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FFmpeg/libavcodec/vc9data.h

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  1. /**

  2.  * @file vc9data.h

  3.  * VC9 tables.

  4.  */

  5. 

  6. #ifndef VC9DATA_H

  7. #define VC9DATA_H

  8. 

  9. /* bfraction is fractional, we scale to the GCD 3*5*7*8 = 840 */

  10. const int16_t vc9_bfraction_lut[23] = {

  11.   420 /*1/2*/, 280 /*1/3*/, 560 /*2/3*/, 210 /*1/4*/,

  12.   630 /*3/4*/, 168 /*1/5*/, 336 /*2/5*/,

  13.   504 /*3/5*/, 672 /*4/5*/, 140 /*1/6*/, 700 /*5/6*/,

  14.   120 /*1/7*/, 240 /*2/7*/, 360 /*3/7*/, 480 /*4/7*/,

  15.   600 /*5/7*/, 720 /*6/7*/, 105 /*1/8*/, 315 /*3/8*/,

  16.   525 /*5/8*/, 735 /*7/8*/,

  17.   -1 /*inv.*/, 0 /*BI fm*/

  18. };

  19. const uint8_t vc9_bfraction_bits[23] = {

  20.     3, 3, 3, 3,

  21.     3, 3, 3,

  22.     7, 7, 7, 7,

  23.     7, 7, 7, 7,

  24.     7, 7, 7, 7,

  25.     7, 7,

  26.     7, 7

  27. };

  28. const uint8_t vc9_bfraction_codes[23] = {

  29.      0,   1,   2,   3,

  30.      4,   5,   6,

  31.    112, 113, 114, 115,

  32.    116, 117, 118, 119,

  33.    120, 121, 122, 123,

  34.    124, 125,

  35.    126, 127

  36. };

  37. 

  38. //Same as H.264

  39. static const AVRational vc9_pixel_aspect[16]={

  40.  {0, 1},

  41.  {1, 1},

  42.  {12, 11},

  43.  {10, 11},

  44.  {16, 11},

  45.  {40, 33},

  46.  {24, 11},

  47.  {20, 11},

  48.  {32, 11},

  49.  {80, 33},

  50.  {18, 11},

  51.  {15, 11},

  52.  {64, 33},

  53.  {160, 99},

  54.  {0, 1},

  55.  {0, 1}

  56. };

  57. 

  58. /* BitPlane IMODE - such a small table... */

  59. static const uint8_t vc9_imode_codes[7] = {

  60.   0, 2, 1, 3, 1, 2, 3

  61. };

  62. static const uint8_t vc9_imode_bits[7] = {

  63.   4, 2, 3, 2, 4, 3, 3

  64. };

  65. 

  66. /* Normal-2 imode */

  67. static const uint8_t vc9_norm2_codes[4] = {

  68.   0, 4, 5, 3

  69. };

  70. static const uint8_t vc9_norm2_bits[4] = {

  71.   1, 3, 3, 2

  72. };

  73. 

  74. static const uint16_t vc9_norm6_codes[64] = {

  75. 0x001, 0x002, 0x003, 0x000, 0x004, 0x001, 0x002, 0x047, 0x005, 0x003, 0x004, 0x04B, 0x005, 0x04D, 0x04E, 0x30E, 

  76. 0x006, 0x006, 0x007, 0x053, 0x008, 0x055, 0x056, 0x30D, 0x009, 0x059, 0x05A, 0x30C, 0x05C, 0x30B, 0x30A, 0x037, 

  77. 0x007, 0x00A, 0x00B, 0x043, 0x00C, 0x045, 0x046, 0x309, 0x00D, 0x049, 0x04A, 0x308, 0x04C, 0x307, 0x306, 0x036, 

  78. 0x00E, 0x051, 0x052, 0x305, 0x054, 0x304, 0x303, 0x035, 0x058, 0x302, 0x301, 0x034, 0x300, 0x033, 0x032, 0x007, 

  79. };

  80. 

