aom/vp9/common/vp9_entropy.c

/*
 *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */


#include <stdio.h>

#include "vp9/common/vp9_entropy.h"
#include "string.h"
#include "vp9/common/vp9_blockd.h"
#include "vp9/common/vp9_onyxc_int.h"
#include "vp9/common/vp9_entropymode.h"
#include "vpx_mem/vpx_mem.h"
#include "vpx/vpx_integer.h"
#include "vp9/common/vp9_coefupdateprobs.h"

const int vp9_i8x8_block[4] = {0, 2, 8, 10};

DECLARE_ALIGNED(16, const uint8_t, vp9_norm[256]) = {
  0, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4,
  3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
  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, 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, 1, 1, 1, 1,
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};

// Unified coefficient band structure used by all block sizes
DECLARE_ALIGNED(16, const int, vp9_coef_bands8x8[64]) = {
  0, 1, 2, 3, 4, 4, 5, 5,
  1, 2, 3, 4, 4, 5, 5, 5,
  2, 3, 4, 4, 5, 5, 5, 5,
  3, 4, 4, 5, 5, 5, 5, 5,
  4, 4, 5, 5, 5, 5, 5, 5,
  4, 5, 5, 5, 5, 5, 5, 5,
  5, 5, 5, 5, 5, 5, 5, 5,
  5, 5, 5, 5, 5, 5, 5, 5
};
DECLARE_ALIGNED(16, const int, vp9_coef_bands4x4[16]) = {
  0, 1, 2, 3,
  1, 2, 3, 4,
  2, 3, 4, 5,
  3, 4, 5, 5
};

DECLARE_ALIGNED(16, const uint8_t, vp9_pt_energy_class[MAX_ENTROPY_TOKENS]) = {
  0, 1, 2, 3, 3, 4, 4, 5, 5, 5, 5, 5
};

#if CONFIG_SCATTERSCAN
DECLARE_ALIGNED(16, const int, vp9_default_zig_zag1d_4x4[16]) = {
  0,  4,  1,  5,
  8,  2, 12,  9,
  3,  6, 13, 10,
  7, 14, 11, 15,
};

DECLARE_ALIGNED(16, const int, vp9_col_scan_4x4[16]) = {
  0,  4,  8,  1,
  12,  5,  9,  2,
  13,  6, 10,  3,
  7, 14, 11, 15,
};

DECLARE_ALIGNED(16, const int, vp9_row_scan_4x4[16]) = {
  0,  1,  4,  2,
  5,  3,  6,  8,
  9,  7, 12, 10,
  13, 11, 14, 15,
};

DECLARE_ALIGNED(64, const int, vp9_default_zig_zag1d_8x8[64]) = {
  0,  8,  1, 16,  9,  2, 17, 24,
  10,  3, 18, 25, 32, 11,  4, 26,
  33, 19, 40, 12, 34, 27,  5, 41,
  20, 48, 13, 35, 42, 28, 21,  6,
  49, 56, 36, 43, 29,  7, 14, 50,
  57, 44, 22, 37, 15, 51, 58, 30,
  45, 23, 52, 59, 38, 31, 60, 53,
  46, 39, 61, 54, 47, 62, 55, 63,
};

DECLARE_ALIGNED(16, const int, vp9_col_scan_8x8[64]) = {
  0,  8, 16,  1, 24,  9, 32, 17,
  2, 40, 25, 10, 33, 18, 48,  3,
  26, 41, 11, 56, 19, 34,  4, 49,
  27, 42, 12, 35, 20, 57, 50, 28,
  5, 43, 13, 36, 58, 51, 21, 44,
  6, 29, 59, 37, 14, 52, 22,  7,
  45, 60, 30, 15, 38, 53, 23, 46,
  31, 61, 39, 54, 47, 62, 55, 63,
};

DECLARE_ALIGNED(16, const int, vp9_row_scan_8x8[64]) = {
  0,  1,  2,  8,  9,  3, 16, 10,
  4, 17, 11, 24,  5, 18, 25, 12,
  19, 26, 32,  6, 13, 20, 33, 27,
  7, 34, 40, 21, 28, 41, 14, 35,
  48, 42, 29, 36, 49, 22, 43, 15,
  56, 37, 50, 44, 30, 57, 23, 51,
  58, 45, 38, 52, 31, 59, 53, 46,
  60, 39, 61, 47, 54, 55, 62, 63,
};

DECLARE_ALIGNED(16, const int, vp9_default_zig_zag1d_16x16[256]) = {
  0,  16,   1,  32,  17,   2,  48,  33,  18,   3,  64,  34,  49,  19,  65,  80,
  50,   4,  35,  66,  20,  81,  96,  51,   5,  36,  82,  97,  67, 112,  21,  52,
  98,  37,  83, 113,   6,  68, 128,  53,  22,  99, 114,  84,   7, 129,  38,  69,
  100, 115, 144, 130,  85,  54,  23,   8, 145,  39,  70, 116, 101, 131, 160, 146,
  55,  86,  24,  71, 132, 117, 161,  40,   9, 102, 147, 176, 162,  87,  56,  25,
  133, 118, 177, 148,  72, 103,  41, 163,  10, 192, 178,  88,  57, 134, 149, 119,
  26, 164,  73, 104, 193,  42, 179, 208,  11, 135,  89, 165, 120, 150,  58, 194,
  180,  27,  74, 209, 105, 151, 136,  43,  90, 224, 166, 195, 181, 121, 210,  59,
  12, 152, 106, 167, 196,  75, 137, 225, 211, 240, 182, 122,  91,  28, 197,  13,
  226, 168, 183, 153,  44, 212, 138, 107, 241,  60,  29, 123, 198, 184, 227, 169,
  242,  76, 213, 154,  45,  92,  14, 199, 139,  61, 228, 214, 170, 185, 243, 108,
  77, 155,  30,  15, 200, 229, 124, 215, 244,  93,  46, 186, 171, 201, 109, 140,
  230,  62, 216, 245,  31, 125,  78, 156, 231,  47, 187, 202, 217,  94, 246, 141,
  63, 232, 172, 110, 247, 157,  79, 218, 203, 126, 233, 188, 248,  95, 173, 142,
  219, 111, 249, 234, 158, 127, 189, 204, 250, 235, 143, 174, 220, 205, 159, 251,
  190, 221, 175, 236, 237, 191, 206, 252, 222, 253, 207, 238, 223, 254, 239, 255,
};

DECLARE_ALIGNED(16, const int, vp9_col_scan_16x16[256]) = {
  0,  16,  32,  48,   1,  64,  17,  80,  33,  96,  49,   2,  65, 112,  18,  81,
  34, 128,  50,  97,   3,  66, 144,  19, 113,  35,  82, 160,  98,  51, 129,   4,
  67, 176,  20, 114, 145,  83,  36,  99, 130,  52, 192,   5, 161,  68, 115,  21,
  146,  84, 208, 177,  37, 131, 100,  53, 162, 224,  69,   6, 116, 193, 147,  85,
  22, 240, 132,  38, 178, 101, 163,  54, 209, 117,  70,   7, 148, 194,  86, 179,
  225,  23, 133,  39, 164,   8, 102, 210, 241,  55, 195, 118, 149,  71, 180,  24,
  87, 226, 134, 165, 211,  40, 103,  56,  72, 150, 196, 242, 119,   9, 181, 227,
  88, 166,  25, 135,  41, 104, 212,  57, 151, 197, 120,  73, 243, 182, 136, 167,
  213,  89,  10, 228, 105, 152, 198,  26,  42, 121, 183, 244, 168,  58, 137, 229,
  74, 214,  90, 153, 199, 184,  11, 106, 245,  27, 122, 230, 169,  43, 215,  59,
  200, 138, 185, 246,  75,  12,  91, 154, 216, 231, 107,  28,  44, 201, 123, 170,
  60, 247, 232,  76, 139,  13,  92, 217, 186, 248, 155, 108,  29, 124,  45, 202,
  233, 171,  61,  14,  77, 140,  15, 249,  93,  30, 187, 156, 218,  46, 109, 125,
  62, 172,  78, 203,  31, 141, 234,  94,  47, 188,  63, 157, 110, 250, 219,  79,
  126, 204, 173, 142,  95, 189, 111, 235, 158, 220, 251, 127, 174, 143, 205, 236,
  159, 190, 221, 252, 175, 206, 237, 191, 253, 222, 238, 207, 254, 223, 239, 255,
};

DECLARE_ALIGNED(16, const int, vp9_row_scan_16x16[256]) = {
  0,   1,   2,  16,   3,  17,   4,  18,  32,   5,  33,  19,   6,  34,  48,  20,
  49,   7,  35,  21,  50,  64,   8,  36,  65,  22,  51,  37,  80,   9,  66,  52,
  23,  38,  81,  67,  10,  53,  24,  82,  68,  96,  39,  11,  54,  83,  97,  69,
  25,  98,  84,  40, 112,  55,  12,  70,  99, 113,  85,  26,  41,  56, 114, 100,
  13,  71, 128,  86,  27, 115, 101, 129,  42,  57,  72, 116,  14,  87, 130, 102,
  144,  73, 131, 117,  28,  58,  15,  88,  43, 145, 103, 132, 146, 118,  74, 160,
  89, 133, 104,  29,  59, 147, 119,  44, 161, 148,  90, 105, 134, 162, 120, 176,
  75, 135, 149,  30,  60, 163, 177,  45, 121,  91, 106, 164, 178, 150, 192, 136,
  165, 179,  31, 151, 193,  76, 122,  61, 137, 194, 107, 152, 180, 208,  46, 166,
  167, 195,  92, 181, 138, 209, 123, 153, 224, 196,  77, 168, 210, 182, 240, 108,
  197,  62, 154, 225, 183, 169, 211,  47, 139,  93, 184, 226, 212, 241, 198, 170,
  124, 155, 199,  78, 213, 185, 109, 227, 200,  63, 228, 242, 140, 214, 171, 186,
  156, 229, 243, 125,  94, 201, 244, 215, 216, 230, 141, 187, 202,  79, 172, 110,
  157, 245, 217, 231,  95, 246, 232, 126, 203, 247, 233, 173, 218, 142, 111, 158,
  188, 248, 127, 234, 219, 249, 189, 204, 143, 174, 159, 250, 235, 205, 220, 175,
  190, 251, 221, 191, 206, 236, 207, 237, 252, 222, 253, 223, 238, 239, 254, 255,
};

DECLARE_ALIGNED(16, const int, vp9_default_zig_zag1d_32x32[1024]) = {
  0,   32,    1,   64,   33,    2,   96,   65,   34,  128,    3,   97,   66,  160,  129,   35,   98,    4,   67,  130,  161,  192,   36,   99,  224,    5,  162,  193,   68,  131,   37,  100,
  225,  194,  256,  163,   69,  132,    6,  226,  257,  288,  195,  101,  164,   38,  258,    7,  227,  289,  133,  320,   70,  196,  165,  290,  259,  228,   39,  321,  102,  352,    8,  197,
  71,  134,  322,  291,  260,  353,  384,  229,  166,  103,   40,  354,  323,  292,  135,  385,  198,  261,   72,    9,  416,  167,  386,  355,  230,  324,  104,  293,   41,  417,  199,  136,
  262,  387,  448,  325,  356,   10,   73,  418,  231,  168,  449,  294,  388,  105,  419,  263,   42,  200,  357,  450,  137,  480,   74,  326,  232,   11,  389,  169,  295,  420,  106,  451,
  481,  358,  264,  327,  201,   43,  138,  512,  482,  390,  296,  233,  170,  421,   75,  452,  359,   12,  513,  265,  483,  328,  107,  202,  514,  544,  422,  391,  453,  139,   44,  234,
  484,  297,  360,  171,   76,  515,  545,  266,  329,  454,   13,  423,  392,  203,  108,  546,  485,  576,  298,  235,  140,  361,  516,  330,  172,  547,   45,  424,  455,  267,  393,  577,
  486,   77,  204,  517,  362,  548,  608,   14,  456,  299,  578,  109,  236,  425,  394,  487,  609,  331,  141,  579,  518,   46,  268,   15,  173,  549,  610,  640,  363,   78,  519,  488,
  300,  205,   16,  457,  580,  426,  550,  395,  110,  237,  611,  641,  332,  672,  142,  642,  269,  458,   47,  581,  427,  489,  174,  364,  520,  612,  551,  673,   79,  206,  301,  643,
  704,   17,  111,  490,  674,  238,  582,   48,  521,  613,  333,  396,  459,  143,  270,  552,  644,  705,  736,  365,   80,  675,  583,  175,  428,  706,  112,  302,  207,  614,  553,   49,
  645,  522,  737,  397,  768,  144,  334,   18,  676,  491,  239,  615,  707,  584,   81,  460,  176,  271,  738,  429,  113,  800,  366,  208,  523,  708,  646,  554,  677,  769,   19,  145,
  585,  739,  240,  303,   50,  461,  616,  398,  647,  335,  492,  177,   82,  770,  832,  555,  272,  430,  678,  209,  709,  114,  740,  801,  617,   51,  304,  679,  524,  367,  586,  241,
  20,  146,  771,  864,   83,  802,  648,  493,  399,  273,  336,  710,  178,  462,  833,  587,  741,  115,  305,  711,  368,  525,  618,  803,  210,  896,  680,  834,  772,   52,  649,  147,
  431,  494,  556,  242,  400,  865,  337,   21,  928,  179,  742,   84,  463,  274,  369,  804,  650,  557,  743,  960,  835,  619,  773,  306,  211,  526,  432,  992,  588,  712,  116,  243,
  866,  495,  681,  558,  805,  589,  401,  897,   53,  338,  148,  682,  867,  464,  275,   22,  370,  433,  307,  620,  527,  836,  774,  651,  713,  744,   85,  180,  621,  465,  929,  775,
  496,  898,  212,  339,  244,  402,  590,  117,  559,  714,  434,   23,  868,  930,  806,  683,  528,  652,  371,  961,  149,  837,   54,  899,  745,  276,  993,  497,  403,  622,  181,  776,
  746,  529,  560,  435,   86,  684,  466,  308,  591,  653,  715,  807,  340,  869,  213,  962,  245,  838,  561,  931,  808,  592,  118,  498,  372,  623,  685,  994,  467,  654,  747,  900,
  716,  277,  150,   55,   24,  404,  530,  839,  777,  655,  182,  963,  840,  686,  778,  309,  870,  341,   87,  499,  809,  624,  593,  436,  717,  932,  214,  246,  995,  718,  625,  373,
  562,   25,  119,  901,  531,  468,  964,  748,  810,  278,  779,  500,  563,  656,  405,  687,  871,  872,  594,  151,  933,  749,  841,  310,  657,  626,  595,  437,  688,  183,  996,  965,
  902,  811,  342,  750,  689,  719,  532,   56,  215,  469,  934,  374,  247,  720,  780,  564,  781,  842,  406,   26,  751,  903,  873,   57,  279,  627,  501,  658,  843,  997,  812,  904,
  88,  813,  438,  752,  935,  936,  311,  596,  533,  690,  343,  966,  874,   89,  120,  470,  721,  875,  659,  782,  565,  998,  375,  844,  845,   27,  628,  967,  121,  905,  968,  152,
  937,  814,  753,  502,  691,  783,  184,  153,  722,  407,   58,  815,  999,  660,  597,  723,  534,  906,  216,  439,  907,  248,  185,  876,  846,  692,  784,  629,   90,  969,  280,  754,
  938,  939,  217,  847,  566,  471,  785,  816,  877, 1000,  249,  878,  661,  503,  312,  970,  755,  122,  817,  281,  344,  786,  598,  724,   28,   59,   29,  154,  535,  630,  376, 1001,
  313,  908,  186,   91,  848,  849,  345,  909,  940,  879,  408,  818,  693, 1002,  971,  941,  567,  377,  218,  756,  910,  787,  440,  123,  880,  725,  662,  250,  819, 1003,  282,  972,
  850,  599,  472,  409,  155,  441,  942,  757,  788,  694,  911,  881,  314,  631,  973,  504,  187, 1004,  346,  473,  851,  943,  820,  726,   60,  505,  219,  378,  912,  974,   30,   31,
  536,  882, 1005,   92,  251,  663,  944,  913,  283,  695,  883,  568, 1006,  975,  410,  442,  945,  789,  852,  537, 1007,  124,  315,   61,  758,  821,  600,  914,  976,  569,  474,  347,
  156, 1008,  915,   93,  977,  506,  946,  727,  379,  884,  188,  632,  601, 1009,  790,  853,  978,  947,  220,  411,  125,  633,  664,  759,  252,  443,  916,  538,  157,  822,   62,  570,
  979,  284, 1010,  885,  948,  189,  475,   94,  316,  665,  696, 1011,  854,  791,  980,  221,  348,   63,  917,  602,  380,  507,  253,  126,  697,  823,  634,  285,  728,  949,  886,   95,
  158,  539, 1012,  317,  412,  444,  760,  571,  190,  981,  729,  918,  127,  666,  349,  381,  476,  855,  761, 1013,  603,  222,  159,  698,  950,  508,  254,  792,  286,  635,  887,  793,
  413,  191,  982,  445,  540,  318,  730,  667,  223,  824,  919, 1014,  350,  477,  572,  255,  825,  951,  762,  509,  604,  856,  382,  699,  287,  319,  636,  983,  794,  414,  541,  731,
  857,  888,  351,  446,  573, 1015,  668,  889,  478,  826,  383,  763,  605,  920,  510,  637,  415,  700,  921,  858,  447,  952,  542,  795,  479,  953,  732,  890,  669,  574,  511,  984,
  827,  985,  922, 1016,  764,  606,  543,  701,  859,  638, 1017,  575,  796,  954,  733,  891,  670,  607,  828,  986,  765,  923,  639, 1018,  702,  860,  955,  671,  892,  734,  797,  703,
  987,  829, 1019,  766,  924,  735,  861,  956,  988,  893,  767,  798,  830, 1020,  925,  957,  799,  862,  831,  989,  894, 1021,  863,  926,  895,  958,  990, 1022,  927,  959,  991, 1023,
};
#else  // CONFIG_SCATTERSCAN
DECLARE_ALIGNED(16, const int, vp9_default_zig_zag1d_4x4[16]) = {
  0,  1,  4,  8,
  5,  2,  3,  6,
  9, 12, 13, 10,
  7, 11, 14, 15,
};

DECLARE_ALIGNED(16, const int, vp9_col_scan_4x4[16]) = {
  0, 4,  8, 12,
  1, 5,  9, 13,
  2, 6, 10, 14,
  3, 7, 11, 15
};

DECLARE_ALIGNED(16, const int, vp9_row_scan_4x4[16]) = {
  0,   1,  2,  3,
  4,   5,  6,  7,
  8,   9, 10, 11,
  12, 13, 14, 15
};

DECLARE_ALIGNED(64, const int, vp9_default_zig_zag1d_8x8[64]) = {
  0,  1,  8, 16,  9,  2,  3, 10, 17, 24, 32, 25, 18, 11,  4,  5,
  12, 19, 26, 33, 40, 48, 41, 34, 27, 20, 13,  6,  7, 14, 21, 28,
  35, 42, 49, 56, 57, 50, 43, 36, 29, 22, 15, 23, 30, 37, 44, 51,
  58, 59, 52, 45, 38, 31, 39, 46, 53, 60, 61, 54, 47, 55, 62, 63,
};

DECLARE_ALIGNED(16, const int, vp9_col_scan_8x8[64]) = {
   0,  8, 16, 24, 32, 40, 48, 56,
   1,  9, 17, 25, 33, 41, 49, 57,
   2, 10, 18, 26, 34, 42, 50, 58,
   3, 11, 19, 27, 35, 43, 51, 59,
   4, 12, 20, 28, 36, 44, 52, 60,
   5, 13, 21, 29, 37, 45, 53, 61,
   6, 14, 22, 30, 38, 46, 54, 62,
   7, 15, 23, 31, 39, 47, 55, 63,
};

DECLARE_ALIGNED(16, const int, vp9_row_scan_8x8[64]) = {
   0,  1,  2,  3,  4,  5,  6,  7,
   8,  9, 10, 11, 12, 13, 14, 15,
  16, 17, 18, 19, 20, 21, 22, 23,
  24, 25, 26, 27, 28, 29, 30, 31,
  32, 33, 34, 35, 36, 37, 38, 39,
  40, 41, 42, 43, 44, 45, 46, 47,
  48, 49, 50, 51, 52, 53, 54, 55,
  56, 57, 58, 59, 60, 61, 62, 63,
};

DECLARE_ALIGNED(16, const int, vp9_default_zig_zag1d_16x16[256]) = {
  0,   1,  16,  32,  17,   2,   3,  18,
  33,  48,  64,  49,  34,  19,   4,   5,
  20,  35,  50,  65,  80,  96,  81,  66,
  51,  36,  21,   6,   7,  22,  37,  52,
  67,  82,  97, 112, 128, 113,  98,  83,
  68,  53,  38,  23,   8,   9,  24,  39,
  54,  69,  84,  99, 114, 129, 144, 160,
  145, 130, 115, 100,  85,  70,  55,  40,
  25,  10,  11,  26,  41,  56,  71,  86,
  101, 116, 131, 146, 161, 176, 192, 177,
  162, 147, 132, 117, 102,  87,  72,  57,
  42,  27,  12,  13,  28,  43,  58, 73,
  88, 103, 118, 133, 148, 163, 178, 193,
  208, 224, 209, 194, 179, 164, 149, 134,
  119, 104,  89,  74,  59,  44,  29,  14,
  15,  30, 45,  60,  75,  90, 105, 120,
  135, 150, 165, 180, 195, 210, 225, 240,
  241, 226, 211, 196, 181, 166, 151, 136,
  121, 106,  91,  76,  61,  46,  31,  47,
  62,  77, 92, 107, 122, 137, 152, 167,
  182, 197, 212, 227, 242, 243, 228, 213,
  198, 183, 168, 153, 138, 123, 108, 93,
  78,  63,  79,  94, 109, 124, 139, 154,
  169, 184, 199, 214, 229, 244, 245, 230,
  215, 200, 185, 170, 155, 140, 125, 110,
  95, 111, 126, 141, 156, 171, 186, 201,
  216, 231, 246, 247, 232, 217, 202, 187,
  172, 157, 142, 127, 143, 158, 173, 188,
  203, 218, 233, 248, 249, 234, 219, 204,
  189, 174, 159, 175, 190, 205, 220, 235,
  250, 251, 236, 221, 206, 191, 207, 222,
  237, 252, 253, 238, 223, 239, 254, 255,
};

