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1 /*
2  * VP9 compatible video decoder
3  *
4  * Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com>
5  * Copyright (C) 2013 Clément Bœsch <u pkh me>
6  *
7  * This file is part of FFmpeg.
8  *
9  * FFmpeg is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * FFmpeg is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with FFmpeg; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22  */
24 #ifndef AVCODEC_VP9DEC_H
25 #define AVCODEC_VP9DEC_H
27 #include <stddef.h>
28 #include <stdint.h>
29 #include <stdatomic.h>
31 #include "libavutil/buffer.h"
32 #include "libavutil/thread.h"
33 #include "libavutil/internal.h"
35 #include "vp9.h"
36 #include "vp9dsp.h"
37 #include "vp9shared.h"
39 enum MVJoint {
44 };
46 typedef struct ProbContext {
47  uint8_t y_mode[4][9];
48  uint8_t uv_mode[10][9];
49  uint8_t filter[4][2];
55  uint8_t tx32p[2][3];
56  uint8_t tx16p[2][2];
60  struct {
66  uint8_t fp[3];
69  } mv_comp[2];
70  uint8_t partition[4][4][3];
71 } ProbContext;
73 typedef struct VP9Filter {
74  uint8_t level[8 * 8];
75  uint8_t /* bit=col */ mask[2 /* 0=y, 1=uv */][2 /* 0=col, 1=row */]
76  [8 /* rows */][4 /* 0=16, 1=8, 2=4, 3=inner4 */];
77 } VP9Filter;
79 typedef struct VP9Block {
82  VP56mv mv[4 /* b_idx */][2 /* ref */];
83  enum BlockSize bs;
84  enum TxfmMode tx, uvtx;
85  enum BlockLevel bl;
87 } VP9Block;
89 typedef struct VP9TileData VP9TileData;
91 typedef struct VP9Context {
102  pthread_mutex_t progress_mutex;
103  pthread_cond_t progress_cond;
104  atomic_int *entries;
105 #endif
110  // sb_cols/rows, rows/cols and last_fmt are used for allocating all internal
111  // arrays, and are thus per-thread. w/h and gf_fmt are synced between threads
112  // and are therefore per-stream. pix_fmt represents the value in the header
113  // of the currently processed frame.
114  int w, h;
115  enum AVPixelFormat pix_fmt, last_fmt, gf_fmt;
116  unsigned sb_cols, sb_rows, rows, cols;
119  struct {
122  } filter_lut;
123  struct {
125  uint8_t coef[4][2][2][6][6][3];
126  } prob_ctx[4];
127  struct {
128  ProbContext p;
129  uint8_t coef[4][2][2][6][6][11];
130  } prob;
132  // contextual (above) cache
135  // FIXME maybe merge some of the below in a flags field?
147  // whole-frame cache
151  // block reconstruction intermediates
153  uint16_t mvscale[3][2];
155 } VP9Context;
157 struct VP9TileData {
158  //VP9Context should be const, but because of the threading API(generates
159  //a lot of warnings) it's not.
163  int row, row7, col, col7;
165  ptrdiff_t y_stride, uv_stride;
167  unsigned tile_col_start;
169  struct {
170  unsigned y_mode[4][10];
171  unsigned uv_mode[10][10];
172  unsigned filter[4][3];
173  unsigned mv_mode[7][4];
174  unsigned intra[4][2];
175  unsigned comp[5][2];
176  unsigned single_ref[5][2][2];
177  unsigned comp_ref[5][2];
178  unsigned tx32p[2][4];
179  unsigned tx16p[2][3];
180  unsigned tx8p[2][2];
181  unsigned skip[3][2];
182  unsigned mv_joint[4];
183  struct {
184  unsigned sign[2];
185  unsigned classes[11];
186  unsigned class0[2];
187  unsigned bits[10][2];
188  unsigned class0_fp[2][4];
189  unsigned fp[4];
190  unsigned class0_hp[2];
191  unsigned hp[2];
