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 libavcodec/mpeg4data.h 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// shapes 35#define RECT_SHAPE 0 36#define BIN_SHAPE 1 37#define BIN_ONLY_SHAPE 2 38#define GRAY_SHAPE 3 39 40#define SIMPLE_VO_TYPE 1 41#define CORE_VO_TYPE 3 42#define MAIN_VO_TYPE 4 43#define NBIT_VO_TYPE 5 44#define ARTS_VO_TYPE 10 45#define ACE_VO_TYPE 12 46#define ADV_SIMPLE_VO_TYPE 17 47 48// aspect_ratio_info 49#define EXTENDED_PAR 15 50 51//vol_sprite_usage / sprite_enable 52#define STATIC_SPRITE 1 53#define GMC_SPRITE 2 54 55#define MOTION_MARKER 0x1F001 56#define DC_MARKER 0x6B001 57 58static const int mb_type_b_map[4]= { 59 MB_TYPE_DIRECT2 | MB_TYPE_L0L1, 60 MB_TYPE_L0L1 | MB_TYPE_16x16, 61 MB_TYPE_L1 | MB_TYPE_16x16, 62 MB_TYPE_L0 | MB_TYPE_16x16, 63}; 64 65#define VOS_STARTCODE 0x1B0 66#define USER_DATA_STARTCODE 0x1B2 67#define GOP_STARTCODE 0x1B3 68#define VISUAL_OBJ_STARTCODE 0x1B5 69#define VOP_STARTCODE 0x1B6 70 71/* dc encoding for mpeg4 */ 72const uint8_t DCtab_lum[13][2] = 73{ 74 {3,3}, {3,2}, {2,2}, {2,3}, {1,3}, {1,4}, {1,5}, {1,6}, {1,7}, 75 {1,8}, {1,9}, {1,10}, {1,11}, 76}; 77 78const uint8_t DCtab_chrom[13][2] = 79{ 80 {3,2}, {2,2}, {1,2}, {1,3}, {1,4}, {1,5}, {1,6}, {1,7}, {1,8}, 81 {1,9}, {1,10}, {1,11}, {1,12}, 82}; 83 84const uint16_t intra_vlc[103][2] = { 85{ 0x2, 2 }, 86{ 0x6, 3 },{ 0xf, 4 },{ 0xd, 5 },{ 0xc, 5 }, 87{ 0x15, 6 },{ 0x13, 6 },{ 0x12, 6 },{ 0x17, 7 }, 88{ 0x1f, 8 },{ 0x1e, 8 },{ 0x1d, 8 },{ 0x25, 9 }, 89{ 0x24, 9 },{ 0x23, 9 },{ 0x21, 9 },{ 0x21, 10 }, 90{ 0x20, 10 },{ 0xf, 10 },{ 0xe, 10 },{ 0x7, 11 }, 91{ 0x6, 11 },{ 0x20, 11 },{ 0x21, 11 },{ 0x50, 12 }, 92{ 0x51, 12 },{ 0x52, 12 },{ 0xe, 4 },{ 0x14, 6 }, 93{ 0x16, 7 },{ 0x1c, 8 },{ 0x20, 9 },{ 0x1f, 9 }, 94{ 0xd, 10 },{ 0x22, 11 },{ 0x53, 12 },{ 0x55, 12 }, 95{ 0xb, 5 },{ 0x15, 7 },{ 0x1e, 9 },{ 0xc, 10 }, 96{ 0x56, 12 },{ 0x11, 6 },{ 0x1b, 8 },{ 0x1d, 9 }, 97{ 0xb, 10 },{ 0x10, 6 },{ 0x22, 9 },{ 0xa, 10 }, 98{ 0xd, 6 },{ 0x1c, 9 },{ 0x8, 10 },{ 0x12, 7 }, 99{ 0x1b, 9 },{ 0x54, 12 },{ 0x14, 7 },{ 0x1a, 9 }, 100{ 0x57, 12 },{ 0x19, 8 },{ 0x9, 10 },{ 0x18, 8 }, 101{ 0x23, 11 },{ 0x17, 8 },{ 0x19, 9 },{ 0x18, 9 }, 102{ 0x7, 10 },{ 0x58, 12 },{ 0x7, 4 },{ 0xc, 6 }, 103{ 0x16, 8 },{ 0x17, 9 },{ 