AVRational
[libav.git] / libavcodec / mpeg12data.h
1 /**
2 * @file mpeg12data.h
3 * MPEG1/2 tables.
4 */
5
6 const int16_t ff_mpeg1_default_intra_matrix[64] = {
7 8, 16, 19, 22, 26, 27, 29, 34,
8 16, 16, 22, 24, 27, 29, 34, 37,
9 19, 22, 26, 27, 29, 34, 34, 38,
10 22, 22, 26, 27, 29, 34, 37, 40,
11 22, 26, 27, 29, 32, 35, 40, 48,
12 26, 27, 29, 32, 35, 40, 48, 58,
13 26, 27, 29, 34, 38, 46, 56, 69,
14 27, 29, 35, 38, 46, 56, 69, 83
15 };
16
17 const int16_t ff_mpeg1_default_non_intra_matrix[64] = {
18 16, 16, 16, 16, 16, 16, 16, 16,
19 16, 16, 16, 16, 16, 16, 16, 16,
20 16, 16, 16, 16, 16, 16, 16, 16,
21 16, 16, 16, 16, 16, 16, 16, 16,
22 16, 16, 16, 16, 16, 16, 16, 16,
23 16, 16, 16, 16, 16, 16, 16, 16,
24 16, 16, 16, 16, 16, 16, 16, 16,
25 16, 16, 16, 16, 16, 16, 16, 16,
26 };
27
28 static const unsigned char vlc_dc_table[256] = {
29 0, 1, 2, 2,
30 3, 3, 3, 3,
31 4, 4, 4, 4, 4, 4, 4, 4,
32 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
33 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
34 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
35
36 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
37 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
38 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
39 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
40
41 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
42 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
43 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
44 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
45 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
46 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
47 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
48 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
49 };
50
51 static const uint16_t vlc_dc_lum_code[12] = {
52 0x4, 0x0, 0x1, 0x5, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x1ff,
53 };
54 static const unsigned char vlc_dc_lum_bits[12] = {
55 3, 2, 2, 3, 3, 4, 5, 6, 7, 8, 9, 9,
56 };
57
58 const uint16_t vlc_dc_chroma_code[12] = {
59 0x0, 0x1, 0x2, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x3fe, 0x3ff,
60 };
61 const unsigned char vlc_dc_chroma_bits[12] = {
62 2, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10,
63 };
64
65 static const uint16_t mpeg1_vlc[113][2] = {
