falkTX
/
FFmpeg
mirror of https://github.com/falkTX/FFmpeg.git
1
0
Fork 0
Code Issues 0 Releases 338 Wiki Activity
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
3514 Commits
32 Branches
1.1GB
Tree: 0dfd33c3f1
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from '0dfd33c3f1'
${ noResults }
FFmpeg/libavcodec/mpeg4data.h

402 lines
13KB
Raw Blame History 

  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. static const int mb_type_b_map[4]= {

  31.     MB_TYPE_DIRECT2 | MB_TYPE_L0L1,

  32.     MB_TYPE_L0L1 | MB_TYPE_16x16,

  33.     MB_TYPE_L1 | MB_TYPE_16x16,

  34.     MB_TYPE_L0 | MB_TYPE_16x16,

  35. };

  36. 

  37. #define VOS_STARTCODE        0x1B0

  38. #define USER_DATA_STARTCODE  0x1B2

  39. #define GOP_STARTCODE        0x1B3

  40. #define VISUAL_OBJ_STARTCODE 0x1B5

  41. #define VOP_STARTCODE        0x1B6

  42. 

  43. /* dc encoding for mpeg4 */

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

  45. {

  46.     {3,3}, {3,2}, {2,2}, {2,3}, {1,3}, {1,4}, {1,5}, {1,6}, {1,7},

  47.     {1,8}, {1,9}, {1,10}, {1,11},

  48. }; 

  49. 

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

  51. {

  52.     {3,2}, {2,2}, {1,2}, {1,3}, {1,4}, {1,5}, {1,6}, {1,7}, {1,8},

  53.     {1,9}, {1,10}, {1,11}, {1,12},

  54. }; 

  55. 

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

  57. { 0x2, 2 },

  58. { 0x6, 3 },{ 0xf, 4 },{ 0xd, 5 },{ 0xc, 5 },

  59. { 0x15, 6 },{ 0x13, 6 },{ 0x12, 6 },{ 0x17, 7 },

  60. { 0x1f, 8 },{ 0x1e, 8 },{ 0x1d, 8 },{ 0x25, 9 },

  61. { 0x24, 9 },{ 0x23, 9 },{ 0x21, 9 },{ 0x21, 10 },

  62. { 0x20, 10 },{ 0xf, 10 },{ 0xe, 10 },{ 0x7, 11 },

  63. { 0x6, 11 },{ 0x20, 11 },{ 0x21, 11 },{ 0x50, 12 },

  64. { 0x51, 12 },{ 0x52, 12 },{ 0xe, 4 },{ 0x14, 6 },

  65. { 0x16, 7 },{ 0x1c, 8 },{ 0x20, 9 },{ 0x1f, 9 },

  66. { 0xd, 10 },{ 0x22, 11 },{ 0x53, 12 },{ 0x55, 12 },

  67. { 0xb, 5 },{ 0x15, 7 },{ 0x1e, 9 },{ 0xc, 10 },

  68. { 0x56, 12 },{ 0x11, 6 },{ 0x1b, 8 },{ 0x1d, 9 },

  69. { 0xb, 10 },{ 0x10, 6 },{ 0x22, 9 },{ 0xa, 10 },

  70. { 0xd, 6 },{ 0x1c, 9 },{ 0x8, 10 },{ 0x12, 7 },

  71. { 0x1b, 9 },{ 0x54, 12 },{ 0x14, 7 },{ 0x1a, 9 },

  72. { 0x57, 12 },{ 0x19, 8 },{ 0x9, 10 },{ 0x18, 8 },

  73. { 0x23, 11 },{ 0x17, 8 },{ 0x19, 9 },{ 0x18, 9 },

  74. { 0x7, 10 },{ 0x58, 12 },{ 0x7, 4 },{ 0xc, 6 },

  75. { 0x16, 8 },{ 0x17, 9 },{ 0x6, 10 },{ 0x5, 11 },

  76. { 0x4, 11 },{ 0x59, 12 },{ 0xf, 6 },{ 0x16, 9 },

  77. { 0x5, 10 },{ 0xe, 6 },{ 0x4, 10 },{ 0x11, 7 },

  78. { 0x24, 11 },{ 0x10, 7 },{ 0x25, 11 },{ 0x13, 7 },

  79. { 0x5a, 12 },{ 0x15, 8 },{ 0x5b, 12 },{ 0x14, 8 },

  80. { 0x13, 8 },{ 0x1a, 8 },{ 0x15, 9 },{ 0x14, 9 },

  81. { 0x13, 9 },{ 0x12, 9 },{ 0x11, 9 },{ 0x26, 11 },

  82. { 0x27, 11 },{ 0x5c, 12 },{ 0x5d, 12 },{ 0x5e, 12 },

  83. { 0x5f, 12 },{ 0x3, 7 },

  84. };

  85. 

