -668,   -628,
      -15,     10,      9,    189,  -4385,   4826,  10112,   1569,
     3388,  -1173,  -1421,  -6242,   -150,   -700,   1291,   2706,
    -2979,    420,   -462,   -969,    906,   -998,  -2091,   -324,
     -448,   1932,  15591,  -1842,    657,    -12,   -227, -14837,
     -207,    -26,     52,    427,  -1838,    -50,    217,   1753,
       18,    -77,   -626,     74,  -4141,   1844,   3962,   5517,
     6220,  -1046,   -207,   -958,  -1858,  -2361,    466,   1001,
     -446,   1394,   -621,  -1334,   1572,   -700,  -1504,  -2094,
      729,  -2299,  14755,   3657,   -952,    -32,   -322, -13288,
     -816,    -55,    102,   -656,   2071,   -162,    513,  -3294,
       42,   -133,    857,    212,  -1385,   5801,  13339,  -3137,
     1344,   -117,  -2054, -10861,   -600,   -110,    490,   1127,
    -4723,   -265,   1111,   2554,    113,   -476,  -1094,    257,
     4710,   9661,   1073,  -2467,   3274,  -1354,  -5697,    -70,
     -371,   -654,  -2777,   -308,   -633,    709,   1455,    161,
     -941,  -1930,   -214,    493,   1843,  -3624,  12422,   6898,
    -1559,   -207,   -802,  -9419,  -2904,   -148,    407,  -1397,
     2748,   -775,   1526,  -5230,    175,   -344,   1182,    656,
     1433,   2394,   2507,   1380,   8780,   -125,   -349,   -383,
     -116,  -4705,   -209,   -219,   -366,   -120,   -201,   -211,
     -768,  -1283,  -1343,   -740,  -1712,  12915,   5883,  -2197,
      991,   -179, -10181,  -2112,   -294,    -60,   1350,    615,
    -4638,   -229,   1732,    789,    103,   -781,   -356,    133,
    15072,   2158,  -1245,    910,   -496, -13865,   -284,    -94,
      -50,    -15,  -1986,   1145,    164,   -837,   -119,     69,
      456,     65,    -37,     27,   4655,   7319,   4916,    586,
    -3381,  -1322,  -3270,  -1475,    -20,   -697,  -2079,  -1396,
    -2196,   -166,   -261,   -175,    960,   1510,   1014,    120,
     1191,  -2140,   5120,  13498,  -1418,    -86,   -279,  -1600,
   -11121,   -122,    155,   -372,    669,   -981,   1763,  -4218,
      103,   -185,    443,   1168,  -1530,   -817,   8191,   9632,
    -1452,   -143,    -40,  -4095,  -5663,   -128,    -76,    765,
      408,    900,    480,  -4815,   -135,    -72,    726,    854,
    -3236,    607,   1696,  -2106,  11485,   -639,    -22,   -175,
     -270,  -8051,    119,    335,    -62,   -416,     78,    218,
     2268,   -425,  -1189,   1476,   3203,  -1903,   -837,   9679,
     7057,   -626,   -221,    -42,  -5718,  -3039,    372,    163,
      -97,  -1892,   1124,    494,  -1380,    819,    360,  -4169,
      213,   -655,  17015,    620,   -384,     -2,    -26, -17671,
      -23,     -9,      8,   -221,    681,     -8,     24,   -644,
        5,    -15,    399,     14,   5088,     35,  -3339,   3726,
     8488,  -1580,      0,   -680,   -847,  -4397,    -10,   1037,
        7,  -1157,     -8,    759,  -2636,    -18,   1730,  -1930,
     -988,   1454,  -2688,  15039,   2682,    -59,   -129,   -441,
   -13805,   -439,     87,   -162,    238,    907,  -1335,   2467,
      161,   -238,    440,  -2462,  -4865,  -2842,    -53,   5495,
     6523,  -1445,   -493,      0,  -1843,  -2597,   -844,    -16,
       -9,   1632,    953,     18,   1937,   1131,     21,  -2188,
     3076,  15069,  -2914,   1810,   -971,   -577, -13860,   -518,
     -200,    -57,  -2829,    547,   2680,   -339,  -1665,    322,
      182,    893,   -172,    107,   1311,   5355,  11054,   2299,
    -3654,   -105,  -1750,  -7458,   -322,   -814,   -428,   -885,
    -3613,   -184,   -751,  -1551,    292,   1194,   2465,    512,
     4035,   5619,   4618,   1815,   1912,   -994,  -1927,  -1301,
     -201,   -223,  -1384,  -1137,  -1583,   -447,   -622,   -511,
     -471,   -656,   -539,   -211,  -2131,   2754,  -4501,  12879,
     7432,   -277,   -463,  -1236, -10124,  -3371,    358,   -585,
      756,   1675,  -2165,   3538,    967,  -1249,   2042,  -5842,
     5618,   -515,   3219,  -4149,   4857,  -1926,    -16,   -632,
    -1050,  -1440,    176,  -1104,    101,   1422,   -130,    815,
    -1666,    152,   -954,   1230,   1838,  -1709,   1139,  16867,
      716,   -206,   -178,    -79, -17366,    -31,    191,   -127,
      118,  -1892,   1759,  -1173,    -80,     74,    -49,   -737,
     1978,  -3845,  10050,  11854,  -2492,   -238,   -902,  -6164,
    -8576,   -379,    464,  -1213,   2358,  -1431,   2782,  -7271,
      301,   -585,   1529,   1803,  -2600,  11246,  11289,  -3647,
     1463,   -412,  -7720,  -7778,   -812,   -130,   1784,   1791,
    -7749,   -578,   2504,   2513,    232,  -1004,  -1008,    325,
     3442,    907,   2725,   8970,   3638,   -723,    -50,   -453,
    -4911,   -808,   -190,   -572,   -150,  -1884,   -496,  -1492,
