libmpeg3/video/vlc.c

   1 // FIXME: vlc.h redefines ERROR to 99 if and only if error is defined.
   2 #define ERROR
   3
   4 #include "mpeg3private.h"
   5 #include "mpeg3protos.h"
   6 #include "vlc.h"
   7
   8 /* variable length code tables                                    */
   9
  10 /* Table B-3, mb_type in P-pictures, codes 001..1xx */
  11 mpeg3_VLCtab_t mpeg3_PMBtab0[8] = {
  12   {ERROR,0},
  13   {MB_FORWARD,3},
  14   {MB_PATTERN,2}, {MB_PATTERN,2},
  15   {MB_FORWARD|MB_PATTERN,1}, {MB_FORWARD|MB_PATTERN,1},
  16   {MB_FORWARD|MB_PATTERN,1}, {MB_FORWARD|MB_PATTERN,1}
  17 };
  18
  19 /* Table B-3, mb_type in P-pictures, codes 000001..00011x */
  20 mpeg3_VLCtab_t mpeg3_PMBtab1[8] = {
  21   {ERROR,0},
  22   {MB_QUANT|MB_INTRA,6},
  23   {MB_QUANT|MB_PATTERN,5}, {MB_QUANT|MB_PATTERN,5},
  24   {MB_QUANT|MB_FORWARD|MB_PATTERN,5}, {MB_QUANT|MB_FORWARD|MB_PATTERN,5},
  25   {MB_INTRA,5}, {MB_INTRA,5}
  26 };
  27
  28 /* Table B-4, mb_type in B-pictures, codes 0010..11xx */
  29 mpeg3_VLCtab_t mpeg3_BMBtab0[16] = {
  30   {ERROR,0}, {ERROR,0},
  31   {MB_FORWARD,4},
  32   {MB_FORWARD|MB_PATTERN,4},
  33   {MB_BACKWARD,3}, {MB_BACKWARD,3},
  34   {MB_BACKWARD|MB_PATTERN,3}, {MB_BACKWARD|MB_PATTERN,3},
  35   {MB_FORWARD|MB_BACKWARD,2}, {MB_FORWARD|MB_BACKWARD,2},
  36   {MB_FORWARD|MB_BACKWARD,2}, {MB_FORWARD|MB_BACKWARD,2},
  37   {MB_FORWARD|MB_BACKWARD|MB_PATTERN,2},
  38   {MB_FORWARD|MB_BACKWARD|MB_PATTERN,2},
  39   {MB_FORWARD|MB_BACKWARD|MB_PATTERN,2},
  40   {MB_FORWARD|MB_BACKWARD|MB_PATTERN,2}
  41 };
  42
  43 /* Table B-4, mb_type in B-pictures, codes 000001..00011x */
  44 mpeg3_VLCtab_t mpeg3_BMBtab1[8] = {
  45   {ERROR,0},
  46   {MB_QUANT|MB_INTRA,6},
  47   {MB_QUANT|MB_BACKWARD|MB_PATTERN,6},
  48   {MB_QUANT|MB_FORWARD|MB_PATTERN,6},
  49   {MB_QUANT|MB_FORWARD|MB_BACKWARD|MB_PATTERN,5},
  50   {MB_QUANT|MB_FORWARD|MB_BACKWARD|MB_PATTERN,5},
  51   {MB_INTRA,5}, {MB_INTRA,5}
  52 };
  53
  54 /* Table B-5, mb_type in spat. scal. I-pictures, codes 0001..1xxx */
  55 mpeg3_VLCtab_t mpeg3_spIMBtab[16] = {
  56   {ERROR,0},
  57   {MB_CLASS4,4},
  58   {MB_QUANT|MB_INTRA,4},
  59   {MB_INTRA,4},
