libmpeg3/video/vlc.c

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