vc1data.c 21.7 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
/*
 * VC-1 and WMV3 decoder
 * copyright (c) 2006 Konstantin Shishkov
 * (c) 2005 anonymous, Alex Beregszaszi, Michael Niedermayer
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

/**
24
 * @file libavcodec/vc1data.c
25 26 27 28 29 30 31 32
 * VC-1 tables.
 */

#include "avcodec.h"
#include "vc1.h"
#include "vc1data.h"

/** Table for conversion between TTBLK and TTMB */
33
const int ff_vc1_ttblk_to_tt[3][8] = {
34 35 36 37 38
  { TT_8X4, TT_4X8, TT_8X8, TT_4X4, TT_8X4_TOP, TT_8X4_BOTTOM, TT_4X8_RIGHT, TT_4X8_LEFT },
  { TT_8X8, TT_4X8_RIGHT, TT_4X8_LEFT, TT_4X4, TT_8X4, TT_4X8, TT_8X4_BOTTOM, TT_8X4_TOP },
  { TT_8X8, TT_4X8, TT_4X4, TT_8X4_BOTTOM, TT_4X8_RIGHT, TT_4X8_LEFT, TT_8X4, TT_8X4_TOP }
};

39
const int ff_vc1_ttfrm_to_tt[4] = { TT_8X8, TT_8X4, TT_4X8, TT_4X4 };
40 41

/** MV P mode - the 5th element is only used for mode 1 */
42
const uint8_t ff_vc1_mv_pmode_table[2][5] = {
43 44 45
  { MV_PMODE_1MV_HPEL_BILIN, MV_PMODE_1MV, MV_PMODE_1MV_HPEL, MV_PMODE_INTENSITY_COMP, MV_PMODE_MIXED_MV },
  { MV_PMODE_1MV, MV_PMODE_MIXED_MV, MV_PMODE_1MV_HPEL, MV_PMODE_INTENSITY_COMP, MV_PMODE_1MV_HPEL_BILIN }
};
46
const uint8_t ff_vc1_mv_pmode_table2[2][4] = {
47 48 49 50
  { MV_PMODE_1MV_HPEL_BILIN, MV_PMODE_1MV, MV_PMODE_1MV_HPEL, MV_PMODE_MIXED_MV },
  { MV_PMODE_1MV, MV_PMODE_MIXED_MV, MV_PMODE_1MV_HPEL, MV_PMODE_1MV_HPEL_BILIN }
};

51 52 53
const int ff_vc1_fps_nr[5] = { 24, 25, 30, 50, 60 },
  ff_vc1_fps_dr[2] = { 1000, 1001 };
const uint8_t ff_vc1_pquant_table[3][32] = {
54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72
  {  /* Implicit quantizer */
     0,  1,  2,  3,  4,  5,  6,  7,  8,  6,  7,  8,  9, 10, 11, 12,
    13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 27, 29, 31
  },
  {  /* Explicit quantizer, pquantizer uniform */
     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
  },
  {  /* Explicit quantizer, pquantizer non-uniform */
     0,  1,  1,  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, 29, 31
  }
};

/** @name VC-1 VLC tables and defines
 *  @todo TODO move this into the context
 */
//@{
#define VC1_BFRACTION_VLC_BITS 7
73
VLC ff_vc1_bfraction_vlc;
74
#define VC1_IMODE_VLC_BITS 4
75
VLC ff_vc1_imode_vlc;
76
#define VC1_NORM2_VLC_BITS 3
77
VLC ff_vc1_norm2_vlc;
78
#define VC1_NORM6_VLC_BITS 9
79
VLC ff_vc1_norm6_vlc;
80 81
/* Could be optimized, one table only needs 8 bits */
#define VC1_TTMB_VLC_BITS 9 //12
82
VLC ff_vc1_ttmb_vlc[3];
83
#define VC1_MV_DIFF_VLC_BITS 9 //15
84
VLC ff_vc1_mv_diff_vlc[4];
85
#define VC1_CBPCY_P_VLC_BITS 9 //14
86
VLC ff_vc1_cbpcy_p_vlc[4];
87
#define VC1_4MV_BLOCK_PATTERN_VLC_BITS 6
88
VLC ff_vc1_4mv_block_pattern_vlc[4];
89
#define VC1_TTBLK_VLC_BITS 5
90
VLC ff_vc1_ttblk_vlc[3];
91
#define VC1_SUBBLKPAT_VLC_BITS 6
92
VLC ff_vc1_subblkpat_vlc[3];
93