     -764,   -201,   -605,  -1992,   -126,  17498,   3481,  -2003,
     1090,      0, -18689,   -739,   -244,    -72,    135,     26,
    -3717,    -15,   2139,    425,      8,  -1165,   -231,    133,
    -1814,   1048,  -2164,   4070,  16272,   -200,    -67,   -285,
    -1011, -16160,    116,   -239,    138,    450,   -260,    537,
     1801,  -1041,   2149,  -4042,   9354,  12580,  -1883,    962,
     -617,  -5341,  -9660,   -216,    -56,    -23,  -7183,   1075,
     1446,   -549,   -738,    110,    352,    474,    -71,     36,
     1708,   4199,   7387,   6335,   1003,   -178,  -1076,  -3330,
    -2449,    -61,   -437,   -770,  -1893,   -660,  -1623,  -2856,
     -104,   -257,   -452,   -388,  -2624,   5623,  17310,  -2353,
      592,   -420,  -1930, -18288,   -338,    -21,    900,   2772,
    -5941,   -376,    807,   2486,     94,   -203,   -625,     85,
     1211,   -850,   1193,  -1926,  15992,    -89,    -44,    -86,
     -226, -15609,     62,    -88,     61,    142,   -100,    140,
    -1182,    830,  -1165,   1880,   3983,  -2054,  11506,    -19,
     3622,   -968,   -257,  -8080,      0,   -801,    499,  -2797,
     1442,      4,     -2,     13,   -880,    454,  -2544,      4,
     -786,  -1354,  16092,   7246,  -1665,    -37,   -111, -15805,
    -3205,   -169,    -65,    772,   1330,    348,    599,  -7117,
      -80,   -137,   1636,    736,  -4316,   -511,   6674,  11665,
     4633,  -1137,    -15,  -2719,  -8305,  -1310,   -134,   1758,
      208,   3073,    364,  -4752,   1220,    144,  -1887,  -3299,
     7912,   4557,   1937,   1885,   7037,  -3821,  -1267,   -229,
     -216,  -3022,  -2200,   -935,   -538,   -910,   -524,   -222,
    -3398,  -1957,   -832,   -809,   3434,   2967,   5867,   8196,
     8766,   -720,   -537,  -2101,  -4100,  -4690,   -622,  -1230,
    -1062,  -1718,  -1484,  -2935,  -1837,  -1588,  -3139,  -4385,
     5881,   9176,   8119,   3934,   3355,  -2111,  -5139,  -4023,
     -944,   -687,  -3294,  -2914,  -4547,  -1412,  -2203,  -1949,
    -1204,  -1879,  -1662,   -805
};

static const int16_t adaptive_cb_gain170[170 * 20] = {
        0,      0,      0,      0,      0,      0,      0,      0,
        0,      0,      0,      0,      0,      0,      0,      0,
        0,      0,      0,      0,    776,    212,    715,    670,
      809,    -36,     -2,    -31,    -27,    -39,    -10,    -33,
       -9,    -31,     -8,    -29,    -38,    -10,    -35,    -33,
     1296,   1316,   -168,   -320,   -815,   -102,   -105,     -1,
       -6,    -40,   -104,     13,     13,     25,     25,     -3,
       64,     65,     -8,    -15,   -589,    680,   2478,    308,
     -596,    -21,    -28,   -375,     -5,    -21,     24,     89,
     -102,     11,    -12,    -46,    -21,     24,     90,     11,
     -735,   -487,     -5,   2948,    468,    -33,    -14,      0,
     -530,    -13,    -21,      0,      0,    132,     87,      0,
       21,     13,      0,    -84,   1042,   1730,   1068,    333,
      626,    -66,   -182,    -69,     -6,    -23,   -110,    -67,
     -112,    -21,    -35,    -21,    -39,    -66,    -40,    -12,
      486,   -769,   4074,   2825,  -1107,    -14,    -36,  -1013,
     -487,    -74,     22,   -120,    191,    -83,    132,   -702,
       32,    -52,    275,    191,   1521,   -767,   -124,   4320,
     1026,   -141,    -35,      0,  -1139,    -64,     71,     11,
       -5,   -401,    202,     32,    -95,     48,      7,   -270,
     2425,   1267,   3439,    -91,  -1166,   -359,    -98,   -722,
        0,    -83,   -187,   -509,   -266,     13,      7,     19,
      172,     90,    244,     -6,  -1251,    975,    173,   4039,
     2005,    -95,    -58,     -1,   -996,   -245,     74,     13,
      -10,    308,   -240,    -42,    153,   -119,    -21,   -494,
     1820,    632,   1322,   2062,   1031,   -202,    -24,   -106,
     -259,    -64,    -70,   -146,    -51,   -229,    -79,   -166,
     -114,    -39,    -83,   -129,   -447,   4904,    244,   -315,
    -2038,    -12,  -1467,     -3,     -6,   -253,    134,      6,
      -73,     -8,     94,      4,    -55,    610,     30,    -39,
     -208,  -1102,    463,   -448,   5653,     -2,    -74,    -13,
      -12,  -1950,    -14,      5,     31,     -5,    -30,     12,
       71,    380,   -159,    154,   4739,   2600,  -1864,    856,
    -1554,  -1371,   -412,   -212,    -44,   -147,   -752,    539,
      295,   -247,   -135,     97,    449,    246,   -176,     81,
     1894,   3533,     35,    -26,   2145,   -219,   -762,      0,
        0,   -280,   -408,     -4,     -7,      3,      5,      0,
     -248,   -462,     -4,      3,  -2699,   1841,   4072,   2443,
     1582,   -444,   -207,  -1012,   -364,   -152,    303,    670,
     -457,    402,   -274,   -607,    260,   -177,   -393,   -236,
