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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. /* Set a method for reading VLC in NORM6 bitplane decoding */

  10. #define VLC_NORM6_METH0D    1

  11. 

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

  13. const int16_t vc9_bfraction_lut[23] = {

  14.   420 /*1/2*/, 280 /*1/3*/, 560 /*2/3*/, 210 /*1/4*/,

  15.   630 /*3/4*/, 168 /*1/5*/, 336 /*2/5*/,

  16.   504 /*3/5*/, 672 /*4/5*/, 140 /*1/6*/, 700 /*5/6*/,

  17.   120 /*1/7*/, 240 /*2/7*/, 360 /*3/7*/, 480 /*4/7*/,

  18.   600 /*5/7*/, 720 /*6/7*/, 105 /*1/8*/, 315 /*3/8*/,

  19.   525 /*5/8*/, 735 /*7/8*/,

  20.   -1 /*inv.*/, 0 /*BI fm*/

  21. };

  22. const uint8_t vc9_bfraction_bits[23] = {

  23.     3, 3, 3, 3,

  24.     3, 3, 3,

  25.     7, 7, 7, 7,

  26.     7, 7, 7, 7,

  27.     7, 7, 7, 7,

  28.     7, 7,

  29.     7, 7

  30. };

  31. const uint8_t vc9_bfraction_codes[23] = {

  32.      0,   1,   2,   3,

  33.      4,   5,   6,

  34.    112, 113, 114, 115,

  35.    116, 117, 118, 119,

  36.    120, 121, 122, 123,

  37.    124, 125,

  38.    126, 127

  39. };

  40. 

  41. //Same as H.264

  42. static const AVRational vc9_pixel_aspect[16]={

  43.  {0, 1},

  44.  {1, 1},

  45.  {12, 11},

  46.  {10, 11},

  47.  {16, 11},

  48.  {40, 33},

  49.  {24, 11},

  50.  {20, 11},

  51.  {32, 11},

  52.  {80, 33},

  53.  {18, 11},

  54.  {15, 11},

  55.  {64, 33},

  56.  {160, 99},

  57.  {0, 1},

  58.  {0, 1}

  59. };

  60. 

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

  62. static const uint8_t vc9_imode_codes[7] = {

  63.   0, 2, 1, 3, 1, 2, 3

  64. };

  65. static const uint8_t vc9_imode_bits[7] = {

  66.   4, 2, 3, 2, 4, 3, 3

  67. };

  68. 

  69. /* Normal-2 imode */

  70. static const uint8_t vc9_norm2_codes[4] = {

  71.   0, 4, 5, 3

  72. };

  73. static const uint8_t vc9_norm2_bits[4] = {

  74.   1, 3, 3, 2

  75. };

  76. 

  77. #if VLC_NORM6_METH0D == 1

  78. static const uint16_t vc9_norm6_codes[64] = {

  79. 0x001, 0x002, 0x003, 0x000, 0x004, 0x001, 0x002, 0x047, 0x005, 0x003, 0x004, 0x04B, 0x005, 0x04D, 0x04E, 0x30E, 

  80. 0x006, 0x006, 0x007, 0x053, 0x008, 0x055, 0x056, 0x30D, 0x009, 0x059, 0x05A, 0x30C, 0x05C, 0x30B, 0x30A, 0x037, 

  81. 0x007, 0x00A, 0x00B, 0x043, 0x00C, 0x045, 0x046, 0x309, 0x00D, 0x049, 0x04A, 0x308, 0x04C, 0x307, 0x306, 0x036, 

  82. 0x00E, 0x051, 0x052, 0x305, 0x054, 0x304, 0x303, 0x035, 0x058, 0x302, 0x301, 0x034, 0x300, 0x033, 0x032, 0x007, 

  83. };

  84. 

  85. static const uint8_t vc9_norm6_bits[64] = {

  86.  1,  4,  4,  8,  4,  8,  8, 10,  4,  8,  8, 10,  8, 10, 10, 13, 

  87.  4,  8,  8, 10,  8, 10, 10, 13,  8, 10, 10, 13, 10, 13, 13,  9, 

  88.  4,  8,  8, 10,  8, 10, 10, 13,  8, 10, 10, 13, 10, 13, 13,  9, 

  89.  8, 10, 10, 13, 10, 13, 13,  9, 10, 13, 13,  9, 13,  9,  9,  6,

  90. };

