Libav 0.7.1
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00001 /* 00002 * MPEG1/2 tables 00003 * copyright (c) 2000,2001 Fabrice Bellard 00004 * copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> 00005 * 00006 * This file is part of Libav. 00007 * 00008 * Libav is free software; you can redistribute it and/or 00009 * modify it under the terms of the GNU Lesser General Public 00010 * License as published by the Free Software Foundation; either 00011 * version 2.1 of the License, or (at your option) any later version. 00012 * 00013 * Libav is distributed in the hope that it will be useful, 00014 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00016 * Lesser General Public License for more details. 00017 * 00018 * You should have received a copy of the GNU Lesser General Public 00019 * License along with Libav; if not, write to the Free Software 00020 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00021 */ 00022 00028 #include "mpeg12data.h" 00029 00030 const uint16_t ff_mpeg1_default_intra_matrix[64] = { 00031 8, 16, 19, 22, 26, 27, 29, 34, 00032 16, 16, 22, 24, 27, 29, 34, 37, 00033 19, 22, 26, 27, 29, 34, 34, 38, 00034 22, 22, 26, 27, 29, 34, 37, 40, 00035 22, 26, 27, 29, 32, 35, 40, 48, 00036 26, 27, 29, 32, 35, 40, 48, 58, 00037 26, 27, 29, 34, 38, 46, 56, 69, 00038 27, 29, 35, 38, 46, 56, 69, 83 00039 }; 00040 00041 const uint16_t ff_mpeg1_default_non_intra_matrix[64] = { 00042 16, 16, 16, 16, 16, 16, 16, 16, 00043 16, 16, 16, 16, 16, 16, 16, 16, 00044 16, 16, 16, 16, 16, 16, 16, 16, 00045 16, 16, 16, 16, 16, 16, 16, 16, 00046 16, 16, 16, 16, 16, 16, 16, 16, 00047 16, 16, 16, 16, 16, 16, 16, 16, 00048 16, 16, 16, 16, 16, 16, 16, 16, 00049 16, 16, 16, 16, 16, 16, 16, 16, 00050 }; 00051 00052 const uint16_t ff_mpeg12_vlc_dc_lum_code[12] = { 00053 0x4, 0x0, 0x1, 0x5, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x1ff, 00054 }; 00055 const unsigned char ff_mpeg12_vlc_dc_lum_bits[12] = { 00056 3, 2, 2, 3, 3, 4, 5, 6, 7, 8, 9, 9, 00057 }; 00058 00059 const uint16_t ff_mpeg12_vlc_dc_chroma_code[12] = { 00060 0x0, 0x1, 0x2, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x3fe, 0x3ff, 00061 }; 00062 const unsigned char ff_mpeg12_vlc_dc_chroma_bits[12] = { 00063 2, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 00064 }; 00065 00066 static const uint16_t mpeg1_vlc[113][2] = { 00067 { 0x3, 2 }, { 0x4, 4 }, { 0x5, 5 }, { 0x6, 7 }, 00068 { 0x26, 8 }, { 0x21, 8 }, { 0xa, 10 }, { 0x1d, 12 }, 00069 { 0x18, 12 }, { 0x13, 12 }, { 0x10, 12 }, { 0x1a, 13 }, 00070 { 0x19, 13 }, { 0x18, 13 }, { 0x17, 13 }, { 0x1f, 14 }, 00071 { 0x1e, 14 }, { 0x1d, 14 }, { 0x1c, 14 }, { 0x1b, 14 }, 00072 { 0x1a, 14 }, { 0x19, 14 }, { 0x18, 14 }, { 0x17, 14 }, 00073 { 0x16, 14 }, { 0x15, 14 }, { 0x14, 14 }, { 0x13, 14 }, 00074 { 0x12, 14 }, { 0x11, 14 }, { 0x10, 14 }, { 0x18, 15 }, 00075 { 0x17, 15 }, { 0x16, 15 }, { 0x15, 15 }, { 0x14, 15 }, 00076 { 0x13, 15 }, { 0x12, 15 }, { 0x11, 15 }, { 0x10, 15 }, 00077 { 0x3, 3 }, { 0x6, 6 }, { 0x25, 8 }, { 0xc, 10 }, 00078 { 0x1b, 12 }, { 0x16, 13 }, { 0x15, 13 }, { 0x1f, 15 }, 00079 { 0x1e, 15 }, { 0x1d, 15 }, { 0x1c, 15 }, { 0x1b, 15 }, 00080 { 0x1a, 15 }, { 0x19, 15 }, { 0x13, 16 }, { 0x12, 16 }, 00081 { 0x11, 16 }, { 0x10, 16 }, { 0x5, 4 }, { 0x4, 7 }, 00082 { 0xb, 10 }, { 0x14, 12 }, { 0x14, 13 }, { 0x7, 5 }, 00083 { 0x24, 8 }, { 0x1c, 12 }, { 0x13, 13 }, { 0x6, 5 }, 00084 { 0xf, 10 }, { 0x12, 12 }, { 0x7, 6 }, { 0x9, 10 }, 00085 { 0x12, 13 }, { 0x5, 6 }, { 0x1e, 12 }, { 0x14, 16 }, 00086 { 0x4, 6 }, { 0x15, 12 }, { 0x7, 7 }, { 0x11, 12 }, 00087 { 0x5, 7 }, { 0x11, 13 }, { 0x27, 8 }, { 0x10, 13 }, 00088 { 0x23, 8 }, { 0x1a, 16 }, { 0x22, 8 }, { 0x19, 16 }, 00089 { 0x20, 8 }, { 0x18, 16 }, { 0xe, 10 }, { 0x17, 16 }, 00090 { 0xd, 10 }, { 0x16, 16 }, { 0x8, 10 }, { 0x15, 16 }, 00091 { 0x1f, 12 }, { 0x1a, 12 }, { 0x19, 12 }, { 0x17, 12 }, 00092 { 0x16, 12 }, { 0x1f, 13 }, { 0x1e, 13 }, { 0x1d, 13 }, 00093 { 0x1c, 13 }, { 0x1b, 13 }, { 0x1f, 16 }, { 0x1e, 16 }, 00094 { 0x1d, 16 }, { 0x1c, 16 }, { 0x1b, 16 }, 00095 { 0x1, 6 }, /* escape */ 00096 { 0x2, 2 }, /* EOB */ 00097 }; 00098 00099 static const uint16_t mpeg2_vlc[113][2] = { 00100 {0x02, 2}, {0x06, 3}, {0x07, 4}, {0x1c, 5}, 00101 {0x1d, 5}, {0x05, 6}, {0x04, 6}, {0x7b, 7}, 00102 {0x7c, 7}, {0x23, 8}, {0x22, 8}, {0xfa, 8}, 00103 {0xfb, 8}, {0xfe, 8}, {0xff, 8}, {0x1f,14}, 00104 {0x1e,14}, {0x1d,14}, {0x1c,14}, {0x1b,14}, 00105 {0x1a,14}, {0x19,14}, {0x18,14}, {0x17,14}, 00106 {0x16,14}, {0x15,14}, {0x14,14}, {0x13,14}, 00107 {0x12,14}, {0x11,14}, {0x10,14}, {0x18,15}, 00108 {0x17,15}, {0x16,15}, {0x15,15}, {0x14,15}, 00109 {0x13,15}, {0x12,15}, {0x11,15}, {0x10,15}, 00110 {0x02, 3}, {0x06, 5}, {0x79, 7}, {0x27, 8}, 00111 {0x20, 8}, {0x16,13}, {0x15,13}, {0x1f,15}, 00112 {0x1e,15}, {0x1d,15}, {0x1c,15}, {0x1b,15}, 00113 {0x1a,15}, {0x19,15}, {0x13,16}, {0x12,16}, 00114 {0x11,16}, {0x10,16}, {0x05, 5}, {0x07, 7}, 00115 {0xfc, 8}, {0x0c,10}, {0x14,13}, {0x07, 5}, 00116 {0x26, 8}, {0x1c,12}, {0x13,13}, {0x06, 6}, 00117 {0xfd, 8}, {0x12,12}, {0x07, 6}, {0x04, 