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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[9] = { 1, 1, 2, 3, 1, 1, 2, 3, 1 };

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

  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[28] = { 

  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, 0, 0, 0, /* Stuffing */

  20.     2, 12, 14, 15,

  21. };

  22. const uint8_t inter_MCBPC_bits[28] = { 

  23.     1, 4, 4, 6, /* inter  */

  24.     5, 8, 8, 7, /* intra  */

  25.     3, 7, 7, 9, /* interQ */

  26.     6, 9, 9, 9, /* intraQ */

  27.     3, 7, 7, 8, /* inter4 */

  28.     9, 0, 0, 0, /* Stuffing */

  29.     11, 13, 13, 13,/* inter4Q*/

  30. };

  31. 

  32. static const uint8_t h263_mbtype_b_tab[15][2] = {

  33.  {1, 1}, 

  34.  {3, 3}, 

  35.  {1, 5}, 

  36.  {4, 4},

  37.  {5, 4},

  38.  {6, 6},

  39.  {2, 4},

  40.  {3, 4},

  41.  {7, 6},

  42.  {4, 6},

  43.  {5, 6},

  44.  {1, 6},

  45.  {1,10},

  46.  {1, 7},

  47.  {1, 8},

  48. };

  49. 

  50. static const int h263_mb_type_b_map[15]= {

  51.     MB_TYPE_DIRECT2 | MB_TYPE_L0L1,

  52.     MB_TYPE_DIRECT2 | MB_TYPE_L0L1 | MB_TYPE_CBP,

  53.     MB_TYPE_DIRECT2 | MB_TYPE_L0L1 | MB_TYPE_CBP | MB_TYPE_QUANT,

  54.                       MB_TYPE_L0                                 | MB_TYPE_16x16,

  55.                       MB_TYPE_L0   | MB_TYPE_CBP                 | MB_TYPE_16x16,

  56.                       MB_TYPE_L0   | MB_TYPE_CBP | MB_TYPE_QUANT | MB_TYPE_16x16,

  57.                       MB_TYPE_L1                                 | MB_TYPE_16x16,

  58.                       MB_TYPE_L1   | MB_TYPE_CBP                 | MB_TYPE_16x16,

  59.                       MB_TYPE_L1   | MB_TYPE_CBP | MB_TYPE_QUANT | MB_TYPE_16x16,

  60.                       MB_TYPE_L0L1                               | MB_TYPE_16x16,

  61.                       MB_TYPE_L0L1 | MB_TYPE_CBP                 | MB_TYPE_16x16,

  62.                       MB_TYPE_L0L1 | MB_TYPE_CBP | MB_TYPE_QUANT | MB_TYPE_16x16,

  63.     0, //stuffing

  64.     MB_TYPE_INTRA4x4                | MB_TYPE_CBP,

  65.     MB_TYPE_INTRA4x4                | MB_TYPE_CBP | MB_TYPE_QUANT,

  66. };

  67. 

  68. const uint8_t cbpc_b_tab[4][2] = {

  69. {0, 1},

  70. {2, 2},

  71. {7, 3},

  72. {6, 3},

  73. };

  74. 

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

  76. {

  77.   {3,4}, {5,5}, {4,5}, {9,4}, {3,5}, {7,4}, {2,6}, {11,4},

  78.   {2,5}, {3,6}, {5,4}, {10,4}, {4,4}, {8,4}, {6,4}, {3,2}

  79. };

  80. 

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

  82. {

  83.   {1,1}, {1,2}, {1,3}, {1,4}, {3,6}, {5,7}, {4,7}, {3,7},

  84.   {11,9}, {10,9}, {9,9}, {17,10}, {16,10}, {15,10}, {14,10}, {13,10},

  85.   {12,10}, {11,10}, {10,10}, {9,10}, {8,10}, {7,10}, {6,10}, {5,10},

  86.   {4,10}, {7,11}, {6,11}, {5,11}, {4,11}, {3,11}, {2,11}, {3,12},

  87.   {2,12}

  88. };

  89. 

