libavcodec/mpeg4data.h

   1 /*
   2  * copyright (c) 2000,2001 Fabrice Bellard
   3  * H.263+ support
   4  * copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
   5  *
   6  * This file is part of FFmpeg.
   7  *
   8  * FFmpeg is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * FFmpeg is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with FFmpeg; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  21  */
  22
  23 /**
  24  * @file
  25  * MPEG-4 tables.
  26  */
  27
  28 #ifndef AVCODEC_MPEG4DATA_H
  29 #define AVCODEC_MPEG4DATA_H
  30
  31 #include "mpeg4videodata.h"
  32
  33 /* dc encoding for MPEG-4 */
  34 const uint8_t ff_mpeg4_DCtab_lum[13][2] =
  35 {
  36     {3,3}, {3,2}, {2,2}, {2,3}, {1,3}, {1,4}, {1,5}, {1,6}, {1,7},
  37     {1,8}, {1,9}, {1,10}, {1,11},
  38 };
  39
  40 const uint8_t ff_mpeg4_DCtab_chrom[13][2] =
  41 {
  42     {3,2}, {2,2}, {1,2}, {1,3}, {1,4}, {1,5}, {1,6}, {1,7}, {1,8},
  43     {1,9}, {1,10}, {1,11}, {1,12},
  44 };
  45
  46 const uint16_t ff_mpeg4_intra_vlc[103][2] = {
  47 { 0x2, 2 },
  48 { 0x6, 3 },{ 0xf, 4 },{ 0xd, 5 },{ 0xc, 5 },
  49 { 0x15, 6 },{ 0x13, 6 },{ 0x12, 6 },{ 0x17, 7 },
  50 { 0x1f, 8 },{ 0x1e, 8 },{ 0x1d, 8 },{ 0x25, 9 },
  51 { 0x24, 9 },{ 0x23, 9 },{ 0x21, 9 },{ 0x21, 10 },
  52 { 0x20, 10 },{ 0xf, 10 },{ 0xe, 10 },{ 0x7, 11 },
  53 { 0x6, 11 },{ 0x20, 11 },{ 0x21, 11 },{ 0x50, 12 },
  54 { 0x51, 12 },{ 0x52, 12 },{ 0xe, 4 },{ 0x14, 6 },
  55 { 0x16, 7 },{ 0x1c, 8 },{ 0x20, 9 },{ 0x1f, 9 },
  56 { 0xd, 10 },{ 0x22, 11 },{ 0x53, 12 },{ 0x55, 12 },
  57 { 0xb, 5 },{ 0x15, 7 },{ 0x1e, 9 },{ 0xc, 10 },
  58 { 0x56, 12 },{ 0x11, 6 },{ 0x1b, 8 },{ 0x1d, 9 },
  59 { 0xb, 10 },{ 0x10, 6 },{ 0x22, 9 },{ 0xa, 10 },
  60 { 0xd, 6 },{ 0x1c, 9 },{ 0x8, 10 },{ 0x12, 7 },
  61 { 0x1b, 9 },{ 0x54, 12 },{ 0x14, 7 },{ 0x1a, 9 },
  62 { 0x57, 12 },{ 0x19, 8 },{ 0x9, 10 },{ 0x18, 8 },
  63 { 0x23, 11 },{ 0x17, 8 },{ 0x19, 9 },{ 0x18, 9 },
  64 { 0x7, 10 },{ 0x58, 12 },{ 0x7, 4 },{ 0xc, 6 },
  65 { 0x16, 8 },{ 0x17, 9 },{ 0x6, 10 },{ 0x5, 11 },
  66 { 0x4, 11 },{ 0x59, 12 },{ 0xf, 6 },{ 0x16, 9 },
  67 { 0x5, 10 },{ 0xe, 6 },{ 0x4, 10 },{ 0x11, 7 },
  68 { 0x24, 11 },{ 0x10, 7 },{ 0x25, 11 },{ 0x13, 7 },
  69 { 0x5a, 12 },{ 0x15, 8 },{ 0x5b, 12 },{ 0x14, 8 },
  70 { 0x13, 8 },{ 0x1a, 8 },{ 0x15, 9 },{ 0x14, 9 },
  71 { 0x13, 9 },{ 0x12, 9 },{ 0x11, 9 },{ 0x26, 11 },
