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FFmpeg/libavcodec/h264_cabac.c

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  1. /*

  2.  * H.26L/H.264/AVC/JVT/14496-10/... cabac decoding

  3.  * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>

  4.  *

  5.  * This file is part of FFmpeg.

  6.  *

  7.  * FFmpeg is free software; you can redistribute it and/or

  8.  * modify it under the terms of the GNU Lesser General Public

  9.  * License as published by the Free Software Foundation; either

  10.  * version 2.1 of the License, or (at your option) any later version.

  11.  *

  12.  * FFmpeg is distributed in the hope that it will be useful,

  13.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  14.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

  15.  * Lesser General Public License for more details.

  16.  *

  17.  * You should have received a copy of the GNU Lesser General Public

  18.  * License along with FFmpeg; if not, write to the Free Software

  19.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

  20.  */

  21. 

  22. /**

  23.  * @file

  24.  * H.264 / AVC / MPEG4 part10 cabac decoding.

  25.  * @author Michael Niedermayer <michaelni@gmx.at>

  26.  */

  27. 

  28. #define CABAC 1

  29. 

  30. #include "internal.h"

  31. #include "dsputil.h"

  32. #include "avcodec.h"

  33. #include "h264.h"

  34. #include "h264data.h"

  35. #include "h264_mvpred.h"

  36. #include "golomb.h"

  37. 

  38. #include "cabac.h"

  39. #if ARCH_X86

  40. #include "x86/h264_i386.h"

  41. #endif

  42. 

  43. //#undef NDEBUG

  44. #include <assert.h>

  45. 

  46. /* Cabac pre state table */

  47. 

  48. static const int8_t cabac_context_init_I[1024][2] =

  49. {

  50.     /* 0 - 10 */

  51.     { 20, -15 }, {  2, 54 },  {  3,  74 }, { 20, -15 },

  52.     {  2,  54 }, {  3, 74 },  { -28,127 }, { -23, 104 },

  53.     { -6,  53 }, { -1, 54 },  {  7,  51 },

  54. 

  55.     /* 11 - 23 unsused for I */

  56.     { 0, 0 },    { 0, 0 },    { 0, 0 },      { 0, 0 },

  57.     { 0, 0 },    { 0, 0 },    { 0, 0 },      { 0, 0 },

  58.     { 0, 0 },    { 0, 0 },    { 0, 0 },      { 0, 0 },

  59.     { 0, 0 },

  60. 

  61.     /* 24- 39 */

  62.     { 0, 0 },    { 0, 0 },    { 0, 0 },      { 0, 0 },

  63.     { 0, 0 },    { 0, 0 },    { 0, 0 },      { 0, 0 },

  64.     { 0, 0 },    { 0, 0 },    { 0, 0 },      { 0, 0 },

  65.     { 0, 0 },    { 0, 0 },    { 0, 0 },      { 0, 0 },

  66. 

  67.     /* 40 - 53 */

  68.     { 0, 0 },    { 0, 0 },    { 0, 0 },      { 0, 0 },

  69.     { 0, 0 },    { 0, 0 },    { 0, 0 },      { 0, 0 },

  70.     { 0, 0 },    { 0, 0 },    { 0, 0 },      { 0, 0 },

  71.     { 0, 0 },    { 0, 0 },

  72. 

  73.     /* 54 - 59 */

  74.     { 0, 0 },    { 0, 0 },    { 0, 0 },      { 0, 0 },

  75.     { 0, 0 },    { 0, 0 },

  76. 

  77.     /* 60 - 69 */

  78.     { 0, 41 },   { 0, 63 },   { 0, 63 },     { 0, 63 },

  79.     { -9, 83 },  { 4, 86 },   { 0, 97 },     { -7, 72 },

  80.     { 13, 41 },  { 3, 62 },

  81. 

  82.     /* 70 -> 87 */

  83.     { 0, 11 },   { 1, 55 },   { 0, 69 },     { -17, 127 },

  84.     { -13, 102 },{ 0, 82 },   { -7, 74 },    { -21, 107 },

  85.     { -27, 127 },{ -31, 127 },{ -24, 127 },  { -18, 95 },

  86.     { -27, 127 },{ -21, 114 },{ -30, 127 },  { -17, 123 },

  87.     { -12, 115 },{ -16, 122 },

  88. 

  89.     /* 88 -> 104 */

  90.     { -11, 115 },{ -12, 63 }, { -2, 68 },    { -15, 84 },

  91.     { -13, 104 },{ -3, 70 },  { -8, 93 },    { -10, 90 },

  92.     { -30, 127 },{ -1, 74 },  { -6, 97 },    { -7, 91 },

  93.     { -20, 127 },{ -4, 56 },  { -5, 82 },    { -7, 76 },

  94.     { -22, 125 },

  95. 

  96.     /* 105 -> 135 */

  97.     { -7, 93 },  { -11, 87 }, { -3, 77 },    { -5, 71 },

  98.     { -4, 63 },  { -4, 68 },  { -12, 84 },   { -7, 62 },

  99.     { -7, 65 },  { 8, 61 },   { 5, 56 },     { -2, 66 },

  100.     { 1, 64 },   { 0, 61 },   { -2, 78 },    { 1, 50 },

  101.     { 7, 52 },   { 10, 35 },  { 0, 44 },     { 11, 38 },

  102.     { 1, 45 },   { 0, 46 },   { 5, 44 },     { 31, 17 },

  103.     { 1, 51 },   { 7, 50 },   { 28, 19 },    { 16, 33 },

  104.     { 14, 62 },  { -13, 108 },{ -15, 100 },

  105. 

  106.     /* 136 -> 165 */

  107.     { -13, 101 },{ -13, 91 }, { -12, 94 },   { -10, 88 },

  108.     { -16, 84 }, { -10, 86 }, { -7, 83 },    { -13, 87 },

  109.     { -19, 94 }, { 1, 70 },   { 0, 72 },     { -5, 74 },

  110.     { 18, 59 },  { -8, 102 }, { -15, 100 },  { 0, 95 },

  111.     { -4, 75 },  { 2, 72 },   { -11, 75 },   { -3, 71 },

  112.     { 15, 46 },  { -13, 69 }, { 0, 62 },     { 0, 65 },

  113.     { 21, 37 },  { -15, 72 }, { 9, 57 },     { 16, 54 },

  114.     { 0, 62 },   { 12, 72 },

  115. 

  116.     /* 166 -> 196 */

  117.     { 24, 0 },   { 15, 9 },   { 8, 25 },     { 13, 18 },

  118.     { 15, 9 },   { 13, 19 },  { 10, 37 },    { 12, 18 },

  119.     { 6, 29 },   { 20, 33 },  { 15, 30 },    { 4, 45 },

  120.     { 1, 58 },   { 0, 62 },   { 7, 61 },     { 12, 38 },

  121.     { 11, 45 },  { 15, 39 },  { 11, 42 },    { 13, 44 },

  122.     { 16, 45 },  { 12, 41 },  { 10, 49 },    { 30, 34 },

  123.     { 18, 42 },  { 10, 55 },  { 17, 51 },    { 17, 46 },

  124.     { 0, 89 },   { 26, -19 }, { 22, -17 },

  125. 

  126.     /* 197 -> 226 */

  127.     { 26, -17 }, { 30, -25 }, { 28, -20 },   { 33, -23 },

  128.     { 37, -27 }, { 33, -23 }, { 40, -28 },   { 38, -17 },

  129.     { 33, -11 }, { 40, -15 }, { 41, -6 },    { 38, 1 },

  130.     { 41, 17 },  { 30, -6 },  { 27, 3 },     { 26, 22 },

  131.     { 37, -16 }, { 35, -4 },  { 38, -8 },    { 38, -3 },

  132.     { 37, 3 },   { 38, 5 },   { 42, 0 },     { 35, 16 },

  133.     { 39, 22 },  { 14, 48 },  { 27, 37 },    { 21, 60 },

  134.     { 12, 68 },  { 2, 97 },

  135. 

  136.     /* 227 -> 251 */

  137.     { -3, 71 },  { -6, 42 },  { -5, 50 },    { -3, 54 },

  138.     { -2, 62 },  { 0, 58 },   { 1, 63 },     { -2, 72 },

  139.     { -1, 74 },  { -9, 91 },  { -5, 67 },    { -5, 27 },

  140.     { -3, 39 },  { -2, 44 },  { 0, 46 },     { -16, 64 },

  141.     { -8, 68 },  { -10, 78 }, { -6, 77 },    { -10, 86 },

  142.     { -12, 92 }, { -15, 55 }, { -10, 60 },   { -6, 62 },

  143.     { -4, 65 },

  144. 

  145.     /* 252 -> 275 */

  146.     { -12, 73 }, { -8, 76 },  { -7, 80 },    { -9, 88 },

  147.     { -17, 110 },{ -11, 97 }, { -20, 84 },   { -11, 79 },

  148.     { -6, 73 },  { -4, 74 },  { -13, 86 },   { -13, 96 },

  149.     { -11, 97 }, { -19, 117 },{ -8, 78 },    { -5, 33 },

  150.     { -4, 48 },  { -2, 53 },  { -3, 62 },    { -13, 71 },

  151.     { -10, 79 }, { -12, 86 }, { -13, 90 },   { -14, 97 },

  152. 

  153.     /* 276 a bit special (not used, bypass is used instead) */

  154.     { 0, 0 },

  155. 

  156.     /* 277 -> 307 */

  157.     { -6, 93 },  { -6, 84 },  { -8, 79 },    { 0, 66 },

  158.     { -1, 71 },  { 0, 62 },   { -2, 60 },    { -2, 59 },

  159.     { -5, 75 },  { -3, 62 },  { -4, 58 },    { -9, 66 },

  160.     { -1, 79 },  { 0, 71 },   { 3, 68 },     { 10, 44 },

  161.     { -7, 62 },  { 15, 36 },  { 14, 40 },    { 16, 27 },

  162.     { 12, 29 },  { 1, 44 },   { 20, 36 },    { 18, 32 },

  163.     { 5, 42 },   { 1, 48 },   { 10, 62 },    { 17, 46 },

  164.     { 9, 64 },   { -12, 104 },{ -11, 97 },

  165. 

  166.     /* 308 -> 337 */

  167.     { -16, 96 }, { -7, 88 },  { -8, 85 },    { -7, 85 },

  168.     { -9, 85 },  { -13, 88 }, { 4, 66 },     { -3, 77 },

  169.     { -3, 76 },  { -6, 76 },  { 10, 58 },    { -1, 76 },

  170.     { -1, 83 },  { -7, 99 },  { -14, 95 },   { 2, 95 },

  171.     { 0, 76 },   { -5, 74 },  { 0, 70 },     { -11, 75 },

  172.     { 1, 68 },   { 0, 65 },   { -14, 73 },   { 3, 62 },

  173.     { 4, 62 },   { -1, 68 },  { -13, 75 },   { 11, 55 },

  174.     { 5, 64 },   { 12, 70 },

  175. 

  176.     /* 338 -> 368 */

  177.     { 15, 6 },   { 6, 19 },   { 7, 16 },     { 12, 14 },

  178.     { 18, 13 },  { 13, 11 },  { 13, 15 },    { 15, 16 },

  179.     { 12, 23 },  { 13, 23 },  { 15, 20 },    { 14, 26 },

  180.     { 14, 44 },  { 17, 40 },  { 17, 47 },    { 24, 17 },

  181.     { 21, 21 },  { 25, 22 },  { 31, 27 },    { 22, 29 },

  182.     { 19, 35 },  { 14, 50 },  { 10, 57 },    { 7, 63 },

  183.     { -2, 77 },  { -4, 82 },  { -3, 94 },    { 9, 69 },

  184.     { -12, 109 },{ 36, -35 }, { 36, -34 },

  185. 

  186.     /* 369 -> 398 */

  187.     { 32, -26 }, { 37, -30 }, { 44, -32 },   { 34, -18 },

  188.     { 34, -15 }, { 40, -15 }, { 33, -7 },    { 35, -5 },

  189.     { 33, 0 },   { 38, 2 },   { 33, 13 },    { 23, 35 },

  190.     { 13, 58 },  { 29, -3 },  { 26, 0 },     { 22, 30 },

  191.     { 31, -7 },  { 35, -15 }, { 34, -3 },    { 34, 3 },

  192.     { 36, -1 },  { 34, 5 },   { 32, 11 },    { 35, 5 },

  193.     { 34, 12 },  { 39, 11 },  { 30, 29 },    { 34, 26 },

  194.     { 29, 39 },  { 19, 66 },

  195. 

  196.     /* 399 -> 435 */

  197.     {  31,  21 }, {  31,  31 }, {  25,  50 },

  198.     { -17, 120 }, { -20, 112 }, { -18, 114 }, { -11,  85 },

  199.     { -15,  92 }, { -14,  89 }, { -26,  71 }, { -15,  81 },

  200.     { -14,  80 }, {   0,  68 }, { -14,  70 }, { -24,  56 },

  201.     { -23,  68 }, { -24,  50 }, { -11,  74 }, {  23, -13 },

  202.     {  26, -13 }, {  40, -15 }, {  49, -14 }, {  44,   3 },

  203.     {  45,   6 }, {  44,  34 }, {  33,  54 }, {  19,  82 },

  204.     {  -3,  75 }, {  -1,  23 }, {   1,  34 }, {   1,  43 },

  205.     {   0,  54 }, {  -2,  55 }, {   0,  61 }, {   1,  64 },

  206.     {   0,  68 }, {  -9,  92 },

  207. 

  208.     /* 436 -> 459 */

  209.     { -14, 106 }, { -13,  97 }, { -15,  90 }, { -12,  90 },

  210.     { -18,  88 }, { -10,  73 }, {  -9,  79 }, { -14,  86 },

  211.     { -10,  73 }, { -10,  70 }, { -10,  69 }, {  -5,  66 },

  212.     {  -9,  64 }, {  -5,  58 }, {   2,  59 }, {  21, -10 },

  213.     {  24, -11 }, {  28,  -8 }, {  28,  -1 }, {  29,   3 },

  214.     {  29,   9 }, {  35,  20 }, {  29,  36 }, {  14,  67 },

  215. 

