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
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,
28
static const uint16_t vlc_dc_lum_code[12] = {
29
0x4, 0x0, 0x1, 0x5, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x1ff,
31
static const unsigned char vlc_dc_lum_bits[12] = {
32
3, 2, 2, 3, 3, 4, 5, 6, 7, 8, 9, 9,
35
const uint16_t vlc_dc_chroma_code[12] = {
36
0x0, 0x1, 0x2, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x3fe, 0x3ff,
38
const unsigned char vlc_dc_chroma_bits[12] = {
39
2, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10,
42
static const uint16_t mpeg1_vlc[113][2] = {
43
{ 0x3, 2 }, { 0x4, 4 }, { 0x5, 5 }, { 0x6, 7 },
44
{ 0x26, 8 }, { 0x21, 8 }, { 0xa, 10 }, { 0x1d, 12 },
45
{ 0x18, 12 }, { 0x13, 12 }, { 0x10, 12 }, { 0x1a, 13 },
46
{ 0x19, 13 }, { 0x18, 13 }, { 0x17, 13 }, { 0x1f, 14 },
47
{ 0x1e, 14 }, { 0x1d, 14 }, { 0x1c, 14 }, { 0x1b, 14 },
48
{ 0x1a, 14 }, { 0x19, 14 }, { 0x18, 14 }, { 0x17, 14 },
49
{ 0x16, 14 }, { 0x15, 14 }, { 0x14, 14 }, { 0x13, 14 },
50
{ 0x12, 14 }, { 0x11, 14 }, { 0x10, 14 }, { 0x18, 15 },
51
{ 0x17, 15 }, { 0x16, 15 }, { 0x15, 15 }, { 0x14, 15 },
52
{ 0x13, 15 }, { 0x12, 15 }, { 0x11, 15 }, { 0x10, 15 },
53
{ 0x3, 3 }, { 0x6, 6 }, { 0x25, 8 }, { 0xc, 10 },
54
{ 0x1b, 12 }, { 0x16, 13 }, { 0x15, 13 }, { 0x1f, 15 },
55
{ 0x1e, 15 }, { 0x1d, 15 }, { 0x1c, 15 }, { 0x1b, 15 },
56
{ 0x1a, 15 }, { 0x19, 15 }, { 0x13, 16 }, { 0x12, 16 },
57
{ 0x11, 16 }, { 0x10, 16 }, { 0x5, 4 }, { 0x4, 7 },
58
{ 0xb, 10 }, { 0x14, 12 }, { 0x14, 13 }, { 0x7, 5 },
59
{ 0x24, 8 }, { 0x1c, 12 }, { 0x13, 13 }, { 0x6, 5 },
60
{ 0xf, 10 }, { 0x12, 12 }, { 0x7, 6 }, { 0x9, 10 },
61
{ 0x12, 13 }, { 0x5, 6 }, { 0x1e, 12 }, { 0x14, 16 },
62
{ 0x4, 6 }, { 0x15, 12 }, { 0x7, 7 }, { 0x11, 12 },
63
{ 0x5, 7 }, { 0x11, 13 }, { 0x27, 8 }, { 0x10, 13 },
64
{ 0x23, 8 }, { 0x1a, 16 }, { 0x22, 8 }, { 0x19, 16 },
65
{ 0x20, 8 }, { 0x18, 16 }, { 0xe, 10 }, { 0x17, 16 },
66
{ 0xd, 10 }, { 0x16, 16 }, { 0x8, 10 }, { 0x15, 16 },
67
{ 0x1f, 12 }, { 0x1a, 12 }, { 0x19, 12 }, { 0x17, 12 },
68
{ 0x16, 12 }, { 0x1f, 13 }, { 0x1e, 13 }, { 0x1d, 13 },
69
{ 0x1c, 13 }, { 0x1b, 13 }, { 0x1f, 16 }, { 0x1e, 16 },
70
{ 0x1d, 16 }, { 0x1c, 16 }, { 0x1b, 16 },
71
{ 0x1, 6 }, /* escape */
75
static const uint16_t mpeg2_vlc[113][2] = {
76
{0x02, 2}, {0x06, 3}, {0x07, 4}, {0x1c, 5},
77
{0x1d, 5}, {0x05, 6}, {0x04, 6}, {0x7b, 7},
78
{0x7c, 7}, {0x23, 8}, {0x22, 8}, {0xfa, 8},
79
{0xfb, 8}, {0xfe, 8}, {0xff, 8}, {0x1f,14},
80
{0x1e,14}, {0x1d,14}, {0x1c,14}, {0x1b,14},
81
{0x1a,14}, {0x19,14}, {0x18,14}, {0x17,14},
82
{0x16,14}, {0x15,14}, {0x14,14}, {0x13,14},
83
{0x12,14}, {0x11,14}, {0x10,14}, {0x18,15},
84
{0x17,15}, {0x16,15}, {0x15,15}, {0x14,15},
85
{0x13,15}, {0x12,15}, {0x11,15}, {0x10,15},
86
