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FFmpeg/libavcodec/cavsdata.h

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  1. /*

  2.  * Chinese AVS video (AVS1-P2, JiZhun profile) decoder.

  3.  * Copyright (c) 2006  Stefan Gehrer <stefan.gehrer@gmx.de>

  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. #ifndef AVCODEC_CAVSDATA_H

  23. #define AVCODEC_CAVSDATA_H

  24. 

  25. #include "cavs.h"

  26. 

  27. static const uint8_t partition_flags[30] = {

  28.   0,                                 //I_8X8

  29.   0,                                 //P_SKIP

  30.   0,                                 //P_16X16

  31.                       SPLITH,        //P_16X8

  32.                              SPLITV, //P_8X16

  33.                       SPLITH|SPLITV, //P_8X8

  34.                       SPLITH|SPLITV, //B_SKIP

  35.                       SPLITH|SPLITV, //B_DIRECT

  36.   0,                                 //B_FWD_16X16

  37.   0,                                 //B_BWD_16X16

  38.   0,                                 //B_SYM_16X16

  39.   FWD0|FWD1          |SPLITH,

  40.   FWD0|FWD1                 |SPLITV,

  41.   BWD0|BWD1          |SPLITH,

  42.   BWD0|BWD1                 |SPLITV,

  43.   FWD0|BWD1          |SPLITH,

  44.   FWD0|BWD1                 |SPLITV,

  45.   BWD0|FWD1          |SPLITH,

  46.   BWD0|FWD1                 |SPLITV,

  47.   FWD0|FWD1     |SYM1|SPLITH,

  48.   FWD0|FWD1     |SYM1       |SPLITV,

  49.   BWD0|FWD1     |SYM1|SPLITH,

  50.   BWD0|FWD1     |SYM1       |SPLITV,

  51.   FWD0|FWD1|SYM0     |SPLITH,

  52.   FWD0|FWD1|SYM0            |SPLITV,

  53.   FWD0|BWD1|SYM0     |SPLITH,

  54.   FWD0|BWD1|SYM0            |SPLITV,

  55.   FWD0|FWD1|SYM0|SYM1|SPLITH,

  56.   FWD0|FWD1|SYM0|SYM1       |SPLITV,

  57.                       SPLITH|SPLITV, //B_8X8 = 29

  58. };

  59. 

  60. static const uint8_t scan3x3[4] = {4,5,7,8};

  61. 

  62. static const uint8_t mv_scan[4] = {

  63.     MV_FWD_X0,MV_FWD_X1,

  64.     MV_FWD_X2,MV_FWD_X3

  65. };

  66. 

  67. static const uint8_t cbp_tab[64][2] = {

  68.   {63, 0},{15,15},{31,63},{47,31},{ 0,16},{14,32},{13,47},{11,13},

  69.   { 7,14},{ 5,11},{10,12},{ 8, 5},{12,10},{61, 7},{ 4,48},{55, 3},

  70.   { 1, 2},{ 2, 8},{59, 4},{ 3, 1},{62,61},{ 9,55},{ 6,59},{29,62},

  71.   {45,29},{51,27},{23,23},{39,19},{27,30},{46,28},{53, 9},{30, 6},

  72.   {43,60},{37,21},{60,44},{16,26},{21,51},{28,35},{19,18},{35,20},

  73.   {42,24},{26,53},{44,17},{32,37},{58,39},{24,45},{20,58},{17,43},

  74.   {18,42},{48,46},{22,36},{33,33},{25,34},{49,40},{40,52},{36,49},

  75.   {34,50},{50,56},{52,25},{54,22},{41,54},{56,57},{38,41},{57,38}

  76. };

  77. 

  78. static const uint8_t chroma_qp[64] = {

  79.   0,  1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,

  80.   16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,

  81.   32,33,34,35,36,37,38,39,40,41,42,42,43,43,44,44,

  82.   45,45,46,46,47,47,48,48,48,49,49,49,50,50,50,51

  83. };

  84. 

  85. static const uint8_t dequant_shift[64] = {

  86.   14,14,14,14,14,14,14,14,

  87.   13,13,13,13,13,13,13,13,

  88.   13,12,12,12,12,12,12,12,

  89.   11,11,11,11,11,11,11,11,

  90.   11,10,10,10,10,10,10,10,

  91.   10, 9, 9, 9, 9, 9, 9, 9,

  92.   9, 8, 8, 8, 8, 8, 8, 8,

  93.   7, 7, 7, 7, 7, 7, 7, 7

  94. };

  95. 

  96. static const uint16_t dequant_mul[64] = {

  97.   32768,36061,38968,42495,46341,50535,55437,60424,

  98.   32932,35734,38968,42495,46177,50535,55109,59933,

  99.   65535,35734,38968,42577,46341,50617,55027,60097,

  100.   32809,35734,38968,42454,46382,50576,55109,60056,

  101.   65535,35734,38968,42495,46320,50515,55109,60076,

  102.   65535,35744,38968,42495,46341,50535,55099,60087,

  103.   65535,35734,38973,42500,46341,50535,55109,60097,

  104.   32771,35734,38965,42497,46341,50535,55109,60099

  105. };

  106. 

  107. /** marks block as unavailable, i.e. out of picture

  108.     or not yet decoded */

  109. static const vector_t un_mv    = {0,0,1,NOT_AVAIL};

  110. 

  111. /** marks block as "no prediction from this direction"

  112.     e.g. forward motion vector in BWD partition */

  113. static const vector_t dir_mv   = {0,0,1,REF_DIR};

  114. 

  115. /** marks block as using intra prediction */

  116. static const vector_t intra_mv = {0,0,1,REF_INTRA};

  117. 