  72 { 0x27, 11 },{ 0x5c, 12 },{ 0x5d, 12 },{ 0x5e, 12 },
  73 { 0x5f, 12 },{ 0x3, 7 },
  74 };
  75
  76 const int8_t ff_mpeg4_intra_level[102] = {
  77   1,  2,  3,  4,  5,  6,  7,  8,
  78   9, 10, 11, 12, 13, 14, 15, 16,
  79  17, 18, 19, 20, 21, 22, 23, 24,
  80  25, 26, 27,  1,  2,  3,  4,  5,
  81   6,  7,  8,  9, 10,  1,  2,  3,
  82   4,  5,  1,  2,  3,  4,  1,  2,
  83   3,  1,  2,  3,  1,  2,  3,  1,
  84   2,  3,  1,  2,  1,  2,  1,  1,
  85   1,  1,  1,  1,  2,  3,  4,  5,
  86   6,  7,  8,  1,  2,  3,  1,  2,
  87   1,  2,  1,  2,  1,  2,  1,  2,
  88   1,  1,  1,  1,  1,  1,  1,  1,
  89   1,  1,  1,  1,  1,  1,
  90 };
  91
  92 const int8_t ff_mpeg4_intra_run[102] = {
  93   0,  0,  0,  0,  0,  0,  0,  0,
  94   0,  0,  0,  0,  0,  0,  0,  0,
  95   0,  0,  0,  0,  0,  0,  0,  0,
  96   0,  0,  0,  1,  1,  1,  1,  1,
  97   1,  1,  1,  1,  1,  2,  2,  2,
  98   2,  2,  3,  3,  3,  3,  4,  4,
  99   4,  5,  5,  5,  6,  6,  6,  7,
 100   7,  7,  8,  8,  9,  9, 10, 11,
 101  12, 13, 14,  0,  0,  0,  0,  0,
 102   0,  0,  0,  1,  1,  1,  2,  2,
 103   3,  3,  4,  4,  5,  5,  6,  6,
 104   7,  8,  9, 10, 11, 12, 13, 14,
 105  15, 16, 17, 18, 19, 20,
 106 };
 107
 108 RLTable ff_mpeg4_rl_intra = {
 109     102,
 110     67,
 111     ff_mpeg4_intra_vlc,
 112     ff_mpeg4_intra_run,
 113     ff_mpeg4_intra_level,
 114 };
 115
 116 /* Note this is identical to the intra rvlc except that it is reordered. */
 117 static const uint16_t inter_rvlc[170][2]={
 118 {0x0006,  3},{0x0001,  4},{0x0004,  5},{0x001C,  7},
 119 {0x003C,  8},{0x003D,  8},{0x007C,  9},{0x00FC, 10},
 120 {0x00FD, 10},{0x01FC, 11},{0x01FD, 11},{0x03FC, 12},
 121 {0x07FC, 13},{0x07FD, 13},{0x0BFC, 13},{0x0BFD, 13},
 122 {0x0FFC, 14},{0x0FFD, 14},{0x1FFC, 15},{0x0007,  3},
 123 {0x000C,  6},{0x005C,  8},{0x007D,  9},{0x017C, 10},
 124 {0x02FC, 11},{0x03FD, 12},{0x0DFC, 13},{0x17FC, 14},
 125 {0x17FD, 14},{0x000A,  4},{0x001D,  7},{0x00BC,  9},
 126 {0x02FD, 11},{0x05FC, 12},{0x1BFC, 14},{0x1BFD, 14},
 127 {0x0005,  5},{0x005D,  8},{0x017D, 10},{0x05FD, 12},
 128 {0x0DFD, 13},{0x1DFC, 14},{0x1FFD, 15},{0x0008,  5},
 129 {0x006C,  8},{0x037C, 11},{0x0EFC, 13},{0x2FFC, 15},
 130 {0x0009,  5},{0x00BD,  9},{0x037D, 11},{0x0EFD, 13},
 131 {0x000D,  6},{0x01BC, 10},{0x06FC, 12},{0x1DFD, 14},
 132 {0x0014,  6},{0x01BD, 10},{0x06FD, 12},{0x2FFD, 15},
 133 {0x0015,  6},{0x01DC, 10},{0x0F7C, 13},{0x002C,  7},