94
VLC ff_vc1_ac_coeff_table[8];
95 96 97 98 99
//@}


#if B_FRACTION_DEN==840 //original bfraction from vc9data.h, not conforming to standard
/* bfraction is fractional, we scale to the GCD 3*5*7*8 = 840 */
100
const int16_t ff_vc1_bfraction_lut[23] = {
101 102 103 104 105 106 107 108 109 110
  420 /*1/2*/, 280 /*1/3*/, 560 /*2/3*/, 210 /*1/4*/,
  630 /*3/4*/, 168 /*1/5*/, 336 /*2/5*/,
  504 /*3/5*/, 672 /*4/5*/, 140 /*1/6*/, 700 /*5/6*/,
  120 /*1/7*/, 240 /*2/7*/, 360 /*3/7*/, 480 /*4/7*/,
  600 /*5/7*/, 720 /*6/7*/, 105 /*1/8*/, 315 /*3/8*/,
  525 /*5/8*/, 735 /*7/8*/,
  -1 /*inv.*/, 0 /*BI fm*/
};
#else
/* pre-computed scales for all bfractions and base=256 */
111
const int16_t ff_vc1_bfraction_lut[23] = {
112 113 114 115 116 117 118 119 120 121
  128 /*1/2*/,  85 /*1/3*/, 170 /*2/3*/,  64 /*1/4*/,
  192 /*3/4*/,  51 /*1/5*/, 102 /*2/5*/,
  153 /*3/5*/, 204 /*4/5*/,  43 /*1/6*/, 215 /*5/6*/,
   37 /*1/7*/,  74 /*2/7*/, 111 /*3/7*/, 148 /*4/7*/,
  185 /*5/7*/, 222 /*6/7*/,  32 /*1/8*/,  96 /*3/8*/,
  160 /*5/8*/, 224 /*7/8*/,
  -1 /*inv.*/, 0 /*BI fm*/
};
#endif

122
const uint8_t ff_vc1_bfraction_bits[23] = {
123 124 125 126 127 128 129 130
    3, 3, 3, 3,
    3, 3, 3,
    7, 7, 7, 7,
    7, 7, 7, 7,
    7, 7, 7, 7,
    7, 7,
    7, 7
};
131
const uint8_t ff_vc1_bfraction_codes[23] = {
132 133 134 135 136 137 138 139 140 141
     0,   1,   2,   3,
     4,   5,   6,
   112, 113, 114, 115,
   116, 117, 118, 119,
   120, 121, 122, 123,
   124, 125,
   126, 127
};

//Same as H.264
142
const AVRational ff_vc1_pixel_aspect[16]={
143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161
 {0, 1},
 {1, 1},
 {12, 11},
 {10, 11},
 {16, 11},
 {40, 33},
 {24, 11},
 {20, 11},
 {32, 11},
 {80, 33},
 {18, 11},
 {15, 11},
 {64, 33},
 {160, 99},
 {0, 1},
 {0, 1}
};

/* BitPlane IMODE - such a small table... */
162
const uint8_t ff_vc1_imode_codes[7] = {
163 164
  0, 2, 1, 3, 1, 2, 3
};
165
const uint8_t ff_vc1_imode_bits[7] = {
166 167 168 169
  4, 2, 3, 2, 4, 3, 3
};

/* Normal-2 imode */
170
const uint8_t ff_vc1_norm2_codes[4] = {
171 172
  0, 4, 5, 3
};
173
const uint8_t ff_vc1_norm2_bits[4] = {
174 175 176
  1, 3, 3, 2
};

