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ffmpeg / libavcodec / mpeg12data.h @ 57514323

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1 de6d9b64 Fabrice Bellard
/*
2
 * MPEG1/2 tables
3
 */
4
5 689b775b Fabrice Bellard
INT16 default_intra_matrix[64] = {
6 de6d9b64 Fabrice Bellard
        8, 16, 19, 22, 26, 27, 29, 34,
7
        16, 16, 22, 24, 27, 29, 34, 37,
8
        19, 22, 26, 27, 29, 34, 34, 38,
9
        22, 22, 26, 27, 29, 34, 37, 40,
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        22, 26, 27, 29, 32, 35, 40, 48,
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        26, 27, 29, 32, 35, 40, 48, 58,
12
        26, 27, 29, 34, 38, 46, 56, 69,
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        27, 29, 35, 38, 46, 56, 69, 83
14
};
15
16 689b775b Fabrice Bellard
INT16 default_non_intra_matrix[64] = {
17 de6d9b64 Fabrice Bellard
    16, 16, 16, 16, 16, 16, 16, 16,
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
};
26
27
const unsigned char vlc_dc_table[256] = {
28
    0, 1, 2, 2,
29
    3, 3, 3, 3,
30
    4, 4, 4, 4, 4, 4, 4, 4,
31
    5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
32
    6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
33
    6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
34
35
    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
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
40
    8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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
};
49
50
const UINT16 vlc_dc_lum_code[12] = {
51
    0x4, 0x0, 0x1, 0x5, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x1ff,
52
};
53
const unsigned char vlc_dc_lum_bits[12] = {
54
    3, 2, 2, 3, 3, 4, 5, 6, 7, 8, 9, 9,
55
};
56
57
const UINT16 vlc_dc_chroma_code[12] = {
58
    0x0, 0x1, 0x2, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x3fe, 0x3ff,
59
};
60
const unsigned char vlc_dc_chroma_bits[12] = {
61
    2, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10,
62
};
63
64 f004ca1c Michael Niedermayer
/* simple include everything table for dc, first byte is bits number next 3 are code*/
65
static UINT32 mpeg1_lum_dc_uni[512];
66
static UINT32 mpeg1_chr_dc_uni[512];
67
68 de6d9b64 Fabrice Bellard
static const UINT16 mpeg1_vlc[113][2] = {
69
 { 0x3, 2 }, { 0x4, 4 }, { 0x5, 5 }, { 0x6, 7 },
70
 { 0x26, 8 }, { 0x21, 8 }, { 0xa, 10 }, { 0x1d, 12 },
71
 { 0x18, 12 }, { 0x13, 12 }, { 0x10, 12 }, { 0x1a, 13 },