 134 {0x01DD, 10},{0x1EFC, 14},{0x002D,  7},{0x03BC, 11},
 135 {0x0034,  7},{0x077C, 12},{0x006D,  8},{0x0F7D, 13},
 136 {0x0074,  8},{0x1EFD, 14},{0x0075,  8},{0x1F7C, 14},
 137 {0x00DC,  9},{0x1F7D, 14},{0x00DD,  9},{0x1FBC, 14},
 138 {0x00EC,  9},{0x37FC, 15},{0x01EC, 10},{0x01ED, 10},
 139 {0x01F4, 10},{0x03BD, 11},{0x03DC, 11},{0x03DD, 11},
 140 {0x03EC, 11},{0x03ED, 11},{0x03F4, 11},{0x077D, 12},
 141 {0x07BC, 12},{0x07BD, 12},{0x0FBC, 13},{0x0FBD, 13},
 142 {0x0FDC, 13},{0x0FDD, 13},{0x1FBD, 14},{0x1FDC, 14},
 143 {0x1FDD, 14},{0x37FD, 15},{0x3BFC, 15},
 144 {0x000B,  4},{0x0078,  8},{0x03F5, 11},{0x0FEC, 13},
 145 {0x1FEC, 14},{0x0012,  5},{0x00ED,  9},{0x07DC, 12},
 146 {0x1FED, 14},{0x3BFD, 15},{0x0013,  5},{0x03F8, 11},
 147 {0x3DFC, 15},{0x0018,  6},{0x07DD, 12},{0x0019,  6},
 148 {0x07EC, 12},{0x0022,  6},{0x0FED, 13},{0x0023,  6},
 149 {0x0FF4, 13},{0x0035,  7},{0x0FF5, 13},{0x0038,  7},
 150 {0x0FF8, 13},{0x0039,  7},{0x0FF9, 13},{0x0042,  7},
 151 {0x1FF4, 14},{0x0043,  7},{0x1FF5, 14},{0x0079,  8},
 152 {0x1FF8, 14},{0x0082,  8},{0x3DFD, 15},{0x0083,  8},
 153 {0x00F4,  9},{0x00F5,  9},{0x00F8,  9},{0x00F9,  9},
 154 {0x0102,  9},{0x0103,  9},{0x01F5, 10},{0x01F8, 10},
 155 {0x01F9, 10},{0x0202, 10},{0x0203, 10},{0x03F9, 11},
 156 {0x0402, 11},{0x0403, 11},{0x07ED, 12},{0x07F4, 12},
 157 {0x07F5, 12},{0x07F8, 12},{0x07F9, 12},{0x0802, 12},
 158 {0x0803, 12},{0x1002, 13},{0x1003, 13},{0x1FF9, 14},
 159 {0x2002, 14},{0x2003, 14},{0x3EFC, 15},{0x3EFD, 15},
 160 {0x3F7C, 15},{0x3F7D, 15},{0x0000, 4}
 161 };
 162
 163 static const int8_t inter_rvlc_run[169]={
 164  0,  0,  0,  0,  0,  0,  0,  0,
 165  0,  0,  0,  0,  0,  0,  0,  0,
 166  0,  0,  0,  1,  1,  1,  1,  1,
 167  1,  1,  1,  1,  1,  2,  2,  2,
 168  2,  2,  2,  2,  3,  3,  3,  3,
 169  3,  3,  3,  4,  4,  4,  4,  4,
 170  5,  5,  5,  5,  6,  6,  6,  6,
 171  7,  7,  7,  7,  8,  8,  8,  9,
 172  9,  9, 10, 10, 11, 11, 12, 12,
 173 13, 13, 14, 14, 15, 15, 16, 16,
 174 17, 17, 18, 19, 20, 21, 22, 23,
 175 24, 25, 26, 27, 28, 29, 30, 31,
 176 32, 33, 34, 35, 36, 37, 38,
 177  0,  0,  0,  0,  0,  1,  1,  1,
 178  1,  1,  2,  2,  2,  3,  3,  4,
 179  4,  5,  5,  6,  6,  7,  7,  8,
 180  8,  9,  9, 10, 10, 11, 11, 12,
 181 12, 13, 13, 14, 15, 16, 17, 18,
 182 19, 20, 21, 22, 23, 24, 25, 26,
 183 27, 28, 29, 30, 31, 32, 33, 34,
 184 35, 36, 37, 38, 39, 40, 41, 42,
