FFmpeg
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mpeg12data.c
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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#include "mpeg12vlc.h"
30
31const uint16_t ff_mpeg1_default_intra_matrix[256] = {
32 8, 16, 19, 22, 26, 27, 29, 34,
33 16, 16, 22, 24, 27, 29, 34, 37,
34 19, 22, 26, 27, 29, 34, 34, 38,
35 22, 22, 26, 27, 29, 34, 37, 40,
36 22, 26, 27, 29, 32, 35, 40, 48,
37 26, 27, 29, 32, 35, 40, 48, 58,
38 26, 27, 29, 34, 38, 46, 56, 69,
39 27, 29, 35, 38, 46, 56, 69, 83
40};
41
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 16, 16, 16, 16, 16, 16, 16, 16,
51};
52
53const uint16_t ff_mpeg12_vlc_dc_lum_code[12] = {
54 0x4, 0x0, 0x1, 0x5, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x1ff,
55};
56const unsigned char ff_mpeg12_vlc_dc_lum_bits[12] = {
57 3, 2, 2, 3, 3, 4, 5, 6, 7, 8, 9, 9,
58};
59
60const uint16_t ff_mpeg12_vlc_dc_chroma_code[12] = {
61 0x0, 0x1, 0x2, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x3fe, 0x3ff,
62};
63const unsigned char ff_mpeg12_vlc_dc_chroma_bits[12] = {
64 2, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10,
65};
66
67const uint16_t ff_mpeg1_vlc_table[MPEG12_RL_NB_ELEMS + 2][2] = {
68 { 0x3, 2 }, { 0x4, 4 }, { 0x5, 5 }, { 0x6, 7 },
69 { 0x26, 8 }, { 0x21, 8 }, { 0xa, 10 }, { 0x1d, 12 },
70 { 0x18, 12 }, { 0x13, 12 }, { 0x10, 12 }, { 0x1a, 13 },
71 { 0x19, 13 }, { 0x18, 13 }, { 0x17, 13 }, { 0x1f, 14 },
72 { 0x1e, 14 }, { 0x1d, 14 }, { 0x1c, 14 }, { 0x1b, 14 },
73 { 0x1a, 14 }, { 0x19, 14 }, { 0x18, 14 }, { 0x17, 14 },
74 { 0x16, 14 }, { 0x15, 14 }, { 0x14, 14 }, { 0x13, 14 },
75 { 0x12, 14 }, { 0x11, 14 }, { 0x10, 14 }, { 0x18, 15 },
76 { 0x17, 15 }, { 0x16, 15 }, { 0x15, 15 }, { 0x14, 15 },
77 { 0x13, 15 }, { 0x12, 15 }, { 0x11, 15 }, { 0x10, 15 },
78 { 0x3, 3 }, { 0x6, 6 }, { 0x25, 8 }, { 0xc, 10 },
79 { 0x1b, 12 }, { 0x16, 13 }, { 0x15, 13 }, { 0x1f, 15 },
80 { 0x1e, 15 }, { 0x1d, 15 }, { 0x1c, 15 }, { 0x1b, 15 },
81 { 0x1a, 15 }, { 0x19, 15 }, { 0x13, 16 }, { 0x12, 16 },
82 { 0x11, 16 }, { 0x10, 16 }, { 0x5, 4 }, { 0x4, 7 },
83 { 0xb, 10 }, { 0x14, 12 }, { 0x14, 13 }, { 0x7, 5 },
84 { 0x24, 8 }, { 0x1c, 12 }, { 0x13, 13 }, { 0x6, 5 },
85 { 0xf, 10 }, { 0x12, 12 }, { 0x7, 6 }, { 0x9, 10 },
86 { 0x12, 13 }, { 0x5, 6 }, { 0x1e, 12 }, { 0x14, 16 },
87 { 0x4, 6 }, { 0x15, 12 }, { 0x7, 7 }, { 0x11, 12 },
88 { 0x5, 7 }, { 0x11, 13 }, { 0x27, 8 }, { 0x10, 13 },
89 { 0x23, 8 }, { 0x1a, 16 }, { 0x22, 8 }, { 0x19, 16 },
