/* * HEVC Supplementary Enhancement Information messages * * 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_HEVC_SEI_H #define AVCODEC_HEVC_SEI_H #include <stdint.h> #include "get_bits.h" /** * SEI message types */ typedef enum { HEVC_SEI_TYPE_BUFFERING_PERIOD = 0, HEVC_SEI_TYPE_PICTURE_TIMING = 1, HEVC_SEI_TYPE_PAN_SCAN_RECT = 2, HEVC_SEI_TYPE_FILLER_PAYLOAD = 3, HEVC_SEI_TYPE_USER_DATA_REGISTERED_ITU_T_T35 = 4, HEVC_SEI_TYPE_USER_DATA_UNREGISTERED = 5, HEVC_SEI_TYPE_RECOVERY_POINT = 6, HEVC_SEI_TYPE_SCENE_INFO = 9, HEVC_SEI_TYPE_FULL_FRAME_SNAPSHOT = 15, HEVC_SEI_TYPE_PROGRESSIVE_REFINEMENT_SEGMENT_START = 16, HEVC_SEI_TYPE_PROGRESSIVE_REFINEMENT_SEGMENT_END = 17, HEVC_SEI_TYPE_FILM_GRAIN_CHARACTERISTICS = 19, HEVC_SEI_TYPE_POST_FILTER_HINT = 22, HEVC_SEI_TYPE_TONE_MAPPING_INFO = 23, HEVC_SEI_TYPE_FRAME_PACKING = 45, HEVC_SEI_TYPE_DISPLAY_ORIENTATION = 47, HEVC_SEI_TYPE_SOP_DESCRIPTION = 128, HEVC_SEI_TYPE_ACTIVE_PARAMETER_SETS = 129, HEVC_SEI_TYPE_DECODING_UNIT_INFO = 130, HEVC_SEI_TYPE_TEMPORAL_LEVEL0_INDEX = 131, HEVC_SEI_TYPE_DECODED_PICTURE_HASH = 132, HEVC_SEI_TYPE_SCALABLE_NESTING = 133, HEVC_SEI_TYPE_REGION_REFRESH_INFO = 134, HEVC_SEI_TYPE_TIME_CODE = 136, HEVC_SEI_TYPE_MASTERING_DISPLAY_INFO = 137, HEVC_SEI_TYPE_CONTENT_LIGHT_LEVEL_INFO = 144, HEVC_SEI_TYPE_ALTERNATIVE_TRANSFER_CHARACTERISTICS = 147, HEVC_SEI_TYPE_ALPHA_CHANNEL_INFO = 165, } HEVC_SEI_Type; typedef enum { HEVC_SEI_PIC_STRUCT_FRAME_DOUBLING = 7, HEVC_SEI_PIC_STRUCT_FRAME_TRIPLING = 8 } HEVC_SEI_PicStructType; typedef struct HEVCSEIPictureHash { uint8_t md5[3][16]; uint8_t is_md5; } HEVCSEIPictureHash; typedef struct HEVCSEIFramePacking { int present; int arrangement_type; int content_interpretation_type; int quincunx_subsampling; int current_frame_is_frame0_flag; } HEVCSEIFramePacking; typedef struct HEVCSEIDisplayOrientation { int present; int anticlockwise_rotation; int hflip, vflip; } HEVCSEIDisplayOrientation; typedef struct HEVCSEIPictureTiming { int picture_struct; } HEVCSEIPictureTiming; typedef struct HEVCSEIA53Caption { AVBufferRef *buf_ref; } HEVCSEIA53Caption; typedef struct HEVCSEIMasteringDisplay { int present; uint16_t display_primaries[3][2]; uint16_t white_point[2]; uint32_t max_luminance; uint32_t min_luminance; } HEVCSEIMasteringDisplay; typedef struct HEVCSEIContentLight { int present; uint16_t max_content_light_level; uint16_t max_pic_average_light_level; } HEVCSEIContentLight; typedef struct HEVCSEIAlternativeTransfer { int present; int preferred_transfer_characteristics; } HEVCSEIAlternativeTransfer; typedef struct HEVCSEI { HEVCSEIPictureHash picture_hash; HEVCSEIFramePacking frame_packing; HEVCSEIDisplayOrientation display_orientation; HEVCSEIPictureTiming picture_timing; HEVCSEIA53Caption a53_caption; HEVCSEIMasteringDisplay mastering_display; HEVCSEIContentLight content_light; int active_seq_parameter_set_id; HEVCSEIAlternativeTransfer alternative_transfer; } HEVCSEI; struct HEVCParamSets; int ff_hevc_decode_nal_sei(GetBitContext *gb, void *logctx, HEVCSEI *s, const struct HEVCParamSets *ps, int type); /** * Reset SEI values that are stored on the Context. * e.g. Caption data that was extracted during NAL * parsing. * * @param s HEVCContext. */ void ff_hevc_reset_sei(HEVCSEI *s); #endif /* AVCODEC_HEVC_SEI_H */