  91. /* Normal-6 imode */

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

  93. { 0,  1, 1        },

  94. { 1,  2, 4        },

  95. { 2,  3, 4        },

  96. { 3,  0, 8        },

  97. { 4,  4, 4        },

  98. { 5,  1, 8        },

  99. { 6,  2, 8        },

  100. { 7,  2, 5,  7, 5 },

  101. { 8,  5, 4        },

  102. { 9,  3, 8        },

  103. {10,  4, 8        },

  104. {11,  2, 5, 11, 5 },

  105. {12,  5, 8        },

  106. {13,  2, 5, 13, 5 },

  107. {14,  2, 5, 14, 5 },

  108. {15,  3, 5, 14, 8 },

  109. {16,  6, 4        },

  110. {17,  6, 8        },

  111. {18,  7, 8        },

  112. {19,  2, 5, 19, 5 },

  113. {20,  8, 8        },

  114. {21,  2, 5, 21, 5 },

  115. {22,  2, 5, 22, 5 },

  116. {23,  3, 5, 13, 8 },

  117. {24,  9, 8        },

  118. {25,  2, 5, 25, 5 },

  119. {26,  2, 5, 26, 5 },

  120. {27,  3, 5, 12, 8 },

  121. {28,  2, 5, 28, 5 },

  122. {29,  3, 5, 11, 8 },

  123. {30,  3, 5, 10, 8 },

  124. {31,  3, 5,  7, 4 },

  125. {32,  7, 4        },

  126. {33, 10, 8        },

  127. {34, 11, 8        },

  128. {35,  2, 5,  3, 5 },

  129. {36, 12, 8        },

  130. {37,  2, 5,  5, 5 },

  131. {38,  2, 5,  6, 5 },

  132. {39,  3, 5,  9, 8 },

  133. {40, 13, 8        },

  134. {41,  2, 5,  9, 5 },

  135. {42,  2, 5, 10, 5 },

  136. {43,  3, 5,  8, 8 },

  137. {44,  2, 5, 12, 5 },

  138. {45,  3, 5,  7, 8 },

  139. {46,  3, 5,  6, 8 },

  140. {47,  3, 5,  6, 4 },

  141. {48, 14, 8        },

  142. {49,  2, 5, 17, 5 },

  143. {50,  2, 5, 18, 5 },

  144. {51,  3, 5,  5, 8 },

  145. {52,  2, 5, 20, 5 },

  146. {53,  3, 5,  4, 8 },

  147. {54,  3, 5,  3, 8 },

  148. {55,  3, 5,  5, 4 },

  149. {56,  2, 5, 24, 5 },

  150. {57,  3, 5,  2, 8 },

  151. {58,  3, 5,  1, 8 },

  152. {59,  3, 5,  4, 4 },

  153. {60,  3, 5,  0, 8 },

  154. {61,  3, 5,  3, 4 },

  155. {62,  3, 5,  2, 4 },

  156. {63,  3, 5,  1, 1 },

  157. };

  158. #endif

  159. 

  160. //Mechanical way, handling sparse/incomplete tables

  161. #if VLC_NORM6_METH0D == 2

  162. //(2,5) is VLC+FLC, (3,5) double VLC

  163. static const uint8_t vc9_norm6_first[24][2] = {

  164.     {  1, 1}, {  2, 4}, {  3, 4}, {  0, 8},

  165.     {  4, 4}, {  1, 8}, {  2, 8}, {  5, 4},

  166.     {  3, 8}, {  4, 8}, {  5, 8}, {  6, 4},

  167.     {  6, 8}, {  7, 8}, {  8, 8}, {  9, 8},

  168.     {  7, 4}, { 10, 8}, { 11, 8}, { 12, 8},

  169.     { 13, 8}, { 14, 8}, {  2, 5}, {  3, 5}

  170. };

  171. 

  172. static const uint8_t vc9_norm6_second[22][2] = {

  173.     { 14, 8}, { 13, 8}, { 12, 8}, { 11, 8},

  174.     { 10, 8}, {  7, 4}, {  9, 8}, {  8, 8},

  175.     {  7, 8}, {  6, 8}, {  6, 4}, {  5, 8},

  176.     {  4, 8}, {  3, 8}, {  5, 4}, {  2, 8},

  177.     {  1, 8}, {  4, 4}, {  0, 8}, {  3, 4},

  178.     {  2, 4}, {  1, 1}

  179. };

  180. static const uint8_t vc9_norm6_flc_val[20] = {

  181.     7, 11, 13, 14, 19, 21, 22, 25,

  182.    26, 28, 35, 37, 38, 41, 42, 44,

  183.    49, 50, 52, 56

  184. };

  185. static const uint8_t vc9_norm6_second_val[22] = {

  186.    15, 23, 27, 29, 30, 31, 39, 43,

  187.    45, 46, 47, 51, 53, 54, 55, 57,

  188.    58, 59, 60, 61, 62, 63

  189. };

  190. #endif

  191. 

