ffmpeg/libavcodec/vp56data.c

   1 /*
   2  * Copyright (C) 2006  Aurelien Jacobs <aurel@gnuage.org>
   3  *
   4  * This file is part of FFmpeg.
   5  *
   6  * FFmpeg is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * FFmpeg is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with FFmpeg; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20
  21 /**
  22  * @file
  23  * VP5 and VP6 compatible video decoder (common data)
  24  */
  25
  26 #include "vp56data.h"
  27
  28 const uint8_t ff_vp56_b2p[]   = { 0, 0, 0, 0, 1, 2, 3, 3, 3, 3 };
  29 const uint8_t ff_vp56_b6to4[] = { 0, 0, 1, 1, 2, 3 };
  30
  31 const uint8_t ff_vp56_coeff_parse_table[6][11] = {
  32     { 159,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0 },
  33     { 145, 165,   0,   0,   0,   0,   0,   0,   0,   0,   0 },
  34     { 140, 148, 173,   0,   0,   0,   0,   0,   0,   0,   0 },
  35     { 135, 140, 155, 176,   0,   0,   0,   0,   0,   0,   0 },
  36     { 130, 134, 141, 157, 180,   0,   0,   0,   0,   0,   0 },
  37     { 129, 130, 133, 140, 153, 177, 196, 230, 243, 254, 254 },
  38 };
  39
  40 const uint8_t ff_vp56_def_mb_types_stats[3][10][2] = {
  41     { {  69, 42 }, {   1,  2 }, {  1,   7 }, {  44, 42 }, {  6, 22 },
  42       {   1,  3 }, {   0,  2 }, {  1,   5 }, {   0,  1 }, {  0,  0 }, },
  43     { { 229,  8 }, {   1,  1 }, {  0,   8 }, {   0,  0 }, {  0,  0 },
  44       {   1,  2 }, {   0,  1 }, {  0,   0 }, {   1,  1 }, {  0,  0 }, },
  45     { { 122, 35 }, {   1,  1 }, {  1,   6 }, {  46, 34 }, {  0,  0 },
  46       {   1,  2 }, {   0,  1 }, {  0,   1 }, {   1,  1 }, {  0,  0 }, },
  47 };
  48
  49 const VP56Tree ff_vp56_pva_tree[] = {
  50     { 8, 0},
  51     { 4, 1},
  52     { 2, 2}, {-0}, {-1},
  53     { 2, 3}, {-2}, {-3},
  54     { 4, 4},
  55     { 2, 5}, {-4}, {-5},
  56     { 2, 6}, {-6}, {-7},
  57 };
  58
  59 const VP56Tree ff_vp56_pc_tree[] = {
  60     { 4, 6},
  61     { 2, 7}, {-0}, {-1},
  62     { 4, 8},
  63     { 2, 9}, {-2}, {-3},
  64     { 2,10}, {-4}, {-5},
  65 };
  66
  67 const uint8_t ff_vp56_coeff_bias[] = { 0, 1, 2, 3, 4, 5, 7, 11, 19, 35, 67 };
  68 const uint8_t ff_vp56_coeff_bit_length[] = { 0, 1, 2, 3, 4, 10 };
  69
  70 const VP56Frame ff_vp56_reference_frame[] = {
  71     VP56_FRAME_PREVIOUS,  /* VP56_MB_INTER_NOVEC_PF */
  72     VP56_FRAME_CURRENT,   /* VP56_MB_INTRA */
  73     VP56_FRAME_PREVIOUS,  /* VP56_MB_INTER_DELTA_PF */
  74     VP56_FRAME_PREVIOUS,  /* VP56_MB_INTER_V1_PF */
  75     VP56_FRAME_PREVIOUS,  /* VP56_MB_INTER_V2_PF */