72
 { 0x19, 13 }, { 0x18, 13 }, { 0x17, 13 }, { 0x1f, 14 },
73
 { 0x1e, 14 }, { 0x1d, 14 }, { 0x1c, 14 }, { 0x1b, 14 },
74
 { 0x1a, 14 }, { 0x19, 14 }, { 0x18, 14 }, { 0x17, 14 },
75
 { 0x16, 14 }, { 0x15, 14 }, { 0x14, 14 }, { 0x13, 14 },
76
 { 0x12, 14 }, { 0x11, 14 }, { 0x10, 14 }, { 0x18, 15 },
77
 { 0x17, 15 }, { 0x16, 15 }, { 0x15, 15 }, { 0x14, 15 },
78
 { 0x13, 15 }, { 0x12, 15 }, { 0x11, 15 }, { 0x10, 15 },
79
 { 0x3, 3 }, { 0x6, 6 }, { 0x25, 8 }, { 0xc, 10 },
80
 { 0x1b, 12 }, { 0x16, 13 }, { 0x15, 13 }, { 0x1f, 15 },
81
 { 0x1e, 15 }, { 0x1d, 15 }, { 0x1c, 15 }, { 0x1b, 15 },
82
 { 0x1a, 15 }, { 0x19, 15 }, { 0x13, 16 }, { 0x12, 16 },
83
 { 0x11, 16 }, { 0x10, 16 }, { 0x5, 4 }, { 0x4, 7 },
84
 { 0xb, 10 }, { 0x14, 12 }, { 0x14, 13 }, { 0x7, 5 },
85
 { 0x24, 8 }, { 0x1c, 12 }, { 0x13, 13 }, { 0x6, 5 },
86
 { 0xf, 10 }, { 0x12, 12 }, { 0x7, 6 }, { 0x9, 10 },
87
 { 0x12, 13 }, { 0x5, 6 }, { 0x1e, 12 }, { 0x14, 16 },
88
 { 0x4, 6 }, { 0x15, 12 }, { 0x7, 7 }, { 0x11, 12 },
89
 { 0x5, 7 }, { 0x11, 13 }, { 0x27, 8 }, { 0x10, 13 },
90
 { 0x23, 8 }, { 0x1a, 16 }, { 0x22, 8 }, { 0x19, 16 },
91
 { 0x20, 8 }, { 0x18, 16 }, { 0xe, 10 }, { 0x17, 16 },
92
 { 0xd, 10 }, { 0x16, 16 }, { 0x8, 10 }, { 0x15, 16 },
93
 { 0x1f, 12 }, { 0x1a, 12 }, { 0x19, 12 }, { 0x17, 12 },
94
 { 0x16, 12 }, { 0x1f, 13 }, { 0x1e, 13 }, { 0x1d, 13 },
95
 { 0x1c, 13 }, { 0x1b, 13 }, { 0x1f, 16 }, { 0x1e, 16 },
96
 { 0x1d, 16 }, { 0x1c, 16 }, { 0x1b, 16 },
97
 { 0x1, 6 }, /* escape */
98
 { 0x2, 2 }, /* EOB */
99
};
100
101
static const UINT16 mpeg2_vlc[113][2] = {
102
  {0x02, 2}, {0x06, 3}, {0x07, 4}, {0x1c, 5},
103
  {0x1d, 5}, {0x05, 6}, {0x04, 6}, {0x7b, 7},
104
  {0x7c, 7}, {0x23, 8}, {0x22, 8}, {0xfa, 8},
105
  {0xfb, 8}, {0xfe, 8}, {0xff, 8}, {0x1f,14},
106
  {0x1e,14}, {0x1d,14}, {0x1c,14}, {0x1b,14},
107
  {0x1a,14}, {0x19,14}, {0x18,14}, {0x17,14},
108
  {0x16,14}, {0x15,14}, {0x14,14}, {0x13,14},
109
  {0x12,14}, {0x11,14}, {0x10,14}, {0x18,15},
110
  {0x17,15}, {0x16,15}, {0x15,15}, {0x14,15},
111
  {0x13,15}, {0x12,15}, {0x11,15}, {0x10,15},
112
  {0x02, 3}, {0x06, 5}, {0x79, 7}, {0x27, 8},
113
  {0x20, 8}, {0x16,13}, {0x15,13}, {0x1f,15},
114
  {0x1e,15}, {0x1d,15}, {0x1c,15}, {0x1b,15},
115
  {0x1a,15}, {0x19,15}, {0x13,16}, {0x12,16},
116
  {0x11,16}, {0x10,16}, {0x05, 5}, {0x07, 7}, 
117
  {0xfc, 8}, {0x0c,10}, {0x14,13}, {0x07, 5}, 
118
  {0x26, 8}, {0x1c,12}, {0x13,13}, {0x06, 6}, 
119