  192. /* 4MV Block pattern VLC tables */

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

  194.   { 14, 58, 59, 25, 12, 26, 15, 15, 13, 24, 27,  0, 28,  1,  2,  2},

  195.   {  8, 18, 19,  4, 20,  5, 30, 11, 21, 31,  6, 12,  7, 13, 14,  0},

  196.   { 15,  6,  7,  2,  8,  3, 28,  9, 10, 29,  4, 11,  5, 12, 13,  0},

  197.   {  0, 11, 12,  4, 13,  5, 30, 16, 14, 31,  6, 17,  7, 18, 19, 19}

  198. };

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

  200.   { 5, 6, 6, 5, 5, 5, 5, 4, 5, 5, 5, 3, 5, 3, 3, 2},

  201.   { 4, 5, 5, 4, 5, 4, 5, 4, 5, 5, 4, 4, 4, 4, 4, 2},

  202.   { 4, 4, 4, 4, 4, 4, 5, 4, 4, 5, 4, 4, 4, 4, 4, 3},

  203.   { 2, 4, 4, 4, 4, 4, 5, 5, 4, 5, 4, 5, 4, 5, 5, 4}

  204. };

  205. 

  206. const uint8_t wmv3_dc_scale_table[32]={

  207.     0, 4, 6, 8, 8, 8, 9, 9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,17,17,18,18,19,19,20,20,21,21

  208. };

  209. 

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

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

  212.   {

  213.       0,   1,   1,   4,   5,   1,  12,   4,  13,  14,  10,  11,  12,   7,  13,   2,

  214.      15,   1,  96,   1,  49,  97,   2, 100,   3,   4,   5, 101, 102,  52,  53,   4,

  215.       6,   7,  54, 103,   8,   9,  10, 110,  11,  12, 111,  56, 114,  58, 115,   5,

  216.      13,   7,   8,   9,  10,  11,  12,  30,  13,  14,  15, 118, 119,  62,  63,   3

  217.   },

  218.   {

  219.       0,   1,   2,   1,   3,   1,  16,  17,   5,  18,  12,  19,  13,   1,  28,  58,

  220.       1,   1,   1,   2,   3,   2,   3, 236, 237,   4,   5, 238,   6,   7, 239,   8,

  221.       9, 240,  10,  11, 121, 122,  12,  13,  14,  15, 241, 246,  16,  17, 124,  63,

  222.      18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29,  30,  31, 247, 125

  223.   },

  224.   {

  225.       0,   1,   2,   3,   2,   3,   1,   4,   5,  24,   7,  13,  16,  17,   9,   5,

  226.      25,   1,   1,   1,   2,   3,  96, 194,   1,   2,  98,  99, 195, 200, 101,  26,

  227.     201, 102, 412, 413, 414,  54, 220, 111, 221,   3, 224, 113, 225, 114, 230,  29,

  228.     231, 415, 240,   4, 241, 484,   5, 243,   3, 244, 245, 485, 492, 493, 247,  31

  229.   },

  230.   {

  231.       0,   1,   1,   1,   2,   2,   3,   4,   3,   5,   6,   7,   8,   9,  10,  11,

  232.      12,  13,  14,  15,  16,  17,  18,  19,  20,  21,  22,  23,  24,  25,  26,  27,

  233.      28,  29,  30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,

  234.      44,  45,  46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  28,  29,  30,  31

  235.    }

  236. };

