FFmpeg: libavcodec/vp56data.h Source File

00001 /*
00002  * Copyright (C) 2006  Aurelien Jacobs <aurel@gnuage.org>
00003  *
00004  * This file is part of FFmpeg.
00005  *
00006  * FFmpeg is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU Lesser General Public
00008  * License as published by the Free Software Foundation; either
00009  * version 2.1 of the License, or (at your option) any later version.
00010  *
00011  * FFmpeg is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  * Lesser General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Lesser General Public
00017  * License along with FFmpeg; if not, write to the Free Software
00018  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00019  */
00020 
00026 #ifndef AVCODEC_VP56DATA_H
00027 #define AVCODEC_VP56DATA_H
00028 
00029 #include "libavutil/common.h"
00030 
00031 typedef enum {
00032     VP56_FRAME_NONE     =-1,
00033     VP56_FRAME_CURRENT  = 0,
00034     VP56_FRAME_PREVIOUS = 1,
00035     VP56_FRAME_GOLDEN   = 2,
00036     VP56_FRAME_GOLDEN2  = 3,
00037     VP56_FRAME_UNUSED   = 4,
00038     VP56_FRAME_UNUSED2  = 5,
00039 } VP56Frame;
00040 
00041 typedef enum {
00042     VP56_MB_INTER_NOVEC_PF = 0,  
00043     VP56_MB_INTRA          = 1,  
00044     VP56_MB_INTER_DELTA_PF = 2,  
00045     VP56_MB_INTER_V1_PF    = 3,  
00046     VP56_MB_INTER_V2_PF    = 4,  
00047     VP56_MB_INTER_NOVEC_GF = 5,  
00048     VP56_MB_INTER_DELTA_GF = 6,  
00049     VP56_MB_INTER_4V       = 7,  
00050     VP56_MB_INTER_V1_GF    = 8,  
00051     VP56_MB_INTER_V2_GF    = 9,  
00052 } VP56mb;
00053 
00054 typedef struct {
00055   int8_t val;
00056   int8_t prob_idx;
00057 } VP56Tree;
00058 
00059 extern const uint8_t vp56_b2p[];
00060 extern const uint8_t vp56_b6to4[];
00061 extern const uint8_t vp56_coeff_parse_table[6][11];
00062 extern const uint8_t vp56_def_mb_types_stats[3][10][2];
00063 extern const VP56Tree vp56_pva_tree[];
00064 extern const VP56Tree vp56_pc_tree[];
00065 extern const uint8_t vp56_coeff_bias[];
00066 extern const uint8_t vp56_coeff_bit_length[];
00067 
00068 static const VP56Frame vp56_reference_frame[] = {
00069     VP56_FRAME_PREVIOUS,  /* VP56_MB_INTER_NOVEC_PF */
00070     VP56_FRAME_CURRENT,   /* VP56_MB_INTRA */
00071     VP56_FRAME_PREVIOUS,  /* VP56_MB_INTER_DELTA_PF */
00072     VP56_FRAME_PREVIOUS,  /* VP56_MB_INTER_V1_PF */
00073     VP56_FRAME_PREVIOUS,  /* VP56_MB_INTER_V2_PF */
00074     VP56_FRAME_GOLDEN,    /* VP56_MB_INTER_NOVEC_GF */
00075     VP56_FRAME_GOLDEN,    /* VP56_MB_INTER_DELTA_GF */