 185 43, 44,
 186 };
 187
 188 static const int8_t inter_rvlc_level[169]={
 189  1,  2,  3,  4,  5,  6,  7,  8,
 190  9, 10, 11, 12, 13, 14, 15, 16,
 191 17, 18, 19,  1,  2,  3,  4,  5,
 192  6,  7,  8,  9, 10,  1,  2,  3,
 193  4,  5,  6,  7,  1,  2,  3,  4,
 194  5,  6,  7,  1,  2,  3,  4,  5,
 195  1,  2,  3,  4,  1,  2,  3,  4,
 196  1,  2,  3,  4,  1,  2,  3,  1,
 197  2,  3,  1,  2,  1,  2,  1,  2,
 198  1,  2,  1,  2,  1,  2,  1,  2,
 199  1,  2,  1,  1,  1,  1,  1,  1,
 200  1,  1,  1,  1,  1,  1,  1,  1,
 201  1,  1,  1,  1,  1,  1,  1,
 202  1,  2,  3,  4,  5,  1,  2,  3,
 203  4,  5,  1,  2,  3,  1,  2,  1,
 204  2,  1,  2,  1,  2,  1,  2,  1,
 205  2,  1,  2,  1,  2,  1,  2,  1,
 206  2,  1,  2,  1,  1,  1,  1,  1,
 207  1,  1,  1,  1,  1,  1,  1,  1,
 208  1,  1,  1,  1,  1,  1,  1,  1,
 209  1,  1,  1,  1,  1,  1,  1,  1,
 210  1,  1,
 211 };
 212
 213 RLTable ff_rvlc_rl_inter = {
 214     169,
 215     103,
 216     inter_rvlc,
 217     inter_rvlc_run,
 218     inter_rvlc_level,
 219 };
 220
 221 static const uint16_t intra_rvlc[170][2]={
 222 {0x0006,  3},{0x0007,  3},{0x000A,  4},{0x0009,  5},
 223 {0x0014,  6},{0x0015,  6},{0x0034,  7},{0x0074,  8},
 224 {0x0075,  8},{0x00DD,  9},{0x00EC,  9},{0x01EC, 10},
 225 {0x01ED, 10},{0x01F4, 10},{0x03EC, 11},{0x03ED, 11},
 226 {0x03F4, 11},{0x077D, 12},{0x07BC, 12},{0x0FBD, 13},
 227 {0x0FDC, 13},{0x07BD, 12},{0x0FDD, 13},{0x1FBD, 14},
 228 {0x1FDC, 14},{0x1FDD, 14},{0x1FFC, 15},{0x0001,  4},
 229 {0x0008,  5},{0x002D,  7},{0x006C,  8},{0x006D,  8},
 230 {0x00DC,  9},{0x01DD, 10},{0x03DC, 11},{0x03DD, 11},
 231 {0x077C, 12},{0x0FBC, 13},{0x1F7D, 14},{0x1FBC, 14},
 232 {0x0004,  5},{0x002C,  7},{0x00BC,  9},{0x01DC, 10},
 233 {0x03BC, 11},{0x03BD, 11},{0x0EFD, 13},{0x0F7C, 13},
 234 {0x0F7D, 13},{0x1EFD, 14},{0x1F7C, 14},{0x0005,  5},
 235 {0x005C,  8},{0x00BD,  9},{0x037D, 11},{0x06FC, 12},
 236 {0x0EFC, 13},{0x1DFD, 14},{0x1EFC, 14},{0x1FFD, 15},
 237 {0x000C,  6},{0x005D,  8},{0x01BD, 10},{0x03FD, 12},
 238 {0x06FD, 12},{0x1BFD, 14},{0x000D,  6},{0x007D,  9},
 239 {0x02FC, 11},{0x05FC, 12},{0x1BFC, 14},{0x1DFC, 14},
 240 {0x001C,  7},{0x017C, 10},{0x02FD, 11},{0x05FD, 12},
 241 {0x2FFC, 15},{0x001D,  7},{0x017D, 10},{0x037C, 11},
 242 {0x0DFD, 13},{0x2FFD, 15},{0x003C,  8},{0x01BC, 10},
 243 {0x0BFD, 13},{0x17FD, 14},{0x003D,  8},{0x01FD, 11},
