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1 | /* |
2 | * MPEG1/2 tables | |
3 | * copyright (c) 2000,2001 Fabrice Bellard | |
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 | * MPEG1/2 tables. | |
26 | */ | |
27 | ||
28 | #include "mpeg12data.h" | |
29 | ||
30 | const uint16_t ff_mpeg1_default_intra_matrix[256] = { | |
31 | 8, 16, 19, 22, 26, 27, 29, 34, | |
32 | 16, 16, 22, 24, 27, 29, 34, 37, | |
33 | 19, 22, 26, 27, 29, 34, 34, 38, | |
34 | 22, 22, 26, 27, 29, 34, 37, 40, | |
35 | 22, 26, 27, 29, 32, 35, 40, 48, | |
36 | 26, 27, 29, 32, 35, 40, 48, 58, | |
37 | 26, 27, 29, 34, 38, 46, 56, 69, | |
38 | 27, 29, 35, 38, 46, 56, 69, 83 | |
39 | }; | |
40 | ||
41 | const uint16_t ff_mpeg1_default_non_intra_matrix[64] = { | |
42 | 16, 16, 16, 16, 16, 16, 16, 16, | |
43 | 16, 16, 16, 16, 16, 16, 16, 16, | |
44 | 16, 16, 16, 16, 16, 16, 16, 16, | |
45 | 16, 16, 16, 16, 16, 16, 16, 16, | |
46 | 16, 16, 16, 16, 16, 16, 16, 16, | |
47 | 16, 16, 16, 16, 16, 16, 16, 16, | |
48 | 16, 16, 16, 16, 16, 16, 16, 16, | |
49 | 16, 16, 16, 16, 16, 16, 16, 16, | |
50 | }; | |
51 | ||
52 | const uint16_t ff_mpeg12_vlc_dc_lum_code[12] = { | |
53 | 0x4, 0x0, 0x1, 0x5, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x1ff, | |
54 | }; | |
55 | const unsigned char ff_mpeg12_vlc_dc_lum_bits[12] = { | |
56 | 3, 2, 2, 3, 3, 4, 5, 6, 7, 8, 9, 9, | |
57 | }; | |
58 | ||
59 | const uint16_t ff_mpeg12_vlc_dc_chroma_code[12] = { | |
60 | 0x0, 0x1, 0x2, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x3fe, 0x3ff, | |
61 | }; | |
62 | const unsigned char ff_mpeg12_vlc_dc_chroma_bits[12] = { | |
63 | 2, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, | |
64 | }; | |
65 | ||
66 | static const uint16_t mpeg1_vlc[113][2] = { | |
67 | { 0x3, 2 }, { 0x4, 4 }, { 0x5, 5 }, { 0x6, 7 }, | |
68 | { 0x26, 8 }, { 0x21, 8 }, { 0xa, 10 }, { 0x1d, 12 }, | |
69 | { 0x18, 12 }, { 0x13, 12 }, { 0x10, 12 }, { 0x1a, 13 }, | |
70 | { 0x19, 13 }, { 0x18, 13 }, { 0x17, 13 }, { 0x1f, 14 }, | |
71 | { 0x1e, 14 }, { 0x1d, 14 }, { 0x1c, 14 }, { 0x1b, 14 }, | |
72 | { 0x1a, 14 }, { 0x19, 14 }, { 0x18, 14 }, { 0x17, 14 }, | |
73 | { 0x16, 14 }, { 0x15, 14 }, { 0x14, 14 }, { 0x13, 14 }, | |
74 | { 0x12, 14 }, { 0x11, 14 }, { 0x10, 14 }, { 0x18, 15 }, | |
75 | { 0x17, 15 }, { 0x16, 15 }, { 0x15, 15 }, { 0x14, 15 }, | |
76 | { 0x13, 15 }, { 0x12, 15 }, { 0x11, 15 }, { 0x10, 15 }, | |
77 | { 0x3, 3 }, { 0x6, 6 }, { 0x25, 8 }, { 0xc, 10 }, | |
