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 libavcodec/h263data.h
  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 intra_MCBPC_code[9] = { 1, 1, 2, 3, 1, 1, 2, 3, 1 };
  37 const uint8_t 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 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 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 static const uint8_t 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 static const int h263_mb_type_b_map[15]= {
  79     MB_TYPE_DIRECT2 | MB_TYPE_L0L1,
  80     MB_TYPE_DIRECT2 | MB_TYPE_L0L1 | MB_TYPE_CBP,
  81     MB_TYPE_DIRECT2 | MB_TYPE_L0L1 | MB_TYPE_CBP | MB_TYPE_QUANT,
  82                       MB_TYPE_L0                                 | MB_TYPE_16x16,
  83                       MB_TYPE_L0   | MB_TYPE_CBP                 | MB_TYPE_16x16,
  84                       MB_TYPE_L0   | MB_TYPE_CBP | MB_TYPE_QUANT | MB_TYPE_16x16,
  85                       MB_TYPE_L1                                 | MB_TYPE_16x16,
  86                       MB_TYPE_L1   | MB_TYPE_CBP                 | MB_TYPE_16x16,
  87                       MB_TYPE_L1   | MB_TYPE_CBP | MB_TYPE_QUANT | MB_TYPE_16x16,
  88                       MB_TYPE_L0L1                               | MB_TYPE_16x16,
  89                       MB_TYPE_L0L1 | MB_TYPE_CBP                 | MB_TYPE_16x16,
  90                       MB_TYPE_L0L1 | MB_TYPE_CBP | MB_TYPE_QUANT | MB_TYPE_16x16,
  91     0, //stuffing
  92     MB_TYPE_INTRA4x4                | MB_TYPE_CBP,
  93     MB_TYPE_INTRA4x4                | MB_TYPE_CBP | MB_TYPE_QUANT,
  94 };
  95
  96 static const uint8_t cbpc_b_tab[4][2] = {
  97 {0, 1},
  98 {2, 2},
  99 {7, 3},
 100 {6, 3},
 101 };
 102
 103 const uint8_t cbpy_tab[16][2] =
 104 {
 105   {3,4}, {5,5}, {4,5}, {9,4}, {3,5}, {7,4}, {2,6}, {11,4},
 106   {2,5}, {3,6}, {5,4}, {10,4}, {4,4}, {8,4}, {6,4}, {3,2}
 107 };
 108
 109 const uint8_t mvtab[33][2] =
 110 {
 111   {1,1}, {1,2}, {1,3}, {1,4}, {3,6}, {5,7}, {4,7}, {3,7},
 112   {11,9}, {10,9}, {9,9}, {17,10}, {16,10}, {15,10}, {14,10}, {13,10},
 113   {12,10}, {11,10}, {10,10}, {9,10}, {8,10}, {7,10}, {6,10}, {5,10},
 114   {4,10}, {7,11}, {6,11}, {5,11}, {4,11}, {3,11}, {2,11}, {3,12},
 115   {2,12}
 116 };
 117
 118 /* third non intra table */
 119 const uint16_t inter_vlc[103][2] = {
 120 { 0x2, 2 },{ 0xf, 4 },{ 0x15, 6 },{ 0x17, 7 },
 121 { 0x1f, 8 },{ 0x25, 9 },{ 0x24, 9 },{ 0x21, 10 },
