libavcodec/cavsdata.h

   1 /*
   2  * Chinese AVS video (AVS1-P2, JiZhun profile) decoder.
   3  * Copyright (c) 2006  Stefan Gehrer <stefan.gehrer@gmx.de>
   4  *
   5  * This file is part of FFmpeg.
   6  *
   7  * FFmpeg is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * FFmpeg is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with FFmpeg; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20  */
  21
  22 #ifndef FFMPEG_CAVSDATA_H
  23 #define FFMPEG_CAVSDATA_H
  24
  25 #include "cavs.h"
  26
  27 const uint8_t ff_cavs_partition_flags[30] = {
  28   0,                                 //I_8X8
  29   0,                                 //P_SKIP
  30   0,                                 //P_16X16
  31                       SPLITH,        //P_16X8
  32                              SPLITV, //P_8X16
  33                       SPLITH|SPLITV, //P_8X8
  34                       SPLITH|SPLITV, //B_SKIP
  35                       SPLITH|SPLITV, //B_DIRECT
  36   0,                                 //B_FWD_16X16
  37   0,                                 //B_BWD_16X16
  38   0,                                 //B_SYM_16X16
  39   FWD0|FWD1          |SPLITH,
  40   FWD0|FWD1                 |SPLITV,
  41   BWD0|BWD1          |SPLITH,
  42   BWD0|BWD1                 |SPLITV,
  43   FWD0|BWD1          |SPLITH,
  44   FWD0|BWD1                 |SPLITV,
  45   BWD0|FWD1          |SPLITH,
  46   BWD0|FWD1                 |SPLITV,
  47   FWD0|FWD1     |SYM1|SPLITH,
  48   FWD0|FWD1     |SYM1       |SPLITV,
  49   BWD0|FWD1     |SYM1|SPLITH,
  50   BWD0|FWD1     |SYM1       |SPLITV,
  51   FWD0|FWD1|SYM0     |SPLITH,
  52   FWD0|FWD1|SYM0            |SPLITV,
  53   FWD0|BWD1|SYM0     |SPLITH,
  54   FWD0|BWD1|SYM0            |SPLITV,
  55   FWD0|FWD1|SYM0|SYM1|SPLITH,
  56   FWD0|FWD1|SYM0|SYM1       |SPLITV,
  57                       SPLITH|SPLITV, //B_8X8 = 29
  58 };
  59
  60 const uint8_t ff_cavs_scan3x3[4] = {4,5,7,8};
  61
  62 const uint8_t ff_cavs_chroma_qp[64] = {
  63   0,  1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,
  64   16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,
  65   32,33,34,35,36,37,38,39,40,41,42,42,43,43,44,44,
  66   45,45,46,46,47,47,48,48,48,49,49,49,50,50,50,51
  67 };
  68
  69 const uint8_t ff_cavs_dequant_shift[64] = {
  70   14,14,14,14,14,14,14,14,
  71   13,13,13,13,13,13,13,13,
  72   13,12,12,12,12,12,12,12,
  73   11,11,11,11,11,11,11,11,
  74   11,10,10,10,10,10,10,10,
  75   10, 9, 9, 9, 9, 9, 9, 9,
  76   9, 8, 8, 8, 8, 8, 8, 8,
  77   7, 7, 7, 7, 7, 7, 7, 7
  78 };
  79
  80 const uint16_t ff_cavs_dequant_mul[64] = {
  81   32768,36061,38968,42495,46341,50535,55437,60424,
  82   32932,35734,38968,42495,46177,50535,55109,59933,
  83   65535,35734,38968,42577,46341,50617,55027,60097,
  84   32809,35734,38968,42454,46382,50576,55109,60056,
  85   65535,35734,38968,42495,46320,50515,55109,60076,
  86   65535,35744,38968,42495,46341,50535,55099,60087,
  87   65535,35734,38973,42500,46341,50535,55109,60097,
  88   32771,35734,38965,42497,46341,50535,55109,60099
  89 };
  90
  91 /** marks block as unavailable, i.e. out of picture
  92     or not yet decoded */
  93 const vector_t ff_cavs_un_mv    = {0,0,1,NOT_AVAIL};
  94