  216.     /* 460 -> 1024 */

  217.     { -17, 123 }, { -12, 115 }, { -16, 122 }, { -11, 115 },

  218.     { -12,  63 }, {  -2,  68 }, { -15,  84 }, { -13, 104 },

  219.     {  -3,  70 }, {  -8,  93 }, { -10,  90 }, { -30, 127 },

  220.     { -17, 123 }, { -12, 115 }, { -16, 122 }, { -11, 115 },

  221.     { -12,  63 }, {  -2,  68 }, { -15,  84 }, { -13, 104 },

  222.     {  -3,  70 }, {  -8,  93 }, { -10,  90 }, { -30, 127 },

  223.     {  -7,  93 }, { -11,  87 }, {  -3,  77 }, {  -5,  71 },

  224.     {  -4,  63 }, {  -4,  68 }, { -12,  84 }, {  -7,  62 },

  225.     {  -7,  65 }, {   8,  61 }, {   5,  56 }, {  -2,  66 },

  226.     {   1,  64 }, {   0,  61 }, {  -2,  78 }, {   1,  50 },

  227.     {   7,  52 }, {  10,  35 }, {   0,  44 }, {  11,  38 },

  228.     {   1,  45 }, {   0,  46 }, {   5,  44 }, {  31,  17 },

  229.     {   1,  51 }, {   7,  50 }, {  28,  19 }, {  16,  33 },

  230.     {  14,  62 }, { -13, 108 }, { -15, 100 }, { -13, 101 },

  231.     { -13,  91 }, { -12,  94 }, { -10,  88 }, { -16,  84 },

  232.     { -10,  86 }, {  -7,  83 }, { -13,  87 }, { -19,  94 },

  233.     {   1,  70 }, {   0,  72 }, {  -5,  74 }, {  18,  59 },

  234.     {  -7,  93 }, { -11,  87 }, {  -3,  77 }, {  -5,  71 },

  235.     {  -4,  63 }, {  -4,  68 }, { -12,  84 }, {  -7,  62 },

  236.     {  -7,  65 }, {   8,  61 }, {   5,  56 }, {  -2,  66 },

  237.     {   1,  64 }, {   0,  61 }, {  -2,  78 }, {   1,  50 },

  238.     {   7,  52 }, {  10,  35 }, {   0,  44 }, {  11,  38 },

  239.     {   1,  45 }, {   0,  46 }, {   5,  44 }, {  31,  17 },

  240.     {   1,  51 }, {   7,  50 }, {  28,  19 }, {  16,  33 },

  241.     {  14,  62 }, { -13, 108 }, { -15, 100 }, { -13, 101 },

  242.     { -13,  91 }, { -12,  94 }, { -10,  88 }, { -16,  84 },

  243.     { -10,  86 }, {  -7,  83 }, { -13,  87 }, { -19,  94 },

  244.     {   1,  70 }, {   0,  72 }, {  -5,  74 }, {  18,  59 },

  245.     {  24,   0 }, {  15,   9 }, {   8,  25 }, {  13,  18 },

  246.     {  15,   9 }, {  13,  19 }, {  10,  37 }, {  12,  18 },

  247.     {   6,  29 }, {  20,  33 }, {  15,  30 }, {   4,  45 },

  248.     {   1,  58 }, {   0,  62 }, {   7,  61 }, {  12,  38 },

  249.     {  11,  45 }, {  15,  39 }, {  11,  42 }, {  13,  44 },

  250.     {  16,  45 }, {  12,  41 }, {  10,  49 }, {  30,  34 },

  251.     {  18,  42 }, {  10,  55 }, {  17,  51 }, {  17,  46 },

  252.     {   0,  89 }, {  26, -19 }, {  22, -17 }, {  26, -17 },

  253.     {  30, -25 }, {  28, -20 }, {  33, -23 }, {  37, -27 },

  254.     {  33, -23 }, {  40, -28 }, {  38, -17 }, {  33, -11 },

  255.     {  40, -15 }, {  41,  -6 }, {  38,   1 }, {  41,  17 },

  256.     {  24,   0 }, {  15,   9 }, {   8,  25 }, {  13,  18 },

  257.     {  15,   9 }, {  13,  19 }, {  10,  37 }, {  12,  18 },

  258.     {   6,  29 }, {  20,  33 }, {  15,  30 }, {   4,  45 },

  259.     {   1,  58 }, {   0,  62 }, {   7,  61 }, {  12,  38 },

  260.     {  11,  45 }, {  15,  39 }, {  11,  42 }, {  13,  44 },

  261.     {  16,  45 }, {  12,  41 }, {  10,  49 }, {  30,  34 },

  262.     {  18,  42 }, {  10,  55 }, {  17,  51 }, {  17,  46 },

  263.     {   0,  89 }, {  26, -19 }, {  22, -17 }, {  26, -17 },

  264.     {  30, -25 }, {  28, -20 }, {  33, -23 }, {  37, -27 },

  265.     {  33, -23 }, {  40, -28 }, {  38, -17 }, {  33, -11 },

  266.     {  40, -15 }, {  41,  -6 }, {  38,   1 }, {  41,  17 },

  267.     { -17, 120 }, { -20, 112 }, { -18, 114 }, { -11,  85 },

  268.     { -15,  92 }, { -14,  89 }, { -26,  71 }, { -15,  81 },

  269.     { -14,  80 }, {   0,  68 }, { -14,  70 }, { -24,  56 },

  270.     { -23,  68 }, { -24,  50 }, { -11,  74 }, { -14, 106 },

  271.     { -13,  97 }, { -15,  90 }, { -12,  90 }, { -18,  88 },

  272.     { -10,  73 }, {  -9,  79 }, { -14,  86 }, { -10,  73 },

  273.     { -10,  70 }, { -10,  69 }, {  -5,  66 }, {  -9,  64 },

  274.     {  -5,  58 }, {   2,  59 }, {  23, -13 }, {  26, -13 },

  275.     {  40, -15 }, {  49, -14 }, {  44,   3 }, {  45,   6 },

  276.     {  44,  34 }, {  33,  54 }, {  19,  82 }, {  21, -10 },

  277.     {  24, -11 }, {  28,  -8 }, {  28,  -1 }, {  29,   3 },

  278.     {  29,   9 }, {  35,  20 }, {  29,  36 }, {  14,  67 },

  279.     {  -3,  75 }, {  -1,  23 }, {   1,  34 }, {   1,  43 },

  280.     {   0,  54 }, {  -2,  55 }, {   0,  61 }, {   1,  64 },

  281.     {   0,  68 }, {  -9,  92 }, { -17, 120 }, { -20, 112 },

  282.     { -18, 114 }, { -11,  85 }, { -15,  92 }, { -14,  89 },

  283.     { -26,  71 }, { -15,  81 }, { -14,  80 }, {   0,  68 },

  284.     { -14,  70 }, { -24,  56 }, { -23,  68 }, { -24,  50 },

  285.     { -11,  74 }, { -14, 106 }, { -13,  97 }, { -15,  90 },

  286.     { -12,  90 }, { -18,  88 }, { -10,  73 }, {  -9,  79 },

  287.     { -14,  86 }, { -10,  73 }, { -10,  70 }, { -10,  69 },

  288.     {  -5,  66 }, {  -9,  64 }, {  -5,  58 }, {   2,  59 },

  289.     {  23, -13 }, {  26, -13 }, {  40, -15 }, {  49, -14 },

  290.     {  44,   3 }, {  45,   6 }, {  44,  34 }, {  33,  54 },

  291.     {  19,  82 }, {  21, -10 }, {  24, -11 }, {  28,  -8 },

  292.     {  28,  -1 }, {  29,   3 }, {  29,   9 }, {  35,  20 },

  293.     {  29,  36 }, {  14,  67 }, {  -3,  75 }, {  -1,  23 },

  294.     {   1,  34 }, {   1,  43 }, {   0,  54 }, {  -2,  55 },

  295.     {   0,  61 }, {   1,  64 }, {   0,  68 }, {  -9,  92 },

  296.     {  -6,  93 }, {  -6,  84 }, {  -8,  79 }, {   0,  66 },

  297.     {  -1,  71 }, {   0,  62 }, {  -2,  60 }, {  -2,  59 },

  298.     {  -5,  75 }, {  -3,  62 }, {  -4,  58 }, {  -9,  66 },

  299.     {  -1,  79 }, {   0,  71 }, {   3,  68 }, {  10,  44 },

  300.     {  -7,  62 }, {  15,  36 }, {  14,  40 }, {  16,  27 },

  301.     {  12,  29 }, {   1,  44 }, {  20,  36 }, {  18,  32 },

  302.     {   5,  42 }, {   1,  48 }, {  10,  62 }, {  17,  46 },

  303.     {   9,  64 }, { -12, 104 }, { -11,  97 }, { -16,  96 },

  304.     {  -7,  88 }, {  -8,  85 }, {  -7,  85 }, {  -9,  85 },

  305.     { -13,  88 }, {   4,  66 }, {  -3,  77 }, {  -3,  76 },

  306.     {  -6,  76 }, {  10,  58 }, {  -1,  76 }, {  -1,  83 },

  307.     {  -6,  93 }, {  -6,  84 }, {  -8,  79 }, {   0,  66 },

  308.     {  -1,  71 }, {   0,  62 }, {  -2,  60 }, {  -2,  59 },

  309.     {  -5,  75 }, {  -3,  62 }, {  -4,  58 }, {  -9,  66 },

  310.     {  -1,  79 }, {   0,  71 }, {   3,  68 }, {  10,  44 },

  311.     {  -7,  62 }, {  15,  36 }, {  14,  40 }, {  16,  27 },

  312.     {  12,  29 }, {   1,  44 }, {  20,  36 }, {  18,  32 },

  313.     {   5,  42 }, {   1,  48 }, {  10,  62 }, {  17,  46 },

  314.     {   9,  64 }, { -12, 104 }, { -11,  97 }, { -16,  96 },

  315.     {  -7,  88 }, {  -8,  85 }, {  -7,  85 }, {  -9,  85 },

  316.     { -13,  88 }, {   4,  66 }, {  -3,  77 }, {  -3,  76 },

  317.     {  -6,  76 }, {  10,  58 }, {  -1,  76 }, {  -1,  83 },

  318.     {  15,   6 }, {   6,  19 }, {   7,  16 }, {  12,  14 },

  319.     {  18,  13 }, {  13,  11 }, {  13,  15 }, {  15,  16 },

  320.     {  12,  23 }, {  13,  23 }, {  15,  20 }, {  14,  26 },

  321.     {  14,  44 }, {  17,  40 }, {  17,  47 }, {  24,  17 },

  322.     {  21,  21 }, {  25,  22 }, {  31,  27 }, {  22,  29 },

  323.     {  19,  35 }, {  14,  50 }, {  10,  57 }, {   7,  63 },

  324.     {  -2,  77 }, {  -4,  82 }, {  -3,  94 }, {   9,  69 },

  325.     { -12, 109 }, {  36, -35 }, {  36, -34 }, {  32, -26 },

  326.     {  37, -30 }, {  44, -32 }, {  34, -18 }, {  34, -15 },

  327.     {  40, -15 }, {  33,  -7 }, {  35,  -5 }, {  33,   0 },

  328.     {  38,   2 }, {  33,  13 }, {  23,  35 }, {  13,  58 },

  329.     {  15,   6 }, {   6,  19 }, {   7,  16 }, {  12,  14 },

  330.     {  18,  13 }, {  13,  11 }, {  13,  15 }, {  15,  16 },

  331.     {  12,  23 }, {  13,  23 }, {  15,  20 }, {  14,  26 },

  332.     {  14,  44 }, {  17,  40 }, {  17,  47 }, {  24,  17 },

  333.     {  21,  21 }, {  25,  22 }, {  31,  27 }, {  22,  29 },

  334.     {  19,  35 }, {  14,  50 }, {  10,  57 }, {   7,  63 },

  335.     {  -2,  77 }, {  -4,  82 }, {  -3,  94 }, {   9,  69 },

  336.     { -12, 109 }, {  36, -35 }, {  36, -34 }, {  32, -26 },

  337.     {  37, -30 }, {  44, -32 }, {  34, -18 }, {  34, -15 },

  338.     {  40, -15 }, {  33,  -7 }, {  35,  -5 }, {  33,   0 },

  339.     {  38,   2 }, {  33,  13 }, {  23,  35 }, {  13,  58 },

  340.     {  -3,  71 }, {  -6,  42 }, {  -5,  50 }, {  -3,  54 },

  341.     {  -2,  62 }, {   0,  58 }, {   1,  63 }, {  -2,  72 },

  342.     {  -1,  74 }, {  -9,  91 }, {  -5,  67 }, {  -5,  27 },

  343.     {  -3,  39 }, {  -2,  44 }, {   0,  46 }, { -16,  64 },

  344.     {  -8,  68 }, { -10,  78 }, {  -6,  77 }, { -10,  86 },

  345.     { -12,  92 }, { -15,  55 }, { -10,  60 }, {  -6,  62 },

  346.     {  -4,  65 }, { -12,  73 }, {  -8,  76 }, {  -7,  80 },

  347.     {  -9,  88 }, { -17, 110 }, {  -3,  71 }, {  -6,  42 },

  348.     {  -5,  50 }, {  -3,  54 }, {  -2,  62 }, {   0,  58 },

  349.     {   1,  63 }, {  -2,  72 }, {  -1,  74 }, {  -9,  91 },

  350.     {  -5,  67 }, {  -5,  27 }, {  -3,  39 }, {  -2,  44 },

  351.     {   0,  46 }, { -16,  64 }, {  -8,  68 }, { -10,  78 },

  352.     {  -6,  77 }, { -10,  86 }, { -12,  92 }, { -15,  55 },

  353.     { -10,  60 }, {  -6,  62 }, {  -4,  65 }, { -12,  73 },

  354.     {  -8,  76 }, {  -7,  80 }, {  -9,  88 }, { -17, 110 },

  355.     {  -3,  70 }, {  -8,  93 }, { -10,  90 }, { -30, 127 },

  356.     {  -3,  70 }, {  -8,  93 }, { -10,  90 }, { -30, 127 },

  357.     {  -3,  70 }, {  -8,  93 }, { -10,  90 }, { -30, 127 }

  358. };

  359. 

  360. static const int8_t cabac_context_init_PB[3][1024][2] =

  361. {

  362.     /* i_cabac_init_idc == 0 */

  363.     {

  364.         /* 0 - 10 */

  365.         {  20, -15 }, {   2,  54 }, {   3,  74 }, {  20, -15 },

  366.         {   2,  54 }, {   3,  74 }, { -28, 127 }, { -23, 104 },

  367.         {  -6,  53 }, {  -1,  54 }, {   7,  51 },

  368. 

  369.         /* 11 - 23 */

  370.         {  23,  33 }, {  23,   2 }, {  21,   0 }, {   1,   9 },

  371.         {   0,  49 }, { -37, 118 }, {   5,  57 }, { -13,  78 },

  372.         { -11,  65 }, {   1,  62 }, {  12,  49 }, {  -4,  73 },

  373.         {  17,  50 },

  374. 

  375.         /* 24 - 39 */

  376.         {  18,  64 }, {   9,  43 }, {  29,   0 }, {  26,  67 },

  377.         {  16,  90 }, {   9, 104 }, { -46, 127 }, { -20, 104 },

  378.         {   1,  67 }, { -13,  78 }, { -11,  65 }, {   1,  62 },

  379.         {  -6,  86 }, { -17,  95 }, {  -6,  61 }, {   9,  45 },

  380. 

  381.         /* 40 - 53 */

  382.         {  -3,  69 }, {  -6,  81 }, { -11,  96 }, {   6,  55 },

  383.         {   7,  67 }, {  -5,  86 }, {   2,  88 }, {   0,  58 },

  384.         {  -3,  76 }, { -10,  94 }, {   5,  54 }, {   4,  69 },

  385.         {  -3,  81 }, {   0,  88 },

  386. 

  387.         /* 54 - 59 */

  388.         {  -7,  67 }, {  -5,  74 }, {  -4,  74 }, {  -5,  80 },

  389.         {  -7,  72 }, {   1,  58 },

  390. 

  391.         /* 60 - 69 */

  392.         {   0,  41 }, {   0,  63 }, {   0,  63 }, { 0, 63 },

  393.         {  -9,  83 }, {   4,  86 }, {   0,  97 }, { -7, 72 },

  394.         {  13,  41 }, {   3,  62 },

  395. 

  396.         /* 70 - 87 */

  397.         {   0,  45 }, {  -4,  78 }, {  -3,  96 }, { -27,  126 },

  398.         { -28,  98 }, { -25, 101 }, { -23,  67 }, { -28,  82 },

  399.         { -20,  94 }, { -16,  83 }, { -22, 110 }, { -21,  91 },

  400.         { -18, 102 }, { -13,  93 }, { -29, 127 }, {  -7,  92 },

  401.         {  -5,  89 }, {  -7,  96 }, { -13, 108 }, {  -3,  46 },

  402.         {  -1,  65 }, {  -1,  57 }, {  -9,  93 }, {  -3,  74 },

  403.         {  -9,  92 }, {  -8,  87 }, { -23, 126 }, {   5,  54 },

  404.         {   6,  60 }, {   6,  59 }, {   6,  69 }, {  -1,  48 },

  405.         {   0,  68 }, {  -4,  69 }, {  -8,  88 },

  406. 

  407.         /* 105 -> 165 */

  408.         {  -2,  85 }, {  -6,  78 }, {  -1,  75 }, {  -7,  77 },

  409.         {   2,  54 }, {   5,  50 }, {  -3,  68 }, {   1,  50 },

  410.         {   6,  42 }, {  -4,  81 }, {   1,  63 }, {  -4,  70 },

  411.         {   0,  67 }, {   2,  57 }, {  -2,  76 }, {  11,  35 },

  412.         {   4,  64 }, {   1,  61 }, {  11,  35 }, {  18,  25 },

  413.         {  12,  24 }, {  13,  29 }, {  13,  36 }, { -10,  93 },

  414.         {  -7,  73 }, {  -2,  73 }, {  13,  46 }, {   9,  49 },

  415.         {  -7, 100 }, {   9,  53 }, {   2,  53 }, {   5,  53 },

  416.         {  -2,  61 }, {   0,  56 }, {   0,  56 }, { -13,  63 },

  417.         {  -5,  60 }, {  -1,  62 }, {   4,  57 }, {  -6,  69 },

  418.         {   4,  57 }, {  14,  39 }, {   4,  51 }, {  13,  68 },

  419.         {   3,  64 }, {   1,  61 }, {   9,  63 }, {   7,  50 },

  420.         {  16,  39 }, {   5,  44 }, {   4,  52 }, {  11,  48 },

  421.         {  -5,  60 }, {  -1,  59 }, {   0,  59 }, {  22,  33 },

  422.         {   5,  44 }, {  14,  43 }, {  -1,  78 }, {   0,  60 },

  423.         {   9,  69 },

  424. 

  425.         /* 166 - 226 */

  426.         {  11,  28 }, {   2,  40 }, {   3,  44 }, {   0,  49 },

  427.         {   0,  46 }, {   2,  44 }, {   2,  51 }, {   0,  47 },

  428.         {   4,  39 }, {   2,  62 }, {   6,  46 }, {   0,  54 },

  429.         {   3,  54 }, {   2,  58 }, {   4,  63 }, {   6,  51 },

  430.         {   6,  57 }, {   7,  53 }, {   6,  52 }, {   6,  55 },

  431.         {  11,  45 }, {  14,  36 }, {   8,  53 }, {  -1,  82 },

  432.         {   7,  55 }, {  -3,  78 }, {  15,  46 }, {  22,  31 },

  433.         {  -1,  84 }, {  25,   7 }, {  30,  -7 }, {  28,   3 },

  434.         {  28,   4 }, {  32,   0 }, {  34,  -1 }, {  30,   6 },

  435.         {  30,   6 }, {  32,   9 }, {  31,  19 }, {  26,  27 },

  436.         {  26,  30 }, {  37,  20 }, {  28,  34 }, {  17,  70 },

  437.         {   1,  67 }, {   5,  59 }, {   9,  67 }, {  16,  30 },

  438.         {  18,  32 }, {  18,  35 }, {  22,  29 }, {  24,  31 },

  439.         {  23,  38 }, {  18,  43 }, {  20,  41 }, {  11,  63 },

  440.         {   9,  59 }, {   9,  64 }, {  -1,  94 }, {  -2,  89 },

  441.         {  -9, 108 },

  442. 

  443.         /* 227 - 275 */

  444.         {  -6,  76 }, {  -2,  44 }, {   0,  45 }, {   0,  52 },

  445.         {  -3,  64 }, {  -2,  59 }, {  -4,  70 }, {  -4,  75 },

  446.         {  -8,  82 }, { -17, 102 }, {  -9,  77 }, {   3,  24 },

  447.         {   0,  42 }, {   0,  48 }, {   0,  55 }, {  -6,  59 },

  448.         {  -7,  71 }, { -12,  83 }, { -11,  87 }, { -30, 119 },

  449.         {   1,  58 }, {  -3,  29 }, {  -1,  36 }, {   1,  38 },

  450.         {   2,  43 }, {  -6,  55 }, {   0,  58 }, {   0,  64 },

  451.         {  -3,  74 }, { -10,  90 }, {   0,  70 }, {  -4,  29 },

  452.         {   5,  31 }, {   7,  42 }, {   1,  59 }, {  -2,  58 },

  453.         {  -3,  72 }, {  -3,  81 }, { -11,  97 }, {   0,  58 },

  454.         {   8,   5 }, {  10,  14 }, {  14,  18 }, {  13,  27 },

  455.         {   2,  40 }, {   0,  58 }, {  -3,  70 }, {  -6,  79 },

  456.         {  -8,  85 },

  457. 

  458.         /* 276 a bit special (not used, bypass is used instead) */

  459.         { 0, 0 },

  460. 

  461.         /* 277 - 337 */

  462.         { -13, 106 }, { -16, 106 }, { -10,  87 }, { -21, 114 },

  463.         { -18, 110 }, { -14,  98 }, { -22, 110 }, { -21, 106 },

  464.         { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 },

  465.         { -10,  96 }, { -12,  95 }, {  -5,  91 }, {  -9,  93 },

  466.         { -22,  94 }, {  -5,  86 }, {   9,  67 }, {  -4,  80 },

  467.         { -10,  85 }, {  -1,  70 }, {   7,  60 }, {   9,  58 },

  468.         {   5,  61 }, {  12,  50 }, {  15,  50 }, {  18,  49 },

  469.         {  17,  54 }, {  10,  41 }, {   7,  46 }, {  -1,  51 },

  470.         {   7,  49 }, {   8,  52 }, {   9,  41 }, {   6,  47 },

  471.         {   2,  55 }, {  13,  41 }, {  10,  44 }, {   6,  50 },

  472.         {   5,  53 }, {  13,  49 }, {   4,  63 }, {   6,  64 },

  473.         {  -2,  69 }, {  -2,  59 }, {   6,  70 }, {  10,  44 },

  474.         {   9,  31 }, {  12,  43 }, {   3,  53 }, {  14,  34 },

  475.         {  10,  38 }, {  -3,  52 }, {  13,  40 }, {  17,  32 },

  476.         {   7,  44 }, {   7,  38 }, {  13,  50 }, {  10,  57 },

  477.         {  26,  43 },

  478. 

  479.         /* 338 - 398 */

  480.         {  14,  11 }, {  11,  14 }, {   9,  11 }, {  18,  11 },

  481.         {  21,   9 }, {  23,  -2 }, {  32, -15 }, {  32, -15 },

  482.         {  34, -21 }, {  39, -23 }, {  42, -33 }, {  41, -31 },

  483.         {  46, -28 }, {  38, -12 }, {  21,  29 }, {  45, -24 },

  484.         {  53, -45 }, {  48, -26 }, {  65, -43 }, {  43, -19 },

  485.         {  39, -10 }, {  30,   9 }, {  18,  26 }, {  20,  27 },

  486.         {   0,  57 }, { -14,  82 }, {  -5,  75 }, { -19,  97 },

  487.         { -35, 125 }, {  27,   0 }, {  28,   0 }, {  31,  -4 },

  488.         {  27,   6 }, {  34,   8 }, {  30,  10 }, {  24,  22 },

  489.         {  33,  19 }, {  22,  32 }, {  26,  31 }, {  21,  41 },

  490.         {  26,  44 }, {  23,  47 }, {  16,  65 }, {  14,  71 },

  491.         {   8,  60 }, {   6,  63 }, {  17,  65 }, {  21,  24 },

  492.         {  23,  20 }, {  26,  23 }, {  27,  32 }, {  28,  23 },

  493.         {  28,  24 }, {  23,  40 }, {  24,  32 }, {  28,  29 },

  494.         {  23,  42 }, {  19,  57 }, {  22,  53 }, {  22,  61 },

  495.         {  11,  86 },

  496. 

  497.         /* 399 - 435 */

  498.         {  12,  40 }, {  11,  51 }, {  14,  59 },

  499.         {  -4,  79 }, {  -7,  71 }, {  -5,  69 }, {  -9,  70 },

  500.         {  -8,  66 }, { -10,  68 }, { -19,  73 }, { -12,  69 },

  501.         { -16,  70 }, { -15,  67 }, { -20,  62 }, { -19,  70 },

  502.         { -16,  66 }, { -22,  65 }, { -20,  63 }, {   9,  -2 },

  503.         {  26,  -9 }, {  33,  -9 }, {  39,  -7 }, {  41,  -2 },

  504.         {  45,   3 }, {  49,   9 }, {  45,  27 }, {  36,  59 },

  505.         {  -6,  66 }, {  -7,  35 }, {  -7,  42 }, {  -8,  45 },

  506.         {  -5,  48 }, { -12,  56 }, {  -6,  60 }, {  -5,  62 },

  507.         {  -8,  66 }, {  -8,  76 },

  508. 

  509.         /* 436 - 459 */

  510.         {  -5,  85 }, {  -6,  81 }, { -10,  77 }, {  -7,  81 },

  511.         { -17,  80 }, { -18,  73 }, {  -4,  74 }, { -10,  83 },

  512.         {  -9,  71 }, {  -9,  67 }, {  -1,  61 }, {  -8,  66 },

  513.         { -14,  66 }, {   0,  59 }, {   2,  59 }, {  21, -13 },

  514.         {  33, -14 }, {  39,  -7 }, {  46,  -2 }, {  51,   2 },

  515.         {  60,   6 }, {  61,  17 }, {  55,  34 }, {  42,  62 },

  516. 

