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/fifo.h"
27 #include "libavutil/frame.h"
28 #include "libavutil/pixfmt.h"
29 #include "avcodec.h"
30 #include "packet.h"
31 #include "cbs.h"
32 #include "cbs_av1.h"
33 
34 typedef struct AV1Frame {
36 
37  void *hwaccel_picture_private; ///< RefStruct reference
38 
39  AV1RawOBU *header_ref; ///< RefStruct reference backing raw_frame_header.
41 
44 
48 
49  uint8_t skip_mode_frame_idx[2];
50 
52 
53  uint8_t coded_lossless;
54 } AV1Frame;
55 
56 typedef struct TileGroupInfo {
57  uint32_t tile_offset;
58  uint32_t tile_size;
59  uint16_t tile_row;
60  uint16_t tile_column;
62 
63 typedef struct AV1DecContext {
64  const AVClass *class;
66 
71 
72  AV1RawOBU *seq_ref; ///< RefStruct reference backing raw_seq
74  AV1RawOBU *header_ref; ///< RefStruct reference backing raw_frame_header
77 
78  AV1RawOBU *cll_ref; ///< RefStruct reference backing cll
80  AV1RawOBU *mdcv_ref; ///< RefStruct reference backing mdcv
83 
84  uint16_t tile_num;
85  uint16_t tg_start;
86  uint16_t tg_end;
87 
89 
92 
93  int nb_unit;
94 
95  // AVOptions
98 
99 #endif /* AVCODEC_AV1DEC_H */
AV1DecContext::ref
AV1Frame ref[AV1_NUM_REF_FRAMES]
Definition: av1dec.h:90
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:71
AV1RawSequenceHeader
Definition: cbs_av1.h:73
TileGroupInfo::tile_column
uint16_t tile_column
Definition: av1dec.h:60
AV1DecContext::mdcv
AV1RawMetadataHDRMDCV * mdcv
Definition: av1dec.h:81
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:340
AV1Frame::raw_frame_header
AV1RawFrameHeader * raw_frame_header
Definition: av1dec.h:40
CodedBitstreamContext
Context structure for coded bitstream operations.
Definition: cbs.h:219
AV1DecContext::tg_start
uint16_t tg_start
Definition: av1dec.h:85
cbs.h
TileGroupInfo::tile_row
uint16_t tile_row
Definition: av1dec.h:59
AV1DecContext::tg_end
uint16_t tg_end
Definition: av1dec.h:86
AV1DecContext::raw_frame_header
AV1RawFrameHeader * raw_frame_header
Definition: av1dec.h:75
AV1DecContext::cll_ref
AV1RawOBU * cll_ref
RefStruct reference backing cll.
Definition: av1dec.h:78
fifo.h
AV1_NUM_REF_FRAMES
@ AV1_NUM_REF_FRAMES
Definition: av1.h:83
AV1RawMetadataHDRMDCV
Definition: cbs_av1.h:323
TileGroupInfo::tile_offset
uint32_t tile_offset
Definition: av1dec.h:57
AV1DecContext::itut_t35_fifo
AVFifo * itut_t35_fifo
Definition: av1dec.h:82
AV1Frame
Definition: av1dec.h:34
cbs_av1.h
AV1DecContext::pkt
AVPacket * pkt
Definition: av1dec.h:70
AV1DecContext::current_obu
CodedBitstreamFragment current_obu
Definition: av1dec.h:69
AV1Frame::spatial_id
int spatial_id
Definition: av1dec.h:43
CodedBitstreamFragment
Coded bitstream fragment structure, combining one or more units.
Definition: cbs.h:122
AV1DecContext::seq_ref
AV1RawOBU * seq_ref
RefStruct reference backing raw_seq.
Definition: av1dec.h:72
AV1Frame::film_grain
AV1RawFilmGrainParams film_grain
Definition: av1dec.h:51
AV1DecContext::cbc
CodedBitstreamContext * cbc
Definition: av1dec.h:68
TileGroupInfo::tile_size
uint32_t tile_size
Definition: av1dec.h:58
AV1RawMetadataHDRCLL
Definition: cbs_av1.h:318
AV1DecContext::cur_frame
AV1Frame cur_frame
Definition: av1dec.h:91
AV1DecContext::tile_group_info
TileGroupInfo * tile_group_info
Definition: av1dec.h:76
AV1RawOBU
Definition: cbs_av1.h:400
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:47
AV1RawFrameHeader
Definition: cbs_av1.h:165
AV1DecContext::nb_unit
int nb_unit
Definition: av1dec.h:93
AVFifo
Definition: fifo.c:35
AV1DecContext::mdcv_ref
AV1RawOBU * mdcv_ref
RefStruct reference backing mdcv.
Definition: av1dec.h:80
AV1DecContext
Definition: av1dec.h:63
AV1Frame::skip_mode_frame_idx
uint8_t skip_mode_frame_idx[2]
Definition: av1dec.h:49
frame.h
AV1Frame::f
AVFrame * f
Definition: av1dec.h:35
AV1DecContext::tile_num
uint16_t tile_num
Definition: av1dec.h:84
AV1DecContext::cll
AV1RawMetadataHDRCLL * cll
Definition: av1dec.h:79
AV1DecContext::operating_point
int operating_point
Definition: av1dec.h:96
packet.h
AV1Frame::hwaccel_picture_private
void * hwaccel_picture_private
RefStruct reference.
Definition: av1dec.h:37
AV1Frame::header_ref
AV1RawOBU * header_ref
RefStruct reference backing raw_frame_header.
Definition: av1dec.h:39
AV1DecContext::operating_point_idc
int operating_point_idc
Definition: av1dec.h:88
AV1DecContext::avctx
AVCodecContext * avctx
Definition: av1dec.h:65
AV1DecContext::header_ref
AV1RawOBU * header_ref
RefStruct reference backing raw_frame_header.
Definition: av1dec.h:74
avcodec.h
pixfmt.h
AV1Frame::gm_invalid
uint8_t gm_invalid[AV1_NUM_REF_FRAMES]
Definition: av1dec.h:45
AVCodecContext
main external API structure.
Definition: avcodec.h:441
AV1DecContext::pix_fmt
enum AVPixelFormat pix_fmt
Definition: av1dec.h:67
AV1Frame::temporal_id
int temporal_id
Definition: av1dec.h:42
AVPacket
This structure stores compressed data.
Definition: packet.h:499
TileGroupInfo
Definition: av1dec.h:56
int32_t
int32_t
Definition: audioconvert.c:56
AV1RawFilmGrainParams
Definition: cbs_av1.h:133
AV1Frame::coded_lossless
uint8_t coded_lossless
Definition: av1dec.h:53
AV1Frame::gm_type
uint8_t gm_type[AV1_NUM_REF_FRAMES]
Definition: av1dec.h:46
AV1DecContext::raw_seq
AV1RawSequenceHeader * raw_seq
Definition: av1dec.h:73