DECLARE_ALIGNED(16, const int, vp9_col_scan_16x16[256]) = {
    0,  16,  32,  48,  64,  80,  96, 112, 128, 144, 160, 176, 192, 208, 224, 240,
    1,  17,  33,  49,  65,  81,  97, 113, 129, 145, 161, 177, 193, 209, 225, 241,
    2,  18,  34,  50,  66,  82,  98, 114, 130, 146, 162, 178, 194, 210, 226, 242,
    3,  19,  35,  51,  67,  83,  99, 115, 131, 147, 163, 179, 195, 211, 227, 243,
    4,  20,  36,  52,  68,  84, 100, 116, 132, 148, 164, 180, 196, 212, 228, 244,
    5,  21,  37,  53,  69,  85, 101, 117, 133, 149, 165, 181, 197, 213, 229, 245,
    6,  22,  38,  54,  70,  86, 102, 118, 134, 150, 166, 182, 198, 214, 230, 246,
    7,  23,  39,  55,  71,  87, 103, 119, 135, 151, 167, 183, 199, 215, 231, 247,
    8,  24,  40,  56,  72,  88, 104, 120, 136, 152, 168, 184, 200, 216, 232, 248,
    9,  25,  41,  57,  73,  89, 105, 121, 137, 153, 169, 185, 201, 217, 233, 249,
   10,  26,  42,  58,  74,  90, 106, 122, 138, 154, 170, 186, 202, 218, 234, 250,
   11,  27,  43,  59,  75,  91, 107, 123, 139, 155, 171, 187, 203, 219, 235, 251,
   12,  28,  44,  60,  76,  92, 108, 124, 140, 156, 172, 188, 204, 220, 236, 252,
   13,  29,  45,  61,  77,  93, 109, 125, 141, 157, 173, 189, 205, 221, 237, 253,
   14,  30,  46,  62,  78,  94, 110, 126, 142, 158, 174, 190, 206, 222, 238, 254,
   15,  31,  47,  63,  79,  95, 111, 127, 143, 159, 175, 191, 207, 223, 239, 255,
};

DECLARE_ALIGNED(16, const int, vp9_row_scan_16x16[256]) = {
    0,   1,   2,   3,   4,   5,   6,   7,   8,   9,  10,  11,  12,  13,  14,  15,
   16,  17,  18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29,  30,  31,
   32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,  44,  45,  46,  47,
   48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59,  60,  61,  62,  63,
   64,  65,  66,  67,  68,  69,  70,  71,  72,  73,  74,  75,  76,  77,  78,  79,
   80,  81,  82,  83,  84,  85,  86,  87,  88,  89,  90,  91,  92,  93,  94,  95,
   96,  97,  98,  99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111,
  112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127,
  128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143,
  144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159,
  160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175,
  176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191,
  192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207,
  208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223,
  224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239,
  240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255,
};

DECLARE_ALIGNED(16, const int, vp9_default_zig_zag1d_32x32[1024]) = {
    0,    1,   32,   64,   33,    2,    3,   34,   65,   96,  128,   97,   66,   35,    4,    5,   36,   67,   98,  129,  160,  192,  161,  130,   99,   68,   37,    6,    7,   38,   69,  100,
  131,  162,  193,  224,  256,  225,  194,  163,  132,  101,   70,   39,    8,    9,   40,   71,  102,  133,  164,  195,  226,  257,  288,  320,  289,  258,  227,  196,  165,  134,  103,   72,
   41,   10,   11,   42,   73,  104,  135,  166,  197,  228,  259,  290,  321,  352,  384,  353,  322,  291,  260,  229,  198,  167,  136,  105,   74,   43,   12,   13,   44,   75,  106,  137,
  168,  199,  230,  261,  292,  323,  354,  385,  416,  448,  417,  386,  355,  324,  293,  262,  231,  200,  169,  138,  107,   76,   45,   14,   15,   46,   77,  108,  139,  170,  201,  232,
  263,  294,  325,  356,  387,  418,  449,  480,  512,  481,  450,  419,  388,  357,  326,  295,  264,  233,  202,  171,  140,  109,   78,   47,   16,   17,   48,   79,  110,  141,  172,  203,
  234,  265,  296,  327,  358,  389,  420,  451,  482,  513,  544,  576,  545,  514,  483,  452,  421,  390,  359,  328,  297,  266,  235,  204,  173,  142,  111,   80,   49,   18,   19,   50,
   81,  112,  143,  174,  205,  236,  267,  298,  329,  360,  391,  422,  453,  484,  515,  546,  577,  608,  640,  609,  578,  547,  516,  485,  454,  423,  392,  361,  330,  299,  268,  237,
  206,  175,  144,  113,   82,   51,   20,   21,   52,   83,  114,  145,  176,  207,  238,  269,  300,  331,  362,  393,  424,  455,  486,  517,  548,  579,  610,  641,  672,  704,  673,  642,
  611,  580,  549,  518,  487,  456,  425,  394,  363,  332,  301,  270,  239,  208,  177,  146,  115,   84,   53,   22,   23,   54,   85,  116,  147,  178,  209,  240,  271,  302,  333,  364,
  395,  426,  457,  488,  519,  550,  581,  612,  643,  674,  705,  736,  768,  737,  706,  675,  644,  613,  582,  551,  520,  489,  458,  427,  396,  365,  334,  303,  272,  241,  210,  179,
  148,  117,   86,   55,   24,   25,   56,   87,  118,  149,  180,  211,  242,  273,  304,  335,  366,  397,  428,  459,  490,  521,  552,  583,  614,  645,  676,  707,  738,  769,  800,  832,
  801,  770,  739,  708,  677,  646,  615,  584,  553,  522,  491,  460,  429,  398,  367,  336,  305,  274,  243,  212,  181,  150,  119,   88,   57,   26,   27,   58,   89,  120,  151,  182,
  213,  244,  275,  306,  337,  368,  399,  430,  461,  492,  523,  554,  585,  616,  647,  678,  709,  740,  771,  802,  833,  864,  896,  865,  834,  803,  772,  741,  710,  679,  648,  617,
  586,  555,  524,  493,  462,  431,  400,  369,  338,  307,  276,  245,  214,  183,  152,  121,   90,   59,   28,   29,   60,   91,  122,  153,  184,  215,  246,  277,  308,  339,  370,  401,
  432,  463,  494,  525,  556,  587,  618,  649,  680,  711,  742,  773,  804,  835,  866,  897,  928,  960,  929,  898,  867,  836,  805,  774,  743,  712,  681,  650,  619,  588,  557,  526,
  495,  464,  433,  402,  371,  340,  309,  278,  247,  216,  185,  154,  123,   92,   61,   30,   31,   62,   93,  124,  155,  186,  217,  248,  279,  310,  341,  372,  403,  434,  465,  496,
  527,  558,  589,  620,  651,  682,  713,  744,  775,  806,  837,  868,  899,  930,  961,  992,  993,  962,  931,  900,  869,  838,  807,  776,  745,  714,  683,  652,  621,  590,  559,  528,
  497,  466,  435,  404,  373,  342,  311,  280,  249,  218,  187,  156,  125,   94,   63,   95,  126,  157,  188,  219,  250,  281,  312,  343,  374,  405,  436,  467,  498,  529,  560,  591,
  622,  653,  684,  715,  746,  777,  808,  839,  870,  901,  932,  963,  994,  995,  964,  933,  902,  871,  840,  809,  778,  747,  716,  685,  654,  623,  592,  561,  530,  499,  468,  437,
  406,  375,  344,  313,  282,  251,  220,  189,  158,  127,  159,  190,  221,  252,  283,  314,  345,  376,  407,  438,  469,  500,  531,  562,  593,  624,  655,  686,  717,  748,  779,  810,
  841,  872,  903,  934,  965,  996,  997,  966,  935,  904,  873,  842,  811,  780,  749,  718,  687,  656,  625,  594,  563,  532,  501,  470,  439,  408,  377,  346,  315,  284,  253,  222,
  191,  223,  254,  285,  316,  347,  378,  409,  440,  471,  502,  533,  564,  595,  626,  657,  688,  719,  750,  781,  812,  843,  874,  905,  936,  967,  998,  999,  968,  937,  906,  875,
  844,  813,  782,  751,  720,  689,  658,  627,  596,  565,  534,  503,  472,  441,  410,  379,  348,  317,  286,  255,  287,  318,  349,  380,  411,  442,  473,  504,  535,  566,  597,  628,
  659,  690,  721,  752,  783,  814,  845,  876,  907,  938,  969, 1000, 1001,  970,  939,  908,  877,  846,  815,  784,  753,  722,  691,  660,  629,  598,  567,  536,  505,  474,  443,  412,
  381,  350,  319,  351,  382,  413,  444,  475,  506,  537,  568,  599,  630,  661,  692,  723,  754,  785,  816,  847,  878,  909,  940,  971, 1002, 1003,  972,  941,  910,  879,  848,  817,
  786,  755,  724,  693,  662,  631,  600,  569,  538,  507,  476,  445,  414,  383,  415,  446,  477,  508,  539,  570,  601,  632,  663,  694,  725,  756,  787,  818,  849,  880,  911,  942,
  973, 1004, 1005,  974,  943,  912,  881,  850,  819,  788,  757,  726,  695,  664,  633,  602,  571,  540,  509,  478,  447,  479,  510,  541,  572,  603,  634,  665,  696,  727,  758,  789,
  820,  851,  882,  913,  944,  975, 1006, 1007,  976,  945,  914,  883,  852,  821,  790,  759,  728,  697,  666,  635,  604,  573,  542,  511,  543,  574,  605,  636,  667,  698,  729,  760,
  791,  822,  853,  884,  915,  946,  977, 1008, 1009,  978,  947,  916,  885,  854,  823,  792,  761,  730,  699,  668,  637,  606,  575,  607,  638,  669,  700,  731,  762,  793,  824,  855,
  886,  917,  948,  979, 1010, 1011,  980,  949,  918,  887,  856,  825,  794,  763,  732,  701,  670,  639,  671,  702,  733,  764,  795,  826,  857,  888,  919,  950,  981, 1012, 1013,  982,
  951,  920,  889,  858,  827,  796,  765,  734,  703,  735,  766,  797,  828,  859,  890,  921,  952,  983, 1014, 1015,  984,  953,  922,  891,  860,  829,  798,  767,  799,  830,  861,  892,
  923,  954,  985, 1016, 1017,  986,  955,  924,  893,  862,  831,  863,  894,  925,  956,  987, 1018, 1019,  988,  957,  926,  895,  927,  958,  989, 1020, 1021,  990,  959,  991, 1022, 1023,
};
#endif  // CONFIG_SCATTERSCAN

/* Array indices are identical to previously-existing CONTEXT_NODE indices */

const vp9_tree_index vp9_coef_tree[ 22] =     /* corresponding _CONTEXT_NODEs */
{
  -DCT_EOB_TOKEN, 2,                             /* 0 = EOB */
  -ZERO_TOKEN, 4,                               /* 1 = ZERO */
  -ONE_TOKEN, 6,                               /* 2 = ONE */
  8, 12,                                      /* 3 = LOW_VAL */
  -TWO_TOKEN, 10,                            /* 4 = TWO */
  -THREE_TOKEN, -FOUR_TOKEN,                /* 5 = THREE */
  14, 16,                                    /* 6 = HIGH_LOW */
  -DCT_VAL_CATEGORY1, -DCT_VAL_CATEGORY2,   /* 7 = CAT_ONE */
  18, 20,                                   /* 8 = CAT_THREEFOUR */
  -DCT_VAL_CATEGORY3, -DCT_VAL_CATEGORY4,  /* 9 = CAT_THREE */
  -DCT_VAL_CATEGORY5, -DCT_VAL_CATEGORY6   /* 10 = CAT_FIVE */
};

struct vp9_token vp9_coef_encodings[MAX_ENTROPY_TOKENS];

/* Trees for extra bits.  Probabilities are constant and
   do not depend on previously encoded bits */

static const vp9_prob Pcat1[] = { 159};
static const vp9_prob Pcat2[] = { 165, 145};
static const vp9_prob Pcat3[] = { 173, 148, 140};
static const vp9_prob Pcat4[] = { 176, 155, 140, 135};
static const vp9_prob Pcat5[] = { 180, 157, 141, 134, 130};
static const vp9_prob Pcat6[] = {
  254, 254, 254, 252, 249, 243, 230, 196, 177, 153, 140, 133, 130, 129
};

#if CONFIG_CODE_NONZEROCOUNT
const vp9_tree_index vp9_nzc4x4_tree[2 * NZC4X4_NODES] = {
  -NZC_0, 2,
  4, 6,
  -NZC_1, -NZC_2,
  -NZC_3TO4, 8,
  -NZC_5TO8, -NZC_9TO16,
};
struct vp9_token vp9_nzc4x4_encodings[NZC4X4_TOKENS];

const vp9_tree_index vp9_nzc8x8_tree[2 * NZC8X8_NODES] = {
  -NZC_0, 2,
  4, 6,
  -NZC_1, -NZC_2,
  8, 10,
  -NZC_3TO4, -NZC_5TO8,
  -NZC_9TO16, 12,
  -NZC_17TO32, -NZC_33TO64,
};
struct vp9_token vp9_nzc8x8_encodings[NZC8X8_TOKENS];

const vp9_tree_index vp9_nzc16x16_tree[2 * NZC16X16_NODES] = {
  -NZC_0, 2,
  4, 6,
  -NZC_1, -NZC_2,
  8, 10,
  -NZC_3TO4, -NZC_5TO8,
  12, 14,
  -NZC_9TO16, -NZC_17TO32,
  -NZC_33TO64, 16,
  -NZC_65TO128, -NZC_129TO256,
};
struct vp9_token vp9_nzc16x16_encodings[NZC16X16_TOKENS];

const vp9_tree_index vp9_nzc32x32_tree[2 * NZC32X32_NODES] = {
  -NZC_0, 2,
  4, 6,
  -NZC_1, -NZC_2,
  8, 10,
  -NZC_3TO4, -NZC_5TO8,
  12, 14,
  -NZC_9TO16, -NZC_17TO32,
  16, 18,
  -NZC_33TO64, -NZC_65TO128,
  -NZC_129TO256, 20,
  -NZC_257TO512, -NZC_513TO1024,
};
struct vp9_token vp9_nzc32x32_encodings[NZC32X32_TOKENS];

const int vp9_extranzcbits[NZC32X32_TOKENS] = {
  0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
};

const int vp9_basenzcvalue[NZC32X32_TOKENS] = {
  0, 1, 2, 3, 5, 9, 17, 33, 65, 129, 257, 513
};