177
const uint16_t ff_vc1_norm6_codes[64] = {
178 179 180 181 182 183
0x001, 0x002, 0x003, 0x000, 0x004, 0x001, 0x002, 0x047, 0x005, 0x003, 0x004, 0x04B, 0x005, 0x04D, 0x04E, 0x30E,
0x006, 0x006, 0x007, 0x053, 0x008, 0x055, 0x056, 0x30D, 0x009, 0x059, 0x05A, 0x30C, 0x05C, 0x30B, 0x30A, 0x037,
0x007, 0x00A, 0x00B, 0x043, 0x00C, 0x045, 0x046, 0x309, 0x00D, 0x049, 0x04A, 0x308, 0x04C, 0x307, 0x306, 0x036,
0x00E, 0x051, 0x052, 0x305, 0x054, 0x304, 0x303, 0x035, 0x058, 0x302, 0x301, 0x034, 0x300, 0x033, 0x032, 0x007,
};

184
const uint8_t ff_vc1_norm6_bits[64] = {
185 186 187 188 189
 1,  4,  4,  8,  4,  8,  8, 10,  4,  8,  8, 10,  8, 10, 10, 13,
 4,  8,  8, 10,  8, 10, 10, 13,  8, 10, 10, 13, 10, 13, 13,  9,
 4,  8,  8, 10,  8, 10, 10, 13,  8, 10, 10, 13, 10, 13, 13,  9,
 8, 10, 10, 13, 10, 13, 13,  9, 10, 13, 13,  9, 13,  9,  9,  6,
};
190
#if 0
191
/* Normal-6 imode */
192
const uint8_t ff_vc1_norm6_spec[64][5] = {
193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257
{ 0,  1, 1        },
{ 1,  2, 4        },
{ 2,  3, 4        },
{ 3,  0, 8        },
{ 4,  4, 4        },
{ 5,  1, 8        },
{ 6,  2, 8        },
{ 7,  2, 5,  7, 5 },
{ 8,  5, 4        },
{ 9,  3, 8        },
{10,  4, 8        },
{11,  2, 5, 11, 5 },
{12,  5, 8        },
{13,  2, 5, 13, 5 },
{14,  2, 5, 14, 5 },
{15,  3, 5, 14, 8 },
{16,  6, 4        },
{17,  6, 8        },
{18,  7, 8        },
{19,  2, 5, 19, 5 },
{20,  8, 8        },
{21,  2, 5, 21, 5 },
{22,  2, 5, 22, 5 },
{23,  3, 5, 13, 8 },
{24,  9, 8        },
{25,  2, 5, 25, 5 },
{26,  2, 5, 26, 5 },
{27,  3, 5, 12, 8 },
{28,  2, 5, 28, 5 },
{29,  3, 5, 11, 8 },
{30,  3, 5, 10, 8 },
{31,  3, 5,  7, 4 },
{32,  7, 4        },
{33, 10, 8        },
{34, 11, 8        },
{35,  2, 5,  3, 5 },
{36, 12, 8        },
{37,  2, 5,  5, 5 },
{38,  2, 5,  6, 5 },
{39,  3, 5,  9, 8 },
{40, 13, 8        },
{41,  2, 5,  9, 5 },
{42,  2, 5, 10, 5 },
{43,  3, 5,  8, 8 },
{44,  2, 5, 12, 5 },
{45,  3, 5,  7, 8 },
{46,  3, 5,  6, 8 },
{47,  3, 5,  6, 4 },
{48, 14, 8        },
{49,  2, 5, 17, 5 },
{50,  2, 5, 18, 5 },
{51,  3, 5,  5, 8 },
{52,  2, 5, 20, 5 },
{53,  3, 5,  4, 8 },
{54,  3, 5,  3, 8 },
{55,  3, 5,  5, 4 },
{56,  2, 5, 24, 5 },
{57,  3, 5,  2, 8 },
{58,  3, 5,  1, 8 },
{59,  3, 5,  4, 4 },
{60,  3, 5,  0, 8 },
{61,  3, 5,  3, 4 },
{62,  3, 5,  2, 4 },
{63,  3, 5,  1, 1 },
};
258
#endif
259 260

