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FFmpeg/libavcodec/mpeg4data.h

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  1. /**

  2.  * @file mpeg4data.h

  3.  * mpeg4 tables.

  4.  */

  5. 

  6. // shapes

  7. #define RECT_SHAPE       0

  8. #define BIN_SHAPE        1

  9. #define BIN_ONLY_SHAPE   2

  10. #define GRAY_SHAPE       3

  11. 

  12. #define SIMPLE_VO_TYPE             1

  13. #define CORE_VO_TYPE               3

  14. #define MAIN_VO_TYPE               4

  15. #define NBIT_VO_TYPE               5

  16. #define ARTS_VO_TYPE               10

  17. #define ACE_VO_TYPE                12

  18. #define ADV_SIMPLE_VO_TYPE         17

  19. 

  20. // aspect_ratio_info

  21. #define EXTENDED_PAR 15

  22. 

  23. //vol_sprite_usage / sprite_enable

  24. #define STATIC_SPRITE 1

  25. #define GMC_SPRITE 2

  26. 

  27. #define MOTION_MARKER 0x1F001

  28. #define DC_MARKER     0x6B001

  29. 

  30. #define MB_TYPE_B_DIRECT 0

  31. #define MB_TYPE_B_BIDIR  1

  32. #define MB_TYPE_B_BACKW  2

  33. #define MB_TYPE_B_FORW   3

  34. 

  35. #define VOS_STARTCODE        0x1B0

  36. #define USER_DATA_STARTCODE  0x1B2

  37. #define GOP_STARTCODE        0x1B3

  38. #define VISUAL_OBJ_STARTCODE 0x1B5

  39. #define VOP_STARTCODE        0x1B6

  40. 

  41. /* dc encoding for mpeg4 */

  42. const uint8_t DCtab_lum[13][2] =

  43. {

  44.     {3,3}, {3,2}, {2,2}, {2,3}, {1,3}, {1,4}, {1,5}, {1,6}, {1,7},

  45.     {1,8}, {1,9}, {1,10}, {1,11},

  46. }; 

  47. 

  48. const uint8_t DCtab_chrom[13][2] =

  49. {

  50.     {3,2}, {2,2}, {1,2}, {1,3}, {1,4}, {1,5}, {1,6}, {1,7}, {1,8},

  51.     {1,9}, {1,10}, {1,11}, {1,12},

  52. }; 

  53. 