#endif  // CONFIG_CODE_NONZEROCOUNT

#if CONFIG_MODELCOEFPROB

#if UNCONSTRAINED_NODES == 2
const vp9_prob vp9_modelcoefprobs_gg75[COEFPROB_MODELS][ENTROPY_NODES - 1] = {
  // Probs generated with a Generalized Gaussian (with shape parameter 0.75)
  // source model with varying quantizer step size for a uniform quantizer
  {0,   0,   0,   0,   0,   0,   0,   0,   0,   0,},  // do not use
  {1,   2,   6,  87, 129,  11,  88,  39,  93,  47,},
  {2,   4,  11,  88, 130,  21,  89,  68,  98,  79,},
  {3,   6,  16,  89, 131,  30,  91,  92, 103, 105,},
  {4,   8,  21,  90, 131,  38,  92, 112, 107, 126,},
  {5,  10,  26,  90, 132,  46,  94, 129, 111, 143,},
  {6,  11,  31,  91, 133,  54,  95, 143, 115, 157,},
  {7,  13,  35,  92, 133,  61,  96, 156, 119, 170,},
  {8,  15,  40,  93, 134,  68,  97, 167, 123, 180,},
  {9,  17,  44,  94, 134,  74,  98, 177, 126, 189,},
  {10,  19,  48,  94, 135,  80, 100, 185, 130, 197,},
  {11,  20,  52,  95, 135,  86, 101, 192, 133, 204,},
  {12,  22,  56,  96, 136,  92, 102, 199, 137, 210,},
  {13,  24,  60,  96, 136,  97, 103, 205, 140, 215,},
  {14,  26,  64,  97, 137, 103, 104, 210, 143, 219,},
  {15,  27,  68,  98, 137, 108, 105, 215, 146, 223,},
  {16,  29,  71,  98, 138, 112, 106, 219, 149, 227,},
  {17,  31,  75,  99, 138, 117, 107, 223, 152, 230,},
  {18,  32,  78, 100, 139, 121, 108, 226, 155, 233,},
  {19,  34,  82, 100, 139, 126, 109, 229, 158, 235,},
  {20,  36,  85, 101, 140, 130, 110, 231, 161, 238,},
  {21,  37,  88, 102, 140, 134, 111, 234, 164, 239,},
  {22,  39,  91, 102, 141, 138, 112, 236, 167, 241,},
  {23,  40,  94, 103, 141, 141, 113, 238, 169, 243,},
  {24,  42,  97, 104, 142, 145, 114, 240, 172, 244,},
  {25,  44, 100, 104, 142, 149, 115, 241, 174, 245,},
  {26,  45, 103, 105, 143, 152, 116, 243, 177, 246,},
  {27,  47, 106, 105, 143, 155, 117, 244, 179, 247,},
  {28,  48, 109, 106, 143, 158, 118, 245, 182, 248,},
  {29,  50, 112, 107, 144, 161, 119, 246, 184, 249,},
  {30,  52, 115, 107, 144, 164, 120, 247, 186, 250,},
  {31,  53, 117, 108, 145, 167, 121, 248, 188, 250,},
  {32,  55, 120, 109, 145, 170, 122, 249, 190, 251,},
  {33,  56, 122, 109, 146, 173, 123, 249, 192, 252,},
  {34,  58, 125, 110, 146, 175, 124, 250, 194, 252,},
  {35,  59, 127, 110, 147, 178, 125, 251, 196, 252,},
  {36,  61, 130, 111, 147, 180, 126, 251, 198, 253,},
  {37,  62, 132, 112, 147, 183, 127, 251, 200, 253,},
  {38,  64, 135, 112, 148, 185, 128, 252, 202, 253,},
  {39,  65, 137, 113, 148, 187, 129, 252, 204, 254,},
  {40,  67, 139, 114, 149, 189, 130, 253, 205, 254,},
  {41,  68, 141, 114, 149, 191, 131, 253, 207, 254,},
  {42,  70, 144, 115, 150, 193, 132, 253, 209, 254,},
  {43,  71, 146, 115, 150, 195, 133, 254, 210, 254,},
  {44,  72, 148, 116, 151, 197, 134, 254, 212, 255,},
  {45,  74, 150, 117, 151, 199, 135, 254, 213, 255,},
  {46,  75, 152, 117, 151, 201, 136, 254, 215, 255,},
  {47,  77, 154, 118, 152, 202, 137, 254, 216, 255,},
  {48,  78, 156, 119, 152, 204, 138, 254, 217, 255,},
  {49,  80, 158, 119, 153, 206, 139, 255, 219, 255,},
  {50,  81, 160, 120, 153, 207, 140, 255, 220, 255,},
  {51,  82, 162, 120, 154, 209, 141, 255, 221, 255,},
  {52,  84, 164, 121, 154, 210, 142, 255, 222, 255,},
  {53,  85, 165, 122, 155, 212, 143, 255, 224, 255,},
  {54,  87, 167, 122, 155, 213, 144, 255, 225, 255,},
  {55,  88, 169, 123, 155, 215, 145, 255, 226, 255,},
  {56,  89, 171, 124, 156, 216, 146, 255, 227, 255,},
  {57,  91, 172, 124, 156, 217, 146, 255, 228, 255,},
  {58,  92, 174, 125, 157, 218, 147, 255, 229, 255,},
  {59,  93, 176, 126, 157, 220, 148, 255, 230, 255,},
  {60,  95, 177, 126, 158, 221, 149, 255, 231, 255,},
  {61,  96, 179, 127, 158, 222, 150, 255, 232, 255,},
  {62,  97, 180, 127, 159, 223, 151, 255, 232, 255,},
  {63,  99, 182, 128, 159, 224, 152, 255, 233, 255,},
  {64, 100, 183, 129, 159, 225, 153, 255, 234, 255,},
  {65, 101, 185, 129, 160, 226, 154, 255, 235, 255,},
  {66, 103, 186, 130, 160, 227, 155, 255, 236, 255,},
  {67, 104, 188, 131, 161, 228, 156, 255, 236, 255,},
  {68, 105, 189, 131, 161, 229, 157, 255, 237, 255,},
  {69, 106, 190, 132, 162, 230, 158, 255, 238, 255,},
  {70, 108, 192, 133, 162, 231, 159, 255, 238, 255,},
  {71, 109, 193, 133, 162, 231, 159, 255, 239, 255,},
  {72, 110, 194, 134, 163, 232, 160, 255, 240, 255,},
  {73, 111, 196, 134, 163, 233, 161, 255, 240, 255,},
  {74, 113, 197, 135, 164, 234, 162, 255, 241, 255,},
  {75, 114, 198, 136, 164, 235, 163, 255, 241, 255,},
  {76, 115, 199, 136, 165, 235, 164, 255, 242, 255,},
  {77, 116, 200, 137, 165, 236, 165, 255, 243, 255,},
  {78, 118, 202, 138, 166, 237, 166, 255, 243, 255,},
  {79, 119, 203, 138, 166, 237, 167, 255, 244, 255,},
  {80, 120, 204, 139, 167, 238, 168, 255, 244, 255,},
  {81, 121, 205, 140, 167, 239, 168, 255, 244, 255,},
  {82, 123, 206, 140, 167, 239, 169, 255, 245, 255,},
  {83, 124, 207, 141, 168, 240, 170, 255, 245, 255,},
  {84, 125, 208, 142, 168, 240, 171, 255, 246, 255,},
  {85, 126, 209, 142, 169, 241, 172, 255, 246, 255,},
  {86, 127, 210, 143, 169, 241, 173, 255, 247, 255,},
  {87, 129, 211, 144, 170, 242, 174, 255, 247, 255,},
  {88, 130, 212, 144, 170, 242, 175, 255, 247, 255,},
  {89, 131, 213, 145, 171, 243, 175, 255, 248, 255,},
  {90, 132, 214, 146, 171, 243, 176, 255, 248, 255,},
  {91, 133, 215, 146, 171, 244, 177, 255, 248, 255,},
  {92, 134, 216, 147, 172, 244, 178, 255, 249, 255,},
  {93, 136, 217, 148, 172, 245, 179, 255, 249, 255,},
  {94, 137, 218, 148, 173, 245, 180, 255, 249, 255,},
  {95, 138, 219, 149, 173, 245, 181, 255, 249, 255,},
  {96, 139, 220, 150, 174, 246, 181, 255, 250, 255,},
  {97, 140, 220, 150, 174, 246, 182, 255, 250, 255,},
  {98, 141, 221, 151, 175, 247, 183, 255, 250, 255,},
  {99, 142, 222, 152, 175, 247, 184, 255, 250, 255,},
  {100, 144, 223, 152, 176, 247, 185, 255, 251, 255,},
  {101, 145, 224, 153, 176, 248, 186, 255, 251, 255,},
  {102, 146, 224, 154, 177, 248, 186, 255, 251, 255,},
  {103, 147, 225, 154, 177, 248, 187, 255, 251, 255,},
  {104, 148, 226, 155, 177, 248, 188, 255, 252, 255,},
  {105, 149, 226, 156, 178, 249, 189, 255, 252, 255,},
  {106, 150, 227, 156, 178, 249, 190, 255, 252, 255,},
  {107, 151, 228, 157, 179, 249, 191, 255, 252, 255,},
  {108, 152, 229, 158, 179, 250, 191, 255, 252, 255,},
  {109, 153, 229, 158, 180, 250, 192, 255, 252, 255,},
  {110, 154, 230, 159, 180, 250, 193, 255, 253, 255,},
  {111, 155, 231, 160, 181, 250, 194, 255, 253, 255,},
  {112, 157, 231, 160, 181, 251, 195, 255, 253, 255,},
  {113, 158, 232, 161, 182, 251, 195, 255, 253, 255,},
  {114, 159, 232, 162, 182, 251, 196, 255, 253, 255,},
  {115, 160, 233, 162, 183, 251, 197, 255, 253, 255,},
  {116, 161, 234, 163, 183, 251, 198, 255, 253, 255,},
  {117, 162, 234, 164, 184, 252, 198, 255, 254, 255,},
  {118, 163, 235, 165, 184, 252, 199, 255, 254, 255,},
  {119, 164, 235, 165, 185, 252, 200, 255, 254, 255,},
  {120, 165, 236, 166, 185, 252, 201, 255, 254, 255,},
  {121, 166, 236, 167, 186, 252, 201, 255, 254, 255,},
  {122, 167, 237, 167, 186, 252, 202, 255, 254, 255,},
  {123, 168, 237, 168, 186, 253, 203, 255, 254, 255,},
  {124, 169, 238, 169, 187, 253, 204, 255, 254, 255,},
  {125, 170, 238, 169, 187, 253, 204, 255, 254, 255,},
  {126, 171, 239, 170, 188, 253, 205, 255, 254, 255,},
  {127, 172, 239, 171, 188, 253, 206, 255, 254, 255,},
  {128, 173, 240, 171, 189, 253, 207, 255, 255, 255,},
  {129, 174, 240, 172, 189, 253, 207, 255, 255, 255,},
  {130, 175, 241, 173, 190, 253, 208, 255, 255, 255,},
  {131, 176, 241, 174, 190, 254, 209, 255, 255, 255,},
  {132, 177, 241, 174, 191, 254, 209, 255, 255, 255,},
  {133, 178, 242, 175, 191, 254, 210, 255, 255, 255,},
  {134, 179, 242, 176, 192, 254, 211, 255, 255, 255,},
  {135, 180, 243, 176, 192, 254, 212, 255, 255, 255,},
  {136, 180, 243, 177, 193, 254, 212, 255, 255, 255,},
  {137, 181, 243, 178, 193, 254, 213, 255, 255, 255,},
  {138, 182, 244, 179, 194, 254, 214, 255, 255, 255,},
  {139, 183, 244, 179, 194, 254, 214, 255, 255, 255,},
  {140, 184, 244, 180, 195, 254, 215, 255, 255, 255,},
  {141, 185, 245, 181, 195, 254, 216, 255, 255, 255,},
  {142, 186, 245, 181, 196, 255, 216, 255, 255, 255,},
  {143, 187, 245, 182, 196, 255, 217, 255, 255, 255,},
  {144, 188, 246, 183, 197, 255, 218, 255, 255, 255,},
  {145, 189, 246, 183, 197, 255, 218, 255, 255, 255,},
  {146, 190, 246, 184, 198, 255, 219, 255, 255, 255,},
  {147, 191, 247, 185, 198, 255, 220, 255, 255, 255,},
  {148, 191, 247, 186, 199, 255, 220, 255, 255, 255,},
  {149, 192, 247, 186, 199, 255, 221, 255, 255, 255,},
  {150, 193, 248, 187, 200, 255, 221, 255, 255, 255,},
  {151, 194, 248, 188, 200, 255, 222, 255, 255, 255,},
  {152, 195, 248, 188, 201, 255, 223, 255, 255, 255,},
  {153, 196, 248, 189, 201, 255, 223, 255, 255, 255,},
  {154, 197, 249, 190, 202, 255, 224, 255, 255, 255,},
  {155, 198, 249, 191, 202, 255, 224, 255, 255, 255,},
  {156, 198, 249, 191, 203, 255, 225, 255, 255, 255,},
  {157, 199, 249, 192, 203, 255, 226, 255, 255, 255,},
  {158, 200, 250, 193, 204, 255, 226, 255, 255, 255,},
  {159, 201, 250, 193, 204, 255, 227, 255, 255, 255,},
  {160, 202, 250, 194, 205, 255, 227, 255, 255, 255,},
  {161, 203, 250, 195, 206, 255, 228, 255, 255, 255,},
  {162, 203, 250, 196, 206, 255, 228, 255, 255, 255,},
  {163, 204, 251, 196, 207, 255, 229, 255, 255, 255,},
  {164, 205, 251, 197, 207, 255, 229, 255, 255, 255,},
  {165, 206, 251, 198, 208, 255, 230, 255, 255, 255,},
  {166, 207, 251, 198, 208, 255, 231, 255, 255, 255,},
  {167, 207, 251, 199, 209, 255, 231, 255, 255, 255,},
  {168, 208, 252, 200, 209, 255, 232, 255, 255, 255,},
  {169, 209, 252, 201, 210, 255, 232, 255, 255, 255,},
  {170, 210, 252, 201, 210, 255, 233, 255, 255, 255,},
  {171, 211, 252, 202, 211, 255, 233, 255, 255, 255,},
  {172, 211, 252, 203, 211, 255, 234, 255, 255, 255,},
  {173, 212, 252, 203, 212, 255, 234, 255, 255, 255,},
  {174, 213, 252, 204, 212, 255, 235, 255, 255, 255,},
  {175, 214, 253, 205, 213, 255, 235, 255, 255, 255,},
  {176, 214, 253, 206, 213, 255, 236, 255, 255, 255,},
  {177, 215, 253, 206, 214, 255, 236, 255, 255, 255,},
  {178, 216, 253, 207, 214, 255, 237, 255, 255, 255,},
  {179, 217, 253, 208, 215, 255, 237, 255, 255, 255,},
  {180, 217, 253, 208, 216, 255, 237, 255, 255, 255,},
  {181, 218, 253, 209, 216, 255, 238, 255, 255, 255,},
  {182, 219, 254, 210, 217, 255, 238, 255, 255, 255,},
  {183, 220, 254, 211, 217, 255, 239, 255, 255, 255,},
  {184, 220, 254, 211, 218, 255, 239, 255, 255, 255,},
  {185, 221, 254, 212, 218, 255, 240, 255, 255, 255,},
  {186, 222, 254, 213, 219, 255, 240, 255, 255, 255,},
  {187, 222, 254, 213, 219, 255, 241, 255, 255, 255,},
  {188, 223, 254, 214, 220, 255, 241, 255, 255, 255,},
  {189, 224, 254, 215, 220, 255, 241, 255, 255, 255,},
  {190, 225, 254, 215, 221, 255, 242, 255, 255, 255,},
  {191, 225, 254, 216, 221, 255, 242, 255, 255, 255,},
  {192, 226, 254, 217, 222, 255, 243, 255, 255, 255,},
  {193, 227, 255, 218, 223, 255, 243, 255, 255, 255,},
  {194, 227, 255, 218, 223, 255, 243, 255, 255, 255,},
  {195, 228, 255, 219, 224, 255, 244, 255, 255, 255,},
  {196, 229, 255, 220, 224, 255, 244, 255, 255, 255,},
  {197, 229, 255, 220, 225, 255, 244, 255, 255, 255,},
  {198, 230, 255, 221, 225, 255, 245, 255, 255, 255,},
  {199, 230, 255, 222, 226, 255, 245, 255, 255, 255,},
  {200, 231, 255, 222, 226, 255, 246, 255, 255, 255,},
  {201, 232, 255, 223, 227, 255, 246, 255, 255, 255,},
  {202, 232, 255, 224, 228, 255, 246, 255, 255, 255,},
  {203, 233, 255, 224, 228, 255, 247, 255, 255, 255,},
  {204, 234, 255, 225, 229, 255, 247, 255, 255, 255,},
  {205, 234, 255, 226, 229, 255, 247, 255, 255, 255,},
  {206, 235, 255, 227, 230, 255, 248, 255, 255, 255,},
  {207, 235, 255, 227, 230, 255, 248, 255, 255, 255,},
  {208, 236, 255, 228, 231, 255, 248, 255, 255, 255,},
  {209, 237, 255, 229, 231, 255, 248, 255, 255, 255,},
  {210, 237, 255, 229, 232, 255, 249, 255, 255, 255,},
  {211, 238, 255, 230, 233, 255, 249, 255, 255, 255,},
  {212, 238, 255, 231, 233, 255, 249, 255, 255, 255,},
  {213, 239, 255, 231, 234, 255, 250, 255, 255, 255,},
  {214, 239, 255, 232, 234, 255, 250, 255, 255, 255,},
  {215, 240, 255, 233, 235, 255, 250, 255, 255, 255,},
  {216, 241, 255, 233, 235, 255, 250, 255, 255, 255,},
  {217, 241, 255, 234, 236, 255, 251, 255, 255, 255,},
  {218, 242, 255, 235, 236, 255, 251, 255, 255, 255,},
  {219, 242, 255, 235, 237, 255, 251, 255, 255, 255,},
  {220, 243, 255, 236, 237, 255, 251, 255, 255, 255,},
  {221, 243, 255, 236, 238, 255, 252, 255, 255, 255,},
  {222, 244, 255, 237, 239, 255, 252, 255, 255, 255,},
  {223, 244, 255, 238, 239, 255, 252, 255, 255, 255,},
  {224, 245, 255, 238, 240, 255, 252, 255, 255, 255,},
  {225, 245, 255, 239, 240, 255, 252, 255, 255, 255,},
  {226, 246, 255, 240, 241, 255, 253, 255, 255, 255,},
  {227, 246, 255, 240, 241, 255, 253, 255, 255, 255,},
  {228, 247, 255, 241, 242, 255, 253, 255, 255, 255,},
  {229, 247, 255, 242, 242, 255, 253, 255, 255, 255,},
  {230, 248, 255, 242, 243, 255, 253, 255, 255, 255,},
  {231, 248, 255, 243, 244, 255, 254, 255, 255, 255,},
  {232, 248, 255, 243, 244, 255, 254, 255, 255, 255,},
  {233, 249, 255, 244, 245, 255, 254, 255, 255, 255,},
  {234, 249, 255, 245, 245, 255, 254, 255, 255, 255,},
  {235, 250, 255, 245, 246, 255, 254, 255, 255, 255,},
  {236, 250, 255, 246, 246, 255, 254, 255, 255, 255,},
  {237, 251, 255, 246, 247, 255, 255, 255, 255, 255,},
  {238, 251, 255, 247, 247, 255, 255, 255, 255, 255,},
  {239, 251, 255, 248, 248, 255, 255, 255, 255, 255,},
  {240, 252, 255, 248, 248, 255, 255, 255, 255, 255,},
  {241, 252, 255, 249, 249, 255, 255, 255, 255, 255,},
  {242, 252, 255, 249, 249, 255, 255, 255, 255, 255,},
  {243, 253, 255, 250, 250, 255, 255, 255, 255, 255,},
  {244, 253, 255, 250, 250, 255, 255, 255, 255, 255,},
  {245, 253, 255, 251, 251, 255, 255, 255, 255, 255,},
  {246, 254, 255, 251, 251, 255, 255, 255, 255, 255,},
  {247, 254, 255, 252, 252, 255, 255, 255, 255, 255,},
  {248, 254, 255, 252, 252, 255, 255, 255, 255, 255,},
  {249, 255, 255, 253, 253, 255, 255, 255, 255, 255,},
  {250, 255, 255, 253, 253, 255, 255, 255, 255, 255,},
  {251, 255, 255, 254, 254, 255, 255, 255, 255, 255,},
  {252, 255, 255, 254, 254, 255, 255, 255, 255, 255,},
  {253, 255, 255, 255, 255, 255, 255, 255, 255, 255,},
  {254, 255, 255, 255, 255, 255, 255, 255, 255, 255,},
  {255, 255, 255, 255, 255, 255, 255, 255, 255, 255,}
};

