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FFmpeg/libavcodec/cbs_h265.h
James Almer e460dcc832 avcodec/cbs_h265: add support for Alpha Channel Info SEI messages 
As defined in sections F.14.2.8 and F.14.3.8

Reviewed-by: Mark Thompson <sw@jkqxz.net>
Signed-off-by: James Almer <jamrial@gmail.com>
2019-07-20 11:28:09 -03:00

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/*
* 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_CBS_H265_H
#define AVCODEC_CBS_H265_H
#include <stddef.h>
#include <stdint.h>
#include "cbs_h2645.h"
#include "hevc.h"
enum {
// This limit is arbitrary - it is sufficient for one message of each
// type plus some repeats, and will therefore easily cover all sane
// streams. However, it is possible to make technically-valid streams
// for which it will fail (for example, by including a large number of
// user-data-unregistered messages).
H265_MAX_SEI_PAYLOADS = 64,
};
typedef struct H265RawNALUnitHeader {
uint8_t nal_unit_type;
uint8_t nuh_layer_id;
uint8_t nuh_temporal_id_plus1;
} H265RawNALUnitHeader;
typedef struct H265RawProfileTierLevel {
uint8_t general_profile_space;
uint8_t general_tier_flag;
uint8_t general_profile_idc;
uint8_t general_profile_compatibility_flag[32];
uint8_t general_progressive_source_flag;
uint8_t general_interlaced_source_flag;
uint8_t general_non_packed_constraint_flag;
uint8_t general_frame_only_constraint_flag;
uint8_t general_max_12bit_constraint_flag;
uint8_t general_max_10bit_constraint_flag;
uint8_t general_max_8bit_constraint_flag;
uint8_t general_max_422chroma_constraint_flag;
uint8_t general_max_420chroma_constraint_flag;
uint8_t general_max_monochrome_constraint_flag;
uint8_t general_intra_constraint_flag;
uint8_t general_one_picture_only_constraint_flag;
uint8_t general_lower_bit_rate_constraint_flag;
uint8_t general_max_14bit_constraint_flag;
uint8_t general_inbld_flag;
uint8_t general_level_idc;
uint8_t sub_layer_profile_present_flag[HEVC_MAX_SUB_LAYERS];
uint8_t sub_layer_level_present_flag[HEVC_MAX_SUB_LAYERS];
uint8_t sub_layer_profile_space[HEVC_MAX_SUB_LAYERS];
uint8_t sub_layer_tier_flag[HEVC_MAX_SUB_LAYERS];
uint8_t sub_layer_profile_idc[HEVC_MAX_SUB_LAYERS];
uint8_t sub_layer_profile_compatibility_flag[HEVC_MAX_SUB_LAYERS][32];
uint8_t sub_layer_progressive_source_flag[HEVC_MAX_SUB_LAYERS];
uint8_t sub_layer_interlaced_source_flag[HEVC_MAX_SUB_LAYERS];
uint8_t sub_layer_non_packed_constraint_flag[HEVC_MAX_SUB_LAYERS];
uint8_t sub_layer_frame_only_constraint_flag[HEVC_MAX_SUB_LAYERS];
uint8_t sub_layer_max_12bit_constraint_flag[HEVC_MAX_SUB_LAYERS];
uint8_t sub_layer_max_10bit_constraint_flag[HEVC_MAX_SUB_LAYERS];
uint8_t sub_layer_max_8bit_constraint_flag[HEVC_MAX_SUB_LAYERS];
