FFmpeg
av1dec.h
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1 /*
2  * AV1 video decoder
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 #ifndef AVCODEC_AV1DEC_H
22 #define AVCODEC_AV1DEC_H
23 
24 #include <stdint.h>
25 
26 #include "libavutil/buffer.h"
27 #include "libavutil/pixfmt.h"
28 #include "avcodec.h"
29 #include "cbs.h"
30 #include "cbs_av1.h"
31 #include "thread.h"
32 
33 typedef struct AV1Frame {
35 
38 
41 
44 
47 
48  uint8_t skip_mode_frame_idx[2];
49 
51 
52  uint8_t coded_lossless;
53 } AV1Frame;
54 
55 typedef struct TileGroupInfo {
56  uint32_t tile_offset;
57  uint32_t tile_size;
58  uint16_t tile_row;
59  uint16_t tile_column;
61 
62 typedef struct AV1DecContext {
63  const AVClass *class;
65 
69 
75  uint16_t tile_num;
76  uint16_t tg_start;
77  uint16_t tg_end;
78 
80 
83 
84  // AVOptions
87 
88 #endif /* AVCODEC_AV1DEC_H */
AV1DecContext::ref
AV1Frame ref[AV1_NUM_REF_FRAMES]
Definition: av1dec.h:81
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
AV1RawSequenceHeader
Definition: cbs_av1.h:73
TileGroupInfo::tile_column
uint16_t tile_column
Definition: av1dec.h:59
AV1DecContext::header_ref
AVBufferRef * header_ref
Definition: av1dec.h:72
AV1Frame::raw_frame_header
AV1RawFrameHeader * raw_frame_header
Definition: av1dec.h:40
CodedBitstreamContext
Context structure for coded bitstream operations.
Definition: cbs.h:173
AV1DecContext::tg_start
uint16_t tg_start
Definition: av1dec.h:76
cbs.h
TileGroupInfo::tile_row
uint16_t tile_row
Definition: av1dec.h:58
AV1DecContext::tg_end
uint16_t tg_end
Definition: av1dec.h:77
thread.h
AV1DecContext::raw_frame_header
AV1RawFrameHeader * raw_frame_header
Definition: av1dec.h:73
TileGroupInfo::tile_offset
uint32_t tile_offset
Definition: av1dec.h:56
AV1Frame
Definition: av1dec.h:33
cbs_av1.h
AV1DecContext::current_obu
CodedBitstreamFragment current_obu
Definition: av1dec.h:68
AV1Frame::spatial_id
int spatial_id
Definition: av1dec.h:43
CodedBitstreamFragment
Coded bitstream fragment structure, combining one or more units.
Definition: cbs.h:121
AV1Frame::hwaccel_priv_buf
AVBufferRef * hwaccel_priv_buf
Definition: av1dec.h:36
AV1Frame::film_grain
AV1RawFilmGrainParams film_grain
Definition: av1dec.h:50
AV1DecContext::cbc
CodedBitstreamContext * cbc
Definition: av1dec.h:67
TileGroupInfo::tile_size
uint32_t tile_size
Definition: av1dec.h:57
AV1DecContext::cur_frame
AV1Frame cur_frame
Definition: av1dec.h:82
AV1DecContext::tile_group_info
TileGroupInfo * tile_group_info
Definition: av1dec.h:74
AVClass
Describe the class of an AVClass context structure.
Definition: log.h:66
AV1Frame::gm_params
int32_t gm_params[AV1_NUM_REF_FRAMES][6]
Definition: av1dec.h:46
AV1RawFrameHeader
Definition: cbs_av1.h:165
AV1Frame::tf
ThreadFrame tf
Definition: av1dec.h:34
AV1DecContext
Definition: av1dec.h:62
AV1Frame::skip_mode_frame_idx
uint8_t skip_mode_frame_idx[2]
Definition: av1dec.h:48
buffer.h
AV1DecContext::seq_ref
AVBufferRef * seq_ref
Definition: av1dec.h:70
AV1DecContext::tile_num
uint16_t tile_num
Definition: av1dec.h:75
AV1_NUM_REF_FRAMES
@ AV1_NUM_REF_FRAMES
Definition: av1.h:83
AV1DecContext::operating_point
int operating_point
Definition: av1dec.h:85
AV1Frame::hwaccel_picture_private
void * hwaccel_picture_private
Definition: av1dec.h:37
AV1DecContext::operating_point_idc
int operating_point_idc
Definition: av1dec.h:79
AV1DecContext::avctx
AVCodecContext * avctx
Definition: av1dec.h:64
avcodec.h
pixfmt.h
AVCodecContext
main external API structure.
Definition: avcodec.h:383
ThreadFrame
Definition: thread.h:34
AV1DecContext::pix_fmt
enum AVPixelFormat pix_fmt
Definition: av1dec.h:66
AVBufferRef
A reference to a data buffer.
Definition: buffer.h:82
AV1Frame::temporal_id
int temporal_id
Definition: av1dec.h:42
AV1Frame::header_ref
AVBufferRef * header_ref
Definition: av1dec.h:39
TileGroupInfo
Definition: av1dec.h:55
int32_t
int32_t
Definition: audioconvert.c:56
AV1RawFilmGrainParams
Definition: cbs_av1.h:133
AV1Frame::coded_lossless
uint8_t coded_lossless
Definition: av1dec.h:52
AV1Frame::gm_type
uint8_t gm_type[AV1_NUM_REF_FRAMES]
Definition: av1dec.h:45
AV1DecContext::raw_seq
AV1RawSequenceHeader * raw_seq
Definition: av1dec.h:71