| /* |
| * 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 "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 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 HEVCSEIUnregistered { |
| AVBufferRef **buf_ref; |
| int nb_buf_ref; |
| } HEVCSEIUnregistered; |
| |
| 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 HEVCSEIDynamicHDRPlus { |
| AVBufferRef *info; |
| } HEVCSEIDynamicHDRPlus; |
| |
| typedef struct HEVCSEIDynamicHDRVivid { |
| AVBufferRef *info; |
| } HEVCSEIDynamicHDRVivid; |
| |
| 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 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 HEVCSEIFilmGrainCharacteristics { |
| int present; |
| int model_id; |
| int separate_colour_description_present_flag; |
| int bit_depth_luma; |
| int bit_depth_chroma; |
| int full_range; |
| int color_primaries; |
| int transfer_characteristics; |
| int matrix_coeffs; |
| int blending_mode_id; |
| int log2_scale_factor; |
| int comp_model_present_flag[3]; |
| uint16_t num_intensity_intervals[3]; |
| uint8_t num_model_values[3]; |
| uint8_t intensity_interval_lower_bound[3][256]; |
| uint8_t intensity_interval_upper_bound[3][256]; |
| int16_t comp_model_value[3][256][6]; |
| int persistence_flag; |
| } HEVCSEIFilmGrainCharacteristics; |
| |
| typedef struct HEVCSEI { |
| HEVCSEIPictureHash picture_hash; |
| HEVCSEIFramePacking frame_packing; |
| HEVCSEIDisplayOrientation display_orientation; |
| HEVCSEIPictureTiming picture_timing; |
| HEVCSEIA53Caption a53_caption; |
| HEVCSEIUnregistered unregistered; |
| HEVCSEIMasteringDisplay mastering_display; |
| HEVCSEIDynamicHDRPlus dynamic_hdr_plus; |
| HEVCSEIDynamicHDRVivid dynamic_hdr_vivid; |
| HEVCSEIContentLight content_light; |
| int active_seq_parameter_set_id; |
| HEVCSEIAlternativeTransfer alternative_transfer; |
| HEVCSEITimeCode timecode; |
| HEVCSEIFilmGrainCharacteristics film_grain_characteristics; |
| } HEVCSEI; |
| |
| struct HEVCParamSets; |
| |
| int ff_hevc_decode_nal_sei(GetBitContext *gb, void *logctx, HEVCSEI *s, |
| const struct HEVCParamSets *ps, enum HEVCNALUnitType 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 */ |