  60   {MB_CLASS4|MB_QUANT|MB_PATTERN,2}, {MB_CLASS4|MB_QUANT|MB_PATTERN,2},
  61   {MB_CLASS4|MB_QUANT|MB_PATTERN,2}, {MB_CLASS4|MB_QUANT|MB_PATTERN,2},
  62   {MB_CLASS4|MB_PATTERN,1}, {MB_CLASS4|MB_PATTERN,1},
  63   {MB_CLASS4|MB_PATTERN,1}, {MB_CLASS4|MB_PATTERN,1},
  64   {MB_CLASS4|MB_PATTERN,1}, {MB_CLASS4|MB_PATTERN,1},
  65   {MB_CLASS4|MB_PATTERN,1}, {MB_CLASS4|MB_PATTERN,1}
  66 };
  67
  68 /* Table B-6, mb_type in spat. scal. P-pictures, codes 0010..11xx */
  69 mpeg3_VLCtab_t mpeg3_spPMBtab0[16] =
  70 {
  71   {ERROR,0},{ERROR,0},
  72   {MB_FORWARD,4},
  73   {MB_WEIGHT|MB_FORWARD,4},
  74   {MB_QUANT|MB_FORWARD|MB_PATTERN,3}, {MB_QUANT|MB_FORWARD|MB_PATTERN,3},
  75   {MB_WEIGHT|MB_FORWARD|MB_PATTERN,3}, {MB_WEIGHT|MB_FORWARD|MB_PATTERN,3},
  76   {MB_FORWARD|MB_PATTERN,2}, {MB_FORWARD|MB_PATTERN,2},
  77   {MB_FORWARD|MB_PATTERN,2}, {MB_FORWARD|MB_PATTERN,2},
  78   {MB_WEIGHT|MB_QUANT|MB_FORWARD|MB_PATTERN,2},
  79   {MB_WEIGHT|MB_QUANT|MB_FORWARD|MB_PATTERN,2},
  80   {MB_WEIGHT|MB_QUANT|MB_FORWARD|MB_PATTERN,2},
  81   {MB_WEIGHT|MB_QUANT|MB_FORWARD|MB_PATTERN,2}
  82 };
  83
  84 /* Table B-6, mb_type in spat. scal. P-pictures, codes 0000010..000111x */
  85 mpeg3_VLCtab_t mpeg3_spPMBtab1[16] = {
  86   {ERROR,0},{ERROR,0},
  87   {MB_CLASS4|MB_QUANT|MB_PATTERN,7},
  88   {MB_CLASS4,7},
  89   {MB_PATTERN,7},
  90   {MB_CLASS4|MB_PATTERN,7},
  91   {MB_QUANT|MB_INTRA,7},
  92   {MB_INTRA,7},
  93   {MB_QUANT|MB_PATTERN,6}, {MB_QUANT|MB_PATTERN,6},
  94   {MB_WEIGHT|MB_QUANT|MB_PATTERN,6}, {MB_WEIGHT|MB_QUANT|MB_PATTERN,6},
  95   {MB_WEIGHT,6}, {MB_WEIGHT,6},
  96   {MB_WEIGHT|MB_PATTERN,6}, {MB_WEIGHT|MB_PATTERN,6}
  97 };
  98
  99 /* Table B-7, mb_type in spat. scal. B-pictures, codes 0010..11xx */
 100 mpeg3_VLCtab_t mpeg3_spBMBtab0[14] = {
 101   {MB_FORWARD,4},
 102   {MB_FORWARD|MB_PATTERN,4},
 103   {MB_BACKWARD,3}, {MB_BACKWARD,3},
 104   {MB_BACKWARD|MB_PATTERN,3}, {MB_BACKWARD|MB_PATTERN,3},
 105   {MB_FORWARD|MB_BACKWARD,2}, {MB_FORWARD|MB_BACKWARD,2},
 106   {MB_FORWARD|MB_BACKWARD,2}, {MB_FORWARD|MB_BACKWARD,2},
 107   {MB_FORWARD|MB_BACKWARD|MB_PATTERN,2},
 108   {MB_FORWARD|MB_BACKWARD|MB_PATTERN,2},