  {0xfd, 8}, {0x12,12}, {0x07, 6}, {0x04, 9}, 
120
  {0x12,13}, {0x06, 7}, {0x1e,12}, {0x14,16}, 
121
  {0x04, 7}, {0x15,12}, {0x05, 7}, {0x11,12}, 
122
  {0x78, 7}, {0x11,13}, {0x7a, 7}, {0x10,13}, 
123
  {0x21, 8}, {0x1a,16}, {0x25, 8}, {0x19,16}, 
124
  {0x24, 8}, {0x18,16}, {0x05, 9}, {0x17,16}, 
125
  {0x07, 9}, {0x16,16}, {0x0d,10}, {0x15,16}, 
126
  {0x1f,12}, {0x1a,12}, {0x19,12}, {0x17,12}, 
127
  {0x16,12}, {0x1f,13}, {0x1e,13}, {0x1d,13}, 
128
  {0x1c,13}, {0x1b,13}, {0x1f,16}, {0x1e,16}, 
129
  {0x1d,16}, {0x1c,16}, {0x1b,16}, 
130
  {0x01,6}, /* escape */
131
  {0x06,4}, /* EOB */
132
};
133
134 98be975d Fabrice Bellard
static const INT8 mpeg1_level[111] = {
135 de6d9b64 Fabrice Bellard
  1,  2,  3,  4,  5,  6,  7,  8,
136
  9, 10, 11, 12, 13, 14, 15, 16,
137
 17, 18, 19, 20, 21, 22, 23, 24,
138
 25, 26, 27, 28, 29, 30, 31, 32,
139
 33, 34, 35, 36, 37, 38, 39, 40,
140
  1,  2,  3,  4,  5,  6,  7,  8,
141
  9, 10, 11, 12, 13, 14, 15, 16,
142
 17, 18,  1,  2,  3,  4,  5,  1,
143
  2,  3,  4,  1,  2,  3,  1,  2,
144
  3,  1,  2,  3,  1,  2,  1,  2,
145
  1,  2,  1,  2,  1,  2,  1,  2,
146
  1,  2,  1,  2,  1,  2,  1,  2,
147
  1,  1,  1,  1,  1,  1,  1,  1,
148
  1,  1,  1,  1,  1,  1,  1,
149
};
150
151 98be975d Fabrice Bellard
static const INT8 mpeg1_run[111] = {
152 de6d9b64 Fabrice Bellard
  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
  0,  0,  0,  0,  0,  0,  0,  0,
157
  1,  1,  1,  1,  1,  1,  1,  1,
158
  1,  1,  1,  1,  1,  1,  1,  1,
159
  1,  1,  2,  2,  2,  2,  2,  3,
160
  3,  3,  3,  4,  4,  4,  5,  5,
161
  5,  6,  6,  6,  7,  7,  8,  8,
162
  9,  9, 10, 10, 11, 11, 12, 12,
163
 13, 13, 14, 14, 15, 15, 16, 16,
164
 17, 18, 19, 20, 21, 22, 23, 24,
165
 25, 26, 27, 28, 29, 30, 31,
166
};
167
168 80feb2a2 Michael Niedermayer
static UINT8 mpeg1_index_run[2][64];
169
static INT8 mpeg1_max_level[2][64];
170
171 de6d9b64 Fabrice Bellard
static RLTable rl_mpeg1 = {
172
    111,
173
    111,
174
    mpeg1_vlc,
175
    mpeg1_run,
176
    mpeg1_level,
177
};
178
179
static RLTable rl_mpeg2 = {
180
    111,
181
    111,
182
    mpeg2_vlc,
183
    mpeg1_run,
184
    mpeg1_level,
185
};
186
187
static const UINT8 mbAddrIncrTable[35][2] = {
188
    {0x1, 1},
189
    {0x3, 3},
190
    {0x2, 3},
191
    {0x3, 4},
192
    {0x2, 4},
193
    {0x3, 5},
194
    {0x2, 5},
195
    {0x7, 7},
196
    {0x6, 7},
197
    {0xb, 8},
198
    {0xa, 8},
199
    {0x9, 8},
200
    {0x8, 8},
201
    {0x7, 8},
