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 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 const uint16_t vlc_dc_lum_code[12] = {
52 0x4, 0x0, 0x1, 0x5, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x1ff,
54 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 /* simple include everything table for dc, first byte is bits number next 3 are code*/
66 static uint32_t mpeg1_lum_dc_uni[512];
67 static uint32_t mpeg1_chr_dc_uni[512];
69 static const uint16_t mpeg1_vlc[113][2] = {
70 { 0x3, 2 }, { 0x4, 4 }, { 0x5, 5 }, { 0x6, 7 },
71 { 0x26, 8 }, { 0x21, 8 }, { 0xa, 10 }, { 0x1d, 12 },
72 { 0x18, 12 }, { 0x13, 12 }, { 0x10, 12 }, { 0x1a, 13 },
73 { 0x19, 13 }, { 0x18, 13 }, { 0x17, 13 }, { 0x1f, 14 },
74 { 0x1e, 14 }, { 0x1d, 14 }, { 0x1c, 14 }, { 0x1b, 14 },
75 { 0x1a, 14 }, { 0x19, 14 }, { 0x18, 14 }, { 0x17, 14 },
76 { 0x16, 14 }, { 0x15, 14 }, { 0x14, 14 }, { 0x13, 14 },
77 { 0x12, 14 }, { 0x11, 14 }, { 0x10, 14 }, { 0x18, 15 },
78 { 0x17, 15 }, { 0x16, 15 }, { 0x15, 15 }, { 0x14, 15 },
79 { 0x13, 15 }, { 0x12, 15 }, { 0x11, 15 }, { 0x10, 15 },
80 { 0x3, 3 }, { 0x6, 6 }, { 0x25, 8 }, { 0xc, 10 },
81 { 0x1b, 12 }, { 0x16, 13 }, { 0x15, 13 }, { 0x1f, 15 },
82 { 0x1e, 15 }, { 0x1d, 15 }, { 0x1c, 15 }, { 0x1b, 15 },
83 { 0x1a, 15 }, { 0x19, 15 }, { 0x13, 16 }, { 0x12, 16 },
84 { 0x11, 16 }, { 0x10, 16 }, { 0x5, 4 }, { 0x4, 7 },
85 { 0xb, 10 }, { 0x14, 12 }, { 0x14, 13 }, { 0x7, 5 },
86 { 0x24, 8 }, { 0x1c, 12 }, { 0x13, 13 }, { 0x6, 5 },
87 { 0xf, 10 }, { 0x12, 12 }, { 0x7, 6 }, { 0x9, 10 },
88 { 0x12, 13 }, { 0x5, 6 }, { 0x1e, 12 }, { 0x14, 16 },
89 { 0x4, 6 }, { 0x15, 12 }, { 0x7, 7 }, { 0x11, 12 },
90 { 0x5, 7 }, { 0x11, 13 }, { 0x27, 8 }, { 0x10, 13 },
91 { 0x23, 8 }, { 0x1a, 16 }, { 0x22, 8 }, { 0x19, 16 },
92 { 0x20, 8 }, { 0x18, 16 }, { 0xe, 10 }, { 0x17, 16 },
93 { 0xd, 10 }, { 0x16, 16 }, { 0x8, 10 }, { 0x15, 16 },
94 { 0x1f, 12 }, { 0x1a, 12 }, { 0x19, 12 }, { 0x17, 12 },
95 { 0x16, 12 }, { 0x1f, 13 }, { 0x1e, 13 }, { 0x1d, 13 },
96 { 0x1c, 13 }, { 0x1b, 13 }, { 0x1f, 16 }, { 0x1e, 16 },
97 { 0x1d, 16 }, { 0x1c, 16 }, { 0x1b, 16 },
98 { 0x1, 6 }, /* escape */
102 static const uint16_t mpeg2_vlc[113][2] = {
103 {0x02, 2}, {0x06, 3}, {0x07, 4}, {0x1c, 5},
104 {0x1d, 5}, {0x05, 6}, {0x04, 6}, {0x7b, 7},
105 {0x7c, 7}, {0x23, 8}, {0x22, 8}, {0xfa, 8},
106 {0xfb, 8}, {0xfe, 8}, {0xff, 8}, {0x1f,14},