  517.         /* 460 - 1024 */

  518.         {  -7,  92 }, {  -5,  89 }, {  -7,  96 }, { -13, 108 },

  519.         {  -3,  46 }, {  -1,  65 }, {  -1,  57 }, {  -9,  93 },

  520.         {  -3,  74 }, {  -9,  92 }, {  -8,  87 }, { -23, 126 },

  521.         {  -7,  92 }, {  -5,  89 }, {  -7,  96 }, { -13, 108 },

  522.         {  -3,  46 }, {  -1,  65 }, {  -1,  57 }, {  -9,  93 },

  523.         {  -3,  74 }, {  -9,  92 }, {  -8,  87 }, { -23, 126 },

  524.         {  -2,  85 }, {  -6,  78 }, {  -1,  75 }, {  -7,  77 },

  525.         {   2,  54 }, {   5,  50 }, {  -3,  68 }, {   1,  50 },

  526.         {   6,  42 }, {  -4,  81 }, {   1,  63 }, {  -4,  70 },

  527.         {   0,  67 }, {   2,  57 }, {  -2,  76 }, {  11,  35 },

  528.         {   4,  64 }, {   1,  61 }, {  11,  35 }, {  18,  25 },

  529.         {  12,  24 }, {  13,  29 }, {  13,  36 }, { -10,  93 },

  530.         {  -7,  73 }, {  -2,  73 }, {  13,  46 }, {   9,  49 },

  531.         {  -7, 100 }, {   9,  53 }, {   2,  53 }, {   5,  53 },

  532.         {  -2,  61 }, {   0,  56 }, {   0,  56 }, { -13,  63 },

  533.         {  -5,  60 }, {  -1,  62 }, {   4,  57 }, {  -6,  69 },

  534.         {   4,  57 }, {  14,  39 }, {   4,  51 }, {  13,  68 },

  535.         {  -2,  85 }, {  -6,  78 }, {  -1,  75 }, {  -7,  77 },

  536.         {   2,  54 }, {   5,  50 }, {  -3,  68 }, {   1,  50 },

  537.         {   6,  42 }, {  -4,  81 }, {   1,  63 }, {  -4,  70 },

  538.         {   0,  67 }, {   2,  57 }, {  -2,  76 }, {  11,  35 },

  539.         {   4,  64 }, {   1,  61 }, {  11,  35 }, {  18,  25 },

  540.         {  12,  24 }, {  13,  29 }, {  13,  36 }, { -10,  93 },

  541.         {  -7,  73 }, {  -2,  73 }, {  13,  46 }, {   9,  49 },

  542.         {  -7, 100 }, {   9,  53 }, {   2,  53 }, {   5,  53 },

  543.         {  -2,  61 }, {   0,  56 }, {   0,  56 }, { -13,  63 },

  544.         {  -5,  60 }, {  -1,  62 }, {   4,  57 }, {  -6,  69 },

  545.         {   4,  57 }, {  14,  39 }, {   4,  51 }, {  13,  68 },

  546.         {  11,  28 }, {   2,  40 }, {   3,  44 }, {   0,  49 },

  547.         {   0,  46 }, {   2,  44 }, {   2,  51 }, {   0,  47 },

  548.         {   4,  39 }, {   2,  62 }, {   6,  46 }, {   0,  54 },

  549.         {   3,  54 }, {   2,  58 }, {   4,  63 }, {   6,  51 },

  550.         {   6,  57 }, {   7,  53 }, {   6,  52 }, {   6,  55 },

  551.         {  11,  45 }, {  14,  36 }, {   8,  53 }, {  -1,  82 },

  552.         {   7,  55 }, {  -3,  78 }, {  15,  46 }, {  22,  31 },

  553.         {  -1,  84 }, {  25,   7 }, {  30,  -7 }, {  28,   3 },

  554.         {  28,   4 }, {  32,   0 }, {  34,  -1 }, {  30,   6 },

  555.         {  30,   6 }, {  32,   9 }, {  31,  19 }, {  26,  27 },

  556.         {  26,  30 }, {  37,  20 }, {  28,  34 }, {  17,  70 },

  557.         {  11,  28 }, {   2,  40 }, {   3,  44 }, {   0,  49 },

  558.         {   0,  46 }, {   2,  44 }, {   2,  51 }, {   0,  47 },

  559.         {   4,  39 }, {   2,  62 }, {   6,  46 }, {   0,  54 },

  560.         {   3,  54 }, {   2,  58 }, {   4,  63 }, {   6,  51 },

  561.         {   6,  57 }, {   7,  53 }, {   6,  52 }, {   6,  55 },

  562.         {  11,  45 }, {  14,  36 }, {   8,  53 }, {  -1,  82 },

  563.         {   7,  55 }, {  -3,  78 }, {  15,  46 }, {  22,  31 },

  564.         {  -1,  84 }, {  25,   7 }, {  30,  -7 }, {  28,   3 },

  565.         {  28,   4 }, {  32,   0 }, {  34,  -1 }, {  30,   6 },

  566.         {  30,   6 }, {  32,   9 }, {  31,  19 }, {  26,  27 },

  567.         {  26,  30 }, {  37,  20 }, {  28,  34 }, {  17,  70 },

  568.         {  -4,  79 }, {  -7,  71 }, {  -5,  69 }, {  -9,  70 },

  569.         {  -8,  66 }, { -10,  68 }, { -19,  73 }, { -12,  69 },

  570.         { -16,  70 }, { -15,  67 }, { -20,  62 }, { -19,  70 },

  571.         { -16,  66 }, { -22,  65 }, { -20,  63 }, {  -5,  85 },

  572.         {  -6,  81 }, { -10,  77 }, {  -7,  81 }, { -17,  80 },

  573.         { -18,  73 }, {  -4,  74 }, { -10,  83 }, {  -9,  71 },

  574.         {  -9,  67 }, {  -1,  61 }, {  -8,  66 }, { -14,  66 },

  575.         {   0,  59 }, {   2,  59 }, {   9,  -2 }, {  26,  -9 },

  576.         {  33,  -9 }, {  39,  -7 }, {  41,  -2 }, {  45,   3 },

  577.         {  49,   9 }, {  45,  27 }, {  36,  59 }, {  21, -13 },

  578.         {  33, -14 }, {  39,  -7 }, {  46,  -2 }, {  51,   2 },

  579.         {  60,   6 }, {  61,  17 }, {  55,  34 }, {  42,  62 },

  580.         {  -6,  66 }, {  -7,  35 }, {  -7,  42 }, {  -8,  45 },

  581.         {  -5,  48 }, { -12,  56 }, {  -6,  60 }, {  -5,  62 },

  582.         {  -8,  66 }, {  -8,  76 }, {  -4,  79 }, {  -7,  71 },

  583.         {  -5,  69 }, {  -9,  70 }, {  -8,  66 }, { -10,  68 },

  584.         { -19,  73 }, { -12,  69 }, { -16,  70 }, { -15,  67 },

  585.         { -20,  62 }, { -19,  70 }, { -16,  66 }, { -22,  65 },

  586.         { -20,  63 }, {  -5,  85 }, {  -6,  81 }, { -10,  77 },

  587.         {  -7,  81 }, { -17,  80 }, { -18,  73 }, {  -4,  74 },

  588.         { -10,  83 }, {  -9,  71 }, {  -9,  67 }, {  -1,  61 },

  589.         {  -8,  66 }, { -14,  66 }, {   0,  59 }, {   2,  59 },

  590.         {   9,  -2 }, {  26,  -9 }, {  33,  -9 }, {  39,  -7 },

  591.         {  41,  -2 }, {  45,   3 }, {  49,   9 }, {  45,  27 },

  592.         {  36,  59 }, {  21, -13 }, {  33, -14 }, {  39,  -7 },

  593.         {  46,  -2 }, {  51,   2 }, {  60,   6 }, {  61,  17 },

  594.         {  55,  34 }, {  42,  62 }, {  -6,  66 }, {  -7,  35 },

  595.         {  -7,  42 }, {  -8,  45 }, {  -5,  48 }, { -12,  56 },

  596.         {  -6,  60 }, {  -5,  62 }, {  -8,  66 }, {  -8,  76 },

  597.         { -13, 106 }, { -16, 106 }, { -10,  87 }, { -21, 114 },

  598.         { -18, 110 }, { -14,  98 }, { -22, 110 }, { -21, 106 },

  599.         { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 },

  600.         { -10,  96 }, { -12,  95 }, {  -5,  91 }, {  -9,  93 },

  601.         { -22,  94 }, {  -5,  86 }, {   9,  67 }, {  -4,  80 },

  602.         { -10,  85 }, {  -1,  70 }, {   7,  60 }, {   9,  58 },

  603.         {   5,  61 }, {  12,  50 }, {  15,  50 }, {  18,  49 },

  604.         {  17,  54 }, {  10,  41 }, {   7,  46 }, {  -1,  51 },

  605.         {   7,  49 }, {   8,  52 }, {   9,  41 }, {   6,  47 },

  606.         {   2,  55 }, {  13,  41 }, {  10,  44 }, {   6,  50 },

  607.         {   5,  53 }, {  13,  49 }, {   4,  63 }, {   6,  64 },

  608.         { -13, 106 }, { -16, 106 }, { -10,  87 }, { -21, 114 },

  609.         { -18, 110 }, { -14,  98 }, { -22, 110 }, { -21, 106 },

  610.         { -18, 103 }, { -21, 107 }, { -23, 108 }, { -26, 112 },

  611.         { -10,  96 }, { -12,  95 }, {  -5,  91 }, {  -9,  93 },

  612.         { -22,  94 }, {  -5,  86 }, {   9,  67 }, {  -4,  80 },

  613.         { -10,  85 }, {  -1,  70 }, {   7,  60 }, {   9,  58 },

  614.         {   5,  61 }, {  12,  50 }, {  15,  50 }, {  18,  49 },

  615.         {  17,  54 }, {  10,  41 }, {   7,  46 }, {  -1,  51 },

  616.         {   7,  49 }, {   8,  52 }, {   9,  41 }, {   6,  47 },

  617.         {   2,  55 }, {  13,  41 }, {  10,  44 }, {   6,  50 },

  618.         {   5,  53 }, {  13,  49 }, {   4,  63 }, {   6,  64 },

  619.         {  14,  11 }, {  11,  14 }, {   9,  11 }, {  18,  11 },

  620.         {  21,   9 }, {  23,  -2 }, {  32, -15 }, {  32, -15 },

  621.         {  34, -21 }, {  39, -23 }, {  42, -33 }, {  41, -31 },

  622.         {  46, -28 }, {  38, -12 }, {  21,  29 }, {  45, -24 },

  623.         {  53, -45 }, {  48, -26 }, {  65, -43 }, {  43, -19 },

  624.         {  39, -10 }, {  30,   9 }, {  18,  26 }, {  20,  27 },

  625.         {   0,  57 }, { -14,  82 }, {  -5,  75 }, { -19,  97 },

  626.         { -35, 125 }, {  27,   0 }, {  28,   0 }, {  31,  -4 },

  627.         {  27,   6 }, {  34,   8 }, {  30,  10 }, {  24,  22 },

  628.         {  33,  19 }, {  22,  32 }, {  26,  31 }, {  21,  41 },

  629.         {  26,  44 }, {  23,  47 }, {  16,  65 }, {  14,  71 },

  630.         {  14,  11 }, {  11,  14 }, {   9,  11 }, {  18,  11 },

  631.         {  21,   9 }, {  23,  -2 }, {  32, -15 }, {  32, -15 },

  632.         {  34, -21 }, {  39, -23 }, {  42, -33 }, {  41, -31 },

  633.         {  46, -28 }, {  38, -12 }, {  21,  29 }, {  45, -24 },

  634.         {  53, -45 }, {  48, -26 }, {  65, -43 }, {  43, -19 },

  635.         {  39, -10 }, {  30,   9 }, {  18,  26 }, {  20,  27 },

  636.         {   0,  57 }, { -14,  82 }, {  -5,  75 }, { -19,  97 },

  637.         { -35, 125 }, {  27,   0 }, {  28,   0 }, {  31,  -4 },

  638.         {  27,   6 }, {  34,   8 }, {  30,  10 }, {  24,  22 },

  639.         {  33,  19 }, {  22,  32 }, {  26,  31 }, {  21,  41 },

  640.         {  26,  44 }, {  23,  47 }, {  16,  65 }, {  14,  71 },

  641.         {  -6,  76 }, {  -2,  44 }, {   0,  45 }, {   0,  52 },

  642.         {  -3,  64 }, {  -2,  59 }, {  -4,  70 }, {  -4,  75 },

  643.         {  -8,  82 }, { -17, 102 }, {  -9,  77 }, {   3,  24 },

  644.         {   0,  42 }, {   0,  48 }, {   0,  55 }, {  -6,  59 },

  645.         {  -7,  71 }, { -12,  83 }, { -11,  87 }, { -30, 119 },

  646.         {   1,  58 }, {  -3,  29 }, {  -1,  36 }, {   1,  38 },

  647.         {   2,  43 }, {  -6,  55 }, {   0,  58 }, {   0,  64 },

  648.         {  -3,  74 }, { -10,  90 }, {  -6,  76 }, {  -2,  44 },

  649.         {   0,  45 }, {   0,  52 }, {  -3,  64 }, {  -2,  59 },

  650.         {  -4,  70 }, {  -4,  75 }, {  -8,  82 }, { -17, 102 },

  651.         {  -9,  77 }, {   3,  24 }, {   0,  42 }, {   0,  48 },

  652.         {   0,  55 }, {  -6,  59 }, {  -7,  71 }, { -12,  83 },

  653.         { -11,  87 }, { -30, 119 }, {   1,  58 }, {  -3,  29 },

  654.         {  -1,  36 }, {   1,  38 }, {   2,  43 }, {  -6,  55 },

  655.         {   0,  58 }, {   0,  64 }, {  -3,  74 }, { -10,  90 },

  656.         {  -3,  74 }, {  -9,  92 }, {  -8,  87 }, { -23, 126 },

  657.         {  -3,  74 }, {  -9,  92 }, {  -8,  87 }, { -23, 126 },

  658.         {  -3,  74 }, {  -9,  92 }, {  -8,  87 }, { -23, 126 }

  659.     },

  660. 

  661.     /* i_cabac_init_idc == 1 */

  662.     {

  663.         /* 0 - 10 */

  664.         {  20, -15 }, {   2,  54 }, {   3,  74 }, {  20, -15 },

  665.         {   2,  54 }, {   3,  74 }, { -28, 127 }, { -23, 104 },

  666.         {  -6,  53 }, {  -1,  54 }, {   7,  51 },

  667. 

  668.         /* 11 - 23 */

  669.         {  22,  25 }, {  34,   0 }, {  16,   0 }, {  -2,   9 },

  670.         {   4,  41 }, { -29, 118 }, {   2,  65 }, {  -6,  71 },

  671.         { -13,  79 }, {   5,  52 }, {   9,  50 }, {  -3,  70 },

  672.         {  10,  54 },

  673. 

  674.         /* 24 - 39 */

  675.         {  26,  34 }, {  19,  22 }, {  40,   0 }, {  57,   2 },

  676.         {  41,  36 }, {  26,  69 }, { -45, 127 }, { -15, 101 },

  677.         {  -4,  76 }, {  -6,  71 }, { -13,  79 }, {   5,  52 },

  678.         {   6,  69 }, { -13,  90 }, {   0,  52 }, {   8,  43 },

  679. 

  680.         /* 40 - 53 */

  681.         {  -2,  69 },{  -5,  82 },{ -10,  96 },{   2,  59 },

  682.         {   2,  75 },{  -3,  87 },{  -3,  100 },{   1,  56 },

  683.         {  -3,  74 },{  -6,  85 },{   0,  59 },{  -3,  81 },

  684.         {  -7,  86 },{  -5,  95 },

  685. 

  686.         /* 54 - 59 */

  687.         {  -1,  66 },{  -1,  77 },{   1,  70 },{  -2,  86 },

  688.         {  -5,  72 },{   0,  61 },

  689. 

  690.         /* 60 - 69 */

  691.         { 0, 41 },   { 0, 63 },   { 0, 63 },     { 0, 63 },

  692.         { -9, 83 },  { 4, 86 },   { 0, 97 },     { -7, 72 },

  693.         { 13, 41 },  { 3, 62 },

  694. 

  695.         /* 70 - 104 */

  696.         {  13,  15 }, {   7,  51 }, {   2,  80 }, { -39, 127 },

  697.         { -18,  91 }, { -17,  96 }, { -26,  81 }, { -35,  98 },

  698.         { -24, 102 }, { -23,  97 }, { -27, 119 }, { -24,  99 },

  699.         { -21, 110 }, { -18, 102 }, { -36, 127 }, {   0,  80 },

  700.         {  -5,  89 }, {  -7,  94 }, {  -4,  92 }, {   0,  39 },

  701.         {   0,  65 }, { -15,  84 }, { -35, 127 }, {  -2,  73 },

  702.         { -12, 104 }, {  -9,  91 }, { -31, 127 }, {   3,  55 },

  703.         {   7,  56 }, {   7,  55 }, {   8,  61 }, {  -3,  53 },

  704.         {   0,  68 }, {  -7,  74 }, {  -9,  88 },

  705. 

  706.         /* 105 -> 165 */

  707.         { -13, 103 }, { -13,  91 }, {  -9,  89 }, { -14,  92 },

  708.         {  -8,  76 }, { -12,  87 }, { -23, 110 }, { -24, 105 },

  709.         { -10,  78 }, { -20, 112 }, { -17,  99 }, { -78, 127 },

  710.         { -70, 127 }, { -50, 127 }, { -46, 127 }, {  -4,  66 },

  711.         {  -5,  78 }, {  -4,  71 }, {  -8,  72 }, {   2,  59 },

  712.         {  -1,  55 }, {  -7,  70 }, {  -6,  75 }, {  -8,  89 },

  713.         { -34, 119 }, {  -3,  75 }, {  32,  20 }, {  30,  22 },

  714.         { -44, 127 }, {   0,  54 }, {  -5,  61 }, {   0,  58 },

  715.         {  -1,  60 }, {  -3,  61 }, {  -8,  67 }, { -25,  84 },

  716.         { -14,  74 }, {  -5,  65 }, {   5,  52 }, {   2,  57 },

  717.         {   0,  61 }, {  -9,  69 }, { -11,  70 }, {  18,  55 },

  718.         {  -4,  71 }, {   0,  58 }, {   7,  61 }, {   9,  41 },

  719.         {  18,  25 }, {   9,  32 }, {   5,  43 }, {   9,  47 },

  720.         {   0,  44 }, {   0,  51 }, {   2,  46 }, {  19,  38 },

  721.         {  -4,  66 }, {  15,  38 }, {  12,  42 }, {   9,  34 },

  722.         {   0,  89 },

  723. 

  724.         /* 166 - 226 */

  725.         {   4,  45 }, {  10,  28 }, {  10,  31 }, {  33, -11 },

  726.         {  52, -43 }, {  18,  15 }, {  28,   0 }, {  35, -22 },

  727.         {  38, -25 }, {  34,   0 }, {  39, -18 }, {  32, -12 },

  728.         { 102, -94 }, {   0,   0 }, {  56, -15 }, {  33,  -4 },

  729.         {  29,  10 }, {  37,  -5 }, {  51, -29 }, {  39,  -9 },

  730.         {  52, -34 }, {  69, -58 }, {  67, -63 }, {  44,  -5 },

  731.         {  32,   7 }, {  55, -29 }, {  32,   1 }, {   0,   0 },

  732.         {  27,  36 }, {  33, -25 }, {  34, -30 }, {  36, -28 },

  733.         {  38, -28 }, {  38, -27 }, {  34, -18 }, {  35, -16 },

  734.         {  34, -14 }, {  32,  -8 }, {  37,  -6 }, {  35,   0 },

  735.         {  30,  10 }, {  28,  18 }, {  26,  25 }, {  29,  41 },

  736.         {   0,  75 }, {   2,  72 }, {   8,  77 }, {  14,  35 },

  737.         {  18,  31 }, {  17,  35 }, {  21,  30 }, {  17,  45 },

  738.         {  20,  42 }, {  18,  45 }, {  27,  26 }, {  16,  54 },

  739.         {   7,  66 }, {  16,  56 }, {  11,  73 }, {  10,  67 },

  740.         { -10, 116 },

  741. 

  742.         /* 227 - 275 */

  743.         { -23, 112 }, { -15,  71 }, {  -7,  61 }, {   0,  53 },

  744.         {  -5,  66 }, { -11,  77 }, {  -9,  80 }, {  -9,  84 },

  745.         { -10,  87 }, { -34, 127 }, { -21, 101 }, {  -3,  39 },

  746.         {  -5,  53 }, {  -7,  61 }, { -11,  75 }, { -15,  77 },

  747.         { -17,  91 }, { -25, 107 }, { -25, 111 }, { -28, 122 },

  748.         { -11,  76 }, { -10,  44 }, { -10,  52 }, { -10,  57 },

  749.         {  -9,  58 }, { -16,  72 }, {  -7,  69 }, {  -4,  69 },

  750.         {  -5,  74 }, {  -9,  86 }, {   2,  66 }, {  -9,  34 },

  751.         {   1,  32 }, {  11,  31 }, {   5,  52 }, {  -2,  55 },

  752.         {  -2,  67 }, {   0,  73 }, {  -8,  89 }, {   3,  52 },

  753.         {   7,   4 }, {  10,   8 }, {  17,   8 }, {  16,  19 },

  754.         {   3,  37 }, {  -1,  61 }, {  -5,  73 }, {  -1,  70 },

  755.         {  -4,  78 },

  756. 

  757.         /* 276 a bit special (not used, bypass is used instead) */

  758.         { 0, 0 },

  759. 

  760.         /* 277 - 337 */

  761.         { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 },

  762.         { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 },

  763.         { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 },

  764.         { -10,  95 }, { -14, 100 }, {  -8,  95 }, { -17, 111 },

  765.         { -28, 114 }, {  -6,  89 }, {  -2,  80 }, {  -4,  82 },

  766.         {  -9,  85 }, {  -8,  81 }, {  -1,  72 }, {   5,  64 },

  767.         {   1,  67 }, {   9,  56 }, {   0,  69 }, {   1,  69 },

  768.         {   7,  69 }, {  -7,  69 }, {  -6,  67 }, { -16,  77 },

  769.         {  -2,  64 }, {   2,  61 }, {  -6,  67 }, {  -3,  64 },

  770.         {   2,  57 }, {  -3,  65 }, {  -3,  66 }, {   0,  62 },

  771.         {   9,  51 }, {  -1,  66 }, {  -2,  71 }, {  -2,  75 },

  772.         {  -1,  70 }, {  -9,  72 }, {  14,  60 }, {  16,  37 },

  773.         {   0,  47 }, {  18,  35 }, {  11,  37 }, {  12,  41 },

  774.         {  10,  41 }, {   2,  48 }, {  12,  41 }, {  13,  41 },

  775.         {   0,  59 }, {   3,  50 }, {  19,  40 }, {   3,  66 },

  776.         {  18,  50 },

  777. 