/* 4MV Block pattern VLC tables */
261
const uint8_t ff_vc1_4mv_block_pattern_codes[4][16] = {
262 263 264 265 266
  { 14, 58, 59, 25, 12, 26, 15, 15, 13, 24, 27,  0, 28,  1,  2,  2},
  {  8, 18, 19,  4, 20,  5, 30, 11, 21, 31,  6, 12,  7, 13, 14,  0},
  { 15,  6,  7,  2,  8,  3, 28,  9, 10, 29,  4, 11,  5, 12, 13,  0},
  {  0, 11, 12,  4, 13,  5, 30, 16, 14, 31,  6, 17,  7, 18, 19, 10}
};
267
const uint8_t ff_vc1_4mv_block_pattern_bits[4][16] = {
268 269 270 271 272 273 274 275 276 277 278 279
  { 5, 6, 6, 5, 5, 5, 5, 4, 5, 5, 5, 3, 5, 3, 3, 2},
  { 4, 5, 5, 4, 5, 4, 5, 4, 5, 5, 4, 4, 4, 4, 4, 2},
  { 4, 4, 4, 4, 4, 4, 5, 4, 4, 5, 4, 4, 4, 4, 4, 3},
  { 2, 4, 4, 4, 4, 4, 5, 5, 4, 5, 4, 5, 4, 5, 5, 4}
};

const uint8_t wmv3_dc_scale_table[32]={
    0, 2, 4, 8, 8, 8, 9, 9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,17,17,18,18,19,19,20,20,21,21
};

/* P-Picture CBPCY VLC tables */
#if 1 // Looks like original tables are not conforming to standard at all. Are they used for old WMV?
280
const uint16_t ff_vc1_cbpcy_p_codes[4][64] = {
281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306
  {
      0,   6,  15,  13,  13,  11,   3,  13,   5,   8,  49,  10,  12, 114, 102, 119,
      1,  54,  96,   8,  10, 111,   5,  15,  12,  10,   2,  12,  13, 115,  53,  63,
      1,   7,   1,   7,  14,  12,   4,  14,   1,   9,  97,  11,   7,  58,  52,  62,
      4, 103,   1,   9,  11,  56, 101, 118,   4, 110, 100,  30,   2,   5,   4,   3
  },
  {
      0,   9,   1,  18,   5,  14, 237,  26,   3, 121,   3,  22,  13,  16,   6,  30,
      2,  10,   1,  20,  12, 241,   5,  28,  16,  12,   3,  24,  28, 124, 239, 247,
      1, 240,   1,  19,  18,  15,   4,  27,   1, 122,   2,  23,   1,  17,   7,  31,
      1,  11,   2,  21,  19, 246, 238,  29,  17,  13, 236,  25,  58,  63,   8, 125
  },
  {
      0, 201,  25, 231,   5, 221,   1,   3,   2, 414,   2, 241,  16, 225, 195, 492,
      2, 412,   1, 240,   7, 224,  98, 245,   1, 220,  96,   5,   9, 230, 101, 247,
      1, 102,   1, 415,  24,   3,   2, 244,   3,  54,   3, 484,  17, 114, 200, 493,
      3, 413,   1,   4,  13, 113,  99, 485,   4, 111, 194, 243,   5,  29,  26,  31
  },
  {
      0,  28,  12,  44,   3,  36,  20,  52,   2,  32,  16,  48,   8,  40,  24,  28,
      1,  30,  14,  46,   6,  38,  22,  54,   3,  34,  18,  50,  10,  42,  26,  30,
      1,  29,  13,  45,   5,  37,  21,  53,   2,  33,  17,  49,   9,  41,  25,  29,
      1,  31,  15,  47,   7,  39,  23,  55,   4,  35,  19,  51,  11,  43,  27,  31
   }
};

