FFmpeg
libavcodec
vp9shared.h
Go to the documentation of this file.
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/*
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* VP9 compatible video decoder
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*
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* Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com>
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* Copyright (C) 2013 Clément Bœsch <u pkh me>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_VP9SHARED_H
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#define AVCODEC_VP9SHARED_H
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#include <stddef.h>
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#include <stdint.h>
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#include "
libavutil/mem_internal.h
"
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#include "
progressframe.h
"
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#include "
vp9.h
"
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enum
BlockPartition
{
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PARTITION_NONE
,
// [ ] <-.
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PARTITION_H
,
// [-] |
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PARTITION_V
,
// [|] |
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PARTITION_SPLIT
,
// [+] --'
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};
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enum
InterPredMode
{
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NEARESTMV
= 10,
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NEARMV
= 11,
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ZEROMV
= 12,
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NEWMV
= 13,
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};
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enum
CompPredMode
{
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PRED_SINGLEREF
,
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PRED_COMPREF
,
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PRED_SWITCHABLE
,
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};
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typedef
struct
VP9mv
{
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DECLARE_ALIGNED
(4, int16_t,
x
);
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int16_t
y
;
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}
VP9mv
;
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typedef
struct
VP9mvrefPair
{
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VP9mv
mv
[2];
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int8_t
ref
[2];
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}
VP9mvrefPair
;
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typedef
struct
VP9Frame
{
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ProgressFrame
tf
;
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void
*
extradata
;
///< RefStruct reference
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uint8_t *
segmentation_map
;
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VP9mvrefPair
*
mv
;
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int
uses_2pass
;
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void
*
hwaccel_picture_private
;
///< RefStruct reference
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}
VP9Frame
;
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enum
BlockLevel
{
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BL_64X64
,
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BL_32X32
,
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BL_16X16
,
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BL_8X8
,
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};
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enum
BlockSize
{
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BS_64x64
,
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BS_64x32
,
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BS_32x64
,
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BS_32x32
,
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BS_32x16
,
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BS_16x32
,
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BS_16x16
,
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BS_16x8
,
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BS_8x16
,
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BS_8x8
,
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BS_8x4
,
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BS_4x8
,
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BS_4x4
,
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N_BS_SIZES
,
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};
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typedef
struct
VP9BitstreamHeader
{
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// bitstream header
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uint8_t
profile
;
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uint8_t
bpp
;
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uint8_t
keyframe
;
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uint8_t
invisible
;
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uint8_t
errorres
;
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uint8_t
intraonly
;
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uint8_t
resetctx
;
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uint8_t
refreshrefmask
;
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uint8_t
highprecisionmvs
;
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enum
FilterMode
filtermode
;
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uint8_t
allowcompinter
;
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uint8_t
refreshctx
;
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uint8_t
parallelmode
;
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uint8_t
framectxid
;
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uint8_t
use_last_frame_mvs
;