  95 /** marks block as "no prediction from this direction"
  96     e.g. forward motion vector in BWD partition */
  97 const vector_t ff_cavs_dir_mv   = {0,0,1,REF_DIR};
  98
  99 /** marks block as using intra prediction */
 100 const vector_t ff_cavs_intra_mv = {0,0,1,REF_INTRA};
 101
 102 #define EOB 0,0,0
 103
 104 const dec_2dvlc_t ff_cavs_intra_dec[7] = {
 105   {
 106     { //level / run / table_inc
 107       {  1, 1, 1},{ -1, 1, 1},{  1, 2, 1},{ -1, 2, 1},{  1, 3, 1},{ -1, 3, 1},
 108       {  1, 4, 1},{ -1, 4, 1},{  1, 5, 1},{ -1, 5, 1},{  1, 6, 1},{ -1, 6, 1},
 109       {  1, 7, 1},{ -1, 7, 1},{  1, 8, 1},{ -1, 8, 1},{  1, 9, 1},{ -1, 9, 1},
 110       {  1,10, 1},{ -1,10, 1},{  1,11, 1},{ -1,11, 1},{  2, 1, 2},{ -2, 1, 2},
 111       {  1,12, 1},{ -1,12, 1},{  1,13, 1},{ -1,13, 1},{  1,14, 1},{ -1,14, 1},
 112       {  1,15, 1},{ -1,15, 1},{  2, 2, 2},{ -2, 2, 2},{  1,16, 1},{ -1,16, 1},
 113       {  1,17, 1},{ -1,17, 1},{  3, 1, 3},{ -3, 1, 3},{  1,18, 1},{ -1,18, 1},
 114       {  1,19, 1},{ -1,19, 1},{  2, 3, 2},{ -2, 3, 2},{  1,20, 1},{ -1,20, 1},
 115       {  1,21, 1},{ -1,21, 1},{  2, 4, 2},{ -2, 4, 2},{  1,22, 1},{ -1,22, 1},
 116       {  2, 5, 2},{ -2, 5, 2},{  1,23, 1},{ -1,23, 1},{   EOB   }
 117     },
 118     //level_add
 119     { 0, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
 120       2, 2, 2, 2, 2, 2, 2,-1,-1,-1},
 121     2, //golomb_order
 122     0, //inc_limit
 123     23, //max_run
 124   },{
 125     { //level / run
 126       {  1, 1, 0},{ -1, 1, 0},{  1, 2, 0},{ -1, 2, 0},{  2, 1, 1},{ -2, 1, 1},
 127       {  1, 3, 0},{ -1, 3, 0},{   EOB   },{  1, 4, 0},{ -1, 4, 0},{  1, 5, 0},
 128       { -1, 5, 0},{  1, 6, 0},{ -1, 6, 0},{  3, 1, 2},{ -3, 1, 2},{  2, 2, 1},
 129       { -2, 2, 1},{  1, 7, 0},{ -1, 7, 0},{  1, 8, 0},{ -1, 8, 0},{  1, 9, 0},
 130       { -1, 9, 0},{  2, 3, 1},{ -2, 3, 1},{  4, 1, 2},{ -4, 1, 2},{  1,10, 0},
 131       { -1,10, 0},{  1,11, 0},{ -1,11, 0},{  2, 4, 1},{ -2, 4, 1},{  3, 2, 2},
 132       { -3, 2, 2},{  1,12, 0},{ -1,12, 0},{  2, 5, 1},{ -2, 5, 1},{  5, 1, 3},
 133       { -5, 1, 3},{  1,13, 0},{ -1,13, 0},{  2, 6, 1},{ -2, 6, 1},{  1,14, 0},
 134       { -1,14, 0},{  2, 7, 1},{ -2, 7, 1},{  2, 8, 1},{ -2, 8, 1},{  3, 3, 2},
 135       { -3, 3, 2},{  6, 1, 3},{ -6, 1, 3},{  1,15, 0},{ -1,15, 0}
 136     },
 137     //level_add
 138     { 0, 7, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2,-1,
 139       -1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
 140     2, //golomb_order
 141     1, //inc_limit
 142     15, //max_run
 143   },{
 144     { //level / run
 145       {  1, 1, 0},{ -1, 1, 0},{  2, 1, 0},{ -2, 1, 0},{  1, 2, 0},{ -1, 2, 0},
 146       {  3, 1, 1},{ -3, 1, 1},{   EOB   },{  1, 3, 0},{ -1, 3, 0},{  2, 2, 0},
 147       { -2, 2, 0},{  4, 1, 1},{ -4, 1, 1},{  1, 4, 0},{ -1, 4, 0},{  5, 1, 2},
 148       { -5, 1, 2},{  1, 5, 0},{ -1, 5, 0},{  3, 2, 1},{ -3, 2, 1},{  2, 3, 0},
 149       { -2, 3, 0},{  1, 6, 0},{ -1, 6, 0},{  6, 1, 2},{ -6, 1, 2},{  2, 4, 0},
 150       { -2, 4, 0},{  1, 7, 0},{ -1, 7, 0},{  4, 2, 1},{ -4, 2, 1},{  7, 1, 2},
 151       { -7, 1, 2},{  3, 3, 1},{ -3, 3, 1},{  2, 5, 0},{ -2, 5, 0},{  1, 8, 0},
 152       { -1, 8, 0},{  2, 6, 0},{ -2, 6, 0},{  8, 1, 3},{ -8, 1, 3},{  1, 9, 0},