  118. #define EOB 0,0,0

  119. 

  120. static const residual_vlc_t intra_2dvlc[7] = {

  121.   {

  122.     { //level / run / table_inc

  123.       {  1, 1, 1},{ -1, 1, 1},{  1, 2, 1},{ -1, 2, 1},{  1, 3, 1},{ -1, 3, 1},

  124.       {  1, 4, 1},{ -1, 4, 1},{  1, 5, 1},{ -1, 5, 1},{  1, 6, 1},{ -1, 6, 1},

  125.       {  1, 7, 1},{ -1, 7, 1},{  1, 8, 1},{ -1, 8, 1},{  1, 9, 1},{ -1, 9, 1},

  126.       {  1,10, 1},{ -1,10, 1},{  1,11, 1},{ -1,11, 1},{  2, 1, 2},{ -2, 1, 2},

  127.       {  1,12, 1},{ -1,12, 1},{  1,13, 1},{ -1,13, 1},{  1,14, 1},{ -1,14, 1},

  128.       {  1,15, 1},{ -1,15, 1},{  2, 2, 2},{ -2, 2, 2},{  1,16, 1},{ -1,16, 1},

  129.       {  1,17, 1},{ -1,17, 1},{  3, 1, 3},{ -3, 1, 3},{  1,18, 1},{ -1,18, 1},

  130.       {  1,19, 1},{ -1,19, 1},{  2, 3, 2},{ -2, 3, 2},{  1,20, 1},{ -1,20, 1},

  131.       {  1,21, 1},{ -1,21, 1},{  2, 4, 2},{ -2, 4, 2},{  1,22, 1},{ -1,22, 1},

  132.       {  2, 5, 2},{ -2, 5, 2},{  1,23, 1},{ -1,23, 1},{   EOB   }

  133.     },

  134.     //level_add

  135.     { 0, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,

  136.       2, 2, 2, 2, 2, 2, 2,-1,-1,-1},

  137.     2, //golomb_order

  138.     0, //inc_limit

  139.     23, //max_run

  140.   },{

  141.     { //level / run

  142.       {  1, 1, 0},{ -1, 1, 0},{  1, 2, 0},{ -1, 2, 0},{  2, 1, 1},{ -2, 1, 1},

  143.       {  1, 3, 0},{ -1, 3, 0},{   EOB   },{  1, 4, 0},{ -1, 4, 0},{  1, 5, 0},

  144.       { -1, 5, 0},{  1, 6, 0},{ -1, 6, 0},{  3, 1, 2},{ -3, 1, 2},{  2, 2, 1},

  145.       { -2, 2, 1},{  1, 7, 0},{ -1, 7, 0},{  1, 8, 0},{ -1, 8, 0},{  1, 9, 0},

  146.       { -1, 9, 0},{  2, 3, 1},{ -2, 3, 1},{  4, 1, 2},{ -4, 1, 2},{  1,10, 0},

  147.       { -1,10, 0},{  1,11, 0},{ -1,11, 0},{  2, 4, 1},{ -2, 4, 1},{  3, 2, 2},

  148.       { -3, 2, 2},{  1,12, 0},{ -1,12, 0},{  2, 5, 1},{ -2, 5, 1},{  5, 1, 3},

  149.       { -5, 1, 3},{  1,13, 0},{ -1,13, 0},{  2, 6, 1},{ -2, 6, 1},{  1,14, 0},

  150.       { -1,14, 0},{  2, 7, 1},{ -2, 7, 1},{  2, 8, 1},{ -2, 8, 1},{  3, 3, 2},

  151.       { -3, 3, 2},{  6, 1, 3},{ -6, 1, 3},{  1,15, 0},{ -1,15, 0}

  152.     },

  153.     //level_add

  154.     { 0, 7, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2,-1,

  155.       -1,-1,-1,-1,-1,-1,-1,-1,-1,-1},

  156.     2, //golomb_order

  157.     1, //inc_limit

  158.     15, //max_run

  159.   },{

  160.     { //level / run

  161.       {  1, 1, 0},{ -1, 1, 0},{  2, 1, 0},{ -2, 1, 0},{  1, 2, 0},{ -1, 2, 0},

  162.       {  3, 1, 1},{ -3, 1, 1},{   EOB   },{  1, 3, 0},{ -1, 3, 0},{  2, 2, 0},

  163.       { -2, 2, 0},{  4, 1, 1},{ -4, 1, 1},{  1, 4, 0},{ -1, 4, 0},{  5, 1, 2},

  164.       { -5, 1, 2},{  1, 5, 0},{ -1, 5, 0},{  3, 2, 1},{ -3, 2, 1},{  2, 3, 0},

  165.       { -2, 3, 0},{  1, 6, 0},{ -1, 6, 0},{  6, 1, 2},{ -6, 1, 2},{  2, 4, 0},

  166.       { -2, 4, 0},{  1, 7, 0},{ -1, 7, 0},{  4, 2, 1},{ -4, 2, 1},{  7, 1, 2},

  167.       { -7, 1, 2},{  3, 3, 1},{ -3, 3, 1},{  2, 5, 0},{ -2, 5, 0},{  1, 8, 0},

  168.       { -1, 8, 0},{  2, 6, 0},{ -2, 6, 0},{  8, 1, 3},{ -8, 1, 3},{  1, 9, 0},

  169.       { -1, 9, 0},{  5, 2, 2},{ -5, 2, 2},{  3, 4, 1},{ -3, 4, 1},{  2, 7, 0},