  81. static const uint8_t vc9_norm6_bits[64] = {

  82.  1,  4,  4,  8,  4,  8,  8, 10,  4,  8,  8, 10,  8, 10, 10, 13, 

  83.  4,  8,  8, 10,  8, 10, 10, 13,  8, 10, 10, 13, 10, 13, 13,  9, 

  84.  4,  8,  8, 10,  8, 10, 10, 13,  8, 10, 10, 13, 10, 13, 13,  9, 

  85.  8, 10, 10, 13, 10, 13, 13,  9, 10, 13, 13,  9, 13,  9,  9,  6,

  86. };

  87. #if 0

  88. /* Normal-6 imode */

  89. static const uint8_t vc9_norm6_spec[64][5] = {

  90. { 0,  1, 1        },

  91. { 1,  2, 4        },

  92. { 2,  3, 4        },

  93. { 3,  0, 8        },

  94. { 4,  4, 4        },

  95. { 5,  1, 8        },

  96. { 6,  2, 8        },

  97. { 7,  2, 5,  7, 5 },

  98. { 8,  5, 4        },

  99. { 9,  3, 8        },

  100. {10,  4, 8        },

  101. {11,  2, 5, 11, 5 },

  102. {12,  5, 8        },

  103. {13,  2, 5, 13, 5 },

  104. {14,  2, 5, 14, 5 },

  105. {15,  3, 5, 14, 8 },

  106. {16,  6, 4        },

  107. {17,  6, 8        },

  108. {18,  7, 8        },

  109. {19,  2, 5, 19, 5 },

  110. {20,  8, 8        },

  111. {21,  2, 5, 21, 5 },

  112. {22,  2, 5, 22, 5 },

  113. {23,  3, 5, 13, 8 },

  114. {24,  9, 8        },

  115. {25,  2, 5, 25, 5 },

  116. {26,  2, 5, 26, 5 },

  117. {27,  3, 5, 12, 8 },

  118. {28,  2, 5, 28, 5 },

  119. {29,  3, 5, 11, 8 },

  120. {30,  3, 5, 10, 8 },

  121. {31,  3, 5,  7, 4 },

  122. {32,  7, 4        },

  123. {33, 10, 8        },

  124. {34, 11, 8        },

  125. {35,  2, 5,  3, 5 },

  126. {36, 12, 8        },

  127. {37,  2, 5,  5, 5 },

  128. {38,  2, 5,  6, 5 },

  129. {39,  3, 5,  9, 8 },

  130. {40, 13, 8        },

  131. {41,  2, 5,  9, 5 },

  132. {42,  2, 5, 10, 5 },

  133. {43,  3, 5,  8, 8 },

  134. {44,  2, 5, 12, 5 },

  135. {45,  3, 5,  7, 8 },

  136. {46,  3, 5,  6, 8 },

  137. {47,  3, 5,  6, 4 },

  138. {48, 14, 8        },

  139. {49,  2, 5, 17, 5 },

  140. {50,  2, 5, 18, 5 },

  141. {51,  3, 5,  5, 8 },

  142. {52,  2, 5, 20, 5 },

  143. {53,  3, 5,  4, 8 },

  144. {54,  3, 5,  3, 8 },

  145. {55,  3, 5,  5, 4 },

  146. {56,  2, 5, 24, 5 },

  147. {57,  3, 5,  2, 8 },

  148. {58,  3, 5,  1, 8 },

  149. {59,  3, 5,  4, 4 },

  150. {60,  3, 5,  0, 8 },

  151. {61,  3, 5,  3, 4 },

  152. {62,  3, 5,  2, 4 },

  153. {63,  3, 5,  1, 1 },

  154. };

  155. #endif

  156. /* 4MV Block pattern VLC tables */

  157. static const uint8_t vc9_4mv_block_pattern_codes[4][16] = {

  158.   { 14, 58, 59, 25, 12, 26, 15, 15, 13, 24, 27,  0, 28,  1,  2,  2},

  159.   {  8, 18, 19,  4, 20,  5, 30, 11, 21, 31,  6, 12,  7, 13, 14,  0},

  160.   { 15,  6,  7,  2,  8,  3, 28,  9, 10, 29,  4, 11,  5, 12, 13,  0},

  161.   {  0, 11, 12,  4, 13,  5, 30, 16, 14, 31,  6, 17,  7, 18, 19, 19}

  162. };

  163. static const uint8_t vc9_4mv_block_pattern_bits[4][16] = {

  164.   { 5, 6, 6, 5, 5, 5, 5, 4, 5, 5, 5, 3, 5, 3, 3, 2},

  165.   { 4, 5, 5, 4, 5, 4, 5, 4, 5, 5, 4, 4, 4, 4, 4, 2},

  166.   { 4, 4, 4, 4, 4, 4, 5, 4, 4, 5, 4, 4, 4, 4, 4, 3},

  167.   { 2, 4, 4, 4, 4, 4, 5, 5, 4, 5, 4, 5, 4, 5, 5, 4}

  168. };

  169. 

