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FFmpeg/libavcodec/h263data.h

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  1. /*

  2.  * copyright (c) 2000,2001 Fabrice Bellard

  3.  * H263+ support

  4.  * copyright (c) 2001 Juan J. Sierralta P

  5.  * copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>

  6.  *

  7.  * This file is part of Libav.

  8.  *

  9.  * Libav is free software; you can redistribute it and/or

  10.  * modify it under the terms of the GNU Lesser General Public

  11.  * License as published by the Free Software Foundation; either

  12.  * version 2.1 of the License, or (at your option) any later version.

  13.  *

  14.  * Libav is distributed in the hope that it will be useful,

  15.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  16.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

  17.  * Lesser General Public License for more details.

  18.  *

  19.  * You should have received a copy of the GNU Lesser General Public

  20.  * License along with Libav; if not, write to the Free Software

  21.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

  22.  */

  23. 

  24. /**

  25.  * @file

  26.  * H.263 tables.

  27.  */

  28. 

  29. #ifndef AVCODEC_H263DATA_H

  30. #define AVCODEC_H263DATA_H

  31. 

  32. #include <stdint.h>

  33. #include "mpegvideo.h"

  34. 

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

  36. const uint8_t ff_h263_intra_MCBPC_code[9] = { 1, 1, 2, 3, 1, 1, 2, 3, 1 };

  37. const uint8_t ff_h263_intra_MCBPC_bits[9] = { 1, 3, 3, 3, 4, 6, 6, 6, 9 };

  38. 

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

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

  41. const uint8_t ff_h263_inter_MCBPC_code[28] = {

  42.     1, 3, 2, 5,

  43.     3, 4, 3, 3,

  44.     3, 7, 6, 5,

  45.     4, 4, 3, 2,

  46.     2, 5, 4, 5,

  47.     1, 0, 0, 0, /* Stuffing */

  48.     2, 12, 14, 15,

  49. };

  50. const uint8_t ff_h263_inter_MCBPC_bits[28] = {

  51.     1, 4, 4, 6, /* inter  */

  52.     5, 8, 8, 7, /* intra  */

  53.     3, 7, 7, 9, /* interQ */

  54.     6, 9, 9, 9, /* intraQ */

  55.     3, 7, 7, 8, /* inter4 */

  56.     9, 0, 0, 0, /* Stuffing */

  57.     11, 13, 13, 13,/* inter4Q*/

  58. };

  59. 

  60. const uint8_t ff_h263_mbtype_b_tab[15][2] = {

  61.  {1, 1},

  62.  {3, 3},

  63.  {1, 5},

  64.  {4, 4},

  65.  {5, 4},

  66.  {6, 6},

  67.  {2, 4},

  68.  {3, 4},

  69.  {7, 6},

  70.  {4, 6},

  71.  {5, 6},

  72.  {1, 6},

  73.  {1,10},

  74.  {1, 7},

  75.  {1, 8},

  76. };

  77. 

  78. const uint8_t ff_cbpc_b_tab[4][2] = {

  79. {0, 1},

  80. {2, 2},

  81. {7, 3},

  82. {6, 3},

  83. };

  84. 

  85. const uint8_t ff_h263_cbpy_tab[16][2] =

  86. {

  87.   {3,4}, {5,5}, {4,5}, {9,4}, {3,5}, {7,4}, {2,6}, {11,4},

  88.   {2,5}, {3,6}, {5,4}, {10,4}, {4,4}, {8,4}, {6,4}, {3,2}

  89. };

  90. 

  91. const uint8_t ff_mvtab[33][2] =

  92. {

  93.   {1,1}, {1,2}, {1,3}, {1,4}, {3,6}, {5,7}, {4,7}, {3,7},

  94.   {11,9}, {10,9}, {9,9}, {17,10}, {16,10}, {15,10}, {14,10}, {13,10},

  95.   {12,10}, {11,10}, {10,10}, {9,10}, {8,10}, {7,10}, {6,10}, {5,10},

  96.   {4,10}, {7,11}, {6,11}, {5,11}, {4,11}, {3,11}, {2,11}, {3,12},

  97.   {2,12}

  98. };

  99. 

