PageRenderTime 67ms CodeModel.GetById 13ms app.highlight 49ms RepoModel.GetById 2ms app.codeStats 0ms

/libavcodec/vp56data.c

http://github.com/FFmpeg/FFmpeg
C | 254 lines | 213 code | 17 blank | 24 comment | 0 complexity | 78af186f2136455d12f4483389eba3f1 MD5 | raw file
  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
 28const uint8_t ff_vp56_b2p[]   = { 0, 0, 0, 0, 1, 2, 3, 3, 3, 3 };
 29const uint8_t ff_vp56_b6to4[] = { 0, 0, 1, 1, 2, 3 };
 30
 31const 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
 40const 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
 49const 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
 59const 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
 67const uint8_t ff_vp56_coeff_bias[] = { 0, 1, 2, 3, 4, 5, 7, 11, 19, 35, 67 };
 68const uint8_t ff_vp56_coeff_bit_length[] = { 0, 1, 2, 3, 4, 10 };
 69
 70const 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
 83const 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
 94const 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
105const 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
204const 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
215const uint8_t ff_vp56_mb_type_model_model[] = {
216    171, 83, 199, 140, 125, 104,
217};
218
219const 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
228const 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 */
241const 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};