ffmpeg/libavcodec/mpeg4data.h

   1 /*
   2  * copyright (c) 2000,2001 Fabrice Bellard
   3  * H263+ 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  * mpeg4 tables.
  26  */
  27
  28 #ifndef AVCODEC_MPEG4DATA_H
  29 #define AVCODEC_MPEG4DATA_H
  30
  31 #include <stdint.h>
  32 #include "mpegvideo.h"
  33
  34 /* dc encoding for mpeg4 */
  35 const uint8_t ff_mpeg4_DCtab_lum[13][2] =
  36 {
  37     {3,3}, {3,2}, {2,2}, {2,3}, {1,3}, {1,4}, {1,5}, {1,6}, {1,7},
  38     {1,8}, {1,9}, {1,10}, {1,11},
  39 };
  40
  41 const uint8_t ff_mpeg4_DCtab_chrom[13][2] =
  42 {
  43     {3,2}, {2,2}, {1,2}, {1,3}, {1,4}, {1,5}, {1,6}, {1,7}, {1,8},
  44     {1,9}, {1,10}, {1,11}, {1,12},
  45 };
  46
  47 const uint16_t ff_mpeg4_intra_vlc[103][2] = {
  48 { 0x2, 2 },
  49 { 0x6, 3 },{ 0xf, 4 },{ 0xd, 5 },{ 0xc, 5 },
  50 { 0x15, 6 },{ 0x13, 6 },{ 0x12, 6 },{ 0x17, 7 },
  51 { 0x1f, 8 },{ 0x1e, 8 },{ 0x1d, 8 },{ 0x25, 9 },
  52 { 0x24, 9 },{ 0x23, 9 },{ 0x21, 9 },{ 0x21, 10 },
  53 { 0x20, 10 },{ 0xf, 10 },{ 0xe, 10 },{ 0x7, 11 },
  54 { 0x6, 11 },{ 0x20, 11 },{ 0x21, 11 },{ 0x50, 12 },
  55 { 0x51, 12 },{ 0x52, 12 },{ 0xe, 4 },{ 0x14, 6 },
  56 { 0x16, 7 },{ 0x1c, 8 },{ 0x20, 9 },{ 0x1f, 9 },
  57 { 0xd, 10 },{ 0x22, 11 },{ 0x53, 12 },{ 0x55, 12 },
  58 { 0xb, 5 },{ 0x15, 7 },{ 0x1e, 9 },{ 0xc, 10 },
  59 { 0x56, 12 },{ 0x11, 6 },{ 0x1b, 8 },{ 0x1d, 9 },
  60 { 0xb, 10 },{ 0x10, 6 },{ 0x22, 9 },{ 0xa, 10 },
  61 { 0xd, 6 },{ 0x1c, 9 },{ 0x8, 10 },{ 0x12, 7 },
  62 { 0x1b, 9 },{ 0x54, 12 },{ 0x14, 7 },{ 0x1a, 9 },
  63 { 0x57, 12 },{ 0x19, 8 },{ 0x9, 10 },{ 0x18, 8 },
  64 { 0x23, 11 },{ 0x17, 8 },{ 0x19, 9 },{ 0x18, 9 },
  65 { 0x7, 10 },{ 0x58, 12 },{ 0x7, 4 },{ 0xc, 6 },
  66 { 0x16, 8 },{ 0x17, 9 },{ 0x6, 10 },{ 0x5, 11 },
  67 { 0x4, 11 },{ 0x59, 12 },{ 0xf, 6 },{ 0x16, 9 },
  68 { 0x5, 10 },{ 0xe, 6 },{ 0x4, 10 },{ 0x11, 7 },
  69 { 0x24, 11 },{ 0x10, 7 },{ 0x25, 11 },{ 0x13, 7 },
  70 { 0x5a, 12 },{ 0x15, 8 },{ 0x5b, 12 },{ 0x14, 8 },
  71 { 0x13, 8 },{ 0x1a, 8 },{ 0x15, 9 },{ 0x14, 9 },
  72 { 0x13, 9 },{ 0x12, 9 },{ 0x11, 9 },{ 0x26, 11 },
  73 { 0x27, 11 },{ 0x5c, 12 },{ 0x5d, 12 },{ 0x5e, 12 },
  74 { 0x5f, 12 },{ 0x3, 7 },
  75 };
  76
  77 const int8_t ff_mpeg4_intra_level[102] = {
  78   1,  2,  3,  4,  5,  6,  7,  8,
  79   9, 10, 11, 12, 13, 14, 15, 16,
  80  17, 18, 19, 20, 21, 22, 23, 24,
