1 /*
2 * vlc.h
3 * Copyright (C) 2000-2003 Michel Lespinasse <walken@zoy.org>
4 * Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
5 *
6 * This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
7 * See http://libmpeg2.sourceforge.net/ for updates.
8 *
9 * mpeg2dec is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * mpeg2dec is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 */
23
24 #ifndef LIBMPEG2_VLC_H
25 #define LIBMPEG2_VLC_H
26
27 #define GETWORD(bit_buf,shift,bit_ptr) \
28 do { \
29 bit_buf |= ((bit_ptr[0] << 8) | bit_ptr[1]) << (shift); \
30 bit_ptr += 2; \
31 } while (0)
32
bitstream_init(mpeg2_decoder_t * decoder,const uint8_t * start)33 static inline void bitstream_init (mpeg2_decoder_t * decoder,
34 const uint8_t * start)
35 {
36 decoder->bitstream_buf =
37 (start[0] << 24) | (start[1] << 16) | (start[2] << 8) | start[3];
38 decoder->bitstream_ptr = start + 4;
39 decoder->bitstream_bits = -16;
40 }
41
42 /* make sure that there are at least 16 valid bits in bit_buf */
43 #define NEEDBITS(bit_buf,bits,bit_ptr) \
44 do { \
45 if (unlikely (bits > 0)) { \
46 GETWORD (bit_buf, bits, bit_ptr); \
47 bits -= 16; \
48 } \
49 } while (0)
50
51 /* remove num valid bits from bit_buf */
52 #define DUMPBITS(bit_buf,bits,num) \
53 do { \
54 bit_buf <<= (num); \
55 bits += (num); \
56 } while (0)
57
58 /* take num bits from the high part of bit_buf and zero extend them */
59 #define UBITS(bit_buf,num) (((uint32_t)(bit_buf)) >> (32 - (num)))
60
61 /* take num bits from the high part of bit_buf and sign extend them */
62 #define SBITS(bit_buf,num) (((int32_t)(bit_buf)) >> (32 - (num)))
63
64 typedef struct {
65 uint8_t modes;
66 uint8_t len;
67 } MBtab;
68
69 typedef struct {
70 uint8_t delta;
71 uint8_t len;
72 } MVtab;
73
74 typedef struct {
75 int8_t dmv;
76 uint8_t len;
77 } DMVtab;
78
79 typedef struct {
80 uint8_t cbp;
81 uint8_t len;
82 } CBPtab;
83
84 typedef struct {
85 uint8_t size;
86 uint8_t len;
87 } DCtab;
88
89 typedef struct {
90 uint8_t run;
91 uint8_t level;
92 uint8_t len;
93 } DCTtab;
94
95 typedef struct {
96 uint8_t mba;
97 uint8_t len;
98 } MBAtab;
99
100
101 #define INTRA MACROBLOCK_INTRA
102 #define QUANT MACROBLOCK_QUANT
103
104 static const MBtab MB_I [] = {
105 {INTRA|QUANT, 2}, {INTRA, 1}
106 };
107
108 #define MC MACROBLOCK_MOTION_FORWARD
109 #define CODED MACROBLOCK_PATTERN
110
111 static const MBtab MB_P [] = {
112 {INTRA|QUANT, 6}, {CODED|QUANT, 5}, {MC|CODED|QUANT, 5}, {INTRA, 5},
113 {MC, 3}, {MC, 3}, {MC, 3}, {MC, 3},
114 {CODED, 2}, {CODED, 2}, {CODED, 2}, {CODED, 2},
115 {CODED, 2}, {CODED, 2}, {CODED, 2}, {CODED, 2},
116 {MC|CODED, 1}, {MC|CODED, 1}, {MC|CODED, 1}, {MC|CODED, 1},
117 {MC|CODED, 1}, {MC|CODED, 1}, {MC|CODED, 1}, {MC|CODED, 1},
118 {MC|CODED, 1}, {MC|CODED, 1}, {MC|CODED, 1}, {MC|CODED, 1},