uint8_t sub_layer_max_422chroma_constraint_flag[HEVC_MAX_SUB_LAYERS];
uint8_t sub_layer_max_420chroma_constraint_flag[HEVC_MAX_SUB_LAYERS];
uint8_t sub_layer_max_monochrome_constraint_flag[HEVC_MAX_SUB_LAYERS];
uint8_t sub_layer_intra_constraint_flag[HEVC_MAX_SUB_LAYERS];
uint8_t sub_layer_one_picture_only_constraint_flag[HEVC_MAX_SUB_LAYERS];
uint8_t sub_layer_lower_bit_rate_constraint_flag[HEVC_MAX_SUB_LAYERS];
uint8_t sub_layer_max_14bit_constraint_flag[HEVC_MAX_SUB_LAYERS];
uint8_t sub_layer_inbld_flag[HEVC_MAX_SUB_LAYERS];
uint8_t sub_layer_level_idc[HEVC_MAX_SUB_LAYERS];
} H265RawProfileTierLevel;
typedef struct H265RawSubLayerHRDParameters {
uint32_t bit_rate_value_minus1[HEVC_MAX_CPB_CNT];
uint32_t cpb_size_value_minus1[HEVC_MAX_CPB_CNT];
uint32_t cpb_size_du_value_minus1[HEVC_MAX_CPB_CNT];
uint32_t bit_rate_du_value_minus1[HEVC_MAX_CPB_CNT];
uint8_t cbr_flag[HEVC_MAX_CPB_CNT];
} H265RawSubLayerHRDParameters;
typedef struct H265RawHRDParameters {
uint8_t nal_hrd_parameters_present_flag;
uint8_t vcl_hrd_parameters_present_flag;
uint8_t sub_pic_hrd_params_present_flag;
uint8_t tick_divisor_minus2;
uint8_t du_cpb_removal_delay_increment_length_minus1;
uint8_t sub_pic_cpb_params_in_pic_timing_sei_flag;
uint8_t dpb_output_delay_du_length_minus1;
uint8_t bit_rate_scale;
uint8_t cpb_size_scale;
uint8_t cpb_size_du_scale;
uint8_t initial_cpb_removal_delay_length_minus1;
uint8_t au_cpb_removal_delay_length_minus1;
uint8_t dpb_output_delay_length_minus1;
uint8_t fixed_pic_rate_general_flag[HEVC_MAX_SUB_LAYERS];
uint8_t fixed_pic_rate_within_cvs_flag[HEVC_MAX_SUB_LAYERS];
uint16_t elemental_duration_in_tc_minus1[HEVC_MAX_SUB_LAYERS];
uint8_t low_delay_hrd_flag[HEVC_MAX_SUB_LAYERS];
uint8_t cpb_cnt_minus1[HEVC_MAX_SUB_LAYERS];
H265RawSubLayerHRDParameters nal_sub_layer_hrd_parameters[HEVC_MAX_SUB_LAYERS];
H265RawSubLayerHRDParameters vcl_sub_layer_hrd_parameters[HEVC_MAX_SUB_LAYERS];
} H265RawHRDParameters;
typedef struct H265RawVUI {
uint8_t aspect_ratio_info_present_flag;
uint8_t aspect_ratio_idc;
uint16_t sar_width;
uint16_t sar_height;
uint8_t overscan_info_present_flag;
uint8_t overscan_appropriate_flag;
uint8_t video_signal_type_present_flag;
uint8_t video_format;
uint8_t video_full_range_flag;
uint8_t colour_description_present_flag;
uint8_t colour_primaries;
uint8_t transfer_characteristics;
uint8_t matrix_coefficients;
uint8_t chroma_loc_info_present_flag;
uint8_t chroma_sample_loc_type_top_field;
uint8_t chroma_sample_loc_type_bottom_field;
uint8_t neutral_chroma_indication_flag;
uint8_t field_seq_flag;
uint8_t frame_field_info_present_flag;
uint8_t default_display_window_flag;
uint16_t def_disp_win_left_offset;
uint16_t def_disp_win_right_offset;
uint16_t def_disp_win_top_offset;