  54. const uint16_t intra_vlc[103][2] = {

  55. { 0x2, 2 },

  56. { 0x6, 3 },{ 0xf, 4 },{ 0xd, 5 },{ 0xc, 5 },

  57. { 0x15, 6 },{ 0x13, 6 },{ 0x12, 6 },{ 0x17, 7 },

  58. { 0x1f, 8 },{ 0x1e, 8 },{ 0x1d, 8 },{ 0x25, 9 },

  59. { 0x24, 9 },{ 0x23, 9 },{ 0x21, 9 },{ 0x21, 10 },

  60. { 0x20, 10 },{ 0xf, 10 },{ 0xe, 10 },{ 0x7, 11 },

  61. { 0x6, 11 },{ 0x20, 11 },{ 0x21, 11 },{ 0x50, 12 },

  62. { 0x51, 12 },{ 0x52, 12 },{ 0xe, 4 },{ 0x14, 6 },

  63. { 0x16, 7 },{ 0x1c, 8 },{ 0x20, 9 },{ 0x1f, 9 },

  64. { 0xd, 10 },{ 0x22, 11 },{ 0x53, 12 },{ 0x55, 12 },

  65. { 0xb, 5 },{ 0x15, 7 },{ 0x1e, 9 },{ 0xc, 10 },

  66. { 0x56, 12 },{ 0x11, 6 },{ 0x1b, 8 },{ 0x1d, 9 },

  67. { 0xb, 10 },{ 0x10, 6 },{ 0x22, 9 },{ 0xa, 10 },

  68. { 0xd, 6 },{ 0x1c, 9 },{ 0x8, 10 },{ 0x12, 7 },

  69. { 0x1b, 9 },{ 0x54, 12 },{ 0x14, 7 },{ 0x1a, 9 },

  70. { 0x57, 12 },{ 0x19, 8 },{ 0x9, 10 },{ 0x18, 8 },

  71. { 0x23, 11 },{ 0x17, 8 },{ 0x19, 9 },{ 0x18, 9 },

  72. { 0x7, 10 },{ 0x58, 12 },{ 0x7, 4 },{ 0xc, 6 },

  73. { 0x16, 8 },{ 0x17, 9 },{ 0x6, 10 },{ 0x5, 11 },

  74. { 0x4, 11 },{ 0x59, 12 },{ 0xf, 6 },{ 0x16, 9 },

  75. { 0x5, 10 },{ 0xe, 6 },{ 0x4, 10 },{ 0x11, 7 },

  76. { 0x24, 11 },{ 0x10, 7 },{ 0x25, 11 },{ 0x13, 7 },

  77. { 0x5a, 12 },{ 0x15, 8 },{ 0x5b, 12 },{ 0x14, 8 },

  78. { 0x13, 8 },{ 0x1a, 8 },{ 0x15, 9 },{ 0x14, 9 },

  79. { 0x13, 9 },{ 0x12, 9 },{ 0x11, 9 },{ 0x26, 11 },

  80. { 0x27, 11 },{ 0x5c, 12 },{ 0x5d, 12 },{ 0x5e, 12 },

  81. { 0x5f, 12 },{ 0x3, 7 },

  82. };

  83. 

  84. const int8_t intra_level[102] = {

  85.   1,  2,  3,  4,  5,  6,  7,  8,

  86.   9, 10, 11, 12, 13, 14, 15, 16,

  87.  17, 18, 19, 20, 21, 22, 23, 24,

  88.  25, 26, 27,  1,  2,  3,  4,  5,

  89.   6,  7,  8,  9, 10,  1,  2,  3,

  90.   4,  5,  1,  2,  3,  4,  1,  2,

  91.   3,  1,  2,  3,  1,  2,  3,  1,

  92.   2,  3,  1,  2,  1,  2,  1,  1,

  93.   1,  1,  1,  1,  2,  3,  4,  5,

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

  95.   1,  2,  1,  2,  1,  2,  1,  2,

  96.   1,  1,  1,  1,  1,  1,  1,  1,

  97.   1,  1,  1,  1,  1,  1,

  98. };

  99. 

  100. const int8_t intra_run[102] = {

  101.   0,  0,  0,  0,  0,  0,  0,  0,

  102.   0,  0,  0,  0,  0,  0,  0,  0,

  103.   0,  0,  0,  0,  0,  0,  0,  0,

  104.   0,  0,  0,  1,  1,  1,  1,  1,

  105.   1,  1,  1,  1,  1,  2,  2,  2,

  106.   2,  2,  3,  3,  3,  3,  4,  4,

  107.   4,  5,  5,  5,  6,  6,  6,  7,

  108.   7,  7,  8,  8,  9,  9, 10, 11,

  109.  12, 13, 14,  0,  0,  0,  0,  0,

  110.   0,  0,  0,  1,  1,  1,  2,  2,

  111.   3,  3,  4,  4,  5,  5,  6,  6,

  112.   7,  8,  9, 10, 11, 12, 13, 14,

  113.  15, 16, 17, 18, 19, 20,

  114. };

  115. 

  116. static RLTable rl_intra = {

  117.     102,

  118.     67,

  119.     intra_vlc,

  120.     intra_run,

  121.     intra_level,

  122. };

  123. 

