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ffmpeg / libavcodec / mpeg12data.h @ 58c2182d

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/**
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 * @file mpeg12data.h
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 * MPEG1/2 tables.
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 */
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const int16_t ff_mpeg1_default_intra_matrix[64] = {
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        8, 16, 19, 22, 26, 27, 29, 34,
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        16, 16, 22, 24, 27, 29, 34, 37,
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        19, 22, 26, 27, 29, 34, 34, 38,
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        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,
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        26, 27, 29, 34, 38, 46, 56, 69,
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        27, 29, 35, 38, 46, 56, 69, 83
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};
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const int16_t ff_mpeg1_default_non_intra_matrix[64] = {
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    16, 16, 16, 16, 16, 16, 16, 16,
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    16, 16, 16, 16, 16, 16, 16, 16,
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    16, 16, 16, 16, 16, 16, 16, 16,
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    16, 16, 16, 16, 16, 16, 16, 16,
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    16, 16, 16, 16, 16, 16, 16, 16,
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    16, 16, 16, 16, 16, 16, 16, 16,
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    16, 16, 16, 16, 16, 16, 16, 16,
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    16, 16, 16, 16, 16, 16, 16, 16,
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};
27

    
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static const unsigned char vlc_dc_table[256] = {
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    0, 1, 2, 2,
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    3, 3, 3, 3,
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    4, 4, 4, 4, 4, 4, 4, 4,
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    5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
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    6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
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    6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
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    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
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    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
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    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
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    7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
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    8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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    8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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    8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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    8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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    8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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    8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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    8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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    8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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};
50

    
51
static const uint16_t vlc_dc_lum_code[12] = {
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    0x4, 0x0, 0x1, 0x5, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x1ff,
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};
54
static const unsigned char vlc_dc_lum_bits[12] = {
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    3, 2, 2, 3, 3, 4, 5, 6, 7, 8, 9, 9,
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};
57

    
58
const uint16_t vlc_dc_chroma_code[12] = {
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    0x0, 0x1, 0x2, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x3fe, 0x3ff,
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};
61
const unsigned char vlc_dc_chroma_bits[12] = {
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    2, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10,
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};
64

    
65
static const uint16_t mpeg1_vlc[113][2] = {
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 { 0x3, 2 }, { 0x4, 4 }, { 0x5, 5 }, { 0x6, 7 },
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 { 0x26, 8 }, { 0x21, 8 }, { 0xa, 10 }, { 0x1d, 12 },
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 { 0x18, 12 }, { 0x13, 12 }, { 0x10, 12 }, { 0x1a, 13 },
69
 { 0x19, 13 }, { 0x18, 13 }, { 0x17, 13 }, { 0x1f, 14 },
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 { 0x1e, 14 }, { 0x1d, 14 }, { 0x1c, 14 }, { 0x1b, 14 },
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 { 0x1a, 14 }, { 0x19, 14 }, { 0x18, 14 }, { 0x17, 14 },
72
 { 0x16, 14 }, { 0x15, 14 }, { 0x14, 14 }, { 0x13, 14 },
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 { 0x12, 14 }, { 0x11, 14 }, { 0x10, 14 }, { 0x18, 15 },
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 { 0x17, 15 }, { 0x16, 15 }, { 0x15, 15 }, { 0x14, 15 },
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 { 0x13, 15 }, { 0x12, 15 }, { 0x11, 15 }, { 0x10, 15 },
76
 { 0x3, 3 }, { 0x6, 6 }, { 0x25, 8 }, { 0xc, 10 },
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 { 0x1b, 12 }, { 0x16, 13 }, { 0x15, 13 }, { 0x1f, 15 },
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 { 0x1e, 15 }, { 0x1d, 15 }, { 0x1c, 15 }, { 0x1b, 15 },
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 { 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 },
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 { 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 },
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 { 0x4, 6 }, { 0x15, 12 }, { 0x7, 7 }, { 0x11, 12 },
86
 { 0x5, 7 }, { 0x11, 13 }, { 0x27, 8 }, { 0x10, 13 },
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 { 0x23, 8 }, { 0x1a, 16 }, { 0x22, 8 }, { 0x19, 16 },
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 { 0x20, 8 }, { 0x18, 16 }, { 0xe, 10 }, { 0x17, 16 },
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 { 0xd, 10 }, { 0x16, 16 }, { 0x8, 10 }, { 0x15, 16 },
90
 { 0x1f, 12 }, { 0x1a, 12 }, { 0x19, 12 }, { 0x17, 12 },
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 { 0x16, 12 }, { 0x1f, 13 }, { 0x1e, 13 }, { 0x1d, 13 },
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 { 0x1c, 13 }, { 0x1b, 13 }, { 0x1f, 16 }, { 0x1e, 16 },
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 { 0x1d, 16 }, { 0x1c, 16 }, { 0x1b, 16 },
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 { 0x1, 6 }, /* escape */
95
 { 0x2, 2 }, /* EOB */
96
};
97