  76     VP56_FRAME_GOLDEN,    /* VP56_MB_INTER_NOVEC_GF */
  77     VP56_FRAME_GOLDEN,    /* VP56_MB_INTER_DELTA_GF */
  78     VP56_FRAME_PREVIOUS,  /* VP56_MB_INTER_4V */
  79     VP56_FRAME_GOLDEN,    /* VP56_MB_INTER_V1_GF */
  80     VP56_FRAME_GOLDEN,    /* VP56_MB_INTER_V2_GF */
  81 };
  82
  83 const uint8_t ff_vp56_ac_dequant[64] = {
  84     94, 92, 90, 88, 86, 82, 78, 74,
  85     70, 66, 62, 58, 54, 53, 52, 51,
  86     50, 49, 48, 47, 46, 45, 44, 43,
  87     42, 40, 39, 37, 36, 35, 34, 33,
  88     32, 31, 30, 29, 28, 27, 26, 25,
  89     24, 23, 22, 21, 20, 19, 18, 17,
  90     16, 15, 14, 13, 12, 11, 10,  9,
  91      8,  7,  6,  5,  4,  3,  2,  1,
  92 };
  93
  94 const uint8_t ff_vp56_dc_dequant[64] = {
  95     47, 47, 47, 47, 45, 43, 43, 43,
  96     43, 43, 42, 41, 41, 40, 40, 40,
  97     40, 35, 35, 35, 35, 33, 33, 33,
  98     33, 32, 32, 32, 27, 27, 26, 26,
  99     25, 25, 24, 24, 23, 23, 19, 19,
 100     19, 19, 18, 18, 17, 16, 16, 16,
 101     16, 16, 15, 11, 11, 11, 10, 10,
 102      9,  8,  7,  5,  3,  3,  2,  2,
 103 };
 104
 105 const uint8_t ff_vp56_pre_def_mb_type_stats[16][3][10][2] = {
 106   { { {   9, 15 }, {  32, 25 }, {  7,  19 }, {   9, 21 }, {  1, 12 },
 107       {  14, 12 }, {   3, 18 }, { 14,  23 }, {   3, 10 }, {  0,  4 }, },
 108     { {  41, 22 }, {   1,  0 }, {  1,  31 }, {   0,  0 }, {  0,  0 },
 109       {   0,  1 }, {   1,  7 }, {  0,   1 }, {  98, 25 }, {  4, 10 }, },
 110     { {   2,  3 }, {   2,  3 }, {  0,   2 }, {   0,  2 }, {  0,  0 },
 111       {  11,  4 }, {   1,  4 }, {  0,   2 }, {   3,  2 }, {  0,  4 }, }, },
 112   { { {  48, 39 }, {   1,  2 }, { 11,  27 }, {  29, 44 }, {  7, 27 },
 113       {   1,  4 }, {   0,  3 }, {  1,   6 }, {   1,  2 }, {  0,  0 }, },
 114     { { 123, 37 }, {   6,  4 }, {  1,  27 }, {   0,  0 }, {  0,  0 },
 115       {   5,  8 }, {   1,  7 }, {  0,   1 }, {  12, 10 }, {  0,  2 }, },
 116     { {  49, 46 }, {   3,  4 }, {  7,  31 }, {  42, 41 }, {  0,  0 },
 117       {   2,  6 }, {   1,  7 }, {  1,   4 }, {   2,  4 }, {  0,  1 }, }, },
 118   { { {  21, 32 }, {   1,  2 }, {  4,  10 }, {  32, 43 }, {  6, 23 },
 119       {   2,  3 }, {   1, 19 }, {  1,   6 }, {  12, 21 }, {  0,  7 }, },
 120     { {  26, 14 }, {  14, 12 }, {  0,  24 }, {   0,  0 }, {  0,  0 },
 121       {  55, 17 }, {   1,  9 }, {  0,  36 }, {   5,  7 }, {  1,  3 }, },
 122     { {  26, 25 }, {   1,  1 }, {  2,  10 }, {  67, 39 }, {  0,  0 },
 123       {   1,  1 }, {   0, 14 }, {  0,   2 }, {  31, 26 }, {  1,  6 }, }, },