 244 {0x0DFC, 13},{0x37FC, 15},{0x007C,  9},{0x03FC, 12},
 245 {0x00FC, 10},{0x0BFC, 13},{0x00FD, 10},{0x37FD, 15},
 246 {0x01FC, 11},{0x07FC, 13},{0x07FD, 13},{0x0FFC, 14},
 247 {0x0FFD, 14},{0x17FC, 14},{0x3BFC, 15},
 248 {0x000B,  4},{0x0078,  8},{0x03F5, 11},{0x0FEC, 13},
 249 {0x1FEC, 14},{0x0012,  5},{0x00ED,  9},{0x07DC, 12},
 250 {0x1FED, 14},{0x3BFD, 15},{0x0013,  5},{0x03F8, 11},
 251 {0x3DFC, 15},{0x0018,  6},{0x07DD, 12},{0x0019,  6},
 252 {0x07EC, 12},{0x0022,  6},{0x0FED, 13},{0x0023,  6},
 253 {0x0FF4, 13},{0x0035,  7},{0x0FF5, 13},{0x0038,  7},
 254 {0x0FF8, 13},{0x0039,  7},{0x0FF9, 13},{0x0042,  7},
 255 {0x1FF4, 14},{0x0043,  7},{0x1FF5, 14},{0x0079,  8},
 256 {0x1FF8, 14},{0x0082,  8},{0x3DFD, 15},{0x0083,  8},
 257 {0x00F4,  9},{0x00F5,  9},{0x00F8,  9},{0x00F9,  9},
 258 {0x0102,  9},{0x0103,  9},{0x01F5, 10},{0x01F8, 10},
 259 {0x01F9, 10},{0x0202, 10},{0x0203, 10},{0x03F9, 11},
 260 {0x0402, 11},{0x0403, 11},{0x07ED, 12},{0x07F4, 12},
 261 {0x07F5, 12},{0x07F8, 12},{0x07F9, 12},{0x0802, 12},
 262 {0x0803, 12},{0x1002, 13},{0x1003, 13},{0x1FF9, 14},
 263 {0x2002, 14},{0x2003, 14},{0x3EFC, 15},{0x3EFD, 15},
 264 {0x3F7C, 15},{0x3F7D, 15},{0x0000,  4}
 265 };
 266
 267 static const int8_t intra_rvlc_run[169]={
 268  0,  0,  0,  0,  0,  0,  0,  0,
 269  0,  0,  0,  0,  0,  0,  0,  0,
 270  0,  0,  0,  0,  0,  0,  0,  0,
 271  0,  0,  0,  1,  1,  1,  1,  1,
 272  1,  1,  1,  1,  1,  1,  1,  1,
 273  2,  2,  2,  2,  2,  2,  2,  2,
 274  2,  2,  2,  3,  3,  3,  3,  3,
 275  3,  3,  3,  3,  4,  4,  4,  4,
 276  4,  4,  5,  5,  5,  5,  5,  5,
 277  6,  6,  6,  6,  6,  7,  7,  7,
 278  7,  7,  8,  8,  8,  8,  9,  9,
 279  9,  9, 10, 10, 11, 11, 12, 12,
 280 13, 14, 15, 16, 17, 18, 19,
 281  0,  0,  0,  0,  0,  1,  1,  1,
 282  1,  1,  2,  2,  2,  3,  3,  4,
 283  4,  5,  5,  6,  6,  7,  7,  8,
 284  8,  9,  9, 10, 10, 11, 11, 12,
 285 12, 13, 13, 14, 15, 16, 17, 18,
 286 19, 20, 21, 22, 23, 24, 25, 26,
 287 27, 28, 29, 30, 31, 32, 33, 34,
 288 35, 36, 37, 38, 39, 40, 41, 42,
 289 43, 44,
 290 };
 291
 292 static const int8_t intra_rvlc_level[169]={
 293  1,  2,  3,  4,  5,  6,  7,  8,
 294  9, 10, 11, 12, 13, 14, 15, 16,
 295 17, 18, 19, 20, 21, 22, 23, 24,
 296 25, 26, 27,  1,  2,  3,  4,  5,
 297  6,  7,  8,  9, 10, 11, 12, 13,
 298  1,  2,  3,  4,  5,  6,  7,  8,
 299  9, 10, 11,  1,  2,  3,  4,  5,
 300  6,  7,  8,  9,  1,  2,  3,  4,