    
98
static const uint16_t mpeg2_vlc[113][2] = {
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  {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},
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  {0xfb, 8}, {0xfe, 8}, {0xff, 8}, {0x1f,14},
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  {0x1e,14}, {0x1d,14}, {0x1c,14}, {0x1b,14},
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  {0x1a,14}, {0x19,14}, {0x18,14}, {0x17,14},
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  {0x16,14}, {0x15,14}, {0x14,14}, {0x13,14},
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  {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,
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 25, 26, 27, 28, 29, 30, 31, 32,
136
 33, 34, 35, 36, 37, 38, 39, 40,
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  1,  2,  3,  4,  5,  6,  7,  8,
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  9, 10, 11, 12, 13, 14, 15, 16,
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 17, 18,  1,  2,  3,  4,  5,  1,
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  2,  3,  4,  1,  2,  3,  1,  2,
141
  3,  1,  2,  3,  1,  2,  1,  2,
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  1,  2,  1,  2,  1,  2,  1,  2,
143
  1,  2,  1,  2,  1,  2,  1,  2,
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  1,  1,  1,  1,  1,  1,  1,  1,
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  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,
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  1,  1,  1,  1,  1,  1,  1,  1,
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  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[64][2] = {
221
    {0x1, 9},
222
    {0xb, 5},
223
    {0x9, 5},
224
    {0xd, 6},
225
    {0xd, 4},
226
    {0x17, 7},
227
    {0x13, 7},
228
    {0x1f, 8},
229
    {0xc, 4},
230
    {0x16, 7},
231
    {0x12, 7},
232
    {0x1e, 8},
233
    {0x13, 5},
234
    {0x1b, 8},
235
    {0x17, 8},
236
    {0x13, 8},
237
    {0xb, 4},
238
    {0x15, 7},
239
    {0x11, 7},
240
    {0x1d, 8},
241
    {0x11, 5},
242
    {0x19, 8},
243
    {0x15, 8},
244
    {0x11, 8},
245
    {0xf, 6},
246
    {0xf, 8},
247
    {0xd, 8},
248
    {0x3, 9},
249
    {0xf, 5},
250
    {0xb, 8},
251
    {0x7, 8},
252
    {0x7, 9},
253
    {0xa, 4},
254
    {0x14, 7},
255
    {0x10, 7},
256
    {0x1c, 8},
257
    {0xe, 6},
258
    {0xe, 8},
259
    {0xc, 8},
260
    {0x2, 9},
261
    {0x10, 5},
262
    {0x18, 8},
263
    {0x14, 8},
264
    {0x10, 8},
265
    {0xe, 5},
266
    {0xa, 8},
267
    {0x6, 8},
268
    {0x6, 9},
269
    {0x12, 5},
270
    {0x1a, 8},
271
    {0x16, 8},
272
    {0x12, 8},
273
    {0xd, 5},
274
    {0x9, 8},
275
    {0x5, 8},
276
    {0x5, 9},
277
    {0xc, 5},
278
    {0x8, 8},
279
    {0x4, 8},
280
    {0x4, 9},
281
    {0x7, 3},
282
    {0xa, 5},
283
    {0x8, 5},
284
    {0xc, 6}
285
};
286

    
287
#define MB_TYPE_ZERO_MV   0x20000000
288
#define IS_ZERO_MV(a)   ((a)&MB_TYPE_ZERO_MV)
289

    
290
static const uint8_t table_mb_ptype[7][2] = {
291
    { 3, 5 }, // 0x01 MB_INTRA
292
    { 1, 2 }, // 0x02 MB_PAT
293
    { 1, 3 }, // 0x08 MB_FOR
294
    { 1, 1 }, // 0x0A MB_FOR|MB_PAT
295
    { 1, 6 }, // 0x11 MB_QUANT|MB_INTRA
296
    { 1, 5 }, // 0x12 MB_QUANT|MB_PAT
297
    { 2, 5 }, // 0x1A MB_QUANT|MB_FOR|MB_PAT
298
};
299

    
300
static const uint32_t ptype2mb_type[7] = {
301
                    MB_TYPE_INTRA,
302
                    MB_TYPE_L0 | MB_TYPE_CBP | MB_TYPE_ZERO_MV | MB_TYPE_16x16,
303
                    MB_TYPE_L0,
304
                    MB_TYPE_L0 | MB_TYPE_CBP,
305
    MB_TYPE_QUANT | MB_TYPE_INTRA,
306
    MB_TYPE_QUANT | MB_TYPE_L0 | MB_TYPE_CBP | MB_TYPE_ZERO_MV | MB_TYPE_16x16,
307
    MB_TYPE_QUANT | MB_TYPE_L0 | MB_TYPE_CBP,
308
};
309