  170.       { -2, 7, 0},{  9, 1, 3},{ -9, 1, 3},{  1,10, 0},{ -1,10, 0}

  171.     },

  172.     //level_add

  173.     { 0,10, 6, 4, 4, 3, 3, 3, 2, 2, 2,-1,-1,-1,-1,-1,-1,

  174.      -1,-1,-1,-1,-1,-1,-1,-1,-1,-1},

  175.     2, //golomb_order

  176.     2, //inc_limit

  177.     10, //max_run

  178.   },{

  179.     { //level / run

  180.       {  1, 1, 0},{ -1, 1, 0},{  2, 1, 0},{ -2, 1, 0},{  3, 1, 0},{ -3, 1, 0},

  181.       {  1, 2, 0},{ -1, 2, 0},{   EOB   },{  4, 1, 0},{ -4, 1, 0},{  5, 1, 1},

  182.       { -5, 1, 1},{  2, 2, 0},{ -2, 2, 0},{  1, 3, 0},{ -1, 3, 0},{  6, 1, 1},

  183.       { -6, 1, 1},{  3, 2, 0},{ -3, 2, 0},{  7, 1, 1},{ -7, 1, 1},{  1, 4, 0},

  184.       { -1, 4, 0},{  8, 1, 2},{ -8, 1, 2},{  2, 3, 0},{ -2, 3, 0},{  4, 2, 0},

  185.       { -4, 2, 0},{  1, 5, 0},{ -1, 5, 0},{  9, 1, 2},{ -9, 1, 2},{  5, 2, 1},

  186.       { -5, 2, 1},{  2, 4, 0},{ -2, 4, 0},{ 10, 1, 2},{-10, 1, 2},{  3, 3, 0},

  187.       { -3, 3, 0},{  1, 6, 0},{ -1, 6, 0},{ 11, 1, 3},{-11, 1, 3},{  6, 2, 1},

  188.       { -6, 2, 1},{  1, 7, 0},{ -1, 7, 0},{  2, 5, 0},{ -2, 5, 0},{  3, 4, 0},

  189.       { -3, 4, 0},{ 12, 1, 3},{-12, 1, 3},{  4, 3, 0},{ -4, 3, 0}

  190.     },

  191.     //level_add

  192.     { 0,13, 7, 5, 4, 3, 2, 2,-1,-1,-1 -1,-1,-1,-1,-1,-1,

  193.      -1,-1,-1,-1,-1,-1,-1,-1,-1,-1},

  194.     2, //golomb_order

  195.     4, //inc_limit

  196.     7, //max_run

  197.   },{

  198.     { //level / run

  199.       {  1, 1, 0},{ -1, 1, 0},{  2, 1, 0},{ -2, 1, 0},{  3, 1, 0},{ -3, 1, 0},

  200.       {   EOB   },{  4, 1, 0},{ -4, 1, 0},{  5, 1, 0},{ -5, 1, 0},{  6, 1, 0},

  201.       { -6, 1, 0},{  1, 2, 0},{ -1, 2, 0},{  7, 1, 0},{ -7, 1, 0},{  8, 1, 1},

  202.       { -8, 1, 1},{  2, 2, 0},{ -2, 2, 0},{  9, 1, 1},{ -9, 1, 1},{ 10, 1, 1},

  203.       {-10, 1, 1},{  1, 3, 0},{ -1, 3, 0},{  3, 2, 0},{ -3, 2, 0},{ 11, 1, 2},

  204.       {-11, 1, 2},{  4, 2, 0},{ -4, 2, 0},{ 12, 1, 2},{-12, 1, 2},{ 13, 1, 2},

  205.       {-13, 1, 2},{  5, 2, 0},{ -5, 2, 0},{  1, 4, 0},{ -1, 4, 0},{  2, 3, 0},

  206.       { -2, 3, 0},{ 14, 1, 2},{-14, 1, 2},{  6, 2, 0},{ -6, 2, 0},{ 15, 1, 2},

  207.       {-15, 1, 2},{ 16, 1, 2},{-16, 1, 2},{  3, 3, 0},{ -3, 3, 0},{  1, 5, 0},

  208.       { -1, 5, 0},{  7, 2, 0},{ -7, 2, 0},{ 17, 1, 2},{-17, 1, 2}

  209.     },

  210.     //level_add

  211.     { 0,18, 8, 4, 2, 2,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,

  212.      -1,-1,-1,-1,-1,-1,-1,-1,-1,-1},

  213.     2, //golomb_order

  214.     7, //inc_limit

  215.     5, //max_run

  216.   },{

  217.     { //level / run

  218.       {   EOB   },{  1, 1, 0},{ -1, 1, 0},{  2, 1, 0},{ -2, 1, 0},{  3, 1, 0},

  219.       { -3, 1, 0},{  4, 1, 0},{ -4, 1, 0},{  5, 1, 0},{ -5, 1, 0},{  6, 1, 0},

  220.       { -6, 1, 0},{  7, 1, 0},{ -7, 1, 0},{  8, 1, 0},{ -8, 1, 0},{  9, 1, 0},

  221.       { -9, 1, 0},{ 10, 1, 0},{-10, 1, 0},{  1, 2, 0},{ -1, 2, 0},{ 11, 1, 1},

  222.       {-11, 1, 1},{ 12, 1, 1},{-12, 1, 1},{ 13, 1, 1},{-13, 1, 1},{  2, 2, 0},

  223.       { -2, 2, 0},{ 14, 1, 1},{-14, 1, 1},{ 15, 1, 1},{-15, 1, 1},{  3, 2, 0},

  224.       { -3, 2, 0},{ 16, 1, 1},{-16, 1, 1},{  1, 3, 0},{ -1, 3, 0},{ 17, 1, 1},