00076     VP56_FRAME_PREVIOUS,  /* VP56_MB_INTER_4V */
00077     VP56_FRAME_GOLDEN,    /* VP56_MB_INTER_V1_GF */
00078     VP56_FRAME_GOLDEN,    /* VP56_MB_INTER_V2_GF */
00079 };
00080 
00081 static const uint8_t vp56_ac_dequant[64] = {
00082     94, 92, 90, 88, 86, 82, 78, 74,
00083     70, 66, 62, 58, 54, 53, 52, 51,
00084     50, 49, 48, 47, 46, 45, 44, 43,
00085     42, 40, 39, 37, 36, 35, 34, 33,
00086     32, 31, 30, 29, 28, 27, 26, 25,
00087     24, 23, 22, 21, 20, 19, 18, 17,
00088     16, 15, 14, 13, 12, 11, 10,  9,
00089      8,  7,  6,  5,  4,  3,  2,  1,
00090 };
00091 
00092 static const uint8_t vp56_dc_dequant[64] = {
00093     47, 47, 47, 47, 45, 43, 43, 43,
00094     43, 43, 42, 41, 41, 40, 40, 40,
00095     40, 35, 35, 35, 35, 33, 33, 33,
00096     33, 32, 32, 32, 27, 27, 26, 26,
00097     25, 25, 24, 24, 23, 23, 19, 19,
00098     19, 19, 18, 18, 17, 16, 16, 16,
00099     16, 16, 15, 11, 11, 11, 10, 10,
00100      9,  8,  7,  5,  3,  3,  2,  2,
00101 };
00102 
00103 static const uint8_t vp56_pre_def_mb_type_stats[16][3][10][2] = {
00104   { { {   9, 15 }, {  32, 25 }, {  7,  19 }, {   9, 21 }, {  1, 12 },
00105       {  14, 12 }, {   3, 18 }, { 14,  23 }, {   3, 10 }, {  0,  4 }, },
00106     { {  41, 22 }, {   1,  0 }, {  1,  31 }, {   0,  0 }, {  0,  0 },
00107       {   0,  1 }, {   1,  7 }, {  0,   1 }, {  98, 25 }, {  4, 10 }, },
00108     { {   2,  3 }, {   2,  3 }, {  0,   2 }, {   0,  2 }, {  0,  0 },
00109       {  11,  4 }, {   1,  4 }, {  0,   2 }, {   3,  2 }, {  0,  4 }, }, },
00110   { { {  48, 39 }, {   1,  2 }, { 11,  27 }, {  29, 44 }, {  7, 27 },
00111       {   1,  4 }, {   0,  3 }, {  1,   6 }, {   1,  2 }, {  0,  0 }, },
00112     { { 123, 37 }, {   6,  4 }, {  1,  27 }, {   0,  0 }, {  0,  0 },
00113       {   5,  8 }, {   1,  7 }, {  0,   1 }, {  12, 10 }, {  0,  2 }, },
00114     { {  49, 46 }, {   3,  4 }, {  7,  31 }, {  42, 41 }, {  0,  0 },
00115       {   2,  6 }, {   1,  7 }, {  1,   4 }, {   2,  4 }, {  0,  1 }, }, },
00116   { { {  21, 32 }, {   1,  2 }, {  4,  10 }, {  32, 43 }, {  6, 23 },
00117       {   2,  3 }, {   1, 19 }, {  1,   6 }, {  12, 21 }, {  0,  7 }, },
00118     { {  26, 14 }, {  14, 12 }, {  0,  24 }, {   0,  0 }, {  0,  0 },
00119       {  55, 17 }, {   1,  9 }, {  0,  36 }, {   5,  7 }, {  1,  3 }, },
00120     { {  26, 25 }, {   1,  1 }, {  2,  10 }, {  67, 39 }, {  0,  0 },
00121       {   1,  1 }, {   0, 14 }, {  0,   2 }, {  31, 26 }, {  1,  6 }, }, },
00122   { { {  69, 83 }, {   0,  0 }, {  0,   2 }, {  10, 29 }, {  3, 12 },