 124   { { {  69, 83 }, {   0,  0 }, {  0,   2 }, {  10, 29 }, {  3, 12 },
 125       {   0,  1 }, {   0,  3 }, {  0,   3 }, {   2,  2 }, {  0,  0 }, },
 126     { { 209,  5 }, {   0,  0 }, {  0,  27 }, {   0,  0 }, {  0,  0 },
 127       {   0,  1 }, {   0,  1 }, {  0,   1 }, {   0,  0 }, {  0,  0 }, },
 128     { { 103, 46 }, {   1,  2 }, {  2,  10 }, {  33, 42 }, {  0,  0 },
 129       {   1,  4 }, {   0,  3 }, {  0,   1 }, {   1,  3 }, {  0,  0 }, }, },
 130   { { {  11, 20 }, {   1,  4 }, { 18,  36 }, {  43, 48 }, { 13, 35 },
 131       {   0,  2 }, {   0,  5 }, {  3,  12 }, {   1,  2 }, {  0,  0 }, },
 132     { {   2,  5 }, {   4,  5 }, {  0, 121 }, {   0,  0 }, {  0,  0 },
 133       {   0,  3 }, {   2,  4 }, {  1,   4 }, {   2,  2 }, {  0,  1 }, },
 134     { {  14, 31 }, {   9, 13 }, { 14,  54 }, {  22, 29 }, {  0,  0 },
 135       {   2,  6 }, {   4, 18 }, {  6,  13 }, {   1,  5 }, {  0,  1 }, }, },
 136   { { {  70, 44 }, {   0,  1 }, {  2,  10 }, {  37, 46 }, {  8, 26 },
 137       {   0,  2 }, {   0,  2 }, {  0,   2 }, {   0,  1 }, {  0,  0 }, },
 138     { { 175,  5 }, {   0,  1 }, {  0,  48 }, {   0,  0 }, {  0,  0 },
 139       {   0,  2 }, {   0,  1 }, {  0,   2 }, {   0,  1 }, {  0,  0 }, },
 140     { {  85, 39 }, {   0,  0 }, {  1,   9 }, {  69, 40 }, {  0,  0 },
 141       {   0,  1 }, {   0,  3 }, {  0,   1 }, {   2,  3 }, {  0,  0 }, }, },
 142   { { {   8, 15 }, {   0,  1 }, {  8,  21 }, {  74, 53 }, { 22, 42 },
 143       {   0,  1 }, {   0,  2 }, {  0,   3 }, {   1,  2 }, {  0,  0 }, },
 144     { {  83,  5 }, {   2,  3 }, {  0, 102 }, {   0,  0 }, {  0,  0 },
 145       {   1,  3 }, {   0,  2 }, {  0,   1 }, {   0,  0 }, {  0,  0 }, },
 146     { {  31, 28 }, {   0,  0 }, {  3,  14 }, { 130, 34 }, {  0,  0 },
 147       {   0,  1 }, {   0,  3 }, {  0,   1 }, {   3,  3 }, {  0,  1 }, }, },
 148   { { { 141, 42 }, {   0,  0 }, {  1,   4 }, {  11, 24 }, {  1, 11 },
 149       {   0,  1 }, {   0,  1 }, {  0,   2 }, {   0,  0 }, {  0,  0 }, },
 150     { { 233,  6 }, {   0,  0 }, {  0,   8 }, {   0,  0 }, {  0,  0 },
 151       {   0,  1 }, {   0,  1 }, {  0,   0 }, {   0,  1 }, {  0,  0 }, },
 152     { { 171, 25 }, {   0,  0 }, {  1,   5 }, {  25, 21 }, {  0,  0 },
 153       {   0,  1 }, {   0,  1 }, {  0,   0 }, {   0,  0 }, {  0,  0 }, }, },
 154   { { {   8, 19 }, {   4, 10 }, { 24,  45 }, {  21, 37 }, {  9, 29 },
 155       {   0,  3 }, {   1,  7 }, { 11,  25 }, {   0,  2 }, {  0,  1 }, },
 156     { {  34, 16 }, { 112, 21 }, {  1,  28 }, {   0,  0 }, {  0,  0 },