  81  25, 26, 27,  1,  2,  3,  4,  5,
  82   6,  7,  8,  9, 10,  1,  2,  3,
  83   4,  5,  1,  2,  3,  4,  1,  2,
  84   3,  1,  2,  3,  1,  2,  3,  1,
  85   2,  3,  1,  2,  1,  2,  1,  1,
  86   1,  1,  1,  1,  2,  3,  4,  5,
  87   6,  7,  8,  1,  2,  3,  1,  2,
  88   1,  2,  1,  2,  1,  2,  1,  2,
  89   1,  1,  1,  1,  1,  1,  1,  1,
  90   1,  1,  1,  1,  1,  1,
  91 };
  92
  93 const int8_t ff_mpeg4_intra_run[102] = {
  94   0,  0,  0,  0,  0,  0,  0,  0,
  95   0,  0,  0,  0,  0,  0,  0,  0,
  96   0,  0,  0,  0,  0,  0,  0,  0,
  97   0,  0,  0,  1,  1,  1,  1,  1,
  98   1,  1,  1,  1,  1,  2,  2,  2,
  99   2,  2,  3,  3,  3,  3,  4,  4,
 100   4,  5,  5,  5,  6,  6,  6,  7,
 101   7,  7,  8,  8,  9,  9, 10, 11,
 102  12, 13, 14,  0,  0,  0,  0,  0,
 103   0,  0,  0,  1,  1,  1,  2,  2,
 104   3,  3,  4,  4,  5,  5,  6,  6,
 105   7,  8,  9, 10, 11, 12, 13, 14,
 106  15, 16, 17, 18, 19, 20,
 107 };
 108
 109 RLTable ff_mpeg4_rl_intra = {
 110     102,
 111     67,
 112     ff_mpeg4_intra_vlc,
 113     ff_mpeg4_intra_run,
 114     ff_mpeg4_intra_level,
 115 };
 116
 117 /* Note this is identical to the intra rvlc except that it is reordered. */
 118 static const uint16_t inter_rvlc[170][2]={
 119 {0x0006,  3},{0x0001,  4},{0x0004,  5},{0x001C,  7},
 120 {0x003C,  8},{0x003D,  8},{0x007C,  9},{0x00FC, 10},
 121 {0x00FD, 10},{0x01FC, 11},{0x01FD, 11},{0x03FC, 12},
 122 {0x07FC, 13},{0x07FD, 13},{0x0BFC, 13},{0x0BFD, 13},
 123 {0x0FFC, 14},{0x0FFD, 14},{0x1FFC, 15},{0x0007,  3},
 124 {0x000C,  6},{0x005C,  8},{0x007D,  9},{0x017C, 10},
 125 {0x02FC, 11},{0x03FD, 12},{0x0DFC, 13},{0x17FC, 14},
 126 {0x17FD, 14},{0x000A,  4},{0x001D,  7},{0x00BC,  9},
 127 {0x02FD, 11},{0x05FC, 12},{0x1BFC, 14},{0x1BFD, 14},
 128 {0x0005,  5},{0x005D,  8},{0x017D, 10},{0x05FD, 12},
 129 {0x0DFD, 13},{0x1DFC, 14},{0x1FFD, 15},{0x0008,  5},
 130 {0x006C,  8},{0x037C, 11},{0x0EFC, 13},{0x2FFC, 15},
 131 {0x0009,  5},{0x00BD,  9},{0x037D, 11},{0x0EFD, 13},
 132 {0x000D,  6},{0x01BC, 10},{0x06FC, 12},{0x1DFD, 14},
 133 {0x0014,  6},{0x01BD, 10},{0x06FD, 12},{0x2FFD, 15},
 134 {0x0015,  6},{0x01DC, 10},{0x0F7C, 13},{0x002C,  7},
 135 {0x01DD, 10},{0x1EFC, 14},{0x002D,  7},{0x03BC, 11},
 136 {0x0034,  7},{0x077C, 12},{0x006D,  8},{0x0F7D, 13},
 137 {0x0074,  8},{0x1EFD, 14},{0x0075,  8},{0x1F7C, 14},