 109   {MB_FORWARD|MB_BACKWARD|MB_PATTERN,2},
 110   {MB_FORWARD|MB_BACKWARD|MB_PATTERN,2}
 111 };
 112
 113 /* Table B-7, mb_type in spat. scal. B-pictures, codes 0000100..000111x */
 114 mpeg3_VLCtab_t mpeg3_spBMBtab1[12] = {
 115   {MB_QUANT|MB_FORWARD|MB_PATTERN,7},
 116   {MB_QUANT|MB_BACKWARD|MB_PATTERN,7},
 117   {MB_INTRA,7},
 118   {MB_QUANT|MB_FORWARD|MB_BACKWARD|MB_PATTERN,7},
 119   {MB_WEIGHT|MB_FORWARD,6}, {MB_WEIGHT|MB_FORWARD,6},
 120   {MB_WEIGHT|MB_FORWARD|MB_PATTERN,6}, {MB_WEIGHT|MB_FORWARD|MB_PATTERN,6},
 121   {MB_WEIGHT|MB_BACKWARD,6}, {MB_WEIGHT|MB_BACKWARD,6},
 122   {MB_WEIGHT|MB_BACKWARD|MB_PATTERN,6}, {MB_WEIGHT|MB_BACKWARD|MB_PATTERN,6}
 123 };
 124
 125 /* Table B-7, mb_type in spat. scal. B-pictures, codes 00000100x..000001111 */
 126 mpeg3_VLCtab_t mpeg3_spBMBtab2[8] = {
 127   {MB_QUANT|MB_INTRA,8}, {MB_QUANT|MB_INTRA,8},
 128   {MB_WEIGHT|MB_QUANT|MB_FORWARD|MB_PATTERN,8},
 129   {MB_WEIGHT|MB_QUANT|MB_FORWARD|MB_PATTERN,8},
 130   {MB_WEIGHT|MB_QUANT|MB_BACKWARD|MB_PATTERN,9},
 131   {MB_CLASS4|MB_QUANT|MB_PATTERN,9},
 132   {MB_CLASS4,9},
 133   {MB_CLASS4|MB_PATTERN,9}
 134 };
 135
 136 /* Table B-8, mb_type in spat. scal. B-pictures, codes 001..1xx */
 137 mpeg3_VLCtab_t mpeg3_SNRMBtab[8] = {
 138   {ERROR,0},
 139   {0,3},
 140   {MB_QUANT|MB_PATTERN,2}, {MB_QUANT|MB_PATTERN,2},
 141   {MB_PATTERN,1}, {MB_PATTERN,1}, {MB_PATTERN,1}, {MB_PATTERN,1}
 142 };
 143
 144 /* Table B-10, motion_code, codes 0001 ... 01xx */
 145 mpeg3_VLCtab_t mpeg3_MVtab0[8] =
 146 { {ERROR,0}, {3,3}, {2,2}, {2,2}, {1,1}, {1,1}, {1,1}, {1,1}
 147 };
 148
 149 /* Table B-10, motion_code, codes 0000011 ... 000011x */
 150 mpeg3_VLCtab_t mpeg3_MVtab1[8] =
 151 { {ERROR,0}, {ERROR,0}, {ERROR,0}, {7,6}, {6,6}, {5,6}, {4,5}, {4,5}
 152 };
 153
 154 /* Table B-10, motion_code, codes 0000001100 ... 000001011x */
 155 mpeg3_VLCtab_t mpeg3_MVtab2[12] =
 156 { {16,9}, {15,9}, {14,9}, {13,9},
 157   {12,9}, {11,9}, {10,8}, {10,8},
 158   {9,8},  {9,8},  {8,8},  {8,8}
 159 };
 160
 161 /* Table B-9, coded_block_pattern, codes 01000 ... 111xx */
 162 mpeg3_VLCtab_t mpeg3_CBPtab0[32] =
 163 { {ERROR,0}, {ERROR,0}, {ERROR,0}, {ERROR,0},