  124. static const uint16_t inter_rvlc[170][2]={ //note this is identical to the intra rvlc except that its reordered

  125. {0x0006,  3},{0x0001,  4},{0x0004,  5},{0x001C,  7},

  126. {0x003C,  8},{0x003D,  8},{0x007C,  9},{0x00FC, 10},

  127. {0x00FD, 10},{0x01FC, 11},{0x01FD, 11},{0x03FC, 12},

  128. {0x07FC, 13},{0x07FD, 13},{0x0BFC, 13},{0x0BFD, 13},

  129. {0x0FFC, 14},{0x0FFD, 14},{0x1FFC, 15},{0x0007,  3},

  130. {0x000C,  6},{0x005C,  8},{0x007D,  9},{0x017C, 10},

  131. {0x02FC, 11},{0x03FD, 12},{0x0DFC, 13},{0x17FC, 14},

  132. {0x17FD, 14},{0x000A,  4},{0x001D,  7},{0x00BC,  9},

  133. {0x02FD, 11},{0x05FC, 12},{0x1BFC, 14},{0x1BFD, 14},

  134. {0x0005,  5},{0x005D,  8},{0x017D, 10},{0x05FD, 12},

  135. {0x0DFD, 13},{0x1DFC, 14},{0x1FFD, 15},{0x0008,  5},

  136. {0x006C,  8},{0x037C, 11},{0x0EFC, 13},{0x2FFC, 15},

  137. {0x0009,  5},{0x00BD,  9},{0x037D, 11},{0x0EFD, 13},

  138. {0x000D,  6},{0x01BC, 10},{0x06FC, 12},{0x1DFD, 14},

  139. {0x0014,  6},{0x01BD, 10},{0x06FD, 12},{0x2FFD, 15},

  140. {0x0015,  6},{0x01DC, 10},{0x0F7C, 13},{0x002C,  7},

  141. {0x01DD, 10},{0x1EFC, 14},{0x002D,  7},{0x03BC, 11},

  142. {0x0034,  7},{0x077C, 12},{0x006D,  8},{0x0F7D, 13},

  143. {0x0074,  8},{0x1EFD, 14},{0x0075,  8},{0x1F7C, 14},

  144. {0x00DC,  9},{0x1F7D, 14},{0x00DD,  9},{0x1FBC, 14},

  145. {0x00EC,  9},{0x37FC, 15},{0x01EC, 10},{0x01ED, 10},

  146. {0x01F4, 10},{0x03BD, 11},{0x03DC, 11},{0x03DD, 11},

  147. {0x03EC, 11},{0x03ED, 11},{0x03F4, 11},{0x077D, 12},

  148. {0x07BC, 12},{0x07BD, 12},{0x0FBC, 13},{0x0FBD, 13},

  149. {0x0FDC, 13},{0x0FDD, 13},{0x1FBD, 14},{0x1FDC, 14},

  150. {0x1FDD, 14},{0x37FD, 15},{0x3BFC, 15},

  151. {0x000B,  4},{0x0078,  8},{0x03F5, 11},{0x0FEC, 13},

  152. {0x1FEC, 14},{0x0012,  5},{0x00ED,  9},{0x07DC, 12},

  153. {0x1FED, 14},{0x3BFD, 15},{0x0013,  5},{0x03F8, 11},

  154. {0x3DFC, 15},{0x0018,  6},{0x07DD, 12},{0x0019,  6},

  155. {0x07EC, 12},{0x0022,  6},{0x0FED, 13},{0x0023,  6},

  156. {0x0FF4, 13},{0x0035,  7},{0x0FF5, 13},{0x0038,  7},

  157. {0x0FF8, 13},{0x0039,  7},{0x0FF9, 13},{0x0042,  7},

  158. {0x1FF4, 14},{0x0043,  7},{0x1FF5, 14},{0x0079,  8},

  159. {0x1FF8, 14},{0x0082,  8},{0x3DFD, 15},{0x0083,  8},

  160. {0x00F4,  9},{0x00F5,  9},{0x00F8,  9},{0x00F9,  9},