  90. /* third non intra table */

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

  92. { 0x2, 2 },{ 0xf, 4 },{ 0x15, 6 },{ 0x17, 7 },

  93. { 0x1f, 8 },{ 0x25, 9 },{ 0x24, 9 },{ 0x21, 10 },

  94. { 0x20, 10 },{ 0x7, 11 },{ 0x6, 11 },{ 0x20, 11 },

  95. { 0x6, 3 },{ 0x14, 6 },{ 0x1e, 8 },{ 0xf, 10 },

  96. { 0x21, 11 },{ 0x50, 12 },{ 0xe, 4 },{ 0x1d, 8 },

  97. { 0xe, 10 },{ 0x51, 12 },{ 0xd, 5 },{ 0x23, 9 },

  98. { 0xd, 10 },{ 0xc, 5 },{ 0x22, 9 },{ 0x52, 12 },

  99. { 0xb, 5 },{ 0xc, 10 },{ 0x53, 12 },{ 0x13, 6 },

  100. { 0xb, 10 },{ 0x54, 12 },{ 0x12, 6 },{ 0xa, 10 },

  101. { 0x11, 6 },{ 0x9, 10 },{ 0x10, 6 },{ 0x8, 10 },

  102. { 0x16, 7 },{ 0x55, 12 },{ 0x15, 7 },{ 0x14, 7 },

  103. { 0x1c, 8 },{ 0x1b, 8 },{ 0x21, 9 },{ 0x20, 9 },

  104. { 0x1f, 9 },{ 0x1e, 9 },{ 0x1d, 9 },{ 0x1c, 9 },

  105. { 0x1b, 9 },{ 0x1a, 9 },{ 0x22, 11 },{ 0x23, 11 },

  106. { 0x56, 12 },{ 0x57, 12 },{ 0x7, 4 },{ 0x19, 9 },

  107. { 0x5, 11 },{ 0xf, 6 },{ 0x4, 11 },{ 0xe, 6 },

  108. { 0xd, 6 },{ 0xc, 6 },{ 0x13, 7 },{ 0x12, 7 },

  109. { 0x11, 7 },{ 0x10, 7 },{ 0x1a, 8 },{ 0x19, 8 },

  110. { 0x18, 8 },{ 0x17, 8 },{ 0x16, 8 },{ 0x15, 8 },

  111. { 0x14, 8 },{ 0x13, 8 },{ 0x18, 9 },{ 0x17, 9 },

  112. { 0x16, 9 },{ 0x15, 9 },{ 0x14, 9 },{ 0x13, 9 },

  113. { 0x12, 9 },{ 0x11, 9 },{ 0x7, 10 },{ 0x6, 10 },

  114. { 0x5, 10 },{ 0x4, 10 },{ 0x24, 11 },{ 0x25, 11 },

  115. { 0x26, 11 },{ 0x27, 11 },{ 0x58, 12 },{ 0x59, 12 },

  116. { 0x5a, 12 },{ 0x5b, 12 },{ 0x5c, 12 },{ 0x5d, 12 },

  117. { 0x5e, 12 },{ 0x5f, 12 },{ 0x3, 7 },

  118. };

  119. 

  120. const int8_t inter_level[102] = {

  121.   1,  2,  3,  4,  5,  6,  7,  8,

  122.   9, 10, 11, 12,  1,  2,  3,  4,

  123.   5,  6,  1,  2,  3,  4,  1,  2,

  124.   3,  1,  2,  3,  1,  2,  3,  1,

  125.   2,  3,  1,  2,  1,  2,  1,  2,

  126.   1,  2,  1,  1,  1,  1,  1,  1,

  127.   1,  1,  1,  1,  1,  1,  1,  1,

  128.   1,  1,  1,  2,  3,  1,  2,  1,

  129.   1,  1,  1,  1,  1,  1,  1,  1,

  130.   1,  1,  1,  1,  1,  1,  1,  1,

  131.   1,  1,  1,  1,  1,  1,  1,  1,

  132.   1,  1,  1,  1,  1,  1,  1,  1,

  133.   1,  1,  1,  1,  1,  1,

  134. };

  135. 