202
    {0x6, 8},
203
    {0x17, 10},
204
    {0x16, 10},
205
    {0x15, 10},
206
    {0x14, 10},
207
    {0x13, 10},
208
    {0x12, 10},
209
    {0x23, 11},
210
    {0x22, 11},
211
    {0x21, 11},
212
    {0x20, 11},
213
    {0x1f, 11},
214
    {0x1e, 11},
215
    {0x1d, 11},
216
    {0x1c, 11},
217
    {0x1b, 11},
218
    {0x1a, 11},
219
    {0x19, 11},
220
    {0x18, 11},
221
    {0x8, 11}, /* escape */
222
    {0xf, 11}, /* stuffing */
223
};
224
225
static const UINT8 mbPatTable[63][2] = {
226
    {0xb, 5},
227
    {0x9, 5},
228
    {0xd, 6},
229
    {0xd, 4},
230
    {0x17, 7},
231
    {0x13, 7},
232
    {0x1f, 8},
233
    {0xc, 4},
234
    {0x16, 7},
235
    {0x12, 7},
236
    {0x1e, 8},
237
    {0x13, 5},
238
    {0x1b, 8},
239
    {0x17, 8},
240
    {0x13, 8},
241
    {0xb, 4},
242
    {0x15, 7},
243
    {0x11, 7},
244
    {0x1d, 8},
245
    {0x11, 5},
246
    {0x19, 8},
247
    {0x15, 8},
248
    {0x11, 8},
249
    {0xf, 6},
250
    {0xf, 8},
251
    {0xd, 8},
252
    {0x3, 9},
253
    {0xf, 5},
254
    {0xb, 8},
255
    {0x7, 8},
256
    {0x7, 9},
257
    {0xa, 4},
258
    {0x14, 7},
259
    {0x10, 7},
260
    {0x1c, 8},
261
    {0xe, 6},
262
    {0xe, 8},
263
    {0xc, 8},
264
    {0x2, 9},
265
    {0x10, 5},
266
    {0x18, 8},
267
    {0x14, 8},
268
    {0x10, 8},
269
    {0xe, 5},
270
    {0xa, 8},
271
    {0x6, 8},
272
    {0x6, 9},
273
    {0x12, 5},
274
    {0x1a, 8},
275
    {0x16, 8},
276
    {0x12, 8},
277
    {0xd, 5},
278
    {0x9, 8},
279
    {0x5, 8},
280
    {0x5, 9},
281
    {0xc, 5},
282
    {0x8, 8},
283
    {0x4, 8},
284
    {0x4, 9},
285
    {0x7, 3},
286
    {0xa, 5},
287
    {0x8, 5},
288
    {0xc, 6}
289
};
290
291
#define MB_INTRA 0x01
292
#define MB_PAT   0x02
293
#define MB_BACK  0x04
294
#define MB_FOR   0x08
295
#define MB_QUANT 0x10  
296
297
static const UINT8 table_mb_ptype[32][2] = {
298 1a565432 Fabrice Bellard
    { 0, 0 }, // 0x00
299
    { 3, 5 }, // 0x01 MB_INTRA
300
    { 1, 2 }, // 0x02 MB_PAT
301
    { 0, 0 }, // 0x03
302
    { 0, 0 }, // 0x04
303
    { 0, 0 }, // 0x05
304
    { 0, 0 }, // 0x06
305
    { 0, 0 }, // 0x07
306
    { 1, 3 }, // 0x08 MB_FOR
307
    { 0, 0 }, // 0x09
308
    { 1, 1 }, // 0x0A MB_FOR|MB_PAT
309
    { 0, 0 }, // 0x0B
310
    { 0, 0 }, // 0x0C
311
    { 0, 0 }, // 0x0D
312
    { 0, 0 }, // 0x0E
313
    { 0, 0 }, // 0x0F
314
    { 0, 0 }, // 0x10
315
    { 1, 6 }, // 0x11 MB_QUANT|MB_INTRA
316
    { 1, 5 }, // 0x12 MB_QUANT|MB_PAT