  161. {0x0102,  9},{0x0103,  9},{0x01F5, 10},{0x01F8, 10},

  162. {0x01F9, 10},{0x0202, 10},{0x0203, 10},{0x03F9, 11},

  163. {0x0402, 11},{0x0403, 11},{0x07ED, 12},{0x07F4, 12},

  164. {0x07F5, 12},{0x07F8, 12},{0x07F9, 12},{0x0802, 12},

  165. {0x0803, 12},{0x1002, 13},{0x1003, 13},{0x1FF9, 14},

  166. {0x2002, 14},{0x2003, 14},{0x3EFC, 15},{0x3EFD, 15},

  167. {0x3F7C, 15},{0x3F7D, 15},{0x0000, 4}

  168. };

  169. 

  170. static const uint8_t inter_rvlc_run[169]={

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

  172.  0,  0,  0,  0,  0,  0,  0,  0, 

  173.  0,  0,  0,  1,  1,  1,  1,  1, 

  174.  1,  1,  1,  1,  1,  2,  2,  2, 

  175.  2,  2,  2,  2,  3,  3,  3,  3, 

  176.  3,  3,  3,  4,  4,  4,  4,  4, 

  177.  5,  5,  5,  5,  6,  6,  6,  6, 

  178.  7,  7,  7,  7,  8,  8,  8,  9, 

  179.  9,  9, 10, 10, 11, 11, 12, 12, 

  180. 13, 13, 14, 14, 15, 15, 16, 16, 

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

  182. 24, 25, 26, 27, 28, 29, 30, 31, 

  183. 32, 33, 34, 35, 36, 37, 38, 

  184.  0,  0,  0,  0,  0,  1,  1,  1, 

  185.  1,  1,  2,  2,  2,  3,  3,  4, 

  186.  4,  5,  5,  6,  6,  7,  7,  8, 

  187.  8,  9,  9, 10, 10, 11, 11, 12, 

  188. 12, 13, 13, 14, 15, 16, 17, 18, 

  189. 19, 20, 21, 22, 23, 24, 25, 26, 

  190. 27, 28, 29, 30, 31, 32, 33, 34, 

  191. 35, 36, 37, 38, 39, 40, 41, 42, 

  192. 43, 44,  

  193. };

  194. 

  195. static const uint8_t inter_rvlc_level[169]={

  196.  1,  2,  3,  4,  5,  6,  7,  8, 

  197.  9, 10, 11, 12, 13, 14, 15, 16, 

  198. 17, 18, 19,  1,  2,  3,  4,  5, 

  199.  6,  7,  8,  9, 10,  1,  2,  3, 

  200.  4,  5,  6,  7,  1,  2,  3,  4, 

  201.  5,  6,  7,  1,  2,  3,  4,  5, 

  202.  1,  2,  3,  4,  1,  2,  3,  4, 

  203.  1,  2,  3,  4,  1,  2,  3,  1, 

  204.  2,  3,  1,  2,  1,  2,  1,  2, 

  205.  1,  2,  1,  2,  1,  2,  1,  2, 

  206.  1,  2,  1,  1,  1,  1,  1,  1, 

  207.  1,  1,  1,  1,  1,  1,  1,  1, 

  208.  1,  1,  1,  1,  1,  1,  1, 

  209.  1,  2,  3,  4,  5,  1,  2,  3, 

  210.  4,  5,  1,  2,  3,  1,  2,  1, 

  211.  2,  1,  2,  1,  2,  1,  2,  1, 

  212.  2,  1,  2,  1,  2,  1,  2,  1, 

  213.  2,  1,  2,  1,  1,  1,  1,  1, 

  214.  1,  1,  1,  1,  1,  1,  1,  1, 

  215.  1,  1,  1,  1,  1,  1,  1,  1, 

  216.  1,  1,  1,  1,  1,  1,  1,  1, 

  217.  1,  1, 

  218. };

  219. 