     -844,   3358,   6106,  -1059,   -537,    -43,   -688,  -2275,
      -68,    -17,    173,    314,  -1251,    -54,    217,    395,
      -27,    110,    200,    -34,   1251,   1016,   3020,   2210,
     1445,    -95,    -63,   -556,   -298,   -127,    -77,   -230,
     -187,   -168,   -137,   -407,   -110,    -89,   -266,   -194,
     2099,   2277,   4038,   3533,  -2870,   -269,   -316,   -995,
     -762,   -503,   -291,   -517,   -561,   -452,   -491,   -871,
      367,    399,    707,    619,    400,  -1114,   8516,   2422,
    -1117,     -9,    -75,  -4426,   -358,    -76,     27,   -208,
      579,    -59,    164,  -1259,     27,    -75,    580,    165,
    -4398,  -2011,   3912,  -2407,   2258,  -1180,   -247,   -934,
     -353,   -311,   -540,   1050,    480,   -646,   -295,    575,
      606,    277,   -539,    331,   1767,  -1447,   4240,   6160,
     -757,   -190,   -127,  -1097,  -2316,    -35,    156,   -457,
      374,   -664,    544,  -1594,     81,    -66,    195,    284,
     1594,  -1463,   1035,   6938,   1920,   -155,   -130,    -65,
    -2938,   -225,    142,   -100,     92,   -675,    619,   -438,
     -186,    171,   -121,   -813,   -562,   4716,   4085,   -591,
     2421,    -19,  -1357,  -1018,    -21,   -357,    162,    140,
    -1175,    -20,    170,    147,     83,   -696,   -603,     87,
     1552,   8778,   -935,    354,  -1424,   -147,  -4703,    -53,
       -7,   -123,   -831,     88,    501,    -33,   -189,     20,
      134,    763,    -81,     30,   4831,  -4431,     41,  -1479,
    -2976,  -1424,  -1198,      0,   -133,   -540,   1306,    -12,
       11,    436,   -400,      3,    877,   -804,      7,   -268,
     2090,   1192,   1006,   1645,   4853,   -266,    -86,    -61,
     -165,  -1437,   -152,   -128,    -73,   -210,   -119,   -101,
     -619,   -353,   -298,   -487,   2386,   5712,   1426,    -94,
     1350,   -347,  -1991,   -124,      0,   -111,   -832,   -207,
     -497,     13,     32,      8,   -196,   -470,   -117,      7,
    -1349,   1091,   1659,   8891,    313,   -111,    -72,   -168,
    -4825,     -5,     89,    136,   -110,    732,   -592,   -900,
       25,    -20,    -31,   -170,   9980,    916,   -381,   -808,
       88,  -6080,    -51,     -8,    -39,      0,   -558,    232,
       21,    492,     45,    -18,    -53,     -4,      2,      4,
     2338,  -1031,   -248,   3928,   6484,   -333,    -64,     -3,
     -942,  -2566,    147,     35,    -15,   -560,    247,     59,
     -925,    408,     98,  -1555,   6166,  -1240,   -337,   3672,
    -1277,  -2320,    -93,     -6,   -823,    -99,    466,    126,
      -25,  -1382,    278,     75,    480,    -96,    -26,    286,
     4377,   -132,  -2588,   1701,   4865,  -1169,     -1,   -409,
     -176,  -1444,     35,    691,    -20,   -454,     13,    268,
    -1299,     39,    768,   -505,   2594,   3295,   3944,   1481,
      682,   -410,   -662,   -949,   -133,    -28,   -521,   -624,
     -793,   -234,   -297,   -356,   -108,   -137,   -164,    -61,
     4151,    624,    815,   4485,   2229,  -1052,    -23,    -40,
    -1228,   -303,   -158,   -206,    -31,  -1136,   -170,   -223,
     -565,    -84,   -111,   -610,  -3575,   -361,   4924,   2791,
     4698,   -780,     -7,  -1480,   -475,  -1347,    -78,   1074,
      108,    609,     61,   -839,   1025,    103,  -1412,   -800,
    -2518,   3791,   8623,    315,   2465,   -387,   -877,  -4538,
       -6,   -370,    582,   1325,  -1995,     48,    -73,   -166,
      378,   -570,  -1297,    -47,   -691,   2989,   9957,   -421,
    -1142,    -29,   -545,  -6051,    -10,    -79,    126,    420,
    -1817,    -17,     76,    256,    -48,    208,    694,    -29,
    -1918,    104,  -3190,  -3410,  -4440,   -224,      0,   -621,
     -709,  -1203,     12,   -373,     20,   -399,     21,   -664,
     -519,     28,   -864,   -924,  -3359,  -1668,   1854,   6939,
     1430,   -688,   -169,   -209,  -2939,   -124,   -341,    380,
      188,   1422,    706,   -785,    293,    145,   -161,   -606,
       42,   9706,   3164,   -952,    907,      0,  -5750,   -611,
      -55,    -50,    -25,     -8,  -1874,      2,    564,    183,
       -2,   -537,   -175,     52,   1607,    785,   2862,   4327,
     3307,   -157,    -37,   -500,  -1143,   -667,    -77,   -280,
     -137,   -424,   -207,   -756,   -324,   -158,   -577,   -873,
     6801,   3416,   2227,   1682,  -3217,  -2823,   -712,   -302,
     -172,   -631,  -1418,   -924,   -464,   -698,   -350,   -228,
     1335,    670,    437,    330,   3459,   3898,    364,   7841,
    -2640,   -730,   -927,     -8,  -3753,   -425,   -823,    -76,
      -86,  -1655,  -1865,   -174,    557,    628,     58,   1263,