0x6, 10 },{ 0x5, 11 }, 104{ 0x4, 11 },{ 0x59, 12 },{ 0xf, 6 },{ 0x16, 9 }, 105{ 0x5, 10 },{ 0xe, 6 },{ 0x4, 10 },{ 0x11, 7 }, 106{ 0x24, 11 },{ 0x10, 7 },{ 0x25, 11 },{ 0x13, 7 }, 107{ 0x5a, 12 },{ 0x15, 8 },{ 0x5b, 12 },{ 0x14, 8 }, 108{ 0x13, 8 },{ 0x1a, 8 },{ 0x15, 9 },{ 0x14, 9 }, 109{ 0x13, 9 },{ 0x12, 9 },{ 0x11, 9 },{ 0x26, 11 }, 110{ 0x27, 11 },{ 0x5c, 12 },{ 0x5d, 12 },{ 0x5e, 12 }, 111{ 0x5f, 12 },{ 0x3, 7 }, 112}; 113 114const int8_t intra_level[102] = { 115 1, 2, 3, 4, 5, 6, 7, 8, 116 9, 10, 11, 12, 13, 14, 15, 16, 117 17, 18, 19, 20, 21, 22, 23, 24, 118 25, 26, 27, 1, 2, 3, 4, 5, 119 6, 7, 8, 9, 10, 1, 2, 3, 120 4, 5, 1, 2, 3, 4, 1, 2, 121 3, 1, 2, 3, 1, 2, 3, 1, 122 2, 3, 1, 2, 1, 2, 1, 1, 123 1, 1, 1, 1, 2, 3, 4, 5, 124 6, 7, 8, 1, 2, 3, 1, 2, 125 1, 2, 1, 2, 1, 2, 1, 2, 126 1, 1, 1, 1, 1, 1, 1, 1, 127 1, 1, 1, 1, 1, 1, 128}; 129 130const int8_t intra_run[102] = { 131 0, 0, 0, 0, 0, 0, 0, 0, 132 0, 0, 0, 0, 0, 0, 0, 0, 133 0, 0, 0, 0, 0, 0, 0, 0, 134 0, 0, 0, 1, 1, 1, 1, 1, 135 1, 1, 1, 1, 1, 2, 2, 2, 136 2, 2, 3, 3, 3, 3, 4, 4, 137 4, 5, 5, 5, 6, 6, 6, 7, 138 7, 7, 8, 8, 9, 9, 10, 11, 139 12, 13, 14, 0, 0, 0, 0, 0, 140 0, 0, 0, 1, 1, 1, 2, 2, 141 3, 3, 4, 4, 5, 5, 6, 6, 142 7, 8, 9, 10, 11, 12, 13, 14, 143 15, 16, 17, 18, 19, 20, 144}; 145 146static RLTable rl_intra = { 147 102, 148 67, 149 intra_vlc, 150 intra_run, 151 intra_level, 152}; 153 154/* Note this is identical to the intra rvlc except that it is reordered. */ 155static const uint16_t inter_rvlc[170][2]={ 156{0x0006, 3},{0x0001, 4},{0x0004, 5},{0x001C, 7}, 157{0x003C, 8},{0x003D, 8},{0x007C, 9},{0x00FC, 10}, 158{0x00FD, 10},{0x01FC, 11},{0x01FD, 11},{0x03FC, 12}, 159{0x07FC, 13},{0x07FD, 13},{0x0BFC, 13},{0x0BFD, 13}, 160{0x0FFC, 14},{0x0FFD, 14},{0x1FFC, 15},{0x0007, 3}, 161{0x000C, 6},{0x005C, 8},{0x007D, 9},{0x017C, 10}, 162{0x02FC, 11},{0x03FD, 12},{0x0DFC, 13},{0x17FC, 14}, 163{0x17FD, 14},{0x000A, 4},{0x001D, 7},{0x00BC, 9}, 164{0x02FD, 11},{0x05FC, 12},{0x1BFC, 14},{0x1BFD, 14}, 165{0x0005, 5},{0x005D, 8},{0x017D, 10},{0x05FD, 12}, 166{0x0DFD, 13},{0x1DFC, 14},{0x1FFD, 15},{0x0008, 5}, 167{0x006C, 8},{0x037C, 11},{0x0EFC, 13},{0x2FFC, 15}, 168{0x0009, 5},{0x00BD, 9},{0x037D, 11},{0x0EFD, 13}, 169{0x000D, 6},{0x01BC, 10},{0x06FC, 