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

  238.   {

  239.     13,  6,  5,  6,  6,  7,  7,  5,  7,  7,  6,  6,  6,  5,  6,  3,

  240.      7,  8,  8, 13,  7,  8, 13,  8, 13, 13, 13,  8,  8,  7,  7,  3,

  241.     13, 13,  7,  8, 13, 13, 13,  8, 13, 13,  8,  7,  8,  7,  8,  3,

  242.     13, 12, 12, 12, 12, 12, 12,  6, 12, 12, 12,  8,  8,  7,  7,  2

  243.   },

  244.   {

  245.     14,  3,  3,  5,  3,  4,  5,  5,  3,  5,  4,  5,  4,  6,  5,  6,

  246.      8, 14, 13,  8,  8, 13, 13,  8,  8, 13, 13,  8, 13, 13,  8, 13,

  247.     13,  8, 13, 13,  7,  7, 13, 13, 13, 13,  8,  8, 13, 13,  7,  6,

  248.     13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,  8,  7

  249.   },

  250.   {

  251.     13,  5,  5,  5,  4,  4,  6,  4,  4,  6,  4,  5,  5,  5,  4,  3,

  252.      6,  8, 10,  9,  8,  8,  7,  8, 13, 13,  7,  7,  8,  8,  7,  5,

  253.      8,  7,  9,  9,  9,  6,  8,  7,  8, 13,  8,  7,  8,  7,  8,  5,

  254.      8,  9,  8, 13,  8,  9, 13,  8, 12,  8,  8,  9,  9,  9,  8,  5

  255.   },

  256.   {

  257.      9,  2,  3,  9,  2,  9,  9,  9,  2,  9,  9,  9,  9,  9,  9,  9,

  258.      9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,

  259.      9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,

  260.      9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  8,  8,  8,  8

  261.   }

  262. };

  263. 

  264. /* MacroBlock Transform Type: 7.1.3.11, p89

  265.  * 8x8:B

  266.  * 8x4:B:btm  8x4:B:top  8x4:B:both,

  267.  * 4x8:B:right  4x8:B:left  4x8:B:both

  268.  * 4x4:B  8x8:MB

  269.  * 8x4:MB:btm  8x4:MB:top  8x4,MB,both

  270.  * 4x8,MB,right  4x8,MB,left

  271.  * 4x4,MB                               */

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

  273.   {

  274.     0x0003,

  275.     0x002E, 0x005F, 0x0000,

  276.     0x0016, 0x0015, 0x0001,

  277.     0x0004, 0x0014,

  278.     0x02F1, 0x0179, 0x017B,

  279.     0x0BC0, 0x0BC1, 0x05E1,

  280.     0x017A

  281.   },

  282.   {

  283.     0x0006,

  284.     0x0006, 0x0003, 0x0007,

  285.     0x000F, 0x000E, 0x0000,

  286.     0x0002, 0x0002,

  287.     0x0014, 0x0011, 0x000B,

  288.     0x0009, 0x0021, 0x0015,

  289.     0x0020

  290.   },

  291.   {

  292.     0x0006,

  293.     0x0000, 0x000E, 0x0005,

  294.     0x0002, 0x0003, 0x0003,

  295.     0x000F, 0x0002,

  296.     0x0081, 0x0021, 0x0009,

  297.     0x0101, 0x0041, 0x0011,

  298.     0x0100

  299.   }

  300. };

  301. 

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

  303.   {

  304.      2,

  305.      6,  7,  2,

  306.      5,  5,  2,

  307.      3,  5,

  308.     10,  9,  9,

  309.     12, 12, 11,

  310.      9

  311.   },

  312.   {

  313.     3,

  314.     4, 4, 4,

  315.     4, 4, 3,

  316.     3, 2,

  317.     7, 7, 6,

  318.     6, 8, 7,

  319.     8

  320.   },

  321.   {

  322.      3,

  323.      3, 4, 5,

  324.      3, 3, 4,

  325.      4, 2,

  326.     10, 8, 6,

  327.     11, 9, 7,

  328.     11

  329.   }

  330. };  

  331. 

  332. 