uint16_t def_disp_win_bottom_offset;
uint8_t vui_timing_info_present_flag;
uint32_t vui_num_units_in_tick;
uint32_t vui_time_scale;
uint8_t vui_poc_proportional_to_timing_flag;
uint32_t vui_num_ticks_poc_diff_one_minus1;
uint8_t vui_hrd_parameters_present_flag;
H265RawHRDParameters hrd_parameters;
uint8_t bitstream_restriction_flag;
uint8_t tiles_fixed_structure_flag;
uint8_t motion_vectors_over_pic_boundaries_flag;
uint8_t restricted_ref_pic_lists_flag;
uint16_t min_spatial_segmentation_idc;
uint8_t max_bytes_per_pic_denom;
uint8_t max_bits_per_min_cu_denom;
uint8_t log2_max_mv_length_horizontal;
uint8_t log2_max_mv_length_vertical;
} H265RawVUI;
typedef struct H265RawPSExtensionData {
uint8_t *data;
size_t bit_length;
AVBufferRef *data_ref;
} H265RawPSExtensionData;
typedef struct H265RawVPS {
H265RawNALUnitHeader nal_unit_header;
uint8_t vps_video_parameter_set_id;
uint8_t vps_base_layer_internal_flag;
uint8_t vps_base_layer_available_flag;
uint8_t vps_max_layers_minus1;
uint8_t vps_max_sub_layers_minus1;
uint8_t vps_temporal_id_nesting_flag;
H265RawProfileTierLevel profile_tier_level;
uint8_t vps_sub_layer_ordering_info_present_flag;
uint8_t vps_max_dec_pic_buffering_minus1[HEVC_MAX_SUB_LAYERS];
uint8_t vps_max_num_reorder_pics[HEVC_MAX_SUB_LAYERS];
uint32_t vps_max_latency_increase_plus1[HEVC_MAX_SUB_LAYERS];
uint8_t vps_max_layer_id;
uint16_t vps_num_layer_sets_minus1;
uint8_t layer_id_included_flag[HEVC_MAX_LAYER_SETS][HEVC_MAX_LAYERS];
uint8_t vps_timing_info_present_flag;
uint32_t vps_num_units_in_tick;
uint32_t vps_time_scale;
uint8_t vps_poc_proportional_to_timing_flag;
uint32_t vps_num_ticks_poc_diff_one_minus1;
uint16_t vps_num_hrd_parameters;
uint16_t hrd_layer_set_idx[HEVC_MAX_LAYER_SETS];
uint8_t cprms_present_flag[HEVC_MAX_LAYER_SETS];
H265RawHRDParameters hrd_parameters[HEVC_MAX_LAYER_SETS];
uint8_t vps_extension_flag;
H265RawPSExtensionData extension_data;
} H265RawVPS;
typedef struct H265RawSTRefPicSet {
uint8_t inter_ref_pic_set_prediction_flag;
uint8_t delta_idx_minus1;
uint8_t delta_rps_sign;
uint16_t abs_delta_rps_minus1;
uint8_t used_by_curr_pic_flag[HEVC_MAX_REFS];
uint8_t use_delta_flag[HEVC_MAX_REFS];
uint8_t num_negative_pics;
uint8_t num_positive_pics;
uint16_t delta_poc_s0_minus1[HEVC_MAX_REFS];
uint8_t used_by_curr_pic_s0_flag[HEVC_MAX_REFS];
uint16_t delta_poc_s1_minus1[HEVC_MAX_REFS];
uint8_t used_by_curr_pic_s1_flag[HEVC_MAX_REFS];
} H265RawSTRefPicSet;
typedef struct H265RawScalingList {
uint8_t scaling_list_pred_mode_flag[4][6];
uint8_t scaling_list_pred_matrix_id_delta[4][6];
int16_t scaling_list_dc_coef_minus8[4][6];
int8_t scaling_list_delta_coeff[4][6][64];
} H265RawScalingList;
typedef struct H265RawSPS {