 138 {0x00DC,  9},{0x1F7D, 14},{0x00DD,  9},{0x1FBC, 14},
 139 {0x00EC,  9},{0x37FC, 15},{0x01EC, 10},{0x01ED, 10},
 140 {0x01F4, 10},{0x03BD, 11},{0x03DC, 11},{0x03DD, 11},
 141 {0x03EC, 11},{0x03ED, 11},{0x03F4, 11},{0x077D, 12},
 142 {0x07BC, 12},{0x07BD, 12},{0x0FBC, 13},{0x0FBD, 13},
 143 {0x0FDC, 13},{0x0FDD, 13},{0x1FBD, 14},{0x1FDC, 14},
 144 {0x1FDD, 14},{0x37FD, 15},{0x3BFC, 15},
 145 {0x000B,  4},{0x0078,  8},{0x03F5, 11},{0x0FEC, 13},
 146 {0x1FEC, 14},{0x0012,  5},{0x00ED,  9},{0x07DC, 12},
 147 {0x1FED, 14},{0x3BFD, 15},{0x0013,  5},{0x03F8, 11},
 148 {0x3DFC, 15},{0x0018,  6},{0x07DD, 12},{0x0019,  6},
 149 {0x07EC, 12},{0x0022,  6},{0x0FED, 13},{0x0023,  6},
 150 {0x0FF4, 13},{0x0035,  7},{0x0FF5, 13},{0x0038,  7},
 151 {0x0FF8, 13},{0x0039,  7},{0x0FF9, 13},{0x0042,  7},
 152 {0x1FF4, 14},{0x0043,  7},{0x1FF5, 14},{0x0079,  8},
 153 {0x1FF8, 14},{0x0082,  8},{0x3DFD, 15},{0x0083,  8},
 154 {0x00F4,  9},{0x00F5,  9},{0x00F8,  9},{0x00F9,  9},
 155 {0x0102,  9},{0x0103,  9},{0x01F5, 10},{0x01F8, 10},
 156 {0x01F9, 10},{0x0202, 10},{0x0203, 10},{0x03F9, 11},
 157 {0x0402, 11},{0x0403, 11},{0x07ED, 12},{0x07F4, 12},
 158 {0x07F5, 12},{0x07F8, 12},{0x07F9, 12},{0x0802, 12},
 159 {0x0803, 12},{0x1002, 13},{0x1003, 13},{0x1FF9, 14},
 160 {0x2002, 14},{0x2003, 14},{0x3EFC, 15},{0x3EFD, 15},
 161 {0x3F7C, 15},{0x3F7D, 15},{0x0000, 4}
 162 };
 163
 164 static const int8_t inter_rvlc_run[169]={
 165  0,  0,  0,  0,  0,  0,  0,  0,
 166  0,  0,  0,  0,  0,  0,  0,  0,
 167  0,  0,  0,  1,  1,  1,  1,  1,
 168  1,  1,  1,  1,  1,  2,  2,  2,
 169  2,  2,  2,  2,  3,  3,  3,  3,
 170  3,  3,  3,  4,  4,  4,  4,  4,
 171  5,  5,  5,  5,  6,  6,  6,  6,
 172  7,  7,  7,  7,  8,  8,  8,  9,
 173  9,  9, 10, 10, 11, 11, 12, 12,
 174 13, 13, 14, 14, 15, 15, 16, 16,
 175 17, 17, 18, 19, 20, 21, 22, 23,
 176 24, 25, 26, 27, 28, 29, 30, 31,
 177 32, 33, 34, 35, 36, 37, 38,
 178  0,  0,  0,  0,  0,  1,  1,  1,
 179  1,  1,  2,  2,  2,  3,  3,  4,
 180  4,  5,  5,  6,  6,  7,  7,  8,
 181  8,  9,  9, 10, 10, 11, 11, 12,
 182 12, 13, 13, 14, 15, 16, 17, 18,
 183 19, 20, 21, 22, 23, 24, 25, 26,
 184 27, 28, 29, 30, 31, 32, 33, 34,
 185 35, 36, 37, 38, 39, 40, 41, 42,
 186 43, 44,
 187 };
 188
 189 static const int8_t inter_rvlc_level[169]={
 190  1,  2,  3,  4,  5,  6,  7,  8,