  100. /* third non intra table */

  101. const uint16_t ff_inter_vlc[103][2] = {

  102. { 0x2, 2 },{ 0xf, 4 },{ 0x15, 6 },{ 0x17, 7 },

  103. { 0x1f, 8 },{ 0x25, 9 },{ 0x24, 9 },{ 0x21, 10 },

  104. { 0x20, 10 },{ 0x7, 11 },{ 0x6, 11 },{ 0x20, 11 },

  105. { 0x6, 3 },{ 0x14, 6 },{ 0x1e, 8 },{ 0xf, 10 },

  106. { 0x21, 11 },{ 0x50, 12 },{ 0xe, 4 },{ 0x1d, 8 },

  107. { 0xe, 10 },{ 0x51, 12 },{ 0xd, 5 },{ 0x23, 9 },

  108. { 0xd, 10 },{ 0xc, 5 },{ 0x22, 9 },{ 0x52, 12 },

  109. { 0xb, 5 },{ 0xc, 10 },{ 0x53, 12 },{ 0x13, 6 },

  110. { 0xb, 10 },{ 0x54, 12 },{ 0x12, 6 },{ 0xa, 10 },

  111. { 0x11, 6 },{ 0x9, 10 },{ 0x10, 6 },{ 0x8, 10 },

  112. { 0x16, 7 },{ 0x55, 12 },{ 0x15, 7 },{ 0x14, 7 },

  113. { 0x1c, 8 },{ 0x1b, 8 },{ 0x21, 9 },{ 0x20, 9 },

  114. { 0x1f, 9 },{ 0x1e, 9 },{ 0x1d, 9 },{ 0x1c, 9 },

  115. { 0x1b, 9 },{ 0x1a, 9 },{ 0x22, 11 },{ 0x23, 11 },

  116. { 0x56, 12 },{ 0x57, 12 },{ 0x7, 4 },{ 0x19, 9 },

  117. { 0x5, 11 },{ 0xf, 6 },{ 0x4, 11 },{ 0xe, 6 },

  118. { 0xd, 6 },{ 0xc, 6 },{ 0x13, 7 },{ 0x12, 7 },

  119. { 0x11, 7 },{ 0x10, 7 },{ 0x1a, 8 },{ 0x19, 8 },

  120. { 0x18, 8 },{ 0x17, 8 },{ 0x16, 8 },{ 0x15, 8 },

  121. { 0x14, 8 },{ 0x13, 8 },{ 0x18, 9 },{ 0x17, 9 },

  122. { 0x16, 9 },{ 0x15, 9 },{ 0x14, 9 },{ 0x13, 9 },

  123. { 0x12, 9 },{ 0x11, 9 },{ 0x7, 10 },{ 0x6, 10 },

  124. { 0x5, 10 },{ 0x4, 10 },{ 0x24, 11 },{ 0x25, 11 },

  125. { 0x26, 11 },{ 0x27, 11 },{ 0x58, 12 },{ 0x59, 12 },

  126. { 0x5a, 12 },{ 0x5b, 12 },{ 0x5c, 12 },{ 0x5d, 12 },

  127. { 0x5e, 12 },{ 0x5f, 12 },{ 0x3, 7 },

  128. };

  129. 

  130. const int8_t ff_inter_level[102] = {

  131.   1,  2,  3,  4,  5,  6,  7,  8,

  132.   9, 10, 11, 12,  1,  2,  3,  4,

  133.   5,  6,  1,  2,  3,  4,  1,  2,

  134.   3,  1,  2,  3,  1,  2,  3,  1,

  135.   2,  3,  1,  2,  1,  2,  1,  2,

  136.   1,  2,  1,  1,  1,  1,  1,  1,

  137.   1,  1,  1,  1,  1,  1,  1,  1,

  138.   1,  1,  1,  2,  3,  1,  2,  1,

  139.   1,  1,  1,  1,  1,  1,  1,  1,

  140.   1,  1,  1,  1,  1,  1,  1,  1,

  141.   1,  1,  1,  1,  1,  1,  1,  1,

  142.   1,  1,  1,  1,  1,  1,  1,  1,

  143.   1,  1,  1,  1,  1,  1,

  144. };

  145. 