const vp9_prob vp9_modelcoefprobs_gg625[COEFPROB_MODELS][ENTROPY_NODES - 1] = {
  // Probs generated with a Generalized Gaussian (with shape parameter 0.625)
  // source model with varying quantizer step size for a uniform quantizer
  {0,   0,   0,   0,   0,   0,   0,   0,   0,   0,},  // do not use
  {1,   2,   6,  88, 130,  10,  88,  35,  94,  40,},
  {2,   4,  11,  89, 131,  19,  90,  60,  99,  67,},
  {3,   6,  15,  90, 132,  27,  92,  80, 103,  88,},
  {4,   7,  20,  91, 132,  34,  93,  97, 107, 105,},
  {5,   9,  24,  92, 133,  41,  94, 112, 110, 120,},
  {6,  11,  28,  93, 134,  48,  95, 125, 113, 132,},
  {7,  13,  33,  93, 134,  54,  97, 136, 116, 143,},
  {8,  14,  36,  94, 135,  60,  98, 146, 119, 152,},
  {9,  16,  40,  95, 135,  65,  99, 155, 122, 161,},
  {10,  18,  44,  95, 136,  70, 100, 163, 125, 168,},
  {11,  19,  48,  96, 136,  75, 101, 170, 127, 175,},
  {12,  21,  51,  97, 137,  80, 102, 176, 130, 181,},
  {13,  23,  55,  97, 137,  85, 102, 182, 132, 187,},
  {14,  24,  58,  98, 138,  89, 103, 188, 135, 192,},
  {15,  26,  61,  99, 138,  94, 104, 193, 137, 196,},
  {16,  27,  64,  99, 139,  98, 105, 197, 140, 201,},
  {17,  29,  67, 100, 139, 102, 106, 201, 142, 205,},
  {18,  30,  70, 101, 140, 106, 107, 205, 144, 208,},
  {19,  32,  73, 101, 140, 109, 108, 209, 146, 211,},
  {20,  34,  76, 102, 140, 113, 109, 212, 148, 214,},
  {21,  35,  79, 102, 141, 116, 109, 215, 151, 217,},
  {22,  37,  82, 103, 141, 120, 110, 218, 153, 220,},
  {23,  38,  85, 103, 142, 123, 111, 220, 155, 222,},
  {24,  40,  87, 104, 142, 126, 112, 223, 157, 224,},
  {25,  41,  90, 105, 143, 129, 113, 225, 159, 226,},
  {26,  42,  93, 105, 143, 132, 113, 227, 161, 228,},
  {27,  44,  95, 106, 143, 135, 114, 229, 162, 230,},
  {28,  45,  98, 106, 144, 138, 115, 230, 164, 232,},
  {29,  47, 100, 107, 144, 141, 116, 232, 166, 233,},
  {30,  48, 103, 107, 145, 144, 117, 234, 168, 235,},
  {31,  50, 105, 108, 145, 146, 117, 235, 170, 236,},
  {32,  51, 107, 108, 145, 149, 118, 236, 171, 237,},
  {33,  52, 110, 109, 146, 151, 119, 238, 173, 238,},
  {34,  54, 112, 110, 146, 154, 120, 239, 175, 239,},
  {35,  55, 114, 110, 147, 156, 120, 240, 176, 240,},
  {36,  57, 116, 111, 147, 158, 121, 241, 178, 241,},
  {37,  58, 119, 111, 147, 161, 122, 242, 180, 242,},
  {38,  59, 121, 112, 148, 163, 123, 243, 181, 243,},
  {39,  61, 123, 112, 148, 165, 123, 244, 183, 244,},
  {40,  62, 125, 113, 148, 167, 124, 244, 184, 245,},
  {41,  63, 127, 113, 149, 169, 125, 245, 186, 245,},
  {42,  65, 129, 114, 149, 171, 126, 246, 187, 246,},
  {43,  66, 131, 114, 150, 173, 126, 246, 188, 247,},
  {44,  67, 133, 115, 150, 175, 127, 247, 190, 247,},
  {45,  69, 135, 115, 150, 177, 128, 247, 191, 248,},
  {46,  70, 136, 116, 151, 178, 129, 248, 193, 248,},
  {47,  71, 138, 116, 151, 180, 129, 248, 194, 249,},
  {48,  73, 140, 117, 151, 182, 130, 249, 195, 249,},
  {49,  74, 142, 118, 152, 184, 131, 249, 197, 250,},
  {50,  75, 144, 118, 152, 185, 131, 250, 198, 250,},
  {51,  76, 145, 119, 153, 187, 132, 250, 199, 250,},
  {52,  78, 147, 119, 153, 188, 133, 251, 200, 251,},
  {53,  79, 149, 120, 153, 190, 134, 251, 201, 251,},
  {54,  80, 151, 120, 154, 192, 134, 251, 203, 251,},
  {55,  82, 152, 121, 154, 193, 135, 251, 204, 252,},
  {56,  83, 154, 121, 154, 194, 136, 252, 205, 252,},
  {57,  84, 155, 122, 155, 196, 136, 252, 206, 252,},
  {58,  85, 157, 122, 155, 197, 137, 252, 207, 252,},
  {59,  86, 158, 123, 156, 199, 138, 252, 208, 252,},
  {60,  88, 160, 123, 156, 200, 139, 253, 209, 253,},
  {61,  89, 162, 124, 156, 201, 139, 253, 210, 253,},
  {62,  90, 163, 124, 157, 202, 140, 253, 211, 253,},
  {63,  91, 164, 125, 157, 204, 141, 253, 212, 253,},
  {64,  93, 166, 125, 157, 205, 141, 253, 213, 253,},
  {65,  94, 167, 126, 158, 206, 142, 254, 214, 254,},
  {66,  95, 169, 126, 158, 207, 143, 254, 215, 254,},
  {67,  96, 170, 127, 158, 208, 143, 254, 216, 254,},
  {68,  97, 172, 127, 159, 209, 144, 254, 217, 254,},
  {69,  98, 173, 128, 159, 210, 145, 254, 218, 254,},
  {70, 100, 174, 128, 160, 212, 146, 254, 219, 254,},
  {71, 101, 176, 129, 160, 213, 146, 254, 220, 254,},
  {72, 102, 177, 130, 160, 214, 147, 254, 220, 254,},
  {73, 103, 178, 130, 161, 215, 148, 255, 221, 255,},
  {74, 104, 179, 131, 161, 216, 148, 255, 222, 255,},
  {75, 105, 181, 131, 161, 217, 149, 255, 223, 255,},
  {76, 107, 182, 132, 162, 217, 150, 255, 224, 255,},
  {77, 108, 183, 132, 162, 218, 150, 255, 224, 255,},
  {78, 109, 184, 133, 163, 219, 151, 255, 225, 255,},
  {79, 110, 185, 133, 163, 220, 152, 255, 226, 255,},
  {80, 111, 187, 134, 163, 221, 153, 255, 227, 255,},
  {81, 112, 188, 134, 164, 222, 153, 255, 227, 255,},
  {82, 113, 189, 135, 164, 223, 154, 255, 228, 255,},
  {83, 115, 190, 135, 164, 223, 155, 255, 229, 255,},
  {84, 116, 191, 136, 165, 224, 155, 255, 229, 255,},
  {85, 117, 192, 136, 165, 225, 156, 255, 230, 255,},
  {86, 118, 193, 137, 165, 226, 157, 255, 231, 255,},
  {87, 119, 194, 137, 166, 226, 157, 255, 231, 255,},
  {88, 120, 195, 138, 166, 227, 158, 255, 232, 255,},
  {89, 121, 196, 139, 167, 228, 159, 255, 232, 255,},
  {90, 122, 197, 139, 167, 229, 159, 255, 233, 255,},
  {91, 123, 198, 140, 167, 229, 160, 255, 234, 255,},
  {92, 124, 199, 140, 168, 230, 161, 255, 234, 255,},
  {93, 125, 200, 141, 168, 231, 162, 255, 235, 255,},
  {94, 127, 201, 141, 168, 231, 162, 255, 235, 255,},
  {95, 128, 202, 142, 169, 232, 163, 255, 236, 255,},
  {96, 129, 203, 142, 169, 232, 164, 255, 236, 255,},
  {97, 130, 204, 143, 170, 233, 164, 255, 237, 255,},
  {98, 131, 205, 143, 170, 234, 165, 255, 237, 255,},
  {99, 132, 206, 144, 170, 234, 166, 255, 238, 255,},
  {100, 133, 207, 144, 171, 235, 166, 255, 238, 255,},
  {101, 134, 208, 145, 171, 235, 167, 255, 239, 255,},
  {102, 135, 209, 146, 171, 236, 168, 255, 239, 255,},
  {103, 136, 209, 146, 172, 236, 168, 255, 240, 255,},
  {104, 137, 210, 147, 172, 237, 169, 255, 240, 255,},
  {105, 138, 211, 147, 173, 237, 170, 255, 240, 255,},
  {106, 139, 212, 148, 173, 238, 170, 255, 241, 255,},
  {107, 140, 213, 148, 173, 238, 171, 255, 241, 255,},
  {108, 141, 213, 149, 174, 239, 172, 255, 242, 255,},
  {109, 142, 214, 149, 174, 239, 172, 255, 242, 255,},
  {110, 143, 215, 150, 175, 240, 173, 255, 242, 255,},
  {111, 144, 216, 151, 175, 240, 174, 255, 243, 255,},
  {112, 145, 217, 151, 175, 240, 174, 255, 243, 255,},
  {113, 146, 217, 152, 176, 241, 175, 255, 244, 255,},
  {114, 147, 218, 152, 176, 241, 176, 255, 244, 255,},
  {115, 148, 219, 153, 176, 242, 177, 255, 244, 255,},
  {116, 149, 219, 153, 177, 242, 177, 255, 245, 255,},
  {117, 150, 220, 154, 177, 242, 178, 255, 245, 255,},
  {118, 151, 221, 155, 178, 243, 179, 255, 245, 255,},
  {119, 152, 222, 155, 178, 243, 179, 255, 245, 255,},
  {120, 153, 222, 156, 178, 244, 180, 255, 246, 255,},
  {121, 154, 223, 156, 179, 244, 181, 255, 246, 255,},
  {122, 155, 224, 157, 179, 244, 181, 255, 246, 255,},
  {123, 156, 224, 157, 180, 245, 182, 255, 247, 255,},
  {124, 157, 225, 158, 180, 245, 183, 255, 247, 255,},
  {125, 158, 225, 159, 180, 245, 183, 255, 247, 255,},
  {126, 159, 226, 159, 181, 246, 184, 255, 247, 255,},
  {127, 160, 227, 160, 181, 246, 185, 255, 248, 255,},
  {128, 161, 227, 160, 182, 246, 185, 255, 248, 255,},
  {129, 162, 228, 161, 182, 246, 186, 255, 248, 255,},
  {130, 163, 228, 161, 182, 247, 187, 255, 248, 255,},
  {131, 164, 229, 162, 183, 247, 187, 255, 249, 255,},
  {132, 165, 230, 163, 183, 247, 188, 255, 249, 255,},
  {133, 166, 230, 163, 184, 248, 189, 255, 249, 255,},
  {134, 166, 231, 164, 184, 248, 189, 255, 249, 255,},
  {135, 167, 231, 164, 184, 248, 190, 255, 250, 255,},
  {136, 168, 232, 165, 185, 248, 191, 255, 250, 255,},
  {137, 169, 232, 166, 185, 248, 191, 255, 250, 255,},
  {138, 170, 233, 166, 186, 249, 192, 255, 250, 255,},
  {139, 171, 233, 167, 186, 249, 192, 255, 250, 255,},
  {140, 172, 234, 167, 187, 249, 193, 255, 251, 255,},
  {141, 173, 234, 168, 187, 249, 194, 255, 251, 255,},
  {142, 174, 235, 169, 187, 250, 194, 255, 251, 255,},
  {143, 175, 235, 169, 188, 250, 195, 255, 251, 255,},
  {144, 176, 236, 170, 188, 250, 196, 255, 251, 255,},
  {145, 177, 236, 170, 189, 250, 196, 255, 251, 255,},
  {146, 177, 237, 171, 189, 250, 197, 255, 252, 255,},
  {147, 178, 237, 172, 189, 251, 198, 255, 252, 255,},
  {148, 179, 238, 172, 190, 251, 198, 255, 252, 255,},
  {149, 180, 238, 173, 190, 251, 199, 255, 252, 255,},
  {150, 181, 238, 173, 191, 251, 200, 255, 252, 255,},
  {151, 182, 239, 174, 191, 251, 200, 255, 252, 255,},
  {152, 183, 239, 175, 192, 251, 201, 255, 252, 255,},
  {153, 184, 240, 175, 192, 252, 202, 255, 252, 255,},
  {154, 184, 240, 176, 193, 252, 202, 255, 253, 255,},
  {155, 185, 240, 177, 193, 252, 203, 255, 253, 255,},
  {156, 186, 241, 177, 193, 252, 203, 255, 253, 255,},
  {157, 187, 241, 178, 194, 252, 204, 255, 253, 255,},
  {158, 188, 242, 178, 194, 252, 205, 255, 253, 255,},
  {159, 189, 242, 179, 195, 252, 205, 255, 253, 255,},
  {160, 190, 242, 180, 195, 253, 206, 255, 253, 255,},
  {161, 190, 243, 180, 196, 253, 207, 255, 253, 255,},
  {162, 191, 243, 181, 196, 253, 207, 255, 254, 255,},
  {163, 192, 243, 182, 197, 253, 208, 255, 254, 255,},
  {164, 193, 244, 182, 197, 253, 209, 255, 254, 255,},
  {165, 194, 244, 183, 197, 253, 209, 255, 254, 255,},
  {166, 195, 244, 184, 198, 253, 210, 255, 254, 255,},
  {167, 196, 245, 184, 198, 253, 210, 255, 254, 255,},
  {168, 196, 245, 185, 199, 253, 211, 255, 254, 255,},
  {169, 197, 245, 186, 199, 254, 212, 255, 254, 255,},
  {170, 198, 246, 186, 200, 254, 212, 255, 254, 255,},
  {171, 199, 246, 187, 200, 254, 213, 255, 254, 255,},
  {172, 200, 246, 188, 201, 254, 214, 255, 254, 255,},
  {173, 200, 246, 188, 201, 254, 214, 255, 254, 255,},
  {174, 201, 247, 189, 202, 254, 215, 255, 254, 255,},
  {175, 202, 247, 189, 202, 254, 215, 255, 255, 255,},
  {176, 203, 247, 190, 203, 254, 216, 255, 255, 255,},
  {177, 204, 248, 191, 203, 254, 217, 255, 255, 255,},
  {178, 204, 248, 191, 204, 254, 217, 255, 255, 255,},
  {179, 205, 248, 192, 204, 254, 218, 255, 255, 255,},
  {180, 206, 248, 193, 204, 254, 218, 255, 255, 255,},
  {181, 207, 249, 194, 205, 255, 219, 255, 255, 255,},
  {182, 208, 249, 194, 205, 255, 220, 255, 255, 255,},
  {183, 208, 249, 195, 206, 255, 220, 255, 255, 255,},
  {184, 209, 249, 196, 206, 255, 221, 255, 255, 255,},
  {185, 210, 250, 196, 207, 255, 221, 255, 255, 255,},
  {186, 211, 250, 197, 207, 255, 222, 255, 255, 255,},
  {187, 211, 250, 198, 208, 255, 223, 255, 255, 255,},
  {188, 212, 250, 198, 208, 255, 223, 255, 255, 255,},
  {189, 213, 250, 199, 209, 255, 224, 255, 255, 255,},
  {190, 214, 251, 200, 209, 255, 224, 255, 255, 255,},
  {191, 215, 251, 200, 210, 255, 225, 255, 255, 255,},
  {192, 215, 251, 201, 211, 255, 225, 255, 255, 255,},
  {193, 216, 251, 202, 211, 255, 226, 255, 255, 255,},
  {194, 217, 251, 203, 212, 255, 227, 255, 255, 255,},
  {195, 218, 252, 203, 212, 255, 227, 255, 255, 255,},
  {196, 218, 252, 204, 213, 255, 228, 255, 255, 255,},
  {197, 219, 252, 205, 213, 255, 228, 255, 255, 255,},
  {198, 220, 252, 205, 214, 255, 229, 255, 255, 255,},
  {199, 221, 252, 206, 214, 255, 229, 255, 255, 255,},
  {200, 221, 252, 207, 215, 255, 230, 255, 255, 255,},
  {201, 222, 252, 208, 215, 255, 231, 255, 255, 255,},
  {202, 223, 253, 208, 216, 255, 231, 255, 255, 255,},
  {203, 223, 253, 209, 216, 255, 232, 255, 255, 255,},
  {204, 224, 253, 210, 217, 255, 232, 255, 255, 255,},
  {205, 225, 253, 211, 218, 255, 233, 255, 255, 255,},
  {206, 226, 253, 211, 218, 255, 233, 255, 255, 255,},
  {207, 226, 253, 212, 219, 255, 234, 255, 255, 255,},
  {208, 227, 253, 213, 219, 255, 234, 255, 255, 255,},
  {209, 228, 254, 214, 220, 255, 235, 255, 255, 255,},
  {210, 228, 254, 214, 220, 255, 236, 255, 255, 255,},
  {211, 229, 254, 215, 221, 255, 236, 255, 255, 255,},
  {212, 230, 254, 216, 222, 255, 237, 255, 255, 255,},
  {213, 230, 254, 217, 222, 255, 237, 255, 255, 255,},
  {214, 231, 254, 217, 223, 255, 238, 255, 255, 255,},
  {215, 232, 254, 218, 223, 255, 238, 255, 255, 255,},
  {216, 233, 254, 219, 224, 255, 239, 255, 255, 255,},
  {217, 233, 254, 220, 225, 255, 239, 255, 255, 255,},
  {218, 234, 255, 220, 225, 255, 240, 255, 255, 255,},
  {219, 235, 255, 221, 226, 255, 240, 255, 255, 255,},
  {220, 235, 255, 222, 226, 255, 241, 255, 255, 255,},
  {221, 236, 255, 223, 227, 255, 241, 255, 255, 255,},
  {222, 237, 255, 224, 228, 255, 242, 255, 255, 255,},
  {223, 237, 255, 224, 228, 255, 242, 255, 255, 255,},
  {224, 238, 255, 225, 229, 255, 243, 255, 255, 255,},
  {225, 238, 255, 226, 230, 255, 243, 255, 255, 255,},
  {226, 239, 255, 227, 230, 255, 244, 255, 255, 255,},
  {227, 240, 255, 228, 231, 255, 244, 255, 255, 255,},
  {228, 240, 255, 228, 232, 255, 245, 255, 255, 255,},
  {229, 241, 255, 229, 232, 255, 245, 255, 255, 255,},
  {230, 242, 255, 230, 233, 255, 246, 255, 255, 255,},
  {231, 242, 255, 231, 234, 255, 246, 255, 255, 255,},
  {232, 243, 255, 232, 234, 255, 247, 255, 255, 255,},
  {233, 243, 255, 233, 235, 255, 247, 255, 255, 255,},
  {234, 244, 255, 233, 236, 255, 247, 255, 255, 255,},
  {235, 245, 255, 234, 236, 255, 248, 255, 255, 255,},
  {236, 245, 255, 235, 237, 255, 248, 255, 255, 255,},
  {237, 246, 255, 236, 238, 255, 249, 255, 255, 255,},
  {238, 247, 255, 237, 239, 255, 249, 255, 255, 255,},
  {239, 247, 255, 238, 239, 255, 250, 255, 255, 255,},
  {240, 248, 255, 239, 240, 255, 250, 255, 255, 255,},
  {241, 248, 255, 240, 241, 255, 251, 255, 255, 255,},
  {242, 249, 255, 241, 242, 255, 251, 255, 255, 255,},
  {243, 249, 255, 241, 243, 255, 251, 255, 255, 255,},
  {244, 250, 255, 242, 243, 255, 252, 255, 255, 255,},
  {245, 251, 255, 243, 244, 255, 252, 255, 255, 255,},
  {246, 251, 255, 244, 245, 255, 253, 255, 255, 255,},
  {247, 252, 255, 245, 246, 255, 253, 255, 255, 255,},
  {248, 252, 255, 246, 247, 255, 253, 255, 255, 255,},
  {249, 253, 255, 247, 248, 255, 254, 255, 255, 255,},
  {250, 253, 255, 248, 249, 255, 254, 255, 255, 255,},
  {251, 254, 255, 249, 250, 255, 254, 255, 255, 255,},
  {252, 254, 255, 251, 251, 255, 255, 255, 255, 255,},
  {253, 255, 255, 252, 252, 255, 255, 255, 255, 255,},
  {254, 255, 255, 253, 253, 255, 255, 255, 255, 255,},
  {255, 255, 255, 254, 254, 255, 255, 255, 255, 255,},
};

#else

const vp9_prob vp9_modelcoefprobs_gg75p1[COEFPROB_MODELS][ENTROPY_NODES - 1] = {
  // Probs generated with a Generalized Gaussian (with shape parameter 0.75)
  // source model with varying quantizer step size for a uniform quantizer
  {1,   1,   3,  86, 129,   6,  87,  21,  90,  26,},
  {2,   3,   9,  87, 130,  16,  89,  55,  96,  65,},
  {3,   5,  14,  88, 130,  26,  90,  82, 101,  95,},
  {4,   7,  20,  89, 131,  35,  92, 105, 105, 119,},
  {5,   9,  25,  90, 132,  44,  93, 124, 110, 138,},
  {6,  11,  30,  91, 132,  52,  95, 141, 114, 155,},
  {7,  13,  35,  92, 133,  60,  96, 155, 118, 168,},
  {8,  15,  40,  93, 134,  68,  97, 167, 123, 180,},
  {9,  17,  44,  94, 134,  75,  99, 178, 127, 190,},
  {10,  19,  49,  94, 135,  82, 100, 187, 131, 199,},
  {11,  21,  54,  95, 135,  88, 101, 195, 135, 206,},
  {13,  23,  58,  96, 136,  95, 102, 202, 138, 213,},
  {14,  25,  63,  97, 137, 101, 104, 209, 142, 218,},
  {15,  27,  67,  98, 137, 107, 105, 214, 146, 223,},
  {16,  29,  71,  98, 138, 113, 106, 219, 150, 227,},
  {17,  31,  76,  99, 138, 118, 107, 223, 153, 231,},
  {18,  33,  80, 100, 139, 123, 109, 227, 157, 234,},
  {20,  35,  84, 101, 140, 128, 110, 231, 160, 237,},
  {21,  37,  88, 102, 140, 133, 111, 234, 164, 239,},
  {22,  39,  92, 102, 141, 138, 112, 236, 167, 241,},
  {23,  41,  95, 103, 141, 143, 114, 238, 170, 243,},
  {25,  43,  99, 104, 142, 147, 115, 241, 173, 245,},
  {26,  45, 103, 105, 142, 151, 116, 242, 176, 246,},
  {27,  47, 107, 105, 143, 156, 117, 244, 180, 248,},
  {28,  49, 110, 106, 144, 159, 119, 245, 182, 249,},
  {30,  51, 114, 107, 144, 163, 120, 247, 185, 250,},
  {31,  53, 117, 108, 145, 167, 121, 248, 188, 250,},
  {32,  55, 121, 109, 145, 171, 123, 249, 191, 251,},
  {34,  57, 124, 110, 146, 174, 124, 250, 194, 252,},
  {35,  59, 127, 110, 147, 177, 125, 250, 196, 252,},
  {36,  61, 130, 111, 147, 181, 127, 251, 199, 253,},
  {38,  63, 134, 112, 148, 184, 128, 252, 201, 253,},
  {39,  65, 137, 113, 148, 187, 129, 252, 204, 254,},
  {40,  67, 140, 114, 149, 190, 130, 253, 206, 254,},
  {42,  69, 143, 115, 150, 192, 132, 253, 208, 254,},
  {43,  71, 146, 115, 150, 195, 133, 254, 210, 254,},
  {44,  73, 149, 116, 151, 198, 134, 254, 212, 255,},
  {46,  75, 152, 117, 151, 200, 136, 254, 214, 255,},
  {47,  77, 154, 118, 152, 203, 137, 254, 216, 255,},
  {49,  79, 157, 119, 153, 205, 139, 255, 218, 255,},
  {50,  81, 160, 120, 153, 207, 140, 255, 220, 255,},
  {51,  83, 163, 121, 154, 210, 141, 255, 222, 255,},
  {53,  85, 165, 122, 154, 212, 143, 255, 223, 255,},
  {54,  87, 168, 123, 155, 214, 144, 255, 225, 255,},
  {56,  89, 170, 123, 156, 216, 145, 255, 227, 255,},
  {57,  91, 173, 124, 156, 218, 147, 255, 228, 255,},
  {59,  93, 175, 125, 157, 219, 148, 255, 230, 255,},
  {60,  95, 178, 126, 158, 221, 150, 255, 231, 255,},
  {62,  97, 180, 127, 158, 223, 151, 255, 232, 255,},
  {63,  99, 182, 128, 159, 224, 152, 255, 234, 255,},
  {65, 101, 184, 129, 160, 226, 154, 255, 235, 255,},
  {66, 103, 187, 130, 160, 227, 155, 255, 236, 255,},
  {68, 105, 189, 131, 161, 229, 157, 255, 237, 255,},
  {69, 107, 191, 132, 162, 230, 158, 255, 238, 255,},
  {71, 109, 193, 133, 163, 232, 159, 255, 239, 255,},
  {73, 111, 195, 134, 163, 233, 161, 255, 240, 255,},
  {74, 113, 197, 135, 164, 234, 162, 255, 241, 255,},
  {76, 115, 199, 136, 165, 235, 164, 255, 242, 255,},
  {77, 117, 201, 137, 165, 236, 165, 255, 243, 255,},
  {79, 119, 203, 138, 166, 237, 167, 255, 244, 255,},
  {81, 121, 205, 139, 167, 238, 168, 255, 244, 255,},
  {82, 123, 206, 141, 168, 239, 170, 255, 245, 255,},
  {84, 125, 208, 142, 168, 240, 171, 255, 246, 255,},
  {86, 127, 210, 143, 169, 241, 173, 255, 246, 255,},
  {87, 129, 212, 144, 170, 242, 174, 255, 247, 255,},
  {89, 131, 213, 145, 171, 243, 176, 255, 248, 255,},
  {91, 133, 215, 146, 171, 244, 177, 255, 248, 255,},
  {93, 135, 216, 147, 172, 244, 179, 255, 249, 255,},
  {94, 137, 218, 148, 173, 245, 180, 255, 249, 255,},
  {96, 139, 220, 150, 174, 246, 181, 255, 250, 255,},
  {98, 141, 221, 151, 175, 246, 183, 255, 250, 255,},
  {100, 143, 222, 152, 175, 247, 184, 255, 251, 255,},
  {101, 145, 224, 153, 176, 248, 186, 255, 251, 255,},
  {103, 147, 225, 154, 177, 248, 187, 255, 251, 255,},
  {105, 149, 226, 156, 178, 249, 189, 255, 252, 255,},
  {107, 151, 228, 157, 179, 249, 190, 255, 252, 255,},
  {109, 153, 229, 158, 180, 250, 192, 255, 252, 255,},
  {111, 155, 230, 159, 181, 250, 193, 255, 253, 255,},
  {112, 157, 231, 161, 181, 251, 195, 255, 253, 255,},
  {114, 159, 233, 162, 182, 251, 196, 255, 253, 255,},
  {116, 161, 234, 163, 183, 251, 198, 255, 253, 255,},
  {118, 163, 235, 165, 184, 252, 199, 255, 254, 255,},
  {120, 165, 236, 166, 185, 252, 201, 255, 254, 255,},
  {122, 167, 237, 167, 186, 252, 202, 255, 254, 255,},
  {124, 169, 238, 169, 187, 253, 204, 255, 254, 255,},
  {126, 171, 239, 170, 188, 253, 205, 255, 254, 255,},
  {128, 173, 240, 172, 189, 253, 207, 255, 255, 255,},
  {130, 175, 241, 173, 190, 253, 208, 255, 255, 255,},
  {132, 177, 242, 175, 191, 254, 210, 255, 255, 255,},
  {134, 179, 242, 176, 192, 254, 211, 255, 255, 255,},
  {137, 181, 243, 177, 193, 254, 213, 255, 255, 255,},
  {139, 183, 244, 179, 194, 254, 214, 255, 255, 255,},
  {141, 185, 245, 181, 195, 254, 216, 255, 255, 255,},
  {143, 187, 245, 182, 196, 255, 217, 255, 255, 255,},
  {145, 189, 246, 184, 197, 255, 218, 255, 255, 255,},
  {147, 191, 247, 185, 199, 255, 220, 255, 255, 255,},
  {150, 193, 247, 187, 200, 255, 221, 255, 255, 255,},
  {152, 195, 248, 188, 201, 255, 223, 255, 255, 255,},
  {154, 197, 249, 190, 202, 255, 224, 255, 255, 255,},
  {157, 199, 249, 192, 203, 255, 225, 255, 255, 255,},
  {159, 201, 250, 193, 205, 255, 227, 255, 255, 255,},
  {162, 203, 250, 195, 206, 255, 228, 255, 255, 255,},
  {164, 205, 251, 197, 207, 255, 229, 255, 255, 255,},
  {166, 207, 251, 199, 208, 255, 231, 255, 255, 255,},
  {169, 209, 252, 201, 210, 255, 232, 255, 255, 255,},
  {172, 211, 252, 202, 211, 255, 233, 255, 255, 255,},
  {174, 213, 252, 204, 212, 255, 235, 255, 255, 255,},
  {177, 215, 253, 206, 214, 255, 236, 255, 255, 255,},
  {179, 217, 253, 208, 215, 255, 237, 255, 255, 255,},
  {182, 219, 254, 210, 217, 255, 238, 255, 255, 255,},
  {185, 221, 254, 212, 218, 255, 240, 255, 255, 255,},
  {188, 223, 254, 214, 220, 255, 241, 255, 255, 255,},
  {191, 225, 254, 216, 221, 255, 242, 255, 255, 255,},
  {194, 227, 255, 218, 223, 255, 243, 255, 255, 255,},
  {197, 229, 255, 220, 225, 255, 244, 255, 255, 255,},
  {200, 231, 255, 222, 226, 255, 245, 255, 255, 255,},
  {203, 233, 255, 224, 228, 255, 247, 255, 255, 255,},
  {206, 235, 255, 227, 230, 255, 248, 255, 255, 255,},
  {210, 237, 255, 229, 232, 255, 249, 255, 255, 255,},
  {213, 239, 255, 231, 234, 255, 250, 255, 255, 255,},
  {217, 241, 255, 234, 236, 255, 251, 255, 255, 255,},
  {221, 243, 255, 236, 238, 255, 252, 255, 255, 255,},
  {225, 245, 255, 239, 240, 255, 252, 255, 255, 255,},
  {229, 247, 255, 241, 242, 255, 253, 255, 255, 255,},
  {233, 249, 255, 244, 245, 255, 254, 255, 255, 255,},
  {238, 251, 255, 247, 247, 255, 255, 255, 255, 255,},
  {244, 253, 255, 250, 250, 255, 255, 255, 255, 255,},
  {251, 255, 255, 254, 254, 255, 255, 255, 255, 255,},
};