00123       {   0,  1 }, {   0,  3 }, {  0,   3 }, {   2,  2 }, {  0,  0 }, },
00124     { { 209,  5 }, {   0,  0 }, {  0,  27 }, {   0,  0 }, {  0,  0 },
00125       {   0,  1 }, {   0,  1 }, {  0,   1 }, {   0,  0 }, {  0,  0 }, },
00126     { { 103, 46 }, {   1,  2 }, {  2,  10 }, {  33, 42 }, {  0,  0 },
00127       {   1,  4 }, {   0,  3 }, {  0,   1 }, {   1,  3 }, {  0,  0 }, }, },
00128   { { {  11, 20 }, {   1,  4 }, { 18,  36 }, {  43, 48 }, { 13, 35 },
00129       {   0,  2 }, {   0,  5 }, {  3,  12 }, {   1,  2 }, {  0,  0 }, },
00130     { {   2,  5 }, {   4,  5 }, {  0, 121 }, {   0,  0 }, {  0,  0 },
00131       {   0,  3 }, {   2,  4 }, {  1,   4 }, {   2,  2 }, {  0,  1 }, },
00132     { {  14, 31 }, {   9, 13 }, { 14,  54 }, {  22, 29 }, {  0,  0 },
00133       {   2,  6 }, {   4, 18 }, {  6,  13 }, {   1,  5 }, {  0,  1 }, }, },
00134   { { {  70, 44 }, {   0,  1 }, {  2,  10 }, {  37, 46 }, {  8, 26 },
00135       {   0,  2 }, {   0,  2 }, {  0,   2 }, {   0,  1 }, {  0,  0 }, },
00136     { { 175,  5 }, {   0,  1 }, {  0,  48 }, {   0,  0 }, {  0,  0 },
00137       {   0,  2 }, {   0,  1 }, {  0,   2 }, {   0,  1 }, {  0,  0 }, },
00138     { {  85, 39 }, {   0,  0 }, {  1,   9 }, {  69, 40 }, {  0,  0 },
00139       {   0,  1 }, {   0,  3 }, {  0,   1 }, {   2,  3 }, {  0,  0 }, }, },
00140   { { {   8, 15 }, {   0,  1 }, {  8,  21 }, {  74, 53 }, { 22, 42 },
00141       {   0,  1 }, {   0,  2 }, {  0,   3 }, {   1,  2 }, {  0,  0 }, },
00142     { {  83,  5 }, {   2,  3 }, {  0, 102 }, {   0,  0 }, {  0,  0 },
00143       {   1,  3 }, {   0,  2 }, {  0,   1 }, {   0,  0 }, {  0,  0 }, },
00144     { {  31, 28 }, {   0,  0 }, {  3,  14 }, { 130, 34 }, {  0,  0 },
00145       {   0,  1 }, {   0,  3 }, {  0,   1 }, {   3,  3 }, {  0,  1 }, }, },
00146   { { { 141, 42 }, {   0,  0 }, {  1,   4 }, {  11, 24 }, {  1, 11 },
00147       {   0,  1 }, {   0,  1 }, {  0,   2 }, {   0,  0 }, {  0,  0 }, },
00148     { { 233,  6 }, {   0,  0 }, {  0,   8 }, {   0,  0 }, {  0,  0 },
00149       {   0,  1 }, {   0,  1 }, {  0,   0 }, {   0,  1 }, {  0,  0 }, },
00150     { { 171, 25 }, {   0,  0 }, {  1,   5 }, {  25, 21 }, {  0,  0 },
00151       {   0,  1 }, {   0,  1 }, {  0,   0 }, {   0,  0 }, {  0,  0 }, }, },
00152   { { {   8, 19 }, {   4, 10 }, { 24,  45 }, {  21, 37 }, {  9, 29 },
00153       {   0,  3 }, {   1,  7 }, { 11,  25 }, {   0,  2 }, {  0,  1 }, },
00154     { {  34, 16 }, { 112, 21 }, {  1,  28 }, {   0,  0 }, {  0,  0 },
00155       {   6,  8 }, {   1,  7 }, {  0,   3 }, {   2,  5 }, {  0,  2 }, },