90 { 0x20, 8 }, { 0x18, 16 }, { 0xe, 10 }, { 0x17, 16 },
91 { 0xd, 10 }, { 0x16, 16 }, { 0x8, 10 }, { 0x15, 16 },
92 { 0x1f, 12 }, { 0x1a, 12 }, { 0x19, 12 }, { 0x17, 12 },
93 { 0x16, 12 }, { 0x1f, 13 }, { 0x1e, 13 }, { 0x1d, 13 },
94 { 0x1c, 13 }, { 0x1b, 13 }, { 0x1f, 16 }, { 0x1e, 16 },
95 { 0x1d, 16 }, { 0x1c, 16 }, { 0x1b, 16 },
96 { 0x1, 6 }, /* escape */
97 { 0x2, 2 }, /* EOB */
98};
99
100const uint16_t ff_mpeg2_vlc_table[MPEG12_RL_NB_ELEMS + 2][2] = {
101 {0x02, 2}, {0x06, 3}, {0x07, 4}, {0x1c, 5},
102 {0x1d, 5}, {0x05, 6}, {0x04, 6}, {0x7b, 7},
103 {0x7c, 7}, {0x23, 8}, {0x22, 8}, {0xfa, 8},
104 {0xfb, 8}, {0xfe, 8}, {0xff, 8}, {0x1f,14},
105 {0x1e,14}, {0x1d,14}, {0x1c,14}, {0x1b,14},
106 {0x1a,14}, {0x19,14}, {0x18,14}, {0x17,14},
107 {0x16,14}, {0x15,14}, {0x14,14}, {0x13,14},
108 {0x12,14}, {0x11,14}, {0x10,14}, {0x18,15},
109 {0x17,15}, {0x16,15}, {0x15,15}, {0x14,15},
110 {0x13,15}, {0x12,15}, {0x11,15}, {0x10,15},
111 {0x02, 3}, {0x06, 5}, {0x79, 7}, {0x27, 8},
112 {0x20, 8}, {0x16,13}, {0x15,13}, {0x1f,15},
113 {0x1e,15}, {0x1d,15}, {0x1c,15}, {0x1b,15},
114 {0x1a,15}, {0x19,15}, {0x13,16}, {0x12,16},
115 {0x11,16}, {0x10,16}, {0x05, 5}, {0x07, 7},
116 {0xfc, 8}, {0x0c,10}, {0x14,13}, {0x07, 5},
117 {0x26, 8}, {0x1c,12}, {0x13,13}, {0x06, 6},
118 {0xfd, 8}, {0x12,12}, {0x07, 6}, {0x04, 9},
119 {0x12,13}, {0x06, 7}, {0x1e,12}, {0x14,16},
120 {0x04, 7}, {0x15,12}, {0x05, 7}, {0x11,12},
121 {0x78, 7}, {0x11,13}, {0x7a, 7}, {0x10,13},
122 {0x21, 8}, {0x1a,16}, {0x25, 8}, {0x19,16},
123 {0x24, 8}, {0x18,16}, {0x05, 9}, {0x17,16},
124 {0x07, 9}, {0x16,16}, {0x0d,10}, {0x15,16},
125 {0x1f,12}, {0x1a,12}, {0x19,12}, {0x17,12},
126 {0x16,12}, {0x1f,13}, {0x1e,13}, {0x1d,13},
127 {0x1c,13}, {0x1b,13}, {0x1f,16}, {0x1e,16},
128 {0x1d,16}, {0x1c,16}, {0x1b,16},
129 {0x01,6}, /* escape */
130 {0x06,4}, /* EOB */
131};
132
134 1, 2, 3, 4, 5, 6, 7, 8,
135 9, 10, 11, 12, 13, 14, 15, 16,
136 17, 18, 19, 20, 21, 22, 23, 24,
137 25, 26, 27, 28, 29, 30, 31, 32,
138 33, 34, 35, 36, 37, 38, 39, 40,
139 1, 2, 3, 4, 5, 6, 7, 8,
140 9, 10, 11, 12, 13, 14, 15, 16,
141 17, 18, 1, 2, 3, 4, 5, 1,
142 2, 3, 4, 1, 2, 3, 1, 2,
143 3, 1, 2, 3, 1, 2, 1, 2,
144 1, 2, 1, 2, 1, 2, 1, 2,
145 1, 2, 1, 2, 1, 2, 1, 2,
146 1, 1, 1, 1, 1, 1, 1, 1,
147 1, 1, 1, 1, 1, 1, 1,
148};
149
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 0, 0, 0, 0, 0, 0, 0, 0,
156 1, 1, 1, 1, 1, 1, 1, 1,
157 1, 1, 1, 1, 1, 1, 1, 1,
158 1, 1, 2, 2, 2, 2, 2, 3,
159 3, 3, 3, 4, 4, 4, 5, 5,