const vp9_prob vp9_modelcoefprobs_gg625p1[COEFPROB_MODELS][ENTROPY_NODES - 1] = {
  // Probs generated with a Generalized Gaussian (with shape parameter 0.625)
  // source model with varying quantizer step size for a uniform quantizer
  {1,   1,   3,  87, 129,   6,  87,  20,  91,  24,},
  {2,   3,   8,  88, 130,  15,  90,  50,  97,  56,},
  {3,   5,  14,  90, 131,  24,  91,  74, 102,  81,},
  {4,   7,  19,  91, 132,  33,  93,  93, 106, 101,},
  {5,   9,  24,  92, 133,  40,  94, 110, 110, 118,},
  {6,  11,  29,  93, 134,  48,  96, 125, 113, 132,},
  {7,  13,  33,  93, 134,  55,  97, 138, 117, 145,},
  {8,  15,  38,  94, 135,  62,  98, 149, 120, 155,},
  {10,  17,  42,  95, 136,  68,  99, 159, 124, 165,},
  {11,  19,  47,  96, 136,  74, 100, 168, 127, 174,},
  {12,  21,  51,  97, 137,  80, 102, 176, 130, 181,},
  {13,  23,  55,  98, 137,  86, 103, 184, 133, 188,},
  {14,  25,  59,  98, 138,  91, 104, 190, 136, 194,},
  {16,  27,  64,  99, 139,  97, 105, 196, 139, 200,},
  {17,  29,  68, 100, 139, 102, 106, 201, 142, 205,},
  {18,  31,  71, 101, 140, 107, 107, 206, 145, 209,},
  {20,  33,  75, 102, 140, 112, 108, 211, 148, 213,},
  {21,  35,  79, 102, 141, 116, 109, 215, 150, 217,},
  {22,  37,  83, 103, 141, 121, 110, 218, 153, 220,},
  {24,  39,  87, 104, 142, 125, 112, 222, 156, 224,},
  {25,  41,  90, 105, 143, 129, 113, 225, 159, 226,},
  {26,  43,  94, 105, 143, 133, 114, 227, 161, 229,},
  {28,  45,  97, 106, 144, 137, 115, 230, 164, 231,},
  {29,  47, 101, 107, 144, 141, 116, 232, 166, 233,},
  {31,  49, 104, 108, 145, 145, 117, 234, 169, 235,},
  {32,  51, 107, 108, 145, 149, 118, 236, 171, 237,},
  {33,  53, 111, 109, 146, 152, 119, 238, 174, 239,},
  {35,  55, 114, 110, 146, 156, 120, 240, 176, 240,},
  {36,  57, 117, 111, 147, 159, 121, 241, 178, 242,},
  {38,  59, 120, 112, 148, 162, 122, 242, 181, 243,},
  {39,  61, 123, 112, 148, 165, 124, 244, 183, 244,},
  {41,  63, 126, 113, 149, 168, 125, 245, 185, 245,},
  {42,  65, 129, 114, 149, 171, 126, 246, 187, 246,},
  {44,  67, 132, 115, 150, 174, 127, 247, 189, 247,},
  {45,  69, 135, 116, 150, 177, 128, 248, 192, 248,},
  {47,  71, 138, 116, 151, 180, 129, 248, 194, 249,},
  {48,  73, 141, 117, 152, 183, 130, 249, 196, 249,},
  {50,  75, 143, 118, 152, 185, 131, 250, 198, 250,},
  {51,  77, 146, 119, 153, 188, 132, 250, 200, 250,},
  {53,  79, 149, 120, 153, 190, 134, 251, 201, 251,},
  {55,  81, 151, 120, 154, 192, 135, 251, 203, 251,},
  {56,  83, 154, 121, 155, 195, 136, 252, 205, 252,},
  {58,  85, 157, 122, 155, 197, 137, 252, 207, 252,},
  {59,  87, 159, 123, 156, 199, 138, 253, 209, 253,},
  {61,  89, 162, 124, 156, 201, 139, 253, 210, 253,},
  {63,  91, 164, 125, 157, 203, 140, 253, 212, 253,},
  {64,  93, 166, 126, 158, 205, 142, 254, 214, 253,},
  {66,  95, 169, 126, 158, 207, 143, 254, 215, 254,},
  {68,  97, 171, 127, 159, 209, 144, 254, 217, 254,},
  {69,  99, 173, 128, 159, 211, 145, 254, 218, 254,},
  {71, 101, 176, 129, 160, 213, 146, 254, 220, 254,},
  {73, 103, 178, 130, 161, 214, 148, 255, 221, 255,},
  {75, 105, 180, 131, 161, 216, 149, 255, 223, 255,},
  {76, 107, 182, 132, 162, 218, 150, 255, 224, 255,},
  {78, 109, 184, 133, 163, 219, 151, 255, 225, 255,},
  {80, 111, 186, 134, 163, 221, 152, 255, 226, 255,},
  {82, 113, 188, 135, 164, 222, 154, 255, 228, 255,},
  {83, 115, 190, 136, 165, 224, 155, 255, 229, 255,},
  {85, 117, 192, 137, 165, 225, 156, 255, 230, 255,},
  {87, 119, 194, 137, 166, 226, 157, 255, 231, 255,},
  {89, 121, 196, 138, 167, 228, 159, 255, 232, 255,},
  {91, 123, 198, 139, 167, 229, 160, 255, 233, 255,},
  {93, 125, 200, 140, 168, 230, 161, 255, 234, 255,},
  {94, 127, 202, 141, 169, 231, 163, 255, 235, 255,},
  {96, 129, 203, 142, 169, 233, 164, 255, 236, 255,},
  {98, 131, 205, 143, 170, 234, 165, 255, 237, 255,},
  {100, 133, 207, 145, 171, 235, 166, 255, 238, 255,},
  {102, 135, 209, 146, 171, 236, 168, 255, 239, 255,},
  {104, 137, 210, 147, 172, 237, 169, 255, 240, 255,},
  {106, 139, 212, 148, 173, 238, 170, 255, 241, 255,},
  {108, 141, 213, 149, 174, 239, 172, 255, 242, 255,},
  {110, 143, 215, 150, 174, 240, 173, 255, 242, 255,},
  {112, 145, 216, 151, 175, 240, 174, 255, 243, 255,},
  {114, 147, 218, 152, 176, 241, 176, 255, 244, 255,},
  {116, 149, 219, 153, 177, 242, 177, 255, 244, 255,},
  {118, 151, 221, 154, 178, 243, 178, 255, 245, 255,},
  {120, 153, 222, 156, 178, 244, 180, 255, 246, 255,},
  {122, 155, 223, 157, 179, 244, 181, 255, 246, 255,},
  {124, 157, 225, 158, 180, 245, 183, 255, 247, 255,},
  {126, 159, 226, 159, 181, 246, 184, 255, 247, 255,},
  {128, 161, 227, 160, 182, 246, 185, 255, 248, 255,},
  {130, 163, 229, 162, 183, 247, 187, 255, 248, 255,},
  {132, 165, 230, 163, 183, 247, 188, 255, 249, 255,},
  {135, 167, 231, 164, 184, 248, 190, 255, 249, 255,},
  {137, 169, 232, 165, 185, 248, 191, 255, 250, 255,},
  {139, 171, 233, 167, 186, 249, 192, 255, 250, 255,},
  {141, 173, 234, 168, 187, 249, 194, 255, 251, 255,},
  {143, 175, 235, 169, 188, 250, 195, 255, 251, 255,},
  {146, 177, 236, 171, 189, 250, 197, 255, 251, 255,},
  {148, 179, 237, 172, 190, 251, 198, 255, 252, 255,},
  {150, 181, 238, 173, 191, 251, 200, 255, 252, 255,},
  {152, 183, 239, 175, 192, 251, 201, 255, 252, 255,},
  {155, 185, 240, 176, 193, 252, 203, 255, 253, 255,},
  {157, 187, 241, 178, 194, 252, 204, 255, 253, 255,},
  {159, 189, 242, 179, 195, 252, 206, 255, 253, 255,},
  {162, 191, 243, 181, 196, 253, 207, 255, 253, 255,},
  {164, 193, 244, 182, 197, 253, 209, 255, 254, 255,},
  {166, 195, 244, 184, 198, 253, 210, 255, 254, 255,},
  {169, 197, 245, 185, 199, 254, 212, 255, 254, 255,},
  {171, 199, 246, 187, 200, 254, 213, 255, 254, 255,},
  {174, 201, 247, 189, 201, 254, 215, 255, 254, 255,},
  {176, 203, 247, 190, 203, 254, 216, 255, 255, 255,},
  {179, 205, 248, 192, 204, 254, 218, 255, 255, 255,},
  {181, 207, 249, 194, 205, 255, 219, 255, 255, 255,},
  {184, 209, 249, 195, 206, 255, 221, 255, 255, 255,},
  {186, 211, 250, 197, 208, 255, 222, 255, 255, 255,},
  {189, 213, 250, 199, 209, 255, 224, 255, 255, 255,},
  {192, 215, 251, 201, 210, 255, 225, 255, 255, 255,},
  {194, 217, 251, 203, 212, 255, 227, 255, 255, 255,},
  {197, 219, 252, 205, 213, 255, 228, 255, 255, 255,},
  {200, 221, 252, 207, 215, 255, 230, 255, 255, 255,},
  {202, 223, 253, 209, 216, 255, 231, 255, 255, 255,},
  {205, 225, 253, 211, 218, 255, 233, 255, 255, 255,},
  {208, 227, 253, 213, 219, 255, 234, 255, 255, 255,},
  {211, 229, 254, 215, 221, 255, 236, 255, 255, 255,},
  {214, 231, 254, 217, 223, 255, 238, 255, 255, 255,},
  {217, 233, 254, 219, 224, 255, 239, 255, 255, 255,},
  {220, 235, 255, 222, 226, 255, 241, 255, 255, 255,},
  {223, 237, 255, 224, 228, 255, 242, 255, 255, 255,},
  {226, 239, 255, 227, 230, 255, 244, 255, 255, 255,},
  {229, 241, 255, 229, 232, 255, 245, 255, 255, 255,},
  {232, 243, 255, 232, 234, 255, 247, 255, 255, 255,},
  {235, 245, 255, 235, 237, 255, 248, 255, 255, 255,},
  {239, 247, 255, 238, 239, 255, 250, 255, 255, 255,},
  {242, 249, 255, 241, 242, 255, 251, 255, 255, 255,},
  {246, 251, 255, 244, 245, 255, 253, 255, 255, 255,},
  {250, 253, 255, 248, 248, 255, 254, 255, 255, 255,},
  {254, 255, 255, 253, 253, 255, 255, 255, 255, 255,},
};
#endif

void vp9_get_model_distribution(vp9_prob p, vp9_prob *tree_probs,
                                int b, int r) {
  const vp9_prob (*model)[ENTROPY_NODES - 1];
#if UNCONSTRAINED_NODES == 2
  if (r != INTRA_FRAME && b == PLANE_TYPE_UV)
    model = vp9_modelcoefprobs_gg75;
  else if (r == INTRA_FRAME && b == PLANE_TYPE_UV)
    model = vp9_modelcoefprobs_gg75;
  else if (r != INTRA_FRAME && b == PLANE_TYPE_Y_WITH_DC)
    model = vp9_modelcoefprobs_gg75;
  else
    model = vp9_modelcoefprobs_gg75;
#else
  if (r != INTRA_FRAME && b == PLANE_TYPE_UV)
    model = vp9_modelcoefprobs_gg75p1;
  else if (r == INTRA_FRAME && b == PLANE_TYPE_UV)
    model = vp9_modelcoefprobs_gg75p1;
  else if (r != INTRA_FRAME && b == PLANE_TYPE_Y_WITH_DC)
    model = vp9_modelcoefprobs_gg75p1;
  else
    model = vp9_modelcoefprobs_gg625p1;
#endif
  if (p & 1) {  // odd
    vpx_memcpy(tree_probs + UNCONSTRAINED_NODES,
               model[(p - 1) / 2] + UNCONSTRAINED_NODES - 1,
               (ENTROPY_NODES - UNCONSTRAINED_NODES) * sizeof(vp9_prob));
  } else {
    // interpolate
    int i;
    for (i = UNCONSTRAINED_NODES; i < ENTROPY_NODES; ++i)
      tree_probs[i] = (model[p / 2 - 1][i - 1] + model[p / 2][i - 1]) >> 1;
  }
}
#endif

static vp9_tree_index cat1[2], cat2[4], cat3[6], cat4[8], cat5[10], cat6[28];

static void init_bit_tree(vp9_tree_index *p, int n) {
  int i = 0;

  while (++i < n) {
    p[0] = p[1] = i << 1;
    p += 2;
  }

  p[0] = p[1] = 0;
}

static void init_bit_trees() {
  init_bit_tree(cat1, 1);
  init_bit_tree(cat2, 2);
  init_bit_tree(cat3, 3);
  init_bit_tree(cat4, 4);
  init_bit_tree(cat5, 5);
  init_bit_tree(cat6, 14);
}

vp9_extra_bit_struct vp9_extra_bits[12] = {
  { 0, 0, 0, 0},
  { 0, 0, 0, 1},
  { 0, 0, 0, 2},
  { 0, 0, 0, 3},
  { 0, 0, 0, 4},
  { cat1, Pcat1, 1, 5},
  { cat2, Pcat2, 2, 7},
  { cat3, Pcat3, 3, 11},
  { cat4, Pcat4, 4, 19},
  { cat5, Pcat5, 5, 35},
  { cat6, Pcat6, 14, 67},
  { 0, 0, 0, 0}
};

#include "vp9/common/vp9_default_coef_probs.h"

// This function updates and then returns n AC coefficient context
// This is currently a placeholder function to allow experimentation
// using various context models based on the energy earlier tokens
// within the current block.
//
// For now it just returns the previously used context.
#define MAX_NEIGHBORS 2
int vp9_get_coef_context(const int *scan, const int *neighbors,
                         int nb_pad, uint8_t *token_cache, int c, int l) {
  int eob = l;
  assert(nb_pad == MAX_NEIGHBORS);
  if (c == eob) {
    return 0;
  } else {
    int ctx;
    assert(neighbors[MAX_NEIGHBORS * c + 0] >= 0);
    if (neighbors[MAX_NEIGHBORS * c + 1] >= 0) {
      ctx = (1 + token_cache[neighbors[MAX_NEIGHBORS * c + 0]] +
             token_cache[neighbors[MAX_NEIGHBORS * c + 1]]) >> 1;
    } else {
      ctx = token_cache[neighbors[MAX_NEIGHBORS * c + 0]];
    }
    return vp9_pt_energy_class[ctx];
  }
};

void vp9_default_coef_probs(VP9_COMMON *pc) {
#if CONFIG_MODELCOEFPROB
  int b, r, c, p;
#endif
#if CONFIG_CODE_NONZEROCOUNT
#ifdef NZC_DEFAULT_COUNTS
  int h, g;
  for (h = 0; h < MAX_NZC_CONTEXTS; ++h) {
    for (g = 0; g < REF_TYPES; ++g) {
      int i;
      unsigned int branch_ct4x4[NZC4X4_NODES][2];
      unsigned int branch_ct8x8[NZC8X8_NODES][2];
      unsigned int branch_ct16x16[NZC16X16_NODES][2];
      unsigned int branch_ct32x32[NZC32X32_NODES][2];
      for (i = 0; i < BLOCK_TYPES; ++i) {
        vp9_tree_probs_from_distribution(
          vp9_nzc4x4_tree,
          pc->fc.nzc_probs_4x4[h][g][i], branch_ct4x4,
          default_nzc_counts_4x4[h][g][i], 0);
      }
      for (i = 0; i < BLOCK_TYPES; ++i) {
        vp9_tree_probs_from_distribution(
          vp9_nzc8x8_tree,
          pc->fc.nzc_probs_8x8[h][g][i], branch_ct8x8,
          default_nzc_counts_8x8[h][g][i], 0);
      }
      for (i = 0; i < BLOCK_TYPES; ++i) {
        vp9_tree_probs_from_distribution(
          vp9_nzc16x16_tree,
          pc->fc.nzc_probs_16x16[h][g][i], branch_ct16x16,
          default_nzc_counts_16x16[h][g][i], 0);
      }
      for (i = 0; i < BLOCK_TYPES; ++i) {
        vp9_tree_probs_from_distribution(
          vp9_nzc32x32_tree,
          pc->fc.nzc_probs_32x32[h][g][i], branch_ct32x32,
          default_nzc_counts_32x32[h][g][i], 0);
      }
    }
  }
#else
  vpx_memcpy(pc->fc.nzc_probs_4x4, default_nzc_probs_4x4,
             sizeof(pc->fc.nzc_probs_4x4));
  vpx_memcpy(pc->fc.nzc_probs_8x8, default_nzc_probs_8x8,
             sizeof(pc->fc.nzc_probs_8x8));
  vpx_memcpy(pc->fc.nzc_probs_16x16, default_nzc_probs_16x16,
             sizeof(pc->fc.nzc_probs_16x16));
  vpx_memcpy(pc->fc.nzc_probs_32x32, default_nzc_probs_32x32,
             sizeof(pc->fc.nzc_probs_32x32));
#endif
  vpx_memcpy(pc->fc.nzc_pcat_probs, default_nzc_pcat_probs,
             sizeof(pc->fc.nzc_pcat_probs));
#endif  // CONFIG_CODE_NONZEROCOUNT
#if CONFIG_MODELCOEFPROB
  for (b = 0; b < BLOCK_TYPES; ++b)
    for (r = 0; r < REF_TYPES; ++r)
      for (c = 0; c < COEF_BANDS; ++c)
        for (p = 0; p < PREV_COEF_CONTEXTS; ++p) {
          int t;
          for (t = 0; t < UNCONSTRAINED_NODES; t++)
            pc->fc.coef_probs_4x4[b][r][c][p][t] =
                default_coef_probs_4x4[b][r][c][p][t];
          vp9_get_model_distribution(
              default_coef_probs_4x4[b][r][c][p][UNCONSTRAINED_NODES - 1],
              pc->fc.coef_probs_4x4[b][r][c][p], b, r);
          for (t = 0; t < UNCONSTRAINED_NODES; t++)
            pc->fc.coef_probs_8x8[b][r][c][p][t] =
                default_coef_probs_8x8[b][r][c][p][t];
          vp9_get_model_distribution(
              default_coef_probs_8x8[b][r][c][p][UNCONSTRAINED_NODES - 1],
              pc->fc.coef_probs_8x8[b][r][c][p], b, r);
          for (t = 0; t < UNCONSTRAINED_NODES; t++)
            pc->fc.coef_probs_16x16[b][r][c][p][t] =
                default_coef_probs_16x16[b][r][c][p][t];
          vp9_get_model_distribution(
              default_coef_probs_16x16[b][r][c][p][UNCONSTRAINED_NODES - 1],
              pc->fc.coef_probs_16x16[b][r][c][p], b, r);
          for (t = 0; t < UNCONSTRAINED_NODES; t++)
            pc->fc.coef_probs_32x32[b][r][c][p][t] =
                default_coef_probs_32x32[b][r][c][p][t];
          vp9_get_model_distribution(
              default_coef_probs_32x32[b][r][c][p][UNCONSTRAINED_NODES - 1],
              pc->fc.coef_probs_32x32[b][r][c][p], b, r);
        }
#else
  vpx_memcpy(pc->fc.coef_probs_4x4, default_coef_probs_4x4,
             sizeof(pc->fc.coef_probs_4x4));
  vpx_memcpy(pc->fc.coef_probs_8x8, default_coef_probs_8x8,
             sizeof(pc->fc.coef_probs_8x8));
  vpx_memcpy(pc->fc.coef_probs_16x16, default_coef_probs_16x16,
             sizeof(pc->fc.coef_probs_16x16));
  vpx_memcpy(pc->fc.coef_probs_32x32, default_coef_probs_32x32,
             sizeof(pc->fc.coef_probs_32x32));
#endif
}