  778.         /* 338 - 398 */

  779.         {  19,  -6 }, {  18,  -6 }, {  14,   0 }, {  26, -12 },

  780.         {  31, -16 }, {  33, -25 }, {  33, -22 }, {  37, -28 },

  781.         {  39, -30 }, {  42, -30 }, {  47, -42 }, {  45, -36 },

  782.         {  49, -34 }, {  41, -17 }, {  32,   9 }, {  69, -71 },

  783.         {  63, -63 }, {  66, -64 }, {  77, -74 }, {  54, -39 },

  784.         {  52, -35 }, {  41, -10 }, {  36,   0 }, {  40,  -1 },

  785.         {  30,  14 }, {  28,  26 }, {  23,  37 }, {  12,  55 },

  786.         {  11,  65 }, {  37, -33 }, {  39, -36 }, {  40, -37 },

  787.         {  38, -30 }, {  46, -33 }, {  42, -30 }, {  40, -24 },

  788.         {  49, -29 }, {  38, -12 }, {  40, -10 }, {  38,  -3 },

  789.         {  46,  -5 }, {  31,  20 }, {  29,  30 }, {  25,  44 },

  790.         {  12,  48 }, {  11,  49 }, {  26,  45 }, {  22,  22 },

  791.         {  23,  22 }, {  27,  21 }, {  33,  20 }, {  26,  28 },

  792.         {  30,  24 }, {  27,  34 }, {  18,  42 }, {  25,  39 },

  793.         {  18,  50 }, {  12,  70 }, {  21,  54 }, {  14,  71 },

  794.         {  11,  83 },

  795. 

  796.         /* 399 - 435 */

  797.         {  25,  32 }, {  21,  49 }, {  21,  54 },

  798.         {  -5,  85 }, {  -6,  81 }, { -10,  77 }, {  -7,  81 },

  799.         { -17,  80 }, { -18,  73 }, {  -4,  74 }, { -10,  83 },

  800.         {  -9,  71 }, {  -9,  67 }, {  -1,  61 }, {  -8,  66 },

  801.         { -14,  66 }, {   0,  59 }, {   2,  59 }, {  17, -10 },

  802.         {  32, -13 }, {  42,  -9 }, {  49,  -5 }, {  53,   0 },

  803.         {  64,   3 }, {  68,  10 }, {  66,  27 }, {  47,  57 },

  804.         {  -5,  71 }, {   0,  24 }, {  -1,  36 }, {  -2,  42 },

  805.         {  -2,  52 }, {  -9,  57 }, {  -6,  63 }, {  -4,  65 },

  806.         {  -4,  67 }, {  -7,  82 },

  807. 

  808.         /* 436 - 459 */

  809.         {  -3,  81 }, {  -3,  76 }, {  -7,  72 }, {  -6,  78 },

  810.         { -12,  72 }, { -14,  68 }, {  -3,  70 }, {  -6,  76 },

  811.         {  -5,  66 }, {  -5,  62 }, {   0,  57 }, {  -4,  61 },

  812.         {  -9,  60 }, {   1,  54 }, {   2,  58 }, {  17, -10 },

  813.         {  32, -13 }, {  42,  -9 }, {  49,  -5 }, {  53,   0 },

  814.         {  64,   3 }, {  68,  10 }, {  66,  27 }, {  47,  57 },

  815. 

  816.         /* 460 - 1024 */

  817.         {   0,  80 }, {  -5,  89 }, {  -7,  94 }, {  -4,  92 },

  818.         {   0,  39 }, {   0,  65 }, { -15,  84 }, { -35, 127 },

  819.         {  -2,  73 }, { -12, 104 }, {  -9,  91 }, { -31, 127 },

  820.         {   0,  80 }, {  -5,  89 }, {  -7,  94 }, {  -4,  92 },

  821.         {   0,  39 }, {   0,  65 }, { -15,  84 }, { -35, 127 },

  822.         {  -2,  73 }, { -12, 104 }, {  -9,  91 }, { -31, 127 },

  823.         { -13, 103 }, { -13,  91 }, {  -9,  89 }, { -14,  92 },

  824.         {  -8,  76 }, { -12,  87 }, { -23, 110 }, { -24, 105 },

  825.         { -10,  78 }, { -20, 112 }, { -17,  99 }, { -78, 127 },

  826.         { -70, 127 }, { -50, 127 }, { -46, 127 }, {  -4,  66 },

  827.         {  -5,  78 }, {  -4,  71 }, {  -8,  72 }, {   2,  59 },

  828.         {  -1,  55 }, {  -7,  70 }, {  -6,  75 }, {  -8,  89 },

  829.         { -34, 119 }, {  -3,  75 }, {  32,  20 }, {  30,  22 },

  830.         { -44, 127 }, {   0,  54 }, {  -5,  61 }, {   0,  58 },

  831.         {  -1,  60 }, {  -3,  61 }, {  -8,  67 }, { -25,  84 },

  832.         { -14,  74 }, {  -5,  65 }, {   5,  52 }, {   2,  57 },

  833.         {   0,  61 }, {  -9,  69 }, { -11,  70 }, {  18,  55 },

  834.         { -13, 103 }, { -13,  91 }, {  -9,  89 }, { -14,  92 },

  835.         {  -8,  76 }, { -12,  87 }, { -23, 110 }, { -24, 105 },

  836.         { -10,  78 }, { -20, 112 }, { -17,  99 }, { -78, 127 },

  837.         { -70, 127 }, { -50, 127 }, { -46, 127 }, {  -4,  66 },

  838.         {  -5,  78 }, {  -4,  71 }, {  -8,  72 }, {   2,  59 },

  839.         {  -1,  55 }, {  -7,  70 }, {  -6,  75 }, {  -8,  89 },

  840.         { -34, 119 }, {  -3,  75 }, {  32,  20 }, {  30,  22 },

  841.         { -44, 127 }, {   0,  54 }, {  -5,  61 }, {   0,  58 },

  842.         {  -1,  60 }, {  -3,  61 }, {  -8,  67 }, { -25,  84 },

  843.         { -14,  74 }, {  -5,  65 }, {   5,  52 }, {   2,  57 },

  844.         {   0,  61 }, {  -9,  69 }, { -11,  70 }, {  18,  55 },

  845.         {   4,  45 }, {  10,  28 }, {  10,  31 }, {  33, -11 },

  846.         {  52, -43 }, {  18,  15 }, {  28,   0 }, {  35, -22 },

  847.         {  38, -25 }, {  34,   0 }, {  39, -18 }, {  32, -12 },

  848.         { 102, -94 }, {   0,   0 }, {  56, -15 }, {  33,  -4 },

  849.         {  29,  10 }, {  37,  -5 }, {  51, -29 }, {  39,  -9 },

  850.         {  52, -34 }, {  69, -58 }, {  67, -63 }, {  44,  -5 },

  851.         {  32,   7 }, {  55, -29 }, {  32,   1 }, {   0,   0 },

  852.         {  27,  36 }, {  33, -25 }, {  34, -30 }, {  36, -28 },

  853.         {  38, -28 }, {  38, -27 }, {  34, -18 }, {  35, -16 },

  854.         {  34, -14 }, {  32,  -8 }, {  37,  -6 }, {  35,   0 },

  855.         {  30,  10 }, {  28,  18 }, {  26,  25 }, {  29,  41 },

  856.         {   4,  45 }, {  10,  28 }, {  10,  31 }, {  33, -11 },

  857.         {  52, -43 }, {  18,  15 }, {  28,   0 }, {  35, -22 },

  858.         {  38, -25 }, {  34,   0 }, {  39, -18 }, {  32, -12 },

  859.         { 102, -94 }, {   0,   0 }, {  56, -15 }, {  33,  -4 },

  860.         {  29,  10 }, {  37,  -5 }, {  51, -29 }, {  39,  -9 },

  861.         {  52, -34 }, {  69, -58 }, {  67, -63 }, {  44,  -5 },

  862.         {  32,   7 }, {  55, -29 }, {  32,   1 }, {   0,   0 },

  863.         {  27,  36 }, {  33, -25 }, {  34, -30 }, {  36, -28 },

  864.         {  38, -28 }, {  38, -27 }, {  34, -18 }, {  35, -16 },

  865.         {  34, -14 }, {  32,  -8 }, {  37,  -6 }, {  35,   0 },

  866.         {  30,  10 }, {  28,  18 }, {  26,  25 }, {  29,  41 },

  867.         {  -5,  85 }, {  -6,  81 }, { -10,  77 }, {  -7,  81 },

  868.         { -17,  80 }, { -18,  73 }, {  -4,  74 }, { -10,  83 },

  869.         {  -9,  71 }, {  -9,  67 }, {  -1,  61 }, {  -8,  66 },

  870.         { -14,  66 }, {   0,  59 }, {   2,  59 }, {  -3,  81 },

  871.         {  -3,  76 }, {  -7,  72 }, {  -6,  78 }, { -12,  72 },

  872.         { -14,  68 }, {  -3,  70 }, {  -6,  76 }, {  -5,  66 },

  873.         {  -5,  62 }, {   0,  57 }, {  -4,  61 }, {  -9,  60 },

  874.         {   1,  54 }, {   2,  58 }, {  17, -10 }, {  32, -13 },

  875.         {  42,  -9 }, {  49,  -5 }, {  53,   0 }, {  64,   3 },

  876.         {  68,  10 }, {  66,  27 }, {  47,  57 }, {  17, -10 },

  877.         {  32, -13 }, {  42,  -9 }, {  49,  -5 }, {  53,   0 },

  878.         {  64,   3 }, {  68,  10 }, {  66,  27 }, {  47,  57 },

  879.         {  -5,  71 }, {   0,  24 }, {  -1,  36 }, {  -2,  42 },

  880.         {  -2,  52 }, {  -9,  57 }, {  -6,  63 }, {  -4,  65 },

  881.         {  -4,  67 }, {  -7,  82 }, {  -5,  85 }, {  -6,  81 },

  882.         { -10,  77 }, {  -7,  81 }, { -17,  80 }, { -18,  73 },

  883.         {  -4,  74 }, { -10,  83 }, {  -9,  71 }, {  -9,  67 },

  884.         {  -1,  61 }, {  -8,  66 }, { -14,  66 }, {   0,  59 },

  885.         {   2,  59 }, {  -3,  81 }, {  -3,  76 }, {  -7,  72 },

  886.         {  -6,  78 }, { -12,  72 }, { -14,  68 }, {  -3,  70 },

  887.         {  -6,  76 }, {  -5,  66 }, {  -5,  62 }, {   0,  57 },

  888.         {  -4,  61 }, {  -9,  60 }, {   1,  54 }, {   2,  58 },

  889.         {  17, -10 }, {  32, -13 }, {  42,  -9 }, {  49,  -5 },

  890.         {  53,   0 }, {  64,   3 }, {  68,  10 }, {  66,  27 },

  891.         {  47,  57 }, {  17, -10 }, {  32, -13 }, {  42,  -9 },

  892.         {  49,  -5 }, {  53,   0 }, {  64,   3 }, {  68,  10 },

  893.         {  66,  27 }, {  47,  57 }, {  -5,  71 }, {   0,  24 },

  894.         {  -1,  36 }, {  -2,  42 }, {  -2,  52 }, {  -9,  57 },

  895.         {  -6,  63 }, {  -4,  65 }, {  -4,  67 }, {  -7,  82 },

  896.         { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 },

  897.         { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 },

  898.         { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 },

  899.         { -10,  95 }, { -14, 100 }, {  -8,  95 }, { -17, 111 },

  900.         { -28, 114 }, {  -6,  89 }, {  -2,  80 }, {  -4,  82 },

  901.         {  -9,  85 }, {  -8,  81 }, {  -1,  72 }, {   5,  64 },

  902.         {   1,  67 }, {   9,  56 }, {   0,  69 }, {   1,  69 },

  903.         {   7,  69 }, {  -7,  69 }, {  -6,  67 }, { -16,  77 },

  904.         {  -2,  64 }, {   2,  61 }, {  -6,  67 }, {  -3,  64 },

  905.         {   2,  57 }, {  -3,  65 }, {  -3,  66 }, {   0,  62 },

  906.         {   9,  51 }, {  -1,  66 }, {  -2,  71 }, {  -2,  75 },

  907.         { -21, 126 }, { -23, 124 }, { -20, 110 }, { -26, 126 },

  908.         { -25, 124 }, { -17, 105 }, { -27, 121 }, { -27, 117 },

  909.         { -17, 102 }, { -26, 117 }, { -27, 116 }, { -33, 122 },

  910.         { -10,  95 }, { -14, 100 }, {  -8,  95 }, { -17, 111 },

  911.         { -28, 114 }, {  -6,  89 }, {  -2,  80 }, {  -4,  82 },

  912.         {  -9,  85 }, {  -8,  81 }, {  -1,  72 }, {   5,  64 },

  913.         {   1,  67 }, {   9,  56 }, {   0,  69 }, {   1,  69 },

  914.         {   7,  69 }, {  -7,  69 }, {  -6,  67 }, { -16,  77 },

  915.         {  -2,  64 }, {   2,  61 }, {  -6,  67 }, {  -3,  64 },

  916.         {   2,  57 }, {  -3,  65 }, {  -3,  66 }, {   0,  62 },

  917.         {   9,  51 }, {  -1,  66 }, {  -2,  71 }, {  -2,  75 },

  918.         {  19,  -6 }, {  18,  -6 }, {  14,   0 }, {  26, -12 },

  919.         {  31, -16 }, {  33, -25 }, {  33, -22 }, {  37, -28 },

  920.         {  39, -30 }, {  42, -30 }, {  47, -42 }, {  45, -36 },

  921.         {  49, -34 }, {  41, -17 }, {  32,   9 }, {  69, -71 },

  922.         {  63, -63 }, {  66, -64 }, {  77, -74 }, {  54, -39 },

  923.         {  52, -35 }, {  41, -10 }, {  36,   0 }, {  40,  -1 },

  924.         {  30,  14 }, {  28,  26 }, {  23,  37 }, {  12,  55 },

  925.         {  11,  65 }, {  37, -33 }, {  39, -36 }, {  40, -37 },

  926.         {  38, -30 }, {  46, -33 }, {  42, -30 }, {  40, -24 },

  927.         {  49, -29 }, {  38, -12 }, {  40, -10 }, {  38,  -3 },

  928.         {  46,  -5 }, {  31,  20 }, {  29,  30 }, {  25,  44 },

  929.         {  19,  -6 }, {  18,  -6 }, {  14,   0 }, {  26, -12 },

  930.         {  31, -16 }, {  33, -25 }, {  33, -22 }, {  37, -28 },

  931.         {  39, -30 }, {  42, -30 }, {  47, -42 }, {  45, -36 },

  932.         {  49, -34 }, {  41, -17 }, {  32,   9 }, {  69, -71 },

  933.         {  63, -63 }, {  66, -64 }, {  77, -74 }, {  54, -39 },

  934.         {  52, -35 }, {  41, -10 }, {  36,   0 }, {  40,  -1 },

  935.         {  30,  14 }, {  28,  26 }, {  23,  37 }, {  12,  55 },

  936.         {  11,  65 }, {  37, -33 }, {  39, -36 }, {  40, -37 },

  937.         {  38, -30 }, {  46, -33 }, {  42, -30 }, {  40, -24 },

  938.         {  49, -29 }, {  38, -12 }, {  40, -10 }, {  38,  -3 },

  939.         {  46,  -5 }, {  31,  20 }, {  29,  30 }, {  25,  44 },

  940.         { -23, 112 }, { -15,  71 }, {  -7,  61 }, {   0,  53 },

  941.         {  -5,  66 }, { -11,  77 }, {  -9,  80 }, {  -9,  84 },

  942.         { -10,  87 }, { -34, 127 }, { -21, 101 }, {  -3,  39 },

  943.         {  -5,  53 }, {  -7,  61 }, { -11,  75 }, { -15,  77 },

  944.         { -17,  91 }, { -25, 107 }, { -25, 111 }, { -28, 122 },

  945.         { -11,  76 }, { -10,  44 }, { -10,  52 }, { -10,  57 },

  946.         {  -9,  58 }, { -16,  72 }, {  -7,  69 }, {  -4,  69 },

  947.         {  -5,  74 }, {  -9,  86 }, { -23, 112 }, { -15,  71 },

  948.         {  -7,  61 }, {   0,  53 }, {  -5,  66 }, { -11,  77 },

  949.         {  -9,  80 }, {  -9,  84 }, { -10,  87 }, { -34, 127 },

  950.         { -21, 101 }, {  -3,  39 }, {  -5,  53 }, {  -7,  61 },

  951.         { -11,  75 }, { -15,  77 }, { -17,  91 }, { -25, 107 },

  952.         { -25, 111 }, { -28, 122 }, { -11,  76 }, { -10,  44 },

  953.         { -10,  52 }, { -10,  57 }, {  -9,  58 }, { -16,  72 },

  954.         {  -7,  69 }, {  -4,  69 }, {  -5,  74 }, {  -9,  86 },

  955.         {  -2,  73 }, { -12, 104 }, {  -9,  91 }, { -31, 127 },

  956.         {  -2,  73 }, { -12, 104 }, {  -9,  91 }, { -31, 127 },

  957.         {  -2,  73 }, { -12, 104 }, {  -9,  91 }, { -31, 127 }

  958.     },

  959. 

  960.     /* i_cabac_init_idc == 2 */

  961.     {

  962.         /* 0 - 10 */

  963.         {  20, -15 }, {   2,  54 }, {   3,  74 }, {  20, -15 },

  964.         {   2,  54 }, {   3,  74 }, { -28, 127 }, { -23, 104 },

  965.         {  -6,  53 }, {  -1,  54 }, {   7,  51 },

  966. 

  967.         /* 11 - 23 */

  968.         {  29,  16 }, {  25,   0 }, {  14,   0 }, { -10,  51 },

  969.         {  -3,  62 }, { -27,  99 }, {  26,  16 }, {  -4,  85 },

  970.         { -24, 102 }, {   5,  57 }, {   6,  57 }, { -17,  73 },

  971.         {  14,  57 },

  972. 

  973.         /* 24 - 39 */

  974.         {  20,  40 }, {  20,  10 }, {  29,   0 }, {  54,   0 },

  975.         {  37,  42 }, {  12,  97 }, { -32, 127 }, { -22, 117 },

  976.         {  -2,  74 }, {  -4,  85 }, { -24, 102 }, {   5,  57 },

  977.         {  -6,  93 }, { -14,  88 }, {  -6,  44 }, {   4,  55 },

  978. 

  979.         /* 40 - 53 */

  980.         { -11,  89 },{ -15,  103 },{ -21,  116 },{  19,  57 },

  981.         {  20,  58 },{   4,  84 },{   6,  96 },{   1,  63 },

  982.         {  -5,  85 },{ -13,  106 },{   5,  63 },{   6,  75 },

  983.         {  -3,  90 },{  -1,  101 },

  984. 

  985.         /* 54 - 59 */

  986.         {   3,  55 },{  -4,  79 },{  -2,  75 },{ -12,  97 },

  987.         {  -7,  50 },{   1,  60 },

  988. 

  989.         /* 60 - 69 */

  990.         { 0, 41 },   { 0, 63 },   { 0, 63 },     { 0, 63 },

  991.         { -9, 83 },  { 4, 86 },   { 0, 97 },     { -7, 72 },

  992.         { 13, 41 },  { 3, 62 },

  993. 

  994.         /* 70 - 104 */

  995.         {   7,  34 }, {  -9,  88 }, { -20, 127 }, { -36, 127 },

  996.         { -17,  91 }, { -14,  95 }, { -25,  84 }, { -25,  86 },

  997.         { -12,  89 }, { -17,  91 }, { -31, 127 }, { -14,  76 },

  998.         { -18, 103 }, { -13,  90 }, { -37, 127 }, {  11,  80 },

  999.         {   5,  76 }, {   2,  84 }, {   5,  78 }, {  -6,  55 },

  1000.         {   4,  61 }, { -14,  83 }, { -37, 127 }, {  -5,  79 },

  1001.         { -11, 104 }, { -11,  91 }, { -30, 127 }, {   0,  65 },

  1002.         {  -2,  79 }, {   0,  72 }, {  -4,  92 }, {  -6,  56 },

  1003.         {   3,  68 }, {  -8,  71 }, { -13,  98 },

  1004. 