107 {0x1e,14}, {0x1d,14}, {0x1c,14}, {0x1b,14},
108 {0x1a,14}, {0x19,14}, {0x18,14}, {0x17,14},
109 {0x16,14}, {0x15,14}, {0x14,14}, {0x13,14},
110 {0x12,14}, {0x11,14}, {0x10,14}, {0x18,15},
111 {0x17,15}, {0x16,15}, {0x15,15}, {0x14,15},
112 {0x13,15}, {0x12,15}, {0x11,15}, {0x10,15},
113 {0x02, 3}, {0x06, 5}, {0x79, 7}, {0x27, 8},
114 {0x20, 8}, {0x16,13}, {0x15,13}, {0x1f,15},
115 {0x1e,15}, {0x1d,15}, {0x1c,15}, {0x1b,15},
116 {0x1a,15}, {0x19,15}, {0x13,16}, {0x12,16},
117 {0x11,16}, {0x10,16}, {0x05, 5}, {0x07, 7},
118 {0xfc, 8}, {0x0c,10}, {0x14,13}, {0x07, 5},
119 {0x26, 8}, {0x1c,12}, {0x13,13}, {0x06, 6},
120 {0xfd, 8}, {0x12,12}, {0x07, 6}, {0x04, 9},
121 {0x12,13}, {0x06, 7}, {0x1e,12}, {0x14,16},
122 {0x04, 7}, {0x15,12}, {0x05, 7}, {0x11,12},
123 {0x78, 7}, {0x11,13}, {0x7a, 7}, {0x10,13},
124 {0x21, 8}, {0x1a,16}, {0x25, 8}, {0x19,16},
125 {0x24, 8}, {0x18,16}, {0x05, 9}, {0x17,16},
126 {0x07, 9}, {0x16,16}, {0x0d,10}, {0x15,16},
127 {0x1f,12}, {0x1a,12}, {0x19,12}, {0x17,12},
128 {0x16,12}, {0x1f,13}, {0x1e,13}, {0x1d,13},
129 {0x1c,13}, {0x1b,13}, {0x1f,16}, {0x1e,16},
130 {0x1d,16}, {0x1c,16}, {0x1b,16},
131 {0x01,6}, /* escape */
135 static const int8_t mpeg1_level[111] = {
136 1, 2, 3, 4, 5, 6, 7, 8,
137 9, 10, 11, 12, 13, 14, 15, 16,
138 17, 18, 19, 20, 21, 22, 23, 24,
139 25, 26, 27, 28, 29, 30, 31, 32,
140 33, 34, 35, 36, 37, 38, 39, 40,
141 1, 2, 3, 4, 5, 6, 7, 8,
142 9, 10, 11, 12, 13, 14, 15, 16,
143 17, 18, 1, 2, 3, 4, 5, 1,
144 2, 3, 4, 1, 2, 3, 1, 2,
145 3, 1, 2, 3, 1, 2, 1, 2,
146 1, 2, 1, 2, 1, 2, 1, 2,
147 1, 2, 1, 2, 1, 2, 1, 2,
148 1, 1, 1, 1, 1, 1, 1, 1,
152 static const int8_t mpeg1_run[111] = {
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 0, 0, 0, 0, 0, 0, 0, 0,
158 1, 1, 1, 1, 1, 1, 1, 1,
159 1, 1, 1, 1, 1, 1, 1, 1,
160 1, 1, 2, 2, 2, 2, 2, 3,
161 3, 3, 3, 4, 4, 4, 5, 5,
162 5, 6, 6, 6, 7, 7, 8, 8,
163 9, 9, 10, 10, 11, 11, 12, 12,
164 13, 13, 14, 14, 15, 15, 16, 16,
165 17, 18, 19, 20, 21, 22, 23, 24,
166 25, 26, 27, 28, 29, 30, 31,
169 static uint8_t mpeg1_index_run[2][64];
170 static int8_t mpeg1_max_level[2][64];
172 static RLTable rl_mpeg1 = {
180 static RLTable rl_mpeg2 = {
188 static const uint8_t mbAddrIncrTable[35][2] = {
222 {0x8, 11}, /* escape */
223 {0xf, 11}, /* stuffing */
226 static const uint8_t mbPatTable[63][2] = {
292 #define MB_TYPE_PAT 0x40000000
293 #define MB_TYPE_ZERO_MV 0x20000000