307
const uint8_t ff_vc1_cbpcy_p_bits[4][64] = {
308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333
  {
    13,  13,   7,  13,   7,  13,  13,  12,   6,  13,   7,  12,   6,   8,   8,   8,
     5,   7,   8,  12,   6,   8,  13,  12,   7,  13,  13,  12,   6,   8,   7,   7,
     6,  13,   8,  12,   7,  13,  13,  12,   7,  13,   8,  12,   5,   7,   7,   7,
     6,   8,  13,  12,   6,   7,   8,   8,   5,   8,   8,   6,   3,   3,   3,   2
  },
  {
    14,  13,   8,  13,   3,  13,   8,  13,   3,   7,   8,  13,   4,  13,  13,  13,
     3,  13,  13,  13,   4,   8,  13,  13,   5,  13,  13,  13,   5,   7,   8,   8,
     3,   8,  14,  13,   5,  13,  13,  13,   4,   7,  13,  13,   6,  13,  13,  13,
     5,  13,   8,  13,   5,   8,   8,  13,   5,  13,   8,  13,   6,   6,  13,   7
  },
  {
    13,   8,   6,   8,   4,   8,  13,  12,   4,   9,   8,   8,   5,   8,   8,   9,
     5,   9,  10,   8,   4,   8,   7,   8,   6,   8,   7,  13,   4,   8,   7,   8,
     5,   7,   8,   9,   6,  13,  13,   8,   4,   6,   8,   9,   5,   7,   8,   9,
     5,   9,   9,  13,   5,   7,   7,   9,   4,   7,   8,   8,   3,   5,   5,   5
  },
  {
     9,   9,   9,   9,   2,   9,   9,   9,   2,   9,   9,   9,   9,   9,   9,   8,
     3,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   8,
     2,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   8,
     9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   8
  }
};
#else
334
const uint16_t ff_vc1_cbpcy_p_codes[4][64] = {
335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359
  {
      0,   1,   1,   4,   5,   1,  12,   4,  13,  14,  10,  11,  12,   7,  13,   2,
     15,   1,  96,   1,  49,  97,   2, 100,   3,   4,   5, 101, 102,  52,  53,   4,
      6,   7,  54, 103,   8,   9,  10, 110,  11,  12, 111,  56, 114,  58, 115,   5,
     13,   7,   8,   9,  10,  11,  12,  30,  13,  14,  15, 118, 119,  62,  63,   3
  },
  {
      0,   1,   2,   1,   3,   1,  16,  17,   5,  18,  12,  19,  13,   1,  28,  58,
      1,   1,   1,   2,   3,   2,   3, 236, 237,   4,   5, 238,   6,   7, 239,   8,
      9, 240,  10,  11, 121, 122,  12,  13,  14,  15, 241, 246,  16,  17, 124,  63,
     18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29,  30,  31, 247, 125
  },
  {
      0,   1,   2,   3,   2,   3,   1,   4,   5,  24,   7,  13,  16,  17,   9,   5,
     25,   1,   1,   1,   2,   3,  96, 194,   1,   2,  98,  99, 195, 200, 101,  26,
    201, 102, 412, 413, 414,  54, 220, 111, 221,   3, 224, 113, 225, 114, 230,  29,
    231, 415, 240,   4, 241, 484,   5, 243,   3, 244, 245, 485, 492, 493, 247,  31
  },
  {
      0,   1,   1,   1,   2,   2,   3,   4,   3,   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,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,
     44,  45,  46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  28,  29,  30,  31
   }
};
360
const uint8_t ff_vc1_cbpcy_p_bits[4][64] = {
361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395
  {
    13,  6,  5,  6,  6,  7,  7,  5,  7,  7,  6,  6,  6,  5,  6,  3,
     7,  8,  8, 13,  7,  8, 13,  8, 13, 13, 13,  8,  8,  7,  7,  3,
    13, 13,  7,  8, 13, 13, 13,  8, 13, 13,  8,  7,  8,  7,  8,  3,
    13, 12, 12, 12, 12, 12, 12,  6, 12, 12, 12,  8,  8,  7,  7,  2
  },
  {
    14,  3,  3,  5,  3,  4,  5,  5,  3,  5,  4,  5,  4,  6,  5,  6,
     8, 14, 13,  8,  8, 13, 13,  8,  8, 13, 13,  8, 13, 13,  8, 13,
    13,  8, 13, 13,  7,  7, 13, 13, 13, 13,  8,  8, 13, 13,  7,  6,
    13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,  8,  7
  },
  {
    13,  5,  5,  5,  4,  4,  6,  4,  4,  6,  4,  5,  5,  5,  4,  3,
     6,  8, 10,  9,  8,  8,  7,  8, 13, 13,  7,  7,  8,  8,  7,  5,
     8,  7,  9,  9,  9,  6,  8,  7,  8, 13,  8,  7,  8,  7,  8,  5,
     8,  9,  8, 13,  8,  9, 13,  8, 12,  8,  8,  9,  9,  9,  8,  5
  },
  {
     9,  2,  3,  9,  2,  9,  9,  9,  2,  9,  9,  9,  9,  9,  9,  9,
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,
     9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  9,  8,  8,  8,  8
  }
};
#endif