 164   {ERROR,0}, {ERROR,0}, {ERROR,0}, {ERROR,0},
 165   {62,5}, {2,5},  {61,5}, {1,5},  {56,5}, {52,5}, {44,5}, {28,5},
 166   {40,5}, {20,5}, {48,5}, {12,5}, {32,4}, {32,4}, {16,4}, {16,4},
 167   {8,4},  {8,4},  {4,4},  {4,4},  {60,3}, {60,3}, {60,3}, {60,3}
 168 };
 169
 170 /* Table B-9, coded_block_pattern, codes 00000100 ... 001111xx */
 171 mpeg3_VLCtab_t mpeg3_CBPtab1[64] =
 172 { {ERROR,0}, {ERROR,0}, {ERROR,0}, {ERROR,0},
 173   {58,8}, {54,8}, {46,8}, {30,8},
 174   {57,8}, {53,8}, {45,8}, {29,8}, {38,8}, {26,8}, {37,8}, {25,8},
 175   {43,8}, {23,8}, {51,8}, {15,8}, {42,8}, {22,8}, {50,8}, {14,8},
 176   {41,8}, {21,8}, {49,8}, {13,8}, {35,8}, {19,8}, {11,8}, {7,8},
 177   {34,7}, {34,7}, {18,7}, {18,7}, {10,7}, {10,7}, {6,7},  {6,7},
 178   {33,7}, {33,7}, {17,7}, {17,7}, {9,7},  {9,7},  {5,7},  {5,7},
 179   {63,6}, {63,6}, {63,6}, {63,6}, {3,6},  {3,6},  {3,6},  {3,6},
 180   {36,6}, {36,6}, {36,6}, {36,6}, {24,6}, {24,6}, {24,6}, {24,6}
 181 };
 182
 183 /* Table B-9, coded_block_pattern, codes 000000001 ... 000000111 */
 184 mpeg3_VLCtab_t mpeg3_CBPtab2[8] =
 185 { {ERROR,0}, {0,9}, {39,9}, {27,9}, {59,9}, {55,9}, {47,9}, {31,9}
 186 };
 187
 188 /* Table B-1, macroblock_address_increment, codes 00010 ... 011xx */
 189 mpeg3_VLCtab_t mpeg3_MBAtab1[16] =
 190 { {ERROR,0}, {ERROR,0}, {7,5}, {6,5}, {5,4}, {5,4}, {4,4}, {4,4},
 191   {3,3}, {3,3}, {3,3}, {3,3}, {2,3}, {2,3}, {2,3}, {2,3}
 192 };
 193
 194 /* Table B-1, macroblock_address_increment, codes 00000011000 ... 0000111xxxx */
 195 mpeg3_VLCtab_t mpeg3_MBAtab2[104] =
 196 {
 197   {33,11}, {32,11}, {31,11}, {30,11}, {29,11}, {28,11}, {27,11}, {26,11},
 198   {25,11}, {24,11}, {23,11}, {22,11}, {21,10}, {21,10}, {20,10}, {20,10},
 199   {19,10}, {19,10}, {18,10}, {18,10}, {17,10}, {17,10}, {16,10}, {16,10},
 200   {15,8},  {15,8},  {15,8},  {15,8},  {15,8},  {15,8},  {15,8},  {15,8},
 201   {14,8},  {14,8},  {14,8},  {14,8},  {14,8},  {14,8},  {14,8},  {14,8},
 202   {13,8},  {13,8},  {13,8},  {13,8},  {13,8},  {13,8},  {13,8},  {13,8},
 203   {12,8},  {12,8},  {12,8},  {12,8},  {12,8},  {12,8},  {12,8},  {12,8},
 204   {11,8},  {11,8},  {11,8},  {11,8},  {11,8},  {11,8},  {11,8},  {11,8},