119 {MC|CODED, 1}, {MC|CODED, 1}, {MC|CODED, 1}, {MC|CODED, 1}
120 };
121
122 #define FWD MACROBLOCK_MOTION_FORWARD
123 #define BWD MACROBLOCK_MOTION_BACKWARD
124 #define INTER MACROBLOCK_MOTION_FORWARD|MACROBLOCK_MOTION_BACKWARD
125
126 static const MBtab MB_B [] = {
127 {0, 6}, {INTRA|QUANT, 6},
128 {BWD|CODED|QUANT, 6}, {FWD|CODED|QUANT, 6},
129 {INTER|CODED|QUANT, 5}, {INTER|CODED|QUANT, 5},
130 {INTRA, 5}, {INTRA, 5},
131 {FWD, 4}, {FWD, 4}, {FWD, 4}, {FWD, 4},
132 {FWD|CODED, 4}, {FWD|CODED, 4}, {FWD|CODED, 4}, {FWD|CODED, 4},
133 {BWD, 3}, {BWD, 3}, {BWD, 3}, {BWD, 3},
134 {BWD, 3}, {BWD, 3}, {BWD, 3}, {BWD, 3},
135 {BWD|CODED, 3}, {BWD|CODED, 3}, {BWD|CODED, 3}, {BWD|CODED, 3},
136 {BWD|CODED, 3}, {BWD|CODED, 3}, {BWD|CODED, 3}, {BWD|CODED, 3},
137 {INTER, 2}, {INTER, 2}, {INTER, 2}, {INTER, 2},
138 {INTER, 2}, {INTER, 2}, {INTER, 2}, {INTER, 2},
139 {INTER, 2}, {INTER, 2}, {INTER, 2}, {INTER, 2},
140 {INTER, 2}, {INTER, 2}, {INTER, 2}, {INTER, 2},
141 {INTER|CODED, 2}, {INTER|CODED, 2}, {INTER|CODED, 2}, {INTER|CODED, 2},
142 {INTER|CODED, 2}, {INTER|CODED, 2}, {INTER|CODED, 2}, {INTER|CODED, 2},
143 {INTER|CODED, 2}, {INTER|CODED, 2}, {INTER|CODED, 2}, {INTER|CODED, 2},
144 {INTER|CODED, 2}, {INTER|CODED, 2}, {INTER|CODED, 2}, {INTER|CODED, 2}
145 };
146
147 #undef INTRA
148 #undef QUANT
149 #undef MC
150 #undef CODED
151 #undef FWD
152 #undef BWD
153 #undef INTER
154
155
156 static const MVtab MV_4 [] = {
157 { 3, 6}, { 2, 4}, { 1, 3}, { 1, 3}, { 0, 2}, { 0, 2}, { 0, 2}, { 0, 2}
158 };
159
160 static const MVtab MV_10 [] = {
161 { 0,10}, { 0,10}, { 0,10}, { 0,10}, { 0,10}, { 0,10}, { 0,10}, { 0,10},
162 { 0,10}, { 0,10}, { 0,10}, { 0,10}, {15,10}, {14,10}, {13,10}, {12,10},
163 {11,10}, {10,10}, { 9, 9}, { 9, 9}, { 8, 9}, { 8, 9}, { 7, 9}, { 7, 9},
164 { 6, 7}, { 6, 7}, { 6, 7}, { 6, 7}, { 6, 7}, { 6, 7}, { 6, 7}, { 6, 7},
165 { 5, 7}, { 5, 7}, { 5, 7}, { 5, 7}, { 5, 7}, { 5, 7}, { 5, 7}, { 5, 7},
166 { 4, 7}, { 4, 7}, { 4, 7}, { 4, 7}, { 4, 7}, { 4, 7}, { 4, 7}, { 4, 7}
167 };
168
169
170 static const DMVtab DMV_2 [] = {
171 { 0, 1}, { 0, 1}, { 1, 2}, {-1, 2}
172 };
173
174
175 static const CBPtab CBP_7 [] = {
176 {0x11, 7}, {0x12, 7}, {0x14, 7}, {0x18, 7},
177 {0x21, 7}, {0x22, 7}, {0x24, 7}, {0x28, 7},
178 {0x3f, 6}, {0x3f, 6}, {0x30, 6}, {0x30, 6},
179 {0x09, 6}, {0x09, 6}, {0x06, 6}, {0x06, 6},
180 {0x1f, 5}, {0x1f, 5}, {0x1f, 5}, {0x1f, 5},
181 {0x10, 5}, {0x10, 5}, {0x10, 5}, {0x10, 5},
182 {0x2f, 5}, {0x2f, 5}, {0x2f, 5}, {0x2f, 5},
183 {0x20, 5}, {0x20, 5}, {0x20, 5}, {0x20, 5},
184 {0x07, 5}, {0x07, 5}, {0x07, 5}, {0x07, 5},
185 {0x0b, 5}, {0x0b, 5}, {0x0b, 5}, {0x0b, 5},
186 {0x0d, 5}, {0x0d, 5}, {0x0d, 5}, {0x0d, 5},
187 {0x0e, 5}, {0x0e, 5}, {0x0e, 5}, {0x0e, 5},
188 {0x05, 5}, {0x05, 5}, {0x05, 5}, {0x05, 5},
