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FFmpeg/libavcodec/h263data.h

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  1. /**

  2.  * @file h263data.h

  3.  * H.263 tables.

  4.  */

  5. 

  6. 

  7. /* intra MCBPC, mb_type = (intra), then (intraq) */

  8. const uint8_t intra_MCBPC_code[8] = { 1, 1, 2, 3, 1, 1, 2, 3 };

  9. const uint8_t intra_MCBPC_bits[8] = { 1, 3, 3, 3, 4, 6, 6, 6 };

  10. 

  11. /* inter MCBPC, mb_type = (inter), (intra), (interq), (intraq), (inter4v) */

  12. /* Changed the tables for interq and inter4v+q, following the standard ** Juanjo ** */

  13. const uint8_t inter_MCBPC_code[25] = { 

  14.     1, 3, 2, 5, 

  15.     3, 4, 3, 3, 

  16.     3, 7, 6, 5,

  17.     4, 4, 3, 2,

  18.     2, 5, 4, 5,

  19.     1, /* Stuffing */

  20.     2, 12, 14, 15,

  21. };

  22. const uint8_t inter_MCBPC_bits[25] = { 

  23.     1, 4, 4, 6, 

  24.     5, 8, 8, 7,

  25.     3, 7, 7, 9,

  26.     6, 9, 9, 9,

  27.     3, 7, 7, 8,

  28.     9, /* Stuffing */

  29.     11, 13, 13, 13,

  30. };

  31. 

  32. /* This is the old table 

  33. static const uint8_t inter_MCBPC_code[20] = { 

  34.     1, 3, 2, 5, 

  35.     3, 4, 3, 3, 

  36.     0, 1, 2, 3,

  37.     4, 4, 3, 2,

  38.     2, 5, 4, 5,

  39. };

  40. static const uint8_t inter_MCBPC_bits[20] = { 

  41.     1, 4, 4, 6, 

  42.     5, 8, 8, 7,

  43.     12, 12, 12, 12,

  44.     6, 9, 9, 9,

  45.     3, 7, 7, 8,

  46. };*/

  47. 

  48. const uint8_t cbpy_tab[16][2] =

  49. {

  50.   {3,4}, {5,5}, {4,5}, {9,4}, {3,5}, {7,4}, {2,6}, {11,4},

  51.   {2,5}, {3,6}, {5,4}, {10,4}, {4,4}, {8,4}, {6,4}, {3,2}

  52. };

  53. 

  54. const uint8_t mvtab[33][2] =

  55. {

  56.   {1,1}, {1,2}, {1,3}, {1,4}, {3,6}, {5,7}, {4,7}, {3,7},

  57.   {11,9}, {10,9}, {9,9}, {17,10}, {16,10}, {15,10}, {14,10}, {13,10},

  58.   {12,10}, {11,10}, {10,10}, {9,10}, {8,10}, {7,10}, {6,10}, {5,10},

  59.   {4,10}, {7,11}, {6,11}, {5,11}, {4,11}, {3,11}, {2,11}, {3,12},

  60.   {2,12}

  61. };

  62. 