 205   {10,8},  {10,8},  {10,8},  {10,8},  {10,8},  {10,8},  {10,8},  {10,8},
 206   {9,7},   {9,7},   {9,7},   {9,7},   {9,7},   {9,7},   {9,7},   {9,7},
 207   {9,7},   {9,7},   {9,7},   {9,7},   {9,7},   {9,7},   {9,7},   {9,7},
 208   {8,7},   {8,7},   {8,7},   {8,7},   {8,7},   {8,7},   {8,7},   {8,7},
 209   {8,7},   {8,7},   {8,7},   {8,7},   {8,7},   {8,7},   {8,7},   {8,7}
 210 };
 211
 212 /* Table B-12, dct_dc_size_luminance, codes 00xxx ... 11110 */
 213 mpeg3_VLCtab_t mpeg3_DClumtab0[32] =
 214 { {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2},
 215   {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2},
 216   {0, 3}, {0, 3}, {0, 3}, {0, 3}, {3, 3}, {3, 3}, {3, 3}, {3, 3},
 217   {4, 3}, {4, 3}, {4, 3}, {4, 3}, {5, 4}, {5, 4}, {6, 5}, {ERROR, 0}
 218 };
 219
 220 /* Table B-12, dct_dc_size_luminance, codes 111110xxx ... 111111111 */
 221 mpeg3_VLCtab_t mpeg3_DClumtab1[16] =
 222 { {7, 6}, {7, 6}, {7, 6}, {7, 6}, {7, 6}, {7, 6}, {7, 6}, {7, 6},
 223   {8, 7}, {8, 7}, {8, 7}, {8, 7}, {9, 8}, {9, 8}, {10,9}, {11,9}
 224 };
 225
 226 /* Table B-13, dct_dc_size_chrominance, codes 00xxx ... 11110 */
 227 mpeg3_VLCtab_t mpeg3_DCchromtab0[32] =
 228 { {0, 2}, {0, 2}, {0, 2}, {0, 2}, {0, 2}, {0, 2}, {0, 2}, {0, 2},
 229   {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2},
 230   {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2},
 231   {3, 3}, {3, 3}, {3, 3}, {3, 3}, {4, 4}, {4, 4}, {5, 5}, {ERROR, 0}
 232 };
 233
 234 /* Table B-13, dct_dc_size_chrominance, codes 111110xxxx ... 1111111111 */
 235 mpeg3_VLCtab_t mpeg3_DCchromtab1[32] =
 236 { {6, 6}, {6, 6}, {6, 6}, {6, 6}, {6, 6}, {6, 6}, {6, 6}, {6, 6},
 237   {6, 6}, {6, 6}, {6, 6}, {6, 6}, {6, 6}, {6, 6}, {6, 6}, {6, 6},
 238   {7, 7}, {7, 7}, {7, 7}, {7, 7}, {7, 7}, {7, 7}, {7, 7}, {7, 7},
 239   {8, 8}, {8, 8}, {8, 8}, {8, 8}, {9, 9}, {9, 9}, {10,10}, {11,10}
 240 };
 241
 242 /* Table B-14, DCT coefficients table zero,
 243  * codes 0100 ... 1xxx (used for first (DC) coefficient)
 244  */
 245 mpeg3_DCTtab_t mpeg3_DCTtabfirst[12] =
 246 {
 247   {0,2,4}, {2,1,4}, {1,1,3}, {1,1,3},
 248   {0,1,1}, {0,1,1}, {0,1,1}, {0,1,1},
