| /* |
| * 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 "libavutil/buffer.h" |
| |
| #include "get_bits.h" |
| #include "hevc.h" |
| #include "h2645_sei.h" |
| #include "sei.h" |
| |
| |
| 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 HEVCSEIPictureTiming { |
| int picture_struct; |
| } HEVCSEIPictureTiming; |
| |
| typedef struct HEVCSEIAlternativeTransfer { |
| int present; |
| int preferred_transfer_characteristics; |
| } HEVCSEIAlternativeTransfer; |
| |
| typedef struct HEVCSEITimeCode { |
| int present; |
| uint8_t num_clock_ts; |
| uint8_t clock_timestamp_flag[3]; |
| uint8_t units_field_based_flag[3]; |
| uint8_t counting_type[3]; |
| uint8_t full_timestamp_flag[3]; |
| uint8_t discontinuity_flag[3]; |
| uint8_t cnt_dropped_flag[3]; |
| uint16_t n_frames[3]; |
| uint8_t seconds_value[3]; |
| uint8_t minutes_value[3]; |
| uint8_t hours_value[3]; |
| uint8_t seconds_flag[3]; |
| uint8_t minutes_flag[3]; |
| uint8_t hours_flag[3]; |
| uint8_t time_offset_length[3]; |
| int32_t time_offset_value[3]; |
| } HEVCSEITimeCode; |
| |
| typedef struct HEVCSEI { |
| H2645SEI common; |
| HEVCSEIPictureHash picture_hash; |
| HEVCSEIPictureTiming picture_timing; |
| int active_seq_parameter_set_id; |
| HEVCSEITimeCode timecode; |
| } HEVCSEI; |
| |
| struct HEVCParamSets; |
| |
| int ff_hevc_decode_nal_sei(GetBitContext *gb, void *logctx, HEVCSEI *s, |
| const struct HEVCParamSets *ps, enum HEVCNALUnitType type); |
| |
| static inline int ff_hevc_sei_ctx_replace(HEVCSEI *dst, const HEVCSEI *src) |
| { |
| return ff_h2645_sei_ctx_replace(&dst->common, &src->common); |
| } |
| |
| /** |
| * Reset SEI values that are stored on the Context. |
| * e.g. Caption data that was extracted during NAL |
| * parsing. |
| * |
| * @param sei HEVCSEI. |
| */ |
| static inline void ff_hevc_reset_sei(HEVCSEI *sei) |
| { |
| ff_h2645_sei_reset(&sei->common); |
| } |
| |
| #endif /* AVCODEC_HEVC_SEI_H */ |