 122 { 0x20, 10 },{ 0x7, 11 },{ 0x6, 11 },{ 0x20, 11 },
 123 { 0x6, 3 },{ 0x14, 6 },{ 0x1e, 8 },{ 0xf, 10 },
 124 { 0x21, 11 },{ 0x50, 12 },{ 0xe, 4 },{ 0x1d, 8 },
 125 { 0xe, 10 },{ 0x51, 12 },{ 0xd, 5 },{ 0x23, 9 },
 126 { 0xd, 10 },{ 0xc, 5 },{ 0x22, 9 },{ 0x52, 12 },
 127 { 0xb, 5 },{ 0xc, 10 },{ 0x53, 12 },{ 0x13, 6 },
 128 { 0xb, 10 },{ 0x54, 12 },{ 0x12, 6 },{ 0xa, 10 },
 129 { 0x11, 6 },{ 0x9, 10 },{ 0x10, 6 },{ 0x8, 10 },
 130 { 0x16, 7 },{ 0x55, 12 },{ 0x15, 7 },{ 0x14, 7 },
 131 { 0x1c, 8 },{ 0x1b, 8 },{ 0x21, 9 },{ 0x20, 9 },
 132 { 0x1f, 9 },{ 0x1e, 9 },{ 0x1d, 9 },{ 0x1c, 9 },
 133 { 0x1b, 9 },{ 0x1a, 9 },{ 0x22, 11 },{ 0x23, 11 },
 134 { 0x56, 12 },{ 0x57, 12 },{ 0x7, 4 },{ 0x19, 9 },
 135 { 0x5, 11 },{ 0xf, 6 },{ 0x4, 11 },{ 0xe, 6 },
 136 { 0xd, 6 },{ 0xc, 6 },{ 0x13, 7 },{ 0x12, 7 },
 137 { 0x11, 7 },{ 0x10, 7 },{ 0x1a, 8 },{ 0x19, 8 },
 138 { 0x18, 8 },{ 0x17, 8 },{ 0x16, 8 },{ 0x15, 8 },
 139 { 0x14, 8 },{ 0x13, 8 },{ 0x18, 9 },{ 0x17, 9 },
 140 { 0x16, 9 },{ 0x15, 9 },{ 0x14, 9 },{ 0x13, 9 },
 141 { 0x12, 9 },{ 0x11, 9 },{ 0x7, 10 },{ 0x6, 10 },
 142 { 0x5, 10 },{ 0x4, 10 },{ 0x24, 11 },{ 0x25, 11 },
 143 { 0x26, 11 },{ 0x27, 11 },{ 0x58, 12 },{ 0x59, 12 },
 144 { 0x5a, 12 },{ 0x5b, 12 },{ 0x5c, 12 },{ 0x5d, 12 },
 145 { 0x5e, 12 },{ 0x5f, 12 },{ 0x3, 7 },
 146 };
 147
 148 const int8_t inter_level[102] = {
 149   1,  2,  3,  4,  5,  6,  7,  8,
 150   9, 10, 11, 12,  1,  2,  3,  4,
 151   5,  6,  1,  2,  3,  4,  1,  2,
 152   3,  1,  2,  3,  1,  2,  3,  1,
 153   2,  3,  1,  2,  1,  2,  1,  2,
 154   1,  2,  1,  1,  1,  1,  1,  1,
 155   1,  1,  1,  1,  1,  1,  1,  1,
 156   1,  1,  1,  2,  3,  1,  2,  1,
 157   1,  1,  1,  1,  1,  1,  1,  1,
 158   1,  1,  1,  1,  1,  1,  1,  1,
 159   1,  1,  1,  1,  1,  1,  1,  1,
 160   1,  1,  1,  1,  1,  1,  1,  1,
 161   1,  1,  1,  1,  1,  1,
 162 };
 163
 164 const int8_t inter_run[102] = {
 165   0,  0,  0,  0,  0,  0,  0,  0,
 166   0,  0,  0,  0,  1,  1,  1,  1,
 167   1,  1,  2,  2,  2,  2,  3,  3,
 168   3,  4,  4,  4,  5,  5,  5,  6,
 169   6,  6,  7,  7,  8,  8,  9,  9,
 170  10, 10, 11, 12, 13, 14, 15, 16,
 171  17, 18, 19, 20, 21, 22, 23, 24,
 172  25, 26,  0,  0,  0,  1,  1,  2,
 173   3,  4,  5,  6,  7,  8,  9, 10,
 174  11, 12, 13, 14, 15, 16, 17, 18,
 175  19, 20, 21, 22, 23, 24, 25, 26,
 176  27, 28, 29, 30, 31, 32, 33, 34,
 177  35, 36, 37, 38, 39, 40,