  86. const int8_t intra_level[102] = {

  87.   1,  2,  3,  4,  5,  6,  7,  8,

  88.   9, 10, 11, 12, 13, 14, 15, 16,

  89.  17, 18, 19, 20, 21, 22, 23, 24,

  90.  25, 26, 27,  1,  2,  3,  4,  5,

  91.   6,  7,  8,  9, 10,  1,  2,  3,

  92.   4,  5,  1,  2,  3,  4,  1,  2,

  93.   3,  1,  2,  3,  1,  2,  3,  1,

  94.   2,  3,  1,  2,  1,  2,  1,  1,

  95.   1,  1,  1,  1,  2,  3,  4,  5,

  96.   6,  7,  8,  1,  2,  3,  1,  2,

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

  98.   1,  1,  1,  1,  1,  1,  1,  1,

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

  100. };

  101. 

  102. const int8_t intra_run[102] = {

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

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

  105.   0,  0,  0,  0,  0,  0,  0,  0,

  106.   0,  0,  0,  1,  1,  1,  1,  1,

  107.   1,  1,  1,  1,  1,  2,  2,  2,

  108.   2,  2,  3,  3,  3,  3,  4,  4,

  109.   4,  5,  5,  5,  6,  6,  6,  7,

  110.   7,  7,  8,  8,  9,  9, 10, 11,

  111.  12, 13, 14,  0,  0,  0,  0,  0,

  112.   0,  0,  0,  1,  1,  1,  2,  2,

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

  114.   7,  8,  9, 10, 11, 12, 13, 14,

  115.  15, 16, 17, 18, 19, 20,

  116. };

  117. 

  118. static RLTable rl_intra = {

  119.     102,

  120.     67,

  121.     intra_vlc,

  122.     intra_run,

  123.     intra_level,

  124. };

  125. 