 153       { -1, 9, 0},{  5, 2, 2},{ -5, 2, 2},{  3, 4, 1},{ -3, 4, 1},{  2, 7, 0},
 154       { -2, 7, 0},{  9, 1, 3},{ -9, 1, 3},{  1,10, 0},{ -1,10, 0}
 155     },
 156     //level_add
 157     { 0,10, 6, 4, 4, 3, 3, 3, 2, 2, 2,-1,-1,-1,-1,-1,-1,
 158      -1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
 159     2, //golomb_order
 160     2, //inc_limit
 161     10, //max_run
 162   },{
 163     { //level / run
 164       {  1, 1, 0},{ -1, 1, 0},{  2, 1, 0},{ -2, 1, 0},{  3, 1, 0},{ -3, 1, 0},
 165       {  1, 2, 0},{ -1, 2, 0},{   EOB   },{  4, 1, 0},{ -4, 1, 0},{  5, 1, 1},
 166       { -5, 1, 1},{  2, 2, 0},{ -2, 2, 0},{  1, 3, 0},{ -1, 3, 0},{  6, 1, 1},
 167       { -6, 1, 1},{  3, 2, 0},{ -3, 2, 0},{  7, 1, 1},{ -7, 1, 1},{  1, 4, 0},
 168       { -1, 4, 0},{  8, 1, 2},{ -8, 1, 2},{  2, 3, 0},{ -2, 3, 0},{  4, 2, 0},
 169       { -4, 2, 0},{  1, 5, 0},{ -1, 5, 0},{  9, 1, 2},{ -9, 1, 2},{  5, 2, 1},
 170       { -5, 2, 1},{  2, 4, 0},{ -2, 4, 0},{ 10, 1, 2},{-10, 1, 2},{  3, 3, 0},
 171       { -3, 3, 0},{  1, 6, 0},{ -1, 6, 0},{ 11, 1, 3},{-11, 1, 3},{  6, 2, 1},
 172       { -6, 2, 1},{  1, 7, 0},{ -1, 7, 0},{  2, 5, 0},{ -2, 5, 0},{  3, 4, 0},
 173       { -3, 4, 0},{ 12, 1, 3},{-12, 1, 3},{  4, 3, 0},{ -4, 3, 0}
 174     },
 175     //level_add
 176     { 0,13, 7, 5, 4, 3, 2, 2,-1,-1,-1 -1,-1,-1,-1,-1,-1,
 177      -1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
 178     2, //golomb_order
 179     4, //inc_limit
 180     7, //max_run
 181   },{
 182     { //level / run
 183       {  1, 1, 0},{ -1, 1, 0},{  2, 1, 0},{ -2, 1, 0},{  3, 1, 0},{ -3, 1, 0},
 184       {   EOB   },{  4, 1, 0},{ -4, 1, 0},{  5, 1, 0},{ -5, 1, 0},{  6, 1, 0},
 185       { -6, 1, 0},{  1, 2, 0},{ -1, 2, 0},{  7, 1, 0},{ -7, 1, 0},{  8, 1, 1},
 186       { -8, 1, 1},{  2, 2, 0},{ -2, 2, 0},{  9, 1, 1},{ -9, 1, 1},{ 10, 1, 1},
 187       {-10, 1, 1},{  1, 3, 0},{ -1, 3, 0},{  3, 2, 0},{ -3, 2, 0},{ 11, 1, 2},
 188       {-11, 1, 2},{  4, 2, 0},{ -4, 2, 0},{ 12, 1, 2},{-12, 1, 2},{ 13, 1, 2},
 189       {-13, 1, 2},{  5, 2, 0},{ -5, 2, 0},{  1, 4, 0},{ -1, 4, 0},{  2, 3, 0},
 190       { -2, 3, 0},{ 14, 1, 2},{-14, 1, 2},{  6, 2, 0},{ -6, 2, 0},{ 15, 1, 2},
 191       {-15, 1, 2},{ 16, 1, 2},{-16, 1, 2},{  3, 3, 0},{ -3, 3, 0},{  1, 5, 0},
 192       { -1, 5, 0},{  7, 2, 0},{ -7, 2, 0},{ 17, 1, 2},{-17, 1, 2}
 193     },
 194     //level_add
 195     { 0,18, 8, 4, 2, 2,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
 196      -1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
 197     2, //golomb_order
 198     7, //inc_limit
 199     5, //max_run
 200   },{
 201     { //level / run
 202       {   EOB   },{  1, 1, 0},{ -1, 1, 0},{  2, 1, 0},{ -2, 1, 0},{  3, 1, 0},
 203       { -3, 1, 0},{  4, 1, 0},{ -4, 1, 0},{  5, 1, 0},{ -5, 1, 0},{  6, 1, 0},
 204       { -6, 1, 0},{  7, 1, 0},{ -7, 1, 0},{  8, 1, 0},{ -8, 1, 0},{  9, 1, 0},
 205       { -9, 1, 0},{ 10, 1, 0},{-10, 1, 0},{  1, 2, 0},{ -1, 2, 0},{ 11, 1, 1},
 206       {-11, 1, 1},{ 12, 1, 1},{-12, 1, 1},{ 13, 1, 1},{-13, 1, 1},{  2, 2, 0},
 207       { -2, 2, 0},{ 14, 1, 1},{-14, 1, 1},{ 15, 1, 1},{-15, 1, 1},{  3, 2, 0},
 208       { -3, 2, 0},{ 16, 1, 1},{-16, 1, 1},{  1, 3, 0},{ -1, 3, 0},{ 17, 1, 1},