    -5902,  -3458,  -2465,  -1886,   4334,  -2126,   -730,   -371,
     -217,  -1146,  -1245,   -888,   -520,   -679,   -398,   -283,
     1561,    915,    652,    499,  -3710,   1133,   7849,   3443,
     -215,   -840,    -78,  -3760,   -723,     -2,    256,   1777,
     -543,    779,   -238,  -1649,    -48,     14,    103,     45,
     4132,   2828,      2,  -4212,  -4116,  -1042,   -488,      0,
    -1083,  -1034,   -713,      0,      0,   1062,    727,      0,
     1038,    710,      0,  -1058,   5875,   8496,  -1796,   1376,
    -1786,  -2107,  -4406,   -197,   -115,   -194,  -3047,    644,
      931,   -493,   -713,    150,    640,    926,   -195,    150,
     3143,   3483,   3546,   -793,   4489,   -603,   -740,   -767,
      -38,  -1230,   -668,   -680,   -754,    152,    168,    171,
     -861,   -954,   -971,    217,   2845,   7965,   3695,  -5432,
     3978,   -494,  -3873,   -833,  -1801,   -966,  -1383,   -641,
    -1796,    943,   2641,   1225,   -691,  -1934,   -897,   1319,
     1538,    150,   7139,   2049,   3097,   -144,     -1,  -3110,
     -256,   -585,    -14,   -670,    -65,   -192,    -18,   -892,
     -290,    -28,  -1349,   -387,    618,   7520,   4729,   -238,
    -3373,    -23,  -3452,  -1365,     -3,   -694,   -283,   -178,
    -2170,      8,    109,     68,    127,   1548,    973,    -49,
     2965,  -3013,   7912,   7076,  -1997,   -536,   -554,  -3821,
    -3056,   -243,    545,  -1431,   1455,  -1280,   1301,  -3417,
      361,   -367,    964,    862,   2443,   -929,  -1113,   9677,
     4138,   -364,    -52,    -75,  -5716,  -1045,    138,    166,
      -63,  -1443,    549,    657,   -617,    234,    281,  -2444,
     1966,   3309,  10085,  -3399,   2105,   -236,   -668,  -6207,
     -705,   -270,   -397,  -1210,  -2037,    408,    686,   2092,
     -252,   -425,  -1295,    436,   -112,  -1368,   8868,   4822,
     2048,      0,   -114,  -4800,  -1419,   -256,     -9,     61,
      740,     33,    402,  -2610,     14,    171,  -1108,   -602,
    -2597,    438,  -1839,   6229,   7266,   -411,    -11,   -206,
    -2368,  -3223,     69,   -291,     49,    987,   -166,    699,
     1152,   -194,    816,  -2763,   3454,    553,   9127,   4946,
    -5596,   -728,    -18,  -5084,  -1493,  -1911,   -116,  -1924,
     -308,  -1042,   -166,  -2755,   1179,    188,   3117,   1689,
     -532,   -663,  12262,   2495,  -1004,    -17,    -26,  -9177,
     -380,    -61,    -21,    398,    496,     81,    101,  -1867,
      -32,    -40,    751,    152,  -2100,   1317,  -1509,  11425,
     2997,   -269,   -105,   -139,  -7967,   -548,    168,   -193,
      121,   1464,   -918,   1052,    384,   -240,    276,  -2090,
     1193,  -2697,  11259,   5373,   -763,    -86,   -444,  -7737,
    -1762,    -35,    196,   -819,   1853,   -391,    884,  -3692,
       55,   -125,    525,    250,   2405,   -471,  11079,    203,
      782,   -353,    -13,  -7491,     -2,    -37,     69,  -1626,
      318,    -29,      5,   -137,   -114,     22,   -529,     -9,
    -1871,   5685,  11290,  -2662,   1353,   -213,  -1972,  -7780,
     -432,   -111,    649,   1289,  -3917,   -304,    923,   1834,
      154,   -469,   -932,    220,  -3768,   5927,  -3093,   5041,
     5212,   -866,  -2144,   -584,  -1551,  -1658,   1363,   -711,
     1119,   1159,  -1824,    951,   1198,  -1885,    984,  -1603,
    -2546,   9502,   5969,  -2440,   1928,   -395,  -5511,  -2175,
     -363,   -226,   1477,    927,  -3462,   -379,   1415,    889,
      299,  -1118,   -702,    287,  -4963,   3568,   4592,   5508,
     3451,  -1503,   -777,  -1287,  -1851,   -727,   1080,   1391,
    -1000,   1668,  -1199,  -1543,   1045,   -751,   -967,  -1160,
     1745,  -2586,   3983,  10899,  -1551,   -186,   -408,   -968,
    -7250,   -146,    275,   -424,    628,  -1161,   1720,  -2649,
      165,   -244,    377,   1032,    867,   -456,   -727,   3369,
    11822,    -45,    -12,    -32,   -692,  -8531,     24,     38,
      -20,   -178,     93,    149,   -625,    329,    525,  -2431,
     7535,   2422,   1926,   1405,   1599,  -3466,   -358,   -226,
     -120,   -156,  -1114,   -886,   -284,   -646,   -207,   -165,
     -735,   -236,   -188,   -137,   1041,   -735,   -142,  13209,
     1515,    -66,    -33,     -1, -10649,   -140,     46,      9,
       -6,   -839,    593,    114,    -96,     68,     13,  -1222,
     7950,   6745,  -1444,  -1008,   2721,  -3857,  -2777,   -127,
      -62,   -452,  -3273,    700,    594,    489,    415,    -88,
    -1320,  -1120,    239,    167,  -4754,  -1379,   4522,   -578,
    -5733,  -1379,   -116,  -1248,    -20,  -2006,   -400,   1312,
      380,   -167,    -48,    159,  -1663,   -482,   1582,   -202,
     3220,   5978,   5923,   2430,  -2689,   -633,  -2181,  -2141,