189 {0x0a, 5}, {0x0a, 5}, {0x0a, 5}, {0x0a, 5},
190 {0x03, 5}, {0x03, 5}, {0x03, 5}, {0x03, 5},
191 {0x0c, 5}, {0x0c, 5}, {0x0c, 5}, {0x0c, 5},
192 {0x01, 4}, {0x01, 4}, {0x01, 4}, {0x01, 4},
193 {0x01, 4}, {0x01, 4}, {0x01, 4}, {0x01, 4},
194 {0x02, 4}, {0x02, 4}, {0x02, 4}, {0x02, 4},
195 {0x02, 4}, {0x02, 4}, {0x02, 4}, {0x02, 4},
196 {0x04, 4}, {0x04, 4}, {0x04, 4}, {0x04, 4},
197 {0x04, 4}, {0x04, 4}, {0x04, 4}, {0x04, 4},
198 {0x08, 4}, {0x08, 4}, {0x08, 4}, {0x08, 4},
199 {0x08, 4}, {0x08, 4}, {0x08, 4}, {0x08, 4},
200 {0x0f, 3}, {0x0f, 3}, {0x0f, 3}, {0x0f, 3},
201 {0x0f, 3}, {0x0f, 3}, {0x0f, 3}, {0x0f, 3},
202 {0x0f, 3}, {0x0f, 3}, {0x0f, 3}, {0x0f, 3},
203 {0x0f, 3}, {0x0f, 3}, {0x0f, 3}, {0x0f, 3}
204 };
205
206 static const CBPtab CBP_9 [] = {
207 {0, 9}, {0x00, 9}, {0x39, 9}, {0x36, 9},
208 {0x37, 9}, {0x3b, 9}, {0x3d, 9}, {0x3e, 9},
209 {0x17, 8}, {0x17, 8}, {0x1b, 8}, {0x1b, 8},
210 {0x1d, 8}, {0x1d, 8}, {0x1e, 8}, {0x1e, 8},
211 {0x27, 8}, {0x27, 8}, {0x2b, 8}, {0x2b, 8},
212 {0x2d, 8}, {0x2d, 8}, {0x2e, 8}, {0x2e, 8},
213 {0x19, 8}, {0x19, 8}, {0x16, 8}, {0x16, 8},
214 {0x29, 8}, {0x29, 8}, {0x26, 8}, {0x26, 8},
215 {0x35, 8}, {0x35, 8}, {0x3a, 8}, {0x3a, 8},
216 {0x33, 8}, {0x33, 8}, {0x3c, 8}, {0x3c, 8},
217 {0x15, 8}, {0x15, 8}, {0x1a, 8}, {0x1a, 8},
218 {0x13, 8}, {0x13, 8}, {0x1c, 8}, {0x1c, 8},
219 {0x25, 8}, {0x25, 8}, {0x2a, 8}, {0x2a, 8},
220 {0x23, 8}, {0x23, 8}, {0x2c, 8}, {0x2c, 8},
221 {0x31, 8}, {0x31, 8}, {0x32, 8}, {0x32, 8},
222 {0x34, 8}, {0x34, 8}, {0x38, 8}, {0x38, 8}
223 };
224
225
226 static const DCtab DC_lum_5 [] = {
227 {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2},
228 {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2},
229 {0, 3}, {0, 3}, {0, 3}, {0, 3}, {3, 3}, {3, 3}, {3, 3}, {3, 3},
230 {4, 3}, {4, 3}, {4, 3}, {4, 3}, {5, 4}, {5, 4}, {6, 5}
231 };
232
233 static const DCtab DC_chrom_5 [] = {
234 {0, 2}, {0, 2}, {0, 2}, {0, 2}, {0, 2}, {0, 2}, {0, 2}, {0, 2},
235 {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2},
236 {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2},
237 {3, 3}, {3, 3}, {3, 3}, {3, 3}, {4, 4}, {4, 4}, {5, 5}
238 };
239
240 static const DCtab DC_long [] = {
241 {6, 5}, {6, 5}, {6, 5}, {6, 5}, {6, 5}, {6, 5}, { 6, 5}, { 6, 5},
242 {6, 5}, {6, 5}, {6, 5}, {6, 5}, {6, 5}, {6, 5}, { 6, 5}, { 6, 5},
243 {7, 6}, {7, 6}, {7, 6}, {7, 6}, {7, 6}, {7, 6}, { 7, 6}, { 7, 6},
244 {8, 7}, {8, 7}, {8, 7}, {8, 7}, {9, 8}, {9, 8}, {10, 9}, {11, 9}
245 };
246
247
248 static const DCTtab DCT_16 [] = {
249 {129, 0, 0}, {129, 0, 0}, {129, 0, 0}, {129, 0, 0},
250 {129, 0, 0}, {129, 0, 0}, {129, 0, 0}, {129, 0, 0},
251 {129, 0, 0}, {129, 0, 0}, {129, 0, 0}, {129, 0, 0},
252 {129, 0, 0}, {129, 0, 0}, {129, 0, 0}, {129, 0, 0},
253 { 2,18, 0}, { 2,17, 0}, { 2,16, 0}, { 2,15, 0},