  220. static RLTable rvlc_rl_inter = {

  221.     169,

  222.     103,

  223.     inter_rvlc,

  224.     inter_rvlc_run,

  225.     inter_rvlc_level,

  226. };

  227. 

  228. static const uint16_t intra_rvlc[170][2]={

  229. {0x0006,  3},{0x0007,  3},{0x000A,  4},{0x0009,  5},

  230. {0x0014,  6},{0x0015,  6},{0x0034,  7},{0x0074,  8},

  231. {0x0075,  8},{0x00DD,  9},{0x00EC,  9},{0x01EC, 10},

  232. {0x01ED, 10},{0x01F4, 10},{0x03EC, 11},{0x03ED, 11},

  233. {0x03F4, 11},{0x077D, 12},{0x07BC, 12},{0x0FBD, 13},

  234. {0x0FDC, 13},{0x07BD, 12},{0x0FDD, 13},{0x1FBD, 14},

  235. {0x1FDC, 14},{0x1FDD, 14},{0x1FFC, 15},{0x0001,  4},

  236. {0x0008,  5},{0x002D,  7},{0x006C,  8},{0x006D,  8},

  237. {0x00DC,  9},{0x01DD, 10},{0x03DC, 11},{0x03DD, 11},

  238. {0x077C, 12},{0x0FBC, 13},{0x1F7D, 14},{0x1FBC, 14},

  239. {0x0004,  5},{0x002C,  7},{0x00BC,  9},{0x01DC, 10},

  240. {0x03BC, 11},{0x03BD, 11},{0x0EFD, 13},{0x0F7C, 13},

  241. {0x0F7D, 13},{0x1EFD, 14},{0x1F7C, 14},{0x0005,  5},

  242. {0x005C,  8},{0x00BD,  9},{0x037D, 11},{0x06FC, 12},

  243. {0x0EFC, 13},{0x1DFD, 14},{0x1EFC, 14},{0x1FFD, 15},

  244. {0x000C,  6},{0x005D,  8},{0x01BD, 10},{0x03FD, 12},

  245. {0x06FD, 12},{0x1BFD, 14},{0x000D,  6},{0x007D,  9},

  246. {0x02FC, 11},{0x05FC, 12},{0x1BFC, 14},{0x1DFC, 14},

  247. {0x001C,  7},{0x017C, 10},{0x02FD, 11},{0x05FD, 12},

  248. {0x2FFC, 15},{0x001D,  7},{0x017D, 10},{0x037C, 11},

  249. {0x0DFD, 13},{0x2FFD, 15},{0x003C,  8},{0x01BC, 10},

  250. {0x0BFD, 13},{0x17FD, 14},{0x003D,  8},{0x01FD, 11},

  251. {0x0DFC, 13},{0x37FC, 15},{0x007C,  9},{0x03FC, 12},

  252. {0x00FC, 10},{0x0BFC, 13},{0x00FD, 10},{0x37FD, 15},

  253. {0x01FC, 11},{0x07FC, 13},{0x07FD, 13},{0x0FFC, 14},

  254. {0x0FFD, 14},{0x17FC, 14},{0x3BFC, 15},

  255. {0x000B,  4},{0x0078,  8},{0x03F5, 11},{0x0FEC, 13},

  256. {0x1FEC, 14},{0x0012,  5},{0x00ED,  9},{0x07DC, 12},

  257. {0x1FED, 14},{0x3BFD, 15},{0x0013,  5},{0x03F8, 11},

  258. {0x3DFC, 15},{0x0018,  6},{0x07DD, 12},{0x0019,  6},

  259. {0x07EC, 12},{0x0022,  6},{0x0FED, 13},{0x0023,  6},

  260. {0x0FF4, 13},{0x0035,  7},{0x0FF5, 13},{0x0038,  7},

  261. {0x0FF8, 13},{0x0039,  7},{0x0FF9, 13},{0x0042,  7},

  262. {0x1FF4, 14},{0x0043,  7},{0x1FF5, 14},{0x0079,  8},

  263. {0x1FF8, 14},{0x0082,  8},{0x3DFD, 15},{0x0083,  8},