// Neighborhood 5-tuples for various scans and blocksizes,
// in {top, left, topleft, topright, bottomleft} order
// for each position in raster scan order.
// -1 indicates the neighbor does not exist.
DECLARE_ALIGNED(16, int,
                vp9_default_zig_zag1d_4x4_neighbors[16 * MAX_NEIGHBORS]);
DECLARE_ALIGNED(16, int,
                vp9_col_scan_4x4_neighbors[16 * MAX_NEIGHBORS]);
DECLARE_ALIGNED(16, int,
                vp9_row_scan_4x4_neighbors[16 * MAX_NEIGHBORS]);
DECLARE_ALIGNED(16, int,
                vp9_col_scan_8x8_neighbors[64 * MAX_NEIGHBORS]);
DECLARE_ALIGNED(16, int,
                vp9_row_scan_8x8_neighbors[64 * MAX_NEIGHBORS]);
DECLARE_ALIGNED(16, int,
                vp9_default_zig_zag1d_8x8_neighbors[64 * MAX_NEIGHBORS]);
DECLARE_ALIGNED(16, int,
                vp9_col_scan_16x16_neighbors[256 * MAX_NEIGHBORS]);
DECLARE_ALIGNED(16, int,
                vp9_row_scan_16x16_neighbors[256 * MAX_NEIGHBORS]);
DECLARE_ALIGNED(16, int,
                vp9_default_zig_zag1d_16x16_neighbors[256 * MAX_NEIGHBORS]);
DECLARE_ALIGNED(16, int,
                vp9_default_zig_zag1d_32x32_neighbors[1024 * MAX_NEIGHBORS]);

static int find_in_scan(const int *scan, int l, int idx) {
  int n, l2 = l * l;
  for (n = 0; n < l2; n++) {
    int rc = scan[n];
    if (rc == idx)
      return  n;
  }
  assert(0);
  return -1;
}
static void init_scan_neighbors(const int *scan, int l, int *neighbors,
                                int max_neighbors) {
  int l2 = l * l;
  int n, i, j;

  for (n = 0; n < l2; n++) {
    int rc = scan[n];
    assert(max_neighbors == MAX_NEIGHBORS);
    i = rc / l;
    j = rc % l;
    if (i > 0 && j > 0) {
      // col/row scan is used for adst/dct, and generally means that
      // energy decreases to zero much faster in the dimension in
      // which ADST is used compared to the direction in which DCT
      // is used. Likewise, we find much higher correlation between
      // coefficients within the direction in which DCT is used.
      // Therefore, if we use ADST/DCT, prefer the DCT neighbor coeff
      // as a context. If ADST or DCT is used in both directions, we
      // use the combination of the two as a context.
      int a = find_in_scan(scan, l, (i - 1) * l + j);
      int b = find_in_scan(scan, l,  i      * l + j - 1);
      if (scan == vp9_col_scan_4x4 || scan == vp9_col_scan_8x8 ||
          scan == vp9_col_scan_16x16) {
        neighbors[max_neighbors * n + 0] = a;
        neighbors[max_neighbors * n + 1] = -1;
      } else if (scan == vp9_row_scan_4x4 || scan == vp9_row_scan_8x8 ||
                 scan == vp9_row_scan_16x16) {
        neighbors[max_neighbors * n + 0] = b;
        neighbors[max_neighbors * n + 1] = -1;
      } else {
        neighbors[max_neighbors * n + 0] = a;
        neighbors[max_neighbors * n + 1] = b;
      }
    } else if (i > 0) {
      neighbors[max_neighbors * n + 0] = find_in_scan(scan, l, (i - 1) * l + j);
      neighbors[max_neighbors * n + 1] = -1;
    } else if (j > 0) {
      neighbors[max_neighbors * n + 0] =
          find_in_scan(scan, l,  i      * l + j - 1);
      neighbors[max_neighbors * n + 1] = -1;
    } else {
      assert(n == 0);
      // dc predictor doesn't use previous tokens
      neighbors[max_neighbors * n + 0] = -1;
    }
    assert(neighbors[max_neighbors * n + 0] < n);
  }
}

void vp9_init_neighbors() {
  init_scan_neighbors(vp9_default_zig_zag1d_4x4, 4,
                      vp9_default_zig_zag1d_4x4_neighbors, MAX_NEIGHBORS);
  init_scan_neighbors(vp9_row_scan_4x4, 4,
                      vp9_row_scan_4x4_neighbors, MAX_NEIGHBORS);
  init_scan_neighbors(vp9_col_scan_4x4, 4,
                      vp9_col_scan_4x4_neighbors, MAX_NEIGHBORS);
  init_scan_neighbors(vp9_default_zig_zag1d_8x8, 8,
                      vp9_default_zig_zag1d_8x8_neighbors, MAX_NEIGHBORS);
  init_scan_neighbors(vp9_row_scan_8x8, 8,
                      vp9_row_scan_8x8_neighbors, MAX_NEIGHBORS);
  init_scan_neighbors(vp9_col_scan_8x8, 8,
                      vp9_col_scan_8x8_neighbors, MAX_NEIGHBORS);
  init_scan_neighbors(vp9_default_zig_zag1d_16x16, 16,
                      vp9_default_zig_zag1d_16x16_neighbors, MAX_NEIGHBORS);
  init_scan_neighbors(vp9_row_scan_16x16, 16,
                      vp9_row_scan_16x16_neighbors, MAX_NEIGHBORS);
  init_scan_neighbors(vp9_col_scan_16x16, 16,
                      vp9_col_scan_16x16_neighbors, MAX_NEIGHBORS);
  init_scan_neighbors(vp9_default_zig_zag1d_32x32, 32,
                      vp9_default_zig_zag1d_32x32_neighbors, MAX_NEIGHBORS);
}

const int *vp9_get_coef_neighbors_handle(const int *scan, int *pad) {
  if (scan == vp9_default_zig_zag1d_4x4) {
    *pad = MAX_NEIGHBORS;
    return vp9_default_zig_zag1d_4x4_neighbors;
  } else if (scan == vp9_row_scan_4x4) {
    *pad = MAX_NEIGHBORS;
    return vp9_row_scan_4x4_neighbors;
  } else if (scan == vp9_col_scan_4x4) {
    *pad = MAX_NEIGHBORS;
    return vp9_col_scan_4x4_neighbors;
  } else if (scan == vp9_default_zig_zag1d_8x8) {
    *pad = MAX_NEIGHBORS;
    return vp9_default_zig_zag1d_8x8_neighbors;
  } else if (scan == vp9_row_scan_8x8) {
    *pad = 2;
    return vp9_row_scan_8x8_neighbors;
  } else if (scan == vp9_col_scan_8x8) {
    *pad = 2;
    return vp9_col_scan_8x8_neighbors;
  } else if (scan == vp9_default_zig_zag1d_16x16) {
    *pad = MAX_NEIGHBORS;
    return vp9_default_zig_zag1d_16x16_neighbors;
  } else if (scan == vp9_row_scan_16x16) {
    *pad = 2;
    return vp9_row_scan_16x16_neighbors;
  } else if (scan == vp9_col_scan_16x16) {
    *pad = 2;
    return vp9_col_scan_16x16_neighbors;
  } else if (scan == vp9_default_zig_zag1d_32x32) {
    *pad = MAX_NEIGHBORS;
    return vp9_default_zig_zag1d_32x32_neighbors;
  } else {
    assert(0);
    return NULL;
  }
}

void vp9_coef_tree_initialize() {
  vp9_init_neighbors();
  init_bit_trees();
  vp9_tokens_from_tree(vp9_coef_encodings, vp9_coef_tree);
#if CONFIG_CODE_NONZEROCOUNT
  vp9_tokens_from_tree(vp9_nzc4x4_encodings, vp9_nzc4x4_tree);
  vp9_tokens_from_tree(vp9_nzc8x8_encodings, vp9_nzc8x8_tree);
  vp9_tokens_from_tree(vp9_nzc16x16_encodings, vp9_nzc16x16_tree);
  vp9_tokens_from_tree(vp9_nzc32x32_encodings, vp9_nzc32x32_tree);
#endif
}

#if CONFIG_CODE_NONZEROCOUNT

#define mb_in_cur_tile(cm, mb_row, mb_col)      \
    ((mb_col) >= (cm)->cur_tile_mb_col_start && \
     (mb_col) <= (cm)->cur_tile_mb_col_end   && \
     (mb_row) >= 0)

#define choose_nzc_context(nzc_exp, t2, t1)     \
    ((nzc_exp) >= (t2) ? 2 : (nzc_exp) >= (t1) ? 1 : 0)

#define NZC_T2_32X32    (16 << 6)
#define NZC_T1_32X32     (4 << 6)

#define NZC_T2_16X16    (12 << 6)
#define NZC_T1_16X16     (3 << 6)

#define NZC_T2_8X8       (8 << 6)
#define NZC_T1_8X8       (2 << 6)

#define NZC_T2_4X4       (4 << 6)
#define NZC_T1_4X4       (1 << 6)

// Transforms a mb16 block index to a sb64 block index
static inline int mb16_to_sb64_index(int mb_row, int mb_col, int block) {
  int r = (mb_row & 3);
  int c = (mb_col & 3);
  int b;
  if (block < 16) {  // Y
    int ib = block >> 2;
    int jb = block & 3;
    ib += r * 4;
    jb += c * 4;
    b = ib * 16 + jb;
    assert(b < 256);
    return b;
  } else {  // UV
    int base = block - (block & 3);
    int ib = (block - base) >> 1;
    int jb = (block - base) & 1;
    ib += r * 2;
    jb += c * 2;
    b = base * 16 + ib * 8 + jb;
    assert(b >= 256 && b < 384);
    return b;
  }
}

// Transforms a mb16 block index to a sb32 block index
static inline int mb16_to_sb32_index(int mb_row, int mb_col, int block) {
  int r = (mb_row & 1);
  int c = (mb_col & 1);
  int b;
  if (block < 16) {  // Y
    int ib = block >> 2;
    int jb = block & 3;
    ib += r * 4;
    jb += c * 4;
    b = ib * 8 + jb;
    assert(b < 64);
    return b;
  } else {  // UV
    int base = block - (block & 3);
    int ib = (block - base) >> 1;
    int jb = (block - base) & 1;
    ib += r * 2;
    jb += c * 2;
    b = base * 4 + ib * 4 + jb;
    assert(b >= 64 && b < 96);
    return b;
  }
}

static inline int block_to_txfm_index(int block, TX_SIZE tx_size, int s) {
  // s is the log of the number of 4x4 blocks in each row/col of larger block
  int b, ib, jb, nb;
  ib = block >> s;
  jb = block - (ib << s);
  ib >>= tx_size;
  jb >>= tx_size;
  nb = 1 << (s - tx_size);
  b = (ib * nb + jb) << (2 * tx_size);
  return b;
}

/* BEGIN - Helper functions to get the y nzcs */
static unsigned int get_nzc_4x4_y_sb64(MB_MODE_INFO *mi, int block) {
  int b;
  assert(block < 256);
  b = block_to_txfm_index(block, mi->txfm_size, 4);
  assert(b < 256);
  return mi->nzcs[b] << (6 - 2 * mi->txfm_size);
}

static unsigned int get_nzc_4x4_y_sb32(MB_MODE_INFO *mi, int block) {
  int b;
  assert(block < 64);
  b = block_to_txfm_index(block, mi->txfm_size, 3);
  assert(b < 64);
  return mi->nzcs[b] << (6 - 2 * mi->txfm_size);
}

static unsigned int get_nzc_4x4_y_mb16(MB_MODE_INFO *mi, int block) {
  int b;
  assert(block < 16);
  b = block_to_txfm_index(block, mi->txfm_size, 2);
  assert(b < 16);
  return mi->nzcs[b] << (6 - 2 * mi->txfm_size);
}
/* END - Helper functions to get the y nzcs */

/* Function to get y nzc where block index is in mb16 terms */
static unsigned int get_nzc_4x4_y(VP9_COMMON *cm, MODE_INFO *m,
                                  int mb_row, int mb_col, int block) {
  // NOTE: All values returned are at 64 times the true value at 4x4 scale
  MB_MODE_INFO *const mi = &m->mbmi;
  const int mis = cm->mode_info_stride;
  if (mi->mb_skip_coeff || !mb_in_cur_tile(cm, mb_row, mb_col))
    return 0;
  if (mi->sb_type == BLOCK_SIZE_SB64X64) {
    int r = mb_row & 3;
    int c = mb_col & 3;
    m -= c + r * mis;
    if (m->mbmi.mb_skip_coeff || !mb_in_cur_tile(cm, mb_row - r, mb_col - c))
      return 0;
    else
      return get_nzc_4x4_y_sb64(
          &m->mbmi, mb16_to_sb64_index(mb_row, mb_col, block));
  } else if (mi->sb_type == BLOCK_SIZE_SB32X32) {
    int r = mb_row & 1;
    int c = mb_col & 1;
    m -= c + r * mis;
    if (m->mbmi.mb_skip_coeff || !mb_in_cur_tile(cm, mb_row - r, mb_col - c))
      return 0;
    else
      return get_nzc_4x4_y_sb32(
          &m->mbmi, mb16_to_sb32_index(mb_row, mb_col, block));
  } else {
    if (m->mbmi.mb_skip_coeff || !mb_in_cur_tile(cm, mb_row, mb_col))
      return 0;
    return get_nzc_4x4_y_mb16(mi, block);
  }
}

/* BEGIN - Helper functions to get the uv nzcs */
static unsigned int get_nzc_4x4_uv_sb64(MB_MODE_INFO *mi, int block) {
  int b;
  int base, uvtxfm_size;
  assert(block >= 256 && block < 384);
  uvtxfm_size = mi->txfm_size;
  base = 256 + (block & 64);
  block -= base;
  b = base + block_to_txfm_index(block, uvtxfm_size, 3);
  assert(b >= 256 && b < 384);
  return mi->nzcs[b] << (6 - 2 * uvtxfm_size);
}

static unsigned int get_nzc_4x4_uv_sb32(MB_MODE_INFO *mi, int block) {
  int b;
  int base, uvtxfm_size;
  assert(block >= 64 && block < 96);
  if (mi->txfm_size == TX_32X32)
    uvtxfm_size = TX_16X16;
  else
    uvtxfm_size = mi->txfm_size;
  base = 64 + (block & 16);
  block -= base;
  b = base + block_to_txfm_index(block, uvtxfm_size, 2);
  assert(b >= 64 && b < 96);
  return mi->nzcs[b] << (6 - 2 * uvtxfm_size);
}

static unsigned int get_nzc_4x4_uv_mb16(MB_MODE_INFO *mi, int block) {
  int b;
  int base, uvtxfm_size;
  assert(block >= 16 && block < 24);
  if (mi->txfm_size == TX_8X8 &&
      (mi->mode == SPLITMV || mi->mode == I8X8_PRED))
    uvtxfm_size = TX_4X4;
  else if (mi->txfm_size == TX_16X16)
    uvtxfm_size = TX_8X8;
  else
    uvtxfm_size = mi->txfm_size;
  base = 16 + (block & 4);
  block -= base;
  b = base + block_to_txfm_index(block, uvtxfm_size, 1);
  assert(b >= 16 && b < 24);
  return mi->nzcs[b] << (6 - 2 * uvtxfm_size);
}
/* END - Helper functions to get the uv nzcs */

/* Function to get uv nzc where block index is in mb16 terms */
static unsigned int get_nzc_4x4_uv(VP9_COMMON *cm, MODE_INFO *m,
                                   int mb_row, int mb_col, int block) {
  // NOTE: All values returned are at 64 times the true value at 4x4 scale
  MB_MODE_INFO *const mi = &m->mbmi;
  const int mis = cm->mode_info_stride;
  if (mi->mb_skip_coeff || !mb_in_cur_tile(cm, mb_row, mb_col))
    return 0;
  if (mi->sb_type == BLOCK_SIZE_SB64X64) {
    int r = mb_row & 3;
    int c = mb_col & 3;
    m -= c + r * mis;
    if (m->mbmi.mb_skip_coeff || !mb_in_cur_tile(cm, mb_row - r, mb_col - c))
      return 0;
    else
      return get_nzc_4x4_uv_sb64(
          &m->mbmi, mb16_to_sb64_index(mb_row, mb_col, block));
  } else if (mi->sb_type == BLOCK_SIZE_SB32X32) {
    int r = mb_row & 1;
    int c = mb_col & 1;
    m -= c + r * mis;
    if (m->mbmi.mb_skip_coeff || !mb_in_cur_tile(cm, mb_row - r, mb_col - c))
      return 0;
    else
      return get_nzc_4x4_uv_sb32(
          &m->mbmi, mb16_to_sb32_index(mb_row, mb_col, block));
  } else {
    return get_nzc_4x4_uv_mb16(mi, block);
  }
}

int vp9_get_nzc_context_y_sb64(VP9_COMMON *cm, MODE_INFO *cur,
                               int mb_row, int mb_col, int block) {
  // returns an index in [0, MAX_NZC_CONTEXTS - 1] to reflect how busy
  // neighboring blocks are
  int mis = cm->mode_info_stride;
  int nzc_exp = 0;
  TX_SIZE txfm_size = cur->mbmi.txfm_size;
  assert(block < 256);
  switch (txfm_size) {
    case TX_32X32:
      assert((block & 63) == 0);
      if (block < 128) {
        int o = (block >> 6) * 2;
        nzc_exp =
            get_nzc_4x4_y(cm, cur - mis + o, mb_row - 1, mb_col + o, 12) +
            get_nzc_4x4_y(cm, cur - mis + o, mb_row - 1, mb_col + o, 13) +
            get_nzc_4x4_y(cm, cur - mis + o, mb_row - 1, mb_col + o, 14) +
            get_nzc_4x4_y(cm, cur - mis + o, mb_row - 1, mb_col + o, 15) +
            get_nzc_4x4_y(cm, cur - mis + o + 1,
                          mb_row - 1, mb_col + o + 1, 12) +
            get_nzc_4x4_y(cm, cur - mis + o + 1,
                          mb_row - 1, mb_col + o + 1, 13) +
            get_nzc_4x4_y(cm, cur - mis + o + 1,
                          mb_row - 1, mb_col + o + 1, 14) +
            get_nzc_4x4_y(cm, cur - mis + o + 1,
                          mb_row - 1, mb_col + o + 1, 15);
      } else {
        nzc_exp = cur->mbmi.nzcs[block - 128] << 3;
      }
      if ((block & 127) == 0) {
        int o = (block >> 7) * 2;
        nzc_exp +=
            get_nzc_4x4_y(cm, cur - 1 + o * mis, mb_row + o, mb_col - 1, 3) +
            get_nzc_4x4_y(cm, cur - 1 + o * mis, mb_row + o, mb_col - 1, 7) +
            get_nzc_4x4_y(cm, cur - 1 + o * mis, mb_row + o, mb_col - 1, 11) +
            get_nzc_4x4_y(cm, cur - 1 + o * mis, mb_row + o, mb_col - 1, 15) +
            get_nzc_4x4_y(cm, cur - 1 + o * mis + mis,
                          mb_row + o + 1, mb_col - 1, 3) +
            get_nzc_4x4_y(cm, cur - 1 + o * mis + mis,
                          mb_row + o + 1, mb_col - 1, 7) +
            get_nzc_4x4_y(cm, cur - 1 + o * mis + mis,
                          mb_row + o + 1, mb_col - 1, 11) +
            get_nzc_4x4_y(cm, cur - 1 + o * mis + mis,
                          mb_row + o + 1, mb_col - 1, 15);
      } else {
        nzc_exp += cur->mbmi.nzcs[block - 64] << 3;
      }
      nzc_exp <<= 2;
      // Note nzc_exp is 64 times the average value expected at 32x32 scale
      return choose_nzc_context(nzc_exp, NZC_T2_32X32, NZC_T1_32X32);
      break;

    case TX_16X16:
      assert((block & 15) == 0);
      if (block < 64) {
        int o = block >> 4;
        nzc_exp =
            get_nzc_4x4_y(cm, cur - mis + o, mb_row - 1, mb_col + o, 12) +
            get_nzc_4x4_y(cm, cur - mis + o, mb_row - 1, mb_col + o, 13) +
            get_nzc_4x4_y(cm, cur - mis + o, mb_row - 1, mb_col + o, 14) +
            get_nzc_4x4_y(cm, cur - mis + o, mb_row - 1, mb_col + o, 15);
      } else {
        nzc_exp = cur->mbmi.nzcs[block - 64] << 4;
      }
      if ((block & 63) == 0) {
        int o = block >> 6;
        nzc_exp +=
            get_nzc_4x4_y(cm, cur - 1 + o * mis, mb_row + o, mb_col - 1, 3) +
            get_nzc_4x4_y(cm, cur - 1 + o * mis, mb_row + o, mb_col - 1, 7) +
            get_nzc_4x4_y(cm, cur - 1 + o * mis, mb_row + o, mb_col - 1, 11) +
            get_nzc_4x4_y(cm, cur - 1 + o * mis, mb_row + o, mb_col - 1, 15);
      } else {
        nzc_exp += cur->mbmi.nzcs[block - 16] << 4;
      }
      nzc_exp <<= 1;
      // Note nzc_exp is 64 times the average value expected at 16x16 scale
      return choose_nzc_context(nzc_exp, NZC_T2_16X16, NZC_T1_16X16);
      break;

    case TX_8X8:
      assert((block & 3) == 0);
      if (block < 32) {
        int o = block >> 3;
        int p = ((block >> 2) & 1) ? 14 : 12;
        nzc_exp =
            get_nzc_4x4_y(cm, cur - mis + o, mb_row - 1, mb_col + o, p) +
            get_nzc_4x4_y(cm, cur - mis + o, mb_row - 1, mb_col + o, p + 1);
      } else {
        nzc_exp = cur->mbmi.nzcs[block - 32] << 5;
      }
      if ((block & 31) == 0) {
        int o = block >> 6;
        int p = ((block >> 5) & 1) ? 11 : 3;
        nzc_exp +=
            get_nzc_4x4_y(cm, cur - 1 + o * mis, mb_row + o, mb_col - 1, p) +
            get_nzc_4x4_y(cm, cur - 1 + o * mis, mb_row + o, mb_col - 1, p + 4);
      } else {
        nzc_exp += cur->mbmi.nzcs[block - 4] << 5;
      }
      // Note nzc_exp is 64 times the average value expected at 8x8 scale
      return choose_nzc_context(nzc_exp, NZC_T2_8X8, NZC_T1_8X8);
      break;

    case TX_4X4:
      if (block < 16) {
        int o = block >> 2;
        int p = block & 3;
        nzc_exp = get_nzc_4x4_y(cm, cur - mis + o, mb_row - 1, mb_col + o,
                                12 + p);
      } else {
        nzc_exp = (cur->mbmi.nzcs[block - 16] << 6);
      }
      if ((block & 15) == 0) {
        int o = block >> 6;
        int p = (block >> 4) & 3;
        nzc_exp += get_nzc_4x4_y(cm, cur - 1 + o * mis, mb_row + o, mb_col - 1,
                                 3 + 4 * p);
      } else {
        nzc_exp += (cur->mbmi.nzcs[block - 1] << 6);
      }
      nzc_exp >>= 1;
      // Note nzc_exp is 64 times the average value expected at 4x4 scale
      return choose_nzc_context(nzc_exp, NZC_T2_4X4, NZC_T1_4X4);
      break;