/* MacroBlock Transform Type: 7.1.3.11, p89
 * 8x8:B
 * 8x4:B:btm  8x4:B:top  8x4:B:both,
 * 4x8:B:right  4x8:B:left  4x8:B:both
 * 4x4:B  8x8:MB
 * 8x4:MB:btm  8x4:MB:top  8x4,MB,both
 * 4x8,MB,right  4x8,MB,left
 * 4x4,MB                               */
396
const uint16_t ff_vc1_ttmb_codes[3][16] = {
397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425
  {
    0x0003,
    0x002E, 0x005F, 0x0000,
    0x0016, 0x0015, 0x0001,
    0x0004, 0x0014,
    0x02F1, 0x0179, 0x017B,
    0x0BC0, 0x0BC1, 0x05E1,
    0x017A
  },
  {
    0x0006,
    0x0006, 0x0003, 0x0007,
    0x000F, 0x000E, 0x0000,
    0x0002, 0x0002,
    0x0014, 0x0011, 0x000B,
    0x0009, 0x0021, 0x0015,
    0x0020
  },
  {
    0x0006,
    0x0000, 0x000E, 0x0005,
    0x0002, 0x0003, 0x0003,
    0x000F, 0x0002,
    0x0081, 0x0021, 0x0009,
    0x0101, 0x0041, 0x0011,
    0x0100
  }
};

426
const uint8_t ff_vc1_ttmb_bits[3][16] = {
427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456
  {
     2,
     6,  7,  2,
     5,  5,  2,
     3,  5,
    10,  9,  9,
    12, 12, 11,
     9
  },
  {
    3,
    4, 4, 4,
    4, 4, 3,
    3, 2,
    7, 7, 6,
    6, 8, 7,
    8
  },
  {
     3,
     3, 4, 5,
     3, 3, 4,
     4, 2,
    10, 8, 6,
    11, 9, 7,
    11
  }
};

/* TTBLK (Transform Type per Block) tables */
457
const uint8_t ff_vc1_ttblk_codes[3][8] = {
458 459 460 461
  {  0,  1,  3,  5, 16, 17, 18, 19},
  {  3,  0,  1,  2,  3,  5,  8,  9},
  {  1,  0,  1,  4,  6,  7, 10, 11}
};
462
const uint8_t ff_vc1_ttblk_bits[3][8] = {
463 464 465 466 467 468
  {  2,  2,  2,  3,  5,  5,  5,  5},
  {  2,  3,  3,  3,  3,  3,  4,  4},
  {  2,  3,  3,  3,  3,  3,  4,  4}
};

/* SUBBLKPAT tables, p93-94, reordered */
469
const uint8_t ff_vc1_subblkpat_codes[3][15] = {
470 471 472 473
  { 14, 12,  7, 11,  9, 26,  2, 10, 27,  8,  0,  6,  1, 15,  1},
  { 14,  0,  8, 15, 10,  4, 23, 13,  5,  9, 25,  3, 24, 22,  1},
  {  5,  6,  2,  2,  8,  0, 28,  3,  1,  3, 29,  1, 19, 18, 15}
};
474
const uint8_t ff_vc1_subblkpat_bits[3][15] = {
475 476 477 478 479 480
  {  5,  5,  5,  5,  5,  6,  4,  5,  6,  5,  4,  5,  4,  5,  1},
  {  4,  3,  4,  4,  4,  5,  5,  4,  5,  4,  5,  4,  5,  5,  2},
  {  3,  3,  4,  3,  4,  5,  5,  3,  5,  4,  5,  4,  5,  5,  4}
};