  170. /* I-Picture CBPCY VLC tables */

  171. //same as msmpeg4 table_mb_intra

  172. static const uint16_t vc9_cbpcy_i_codes[64] = {

  173.      1,   23,    9,    5,    6,   71,   32,   16,

  174.      2,  124,   58,   29,    2,  236,  119,    0,

  175.      3,  183,   44,   19,    1,  360,   70,   63,

  176.     30, 1810,  181,   66,   34,  453,  286,  135,

  177.      6,    3,   30,   28,   18,  904,   68,  112,

  178.     31,  574,   57,  142,    1,  454,  182,   69,

  179.     20,  575,  125,   24,    7,  455,  134,   25,

  180.     21,  475,    2,   70,   13, 1811,  474,  361

  181. };

  182. static const uint8_t vc9_cbpcy_i_bits[64] = {

  183.    1,  6,  5,  5,  5,  9,  7,  7,  5,  9,  7,  7,  6,  9,  8,  8,

  184.    5,  9,  7,  7,  6, 10,  8,  8,  6, 13,  9,  8,  7, 11, 10,  9,

  185.    4,  9,  7,  6,  7, 12,  9,  9,  6, 11,  8,  9,  7, 11,  9,  9,

  186.    6, 11,  9,  9,  7, 11,  9,  9,  6, 10,  9,  9,  8, 13, 10, 10

  187. };

  188. 

  189. /* P-Picture CBPCY VLC tables */

  190. static const uint16_t vc9_cbpcy_p_codes[4][64] = {

  191.   {

  192.       0,   1,   1,   4,   5,   1,  12,   4,  13,  14,  10,  11,  12,   7,  13,   2,

  193.      15,   1,  96,   1,  49,  97,   2, 100,   3,   4,   5, 101, 102,  52,  53,   4,

  194.       6,   7,  54, 103,   8,   9,  10, 110,  11,  12, 111,  56, 114,  58, 115,   5,

  195.      13,   7,   8,   9,  10,  11,  12,  30,  13,  14,  15, 118, 119,  62,  63,   3

  196.   },

  197.   {

  198.       0,   1,   2,   1,   3,   1,  16,  17,   5,  18,  12,  19,  13,   1,  28,  58,

  199.       1,   1,   1,   2,   3,   2,   3, 236, 237,   4,   5, 238,   6,   7, 239,   8,

  200.       9, 240,  10,  11, 121, 122,  12,  13,  14,  15, 241, 246,  16,  17, 124,  63,

  201.      18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29,  30,  31, 247, 125

  202.   },

  203.   {

  204.       0,   1,   2,   3,   2,   3,   1,   4,   5,  24,   7,  13,  16,  17,   9,   5,

  205.      25,   1,   1,   1,   2,   3,  96, 194,   1,   2,  98,  99, 195, 200, 101,  26,

  206.     201, 102, 412, 413, 414,  54, 220, 111, 221,   3, 224, 113, 225, 114, 230,  29,

  207.     231, 415, 240,   4, 241, 484,   5, 243,   3, 244, 245, 485, 492, 493, 247,  31

  208.   },

  209.   {

  210.       0,   1,   1,   1,   2,   2,   3,   4,   3,   5,   6,   7,   8,   9,  10,  11,

  211.      12,  13,  14,  15,  16,  17,  18,  19,  20,  21,  22,  23,  24,  25,  26,  27,

  212.      28,  29,  30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,

  213.      44,  45,  46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  28,  29,  30,  31

  214.    }

  215. };