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

  127. {0x0006,  3},{0x0001,  4},{0x0004,  5},{0x001C,  7},

  128. {0x003C,  8},{0x003D,  8},{0x007C,  9},{0x00FC, 10},

  129. {0x00FD, 10},{0x01FC, 11},{0x01FD, 11},{0x03FC, 12},

  130. {0x07FC, 13},{0x07FD, 13},{0x0BFC, 13},{0x0BFD, 13},

  131. {0x0FFC, 14},{0x0FFD, 14},{0x1FFC, 15},{0x0007,  3},

  132. {0x000C,  6},{0x005C,  8},{0x007D,  9},{0x017C, 10},

  133. {0x02FC, 11},{0x03FD, 12},{0x0DFC, 13},{0x17FC, 14},

  134. {0x17FD, 14},{0x000A,  4},{0x001D,  7},{0x00BC,  9},

  135. {0x02FD, 11},{0x05FC, 12},{0x1BFC, 14},{0x1BFD, 14},

  136. {0x0005,  5},{0x005D,  8},{0x017D, 10},{0x05FD, 12},

  137. {0x0DFD, 13},{0x1DFC, 14},{0x1FFD, 15},{0x0008,  5},

  138. {0x006C,  8},{0x037C, 11},{0x0EFC, 13},{0x2FFC, 15},

  139. {0x0009,  5},{0x00BD,  9},{0x037D, 11},{0x0EFD, 13},

  140. {0x000D,  6},{0x01BC, 10},{0x06FC, 12},{0x1DFD, 14},

  141. {0x0014,  6},{0x01BD, 10},{0x06FD, 12},{0x2FFD, 15},

  142. {0x0015,  6},{0x01DC, 10},{0x0F7C, 13},{0x002C,  7},

  143. {0x01DD, 10},{0x1EFC, 14},{0x002D,  7},{0x03BC, 11},

  144. {0x0034,  7},{0x077C, 12},{0x006D,  8},{0x0F7D, 13},

  145. {0x0074,  8},{0x1EFD, 14},{0x0075,  8},{0x1F7C, 14},

  146. {0x00DC,  9},{0x1F7D, 14},{0x00DD,  9},{0x1FBC, 14},

  147. {0x00EC,  9},{0x37FC, 15},{0x01EC, 10},{0x01ED, 10},

  148. {0x01F4, 10},{0x03BD, 11},{0x03DC, 11},{0x03DD, 11},

  149. {0x03EC, 11},{0x03ED, 11},{0x03F4, 11},{0x077D, 12},

  150. {0x07BC, 12},{0x07BD, 12},{0x0FBC, 13},{0x0FBD, 13},

  151. {0x0FDC, 13},{0x0FDD, 13},{0x1FBD, 14},{0x1FDC, 14},

  152. {0x1FDD, 14},{0x37FD, 15},{0x3BFC, 15},

  153. {0x000B,  4},{0x0078,  8},{0x03F5, 11},{0x0FEC, 13},

  154. {0x1FEC, 14},{0x0012,  5},{0x00ED,  9},{0x07DC, 12},

  155. {0x1FED, 14},{0x3BFD, 15},{0x0013,  5},{0x03F8, 11},

  156. {0x3DFC, 15},{0x0018,  6},{0x07DD, 12},{0x0019,  6},

  157. {0x07EC, 12},{0x0022,  6},{0x0FED, 13},{0x0023,  6},

  158. {0x0FF4, 13},{0x0035,  7},{0x0FF5, 13},{0x0038,  7},

  159. {0x0FF8, 13},{0x0039,  7},{0x0FF9, 13},{0x0042,  7},

  160. {0x1FF4, 14},{0x0043,  7},{0x1FF5, 14},{0x0079,  8},

  161. {0x1FF8, 14},{0x0082,  8},{0x3DFD, 15},{0x0083,  8},

  162. {0x00F4,  9},{0x00F5,  9},{0x00F8,  9},{0x00F9,  9},

  163. {0x0102,  9},{0x0103,  9},{0x01F5, 10},{0x01F8, 10},

  164. {0x01F9, 10},{0x0202, 10},{0x0203, 10},{0x03F9, 11},

  165. {0x0402, 11},{0x0403, 11},{0x07ED, 12},{0x07F4, 12},

  166. {0x07F5, 12},{0x07F8, 12},{0x07F9, 12},{0x0802, 12},

  167. {0x0803, 12},{0x1002, 13},{0x1003, 13},{0x1FF9, 14},

  168. {0x2002, 14},{0x2003, 14},{0x3EFC, 15},{0x3EFD, 15},

  169. {0x3F7C, 15},{0x3F7D, 15},{0x0000, 4}

  170. };

  171. 

  172. static const uint8_t inter_rvlc_run[169]={

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

  174.  0,  0,  0,  0,  0,  0,  0,  0, 

  175.  0,  0,  0,  1,  1,  1,  1,  1, 

  176.  1,  1,  1,  1,  1,  2,  2,  2, 

  177.  2,  2,  2,  2,  3,  3,  3,  3, 

  178.  3,  3,  3,  4,  4,  4,  4,  4, 

  179.  5,  5,  5,  5,  6,  6,  6,  6, 

  180.  7,  7,  7,  7,  8,  8,  8,  9, 

  181.  9,  9, 10, 10, 11, 11, 12, 12, 

  182. 13, 13, 14, 14, 15, 15, 16, 16, 

  183. 17, 17, 18, 19, 20, 21, 22, 23, 

  184. 24, 25, 26, 27, 28, 29, 30, 31, 

  185. 32, 33, 34, 35, 36, 37, 38, 

  186.  0,  0,  0,  0,  0,  1,  1,  1, 

  187.  1,  1,  2,  2,  2,  3,  3,  4, 

  188.  4,  5,  5,  6,  6,  7,  7,  8, 

  189.  8,  9,  9, 10, 10, 11, 11, 12, 

  190. 12, 13, 13, 14, 15, 16, 17, 18, 

  191. 19, 20, 21, 22, 23, 24, 25, 26, 

  192. 27, 28, 29, 30, 31, 32, 33, 34, 

  193. 35, 36, 37, 38, 39, 40, 41, 42, 

  194. 43, 44,  

  195. };

  196. 