/* MV differential tables, p265 */
481
const uint16_t ff_vc1_mv_diff_codes[4][73] = {
482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530
  {
       0,    2,    3,    8,  576,    3,    2,    6,
       5,  577,  578,    7,    8,    9,   40,   19,
      37,   82,   21,   22,   23,  579,  580,  166,
      96,  167,   49,  194,  195,  581,  582,  583,
     292,  293,  294,   13,    2,    7,   24,   50,
     102,  295,   13,    7,    8,   18,   50,  103,
      38,   20,   21,   22,   39,  204,  103,   23,
      24,   25,  104,  410,  105,  106,  107,  108,
     109,  220,  411,  442,  222,  443,  446,  447,
       7 /* 73 elements */
  },
  {
       0,    4,    5,    3,    4,    3,    4,    5,
      20,    6,   21,   44,   45,   46, 3008,   95,
     112,  113,   57, 3009, 3010,  116,  117, 3011,
     118, 3012, 3013, 3014, 3015, 3016, 3017, 3018,
    3019, 3020, 3021, 3022,    1,    4,   15,  160,
     161,   41,    6,   11,   42,  162,   43,  119,
      56,   57,   58,  163,  236,  237, 3023,  119,
     120,  242,  122,  486, 1512,  487,  246,  494,
    1513,  495, 1514, 1515, 1516, 1517, 1518, 1519,
      31 /* 73 elements */
  },
  {
       0,  512,  513,  514,  515,    2,    3,  258,
     259,  260,  261,  262,  263,  264,  265,  266,
     267,  268,  269,  270,  271,  272,  273,  274,
     275,  276,  277,  278,  279,  280,  281,  282,
     283,  284,  285,  286,    1,    5,  287,  288,
     289,  290,    6,    7,  291,  292,  293,  294,
     295,  296,  297,  298,  299,  300,  301,  302,
     303,  304,  305,  306,  307,  308,  309,  310,
     311,  312,  313,  314,  315,  316,  317,  318,
     319 /* 73 elements */
  },
  {
       0,    1,    1,    2,    3,    4,    1,    5,
       4,    3,    5,    8,    6,    9,   10,   11,
      12,    7,  104,   14,  105,    4,   10,   15,
      11,    6,   14,    8,  106,  107,  108,   15,
     109,    9,   55,   10,    1,    2,    1,    2,
       3,   12,    6,    2,    6,    7,   28,    7,
      15,    8,    5,   18,   29,  152,   77,   24,
      25,   26,   39,  108,   13,  109,   55,   56,
      57,  116,   11,  153,  234,  235,  118,  119,
      15 /* 73 elements */
  }
};
531
const uint8_t ff_vc1_mv_diff_bits[4][73] = {
532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565
  {
     6,  7,  7,  8, 14,  6,  5,  6,  7, 14, 14,  6,  6,  6,  8,  9,
    10,  9,  7,  7,  7, 14, 14, 10,  9, 10,  8, 10, 10, 14, 14, 14,
    13, 13, 13,  6,  3,  5,  6,  8,  9, 13,  5,  4,  4,  5,  7,  9,
     6,  5,  5,  5,  6,  9,  8,  5,  5,  5,  7, 10,  7,  7,  7,  7,
     7,  8, 10,  9,  8,  9,  9,  9,  3 /* 73 elements */
  },
  {
     5,  7,  7,  6,  6,  5,  5,  6,  7,  5,  7,  8,  8,  8, 14,  9,
     9,  9,  8, 14, 14,  9,  9, 14,  9, 14, 14, 14, 14, 14, 14, 14,
    14, 14, 14, 14,  2,  3,  6,  8,  8,  6,  3,  4,  6,  8,  6,  9,
     6,  6,  6,  8,  8,  8, 14,  7,  7,  8,  7,  9, 13,  9,  8,  9,
    13,  9, 13, 13, 13, 13, 13, 13,  5 /* 73 elements */

  },
  {
     3, 12, 12, 12, 12,  3,  4, 11, 11, 11, 11, 11, 11, 11, 11, 11,
    11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
    11, 11, 11, 11,  1,  5, 11, 11, 11, 11,  4,  4, 11, 11, 11, 11,
    11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
    11, 11, 11, 11, 11, 11, 11, 11, 11 /* 73 elements */
  },
  {
    15, 11, 15, 15, 15, 15, 12, 15, 12, 11, 12, 12, 15, 12, 12, 12,
    12, 15, 15, 12, 15, 10, 11, 12, 11, 10, 11, 10, 15, 15, 15, 11,
    15, 10, 14, 10,  4,  4,  5,  7,  8,  9,  5,  3,  4,  5,  6,  8,
     5,  4,  3,  5,  6,  8,  7,  5,  5,  5,  6,  7,  9,  7,  6,  6,
     6,  7, 10,  8,  8,  8,  7,  7,  4 /* 73 elements */
  }
};