  333. /* MV differential tables, p265 */

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

  335.   {

  336.        0,    2,    3,    8,  576,    3,    2,    6,

  337.        5,  577,  578,    7,    8,    9,   40,   19,

  338.       37,   82,   21,   22,   23,  579,  580,  166,

  339.       96,  167,   49,  194,  195,  581,  582,  583,

  340.      292,  293,  294,   13,    2,    7,   24,   50,

  341.      102,  295,   13,    7,    8,   18,   50,  103,

  342.       38,   20,   21,   22,   39,  204,  103,   23,

  343.       24,   25,  104,  410,  105,  106,  107,  108,

  344.      109,  220,  411,  442,  222,  443,  446,  447,

  345.        7 /* 73 elements */

  346.   },

  347.   {

  348.        0,    4,    5,    3,    4,    3,    4,    5,

  349.       20,    6,   21,   44,   45,   46, 3008,   95,

  350.      112,  113,   57, 3009, 3010,  116,  117, 3011,

  351.      118, 3012, 3013, 3014, 3015, 3016, 3017, 3018,

  352.     3019, 3020, 3021, 3022,    1,    4,   15,  160,

  353.      161,   41,    6,   11,   42,  162,   43,  119,

  354.       56,   57,   58,  163,  236,  237, 3023,  119,

  355.      120,  242,  122,  486, 1512,  487,  246,  494,

  356.     1513,  495, 1514, 1515, 1516, 1517, 1518, 1519,

  357.       31 /* 73 elements */

  358.   },

  359.   {

  360.        0,  512,  513,  514,  515,    2,    3,  258,

  361.      259,  260,  261,  262,  263,  264,  265,  266,

  362.      267,  268,  269,  270,  271,  272,  273,  274,

  363.      275,  276,  277,  278,  279,  280,  281,  282,

  364.      283,  284,  285,  286,    1,    5,  287,  288,

  365.      289,  290,    6,    7,  291,  292,  293,  294,

  366.      295,  296,  297,  298,  299,  300,  301,  302,

  367.      303,  304,  305,  306,  307,  308,  309,  310,

  368.      311,  312,  313,  314,  315,  316,  317,  318,

  369.      319 /* 73 elements */

  370.   },

  371.   {

  372.        0,    1,    1,    2,    3,    4,    1,    5,

  373.        4,    3,    5,    8,    6,    9,   10,   11,

  374.       12,    7,  104,   14,  105,    4,   10,   15,

  375.       11,    6,   14,    8,  106,  107,  108,   15,

  376.      109,    9,   55,   10,    1,    2,    1,    2,

  377.        3,   12,    6,    2,    6,    7,   28,    7,

  378.       15,    8,    5,   18,   29,  152,   77,   24,

  379.       25,   26,   39,  108,   13,  109,   55,   56,

  380.       57,  116,   11,  153,  234,  235,  118,  119,

  381.       15 /* 73 elements */

  382.   }

  383. };

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

  385.   {

  386.      6,  7,  7,  8, 14,  6,  5,  6,  7, 14, 14,  6,  6,  6,  8,  9,

  387.     10,  9,  7,  7,  7, 14, 14, 10,  9, 10,  8, 10, 10, 14, 14, 14,

  388.     13, 13, 13,  6,  3,  5,  6,  8,  9, 13,  5,  4,  4,  5,  7,  9,

  389.      6,  5,  5,  5,  6,  9,  8,  5,  5,  5,  7, 10,  7,  7,  7,  7,

  390.      7,  8, 10,  9,  8,  9,  9,  9,  3 /* 73 elements */

  391.   },

  392.   {

  393.      5,  7,  7,  6,  6,  5,  5,  6,  7,  5,  7,  8,  8,  8, 14,  9,

  394.      9,  9,  8, 14, 14,  9,  9, 14,  9, 14, 14, 14, 14, 14, 14, 14,

  395.     14, 14, 14, 14,  2,  3,  6,  8,  8,  6,  3,  4,  6,  8,  6,  9,

  396.      6,  6,  6,  8,  8,  8, 14,  7,  7,  8,  7,  9, 13,  9,  8,  9,

  397.     13,  9, 13, 13, 13, 13, 13, 13,  5 /* 73 elements */

  398.      

  399.   },

  400.   {

  401.      3, 12, 12, 12, 12,  3,  4, 11, 11, 11, 11, 11, 11, 11, 11, 11,

  402.     11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,

  403.     11, 11, 11, 11,  1,  5, 11, 11, 11, 11,  4,  4, 11, 11, 11, 11,

  404.     11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,

  405.     11, 11, 11, 11, 11, 11, 11, 11, 11 /* 73 elements */

  406.   },

  407.   {

  408.     15, 11, 15, 15, 15, 15, 12, 15, 12, 11, 12, 12, 15, 12, 12, 12,

  409.     12, 15, 15, 12, 15, 10, 11, 12, 11, 10, 11, 10, 15, 15, 15, 11,

  410.     15, 10, 14, 10,  4,  4,  5,  7,  8,  9,  5,  3,  4,  5,  6,  8,

  411.      5,  4,  3,  5,  6,  8,  7,  5,  5,  5,  6,  7,  9,  7,  6,  6,

  412.      6,  7, 10,  8,  8,  8,  7,  7,  4 /* 73 elements */

  413.   }

  414. };

  415. 

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

  417. 

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

  419. 

  420. #endif /* VC9DATA_H */