  1005.         /* 105 -> 165 */

  1006.         {  -4,  86 }, { -12,  88 }, {  -5,  82 }, {  -3,  72 },

  1007.         {  -4,  67 }, {  -8,  72 }, { -16,  89 }, {  -9,  69 },

  1008.         {  -1,  59 }, {   5,  66 }, {   4,  57 }, {  -4,  71 },

  1009.         {  -2,  71 }, {   2,  58 }, {  -1,  74 }, {  -4,  44 },

  1010.         {  -1,  69 }, {   0,  62 }, {  -7,  51 }, {  -4,  47 },

  1011.         {  -6,  42 }, {  -3,  41 }, {  -6,  53 }, {   8,  76 },

  1012.         {  -9,  78 }, { -11,  83 }, {   9,  52 }, {   0,  67 },

  1013.         {  -5,  90 }, {   1,  67 }, { -15,  72 }, {  -5,  75 },

  1014.         {  -8,  80 }, { -21,  83 }, { -21,  64 }, { -13,  31 },

  1015.         { -25,  64 }, { -29,  94 }, {   9,  75 }, {  17,  63 },

  1016.         {  -8,  74 }, {  -5,  35 }, {  -2,  27 }, {  13,  91 },

  1017.         {   3,  65 }, {  -7,  69 }, {   8,  77 }, { -10,  66 },

  1018.         {   3,  62 }, {  -3,  68 }, { -20,  81 }, {   0,  30 },

  1019.         {   1,   7 }, {  -3,  23 }, { -21,  74 }, {  16,  66 },

  1020.         { -23, 124 }, {  17,  37 }, {  44, -18 }, {  50, -34 },

  1021.         { -22, 127 },

  1022. 

  1023.         /* 166 - 226 */

  1024.         {   4,  39 }, {   0,  42 }, {   7,  34 }, {  11,  29 },

  1025.         {   8,  31 }, {   6,  37 }, {   7,  42 }, {   3,  40 },

  1026.         {   8,  33 }, {  13,  43 }, {  13,  36 }, {   4,  47 },

  1027.         {   3,  55 }, {   2,  58 }, {   6,  60 }, {   8,  44 },

  1028.         {  11,  44 }, {  14,  42 }, {   7,  48 }, {   4,  56 },

  1029.         {   4,  52 }, {  13,  37 }, {   9,  49 }, {  19,  58 },

  1030.         {  10,  48 }, {  12,  45 }, {   0,  69 }, {  20,  33 },

  1031.         {   8,  63 }, {  35, -18 }, {  33, -25 }, {  28,  -3 },

  1032.         {  24,  10 }, {  27,   0 }, {  34, -14 }, {  52, -44 },

  1033.         {  39, -24 }, {  19,  17 }, {  31,  25 }, {  36,  29 },

  1034.         {  24,  33 }, {  34,  15 }, {  30,  20 }, {  22,  73 },

  1035.         {  20,  34 }, {  19,  31 }, {  27,  44 }, {  19,  16 },

  1036.         {  15,  36 }, {  15,  36 }, {  21,  28 }, {  25,  21 },

  1037.         {  30,  20 }, {  31,  12 }, {  27,  16 }, {  24,  42 },

  1038.         {   0,  93 }, {  14,  56 }, {  15,  57 }, {  26,  38 },

  1039.         { -24, 127 },

  1040. 

  1041.         /* 227 - 275 */

  1042.         { -24, 115 }, { -22,  82 }, {  -9,  62 }, {   0,  53 },

  1043.         {   0,  59 }, { -14,  85 }, { -13,  89 }, { -13,  94 },

  1044.         { -11,  92 }, { -29, 127 }, { -21, 100 }, { -14,  57 },

  1045.         { -12,  67 }, { -11,  71 }, { -10,  77 }, { -21,  85 },

  1046.         { -16,  88 }, { -23, 104 }, { -15,  98 }, { -37, 127 },

  1047.         { -10,  82 }, {  -8,  48 }, {  -8,  61 }, {  -8,  66 },

  1048.         {  -7,  70 }, { -14,  75 }, { -10,  79 }, {  -9,  83 },

  1049.         { -12,  92 }, { -18, 108 }, {  -4,  79 }, { -22,  69 },

  1050.         { -16,  75 }, {  -2,  58 }, {   1,  58 }, { -13,  78 },

  1051.         {  -9,  83 }, {  -4,  81 }, { -13,  99 }, { -13,  81 },

  1052.         {  -6,  38 }, { -13,  62 }, {  -6,  58 }, {  -2,  59 },

  1053.         { -16,  73 }, { -10,  76 }, { -13,  86 }, {  -9,  83 },

  1054.         { -10,  87 },

  1055. 

  1056.         /* 276 a bit special (not used, bypass is used instead) */

  1057.         { 0, 0 },

  1058. 

  1059.         /* 277 - 337 */

  1060.         { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 },

  1061.         { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 },

  1062.         { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 },

  1063.         { -10,  94 }, { -15, 102 }, { -10,  99 }, { -13, 106 },

  1064.         { -50, 127 }, {  -5,  92 }, {  17,  57 }, {  -5,  86 },

  1065.         { -13,  94 }, { -12,  91 }, {  -2,  77 }, {   0,  71 },

  1066.         {  -1,  73 }, {   4,  64 }, {  -7,  81 }, {   5,  64 },

  1067.         {  15,  57 }, {   1,  67 }, {   0,  68 }, { -10,  67 },

  1068.         {   1,  68 }, {   0,  77 }, {   2,  64 }, {   0,  68 },

  1069.         {  -5,  78 }, {   7,  55 }, {   5,  59 }, {   2,  65 },

  1070.         {  14,  54 }, {  15,  44 }, {   5,  60 }, {   2,  70 },

  1071.         {  -2,  76 }, { -18,  86 }, {  12,  70 }, {   5,  64 },

  1072.         { -12,  70 }, {  11,  55 }, {   5,  56 }, {   0,  69 },

  1073.         {   2,  65 }, {  -6,  74 }, {   5,  54 }, {   7,  54 },

  1074.         {  -6,  76 }, { -11,  82 }, {  -2,  77 }, {  -2,  77 },

  1075.         {  25,  42 },

  1076. 

  1077.         /* 338 - 398 */

  1078.         {  17, -13 }, {  16,  -9 }, {  17, -12 }, {  27, -21 },

  1079.         {  37, -30 }, {  41, -40 }, {  42, -41 }, {  48, -47 },

  1080.         {  39, -32 }, {  46, -40 }, {  52, -51 }, {  46, -41 },

  1081.         {  52, -39 }, {  43, -19 }, {  32,  11 }, {  61, -55 },

  1082.         {  56, -46 }, {  62, -50 }, {  81, -67 }, {  45, -20 },

  1083.         {  35,  -2 }, {  28,  15 }, {  34,   1 }, {  39,   1 },

  1084.         {  30,  17 }, {  20,  38 }, {  18,  45 }, {  15,  54 },

  1085.         {   0,  79 }, {  36, -16 }, {  37, -14 }, {  37, -17 },

  1086.         {  32,   1 }, {  34,  15 }, {  29,  15 }, {  24,  25 },

  1087.         {  34,  22 }, {  31,  16 }, {  35,  18 }, {  31,  28 },

  1088.         {  33,  41 }, {  36,  28 }, {  27,  47 }, {  21,  62 },

  1089.         {  18,  31 }, {  19,  26 }, {  36,  24 }, {  24,  23 },

  1090.         {  27,  16 }, {  24,  30 }, {  31,  29 }, {  22,  41 },

  1091.         {  22,  42 }, {  16,  60 }, {  15,  52 }, {  14,  60 },

  1092.         {   3,  78 }, { -16, 123 }, {  21,  53 }, {  22,  56 },

  1093.         {  25,  61 },

  1094. 

  1095.         /* 399 - 435 */

  1096.         {  21,  33 }, {  19,  50 }, {  17,  61 },

  1097.         {  -3,  78 }, {  -8,  74 }, {  -9,  72 }, { -10,  72 },

  1098.         { -18,  75 }, { -12,  71 }, { -11,  63 }, {  -5,  70 },

  1099.         { -17,  75 }, { -14,  72 }, { -16,  67 }, {  -8,  53 },

  1100.         { -14,  59 }, {  -9,  52 }, { -11,  68 }, {   9,  -2 },

  1101.         {  30, -10 }, {  31,  -4 }, {  33,  -1 }, {  33,   7 },

  1102.         {  31,  12 }, {  37,  23 }, {  31,  38 }, {  20,  64 },

  1103.         {  -9,  71 }, {  -7,  37 }, {  -8,  44 }, { -11,  49 },

  1104.         { -10,  56 }, { -12,  59 }, {  -8,  63 }, {  -9,  67 },

  1105.         {  -6,  68 }, { -10,  79 },

  1106. 

  1107.         /* 436 - 459 */

  1108.         {  -3,  78 }, {  -8,  74 }, {  -9,  72 }, { -10,  72 },

  1109.         { -18,  75 }, { -12,  71 }, { -11,  63 }, {  -5,  70 },

  1110.         { -17,  75 }, { -14,  72 }, { -16,  67 }, {  -8,  53 },

  1111.         { -14,  59 }, {  -9,  52 }, { -11,  68 }, {   9,  -2 },

  1112.         {  30, -10 }, {  31,  -4 }, {  33,  -1 }, {  33,   7 },

  1113.         {  31,  12 }, {  37,  23 }, {  31,  38 }, {  20,  64 },

  1114. 

  1115.         /* 460 - 1024 */

  1116.         {  11,  80 }, {   5,  76 }, {   2,  84 }, {   5,  78 },

  1117.         {  -6,  55 }, {   4,  61 }, { -14,  83 }, { -37, 127 },

  1118.         {  -5,  79 }, { -11, 104 }, { -11,  91 }, { -30, 127 },

  1119.         {  11,  80 }, {   5,  76 }, {   2,  84 }, {   5,  78 },

  1120.         {  -6,  55 }, {   4,  61 }, { -14,  83 }, { -37, 127 },

  1121.         {  -5,  79 }, { -11, 104 }, { -11,  91 }, { -30, 127 },

  1122.         {  -4,  86 }, { -12,  88 }, {  -5,  82 }, {  -3,  72 },

  1123.         {  -4,  67 }, {  -8,  72 }, { -16,  89 }, {  -9,  69 },

  1124.         {  -1,  59 }, {   5,  66 }, {   4,  57 }, {  -4,  71 },

  1125.         {  -2,  71 }, {   2,  58 }, {  -1,  74 }, {  -4,  44 },

  1126.         {  -1,  69 }, {   0,  62 }, {  -7,  51 }, {  -4,  47 },

  1127.         {  -6,  42 }, {  -3,  41 }, {  -6,  53 }, {   8,  76 },

  1128.         {  -9,  78 }, { -11,  83 }, {   9,  52 }, {   0,  67 },

  1129.         {  -5,  90 }, {   1,  67 }, { -15,  72 }, {  -5,  75 },

  1130.         {  -8,  80 }, { -21,  83 }, { -21,  64 }, { -13,  31 },

  1131.         { -25,  64 }, { -29,  94 }, {   9,  75 }, {  17,  63 },

  1132.         {  -8,  74 }, {  -5,  35 }, {  -2,  27 }, {  13,  91 },

  1133.         {  -4,  86 }, { -12,  88 }, {  -5,  82 }, {  -3,  72 },

  1134.         {  -4,  67 }, {  -8,  72 }, { -16,  89 }, {  -9,  69 },

  1135.         {  -1,  59 }, {   5,  66 }, {   4,  57 }, {  -4,  71 },

  1136.         {  -2,  71 }, {   2,  58 }, {  -1,  74 }, {  -4,  44 },

  1137.         {  -1,  69 }, {   0,  62 }, {  -7,  51 }, {  -4,  47 },

  1138.         {  -6,  42 }, {  -3,  41 }, {  -6,  53 }, {   8,  76 },

  1139.         {  -9,  78 }, { -11,  83 }, {   9,  52 }, {   0,  67 },

  1140.         {  -5,  90 }, {   1,  67 }, { -15,  72 }, {  -5,  75 },

  1141.         {  -8,  80 }, { -21,  83 }, { -21,  64 }, { -13,  31 },

  1142.         { -25,  64 }, { -29,  94 }, {   9,  75 }, {  17,  63 },

  1143.         {  -8,  74 }, {  -5,  35 }, {  -2,  27 }, {  13,  91 },

  1144.         {   4,  39 }, {   0,  42 }, {   7,  34 }, {  11,  29 },

  1145.         {   8,  31 }, {   6,  37 }, {   7,  42 }, {   3,  40 },

  1146.         {   8,  33 }, {  13,  43 }, {  13,  36 }, {   4,  47 },

  1147.         {   3,  55 }, {   2,  58 }, {   6,  60 }, {   8,  44 },

  1148.         {  11,  44 }, {  14,  42 }, {   7,  48 }, {   4,  56 },

  1149.         {   4,  52 }, {  13,  37 }, {   9,  49 }, {  19,  58 },

  1150.         {  10,  48 }, {  12,  45 }, {   0,  69 }, {  20,  33 },

  1151.         {   8,  63 }, {  35, -18 }, {  33, -25 }, {  28,  -3 },

  1152.         {  24,  10 }, {  27,   0 }, {  34, -14 }, {  52, -44 },

  1153.         {  39, -24 }, {  19,  17 }, {  31,  25 }, {  36,  29 },

  1154.         {  24,  33 }, {  34,  15 }, {  30,  20 }, {  22,  73 },

  1155.         {   4,  39 }, {   0,  42 }, {   7,  34 }, {  11,  29 },

  1156.         {   8,  31 }, {   6,  37 }, {   7,  42 }, {   3,  40 },

  1157.         {   8,  33 }, {  13,  43 }, {  13,  36 }, {   4,  47 },

  1158.         {   3,  55 }, {   2,  58 }, {   6,  60 }, {   8,  44 },

  1159.         {  11,  44 }, {  14,  42 }, {   7,  48 }, {   4,  56 },

  1160.         {   4,  52 }, {  13,  37 }, {   9,  49 }, {  19,  58 },

  1161.         {  10,  48 }, {  12,  45 }, {   0,  69 }, {  20,  33 },

  1162.         {   8,  63 }, {  35, -18 }, {  33, -25 }, {  28,  -3 },

  1163.         {  24,  10 }, {  27,   0 }, {  34, -14 }, {  52, -44 },

  1164.         {  39, -24 }, {  19,  17 }, {  31,  25 }, {  36,  29 },

  1165.         {  24,  33 }, {  34,  15 }, {  30,  20 }, {  22,  73 },

  1166.         {  -3,  78 }, {  -8,  74 }, {  -9,  72 }, { -10,  72 },

  1167.         { -18,  75 }, { -12,  71 }, { -11,  63 }, {  -5,  70 },

  1168.         { -17,  75 }, { -14,  72 }, { -16,  67 }, {  -8,  53 },

  1169.         { -14,  59 }, {  -9,  52 }, { -11,  68 }, {  -3,  78 },

  1170.         {  -8,  74 }, {  -9,  72 }, { -10,  72 }, { -18,  75 },

  1171.         { -12,  71 }, { -11,  63 }, {  -5,  70 }, { -17,  75 },

  1172.         { -14,  72 }, { -16,  67 }, {  -8,  53 }, { -14,  59 },

  1173.         {  -9,  52 }, { -11,  68 }, {   9,  -2 }, {  30, -10 },

  1174.         {  31,  -4 }, {  33,  -1 }, {  33,   7 }, {  31,  12 },

  1175.         {  37,  23 }, {  31,  38 }, {  20,  64 }, {   9,  -2 },

  1176.         {  30, -10 }, {  31,  -4 }, {  33,  -1 }, {  33,   7 },

  1177.         {  31,  12 }, {  37,  23 }, {  31,  38 }, {  20,  64 },

  1178.         {  -9,  71 }, {  -7,  37 }, {  -8,  44 }, { -11,  49 },

  1179.         { -10,  56 }, { -12,  59 }, {  -8,  63 }, {  -9,  67 },

  1180.         {  -6,  68 }, { -10,  79 }, {  -3,  78 }, {  -8,  74 },

  1181.         {  -9,  72 }, { -10,  72 }, { -18,  75 }, { -12,  71 },

  1182.         { -11,  63 }, {  -5,  70 }, { -17,  75 }, { -14,  72 },

  1183.         { -16,  67 }, {  -8,  53 }, { -14,  59 }, {  -9,  52 },

  1184.         { -11,  68 }, {  -3,  78 }, {  -8,  74 }, {  -9,  72 },

  1185.         { -10,  72 }, { -18,  75 }, { -12,  71 }, { -11,  63 },

  1186.         {  -5,  70 }, { -17,  75 }, { -14,  72 }, { -16,  67 },

  1187.         {  -8,  53 }, { -14,  59 }, {  -9,  52 }, { -11,  68 },

  1188.         {   9,  -2 }, {  30, -10 }, {  31,  -4 }, {  33,  -1 },

  1189.         {  33,   7 }, {  31,  12 }, {  37,  23 }, {  31,  38 },

  1190.         {  20,  64 }, {   9,  -2 }, {  30, -10 }, {  31,  -4 },

  1191.         {  33,  -1 }, {  33,   7 }, {  31,  12 }, {  37,  23 },

  1192.         {  31,  38 }, {  20,  64 }, {  -9,  71 }, {  -7,  37 },

  1193.         {  -8,  44 }, { -11,  49 }, { -10,  56 }, { -12,  59 },

  1194.         {  -8,  63 }, {  -9,  67 }, {  -6,  68 }, { -10,  79 },

  1195.         { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 },

  1196.         { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 },

  1197.         { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 },

  1198.         { -10,  94 }, { -15, 102 }, { -10,  99 }, { -13, 106 },

  1199.         { -50, 127 }, {  -5,  92 }, {  17,  57 }, {  -5,  86 },

  1200.         { -13,  94 }, { -12,  91 }, {  -2,  77 }, {   0,  71 },

  1201.         {  -1,  73 }, {   4,  64 }, {  -7,  81 }, {   5,  64 },

  1202.         {  15,  57 }, {   1,  67 }, {   0,  68 }, { -10,  67 },

  1203.         {   1,  68 }, {   0,  77 }, {   2,  64 }, {   0,  68 },

  1204.         {  -5,  78 }, {   7,  55 }, {   5,  59 }, {   2,  65 },

  1205.         {  14,  54 }, {  15,  44 }, {   5,  60 }, {   2,  70 },

  1206.         { -22, 127 }, { -25, 127 }, { -25, 120 }, { -27, 127 },

  1207.         { -19, 114 }, { -23, 117 }, { -25, 118 }, { -26, 117 },

  1208.         { -24, 113 }, { -28, 118 }, { -31, 120 }, { -37, 124 },

  1209.         { -10,  94 }, { -15, 102 }, { -10,  99 }, { -13, 106 },

  1210.         { -50, 127 }, {  -5,  92 }, {  17,  57 }, {  -5,  86 },

  1211.         { -13,  94 }, { -12,  91 }, {  -2,  77 }, {   0,  71 },

  1212.         {  -1,  73 }, {   4,  64 }, {  -7,  81 }, {   5,  64 },

  1213.         {  15,  57 }, {   1,  67 }, {   0,  68 }, { -10,  67 },

  1214.         {   1,  68 }, {   0,  77 }, {   2,  64 }, {   0,  68 },

  1215.         {  -5,  78 }, {   7,  55 }, {   5,  59 }, {   2,  65 },

  1216.         {  14,  54 }, {  15,  44 }, {   5,  60 }, {   2,  70 },

  1217.         {  17, -13 }, {  16,  -9 }, {  17, -12 }, {  27, -21 },

  1218.         {  37, -30 }, {  41, -40 }, {  42, -41 }, {  48, -47 },

  1219.         {  39, -32 }, {  46, -40 }, {  52, -51 }, {  46, -41 },

  1220.         {  52, -39 }, {  43, -19 }, {  32,  11 }, {  61, -55 },

  1221.         {  56, -46 }, {  62, -50 }, {  81, -67 }, {  45, -20 },

  1222.         {  35,  -2 }, {  28,  15 }, {  34,   1 }, {  39,   1 },

  1223.         {  30,  17 }, {  20,  38 }, {  18,  45 }, {  15,  54 },

  1224.         {   0,  79 }, {  36, -16 }, {  37, -14 }, {  37, -17 },

  1225.         {  32,   1 }, {  34,  15 }, {  29,  15 }, {  24,  25 },

  1226.         {  34,  22 }, {  31,  16 }, {  35,  18 }, {  31,  28 },

  1227.         {  33,  41 }, {  36,  28 }, {  27,  47 }, {  21,  62 },

  1228.         {  17, -13 }, {  16,  -9 }, {  17, -12 }, {  27, -21 },

  1229.         {  37, -30 }, {  41, -40 }, {  42, -41 }, {  48, -47 },

  1230.         {  39, -32 }, {  46, -40 }, {  52, -51 }, {  46, -41 },

  1231.         {  52, -39 }, {  43, -19 }, {  32,  11 }, {  61, -55 },

  1232.         {  56, -46 }, {  62, -50 }, {  81, -67 }, {  45, -20 },

  1233.         {  35,  -2 }, {  28,  15 }, {  34,   1 }, {  39,   1 },

  1234.         {  30,  17 }, {  20,  38 }, {  18,  45 }, {  15,  54 },

  1235.         {   0,  79 }, {  36, -16 }, {  37, -14 }, {  37, -17 },

  1236.         {  32,   1 }, {  34,  15 }, {  29,  15 }, {  24,  25 },

  1237.         {  34,  22 }, {  31,  16 }, {  35,  18 }, {  31,  28 },

  1238.         {  33,  41 }, {  36,  28 }, {  27,  47 }, {  21,  62 },

  1239.         { -24, 115 }, { -22,  82 }, {  -9,  62 }, {   0,  53 },

  1240.         {   0,  59 }, { -14,  85 }, { -13,  89 }, { -13,  94 },

  1241.         { -11,  92 }, { -29, 127 }, { -21, 100 }, { -14,  57 },

  1242.         { -12,  67 }, { -11,  71 }, { -10,  77 }, { -21,  85 },

  1243.         { -16,  88 }, { -23, 104 }, { -15,  98 }, { -37, 127 },

  1244.         { -10,  82 }, {  -8,  48 }, {  -8,  61 }, {  -8,  66 },

  1245.         {  -7,  70 }, { -14,  75 }, { -10,  79 }, {  -9,  83 },

  1246.         { -12,  92 }, { -18, 108 }, { -24, 115 }, { -22,  82 },

  1247.         {  -9,  62 }, {   0,  53 }, {   0,  59 }, { -14,  85 },

  1248.         { -13,  89 }, { -13,  94 }, { -11,  92 }, { -29, 127 },

  1249.         { -21, 100 }, { -14,  57 }, { -12,  67 }, { -11,  71 },

  1250.         { -10,  77 }, { -21,  85 }, { -16,  88 }, { -23, 104 },

  1251.         { -15,  98 }, { -37, 127 }, { -10,  82 }, {  -8,  48 },

  1252.         {  -8,  61 }, {  -8,  66 }, {  -7,  70 }, { -14,  75 },

  1253.         { -10,  79 }, {  -9,  83 }, { -12,  92 }, { -18, 108 },

  1254.         {  -5,  79 }, { -11, 104 }, { -11,  91 }, { -30, 127 },

  1255.         {  -5,  79 }, { -11, 104 }, { -11,  91 }, { -30, 127 },

  1256.         {  -5,  79 }, { -11, 104 }, { -11,  91 }, { -30, 127 }

  1257.     }

  1258. };

  1259. 