     -360,   -441,  -1175,  -1164,  -2161,   -477,   -886,   -878,
      528,    981,    972,    398,    377,   1312,  13978,  -1470,
      677,     -8,   -105, -11925,   -132,    -28,    -30,   -321,
    -1119,     33,    117,   1254,    -15,    -54,   -577,     60,
    -3435,   6770,    314,   -885,   5686,   -720,  -2797,     -6,
      -47,  -1973,   1419,     65,   -129,   -185,    366,     16,
     1192,  -2349,   -109,    307,   3171,   8774,  -2260,   2679,
     3069,   -613,  -4699,   -312,   -438,   -575,  -1698,    437,
     1210,   -518,  -1435,    369,   -594,  -1643,    423,   -501,
     5557,   1509,   5407,   -125,  -7386,  -1884,   -139,  -1784,
        0,  -3330,   -511,  -1834,   -498,     42,     11,     41,
     2505,    680,   2438,    -56,  -2838,   2595,  13228,    271,
     1793,   -491,   -411, -10680,     -4,   -196,    449,   2291,
    -2095,     47,    -42,   -219,    310,   -284,  -1447,    -29,
      664,   -278,  14966,    951,   -711,    -26,     -4, -13672,
      -55,    -30,     11,   -606,    253,    -38,     16,   -869,
       28,    -12,    650,     41,    808,   1770,   8658,   5863,
    -1486,    -39,   -191,  -4576,  -2098,   -134,    -87,   -427,
     -935,   -289,   -633,  -3098,     73,    160,    785,    531,
     3063,   1539,   2000,   -542,   9576,   -572,   -144,   -244,
      -17,  -5597,   -287,   -374,   -188,    101,     51,     66,
    -1790,   -900,  -1169,    317,    514,  14083,   -323,    896,
     -891,    -16, -12106,     -6,    -49,    -48,   -442,     10,
      277,    -28,   -770,     17,     27,    766,    -17,     48,
      892,    158,   5237,  11057,  -1603,    -48,     -1,  -1674,
    -7462,   -156,     -8,   -285,    -50,   -602,   -106,  -3534,
       87,     15,    512,   1082,  -1612,   2564,  -4296,  12526,
     5710,   -158,   -401,  -1126,  -9576,  -1990,    252,   -422,
      672,   1232,  -1960,   3284,    561,   -893,   1497,  -4365,
     4889,  -6878,    612,   6109,   4753,  -1459,  -2887,    -22,
    -2277,  -1379,   2052,   -182,    257,  -1823,   2564,   -228,
    -1418,   1995,   -177,  -1772,   3053,   -506,   2403,   9625,
     1322,   -569,    -15,   -352,  -5655,   -106,     94,   -448,
       74,  -1794,    297,  -1412,   -246,     40,   -194,   -777,
     -754,  12904,   4480,  -2113,   1471,    -34, -10163,  -1225,
     -272,   -132,    594,    206,  -3529,    -97,   1664,    577,
       67,  -1159,   -402,    189,   4255,   1476,   5055,   2393,
     2912,  -1105,   -132,  -1559,   -349,   -517,   -383,  -1313,
     -455,   -621,   -215,   -738,   -756,   -262,   -898,   -425,
    -1371,    535,   1417,  14604,   -997,   -114,    -17,   -122,
   -13017,    -60,     44,    118,    -46,   1222,   -477,  -1263,
      -83,     32,     86,    888,   5368,  -1744,   4083,  -1236,
     3753,  -1758,   -185,  -1017,    -93,   -860,    571,  -1338,
      434,    405,   -131,    308,  -1229,    399,   -935,    283,
     1588,  -3097,  14415,   3699,  -1171,   -154,   -585, -12683,
     -835,    -83,    300,  -1397,   2725,   -358,    699,  -3255,
      113,   -221,   1030,    264,    212,   7989,   9471,  -3344,
     2009,     -2,  -3895,  -5475,   -682,   -246,   -103,   -123,
    -4618,     43,   1630,   1933,    -26,   -979,  -1161,    410,
      856,   2294,   -627,   6930,   6929,    -44,   -321,    -24,
    -2931,  -2930,   -119,     32,     87,   -362,   -970,    265,
     -362,   -970,    265,  -2931,   2357,  -4187,   7162,   7683,
     3371,   -339,  -1070,  -3131,  -3603,   -693,    602,  -1030,
     1830,  -1105,   1963,  -3359,   -485,    861,  -1474,  -1581,
      350,   4585,  14053,  -3819,   1218,     -7,  -1283, -12054,
     -890,    -90,    -97,   -300,  -3933,     81,   1068,   3275,
      -26,   -341,  -1045,    284,  -3248,   3531,    475,   2137,
    11711,   -644,   -761,    -13,   -278,  -8372,    700,     94,
     -102,    423,   -460,    -62,   2322,  -2524,   -340,  -1528,
    -3017,   3852,   1725,   8440,   5257,   -555,   -905,   -181,
    -4348,  -1686,    709,    317,   -405,   1554,  -1984,   -889,
      968,  -1236,   -553,  -2708,   -909,   3196,  15512,  -2528,
     1066,    -50,   -623, -14686,   -390,    -69,    177,    861,
    -3026,   -140,    493,   2393,     59,   -208,  -1009,    164,
      959,  -3370,   9617,   9545,  -1761,    -56,   -693,  -5645,
    -5561,   -189,    197,   -563,   1978,   -558,   1963,  -5603,
      103,   -362,   1034,   1026,   7575,  11796,  -4845,   3252,
    -1703,  -3502,  -8493,  -1433,   -645,   -177,  -5454,   2240,
     3488,  -1503,  -2341,    961,    787,   1226,   -503,    338,
     6409,   1722,   1764,  -4191,   6015,  -2507,   -181,   -189,