  225.       {-17, 1, 1},{  4, 2, 0},{ -4, 2, 0},{ 18, 1, 1},{-18, 1, 1},{  5, 2, 0},

  226.       { -5, 2, 0},{ 19, 1, 1},{-19, 1, 1},{ 20, 1, 1},{-20, 1, 1},{  6, 2, 0},

  227.       { -6, 2, 0},{ 21, 1, 1},{-21, 1, 1},{  2, 3, 0},{ -2, 3, 0}

  228.     },

  229.     //level_add

  230.     { 0,22, 7, 3,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,

  231.      -1,-1,-1,-1,-1,-1,-1,-1,-1,-1},

  232.     2, //golomb_order

  233.     10, //inc_limit

  234.     3, //max_run

  235.   },{

  236.     { //level / run

  237.       {   EOB   },{  1, 1, 0},{ -1, 1, 0},{  2, 1, 0},{ -2, 1, 0},{  3, 1, 0},

  238.       { -3, 1, 0},{  4, 1, 0},{ -4, 1, 0},{  5, 1, 0},{ -5, 1, 0},{  6, 1, 0},

  239.       { -6, 1, 0},{  7, 1, 0},{ -7, 1, 0},{  8, 1, 0},{ -8, 1, 0},{  9, 1, 0},

  240.       { -9, 1, 0},{ 10, 1, 0},{-10, 1, 0},{ 11, 1, 0},{-11, 1, 0},{ 12, 1, 0},

  241.       {-12, 1, 0},{ 13, 1, 0},{-13, 1, 0},{ 14, 1, 0},{-14, 1, 0},{ 15, 1, 0},

  242.       {-15, 1, 0},{ 16, 1, 0},{-16, 1, 0},{  1, 2, 0},{ -1, 2, 0},{ 17, 1, 0},

  243.       {-17, 1, 0},{ 18, 1, 0},{-18, 1, 0},{ 19, 1, 0},{-19, 1, 0},{ 20, 1, 0},

  244.       {-20, 1, 0},{ 21, 1, 0},{-21, 1, 0},{  2, 2, 0},{ -2, 2, 0},{ 22, 1, 0},

  245.       {-22, 1, 0},{ 23, 1, 0},{-23, 1, 0},{ 24, 1, 0},{-24, 1, 0},{ 25, 1, 0},

  246.       {-25, 1, 0},{  3, 2, 0},{ -3, 2, 0},{ 26, 1, 0},{-26, 1, 0}

  247.     },

  248.     //level_add

  249.     { 0,27, 4,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,

  250.      -1,-1,-1,-1,-1,-1,-1,-1,-1,-1},

  251.     2, //golomb_order

  252.     INT_MAX, //inc_limit

  253.     2, //max_run

  254.   }

  255. };

  256. 

  257. static const residual_vlc_t inter_2dvlc[7] = {

  258.   {

  259.     { //level / run

  260.       {  1, 1, 1},{ -1, 1, 1},{  1, 2, 1},{ -1, 2, 1},{  1, 3, 1},{ -1, 3, 1},

  261.       {  1, 4, 1},{ -1, 4, 1},{  1, 5, 1},{ -1, 5, 1},{  1, 6, 1},{ -1, 6, 1},

  262.       {  1, 7, 1},{ -1, 7, 1},{  1, 8, 1},{ -1, 8, 1},{  1, 9, 1},{ -1, 9, 1},

  263.       {  1,10, 1},{ -1,10, 1},{  1,11, 1},{ -1,11, 1},{  1,12, 1},{ -1,12, 1},

  264.       {  1,13, 1},{ -1,13, 1},{  2, 1, 2},{ -2, 1, 2},{  1,14, 1},{ -1,14, 1},

  265.       {  1,15, 1},{ -1,15, 1},{  1,16, 1},{ -1,16, 1},{  1,17, 1},{ -1,17, 1},

  266.       {  1,18, 1},{ -1,18, 1},{  1,19, 1},{ -1,19, 1},{  3, 1, 3},{ -3, 1, 3},

  267.       {  1,20, 1},{ -1,20, 1},{  1,21, 1},{ -1,21, 1},{  2, 2, 2},{ -2, 2, 2},

  268.       {  1,22, 1},{ -1,22, 1},{  1,23, 1},{ -1,23, 1},{  1,24, 1},{ -1,24, 1},

  269.       {  1,25, 1},{ -1,25, 1},{  1,26, 1},{ -1,26, 1},{   EOB   }

  270.     },

  271.     //level_add

  272.     { 0, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,

  273.       2, 2, 2, 2, 2, 2, 2, 2, 2, 2},

  274.     3, //golomb_order

  275.     0, //inc_limit

  276.     26 //max_run

  277.   },{

  278.     { //level / run

  279.       {  1, 1, 0},{ -1, 1, 0},{   EOB   },{  1, 2, 0},{ -1, 2, 0},{  1, 3, 0},

  280.       { -1, 3, 0},{  1, 4, 0},{ -1, 4, 0},{  1, 5, 0},{ -1, 5, 0},{  1, 6, 0},

  281.       { -1, 6, 0},{  2, 1, 1},{ -2, 1, 1},{  1, 7, 0},{ -1, 7, 0},{  1, 8, 0},

  282.       { -1, 8, 0},{  1, 9, 0},{ -1, 9, 0},{  1,10, 0},{ -1,10, 0},{  2, 2, 1},

  283.       { -2, 2, 1},{  1,11, 0},{ -1,11, 0},{  1,12, 0},{ -1,12, 0},{  3, 1, 2},

  284.       { -3, 1, 2},{  1,13, 0},{ -1,13, 0},{  1,14, 0},{ -1,14, 0},{  2, 3, 1},

