cbs_h265.h 24.8 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
/*
 * 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"

28 29 30 31 32 33 34 35
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,
};
36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72

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];

73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97
    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];
98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187
} 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;
188
    AVBufferRef *data_ref;
189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546
} 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;
547
    AVBufferRef *data_ref;
548 549
} H265RawSlice;

550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660

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];
661
    int32_t  time_offset_value[3];
662 663
} H265RawSEITimeCode;

664 665 666 667 668 669 670 671 672
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;

673 674 675 676 677
typedef struct H265RawSEIContentLightLevelInfo {
    uint16_t max_content_light_level;
    uint16_t max_pic_average_light_level;
} H265RawSEIContentLightLevelInfo;

678 679 680 681
typedef struct H265RawSEIAlternativeTransferCharacteristics {
    uint8_t preferred_transfer_characteristics;
} H265RawSEIAlternativeTransferCharacteristics;

682 683 684 685
typedef struct H265RawSEIPayload {
    uint32_t payload_type;
    uint32_t payload_size;
    union {
686 687 688 689 690 691 692 693 694 695
        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;
696
        H265RawSEIMasteringDisplayColourVolume mastering_display;
697
        H265RawSEIContentLightLevelInfo content_light_level;
698 699
        H265RawSEIAlternativeTransferCharacteristics
            alternative_transfer_characteristics;
700 701 702 703 704 705 706 707 708 709 710 711 712 713
        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;
714 715 716 717 718 719 720

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.
721 722 723
    AVBufferRef *vps_ref[HEVC_MAX_VPS_COUNT];
    AVBufferRef *sps_ref[HEVC_MAX_SPS_COUNT];
    AVBufferRef *pps_ref[HEVC_MAX_PPS_COUNT];
724 725 726 727 728 729 730 731 732 733 734 735 736 737
    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 */