 209       {-17, 1, 1},{  4, 2, 0},{ -4, 2, 0},{ 18, 1, 1},{-18, 1, 1},{  5, 2, 0},
 210       { -5, 2, 0},{ 19, 1, 1},{-19, 1, 1},{ 20, 1, 1},{-20, 1, 1},{  6, 2, 0},
 211       { -6, 2, 0},{ 21, 1, 1},{-21, 1, 1},{  2, 3, 0},{ -2, 3, 0}
 212     },
 213     //level_add
 214     { 0,22, 7, 3,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
 215      -1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
 216     2, //golomb_order
 217     10, //inc_limit
 218     3, //max_run
 219   },{
 220     { //level / run
 221       {   EOB   },{  1, 1, 0},{ -1, 1, 0},{  2, 1, 0},{ -2, 1, 0},{  3, 1, 0},
 222       { -3, 1, 0},{  4, 1, 0},{ -4, 1, 0},{  5, 1, 0},{ -5, 1, 0},{  6, 1, 0},
 223       { -6, 1, 0},{  7, 1, 0},{ -7, 1, 0},{  8, 1, 0},{ -8, 1, 0},{  9, 1, 0},
 224       { -9, 1, 0},{ 10, 1, 0},{-10, 1, 0},{ 11, 1, 0},{-11, 1, 0},{ 12, 1, 0},
 225       {-12, 1, 0},{ 13, 1, 0},{-13, 1, 0},{ 14, 1, 0},{-14, 1, 0},{ 15, 1, 0},
 226       {-15, 1, 0},{ 16, 1, 0},{-16, 1, 0},{  1, 2, 0},{ -1, 2, 0},{ 17, 1, 0},
 227       {-17, 1, 0},{ 18, 1, 0},{-18, 1, 0},{ 19, 1, 0},{-19, 1, 0},{ 20, 1, 0},
 228       {-20, 1, 0},{ 21, 1, 0},{-21, 1, 0},{  2, 2, 0},{ -2, 2, 0},{ 22, 1, 0},
 229       {-22, 1, 0},{ 23, 1, 0},{-23, 1, 0},{ 24, 1, 0},{-24, 1, 0},{ 25, 1, 0},
 230       {-25, 1, 0},{  3, 2, 0},{ -3, 2, 0},{ 26, 1, 0},{-26, 1, 0}
 231     },
 232     //level_add
 233     { 0,27, 4,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
 234      -1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
 235     2, //golomb_order
 236     INT_MAX, //inc_limit
 237     2, //max_run
 238   }
 239 };
 240
 241 const dec_2dvlc_t ff_cavs_inter_dec[7] = {
 242   {
 243     { //level / run
 244       {  1, 1, 1},{ -1, 1, 1},{  1, 2, 1},{ -1, 2, 1},{  1, 3, 1},{ -1, 3, 1},
 245       {  1, 4, 1},{ -1, 4, 1},{  1, 5, 1},{ -1, 5, 1},{  1, 6, 1},{ -1, 6, 1},
 246       {  1, 7, 1},{ -1, 7, 1},{  1, 8, 1},{ -1, 8, 1},{  1, 9, 1},{ -1, 9, 1},
 247       {  1,10, 1},{ -1,10, 1},{  1,11, 1},{ -1,11, 1},{  1,12, 1},{ -1,12, 1},
 248       {  1,13, 1},{ -1,13, 1},{  2, 1, 2},{ -2, 1, 2},{  1,14, 1},{ -1,14, 1},
 249       {  1,15, 1},{ -1,15, 1},{  1,16, 1},{ -1,16, 1},{  1,17, 1},{ -1,17, 1},
 250       {  1,18, 1},{ -1,18, 1},{  1,19, 1},{ -1,19, 1},{  3, 1, 3},{ -3, 1, 3},
 251       {  1,20, 1},{ -1,20, 1},{  1,21, 1},{ -1,21, 1},{  2, 2, 2},{ -2, 2, 2},
 252       {  1,22, 1},{ -1,22, 1},{  1,23, 1},{ -1,23, 1},{  1,24, 1},{ -1,24, 1},
 253       {  1,25, 1},{ -1,25, 1},{  1,26, 1},{ -1,26, 1},{   EOB   }
 254     },
 255     //level_add
 256     { 0, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
 257       2, 2, 2, 2, 2, 2, 2, 2, 2, 2},
 258     3, //golomb_order
 259     0, //inc_limit
 260     26 //max_run
 261   },{
 262     { //level / run
 263       {  1, 1, 0},{ -1, 1, 0},{   EOB   },{  1, 2, 0},{ -1, 2, 0},{  1, 3, 0},
 264       { -1, 3, 0},{  1, 4, 0},{ -1, 4, 0},{  1, 5, 0},{ -1, 5, 0},{  1, 6, 0},
 265       { -1, 6, 0},{  2, 1, 1},{ -2, 1, 1},{  1, 7, 0},{ -1, 7, 0},{  1, 8, 0},
 266       { -1, 8, 0},{  1, 9, 0},{ -1, 9, 0},{  1,10, 0},{ -1,10, 0},{  2, 2, 1},
 267       { -2, 2, 1},{  1,11, 0},{ -1,11, 0},{  1,12, 0},{ -1,12, 0},{  3, 1, 2},
 268       { -3, 1, 2},{  1,13, 0},{ -1,13, 0},{  1,14, 0},{ -1,14, 0},{  2, 3, 1},