66 { 0x3, 2 }, { 0x4, 4 }, { 0x5, 5 }, { 0x6, 7 },
67 { 0x26, 8 }, { 0x21, 8 }, { 0xa, 10 }, { 0x1d, 12 },
68 { 0x18, 12 }, { 0x13, 12 }, { 0x10, 12 }, { 0x1a, 13 },
69 { 0x19, 13 }, { 0x18, 13 }, { 0x17, 13 }, { 0x1f, 14 },
70 { 0x1e, 14 }, { 0x1d, 14 }, { 0x1c, 14 }, { 0x1b, 14 },
71 { 0x1a, 14 }, { 0x19, 14 }, { 0x18, 14 }, { 0x17, 14 },
72 { 0x16, 14 }, { 0x15, 14 }, { 0x14, 14 }, { 0x13, 14 },
73 { 0x12, 14 }, { 0x11, 14 }, { 0x10, 14 }, { 0x18, 15 },
74 { 0x17, 15 }, { 0x16, 15 }, { 0x15, 15 }, { 0x14, 15 },
75 { 0x13, 15 }, { 0x12, 15 }, { 0x11, 15 }, { 0x10, 15 },
76 { 0x3, 3 }, { 0x6, 6 }, { 0x25, 8 }, { 0xc, 10 },
77 { 0x1b, 12 }, { 0x16, 13 }, { 0x15, 13 }, { 0x1f, 15 },
78 { 0x1e, 15 }, { 0x1d, 15 }, { 0x1c, 15 }, { 0x1b, 15 },
79 { 0x1a, 15 }, { 0x19, 15 }, { 0x13, 16 }, { 0x12, 16 },
80 { 0x11, 16 }, { 0x10, 16 }, { 0x5, 4 }, { 0x4, 7 },
81 { 0xb, 10 }, { 0x14, 12 }, { 0x14, 13 }, { 0x7, 5 },
82 { 0x24, 8 }, { 0x1c, 12 }, { 0x13, 13 }, { 0x6, 5 },
83 { 0xf, 10 }, { 0x12, 12 }, { 0x7, 6 }, { 0x9, 10 },
84 { 0x12, 13 }, { 0x5, 6 }, { 0x1e, 12 }, { 0x14, 16 },
85 { 0x4, 6 }, { 0x15, 12 }, { 0x7, 7 }, { 0x11, 12 },
86 { 0x5, 7 }, { 0x11, 13 }, { 0x27, 8 }, { 0x10, 13 },
87 { 0x23, 8 }, { 0x1a, 16 }, { 0x22, 8 }, { 0x19, 16 },
88 { 0x20, 8 }, { 0x18, 16 }, { 0xe, 10 }, { 0x17, 16 },
89 { 0xd, 10 }, { 0x16, 16 }, { 0x8, 10 }, { 0x15, 16 },
90 { 0x1f, 12 }, { 0x1a, 12 }, { 0x19, 12 }, { 0x17, 12 },
91 { 0x16, 12 }, { 0x1f, 13 }, { 0x1e, 13 }, { 0x1d, 13 },
92 { 0x1c, 13 }, { 0x1b, 13 }, { 0x1f, 16 }, { 0x1e, 16 },
93 { 0x1d, 16 }, { 0x1c, 16 }, { 0x1b, 16 },
94 { 0x1, 6 }, /* escape */
95 { 0x2, 2 }, /* EOB */
96 };
97
98 static const uint16_t mpeg2_vlc[113][2] = {
99 {0x02, 2}, {0x06, 3}, {0x07, 4}, {0x1c, 5},
100 {0x1d, 5}, {0x05, 6}, {0x04, 6}, {0x7b, 7},
101 {0x7c, 7}, {0x23, 8}, {0x22, 8}, {0xfa, 8},
102 {0xfb, 8}, {0xfe, 8}, {0xff, 8}, {0x1f,14},
103 {0x1e,14}, {0x1d,14}, {0x1c,14}, {0x1b,14},
104 {0x1a,14}, {0x19,14}, {0x18,14}, {0x17,14},
105 {0x16,14}, {0x15,14}, {0x14,14}, {0x13,14},
106 {0x12,14}, {0x11,14}, {0x10,14}, {0x18,15},
107 {0x17,15}, {0x16,15}, {0x15,15}, {0x14,15},
108 {0x13,15}, {0x12,15}, {0x11,15}, {0x10,15},
109 {0x02, 3}, {0x06, 5}, {0x79, 7}, {0x27, 8},
110 {0x20, 8}, {0x16,13}, {0x15,13}, {0x1f,15},
111 {0x1e,15}, {0x1d,15}, {0x1c,15}, {0x1b,15},
112 {0x1a,15}, {0x19,15}, {0x13,16}, {0x12,16},