  197. static const uint8_t inter_rvlc_level[169]={

  198.  1,  2,  3,  4,  5,  6,  7,  8, 

  199.  9, 10, 11, 12, 13, 14, 15, 16, 

  200. 17, 18, 19,  1,  2,  3,  4,  5, 

  201.  6,  7,  8,  9, 10,  1,  2,  3, 

  202.  4,  5,  6,  7,  1,  2,  3,  4, 

  203.  5,  6,  7,  1,  2,  3,  4,  5, 

  204.  1,  2,  3,  4,  1,  2,  3,  4, 

  205.  1,  2,  3,  4,  1,  2,  3,  1, 

  206.  2,  3,  1,  2,  1,  2,  1,  2, 

  207.  1,  2,  1,  2,  1,  2,  1,  2, 

  208.  1,  2,  1,  1,  1,  1,  1,  1, 

  209.  1,  1,  1,  1,  1,  1,  1,  1, 

  210.  1,  1,  1,  1,  1,  1,  1, 

  211.  1,  2,  3,  4,  5,  1,  2,  3, 

  212.  4,  5,  1,  2,  3,  1,  2,  1, 

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

  214.  2,  1,  2,  1,  2,  1,  2,  1, 

  215.  2,  1,  2,  1,  1,  1,  1,  1, 

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

  217.  1,  1,  1,  1,  1,  1,  1,  1, 

  218.  1,  1,  1,  1,  1,  1,  1,  1, 

  219.  1,  1, 

  220. };

  221. 

  222. static RLTable rvlc_rl_inter = {

  223.     169,

  224.     103,

  225.     inter_rvlc,

  226.     inter_rvlc_run,

  227.     inter_rvlc_level,

  228. };

  229. 