    -1072,  -2208,   -673,   -690,   -185,   1639,    440,    451,
    -2353,   -632,   -647,   1538,  -2420,  12161,   5038,   1286,
    -2098,   -357,  -9027,  -1549,   -100,   -268,   1796,    744,
    -3740,    190,   -954,   -395,   -310,   1557,    645,    164,
    -2232,  -1341,   7246,   9470,  -1977,   -304,   -109,  -3204,
    -5474,   -238,   -182,    987,    593,   1290,    775,  -4188,
     -269,   -161,    874,   1143,   1030,   7034,   4231,   1551,
     3077,    -64,  -3019,  -1093,   -146,   -577,   -442,   -266,
    -1816,    -97,   -666,   -400,   -193,  -1321,   -794,   -291,
     5121,  11835,   -477,  -1749,   2298,  -1601,  -8549,    -13,
     -186,   -322,  -3699,    149,    344,    546,   1264,    -50,
     -718,  -1660,     66,    245,  -3328,   3827,   5921,   9976,
    -1045,   -676,   -894,  -2140,  -6075,    -66,    777,   1203,
    -1383,   2027,  -2330,  -3605,   -212,    244,    377,    636,
     3813,   5718,  -4666,  -3412,   5674,   -887,  -1995,  -1329,
     -710,  -1965,  -1331,   1086,   1628,    794,   1191,   -972,
    -1320,  -1980,   1616,   1181,   1348,  -3672,  13154,   6938,
    -1690,   -110,   -823, -10561,  -2938,   -174,    302,  -1082,
     2948,   -570,   1555,  -5570,    139,   -379,   1357,    716,
     2151,  -3586,   6949,  12131,  -1224,   -282,   -785,  -2947,
    -8982,    -91,    470,   -912,   1521,  -1592,   2655,  -5145,
      160,   -268,    519,    906,  -2889,   9647,  10276,  -2728,
      995,   -509,  -5680,  -6445,   -454,    -60,   1701,   1812,
    -6051,   -481,   1606,   1711,    175,   -586,   -624,    165,
     6177,   2184,    555,   1985,   6589,  -2329,   -291,    -18,
     -240,  -2650,   -823,   -209,    -74,   -748,   -264,    -67,
    -2484,   -878,   -223,   -798,   -492,    391,  17166,   -681,
      240,    -14,     -9, -17987,    -28,     -3,     11,    515,
     -410,    -20,     16,    713,      7,     -5,   -252,     10,
    12628,   5448,  -2630,   3011,  -2695,  -9733,  -1811,   -422,
     -553,   -443,  -4199,   2027,    874,  -2321,  -1001,    483,
     2077,    896,   -432,    495,  -3628,   -534,   3447,   7002,
     6751,   -803,    -17,   -725,  -2992,  -2782,   -118,    763,
      112,   1550,    228,  -1473,   1495,    220,  -1420,  -2885,
    -5239,   5901,   8107,   3650,   4846,  -1675,  -2125,  -4012,
     -813,  -1433,   1887,   2592,  -2920,   1167,  -1315,  -1806,
     1550,  -1745,  -2398,  -1080,   6157,   6678,   4099,  -1074,
     2348,  -2314,  -2722,  -1025,    -70,   -336,  -2509,  -1540,
    -1670,    403,    437,    268,   -882,   -957,   -587,    153,
     1079,  16099,    242,   -881,   1690,    -71, -15820,     -3,
      -47,   -174,  -1060,    -16,   -238,     58,    865,     13,
     -111,  -1661,    -25,     90,   -278,    227,  -1039,   1636,
    16945,     -4,     -3,    -65,   -163, -17526,      3,    -17,
       14,     27,    -22,    103,    287,   -234,   1074,  -1693,
    15778,  -1454,    574,   -603,   -107, -15195,   -129,    -20,
      -22,      0,   1400,   -553,     51,    581,    -53,     21,
      103,     -9,      3,     -3,   2406,   -836,  13224,   7993,
    -4266,   -353,    -42, -10673,  -3899,  -1111,    122,  -1942,
      674,  -1174,    407,  -6451,    626,   -217,   3443,   2081,
     3184,  14368,  -3336,   2255,  -1801,   -619, -12600,   -679,
     -310,   -198,  -2793,    648,   2926,   -438,  -1977,    459,
      350,   1580,   -366,    247,  -1698,  17076,   2504,   -539,
     -646,   -176, -17798,   -382,    -17,    -25,   1770,    259,
    -2610,    -55,    561,     82,    -67,    673,     98,    -21,
     2375,   -797,  -2696,  14483,   5383,   -344,    -38,   -443,
   -12803,  -1769,    115,    391,   -131,  -2100,    705,   2384,
     -780,    262,    886,  -4759,  -2691,   2554,  -4520,   9573,
    10655,   -442,   -398,  -1247,  -5594,  -6930,    419,   -742,
      704,   1572,  -1492,   2641,   1750,  -1661,   2939,  -6226,
    -4332,  -4399,  -1657,   4880,   7375,  -1145,  -1181,   -167,
    -1453,  -3319,  -1163,   -438,   -444,   1290,   1310,    493,
     1950,   1980,    745,  -2196,  -3498,   7405,   9955,   2693,
    -2971,   -746,  -3347,  -6049,   -442,   -538,   1581,   2125,
    -4499,    575,  -1217,  -1636,   -634,   1342,   1805,    488,
     6717,  -3792,   7739,   2798,   3489,  -2754,   -877,  -3655,
     -477,   -743,   1554,  -3173,   1791,  -1147,    647,  -1321,
    -1430,    807,  -1648,   -595,   5263,   9770,   3463,   1069,
    -3971,  -1690,  -5826,   -732,    -69,   -962,  -3138,  -1112,
    -2065,   -343,   -637,   -226,   1275,   2368,    839,    259,
     1243,  -2634,  16772,   1871,    332,    -94,   -423, -17169,
     -213,     -6,    199,  -1273,   2696,   -142,    300,  -1915,