 157       {   6,  8 }, {   1,  7 }, {  0,   3 }, {   2,  5 }, {  0,  2 }, },
 158     { {  17, 21 }, {  68, 29 }, {  6,  15 }, {  13, 22 }, {  0,  0 },
 159       {   6, 12 }, {   3, 14 }, {  4,  10 }, {   1,  7 }, {  0,  3 }, }, },
 160   { { {  46, 42 }, {   0,  1 }, {  2,  10 }, {  54, 51 }, { 10, 30 },
 161       {   0,  2 }, {   0,  2 }, {  0,   1 }, {   0,  1 }, {  0,  0 }, },
 162     { { 159, 35 }, {   2,  2 }, {  0,  25 }, {   0,  0 }, {  0,  0 },
 163       {   3,  6 }, {   0,  5 }, {  0,   1 }, {   4,  4 }, {  0,  1 }, },
 164     { {  51, 39 }, {   0,  1 }, {  2,  12 }, {  91, 44 }, {  0,  0 },
 165       {   0,  2 }, {   0,  3 }, {  0,   1 }, {   2,  3 }, {  0,  1 }, }, },
 166   { { {  28, 32 }, {   0,  0 }, {  3,  10 }, {  75, 51 }, { 14, 33 },
 167       {   0,  1 }, {   0,  2 }, {  0,   1 }, {   1,  2 }, {  0,  0 }, },
 168     { {  75, 39 }, {   5,  7 }, {  2,  48 }, {   0,  0 }, {  0,  0 },
 169       {   3, 11 }, {   2, 16 }, {  1,   4 }, {   7, 10 }, {  0,  2 }, },
 170     { {  81, 25 }, {   0,  0 }, {  2,   9 }, { 106, 26 }, {  0,  0 },
 171       {   0,  1 }, {   0,  1 }, {  0,   1 }, {   1,  1 }, {  0,  0 }, }, },
 172   { { { 100, 46 }, {   0,  1 }, {  3,   9 }, {  21, 37 }, {  5, 20 },
 173       {   0,  1 }, {   0,  2 }, {  1,   2 }, {   0,  1 }, {  0,  0 }, },
 174     { { 212, 21 }, {   0,  1 }, {  0,   9 }, {   0,  0 }, {  0,  0 },
 175       {   1,  2 }, {   0,  2 }, {  0,   0 }, {   2,  2 }, {  0,  0 }, },
 176     { { 140, 37 }, {   0,  1 }, {  1,   8 }, {  24, 33 }, {  0,  0 },
 177       {   1,  2 }, {   0,  2 }, {  0,   1 }, {   1,  2 }, {  0,  0 }, }, },
 178   { { {  27, 29 }, {   0,  1 }, {  9,  25 }, {  53, 51 }, { 12, 34 },
 179       {   0,  1 }, {   0,  3 }, {  1,   5 }, {   0,  2 }, {  0,  0 }, },
 180     { {   4,  2 }, {   0,  0 }, {  0, 172 }, {   0,  0 }, {  0,  0 },
 181       {   0,  1 }, {   0,  2 }, {  0,   0 }, {   2,  0 }, {  0,  0 }, },
 182     { {  14, 23 }, {   1,  3 }, { 11,  53 }, {  90, 31 }, {  0,  0 },
 183       {   0,  3 }, {   1,  5 }, {  2,   6 }, {   1,  2 }, {  0,  0 }, }, },
 184   { { {  80, 38 }, {   0,  0 }, {  1,   4 }, {  69, 33 }, {  5, 16 },
 185       {   0,  1 }, {   0,  1 }, {  0,   0 }, {   0,  1 }, {  0,  0 }, },
 186     { { 187, 22 }, {   1,  1 }, {  0,  17 }, {   0,  0 }, {  0,  0 },
 187       {   3,  6 }, {   0,  4 }, {  0,   1 }, {   4,  4 }, {  0,  1 }, },
 188     { { 123, 29 }, {   0,  0 }, {  1,   7 }, {  57, 30 }, {  0,  0 },
 189       {   0,  1 }, {   0,  1 }, {  0,   1 }, {   0,  1 }, {  0,  0 }, }, },