/* DC differentials low+hi-mo, p217 are the same as in msmpeg4data .h */

/* Table 232 */
566
const int8_t ff_vc1_simple_progressive_4x4_zz [16] =
567 568 569 570 571 572 573
{
       0,     8,    16,     1,
       9,    24,    17,     2,
      10,    18,    25,     3,
      11,    26,    19,    27
};

574
const int8_t ff_vc1_adv_progressive_8x4_zz [32] = /* Table 233 */
575 576 577 578 579 580 581
{
       0,     8,     1,    16,     2,     9,    10,     3,
      24,    17,     4,    11,    18,    12,     5,    19,
      25,    13,    20,    26,    27,     6,    21,    28,
      14,    22,    29,     7,    30,    15,    23,    31
};

582
const int8_t ff_vc1_adv_progressive_4x8_zz [32] = /* Table 234 */
583 584 585 586 587 588 589 590 591 592 593
{
       0,     1,     8,     2,
       9,    16,    17,    24,
      10,    32,    25,    18,
      40,     3,    33,    26,
      48,    11,    56,    41,
      34,    49,    57,    42,
      19,    50,    27,    58,
      35,    43,    51,    59
};

594
const int8_t ff_vc1_adv_interlaced_8x8_zz [64] = /* Table 235 */
595 596 597 598 599 600 601 602 603 604 605
{
       0,     8,     1,    16,    24,     9,     2,    32,
      40,    48,    56,    17,    10,     3,    25,    18,
      11,     4,    33,    41,    49,    57,    26,    34,
      42,    50,    58,    19,    12,     5,    27,    20,
      13,     6,    35,    28,    21,    14,     7,    15,
      22,    29,    36,    43,    51,    59,    60,    52,
      44,    37,    30,    23,    31,    38,    45,    53,
      61,    62,    54,    46,    39,    47,    55,    63
};

606
const int8_t ff_vc1_adv_interlaced_8x4_zz [32] = /* Table 236 */
607 608 609 610 611 612 613
{
       0,     8,    16,    24,     1,     9,     2,    17,
      25,    10,     3,    18,    26,     4,    11,    19,
      12,     5,    13,    20,    27,     6,    21,    28,
      14,    22,    29,     7,    30,    15,    23,    31
};

614
const int8_t ff_vc1_adv_interlaced_4x8_zz [32] = /* Table 237 */
615 616 617 618 619 620 621 622 623 624 625
{
       0,     1,     2,     8,
      16,     9,    24,    17,
      10,     3,    32,    40,
      48,    56,    25,    18,
      33,    26,    41,    34,
      49,    57,    11,    42,
      19,    50,    27,    58,
      35,    43,    51,    59
};

626
const int8_t ff_vc1_adv_interlaced_4x4_zz [16] = /* Table 238 */
627 628 629 630 631 632 633 634 635
{
       0,     8,    16,    24,
       1,     9,    17,     2,
      25,    10,    18,     3,
      26,    11,    19,    27
};


/* DQScale as specified in 8.1.3.9 - almost identical to 0x40000/i */
636
const int32_t ff_vc1_dqscale[63] = {
637 638 639 640 641 642 643 644 645
0x40000, 0x20000, 0x15555, 0x10000, 0xCCCD, 0xAAAB, 0x9249, 0x8000,
    0x71C7, 0x6666, 0x5D17, 0x5555, 0x4EC5, 0x4925, 0x4444, 0x4000,
    0x3C3C, 0x38E4, 0x35E5, 0x3333, 0x30C3, 0x2E8C, 0x2C86, 0x2AAB,
    0x28F6, 0x2762, 0x25ED, 0x2492, 0x234F, 0x2222, 0x2108, 0x2000,
    0x1F08, 0x1E1E, 0x1D42, 0x1C72, 0x1BAD, 0x1AF3, 0x1A42, 0x199A,
    0x18FA, 0x1862, 0x17D0, 0x1746, 0x16C1, 0x1643, 0x15CA, 0x1555,
    0x14E6, 0x147B, 0x1414, 0x13B1, 0x1352, 0x12F7, 0x129E, 0x1249,
    0x11F7, 0x11A8, 0x115B, 0x1111, 0x10C9, 0x1084, 0x1000
};