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  1. /**
  2. * @file h263data.h
  3. * H.263 tables.
  4. */
  5. /* intra MCBPC, mb_type = (intra), then (intraq) */
  6. const uint8_t intra_MCBPC_code[8] = { 1, 1, 2, 3, 1, 1, 2, 3 };
  7. const uint8_t intra_MCBPC_bits[8] = { 1, 3, 3, 3, 4, 6, 6, 6 };
  8. /* inter MCBPC, mb_type = (inter), (intra), (interq), (intraq), (inter4v) */
  9. /* Changed the tables for interq and inter4v+q, following the standard ** Juanjo ** */
  10. const uint8_t inter_MCBPC_code[25] = {
  11. 1, 3, 2, 5,
  12. 3, 4, 3, 3,
  13. 3, 7, 6, 5,
  14. 4, 4, 3, 2,
  15. 2, 5, 4, 5,
  16. 1, /* Stuffing */
  17. 2, 12, 14, 15,
  18. };
  19. const uint8_t inter_MCBPC_bits[25] = {
  20. 1, 4, 4, 6,
  21. 5, 8, 8, 7,
  22. 3, 7, 7, 9,
  23. 6, 9, 9, 9,
  24. 3, 7, 7, 8,
  25. 9, /* Stuffing */
  26. 11, 13, 13, 13,
  27. };
  28. /* This is the old table
  29. static const uint8_t inter_MCBPC_code[20] = {
  30. 1, 3, 2, 5,
  31. 3, 4, 3, 3,
  32. 0, 1, 2, 3,
  33. 4, 4, 3, 2,
  34. 2, 5, 4, 5,
  35. };
  36. static const uint8_t inter_MCBPC_bits[20] = {
  37. 1, 4, 4, 6,
  38. 5, 8, 8, 7,
  39. 12, 12, 12, 12,
  40. 6, 9, 9, 9,
  41. 3, 7, 7, 8,
  42. };*/
  43. const uint8_t cbpy_tab[16][2] =
  44. {
  45. {3,4}, {5,5}, {4,5}, {9,4}, {3,5}, {7,4}, {2,6}, {11,4},
  46. {2,5}, {3,6}, {5,4}, {10,4}, {4,4}, {8,4}, {6,4}, {3,2}
  47. };
  48. const uint8_t mvtab[33][2] =
  49. {
  50. {1,1}, {1,2}, {1,3}, {1,4}, {3,6}, {5,7}, {4,7}, {3,7},
  51. {11,9}, {10,9}, {9,9}, {17,10}, {16,10}, {15,10}, {14,10}, {13,10},
  52. {12,10}, {11,10}, {10,10}, {9,10}, {8,10}, {7,10}, {6,10}, {5,10},
  53. {4,10}, {7,11}, {6,11}, {5,11}, {4,11}, {3,11}, {2,11}, {3,12},
  54. {2,12}
  55. };
  56. /* third non intra table */
  57. const uint16_t inter_vlc[103][2] = {
  58. { 0x2, 2 },{ 0xf, 4 },{ 0x15, 6 },{ 0x17, 7 },
  59. { 0x1f, 8 },{ 0x25, 9 },{ 0x24, 9 },{ 0x21, 10 },
  60. { 0x20, 10 },{ 0x7, 11 },{ 0x6, 11 },{ 0x20, 11 },
  61. { 0x6, 3 },{ 0x14, 6 },{ 0x1e, 8 },{ 0xf, 10 },
  62. { 0x21, 11 },{ 0x50, 12 },{ 0xe, 4 },{ 0x1d, 8 },
  63. { 0xe, 10 },{ 0x51, 12 },{ 0xd, 5 },{ 0x23, 9 },
  64. { 0xd, 10 },{ 0xc, 5 },{ 0x22, 9 },{ 0x52, 12 },
  65. { 0xb, 5 },{ 0xc, 10 },{ 0x53, 12 },{ 0x13, 6 },
  66. { 0xb, 10 },{ 0x54, 12 },{ 0x12, 6 },{ 0xa, 10 },
  67. { 0x11, 6 },{ 0x9, 10 },{ 0x10, 6 },{ 0x8, 10 },
  68. { 0x16, 7 },{ 0x55, 12 },{ 0x15, 7 },{ 0x14, 7 },
  69. { 0x1c, 8 },{ 0x1b, 8 },{ 0x21, 9 },{ 0x20, 9 },