  285.       { -2, 3, 1},{  1,15, 0},{ -1,15, 0},{  2, 4, 1},{ -2, 4, 1},{  1,16, 0},

  286.       { -1,16, 0},{  2, 5, 1},{ -2, 5, 1},{  1,17, 0},{ -1,17, 0},{  4, 1, 3},

  287.       { -4, 1, 3},{  2, 6, 1},{ -2, 6, 1},{  1,18, 0},{ -1,18, 0},{  1,19, 0},

  288.       { -1,19, 0},{  2, 7, 1},{ -2, 7, 1},{  3, 2, 2},{ -3, 2, 2}

  289.     },

  290.     //level_add

  291.     { 0, 5, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2,

  292.       2, 2, 2,-1,-1,-1,-1,-1,-1,-1},

  293.     2, //golomb_order

  294.     1, //inc_limit

  295.     19 //max_run

  296.   },{

  297.     { //level / run

  298.       {  1, 1, 0},{ -1, 1, 0},{   EOB   },{  1, 2, 0},{ -1, 2, 0},{  2, 1, 0},

  299.       { -2, 1, 0},{  1, 3, 0},{ -1, 3, 0},{  1, 4, 0},{ -1, 4, 0},{  3, 1, 1},

  300.       { -3, 1, 1},{  2, 2, 0},{ -2, 2, 0},{  1, 5, 0},{ -1, 5, 0},{  1, 6, 0},

  301.       { -1, 6, 0},{  1, 7, 0},{ -1, 7, 0},{  2, 3, 0},{ -2, 3, 0},{  4, 1, 2},

  302.       { -4, 1, 2},{  1, 8, 0},{ -1, 8, 0},{  3, 2, 1},{ -3, 2, 1},{  2, 4, 0},

  303.       { -2, 4, 0},{  1, 9, 0},{ -1, 9, 0},{  1,10, 0},{ -1,10, 0},{  5, 1, 2},

  304.       { -5, 1, 2},{  2, 5, 0},{ -2, 5, 0},{  1,11, 0},{ -1,11, 0},{  2, 6, 0},

  305.       { -2, 6, 0},{  1,12, 0},{ -1,12, 0},{  3, 3, 1},{ -3, 3, 1},{  6, 1, 2},

  306.       { -6, 1, 2},{  4, 2, 2},{ -4, 2, 2},{  1,13, 0},{ -1,13, 0},{  2, 7, 0},

  307.       { -2, 7, 0},{  3, 4, 1},{ -3, 4, 1},{  1,14, 0},{ -1,14, 0}

  308.     },

  309.     //level_add

  310.     { 0, 7, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2,-1,-1,

  311.       -1,-1,-1,-1,-1,-1,-1,-1,-1,-1},

  312.     2, //golomb_order

  313.     2, //inc_limit

  314.     14 //max_run

  315.   },{

  316.     { //level / run

  317.       {  1, 1, 0},{ -1, 1, 0},{   EOB   },{  2, 1, 0},{ -2, 1, 0},{  1, 2, 0},

  318.       { -1, 2, 0},{  3, 1, 0},{ -3, 1, 0},{  1, 3, 0},{ -1, 3, 0},{  2, 2, 0},

  319.       { -2, 2, 0},{  4, 1, 1},{ -4, 1, 1},{  1, 4, 0},{ -1, 4, 0},{  5, 1, 1},

  320.       { -5, 1, 1},{  1, 5, 0},{ -1, 5, 0},{  3, 2, 0},{ -3, 2, 0},{  2, 3, 0},

  321.       { -2, 3, 0},{  1, 6, 0},{ -1, 6, 0},{  6, 1, 1},{ -6, 1, 1},{  2, 4, 0},

  322.       { -2, 4, 0},{  1, 7, 0},{ -1, 7, 0},{  4, 2, 1},{ -4, 2, 1},{  7, 1, 2},

  323.       { -7, 1, 2},{  3, 3, 0},{ -3, 3, 0},{  1, 8, 0},{ -1, 8, 0},{  2, 5, 0},

  324.       { -2, 5, 0},{  8, 1, 2},{ -8, 1, 2},{  1, 9, 0},{ -1, 9, 0},{  3, 4, 0},

  325.       { -3, 4, 0},{  2, 6, 0},{ -2, 6, 0},{  5, 2, 1},{ -5, 2, 1},{  1,10, 0},

  326.       { -1,10, 0},{  9, 1, 2},{ -9, 1, 2},{  4, 3, 1},{ -4, 3, 1}

  327.     },

  328.     //level_add

  329.     { 0,10, 6, 5, 4, 3, 3, 2, 2, 2, 2,-1,-1,-1,-1,-1,-1,

  330.      -1,-1,-1,-1,-1,-1,-1,-1,-1,-1},

  331.     2, //golomb_order

  332.     3, //inc_limit

  333.     10 //max_run

  334.   },{

  335.     { //level / run

  336.       {  1, 1, 0},{ -1, 1, 0},{   EOB   },{  2, 1, 0},{ -2, 1, 0},{  3, 1, 0},

  337.       { -3, 1, 0},{  1, 2, 0},{ -1, 2, 0},{  4, 1, 0},{ -4, 1, 0},{  5, 1, 0},

  338.       { -5, 1, 0},{  2, 2, 0},{ -2, 2, 0},{  1, 3, 0},{ -1, 3, 0},{  6, 1, 0},

  339.       { -6, 1, 0},{  3, 2, 0},{ -3, 2, 0},{  7, 1, 1},{ -7, 1, 1},{  1, 4, 0},

  340.       { -1, 4, 0},{  8, 1, 1},{ -8, 1, 1},{  2, 3, 0},{ -2, 3, 0},{  4, 2, 0},