00156     { {  17, 21 }, {  68, 29 }, {  6,  15 }, {  13, 22 }, {  0,  0 },
00157       {   6, 12 }, {   3, 14 }, {  4,  10 }, {   1,  7 }, {  0,  3 }, }, },
00158   { { {  46, 42 }, {   0,  1 }, {  2,  10 }, {  54, 51 }, { 10, 30 },
00159       {   0,  2 }, {   0,  2 }, {  0,   1 }, {   0,  1 }, {  0,  0 }, },
00160     { { 159, 35 }, {   2,  2 }, {  0,  25 }, {   0,  0 }, {  0,  0 },
00161       {   3,  6 }, {   0,  5 }, {  0,   1 }, {   4,  4 }, {  0,  1 }, },
00162     { {  51, 39 }, {   0,  1 }, {  2,  12 }, {  91, 44 }, {  0,  0 },
00163       {   0,  2 }, {   0,  3 }, {  0,   1 }, {   2,  3 }, {  0,  1 }, }, },
00164   { { {  28, 32 }, {   0,  0 }, {  3,  10 }, {  75, 51 }, { 14, 33 },
00165       {   0,  1 }, {   0,  2 }, {  0,   1 }, {   1,  2 }, {  0,  0 }, },
00166     { {  75, 39 }, {   5,  7 }, {  2,  48 }, {   0,  0 }, {  0,  0 },
00167       {   3, 11 }, {   2, 16 }, {  1,   4 }, {   7, 10 }, {  0,  2 }, },
00168     { {  81, 25 }, {   0,  0 }, {  2,   9 }, { 106, 26 }, {  0,  0 },
00169       {   0,  1 }, {   0,  1 }, {  0,   1 }, {   1,  1 }, {  0,  0 }, }, },
00170   { { { 100, 46 }, {   0,  1 }, {  3,   9 }, {  21, 37 }, {  5, 20 },
00171       {   0,  1 }, {   0,  2 }, {  1,   2 }, {   0,  1 }, {  0,  0 }, },
00172     { { 212, 21 }, {   0,  1 }, {  0,   9 }, {   0,  0 }, {  0,  0 },
00173       {   1,  2 }, {   0,  2 }, {  0,   0 }, {   2,  2 }, {  0,  0 }, },
00174     { { 140, 37 }, {   0,  1 }, {  1,   8 }, {  24, 33 }, {  0,  0 },
00175       {   1,  2 }, {   0,  2 }, {  0,   1 }, {   1,  2 }, {  0,  0 }, }, },
00176   { { {  27, 29 }, {   0,  1 }, {  9,  25 }, {  53, 51 }, { 12, 34 },
00177       {   0,  1 }, {   0,  3 }, {  1,   5 }, {   0,  2 }, {  0,  0 }, },
00178     { {   4,  2 }, {   0,  0 }, {  0, 172 }, {   0,  0 }, {  0,  0 },
00179       {   0,  1 }, {   0,  2 }, {  0,   0 }, {   2,  0 }, {  0,  0 }, },
00180     { {  14, 23 }, {   1,  3 }, { 11,  53 }, {  90, 31 }, {  0,  0 },
00181       {   0,  3 }, {   1,  5 }, {  2,   6 }, {   1,  2 }, {  0,  0 }, }, },
00182   { { {  80, 38 }, {   0,  0 }, {  1,   4 }, {  69, 33 }, {  5, 16 },
00183       {   0,  1 }, {   0,  1 }, {  0,   0 }, {   0,  1 }, {  0,  0 }, },
00184     { { 187, 22 }, {   1,  1 }, {  0,  17 }, {   0,  0 }, {  0,  0 },
00185       {   3,  6 }, {   0,  4 }, {  0,   1 }, {   4,  4 }, {  0,  1 }, },
00186     { { 123, 29 }, {   0,  0 }, {  1,   7 }, {  57, 30 }, {  0,  0 },
00187       {   0,  1 }, {   0,  1 }, {  0,   1 }, {   0,  1 }, {  0,  0 }, }, },
00188   { { {  16, 20 }, {   0,  0 }, {  2,   8 }, { 104, 49 }, { 15, 33 },