12},{0x1DFD, 14}, 170{0x0014, 6},{0x01BD, 10},{0x06FD, 12},{0x2FFD, 15}, 171{0x0015, 6},{0x01DC, 10},{0x0F7C, 13},{0x002C, 7}, 172{0x01DD, 10},{0x1EFC, 14},{0x002D, 7},{0x03BC, 11}, 173{0x0034, 7},{0x077C, 12},{0x006D, 8},{0x0F7D, 13}, 174{0x0074, 8},{0x1EFD, 14},{0x0075, 8},{0x1F7C, 14}, 175{0x00DC, 9},{0x1F7D, 14},{0x00DD, 9},{0x1FBC, 14}, 176{0x00EC, 9},{0x37FC, 15},{0x01EC, 10},{0x01ED, 10}, 177{0x01F4, 10},{0x03BD, 11},{0x03DC, 11},{0x03DD, 11}, 178{0x03EC, 11},{0x03ED, 11},{0x03F4, 11},{0x077D, 12}, 179{0x07BC, 12},{0x07BD, 12},{0x0FBC, 13},{0x0FBD, 13}, 180{0x0FDC, 13},{0x0FDD, 13},{0x1FBD, 14},{0x1FDC, 14}, 181{0x1FDD, 14},{0x37FD, 15},{0x3BFC, 15}, 182{0x000B, 4},{0x0078, 8},{0x03F5, 11},{0x0FEC, 13}, 183{0x1FEC, 14},{0x0012, 5},{0x00ED, 9},{0x07DC, 12}, 184{0x1FED, 14},{0x3BFD, 15},{0x0013, 5},{0x03F8, 11}, 185{0x3DFC, 15},{0x0018, 6},{0x07DD, 12},{0x0019, 6}, 186{0x07EC, 12},{0x0022, 6},{0x0FED, 13},{0x0023, 6}, 187{0x0FF4, 13},{0x0035, 7},{0x0FF5, 13},{0x0038, 7}, 188{0x0FF8, 13},{0x0039, 7},{0x0FF9, 13},{0x0042, 7}, 189{0x1FF4, 14},{0x0043, 7},{0x1FF5, 14},{0x0079, 8}, 190{0x1FF8, 14},{0x0082, 8},{0x3DFD, 15},{0x0083, 8}, 191{0x00F4, 9},{0x00F5, 9},{0x00F8, 9},{0x00F9, 9}, 192{0x0102, 9},{0x0103, 9},{0x01F5, 10},{0x01F8, 10}, 193{0x01F9, 10},{0x0202, 10},{0x0203, 10},{0x03F9, 11}, 194{0x0402, 11},{0x0403, 11},{0x07ED, 12},{0x07F4, 12}, 195{0x07F5, 12},{0x07F8, 12},{0x07F9, 12},{0x0802, 12}, 196{0x0803, 12},{0x1002, 13},{0x1003, 13},{0x1FF9, 14}, 197{0x2002, 14},{0x2003, 14},{0x3EFC, 15},{0x3EFD, 15}, 198{0x3F7C, 15},{0x3F7D, 15},{0x0000, 4} 199}; 200 201static const int8_t inter_rvlc_run[169]={ 202 0, 0, 0, 0, 0, 0, 0, 0, 203 0, 0, 0, 0, 0, 0, 0, 0, 204 0, 0, 0, 1, 1, 1, 1, 1, 205 1, 1, 1, 1, 1, 2, 2, 2, 206 2, 2, 2, 2, 3, 3, 3, 3, 207 3, 3, 3, 4, 4, 4, 4, 4, 208 5, 5, 5, 5, 6, 6, 6, 6, 209 7, 7, 7, 7, 8, 8, 8, 9, 210 9, 9, 10, 10, 11, 11, 12, 12, 21113, 13, 14, 14, 15, 15, 16, 16, 21217, 17, 18, 19, 20, 21, 22, 23, 21324, 25, 26, 27, 28, 29, 30, 31, 21432, 33, 34, 35, 36, 37, 38, 215 0, 0, 0, 0, 0, 1, 1, 1, 216 1, 1, 2, 2, 2, 3, 3, 4, 217 4, 5, 5, 6, 6, 7, 7, 8, 218 8, 9, 9, 10, 10, 11, 11, 12, 21912, 13, 13, 14, 15, 16, 17, 18, 22019, 20, 21, 22, 23, 24, 25, 26, 22127, 28, 29, 30, 31, 32, 33, 34, 22235, 36, 