  70. { 0x1f, 9 },{ 0x1e, 9 },{ 0x1d, 9 },{ 0x1c, 9 },
  71. { 0x1b, 9 },{ 0x1a, 9 },{ 0x22, 11 },{ 0x23, 11 },
  72. { 0x56, 12 },{ 0x57, 12 },{ 0x7, 4 },{ 0x19, 9 },
  73. { 0x5, 11 },{ 0xf, 6 },{ 0x4, 11 },{ 0xe, 6 },
  74. { 0xd, 6 },{ 0xc, 6 },{ 0x13, 7 },{ 0x12, 7 },
  75. { 0x11, 7 },{ 0x10, 7 },{ 0x1a, 8 },{ 0x19, 8 },
  76. { 0x18, 8 },{ 0x17, 8 },{ 0x16, 8 },{ 0x15, 8 },
  77. { 0x14, 8 },{ 0x13, 8 },{ 0x18, 9 },{ 0x17, 9 },
  78. { 0x16, 9 },{ 0x15, 9 },{ 0x14, 9 },{ 0x13, 9 },
  79. { 0x12, 9 },{ 0x11, 9 },{ 0x7, 10 },{ 0x6, 10 },
  80. { 0x5, 10 },{ 0x4, 10 },{ 0x24, 11 },{ 0x25, 11 },
  81. { 0x26, 11 },{ 0x27, 11 },{ 0x58, 12 },{ 0x59, 12 },
  82. { 0x5a, 12 },{ 0x5b, 12 },{ 0x5c, 12 },{ 0x5d, 12 },
  83. { 0x5e, 12 },{ 0x5f, 12 },{ 0x3, 7 },
  84. };
  85. const int8_t inter_level[102] = {
  86. 1, 2, 3, 4, 5, 6, 7, 8,
  87. 9, 10, 11, 12, 1, 2, 3, 4,
  88. 5, 6, 1, 2, 3, 4, 1, 2,
  89. 3, 1, 2, 3, 1, 2, 3, 1,
  90. 2, 3, 1, 2, 1, 2, 1, 2,
  91. 1, 2, 1, 1, 1, 1, 1, 1,
  92. 1, 1, 1, 1, 1, 1, 1, 1,
  93. 1, 1, 1, 2, 3, 1, 2, 1,
  94. 1, 1, 1, 1, 1, 1, 1, 1,
  95. 1, 1, 1, 1, 1, 1, 1, 1,
  96. 1, 1, 1, 1, 1, 1, 1, 1,
  97. 1, 1, 1, 1, 1, 1, 1, 1,
  98. 1, 1, 1, 1, 1, 1,
  99. };
  100. const int8_t inter_run[102] = {
  101. 0, 0, 0, 0, 0, 0, 0, 0,
  102. 0, 0, 0, 0, 1, 1, 1, 1,
  103. 1, 1, 2, 2, 2, 2, 3, 3,
  104. 3, 4, 4, 4, 5, 5, 5, 6,
  105. 6, 6, 7, 7, 8, 8, 9, 9,
  106. 10, 10, 11, 12, 13, 14, 15, 16,
  107. 17, 18, 19, 20, 21, 22, 23, 24,
  108. 25, 26, 0, 0, 0, 1, 1, 2,
  109. 3, 4, 5, 6, 7, 8, 9, 10,
  110. 11, 12, 13, 14, 15, 16, 17, 18,
  111. 19, 20, 21, 22, 23, 24, 25, 26,
  112. 27, 28, 29, 30, 31, 32, 33, 34,
  113. 35, 36, 37, 38, 39, 40,
  114. };
  115. static RLTable rl_inter = {
  116. 102,
  117. 58,
  118. inter_vlc,
  119. inter_run,
  120. inter_level,
  121. };
  122. const uint16_t intra_vlc_aic[103][2] = {
  123. { 0x2, 2 }, { 0x6, 3 }, { 0xe, 4 }, { 0xc, 5 },
  124. { 0xd, 5 }, { 0x10, 6 }, { 0x11, 6 }, { 0x12, 6 },
  125. { 0x16, 7 }, { 0x1b, 8 }, { 0x20, 9 }, { 0x21, 9 },
  126. { 0x1a, 9 }, { 0x1b, 9 }, { 0x1c, 9 }, { 0x1d, 9 },
  127. { 0x1e, 9 }, { 0x1f, 9 }, { 0x23, 11 }, { 0x22, 11 },
  128. { 0x57, 12 }, { 0x56, 12 }, { 0x55, 12 }, { 0x54, 12 },
  129. { 0x53, 12 }, { 0xf, 4 }, { 0x14, 6 }, { 0x14, 7 },
  130. { 0x1e, 8 }, { 0xf, 10 }, { 0x21, 11 }, { 0x50, 12 },
  131. { 0xb, 5 }, { 0x15, 7 }, { 0xe, 10 }, { 0x9, 10 },
