blob: 4da96d7da3f27f4b08b4c28d4389565fa83fd82d
1 | /* |
2 | * MPEG-1/2 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 | * MPEG-1/2 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_mpeg2_frame_rate_tab[] = { |
309 | { 1, 1}, |
310 | { 2, 1}, |
311 | { 3, 1}, |
312 | { 4, 1}, |
313 | { 5, 1}, |
314 | { 6, 1}, |
315 | { 8, 1}, |
316 | { 9, 1}, |
317 | { 10, 1}, |
318 | { 12, 1}, |
319 | { 15, 1}, |
320 | { 16, 1}, |
321 | { 18, 1}, |
322 | { 20, 1}, |
323 | { 24, 1}, |
324 | { 25, 1}, |
325 | { 30, 1}, |
326 | { 32, 1}, |
327 | { 36, 1}, |
328 | { 40, 1}, |
329 | { 45, 1}, |
330 | { 48, 1}, |
331 | { 50, 1}, |
332 | { 60, 1}, |
333 | { 72, 1}, |
334 | { 75, 1}, |
335 | { 80, 1}, |
336 | { 90, 1}, |
337 | { 96, 1}, |
338 | { 100, 1}, |
339 | { 120, 1}, |
340 | { 150, 1}, |
341 | { 180, 1}, |
342 | { 200, 1}, |
343 | { 240, 1}, |
344 | { 750, 1001}, |
345 | { 800, 1001}, |
346 | { 960, 1001}, |
347 | { 1000, 1001}, |
348 | { 1200, 1001}, |
349 | { 1250, 1001}, |
350 | { 1500, 1001}, |
351 | { 1600, 1001}, |
352 | { 1875, 1001}, |
353 | { 2000, 1001}, |
354 | { 2400, 1001}, |
355 | { 2500, 1001}, |
356 | { 3000, 1001}, |
357 | { 3750, 1001}, |
358 | { 4000, 1001}, |
359 | { 4800, 1001}, |
360 | { 5000, 1001}, |
361 | { 6000, 1001}, |
362 | { 7500, 1001}, |
363 | { 8000, 1001}, |
364 | { 10000, 1001}, |
365 | { 12000, 1001}, |
366 | { 15000, 1001}, |
367 | { 20000, 1001}, |
368 | { 24000, 1001}, |
369 | { 30000, 1001}, |
370 | { 60000, 1001}, |
371 | { 0, 0}, |
372 | }; |
373 | |
374 | const float ff_mpeg1_aspect[16]={ |
375 | 0.0000, |
376 | 1.0000, |
377 | 0.6735, |
378 | 0.7031, |
379 | |
380 | 0.7615, |
381 | 0.8055, |
382 | 0.8437, |
383 | 0.8935, |
384 | |
385 | 0.9157, |
386 | 0.9815, |
387 | 1.0255, |
388 | 1.0695, |
389 | |
390 | 1.0950, |
391 | 1.1575, |
392 | 1.2015, |
393 | }; |
394 | |
395 | const AVRational ff_mpeg2_aspect[16]={ |
396 | {0,1}, |
397 | {1,1}, |
398 | {4,3}, |
399 | {16,9}, |
400 | {221,100}, |
401 | {0,1}, |
402 | {0,1}, |
403 | {0,1}, |
404 | {0,1}, |
405 | {0,1}, |
406 | {0,1}, |
407 | {0,1}, |
408 | {0,1}, |
409 | {0,1}, |
410 | {0,1}, |
411 | {0,1}, |
412 | }; |
413 |