78 | { 0x1b, 12 }, { 0x16, 13 }, { 0x15, 13 }, { 0x1f, 15 }, | |
79 | { 0x1e, 15 }, { 0x1d, 15 }, { 0x1c, 15 }, { 0x1b, 15 }, | |
80 | { 0x1a, 15 }, { 0x19, 15 }, { 0x13, 16 }, { 0x12, 16 }, | |
81 | { 0x11, 16 }, { 0x10, 16 }, { 0x5, 4 }, { 0x4, 7 }, | |
82 | { 0xb, 10 }, { 0x14, 12 }, { 0x14, 13 }, { 0x7, 5 }, | |
83 | { 0x24, 8 }, { 0x1c, 12 }, { 0x13, 13 }, { 0x6, 5 }, | |
84 | { 0xf, 10 }, { 0x12, 12 }, { 0x7, 6 }, { 0x9, 10 }, | |
85 | { 0x12, 13 }, { 0x5, 6 }, { 0x1e, 12 }, { 0x14, 16 }, | |
86 | { 0x4, 6 }, { 0x15, 12 }, { 0x7, 7 }, { 0x11, 12 }, | |
87 | { 0x5, 7 }, { 0x11, 13 }, { 0x27, 8 }, { 0x10, 13 }, | |
88 | { 0x23, 8 }, { 0x1a, 16 }, { 0x22, 8 }, { 0x19, 16 }, | |
89 | { 0x20, 8 }, { 0x18, 16 }, { 0xe, 10 }, { 0x17, 16 }, | |
90 | { 0xd, 10 }, { 0x16, 16 }, { 0x8, 10 }, { 0x15, 16 }, | |
91 | { 0x1f, 12 }, { 0x1a, 12 }, { 0x19, 12 }, { 0x17, 12 }, | |
92 | { 0x16, 12 }, { 0x1f, 13 }, { 0x1e, 13 }, { 0x1d, 13 }, | |
93 | { 0x1c, 13 }, { 0x1b, 13 }, { 0x1f, 16 }, { 0x1e, 16 }, | |
94 | { 0x1d, 16 }, { 0x1c, 16 }, { 0x1b, 16 }, | |
95 | { 0x1, 6 }, /* escape */ | |
96 | { 0x2, 2 }, /* EOB */ | |
97 | }; | |
98 | ||
99 | static const uint16_t mpeg2_vlc[113][2] = { | |
100 | {0x02, 2}, {0x06, 3}, {0x07, 4}, {0x1c, 5}, | |
101 | {0x1d, 5}, {0x05, 6}, {0x04, 6}, {0x7b, 7}, | |
102 | {0x7c, 7}, {0x23, 8}, {0x22, 8}, {0xfa, 8}, | |
103 | {0xfb, 8}, {0xfe, 8}, {0xff, 8}, {0x1f,14}, | |
104 | {0x1e,14}, {0x1d,14}, {0x1c,14}, {0x1b,14}, | |
105 | {0x1a,14}, {0x19,14}, {0x18,14}, {0x17,14}, | |
106 | {0x16,14}, {0x15,14}, {0x14,14}, {0x13,14}, | |
107 | {0x12,14}, {0x11,14}, {0x10,14}, {0x18,15}, | |
108 | {0x17,15}, {0x16,15}, {0x15,15}, {0x14,15}, | |
109 | {0x13,15}, {0x12,15}, {0x11,15}, {0x10,15}, | |
110 | {0x02, 3}, {0x06, 5}, {0x79, 7}, {0x27, 8}, | |
111 | {0x20, 8}, {0x16,13}, {0x15,13}, {0x1f,15}, | |
112 | {0x1e,15}, {0x1d,15}, {0x1c,15}, {0x1b,15}, | |
113 | {0x1a,15}, {0x19,15}, {0x13,16}, {0x12,16}, | |
114 | {0x11,16}, {0x10,16}, {0x05, 5}, {0x07, 7}, | |
115 | {0xfc, 8}, {0x0c,10}, {0x14,13}, {0x07, 5}, | |
116 | {0x26, 8}, {0x1c,12}, {0x13,13}, {0x06, 6}, | |
117 | {0xfd, 8}, {0x12,12}, {0x07, 6}, {0x04, 9}, | |
118 | {0x12,13}, {0x06, 7}, {0x1e,12}, {0x14,16}, | |
119 | {0x04, 7}, {0x15,12}, {0x05, 7}, {0x11,12}, | |
120 | {0x78, 7}, {0x11,13}, {0x7a, 7}, {0x10,13}, | |
121 | {0x21, 8}, {0x1a,16}, {0x25, 8}, {0x19,16}, | |