  341.       { -4, 2, 0},{  1, 5, 0},{ -1, 5, 0},{  9, 1, 1},{ -9, 1, 1},{  5, 2, 0},

  342.       { -5, 2, 0},{  2, 4, 0},{ -2, 4, 0},{  1, 6, 0},{ -1, 6, 0},{ 10, 1, 2},

  343.       {-10, 1, 2},{  3, 3, 0},{ -3, 3, 0},{ 11, 1, 2},{-11, 1, 2},{  1, 7, 0},

  344.       { -1, 7, 0},{  6, 2, 0},{ -6, 2, 0},{  3, 4, 0},{ -3, 4, 0},{  2, 5, 0},

  345.       { -2, 5, 0},{ 12, 1, 2},{-12, 1, 2},{  4, 3, 0},{ -4, 3, 0}

  346.     },

  347.     //level_add

  348.     { 0,13, 7, 5, 4, 3, 2, 2,-1,-1,-1,-1,-1,-1,-1,-1,-1,

  349.      -1,-1,-1,-1,-1,-1,-1,-1,-1,-1},

  350.     2, //golomb_order

  351.     6, //inc_limit

  352.     7  //max_run

  353.   },{

  354.     { //level / run

  355.       {   EOB   },{  1, 1, 0},{ -1, 1, 0},{  2, 1, 0},{ -2, 1, 0},{  3, 1, 0},

  356.       { -3, 1, 0},{  4, 1, 0},{ -4, 1, 0},{  5, 1, 0},{ -5, 1, 0},{  1, 2, 0},

  357.       { -1, 2, 0},{  6, 1, 0},{ -6, 1, 0},{  7, 1, 0},{ -7, 1, 0},{  8, 1, 0},

  358.       { -8, 1, 0},{  2, 2, 0},{ -2, 2, 0},{  9, 1, 0},{ -9, 1, 0},{  1, 3, 0},

  359.       { -1, 3, 0},{ 10, 1, 1},{-10, 1, 1},{  3, 2, 0},{ -3, 2, 0},{ 11, 1, 1},

  360.       {-11, 1, 1},{  4, 2, 0},{ -4, 2, 0},{ 12, 1, 1},{-12, 1, 1},{  1, 4, 0},

  361.       { -1, 4, 0},{  2, 3, 0},{ -2, 3, 0},{ 13, 1, 1},{-13, 1, 1},{  5, 2, 0},

  362.       { -5, 2, 0},{ 14, 1, 1},{-14, 1, 1},{  6, 2, 0},{ -6, 2, 0},{  1, 5, 0},

  363.       { -1, 5, 0},{ 15, 1, 1},{-15, 1, 1},{  3, 3, 0},{ -3, 3, 0},{ 16, 1, 1},

  364.       {-16, 1, 1},{  2, 4, 0},{ -2, 4, 0},{  7, 2, 0},{ -7, 2, 0}

  365.     },

  366.     //level_add

  367.     { 0,17, 8, 4, 3, 2,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,

  368.      -1,-1,-1,-1,-1,-1,-1,-1,-1,-1},

  369.     2, //golomb_order

  370.     9, //inc_limit

  371.     5  //max_run

  372.   },{

  373.     { //level / run

  374.       {   EOB   },{  1, 1, 0},{ -1, 1, 0},{  2, 1, 0},{ -2, 1, 0},{  3, 1, 0},

  375.       { -3, 1, 0},{  4, 1, 0},{ -4, 1, 0},{  5, 1, 0},{ -5, 1, 0},{  6, 1, 0},

  376.       { -6, 1, 0},{  7, 1, 0},{ -7, 1, 0},{  1, 2, 0},{ -1, 2, 0},{  8, 1, 0},

  377.       { -8, 1, 0},{  9, 1, 0},{ -9, 1, 0},{ 10, 1, 0},{-10, 1, 0},{ 11, 1, 0},

  378.       {-11, 1, 0},{ 12, 1, 0},{-12, 1, 0},{  2, 2, 0},{ -2, 2, 0},{ 13, 1, 0},

  379.       {-13, 1, 0},{  1, 3, 0},{ -1, 3, 0},{ 14, 1, 0},{-14, 1, 0},{ 15, 1, 0},

  380.       {-15, 1, 0},{  3, 2, 0},{ -3, 2, 0},{ 16, 1, 0},{-16, 1, 0},{ 17, 1, 0},

  381.       {-17, 1, 0},{ 18, 1, 0},{-18, 1, 0},{  4, 2, 0},{ -4, 2, 0},{ 19, 1, 0},

  382.       {-19, 1, 0},{ 20, 1, 0},{-20, 1, 0},{  2, 3, 0},{ -2, 3, 0},{  1, 4, 0},

  383.       { -1, 4, 0},{  5, 2, 0},{ -5, 2, 0},{ 21, 1, 0},{-21, 1, 0}

  384.     },

  385.     //level_add

  386.     { 0,22, 6, 3, 2,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,

  387.      -1,-1,-1,-1,-1,-1,-1,-1,-1,-1},

  388.     2, //golomb_order

  389.     INT_MAX, //inc_limit

  390.     4 //max_run

  391.   }

  392. };

  393. 