  264. {0x00F4,  9},{0x00F5,  9},{0x00F8,  9},{0x00F9,  9},

  265. {0x0102,  9},{0x0103,  9},{0x01F5, 10},{0x01F8, 10},

  266. {0x01F9, 10},{0x0202, 10},{0x0203, 10},{0x03F9, 11},

  267. {0x0402, 11},{0x0403, 11},{0x07ED, 12},{0x07F4, 12},

  268. {0x07F5, 12},{0x07F8, 12},{0x07F9, 12},{0x0802, 12},

  269. {0x0803, 12},{0x1002, 13},{0x1003, 13},{0x1FF9, 14},

  270. {0x2002, 14},{0x2003, 14},{0x3EFC, 15},{0x3EFD, 15},

  271. {0x3F7C, 15},{0x3F7D, 15},{0x0000,  4}

  272. };

  273. 

  274. static const uint8_t intra_rvlc_run[169]={

  275.  0,  0,  0,  0,  0,  0,  0,  0, 

  276.  0,  0,  0,  0,  0,  0,  0,  0, 

  277.  0,  0,  0,  0,  0,  0,  0,  0, 

  278.  0,  0,  0,  1,  1,  1,  1,  1, 

  279.  1,  1,  1,  1,  1,  1,  1,  1, 

  280.  2,  2,  2,  2,  2,  2,  2,  2, 

  281.  2,  2,  2,  3,  3,  3,  3,  3, 

  282.  3,  3,  3,  3,  4,  4,  4,  4, 

  283.  4,  4,  5,  5,  5,  5,  5,  5, 

  284.  6,  6,  6,  6,  6,  7,  7,  7, 

  285.  7,  7,  8,  8,  8,  8,  9,  9, 

  286.  9,  9, 10, 10, 11, 11, 12, 12, 

  287. 13, 14, 15, 16, 17, 18, 19, 

  288.  0,  0,  0,  0,  0,  1,  1,  1, 

  289.  1,  1,  2,  2,  2,  3,  3,  4, 

  290.  4,  5,  5,  6,  6,  7,  7,  8, 

  291.  8,  9,  9, 10, 10, 11, 11, 12, 

  292. 12, 13, 13, 14, 15, 16, 17, 18, 

  293. 19, 20, 21, 22, 23, 24, 25, 26, 

  294. 27, 28, 29, 30, 31, 32, 33, 34, 

  295. 35, 36, 37, 38, 39, 40, 41, 42, 

  296. 43, 44, 

  297. };

  298. 

  299. static const uint8_t intra_rvlc_level[169]={

  300.  1,  2,  3,  4,  5,  6,  7,  8, 

  301.  9, 10, 11, 12, 13, 14, 15, 16, 

  302. 17, 18, 19, 20, 21, 22, 23, 24, 

  303. 25, 26, 27,  1,  2,  3,  4,  5, 

  304.  6,  7,  8,  9, 10, 11, 12, 13, 

  305.  1,  2,  3,  4,  5,  6,  7,  8, 

  306.  9, 10, 11,  1,  2,  3,  4,  5, 

  307.  6,  7,  8,  9,  1,  2,  3,  4, 

  308.  5,  6,  1,  2,  3,  4,  5,  6, 

  309.  1,  2,  3,  4,  5,  1,  2,  3, 

  310.  4,  5,  1,  2,  3,  4,  1,  2, 

  311.  3,  4,  1,  2,  1,  2,  1,  2, 

  312.  1,  1,  1,  1,  1,  1,  1,  

  313.  1,  2,  3,  4,  5,  1,  2,  3, 

  314.  4,  5,  1,  2,  3,  1,  2,  1, 

  315.  2,  1,  2,  1,  2,  1,  2,  1, 

  316.  2,  1,  2,  1,  2,  1,  2,  1, 

  317.  2,  1,  2,  1,  1,  1,  1,  1, 

  318.  1,  1,  1,  1,  1,  1,  1,  1, 

  319.  1,  1,  1,  1,  1,  1,  1,  1, 

  320.  1,  1,  1,  1,  1,  1,  1,  1, 

  321.  1,  1, 

  322. };

  323. 