    default:
      return 0;
  }
}

int vp9_get_nzc_context_y_sb32(VP9_COMMON *cm, MODE_INFO *cur,
                               int mb_row, int mb_col, int block) {
  // returns an index in [0, MAX_NZC_CONTEXTS - 1] to reflect how busy
  // neighboring blocks are
  int mis = cm->mode_info_stride;
  int nzc_exp = 0;
  TX_SIZE txfm_size = cur->mbmi.txfm_size;
  assert(block < 64);
  switch (txfm_size) {
    case TX_32X32:
      assert(block == 0);
      nzc_exp =
          (get_nzc_4x4_y(cm, cur - mis, mb_row - 1, mb_col, 12) +
           get_nzc_4x4_y(cm, cur - mis, mb_row - 1, mb_col, 13) +
           get_nzc_4x4_y(cm, cur - mis, mb_row - 1, mb_col, 14) +
           get_nzc_4x4_y(cm, cur - mis, mb_row - 1, mb_col, 15) +
           get_nzc_4x4_y(cm, cur - mis + 1, mb_row - 1, mb_col + 1, 12) +
           get_nzc_4x4_y(cm, cur - mis + 1, mb_row - 1, mb_col + 1, 13) +
           get_nzc_4x4_y(cm, cur - mis + 1, mb_row - 1, mb_col + 1, 14) +
           get_nzc_4x4_y(cm, cur - mis + 1, mb_row - 1, mb_col + 1, 15) +
           get_nzc_4x4_y(cm, cur - 1, mb_row, mb_col - 1, 3) +
           get_nzc_4x4_y(cm, cur - 1, mb_row, mb_col - 1, 7) +
           get_nzc_4x4_y(cm, cur - 1, mb_row, mb_col - 1, 11) +
           get_nzc_4x4_y(cm, cur - 1, mb_row, mb_col - 1, 15) +
           get_nzc_4x4_y(cm, cur - 1 + mis, mb_row + 1, mb_col - 1, 3) +
           get_nzc_4x4_y(cm, cur - 1 + mis, mb_row + 1, mb_col - 1, 7) +
           get_nzc_4x4_y(cm, cur - 1 + mis, mb_row + 1, mb_col - 1, 11) +
           get_nzc_4x4_y(cm, cur - 1 + mis, mb_row + 1, mb_col - 1, 15)) << 2;
      // Note nzc_exp is 64 times the average value expected at 32x32 scale
      return choose_nzc_context(nzc_exp, NZC_T2_32X32, NZC_T1_32X32);
      break;

    case TX_16X16:
      assert((block & 15) == 0);
      if (block < 32) {
        int o = (block >> 4) & 1;
        nzc_exp =
            get_nzc_4x4_y(cm, cur - mis + o, mb_row - 1, mb_col + o, 12) +
            get_nzc_4x4_y(cm, cur - mis + o, mb_row - 1, mb_col + o, 13) +
            get_nzc_4x4_y(cm, cur - mis + o, mb_row - 1, mb_col + o, 14) +
            get_nzc_4x4_y(cm, cur - mis + o, mb_row - 1, mb_col + o, 15);
      } else {
        nzc_exp = cur->mbmi.nzcs[block - 32] << 4;
      }
      if ((block & 31) == 0) {
        int o = block >> 5;
        nzc_exp +=
            get_nzc_4x4_y(cm, cur - 1 + o * mis, mb_row + o, mb_col - 1, 3) +
            get_nzc_4x4_y(cm, cur - 1 + o * mis, mb_row + o, mb_col - 1, 7) +
            get_nzc_4x4_y(cm, cur - 1 + o * mis, mb_row + o, mb_col - 1, 11) +
            get_nzc_4x4_y(cm, cur - 1 + o * mis, mb_row + o, mb_col - 1, 15);
      } else {
        nzc_exp += cur->mbmi.nzcs[block - 16] << 4;
      }
      nzc_exp <<= 1;
      // Note nzc_exp is 64 times the average value expected at 16x16 scale
      return choose_nzc_context(nzc_exp, NZC_T2_16X16, NZC_T1_16X16);
      break;

    case TX_8X8:
      assert((block & 3) == 0);
      if (block < 16) {
        int o = block >> 3;
        int p = ((block >> 2) & 1) ? 14 : 12;
        nzc_exp =
            get_nzc_4x4_y(cm, cur - mis + o, mb_row - 1, mb_col + o, p) +
            get_nzc_4x4_y(cm, cur - mis + o, mb_row - 1, mb_col + o, p + 1);
      } else {
        nzc_exp = cur->mbmi.nzcs[block - 16] << 5;
      }
      if ((block & 15) == 0) {
        int o = block >> 5;
        int p = ((block >> 4) & 1) ? 11 : 3;
        nzc_exp +=
            get_nzc_4x4_y(cm, cur - 1 + o * mis, mb_row + o, mb_col - 1, p) +
            get_nzc_4x4_y(cm, cur - 1 + o * mis, mb_row + o, mb_col - 1, p + 4);
      } else {
        nzc_exp += cur->mbmi.nzcs[block - 4] << 5;
      }
      // Note nzc_exp is 64 times the average value expected at 8x8 scale
      return choose_nzc_context(nzc_exp, NZC_T2_8X8, NZC_T1_8X8);
      break;

    case TX_4X4:
      if (block < 8) {
        int o = block >> 2;
        int p = block & 3;
        nzc_exp = get_nzc_4x4_y(cm, cur - mis + o, mb_row - 1, mb_col + o,
                                12 + p);
      } else {
        nzc_exp = (cur->mbmi.nzcs[block - 8] << 6);
      }
      if ((block & 7) == 0) {
        int o = block >> 5;
        int p = (block >> 3) & 3;
        nzc_exp += get_nzc_4x4_y(cm, cur - 1 + o * mis, mb_row + o, mb_col - 1,
                                 3 + 4 * p);
      } else {
        nzc_exp += (cur->mbmi.nzcs[block - 1] << 6);
      }
      nzc_exp >>= 1;
      // Note nzc_exp is 64 times the average value expected at 4x4 scale
      return choose_nzc_context(nzc_exp, NZC_T2_4X4, NZC_T1_4X4);
      break;

    default:
      return 0;
      break;
  }
}

int vp9_get_nzc_context_y_mb16(VP9_COMMON *cm, MODE_INFO *cur,
                               int mb_row, int mb_col, int block) {
  // returns an index in [0, MAX_NZC_CONTEXTS - 1] to reflect how busy
  // neighboring blocks are
  int mis = cm->mode_info_stride;
  int nzc_exp = 0;
  TX_SIZE txfm_size = cur->mbmi.txfm_size;
  assert(block < 16);
  switch (txfm_size) {
    case TX_16X16:
      assert(block == 0);
      nzc_exp =
          get_nzc_4x4_y(cm, cur - mis, mb_row - 1, mb_col, 12) +
          get_nzc_4x4_y(cm, cur - mis, mb_row - 1, mb_col, 13) +
          get_nzc_4x4_y(cm, cur - mis, mb_row - 1, mb_col, 14) +
          get_nzc_4x4_y(cm, cur - mis, mb_row - 1, mb_col, 15) +
          get_nzc_4x4_y(cm, cur - 1, mb_row, mb_col - 1, 3) +
          get_nzc_4x4_y(cm, cur - 1, mb_row, mb_col - 1, 7) +
          get_nzc_4x4_y(cm, cur - 1, mb_row, mb_col - 1, 11) +
          get_nzc_4x4_y(cm, cur - 1, mb_row, mb_col - 1, 15);
      nzc_exp <<= 1;
      // Note nzc_exp is 64 times the average value expected at 16x16 scale
      return choose_nzc_context(nzc_exp, NZC_T2_16X16, NZC_T1_16X16);

    case TX_8X8:
      assert((block & 3) == 0);
      if (block < 8) {
        int p = ((block >> 2) & 1) ? 14 : 12;
        nzc_exp =
            get_nzc_4x4_y(cm, cur - mis, mb_row - 1, mb_col, p) +
            get_nzc_4x4_y(cm, cur - mis, mb_row - 1, mb_col, p + 1);
      } else {
        nzc_exp = cur->mbmi.nzcs[block - 8] << 5;
      }
      if ((block & 7) == 0) {
        int p = ((block >> 3) & 1) ? 11 : 3;
        nzc_exp +=
            get_nzc_4x4_y(cm, cur - 1, mb_row, mb_col - 1, p) +
            get_nzc_4x4_y(cm, cur - 1, mb_row, mb_col - 1, p + 4);
      } else {
        nzc_exp += cur->mbmi.nzcs[block - 4] << 5;
      }
      // Note nzc_exp is 64 times the average value expected at 8x8 scale
      return choose_nzc_context(nzc_exp, NZC_T2_8X8, NZC_T1_8X8);

    case TX_4X4:
      if (block < 4) {
        int p = block & 3;
        nzc_exp = get_nzc_4x4_y(cm, cur - mis, mb_row - 1, mb_col,
                                12 + p);
      } else {
        nzc_exp = (cur->mbmi.nzcs[block - 4] << 6);
      }
      if ((block & 3) == 0) {
        int p = (block >> 2) & 3;
        nzc_exp += get_nzc_4x4_y(cm, cur - 1, mb_row, mb_col - 1,
                                 3 + 4 * p);
      } else {
        nzc_exp += (cur->mbmi.nzcs[block - 1] << 6);
      }
      nzc_exp >>= 1;
      // Note nzc_exp is 64 times the average value expected at 4x4 scale
      return choose_nzc_context(nzc_exp, NZC_T2_4X4, NZC_T1_4X4);

    default:
      return 0;
      break;
  }
}

int vp9_get_nzc_context_uv_sb64(VP9_COMMON *cm, MODE_INFO *cur,
                                int mb_row, int mb_col, int block) {
  // returns an index in [0, MAX_NZC_CONTEXTS - 1] to reflect how busy
  // neighboring blocks are
  int mis = cm->mode_info_stride;
  int nzc_exp = 0;
  const int base = block - (block & 63);
  const int boff = (block & 63);
  const int base_mb16 = base >> 4;
  TX_SIZE txfm_size = cur->mbmi.txfm_size;
  TX_SIZE txfm_size_uv;

  assert(block >= 256 && block < 384);
  txfm_size_uv = txfm_size;

  switch (txfm_size_uv) {
    case TX_32X32:
      assert(block == 256 || block == 320);
      nzc_exp =
          get_nzc_4x4_uv(cm, cur - mis, mb_row - 1, mb_col,
                         base_mb16 + 2) +
          get_nzc_4x4_uv(cm, cur - mis, mb_row - 1, mb_col,
                         base_mb16 + 3) +
          get_nzc_4x4_uv(cm, cur - mis + 1, mb_row - 1, mb_col + 1,
                         base_mb16 + 2) +
          get_nzc_4x4_uv(cm, cur - mis + 1, mb_row - 1, mb_col + 1,
                         base_mb16 + 3) +
          get_nzc_4x4_uv(cm, cur - mis + 2, mb_row - 1, mb_col + 2,
                         base_mb16 + 2) +
          get_nzc_4x4_uv(cm, cur - mis + 2, mb_row - 1, mb_col + 2,
                         base_mb16 + 3) +
          get_nzc_4x4_uv(cm, cur - mis + 3, mb_row - 1, mb_col + 3,
                         base_mb16 + 2) +
          get_nzc_4x4_uv(cm, cur - mis + 3, mb_row - 1, mb_col + 3,
                         base_mb16 + 3) +
          get_nzc_4x4_uv(cm, cur - 1, mb_row, mb_col - 1,
                         base_mb16 + 1) +
          get_nzc_4x4_uv(cm, cur - 1, mb_row, mb_col - 1,
                         base_mb16 + 3) +
          get_nzc_4x4_uv(cm, cur - 1 + mis, mb_row + 1, mb_col - 1,
                         base_mb16 + 1) +
          get_nzc_4x4_uv(cm, cur - 1 + mis, mb_row + 1, mb_col - 1,
                         base_mb16 + 3) +
          get_nzc_4x4_uv(cm, cur - 1 + 2 * mis, mb_row + 2, mb_col - 1,
                         base_mb16 + 1) +
          get_nzc_4x4_uv(cm, cur - 1 + 2 * mis, mb_row + 2, mb_col - 1,
                         base_mb16 + 3) +
          get_nzc_4x4_uv(cm, cur - 1 + 3 * mis, mb_row + 3, mb_col - 1,
                         base_mb16 + 1) +
          get_nzc_4x4_uv(cm, cur - 1 + 3 * mis, mb_row + 3, mb_col - 1,
                         base_mb16 + 3);
      nzc_exp <<= 2;
      // Note nzc_exp is 64 times the average value expected at 32x32 scale
      return choose_nzc_context(nzc_exp, NZC_T2_32X32, NZC_T1_32X32);

    case TX_16X16:
      // uv txfm_size 16x16
      assert((block & 15) == 0);
      if (boff < 32) {
        int o = (boff >> 4) & 1;
        nzc_exp =
            get_nzc_4x4_uv(cm, cur - mis + o, mb_row - 1, mb_col + o,
                           base_mb16 + 2) +
            get_nzc_4x4_uv(cm, cur - mis + o, mb_row - 1, mb_col + o,
                           base_mb16 + 3) +
            get_nzc_4x4_uv(cm, cur - mis + o + 1, mb_row - 1, mb_col + o + 1,
                           base_mb16 + 2) +
            get_nzc_4x4_uv(cm, cur - mis + o + 1, mb_row - 1, mb_col + o + 1,
                           base_mb16 + 3);
      } else {
        nzc_exp = cur->mbmi.nzcs[block - 32] << 4;
      }
      if ((boff & 31) == 0) {
        int o = boff >> 5;
        nzc_exp +=
            get_nzc_4x4_uv(cm, cur - 1 + o * mis,
                           mb_row + o, mb_col - 1, base_mb16 + 1) +
            get_nzc_4x4_uv(cm, cur - 1 + o * mis,
                           mb_row + o, mb_col - 1, base_mb16 + 3) +
            get_nzc_4x4_uv(cm, cur - 1 + o * mis + mis,
                           mb_row + o + 1, mb_col - 1, base_mb16 + 1) +
            get_nzc_4x4_uv(cm, cur - 1 + o * mis + mis,
                           mb_row + o + 1, mb_col - 1, base_mb16 + 3);
      } else {
        nzc_exp += cur->mbmi.nzcs[block - 16] << 4;
      }
      nzc_exp <<= 1;
      // Note nzc_exp is 64 times the average value expected at 16x16 scale
      return choose_nzc_context(nzc_exp, NZC_T2_16X16, NZC_T1_16X16);

    case TX_8X8:
      assert((block & 3) == 0);
      if (boff < 16) {
        int o = boff >> 2;
        nzc_exp =
            get_nzc_4x4_uv(cm, cur - mis + o, mb_row - 1, mb_col + o,
                           base_mb16 + 2) +
            get_nzc_4x4_uv(cm, cur - mis + o, mb_row - 1, mb_col + o,
                           base_mb16 + 3);
      } else {
        nzc_exp = cur->mbmi.nzcs[block - 16] << 5;
      }
      if ((boff & 15) == 0) {
        int o = boff >> 4;
        nzc_exp +=
            get_nzc_4x4_uv(cm, cur - 1 + o * mis, mb_row + o, mb_col - 1,
                           base_mb16 + 1) +
            get_nzc_4x4_uv(cm, cur - 1 + o * mis, mb_row + o, mb_col - 1,
                           base_mb16 + 3);
      } else {
        nzc_exp += cur->mbmi.nzcs[block - 4] << 5;
      }
      // Note nzc_exp is 64 times the average value expected at 8x8 scale
      return choose_nzc_context(nzc_exp, NZC_T2_8X8, NZC_T1_8X8);

    case TX_4X4:
      if (boff < 8) {
        int o = boff >> 1;
        int p = boff & 1;
        nzc_exp = get_nzc_4x4_uv(cm, cur - mis + o, mb_row - 1, mb_col + o,
                                 base_mb16 + 2 + p);
      } else {
        nzc_exp = (cur->mbmi.nzcs[block - 8] << 6);
      }
      if ((boff & 7) == 0) {
        int o = boff >> 4;
        int p = (boff >> 3) & 1;
        nzc_exp += get_nzc_4x4_uv(cm, cur - 1 + o * mis, mb_row + o, mb_col - 1,
                                  base_mb16 + 1 + 2 * p);
      } else {
        nzc_exp += (cur->mbmi.nzcs[block - 1] << 6);
      }
      nzc_exp >>= 1;
      // Note nzc_exp is 64 times the average value expected at 4x4 scale
      return choose_nzc_context(nzc_exp, NZC_T2_4X4, NZC_T1_4X4);

    default:
      return 0;
  }
}

int vp9_get_nzc_context_uv_sb32(VP9_COMMON *cm, MODE_INFO *cur,
                                int mb_row, int mb_col, int block) {
  // returns an index in [0, MAX_NZC_CONTEXTS - 1] to reflect how busy
  // neighboring blocks are
  int mis = cm->mode_info_stride;
  int nzc_exp = 0;
  const int base = block - (block & 15);
  const int boff = (block & 15);
  const int base_mb16 = base >> 2;
  TX_SIZE txfm_size = cur->mbmi.txfm_size;
  TX_SIZE txfm_size_uv;

  assert(block >= 64 && block < 96);
  if (txfm_size == TX_32X32)
    txfm_size_uv = TX_16X16;
  else
    txfm_size_uv = txfm_size;

  switch (txfm_size_uv) {
    case TX_16X16:
      // uv txfm_size 16x16
      assert(block == 64 || block == 80);
      nzc_exp =
          get_nzc_4x4_uv(cm, cur - mis, mb_row - 1, mb_col,
                         base_mb16 + 2) +
          get_nzc_4x4_uv(cm, cur - mis, mb_row - 1, mb_col,
                         base_mb16 + 3) +
          get_nzc_4x4_uv(cm, cur - mis + 1, mb_row - 1, mb_col + 1,
                         base_mb16 + 2) +
          get_nzc_4x4_uv(cm, cur - mis + 1, mb_row - 1, mb_col + 1,
                         base_mb16 + 3) +
          get_nzc_4x4_uv(cm, cur - 1 + mis, mb_row, mb_col - 1,
                         base_mb16 + 1) +
          get_nzc_4x4_uv(cm, cur - 1 + mis, mb_row, mb_col - 1,
                         base_mb16 + 3) +
          get_nzc_4x4_uv(cm, cur - 1 + mis, mb_row + 1, mb_col - 1,
                         base_mb16 + 1) +
          get_nzc_4x4_uv(cm, cur - 1 + mis, mb_row + 1, mb_col - 1,
                         base_mb16 + 3);
      nzc_exp <<= 1;
      // Note nzc_exp is 64 times the average value expected at 16x16 scale
      return choose_nzc_context(nzc_exp, NZC_T2_16X16, NZC_T1_16X16);
      break;

    case TX_8X8:
      assert((block & 3) == 0);
      if (boff < 8) {
        int o = boff >> 2;
        nzc_exp =
            get_nzc_4x4_uv(cm, cur - mis + o, mb_row - 1, mb_col + o,
                           base_mb16 + 2) +
            get_nzc_4x4_uv(cm, cur - mis + o, mb_row - 1, mb_col + o,
                           base_mb16 + 3);
      } else {
        nzc_exp = cur->mbmi.nzcs[block - 8] << 5;
      }
      if ((boff & 7) == 0) {
        int o = boff >> 3;
        nzc_exp +=
            get_nzc_4x4_uv(cm, cur - 1 + o * mis, mb_row + o, mb_col - 1,
                           base_mb16 + 1) +
            get_nzc_4x4_uv(cm, cur - 1 + o * mis, mb_row + o, mb_col - 1,
                           base_mb16 + 3);
      } else {
        nzc_exp += cur->mbmi.nzcs[block - 4] << 5;
      }
      // Note nzc_exp is 64 times the average value expected at 8x8 scale
      return choose_nzc_context(nzc_exp, NZC_T2_8X8, NZC_T1_8X8);

    case TX_4X4:
      if (boff < 4) {
        int o = boff >> 1;
        int p = boff & 1;
        nzc_exp = get_nzc_4x4_uv(cm, cur - mis + o, mb_row - 1, mb_col + o,
                                 base_mb16 + 2 + p);
      } else {
        nzc_exp = (cur->mbmi.nzcs[block - 4] << 6);
      }
      if ((boff & 3) == 0) {
        int o = boff >> 3;
        int p = (boff >> 2) & 1;
        nzc_exp += get_nzc_4x4_uv(cm, cur - 1 + o * mis, mb_row + o, mb_col - 1,
                                  base_mb16 + 1 + 2 * p);
      } else {
        nzc_exp += (cur->mbmi.nzcs[block - 1] << 6);
      }
      nzc_exp >>= 1;
      // Note nzc_exp is 64 times the average value expected at 4x4 scale
      return choose_nzc_context(nzc_exp, NZC_T2_4X4, NZC_T1_4X4);

    default:
      return 0;
  }
}

int vp9_get_nzc_context_uv_mb16(VP9_COMMON *cm, MODE_INFO *cur,
                                int mb_row, int mb_col, int block) {
  // returns an index in [0, MAX_NZC_CONTEXTS - 1] to reflect how busy
  // neighboring blocks are
  int mis = cm->mode_info_stride;
  int nzc_exp = 0;
  const int base = block - (block & 3);
  const int boff = (block & 3);
  const int base_mb16 = base;
  TX_SIZE txfm_size = cur->mbmi.txfm_size;
  TX_SIZE txfm_size_uv;

  assert(block >= 16 && block < 24);
  if (txfm_size == TX_16X16)
    txfm_size_uv = TX_8X8;
  else if (txfm_size == TX_8X8 &&
           (cur->mbmi.mode == I8X8_PRED || cur->mbmi.mode == SPLITMV))
    txfm_size_uv = TX_4X4;
  else
    txfm_size_uv = txfm_size;

  switch (txfm_size_uv) {
    case TX_8X8:
      assert((block & 3) == 0);
      nzc_exp =
          get_nzc_4x4_uv(cm, cur - mis, mb_row - 1, mb_col, base_mb16 + 2) +
          get_nzc_4x4_uv(cm, cur - mis, mb_row - 1, mb_col, base_mb16 + 3) +
          get_nzc_4x4_uv(cm, cur - 1, mb_row, mb_col - 1, base_mb16 + 1) +
          get_nzc_4x4_uv(cm, cur - 1, mb_row, mb_col - 1, base_mb16 + 3);
      // Note nzc_exp is 64 times the average value expected at 8x8 scale
      return choose_nzc_context(nzc_exp, NZC_T2_8X8, NZC_T1_8X8);

    case TX_4X4:
      if (boff < 2) {
        int p = boff & 1;
        nzc_exp = get_nzc_4x4_uv(cm, cur - mis, mb_row - 1, mb_col,
                                 base_mb16 + 2 + p);
      } else {
        nzc_exp = (cur->mbmi.nzcs[block - 2] << 6);
      }
      if ((boff & 1) == 0) {
        int p = (boff >> 1) & 1;
        nzc_exp += get_nzc_4x4_uv(cm, cur - 1, mb_row, mb_col - 1,
                                  base_mb16 + 1 + 2 * p);
      } else {
        nzc_exp += (cur->mbmi.nzcs[block - 1] << 6);
      }
      nzc_exp >>= 1;
      // Note nzc_exp is 64 times the average value expected at 4x4 scale
      return choose_nzc_context(nzc_exp, NZC_T2_4X4, NZC_T1_4X4);

