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 unsigned char vlc_dc_table[256] = {
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,
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,
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,
51 static const uint16_t vlc_dc_lum_code[12] = {
52 0x4, 0x0, 0x1, 0x5, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x1ff,
54 static const unsigned char vlc_dc_lum_bits[12] = {
55 3, 2, 2, 3, 3, 4, 5, 6, 7, 8, 9, 9,
58 const uint16_t vlc_dc_chroma_code[12] = {
59 0x0, 0x1, 0x2, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x3fe, 0x3ff,
61 const unsigned char vlc_dc_chroma_bits[12] = {
62 2, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10,
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 */
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 */
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,
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,
165 static RLTable rl_mpeg1 = {
173 static RLTable rl_mpeg2 = {
181 static const uint8_t mbAddrIncrTable[36][2] = {
215 {0x8, 11}, /* escape */
216 {0xf, 11}, /* stuffing */
217 {0x0, 8}, /* end (and 15 more 0 bits should follow) */
220 static const uint8_t mbPatTable[63][2] = {
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)
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
301 static const uint32_t ptype2mb_type[7] = {
303 MB_TYPE_L0 | MB_TYPE_PAT | MB_TYPE_ZERO_MV | MB_TYPE_16x16,
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,
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
325 static const uint32_t btype2mb_type[11] = {
328 MB_TYPE_L1 | MB_TYPE_PAT,
330 MB_TYPE_L0 | MB_TYPE_PAT,
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,
339 static const uint8_t mbMotionVectorTable[17][2] = {
359 #define MPEG1_FRAME_RATE_BASE 1001
361 static const int frame_rate_tab[16] = {
373 // libmpeg3's "Unofficial economy rates": (10-13)
378 // random, just to avoid segfault !never encode these
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,
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,
398 static const float mpeg1_aspect[16]={
419 static const float mpeg2_aspect[16]={