  1260. void ff_h264_init_cabac_states(H264Context *h) {

  1261.     MpegEncContext * const s = &h->s;

  1262.     int i;

  1263.     const int8_t (*tab)[2];

  1264.     const int slice_qp = av_clip(s->qscale - 6*(h->sps.bit_depth_luma-8), 0, 51);

  1265. 

  1266.     if( h->slice_type_nos == AV_PICTURE_TYPE_I ) tab = cabac_context_init_I;

  1267.     else                                 tab = cabac_context_init_PB[h->cabac_init_idc];

  1268. 

  1269.     /* calculate pre-state */

  1270.     for( i= 0; i < 1024; i++ ) {

  1271.         int pre = 2*(((tab[i][0] * slice_qp) >>4 ) + tab[i][1]) - 127;

  1272. 

  1273.         pre^= pre>>31;

  1274.         if(pre > 124)

  1275.             pre= 124 + (pre&1);

  1276. 

  1277.         h->cabac_state[i] =  pre;

  1278.     }

  1279. }

  1280. 

  1281. static int decode_cabac_field_decoding_flag(H264Context *h) {

  1282.     MpegEncContext * const s = &h->s;

  1283.     const long mbb_xy = h->mb_xy - 2L*s->mb_stride;

  1284. 

  1285.     unsigned long ctx = 0;

  1286. 

  1287.     ctx += h->mb_field_decoding_flag & !!s->mb_x; //for FMO:(s->current_picture.f.mb_type[mba_xy] >> 7) & (h->slice_table[mba_xy] == h->slice_num);

  1288.     ctx += (s->current_picture.f.mb_type[mbb_xy] >> 7) & (h->slice_table[mbb_xy] == h->slice_num);

  1289. 

  1290.     return get_cabac_noinline( &h->cabac, &(h->cabac_state+70)[ctx] );

  1291. }

  1292. 

  1293. static int decode_cabac_intra_mb_type(H264Context *h, int ctx_base, int intra_slice) {

  1294.     uint8_t *state= &h->cabac_state[ctx_base];

  1295.     int mb_type;

  1296. 

  1297.     if(intra_slice){

  1298.         int ctx=0;

  1299.         if( h->left_type[LTOP] & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM))

  1300.             ctx++;

  1301.         if( h->top_type        & (MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM))

  1302.             ctx++;

  1303.         if( get_cabac_noinline( &h->cabac, &state[ctx] ) == 0 )

  1304.             return 0;   /* I4x4 */

  1305.         state += 2;

  1306.     }else{

  1307.         if( get_cabac_noinline( &h->cabac, state ) == 0 )

  1308.             return 0;   /* I4x4 */

  1309.     }

  1310. 

  1311.     if( get_cabac_terminate( &h->cabac ) )

  1312.         return 25;  /* PCM */

  1313. 

  1314.     mb_type = 1; /* I16x16 */

  1315.     mb_type += 12 * get_cabac_noinline( &h->cabac, &state[1] ); /* cbp_luma != 0 */

  1316.     if( get_cabac_noinline( &h->cabac, &state[2] ) ) /* cbp_chroma */

  1317.         mb_type += 4 + 4 * get_cabac_noinline( &h->cabac, &state[2+intra_slice] );

  1318.     mb_type += 2 * get_cabac_noinline( &h->cabac, &state[3+intra_slice] );

  1319.     mb_type += 1 * get_cabac_noinline( &h->cabac, &state[3+2*intra_slice] );

  1320.     return mb_type;

  1321. }

  1322. 

  1323. static int decode_cabac_mb_skip( H264Context *h, int mb_x, int mb_y ) {

  1324.     MpegEncContext * const s = &h->s;

  1325.     int mba_xy, mbb_xy;

  1326.     int ctx = 0;

  1327. 

  1328.     if(FRAME_MBAFF){ //FIXME merge with the stuff in fill_caches?

  1329.         int mb_xy = mb_x + (mb_y&~1)*s->mb_stride;

  1330.         mba_xy = mb_xy - 1;

  1331.         if( (mb_y&1)

  1332.             && h->slice_table[mba_xy] == h->slice_num

  1333.             && MB_FIELD == !!IS_INTERLACED( s->current_picture.f.mb_type[mba_xy] ) )

  1334.             mba_xy += s->mb_stride;

  1335.         if( MB_FIELD ){

  1336.             mbb_xy = mb_xy - s->mb_stride;

  1337.             if( !(mb_y&1)

  1338.                 && h->slice_table[mbb_xy] == h->slice_num

  1339.                 && IS_INTERLACED( s->current_picture.f.mb_type[mbb_xy] ) )

  1340.                 mbb_xy -= s->mb_stride;

  1341.         }else

  1342.             mbb_xy = mb_x + (mb_y-1)*s->mb_stride;

  1343.     }else{

  1344.         int mb_xy = h->mb_xy;

  1345.         mba_xy = mb_xy - 1;

  1346.         mbb_xy = mb_xy - (s->mb_stride << FIELD_PICTURE);

  1347.     }

  1348. 

  1349.     if( h->slice_table[mba_xy] == h->slice_num && !IS_SKIP( s->current_picture.f.mb_type[mba_xy] ))

  1350.         ctx++;

  1351.     if( h->slice_table[mbb_xy] == h->slice_num && !IS_SKIP( s->current_picture.f.mb_type[mbb_xy] ))

  1352.         ctx++;

  1353. 

  1354.     if( h->slice_type_nos == AV_PICTURE_TYPE_B )

  1355.         ctx += 13;

  1356.     return get_cabac_noinline( &h->cabac, &h->cabac_state[11+ctx] );

  1357. }

  1358. 

  1359. static int decode_cabac_mb_intra4x4_pred_mode( H264Context *h, int pred_mode ) {

  1360.     int mode = 0;

  1361. 

  1362.     if( get_cabac( &h->cabac, &h->cabac_state[68] ) )

  1363.         return pred_mode;

  1364. 

  1365.     mode += 1 * get_cabac( &h->cabac, &h->cabac_state[69] );

  1366.     mode += 2 * get_cabac( &h->cabac, &h->cabac_state[69] );

  1367.     mode += 4 * get_cabac( &h->cabac, &h->cabac_state[69] );

  1368. 

  1369.     return mode + ( mode >= pred_mode );

  1370. }

  1371. 

  1372. static int decode_cabac_mb_chroma_pre_mode( H264Context *h) {

  1373.     const int mba_xy = h->left_mb_xy[0];

  1374.     const int mbb_xy = h->top_mb_xy;

  1375. 

  1376.     int ctx = 0;

  1377. 

  1378.     /* No need to test for IS_INTRA4x4 and IS_INTRA16x16, as we set chroma_pred_mode_table to 0 */

  1379.     if( h->left_type[LTOP] && h->chroma_pred_mode_table[mba_xy] != 0 )

  1380.         ctx++;

  1381. 

  1382.     if( h->top_type        && h->chroma_pred_mode_table[mbb_xy] != 0 )

  1383.         ctx++;

  1384. 

  1385.     if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+ctx] ) == 0 )

  1386.         return 0;

  1387. 

  1388.     if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 )

  1389.         return 1;

  1390.     if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 )

  1391.         return 2;

  1392.     else

  1393.         return 3;

  1394. }

  1395. 

  1396. static int decode_cabac_mb_cbp_luma( H264Context *h) {

  1397.     int cbp_b, cbp_a, ctx, cbp = 0;

  1398. 

  1399.     cbp_a = h->left_cbp;

  1400.     cbp_b = h->top_cbp;

  1401. 

  1402.     ctx = !(cbp_a & 0x02) + 2 * !(cbp_b & 0x04);

  1403.     cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]);

  1404.     ctx = !(cbp   & 0x01) + 2 * !(cbp_b & 0x08);

  1405.     cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 1;

  1406.     ctx = !(cbp_a & 0x08) + 2 * !(cbp   & 0x01);

  1407.     cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 2;

  1408.     ctx = !(cbp   & 0x04) + 2 * !(cbp   & 0x02);

  1409.     cbp += get_cabac_noinline(&h->cabac, &h->cabac_state[73 + ctx]) << 3;

  1410.     return cbp;

  1411. }

  1412. static int decode_cabac_mb_cbp_chroma( H264Context *h) {

  1413.     int ctx;

  1414.     int cbp_a, cbp_b;

  1415. 

  1416.     cbp_a = (h->left_cbp>>4)&0x03;

  1417.     cbp_b = (h-> top_cbp>>4)&0x03;

  1418. 

  1419.     ctx = 0;

  1420.     if( cbp_a > 0 ) ctx++;

  1421.     if( cbp_b > 0 ) ctx += 2;

  1422.     if( get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] ) == 0 )

  1423.         return 0;

  1424. 

  1425.     ctx = 4;

  1426.     if( cbp_a == 2 ) ctx++;

  1427.     if( cbp_b == 2 ) ctx += 2;

  1428.     return 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] );

  1429. }

  1430. 

  1431. static int decode_cabac_p_mb_sub_type( H264Context *h ) {

  1432.     if( get_cabac( &h->cabac, &h->cabac_state[21] ) )

  1433.         return 0;   /* 8x8 */

  1434.     if( !get_cabac( &h->cabac, &h->cabac_state[22] ) )

  1435.         return 1;   /* 8x4 */

  1436.     if( get_cabac( &h->cabac, &h->cabac_state[23] ) )

  1437.         return 2;   /* 4x8 */

  1438.     return 3;       /* 4x4 */

  1439. }

  1440. static int decode_cabac_b_mb_sub_type( H264Context *h ) {

  1441.     int type;

  1442.     if( !get_cabac( &h->cabac, &h->cabac_state[36] ) )

  1443.         return 0;   /* B_Direct_8x8 */

  1444.     if( !get_cabac( &h->cabac, &h->cabac_state[37] ) )

  1445.         return 1 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L0_8x8, B_L1_8x8 */

  1446.     type = 3;

  1447.     if( get_cabac( &h->cabac, &h->cabac_state[38] ) ) {

  1448.         if( get_cabac( &h->cabac, &h->cabac_state[39] ) )

  1449.             return 11 + get_cabac( &h->cabac, &h->cabac_state[39] ); /* B_L1_4x4, B_Bi_4x4 */

  1450.         type += 4;

  1451.     }

  1452.     type += 2*get_cabac( &h->cabac, &h->cabac_state[39] );

  1453.     type +=   get_cabac( &h->cabac, &h->cabac_state[39] );

  1454.     return type;

  1455. }

  1456. 

  1457. static int decode_cabac_mb_ref( H264Context *h, int list, int n ) {

  1458.     int refa = h->ref_cache[list][scan8[n] - 1];

  1459.     int refb = h->ref_cache[list][scan8[n] - 8];

  1460.     int ref  = 0;

  1461.     int ctx  = 0;

  1462. 

  1463.     if( h->slice_type_nos == AV_PICTURE_TYPE_B) {

  1464.         if( refa > 0 && !(h->direct_cache[scan8[n] - 1]&(MB_TYPE_DIRECT2>>1)) )

  1465.             ctx++;

  1466.         if( refb > 0 && !(h->direct_cache[scan8[n] - 8]&(MB_TYPE_DIRECT2>>1)) )

  1467.             ctx += 2;

  1468.     } else {

  1469.         if( refa > 0 )

  1470.             ctx++;

  1471.         if( refb > 0 )

  1472.             ctx += 2;

  1473.     }

  1474. 

  1475.     while( get_cabac( &h->cabac, &h->cabac_state[54+ctx] ) ) {

  1476.         ref++;

  1477.         ctx = (ctx>>2)+4;

  1478.         if(ref >= 32 /*h->ref_list[list]*/){

  1479.             return -1;

  1480.         }

  1481.     }

  1482.     return ref;

  1483. }

  1484. 

  1485. static int decode_cabac_mb_mvd( H264Context *h, int ctxbase, int amvd, int *mvda) {

  1486.     int mvd;

  1487. 

  1488.     if(!get_cabac(&h->cabac, &h->cabac_state[ctxbase+((amvd-3)>>(INT_BIT-1))+((amvd-33)>>(INT_BIT-1))+2])){

  1489. //    if(!get_cabac(&h->cabac, &h->cabac_state[ctxbase+(amvd>2)+(amvd>32)])){

  1490.         *mvda= 0;

  1491.         return 0;

  1492.     }

  1493. 

  1494.     mvd= 1;

  1495.     ctxbase+= 3;

  1496.     while( mvd < 9 && get_cabac( &h->cabac, &h->cabac_state[ctxbase] ) ) {

  1497.         if( mvd < 4 )

  1498.             ctxbase++;

  1499.         mvd++;

  1500.     }

  1501. 

  1502.     if( mvd >= 9 ) {

  1503.         int k = 3;

  1504.         while( get_cabac_bypass( &h->cabac ) ) {

  1505.             mvd += 1 << k;

  1506.             k++;

  1507.             if(k>24){

  1508.                 av_log(h->s.avctx, AV_LOG_ERROR, "overflow in decode_cabac_mb_mvd\n");

  1509.                 return INT_MIN;

  1510.             }

  1511.         }

  1512.         while( k-- ) {

  1513.             mvd += get_cabac_bypass( &h->cabac )<<k;

  1514.         }

  1515.         *mvda=mvd < 70 ? mvd : 70;

  1516.     }else

  1517.         *mvda=mvd;

  1518.     return get_cabac_bypass_sign( &h->cabac, -mvd );

  1519. }

  1520. 

  1521. #define DECODE_CABAC_MB_MVD( h,  list,  n )\

  1522. {\

  1523.     int amvd0 = h->mvd_cache[list][scan8[n] - 1][0] +\

  1524.                 h->mvd_cache[list][scan8[n] - 8][0];\

  1525.     int amvd1 = h->mvd_cache[list][scan8[n] - 1][1] +\

  1526.                 h->mvd_cache[list][scan8[n] - 8][1];\

  1527. \

  1528.     mx += decode_cabac_mb_mvd( h, 40, amvd0, &mpx );\

  1529.     my += decode_cabac_mb_mvd( h, 47, amvd1, &mpy );\

  1530. }

  1531. 

  1532. static av_always_inline int get_cabac_cbf_ctx( H264Context *h, int cat, int idx, int max_coeff, int is_dc ) {

  1533.     int nza, nzb;

  1534.     int ctx = 0;

  1535.     static const uint16_t base_ctx[14] = {85,89,93,97,101,1012,460,464,468,1016,472,476,480,1020};

  1536. 

  1537.     if( is_dc ) {

  1538.         if( cat == 3 ) {

  1539.             idx -= CHROMA_DC_BLOCK_INDEX;

  1540.             nza = (h->left_cbp>>(6+idx))&0x01;

  1541.             nzb = (h-> top_cbp>>(6+idx))&0x01;

  1542.         } else {

  1543.             idx -= LUMA_DC_BLOCK_INDEX;

  1544.             nza = h->left_cbp&(0x100<<idx);

  1545.             nzb = h-> top_cbp&(0x100<<idx);

  1546.         }

  1547.     } else {

  1548.         nza = h->non_zero_count_cache[scan8[idx] - 1];

  1549.         nzb = h->non_zero_count_cache[scan8[idx] - 8];

  1550.     }

  1551. 

  1552.     if( nza > 0 )

  1553.         ctx++;

  1554. 

  1555.     if( nzb > 0 )

  1556.         ctx += 2;

  1557. 

  1558.     return base_ctx[cat] + ctx;

  1559. }

  1560. 

  1561. DECLARE_ASM_CONST(1, uint8_t, last_coeff_flag_offset_8x8)[63] = {

  1562.     0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,

  1563.     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,

  1564.     3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4,

  1565.     5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8

  1566. };

  1567. 

  1568. static av_always_inline void

  1569. decode_cabac_residual_internal(H264Context *h, DCTELEM *block,

  1570.                                int cat, int n, const uint8_t *scantable,

  1571.                                const uint32_t *qmul, int max_coeff,

  1572.                                int is_dc, int chroma422)

  1573. {

  1574.     static const int significant_coeff_flag_offset[2][14] = {

  1575.       { 105+0, 105+15, 105+29, 105+44, 105+47, 402, 484+0, 484+15, 484+29, 660, 528+0, 528+15, 528+29, 718 },

  1576.       { 277+0, 277+15, 277+29, 277+44, 277+47, 436, 776+0, 776+15, 776+29, 675, 820+0, 820+15, 820+29, 733 }

  1577.     };

  1578.     static const int last_coeff_flag_offset[2][14] = {

  1579.       { 166+0, 166+15, 166+29, 166+44, 166+47, 417, 572+0, 572+15, 572+29, 690, 616+0, 616+15, 616+29, 748 },

  1580.       { 338+0, 338+15, 338+29, 338+44, 338+47, 451, 864+0, 864+15, 864+29, 699, 908+0, 908+15, 908+29, 757 }

  1581.     };

  1582.     static const int coeff_abs_level_m1_offset[14] = {

  1583.         227+0, 227+10, 227+20, 227+30, 227+39, 426, 952+0, 952+10, 952+20, 708, 982+0, 982+10, 982+20, 766

  1584.     };

  1585.     static const uint8_t significant_coeff_flag_offset_8x8[2][63] = {

  1586.       { 0, 1, 2, 3, 4, 5, 5, 4, 4, 3, 3, 4, 4, 4, 5, 5,

  1587.         4, 4, 4, 4, 3, 3, 6, 7, 7, 7, 8, 9,10, 9, 8, 7,

  1588.         7, 6,11,12,13,11, 6, 7, 8, 9,14,10, 9, 8, 6,11,

  1589.        12,13,11, 6, 9,14,10, 9,11,12,13,11,14,10,12 },

  1590.       { 0, 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 7, 7, 8, 4, 5,

  1591.         6, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,11,12,11,

  1592.         9, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,13,13, 9,

  1593.         9,10,10, 8,13,13, 9, 9,10,10,14,14,14,14,14 }

  1594.     };

  1595.     static const uint8_t sig_coeff_offset_dc[7] = { 0, 0, 1, 1, 2, 2, 2 };

  1596.     /* node ctx: 0..3: abslevel1 (with abslevelgt1 == 0).

  1597.      * 4..7: abslevelgt1 + 3 (and abslevel1 doesn't matter).

  1598.      * map node ctx => cabac ctx for level=1 */

  1599.     static const uint8_t coeff_abs_level1_ctx[8] = { 1, 2, 3, 4, 0, 0, 0, 0 };

  1600.     /* map node ctx => cabac ctx for level>1 */

  1601.     static const uint8_t coeff_abs_levelgt1_ctx[2][8] = {

  1602.         { 5, 5, 5, 5, 6, 7, 8, 9 },

  1603.         { 5, 5, 5, 5, 6, 7, 8, 8 }, // 422/dc case

  1604.     };

  1605.     static const uint8_t coeff_abs_level_transition[2][8] = {

  1606.     /* update node ctx after decoding a level=1 */

  1607.         { 1, 2, 3, 3, 4, 5, 6, 7 },

  1608.     /* update node ctx after decoding a level>1 */

  1609.         { 4, 4, 4, 4, 5, 6, 7, 7 }

  1610.     };

  1611. 