  136. const int8_t inter_run[102] = {

  137.   0,  0,  0,  0,  0,  0,  0,  0,

  138.   0,  0,  0,  0,  1,  1,  1,  1,

  139.   1,  1,  2,  2,  2,  2,  3,  3,

  140.   3,  4,  4,  4,  5,  5,  5,  6,

  141.   6,  6,  7,  7,  8,  8,  9,  9,

  142.  10, 10, 11, 12, 13, 14, 15, 16,

  143.  17, 18, 19, 20, 21, 22, 23, 24,

  144.  25, 26,  0,  0,  0,  1,  1,  2,

  145.   3,  4,  5,  6,  7,  8,  9, 10,

  146.  11, 12, 13, 14, 15, 16, 17, 18,

  147.  19, 20, 21, 22, 23, 24, 25, 26,

  148.  27, 28, 29, 30, 31, 32, 33, 34,

  149.  35, 36, 37, 38, 39, 40,

  150. };

  151. 

  152. static RLTable rl_inter = {

  153.     102,

  154.     58,

  155.     inter_vlc,

  156.     inter_run,

  157.     inter_level,

  158. };

  159. 

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

  161. {  0x2,  2 }, {  0x6,  3 }, {  0xe,  4 }, {  0xc,  5 }, 

  162. {  0xd,  5 }, { 0x10,  6 }, { 0x11,  6 }, { 0x12,  6 }, 

  163. { 0x16,  7 }, { 0x1b,  8 }, { 0x20,  9 }, { 0x21,  9 }, 

  164. { 0x1a,  9 }, { 0x1b,  9 }, { 0x1c,  9 }, { 0x1d,  9 }, 

  165. { 0x1e,  9 }, { 0x1f,  9 }, { 0x23, 11 }, { 0x22, 11 }, 

  166. { 0x57, 12 }, { 0x56, 12 }, { 0x55, 12 }, { 0x54, 12 }, 

  167. { 0x53, 12 }, {  0xf,  4 }, { 0x14,  6 }, { 0x14,  7 }, 

  168. { 0x1e,  8 }, {  0xf, 10 }, { 0x21, 11 }, { 0x50, 12 }, 

  169. {  0xb,  5 }, { 0x15,  7 }, {  0xe, 10 }, {  0x9, 10 }, 

  170. { 0x15,  6 }, { 0x1d,  8 }, {  0xd, 10 }, { 0x51, 12 }, 

  171. { 0x13,  6 }, { 0x23,  9 }, {  0x7, 11 }, { 0x17,  7 }, 

  172. { 0x22,  9 }, { 0x52, 12 }, { 0x1c,  8 }, {  0xc, 10 }, 

  173. { 0x1f,  8 }, {  0xb, 10 }, { 0x25,  9 }, {  0xa, 10 }, 

  174. { 0x24,  9 }, {  0x6, 11 }, { 0x21, 10 }, { 0x20, 10 }, 

  175. {  0x8, 10 }, { 0x20, 11 }, {  0x7,  4 }, {  0xc,  6 }, 

  176. { 0x10,  7 }, { 0x13,  8 }, { 0x11,  9 }, { 0x12,  9 }, 

  177. {  0x4, 10 }, { 0x27, 11 }, { 0x26, 11 }, { 0x5f, 12 }, 

  178. {  0xf,  6 }, { 0x13,  9 }, {  0x5, 10 }, { 0x25, 11 }, 

  179. {  0xe,  6 }, { 0x14,  9 }, { 0x24, 11 }, {  0xd,  6 }, 

  180. {  0x6, 10 }, { 0x5e, 12 }, { 0x11,  7 }, {  0x7, 10 }, 

  181. { 0x13,  7 }, { 0x5d, 12 }, { 0x12,  7 }, { 0x5c, 12 }, 

  182. { 0x14,  8 }, { 0x5b, 12 }, { 0x15,  8 }, { 0x1a,  8 }, 

  183. { 0x19,  8 }, { 0x18,  8 }, { 0x17,  8 }, { 0x16,  8 }, 

  184. { 0x19,  9 }, { 0x15,  9 }, { 0x16,  9 }, { 0x18,  9 }, 

  185. { 0x17,  9 }, {  0x4, 11 }, {  0x5, 11 }, { 0x58, 12 }, 

  186. { 0x59, 12 }, { 0x5a, 12 }, {  0x3,  7 },

  187. };

  188. 

