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6f56e0e7e5
This is not the same as the syntax element value in the frame header because the specification parsing tables override the value on intra frames.
124 lines
3.4 KiB
C
124 lines
3.4 KiB
C
/*
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* AV1 video decoder
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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_AV1DEC_H
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#define AVCODEC_AV1DEC_H
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#include <stdint.h>
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#include "libavutil/buffer.h"
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#include "libavutil/fifo.h"
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#include "libavutil/frame.h"
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#include "libavutil/pixfmt.h"
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#include "avcodec.h"
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#include "packet.h"
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#include "cbs.h"
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#include "cbs_av1.h"
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#include "dovi_rpu.h"
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#include "progressframe.h"
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typedef struct AV1Frame {
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union {
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struct {
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struct AVFrame *f;
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};
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ProgressFrame pf;
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};
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void *hwaccel_picture_private; ///< RefStruct reference
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AV1RawOBU *header_ref; ///< RefStruct reference backing raw_frame_header.
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AV1RawFrameHeader *raw_frame_header;
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int temporal_id;
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int spatial_id;
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uint8_t gm_invalid[AV1_NUM_REF_FRAMES];
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uint8_t gm_type[AV1_NUM_REF_FRAMES];
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int32_t gm_params[AV1_NUM_REF_FRAMES][6];
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uint8_t skip_mode_frame_idx[2];
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AV1RawFilmGrainParams film_grain;
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uint8_t coded_lossless;
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// OrderHint for this frame.
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uint8_t order_hint;
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// RefFrameSignBias[] used when decoding this frame.
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uint8_t ref_frame_sign_bias[AV1_TOTAL_REFS_PER_FRAME];
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// OrderHints[] when this is the current frame, otherwise
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// SavedOrderHints[s][] when is the reference frame in slot s.
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uint8_t order_hints[AV1_TOTAL_REFS_PER_FRAME];
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// force_integer_mv value at the end of the frame header parsing.
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// This is not the same as the syntax element value in
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// raw_frame_header because the specification parsing tables
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// override the value on intra frames.
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uint8_t force_integer_mv;
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} AV1Frame;
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typedef struct TileGroupInfo {
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uint32_t tile_offset;
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uint32_t tile_size;
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uint16_t tile_row;
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uint16_t tile_column;
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} TileGroupInfo;
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typedef struct AV1DecContext {
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const AVClass *class;
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AVCodecContext *avctx;
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enum AVPixelFormat pix_fmt;
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CodedBitstreamContext *cbc;
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CodedBitstreamFragment current_obu;
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AVPacket *pkt;
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AVBufferRef *seq_data_ref;
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AV1RawOBU *seq_ref; ///< RefStruct reference backing raw_seq
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AV1RawSequenceHeader *raw_seq;
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AV1RawOBU *header_ref; ///< RefStruct reference backing raw_frame_header
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AV1RawFrameHeader *raw_frame_header;
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TileGroupInfo *tile_group_info;
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AV1RawOBU *cll_ref; ///< RefStruct reference backing cll
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AV1RawMetadataHDRCLL *cll;
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AV1RawOBU *mdcv_ref; ///< RefStruct reference backing mdcv
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AV1RawMetadataHDRMDCV *mdcv;
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DOVIContext dovi;
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AVFifo *itut_t35_fifo;
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uint16_t tile_num;
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uint16_t tg_start;
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uint16_t tg_end;
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int operating_point_idc;
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AV1Frame ref[AV1_NUM_REF_FRAMES];
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AV1Frame cur_frame;
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int nb_unit;
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// AVOptions
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int operating_point;
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} AV1DecContext;
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#endif /* AVCODEC_AV1DEC_H */
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