37, 38, 39, 40, 41, 42, 22343, 44, 224}; 225 226static const int8_t inter_rvlc_level[169]={ 227 1, 2, 3, 4, 5, 6, 7, 8, 228 9, 10, 11, 12, 13, 14, 15, 16, 22917, 18, 19, 1, 2, 3, 4, 5, 230 6, 7, 8, 9, 10, 1, 2, 3, 231 4, 5, 6, 7, 1, 2, 3, 4, 232 5, 6, 7, 1, 2, 3, 4, 5, 233 1, 2, 3, 4, 1, 2, 3, 4, 234 1, 2, 3, 4, 1, 2, 3, 1, 235 2, 3, 1, 2, 1, 2, 1, 2, 236 1, 2, 1, 2, 1, 2, 1, 2, 237 1, 2, 1, 1, 1, 1, 1, 1, 238 1, 1, 1, 1, 1, 1, 1, 1, 239 1, 1, 1, 1, 1, 1, 1, 240 1, 2, 3, 4, 5, 1, 2, 3, 241 4, 5, 1, 2, 3, 1, 2, 1, 242 2, 1, 2, 1, 2, 1, 2, 1, 243 2, 1, 2, 1, 2, 1, 2, 1, 244 2, 1, 2, 1, 1, 1, 1, 1, 245 1, 1, 1, 1, 1, 1, 1, 1, 246 1, 1, 1, 1, 1, 1, 1, 1, 247 1, 1, 1, 1, 1, 1, 1, 1, 248 1, 1, 249}; 250 251static RLTable rvlc_rl_inter = { 252 169, 253 103, 254 inter_rvlc, 255 inter_rvlc_run, 256 inter_rvlc_level, 257}; 258 259static const uint16_t intra_rvlc[170][2]={ 260{0x0006, 3},{0x0007, 3},{0x000A, 4},{0x0009, 5}, 261{0x0014, 6},{0x0015, 6},{0x0034, 7},{0x0074, 8}, 262{0x0075, 8},{0x00DD, 9},{0x00EC, 9},{0x01EC, 10}, 263{0x01ED, 10},{0x01F4, 10},{0x03EC, 11},{0x03ED, 11}, 264{0x03F4, 11},{0x077D, 12},{0x07BC, 12},{0x0FBD, 13}, 265{0x0FDC, 13},{0x07BD, 12},{0x0FDD, 13},{0x1FBD, 14}, 266{0x1FDC, 14},{0x1FDD, 14},{0x1FFC, 15},{0x0001, 4}, 267{0x0008, 5},{0x002D, 7},{0x006C, 8},{0x006D, 8}, 268{0x00DC, 9},{0x01DD, 10},{0x03DC, 11},{0x03DD, 11}, 269{0x077C, 12},{0x0FBC, 13},{0x1F7D, 14},{0x1FBC, 14}, 270{0x0004, 5},{0x002C, 7},{0x00BC, 9},{0x01DC, 10}, 271{0x03BC, 11},{0x03BD, 11},{0x0EFD, 13},{0x0F7C, 13}, 272{0x0F7D, 13},{0x1EFD, 14},{0x1F7C, 14},{0x0005, 5}, 273{0x005C, 8},{0x00BD, 9},{0x037D, 11},{0x06FC, 12}, 274{0x0EFC, 13},{0x1DFD, 14},{0x1EFC, 14},{0x1FFD, 15}, 275{0x000C, 6},{0x005D, 8},{0x01BD, 10},{0x03FD, 12}, 276{0x06FD, 12},{0x1BFD, 14},{0x000D, 6},{0x007D, 9}, 277{0x02FC, 11},{0x05FC, 12},{0x1BFC, 14},{0x1DFC, 14}, 278{0x001C, 7},{0x017C, 10},{0x02FD, 11},{0x05FD, 12}, 279{0x2FFC, 15},{0x001D, 7},{0x017D, 10},{0x037C, 11}, 280{0x0DFD, 13},{0x2FFD, 15},{0x003C, 8},{0x01BC, 10}, 281{0x0BFD, 13},{0x17FD, 14},{0x003D, 8},{0x01FD, 11}, 282{0x0DFC, 13},{0x37FC, 15},{0x007C, 9},{0x03FC, 12}, 283{0x00FC, 10},{0x0BFC, 13},{0x00FD, 10},{0x37FD, 15}, 284{0x01FC, 11},{0x07FC, 13},{0x07FD, 13},{0x0FFC, 14}, 285{0x0FFD, 