  394. static const residual_vlc_t chroma_2dvlc[5] = {

  395.   {

  396.     { //level / run

  397.       {  1, 1, 1},{ -1, 1, 1},{  1, 2, 1},{ -1, 2, 1},{  1, 3, 1},{ -1, 3, 1},

  398.       {  1, 4, 1},{ -1, 4, 1},{  1, 5, 1},{ -1, 5, 1},{  1, 6, 1},{ -1, 6, 1},

  399.       {  1, 7, 1},{ -1, 7, 1},{  2, 1, 2},{ -2, 1, 2},{  1, 8, 1},{ -1, 8, 1},

  400.       {  1, 9, 1},{ -1, 9, 1},{  1,10, 1},{ -1,10, 1},{  1,11, 1},{ -1,11, 1},

  401.       {  1,12, 1},{ -1,12, 1},{  1,13, 1},{ -1,13, 1},{  1,14, 1},{ -1,14, 1},

  402.       {  1,15, 1},{ -1,15, 1},{  3, 1, 3},{ -3, 1, 3},{  1,16, 1},{ -1,16, 1},

  403.       {  1,17, 1},{ -1,17, 1},{  1,18, 1},{ -1,18, 1},{  1,19, 1},{ -1,19, 1},

  404.       {  1,20, 1},{ -1,20, 1},{  1,21, 1},{ -1,21, 1},{  1,22, 1},{ -1,22, 1},

  405.       {  2, 2, 2},{ -2, 2, 2},{  1,23, 1},{ -1,23, 1},{  1,24, 1},{ -1,24, 1},

  406.       {  1,25, 1},{ -1,25, 1},{  4, 1, 3},{ -4, 1, 3},{   EOB   }

  407.     },

  408.     //level_add

  409.     { 0, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,

  410.       2, 2, 2, 2, 2, 2, 2, 2, 2,-1},

  411.     2, //golomb_order

  412.     0, //inc_limit

  413.     25 //max_run

  414.   },{

  415.     { //level / run

  416.       {   EOB   },{  1, 1, 0},{ -1, 1, 0},{  1, 2, 0},{ -1, 2, 0},{  2, 1, 1},

  417.       { -2, 1, 1},{  1, 3, 0},{ -1, 3, 0},{  1, 4, 0},{ -1, 4, 0},{  1, 5, 0},

  418.       { -1, 5, 0},{  1, 6, 0},{ -1, 6, 0},{  3, 1, 2},{ -3, 1, 2},{  1, 7, 0},

  419.       { -1, 7, 0},{  1, 8, 0},{ -1, 8, 0},{  2, 2, 1},{ -2, 2, 1},{  1, 9, 0},

  420.       { -1, 9, 0},{  1,10, 0},{ -1,10, 0},{  1,11, 0},{ -1,11, 0},{  4, 1, 2},

  421.       { -4, 1, 2},{  1,12, 0},{ -1,12, 0},{  1,13, 0},{ -1,13, 0},{  1,14, 0},

  422.       { -1,14, 0},{  2, 3, 1},{ -2, 3, 1},{  1,15, 0},{ -1,15, 0},{  2, 4, 1},

  423.       { -2, 4, 1},{  5, 1, 3},{ -5, 1, 3},{  3, 2, 2},{ -3, 2, 2},{  1,16, 0},

  424.       { -1,16, 0},{  1,17, 0},{ -1,17, 0},{  1,18, 0},{ -1,18, 0},{  2, 5, 1},

  425.       { -2, 5, 1},{  1,19, 0},{ -1,19, 0},{  1,20, 0},{ -1,20, 0}

  426.     },

  427.     //level_add

  428.     { 0, 6, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,

  429.       2, 2, 2, 2,-1,-1,-1,-1,-1,-1},

  430.     0, //golomb_order

  431.     1, //inc_limit

  432.     20 //max_run

  433.   },{

  434.     { //level / run

  435.       {  1, 1, 0},{ -1, 1, 0},{   EOB   },{  2, 1, 0},{ -2, 1, 0},{  1, 2, 0},

  436.       { -1, 2, 0},{  3, 1, 1},{ -3, 1, 1},{  1, 3, 0},{ -1, 3, 0},{  4, 1, 1},

  437.       { -4, 1, 1},{  2, 2, 0},{ -2, 2, 0},{  1, 4, 0},{ -1, 4, 0},{  5, 1, 2},

  438.       { -5, 1, 2},{  1, 5, 0},{ -1, 5, 0},{  3, 2, 1},{ -3, 2, 1},{  2, 3, 0},

  439.       { -2, 3, 0},{  1, 6, 0},{ -1, 6, 0},{  6, 1, 2},{ -6, 1, 2},{  1, 7, 0},

  440.       { -1, 7, 0},{  2, 4, 0},{ -2, 4, 0},{  7, 1, 2},{ -7, 1, 2},{  1, 8, 0},

  441.       { -1, 8, 0},{  4, 2, 1},{ -4, 2, 1},{  1, 9, 0},{ -1, 9, 0},{  3, 3, 1},

  442.       { -3, 3, 1},{  2, 5, 0},{ -2, 5, 0},{  2, 6, 0},{ -2, 6, 0},{  8, 1, 2},

  443.       { -8, 1, 2},{  1,10, 0},{ -1,10, 0},{  1,11, 0},{ -1,11, 0},{  9, 1, 2},

  444.       { -9, 1, 2},{  5, 2, 2},{ -5, 2, 2},{  3, 4, 1},{ -3, 4, 1},

  445.     },

  446.     //level_add

  447.     { 0,10, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2,-1,-1,-1,-1,-1,

  448.      -1,-1,-1,-1,-1,-1,-1,-1,-1,-1},

  449.     1, //golomb_order

  450.     2, //inc_limit

  451.     11 //max_run

  452.   },{

  453.     { //level / run

  454.       {   EOB   },{  1, 1, 0},{ -1, 1, 0},{  2, 1, 0},{ -2, 1, 0},{  3, 1, 0},

  455.       { -3, 1, 0},{  4, 1, 0},{ -4, 1, 0},{  1, 2, 0},{ -1, 2, 0},{  5, 1, 1},