 249   {0,1,1}, {0,1,1}, {0,1,1}, {0,1,1}
 250 };
 251
 252 /* Table B-14, DCT coefficients table zero,
 253  * codes 0100 ... 1xxx (used for all other coefficients)
 254  */
 255 mpeg3_DCTtab_t mpeg3_DCTtabnext[12] =
 256 {
 257   {0,2,4},  {2,1,4},  {1,1,3},  {1,1,3},
 258   {64,0,2}, {64,0,2}, {64,0,2}, {64,0,2}, /* EOB */
 259   {0,1,2},  {0,1,2},  {0,1,2},  {0,1,2}
 260 };
 261
 262 /* Table B-14, DCT coefficients table zero,
 263  * codes 000001xx ... 00111xxx
 264  */
 265 mpeg3_DCTtab_t mpeg3_DCTtab0[60] =
 266 {
 267   {65,0,6}, {65,0,6}, {65,0,6}, {65,0,6}, /* Escape */
 268   {2,2,7}, {2,2,7}, {9,1,7}, {9,1,7},
 269   {0,4,7}, {0,4,7}, {8,1,7}, {8,1,7},
 270   {7,1,6}, {7,1,6}, {7,1,6}, {7,1,6},
 271   {6,1,6}, {6,1,6}, {6,1,6}, {6,1,6},
 272   {1,2,6}, {1,2,6}, {1,2,6}, {1,2,6},
 273   {5,1,6}, {5,1,6}, {5,1,6}, {5,1,6},
 274   {13,1,8}, {0,6,8}, {12,1,8}, {11,1,8},
 275   {3,2,8}, {1,3,8}, {0,5,8}, {10,1,8},
 276   {0,3,5}, {0,3,5}, {0,3,5}, {0,3,5},
 277   {0,3,5}, {0,3,5}, {0,3,5}, {0,3,5},
 278   {4,1,5}, {4,1,5}, {4,1,5}, {4,1,5},
 279   {4,1,5}, {4,1,5}, {4,1,5}, {4,1,5},
 280   {3,1,5}, {3,1,5}, {3,1,5}, {3,1,5},
 281   {3,1,5}, {3,1,5}, {3,1,5}, {3,1,5}
 282 };
 283
 284 /* Table B-15, DCT coefficients table one,
 285  * codes 000001xx ... 11111111
 286 */
 287 mpeg3_DCTtab_t mpeg3_DCTtab0a[252] =
 288 {
 289   {65,0,6}, {65,0,6}, {65,0,6}, {65,0,6}, /* Escape */
 290   {7,1,7}, {7,1,7}, {8,1,7}, {8,1,7},
 291   {6,1,7}, {6,1,7}, {2,2,7}, {2,2,7},
 292   {0,7,6}, {0,7,6}, {0,7,6}, {0,7,6},
 293   {0,6,6}, {0,6,6}, {0,6,6}, {0,6,6},
 294   {4,1,6}, {4,1,6}, {4,1,6}, {4,1,6},
 295   {5,1,6}, {5,1,6}, {5,1,6}, {5,1,6},
 296   {1,5,8}, {11,1,8}, {0,11,8}, {0,10,8},
 297   {13,1,8}, {12,1,8}, {3,2,8}, {1,4,8},
 298   {2,1,5}, {2,1,5}, {2,1,5}, {2,1,5},
 299   {2,1,5}, {2,1,5}, {2,1,5}, {2,1,5},
 300   {1,2,5}, {1,2,5}, {1,2,5}, {1,2,5},
 301   {1,2,5}, {1,2,5}, {1,2,5}, {1,2,5},
 302   {3,1,5}, {3,1,5}, {3,1,5}, {3,1,5},
 303   {3,1,5}, {3,1,5}, {3,1,5}, {3,1,5},
 304   {1,1,3}, {1,1,3}, {1,1,3}, {1,1,3},
 305   {1,1,3}, {1,1,3}, {1,1,3}, {1,1,3},
 306   {1,1,3}, {1,1,3}, {1,1,3}, {1,1,3},