{0x02, 3}, {0x06, 5}, {0x79, 7}, {0x27, 8},
87
{0x20, 8}, {0x16,13}, {0x15,13}, {0x1f,15},
88
{0x1e,15}, {0x1d,15}, {0x1c,15}, {0x1b,15},
89
{0x1a,15}, {0x19,15}, {0x13,16}, {0x12,16},
90
{0x11,16}, {0x10,16}, {0x05, 5}, {0x07, 7},
91
{0xfc, 8}, {0x0c,10}, {0x14,13}, {0x07, 5},
92
{0x26, 8}, {0x1c,12}, {0x13,13}, {0x06, 6},
93
{0xfd, 8}, {0x12,12}, {0x07, 6}, {0x04, 9},
94
{0x12,13}, {0x06, 7}, {0x1e,12}, {0x14,16},
95
{0x04, 7}, {0x15,12}, {0x05, 7}, {0x11,12},
96
{0x78, 7}, {0x11,13}, {0x7a, 7}, {0x10,13},
97
{0x21, 8}, {0x1a,16}, {0x25, 8}, {0x19,16},
98
{0x24, 8}, {0x18,16}, {0x05, 9}, {0x17,16},
99
{0x07, 9}, {0x16,16}, {0x0d,10}, {0x15,16},
100
{0x1f,12}, {0x1a,12}, {0x19,12}, {0x17,12},
101
{0x16,12}, {0x1f,13}, {0x1e,13}, {0x1d,13},
102
{0x1c,13}, {0x1b,13}, {0x1f,16}, {0x1e,16},
103
{0x1d,16}, {0x1c,16}, {0x1b,16},
104
{0x01,6}, /* escape */
108
static const int8_t mpeg1_level[111] = {
109
1, 2, 3, 4, 5, 6, 7, 8,
110
9, 10, 11, 12, 13, 14, 15, 16,
111
17, 18, 19, 20, 21, 22, 23, 24,
112
25, 26, 27, 28, 29, 30, 31, 32,
113
33, 34, 35, 36, 37, 38, 39, 40,
114
1, 2, 3, 4, 5, 6, 7, 8,
115
9, 10, 11, 12, 13, 14, 15, 16,
116
17, 18, 1, 2, 3, 4, 5, 1,
117
2, 3, 4, 1, 2, 3, 1, 2,
118
3, 1, 2, 3, 1, 2, 1, 2,
119
1, 2, 1, 2, 1, 2, 1, 2,
120
1, 2, 1, 2, 1, 2, 1, 2,
121
1, 1, 1, 1, 1, 1, 1, 1,
125
static const int8_t mpeg1_run[111] = {
126
0, 0, 0, 0, 0, 0, 0, 0,
127
0, 0, 0, 0, 0, 0, 0, 0,
128
0, 0, 0, 0, 0, 0, 0, 0,
129
0, 0, 0, 0, 0, 0, 0, 0,
130
0, 0, 0, 0, 0, 0, 0, 0,
131
1, 1, 1, 1, 1, 1, 1, 1,
132
1, 1, 1, 1, 1, 1, 1, 1,
133
1, 1, 2, 2, 2, 2, 2, 3,
134
3, 3, 3, 4, 4, 4, 5, 5,
135
5, 6, 6, 6, 7, 7, 8, 8,
136
9, 9, 10, 10, 11, 11, 12, 12,
137
13, 13, 14, 14, 15, 15, 16, 16,
138
17, 18, 19, 20, 21, 22, 23, 24,
139
25, 26, 27, 28, 29, 30, 31,
142
static RLTable rl_mpeg1 = {
150
static RLTable rl_mpeg2 = {
158
static const uint8_t mbAddrIncrTable[36][2] = {
192
{0x8, 11}, /* escape */
193
{0xf, 11}, /* stuffing */
194
{0x0, 8}, /* end (and 15 more 0 bits should follow) */
197
static const uint8_t mbPatTable[64][2] = {
264
#define MB_TYPE_ZERO_MV 0x20000000
265
#define IS_ZERO_MV(a) ((a)&MB_TYPE_ZERO_MV)
267
static const uint8_t table_mb_ptype[7][2] = {
268
{ 3, 5 }, // 0x01 MB_INTRA
269
{ 1, 2 }, // 0x02 MB_PAT
270
{ 1, 3 }, // 0x08 MB_FOR
271
{ 1, 1 }, // 0x0A MB_FOR|MB_PAT
272
{ 1, 6 }, // 0x11 MB_QUANT|MB_INTRA
273
{ 1, 5 }, // 0x12 MB_QUANT|MB_PAT
274
{ 2, 5 }, // 0x1A MB_QUANT|MB_FOR|MB_PAT
277
static const uint32_t ptype2mb_type[7] = {
279
MB_TYPE_L0 | MB_TYPE_CBP | MB_TYPE_ZERO_MV | MB_TYPE_16x16,
281
MB_TYPE_L0 | MB_TYPE_CBP,
282
MB_TYPE_QUANT | MB_TYPE_INTRA,
283
MB_TYPE_QUANT | MB_TYPE_L0 | MB_TYPE_CBP | MB_TYPE_ZERO_MV | MB_TYPE_16x16,
284
MB_TYPE_QUANT | MB_TYPE_L0 | MB_TYPE_CBP,
287
static const uint8_t table_mb_btype[11][2] = {