 269       { -2, 3, 1},{  1,15, 0},{ -1,15, 0},{  2, 4, 1},{ -2, 4, 1},{  1,16, 0},
 270       { -1,16, 0},{  2, 5, 1},{ -2, 5, 1},{  1,17, 0},{ -1,17, 0},{  4, 1, 3},
 271       { -4, 1, 3},{  2, 6, 1},{ -2, 6, 1},{  1,18, 0},{ -1,18, 0},{  1,19, 0},
 272       { -1,19, 0},{  2, 7, 1},{ -2, 7, 1},{  3, 2, 2},{ -3, 2, 2}
 273     },
 274     //level_add
 275     { 0, 5, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2,
 276       2, 2, 2,-1,-1,-1,-1,-1,-1,-1},
 277     2, //golomb_order
 278     1, //inc_limit
 279     19 //max_run
 280   },{
 281     { //level / run
 282       {  1, 1, 0},{ -1, 1, 0},{   EOB   },{  1, 2, 0},{ -1, 2, 0},{  2, 1, 0},
 283       { -2, 1, 0},{  1, 3, 0},{ -1, 3, 0},{  1, 4, 0},{ -1, 4, 0},{  3, 1, 1},
 284       { -3, 1, 1},{  2, 2, 0},{ -2, 2, 0},{  1, 5, 0},{ -1, 5, 0},{  1, 6, 0},
 285       { -1, 6, 0},{  1, 7, 0},{ -1, 7, 0},{  2, 3, 0},{ -2, 3, 0},{  4, 1, 2},
 286       { -4, 1, 2},{  1, 8, 0},{ -1, 8, 0},{  3, 2, 1},{ -3, 2, 1},{  2, 4, 0},
 287       { -2, 4, 0},{  1, 9, 0},{ -1, 9, 0},{  1,10, 0},{ -1,10, 0},{  5, 1, 2},
 288       { -5, 1, 2},{  2, 5, 0},{ -2, 5, 0},{  1,11, 0},{ -1,11, 0},{  2, 6, 0},
 289       { -2, 6, 0},{  1,12, 0},{ -1,12, 0},{  3, 3, 1},{ -3, 3, 1},{  6, 1, 2},
 290       { -6, 1, 2},{  4, 2, 2},{ -4, 2, 2},{  1,13, 0},{ -1,13, 0},{  2, 7, 0},
 291       { -2, 7, 0},{  3, 4, 1},{ -3, 4, 1},{  1,14, 0},{ -1,14, 0}
 292     },
 293     //level_add
 294     { 0, 7, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2,-1,-1,
 295       -1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
 296     2, //golomb_order
 297     2, //inc_limit
 298     14 //max_run
 299   },{
 300     { //level / run
 301       {  1, 1, 0},{ -1, 1, 0},{   EOB   },{  2, 1, 0},{ -2, 1, 0},{  1, 2, 0},
 302       { -1, 2, 0},{  3, 1, 0},{ -3, 1, 0},{  1, 3, 0},{ -1, 3, 0},{  2, 2, 0},
 303       { -2, 2, 0},{  4, 1, 1},{ -4, 1, 1},{  1, 4, 0},{ -1, 4, 0},{  5, 1, 1},
 304       { -5, 1, 1},{  1, 5, 0},{ -1, 5, 0},{  3, 2, 0},{ -3, 2, 0},{  2, 3, 0},
 305       { -2, 3, 0},{  1, 6, 0},{ -1, 6, 0},{  6, 1, 1},{ -6, 1, 1},{  2, 4, 0},
 306       { -2, 4, 0},{  1, 7, 0},{ -1, 7, 0},{  4, 2, 1},{ -4, 2, 1},{  7, 1, 2},
 307       { -7, 1, 2},{  3, 3, 0},{ -3, 3, 0},{  1, 8, 0},{ -1, 8, 0},{  2, 5, 0},
 308       { -2, 5, 0},{  8, 1, 2},{ -8, 1, 2},{  1, 9, 0},{ -1, 9, 0},{  3, 4, 0},
 309       { -3, 4, 0},{  2, 6, 0},{ -2, 6, 0},{  5, 2, 1},{ -5, 2, 1},{  1,10, 0},
 310       { -1,10, 0},{  9, 1, 2},{ -9, 1, 2},{  4, 3, 1},{ -4, 3, 1}
 311     },
 312     //level_add
 313     { 0,10, 6, 5, 4, 3, 3, 2, 2, 2, 2,-1,-1,-1,-1,-1,-1,
 314      -1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
 315     2, //golomb_order
 316     3, //inc_limit
 317     10 //max_run
 318   },{
 319     { //level / run
 320       {  1, 1, 0},{ -1, 1, 0},{   EOB   },{  2, 1, 0},{ -2, 1, 0},{  3, 1, 0},
 321       { -3, 1, 0},{  1, 2, 0},{ -1, 2, 0},{  4, 1, 0},{ -4, 1, 0},{  5, 1, 0},
 322       { -5, 1, 0},{  2, 2, 0},{ -2, 2, 0},{  1, 3, 0},{ -1, 3, 0},{  6, 1, 0},
 323       { -6, 1, 0},{  3, 2, 0},{ -3, 2, 0},{  7, 1, 1},{ -7, 1, 1},{  1, 4, 0},
 324       { -1, 4, 0},{  8, 1, 1},{ -8, 1, 1},{  2, 3, 0},{ -2, 3, 0},{  4, 2, 0},