00189       {   0,  1 }, {   0,  1 }, {  0,   1 }, {   1,  1 }, {  0,  0 }, },
00190     { { 133,  6 }, {   1,  2 }, {  1,  70 }, {   0,  0 }, {  0,  0 },
00191       {   0,  2 }, {   0,  4 }, {  0,   3 }, {   1,  1 }, {  0,  0 }, },
00192     { {  13, 14 }, {   0,  0 }, {  4,  20 }, { 175, 20 }, {  0,  0 },
00193       {   0,  1 }, {   0,  1 }, {  0,   1 }, {   1,  1 }, {  0,  0 }, }, },
00194   { { { 194, 16 }, {   0,  0 }, {  1,   1 }, {   1,  9 }, {  1,  3 },
00195       {   0,  0 }, {   0,  1 }, {  0,   1 }, {   0,  0 }, {  0,  0 }, },
00196     { { 251,  1 }, {   0,  0 }, {  0,   2 }, {   0,  0 }, {  0,  0 },
00197       {   0,  0 }, {   0,  0 }, {  0,   0 }, {   0,  0 }, {  0,  0 }, },
00198     { { 202, 23 }, {   0,  0 }, {  1,   3 }, {   2,  9 }, {  0,  0 },
00199       {   0,  1 }, {   0,  1 }, {  0,   1 }, {   0,  0 }, {  0,  0 }, }, },
00200 };
00201 
00202 static const uint8_t vp56_filter_threshold[] = {
00203     14, 14, 13, 13, 12, 12, 10, 10,
00204     10, 10,  8,  8,  8,  8,  8,  8,
00205      8,  8,  8,  8,  8,  8,  8,  8,
00206      8,  8,  8,  8,  8,  8,  8,  8,
00207      8,  8,  8,  8,  7,  7,  7,  7,
00208      7,  7,  6,  6,  6,  6,  6,  6,
00209      5,  5,  5,  5,  4,  4,  4,  4,
00210      4,  4,  4,  3,  3,  3,  3,  2,
00211 };
00212 
00213 static const uint8_t vp56_mb_type_model_model[] = {
00214     171, 83, 199, 140, 125, 104,
00215 };
00216 
00217 static const VP56Tree vp56_pmbtm_tree[] = {
00218     { 4, 0},
00219     { 2, 1}, {-8}, {-4},
00220     { 8, 2},
00221     { 6, 3},
00222     { 4, 4},
00223     { 2, 5}, {-24}, {-20}, {-16}, {-12}, {-0},
00224 };
00225 
00226 static const VP56Tree vp56_pmbt_tree[] = {
00227     { 8, 1},
00228     { 4, 2},
00229     { 2, 4}, {-VP56_MB_INTER_NOVEC_PF}, {-VP56_MB_INTER_DELTA_PF},
00230     { 2, 5}, {-VP56_MB_INTER_V1_PF},    {-VP56_MB_INTER_V2_PF},
00231     { 4, 3},
00232     { 2, 6}, {-VP56_MB_INTRA},          {-VP56_MB_INTER_4V},
00233     { 4, 7},
00234     { 2, 8}, {-VP56_MB_INTER_NOVEC_GF}, {-VP56_MB_INTER_DELTA_GF},
00235     { 2, 9}, {-VP56_MB_INTER_V1_GF},    {-VP56_MB_INTER_V2_GF},
00236 };
00237 
00238 /* relative pos of surrounding blocks, from closest to farthest */
00239 static const int8_t vp56_candidate_predictor_pos[12][2] = {
00240     {  0, -1 },
00241     { -1,  0 },
00242     { -1, -1 },
00243     {  1, -1 },
00244     {  0, -2 },
00245     { -2,  0 },
00246     { -2, -1 },
00247     { -1, -2 },
00248     {  1, -2 },
00249     {  2, -1 },
00250     { -2, -2 },
00251     {  2, -2 },
00252 };
00253 
00254 #endif /* AVCODEC_VP56DATA_H */