  1612.     int index[64];

  1613. 

  1614.     int av_unused last;

  1615.     int coeff_count = 0;

  1616.     int node_ctx = 0;

  1617. 

  1618.     uint8_t *significant_coeff_ctx_base;

  1619.     uint8_t *last_coeff_ctx_base;

  1620.     uint8_t *abs_level_m1_ctx_base;

  1621. 

  1622. #if !ARCH_X86

  1623. #define CABAC_ON_STACK

  1624. #endif

  1625. #ifdef CABAC_ON_STACK

  1626. #define CC &cc

  1627.     CABACContext cc;

  1628.     cc.range     = h->cabac.range;

  1629.     cc.low       = h->cabac.low;

  1630.     cc.bytestream= h->cabac.bytestream;

  1631. #else

  1632. #define CC &h->cabac

  1633. #endif

  1634. 

  1635.     significant_coeff_ctx_base = h->cabac_state

  1636.         + significant_coeff_flag_offset[MB_FIELD][cat];

  1637.     last_coeff_ctx_base = h->cabac_state

  1638.         + last_coeff_flag_offset[MB_FIELD][cat];

  1639.     abs_level_m1_ctx_base = h->cabac_state

  1640.         + coeff_abs_level_m1_offset[cat];

  1641. 

  1642.     if( !is_dc && max_coeff == 64 ) {

  1643. #define DECODE_SIGNIFICANCE( coefs, sig_off, last_off ) \

  1644.         for(last= 0; last < coefs; last++) { \

  1645.             uint8_t *sig_ctx = significant_coeff_ctx_base + sig_off; \

  1646.             if( get_cabac( CC, sig_ctx )) { \

  1647.                 uint8_t *last_ctx = last_coeff_ctx_base + last_off; \

  1648.                 index[coeff_count++] = last; \

  1649.                 if( get_cabac( CC, last_ctx ) ) { \

  1650.                     last= max_coeff; \

  1651.                     break; \

  1652.                 } \

  1653.             } \

  1654.         }\

  1655.         if( last == max_coeff -1 ) {\

  1656.             index[coeff_count++] = last;\

  1657.         }

  1658.         const uint8_t *sig_off = significant_coeff_flag_offset_8x8[MB_FIELD];

  1659. #if ARCH_X86 && HAVE_7REGS && HAVE_EBX_AVAILABLE && !defined(BROKEN_RELOCATIONS)

  1660.         coeff_count= decode_significance_8x8_x86(CC, significant_coeff_ctx_base, index,

  1661.                                                  last_coeff_ctx_base, sig_off);

  1662.     } else {

  1663.         if (is_dc && chroma422) { // dc 422

  1664.             DECODE_SIGNIFICANCE(7, sig_coeff_offset_dc[last], sig_coeff_offset_dc[last]);

  1665.         } else {

  1666.             coeff_count= decode_significance_x86(CC, max_coeff, significant_coeff_ctx_base, index,

  1667.                                                  last_coeff_ctx_base-significant_coeff_ctx_base);

  1668.         }

  1669. #else

  1670.         DECODE_SIGNIFICANCE( 63, sig_off[last], last_coeff_flag_offset_8x8[last] );

  1671.     } else {

  1672.         if (is_dc && chroma422) { // dc 422

  1673.             DECODE_SIGNIFICANCE(7, sig_coeff_offset_dc[last], sig_coeff_offset_dc[last]);

  1674.         } else {

  1675.             DECODE_SIGNIFICANCE(max_coeff - 1, last, last);

  1676.         }

  1677. #endif

  1678.     }

  1679.     assert(coeff_count > 0);

  1680. 

  1681.     if( is_dc ) {

  1682.         if( cat == 3 )

  1683.             h->cbp_table[h->mb_xy] |= 0x40 << (n - CHROMA_DC_BLOCK_INDEX);

  1684.         else

  1685.             h->cbp_table[h->mb_xy] |= 0x100 << (n - LUMA_DC_BLOCK_INDEX);

  1686.         h->non_zero_count_cache[scan8[n]] = coeff_count;

  1687.     } else {

  1688.         if( max_coeff == 64 )

  1689.             fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, coeff_count, 1);

  1690.         else {

  1691.             assert( cat == 1 || cat ==  2 || cat ==  4 || cat == 7 || cat == 8 || cat == 11 || cat == 12 );

  1692.             h->non_zero_count_cache[scan8[n]] = coeff_count;

  1693.         }

  1694.     }

  1695. 

  1696. 

  1697. #define STORE_BLOCK(type) \

  1698.     do { \

  1699.         uint8_t *ctx = coeff_abs_level1_ctx[node_ctx] + abs_level_m1_ctx_base; \

  1700.  \

  1701.         int j= scantable[index[--coeff_count]]; \

  1702.  \

  1703.         if( get_cabac( CC, ctx ) == 0 ) { \

  1704.             node_ctx = coeff_abs_level_transition[0][node_ctx]; \

  1705.             if( is_dc ) { \

  1706.                 ((type*)block)[j] = get_cabac_bypass_sign( CC, -1); \

  1707.             }else{ \

  1708.                 ((type*)block)[j] = (get_cabac_bypass_sign( CC, -qmul[j]) + 32) >> 6; \

  1709.             } \

  1710.         } else { \

  1711.             int coeff_abs = 2; \

  1712.             ctx = coeff_abs_levelgt1_ctx[is_dc && chroma422][node_ctx] + abs_level_m1_ctx_base; \

  1713.             node_ctx = coeff_abs_level_transition[1][node_ctx]; \

  1714. \

  1715.             while( coeff_abs < 15 && get_cabac( CC, ctx ) ) { \

  1716.                 coeff_abs++; \

  1717.             } \

  1718. \

  1719.             if( coeff_abs >= 15 ) { \

  1720.                 int j = 0; \

  1721.                 while( get_cabac_bypass( CC ) ) { \

  1722.                     j++; \

  1723.                 } \

  1724. \

  1725.                 coeff_abs=1; \

  1726.                 while( j-- ) { \

  1727.                     coeff_abs += coeff_abs + get_cabac_bypass( CC ); \

  1728.                 } \

  1729.                 coeff_abs+= 14; \

  1730.             } \

  1731. \

  1732.             if( is_dc ) { \

  1733.                 ((type*)block)[j] = get_cabac_bypass_sign( CC, -coeff_abs ); \

  1734.             }else{ \

  1735.                 ((type*)block)[j] = ((int)(get_cabac_bypass_sign( CC, -coeff_abs ) * qmul[j] + 32)) >> 6; \

  1736.             } \

  1737.         } \

  1738.     } while ( coeff_count );

  1739. 

  1740.         if (h->pixel_shift) {

  1741.             STORE_BLOCK(int32_t)

  1742.         } else {

  1743.             STORE_BLOCK(int16_t)

  1744.         }

  1745. #ifdef CABAC_ON_STACK

  1746.             h->cabac.range     = cc.range     ;

  1747.             h->cabac.low       = cc.low       ;

  1748.             h->cabac.bytestream= cc.bytestream;

  1749. #endif

  1750. 

  1751. }

  1752. 

  1753. static void decode_cabac_residual_dc_internal( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, int max_coeff ) {

  1754.     decode_cabac_residual_internal(h, block, cat, n, scantable, NULL, max_coeff, 1, 0);

  1755. }

  1756. 

  1757. static void decode_cabac_residual_dc_internal_422(H264Context *h, DCTELEM *block,

  1758.                                                   int cat, int n, const uint8_t *scantable,

  1759.                                                   int max_coeff)

  1760. {

  1761.     decode_cabac_residual_internal(h, block, cat, n, scantable, NULL, max_coeff, 1, 1);

  1762. }

  1763. 

  1764. static void decode_cabac_residual_nondc_internal( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff ) {

  1765.     decode_cabac_residual_internal(h, block, cat, n, scantable, qmul, max_coeff, 0, 0);

  1766. }

  1767. 

  1768. /* cat: 0-> DC 16x16  n = 0

  1769.  *      1-> AC 16x16  n = luma4x4idx

  1770.  *      2-> Luma4x4   n = luma4x4idx

  1771.  *      3-> DC Chroma n = iCbCr

  1772.  *      4-> AC Chroma n = 16 + 4 * iCbCr + chroma4x4idx

  1773.  *      5-> Luma8x8   n = 4 * luma8x8idx */

  1774. 

  1775. /* Partially inline the CABAC residual decode: inline the coded block flag.

  1776.  * This has very little impact on binary size and improves performance

  1777.  * because it allows improved constant propagation into get_cabac_cbf_ctx,

  1778.  * as well as because most blocks have zero CBFs. */

  1779. 

  1780. static av_always_inline void decode_cabac_residual_dc( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, int max_coeff ) {

  1781.     /* read coded block flag */

  1782.     if( get_cabac( &h->cabac, &h->cabac_state[get_cabac_cbf_ctx( h, cat, n, max_coeff, 1 ) ] ) == 0 ) {

  1783.         h->non_zero_count_cache[scan8[n]] = 0;

  1784.         return;

  1785.     }

  1786.     decode_cabac_residual_dc_internal( h, block, cat, n, scantable, max_coeff );

  1787. }

  1788. 

  1789. static av_always_inline void

  1790. decode_cabac_residual_dc_422(H264Context *h, DCTELEM *block,

  1791.                              int cat, int n, const uint8_t *scantable,

  1792.                              int max_coeff)

  1793. {

  1794.     /* read coded block flag */

  1795.     if (get_cabac(&h->cabac, &h->cabac_state[get_cabac_cbf_ctx(h, cat, n, max_coeff, 1)]) == 0) {

  1796.         h->non_zero_count_cache[scan8[n]] = 0;

  1797.         return;

  1798.     }

  1799.     decode_cabac_residual_dc_internal_422(h, block, cat, n, scantable, max_coeff);

  1800. }

  1801. 

  1802. static av_always_inline void decode_cabac_residual_nondc( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff ) {

  1803.     /* read coded block flag */

  1804.     if( (cat != 5 || CHROMA444) && get_cabac( &h->cabac, &h->cabac_state[get_cabac_cbf_ctx( h, cat, n, max_coeff, 0 ) ] ) == 0 ) {

  1805.         if( max_coeff == 64 ) {

  1806.             fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, 0, 1);

  1807.         } else {

  1808.             h->non_zero_count_cache[scan8[n]] = 0;

  1809.         }

  1810.         return;

  1811.     }

  1812.     decode_cabac_residual_nondc_internal( h, block, cat, n, scantable, qmul, max_coeff );

  1813. }

  1814. 

  1815. static av_always_inline void decode_cabac_luma_residual( H264Context *h, const uint8_t *scan, const uint8_t *scan8x8, int pixel_shift, int mb_type, int cbp, int p )

  1816. {

  1817.     static const uint8_t ctx_cat[4][3] = {{0,6,10},{1,7,11},{2,8,12},{5,9,13}};

  1818.     const uint32_t *qmul;

  1819.     int i8x8, i4x4;

  1820.     MpegEncContext * const s = &h->s;

  1821.     int qscale = p == 0 ? s->qscale : h->chroma_qp[p-1];

  1822.     if( IS_INTRA16x16( mb_type ) ) {

  1823.         //av_log( s->avctx, AV_LOG_ERROR, "INTRA16x16 DC\n" );

  1824.         AV_ZERO128(h->mb_luma_dc[p]+0);

  1825.         AV_ZERO128(h->mb_luma_dc[p]+8);

  1826.         AV_ZERO128(h->mb_luma_dc[p]+16);

  1827.         AV_ZERO128(h->mb_luma_dc[p]+24);

  1828.         decode_cabac_residual_dc(h, h->mb_luma_dc[p], ctx_cat[0][p], LUMA_DC_BLOCK_INDEX+p, scan, 16);

  1829. 

  1830.         if( cbp&15 ) {

  1831.             qmul = h->dequant4_coeff[p][qscale];

  1832.             for( i4x4 = 0; i4x4 < 16; i4x4++ ) {

  1833.                 const int index = 16*p + i4x4;

  1834.                 //av_log( s->avctx, AV_LOG_ERROR, "INTRA16x16 AC:%d\n", index );

  1835.                 decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[1][p], index, scan + 1, qmul, 15);

  1836.             }

  1837.         } else {

  1838.             fill_rectangle(&h->non_zero_count_cache[scan8[16*p]], 4, 4, 8, 0, 1);

  1839.         }

  1840.     } else {

  1841.         int cqm = (IS_INTRA( mb_type ) ? 0:3) + p;

  1842.         for( i8x8 = 0; i8x8 < 4; i8x8++ ) {

  1843.             if( cbp & (1<<i8x8) ) {

  1844.                 if( IS_8x8DCT(mb_type) ) {

  1845.                     const int index = 16*p + 4*i8x8;

  1846.                     decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[3][p], index,

  1847.                                                 scan8x8, h->dequant8_coeff[cqm][qscale], 64);

  1848.                 } else {

  1849.                     qmul = h->dequant4_coeff[cqm][qscale];

  1850.                     for( i4x4 = 0; i4x4 < 4; i4x4++ ) {

  1851.                         const int index = 16*p + 4*i8x8 + i4x4;

  1852.                         //av_log( s->avctx, AV_LOG_ERROR, "Luma4x4: %d\n", index );

  1853. //START_TIMER

  1854.                         decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), ctx_cat[2][p], index, scan, qmul, 16);

  1855. //STOP_TIMER("decode_residual")

  1856.                     }

  1857.                 }

  1858.             } else {

  1859.                 fill_rectangle(&h->non_zero_count_cache[scan8[4*i8x8+16*p]], 2, 2, 8, 0, 1);

  1860.             }

  1861.         }

  1862.     }

  1863. }

  1864. 

  1865. /**

  1866.  * decodes a macroblock

  1867.  * @return 0 if OK, AC_ERROR / DC_ERROR / MV_ERROR if an error is noticed

  1868.  */

  1869. int ff_h264_decode_mb_cabac(H264Context *h) {

  1870.     MpegEncContext * const s = &h->s;

  1871.     int mb_xy;

  1872.     int mb_type, partition_count, cbp = 0;

  1873.     int dct8x8_allowed= h->pps.transform_8x8_mode;

  1874.     int decode_chroma = h->sps.chroma_format_idc == 1 || h->sps.chroma_format_idc == 2;

  1875.     const int pixel_shift = h->pixel_shift;

  1876. 

  1877.     mb_xy = h->mb_xy = s->mb_x + s->mb_y*s->mb_stride;

  1878. 

  1879.     tprintf(s->avctx, "pic:%d mb:%d/%d\n", h->frame_num, s->mb_x, s->mb_y);

  1880.     if( h->slice_type_nos != AV_PICTURE_TYPE_I ) {

  1881.         int skip;

  1882.         /* a skipped mb needs the aff flag from the following mb */

  1883.         if( FRAME_MBAFF && (s->mb_y&1)==1 && h->prev_mb_skipped )

  1884.             skip = h->next_mb_skipped;

  1885.         else

  1886.             skip = decode_cabac_mb_skip( h, s->mb_x, s->mb_y );

  1887.         /* read skip flags */

  1888.         if( skip ) {

  1889.             if( FRAME_MBAFF && (s->mb_y&1)==0 ){

  1890.                 s->current_picture.f.mb_type[mb_xy] = MB_TYPE_SKIP;

  1891.                 h->next_mb_skipped = decode_cabac_mb_skip( h, s->mb_x, s->mb_y+1 );

  1892.                 if(!h->next_mb_skipped)

  1893.                     h->mb_mbaff = h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);

  1894.             }

  1895. 

  1896.             decode_mb_skip(h);

  1897. 

  1898.             h->cbp_table[mb_xy] = 0;

  1899.             h->chroma_pred_mode_table[mb_xy] = 0;

  1900.             h->last_qscale_diff = 0;

  1901. 

  1902.             return 0;

  1903. 

  1904.         }

  1905.     }

  1906.     if(FRAME_MBAFF){

  1907.         if( (s->mb_y&1) == 0 )

  1908.             h->mb_mbaff =

  1909.             h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);

  1910.     }

  1911. 

  1912.     h->prev_mb_skipped = 0;

  1913. 

  1914.     fill_decode_neighbors(h, -(MB_FIELD));

  1915. 

  1916.     if( h->slice_type_nos == AV_PICTURE_TYPE_B ) {

  1917.         int ctx = 0;

  1918.         assert(h->slice_type_nos == AV_PICTURE_TYPE_B);

  1919. 

  1920.         if( !IS_DIRECT( h->left_type[LTOP]-1 ) )

  1921.             ctx++;

  1922.         if( !IS_DIRECT( h->top_type-1 ) )

  1923.             ctx++;

  1924. 

  1925.         if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+ctx] ) ){

  1926.             mb_type= 0; /* B_Direct_16x16 */

  1927.         }else if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+3] ) ) {

  1928.             mb_type= 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ); /* B_L[01]_16x16 */

  1929.         }else{

  1930.             int bits;

  1931.             bits = get_cabac_noinline( &h->cabac, &h->cabac_state[27+4] ) << 3;

  1932.             bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 2;

  1933.             bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 1;

  1934.             bits+= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );

  1935.             if( bits < 8 ){

  1936.                 mb_type= bits + 3; /* B_Bi_16x16 through B_L1_L0_16x8 */

  1937.             }else if( bits == 13 ){

  1938.                 mb_type= decode_cabac_intra_mb_type(h, 32, 0);

  1939.                 goto decode_intra_mb;

  1940.             }else if( bits == 14 ){

  1941.                 mb_type= 11; /* B_L1_L0_8x16 */

  1942.             }else if( bits == 15 ){

  1943.                 mb_type= 22; /* B_8x8 */

  1944.             }else{

  1945.                 bits= ( bits<<1 ) + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );

  1946.                 mb_type= bits - 4; /* B_L0_Bi_* through B_Bi_Bi_* */

  1947.             }

  1948.         }

  1949.             partition_count= b_mb_type_info[mb_type].partition_count;

  1950.             mb_type=         b_mb_type_info[mb_type].type;

  1951.     } else if( h->slice_type_nos == AV_PICTURE_TYPE_P ) {

  1952.         if( get_cabac_noinline( &h->cabac, &h->cabac_state[14] ) == 0 ) {

  1953.             /* P-type */

  1954.             if( get_cabac_noinline( &h->cabac, &h->cabac_state[15] ) == 0 ) {

  1955.                 /* P_L0_D16x16, P_8x8 */

  1956.                 mb_type= 3 * get_cabac_noinline( &h->cabac, &h->cabac_state[16] );

  1957.             } else {

  1958.                 /* P_L0_D8x16, P_L0_D16x8 */

  1959.                 mb_type= 2 - get_cabac_noinline( &h->cabac, &h->cabac_state[17] );

  1960.             }

  1961.             partition_count= p_mb_type_info[mb_type].partition_count;

  1962.             mb_type=         p_mb_type_info[mb_type].type;

  1963.         } else {

  1964.             mb_type= decode_cabac_intra_mb_type(h, 17, 0);

  1965.             goto decode_intra_mb;

  1966.         }

  1967.     } else {

  1968.         mb_type= decode_cabac_intra_mb_type(h, 3, 1);

  1969.         if(h->slice_type == AV_PICTURE_TYPE_SI && mb_type)

  1970.             mb_type--;

  1971.         assert(h->slice_type_nos == AV_PICTURE_TYPE_I);

  1972. decode_intra_mb:

  1973.         partition_count = 0;

  1974.         cbp= i_mb_type_info[mb_type].cbp;

  1975.         h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode;

  1976.         mb_type= i_mb_type_info[mb_type].type;

  1977.     }

  1978.     if(MB_FIELD)

  1979.         mb_type |= MB_TYPE_INTERLACED;

  1980. 

  1981.     h->slice_table[ mb_xy ]= h->slice_num;

  1982. 

  1983.     if(IS_INTRA_PCM(mb_type)) {

  1984.         static const uint16_t mb_sizes[4] = {256,384,512,768};

  1985.         const int mb_size = mb_sizes[h->sps.chroma_format_idc]*h->sps.bit_depth_luma >> 3;

  1986.         const uint8_t *ptr;

  1987. 

  1988.         // We assume these blocks are very rare so we do not optimize it.

  1989.         // FIXME The two following lines get the bitstream position in the cabac

  1990.         // decode, I think it should be done by a function in cabac.h (or cabac.c).

  1991.         ptr= h->cabac.bytestream;

  1992.         if(h->cabac.low&0x1) ptr--;

  1993.         if(CABAC_BITS==16){

  1994.             if(h->cabac.low&0x1FF) ptr--;

  1995.         }

  1996. 

  1997.         // The pixels are stored in the same order as levels in h->mb array.

  1998.         memcpy(h->mb, ptr, mb_size); ptr+=mb_size;

  1999. 

  2000.         ff_init_cabac_decoder(&h->cabac, ptr, h->cabac.bytestream_end - ptr);

  2001. 