122 | {0x24, 8}, {0x18,16}, {0x05, 9}, {0x17,16}, | |
123 | {0x07, 9}, {0x16,16}, {0x0d,10}, {0x15,16}, | |
124 | {0x1f,12}, {0x1a,12}, {0x19,12}, {0x17,12}, | |
125 | {0x16,12}, {0x1f,13}, {0x1e,13}, {0x1d,13}, | |
126 | {0x1c,13}, {0x1b,13}, {0x1f,16}, {0x1e,16}, | |
127 | {0x1d,16}, {0x1c,16}, {0x1b,16}, | |
128 | {0x01,6}, /* escape */ | |
129 | {0x06,4}, /* EOB */ | |
130 | }; | |
131 | ||
132 | static const int8_t mpeg1_level[111] = { | |
133 | 1, 2, 3, 4, 5, 6, 7, 8, | |
134 | 9, 10, 11, 12, 13, 14, 15, 16, | |
135 | 17, 18, 19, 20, 21, 22, 23, 24, | |
136 | 25, 26, 27, 28, 29, 30, 31, 32, | |
137 | 33, 34, 35, 36, 37, 38, 39, 40, | |
138 | 1, 2, 3, 4, 5, 6, 7, 8, | |
139 | 9, 10, 11, 12, 13, 14, 15, 16, | |
140 | 17, 18, 1, 2, 3, 4, 5, 1, | |
141 | 2, 3, 4, 1, 2, 3, 1, 2, | |
142 | 3, 1, 2, 3, 1, 2, 1, 2, | |
143 | 1, 2, 1, 2, 1, 2, 1, 2, | |
144 | 1, 2, 1, 2, 1, 2, 1, 2, | |
145 | 1, 1, 1, 1, 1, 1, 1, 1, | |
146 | 1, 1, 1, 1, 1, 1, 1, | |
147 | }; | |
148 | ||
149 | static const int8_t mpeg1_run[111] = { | |
150 | 0, 0, 0, 0, 0, 0, 0, 0, | |
151 | 0, 0, 0, 0, 0, 0, 0, 0, | |
152 | 0, 0, 0, 0, 0, 0, 0, 0, | |
153 | 0, 0, 0, 0, 0, 0, 0, 0, | |
154 | 0, 0, 0, 0, 0, 0, 0, 0, | |
155 | 1, 1, 1, 1, 1, 1, 1, 1, | |
156 | 1, 1, 1, 1, 1, 1, 1, 1, | |
157 | 1, 1, 2, 2, 2, 2, 2, 3, | |
158 | 3, 3, 3, 4, 4, 4, 5, 5, | |
159 | 5, 6, 6, 6, 7, 7, 8, 8, | |
160 | 9, 9, 10, 10, 11, 11, 12, 12, | |
161 | 13, 13, 14, 14, 15, 15, 16, 16, | |
162 | 17, 18, 19, 20, 21, 22, 23, 24, | |
163 | 25, 26, 27, 28, 29, 30, 31, | |
164 | }; | |
165 | ||
166 | RLTable ff_rl_mpeg1 = { | |
167 | 111, | |
168 | 111, | |
169 | mpeg1_vlc, | |
170 | mpeg1_run, | |
171 | mpeg1_level, | |
172 | }; | |
173 | ||
174 | RLTable ff_rl_mpeg2 = { | |
175 | 111, | |
176 | 111, | |
177 | mpeg2_vlc, | |
178 | mpeg1_run, | |
179 | mpeg1_level, | |
180 | }; | |
181 | ||
182 | const uint8_t ff_mpeg12_mbAddrIncrTable[36][2] = { | |
183 | {0x1, 1}, | |
184 | {0x3, 3}, | |
185 | {0x2, 3}, | |
186 | {0x3, 4}, | |
187 | {0x2, 4}, | |
188 | {0x3, 5}, | |
189 | {0x2, 5}, | |
190 | {0x7, 7}, | |
191 | {0x6, 7}, | |
192 | {0xb, 8}, | |
193 | {0xa, 8}, | |
194 | {0x9, 8}, | |
195 | {0x8, 8}, | |
196 | {0x7, 8}, | |
197 | {0x6, 8}, | |
198 | {0x17, 10}, | |
199 | {0x16, 10}, | |
200 | {0x15, 10}, | |
201 | {0x14, 10}, | |
202 | {0x13, 10}, | |
203 | {0x12, 10}, | |
204 | {0x23, 11}, | |
205 | {0x22, 11}, | |
206 | {0x21, 11}, | |
207 | {0x20, 11}, | |