 178 };
 179
 180 static RLTable rl_inter = {
 181     102,
 182     58,
 183     inter_vlc,
 184     inter_run,
 185     inter_level,
 186 };
 187
 188 static const uint16_t intra_vlc_aic[103][2] = {
 189 {  0x2,  2 }, {  0x6,  3 }, {  0xe,  4 }, {  0xc,  5 },
 190 {  0xd,  5 }, { 0x10,  6 }, { 0x11,  6 }, { 0x12,  6 },
 191 { 0x16,  7 }, { 0x1b,  8 }, { 0x20,  9 }, { 0x21,  9 },
 192 { 0x1a,  9 }, { 0x1b,  9 }, { 0x1c,  9 }, { 0x1d,  9 },
 193 { 0x1e,  9 }, { 0x1f,  9 }, { 0x23, 11 }, { 0x22, 11 },
 194 { 0x57, 12 }, { 0x56, 12 }, { 0x55, 12 }, { 0x54, 12 },
 195 { 0x53, 12 }, {  0xf,  4 }, { 0x14,  6 }, { 0x14,  7 },
 196 { 0x1e,  8 }, {  0xf, 10 }, { 0x21, 11 }, { 0x50, 12 },
 197 {  0xb,  5 }, { 0x15,  7 }, {  0xe, 10 }, {  0x9, 10 },
 198 { 0x15,  6 }, { 0x1d,  8 }, {  0xd, 10 }, { 0x51, 12 },
 199 { 0x13,  6 }, { 0x23,  9 }, {  0x7, 11 }, { 0x17,  7 },
 200 { 0x22,  9 }, { 0x52, 12 }, { 0x1c,  8 }, {  0xc, 10 },
 201 { 0x1f,  8 }, {  0xb, 10 }, { 0x25,  9 }, {  0xa, 10 },
 202 { 0x24,  9 }, {  0x6, 11 }, { 0x21, 10 }, { 0x20, 10 },
 203 {  0x8, 10 }, { 0x20, 11 }, {  0x7,  4 }, {  0xc,  6 },
 204 { 0x10,  7 }, { 0x13,  8 }, { 0x11,  9 }, { 0x12,  9 },
 205 {  0x4, 10 }, { 0x27, 11 }, { 0x26, 11 }, { 0x5f, 12 },
 206 {  0xf,  6 }, { 0x13,  9 }, {  0x5, 10 }, { 0x25, 11 },
 207 {  0xe,  6 }, { 0x14,  9 }, { 0x24, 11 }, {  0xd,  6 },
 208 {  0x6, 10 }, { 0x5e, 12 }, { 0x11,  7 }, {  0x7, 10 },
 209 { 0x13,  7 }, { 0x5d, 12 }, { 0x12,  7 }, { 0x5c, 12 },
 210 { 0x14,  8 }, { 0x5b, 12 }, { 0x15,  8 }, { 0x1a,  8 },
 211 { 0x19,  8 }, { 0x18,  8 }, { 0x17,  8 }, { 0x16,  8 },
 212 { 0x19,  9 }, { 0x15,  9 }, { 0x16,  9 }, { 0x18,  9 },
 213 { 0x17,  9 }, {  0x4, 11 }, {  0x5, 11 }, { 0x58, 12 },
 214 { 0x59, 12 }, { 0x5a, 12 }, {  0x3,  7 },
 215 };
 216
 217 static const int8_t intra_run_aic[102] = {
 218  0,  0,  0,  0,  0,  0,  0,  0,
 219  0,  0,  0,  0,  0,  0,  0,  0,
 220  0,  0,  0,  0,  0,  0,  0,  0,
 221  0,  1,  1,  1,  1,  1,  1,  1,
 222  2,  2,  2,  2,  3,  3,  3,  3,
 223  4,  4,  4,  5,  5,  5,  6,  6,
 224  7,  7,  8,  8,  9,  9, 10, 11,
 225 12, 13,  0,  0,  0,  0,  0,  0,
 226  0,  0,  0,  0,  1,  1,  1,  1,
 227  2,  2,  2,  3,  3,  3,  4,  4,
 228  5,  5,  6,  6,  7,  7,  8,  9,
 229 10, 11, 12, 13, 14, 15, 16, 17,
 230 18, 19, 20, 21, 22, 23,
 231 };
 232
 233 static const int8_t intra_level_aic[102] = {
 234  1,  2,  3,  4,  5,  6,  7,  8,