H265RawNALUnitHeader nal_unit_header;
uint8_t sps_video_parameter_set_id;
uint8_t sps_max_sub_layers_minus1;
uint8_t sps_temporal_id_nesting_flag;
H265RawProfileTierLevel profile_tier_level;
uint8_t sps_seq_parameter_set_id;
uint8_t chroma_format_idc;
uint8_t separate_colour_plane_flag;
uint16_t pic_width_in_luma_samples;
uint16_t pic_height_in_luma_samples;
uint8_t conformance_window_flag;
uint16_t conf_win_left_offset;
uint16_t conf_win_right_offset;
uint16_t conf_win_top_offset;
uint16_t conf_win_bottom_offset;
uint8_t bit_depth_luma_minus8;
uint8_t bit_depth_chroma_minus8;
uint8_t log2_max_pic_order_cnt_lsb_minus4;
uint8_t sps_sub_layer_ordering_info_present_flag;
uint8_t sps_max_dec_pic_buffering_minus1[HEVC_MAX_SUB_LAYERS];
uint8_t sps_max_num_reorder_pics[HEVC_MAX_SUB_LAYERS];
uint32_t sps_max_latency_increase_plus1[HEVC_MAX_SUB_LAYERS];
uint8_t log2_min_luma_coding_block_size_minus3;
uint8_t log2_diff_max_min_luma_coding_block_size;
uint8_t log2_min_luma_transform_block_size_minus2;
uint8_t log2_diff_max_min_luma_transform_block_size;
uint8_t max_transform_hierarchy_depth_inter;
uint8_t max_transform_hierarchy_depth_intra;
uint8_t scaling_list_enabled_flag;
uint8_t sps_scaling_list_data_present_flag;
H265RawScalingList scaling_list;
uint8_t amp_enabled_flag;
uint8_t sample_adaptive_offset_enabled_flag;
uint8_t pcm_enabled_flag;
uint8_t pcm_sample_bit_depth_luma_minus1;
uint8_t pcm_sample_bit_depth_chroma_minus1;
uint8_t log2_min_pcm_luma_coding_block_size_minus3;
uint8_t log2_diff_max_min_pcm_luma_coding_block_size;
uint8_t pcm_loop_filter_disabled_flag;
uint8_t num_short_term_ref_pic_sets;
H265RawSTRefPicSet st_ref_pic_set[HEVC_MAX_SHORT_TERM_REF_PIC_SETS];
uint8_t long_term_ref_pics_present_flag;
uint8_t num_long_term_ref_pics_sps;
uint16_t lt_ref_pic_poc_lsb_sps[HEVC_MAX_LONG_TERM_REF_PICS];
uint8_t used_by_curr_pic_lt_sps_flag[HEVC_MAX_LONG_TERM_REF_PICS];
uint8_t sps_temporal_mvp_enabled_flag;
uint8_t strong_intra_smoothing_enabled_flag;
uint8_t vui_parameters_present_flag;
H265RawVUI vui;
uint8_t sps_extension_present_flag;
uint8_t sps_range_extension_flag;
uint8_t sps_multilayer_extension_flag;
uint8_t sps_3d_extension_flag;
uint8_t sps_scc_extension_flag;
uint8_t sps_extension_4bits;
H265RawPSExtensionData extension_data;
// Range extension.
uint8_t transform_skip_rotation_enabled_flag;
uint8_t transform_skip_context_enabled_flag;
uint8_t implicit_rdpcm_enabled_flag;
uint8_t explicit_rdpcm_enabled_flag;
uint8_t extended_precision_processing_flag;
uint8_t intra_smoothing_disabled_flag;
uint8_t high_precision_offsets_enabled_flag;
uint8_t persistent_rice_adaptation_enabled_flag;
uint8_t cabac_bypass_alignment_enabled_flag;
// Screen content coding extension.