  63. /* third non intra table */

  64. const uint16_t inter_vlc[103][2] = {

  65. { 0x2, 2 },{ 0xf, 4 },{ 0x15, 6 },{ 0x17, 7 },

  66. { 0x1f, 8 },{ 0x25, 9 },{ 0x24, 9 },{ 0x21, 10 },

  67. { 0x20, 10 },{ 0x7, 11 },{ 0x6, 11 },{ 0x20, 11 },

  68. { 0x6, 3 },{ 0x14, 6 },{ 0x1e, 8 },{ 0xf, 10 },

  69. { 0x21, 11 },{ 0x50, 12 },{ 0xe, 4 },{ 0x1d, 8 },

  70. { 0xe, 10 },{ 0x51, 12 },{ 0xd, 5 },{ 0x23, 9 },

  71. { 0xd, 10 },{ 0xc, 5 },{ 0x22, 9 },{ 0x52, 12 },

  72. { 0xb, 5 },{ 0xc, 10 },{ 0x53, 12 },{ 0x13, 6 },

  73. { 0xb, 10 },{ 0x54, 12 },{ 0x12, 6 },{ 0xa, 10 },

  74. { 0x11, 6 },{ 0x9, 10 },{ 0x10, 6 },{ 0x8, 10 },

  75. { 0x16, 7 },{ 0x55, 12 },{ 0x15, 7 },{ 0x14, 7 },

  76. { 0x1c, 8 },{ 0x1b, 8 },{ 0x21, 9 },{ 0x20, 9 },

  77. { 0x1f, 9 },{ 0x1e, 9 },{ 0x1d, 9 },{ 0x1c, 9 },

  78. { 0x1b, 9 },{ 0x1a, 9 },{ 0x22, 11 },{ 0x23, 11 },

  79. { 0x56, 12 },{ 0x57, 12 },{ 0x7, 4 },{ 0x19, 9 },

  80. { 0x5, 11 },{ 0xf, 6 },{ 0x4, 11 },{ 0xe, 6 },

  81. { 0xd, 6 },{ 0xc, 6 },{ 0x13, 7 },{ 0x12, 7 },

  82. { 0x11, 7 },{ 0x10, 7 },{ 0x1a, 8 },{ 0x19, 8 },

  83. { 0x18, 8 },{ 0x17, 8 },{ 0x16, 8 },{ 0x15, 8 },

  84. { 0x14, 8 },{ 0x13, 8 },{ 0x18, 9 },{ 0x17, 9 },

  85. { 0x16, 9 },{ 0x15, 9 },{ 0x14, 9 },{ 0x13, 9 },

  86. { 0x12, 9 },{ 0x11, 9 },{ 0x7, 10 },{ 0x6, 10 },

  87. { 0x5, 10 },{ 0x4, 10 },{ 0x24, 11 },{ 0x25, 11 },

  88. { 0x26, 11 },{ 0x27, 11 },{ 0x58, 12 },{ 0x59, 12 },

  89. { 0x5a, 12 },{ 0x5b, 12 },{ 0x5c, 12 },{ 0x5d, 12 },

  90. { 0x5e, 12 },{ 0x5f, 12 },{ 0x3, 7 },

  91. };

  92. 

  93. const int8_t inter_level[102] = {

  94.   1,  2,  3,  4,  5,  6,  7,  8,

  95.   9, 10, 11, 12,  1,  2,  3,  4,

  96.   5,  6,  1,  2,  3,  4,  1,  2,

  97.   3,  1,  2,  3,  1,  2,  3,  1,

  98.   2,  3,  1,  2,  1,  2,  1,  2,

  99.   1,  2,  1,  1,  1,  1,  1,  1,

  100.   1,  1,  1,  1,  1,  1,  1,  1,

  101.   1,  1,  1,  2,  3,  1,  2,  1,

  102.   1,  1,  1,  1,  1,  1,  1,  1,

  103.   1,  1,  1,  1,  1,  1,  1,  1,

  104.   1,  1,  1,  1,  1,  1,  1,  1,

  105.   1,  1,  1,  1,  1,  1,  1,  1,

  106.   1,  1,  1,  1,  1,  1,

  107. };

  108. 

  109. const int8_t inter_run[102] = {

  110.   0,  0,  0,  0,  0,  0,  0,  0,

  111.   0,  0,  0,  0,  1,  1,  1,  1,

  112.   1,  1,  2,  2,  2,  2,  3,  3,

  113.   3,  4,  4,  4,  5,  5,  5,  6,

  114.   6,  6,  7,  7,  8,  8,  9,  9,

  115.  10, 10, 11, 12, 13, 14, 15, 16,

  116.  17, 18, 19, 20, 21, 22, 23, 24,

  117.  25, 26,  0,  0,  0,  1,  1,  2,

  118.   3,  4,  5,  6,  7,  8,  9, 10,

  119.  11, 12, 13, 14, 15, 16, 17, 18,

  120.  19, 20, 21, 22, 23, 24, 25, 26,

  121.  27, 28, 29, 30, 31, 32, 33, 34,

  122.  35, 36, 37, 38, 39, 40,

  123. };

  124. 

  125. static RLTable rl_inter = {

  126.     102,

  127.     58,

  128.     inter_vlc,

  129.     inter_run,

  130.     inter_level,

  131. };

  132. 