 325       { -4, 2, 0},{  1, 5, 0},{ -1, 5, 0},{  9, 1, 1},{ -9, 1, 1},{  5, 2, 0},
 326       { -5, 2, 0},{  2, 4, 0},{ -2, 4, 0},{  1, 6, 0},{ -1, 6, 0},{ 10, 1, 2},
 327       {-10, 1, 2},{  3, 3, 0},{ -3, 3, 0},{ 11, 1, 2},{-11, 1, 2},{  1, 7, 0},
 328       { -1, 7, 0},{  6, 2, 0},{ -6, 2, 0},{  3, 4, 0},{ -3, 4, 0},{  2, 5, 0},
 329       { -2, 5, 0},{ 12, 1, 2},{-12, 1, 2},{  4, 3, 0},{ -4, 3, 0}
 330     },
 331     //level_add
 332     { 0,13, 7, 5, 4, 3, 2, 2,-1,-1,-1,-1,-1,-1,-1,-1,-1,
 333      -1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
 334     2, //golomb_order
 335     6, //inc_limit
 336     7  //max_run
 337   },{
 338     { //level / run
 339       {   EOB   },{  1, 1, 0},{ -1, 1, 0},{  2, 1, 0},{ -2, 1, 0},{  3, 1, 0},
 340       { -3, 1, 0},{  4, 1, 0},{ -4, 1, 0},{  5, 1, 0},{ -5, 1, 0},{  1, 2, 0},
 341       { -1, 2, 0},{  6, 1, 0},{ -6, 1, 0},{  7, 1, 0},{ -7, 1, 0},{  8, 1, 0},
 342       { -8, 1, 0},{  2, 2, 0},{ -2, 2, 0},{  9, 1, 0},{ -9, 1, 0},{  1, 3, 0},
 343       { -1, 3, 0},{ 10, 1, 1},{-10, 1, 1},{  3, 2, 0},{ -3, 2, 0},{ 11, 1, 1},
 344       {-11, 1, 1},{  4, 2, 0},{ -4, 2, 0},{ 12, 1, 1},{-12, 1, 1},{  1, 4, 0},
 345       { -1, 4, 0},{  2, 3, 0},{ -2, 3, 0},{ 13, 1, 1},{-13, 1, 1},{  5, 2, 0},
 346       { -5, 2, 0},{ 14, 1, 1},{-14, 1, 1},{  6, 2, 0},{ -6, 2, 0},{  1, 5, 0},
 347       { -1, 5, 0},{ 15, 1, 1},{-15, 1, 1},{  3, 3, 0},{ -3, 3, 0},{ 16, 1, 1},
 348       {-16, 1, 1},{  2, 4, 0},{ -2, 4, 0},{  7, 2, 0},{ -7, 2, 0}
 349     },
 350     //level_add
 351     { 0,17, 8, 4, 3, 2,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
 352      -1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
 353     2, //golomb_order
 354     9, //inc_limit
 355     5  //max_run
 356   },{
 357     { //level / run
 358       {   EOB   },{  1, 1, 0},{ -1, 1, 0},{  2, 1, 0},{ -2, 1, 0},{  3, 1, 0},
 359       { -3, 1, 0},{  4, 1, 0},{ -4, 1, 0},{  5, 1, 0},{ -5, 1, 0},{  6, 1, 0},
 360       { -6, 1, 0},{  7, 1, 0},{ -7, 1, 0},{  1, 2, 0},{ -1, 2, 0},{  8, 1, 0},
 361       { -8, 1, 0},{  9, 1, 0},{ -9, 1, 0},{ 10, 1, 0},{-10, 1, 0},{ 11, 1, 0},
 362       {-11, 1, 0},{ 12, 1, 0},{-12, 1, 0},{  2, 2, 0},{ -2, 2, 0},{ 13, 1, 0},
 363       {-13, 1, 0},{  1, 3, 0},{ -1, 3, 0},{ 14, 1, 0},{-14, 1, 0},{ 15, 1, 0},
 364       {-15, 1, 0},{  3, 2, 0},{ -3, 2, 0},{ 16, 1, 0},{-16, 1, 0},{ 17, 1, 0},
 365       {-17, 1, 0},{ 18, 1, 0},{-18, 1, 0},{  4, 2, 0},{ -4, 2, 0},{ 19, 1, 0},
 366       {-19, 1, 0},{ 20, 1, 0},{-20, 1, 0},{  2, 3, 0},{ -2, 3, 0},{  1, 4, 0},
 367       { -1, 4, 0},{  5, 2, 0},{ -5, 2, 0},{ 21, 1, 0},{-21, 1, 0}
 368     },
 369     //level_add
 370     { 0,22, 6, 3, 2,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
 371      -1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
 372     2, //golomb_order
 373     INT_MAX, //inc_limit
 374     4 //max_run
 375   }
 376 };
 377
 378 const dec_2dvlc_t ff_cavs_chroma_dec[5] = {
 379   {
 380     { //level / run
 381       {  1, 1, 1},{ -1, 1, 1},{  1, 2, 1},{ -1, 2, 1},{  1, 3, 1},{ -1, 3, 1},
 382       {  1, 4, 1},{ -1, 4, 1},{  1, 5, 1},{ -1, 5, 1},{  1, 6, 1},{ -1, 6, 1},
 383       {  1, 7, 1},{ -1, 7, 1},{  2, 1, 2},{ -2, 1, 2},{  1, 8, 1},{ -1, 8, 1},
 384       {  1, 9, 1},{ -1, 9, 1},{  1,10, 1},{ -1,10, 1},{  1,11, 1},{ -1,11, 1},