uint8_t sps_curr_pic_ref_enabled_flag;
uint8_t palette_mode_enabled_flag;
uint8_t palette_max_size;
uint8_t delta_palette_max_predictor_size;
uint8_t sps_palette_predictor_initializer_present_flag;
uint8_t sps_num_palette_predictor_initializer_minus1;
uint16_t sps_palette_predictor_initializers[3][128];
uint8_t motion_vector_resolution_control_idc;
uint8_t intra_boundary_filtering_disable_flag;
} H265RawSPS;
typedef struct H265RawPPS {
H265RawNALUnitHeader nal_unit_header;
uint8_t pps_pic_parameter_set_id;
uint8_t pps_seq_parameter_set_id;
uint8_t dependent_slice_segments_enabled_flag;
uint8_t output_flag_present_flag;
uint8_t num_extra_slice_header_bits;
uint8_t sign_data_hiding_enabled_flag;
uint8_t cabac_init_present_flag;
uint8_t num_ref_idx_l0_default_active_minus1;
uint8_t num_ref_idx_l1_default_active_minus1;
int8_t init_qp_minus26;
uint8_t constrained_intra_pred_flag;
uint8_t transform_skip_enabled_flag;
uint8_t cu_qp_delta_enabled_flag;
uint8_t diff_cu_qp_delta_depth;
int8_t pps_cb_qp_offset;
int8_t pps_cr_qp_offset;
uint8_t pps_slice_chroma_qp_offsets_present_flag;
uint8_t weighted_pred_flag;
uint8_t weighted_bipred_flag;
uint8_t transquant_bypass_enabled_flag;
uint8_t tiles_enabled_flag;
uint8_t entropy_coding_sync_enabled_flag;
uint8_t num_tile_columns_minus1;
uint8_t num_tile_rows_minus1;
uint8_t uniform_spacing_flag;
uint16_t column_width_minus1[HEVC_MAX_TILE_COLUMNS];
uint16_t row_height_minus1[HEVC_MAX_TILE_ROWS];
uint8_t loop_filter_across_tiles_enabled_flag;
uint8_t pps_loop_filter_across_slices_enabled_flag;
uint8_t deblocking_filter_control_present_flag;
uint8_t deblocking_filter_override_enabled_flag;
uint8_t pps_deblocking_filter_disabled_flag;
int8_t pps_beta_offset_div2;
int8_t pps_tc_offset_div2;
uint8_t pps_scaling_list_data_present_flag;
H265RawScalingList scaling_list;
uint8_t lists_modification_present_flag;
uint8_t log2_parallel_merge_level_minus2;
uint8_t slice_segment_header_extension_present_flag;
uint8_t pps_extension_present_flag;
uint8_t pps_range_extension_flag;
uint8_t pps_multilayer_extension_flag;
uint8_t pps_3d_extension_flag;
uint8_t pps_scc_extension_flag;
uint8_t pps_extension_4bits;
H265RawPSExtensionData extension_data;
// Range extension.
uint8_t log2_max_transform_skip_block_size_minus2;
uint8_t cross_component_prediction_enabled_flag;
uint8_t chroma_qp_offset_list_enabled_flag;
uint8_t diff_cu_chroma_qp_offset_depth;
uint8_t chroma_qp_offset_list_len_minus1;
int8_t cb_qp_offset_list[6];
int8_t cr_qp_offset_list[6];
uint8_t log2_sao_offset_scale_luma;
uint8_t log2_sao_offset_scale_chroma;
// Screen content coding extension.