192  } mv_comp[2];
193  unsigned partition[4][4][4];
194  unsigned coef[4][2][2][6][6][3];
195  unsigned eob[4][2][2][6][6][2];
196  } counts;
198  // whole-frame cache
201  // contextual (left) cache
214  // block reconstruction intermediates
215  DECLARE_ALIGNED(32, uint8_t, tmp_y)[64 * 64 * 2];
216  DECLARE_ALIGNED(32, uint8_t, tmp_uv)[2][64 * 64 * 2];
217  struct { int x, y; } min_mv, max_mv;
218  int16_t *block_base, *block, *uvblock_base[2], *uvblock[2];
220 };
222 void ff_vp9_fill_mv(VP9TileData *td, VP56mv *mv, int mode, int sb);
226 void ff_vp9_decode_block(VP9TileData *td, int row, int col,
227  VP9Filter *lflvl, ptrdiff_t yoff, ptrdiff_t uvoff,
228  enum BlockLevel bl, enum BlockPartition bp);
230 void ff_vp9_loopfilter_sb(AVCodecContext *avctx, VP9Filter *lflvl,
231  int row, int col, ptrdiff_t yoff, ptrdiff_t uvoff);
234  ptrdiff_t y_off, ptrdiff_t uv_off);
236  ptrdiff_t y_off, ptrdiff_t uv_off);
240 #endif /* AVCODEC_VP9DEC_H */
unsigned intra[4][2]
Definition: vp9dec.h:174
uint8_t left_uv_nnz_ctx[2][16]
Definition: vp9dec.h:205
const char * s
Definition: avisynth_c.h:768
static enum AVPixelFormat pix_fmt
unsigned single_ref[5][2][2]
Definition: vp9dec.h:176
uint8_t mblim_lut[64]
Definition: vp9dec.h:121
uint8_t * above_skip_ctx
Definition: vp9dec.h:138
VP9Context * s
Definition: vp9dec.h:160
uint8_t mvstep[3][2]
Definition: vp9dec.h:154
VideoDSPContext vdsp
Definition: vp9dec.h:96
struct VP9TileData::@150 counts
ProbContext p
Definition: vp9dec.h:124
uint8_t last_keyframe
Definition: vp9dec.h:109
uint8_t ss_v
Definition: vp9dec.h:107
uint8_t tx32p[2][3]
Definition: vp9dec.h:55
unsigned coef[4][2][2][6][6][3]
Definition: vp9dec.h:194
int16_t * block_base
Definition: vp9dec.h:218
VP9Filter * lflvl
Definition: vp9dec.h:149
unsigned tx16p[2][3]
Definition: vp9dec.h:179
int col7
Definition: vp9dec.h:163
uint8_t left_segpred_ctx[8]
Definition: vp9dec.h:209
intptr_t atomic_int
Definition: stdatomic.h:55
unsigned cols
Definition: vp9dec.h:116
unsigned sign[2]
Definition: vp9dec.h:184
uint8_t ref[2]
Definition: vp9dec.h:80
uint8_t comp_ref[5]
Definition: vp9dec.h:54
uint8_t left_mode_ctx[16]
Definition: vp9dec.h:203
void ff_vp9_intra_recon_8bpp(VP9TileData *td, ptrdiff_t y_off, ptrdiff_t uv_off)
Definition: vp9recon.c:288
unsigned tx8p[2][2]
Definition: vp9dec.h:180
uint8_t left_intra_ctx[8]
Definition: vp9dec.h:210
uint8_t * intra_pred_data[3]
Definition: vp9dec.h:148
unsigned y_mode[4][10]
Definition: vp9dec.h:170
unsigned filter[4][3]
Definition: vp9dec.h:172
uint8_t coef[4][2][2][6][6][3]
Definition: vp9dec.h:125
unsigned partition[4][4][4]
Definition: vp9dec.h:193
HMTX pthread_mutex_t
Definition: os2threads.h:49
void ff_vp9_adapt_probs(VP9Context *s)
Definition: vp9prob.c:46
uint8_t left_txfm_ctx[8]
Definition: vp9dec.h:208
uint8_t * eob_base
Definition: vp9dec.h:219
void ff_vp9_inter_recon_8bpp(VP9TileData *td)
Definition: vp9recon.c:636
void ff_vp9_intra_recon_16bpp(VP9TileData *td, ptrdiff_t y_off, ptrdiff_t uv_off)
Definition: vp9recon.c:293
unsigned class0_hp[2]
Definition: vp9dec.h:190
VP9Block * b_base
Definition: vp9dec.h:166
uint8_t * uveob[2]
Definition: vp9dec.h:219
#define DECLARE_ALIGNED(n, t, v)
Declare a variable that is aligned in memory.