 385       {  1,12, 1},{ -1,12, 1},{  1,13, 1},{ -1,13, 1},{  1,14, 1},{ -1,14, 1},
 386       {  1,15, 1},{ -1,15, 1},{  3, 1, 3},{ -3, 1, 3},{  1,16, 1},{ -1,16, 1},
 387       {  1,17, 1},{ -1,17, 1},{  1,18, 1},{ -1,18, 1},{  1,19, 1},{ -1,19, 1},
 388       {  1,20, 1},{ -1,20, 1},{  1,21, 1},{ -1,21, 1},{  1,22, 1},{ -1,22, 1},
 389       {  2, 2, 2},{ -2, 2, 2},{  1,23, 1},{ -1,23, 1},{  1,24, 1},{ -1,24, 1},
 390       {  1,25, 1},{ -1,25, 1},{  4, 1, 3},{ -4, 1, 3},{   EOB   }
 391     },
 392     //level_add
 393     { 0, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
 394       2, 2, 2, 2, 2, 2, 2, 2, 2,-1},
 395     2, //golomb_order
 396     0, //inc_limit
 397     25 //max_run
 398   },{
 399     { //level / run
 400       {   EOB   },{  1, 1, 0},{ -1, 1, 0},{  1, 2, 0},{ -1, 2, 0},{  2, 1, 1},
 401       { -2, 1, 1},{  1, 3, 0},{ -1, 3, 0},{  1, 4, 0},{ -1, 4, 0},{  1, 5, 0},
 402       { -1, 5, 0},{  1, 6, 0},{ -1, 6, 0},{  3, 1, 2},{ -3, 1, 2},{  1, 7, 0},
 403       { -1, 7, 0},{  1, 8, 0},{ -1, 8, 0},{  2, 2, 1},{ -2, 2, 1},{  1, 9, 0},
 404       { -1, 9, 0},{  1,10, 0},{ -1,10, 0},{  1,11, 0},{ -1,11, 0},{  4, 1, 2},
 405       { -4, 1, 2},{  1,12, 0},{ -1,12, 0},{  1,13, 0},{ -1,13, 0},{  1,14, 0},
 406       { -1,14, 0},{  2, 3, 1},{ -2, 3, 1},{  1,15, 0},{ -1,15, 0},{  2, 4, 1},
 407       { -2, 4, 1},{  5, 1, 3},{ -5, 1, 3},{  3, 2, 2},{ -3, 2, 2},{  1,16, 0},
 408       { -1,16, 0},{  1,17, 0},{ -1,17, 0},{  1,18, 0},{ -1,18, 0},{  2, 5, 1},
 409       { -2, 5, 1},{  1,19, 0},{ -1,19, 0},{  1,20, 0},{ -1,20, 0}
 410     },
 411     //level_add
 412     { 0, 6, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
 413       2, 2, 2, 2,-1,-1,-1,-1,-1,-1},
 414     0, //golomb_order
 415     1, //inc_limit
 416     20 //max_run
 417   },{
 418     { //level / run
 419       {  1, 1, 0},{ -1, 1, 0},{   EOB   },{  2, 1, 0},{ -2, 1, 0},{  1, 2, 0},
 420       { -1, 2, 0},{  3, 1, 1},{ -3, 1, 1},{  1, 3, 0},{ -1, 3, 0},{  4, 1, 1},
 421       { -4, 1, 1},{  2, 2, 0},{ -2, 2, 0},{  1, 4, 0},{ -1, 4, 0},{  5, 1, 2},
 422       { -5, 1, 2},{  1, 5, 0},{ -1, 5, 0},{  3, 2, 1},{ -3, 2, 1},{  2, 3, 0},
 423       { -2, 3, 0},{  1, 6, 0},{ -1, 6, 0},{  6, 1, 2},{ -6, 1, 2},{  1, 7, 0},
 424       { -1, 7, 0},{  2, 4, 0},{ -2, 4, 0},{  7, 1, 2},{ -7, 1, 2},{  1, 8, 0},
 425       { -1, 8, 0},{  4, 2, 1},{ -4, 2, 1},{  1, 9, 0},{ -1, 9, 0},{  3, 3, 1},
 426       { -3, 3, 1},{  2, 5, 0},{ -2, 5, 0},{  2, 6, 0},{ -2, 6, 0},{  8, 1, 2},
 427       { -8, 1, 2},{  1,10, 0},{ -1,10, 0},{  1,11, 0},{ -1,11, 0},{  9, 1, 2},
 428       { -9, 1, 2},{  5, 2, 2},{ -5, 2, 2},{  3, 4, 1},{ -3, 4, 1},
 429     },
 430     //level_add
 431     { 0,10, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2,-1,-1,-1,-1,-1,
 432      -1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
 433     1, //golomb_order
 434     2, //inc_limit
 435     11 //max_run
 436   },{
 437     { //level / run
 438       {   EOB   },{  1, 1, 0},{ -1, 1, 0},{  2, 1, 0},{ -2, 1, 0},{  3, 1, 0},
 439       { -3, 1, 0},{  4, 1, 0},{ -4, 1, 0},{  1, 2, 0},{ -1, 2, 0},{  5, 1, 1},
 440       { -5, 1, 1},{  2, 2, 0},{ -2, 2, 0},{  6, 1, 1},{ -6, 1, 1},{  1, 3, 0},