  216. static const uint8_t vc9_cbpcy_p_bits[4][64] = {

  217.   {

  218.     13,  6,  5,  6,  6,  7,  7,  5,  7,  7,  6,  6,  6,  5,  6,  3,

  219.      7,  8,  8, 13,  7,  8, 13,  8, 13, 13, 13,  8,  8,  7,  7,  3,

  220.     13, 13,  7,  8, 13, 13, 13,  8, 13, 13,  8,  7,  8,  7,  8,  3,

  221.     13, 12, 12, 12, 12, 12, 12,  6, 12, 12, 12,  8,  8,  7,  7,  2

  222.   },

  223.   {

  224.     14,  3,  3,  5,  3,  4,  5,  5,  3,  5,  4,  5,  4,  6,  5,  6,

  225.      8, 14, 13,  8,  8, 13, 13,  8,  8, 13, 13,  8, 13, 13,  8, 13,

  226.     13,  8, 13, 13,  7,  7, 13, 13, 13, 13,  8,  8, 13, 13,  7,  6,

  227.     13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,  8,  7

  228.   },

  229.   {

  230.     13,  5,  5,  5,  4,  4,  6,  4,  4,  6,  4,  5,  5,  5,  4,  3,

  231.      6,  8, 10,  9,  8,  8,  7,  8, 13, 13,  7,  7,  8,  8,  7,  5,

  232.      8,  7,  9,  9,  9,  6,  8,  7,  8, 13,  8,  7,  8,  7,  8,  5,

  233.      8,  9,  8, 13,  8,  9, 13,  8, 12,  8,  8,  9,  9,  9,  8,  5

  234.   },

  235.   {

  236.      9,  2,  3,  9,  2,  9,  9,  9,  2,  9,  9,  9,  9,  9,  9,  9,

  237.      9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,

  238.      9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,

  239.      9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  8,  8,  8,  8

  240.   }

  241. };

  242. 

  243. /* MacroBlock Transform Type: 7.1.3.11, p89

  244.  * 8x8:B

  245.  * 8x4:B:btm  8x4:B:top  8x4:B:both,

  246.  * 4x8:B:right  4x8:B:left  4x8:B:both

  247.  * 4x4:B  8x8:MB

  248.  * 8x4:MB:btm  8x4:MB:top  8x4,MB,both

  249.  * 4x8,MB,right  4x8,MB,left

  250.  * 4x4,MB                               */

  251. static const uint16_t vc9_ttmb_codes[3][16] = {

  252.   {

  253.     0x0003,

  254.     0x002E, 0x005F, 0x0000,

  255.     0x0016, 0x0015, 0x0001,

  256.     0x0004, 0x0014,

  257.     0x02F1, 0x0179, 0x017B,

  258.     0x0BC0, 0x0BC1, 0x05E1,

  259.     0x017A

  260.   },

  261.   {

  262.     0x0006,

  263.     0x0006, 0x0003, 0x0007,

  264.     0x000F, 0x000E, 0x0000,

  265.     0x0002, 0x0002,

  266.     0x0014, 0x0011, 0x000B,

  267.     0x0009, 0x0021, 0x0015,

  268.     0x0020

  269.   },

  270.   {

  271.     0x0006,

  272.     0x0000, 0x000E, 0x0005,

  273.     0x0002, 0x0003, 0x0003,

  274.     0x000F, 0x0002,

  275.     0x0081, 0x0021, 0x0009,

  276.     0x0101, 0x0041, 0x0011,

  277.     0x0100

  278.   }

  279. };

  280. 

  281. static const uint8_t vc9_ttmb_bits[3][16] = {

  282.   {

  283.      2,

  284.      6,  7,  2,

  285.      5,  5,  2,

  286.      3,  5,

  287.     10,  9,  9,

  288.     12, 12, 11,

  289.      9

  290.   },

  291.   {

  292.     3,

  293.     4, 4, 4,

  294.     4, 4, 3,

  295.     3, 2,

  296.     7, 7, 6,

  297.     6, 8, 7,

  298.     8

  299.   },

  300.   {

  301.      3,

  302.      3, 4, 5,

  303.      3, 3, 4,

  304.      4, 2,

  305.     10, 8, 6,

  306.     11, 9, 7,

  307.     11

  308.   }

  309. };  

  310. 

  311. 

