av1dec.h - mozsearch

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/*

 * 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/fifo.h"

#include "libavutil/frame.h"

#include "libavutil/pixfmt.h"

#include "avcodec.h"

#include "packet.h"

#include "cbs.h"

#include "cbs_av1.h"

typedef struct AV1Frame {

    AVFrame *f;

    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;

} 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;

    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;

    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;

    // AVOptions

    int operating_point;

} AV1DecContext;

#endif /* AVCODEC_AV1DEC_H */