254 { 7, 3, 0}, { 17, 2, 0}, { 16, 2, 0}, { 15, 2, 0},
255 { 14, 2, 0}, { 13, 2, 0}, { 12, 2, 0}, { 32, 1, 0},
256 { 31, 1, 0}, { 30, 1, 0}, { 29, 1, 0}, { 28, 1, 0}
257 };
258
259 static const DCTtab DCT_15 [] = {
260 { 1,40,15}, { 1,39,15}, { 1,38,15}, { 1,37,15},
261 { 1,36,15}, { 1,35,15}, { 1,34,15}, { 1,33,15},
262 { 1,32,15}, { 2,14,15}, { 2,13,15}, { 2,12,15},
263 { 2,11,15}, { 2,10,15}, { 2, 9,15}, { 2, 8,15},
264 { 1,31,14}, { 1,31,14}, { 1,30,14}, { 1,30,14},
265 { 1,29,14}, { 1,29,14}, { 1,28,14}, { 1,28,14},
266 { 1,27,14}, { 1,27,14}, { 1,26,14}, { 1,26,14},
267 { 1,25,14}, { 1,25,14}, { 1,24,14}, { 1,24,14},
268 { 1,23,14}, { 1,23,14}, { 1,22,14}, { 1,22,14},
269 { 1,21,14}, { 1,21,14}, { 1,20,14}, { 1,20,14},
270 { 1,19,14}, { 1,19,14}, { 1,18,14}, { 1,18,14},
271 { 1,17,14}, { 1,17,14}, { 1,16,14}, { 1,16,14}
272 };
273
274 static const DCTtab DCT_13 [] = {
275 { 11, 2,13}, { 10, 2,13}, { 6, 3,13}, { 4, 4,13},
276 { 3, 5,13}, { 2, 7,13}, { 2, 6,13}, { 1,15,13},
277 { 1,14,13}, { 1,13,13}, { 1,12,13}, { 27, 1,13},
278 { 26, 1,13}, { 25, 1,13}, { 24, 1,13}, { 23, 1,13},
279 { 1,11,12}, { 1,11,12}, { 9, 2,12}, { 9, 2,12},
280 { 5, 3,12}, { 5, 3,12}, { 1,10,12}, { 1,10,12},
281 { 3, 4,12}, { 3, 4,12}, { 8, 2,12}, { 8, 2,12},
282 { 22, 1,12}, { 22, 1,12}, { 21, 1,12}, { 21, 1,12},
283 { 1, 9,12}, { 1, 9,12}, { 20, 1,12}, { 20, 1,12},
284 { 19, 1,12}, { 19, 1,12}, { 2, 5,12}, { 2, 5,12},
285 { 4, 3,12}, { 4, 3,12}, { 1, 8,12}, { 1, 8,12},
286 { 7, 2,12}, { 7, 2,12}, { 18, 1,12}, { 18, 1,12}
287 };
288
289 static const DCTtab DCT_B14_10 [] = {
290 { 17, 1,10}, { 6, 2,10}, { 1, 7,10}, { 3, 3,10},
291 { 2, 4,10}, { 16, 1,10}, { 15, 1,10}, { 5, 2,10}
292 };
293
294 static const DCTtab DCT_B14_8 [] = {
295 { 65, 0,12}, { 65, 0,12}, { 65, 0,12}, { 65, 0,12},
296 { 3, 2, 7}, { 3, 2, 7}, { 10, 1, 7}, { 10, 1, 7},
297 { 1, 4, 7}, { 1, 4, 7}, { 9, 1, 7}, { 9, 1, 7},
298 { 8, 1, 6}, { 8, 1, 6}, { 8, 1, 6}, { 8, 1, 6},
299 { 7, 1, 6}, { 7, 1, 6}, { 7, 1, 6}, { 7, 1, 6},
300 { 2, 2, 6}, { 2, 2, 6}, { 2, 2, 6}, { 2, 2, 6},
301 { 6, 1, 6}, { 6, 1, 6}, { 6, 1, 6}, { 6, 1, 6},
302 { 14, 1, 8}, { 1, 6, 8}, { 13, 1, 8}, { 12, 1, 8},
303 { 4, 2, 8}, { 2, 3, 8}, { 1, 5, 8}, { 11, 1, 8}
304 };
305
306 static const DCTtab DCT_B14AC_5 [] = {
307 { 1, 3, 5}, { 5, 1, 5}, { 4, 1, 5},
308 { 1, 2, 4}, { 1, 2, 4}, { 3, 1, 4}, { 3, 1, 4},
309 { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3},
310 {129, 0, 2}, {129, 0, 2}, {129, 0, 2}, {129, 0, 2},
311 {129, 0, 2}, {129, 0, 2}, {129, 0, 2}, {129, 0, 2},
312 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
313 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}
314 };
315
316 static const DCTtab DCT_B14DC_5 [] = {
317 { 1, 3, 5}, { 5, 1, 5}, { 4, 1, 5},