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uint8_t
refidx
[3];
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uint8_t
signbias
[3];
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uint8_t
fixcompref
;
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uint8_t
varcompref
[2];
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struct
{
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uint8_t
level
;
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int8_t
sharpness
;
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}
filter
;
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struct
{
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uint8_t
enabled
;
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uint8_t
updated
;
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int8_t
mode
[2];
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int8_t
ref
[4];
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}
lf_delta
;
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uint8_t
yac_qi
;
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int8_t
ydc_qdelta
,
uvdc_qdelta
,
uvac_qdelta
;
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uint8_t
lossless
;
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#define MAX_SEGMENT 8
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struct
{
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uint8_t
enabled
;
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uint8_t
temporal
;
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uint8_t
absolute_vals
;
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uint8_t
update_map
;
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uint8_t
prob
[7];
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uint8_t
pred_prob
[3];
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struct
{
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uint8_t
q_enabled
;
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uint8_t
lf_enabled
;
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uint8_t
ref_enabled
;
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uint8_t
skip_enabled
;
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uint8_t
ref_val
;
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int16_t
q_val
;
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int8_t
lf_val
;
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int16_t
qmul
[2][2];
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uint8_t
lflvl
[4][2];
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}
feat
[
MAX_SEGMENT
];
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}
segmentation
;
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enum
TxfmMode
txfmmode
;
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enum
CompPredMode
comppredmode
;
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struct
{
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unsigned
log2_tile_cols
,
log2_tile_rows
;
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unsigned
tile_cols
,
tile_rows
;
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}
tiling
;
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int
uncompressed_header_size
;
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int
compressed_header_size
;
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}
VP9BitstreamHeader
;
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typedef
struct
VP9SharedContext
{
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VP9BitstreamHeader
h
;
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ProgressFrame
refs
[8];
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#define CUR_FRAME 0
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#define REF_FRAME_MVPAIR 1
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#define REF_FRAME_SEGMAP 2
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#define BLANK_FRAME 3
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VP9Frame
frames
[4];
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}
VP9SharedContext
;
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#endif
/* AVCODEC_VP9SHARED_H */
PRED_SWITCHABLE
@ PRED_SWITCHABLE
Definition:
vp9shared.h:52
PRED_SINGLEREF
@ PRED_SINGLEREF
Definition:
vp9shared.h:50
mem_internal.h
BS_64x64
@ BS_64x64
Definition:
vp9shared.h:83
VP9BitstreamHeader::parallelmode
uint8_t parallelmode
Definition:
vp9shared.h:113
BS_64x32
@ BS_64x32
Definition:
vp9shared.h:84
VP9Frame::segmentation_map
uint8_t * segmentation_map
Definition:
vp9shared.h:68
VP9Frame
Definition:
vp9shared.h:65
BL_16X16
@ BL_16X16
Definition:
vp9shared.h:78
PRED_COMPREF
@ PRED_COMPREF
Definition:
vp9shared.h:51
BlockPartition
BlockPartition
Definition:
vp9shared.h:35
VP9BitstreamHeader
Definition:
vp9shared.h:99
VP9BitstreamHeader::segmentation
struct VP9BitstreamHeader::@278 segmentation
VP9BitstreamHeader::refreshrefmask
uint8_t refreshrefmask
Definition:
vp9shared.h:108
VP9Frame::tf
ProgressFrame tf
Definition:
vp9shared.h:66
BL_32X32
@ BL_32X32
Definition:
vp9shared.h:77
MAX_SEGMENT
#define MAX_SEGMENT
Definition:
vp9shared.h:133
VP9BitstreamHeader::q_enabled
uint8_t q_enabled
Definition:
vp9shared.h:142
VP9BitstreamHeader::qmul
int16_t qmul[2][2]
Definition:
vp9shared.h:149
BS_4x8
@ BS_4x8
Definition:
vp9shared.h:94
VP9BitstreamHeader::framectxid
uint8_t framectxid
Definition:
vp9shared.h:114
NEARMV
@ NEARMV
Definition:
vp9shared.h:44
VP9BitstreamHeader::allowcompinter
uint8_t allowcompinter
Definition:
vp9shared.h:111
VP9BitstreamHeader::compressed_header_size
int compressed_header_size
Definition:
vp9shared.h:161
VP9BitstreamHeader::absolute_vals
uint8_t absolute_vals
Definition:
vp9shared.h:137
VP9BitstreamHeader::uncompressed_header_size
int uncompressed_header_size
Definition:
vp9shared.h:160
VP9BitstreamHeader::tile_cols
unsigned tile_cols
Definition:
vp9shared.h:157
FilterMode
FilterMode
Definition:
vp9.h:64
BS_8x16
@ BS_8x16
Definition:
vp9shared.h:91
PARTITION_NONE
@ PARTITION_NONE
Definition:
vp9shared.h:36
VP9Frame::hwaccel_picture_private
void * hwaccel_picture_private
RefStruct reference.