  132. { 0x15, 6 }, { 0x1d, 8 }, { 0xd, 10 }, { 0x51, 12 },
  133. { 0x13, 6 }, { 0x23, 9 }, { 0x7, 11 }, { 0x17, 7 },
  134. { 0x22, 9 }, { 0x52, 12 }, { 0x1c, 8 }, { 0xc, 10 },
  135. { 0x1f, 8 }, { 0xb, 10 }, { 0x25, 9 }, { 0xa, 10 },
  136. { 0x24, 9 }, { 0x6, 11 }, { 0x21, 10 }, { 0x20, 10 },
  137. { 0x8, 10 }, { 0x20, 11 }, { 0x7, 4 }, { 0xc, 6 },
  138. { 0x10, 7 }, { 0x13, 8 }, { 0x11, 9 }, { 0x12, 9 },
  139. { 0x4, 10 }, { 0x27, 11 }, { 0x26, 11 }, { 0x5f, 12 },
  140. { 0xf, 6 }, { 0x13, 9 }, { 0x5, 10 }, { 0x25, 11 },
  141. { 0xe, 6 }, { 0x14, 9 }, { 0x24, 11 }, { 0xd, 6 },
  142. { 0x6, 10 }, { 0x5e, 12 }, { 0x11, 7 }, { 0x7, 10 },
  143. { 0x13, 7 }, { 0x5d, 12 }, { 0x12, 7 }, { 0x5c, 12 },
  144. { 0x14, 8 }, { 0x5b, 12 }, { 0x15, 8 }, { 0x1a, 8 },
  145. { 0x19, 8 }, { 0x18, 8 }, { 0x17, 8 }, { 0x16, 8 },
  146. { 0x19, 9 }, { 0x15, 9 }, { 0x16, 9 }, { 0x18, 9 },
  147. { 0x17, 9 }, { 0x4, 11 }, { 0x5, 11 }, { 0x58, 12 },
  148. { 0x59, 12 }, { 0x5a, 12 }, { 0x3, 7 },
  149. };
  150. const int8_t intra_run_aic[102] = {
  151. 0, 0, 0, 0, 0, 0, 0, 0,
  152. 0, 0, 0, 0, 0, 0, 0, 0,
  153. 0, 0, 0, 0, 0, 0, 0, 0,
  154. 0, 1, 1, 1, 1, 1, 1, 1,
  155. 2, 2, 2, 2, 3, 3, 3, 3,
  156. 4, 4, 4, 5, 5, 5, 6, 6,
  157. 7, 7, 8, 8, 9, 9, 10, 11,
  158. 12, 13, 0, 0, 0, 0, 0, 0,
  159. 0, 0, 0, 0, 1, 1, 1, 1,
  160. 2, 2, 2, 3, 3, 3, 4, 4,
  161. 5, 5, 6, 6, 7, 7, 8, 9,
  162. 10, 11, 12, 13, 14, 15, 16, 17,
  163. 18, 19, 20, 21, 22, 23,
  164. };
  165. const int8_t intra_level_aic[102] = {
  166. 1, 2, 3, 4, 5, 6, 7, 8,
  167. 9, 10, 11, 12, 13, 14, 15, 16,
  168. 17, 18, 19, 20, 21, 22, 23, 24,
  169. 25, 1, 2, 3, 4, 5, 6, 7,
  170. 1, 2, 3, 4, 1, 2, 3, 4,
  171. 1, 2, 3, 1, 2, 3, 1, 2,
  172. 1, 2, 1, 2, 1, 2, 1, 1,
  173. 1, 1, 1, 2, 3, 4, 5, 6,
  174. 7, 8, 9, 10, 1, 2, 3, 4,
  175. 1, 2, 3, 1, 2, 3, 1, 2,
  176. 1, 2, 1, 2, 1, 2, 1, 1,
  177. 1, 1, 1, 1, 1, 1, 1, 1,
  178. 1, 1, 1, 1, 1, 1,
  179. };
  180. static RLTable rl_intra_aic = {
  181. 102,
  182. 58,
  183. intra_vlc_aic,
  184. intra_run_aic,
  185. intra_level_aic,
  186. };
  187. static const uint16_t h263_format[8][2] = {
  188. { 0, 0 },
  189. { 128, 96 },
  190. { 176, 144 },
  191. { 352, 288 },
  192. { 704, 576 },
  193. { 1408, 1152 },
  194. };
  195. static uint8_t h263_aic_dc_scale_table[32]={
  196. // 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
  197. 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
  198. };