113 {0x11,16}, {0x10,16}, {0x05, 5}, {0x07, 7},
114 {0xfc, 8}, {0x0c,10}, {0x14,13}, {0x07, 5},
115 {0x26, 8}, {0x1c,12}, {0x13,13}, {0x06, 6},
116 {0xfd, 8}, {0x12,12}, {0x07, 6}, {0x04, 9},
117 {0x12,13}, {0x06, 7}, {0x1e,12}, {0x14,16},
118 {0x04, 7}, {0x15,12}, {0x05, 7}, {0x11,12},
119 {0x78, 7}, {0x11,13}, {0x7a, 7}, {0x10,13},
120 {0x21, 8}, {0x1a,16}, {0x25, 8}, {0x19,16},
121 {0x24, 8}, {0x18,16}, {0x05, 9}, {0x17,16},
122 {0x07, 9}, {0x16,16}, {0x0d,10}, {0x15,16},
123 {0x1f,12}, {0x1a,12}, {0x19,12}, {0x17,12},
124 {0x16,12}, {0x1f,13}, {0x1e,13}, {0x1d,13},
125 {0x1c,13}, {0x1b,13}, {0x1f,16}, {0x1e,16},
126 {0x1d,16}, {0x1c,16}, {0x1b,16},
127 {0x01,6}, /* escape */
128 {0x06,4}, /* EOB */
129 };
130
131 static const int8_t mpeg1_level[111] = {
132 1, 2, 3, 4, 5, 6, 7, 8,
133 9, 10, 11, 12, 13, 14, 15, 16,
134 17, 18, 19, 20, 21, 22, 23, 24,
135 25, 26, 27, 28, 29, 30, 31, 32,
136 33, 34, 35, 36, 37, 38, 39, 40,
137 1, 2, 3, 4, 5, 6, 7, 8,
138 9, 10, 11, 12, 13, 14, 15, 16,
139 17, 18, 1, 2, 3, 4, 5, 1,
140 2, 3, 4, 1, 2, 3, 1, 2,
141 3, 1, 2, 3, 1, 2, 1, 2,
142 1, 2, 1, 2, 1, 2, 1, 2,
143 1, 2, 1, 2, 1, 2, 1, 2,
144 1, 1, 1, 1, 1, 1, 1, 1,
145 1, 1, 1, 1, 1, 1, 1,
146 };
147
148 static const int8_t mpeg1_run[111] = {
149 0, 0, 0, 0, 0, 0, 0, 0,
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 1, 1, 1, 1, 1, 1, 1, 1,
155 1, 1, 1, 1, 1, 1, 1, 1,
156 1, 1, 2, 2, 2, 2, 2, 3,
157 3, 3, 3, 4, 4, 4, 5, 5,
158 5, 6, 6, 6, 7, 7, 8, 8,
159 9, 9, 10, 10, 11, 11, 12, 12,
160 13, 13, 14, 14, 15, 15, 16, 16,
161 17, 18, 19, 20, 21, 22, 23, 24,
162 25, 26, 27, 28, 29, 30, 31,
163 };
164
165 static RLTable rl_mpeg1 = {
166 111,
167 111,
168 mpeg1_vlc,
169 mpeg1_run,
170 mpeg1_level,
171 };
172
173 static RLTable rl_mpeg2 = {
174 111,
175 111,
176 mpeg2_vlc,
177 mpeg1_run,
178 mpeg1_level,
179 };
180
181 static const uint8_t mbAddrIncrTable[36][2] = {
182 {0x1, 1},
183 {0x3, 3},
184 {0x2, 3},
185 {0x3, 4},
186 {0x2, 4},
187 {0x3, 5},
188 {0x2, 5},
189 {0x7, 7},
190 {0x6, 7},
191 {0xb, 8},
192 {0xa, 8},
193 {0x9, 8},
194 {0x8, 8},
195 {0x7, 8},
196 {0x6, 8},
197 {0x17, 10},
198 {0x16, 10},
199 {0x15, 10},
200 {0x14, 10},
201 {0x13, 10},
202 {0x12, 10},
203 {0x23, 11},
204 {0x22, 11},
205 {0x21, 11},
206 {0x20, 11},
207 {0x1f, 11},
208 {0x1e, 11},
209 {0x1d, 11},
210 {0x1c, 11},