288
{ 3, 5 }, // 0x01 MB_INTRA
289
{ 2, 3 }, // 0x04 MB_BACK
290
{ 3, 3 }, // 0x06 MB_BACK|MB_PAT
291
{ 2, 4 }, // 0x08 MB_FOR
292
{ 3, 4 }, // 0x0A MB_FOR|MB_PAT
293
{ 2, 2 }, // 0x0C MB_FOR|MB_BACK
294
{ 3, 2 }, // 0x0E MB_FOR|MB_BACK|MB_PAT
295
{ 1, 6 }, // 0x11 MB_QUANT|MB_INTRA
296
{ 2, 6 }, // 0x16 MB_QUANT|MB_BACK|MB_PAT
297
{ 3, 6 }, // 0x1A MB_QUANT|MB_FOR|MB_PAT
298
{ 2, 5 }, // 0x1E MB_QUANT|MB_FOR|MB_BACK|MB_PAT
301
static const uint32_t btype2mb_type[11] = {
304
MB_TYPE_L1 | MB_TYPE_CBP,
306
MB_TYPE_L0 | MB_TYPE_CBP,
308
MB_TYPE_L0L1 | MB_TYPE_CBP,
309
MB_TYPE_QUANT | MB_TYPE_INTRA,
310
MB_TYPE_QUANT | MB_TYPE_L1 | MB_TYPE_CBP,
311
MB_TYPE_QUANT | MB_TYPE_L0 | MB_TYPE_CBP,
312
MB_TYPE_QUANT | MB_TYPE_L0L1 | MB_TYPE_CBP,
315
static const uint8_t mbMotionVectorTable[17][2] = {
335
static const AVRational frame_rate_tab[] = {
347
// libmpeg3's "Unofficial economy rates": (10-13)
355
static const uint8_t non_linear_qscale[32] = {
356
0, 1, 2, 3, 4, 5, 6, 7,
357
8,10,12,14,16,18,20,22,
358
24,28,32,36,40,44,48,52,
359
56,64,72,80,88,96,104,112,
362
const uint8_t ff_mpeg1_dc_scale_table[128]={
363
// 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
364
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,
365
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,
366
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,
367
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,
370
const static uint8_t mpeg2_dc_scale_table1[128]={
371
// 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
372
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
373
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
374
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
375
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
378
static const uint8_t mpeg2_dc_scale_table2[128]={
379
// 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
380
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
381
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
382
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
383
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
386
static const uint8_t mpeg2_dc_scale_table3[128]={
387
// 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
388
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
389
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
390
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
391
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
394
static const uint8_t *mpeg2_dc_scale_table[4]={
395
ff_mpeg1_dc_scale_table,
396
mpeg2_dc_scale_table1,
397
mpeg2_dc_scale_table2,
398
mpeg2_dc_scale_table3,
401
static const float mpeg1_aspect[16]={
422
static const AVRational mpeg2_aspect[16]={
441
static const uint8_t svcd_scan_offset_placeholder[14]={