/* * AV1 video decoder * * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef AVCODEC_AV1DEC_H#define AVCODEC_AV1DEC_H #include <stdint.h> #include "libavutil/buffer.h"#include "libavutil/fifo.h"#include "libavutil/frame.h"#include "libavutil/pixfmt.h"#include "avcodec.h"#include "packet.h"#include "cbs.h"#include "cbs_av1.h"#include "dovi_rpu.h"#include "progressframe.h" typedef struct AV1Frame {    union {        struct {            struct AVFrame *f;        };        ProgressFrame pf;    };     void *hwaccel_picture_private; ///< RefStruct reference     AV1RawOBU *header_ref; ///< RefStruct reference backing raw_frame_header.    AV1RawFrameHeader *raw_frame_header;     int temporal_id;    int spatial_id;     uint8_t gm_invalid[AV1_NUM_REF_FRAMES];    uint8_t gm_type[AV1_NUM_REF_FRAMES];    int32_t gm_params[AV1_NUM_REF_FRAMES][6];     uint8_t skip_mode_frame_idx[2];     AV1RawFilmGrainParams film_grain;     uint8_t coded_lossless;     // OrderHint for this frame.    uint8_t order_hint;    // RefFrameSignBias[] used when decoding this frame.    uint8_t ref_frame_sign_bias[AV1_TOTAL_REFS_PER_FRAME];    // OrderHints[] when this is the current frame, otherwise    // SavedOrderHints[s][] when is the reference frame in slot s.    uint8_t order_hints[AV1_TOTAL_REFS_PER_FRAME];     // force_integer_mv value at the end of the frame header parsing.    // This is not the same as the syntax element value in    // raw_frame_header because the specification parsing tables    // override the value on intra frames.    uint8_t force_integer_mv;} AV1Frame; typedef struct TileGroupInfo {    uint32_t tile_offset;    uint32_t tile_size;    uint16_t tile_row;    uint16_t tile_column;} TileGroupInfo; typedef struct AV1DecContext {    const AVClass *class;    AVCodecContext *avctx;     enum AVPixelFormat pix_fmt;    CodedBitstreamContext *cbc;    CodedBitstreamFragment current_obu;    AVPacket *pkt;     AVBufferRef *seq_data_ref;    AV1RawOBU *seq_ref;    ///< RefStruct reference backing raw_seq    AV1RawSequenceHeader *raw_seq;    AV1RawOBU *header_ref; ///< RefStruct reference backing raw_frame_header    AV1RawFrameHeader *raw_frame_header;    TileGroupInfo *tile_group_info;     AV1RawOBU *cll_ref;    ///< RefStruct reference backing cll    AV1RawMetadataHDRCLL *cll;    AV1RawOBU *mdcv_ref;   ///< RefStruct reference backing mdcv    AV1RawMetadataHDRMDCV *mdcv;    DOVIContext dovi;    AVFifo *itut_t35_fifo;     uint16_t tile_num;    uint16_t tg_start;    uint16_t tg_end;     int operating_point_idc;     AV1Frame ref[AV1_NUM_REF_FRAMES];    AV1Frame cur_frame;     int nb_unit;           ///< The index of the next OBU to be processed.    int start_unit;        ///< The index of the first OBU of the current frame.     // AVOptions    int operating_point;} AV1DecContext; #endif /* AVCODEC_AV1DEC_H */