  312. /* MV differential tables, p265 */

  313. static const uint16_t vc9_mv_diff_codes[4][73] = {

  314.   {

  315.        0,    2,    3,    8,  576,    3,    2,    6,

  316.        5,  577,  578,    7,    8,    9,   40,   19,

  317.       37,   82,   21,   22,   23,  579,  580,  166,

  318.       96,  167,   49,  194,  195,  581,  582,  583,

  319.      292,  293,  294,   13,    2,    7,   24,   50,

  320.      102,  295,   13,    7,    8,   18,   50,  103,

  321.       38,   20,   21,   22,   39,  204,  103,   23,

  322.       24,   25,  104,  410,  105,  106,  107,  108,

  323.      109,  220,  411,  442,  222,  443,  446,  447,

  324.        7 /* 73 elements */

  325.   },

  326.   {

  327.        0,    4,    5,    3,    4,    3,    4,    5,

  328.       20,    6,   21,   44,   45,   46, 3008,   95,

  329.      112,  113,   57, 3009, 3010,  116,  117, 3011,

  330.      118, 3012, 3013, 3014, 3015, 3016, 3017, 3018,

  331.     3019, 3020, 3021, 3022,    1,    4,   15,  160,

  332.      161,   41,    6,   11,   42,  162,   43,  119,

  333.       56,   57,   58,  163,  236,  237, 3023,  119,

  334.      120,  242,  122,  486, 1512,  487,  246,  494,

  335.     1513,  495, 1514, 1515, 1516, 1517, 1518, 1519,

  336.       31 /* 73 elements */

  337.   },

  338.   {

  339.        0,  512,  513,  514,  515,    2,    3,  258,

  340.      259,  260,  261,  262,  263,  264,  265,  266,

  341.      267,  268,  269,  270,  271,  272,  273,  274,

  342.      275,  276,  277,  278,  279,  280,  281,  282,

  343.      283,  284,  285,  286,    1,    5,  287,  288,

  344.      289,  290,    6,    7,  291,  292,  293,  294,

  345.      295,  296,  297,  298,  299,  300,  301,  302,

  346.      303,  304,  305,  306,  307,  308,  309,  310,

  347.      311,  312,  313,  314,  315,  316,  317,  318,

  348.      319 /* 73 elements */

  349.   },

  350.   {

  351.        0,    1,    1,    2,    3,    4,    1,    5,

  352.        4,    3,    5,    8,    6,    9,   10,   11,

  353.       12,    7,  104,   14,  105,    4,   10,   15,

  354.       11,    6,   14,    8,  106,  107,  108,   15,

  355.      109,    9,   55,   10,    1,    2,    1,    2,

  356.        3,   12,    6,    2,    6,    7,   28,    7,

  357.       15,    8,    5,   18,   29,  152,   77,   24,

  358.       25,   26,   39,  108,   13,  109,   55,   56,

  359.       57,  116,   11,  153,  234,  235,  118,  119,

  360.       15 /* 73 elements */

  361.   }

  362. };

  363. static const uint8_t vc9_mv_diff_bits[4][73] = {

  364.   {

  365.      6,  7,  7,  8, 14,  6,  5,  6,  7, 14, 14,  6,  6,  6,  8,  9,

  366.     10,  9,  7,  7,  7, 14, 14, 10,  9, 10,  8, 10, 10, 14, 14, 14,

  367.     13, 13, 13,  6,  3,  5,  6,  8,  9, 13,  5,  4,  4,  5,  7,  9,

  368.      6,  5,  5,  5,  6,  9,  8,  5,  5,  5,  7, 10,  7,  7,  7,  7,

  369.      7,  8, 10,  9,  8,  9,  9,  9,  3 /* 73 elements */

  370.   },

  371.   {

  372.      5,  7,  7,  6,  6,  5,  5,  6,  7,  5,  7,  8,  8,  8, 14,  9,

  373.      9,  9,  8, 14, 14,  9,  9, 14,  9, 14, 14, 14, 14, 14, 14, 14,

  374.     14, 14, 14, 14,  2,  3,  6,  8,  8,  6,  3,  4,  6,  8,  6,  9,

  375.      6,  6,  6,  8,  8,  8, 14,  7,  7,  8,  7,  9, 13,  9,  8,  9,

  376.     13,  9, 13, 13, 13, 13, 13, 13,  5 /* 73 elements */

  377.      

  378.   },

  379.   {

  380.      3, 12, 12, 12, 12,  3,  4, 11, 11, 11, 11, 11, 11, 11, 11, 11,

  381.     11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,

  382.     11, 11, 11, 11,  1,  5, 11, 11, 11, 11,  4,  4, 11, 11, 11, 11,

  383.     11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,

  384.     11, 11, 11, 11, 11, 11, 11, 11, 11 /* 73 elements */

  385.   },

  386.   {

  387.     15, 11, 15, 15, 15, 15, 12, 15, 12, 11, 12, 12, 15, 12, 12, 12,

  388.     12, 15, 15, 12, 15, 10, 11, 12, 11, 10, 11, 10, 15, 15, 15, 11,

  389.     15, 10, 14, 10,  4,  4,  5,  7,  8,  9,  5,  3,  4,  5,  6,  8,

  390.      5,  4,  3,  5,  6,  8,  7,  5,  5,  5,  6,  7,  9,  7,  6,  6,

  391.      6,  7, 10,  8,  8,  8,  7,  7,  4 /* 73 elements */

  392.   }

  393. };

  394. 

  395. /* DC differentials low+hi-mo, p217 are the same as in msmpeg4data .h */

  396. 

  397. /* Scantables/ZZ scan are at 11.9 (p262) and 8.1.1.12 (p10) */

  398. 

  399. #endif /* VC9DATA_H */