    
310
static const uint8_t table_mb_btype[11][2] = {
311
    { 3, 5 }, // 0x01 MB_INTRA
312
    { 2, 3 }, // 0x04 MB_BACK
313
    { 3, 3 }, // 0x06 MB_BACK|MB_PAT
314
    { 2, 4 }, // 0x08 MB_FOR
315
    { 3, 4 }, // 0x0A MB_FOR|MB_PAT
316
    { 2, 2 }, // 0x0C MB_FOR|MB_BACK
317
    { 3, 2 }, // 0x0E MB_FOR|MB_BACK|MB_PAT
318
    { 1, 6 }, // 0x11 MB_QUANT|MB_INTRA
319
    { 2, 6 }, // 0x16 MB_QUANT|MB_BACK|MB_PAT
320
    { 3, 6 }, // 0x1A MB_QUANT|MB_FOR|MB_PAT
321
    { 2, 5 }, // 0x1E MB_QUANT|MB_FOR|MB_BACK|MB_PAT
322
};
323

    
324
static const uint32_t btype2mb_type[11] = {
325
                    MB_TYPE_INTRA,
326
                    MB_TYPE_L1,
327
                    MB_TYPE_L1   | MB_TYPE_CBP,
328
                    MB_TYPE_L0,
329
                    MB_TYPE_L0   | MB_TYPE_CBP,
330
                    MB_TYPE_L0L1,
331
                    MB_TYPE_L0L1 | MB_TYPE_CBP,
332
    MB_TYPE_QUANT | MB_TYPE_INTRA,
333
    MB_TYPE_QUANT | MB_TYPE_L1   | MB_TYPE_CBP,
334
    MB_TYPE_QUANT | MB_TYPE_L0   | MB_TYPE_CBP,
335
    MB_TYPE_QUANT | MB_TYPE_L0L1 | MB_TYPE_CBP,
336
};
337

    
338
static const uint8_t mbMotionVectorTable[17][2] = {
339
{ 0x1, 1 },
340
{ 0x1, 2 },
341
{ 0x1, 3 },
342
{ 0x1, 4 },
343
{ 0x3, 6 },
344
{ 0x5, 7 },
345
{ 0x4, 7 },
346
{ 0x3, 7 },
347
{ 0xb, 9 },
348
{ 0xa, 9 },
349
{ 0x9, 9 },
350
{ 0x11, 10 },
351
{ 0x10, 10 },
352
{ 0xf, 10 },
353
{ 0xe, 10 },
354
{ 0xd, 10 },
355
{ 0xc, 10 },
356
};
357

    
358
static const AVRational frame_rate_tab[] = {
359
    {    0,    0},
360
    {24000, 1001},
361
    {   24,    1},
362
    {   25,    1},
363
    {30000, 1001},
364
    {   30,    1},
365
    {   50,    1},
366
    {60000, 1001},
367
    {   60,    1},
368
  // Xing's 15fps: (9)
369
    {   15,    1},
370
  // libmpeg3's "Unofficial economy rates": (10-13)
371
    {    5,    1},
372
    {   10,    1},
373
    {   12,    1},
374
    {   15,    1},
375
    {    0,    0},
376
};
377

    
378
static const uint8_t non_linear_qscale[32] = {
379
    0, 1, 2, 3, 4, 5, 6, 7,
380
    8,10,12,14,16,18,20,22,
381
    24,28,32,36,40,44,48,52,
382
    56,64,72,80,88,96,104,112,
383
};
384

    
385
uint8_t ff_mpeg1_dc_scale_table[128]={ // MN: mpeg2 really can have such large qscales?
386
//  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
387
    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,
388
    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,
389
    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,
390
    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,
391
};
392

    
393
static const float mpeg1_aspect[16]={
394
    0.0000,
395
    1.0000,
396
    0.6735,
397
    0.7031,
398
    
399
    0.7615,
400
    0.8055,
401
    0.8437,
402
    0.8935,
403

    
404
    0.9157,
405
    0.9815,
406
    1.0255,
407
    1.0695,
408

    
409
    1.0950,
410
    1.1575,
411
    1.2015,
412
};
413

    
414
static const AVRational mpeg2_aspect[16]={
415
    {0,1},
416
    {1,1},
417
    {4,3},
418
    {16,9},
419
    {221,100},
420
    {0,1},
421
    {0,1},
422
    {0,1},
423
    {0,1},
424
    {0,1},
425
    {0,1},
426
    {0,1},
427
    {0,1},
428
    {0,1},
429
    {0,1},
430
    {0,1},
431
};
432

    
433
static const uint8_t svcd_scan_offset_placeholder[14]={
434
    0x10, 0x0E,
435
    0x00, 0x80, 0x81,
436
    0x00, 0x80, 0x81,
437
    0xff, 0xff, 0xff,
438
    0xff, 0xff, 0xff,
439
};