Definition: mem.h:104
unsigned class0_fp[2][4]
Definition: vp9dec.h:188
int col
Definition: vp9dec.h:163
uint8_t left_partition_ctx[8]
Definition: vp9dec.h:206
VP56RangeCoder * c_b
Definition: vp9dec.h:161
uint8_t skip[3]
Definition: vp9dec.h:58
uint8_t * above_uv_nnz_ctx[2]
Definition: vp9dec.h:137
VP9DSPContext dsp
Definition: vp9dec.h:95
uint8_t lim_lut[64]
Definition: vp9dec.h:120
int row7
Definition: vp9dec.h:163
uint16_t mvscale[3][2]
Definition: vp9dec.h:153
uint8_t * above_txfm_ctx
Definition: vp9dec.h:139
int h
Definition: vp9dec.h:114
uint8_t uv_mode[10][9]
Definition: vp9dec.h:48
uint8_t bytesperpixel
Definition: vp9dec.h:108
void ff_vp9_loopfilter_sb(AVCodecContext *avctx, VP9Filter *lflvl, int row, int col, ptrdiff_t yoff, ptrdiff_t uvoff)
Definition: vp9lpf.c:178
uint8_t mask[2][2][8][4]
Definition: vp9dec.h:76
uint8_t left_filter_ctx[8]
Definition: vp9dec.h:213
uint8_t partition[4][4][3]
Definition: vp9dec.h:70
uint8_t hp
Definition: vp9dec.h:68
unsigned tile_col_start
Definition: vp9dec.h:167
struct VP9Context::@149 prob
#define td
Definition: regdef.h:70
uint8_t sign
Definition: vp9dec.h:61
GetBitContext gb
Definition: vp9dec.h:97
uint8_t fp[3]
Definition: vp9dec.h:66
uint8_t bpp_index
Definition: vp9dec.h:108
uint8_t intra
Definition: vp9dec.h:80
Definition: vp9.h:27
uint8_t intra[4]
Definition: vp9dec.h:51
VP56RangeCoder * c
Definition: vp9dec.h:162
void ff_vp9_inter_recon_16bpp(VP9TileData *td)
Definition: vp9recon.c:641
struct VP9TileData::@151 min_mv
uint8_t * above_filter_ctx
Definition: vp9dec.h:144
common internal API header
uint8_t comp[5]
Definition: vp9dec.h:52
uint8_t left_y_nnz_ctx[16]
Definition: vp9dec.h:202
VP9TileData * td
Definition: vp9dec.h:93
Definition: vp9shared.h:77
uint8_t level[8 *8]
Definition: vp9dec.h:74
unsigned mv_mode[7][4]
Definition: vp9dec.h:173
uint8_t tx16p[2][2]
Definition: vp9dec.h:56
uint8_t class0_hp
Definition: vp9dec.h:67
VP9SharedContext s
Definition: vp9dec.h:92
struct VP9Context::@147 filter_lut
uint8_t uvmode
Definition: vp9dec.h:80
uint8_t * above_partition_ctx
Definition: vp9dec.h:133
uint8_t mv_mode[7][3]
Definition: vp9dec.h:50
Definition: vp9dec.h:39
int16_t * block
Definition: vp9dec.h:218
unsigned comp_ref[5][2]
Definition: vp9dec.h:177
uint8_t * above_segpred_ctx
Definition: vp9dec.h:140
unsigned comp[5][2]
Definition: vp9dec.h:175
unsigned rows
Definition: vp9dec.h:116
unsigned sb_cols
Definition: vp9dec.h:116
static const int8_t mv[256][2]
Definition: 4xm.c:77
struct ProbContext::@146 mv_comp[2]
Definition: vp9.h:64
VP56mv(* above_mv_ctx)[2]
Definition: vp9dec.h:145
Definition: vp9shared.h:70
uint8_t filter[4][2]
Definition: vp9dec.h:49
uint8_t class0_fp[2][3]
Definition: vp9dec.h:65
uint8_t * uveob_base[2]
Definition: vp9dec.h:219
int pass
Definition: vp9dec.h:99
main external API structure.
