ffmpeg/libavcodec/h263data.h

   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 AVRational ff_h263_pixel_aspect[16]={
 276  {0, 1},
 277  {1, 1},
 278  {12, 11},
 279  {10, 11},
 280  {16, 11},
 281  {40, 33},
 282  {0, 1},
 283  {0, 1},
 284  {0, 1},
 285  {0, 1},
 286  {0, 1},
 287  {0, 1},
 288  {0, 1},
 289  {0, 1},
 290  {0, 1},
 291  {0, 1},
 292 };
 293
 294 #endif /* AVCODEC_H263DATA_H */