  146. const int8_t ff_inter_run[102] = {

  147.   0,  0,  0,  0,  0,  0,  0,  0,

  148.   0,  0,  0,  0,  1,  1,  1,  1,

  149.   1,  1,  2,  2,  2,  2,  3,  3,

  150.   3,  4,  4,  4,  5,  5,  5,  6,

  151.   6,  6,  7,  7,  8,  8,  9,  9,

  152.  10, 10, 11, 12, 13, 14, 15, 16,

  153.  17, 18, 19, 20, 21, 22, 23, 24,

  154.  25, 26,  0,  0,  0,  1,  1,  2,

  155.   3,  4,  5,  6,  7,  8,  9, 10,

  156.  11, 12, 13, 14, 15, 16, 17, 18,

  157.  19, 20, 21, 22, 23, 24, 25, 26,

  158.  27, 28, 29, 30, 31, 32, 33, 34,

  159.  35, 36, 37, 38, 39, 40,

  160. };

  161. 

  162. RLTable ff_h263_rl_inter = {

  163.     102,

  164.     58,

  165.     ff_inter_vlc,

  166.     ff_inter_run,

  167.     ff_inter_level,

  168. };

  169. 

  170. static const uint16_t intra_vlc_aic[103][2] = {

  171. {  0x2,  2 }, {  0x6,  3 }, {  0xe,  4 }, {  0xc,  5 },

  172. {  0xd,  5 }, { 0x10,  6 }, { 0x11,  6 }, { 0x12,  6 },

  173. { 0x16,  7 }, { 0x1b,  8 }, { 0x20,  9 }, { 0x21,  9 },

  174. { 0x1a,  9 }, { 0x1b,  9 }, { 0x1c,  9 }, { 0x1d,  9 },

  175. { 0x1e,  9 }, { 0x1f,  9 }, { 0x23, 11 }, { 0x22, 11 },

  176. { 0x57, 12 }, { 0x56, 12 }, { 0x55, 12 }, { 0x54, 12 },

  177. { 0x53, 12 }, {  0xf,  4 }, { 0x14,  6 }, { 0x14,  7 },

  178. { 0x1e,  8 }, {  0xf, 10 }, { 0x21, 11 }, { 0x50, 12 },

  179. {  0xb,  5 }, { 0x15,  7 }, {  0xe, 10 }, {  0x9, 10 },

  180. { 0x15,  6 }, { 0x1d,  8 }, {  0xd, 10 }, { 0x51, 12 },

  181. { 0x13,  6 }, { 0x23,  9 }, {  0x7, 11 }, { 0x17,  7 },

  182. { 0x22,  9 }, { 0x52, 12 }, { 0x1c,  8 }, {  0xc, 10 },

  183. { 0x1f,  8 }, {  0xb, 10 }, { 0x25,  9 }, {  0xa, 10 },

  184. { 0x24,  9 }, {  0x6, 11 }, { 0x21, 10 }, { 0x20, 10 },

  185. {  0x8, 10 }, { 0x20, 11 }, {  0x7,  4 }, {  0xc,  6 },

  186. { 0x10,  7 }, { 0x13,  8 }, { 0x11,  9 }, { 0x12,  9 },

  187. {  0x4, 10 }, { 0x27, 11 }, { 0x26, 11 }, { 0x5f, 12 },

  188. {  0xf,  6 }, { 0x13,  9 }, {  0x5, 10 }, { 0x25, 11 },

  189. {  0xe,  6 }, { 0x14,  9 }, { 0x24, 11 }, {  0xd,  6 },

  190. {  0x6, 10 }, { 0x5e, 12 }, { 0x11,  7 }, {  0x7, 10 },

  191. { 0x13,  7 }, { 0x5d, 12 }, { 0x12,  7 }, { 0x5c, 12 },

  192. { 0x14,  8 }, { 0x5b, 12 }, { 0x15,  8 }, { 0x1a,  8 },

  193. { 0x19,  8 }, { 0x18,  8 }, { 0x17,  8 }, { 0x16,  8 },

  194. { 0x19,  9 }, { 0x15,  9 }, { 0x16,  9 }, { 0x18,  9 },

  195. { 0x17,  9 }, {  0x4, 11 }, {  0x5, 11 }, { 0x58, 12 },

  196. { 0x59, 12 }, { 0x5a, 12 }, {  0x3,  7 },

  197. };

  198. 