Definition: avcodec.h:1761
ptrdiff_t uv_stride
Definition: vp9dec.h:165
int row
Definition: vp9dec.h:163
enum TxfmMode tx uvtx
Definition: vp9dec.h:84
unsigned uv_mode[10][10]
Definition: vp9dec.h:171
uint8_t * above_y_nnz_ctx
Definition: vp9dec.h:136
int16_t * uvblock_base[2]
Definition: vp9dec.h:218
uint8_t tx8p[2]
Definition: vp9dec.h:57
uint8_t seg_id
Definition: vp9dec.h:80
uint8_t ss_h
Definition: vp9dec.h:107
uint8_t y_mode[4][9]
Definition: vp9dec.h:47
void ff_vp9_fill_mv(VP9TileData *td, VP56mv *mv, int mode, int sb)
Definition: vp9mvs.c:291
uint8_t tmp_uv[2][64 *64 *2]
Definition: vp9dec.h:216
refcounted data buffer API
int16_t * uvblock[2]
Definition: vp9dec.h:218
uint8_t last_bpp
Definition: vp9dec.h:108
uint8_t * above_intra_ctx
Definition: vp9dec.h:141
enum BlockSize bs
Definition: vp9dec.h:83
VP56mv mv[4][2]
Definition: vp9dec.h:82
enum BlockPartition bp
Definition: vp9dec.h:86
unsigned hp[2]
Definition: vp9dec.h:191
uint8_t * above_mode_ctx
Definition: vp9dec.h:134
uint8_t single_ref[5][2]
Definition: vp9dec.h:53
Definition: vp56.h:66
uint8_t comp
Definition: vp9dec.h:80
uint8_t bits[10]
Definition: vp9dec.h:64
ThreadFrame next_refs[8]
Definition: vp9dec.h:117
uint8_t tmp_y[64 *64 *2]
Definition: vp9dec.h:215
unsigned eob[4][2][2][6][6][2]
Definition: vp9dec.h:195
unsigned mv_joint[4]
Definition: vp9dec.h:182
uint8_t * dst[3]
Definition: vp9dec.h:164
unsigned tx32p[2][4]
Definition: vp9dec.h:178
int w
Definition: vp9dec.h:114
enum AVPixelFormat pix_fmt last_fmt gf_fmt
Definition: vp9dec.h:115
unsigned sb_rows
Definition: vp9dec.h:116
uint8_t mv_joint[3]
Definition: vp9dec.h:59
enum BlockLevel bl
Definition: vp9dec.h:85
uint8_t class0
Definition: vp9dec.h:63
uint8_t edge_emu_buffer[135 *144 *2]
Definition: vp9dec.h:199
unsigned classes[11]
Definition: vp9dec.h:185
enum FilterMode filter
Definition: vp9dec.h:81
struct VP9Context::@148 prob_ctx[4]
void ff_vp9_decode_block(VP9TileData *td, int row, int col, VP9Filter *lflvl, ptrdiff_t yoff, ptrdiff_t uvoff, enum BlockLevel bl, enum BlockPartition bp)
Definition: vp9block.c:1263
uint8_t left_ref_ctx[8]
Definition: vp9dec.h:212
unsigned class0[2]
Definition: vp9dec.h:186
VP9Block * b
Definition: vp9dec.h:166
ptrdiff_t y_stride
Definition: vp9dec.h:165
unsigned skip[3][2]
Definition: vp9dec.h:181
uint8_t skip
Definition: vp9dec.h:80
struct VP9TileData::@151 max_mv
uint8_t * above_ref_ctx
Definition: vp9dec.h:143
Definition: vp9shared.h:34
uint8_t classes[10]
Definition: vp9dec.h:62
VP56mv left_mv_ctx[16][2]
Definition: vp9dec.h:204
uint8_t left_comp_ctx[8]
Definition: vp9dec.h:211
Pixel format.
Definition: pixfmt.h:60
struct VP9TileData::@150::@152 mv_comp[2]
unsigned fp[4]
Definition: vp9dec.h:189
Use these values in ebur128_init (or'ed).
Definition: ebur128.h:83
uint8_t * above_comp_ctx
Definition: vp9dec.h:142
int block_alloc_using_2pass
Definition: vp9dec.h:152
unsigned bits[10][2]
Definition: vp9dec.h:187
uint8_t left_skip_ctx[8]
Definition: vp9dec.h:207
int active_tile_cols
Definition: vp9dec.h:99
VP56RangeCoder c
Definition: vp9dec.h:98