      -25,     53,   -339,    -37,   2691,   2836,   3105,   5711,
     4817,   -442,   -491,   -588,  -1991,  -1416,   -465,   -510,
     -537,   -938,   -988,  -1082,   -791,   -834,   -913,  -1679,
     4366,   2944,   7210,   3627,   1161,  -1163,   -529,  -3172,
     -803,    -82,   -784,  -1921,  -1295,   -966,   -651,  -1596,
     -309,   -208,   -511,   -257,  13888,   3951,   -671,  -2305,
     3354, -11773,   -953,    -27,   -324,   -686,  -3349,    569,
      161,   1954,    556,    -94,  -2843,   -809,    137,    472,
     7053,   5847,   2929,   8378,  -4794,  -3036,  -2086,   -523,
    -4284,  -1403,  -2517,  -1261,  -1045,  -3607,  -2990,  -1498,
     2064,   1711,    857,   2451,  -2191,  12838,   9182,  -3915,
     1617,   -293, -10059,  -5146,   -935,   -159,   1717,   1228,
    -7195,   -523,   3068,   2194,    216,  -1267,   -906,    386,
    -4881,  13114,   5767,   -435,   4155,  -1454, -10498,  -2030,
      -11,  -1054,   3907,   1718,  -4616,   -129,    348,    153,
     1238,  -3326,  -1462,    110,   7843,  -1250,    210,   7106,
    -5203,  -3754,    -95,     -2,  -3082,  -1652,    598,   -100,
       16,  -3402,    542,    -91,   2491,   -397,     66,   2257,
    -2463,   8168,  14551,  -3908,   1828,   -370,  -4072, -12923,
     -932,   -204,   1228,   2188,  -7254,   -587,   1948,   3471,
      274,   -911,  -1623,    436,  -1579,    347,   -272,  -2735,
    16031,   -152,     -7,     -4,   -456, -15686,     33,    -26,
        5,   -263,     58,    -45,   1545,   -340,    266,   2676,
    -6327,   1328,   5093,  -5079,   7617,  -2443,   -107,  -1583,
    -1574,  -3541,    513,   1967,   -413,  -1961,    411,   1578,
     2941,   -617,  -2367,   2361,   3286,  -4509,  11306,  11025,
    -2623,   -659,  -1241,  -7802,  -7419,   -420,    904,  -2267,
     3112,  -2211,   3034,  -7608,    526,   -722,   1810,   1765,
     5567,  17853,  -3754,   1166,   -519,  -1892, -19455,   -860,
      -83,    -16,  -6067,   1275,   4090,   -396,  -1271,    267,
      176,    566,   -119,     37,  -2136,   -424,  15292,   5108,
    -1648,   -278,    -10, -14273,  -1593,   -165,    -55,   1993,
      396,    666,    132,  -4768,   -214,    -42,   1538,    514,
     2267,  -3297,   2549,  16563,   -791,   -313,   -663,   -396,
   -16745,    -38,    456,   -352,    513,  -2291,   3333,  -2576,
      109,   -159,    123,    799,   3655,   1899,  -3364,   6279,
    12510,   -815,   -220,   -690,  -2406,  -9552,   -423,    750,
      390,  -1400,   -728,   1289,  -2791,  -1450,   2568,  -4794,
     8052,   2285,  -6193,   5138,   6003,  -3957,   -318,  -2341,
    -1611,  -2199,  -1123,   3044,    864,  -2525,   -716,   1942,
    -2950,   -837,   2269,  -1882,   -386,  -2291,   7679,  15387,
    -2723,     -9,   -320,  -3599, -14452,   -452,    -54,    181,
     1074,    362,   2152,  -7212,    -64,   -380,   1276,   2557,
     2777,  -1173,   3984,  13079,   2508,   -470,    -84,   -969,
   -10440,   -384,    198,   -675,    285,  -2217,    936,  -3180,
     -425,    179,   -610,  -2002,  -1879,   1771,  -2684,  16705,
     1833,   -215,   -191,   -439, -17032,   -205,    203,   -308,
      290,   1916,  -1805,   2736,    210,   -198,    300,  -1869,
     1052,   4495,  15519,   1467,  -4032,    -67,  -1233, -14700,
     -131,   -992,   -288,   -997,  -4257,    -94,   -402,  -1389,
      259,   1106,   3819,    361,   3010,   2544,   6969,   7559,
     1996,   -553,   -395,  -2964,  -3487,   -243,   -467,  -1280,
    -1082,  -1388,  -1174,  -3215,   -366,   -310,   -849,   -921,
    -5209,  -1867,   8713,  10351,   1549,  -1656,   -212,  -4634,
    -6540,   -146,   -593,   2770,    993,   3291,   1180,  -5505,
      492,    176,   -824,   -979,  -4314,   8513,    913,   7547,
    -2723,  -1135,  -4423,    -50,  -3476,   -452,   2241,    240,
     -474,   1987,  -3921,   -420,   -717,   1415,    151,   1254,
    12929,  -1219,   2448,   1757,   6303, -10204,    -90,   -365,
     -188,  -2425,    962,  -1932,    182,  -1386,    130,   -262,
    -4974,    469,   -941,   -676,   6465,   4132,   3167,   3160,
     5697,  -2551,  -1042,   -612,   -609,  -1981,  -1630,  -1249,
     -798,  -1247,   -797,   -611,  -2248,  -1437,  -1101,  -1099,
    -3636,   4859,  18914,  -1335,    810,   -807,  -1441, -21836,
     -108,    -40,   1078,   4198,  -5609,   -296,    396,   1541,
      179,   -240,   -936,     66,   8844,   7864,    654,  -4063,
    -5680,  -4774,  -3774,    -26,  -1007,  -1969,  -4245,   -353,
     -314,   2193,   1950,    162,   3066,   2726,    226,  -1408,
     1859,   2634,   9228,    996,   9464,   -211,   -423,  -5197,
      -60,  -5467,   -299,  -1047,  -1483,   -113,   -160,   -561,
    -1074,  -1521,  -5330,   -575,   2949,  12260,  10290,   -497,