9}, 00118 {0x12,13}, {0x06, 7}, {0x1e,12}, {0x14,16}, 00119 {0x04, 7}, {0x15,12}, {0x05, 7}, {0x11,12}, 00120 {0x78, 7}, {0x11,13}, {0x7a, 7}, {0x10,13}, 00121 {0x21, 8}, {0x1a,16}, {0x25, 8}, {0x19,16}, 00122 {0x24, 8}, {0x18,16}, {0x05, 9}, {0x17,16}, 00123 {0x07, 9}, {0x16,16}, {0x0d,10}, {0x15,16}, 00124 {0x1f,12}, {0x1a,12}, {0x19,12}, {0x17,12}, 00125 {0x16,12}, {0x1f,13}, {0x1e,13}, {0x1d,13}, 00126 {0x1c,13}, {0x1b,13}, {0x1f,16}, {0x1e,16}, 00127 {0x1d,16}, {0x1c,16}, {0x1b,16}, 00128 {0x01,6}, /* escape */ 00129 {0x06,4}, /* EOB */ 00130 }; 00131 00132 static const int8_t mpeg1_level[111] = { 00133 1, 2, 3, 4, 5, 6, 7, 8, 00134 9, 10, 11, 12, 13, 14, 15, 16, 00135 17, 18, 19, 20, 21, 22, 23, 24, 00136 25, 26, 27, 28, 29, 30, 31, 32, 00137 33, 34, 35, 36, 37, 38, 39, 40, 00138 1, 2, 3, 4, 5, 6, 7, 8, 00139 9, 10, 11, 12, 13, 14, 15, 16, 00140 17, 18, 1, 2, 3, 4, 5, 1, 00141 2, 3, 4, 1, 2, 3, 1, 2, 00142 3, 1, 2, 3, 1, 2, 1, 2, 00143 1, 2, 1, 2, 1, 2, 1, 2, 00144 1, 2, 1, 2, 1, 2, 1, 2, 00145 1, 1, 1, 1, 1, 1, 1, 1, 00146 1, 1, 1, 1, 1, 1, 1, 00147 }; 00148 00149 static const int8_t mpeg1_run[111] = { 00150 0, 0, 0, 0, 0, 0, 0, 0, 00151 0, 0, 0, 0, 0, 0, 0, 0, 00152 0, 0, 0, 0, 0, 0, 0, 0, 00153 0, 0, 0, 0, 0, 0, 0, 0, 00154 0, 0, 0, 0, 0, 0, 0, 0, 00155 1, 1, 1, 1, 1, 1, 1, 1, 00156 1, 1, 1, 1, 1, 1, 1, 1, 00157 1, 1, 2, 2, 2, 2, 2, 3, 00158 3, 3, 3, 4, 4, 4, 5, 5, 00159 5, 6, 6, 6, 7, 7, 8, 8, 00160 9, 9, 10, 10, 11, 11, 12, 12, 00161 13, 13, 14, 14, 15, 15, 16, 16, 00162 17, 18, 19, 20, 21, 22, 23, 24, 00163 25, 26, 27, 28, 29, 30, 31, 00164 }; 00165 00166 RLTable ff_rl_mpeg1 = { 00167 111, 00168 111, 00169 mpeg1_vlc, 00170 mpeg1_run, 00171 mpeg1_level, 00172 }; 00173 00174 RLTable ff_rl_mpeg2 = { 00175 111, 00176 111, 00177 mpeg2_vlc, 00178 mpeg1_run, 00179 mpeg1_level, 00180 }; 00181 00182 const uint8_t ff_mpeg12_mbAddrIncrTable[36][2] = { 00183 {0x1, 1}, 00184 {0x3, 3}, 00185 {0x2, 3}, 00186 {0x3, 4}, 00187 {0x2, 4}, 00188 {0x3, 5}, 00189 {0x2, 5}, 00190 {0x7, 7}, 00191 {0x6, 7}, 00192 {0xb, 8}, 00193 {0xa, 8}, 00194 {0x9, 8}, 00195 {0x8, 8}, 00196 {0x7, 8}, 00197 {0x6, 8}, 00198 {0x17, 10}, 00199 {0x16, 10}, 00200 {0x15, 10}, 00201 {0x14, 10}, 00202 {0x13, 10}, 00203 {0x12, 10}, 00204 {0x23, 11}, 00205 {0x22, 11}, 00206 {0x21, 11}, 00207 {0x20, 11}, 00208 {0x1f, 11}, 00209 {0x1e, 11}, 00210 {0x1d, 11}, 00211 {0x1c, 11}, 00212 {0x1b, 11}, 00213 {0x1a, 11}, 00214 {0x19, 11}, 00215 {0x18, 11}, 00216 {0x8, 11}, /* escape */ 00217 {0xf, 11}, /* stuffing */ 00218 {0x0, 8}, /* end (and 15 more 0 bits should follow) */ 00219 }; 00220 00221 const uint8_t ff_mpeg12_mbPatTable[64][2] = { 00222 {0x1, 9}, 00223 {0xb, 5}, 00224 {0x9, 5}, 00225 {0xd, 6}, 00226 {0xd, 4}, 00227 {0x17, 7}, 00228 {0x13, 7}, 00229 {0x1f, 8}, 00230 {0xc, 4}, 00231 {0x16, 7}, 00232 {0x12, 7}, 00233 {0x1e, 8}, 00234 {0x13, 5}, 00235 {0x1b, 8}, 00236 {0x17, 8}, 00237 {0x13, 8}, 00238 {0xb, 4}, 00239 {0x15, 7}, 00240 {0x11, 7}, 00241 {0x1d, 8}, 00242 {0x11, 5}, 00243 {0x19, 8}, 00244 {0x15, 8}, 00245 {0x11, 8}, 00246 {0xf, 6}, 00247 {0xf, 8}, 00248 {0xd, 8}, 00249 {0x3, 9}, 00250 {0xf, 5}, 00251 {0xb, 8}, 00252 {0x7, 8}, 00253 {0x7, 9}, 00254 {0xa, 4}, 00255 {0x14, 7}, 00256 {0x10, 7}, 00257 {0x1c, 8}, 00258 {0xe, 6}, 00259 {0xe, 8}, 00260 {0xc, 8}, 00261 {0x2, 9}, 00262 {0x10, 5}, 00263 {0x18, 8}, 00264 {0x14, 8}, 00265 {0x10, 8}, 00266 {0xe, 5}, 00267 {0xa, 8}, 00268 {0x6, 8}, 00269 {0x6, 9}, 00270 {0x12, 5}, 00271 {0x1a, 8}, 00272 {0x16, 8}, 00273 {0x12, 8}, 00274 {0xd, 5}, 00275 {0x9, 8}, 00276 {0x5, 8}, 00277 {0x5, 9}, 00278 {0xc, 5}, 00279 {0x8, 8}, 00280 {0x4, 8}, 00281 {0x4, 9}, 00282 {0x7, 3}, 00283 {0xa, 5}, 00284 {0x8, 5}, 00285 {0xc, 6} 00286 }; 00287 00288 const uint8_t ff_mpeg12_mbMotionVectorTable[17][2] = { 00289 { 0x1, 1 }, 00290 { 0x1, 2 }, 00291 { 0x1, 3 }, 00292 { 0x1, 4 }, 00293 { 0x3, 6 }, 00294 { 0x5, 7 }, 00295 { 0x4, 7 }, 00296 { 0x3, 7 }, 00297 { 0xb, 9 }, 00298 { 0xa, 9 }, 00299 { 0x9, 9 }, 00300 { 0x11, 10 }, 00301 { 0x10, 10 }, 00302 { 0xf, 10 }, 00303 { 0xe, 10 }, 00304 { 0xd, 10 }, 00305 { 0xc, 10 }, 00306 }; 00307 00308 const AVRational ff_frame_rate_tab[] = { 00309 { 0, 0}, 00310 {24000, 1001}, 00311 { 24, 1}, 00312 { 25, 1}, 00313 {30000, 1001}, 00314 { 30, 1}, 00315 { 50, 1}, 00316 {60000, 1001}, 00317 { 60, 1}, 00318 // Xing's 15fps: (9) 00319 { 15, 1}, 00320 // libmpeg3's "Unofficial economy rates": (10-13) 00321 { 5, 1}, 00322 { 10, 1}, 00323 { 12, 1}, 00324 { 15, 1}, 00325 { 0, 0}, 00326 }; 00327 00328 const float ff_mpeg1_aspect[16]={ 00329 0.0000, 00330 1.0000, 00331 0.6735, 00332 0.7031, 00333 00334 0.7615, 00335 0.8055, 00336 0.8437, 00337 0.8935, 00338 00339 0.9157, 00340 0.9815, 00341 1.0255, 00342 1.0695, 00343 00344 1.0950, 00345 1.1575, 00346 1.2015, 00347 }; 00348 00349 const AVRational ff_mpeg2_aspect[16]={ 00350 {0,1}, 00351 {1,1}, 00352 {4,3}, 00353 {16,9}, 00354 {221,100}, 00355 {0,1}, 00356 {0,1}, 00357 {0,1}, 00358 {0,1}, 00359 {0,1}, 00360 {0,1}, 00361 {0,1}, 00362 {0,1}, 00363 {0,1}, 00364 {0,1}, 00365 {0,1}, 00366 };