 190   { { {  16, 20 }, {   0,  0 }, {  2,   8 }, { 104, 49 }, { 15, 33 },
 191       {   0,  1 }, {   0,  1 }, {  0,   1 }, {   1,  1 }, {  0,  0 }, },
 192     { { 133,  6 }, {   1,  2 }, {  1,  70 }, {   0,  0 }, {  0,  0 },
 193       {   0,  2 }, {   0,  4 }, {  0,   3 }, {   1,  1 }, {  0,  0 }, },
 194     { {  13, 14 }, {   0,  0 }, {  4,  20 }, { 175, 20 }, {  0,  0 },
 195       {   0,  1 }, {   0,  1 }, {  0,   1 }, {   1,  1 }, {  0,  0 }, }, },
 196   { { { 194, 16 }, {   0,  0 }, {  1,   1 }, {   1,  9 }, {  1,  3 },
 197       {   0,  0 }, {   0,  1 }, {  0,   1 }, {   0,  0 }, {  0,  0 }, },
 198     { { 251,  1 }, {   0,  0 }, {  0,   2 }, {   0,  0 }, {  0,  0 },
 199       {   0,  0 }, {   0,  0 }, {  0,   0 }, {   0,  0 }, {  0,  0 }, },
 200     { { 202, 23 }, {   0,  0 }, {  1,   3 }, {   2,  9 }, {  0,  0 },
 201       {   0,  1 }, {   0,  1 }, {  0,   1 }, {   0,  0 }, {  0,  0 }, }, },
 202 };
 203
 204 const uint8_t ff_vp56_filter_threshold[] = {
 205     14, 14, 13, 13, 12, 12, 10, 10,
 206     10, 10,  8,  8,  8,  8,  8,  8,
 207      8,  8,  8,  8,  8,  8,  8,  8,
 208      8,  8,  8,  8,  8,  8,  8,  8,
 209      8,  8,  8,  8,  7,  7,  7,  7,
 210      7,  7,  6,  6,  6,  6,  6,  6,
 211      5,  5,  5,  5,  4,  4,  4,  4,
 212      4,  4,  4,  3,  3,  3,  3,  2,
 213 };
 214
 215 const uint8_t ff_vp56_mb_type_model_model[] = {
 216     171, 83, 199, 140, 125, 104,
 217 };
 218
 219 const VP56Tree ff_vp56_pmbtm_tree[] = {
 220     { 4, 0},
 221     { 2, 1}, {-8}, {-4},
 222     { 8, 2},
 223     { 6, 3},
 224     { 4, 4},
 225     { 2, 5}, {-24}, {-20}, {-16}, {-12}, {-0},
 226 };
 227
 228 const VP56Tree ff_vp56_pmbt_tree[] = {
 229     { 8, 1},
 230     { 4, 2},
 231     { 2, 4}, {-VP56_MB_INTER_NOVEC_PF}, {-VP56_MB_INTER_DELTA_PF},
 232     { 2, 5}, {-VP56_MB_INTER_V1_PF},    {-VP56_MB_INTER_V2_PF},
 233     { 4, 3},
 234     { 2, 6}, {-VP56_MB_INTRA},          {-VP56_MB_INTER_4V},
 235     { 4, 7},
 236     { 2, 8}, {-VP56_MB_INTER_NOVEC_GF}, {-VP56_MB_INTER_DELTA_GF},
 237     { 2, 9}, {-VP56_MB_INTER_V1_GF},    {-VP56_MB_INTER_V2_GF},
 238 };
 239
 240 /* relative pos of surrounding blocks, from closest to farthest */
 241 const int8_t ff_vp56_candidate_predictor_pos[12][2] = {
 242     {  0, -1 },
 243     { -1,  0 },
 244     { -1, -1 },
 245     {  1, -1 },
 246     {  0, -2 },
 247     { -2,  0 },
 248     { -2, -1 },
 249     { -1, -2 },
 250     {  1, -2 },
 251     {  2, -1 },
 252     { -2, -2 },
 253     {  2, -2 },
 254 };