208 | {0x1f, 11}, | |
209 | {0x1e, 11}, | |
210 | {0x1d, 11}, | |
211 | {0x1c, 11}, | |
212 | {0x1b, 11}, | |
213 | {0x1a, 11}, | |
214 | {0x19, 11}, | |
215 | {0x18, 11}, | |
216 | {0x8, 11}, /* escape */ | |
217 | {0xf, 11}, /* stuffing */ | |
218 | {0x0, 8}, /* end (and 15 more 0 bits should follow) */ | |
219 | }; | |
220 | ||
221 | const uint8_t ff_mpeg12_mbPatTable[64][2] = { | |
222 | {0x1, 9}, | |
223 | {0xb, 5}, | |
224 | {0x9, 5}, | |
225 | {0xd, 6}, | |
226 | {0xd, 4}, | |
227 | {0x17, 7}, | |
228 | {0x13, 7}, | |
229 | {0x1f, 8}, | |
230 | {0xc, 4}, | |
231 | {0x16, 7}, | |
232 | {0x12, 7}, | |
233 | {0x1e, 8}, | |
234 | {0x13, 5}, | |
235 | {0x1b, 8}, | |
236 | {0x17, 8}, | |
237 | {0x13, 8}, | |
238 | {0xb, 4}, | |
239 | {0x15, 7}, | |
240 | {0x11, 7}, | |
241 | {0x1d, 8}, | |
242 | {0x11, 5}, | |
243 | {0x19, 8}, | |
244 | {0x15, 8}, | |
245 | {0x11, 8}, | |
246 | {0xf, 6}, | |
247 | {0xf, 8}, | |
248 | {0xd, 8}, | |
249 | {0x3, 9}, | |
250 | {0xf, 5}, | |
251 | {0xb, 8}, | |
252 | {0x7, 8}, | |
253 | {0x7, 9}, | |
254 | {0xa, 4}, | |
255 | {0x14, 7}, | |
256 | {0x10, 7}, | |
257 | {0x1c, 8}, | |
258 | {0xe, 6}, | |
259 | {0xe, 8}, | |
260 | {0xc, 8}, | |
261 | {0x2, 9}, | |
262 | {0x10, 5}, | |
263 | {0x18, 8}, | |
264 | {0x14, 8}, | |
265 | {0x10, 8}, | |
266 | {0xe, 5}, | |
267 | {0xa, 8}, | |
268 | {0x6, 8}, | |
269 | {0x6, 9}, | |
270 | {0x12, 5}, | |
271 | {0x1a, 8}, | |
272 | {0x16, 8}, | |
273 | {0x12, 8}, | |
274 | {0xd, 5}, | |
275 | {0x9, 8}, | |
276 | {0x5, 8}, | |
277 | {0x5, 9}, | |
278 | {0xc, 5}, | |
279 | {0x8, 8}, | |
280 | {0x4, 8}, | |
281 | {0x4, 9}, | |
282 | {0x7, 3}, | |
283 | {0xa, 5}, | |
284 | {0x8, 5}, | |
285 | {0xc, 6} | |
286 | }; | |
287 | ||
288 | const uint8_t ff_mpeg12_mbMotionVectorTable[17][2] = { | |
289 | { 0x1, 1 }, | |
290 | { 0x1, 2 }, | |
291 | { 0x1, 3 }, | |
292 | { 0x1, 4 }, | |
293 | { 0x3, 6 }, | |
294 | { 0x5, 7 }, | |
295 | { 0x4, 7 }, | |
296 | { 0x3, 7 }, | |
297 | { 0xb, 9 }, | |
298 | { 0xa, 9 }, | |
299 | { 0x9, 9 }, | |
300 | { 0x11, 10 }, | |
301 | { 0x10, 10 }, | |
302 | { 0xf, 10 }, | |
303 | { 0xe, 10 }, | |
304 | { 0xd, 10 }, | |
305 | { 0xc, 10 }, | |
306 | }; | |
307 | ||
308 | const AVRational ff_mpeg12_frame_rate_tab[16] = { | |
309 | { 0, 0}, | |
310 | {24000, 1001}, | |
311 | { 24, 1}, | |
312 | { 25, 1}, | |
313 | {30000, 1001}, | |
314 | { 30, 1}, | |
315 | { 50, 1}, | |
316 | {60000, 1001}, | |