294 #define IS_ZERO_MV(a) ((a)&MB_TYPE_ZERO_MV)
295 #define IS_PAT(a) ((a)&MB_TYPE_PAT)
297 static const uint8_t table_mb_ptype[7][2] = {
298 { 3, 5 }, // 0x01 MB_INTRA
299 { 1, 2 }, // 0x02 MB_PAT
300 { 1, 3 }, // 0x08 MB_FOR
301 { 1, 1 }, // 0x0A MB_FOR|MB_PAT
302 { 1, 6 }, // 0x11 MB_QUANT|MB_INTRA
303 { 1, 5 }, // 0x12 MB_QUANT|MB_PAT
304 { 2, 5 }, // 0x1A MB_QUANT|MB_FOR|MB_PAT
307 static const uint32_t ptype2mb_type[7] = {
309 MB_TYPE_L0 | MB_TYPE_PAT | MB_TYPE_ZERO_MV | MB_TYPE_16x16,
311 MB_TYPE_L0 | MB_TYPE_PAT,
312 MB_TYPE_QUANT | MB_TYPE_INTRA,
313 MB_TYPE_QUANT | MB_TYPE_L0 | MB_TYPE_PAT | MB_TYPE_ZERO_MV | MB_TYPE_16x16,
314 MB_TYPE_QUANT | MB_TYPE_L0 | MB_TYPE_PAT,
317 static const uint8_t table_mb_btype[11][2] = {
318 { 3, 5 }, // 0x01 MB_INTRA
319 { 2, 3 }, // 0x04 MB_BACK
320 { 3, 3 }, // 0x06 MB_BACK|MB_PAT
321 { 2, 4 }, // 0x08 MB_FOR
322 { 3, 4 }, // 0x0A MB_FOR|MB_PAT
323 { 2, 2 }, // 0x0C MB_FOR|MB_BACK
324 { 3, 2 }, // 0x0E MB_FOR|MB_BACK|MB_PAT
325 { 1, 6 }, // 0x11 MB_QUANT|MB_INTRA
326 { 2, 6 }, // 0x16 MB_QUANT|MB_BACK|MB_PAT
327 { 3, 6 }, // 0x1A MB_QUANT|MB_FOR|MB_PAT
328 { 2, 5 }, // 0x1E MB_QUANT|MB_FOR|MB_BACK|MB_PAT
331 static const uint32_t btype2mb_type[11] = {
334 MB_TYPE_L1 | MB_TYPE_PAT,
336 MB_TYPE_L0 | MB_TYPE_PAT,
338 MB_TYPE_L0L1 | MB_TYPE_PAT,
339 MB_TYPE_QUANT | MB_TYPE_INTRA,
340 MB_TYPE_QUANT | MB_TYPE_L1 | MB_TYPE_PAT,
341 MB_TYPE_QUANT | MB_TYPE_L0 | MB_TYPE_PAT,
342 MB_TYPE_QUANT | MB_TYPE_L0L1 | MB_TYPE_PAT,
345 static const uint8_t mbMotionVectorTable[17][2] = {
365 #define MPEG1_FRAME_RATE_BASE 1001
367 static const int frame_rate_tab[16] = {
379 // libmpeg3's "Unofficial economy rates": (10-13)
384 // random, just to avoid segfault !never encode these
389 static const uint8_t non_linear_qscale[32] = {
390 0, 1, 2, 3, 4, 5, 6, 7,
391 8,10,12,14,16,18,20,22,
392 24,28,32,36,40,44,48,52,
393 56,64,72,80,88,96,104,112,
396 uint8_t ff_mpeg1_dc_scale_table[128]={ // MN: mpeg2 really can have such large qscales?
397 // 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
398 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,
399 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,
400 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,
401 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,
404 static const float mpeg1_aspect[16]={
425 static const float mpeg2_aspect[16]={