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/buffer.h"
28 #include "libavutil/frame.h"
29 #include "libavutil/pixfmt.h"
30 #include "avcodec.h"
31 #include "cbs.h"
32 #include "cbs_av1.h"
33 
34 typedef struct AV1Frame {
36 
39 
42 
45 
49 
50  uint8_t skip_mode_frame_idx[2];
51 
53 
54  uint8_t coded_lossless;
55 } AV1Frame;
56 
57 typedef struct TileGroupInfo {
58  uint32_t tile_offset;
59  uint32_t tile_size;
60  uint16_t tile_row;
61  uint16_t tile_column;
63 
64 typedef struct AV1DecContext {
65  const AVClass *class;
67 
71 
77 
83 
84  uint16_t tile_num;
85  uint16_t tg_start;
86  uint16_t tg_end;
87 
89 
92 
93  // AVOptions
96 
97 #endif /* AVCODEC_AV1DEC_H */
AV1DecContext::ref
AV1Frame ref[AV1_NUM_REF_FRAMES]
Definition: av1dec.h:90
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
AV1RawSequenceHeader
Definition: cbs_av1.h:73
TileGroupInfo::tile_column
uint16_t tile_column
Definition: av1dec.h:61
AV1DecContext::mdcv
AV1RawMetadataHDRMDCV * mdcv
Definition: av1dec.h:81
AV1DecContext::header_ref
AVBufferRef * header_ref
Definition: av1dec.h:74
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:330
AV1Frame::raw_frame_header
AV1RawFrameHeader * raw_frame_header
Definition: av1dec.h:41
CodedBitstreamContext
Context structure for coded bitstream operations.
Definition: cbs.h:173
AV1DecContext::tg_start
uint16_t tg_start
Definition: av1dec.h:85
cbs.h
TileGroupInfo::tile_row
uint16_t tile_row
Definition: av1dec.h:60
AV1DecContext::tg_end
uint16_t tg_end
Definition: av1dec.h:86
AV1DecContext::raw_frame_header
AV1RawFrameHeader * raw_frame_header
Definition: av1dec.h:75
fifo.h
AV1RawMetadataHDRMDCV
Definition: cbs_av1.h:321
TileGroupInfo::tile_offset
uint32_t tile_offset
Definition: av1dec.h:58
AV1DecContext::itut_t35_fifo
AVFifo * itut_t35_fifo
Definition: av1dec.h:82
AV1Frame
Definition: av1dec.h:34
cbs_av1.h
AV1DecContext::current_obu
CodedBitstreamFragment current_obu
Definition: av1dec.h:70
AV1Frame::spatial_id
int spatial_id
Definition: av1dec.h:44
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:37
AV1Frame::film_grain
AV1RawFilmGrainParams film_grain
Definition: av1dec.h:52
AV1DecContext::cbc
CodedBitstreamContext * cbc
Definition: av1dec.h:69
TileGroupInfo::tile_size
uint32_t tile_size
Definition: av1dec.h:59
AV1RawMetadataHDRCLL
Definition: cbs_av1.h:316
AV1DecContext::cur_frame
AV1Frame cur_frame
Definition: av1dec.h:91
AV1DecContext::tile_group_info
TileGroupInfo * tile_group_info
Definition: av1dec.h:76
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:48
AV1RawFrameHeader
Definition: cbs_av1.h:165
AV1_NUM_REF_FRAMES
@ AV1_NUM_REF_FRAMES
Definition: av1.h:83
AVFifo
Definition: fifo.c:35
AV1DecContext
Definition: av1dec.h:64
AV1Frame::skip_mode_frame_idx
uint8_t skip_mode_frame_idx[2]
Definition: av1dec.h:50
frame.h
buffer.h
AV1DecContext::seq_ref
AVBufferRef * seq_ref
Definition: av1dec.h:72
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:94
AV1Frame::hwaccel_picture_private
void * hwaccel_picture_private
Definition: av1dec.h:38
AV1DecContext::cll_ref
AVBufferRef * cll_ref
Definition: av1dec.h:78
AV1DecContext::operating_point_idc
int operating_point_idc
Definition: av1dec.h:88
AV1DecContext::avctx
AVCodecContext * avctx
Definition: av1dec.h:66
avcodec.h
pixfmt.h
AV1Frame::gm_invalid
uint8_t gm_invalid[AV1_NUM_REF_FRAMES]
Definition: av1dec.h:46
AVCodecContext
main external API structure.
Definition: avcodec.h:435
AV1DecContext::pix_fmt
enum AVPixelFormat pix_fmt
Definition: av1dec.h:68
AVBufferRef
A reference to a data buffer.
Definition: buffer.h:82
AV1Frame::temporal_id
int temporal_id
Definition: av1dec.h:43
AV1Frame::header_ref
AVBufferRef * header_ref
Definition: av1dec.h:40
TileGroupInfo
Definition: av1dec.h:57
int32_t
int32_t
Definition: audioconvert.c:56
AV1RawFilmGrainParams
Definition: cbs_av1.h:133
AV1Frame::coded_lossless
uint8_t coded_lossless
Definition: av1dec.h:54
AV1Frame::gm_type
uint8_t gm_type[AV1_NUM_REF_FRAMES]
Definition: av1dec.h:47
AV1DecContext::mdcv_ref
AVBufferRef * mdcv_ref
Definition: av1dec.h:80
AV1DecContext::raw_seq
AV1RawSequenceHeader * raw_seq
Definition: av1dec.h:73