  2002.         // All blocks are present

  2003.         h->cbp_table[mb_xy] = 0xf7ef;

  2004.         h->chroma_pred_mode_table[mb_xy] = 0;

  2005.         // In deblocking, the quantizer is 0

  2006.         s->current_picture.f.qscale_table[mb_xy] = 0;

  2007.         // All coeffs are present

  2008.         memset(h->non_zero_count[mb_xy], 16, 48);

  2009.         s->current_picture.f.mb_type[mb_xy] = mb_type;

  2010.         h->last_qscale_diff = 0;

  2011.         return 0;

  2012.     }

  2013. 

  2014.     if(MB_MBAFF){

  2015.         h->ref_count[0] <<= 1;

  2016.         h->ref_count[1] <<= 1;

  2017.     }

  2018. 

  2019.     fill_decode_caches(h, mb_type);

  2020. 

  2021.     if( IS_INTRA( mb_type ) ) {

  2022.         int i, pred_mode;

  2023.         if( IS_INTRA4x4( mb_type ) ) {

  2024.             if( dct8x8_allowed && get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] ) ) {

  2025.                 mb_type |= MB_TYPE_8x8DCT;

  2026.                 for( i = 0; i < 16; i+=4 ) {

  2027.                     int pred = pred_intra_mode( h, i );

  2028.                     int mode = decode_cabac_mb_intra4x4_pred_mode( h, pred );

  2029.                     fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 );

  2030.                 }

  2031.             } else {

  2032.                 for( i = 0; i < 16; i++ ) {

  2033.                     int pred = pred_intra_mode( h, i );

  2034.                     h->intra4x4_pred_mode_cache[ scan8[i] ] = decode_cabac_mb_intra4x4_pred_mode( h, pred );

  2035. 

  2036.                 //av_log( s->avctx, AV_LOG_ERROR, "i4x4 pred=%d mode=%d\n", pred, h->intra4x4_pred_mode_cache[ scan8[i] ] );

  2037.                 }

  2038.             }

  2039.             write_back_intra_pred_mode(h);

  2040.             if( ff_h264_check_intra4x4_pred_mode(h) < 0 ) return -1;

  2041.         } else {

  2042.             h->intra16x16_pred_mode= ff_h264_check_intra16x16_pred_mode( h, h->intra16x16_pred_mode );

  2043.             if( h->intra16x16_pred_mode < 0 ) return -1;

  2044.         }

  2045.         if(decode_chroma){

  2046.             h->chroma_pred_mode_table[mb_xy] =

  2047.             pred_mode                        = decode_cabac_mb_chroma_pre_mode( h );

  2048. 

  2049.             pred_mode= ff_h264_check_intra_chroma_pred_mode( h, pred_mode );

  2050.             if( pred_mode < 0 ) return -1;

  2051.             h->chroma_pred_mode= pred_mode;

  2052.         } else {

  2053.             h->chroma_pred_mode= DC_128_PRED8x8;

  2054.         }

  2055.     } else if( partition_count == 4 ) {

  2056.         int i, j, sub_partition_count[4], list, ref[2][4];

  2057. 

  2058.         if( h->slice_type_nos == AV_PICTURE_TYPE_B ) {

  2059.             for( i = 0; i < 4; i++ ) {

  2060.                 h->sub_mb_type[i] = decode_cabac_b_mb_sub_type( h );

  2061.                 sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;

  2062.                 h->sub_mb_type[i]=      b_sub_mb_type_info[ h->sub_mb_type[i] ].type;

  2063.             }

  2064.             if( IS_DIRECT(h->sub_mb_type[0] | h->sub_mb_type[1] |

  2065.                           h->sub_mb_type[2] | h->sub_mb_type[3]) ) {

  2066.                 ff_h264_pred_direct_motion(h, &mb_type);

  2067.                 h->ref_cache[0][scan8[4]] =

  2068.                 h->ref_cache[1][scan8[4]] =

  2069.                 h->ref_cache[0][scan8[12]] =

  2070.                 h->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE;

  2071.                     for( i = 0; i < 4; i++ )

  2072.                         fill_rectangle( &h->direct_cache[scan8[4*i]], 2, 2, 8, (h->sub_mb_type[i]>>1)&0xFF, 1 );

  2073.             }

  2074.         } else {

  2075.             for( i = 0; i < 4; i++ ) {

  2076.                 h->sub_mb_type[i] = decode_cabac_p_mb_sub_type( h );

  2077.                 sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;

  2078.                 h->sub_mb_type[i]=      p_sub_mb_type_info[ h->sub_mb_type[i] ].type;

  2079.             }

  2080.         }

  2081. 

  2082.         for( list = 0; list < h->list_count; list++ ) {

  2083.                 for( i = 0; i < 4; i++ ) {

  2084.                     if(IS_DIRECT(h->sub_mb_type[i])) continue;

  2085.                     if(IS_DIR(h->sub_mb_type[i], 0, list)){

  2086.                         if( h->ref_count[list] > 1 ){

  2087.                             ref[list][i] = decode_cabac_mb_ref( h, list, 4*i );

  2088.                             if(ref[list][i] >= (unsigned)h->ref_count[list]){

  2089.                                 av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref[list][i], h->ref_count[list]);

  2090.                                 return -1;

  2091.                             }

  2092.                         }else

  2093.                             ref[list][i] = 0;

  2094.                     } else {

  2095.                         ref[list][i] = -1;

  2096.                     }

  2097.                                                        h->ref_cache[list][ scan8[4*i]+1 ]=

  2098.                     h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i];

  2099.                 }

  2100.         }

  2101. 

  2102.         if(dct8x8_allowed)

  2103.             dct8x8_allowed = get_dct8x8_allowed(h);

  2104. 

  2105.         for(list=0; list<h->list_count; list++){

  2106.             for(i=0; i<4; i++){

  2107.                 h->ref_cache[list][ scan8[4*i]   ]=h->ref_cache[list][ scan8[4*i]+1 ];

  2108.                 if(IS_DIRECT(h->sub_mb_type[i])){

  2109.                     fill_rectangle(h->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 2);

  2110.                     continue;

  2111.                 }

  2112. 

  2113.                 if(IS_DIR(h->sub_mb_type[i], 0, list) && !IS_DIRECT(h->sub_mb_type[i])){

  2114.                     const int sub_mb_type= h->sub_mb_type[i];

  2115.                     const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;

  2116.                     for(j=0; j<sub_partition_count[i]; j++){

  2117.                         int mpx, mpy;

  2118.                         int mx, my;

  2119.                         const int index= 4*i + block_width*j;

  2120.                         int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ];

  2121.                         uint8_t (* mvd_cache)[2]= &h->mvd_cache[list][ scan8[index] ];

  2122.                         pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mx, &my);

  2123.                         DECODE_CABAC_MB_MVD( h, list, index)

  2124.                         tprintf(s->avctx, "final mv:%d %d\n", mx, my);

  2125. 

  2126.                         if(IS_SUB_8X8(sub_mb_type)){

  2127.                             mv_cache[ 1 ][0]=

  2128.                             mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;

  2129.                             mv_cache[ 1 ][1]=

  2130.                             mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;

  2131. 

  2132.                             mvd_cache[ 1 ][0]=

  2133.                             mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mpx;

  2134.                             mvd_cache[ 1 ][1]=

  2135.                             mvd_cache[ 8 ][1]= mvd_cache[ 9 ][1]= mpy;

  2136.                         }else if(IS_SUB_8X4(sub_mb_type)){

  2137.                             mv_cache[ 1 ][0]= mx;

  2138.                             mv_cache[ 1 ][1]= my;

  2139. 

  2140.                             mvd_cache[ 1 ][0]=  mpx;

  2141.                             mvd_cache[ 1 ][1]= mpy;

  2142.                         }else if(IS_SUB_4X8(sub_mb_type)){

  2143.                             mv_cache[ 8 ][0]= mx;

  2144.                             mv_cache[ 8 ][1]= my;

  2145. 

  2146.                             mvd_cache[ 8 ][0]= mpx;

  2147.                             mvd_cache[ 8 ][1]= mpy;

  2148.                         }

  2149.                         mv_cache[ 0 ][0]= mx;

  2150.                         mv_cache[ 0 ][1]= my;

  2151. 

  2152.                         mvd_cache[ 0 ][0]= mpx;

  2153.                         mvd_cache[ 0 ][1]= mpy;

  2154.                     }

  2155.                 }else{

  2156.                     fill_rectangle(h->mv_cache [list][ scan8[4*i] ], 2, 2, 8, 0, 4);

  2157.                     fill_rectangle(h->mvd_cache[list][ scan8[4*i] ], 2, 2, 8, 0, 2);

  2158.                 }

  2159.             }

  2160.         }

  2161.     } else if( IS_DIRECT(mb_type) ) {

  2162.         ff_h264_pred_direct_motion(h, &mb_type);

  2163.         fill_rectangle(h->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 2);

  2164.         fill_rectangle(h->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 2);

  2165.         dct8x8_allowed &= h->sps.direct_8x8_inference_flag;

  2166.     } else {

  2167.         int list, i;

  2168.         if(IS_16X16(mb_type)){

  2169.             for(list=0; list<h->list_count; list++){

  2170.                 if(IS_DIR(mb_type, 0, list)){

  2171.                     int ref;

  2172.                     if(h->ref_count[list] > 1){

  2173.                         ref= decode_cabac_mb_ref(h, list, 0);

  2174.                         if(ref >= (unsigned)h->ref_count[list]){

  2175.                             av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, h->ref_count[list]);

  2176.                             return -1;

  2177.                         }

  2178.                     }else

  2179.                         ref=0;

  2180.                         fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, ref, 1);

  2181.                 }

  2182.             }

  2183.             for(list=0; list<h->list_count; list++){

  2184.                 if(IS_DIR(mb_type, 0, list)){

  2185.                     int mx,my,mpx,mpy;

  2186.                     pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mx, &my);

  2187.                     DECODE_CABAC_MB_MVD( h, list, 0)

  2188.                     tprintf(s->avctx, "final mv:%d %d\n", mx, my);

  2189. 

  2190.                     fill_rectangle(h->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack8to16(mpx,mpy), 2);

  2191.                     fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);

  2192.                 }

  2193.             }

  2194.         }

  2195.         else if(IS_16X8(mb_type)){

  2196.             for(list=0; list<h->list_count; list++){

  2197.                     for(i=0; i<2; i++){

  2198.                         if(IS_DIR(mb_type, i, list)){

  2199.                             int ref;

  2200.                             if(h->ref_count[list] > 1){

  2201.                                 ref= decode_cabac_mb_ref( h, list, 8*i );

  2202.                                 if(ref >= (unsigned)h->ref_count[list]){

  2203.                                     av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, h->ref_count[list]);

  2204.                                     return -1;

  2205.                                 }

  2206.                             }else

  2207.                                 ref=0;

  2208.                             fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, ref, 1);

  2209.                         }else

  2210.                             fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1);

  2211.                     }

  2212.             }

  2213.             for(list=0; list<h->list_count; list++){

  2214.                 for(i=0; i<2; i++){

  2215.                     if(IS_DIR(mb_type, i, list)){

  2216.                         int mx,my,mpx,mpy;

  2217.                         pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mx, &my);

  2218.                         DECODE_CABAC_MB_MVD( h, list, 8*i)

  2219.                         tprintf(s->avctx, "final mv:%d %d\n", mx, my);

  2220. 

  2221.                         fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack8to16(mpx,mpy), 2);

  2222.                         fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);

  2223.                     }else{

  2224.                         fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 2);

  2225.                         fill_rectangle(h-> mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);

  2226.                     }

  2227.                 }

  2228.             }

  2229.         }else{

  2230.             assert(IS_8X16(mb_type));

  2231.             for(list=0; list<h->list_count; list++){

  2232.                     for(i=0; i<2; i++){

  2233.                         if(IS_DIR(mb_type, i, list)){ //FIXME optimize

  2234.                             int ref;

  2235.                             if(h->ref_count[list] > 1){

  2236.                                 ref= decode_cabac_mb_ref( h, list, 4*i );

  2237.                                 if(ref >= (unsigned)h->ref_count[list]){

  2238.                                     av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, h->ref_count[list]);

  2239.                                     return -1;

  2240.                                 }

  2241.                             }else

  2242.                                 ref=0;

  2243.                             fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, ref, 1);

  2244.                         }else

  2245.                             fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1);

  2246.                     }

  2247.             }

  2248.             for(list=0; list<h->list_count; list++){

  2249.                 for(i=0; i<2; i++){

  2250.                     if(IS_DIR(mb_type, i, list)){

  2251.                         int mx,my,mpx,mpy;

  2252.                         pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mx, &my);

  2253.                         DECODE_CABAC_MB_MVD( h, list, 4*i)

  2254. 

  2255.                         tprintf(s->avctx, "final mv:%d %d\n", mx, my);

  2256.                         fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack8to16(mpx,mpy), 2);

  2257.                         fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);

  2258.                     }else{

  2259.                         fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 2);

  2260.                         fill_rectangle(h-> mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);

  2261.                     }

  2262.                 }

  2263.             }

  2264.         }

  2265.     }

  2266. 

  2267.    if( IS_INTER( mb_type ) ) {

  2268.         h->chroma_pred_mode_table[mb_xy] = 0;

  2269.         write_back_motion( h, mb_type );

  2270.    }

  2271. 

  2272.     if( !IS_INTRA16x16( mb_type ) ) {

  2273.         cbp  = decode_cabac_mb_cbp_luma( h );

  2274.         if(decode_chroma)

  2275.             cbp |= decode_cabac_mb_cbp_chroma( h ) << 4;

  2276.     }

  2277. 

  2278.     h->cbp_table[mb_xy] = h->cbp = cbp;

  2279. 

  2280.     if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) {

  2281.         mb_type |= MB_TYPE_8x8DCT * get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] );

  2282.     }

  2283. 

  2284.     /* It would be better to do this in fill_decode_caches, but we don't know

  2285.      * the transform mode of the current macroblock there. */

  2286.     if (CHROMA444 && IS_8x8DCT(mb_type)){

  2287.         int i;

  2288.         uint8_t *nnz_cache = h->non_zero_count_cache;

  2289.         for (i = 0; i < 2; i++){

  2290.             if (h->left_type[LEFT(i)] && !IS_8x8DCT(h->left_type[LEFT(i)])){

  2291.                 nnz_cache[3+8* 1 + 2*8*i]=

  2292.                 nnz_cache[3+8* 2 + 2*8*i]=

  2293.                 nnz_cache[3+8* 6 + 2*8*i]=

  2294.                 nnz_cache[3+8* 7 + 2*8*i]=

  2295.                 nnz_cache[3+8*11 + 2*8*i]=

  2296.                 nnz_cache[3+8*12 + 2*8*i]= IS_INTRA(mb_type) ? 64 : 0;

  2297.             }

  2298.         }

  2299.         if (h->top_type && !IS_8x8DCT(h->top_type)){

  2300.             uint32_t top_empty = CABAC && !IS_INTRA(mb_type) ? 0 : 0x40404040;

  2301.             AV_WN32A(&nnz_cache[4+8* 0], top_empty);

  2302.             AV_WN32A(&nnz_cache[4+8* 5], top_empty);

  2303.             AV_WN32A(&nnz_cache[4+8*10], top_empty);

  2304.         }

  2305.     }

  2306.     s->current_picture.f.mb_type[mb_xy] = mb_type;

  2307. 

  2308.     if( cbp || IS_INTRA16x16( mb_type ) ) {

  2309.         const uint8_t *scan, *scan8x8;

  2310.         const uint32_t *qmul;

  2311. 

  2312.         if(IS_INTERLACED(mb_type)){

  2313.             scan8x8= s->qscale ? h->field_scan8x8 : h->field_scan8x8_q0;

  2314.             scan= s->qscale ? h->field_scan : h->field_scan_q0;

  2315.         }else{

  2316.             scan8x8= s->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0;

  2317.             scan= s->qscale ? h->zigzag_scan : h->zigzag_scan_q0;

  2318.         }

  2319. 

  2320.         // decode_cabac_mb_dqp

  2321.         if(get_cabac_noinline( &h->cabac, &h->cabac_state[60 + (h->last_qscale_diff != 0)])){

  2322.             int val = 1;

  2323.             int ctx= 2;

  2324.             const int max_qp = 51 + 6*(h->sps.bit_depth_luma-8);

  2325. 

  2326.             while( get_cabac_noinline( &h->cabac, &h->cabac_state[60 + ctx] ) ) {

  2327.                 ctx= 3;

  2328.                 val++;

  2329.                 if(val > 2*max_qp){ //prevent infinite loop

  2330.                     av_log(h->s.avctx, AV_LOG_ERROR, "cabac decode of qscale diff failed at %d %d\n", s->mb_x, s->mb_y);

  2331.                     return -1;

  2332.                 }

  2333.             }

  2334. 

  2335.             if( val&0x01 )

  2336.                 val=   (val + 1)>>1 ;

  2337.             else

  2338.                 val= -((val + 1)>>1);

  2339.             h->last_qscale_diff = val;

  2340.             s->qscale += val;

  2341.             if(((unsigned)s->qscale) > max_qp){

  2342.                 if(s->qscale<0) s->qscale+= max_qp+1;

  2343.                 else            s->qscale-= max_qp+1;

  2344.             }

  2345.             h->chroma_qp[0] = get_chroma_qp(h, 0, s->qscale);

  2346.             h->chroma_qp[1] = get_chroma_qp(h, 1, s->qscale);

  2347.         }else

  2348.             h->last_qscale_diff=0;

  2349. 

  2350.         decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 0);

  2351.         if(CHROMA444){

  2352.             decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 1);

  2353.             decode_cabac_luma_residual(h, scan, scan8x8, pixel_shift, mb_type, cbp, 2);

  2354.         } else if (CHROMA422) {

  2355.             if( cbp&0x30 ){

  2356.                 int c;

  2357.                 for( c = 0; c < 2; c++ ) {

  2358.                     //av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-DC\n",c );

  2359.                     decode_cabac_residual_dc_422(h, h->mb + ((256 + 16*16*c) << pixel_shift), 3,

  2360.                                                  CHROMA_DC_BLOCK_INDEX + c,

  2361.                                                  chroma422_dc_scan, 8);

  2362.                 }

  2363.             }

  2364. 

  2365.             if( cbp&0x20 ) {

  2366.                 int c, i, i8x8;

  2367.                 for( c = 0; c < 2; c++ ) {

  2368.                     DCTELEM *mb = h->mb + (16*(16 + 16*c) << pixel_shift);

  2369.                     qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]];

  2370.                     for (i8x8 = 0; i8x8 < 2; i8x8++) {

  2371.                         for (i = 0; i < 4; i++) {

  2372.                             const int index = 16 + 16 * c + 8*i8x8 + i;

  2373.                             //av_log(s->avctx, AV_LOG_ERROR, "INTRA C%d-AC %d\n",c, index - 16);

  2374.                             decode_cabac_residual_nondc(h, mb, 4, index, scan + 1, qmul, 15);

  2375.                             mb += 16<<pixel_shift;

  2376.                         }

  2377.                     }

  2378.                 }

  2379.             } else {

  2380.                 fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);

  2381.                 fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);

  2382.             }

  2383.         } else /* yuv420 */ {

  2384.             if( cbp&0x30 ){

  2385.                 int c;

  2386.                 for( c = 0; c < 2; c++ ) {

  2387.                     //av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-DC\n",c );

  2388.                     decode_cabac_residual_dc(h, h->mb + ((256 + 16*16*c) << pixel_shift), 3, CHROMA_DC_BLOCK_INDEX+c, chroma_dc_scan, 4);

  2389.                 }

  2390.             }

  2391. 

  2392.             if( cbp&0x20 ) {

  2393.                 int c, i;

  2394.                 for( c = 0; c < 2; c++ ) {

  2395.                     qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]];

  2396.                     for( i = 0; i < 4; i++ ) {

  2397.                         const int index = 16 + 16 * c + i;

  2398.                         //av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-AC %d\n",c, index - 16 );

  2399.                         decode_cabac_residual_nondc(h, h->mb + (16*index << pixel_shift), 4, index, scan + 1, qmul, 15);

  2400.                     }

  2401.                 }

  2402.             } else {

  2403.                 fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);

  2404.                 fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);

  2405.             }

  2406.         }

  2407.     } else {

  2408.         fill_rectangle(&h->non_zero_count_cache[scan8[ 0]], 4, 4, 8, 0, 1);

  2409.         fill_rectangle(&h->non_zero_count_cache[scan8[16]], 4, 4, 8, 0, 1);

  2410.         fill_rectangle(&h->non_zero_count_cache[scan8[32]], 4, 4, 8, 0, 1);

  2411.         h->last_qscale_diff = 0;

  2412.     }

  2413. 

  2414.     s->current_picture.f.qscale_table[mb_xy] = s->qscale;

  2415.     write_back_non_zero_count(h);

  2416. 

  2417.     if(MB_MBAFF){

  2418.         h->ref_count[0] >>= 1;

  2419.         h->ref_count[1] >>= 1;

  2420.     }

  2421. 

  2422.     return 0;

  2423. }