Definition:
vp9shared.h:72
progressframe.h
VP9BitstreamHeader::filter
struct VP9BitstreamHeader::@276 filter
ZEROMV
@ ZEROMV
Definition:
vp9shared.h:45
VP9BitstreamHeader::ydc_qdelta
int8_t ydc_qdelta
Definition:
vp9shared.h:131
BL_8X8
@ BL_8X8
Definition:
vp9shared.h:79
VP9mv::y
int16_t y
Definition:
vp9shared.h:57
VP9BitstreamHeader::q_val
int16_t q_val
Definition:
vp9shared.h:147
BS_32x32
@ BS_32x32
Definition:
vp9shared.h:86
PARTITION_V
@ PARTITION_V
Definition:
vp9shared.h:38
VP9BitstreamHeader::prob
uint8_t prob[7]
Definition:
vp9shared.h:139
VP9BitstreamHeader::fixcompref
uint8_t fixcompref
Definition:
vp9shared.h:118
VP9BitstreamHeader::uvdc_qdelta
int8_t uvdc_qdelta
Definition:
vp9shared.h:131
VP9SharedContext
Definition:
vp9shared.h:164
VP9BitstreamHeader::txfmmode
enum TxfmMode txfmmode
Definition:
vp9shared.h:153
VP9mvrefPair::mv
VP9mv mv[2]
Definition:
vp9shared.h:61
VP9BitstreamHeader::keyframe
uint8_t keyframe
Definition:
vp9shared.h:103
VP9BitstreamHeader::comppredmode
enum CompPredMode comppredmode
Definition:
vp9shared.h:154
VP9BitstreamHeader::ref
int8_t ref[4]
Definition:
vp9shared.h:128
VP9BitstreamHeader::sharpness
int8_t sharpness
Definition:
vp9shared.h:122
BS_8x4
@ BS_8x4
Definition:
vp9shared.h:93
VP9BitstreamHeader::feat
struct VP9BitstreamHeader::@278::@280 feat[MAX_SEGMENT]
VP9BitstreamHeader::ref_val
uint8_t ref_val
Definition:
vp9shared.h:146
VP9BitstreamHeader::log2_tile_rows
unsigned log2_tile_rows
Definition:
vp9shared.h:156
VP9BitstreamHeader::skip_enabled
uint8_t skip_enabled
Definition:
vp9shared.h:145
VP9BitstreamHeader::lf_delta
struct VP9BitstreamHeader::@277 lf_delta
VP9BitstreamHeader::refreshctx
uint8_t refreshctx
Definition:
vp9shared.h:112
VP9BitstreamHeader::resetctx
uint8_t resetctx
Definition:
vp9shared.h:107
VP9BitstreamHeader::enabled
uint8_t enabled
Definition:
vp9shared.h:125
VP9BitstreamHeader::update_map
uint8_t update_map
Definition:
vp9shared.h:138
VP9BitstreamHeader::temporal
uint8_t temporal
Definition:
vp9shared.h:136
VP9BitstreamHeader::lf_val
int8_t lf_val
Definition:
vp9shared.h:148
BS_32x64
@ BS_32x64
Definition:
vp9shared.h:85
VP9mv
Definition:
vp9shared.h:55
VP9BitstreamHeader::yac_qi
uint8_t yac_qi
Definition:
vp9shared.h:130
PARTITION_SPLIT
@ PARTITION_SPLIT
Definition:
vp9shared.h:39
VP9BitstreamHeader::lflvl
uint8_t lflvl[4][2]
Definition:
vp9shared.h:150
VP9BitstreamHeader::highprecisionmvs
uint8_t highprecisionmvs
Definition:
vp9shared.h:109
TxfmMode
TxfmMode
Definition:
vp9.h:27
vp9.h
VP9SharedContext::frames
VP9Frame frames[4]
Definition:
vp9shared.h:172
VP9Frame::uses_2pass
int uses_2pass
Definition:
vp9shared.h:70
VP9BitstreamHeader::signbias
uint8_t signbias[3]
Definition:
vp9shared.h:117
DECLARE_ALIGNED
#define DECLARE_ALIGNED(n, t, v)
Definition:
mem_internal.h:109
VP9BitstreamHeader::lf_enabled
uint8_t lf_enabled
Definition:
vp9shared.h:143
VP9BitstreamHeader::lossless
uint8_t lossless
Definition:
vp9shared.h:132
VP9BitstreamHeader::level
uint8_t level
Definition:
vp9shared.h:121
BS_8x8
@ BS_8x8
Definition:
vp9shared.h:92
VP9BitstreamHeader::filtermode
enum FilterMode filtermode
Definition:
vp9shared.h:110
N_BS_SIZES
@ N_BS_SIZES
Definition:
vp9shared.h:96
VP9BitstreamHeader::ref_enabled
uint8_t ref_enabled
Definition:
vp9shared.h:144
BS_4x4
@ BS_4x4
Definition:
vp9shared.h:95
VP9Frame::extradata
void * extradata
RefStruct reference.
