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c3f0357bdf
HEVCSEIPictureHash should store only the information extracted from the bitstream and exported to the higher layer (the decoder or the parser). The MD5 context is allocated, used and freed by this higher layer, so it makes more sense for it to also be stored there.
87 lines
3.2 KiB
C
87 lines
3.2 KiB
C
/*
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* HEVC Supplementary Enhancement Information messages
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*
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* This file is part of Libav.
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*
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* Libav 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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* Libav 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 Libav; 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_HEVC_SEI_H
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#define AVCODEC_HEVC_SEI_H
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#include <stdint.h>
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#include "get_bits.h"
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/**
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* SEI message types
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*/
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typedef enum {
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HEVC_SEI_TYPE_BUFFERING_PERIOD = 0,
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HEVC_SEI_TYPE_PICTURE_TIMING = 1,
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HEVC_SEI_TYPE_PAN_SCAN_RECT = 2,
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HEVC_SEI_TYPE_FILLER_PAYLOAD = 3,
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HEVC_SEI_TYPE_USER_DATA_REGISTERED_ITU_T_T35 = 4,
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HEVC_SEI_TYPE_USER_DATA_UNREGISTERED = 5,
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HEVC_SEI_TYPE_RECOVERY_POINT = 6,
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HEVC_SEI_TYPE_SCENE_INFO = 9,
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HEVC_SEI_TYPE_FULL_FRAME_SNAPSHOT = 15,
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HEVC_SEI_TYPE_PROGRESSIVE_REFINEMENT_SEGMENT_START = 16,
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HEVC_SEI_TYPE_PROGRESSIVE_REFINEMENT_SEGMENT_END = 17,
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HEVC_SEI_TYPE_FILM_GRAIN_CHARACTERISTICS = 19,
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HEVC_SEI_TYPE_POST_FILTER_HINT = 22,
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HEVC_SEI_TYPE_TONE_MAPPING_INFO = 23,
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HEVC_SEI_TYPE_FRAME_PACKING = 45,
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HEVC_SEI_TYPE_DISPLAY_ORIENTATION = 47,
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HEVC_SEI_TYPE_SOP_DESCRIPTION = 128,
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HEVC_SEI_TYPE_ACTIVE_PARAMETER_SETS = 129,
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HEVC_SEI_TYPE_DECODING_UNIT_INFO = 130,
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HEVC_SEI_TYPE_TEMPORAL_LEVEL0_INDEX = 131,
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HEVC_SEI_TYPE_DECODED_PICTURE_HASH = 132,
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HEVC_SEI_TYPE_SCALABLE_NESTING = 133,
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HEVC_SEI_TYPE_REGION_REFRESH_INFO = 134,
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HEVC_SEI_TYPE_MASTERING_DISPLAY_INFO = 137,
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HEVC_SEI_TYPE_CONTENT_LIGHT_LEVEL_INFO = 144,
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} HEVC_SEI_Type;
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typedef struct HEVCSEIPictureHash {
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uint8_t md5[3][16];
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uint8_t is_md5;
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} HEVCSEIPictureHash;
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typedef struct HEVCSEIFramePacking {
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int present;
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int arrangement_type;
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int content_interpretation_type;
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int quincunx_subsampling;
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} HEVCSEIFramePacking;
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typedef struct HEVCSEIDisplayOrientation {
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int present;
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int anticlockwise_rotation;
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int hflip, vflip;
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} HEVCSEIDisplayOrientation;
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typedef struct HEVCSEI {
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HEVCSEIPictureHash picture_hash;
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HEVCSEIFramePacking frame_packing;
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HEVCSEIDisplayOrientation display_orientation;
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} HEVCSEI;
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int ff_hevc_decode_nal_sei(GetBitContext *gb, void *logctx, HEVCSEI *s,
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int type);
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#endif /* AVCODEC_HEVC_SEI_H */
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