 191  9, 10, 11, 12, 13, 14, 15, 16,
 192 17, 18, 19,  1,  2,  3,  4,  5,
 193  6,  7,  8,  9, 10,  1,  2,  3,
 194  4,  5,  6,  7,  1,  2,  3,  4,
 195  5,  6,  7,  1,  2,  3,  4,  5,
 196  1,  2,  3,  4,  1,  2,  3,  4,
 197  1,  2,  3,  4,  1,  2,  3,  1,
 198  2,  3,  1,  2,  1,  2,  1,  2,
 199  1,  2,  1,  2,  1,  2,  1,  2,
 200  1,  2,  1,  1,  1,  1,  1,  1,
 201  1,  1,  1,  1,  1,  1,  1,  1,
 202  1,  1,  1,  1,  1,  1,  1,
 203  1,  2,  3,  4,  5,  1,  2,  3,
 204  4,  5,  1,  2,  3,  1,  2,  1,
 205  2,  1,  2,  1,  2,  1,  2,  1,
 206  2,  1,  2,  1,  2,  1,  2,  1,
 207  2,  1,  2,  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,  1,  1,  1,  1,  1,  1,
 211  1,  1,
 212 };
 213
 214 RLTable ff_rvlc_rl_inter = {
 215     169,
 216     103,
 217     inter_rvlc,
 218     inter_rvlc_run,
 219     inter_rvlc_level,
 220 };
 221
 222 static const uint16_t intra_rvlc[170][2]={
 223 {0x0006,  3},{0x0007,  3},{0x000A,  4},{0x0009,  5},
 224 {0x0014,  6},{0x0015,  6},{0x0034,  7},{0x0074,  8},
 225 {0x0075,  8},{0x00DD,  9},{0x00EC,  9},{0x01EC, 10},
 226 {0x01ED, 10},{0x01F4, 10},{0x03EC, 11},{0x03ED, 11},
 227 {0x03F4, 11},{0x077D, 12},{0x07BC, 12},{0x0FBD, 13},
 228 {0x0FDC, 13},{0x07BD, 12},{0x0FDD, 13},{0x1FBD, 14},
 229 {0x1FDC, 14},{0x1FDD, 14},{0x1FFC, 15},{0x0001,  4},
 230 {0x0008,  5},{0x002D,  7},{0x006C,  8},{0x006D,  8},
 231 {0x00DC,  9},{0x01DD, 10},{0x03DC, 11},{0x03DD, 11},
 232 {0x077C, 12},{0x0FBC, 13},{0x1F7D, 14},{0x1FBC, 14},
 233 {0x0004,  5},{0x002C,  7},{0x00BC,  9},{0x01DC, 10},
 234 {0x03BC, 11},{0x03BD, 11},{0x0EFD, 13},{0x0F7C, 13},
 235 {0x0F7D, 13},{0x1EFD, 14},{0x1F7C, 14},{0x0005,  5},
 236 {0x005C,  8},{0x00BD,  9},{0x037D, 11},{0x06FC, 12},
 237 {0x0EFC, 13},{0x1DFD, 14},{0x1EFC, 14},{0x1FFD, 15},
 238 {0x000C,  6},{0x005D,  8},{0x01BD, 10},{0x03FD, 12},
 239 {0x06FD, 12},{0x1BFD, 14},{0x000D,  6},{0x007D,  9},
 240 {0x02FC, 11},{0x05FC, 12},{0x1BFC, 14},{0x1DFC, 14},
 241 {0x001C,  7},{0x017C, 10},{0x02FD, 11},{0x05FD, 12},
 242 {0x2FFC, 15},{0x001D,  7},{0x017D, 10},{0x037C, 11},
 243 {0x0DFD, 13},{0x2FFD, 15},{0x003C,  8},{0x01BC, 10},
 244 {0x0BFD, 13},{0x17FD, 14},{0x003D,  8},{0x01FD, 11},
 245 {0x0DFC, 13},{0x37FC, 15},{0x007C,  9},{0x03FC, 12},
 246 {0x00FC, 10},{0x0BFC, 13},{0x00FD, 10},{0x37FD, 15},
 247 {0x01FC, 11},{0x07FC, 13},{0x07FD, 13},{0x0FFC, 14},