 301  5,  6,  1,  2,  3,  4,  5,  6,
 302  1,  2,  3,  4,  5,  1,  2,  3,
 303  4,  5,  1,  2,  3,  4,  1,  2,
 304  3,  4,  1,  2,  1,  2,  1,  2,
 305  1,  1,  1,  1,  1,  1,  1,
 306  1,  2,  3,  4,  5,  1,  2,  3,
 307  4,  5,  1,  2,  3,  1,  2,  1,
 308  2,  1,  2,  1,  2,  1,  2,  1,
 309  2,  1,  2,  1,  2,  1,  2,  1,
 310  2,  1,  2,  1,  1,  1,  1,  1,
 311  1,  1,  1,  1,  1,  1,  1,  1,
 312  1,  1,  1,  1,  1,  1,  1,  1,
 313  1,  1,  1,  1,  1,  1,  1,  1,
 314  1,  1,
 315 };
 316
 317 RLTable ff_rvlc_rl_intra = {
 318     169,
 319     103,
 320     intra_rvlc,
 321     intra_rvlc_run,
 322     intra_rvlc_level,
 323 };
 324
 325 const uint8_t ff_sprite_trajectory_lens[15] = {
 326     2,  3,  3,  3,  3,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12,
 327 };
 328
 329 const uint8_t ff_mb_type_b_tab[4][2] = {
 330  {1, 1}, {1, 2}, {1, 3}, {1, 4},
 331 };
 332
 333 /* these matrixes will be permuted for the idct */
 334 const int16_t ff_mpeg4_default_intra_matrix[64] = {
 335   8, 17, 18, 19, 21, 23, 25, 27,
 336  17, 18, 19, 21, 23, 25, 27, 28,
 337  20, 21, 22, 23, 24, 26, 28, 30,
 338  21, 22, 23, 24, 26, 28, 30, 32,
 339  22, 23, 24, 26, 28, 30, 32, 35,
 340  23, 24, 26, 28, 30, 32, 35, 38,
 341  25, 26, 28, 30, 32, 35, 38, 41,
 342  27, 28, 30, 32, 35, 38, 41, 45,
 343 };
 344
 345 const int16_t ff_mpeg4_default_non_intra_matrix[64] = {
 346  16, 17, 18, 19, 20, 21, 22, 23,
 347  17, 18, 19, 20, 21, 22, 23, 24,
 348  18, 19, 20, 21, 22, 23, 24, 25,
 349  19, 20, 21, 22, 23, 24, 26, 27,
 350  20, 21, 22, 23, 25, 26, 27, 28,
 351  21, 22, 23, 24, 26, 27, 28, 30,
 352  22, 23, 24, 26, 27, 28, 30, 31,
 353  23, 24, 25, 27, 28, 30, 31, 33,
 354 };
 355
 356 const uint8_t ff_mpeg4_y_dc_scale_table[32]={
 357 //  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
 358     0, 8, 8, 8, 8,10,12,14,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,34,36,38,40,42,44,46
 359 };
 360 const uint8_t ff_mpeg4_c_dc_scale_table[32]={
 361 //  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
 362     0, 8, 8, 8, 8, 9, 9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,17,17,18,18,19,20,21,22,23,24,25
 363 };
 364
 365 const uint8_t ff_mpeg4_dc_threshold[8]={
 366     99, 13, 15, 17, 19, 21, 23, 0
 367 };
 368
 369 /* Note these are different in studio mode */
 370 const uint8_t ff_mpeg4_studio_dc_luma[19][2] = {