  189. const int8_t intra_run_aic[102] = {

  190.  0,  0,  0,  0,  0,  0,  0,  0, 

  191.  0,  0,  0,  0,  0,  0,  0,  0, 

  192.  0,  0,  0,  0,  0,  0,  0,  0, 

  193.  0,  1,  1,  1,  1,  1,  1,  1, 

  194.  2,  2,  2,  2,  3,  3,  3,  3, 

  195.  4,  4,  4,  5,  5,  5,  6,  6, 

  196.  7,  7,  8,  8,  9,  9, 10, 11, 

  197. 12, 13,  0,  0,  0,  0,  0,  0, 

  198.  0,  0,  0,  0,  1,  1,  1,  1, 

  199.  2,  2,  2,  3,  3,  3,  4,  4, 

  200.  5,  5,  6,  6,  7,  7,  8,  9, 

  201. 10, 11, 12, 13, 14, 15, 16, 17, 

  202. 18, 19, 20, 21, 22, 23, 

  203. };

  204. 

  205. const int8_t intra_level_aic[102] = {

  206.  1,  2,  3,  4,  5,  6,  7,  8, 

  207.  9, 10, 11, 12, 13, 14, 15, 16, 

  208. 17, 18, 19, 20, 21, 22, 23, 24, 

  209. 25,  1,  2,  3,  4,  5,  6,  7, 

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

  211.  1,  2,  3,  1,  2,  3,  1,  2, 

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

  213.  1,  1,  1,  2,  3,  4,  5,  6, 

  214.  7,  8,  9, 10,  1,  2,  3,  4, 

  215.  1,  2,  3,  1,  2,  3,  1,  2, 

  216.  1,  2,  1,  2,  1,  2,  1,  1, 

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

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

  219. };

  220. 

  221. static RLTable rl_intra_aic = {

  222.     102,

  223.     58,

  224.     intra_vlc_aic,

  225.     intra_run_aic,

  226.     intra_level_aic,

  227. };

  228. 

  229. static const uint8_t wrong_run[102] = {

  230.  1,  2,  3,  5,  4, 10,  9,  8, 

  231. 11, 15, 17, 16, 23, 22, 21, 20, 

  232. 19, 18, 25, 24, 27, 26, 11,  7,  

  233.  6,  1,  2, 13,  2,  2,  2,  2, 

  234.  6, 12,  3,  9,  1,  3,  4,  3, 

  235.  7,  4,  1,  1,  5,  5, 14,  6, 

  236.  1,  7,  1,  8,  1,  1,  1,  1, 

  237. 10,  1,  1,  5,  9, 17, 25, 24, 

  238. 29, 33, 32, 41,  2, 23, 28, 31,  

  239.  3, 22, 30,  4, 27, 40,  8, 26,  

  240.  6, 39,  7, 38, 16, 37, 15, 10, 

  241. 11, 12, 13, 14,  1, 21, 20, 18, 

  242. 19,  2,  1, 34, 35, 36

  243. };

  244. 

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

  246.     { 0, 0 },

  247.     { 128, 96 },

  248.     { 176, 144 },

  249.     { 352, 288 },

  250.     { 704, 576 },

  251.     { 1408, 1152 },

  252. };

  253. 

  254. const uint8_t ff_aic_dc_scale_table[32]={

  255. //  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

  256.     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

  257. };

  258. 

  259. static const uint8_t modified_quant_tab[2][32]={

  260. //  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

  261. {

  262.     0, 3, 1, 2, 3, 4, 5, 6, 7, 8, 9, 9,10,11,12,13,14,15,16,17,18,18,19,20,21,22,23,24,25,26,27,28

  263. },{

  264.     0, 2, 3, 4, 5, 6, 7, 8, 9,10,11,13,14,15,16,17,18,19,20,21,22,24,25,26,27,28,29,30,31,31,31,26

  265. }   

  266. };

  267. 

  268. const uint8_t ff_h263_chroma_qscale_table[32]={

  269. //  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

  270.     0, 1, 2, 3, 4, 5, 6, 6, 7, 8, 9, 9,10,10,11,11,12,12,12,13,13,13,14,14,14,14,14,15,15,15,15,15

  271. };

  272. 

  273. const uint16_t ff_mba_max[6]={

  274.      47,  98, 395,1583,6335,9215

  275. };

  276. 

  277. const uint8_t ff_mba_length[6]={

  278.       6,   7,   9,  11,  13,  14

  279. };

  280. 

  281. const uint8_t ff_h263_loop_filter_strength[32]={

  282. //  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

  283.     0, 1, 1, 2, 2, 3, 3, 4, 4, 4, 5, 5, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9,10,10,10,11,11,11,12,12,12

  284. };