  324. static RLTable rvlc_rl_intra = {

  325.     169,

  326.     103,

  327.     intra_rvlc,

  328.     intra_rvlc_run,

  329.     intra_rvlc_level,

  330. };

  331. 

  332. static const uint16_t sprite_trajectory_tab[15][2] = {

  333.  {0x00, 2}, {0x02, 3},  {0x03, 3},  {0x04, 3}, {0x05, 3}, {0x06, 3},

  334.  {0x0E, 4}, {0x1E, 5},  {0x3E, 6},  {0x7E, 7}, {0xFE, 8}, 

  335.  {0x1FE, 9},{0x3FE, 10},{0x7FE, 11},{0xFFE, 12},

  336. };

  337. 

  338. static const uint8_t mb_type_b_tab[4][2] = {

  339.  {1, 1}, {1, 2}, {1, 3}, {1, 4},

  340. };

  341. 

  342. static const uint16_t pixel_aspect[16][2]={

  343.  {0, 0},

  344.  {1, 1},

  345.  {12, 11},

  346.  {10, 11},

  347.  {16, 11},

  348.  {40, 33},

  349.  {0, 0},

  350.  {0, 0},

  351.  {0, 0},

  352.  {0, 0},

  353.  {0, 0},

  354.  {0, 0},

  355.  {0, 0},

  356.  {0, 0},

  357.  {0, 0},

  358.  {0, 0},

  359. };

  360. 

  361. /* these matrixes will be permuted for the idct */

  362. const int16_t ff_mpeg4_default_intra_matrix[64] = {

  363.   8, 17, 18, 19, 21, 23, 25, 27,

  364.  17, 18, 19, 21, 23, 25, 27, 28,

  365.  20, 21, 22, 23, 24, 26, 28, 30,

  366.  21, 22, 23, 24, 26, 28, 30, 32,

  367.  22, 23, 24, 26, 28, 30, 32, 35,

  368.  23, 24, 26, 28, 30, 32, 35, 38,

  369.  25, 26, 28, 30, 32, 35, 38, 41,

  370.  27, 28, 30, 32, 35, 38, 41, 45, 

  371. };

  372. 

  373. const int16_t ff_mpeg4_default_non_intra_matrix[64] = {

  374.  16, 17, 18, 19, 20, 21, 22, 23,

  375.  17, 18, 19, 20, 21, 22, 23, 24,

  376.  18, 19, 20, 21, 22, 23, 24, 25,

  377.  19, 20, 21, 22, 23, 24, 26, 27,

  378.  20, 21, 22, 23, 25, 26, 27, 28,

  379.  21, 22, 23, 24, 26, 27, 28, 30,

  380.  22, 23, 24, 26, 27, 28, 30, 31,

  381.  23, 24, 25, 27, 28, 30, 31, 33,

  382. };

  383. 

  384. uint8_t ff_mpeg4_y_dc_scale_table[32]={

  385. //  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

  386.     0, 8, 8, 8, 8,10,12,14,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,34,36,38,40,42,44,46

  387. };

  388. uint8_t ff_mpeg4_c_dc_scale_table[32]={

  389. //  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

  390.     0, 8, 8, 8, 8, 9, 9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,17,17,18,18,19,20,21,22,23,24,25

  391. };

  392. 

  393. const uint16_t ff_mpeg4_resync_prefix[8]={

  394.     0x7F00, 0x7E00, 0x7C00, 0x7800, 0x7000, 0x6000, 0x4000, 0x0000

  395. };