14},{0x17FC, 14},{0x3BFC, 15}, 286{0x000B, 4},{0x0078, 8},{0x03F5, 11},{0x0FEC, 13}, 287{0x1FEC, 14},{0x0012, 5},{0x00ED, 9},{0x07DC, 12}, 288{0x1FED, 14},{0x3BFD, 15},{0x0013, 5},{0x03F8, 11}, 289{0x3DFC, 15},{0x0018, 6},{0x07DD, 12},{0x0019, 6}, 290{0x07EC, 12},{0x0022, 6},{0x0FED, 13},{0x0023, 6}, 291{0x0FF4, 13},{0x0035, 7},{0x0FF5, 13},{0x0038, 7}, 292{0x0FF8, 13},{0x0039, 7},{0x0FF9, 13},{0x0042, 7}, 293{0x1FF4, 14},{0x0043, 7},{0x1FF5, 14},{0x0079, 8}, 294{0x1FF8, 14},{0x0082, 8},{0x3DFD, 15},{0x0083, 8}, 295{0x00F4, 9},{0x00F5, 9},{0x00F8, 9},{0x00F9, 9}, 296{0x0102, 9},{0x0103, 9},{0x01F5, 10},{0x01F8, 10}, 297{0x01F9, 10},{0x0202, 10},{0x0203, 10},{0x03F9, 11}, 298{0x0402, 11},{0x0403, 11},{0x07ED, 12},{0x07F4, 12}, 299{0x07F5, 12},{0x07F8, 12},{0x07F9, 12},{0x0802, 12}, 300{0x0803, 12},{0x1002, 13},{0x1003, 13},{0x1FF9, 14}, 301{0x2002, 14},{0x2003, 14},{0x3EFC, 15},{0x3EFD, 15}, 302{0x3F7C, 15},{0x3F7D, 15},{0x0000, 4} 303}; 304 305static const int8_t intra_rvlc_run[169]={ 306 0, 0, 0, 0, 0, 0, 0, 0, 307 0, 0, 0, 0, 0, 0, 0, 0, 308 0, 0, 0, 0, 0, 0, 0, 0, 309 0, 0, 0, 1, 1, 1, 1, 1, 310 1, 1, 1, 1, 1, 1, 1, 1, 311 2, 2, 2, 2, 2, 2, 2, 2, 312 2, 2, 2, 3, 3, 3, 3, 3, 313 3, 3, 3, 3, 4, 4, 4, 4, 314 4, 4, 5, 5, 5, 5, 5, 5, 315 6, 6, 6, 6, 6, 7, 7, 7, 316 7, 7, 8, 8, 8, 8, 9, 9, 317 9, 9, 10, 10, 11, 11, 12, 12, 31813, 14, 15, 16, 17, 18, 19, 319 0, 0, 0, 0, 0, 1, 1, 1, 320 1, 1, 2, 2, 2, 3, 3, 4, 321 4, 5, 5, 6, 6, 7, 7, 8, 322 8, 9, 9, 10, 10, 11, 11, 12, 32312, 13, 13, 14, 15, 16, 17, 18, 32419, 20, 21, 22, 23, 24, 25, 26, 32527, 28, 29, 30, 31, 32, 33, 34, 32635, 36, 37, 38, 39, 40, 41, 42, 32743, 44, 328}; 329 330static const int8_t intra_rvlc_level[169]={ 331 1, 2, 3, 4, 5, 6, 7, 8, 332 9, 10, 11, 12, 13, 14, 15, 16, 33317, 18, 19, 20, 21, 22, 23, 24, 33425, 26, 27, 1, 2, 3, 4, 5, 335 6, 7, 8, 9, 10, 11, 12, 13, 336 1, 2, 3, 4, 5, 6, 7, 8, 337 9, 10, 11, 1, 2, 3, 4, 5, 338 6, 7, 8, 9, 1, 2, 3, 4, 339 5, 6, 1, 2, 3, 4, 5, 6, 340 1, 2, 3, 4, 5, 1, 2, 3, 341 4, 5, 1, 2, 3, 4, 1, 2, 342 3, 4, 1, 2, 1, 2, 1, 2, 343 1, 1, 1, 1, 1, 1, 1, 344 1, 2, 3, 4, 5, 1, 2, 3, 345 4, 5, 1, 2, 3, 1, 2, 1, 346 2, 1, 2, 1, 2, 1, 2, 1, 347 2, 1, 2, 1, 2, 1, 2, 1, 348 2, 1, 2, 1, 1, 1, 1, 1, 349 1, 1, 1, 1, 1, 1, 1, 1, 350 1, 1, 