211 {0x1b, 11},
212 {0x1a, 11},
213 {0x19, 11},
214 {0x18, 11},
215 {0x8, 11}, /* escape */
216 {0xf, 11}, /* stuffing */
217 {0x0, 8}, /* end (and 15 more 0 bits should follow) */
218 };
219
220 static const uint8_t mbPatTable[63][2] = {
221 {0xb, 5},
222 {0x9, 5},
223 {0xd, 6},
224 {0xd, 4},
225 {0x17, 7},
226 {0x13, 7},
227 {0x1f, 8},
228 {0xc, 4},
229 {0x16, 7},
230 {0x12, 7},
231 {0x1e, 8},
232 {0x13, 5},
233 {0x1b, 8},
234 {0x17, 8},
235 {0x13, 8},
236 {0xb, 4},
237 {0x15, 7},
238 {0x11, 7},
239 {0x1d, 8},
240 {0x11, 5},
241 {0x19, 8},
242 {0x15, 8},
243 {0x11, 8},
244 {0xf, 6},
245 {0xf, 8},
246 {0xd, 8},
247 {0x3, 9},
248 {0xf, 5},
249 {0xb, 8},
250 {0x7, 8},
251 {0x7, 9},
252 {0xa, 4},
253 {0x14, 7},
254 {0x10, 7},
255 {0x1c, 8},
256 {0xe, 6},
257 {0xe, 8},
258 {0xc, 8},
259 {0x2, 9},
260 {0x10, 5},
261 {0x18, 8},
262 {0x14, 8},
263 {0x10, 8},
264 {0xe, 5},
265 {0xa, 8},
266 {0x6, 8},
267 {0x6, 9},
268 {0x12, 5},
269 {0x1a, 8},
270 {0x16, 8},
271 {0x12, 8},
272 {0xd, 5},
273 {0x9, 8},
274 {0x5, 8},
275 {0x5, 9},
276 {0xc, 5},
277 {0x8, 8},
278 {0x4, 8},
279 {0x4, 9},
280 {0x7, 3},
281 {0xa, 5},
282 {0x8, 5},
283 {0xc, 6}
284 };
285
286 #define MB_TYPE_PAT 0x40000000
287 #define MB_TYPE_ZERO_MV 0x20000000
288 #define IS_ZERO_MV(a) ((a)&MB_TYPE_ZERO_MV)
289 #define IS_PAT(a) ((a)&MB_TYPE_PAT)
290
291 static const uint8_t table_mb_ptype[7][2] = {
292 { 3, 5 }, // 0x01 MB_INTRA
293 { 1, 2 }, // 0x02 MB_PAT
294 { 1, 3 }, // 0x08 MB_FOR
295 { 1, 1 }, // 0x0A MB_FOR|MB_PAT
296 { 1, 6 }, // 0x11 MB_QUANT|MB_INTRA
297 { 1, 5 }, // 0x12 MB_QUANT|MB_PAT
298 { 2, 5 }, // 0x1A MB_QUANT|MB_FOR|MB_PAT
299 };
300
301 static const uint32_t ptype2mb_type[7] = {
302 MB_TYPE_INTRA,
303 MB_TYPE_L0 | MB_TYPE_PAT | MB_TYPE_ZERO_MV | MB_TYPE_16x16,
304 MB_TYPE_L0,
305 MB_TYPE_L0 | MB_TYPE_PAT,
306 MB_TYPE_QUANT | MB_TYPE_INTRA,
307 MB_TYPE_QUANT | MB_TYPE_L0 | MB_TYPE_PAT | MB_TYPE_ZERO_MV | MB_TYPE_16x16,
308 MB_TYPE_QUANT | MB_TYPE_L0 | MB_TYPE_PAT,
309 };
310
311 static const uint8_t table_mb_btype[11][2] = {
312 { 3, 5 }, // 0x01 MB_INTRA
313 { 2, 3 }, // 0x04 MB_BACK
314 { 3, 3 }, // 0x06 MB_BACK|MB_PAT
315 { 2, 4 }, // 0x08 MB_FOR
316 { 3, 4 }, // 0x0A MB_FOR|MB_PAT
317 { 2, 2 }, // 0x0C MB_FOR|MB_BACK
318 { 3, 2 }, // 0x0E MB_FOR|MB_BACK|MB_PAT
319 { 1, 6 }, // 0x11 MB_QUANT|MB_INTRA
320 { 2, 6 }, // 0x16 MB_QUANT|MB_BACK|MB_PAT