  199. static const int8_t intra_run_aic[102] = {

  200.  0,  0,  0,  0,  0,  0,  0,  0,

  201.  0,  0,  0,  0,  0,  0,  0,  0,

  202.  0,  0,  0,  0,  0,  0,  0,  0,

  203.  0,  1,  1,  1,  1,  1,  1,  1,

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

  205.  4,  4,  4,  5,  5,  5,  6,  6,

  206.  7,  7,  8,  8,  9,  9, 10, 11,

  207. 12, 13,  0,  0,  0,  0,  0,  0,

  208.  0,  0,  0,  0,  1,  1,  1,  1,

  209.  2,  2,  2,  3,  3,  3,  4,  4,

  210.  5,  5,  6,  6,  7,  7,  8,  9,

  211. 10, 11, 12, 13, 14, 15, 16, 17,

  212. 18, 19, 20, 21, 22, 23,

  213. };

  214. 

  215. static const int8_t intra_level_aic[102] = {

  216.  1,  2,  3,  4,  5,  6,  7,  8,

  217.  9, 10, 11, 12, 13, 14, 15, 16,

  218. 17, 18, 19, 20, 21, 22, 23, 24,

  219. 25,  1,  2,  3,  4,  5,  6,  7,

  220.  1,  2,  3,  4,  1,  2,  3,  4,

  221.  1,  2,  3,  1,  2,  3,  1,  2,

  222.  1,  2,  1,  2,  1,  2,  1,  1,

  223.  1,  1,  1,  2,  3,  4,  5,  6,

  224.  7,  8,  9, 10,  1,  2,  3,  4,

  225.  1,  2,  3,  1,  2,  3,  1,  2,

  226.  1,  2,  1,  2,  1,  2,  1,  1,

  227.  1,  1,  1,  1,  1,  1,  1,  1,

  228.  1,  1,  1,  1,  1,  1,

  229. };

  230. 

  231. RLTable ff_rl_intra_aic = {

  232.     102,

  233.     58,

  234.     intra_vlc_aic,

  235.     intra_run_aic,

  236.     intra_level_aic,

  237. };

  238. 

  239. const uint16_t ff_h263_format[8][2] = {

  240.     { 0, 0 },

  241.     { 128, 96 },

  242.     { 176, 144 },

  243.     { 352, 288 },

  244.     { 704, 576 },

  245.     { 1408, 1152 },

  246. };

  247. 

  248. const uint8_t ff_aic_dc_scale_table[32]={

  249. //  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

  250.     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

  251. };

  252. 

  253. const uint8_t ff_modified_quant_tab[2][32]={

  254. //  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

  255. {

  256.     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

  257. },{

  258.     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

  259. }

  260. };

  261. 

  262. const uint8_t ff_h263_chroma_qscale_table[32]={

  263. //  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

  264.     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

  265. };

  266. 

  267. uint16_t ff_mba_max[6]={

  268.      47,  98, 395,1583,6335,9215

  269. };

  270. 

  271. uint8_t ff_mba_length[7]={

  272.       6,   7,   9,  11,  13,  14,  14

  273. };

  274. 

  275. const uint8_t ff_h263_loop_filter_strength[32]={

  276. //  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

  277.     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

  278. };

  279. 

  280. const AVRational ff_h263_pixel_aspect[16]={

  281.  {0, 1},

  282.  {1, 1},

  283.  {12, 11},

  284.  {10, 11},

  285.  {16, 11},

  286.  {40, 33},

  287.  {0, 1},

  288.  {0, 1},

  289.  {0, 1},

  290.  {0, 1},

  291.  {0, 1},

  292.  {0, 1},

  293.  {0, 1},

  294.  {0, 1},

  295.  {0, 1},

  296.  {0, 1},

  297. };

  298. 

  299. #endif /* AVCODEC_H263DATA_H */