libmpeg2/vlc.h

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