 235  9, 10, 11, 12, 13, 14, 15, 16,
 236 17, 18, 19, 20, 21, 22, 23, 24,
 237 25,  1,  2,  3,  4,  5,  6,  7,
 238  1,  2,  3,  4,  1,  2,  3,  4,
 239  1,  2,  3,  1,  2,  3,  1,  2,
 240  1,  2,  1,  2,  1,  2,  1,  1,
 241  1,  1,  1,  2,  3,  4,  5,  6,
 242  7,  8,  9, 10,  1,  2,  3,  4,
 243  1,  2,  3,  1,  2,  3,  1,  2,
 244  1,  2,  1,  2,  1,  2,  1,  1,
 245  1,  1,  1,  1,  1,  1,  1,  1,
 246  1,  1,  1,  1,  1,  1,
 247 };
 248
 249 static RLTable rl_intra_aic = {
 250     102,
 251     58,
 252     intra_vlc_aic,
 253     intra_run_aic,
 254     intra_level_aic,
 255 };
 256
 257 static const uint8_t wrong_run[102] = {
 258  1,  2,  3,  5,  4, 10,  9,  8,
 259 11, 15, 17, 16, 23, 22, 21, 20,
 260 19, 18, 25, 24, 27, 26, 11,  7,
 261  6,  1,  2, 13,  2,  2,  2,  2,
 262  6, 12,  3,  9,  1,  3,  4,  3,
 263  7,  4,  1,  1,  5,  5, 14,  6,
 264  1,  7,  1,  8,  1,  1,  1,  1,
 265 10,  1,  1,  5,  9, 17, 25, 24,
 266 29, 33, 32, 41,  2, 23, 28, 31,
 267  3, 22, 30,  4, 27, 40,  8, 26,
 268  6, 39,  7, 38, 16, 37, 15, 10,
 269 11, 12, 13, 14,  1, 21, 20, 18,
 270 19,  2,  1, 34, 35, 36
 271 };
 272
 273 static const uint16_t h263_format[8][2] = {
 274     { 0, 0 },
 275     { 128, 96 },
 276     { 176, 144 },
 277     { 352, 288 },
 278     { 704, 576 },
 279     { 1408, 1152 },
 280 };
 281
 282 const uint8_t ff_aic_dc_scale_table[32]={
 283 //  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
 284     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
 285 };
 286
 287 static const uint8_t modified_quant_tab[2][32]={
 288 //  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
 289 {
 290     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
 291 },{
 292     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
 293 }
 294 };
 295
 296 const uint8_t ff_h263_chroma_qscale_table[32]={
 297 //  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
 298     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
 299 };
 300
 301 const uint16_t ff_mba_max[6]={
 302      47,  98, 395,1583,6335,9215
 303 };
 304
 305 const uint8_t ff_mba_length[7]={
 306       6,   7,   9,  11,  13,  14,  14
 307 };
 308
 309 const uint8_t ff_h263_loop_filter_strength[32]={
 310 //  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
 311     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
 312 };
 313
 314 #endif /* AVCODEC_H263DATA_H */