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

  231. {0x0006,  3},{0x0007,  3},{0x000A,  4},{0x0009,  5},

  232. {0x0014,  6},{0x0015,  6},{0x0034,  7},{0x0074,  8},

  233. {0x0075,  8},{0x00DD,  9},{0x00EC,  9},{0x01EC, 10},

  234. {0x01ED, 10},{0x01F4, 10},{0x03EC, 11},{0x03ED, 11},

  235. {0x03F4, 11},{0x077D, 12},{0x07BC, 12},{0x0FBD, 13},

  236. {0x0FDC, 13},{0x07BD, 12},{0x0FDD, 13},{0x1FBD, 14},

  237. {0x1FDC, 14},{0x1FDD, 14},{0x1FFC, 15},{0x0001,  4},

  238. {0x0008,  5},{0x002D,  7},{0x006C,  8},{0x006D,  8},

  239. {0x00DC,  9},{0x01DD, 10},{0x03DC, 11},{0x03DD, 11},

  240. {0x077C, 12},{0x0FBC, 13},{0x1F7D, 14},{0x1FBC, 14},

  241. {0x0004,  5},{0x002C,  7},{0x00BC,  9},{0x01DC, 10},

  242. {0x03BC, 11},{0x03BD, 11},{0x0EFD, 13},{0x0F7C, 13},

  243. {0x0F7D, 13},{0x1EFD, 14},{0x1F7C, 14},{0x0005,  5},

  244. {0x005C,  8},{0x00BD,  9},{0x037D, 11},{0x06FC, 12},

  245. {0x0EFC, 13},{0x1DFD, 14},{0x1EFC, 14},{0x1FFD, 15},

  246. {0x000C,  6},{0x005D,  8},{0x01BD, 10},{0x03FD, 12},

  247. {0x06FD, 12},{0x1BFD, 14},{0x000D,  6},{0x007D,  9},

  248. {0x02FC, 11},{0x05FC, 12},{0x1BFC, 14},{0x1DFC, 14},

  249. {0x001C,  7},{0x017C, 10},{0x02FD, 11},{0x05FD, 12},

  250. {0x2FFC, 15},{0x001D,  7},{0x017D, 10},{0x037C, 11},

  251. {0x0DFD, 13},{0x2FFD, 15},{0x003C,  8},{0x01BC, 10},

  252. {0x0BFD, 13},{0x17FD, 14},{0x003D,  8},{0x01FD, 11},

  253. {0x0DFC, 13},{0x37FC, 15},{0x007C,  9},{0x03FC, 12},

  254. {0x00FC, 10},{0x0BFC, 13},{0x00FD, 10},{0x37FD, 15},

  255. {0x01FC, 11},{0x07FC, 13},{0x07FD, 13},{0x0FFC, 14},

  256. {0x0FFD, 14},{0x17FC, 14},{0x3BFC, 15},

  257. {0x000B,  4},{0x0078,  8},{0x03F5, 11},{0x0FEC, 13},

  258. {0x1FEC, 14},{0x0012,  5},{0x00ED,  9},{0x07DC, 12},

  259. {0x1FED, 14},{0x3BFD, 15},{0x0013,  5},{0x03F8, 11},

  260. {0x3DFC, 15},{0x0018,  6},{0x07DD, 12},{0x0019,  6},

  261. {0x07EC, 12},{0x0022,  6},{0x0FED, 13},{0x0023,  6},

  262. {0x0FF4, 13},{0x0035,  7},{0x0FF5, 13},{0x0038,  7},

  263. {0x0FF8, 13},{0x0039,  7},{0x0FF9, 13},{0x0042,  7},

  264. {0x1FF4, 14},{0x0043,  7},{0x1FF5, 14},{0x0079,  8},

  265. {0x1FF8, 14},{0x0082,  8},{0x3DFD, 15},{0x0083,  8},

  266. {0x00F4,  9},{0x00F5,  9},{0x00F8,  9},{0x00F9,  9},

  267. {0x0102,  9},{0x0103,  9},{0x01F5, 10},{0x01F8, 10},

  268. {0x01F9, 10},{0x0202, 10},{0x0203, 10},{0x03F9, 11},

  269. {0x0402, 11},{0x0403, 11},{0x07ED, 12},{0x07F4, 12},

  270. {0x07F5, 12},{0x07F8, 12},{0x07F9, 12},{0x0802, 12},

  271. {0x0803, 12},{0x1002, 13},{0x1003, 13},{0x1FF9, 14},

  272. {0x2002, 14},{0x2003, 14},{0x3EFC, 15},{0x3EFD, 15},

  273. {0x3F7C, 15},{0x3F7D, 15},{0x0000,  4}

  274. };

  275. 

  276. static const uint8_t intra_rvlc_run[169]={

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

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

  279.  0,  0,  0,  0,  0,  0,  0,  0, 

  280.  0,  0,  0,  1,  1,  1,  1,  1, 

  281.  1,  1,  1,  1,  1,  1,  1,  1, 

  282.  2,  2,  2,  2,  2,  2,  2,  2, 

  283.  2,  2,  2,  3,  3,  3,  3,  3, 

  284.  3,  3,  3,  3,  4,  4,  4,  4, 

  285.  4,  4,  5,  5,  5,  5,  5,  5, 

  286.  6,  6,  6,  6,  6,  7,  7,  7, 

  287.  7,  7,  8,  8,  8,  8,  9,  9, 

  288.  9,  9, 10, 10, 11, 11, 12, 12, 

  289. 13, 14, 15, 16, 17, 18, 19, 

  290.  0,  0,  0,  0,  0,  1,  1,  1, 

  291.  1,  1,  2,  2,  2,  3,  3,  4, 

  292.  4,  5,  5,  6,  6,  7,  7,  8, 

  293.  8,  9,  9, 10, 10, 11, 11, 12, 

  294. 12, 13, 13, 14, 15, 16, 17, 18, 

  295. 19, 20, 21, 22, 23, 24, 25, 26, 

  296. 27, 28, 29, 30, 31, 32, 33, 34, 

  297. 35, 36, 37, 38, 39, 40, 41, 42, 

  298. 43, 44, 

  299. };

  300. 