uint8_t pps_curr_pic_ref_enabled_flag;
uint8_t residual_adaptive_colour_transform_enabled_flag;
uint8_t pps_slice_act_qp_offsets_present_flag;
int8_t pps_act_y_qp_offset_plus5;
int8_t pps_act_cb_qp_offset_plus5;
int8_t pps_act_cr_qp_offset_plus3;
uint8_t pps_palette_predictor_initializer_present_flag;
uint8_t pps_num_palette_predictor_initializer;
uint8_t monochrome_palette_flag;
uint8_t luma_bit_depth_entry_minus8;
uint8_t chroma_bit_depth_entry_minus8;
uint16_t pps_palette_predictor_initializers[3][128];
} H265RawPPS;
typedef struct H265RawAUD {
H265RawNALUnitHeader nal_unit_header;
uint8_t pic_type;
} H265RawAUD;
typedef struct H265RawSliceHeader {
H265RawNALUnitHeader nal_unit_header;
uint8_t first_slice_segment_in_pic_flag;
uint8_t no_output_of_prior_pics_flag;
uint8_t slice_pic_parameter_set_id;
uint8_t dependent_slice_segment_flag;
uint16_t slice_segment_address;
uint8_t slice_reserved_flag[8];
uint8_t slice_type;
uint8_t pic_output_flag;
uint8_t colour_plane_id;
uint16_t slice_pic_order_cnt_lsb;
uint8_t short_term_ref_pic_set_sps_flag;
H265RawSTRefPicSet short_term_ref_pic_set;
uint8_t short_term_ref_pic_set_idx;
uint8_t num_long_term_sps;
uint8_t num_long_term_pics;
uint8_t lt_idx_sps[HEVC_MAX_REFS];
uint8_t poc_lsb_lt[HEVC_MAX_REFS];
uint8_t used_by_curr_pic_lt_flag[HEVC_MAX_REFS];
uint8_t delta_poc_msb_present_flag[HEVC_MAX_REFS];
uint32_t delta_poc_msb_cycle_lt[HEVC_MAX_REFS];
uint8_t slice_temporal_mvp_enabled_flag;
uint8_t slice_sao_luma_flag;
uint8_t slice_sao_chroma_flag;
uint8_t num_ref_idx_active_override_flag;
uint8_t num_ref_idx_l0_active_minus1;
uint8_t num_ref_idx_l1_active_minus1;
uint8_t ref_pic_list_modification_flag_l0;
uint8_t list_entry_l0[HEVC_MAX_REFS];
uint8_t ref_pic_list_modification_flag_l1;
uint8_t list_entry_l1[HEVC_MAX_REFS];
uint8_t mvd_l1_zero_flag;
uint8_t cabac_init_flag;
uint8_t collocated_from_l0_flag;
uint8_t collocated_ref_idx;
uint8_t luma_log2_weight_denom;
int8_t delta_chroma_log2_weight_denom;
uint8_t luma_weight_l0_flag[HEVC_MAX_REFS];
uint8_t chroma_weight_l0_flag[HEVC_MAX_REFS];
int8_t delta_luma_weight_l0[HEVC_MAX_REFS];
int16_t luma_offset_l0[HEVC_MAX_REFS];
int8_t delta_chroma_weight_l0[HEVC_MAX_REFS][2];
int16_t chroma_offset_l0[HEVC_MAX_REFS][2];
uint8_t luma_weight_l1_flag[HEVC_MAX_REFS];
uint8_t chroma_weight_l1_flag[HEVC_MAX_REFS];
int8_t delta_luma_weight_l1[HEVC_MAX_REFS];
int16_t luma_offset_l1[HEVC_MAX_REFS];
int8_t delta_chroma_weight_l1[HEVC_MAX_REFS][2];
int16_t chroma_offset_l1[HEVC_MAX_REFS][2];
uint8_t five_minus_max_num_merge_cand;
uint8_t use_integer_mv_flag;
int8_t slice_qp_delta;
int8_t slice_cb_qp_offset;
int8_t slice_cr_qp_offset;
int8_t slice_act_y_qp_offset;
int8_t slice_act_cb_qp_offset;
int8_t slice_act_cr_qp_offset;
uint8_t cu_chroma_qp_offset_enabled_flag;
uint8_t deblocking_filter_override_flag;
uint8_t slice_deblocking_filter_disabled_flag;
int8_t slice_beta_offset_div2;
int8_t slice_tc_offset_div2;
uint8_t slice_loop_filter_across_slices_enabled_flag;
uint16_t num_entry_point_offsets;
uint8_t offset_len_minus1;
uint32_t entry_point_offset_minus1[HEVC_MAX_ENTRY_POINT_OFFSETS];