321 { 3, 6 }, // 0x1A MB_QUANT|MB_FOR|MB_PAT
322 { 2, 5 }, // 0x1E MB_QUANT|MB_FOR|MB_BACK|MB_PAT
323 };
324
325 static const uint32_t btype2mb_type[11] = {
326 MB_TYPE_INTRA,
327 MB_TYPE_L1,
328 MB_TYPE_L1 | MB_TYPE_PAT,
329 MB_TYPE_L0,
330 MB_TYPE_L0 | MB_TYPE_PAT,
331 MB_TYPE_L0L1,
332 MB_TYPE_L0L1 | MB_TYPE_PAT,
333 MB_TYPE_QUANT | MB_TYPE_INTRA,
334 MB_TYPE_QUANT | MB_TYPE_L1 | MB_TYPE_PAT,
335 MB_TYPE_QUANT | MB_TYPE_L0 | MB_TYPE_PAT,
336 MB_TYPE_QUANT | MB_TYPE_L0L1 | MB_TYPE_PAT,
337 };
338
339 static const uint8_t mbMotionVectorTable[17][2] = {
340 { 0x1, 1 },
341 { 0x1, 2 },
342 { 0x1, 3 },
343 { 0x1, 4 },
344 { 0x3, 6 },
345 { 0x5, 7 },
346 { 0x4, 7 },
347 { 0x3, 7 },
348 { 0xb, 9 },
349 { 0xa, 9 },
350 { 0x9, 9 },
351 { 0x11, 10 },
352 { 0x10, 10 },
353 { 0xf, 10 },
354 { 0xe, 10 },
355 { 0xd, 10 },
356 { 0xc, 10 },
357 };
358
359 #define MPEG1_FRAME_RATE_BASE 1001
360
361 static const int frame_rate_tab[16] = {
362 0,
363 24000,
364 24024,
365 25025,
366 30000,
367 30030,
368 50050,
369 60000,
370 60060,
371 // Xing's 15fps: (9)
372 15015,
373 // libmpeg3's "Unofficial economy rates": (10-13)
374 5005,
375 10010,
376 12012,
377 15015,
378 // random, just to avoid segfault !never encode these
379 25025,
380 25025,
381 };
382
383 static const uint8_t non_linear_qscale[32] = {
384 0, 1, 2, 3, 4, 5, 6, 7,
385 8,10,12,14,16,18,20,22,
386 24,28,32,36,40,44,48,52,
387 56,64,72,80,88,96,104,112,
388 };
389
390 uint8_t ff_mpeg1_dc_scale_table[128]={ // MN: mpeg2 really can have such large qscales?
391 // 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
392 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
393 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
394 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
395 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
396 };
397
398 static const float mpeg1_aspect[16]={
399 0.0000,
400 1.0000,
401 0.6735,
402 0.7031,
403
404 0.7615,
405 0.8055,
406 0.8437,
407 0.8935,
408
409 0.9157,
410 0.9815,
411 1.0255,
412 1.0695,
413
414 1.0950,
415 1.1575,
416 1.2015,
417 };
418
419 static const AVRational mpeg2_aspect[16]={
420 {0,1},
421 {1,1},
422 {4,3},
423 {16,9},
424 {221,100},
425 {0,1},
426 {0,1},
427 {0,1},
428 {0,1},
429 {0,1},
430 {0,1},
431 {0,1},
432 {0,1},
433 {0,1},
434 {0,1},
435 {0,1},
436 };
437