    default:
      return 0;
  }
}

int vp9_get_nzc_context(VP9_COMMON *cm, MACROBLOCKD *xd, int block) {
  if (xd->mode_info_context->mbmi.sb_type == BLOCK_SIZE_SB64X64) {
    assert(block < 384);
    if (block < 256)
      return vp9_get_nzc_context_y_sb64(cm, xd->mode_info_context,
                                        get_mb_row(xd), get_mb_col(xd), block);
    else
      return vp9_get_nzc_context_uv_sb64(cm, xd->mode_info_context,
                                         get_mb_row(xd), get_mb_col(xd), block);
  } else if (xd->mode_info_context->mbmi.sb_type == BLOCK_SIZE_SB32X32) {
    assert(block < 96);
    if (block < 64)
      return vp9_get_nzc_context_y_sb32(cm, xd->mode_info_context,
                                        get_mb_row(xd), get_mb_col(xd), block);
    else
      return vp9_get_nzc_context_uv_sb32(cm, xd->mode_info_context,
                                         get_mb_row(xd), get_mb_col(xd), block);
  } else {
    assert(block < 64);
    if (block < 16)
      return vp9_get_nzc_context_y_mb16(cm, xd->mode_info_context,
                                        get_mb_row(xd), get_mb_col(xd), block);
    else
      return vp9_get_nzc_context_uv_mb16(cm, xd->mode_info_context,
                                         get_mb_row(xd), get_mb_col(xd), block);
  }
}

static void update_nzc(VP9_COMMON *cm,
                       uint16_t nzc,
                       int nzc_context,
                       TX_SIZE tx_size,
                       int ref,
                       int type) {
  int e, c;
  if (!get_nzc_used(tx_size)) return;
  c = codenzc(nzc);
  if (tx_size == TX_32X32)
    cm->fc.nzc_counts_32x32[nzc_context][ref][type][c]++;
  else if (tx_size == TX_16X16)
    cm->fc.nzc_counts_16x16[nzc_context][ref][type][c]++;
  else if (tx_size == TX_8X8)
    cm->fc.nzc_counts_8x8[nzc_context][ref][type][c]++;
  else if (tx_size == TX_4X4)
    cm->fc.nzc_counts_4x4[nzc_context][ref][type][c]++;
  else
    assert(0);

  if ((e = vp9_extranzcbits[c])) {
    int x = nzc - vp9_basenzcvalue[c];
    while (e--) {
      int b = (x >> e) & 1;
      cm->fc.nzc_pcat_counts[nzc_context][c - NZC_TOKENS_NOEXTRA][e][b]++;
    }
  }
}

static void update_nzcs_sb64(VP9_COMMON *cm,
                             MACROBLOCKD *xd,
                             int mb_row,
                             int mb_col) {
  MODE_INFO *m = xd->mode_info_context;
  MB_MODE_INFO *const mi = &m->mbmi;
  int j, nzc_context;
  const int ref = m->mbmi.ref_frame != INTRA_FRAME;

  assert(mb_col == get_mb_col(xd));
  assert(mb_row == get_mb_row(xd));

  if (mi->mb_skip_coeff)
    return;

  switch (mi->txfm_size) {
    case TX_32X32:
      for (j = 0; j < 256; j += 64) {
        nzc_context = vp9_get_nzc_context_y_sb64(cm, m, mb_row, mb_col, j);
        update_nzc(cm, m->mbmi.nzcs[j], nzc_context, TX_32X32, ref, 0);
      }
      for (j = 256; j < 384; j += 64) {
        nzc_context = vp9_get_nzc_context_uv_sb64(cm, m, mb_row, mb_col, j);
        update_nzc(cm, m->mbmi.nzcs[j], nzc_context, TX_32X32, ref, 1);
      }
      break;

    case TX_16X16:
      for (j = 0; j < 256; j += 16) {
        nzc_context = vp9_get_nzc_context_y_sb64(cm, m, mb_row, mb_col, j);
        update_nzc(cm, m->mbmi.nzcs[j], nzc_context, TX_16X16, ref, 0);
      }
      for (j = 256; j < 384; j += 16) {
        nzc_context = vp9_get_nzc_context_uv_sb64(cm, m, mb_row, mb_col, j);
        update_nzc(cm, m->mbmi.nzcs[j], nzc_context, TX_16X16, ref, 1);
      }
      break;

    case TX_8X8:
      for (j = 0; j < 256; j += 4) {
        nzc_context = vp9_get_nzc_context_y_sb64(cm, m, mb_row, mb_col, j);
        update_nzc(cm, m->mbmi.nzcs[j], nzc_context, TX_8X8, ref, 0);
      }
      for (j = 256; j < 384; j += 4) {
        nzc_context = vp9_get_nzc_context_uv_sb64(cm, m, mb_row, mb_col, j);
        update_nzc(cm, m->mbmi.nzcs[j], nzc_context, TX_8X8, ref, 1);
      }
      break;

    case TX_4X4:
      for (j = 0; j < 256; ++j) {
        nzc_context = vp9_get_nzc_context_y_sb64(cm, m, mb_row, mb_col, j);
        update_nzc(cm, m->mbmi.nzcs[j], nzc_context, TX_4X4, ref, 0);
      }
      for (j = 256; j < 384; ++j) {
        nzc_context = vp9_get_nzc_context_uv_sb64(cm, m, mb_row, mb_col, j);
        update_nzc(cm, m->mbmi.nzcs[j], nzc_context, TX_4X4, ref, 1);
      }
      break;

    default:
      break;
  }
}

static void update_nzcs_sb32(VP9_COMMON *cm,
                            MACROBLOCKD *xd,
                            int mb_row,
                            int mb_col) {
  MODE_INFO *m = xd->mode_info_context;
  MB_MODE_INFO *const mi = &m->mbmi;
  int j, nzc_context;
  const int ref = m->mbmi.ref_frame != INTRA_FRAME;

  assert(mb_col == get_mb_col(xd));
  assert(mb_row == get_mb_row(xd));

  if (mi->mb_skip_coeff)
    return;

  switch (mi->txfm_size) {
    case TX_32X32:
      for (j = 0; j < 64; j += 64) {
        nzc_context = vp9_get_nzc_context_y_sb32(cm, m, mb_row, mb_col, j);
        update_nzc(cm, m->mbmi.nzcs[j], nzc_context, TX_32X32, ref, 0);
      }
      for (j = 64; j < 96; j += 16) {
        nzc_context = vp9_get_nzc_context_uv_sb32(cm, m, mb_row, mb_col, j);
        update_nzc(cm, m->mbmi.nzcs[j], nzc_context, TX_16X16, ref, 1);
      }
      break;

    case TX_16X16:
      for (j = 0; j < 64; j += 16) {
        nzc_context = vp9_get_nzc_context_y_sb32(cm, m, mb_row, mb_col, j);
        update_nzc(cm, m->mbmi.nzcs[j], nzc_context, TX_16X16, ref, 0);
      }
      for (j = 64; j < 96; j += 16) {
        nzc_context = vp9_get_nzc_context_uv_sb32(cm, m, mb_row, mb_col, j);
        update_nzc(cm, m->mbmi.nzcs[j], nzc_context, TX_16X16, ref, 1);
      }
      break;

    case TX_8X8:
      for (j = 0; j < 64; j += 4) {
        nzc_context = vp9_get_nzc_context_y_sb32(cm, m, mb_row, mb_col, j);
        update_nzc(cm, m->mbmi.nzcs[j], nzc_context, TX_8X8, ref, 0);
      }
      for (j = 64; j < 96; j += 4) {
        nzc_context = vp9_get_nzc_context_uv_sb32(cm, m, mb_row, mb_col, j);
        update_nzc(cm, m->mbmi.nzcs[j], nzc_context, TX_8X8, ref, 1);
      }
      break;

    case TX_4X4:
      for (j = 0; j < 64; ++j) {
        nzc_context = vp9_get_nzc_context_y_sb32(cm, m, mb_row, mb_col, j);
        update_nzc(cm, m->mbmi.nzcs[j], nzc_context, TX_4X4, ref, 0);
      }
      for (j = 64; j < 96; ++j) {
        nzc_context = vp9_get_nzc_context_uv_sb32(cm, m, mb_row, mb_col, j);
        update_nzc(cm, m->mbmi.nzcs[j], nzc_context, TX_4X4, ref, 1);
      }
      break;

    default:
      break;
  }
}

static void update_nzcs_mb16(VP9_COMMON *cm,
                             MACROBLOCKD *xd,
                             int mb_row,
                             int mb_col) {
  MODE_INFO *m = xd->mode_info_context;
  MB_MODE_INFO *const mi = &m->mbmi;
  int j, nzc_context;
  const int ref = m->mbmi.ref_frame != INTRA_FRAME;

  assert(mb_col == get_mb_col(xd));
  assert(mb_row == get_mb_row(xd));

  if (mi->mb_skip_coeff)
    return;

  switch (mi->txfm_size) {
    case TX_16X16:
      for (j = 0; j < 16; j += 16) {
        nzc_context = vp9_get_nzc_context_y_mb16(cm, m, mb_row, mb_col, j);
        update_nzc(cm, m->mbmi.nzcs[j], nzc_context, TX_16X16, ref, 0);
      }
      for (j = 16; j < 24; j += 4) {
        nzc_context = vp9_get_nzc_context_uv_mb16(cm, m, mb_row, mb_col, j);
        update_nzc(cm, m->mbmi.nzcs[j], nzc_context, TX_8X8, ref, 1);
      }
      break;

    case TX_8X8:
      for (j = 0; j < 16; j += 4) {
        nzc_context = vp9_get_nzc_context_y_mb16(cm, m, mb_row, mb_col, j);
        update_nzc(cm, m->mbmi.nzcs[j], nzc_context, TX_8X8, ref, 0);
      }
      if (mi->mode == I8X8_PRED || mi->mode == SPLITMV) {
        for (j = 16; j < 24; ++j) {
          nzc_context = vp9_get_nzc_context_uv_mb16(cm, m, mb_row, mb_col, j);
          update_nzc(cm, m->mbmi.nzcs[j], nzc_context, TX_4X4, ref, 1);
        }
      } else {
        for (j = 16; j < 24; j += 4) {
          nzc_context = vp9_get_nzc_context_uv_mb16(cm, m, mb_row, mb_col, j);
          update_nzc(cm, m->mbmi.nzcs[j], nzc_context, TX_8X8, ref, 1);
        }
      }
      break;

    case TX_4X4:
      for (j = 0; j < 16; ++j) {
        nzc_context = vp9_get_nzc_context_y_mb16(cm, m, mb_row, mb_col, j);
        update_nzc(cm, m->mbmi.nzcs[j], nzc_context, TX_4X4, ref, 0);
      }
      for (j = 16; j < 24; ++j) {
        nzc_context = vp9_get_nzc_context_uv_mb16(cm, m, mb_row, mb_col, j);
        update_nzc(cm, m->mbmi.nzcs[j], nzc_context, TX_4X4, ref, 1);
      }
      break;

    default:
      break;
  }
}

void vp9_update_nzc_counts(VP9_COMMON *cm,
                           MACROBLOCKD *xd,
                           int mb_row,
                           int mb_col) {
  if (xd->mode_info_context->mbmi.sb_type == BLOCK_SIZE_SB64X64)
    update_nzcs_sb64(cm, xd, mb_row, mb_col);
  else if (xd->mode_info_context->mbmi.sb_type == BLOCK_SIZE_SB32X32)
    update_nzcs_sb32(cm, xd, mb_row, mb_col);
  else
    update_nzcs_mb16(cm, xd, mb_row, mb_col);
}
#endif  // CONFIG_CODE_NONZEROCOUNT

// #define COEF_COUNT_TESTING

#define COEF_COUNT_SAT 24
#define COEF_MAX_UPDATE_FACTOR 112
#define COEF_COUNT_SAT_KEY 24
#define COEF_MAX_UPDATE_FACTOR_KEY 112
#define COEF_COUNT_SAT_AFTER_KEY 24
#define COEF_MAX_UPDATE_FACTOR_AFTER_KEY 128

static void adapt_coef_probs(vp9_coeff_probs *dst_coef_probs,
                             vp9_coeff_probs *pre_coef_probs,
                             int qindex, vp9_coeff_count *coef_counts,
                             unsigned int (*eob_branch_count)[REF_TYPES]
                                                             [COEF_BANDS]
                                                      [PREV_COEF_CONTEXTS],
                             int count_sat, int update_factor) {
  int t, i, j, k, l, count;
  unsigned int branch_ct[ENTROPY_NODES][2];
  vp9_prob coef_probs[ENTROPY_NODES];
  int factor;
#if CONFIG_MODELCOEFPROB && MODEL_BASED_ADAPT
  int entropy_nodes_adapt = UNCONSTRAINED_ADAPT_NODES;
#else
  int entropy_nodes_adapt = ENTROPY_NODES;
#endif

  for (i = 0; i < BLOCK_TYPES; ++i)
    for (j = 0; j < REF_TYPES; ++j)
      for (k = 0; k < COEF_BANDS; ++k)
        for (l = 0; l < PREV_COEF_CONTEXTS; ++l) {
          if (l >= 3 && k == 0)
            continue;
          vp9_tree_probs_from_distribution(vp9_coef_tree,
                                           coef_probs, branch_ct,
                                           coef_counts[i][j][k][l], 0);
          branch_ct[0][1] = eob_branch_count[i][j][k][l] - branch_ct[0][0];
          coef_probs[0] = get_binary_prob(branch_ct[0][0], branch_ct[0][1]);
          for (t = 0; t < entropy_nodes_adapt; ++t) {
            count = branch_ct[t][0] + branch_ct[t][1];
            count = count > count_sat ? count_sat : count;
            factor = (update_factor * count / count_sat);
            dst_coef_probs[i][j][k][l][t] =
                weighted_prob(pre_coef_probs[i][j][k][l][t],
                              coef_probs[t], factor);
#if CONFIG_MODELCOEFPROB && MODEL_BASED_ADAPT
            if (t == UNCONSTRAINED_NODES - 1)
              vp9_get_model_distribution(
                  dst_coef_probs[i][j][k][l][UNCONSTRAINED_NODES - 1],
                  dst_coef_probs[i][j][k][l], i, j);
#endif
          }
        }
}

void vp9_adapt_coef_probs(VP9_COMMON *cm) {
  int count_sat;
  int update_factor; /* denominator 256 */

  if (cm->frame_type == KEY_FRAME) {
    update_factor = COEF_MAX_UPDATE_FACTOR_KEY;
    count_sat = COEF_COUNT_SAT_KEY;
  } else if (cm->last_frame_type == KEY_FRAME) {
    update_factor = COEF_MAX_UPDATE_FACTOR_AFTER_KEY;  /* adapt quickly */
    count_sat = COEF_COUNT_SAT_AFTER_KEY;
  } else {
    update_factor = COEF_MAX_UPDATE_FACTOR;
    count_sat = COEF_COUNT_SAT;
  }

  adapt_coef_probs(cm->fc.coef_probs_4x4, cm->fc.pre_coef_probs_4x4,
                   cm->base_qindex, cm->fc.coef_counts_4x4,
                   cm->fc.eob_branch_counts[TX_4X4],
                   count_sat, update_factor);
  adapt_coef_probs(cm->fc.coef_probs_8x8, cm->fc.pre_coef_probs_8x8,
                   cm->base_qindex, cm->fc.coef_counts_8x8,
                   cm->fc.eob_branch_counts[TX_8X8],
                   count_sat, update_factor);
  adapt_coef_probs(cm->fc.coef_probs_16x16, cm->fc.pre_coef_probs_16x16,
                   cm->base_qindex, cm->fc.coef_counts_16x16,
                   cm->fc.eob_branch_counts[TX_16X16],
                   count_sat, update_factor);
  adapt_coef_probs(cm->fc.coef_probs_32x32, cm->fc.pre_coef_probs_32x32,
                   cm->base_qindex, cm->fc.coef_counts_32x32,
                   cm->fc.eob_branch_counts[TX_32X32],
                   count_sat, update_factor);
}

#if CONFIG_CODE_NONZEROCOUNT
static void adapt_nzc_probs_common(VP9_COMMON *cm,
                                   TX_SIZE tx_size,
                                   int count_sat,
                                   int update_factor) {
  int c, r, b, n;
  int count, factor;
  unsigned int nzc_branch_ct[NZC32X32_NODES][2];
  vp9_prob nzc_probs[NZC32X32_NODES];
  int tokens, nodes;
  const vp9_tree_index *nzc_tree;
  vp9_prob *dst_nzc_probs;
  vp9_prob *pre_nzc_probs;
  unsigned int *nzc_counts;

  if (!get_nzc_used(tx_size)) return;
  if (tx_size == TX_32X32) {
    tokens = NZC32X32_TOKENS;
    nzc_tree = vp9_nzc32x32_tree;
    dst_nzc_probs = cm->fc.nzc_probs_32x32[0][0][0];
    pre_nzc_probs = cm->fc.pre_nzc_probs_32x32[0][0][0];
    nzc_counts = cm->fc.nzc_counts_32x32[0][0][0];
  } else if (tx_size == TX_16X16) {
    tokens = NZC16X16_TOKENS;
    nzc_tree = vp9_nzc16x16_tree;
    dst_nzc_probs = cm->fc.nzc_probs_16x16[0][0][0];
    pre_nzc_probs = cm->fc.pre_nzc_probs_16x16[0][0][0];
    nzc_counts = cm->fc.nzc_counts_16x16[0][0][0];
  } else if (tx_size == TX_8X8) {
    tokens = NZC8X8_TOKENS;
    nzc_tree = vp9_nzc8x8_tree;
    dst_nzc_probs = cm->fc.nzc_probs_8x8[0][0][0];
    pre_nzc_probs = cm->fc.pre_nzc_probs_8x8[0][0][0];
    nzc_counts = cm->fc.nzc_counts_8x8[0][0][0];
  } else {
    nzc_tree = vp9_nzc4x4_tree;
    tokens = NZC4X4_TOKENS;
    dst_nzc_probs = cm->fc.nzc_probs_4x4[0][0][0];
    pre_nzc_probs = cm->fc.pre_nzc_probs_4x4[0][0][0];
    nzc_counts = cm->fc.nzc_counts_4x4[0][0][0];
  }
  nodes = tokens - 1;
  for (c = 0; c < MAX_NZC_CONTEXTS; ++c)
    for (r = 0; r < REF_TYPES; ++r)
      for (b = 0; b < BLOCK_TYPES; ++b) {
        int offset = c * REF_TYPES * BLOCK_TYPES + r * BLOCK_TYPES + b;
        int offset_nodes = offset * nodes;
        int offset_tokens = offset * tokens;
        vp9_tree_probs_from_distribution(nzc_tree,
                                         nzc_probs, nzc_branch_ct,
                                         nzc_counts + offset_tokens, 0);
        for (n = 0; n < nodes; ++n) {
          count = nzc_branch_ct[n][0] + nzc_branch_ct[n][1];
          count = count > count_sat ? count_sat : count;
          factor = (update_factor * count / count_sat);
          dst_nzc_probs[offset_nodes + n] =
              weighted_prob(pre_nzc_probs[offset_nodes + n],
                            nzc_probs[n], factor);
        }
      }
}

static void adapt_nzc_pcat(VP9_COMMON *cm, int count_sat, int update_factor) {
  int c, t;
  int count, factor;
  if (!(get_nzc_used(TX_4X4) || get_nzc_used(TX_8X8) ||
        get_nzc_used(TX_16X16) || get_nzc_used(TX_32X32)))
    return;
  for (c = 0; c < MAX_NZC_CONTEXTS; ++c) {
    for (t = 0; t < NZC_TOKENS_EXTRA; ++t) {
      int bits = vp9_extranzcbits[t + NZC_TOKENS_NOEXTRA];
      int b;
      for (b = 0; b < bits; ++b) {
        vp9_prob prob = get_binary_prob(cm->fc.nzc_pcat_counts[c][t][b][0],
                                        cm->fc.nzc_pcat_counts[c][t][b][1]);
        count = cm->fc.nzc_pcat_counts[c][t][b][0] +
                cm->fc.nzc_pcat_counts[c][t][b][1];
        count = count > count_sat ? count_sat : count;
        factor = (update_factor * count / count_sat);
        cm->fc.nzc_pcat_probs[c][t][b] = weighted_prob(
            cm->fc.pre_nzc_pcat_probs[c][t][b], prob, factor);
      }
    }
  }
}

// #define NZC_COUNT_TESTING
void vp9_adapt_nzc_probs(VP9_COMMON *cm) {
  int count_sat;
  int update_factor; /* denominator 256 */
#ifdef NZC_COUNT_TESTING
  int c, r, b, t;
  printf("\n");
  for (c = 0; c < MAX_NZC_CONTEXTS; ++c)
    for (r = 0; r < REF_TYPES; ++r) {
      for (b = 0; b < BLOCK_TYPES; ++b) {
        printf("    {");
        for (t = 0; t < NZC4X4_TOKENS; ++t) {
          printf(" %d,", cm->fc.nzc_counts_4x4[c][r][b][t]);
        }
        printf("}\n");
      }
      printf("\n");
    }
#endif

  if (cm->frame_type == KEY_FRAME) {
    update_factor = COEF_MAX_UPDATE_FACTOR_KEY;
    count_sat = COEF_COUNT_SAT_KEY;
  } else if (cm->last_frame_type == KEY_FRAME) {
    update_factor = COEF_MAX_UPDATE_FACTOR_AFTER_KEY;  /* adapt quickly */
    count_sat = COEF_COUNT_SAT_AFTER_KEY;
  } else {
    update_factor = COEF_MAX_UPDATE_FACTOR;
    count_sat = COEF_COUNT_SAT;
  }

  adapt_nzc_probs_common(cm, TX_4X4, count_sat, update_factor);
  adapt_nzc_probs_common(cm, TX_8X8, count_sat, update_factor);
  adapt_nzc_probs_common(cm, TX_16X16, count_sat, update_factor);
  adapt_nzc_probs_common(cm, TX_32X32, count_sat, update_factor);
  adapt_nzc_pcat(cm, count_sat, update_factor);
}
#endif  // CONFIG_CODE_NONZEROCOUNT