 307   {1,1,3}, {1,1,3}, {1,1,3}, {1,1,3},
 308   {1,1,3}, {1,1,3}, {1,1,3}, {1,1,3},
 309   {1,1,3}, {1,1,3}, {1,1,3}, {1,1,3},
 310   {1,1,3}, {1,1,3}, {1,1,3}, {1,1,3},
 311   {1,1,3}, {1,1,3}, {1,1,3}, {1,1,3},
 312   {64,0,4}, {64,0,4}, {64,0,4}, {64,0,4}, /* EOB */
 313   {64,0,4}, {64,0,4}, {64,0,4}, {64,0,4},
 314   {64,0,4}, {64,0,4}, {64,0,4}, {64,0,4},
 315   {64,0,4}, {64,0,4}, {64,0,4}, {64,0,4},
 316   {0,3,4}, {0,3,4}, {0,3,4}, {0,3,4},
 317   {0,3,4}, {0,3,4}, {0,3,4}, {0,3,4},
 318   {0,3,4}, {0,3,4}, {0,3,4}, {0,3,4},
 319   {0,3,4}, {0,3,4}, {0,3,4}, {0,3,4},
 320   {0,1,2}, {0,1,2}, {0,1,2}, {0,1,2},
 321   {0,1,2}, {0,1,2}, {0,1,2}, {0,1,2},
 322   {0,1,2}, {0,1,2}, {0,1,2}, {0,1,2},
 323   {0,1,2}, {0,1,2}, {0,1,2}, {0,1,2},
 324   {0,1,2}, {0,1,2}, {0,1,2}, {0,1,2},
 325   {0,1,2}, {0,1,2}, {0,1,2}, {0,1,2},
 326   {0,1,2}, {0,1,2}, {0,1,2}, {0,1,2},
 327   {0,1,2}, {0,1,2}, {0,1,2}, {0,1,2},
 328   {0,1,2}, {0,1,2}, {0,1,2}, {0,1,2},
 329   {0,1,2}, {0,1,2}, {0,1,2}, {0,1,2},
 330   {0,1,2}, {0,1,2}, {0,1,2}, {0,1,2},
 331   {0,1,2}, {0,1,2}, {0,1,2}, {0,1,2},
 332   {0,1,2}, {0,1,2}, {0,1,2}, {0,1,2},
 333   {0,1,2}, {0,1,2}, {0,1,2}, {0,1,2},
 334   {0,1,2}, {0,1,2}, {0,1,2}, {0,1,2},
 335   {0,1,2}, {0,1,2}, {0,1,2}, {0,1,2},
 336   {0,2,3}, {0,2,3}, {0,2,3}, {0,2,3},
 337   {0,2,3}, {0,2,3}, {0,2,3}, {0,2,3},
 338   {0,2,3}, {0,2,3}, {0,2,3}, {0,2,3},
 339   {0,2,3}, {0,2,3}, {0,2,3}, {0,2,3},
 340   {0,2,3}, {0,2,3}, {0,2,3}, {0,2,3},
 341   {0,2,3}, {0,2,3}, {0,2,3}, {0,2,3},
 342   {0,2,3}, {0,2,3}, {0,2,3}, {0,2,3},
 343   {0,2,3}, {0,2,3}, {0,2,3}, {0,2,3},
 344   {0,4,5}, {0,4,5}, {0,4,5}, {0,4,5},
 345   {0,4,5}, {0,4,5}, {0,4,5}, {0,4,5},
 346   {0,5,5}, {0,5,5}, {0,5,5}, {0,5,5},
 347   {0,5,5}, {0,5,5}, {0,5,5}, {0,5,5},
 348   {9,1,7}, {9,1,7}, {1,3,7}, {1,3,7},
 349   {10,1,7}, {10,1,7}, {0,8,7}, {0,8,7},
 350   {0,9,7}, {0,9,7}, {0,12,8}, {0,13,8},
 351   {2,3,8}, {4,2,8}, {0,14,8}, {0,15,8}
 352 };
 353
 354 /* Table B-14, DCT coefficients table zero,
 355  * codes 0000001000 ... 0000001111
 356  */
 357 mpeg3_DCTtab_t mpeg3_DCTtab1[8] =
 358 {
 359   {16,1,10}, {5,2,10}, {0,7,10}, {2,3,10},