160 5, 6, 6, 6, 7, 7, 8, 8,
161 9, 9, 10, 10, 11, 11, 12, 12,
162 13, 13, 14, 14, 15, 15, 16, 16,
163 17, 18, 19, 20, 21, 22, 23, 24,
164 25, 26, 27, 28, 29, 30, 31,
165};
166
167const uint8_t ff_mpeg12_mbAddrIncrTable[36][2] = {
168 {0x1, 1},
169 {0x3, 3},
170 {0x2, 3},
171 {0x3, 4},
172 {0x2, 4},
173 {0x3, 5},
174 {0x2, 5},
175 {0x7, 7},
176 {0x6, 7},
177 {0xb, 8},
178 {0xa, 8},
179 {0x9, 8},
180 {0x8, 8},
181 {0x7, 8},
182 {0x6, 8},
183 {0x17, 10},
184 {0x16, 10},
185 {0x15, 10},
186 {0x14, 10},
187 {0x13, 10},
188 {0x12, 10},
189 {0x23, 11},
190 {0x22, 11},
191 {0x21, 11},
192 {0x20, 11},
193 {0x1f, 11},
194 {0x1e, 11},
195 {0x1d, 11},
196 {0x1c, 11},
197 {0x1b, 11},
198 {0x1a, 11},
199 {0x19, 11},
200 {0x18, 11},
201 {0x8, 11}, /* escape */
202 {0xf, 11}, /* stuffing */
203 {0x0, 8}, /* end (and 15 more 0 bits should follow) */
204};
205
206const uint8_t ff_mpeg12_mbPatTable[64][2] = {
207 {0x1, 9},
208 {0xb, 5},
209 {0x9, 5},
210 {0xd, 6},
211 {0xd, 4},
212 {0x17, 7},
213 {0x13, 7},
214 {0x1f, 8},
215 {0xc, 4},
216 {0x16, 7},
217 {0x12, 7},
218 {0x1e, 8},
219 {0x13, 5},
220 {0x1b, 8},
221 {0x17, 8},
222 {0x13, 8},
223 {0xb, 4},
224 {0x15, 7},
225 {0x11, 7},
226 {0x1d, 8},
227 {0x11, 5},
228 {0x19, 8},
229 {0x15, 8},
230 {0x11, 8},
231 {0xf, 6},
232 {0xf, 8},
233 {0xd, 8},
234 {0x3, 9},
235 {0xf, 5},
236 {0xb, 8},
237 {0x7, 8},
238 {0x7, 9},
239 {0xa, 4},
240 {0x14, 7},
241 {0x10, 7},
242 {0x1c, 8},
243 {0xe, 6},
244 {0xe, 8},
245 {0xc, 8},
246 {0x2, 9},
247 {0x10, 5},
248 {0x18, 8},
249 {0x14, 8},
250 {0x10, 8},
251 {0xe, 5},
252 {0xa, 8},
253 {0x6, 8},
254 {0x6, 9},
255 {0x12, 5},
256 {0x1a, 8},
257 {0x16, 8},
258 {0x12, 8},
259 {0xd, 5},
260 {0x9, 8},
261 {0x5, 8},
262 {0x5, 9},
263 {0xc, 5},
264 {0x8, 8},
265 {0x4, 8},
266 {0x4, 9},
267 {0x7, 3},
268 {0xa, 5},
269 {0x8, 5},
270 {0xc, 6}
271};
272
273const uint8_t ff_mpeg12_mbMotionVectorTable[17][2] = {
274{ 0x1, 1 },
275{ 0x1, 2 },
276{ 0x1, 3 },
277{ 0x1, 4 },
278{ 0x3, 6 },
279{ 0x5, 7 },
280{ 0x4, 7 },
281{ 0x3, 7 },
282{ 0xb, 9 },
283{ 0xa, 9 },
284{ 0x9, 9 },
285{ 0x11, 10 },
286{ 0x10, 10 },
287{ 0xf, 10 },
288{ 0xe, 10 },
289{ 0xd, 10 },
290{ 0xc, 10 },
291};
292
294 { 1, 1},
295 { 2, 1},
296 { 3, 1},
297 { 4, 1},
298 { 5, 1},
299 { 6, 1},
300 { 8, 1},
301 { 9, 1},
302 { 10, 1},
303 { 12, 1},
304 { 15, 1},
305 { 16, 1},
306 { 18, 1},
307 { 20, 1},
308 { 24, 1},
309 { 25, 1},
310 { 30, 1},
311 { 32, 1},
312 { 36, 1},
313 { 40, 1},
314 { 45, 1},
315 { 48, 1},
316 { 50, 1},
317 { 60, 1},
