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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 FFmpeg.
  8.  *
  9.  * FFmpeg 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.  * FFmpeg 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 FFmpeg; 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. const uint16_t ff_mba_max[6]={
  268.      47,  98, 395,1583,6335,9215
  269. };
  270.  
  271. const 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 */
  300.