  456.       { -5, 1, 1},{  2, 2, 0},{ -2, 2, 0},{  6, 1, 1},{ -6, 1, 1},{  1, 3, 0},

  457.       { -1, 3, 0},{  7, 1, 1},{ -7, 1, 1},{  3, 2, 0},{ -3, 2, 0},{  8, 1, 1},

  458.       { -8, 1, 1},{  1, 4, 0},{ -1, 4, 0},{  2, 3, 0},{ -2, 3, 0},{  9, 1, 1},

  459.       { -9, 1, 1},{  4, 2, 0},{ -4, 2, 0},{  1, 5, 0},{ -1, 5, 0},{ 10, 1, 1},

  460.       {-10, 1, 1},{  3, 3, 0},{ -3, 3, 0},{  5, 2, 1},{ -5, 2, 1},{  2, 4, 0},

  461.       { -2, 4, 0},{ 11, 1, 1},{-11, 1, 1},{  1, 6, 0},{ -1, 6, 0},{ 12, 1, 1},

  462.       {-12, 1, 1},{  1, 7, 0},{ -1, 7, 0},{  6, 2, 1},{ -6, 2, 1},{ 13, 1, 1},

  463.       {-13, 1, 1},{  2, 5, 0},{ -2, 5, 0},{  1, 8, 0},{ -1, 8, 0},

  464.     },

  465.     //level_add

  466.     { 0,14, 7, 4, 3, 3, 2, 2, 2,-1,-1,-1,-1,-1,-1,-1,-1,

  467.      -1,-1,-1,-1,-1,-1,-1,-1,-1,-1},

  468.     1, //golomb_order

  469.     4, //inc_limit

  470.     8  //max_run

  471.   },{

  472.     { //level / run

  473.       {   EOB   },{  1, 1, 0},{ -1, 1, 0},{  2, 1, 0},{ -2, 1, 0},{  3, 1, 0},

  474.       { -3, 1, 0},{  4, 1, 0},{ -4, 1, 0},{  5, 1, 0},{ -5, 1, 0},{  6, 1, 0},

  475.       { -6, 1, 0},{  7, 1, 0},{ -7, 1, 0},{  8, 1, 0},{ -8, 1, 0},{  1, 2, 0},

  476.       { -1, 2, 0},{  9, 1, 0},{ -9, 1, 0},{ 10, 1, 0},{-10, 1, 0},{ 11, 1, 0},

  477.       {-11, 1, 0},{  2, 2, 0},{ -2, 2, 0},{ 12, 1, 0},{-12, 1, 0},{ 13, 1, 0},

  478.       {-13, 1, 0},{  3, 2, 0},{ -3, 2, 0},{ 14, 1, 0},{-14, 1, 0},{  1, 3, 0},

  479.       { -1, 3, 0},{ 15, 1, 0},{-15, 1, 0},{  4, 2, 0},{ -4, 2, 0},{ 16, 1, 0},

  480.       {-16, 1, 0},{ 17, 1, 0},{-17, 1, 0},{  5, 2, 0},{ -5, 2, 0},{  1, 4, 0},

  481.       { -1, 4, 0},{  2, 3, 0},{ -2, 3, 0},{ 18, 1, 0},{-18, 1, 0},{  6, 2, 0},

  482.       { -6, 2, 0},{ 19, 1, 0},{-19, 1, 0},{  1, 5, 0},{ -1, 5, 0},

  483.     },

  484.     //level_add

  485.     { 0,20, 7, 3, 2, 2,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,

  486.      -1,-1,-1,-1,-1,-1,-1,-1,-1,-1},

  487.     0, //golomb_order

  488.     INT_MAX, //inc_limit

  489.     5, //max_run

  490.   }

  491. };

  492. 

  493. #undef EOB

  494. 

  495. static const uint8_t alpha_tab[64] = {

  496.    0,  0,  0,  0,  0,  0,  1,  1,  1,  1,  1,  2,  2,  2,  3,  3,

  497.    4,  4,  5,  5,  6,  7,  8,  9, 10, 11, 12, 13, 15, 16, 18, 20,

  498.   22, 24, 26, 28, 30, 33, 33, 35, 35, 36, 37, 37, 39, 39, 42, 44,

  499.   46, 48, 50, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64

  500. };

  501. 

  502. static const uint8_t beta_tab[64] = {

  503.    0,  0,  0,  0,  0,  0,  1,  1,  1,  1,  1,  1,  1,  2,  2,  2,

  504.    2,  2,  3,  3,  3,  3,  4,  4,  4,  4,  5,  5,  5,  5,  6,  6,

  505.    6,  7,  7,  7,  8,  8,  8,  9,  9, 10, 10, 11, 11, 12, 13, 14,

  506.   15, 16, 17, 18, 19, 20, 21, 22, 23, 23, 24, 24, 25, 25, 26, 27

  507. };

  508. 

  509. static const uint8_t tc_tab[64] = {

  510.   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,

  511.   1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2,

  512.   2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4,

  513.   5, 5, 5, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 9, 9, 9

  514. };

  515. 

  516. static const int_fast8_t left_modifier_l[8] = { 0,-1, 6,-1,-1, 7, 6, 7};

  517. static const int_fast8_t top_modifier_l[8]  = {-1, 1, 5,-1,-1, 5, 7, 7};

  518. static const int_fast8_t left_modifier_c[7] = { 5,-1, 2,-1, 6, 5, 6};

  519. static const int_fast8_t top_modifier_c[7]  = { 4, 1,-1,-1, 4, 6, 6};

  520. 

  521. #endif // AVCODEC_CAVSDATA_H