1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
/*
* VP9 compatible video decoder
*
* Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com>
* Copyright (C) 2013 Clément Bœsch <u pkh me>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_VP9SHARED_H
#define AVCODEC_VP9SHARED_H
#include <stddef.h>
#include <stdint.h>
#include "libavutil/mem_internal.h"
#include "vp9.h"
#include "threadframe.h"
enum BlockPartition {
PARTITION_NONE, // [ ] <-.
PARTITION_H, // [-] |
PARTITION_V, // [|] |
PARTITION_SPLIT, // [+] --'
};
enum InterPredMode {
NEARESTMV = 10,
NEARMV = 11,
ZEROMV = 12,
NEWMV = 13,
};
enum CompPredMode {
PRED_SINGLEREF,
PRED_COMPREF,
PRED_SWITCHABLE,
};
typedef struct VP9mv {
DECLARE_ALIGNED(4, int16_t, x);
int16_t y;
} VP9mv;
typedef struct VP9mvrefPair {
VP9mv mv[2];
int8_t ref[2];
} VP9mvrefPair;
typedef struct VP9Frame {
ThreadFrame tf;
AVBufferRef *extradata;
uint8_t *segmentation_map;
VP9mvrefPair *mv;
int uses_2pass;
void *hwaccel_picture_private; ///< RefStruct reference
} VP9Frame;
enum BlockLevel {
BL_64X64,
BL_32X32,
BL_16X16,
BL_8X8,
};
enum BlockSize {
BS_64x64,
BS_64x32,
BS_32x64,
BS_32x32,
BS_32x16,
BS_16x32,
BS_16x16,
BS_16x8,
BS_8x16,
BS_8x8,
BS_8x4,
BS_4x8,
BS_4x4,
N_BS_SIZES,
};
typedef struct VP9BitstreamHeader {
// bitstream header
uint8_t profile;
uint8_t bpp;
uint8_t keyframe;
uint8_t invisible;
uint8_t errorres;
uint8_t intraonly;
uint8_t resetctx;
uint8_t refreshrefmask;
uint8_t highprecisionmvs;
enum FilterMode filtermode;
uint8_t allowcompinter;
uint8_t refreshctx;
uint8_t parallelmode;
uint8_t framectxid;
uint8_t use_last_frame_mvs;
uint8_t refidx[3];
uint8_t signbias[3];
uint8_t fixcompref;
uint8_t varcompref[2];
struct {
uint8_t level;
int8_t sharpness;
} filter;
struct {
uint8_t enabled;
uint8_t updated;
int8_t mode[2];
int8_t ref[4];
} lf_delta;
uint8_t yac_qi;
int8_t ydc_qdelta, uvdc_qdelta, uvac_qdelta;
uint8_t lossless;
#define MAX_SEGMENT 8
struct {
uint8_t enabled;
uint8_t temporal;
uint8_t absolute_vals;
uint8_t update_map;
uint8_t prob[7];
uint8_t pred_prob[3];
struct {
uint8_t q_enabled;
uint8_t lf_enabled;
uint8_t ref_enabled;
uint8_t skip_enabled;
uint8_t ref_val;
int16_t q_val;
int8_t lf_val;
int16_t qmul[2][2];
uint8_t lflvl[4][2];
} feat[MAX_SEGMENT];
} segmentation;
enum TxfmMode txfmmode;
enum CompPredMode comppredmode;
struct {
unsigned log2_tile_cols, log2_tile_rows;
unsigned tile_cols, tile_rows;
} tiling;
int uncompressed_header_size;
int compressed_header_size;
} VP9BitstreamHeader;
typedef struct VP9SharedContext {
VP9BitstreamHeader h;
ThreadFrame refs[8];
#define CUR_FRAME 0
#define REF_FRAME_MVPAIR 1
#define REF_FRAME_SEGMAP 2
VP9Frame frames[3];
} VP9SharedContext;
#endif /* AVCODEC_VP9SHARED_H */
|