  301. static const uint8_t intra_rvlc_level[169]={

  302.  1,  2,  3,  4,  5,  6,  7,  8, 

  303.  9, 10, 11, 12, 13, 14, 15, 16, 

  304. 17, 18, 19, 20, 21, 22, 23, 24, 

  305. 25, 26, 27,  1,  2,  3,  4,  5, 

  306.  6,  7,  8,  9, 10, 11, 12, 13, 

  307.  1,  2,  3,  4,  5,  6,  7,  8, 

  308.  9, 10, 11,  1,  2,  3,  4,  5, 

  309.  6,  7,  8,  9,  1,  2,  3,  4, 

  310.  5,  6,  1,  2,  3,  4,  5,  6, 

  311.  1,  2,  3,  4,  5,  1,  2,  3, 

  312.  4,  5,  1,  2,  3,  4,  1,  2, 

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

  314.  1,  1,  1,  1,  1,  1,  1,  

  315.  1,  2,  3,  4,  5,  1,  2,  3, 

  316.  4,  5,  1,  2,  3,  1,  2,  1, 

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

  318.  2,  1,  2,  1,  2,  1,  2,  1, 

  319.  2,  1,  2,  1,  1,  1,  1,  1, 

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

  321.  1,  1,  1,  1,  1,  1,  1,  1, 

  322.  1,  1,  1,  1,  1,  1,  1,  1, 

  323.  1,  1, 

  324. };

  325. 

  326. static RLTable rvlc_rl_intra = {

  327.     169,

  328.     103,

  329.     intra_rvlc,

  330.     intra_rvlc_run,

  331.     intra_rvlc_level,

  332. };

  333. 

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

  335.  {0x00, 2}, {0x02, 3},  {0x03, 3},  {0x04, 3}, {0x05, 3}, {0x06, 3},

  336.  {0x0E, 4}, {0x1E, 5},  {0x3E, 6},  {0x7E, 7}, {0xFE, 8}, 

  337.  {0x1FE, 9},{0x3FE, 10},{0x7FE, 11},{0xFFE, 12},

  338. };

  339. 

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

  341.  {1, 1}, {1, 2}, {1, 3}, {1, 4},

  342. };

  343. 

  344. static const AVRational pixel_aspect[16]={

  345.  {0, 1},

  346.  {1, 1},

  347.  {12, 11},

  348.  {10, 11},

  349.  {16, 11},

  350.  {40, 33},

  351.  {0, 1},

  352.  {0, 1},

  353.  {0, 1},

  354.  {0, 1},

  355.  {0, 1},

  356.  {0, 1},

  357.  {0, 1},

  358.  {0, 1},

  359.  {0, 1},

  360.  {0, 1},

  361. };

  362. 

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

  364. const int16_t ff_mpeg4_default_intra_matrix[64] = {

  365.   8, 17, 18, 19, 21, 23, 25, 27,

  366.  17, 18, 19, 21, 23, 25, 27, 28,

  367.  20, 21, 22, 23, 24, 26, 28, 30,

  368.  21, 22, 23, 24, 26, 28, 30, 32,

  369.  22, 23, 24, 26, 28, 30, 32, 35,

  370.  23, 24, 26, 28, 30, 32, 35, 38,

  371.  25, 26, 28, 30, 32, 35, 38, 41,

  372.  27, 28, 30, 32, 35, 38, 41, 45, 

  373. };

  374. 

  375. const int16_t ff_mpeg4_default_non_intra_matrix[64] = {

  376.  16, 17, 18, 19, 20, 21, 22, 23,

  377.  17, 18, 19, 20, 21, 22, 23, 24,

  378.  18, 19, 20, 21, 22, 23, 24, 25,

  379.  19, 20, 21, 22, 23, 24, 26, 27,

  380.  20, 21, 22, 23, 25, 26, 27, 28,

  381.  21, 22, 23, 24, 26, 27, 28, 30,

  382.  22, 23, 24, 26, 27, 28, 30, 31,

  383.  23, 24, 25, 27, 28, 30, 31, 33,

  384. };

  385. 

  386. uint8_t ff_mpeg4_y_dc_scale_table[32]={

  387. //  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

  388.     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

  389. };

  390. uint8_t ff_mpeg4_c_dc_scale_table[32]={

  391. //  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

  392.     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

  393. };

  394. 

  395. const uint16_t ff_mpeg4_resync_prefix[8]={

  396.     0x7F00, 0x7E00, 0x7C00, 0x7800, 0x7000, 0x6000, 0x4000, 0x0000

  397. };

  398. 

  399. static const uint8_t mpeg4_dc_threshold[8]={

  400.     99, 13, 15, 17, 19, 21, 23, 0

  401. };