    -3943,   -530,  -9174,  -6463,    -15,   -949,  -2206,  -1852,
    -7700,     89,    372,    312,    709,   2950,   2476,   -119,
    -2903,   1552,  14867,   9970,   -496,   -514,   -147, -13491,
    -6068,    -15,    275,   2634,  -1408,   1766,   -944,  -9047,
      -87,     47,    450,    302,   3243,   8234,   7586,   3373,
     2151,   -642,  -4138,  -3512,   -694,   -282,  -1630,  -1501,
    -3812,   -667,  -1695,  -1561,   -425,  -1081,   -996,   -442,
    -9631,     60,   3501,   5359,  10150,  -5662,      0,   -748,
    -1752,  -6288,     35,   2058,    -12,   3150,    -19,  -1145,
     5967,    -37,  -2169,  -3320,  -6874,  -2553,  -5446,  -2195,
    -7841,  -2884,   -397,  -1810,   -294,  -3753,  -1071,  -2285,
     -848,   -921,   -342,   -729,  -3290,  -1221,  -2606,  -1050,
    -3413,  -1141,   4630,  13612,   7897,   -711,    -79,  -1308,
   -11310,  -3806,   -237,    964,    322,   2836,    948,  -3847,
     1645,    550,  -2231,  -6561,   4410,  -5678,   8006,  -3992,
     3811,  -1187,  -1968,  -3912,   -973,   -886,   1528,  -2155,
     2775,   1074,  -1383,   1951,  -1025,   1321,  -1862,    928,
     5659,  11535,   2203,   -452,   7169,  -1954,  -8121,   -296,
      -12,  -3137,  -3984,   -761,  -1551,    156,    318,     60,
    -2476,  -5048,   -964,    197,   2914,  -2914,   3485,  -3965,
    13675,   -518,   -518,   -741,   -959, -11414,    518,   -620,
      620,    705,   -705,    843,  -2433,   2432,  -2909,   3310,
     7843,   1907,   1022,   8882,   7972,  -3755,   -222,    -63,
    -4815,  -3879,   -913,   -489,   -119,  -4252,  -1034,   -554,
    -3816,   -928,   -497,  -4322,  13807,   9531,   1436,   1612,
     1779, -11636,  -5544,   -125,   -158,   -193,  -8032,  -1210,
     -835,  -1358,   -938,   -141,  -1499,  -1035,   -156,   -175,
    13620,  -5337,   5450,  -2263,   1723, -11322,  -1738,  -1813,
     -312,   -181,   4436,  -4531,   1775,   1881,   -737,    752,
    -1432,    561,   -573,    238,   5297,   8374,   8872,   7694,
     6538,  -1712,  -4280,  -4804,  -3613,  -2609,  -2707,  -2868,
    -4534,  -2487,  -3932,  -4166,  -2113,  -3341,  -3540,  -3070
};

/**
 * 0.65^i (Zero part) and 0.75^i (Pole part) scaled by 2^15
 */
static const int16_t postfilter_tbl[2][LPC_ORDER] = {
    /* Zero */
    {21299, 13844,  8999,  5849, 3802, 2471, 1606, 1044,  679,  441},
    /* Pole */
    {24576, 18432, 13824, 10368, 7776, 5832, 4374, 3281, 2460, 1845}
};

/**
 * Hamming window coefficients scaled by 2^15
 */
static const int16_t hamming_window[LPC_FRAME] = {
     2621,  2631,  2659,  2705,  2770,  2853,  2955,  3074,  3212,  3367,
     3541,  3731,  3939,  4164,  4405,  4663,  4937,  5226,  5531,  5851,
     6186,  6534,  6897,  7273,  7661,  8062,  8475,  8899,  9334,  9780,
    10235, 10699, 11172, 11653, 12141, 12636, 13138, 13645, 14157, 14673,
    15193, 15716, 16242, 16769, 17298, 17827, 18356, 18884, 19411, 19935,
    20457, 20975, 21489, 21999, 22503, 23002, 23494, 23978, 24455, 24924,
    25384, 25834, 26274, 26704, 27122, 27529, 27924, 28306, 28675, 29031,
    29373, 29700, 30012, 30310, 30592, 30857, 31107, 31340, 31557, 31756,
    31938, 32102, 32249, 32377, 32488, 32580, 32654, 32710, 32747, 32766,
    32766, 32747, 32710, 32654, 32580, 32488, 32377, 32249, 32102, 31938,
    31756, 31557, 31340, 31107, 30857, 30592, 30310, 30012, 29700, 29373,
    29031, 28675, 28306, 27924, 27529, 27122, 26704, 26274, 25834, 25384,
    24924, 24455, 23978, 23494, 23002, 22503, 21999, 21489, 20975, 20457,
    19935, 19411, 18884, 18356, 17827, 17298, 16769, 16242, 15716, 15193,
    14673, 14157, 13645, 13138, 12636, 12141, 11653, 11172, 10699, 10235,
     9780, 9334,   8899,  8475,  8062,  7661,  7273,  6897,  6534,  6186,
     5851, 5531,   5226,  4937,  4663,  4405,  4164,  3939,  3731,  3541,
     3367, 3212,   3074,  2955,  2853,  2770,  2705,  2659,  2631,  2621
};

/**
 * Binomial window coefficients scaled by 2^15
 */
static const int16_t binomial_window[LPC_ORDER] = {
    32749, 32695, 32604, 32477, 32315, 32118, 31887, 31622, 31324, 30995
};

/**
 * 0.994^i scaled by 2^15
 */
static const int16_t bandwidth_expand[LPC_ORDER] = {
    32571, 32376, 32182, 31989, 31797, 31606, 31416, 31228, 31040, 30854
};

/**
 * 0.5^i scaled by 2^15
 */
static const int16_t percept_flt_tbl[2][LPC_ORDER] = {
    /* Zero part */
    {29491, 26542, 23888, 21499, 19349, 17414, 15673, 14106, 12695, 11425},
    /* Pole part */
    {16384,  8192,  4096,  2048,  1024,   512,   256,   128,    64,    32}
};

static const int cng_adaptive_cb_lag[4] = { 1, 0, 1, 3 };

static const int cng_filt[4] = { 273, 998, 499, 333 };

static const int cng_bseg[3] = { 2048, 18432, 231233 };

#endif /* AVCODEC_G723_1_H */