317
    { 0, 0 }, // 0x13
318
    { 0, 0 }, // 0x14
319
    { 0, 0 }, // 0x15
320
    { 0, 0 }, // 0x16
321
    { 0, 0 }, // 0x17
322
    { 0, 0 }, // 0x18
323
    { 0, 0 }, // 0x19
324
    { 2, 5 }, // 0x1A MB_QUANT|MB_FOR|MB_PAT
325
    { 0, 0 }, // 0x1B
326
    { 0, 0 }, // 0x1C
327
    { 0, 0 }, // 0x1D
328
    { 0, 0 }, // 0x1E
329
    { 0, 0 }, // 0x1F
330 de6d9b64 Fabrice Bellard
};
331
332
static const UINT8 table_mb_btype[32][2] = {
333 1a565432 Fabrice Bellard
    { 0, 0 }, // 0x00
334
    { 3, 5 }, // 0x01 MB_INTRA
335
    { 0, 0 }, // 0x02
336
    { 0, 0 }, // 0x03
337
    { 2, 3 }, // 0x04 MB_BACK
338
    { 0, 0 }, // 0x05
339
    { 3, 3 }, // 0x06 MB_BACK|MB_PAT
340
    { 0, 0 }, // 0x07
341
    { 2, 4 }, // 0x08 MB_FOR
342
    { 0, 0 }, // 0x09
343
    { 3, 4 }, // 0x0A MB_FOR|MB_PAT
344
    { 0, 0 }, // 0x0B
345
    { 2, 2 }, // 0x0C MB_FOR|MB_BACK
346
    { 0, 0 }, // 0x0D
347
    { 3, 2 }, // 0x0E MB_FOR|MB_BACK|MB_PAT
348
    { 0, 0 }, // 0x0F
349
    { 0, 0 }, // 0x10
350
    { 1, 6 }, // 0x11 MB_QUANT|MB_INTRA
351
    { 0, 0 }, // 0x12
352
    { 0, 0 }, // 0x13
353
    { 0, 0 }, // 0x14
354
    { 0, 0 }, // 0x15
355
    { 2, 6 }, // 0x16 MB_QUANT|MB_BACK|MB_PAT
356
    { 0, 0 }, // 0x17
357
    { 0, 0 }, // 0x18
358
    { 0, 0 }, // 0x19
359
    { 3, 6 }, // 0x1A MB_QUANT|MB_FOR|MB_PAT
360
    { 0, 0 }, // 0x1B
361
    { 0, 0 }, // 0x1C
362
    { 0, 0 }, // 0x1D
363
    { 2, 5 }, // 0x1E MB_QUANT|MB_FOR|MB_BACK|MB_PAT
364
    { 0, 0 }, // 0x1F
365 de6d9b64 Fabrice Bellard
};
366
367
static const UINT8 mbMotionVectorTable[17][2] = {
368
{ 0x1, 1 },
369
{ 0x1, 2 },
370
{ 0x1, 3 },
371
{ 0x1, 4 },
372
{ 0x3, 6 },
373
{ 0x5, 7 },
374
{ 0x4, 7 },
375
{ 0x3, 7 },
376
{ 0xb, 9 },
377
{ 0xa, 9 },
378
{ 0x9, 9 },
379
{ 0x11, 10 },
380
{ 0x10, 10 },
381
{ 0xf, 10 },
382
{ 0xe, 10 },
383
{ 0xd, 10 },
384
{ 0xc, 10 },
385
};
386
387
static const int frame_rate_tab[9] = {
388
    0, 
389
    (int)(23.976 * FRAME_RATE_BASE), 
390
    (int)(24 * FRAME_RATE_BASE), 
391
    (int)(25 * FRAME_RATE_BASE), 
392
    (int)(29.97 * FRAME_RATE_BASE), 
393
    (int)(30 * FRAME_RATE_BASE), 
394
    (int)(50 * FRAME_RATE_BASE), 
395
    (int)(59.94 * FRAME_RATE_BASE), 
396
    (int)(60 * FRAME_RATE_BASE), 
397
};
398
399
static const UINT8 non_linear_qscale[32] = {
400
    0, 1, 2, 3, 4, 5, 6, 7,
401
    8,10,12,14,16,18,20,22,
402
    24,28,32,36,40,44,48,52,
403
    56,64,72,80,88,96,104,112,
404
};