318 { 1, 2, 4}, { 1, 2, 4}, { 3, 1, 4}, { 3, 1, 4},
319 { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3},
320 { 1, 1, 1}, { 1, 1, 1}, { 1, 1, 1}, { 1, 1, 1},
321 { 1, 1, 1}, { 1, 1, 1}, { 1, 1, 1}, { 1, 1, 1},
322 { 1, 1, 1}, { 1, 1, 1}, { 1, 1, 1}, { 1, 1, 1},
323 { 1, 1, 1}, { 1, 1, 1}, { 1, 1, 1}, { 1, 1, 1}
324 };
325
326 static const DCTtab DCT_B15_10 [] = {
327 { 6, 2, 9}, { 6, 2, 9}, { 15, 1, 9}, { 15, 1, 9},
328 { 3, 4,10}, { 17, 1,10}, { 16, 1, 9}, { 16, 1, 9}
329 };
330
331 static const DCTtab DCT_B15_8 [] = {
332 { 65, 0,12}, { 65, 0,12}, { 65, 0,12}, { 65, 0,12},
333 { 8, 1, 7}, { 8, 1, 7}, { 9, 1, 7}, { 9, 1, 7},
334 { 7, 1, 7}, { 7, 1, 7}, { 3, 2, 7}, { 3, 2, 7},
335 { 1, 7, 6}, { 1, 7, 6}, { 1, 7, 6}, { 1, 7, 6},
336 { 1, 6, 6}, { 1, 6, 6}, { 1, 6, 6}, { 1, 6, 6},
337 { 5, 1, 6}, { 5, 1, 6}, { 5, 1, 6}, { 5, 1, 6},
338 { 6, 1, 6}, { 6, 1, 6}, { 6, 1, 6}, { 6, 1, 6},
339 { 2, 5, 8}, { 12, 1, 8}, { 1,11, 8}, { 1,10, 8},
340 { 14, 1, 8}, { 13, 1, 8}, { 4, 2, 8}, { 2, 4, 8},
341 { 3, 1, 5}, { 3, 1, 5}, { 3, 1, 5}, { 3, 1, 5},
342 { 3, 1, 5}, { 3, 1, 5}, { 3, 1, 5}, { 3, 1, 5},
343 { 2, 2, 5}, { 2, 2, 5}, { 2, 2, 5}, { 2, 2, 5},
344 { 2, 2, 5}, { 2, 2, 5}, { 2, 2, 5}, { 2, 2, 5},
345 { 4, 1, 5}, { 4, 1, 5}, { 4, 1, 5}, { 4, 1, 5},
346 { 4, 1, 5}, { 4, 1, 5}, { 4, 1, 5}, { 4, 1, 5},
347 { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3},
348 { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3},
349 { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3},
350 { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3},
351 { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3},
352 { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3},
353 { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3},
354 { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3}, { 2, 1, 3},
355 {129, 0, 4}, {129, 0, 4}, {129, 0, 4}, {129, 0, 4},
356 {129, 0, 4}, {129, 0, 4}, {129, 0, 4}, {129, 0, 4},
357 {129, 0, 4}, {129, 0, 4}, {129, 0, 4}, {129, 0, 4},
358 {129, 0, 4}, {129, 0, 4}, {129, 0, 4}, {129, 0, 4},
359 { 1, 3, 4}, { 1, 3, 4}, { 1, 3, 4}, { 1, 3, 4},
360 { 1, 3, 4}, { 1, 3, 4}, { 1, 3, 4}, { 1, 3, 4},
361 { 1, 3, 4}, { 1, 3, 4}, { 1, 3, 4}, { 1, 3, 4},
362 { 1, 3, 4}, { 1, 3, 4}, { 1, 3, 4}, { 1, 3, 4},
363 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
364 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
365 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
366 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
367 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
368 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
369 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
370 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
371 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
372 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