  133. const uint16_t intra_vlc_aic[103][2] = {

  134. {  0x2,  2 }, {  0x6,  3 }, {  0xe,  4 }, {  0xc,  5 }, 

  135. {  0xd,  5 }, { 0x10,  6 }, { 0x11,  6 }, { 0x12,  6 }, 

  136. { 0x16,  7 }, { 0x1b,  8 }, { 0x20,  9 }, { 0x21,  9 }, 

  137. { 0x1a,  9 }, { 0x1b,  9 }, { 0x1c,  9 }, { 0x1d,  9 }, 

  138. { 0x1e,  9 }, { 0x1f,  9 }, { 0x23, 11 }, { 0x22, 11 }, 

  139. { 0x57, 12 }, { 0x56, 12 }, { 0x55, 12 }, { 0x54, 12 }, 

  140. { 0x53, 12 }, {  0xf,  4 }, { 0x14,  6 }, { 0x14,  7 }, 

  141. { 0x1e,  8 }, {  0xf, 10 }, { 0x21, 11 }, { 0x50, 12 }, 

  142. {  0xb,  5 }, { 0x15,  7 }, {  0xe, 10 }, {  0x9, 10 }, 

  143. { 0x15,  6 }, { 0x1d,  8 }, {  0xd, 10 }, { 0x51, 12 }, 

  144. { 0x13,  6 }, { 0x23,  9 }, {  0x7, 11 }, { 0x17,  7 }, 

  145. { 0x22,  9 }, { 0x52, 12 }, { 0x1c,  8 }, {  0xc, 10 }, 

  146. { 0x1f,  8 }, {  0xb, 10 }, { 0x25,  9 }, {  0xa, 10 }, 

  147. { 0x24,  9 }, {  0x6, 11 }, { 0x21, 10 }, { 0x20, 10 }, 

  148. {  0x8, 10 }, { 0x20, 11 }, {  0x7,  4 }, {  0xc,  6 }, 

  149. { 0x10,  7 }, { 0x13,  8 }, { 0x11,  9 }, { 0x12,  9 }, 

  150. {  0x4, 10 }, { 0x27, 11 }, { 0x26, 11 }, { 0x5f, 12 }, 

  151. {  0xf,  6 }, { 0x13,  9 }, {  0x5, 10 }, { 0x25, 11 }, 

  152. {  0xe,  6 }, { 0x14,  9 }, { 0x24, 11 }, {  0xd,  6 }, 

  153. {  0x6, 10 }, { 0x5e, 12 }, { 0x11,  7 }, {  0x7, 10 }, 

  154. { 0x13,  7 }, { 0x5d, 12 }, { 0x12,  7 }, { 0x5c, 12 }, 

  155. { 0x14,  8 }, { 0x5b, 12 }, { 0x15,  8 }, { 0x1a,  8 }, 

  156. { 0x19,  8 }, { 0x18,  8 }, { 0x17,  8 }, { 0x16,  8 }, 

  157. { 0x19,  9 }, { 0x15,  9 }, { 0x16,  9 }, { 0x18,  9 }, 

  158. { 0x17,  9 }, {  0x4, 11 }, {  0x5, 11 }, { 0x58, 12 }, 

  159. { 0x59, 12 }, { 0x5a, 12 }, {  0x3,  7 },

  160. };

  161. 

  162. const int8_t intra_run_aic[102] = {

  163.  0,  0,  0,  0,  0,  0,  0,  0, 

  164.  0,  0,  0,  0,  0,  0,  0,  0, 

  165.  0,  0,  0,  0,  0,  0,  0,  0, 

  166.  0,  1,  1,  1,  1,  1,  1,  1, 

  167.  2,  2,  2,  2,  3,  3,  3,  3, 

  168.  4,  4,  4,  5,  5,  5,  6,  6, 

  169.  7,  7,  8,  8,  9,  9, 10, 11, 

  170. 12, 13,  0,  0,  0,  0,  0,  0, 

  171.  0,  0,  0,  0,  1,  1,  1,  1, 

  172.  2,  2,  2,  3,  3,  3,  4,  4, 

  173.  5,  5,  6,  6,  7,  7,  8,  9, 

  174. 10, 11, 12, 13, 14, 15, 16, 17, 

  175. 18, 19, 20, 21, 22, 23, 

  176. };

  177. 

  178. const int8_t intra_level_aic[102] = {

  179.  1,  2,  3,  4,  5,  6,  7,  8, 

  180.  9, 10, 11, 12, 13, 14, 15, 16, 

  181. 17, 18, 19, 20, 21, 22, 23, 24, 

  182. 25,  1,  2,  3,  4,  5,  6,  7, 

  183.  1,  2,  3,  4,  1,  2,  3,  4, 

  184.  1,  2,  3,  1,  2,  3,  1,  2, 

  185.  1,  2,  1,  2,  1,  2,  1,  1, 

  186.  1,  1,  1,  2,  3,  4,  5,  6, 

  187.  7,  8,  9, 10,  1,  2,  3,  4, 

  188.  1,  2,  3,  1,  2,  3,  1,  2, 

  189.  1,  2,  1,  2,  1,  2,  1,  1, 

  190.  1,  1,  1,  1,  1,  1,  1,  1, 

  191.  1,  1,  1,  1,  1,  1,

  192. };

  193. 

  194. static RLTable rl_intra_aic = {

  195.     102,

  196.     58,

  197.     intra_vlc_aic,

  198.     intra_run_aic,

  199.     intra_level_aic,

  200. };

  201. 

  202. static const uint16_t h263_format[8][2] = {

  203.     { 0, 0 },

  204.     { 128, 96 },

  205.     { 176, 144 },

  206.     { 352, 288 },

  207.     { 704, 576 },

  208.     { 1408, 1152 },

  209. };

  210. 

  211. static uint8_t h263_aic_dc_scale_table[32]={

  212. //  0  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

  213.     0, 2, 4, 6, 8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,62

  214. };