 371     {  2,  4 }, { 10,  4 }, {  3,  4 }, {  1,  5 }, {  0,  6 }, { 11,  7 },
 372     { 12,  8 }, { 13,  9 }, { 14, 10 }, { 15, 11 }, { 16, 12 }, { 17, 13 },
 373     { 18, 13 }, {  7,  3 }, {  6,  3 }, {  8,  3 }, {  5,  3 }, {  9,  3 },
 374     {  4,  3 },
 375 };
 376
 377 const uint8_t ff_mpeg4_studio_dc_chroma[19][2] = {
 378     {  0,  4 }, {  8,  4 }, {  1,  4 }, {  9,  5 }, { 10,  6 }, { 11,  7 },
 379     { 12,  8 }, { 13,  9 }, { 14, 10 }, { 15, 11 }, { 16, 12 }, { 17, 13 },
 380     { 18, 13 }, {  5,  3 }, {  4,  3 }, {  6,  3 }, {  3,  3 }, {  7,  3 },
 381     {  2,  3 },
 382 };
 383
 384 const uint8_t ff_mpeg4_studio_intra[12][24][2] = {
 385     {
 386         {  0, -6 }, { 21, 13 }, {  6, 13 }, {  5, 12 }, {  4, 11 }, { 20, 10 },
 387         {  3,  9 }, { 12,  8 }, { 11,  7 }, { 10,  7 }, {  2,  7 }, { 19,  6 },
 388         { 18,  6 }, {  9,  6 }, {  8,  5 }, { 17,  4 }, {  7,  4 }, {  1,  4 },
 389         {  0,  4 }, { 16,  3 }, { 15,  3 }, { 14,  3 }, { 13,  2 },
 390     },
 391     {
 392         {  0, -6 }, { 21,  8 }, { 20,  8 }, { 19,  7 }, { 18,  5 }, { 17,  4 },
 393         { 16,  3 }, { 15,  2 }, { 14,  1 },
 394     },
 395     {
 396         {  0, -6 }, {  0,-15 }, { 20, 15 }, { 19, 14 }, {  6, 14 }, {  5, 14 },
 397         { 21, 13 }, { 18, 13 }, { 17, 11 }, { 12, 10 }, {  4,  9 }, { 16,  8 },
 398         {  3,  7 }, { 15,  6 }, { 11,  6 }, {  2,  5 }, {  1,  5 }, { 10,  4 },
 399         {  9,  4 }, { 14,  3 }, {  8,  3 }, {  7,  3 }, {  0,  3 }, { 13,  2 },
 400     },
 401     {
 402         {  0, -6 }, { 20, 13 }, { 12, 13 }, {  6, 13 }, {  5, 13 }, { 21, 12 },
 403         { 19, 12 }, { 18, 10 }, {  4,  9 }, { 11,  8 }, { 17,  7 }, { 16,  6 },
 404         {  3,  6 }, { 15,  5 }, { 10,  5 }, {  2,  5 }, {  0,  5 }, {  9,  4 },
 405         {  8,  4 }, {  1,  4 }, {  7,  3 }, { 14,  2 }, { 13,  2 },
 406     },
 407     {
 408         {  0, -6 }, {  0,-15 }, { 12, 15 }, {  6, 14 }, { 21, 13 }, { 20, 13 },
 409         {  5, 13 }, { 19, 11 }, { 11, 10 }, {  4,  9 }, { 18,  8 }, { 10,  7 },
 410         {  3,  7 }, {  0,  7 }, { 17,  6 }, { 16,  6 }, {  9,  6 }, {  2,  5 },
 411         {  8,  4 }, {  1,  4 }, { 15,  3 }, {  7,  3 }, { 14,  2 }, { 13,  2 },
 412     },
 413     {
 414         {  0, -6 }, {  0,-15 }, { 20, 15 }, { 12, 14 }, { 11, 13 }, {  6, 13 },
 415         {  5, 13 }, { 21, 12 }, {  4, 12 }, { 19, 11 }, { 10, 11 }, {  3, 10 },