1, 1, 1, 1, 1, 1, 351 1, 1, 1, 1, 1, 1, 1, 1, 352 1, 1, 353}; 354 355static RLTable rvlc_rl_intra = { 356 169, 357 103, 358 intra_rvlc, 359 intra_rvlc_run, 360 intra_rvlc_level, 361}; 362 363static const uint16_t sprite_trajectory_tab[15][2] = { 364 {0x00, 2}, {0x02, 3}, {0x03, 3}, {0x04, 3}, {0x05, 3}, {0x06, 3}, 365 {0x0E, 4}, {0x1E, 5}, {0x3E, 6}, {0x7E, 7}, {0xFE, 8}, 366 {0x1FE, 9},{0x3FE, 10},{0x7FE, 11},{0xFFE, 12}, 367}; 368 369static const uint8_t mb_type_b_tab[4][2] = { 370 {1, 1}, {1, 2}, {1, 3}, {1, 4}, 371}; 372 373static const AVRational pixel_aspect[16]={ 374 {0, 1}, 375 {1, 1}, 376 {12, 11}, 377 {10, 11}, 378 {16, 11}, 379 {40, 33}, 380 {0, 1}, 381 {0, 1}, 382 {0, 1}, 383 {0, 1}, 384 {0, 1}, 385 {0, 1}, 386 {0, 1}, 387 {0, 1}, 388 {0, 1}, 389 {0, 1}, 390}; 391 392/* these matrixes will be permuted for the idct */ 393const int16_t ff_mpeg4_default_intra_matrix[64] = { 394 8, 17, 18, 19, 21, 23, 25, 27, 395 17, 18, 19, 21, 23, 25, 27, 28, 396 20, 21, 22, 23, 24, 26, 28, 30, 397 21, 22, 23, 24, 26, 28, 30, 32, 398 22, 23, 24, 26, 28, 30, 32, 35, 399 23, 24, 26, 28, 30, 32, 35, 38, 400 25, 26, 28, 30, 32, 35, 38, 41, 401 27, 28, 30, 32, 35, 38, 41, 45, 402}; 403 404const int16_t ff_mpeg4_default_non_intra_matrix[64] = { 405 16, 17, 18, 19, 20, 21, 22, 23, 406 17, 18, 19, 20, 21, 22, 23, 24, 407 18, 19, 20, 21, 22, 23, 24, 25, 408 19, 20, 21, 22, 23, 24, 26, 27, 409 20, 21, 22, 23, 25, 26, 27, 28, 410 21, 22, 23, 24, 26, 27, 28, 30, 411 22, 23, 24, 26, 27, 28, 30, 31, 412 23, 24, 25, 27, 28, 30, 31, 33, 413}; 414 415const uint8_t ff_mpeg4_y_dc_scale_table[32]={ 416// 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 31 417 0, 8, 8, 8, 8,10,12,14,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,34,36,38,40,42,44,46 418}; 419const uint8_t ff_mpeg4_c_dc_scale_table[32]={ 420// 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 31 421 0, 8, 8, 8, 8, 9, 9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,17,17,18,18,19,20,21,22,23,24,25 422}; 423 424const uint16_t ff_mpeg4_resync_prefix[8]={ 425 0x7F00, 0x7E00, 0x7C00, 0x7800, 0x7000, 0x6000, 0x4000, 0x0000 426}; 427 428static const uint8_t mpeg4_dc_threshold[8]={ 429 99, 13, 15, 17, 19, 21, 23, 0 430}; 431 432#endif /* AVCODEC_MPEG4DATA_H */ 433