373 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
374 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
375 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
376 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
377 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
378 { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2}, { 1, 1, 2},
379 { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3},
380 { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3},
381 { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3},
382 { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3},
383 { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3},
384 { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3},
385 { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3},
386 { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3}, { 1, 2, 3},
387 { 1, 4, 5}, { 1, 4, 5}, { 1, 4, 5}, { 1, 4, 5},
388 { 1, 4, 5}, { 1, 4, 5}, { 1, 4, 5}, { 1, 4, 5},
389 { 1, 5, 5}, { 1, 5, 5}, { 1, 5, 5}, { 1, 5, 5},
390 { 1, 5, 5}, { 1, 5, 5}, { 1, 5, 5}, { 1, 5, 5},
391 { 10, 1, 7}, { 10, 1, 7}, { 2, 3, 7}, { 2, 3, 7},
392 { 11, 1, 7}, { 11, 1, 7}, { 1, 8, 7}, { 1, 8, 7},
393 { 1, 9, 7}, { 1, 9, 7}, { 1,12, 8}, { 1,13, 8},
394 { 3, 3, 8}, { 5, 2, 8}, { 1,14, 8}, { 1,15, 8}
395 };
396
397
398 static const MBAtab MBA_5 [] = {
399 {6, 5}, {5, 5}, {4, 4}, {4, 4}, {3, 4}, {3, 4},
400 {2, 3}, {2, 3}, {2, 3}, {2, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3},
401 {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1},
402 {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}
403 };
404
405 static const MBAtab MBA_11 [] = {
406 {32, 11}, {31, 11}, {30, 11}, {29, 11},
407 {28, 11}, {27, 11}, {26, 11}, {25, 11},
408 {24, 11}, {23, 11}, {22, 11}, {21, 11},
409 {20, 10}, {20, 10}, {19, 10}, {19, 10},
410 {18, 10}, {18, 10}, {17, 10}, {17, 10},
411 {16, 10}, {16, 10}, {15, 10}, {15, 10},
412 {14, 8}, {14, 8}, {14, 8}, {14, 8},
413 {14, 8}, {14, 8}, {14, 8}, {14, 8},
414 {13, 8}, {13, 8}, {13, 8}, {13, 8},
415 {13, 8}, {13, 8}, {13, 8}, {13, 8},
416 {12, 8}, {12, 8}, {12, 8}, {12, 8},
417 {12, 8}, {12, 8}, {12, 8}, {12, 8},
418 {11, 8}, {11, 8}, {11, 8}, {11, 8},
419 {11, 8}, {11, 8}, {11, 8}, {11, 8},
420 {10, 8}, {10, 8}, {10, 8}, {10, 8},
421 {10, 8}, {10, 8}, {10, 8}, {10, 8},
422 { 9, 8}, { 9, 8}, { 9, 8}, { 9, 8},
423 { 9, 8}, { 9, 8}, { 9, 8}, { 9, 8},
424 { 8, 7}, { 8, 7}, { 8, 7}, { 8, 7},
425 { 8, 7}, { 8, 7}, { 8, 7}, { 8, 7},
426 { 8, 7}, { 8, 7}, { 8, 7}, { 8, 7},
427 { 8, 7}, { 8, 7}, { 8, 7}, { 8, 7},
428 { 7, 7}, { 7, 7}, { 7, 7}, { 7, 7},
429 { 7, 7}, { 7, 7}, { 7, 7}, { 7, 7},
430 { 7, 7}, { 7, 7}, { 7, 7}, { 7, 7},
431 { 7, 7}, { 7, 7}, { 7, 7}, { 7, 7}
432 };
433
434 #endif /* LIBMPEG2_VLC_H */
435