uint16_t slice_segment_header_extension_length;
uint8_t slice_segment_header_extension_data_byte[256];
} H265RawSliceHeader;
typedef struct H265RawSlice {
H265RawSliceHeader header;
uint8_t *data;
size_t data_size;
int data_bit_start;
AVBufferRef *data_ref;
} H265RawSlice;
typedef struct H265RawSEIBufferingPeriod {
uint8_t bp_seq_parameter_set_id;
uint8_t irap_cpb_params_present_flag;
uint32_t cpb_delay_offset;
uint32_t dpb_delay_offset;
uint8_t concatenation_flag;
uint32_t au_cpb_removal_delay_delta_minus1;
uint32_t nal_initial_cpb_removal_delay[HEVC_MAX_CPB_CNT];
uint32_t nal_initial_cpb_removal_offset[HEVC_MAX_CPB_CNT];
uint32_t nal_initial_alt_cpb_removal_delay[HEVC_MAX_CPB_CNT];
uint32_t nal_initial_alt_cpb_removal_offset[HEVC_MAX_CPB_CNT];
uint32_t vcl_initial_cpb_removal_delay[HEVC_MAX_CPB_CNT];
uint32_t vcl_initial_cpb_removal_offset[HEVC_MAX_CPB_CNT];
uint32_t vcl_initial_alt_cpb_removal_delay[HEVC_MAX_CPB_CNT];
uint32_t vcl_initial_alt_cpb_removal_offset[HEVC_MAX_CPB_CNT];
uint8_t use_alt_cpb_params_flag;
} H265RawSEIBufferingPeriod;
typedef struct H265RawSEIPicTiming {
uint8_t pic_struct;
uint8_t source_scan_type;
uint8_t duplicate_flag;
uint32_t au_cpb_removal_delay_minus1;
uint32_t pic_dpb_output_delay;
uint32_t pic_dpb_output_du_delay;
uint16_t num_decoding_units_minus1;
uint8_t du_common_cpb_removal_delay_flag;
uint32_t du_common_cpb_removal_delay_increment_minus1;
uint16_t num_nalus_in_du_minus1[HEVC_MAX_SLICE_SEGMENTS];
uint32_t du_cpb_removal_delay_increment_minus1[HEVC_MAX_SLICE_SEGMENTS];
} H265RawSEIPicTiming;
typedef struct H265RawSEIPanScanRect {
uint32_t pan_scan_rect_id;
uint8_t pan_scan_rect_cancel_flag;
uint8_t pan_scan_cnt_minus1;
int32_t pan_scan_rect_left_offset[3];
int32_t pan_scan_rect_right_offset[3];
int32_t pan_scan_rect_top_offset[3];
int32_t pan_scan_rect_bottom_offset[3];
uint16_t pan_scan_rect_persistence_flag;
} H265RawSEIPanScanRect;
typedef struct H265RawSEIUserDataRegistered {
uint8_t itu_t_t35_country_code;
uint8_t itu_t_t35_country_code_extension_byte;
uint8_t *data;
size_t data_length;
AVBufferRef *data_ref;
} H265RawSEIUserDataRegistered;
typedef struct H265RawSEIUserDataUnregistered {
uint8_t uuid_iso_iec_11578[16];
uint8_t *data;
size_t data_length;
AVBufferRef *data_ref;
} H265RawSEIUserDataUnregistered;
typedef struct H265RawSEIRecoveryPoint {
int16_t recovery_poc_cnt;
uint8_t exact_match_flag;
uint8_t broken_link_flag;
} H265RawSEIRecoveryPoint;
typedef struct H265RawSEIDisplayOrientation {
uint8_t display_orientation_cancel_flag;
uint8_t hor_flip;
uint8_t ver_flip;
uint16_t anticlockwise_rotation;
uint16_t display_orientation_repetition_period;
uint8_t display_orientation_persistence_flag;
} H265RawSEIDisplayOrientation;
typedef struct H265RawSEIActiveParameterSets {
uint8_t active_video_parameter_set_id;
uint8_t self_contained_cvs_flag;
uint8_t no_parameter_set_update_flag;
uint8_t num_sps_ids_minus1;
uint8_t active_seq_parameter_set_id[HEVC_MAX_SPS_COUNT];
uint8_t layer_sps_idx[HEVC_MAX_LAYERS];
} H265RawSEIActiveParameterSets;
typedef struct H265RawSEIDecodedPictureHash {
uint8_t hash_type;