 248 {0x0FFD, 14},{0x17FC, 14},{0x3BFC, 15},
 249 {0x000B,  4},{0x0078,  8},{0x03F5, 11},{0x0FEC, 13},
 250 {0x1FEC, 14},{0x0012,  5},{0x00ED,  9},{0x07DC, 12},
 251 {0x1FED, 14},{0x3BFD, 15},{0x0013,  5},{0x03F8, 11},
 252 {0x3DFC, 15},{0x0018,  6},{0x07DD, 12},{0x0019,  6},
 253 {0x07EC, 12},{0x0022,  6},{0x0FED, 13},{0x0023,  6},
 254 {0x0FF4, 13},{0x0035,  7},{0x0FF5, 13},{0x0038,  7},
 255 {0x0FF8, 13},{0x0039,  7},{0x0FF9, 13},{0x0042,  7},
 256 {0x1FF4, 14},{0x0043,  7},{0x1FF5, 14},{0x0079,  8},
 257 {0x1FF8, 14},{0x0082,  8},{0x3DFD, 15},{0x0083,  8},
 258 {0x00F4,  9},{0x00F5,  9},{0x00F8,  9},{0x00F9,  9},
 259 {0x0102,  9},{0x0103,  9},{0x01F5, 10},{0x01F8, 10},
 260 {0x01F9, 10},{0x0202, 10},{0x0203, 10},{0x03F9, 11},
 261 {0x0402, 11},{0x0403, 11},{0x07ED, 12},{0x07F4, 12},
 262 {0x07F5, 12},{0x07F8, 12},{0x07F9, 12},{0x0802, 12},
 263 {0x0803, 12},{0x1002, 13},{0x1003, 13},{0x1FF9, 14},
 264 {0x2002, 14},{0x2003, 14},{0x3EFC, 15},{0x3EFD, 15},
 265 {0x3F7C, 15},{0x3F7D, 15},{0x0000,  4}
 266 };
 267
 268 static const int8_t intra_rvlc_run[169]={
 269  0,  0,  0,  0,  0,  0,  0,  0,
 270  0,  0,  0,  0,  0,  0,  0,  0,
 271  0,  0,  0,  0,  0,  0,  0,  0,
 272  0,  0,  0,  1,  1,  1,  1,  1,
 273  1,  1,  1,  1,  1,  1,  1,  1,
 274  2,  2,  2,  2,  2,  2,  2,  2,
 275  2,  2,  2,  3,  3,  3,  3,  3,
 276  3,  3,  3,  3,  4,  4,  4,  4,
 277  4,  4,  5,  5,  5,  5,  5,  5,
 278  6,  6,  6,  6,  6,  7,  7,  7,
 279  7,  7,  8,  8,  8,  8,  9,  9,
 280  9,  9, 10, 10, 11, 11, 12, 12,
 281 13, 14, 15, 16, 17, 18, 19,
 282  0,  0,  0,  0,  0,  1,  1,  1,
 283  1,  1,  2,  2,  2,  3,  3,  4,
 284  4,  5,  5,  6,  6,  7,  7,  8,
 285  8,  9,  9, 10, 10, 11, 11, 12,
 286 12, 13, 13, 14, 15, 16, 17, 18,
 287 19, 20, 21, 22, 23, 24, 25, 26,
 288 27, 28, 29, 30, 31, 32, 33, 34,
 289 35, 36, 37, 38, 39, 40, 41, 42,
 290 43, 44,
 291 };
 292
 293 static const int8_t intra_rvlc_level[169]={
 294  1,  2,  3,  4,  5,  6,  7,  8,
 295  9, 10, 11, 12, 13, 14, 15, 16,
 296 17, 18, 19, 20, 21, 22, 23, 24,
 297 25, 26, 27,  1,  2,  3,  4,  5,
 298  6,  7,  8,  9, 10, 11, 12, 13,
 299  1,  2,  3,  4,  5,  6,  7,  8,
 300  9, 10, 11,  1,  2,  3,  4,  5,
 301  6,  7,  8,  9,  1,  2,  3,  4,
 302  5,  6,  1,  2,  3,  4,  5,  6,
 303  1,  2,  3,  4,  5,  1,  2,  3,