 441       { -1, 3, 0},{  7, 1, 1},{ -7, 1, 1},{  3, 2, 0},{ -3, 2, 0},{  8, 1, 1},
 442       { -8, 1, 1},{  1, 4, 0},{ -1, 4, 0},{  2, 3, 0},{ -2, 3, 0},{  9, 1, 1},
 443       { -9, 1, 1},{  4, 2, 0},{ -4, 2, 0},{  1, 5, 0},{ -1, 5, 0},{ 10, 1, 1},
 444       {-10, 1, 1},{  3, 3, 0},{ -3, 3, 0},{  5, 2, 1},{ -5, 2, 1},{  2, 4, 0},
 445       { -2, 4, 0},{ 11, 1, 1},{-11, 1, 1},{  1, 6, 0},{ -1, 6, 0},{ 12, 1, 1},
 446       {-12, 1, 1},{  1, 7, 0},{ -1, 7, 0},{  6, 2, 1},{ -6, 2, 1},{ 13, 1, 1},
 447       {-13, 1, 1},{  2, 5, 0},{ -2, 5, 0},{  1, 8, 0},{ -1, 8, 0},
 448     },
 449     //level_add
 450     { 0,14, 7, 4, 3, 3, 2, 2, 2,-1,-1,-1,-1,-1,-1,-1,-1,
 451      -1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
 452     1, //golomb_order
 453     4, //inc_limit
 454     8  //max_run
 455   },{
 456     { //level / run
 457       {   EOB   },{  1, 1, 0},{ -1, 1, 0},{  2, 1, 0},{ -2, 1, 0},{  3, 1, 0},
 458       { -3, 1, 0},{  4, 1, 0},{ -4, 1, 0},{  5, 1, 0},{ -5, 1, 0},{  6, 1, 0},
 459       { -6, 1, 0},{  7, 1, 0},{ -7, 1, 0},{  8, 1, 0},{ -8, 1, 0},{  1, 2, 0},
 460       { -1, 2, 0},{  9, 1, 0},{ -9, 1, 0},{ 10, 1, 0},{-10, 1, 0},{ 11, 1, 0},
 461       {-11, 1, 0},{  2, 2, 0},{ -2, 2, 0},{ 12, 1, 0},{-12, 1, 0},{ 13, 1, 0},
 462       {-13, 1, 0},{  3, 2, 0},{ -3, 2, 0},{ 14, 1, 0},{-14, 1, 0},{  1, 3, 0},
 463       { -1, 3, 0},{ 15, 1, 0},{-15, 1, 0},{  4, 2, 0},{ -4, 2, 0},{ 16, 1, 0},
 464       {-16, 1, 0},{ 17, 1, 0},{-17, 1, 0},{  5, 2, 0},{ -5, 2, 0},{  1, 4, 0},
 465       { -1, 4, 0},{  2, 3, 0},{ -2, 3, 0},{ 18, 1, 0},{-18, 1, 0},{  6, 2, 0},
 466       { -6, 2, 0},{ 19, 1, 0},{-19, 1, 0},{  1, 5, 0},{ -1, 5, 0},
 467     },
 468     //level_add
 469     { 0,20, 7, 3, 2, 2,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
 470      -1,-1,-1,-1,-1,-1,-1,-1,-1,-1},
 471     0, //golomb_order
 472     INT_MAX, //inc_limit
 473     5, //max_run
 474   }
 475 };
 476
 477 #undef EOB
 478
 479 static const uint8_t alpha_tab[64] = {
 480    0,  0,  0,  0,  0,  0,  1,  1,  1,  1,  1,  2,  2,  2,  3,  3,
 481    4,  4,  5,  5,  6,  7,  8,  9, 10, 11, 12, 13, 15, 16, 18, 20,
 482   22, 24, 26, 28, 30, 33, 33, 35, 35, 36, 37, 37, 39, 39, 42, 44,
 483   46, 48, 50, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64
 484 };
 485
 486 static const uint8_t beta_tab[64] = {
 487    0,  0,  0,  0,  0,  0,  1,  1,  1,  1,  1,  1,  1,  2,  2,  2,
 488    2,  2,  3,  3,  3,  3,  4,  4,  4,  4,  5,  5,  5,  5,  6,  6,
 489    6,  7,  7,  7,  8,  8,  8,  9,  9, 10, 10, 11, 11, 12, 13, 14,
 490   15, 16, 17, 18, 19, 20, 21, 22, 23, 23, 24, 24, 25, 25, 26, 27
 491 };
 492
 493 static const uint8_t tc_tab[64] = {
 494   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 495   1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2,
 496   2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4,
 497   5, 5, 5, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 9, 9, 9
 498 };
 499
 500 const int_fast8_t ff_left_modifier_l[8] = { 0,-1, 6,-1,-1, 7, 6, 7};
 501 const int_fast8_t ff_top_modifier_l[8]  = {-1, 1, 5,-1,-1, 5, 7, 7};
 502 const int_fast8_t ff_left_modifier_c[7] = { 5,-1, 2,-1, 6, 5, 6};
 503 const int_fast8_t ff_top_modifier_c[7]  = { 4, 1,-1,-1, 4, 6, 6};
 504
 505 #endif /* FFMPEG_CAVSDATA_H */