 360   {1,4,10}, {15,1,10}, {14,1,10}, {4,2,10}
 361 };
 362
 363 /* Table B-15, DCT coefficients table one,
 364  * codes 000000100x ... 000000111x
 365  */
 366 mpeg3_DCTtab_t mpeg3_DCTtab1a[8] =
 367 {
 368   {5,2,9}, {5,2,9}, {14,1,9}, {14,1,9},
 369   {2,4,10}, {16,1,10}, {15,1,9}, {15,1,9}
 370 };
 371
 372 /* Table B-14/15, DCT coefficients table zero / one,
 373  * codes 000000010000 ... 000000011111
 374  */
 375 mpeg3_DCTtab_t mpeg3_DCTtab2[16] =
 376 {
 377   {0,11,12}, {8,2,12}, {4,3,12}, {0,10,12},
 378   {2,4,12}, {7,2,12}, {21,1,12}, {20,1,12},
 379   {0,9,12}, {19,1,12}, {18,1,12}, {1,5,12},
 380   {3,3,12}, {0,8,12}, {6,2,12}, {17,1,12}
 381 };
 382
 383 /* Table B-14/15, DCT coefficients table zero / one,
 384  * codes 0000000010000 ... 0000000011111
 385  */
 386 mpeg3_DCTtab_t mpeg3_DCTtab3[16] =
 387 {
 388   {10,2,13}, {9,2,13}, {5,3,13}, {3,4,13},
 389   {2,5,13}, {1,7,13}, {1,6,13}, {0,15,13},
 390   {0,14,13}, {0,13,13}, {0,12,13}, {26,1,13},
 391   {25,1,13}, {24,1,13}, {23,1,13}, {22,1,13}
 392 };
 393
 394 /* Table B-14/15, DCT coefficients table zero / one,
 395  * codes 00000000010000 ... 00000000011111
 396  */
 397 mpeg3_DCTtab_t mpeg3_DCTtab4[16] =
 398 {
 399   {0,31,14}, {0,30,14}, {0,29,14}, {0,28,14},
 400   {0,27,14}, {0,26,14}, {0,25,14}, {0,24,14},
 401   {0,23,14}, {0,22,14}, {0,21,14}, {0,20,14},
 402   {0,19,14}, {0,18,14}, {0,17,14}, {0,16,14}
 403 };
 404
 405 /* Table B-14/15, DCT coefficients table zero / one,
 406  * codes 000000000010000 ... 000000000011111
 407  */
 408 mpeg3_DCTtab_t mpeg3_DCTtab5[16] =
 409 {
 410   {0,40,15}, {0,39,15}, {0,38,15}, {0,37,15},
 411   {0,36,15}, {0,35,15}, {0,34,15}, {0,33,15},
 412   {0,32,15}, {1,14,15}, {1,13,15}, {1,12,15},
 413   {1,11,15}, {1,10,15}, {1,9,15}, {1,8,15}
 414 };
 415
 416 /* Table B-14/15, DCT coefficients table zero / one,
 417  * codes 0000000000010000 ... 0000000000011111
 418  */
 419 mpeg3_DCTtab_t mpeg3_DCTtab6[16] =
 420 {
 421   {1,18,16}, {1,17,16}, {1,16,16}, {1,15,16},
 422   {6,3,16}, {16,2,16}, {15,2,16}, {14,2,16},
 423   {13,2,16}, {12,2,16}, {11,2,16}, {31,1,16},
 424   {30,1,16}, {29,1,16}, {28,1,16}, {27,1,16}
 425 };