318 { 72, 1},
319 { 75, 1},
320 { 80, 1},
321 { 90, 1},
322 { 96, 1},
323 { 100, 1},
324 { 120, 1},
325 { 150, 1},
326 { 180, 1},
327 { 200, 1},
328 { 240, 1},
329 { 750, 1001},
330 { 800, 1001},
331 { 960, 1001},
332 { 1000, 1001},
333 { 1200, 1001},
334 { 1250, 1001},
335 { 1500, 1001},
336 { 1600, 1001},
337 { 1875, 1001},
338 { 2000, 1001},
339 { 2400, 1001},
340 { 2500, 1001},
341 { 3000, 1001},
342 { 3750, 1001},
343 { 4000, 1001},
344 { 4800, 1001},
345 { 5000, 1001},
346 { 6000, 1001},
347 { 7500, 1001},
348 { 8000, 1001},
349 { 10000, 1001},
350 { 12000, 1001},
351 { 15000, 1001},
352 { 20000, 1001},
353 { 24000, 1001},
354 { 30000, 1001},
355 { 60000, 1001},
356 { 0, 0},
357};
358
359const float ff_mpeg1_aspect[16]={
360 0.0000,
361 1.0000,
362 0.6735,
363 0.7031,
364
365 0.7615,
366 0.8055,
367 0.8437,
368 0.8935,
369
370 0.9157,
371 0.9815,
372 1.0255,
373 1.0695,
374
375 1.0950,
376 1.1575,
377 1.2015,
378};
379
381 {0,1},
382 {1,1},
383 {4,3},
384 {16,9},
385 {221,100},
386 {0,1},
387 {0,1},
388 {0,1},
389 {0,1},
390 {0,1},
391 {0,1},
392 {0,1},
393 {0,1},
394 {0,1},
395 {0,1},
396 {0,1},
397};
const uint16_t ff_mpeg12_vlc_dc_chroma_code[12]
Definition mpeg12data.c:60
const uint8_t ff_mpeg12_mbPatTable[64][2]
Definition mpeg12data.c:206
const uint16_t ff_mpeg1_default_intra_matrix[256]
Definition mpeg12data.c:31
const int8_t ff_mpeg12_level[MPEG12_RL_NB_ELEMS]
Definition mpeg12data.c:133
const uint8_t ff_mpeg12_mbAddrIncrTable[36][2]
Definition mpeg12data.c:167
const uint16_t ff_mpeg12_vlc_dc_lum_code[12]
Definition mpeg12data.c:53
const float ff_mpeg1_aspect[16]
Definition mpeg12data.c:359
const uint16_t ff_mpeg1_default_non_intra_matrix[64]
Definition mpeg12data.c:42
const int8_t ff_mpeg12_run[MPEG12_RL_NB_ELEMS]
Definition mpeg12data.c:150
const uint8_t ff_mpeg12_mbMotionVectorTable[17][2]
Definition mpeg12data.c:273
const AVRational ff_mpeg2_aspect[16]
Definition mpeg12data.c:380
const unsigned char ff_mpeg12_vlc_dc_chroma_bits[12]
Definition mpeg12data.c:63
const AVRational ff_mpeg2_frame_rate_tab[]
Definition mpeg12data.c:293
const uint16_t ff_mpeg1_vlc_table[MPEG12_RL_NB_ELEMS+2][2]
Definition mpeg12data.c:67
const unsigned char ff_mpeg12_vlc_dc_lum_bits[12]
Definition mpeg12data.c:56
const uint16_t ff_mpeg2_vlc_table[MPEG12_RL_NB_ELEMS+2][2]
Definition mpeg12data.c:100
MPEG-1/2 tables.
MPEG-1/2 VLC.
#define MPEG12_RL_NB_ELEMS
Definition mpeg12vlc.h:52
Rational number (pair of numerator and denominator).
Definition rational.h:58