317 | { 60, 1}, | |
318 | // Xing's 15fps: (9) | |
319 | { 15, 1}, | |
320 | // libmpeg3's "Unofficial economy rates": (10-13) | |
321 | { 5, 1}, | |
322 | { 10, 1}, | |
323 | { 12, 1}, | |
324 | { 15, 1}, | |
325 | { 0, 0}, | |
326 | }; | |
327 | ||
328 | const AVRational ff_mpeg2_frame_rate_tab[] = { | |
329 | { 1, 1}, | |
330 | { 2, 1}, | |
331 | { 3, 1}, | |
332 | { 4, 1}, | |
333 | { 5, 1}, | |
334 | { 6, 1}, | |
335 | { 8, 1}, | |
336 | { 9, 1}, | |
337 | { 10, 1}, | |
338 | { 12, 1}, | |
339 | { 15, 1}, | |
340 | { 16, 1}, | |
341 | { 18, 1}, | |
342 | { 20, 1}, | |
343 | { 24, 1}, | |
344 | { 25, 1}, | |
345 | { 30, 1}, | |
346 | { 32, 1}, | |
347 | { 36, 1}, | |
348 | { 40, 1}, | |
349 | { 45, 1}, | |
350 | { 48, 1}, | |
351 | { 50, 1}, | |
352 | { 60, 1}, | |
353 | { 72, 1}, | |
354 | { 75, 1}, | |
355 | { 80, 1}, | |
356 | { 90, 1}, | |
357 | { 96, 1}, | |
358 | { 100, 1}, | |
359 | { 120, 1}, | |
360 | { 150, 1}, | |
361 | { 180, 1}, | |
362 | { 200, 1}, | |
363 | { 240, 1}, | |
364 | { 750, 1001}, | |
365 | { 800, 1001}, | |
366 | { 960, 1001}, | |
367 | { 1000, 1001}, | |
368 | { 1200, 1001}, | |
369 | { 1250, 1001}, | |
370 | { 1500, 1001}, | |
371 | { 1600, 1001}, | |
372 | { 1875, 1001}, | |
373 | { 2000, 1001}, | |
374 | { 2400, 1001}, | |
375 | { 2500, 1001}, | |
376 | { 3000, 1001}, | |
377 | { 3750, 1001}, | |
378 | { 4000, 1001}, | |
379 | { 4800, 1001}, | |
380 | { 5000, 1001}, | |
381 | { 6000, 1001}, | |
382 | { 7500, 1001}, | |
383 | { 8000, 1001}, | |
384 | { 10000, 1001}, | |
385 | { 12000, 1001}, | |
386 | { 15000, 1001}, | |
387 | { 20000, 1001}, | |
388 | { 24000, 1001}, | |
389 | { 30000, 1001}, | |
390 | { 60000, 1001}, | |
391 | { 0, 0}, | |
392 | }; | |
393 | ||
394 | const float ff_mpeg1_aspect[16]={ | |
395 | 0.0000, | |
396 | 1.0000, | |
397 | 0.6735, | |
398 | 0.7031, | |
399 | ||
400 | 0.7615, | |
401 | 0.8055, | |
402 | 0.8437, | |
403 | 0.8935, | |
404 | ||
405 | 0.9157, | |
406 | 0.9815, | |
407 | 1.0255, | |
408 | 1.0695, | |
409 | ||
410 | 1.0950, | |
411 | 1.1575, | |
412 | 1.2015, | |
413 | }; | |
414 | ||
415 | const AVRational ff_mpeg2_aspect[16]={ | |
416 | {0,1}, | |
417 | {1,1}, | |
418 | {4,3}, | |
419 | {16,9}, | |
420 | {221,100}, | |
421 | {0,1}, | |
422 | {0,1}, | |
423 | {0,1}, | |
424 | {0,1}, | |
425 | {0,1}, | |
426 | {0,1}, | |
427 | {0,1}, | |
428 | {0,1}, | |
429 | {0,1}, | |
430 | {0,1}, | |
431 | {0,1}, | |
432 | }; |