Definition:
vp9shared.h:67
VP9BitstreamHeader::varcompref
uint8_t varcompref[2]
Definition:
vp9shared.h:119
BS_16x32
@ BS_16x32
Definition:
vp9shared.h:88
BlockSize
BlockSize
Definition:
vp9shared.h:82
VP9BitstreamHeader::tile_rows
unsigned tile_rows
Definition:
vp9shared.h:157
VP9BitstreamHeader::tiling
struct VP9BitstreamHeader::@279 tiling
BL_64X64
@ BL_64X64
Definition:
vp9shared.h:76
VP9BitstreamHeader::uvac_qdelta
int8_t uvac_qdelta
Definition:
vp9shared.h:131
VP9mvrefPair
Definition:
vp9shared.h:60
NEWMV
@ NEWMV
Definition:
vp9shared.h:46
BS_16x16
@ BS_16x16
Definition:
vp9shared.h:89
VP9BitstreamHeader::profile
uint8_t profile
Definition:
vp9shared.h:101
BS_16x8
@ BS_16x8
Definition:
vp9shared.h:90
CompPredMode
CompPredMode
Definition:
vp9shared.h:49
mode
mode
Definition:
ebur128.h:83
VP9SharedContext::h
VP9BitstreamHeader h
Definition:
vp9shared.h:165
VP9Frame::mv
VP9mvrefPair * mv
Definition:
vp9shared.h:69
VP9BitstreamHeader::updated
uint8_t updated
Definition:
vp9shared.h:126
NEARESTMV
@ NEARESTMV
Definition:
vp9shared.h:43
BlockLevel
BlockLevel
Definition:
vp9shared.h:75
VP9BitstreamHeader::errorres
uint8_t errorres
Definition:
vp9shared.h:105
InterPredMode
InterPredMode
Definition:
vp9shared.h:42
VP9BitstreamHeader::invisible
uint8_t invisible
Definition:
vp9shared.h:104
ProgressFrame
The ProgressFrame structure.
Definition:
progressframe.h:73
BS_32x16
@ BS_32x16
Definition:
vp9shared.h:87
PARTITION_H
@ PARTITION_H
Definition:
vp9shared.h:37
VP9BitstreamHeader::refidx
uint8_t refidx[3]
Definition:
vp9shared.h:116
VP9BitstreamHeader::log2_tile_cols
unsigned log2_tile_cols
Definition:
vp9shared.h:156
VP9BitstreamHeader::bpp
uint8_t bpp
Definition:
vp9shared.h:102
VP9mvrefPair::ref
int8_t ref[2]
Definition:
vp9shared.h:62
VP9BitstreamHeader::use_last_frame_mvs
uint8_t use_last_frame_mvs
Definition:
vp9shared.h:115
VP9BitstreamHeader::pred_prob
uint8_t pred_prob[3]
Definition:
vp9shared.h:140
VP9mv::x
int16_t x
Definition:
vp9shared.h:56
VP9SharedContext::refs
ProgressFrame refs[8]
Definition:
vp9shared.h:167
VP9BitstreamHeader::intraonly
uint8_t intraonly
Definition:
vp9shared.h:106
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