 304  4,  5,  1,  2,  3,  4,  1,  2,
 305  3,  4,  1,  2,  1,  2,  1,  2,
 306  1,  1,  1,  1,  1,  1,  1,
 307  1,  2,  3,  4,  5,  1,  2,  3,
 308  4,  5,  1,  2,  3,  1,  2,  1,
 309  2,  1,  2,  1,  2,  1,  2,  1,
 310  2,  1,  2,  1,  2,  1,  2,  1,
 311  2,  1,  2,  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,  1,  1,  1,  1,  1,  1,
 315  1,  1,
 316 };
 317
 318 RLTable ff_rvlc_rl_intra = {
 319     169,
 320     103,
 321     intra_rvlc,
 322     intra_rvlc_run,
 323     intra_rvlc_level,
 324 };
 325
 326 const uint16_t ff_sprite_trajectory_tab[15][2] = {
 327  {0x00, 2}, {0x02, 3},  {0x03, 3},  {0x04, 3}, {0x05, 3}, {0x06, 3},
 328  {0x0E, 4}, {0x1E, 5},  {0x3E, 6},  {0x7E, 7}, {0xFE, 8},
 329  {0x1FE, 9},{0x3FE, 10},{0x7FE, 11},{0xFFE, 12},
 330 };
 331
 332 const uint8_t ff_mb_type_b_tab[4][2] = {
 333  {1, 1}, {1, 2}, {1, 3}, {1, 4},
 334 };
 335
 336 /* these matrixes will be permuted for the idct */
 337 const int16_t ff_mpeg4_default_intra_matrix[64] = {
 338   8, 17, 18, 19, 21, 23, 25, 27,
 339  17, 18, 19, 21, 23, 25, 27, 28,
 340  20, 21, 22, 23, 24, 26, 28, 30,
 341  21, 22, 23, 24, 26, 28, 30, 32,
 342  22, 23, 24, 26, 28, 30, 32, 35,
 343  23, 24, 26, 28, 30, 32, 35, 38,
 344  25, 26, 28, 30, 32, 35, 38, 41,
 345  27, 28, 30, 32, 35, 38, 41, 45,
 346 };
 347
 348 const int16_t ff_mpeg4_default_non_intra_matrix[64] = {
 349  16, 17, 18, 19, 20, 21, 22, 23,
 350  17, 18, 19, 20, 21, 22, 23, 24,
 351  18, 19, 20, 21, 22, 23, 24, 25,
 352  19, 20, 21, 22, 23, 24, 26, 27,
 353  20, 21, 22, 23, 25, 26, 27, 28,
 354  21, 22, 23, 24, 26, 27, 28, 30,
 355  22, 23, 24, 26, 27, 28, 30, 31,
 356  23, 24, 25, 27, 28, 30, 31, 33,
 357 };
 358
 359 const uint8_t ff_mpeg4_y_dc_scale_table[32]={
 360 //  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
 361     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
 362 };
 363 const uint8_t ff_mpeg4_c_dc_scale_table[32]={
 364 //  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
 365     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
 366 };
 367
 368 const uint16_t ff_mpeg4_resync_prefix[8]={
 369     0x7F00, 0x7E00, 0x7C00, 0x7800, 0x7000, 0x6000, 0x4000, 0x0000
 370 };
 371
 372 const uint8_t ff_mpeg4_dc_threshold[8]={
 373     99, 13, 15, 17, 19, 21, 23, 0
 374 };
 375
 376 #endif /* AVCODEC_MPEG4DATA_H */