uint8_t picture_md5[3][16];
uint16_t picture_crc[3];
uint32_t picture_checksum[3];
} H265RawSEIDecodedPictureHash;
typedef struct H265RawSEITimeCode {
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];
} H265RawSEITimeCode;
typedef struct H265RawSEIMasteringDisplayColourVolume {
uint16_t display_primaries_x[3];
uint16_t display_primaries_y[3];
uint16_t white_point_x;
uint16_t white_point_y;
uint32_t max_display_mastering_luminance;
uint32_t min_display_mastering_luminance;
} H265RawSEIMasteringDisplayColourVolume;
typedef struct H265RawSEIContentLightLevelInfo {
uint16_t max_content_light_level;
uint16_t max_pic_average_light_level;
} H265RawSEIContentLightLevelInfo;
typedef struct H265RawSEIAlternativeTransferCharacteristics {
uint8_t preferred_transfer_characteristics;
} H265RawSEIAlternativeTransferCharacteristics;
typedef struct H265RawSEIAlphaChannelInfo {
uint8_t alpha_channel_cancel_flag;
uint8_t alpha_channel_use_idc;
uint8_t alpha_channel_bit_depth_minus8;
uint16_t alpha_transparent_value;
uint16_t alpha_opaque_value;
uint8_t alpha_channel_incr_flag;
uint8_t alpha_channel_clip_flag;
uint8_t alpha_channel_clip_type_flag;
} H265RawSEIAlphaChannelInfo;
typedef struct H265RawSEIPayload {
uint32_t payload_type;
uint32_t payload_size;
union {
H265RawSEIBufferingPeriod buffering_period;
H265RawSEIPicTiming pic_timing;
H265RawSEIPanScanRect pan_scan_rect;
H265RawSEIUserDataRegistered user_data_registered;
H265RawSEIUserDataUnregistered user_data_unregistered;
H265RawSEIRecoveryPoint recovery_point;
H265RawSEIDisplayOrientation display_orientation;
H265RawSEIActiveParameterSets active_parameter_sets;
H265RawSEIDecodedPictureHash decoded_picture_hash;
H265RawSEITimeCode time_code;
H265RawSEIMasteringDisplayColourVolume mastering_display;
H265RawSEIContentLightLevelInfo content_light_level;
H265RawSEIAlternativeTransferCharacteristics
alternative_transfer_characteristics;
H265RawSEIAlphaChannelInfo alpha_channel_info;
struct {
uint8_t *data;
size_t data_length;
AVBufferRef *data_ref;
} other;
} payload;
} H265RawSEIPayload;
typedef struct H265RawSEI {
H265RawNALUnitHeader nal_unit_header;
H265RawSEIPayload payload[H265_MAX_SEI_PAYLOADS];
uint8_t payload_count;
} H265RawSEI;
typedef struct CodedBitstreamH265Context {
// Reader/writer context in common with the H.264 implementation.
CodedBitstreamH2645Context common;
// All currently available parameter sets. These are updated when
// any parameter set NAL unit is read/written with this context.
AVBufferRef *vps_ref[HEVC_MAX_VPS_COUNT];
AVBufferRef *sps_ref[HEVC_MAX_SPS_COUNT];
AVBufferRef *pps_ref[HEVC_MAX_PPS_COUNT];
H265RawVPS *vps[HEVC_MAX_VPS_COUNT];
H265RawSPS *sps[HEVC_MAX_SPS_COUNT];
H265RawPPS *pps[HEVC_MAX_PPS_COUNT];
// The currently active parameter sets. These are updated when any
// NAL unit refers to the relevant parameter set. These pointers
// must also be present in the arrays above.
const H265RawVPS *active_vps;
const H265RawSPS *active_sps;
const H265RawPPS *active_pps;
} CodedBitstreamH265Context;
#endif /* AVCODEC_CBS_H265_H */
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