 416         {  0, 10 }, {  9,  8 }, { 18,  7 }, {  8,  7 }, {  2,  7 }, { 17,  6 },
 417         {  7,  5 }, {  1,  5 }, { 16,  3 }, { 15,  2 }, { 14,  2 }, { 13,  2 },
 418     },
 419     {
 420         {  0, -6 }, {  0,-15 }, { 12, 15 }, { 11, 14 }, {  6, 14 }, {  5, 14 },
 421         { 21, 12 }, { 20, 12 }, { 10, 12 }, {  4, 11 }, {  0, 11 }, {  9, 10 },
 422         {  3, 10 }, { 19,  8 }, {  8,  8 }, {  2,  8 }, { 18,  6 }, {  7,  6 },
 423         {  1,  4 }, { 17,  3 }, { 14,  3 }, { 13,  3 }, { 16,  2 }, { 15,  2 },
 424     },
 425     {
 426         {  0, -6 }, { 12, 12 }, {  6, 12 }, { 21, 11 }, { 11, 11 }, {  5, 11 },
 427         { 20, 10 }, { 10, 10 }, {  9,  9 }, {  0,  9 }, {  8,  8 }, {  2,  8 },
 428         { 19,  7 }, {  7,  7 }, {  4,  7 }, {  3,  7 }, { 18,  5 }, {  1,  5 },
 429         { 14,  4 }, { 13,  4 }, { 17,  2 }, { 16,  2 }, { 15,  2 },
 430     },
 431     {
 432         {  0, -6 }, { 12, 13 }, {  6, 13 }, { 21, 12 }, { 11, 12 }, {  5, 12 },
 433         { 20, 11 }, {  3, 11 }, { 10, 10 }, {  9, 10 }, {  2, 10 }, {  0, 10 },
 434         {  8,  9 }, {  7,  8 }, {  4,  8 }, { 19,  6 }, {  1,  6 }, { 13,  4 },
 435         { 18,  3 }, { 15,  3 }, { 14,  3 }, { 17,  2 }, { 16,  2 },
 436     },
 437     {
 438         {  0, -6 }, { 12, 12 }, { 11, 12 }, {  6, 12 }, {  0, 12 }, { 21, 10 },
 439         { 10, 10 }, {  5, 10 }, { 20,  8 }, {  9,  8 }, {  2,  8 }, {  8,  7 },
 440         {  7,  7 }, {  4,  6 }, {  3,  6 }, {  1,  6 }, { 13,  5 }, { 19,  4 },
 441         { 14,  4 }, { 16,  3 }, { 15,  3 }, { 18,  2 }, { 17,  2 },
 442     },
 443     {
 444         {  0, -6 }, { 12, 13 }, {  6, 13 }, {  5, 13 }, {  0, 13 }, {  4, 11 },
 445         { 11, 10 }, { 21,  9 }, { 10,  9 }, {  9,  9 }, {  8,  8 }, {  2,  8 },
 446         {  7,  7 }, {  1,  7 }, { 20,  6 }, { 14,  5 }, { 13,  5 }, { 15,  4 },
 447         {  3,  4 }, { 17,  3 }, { 16,  3 }, { 19,  2 }, { 18,  2 },
 448     },
 449     {
 450         {  0, -6 }, {  6, 11 }, {  5, 11 }, { 12, 10 }, { 11, 10 }, {  0, 10 },
 451         { 21,  9 }, { 10,  9 }, {  4,  9 }, {  3,  9 }, {  9,  8 }, {  8,  6 },
 452         {  2,  6 }, {  7,  5 }, {  1,  5 }, { 18,  4 }, { 17,  4 }, { 16,  4 },
 453         { 15,  4 }, { 19,  3 }, { 14,  3 }, { 13,  3 }, { 20,  2 },
 454     },
 455 };
 456
 457 #endif /* AVCODEC_MPEG4DATA_H */