FFmpeg
vp56data.c
Go to the documentation of this 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 
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 };
vp56data.h
VP56_MB_INTER_DELTA_GF
@ VP56_MB_INTER_DELTA_GF
Inter MB, above/left vector + delta, from golden frame.
Definition: vp56.h:57
VP56_MB_INTER_V2_GF
@ VP56_MB_INTER_V2_GF
Inter MB, second vector, from golden frame.
Definition: vp56.h:60
ff_vp56_coeff_bit_length
const uint8_t ff_vp56_coeff_bit_length[]
Definition: vp56data.c:68
ff_vp56_pmbtm_tree
const VP56Tree ff_vp56_pmbtm_tree[]
Definition: vp56data.c:219
ff_vp56_reference_frame
const VP56Frame ff_vp56_reference_frame[]
Definition: vp56data.c:70
ff_vp56_pmbt_tree
const VP56Tree ff_vp56_pmbt_tree[]
Definition: vp56data.c:228
ff_vp56_filter_threshold
const uint8_t ff_vp56_filter_threshold[]
Definition: vp56data.c:204
VP56_MB_INTRA
@ VP56_MB_INTRA
Intra MB.
Definition: vp56.h:52
VP56_MB_INTER_NOVEC_PF
@ VP56_MB_INTER_NOVEC_PF
Inter MB, no vector, from previous frame.
Definition: vp56.h:51
ff_vp56_b6to4
const uint8_t ff_vp56_b6to4[]
Definition: vp56data.c:29
VP56_MB_INTER_V1_PF
@ VP56_MB_INTER_V1_PF
Inter MB, first vector, from previous frame.
Definition: vp56.h:54
ff_vp56_dc_dequant
const uint8_t ff_vp56_dc_dequant[64]
Definition: vp56data.c:94
VP56_MB_INTER_4V
@ VP56_MB_INTER_4V
Inter MB, 4 vectors, from previous frame.
Definition: vp56.h:58
ff_vp56_def_mb_types_stats
const uint8_t ff_vp56_def_mb_types_stats[3][10][2]
Definition: vp56data.c:40
VP56_MB_INTER_DELTA_PF
@ VP56_MB_INTER_DELTA_PF
Inter MB, above/left vector + delta, from previous frame.
Definition: vp56.h:53
ff_vp56_mb_type_model_model
const uint8_t ff_vp56_mb_type_model_model[]
Definition: vp56data.c:215
VP56_MB_INTER_NOVEC_GF
@ VP56_MB_INTER_NOVEC_GF
Inter MB, no vector, from golden frame.
Definition: vp56.h:56
ff_vp56_pre_def_mb_type_stats
const uint8_t ff_vp56_pre_def_mb_type_stats[16][3][10][2]
Definition: vp56data.c:105
VP56_MB_INTER_V2_PF
@ VP56_MB_INTER_V2_PF
Inter MB, second vector, from previous frame.
Definition: vp56.h:55
VP56Tree
Definition: vp56.h:63
ff_vp56_coeff_parse_table
const uint8_t ff_vp56_coeff_parse_table[6][11]
Definition: vp56data.c:31
ff_vp56_pva_tree
const VP56Tree ff_vp56_pva_tree[]
Definition: vp56data.c:49
VP56_MB_INTER_V1_GF
@ VP56_MB_INTER_V1_GF
Inter MB, first vector, from golden frame.
Definition: vp56.h:59
VP56_FRAME_GOLDEN
@ VP56_FRAME_GOLDEN
Definition: vp56.h:46
ff_vp56_pc_tree
const VP56Tree ff_vp56_pc_tree[]
Definition: vp56data.c:59
VP56Frame
VP56Frame
Definition: vp56.h:42
ff_vp56_coeff_bias
const uint8_t ff_vp56_coeff_bias[]
Definition: vp56data.c:67
ff_vp56_candidate_predictor_pos
const int8_t ff_vp56_candidate_predictor_pos[12][2]
Definition: vp56data.c:241
VP56_FRAME_CURRENT
@ VP56_FRAME_CURRENT
Definition: vp56.h:44
ff_vp56_b2p
const uint8_t ff_vp56_b2p[]
Definition: vp56data.c:28
VP56_FRAME_PREVIOUS
@ VP56_FRAME_PREVIOUS
Definition: vp56.h:45
ff_vp56_ac_dequant
const uint8_t ff_vp56_ac_dequant[64]
Definition: vp56data.c:83
Generated on Wed Aug 24 2022 21:37:59 for FFmpeg by   doxygen 1.8.17