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   1 /*
   2  * This file is part of FFmpeg.
   3  *
   4  * FFmpeg is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * FFmpeg is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with FFmpeg; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  17  */
  18
  19 #ifndef AVCODEC_CBS_H265_H
  20 #define AVCODEC_CBS_H265_H
  21
  22 #include <stddef.h>
  23 #include <stdint.h>
  24
  25 #include "cbs_h2645.h"
  26 #include "hevc.h"
  27
  28 enum {
  29     // This limit is arbitrary - it is sufficient for one message of each
  30     // type plus some repeats, and will therefore easily cover all sane
  31     // streams.  However, it is possible to make technically-valid streams
  32     // for which it will fail (for example, by including a large number of
  33     // user-data-unregistered messages).
  34     H265_MAX_SEI_PAYLOADS = 64,
  35 };
  36
  37 typedef struct H265RawNALUnitHeader {
  38     uint8_t forbidden_zero_bit;
  39     uint8_t nal_unit_type;
  40     uint8_t nuh_layer_id;
  41     uint8_t nuh_temporal_id_plus1;
  42 } H265RawNALUnitHeader;
  43
  44 typedef struct H265RawProfileTierLevel {
  45     uint8_t general_profile_space;
  46     uint8_t general_tier_flag;
  47     uint8_t general_profile_idc;
  48
  49     uint8_t general_profile_compatibility_flag[32];
  50
  51     uint8_t general_progressive_source_flag;
  52     uint8_t general_interlaced_source_flag;
  53     uint8_t general_non_packed_constraint_flag;
  54     uint8_t general_frame_only_constraint_flag;
  55
  56     uint8_t general_max_12bit_constraint_flag;
  57     uint8_t general_max_10bit_constraint_flag;
  58     uint8_t general_max_8bit_constraint_flag;
  59     uint8_t general_max_422chroma_constraint_flag;
  60     uint8_t general_max_420chroma_constraint_flag;
  61     uint8_t general_max_monochrome_constraint_flag;
  62     uint8_t general_intra_constraint_flag;
  63     uint8_t general_one_picture_only_constraint_flag;
  64     uint8_t general_lower_bit_rate_constraint_flag;
  65     uint8_t general_max_14bit_constraint_flag;
  66
  67     uint8_t general_inbld_flag;
  68
  69     uint8_t general_level_idc;
  70
  71     uint8_t sub_layer_profile_present_flag[HEVC_MAX_SUB_LAYERS];
  72     uint8_t sub_layer_level_present_flag[HEVC_MAX_SUB_LAYERS];
  73
  74     uint8_t sub_layer_profile_space[HEVC_MAX_SUB_LAYERS];
  75     uint8_t sub_layer_tier_flag[HEVC_MAX_SUB_LAYERS];
  76     uint8_t sub_layer_profile_idc[HEVC_MAX_SUB_LAYERS];
  77
  78     uint8_t sub_layer_profile_compatibility_flag[HEVC_MAX_SUB_LAYERS][32];
  79
  80     uint8_t sub_layer_progressive_source_flag[HEVC_MAX_SUB_LAYERS];
  81     uint8_t sub_layer_interlaced_source_flag[HEVC_MAX_SUB_LAYERS];
  82     uint8_t sub_layer_non_packed_constraint_flag[HEVC_MAX_SUB_LAYERS];
  83     uint8_t sub_layer_frame_only_constraint_flag[HEVC_MAX_SUB_LAYERS];
  84
  85     uint8_t sub_layer_max_12bit_constraint_flag[HEVC_MAX_SUB_LAYERS];
  86     uint8_t sub_layer_max_10bit_constraint_flag[HEVC_MAX_SUB_LAYERS];
  87     uint8_t sub_layer_max_8bit_constraint_flag[HEVC_MAX_SUB_LAYERS];
  88     uint8_t sub_layer_max_422chroma_constraint_flag[HEVC_MAX_SUB_LAYERS];
  89     uint8_t sub_layer_max_420chroma_constraint_flag[HEVC_MAX_SUB_LAYERS];
  90     uint8_t sub_layer_max_monochrome_constraint_flag[HEVC_MAX_SUB_LAYERS];
  91     uint8_t sub_layer_intra_constraint_flag[HEVC_MAX_SUB_LAYERS];
  92     uint8_t sub_layer_one_picture_only_constraint_flag[HEVC_MAX_SUB_LAYERS];
  93     uint8_t sub_layer_lower_bit_rate_constraint_flag[HEVC_MAX_SUB_LAYERS];
  94     uint8_t sub_layer_max_14bit_constraint_flag[HEVC_MAX_SUB_LAYERS];
  95
  96     uint8_t sub_layer_inbld_flag[HEVC_MAX_SUB_LAYERS];
  97
  98     uint8_t sub_layer_level_idc[HEVC_MAX_SUB_LAYERS];
  99 } H265RawProfileTierLevel;
 100
 101 typedef struct H265RawSubLayerHRDParameters {
 102     uint32_t bit_rate_value_minus1[HEVC_MAX_CPB_CNT];
 103     uint32_t cpb_size_value_minus1[HEVC_MAX_CPB_CNT];
 104     uint32_t cpb_size_du_value_minus1[HEVC_MAX_CPB_CNT];
 105     uint32_t bit_rate_du_value_minus1[HEVC_MAX_CPB_CNT];
 106     uint8_t cbr_flag[HEVC_MAX_CPB_CNT];
 107 } H265RawSubLayerHRDParameters;
 108
 109 typedef struct H265RawHRDParameters {
 110     uint8_t nal_hrd_parameters_present_flag;
 111     uint8_t vcl_hrd_parameters_present_flag;
 112
 113     uint8_t sub_pic_hrd_params_present_flag;
 114     uint8_t tick_divisor_minus2;
 115     uint8_t du_cpb_removal_delay_increment_length_minus1;
 116     uint8_t sub_pic_cpb_params_in_pic_timing_sei_flag;
 117     uint8_t dpb_output_delay_du_length_minus1;
 118
 119     uint8_t bit_rate_scale;
 120     uint8_t cpb_size_scale;
 121     uint8_t cpb_size_du_scale;
 122
 123     uint8_t initial_cpb_removal_delay_length_minus1;
 124     uint8_t au_cpb_removal_delay_length_minus1;
 125     uint8_t dpb_output_delay_length_minus1;
 126
 127     uint8_t fixed_pic_rate_general_flag[HEVC_MAX_SUB_LAYERS];
 128     uint8_t fixed_pic_rate_within_cvs_flag[HEVC_MAX_SUB_LAYERS];
 129     uint16_t elemental_duration_in_tc_minus1[HEVC_MAX_SUB_LAYERS];
 130     uint8_t low_delay_hrd_flag[HEVC_MAX_SUB_LAYERS];
 131     uint8_t cpb_cnt_minus1[HEVC_MAX_SUB_LAYERS];
 132     H265RawSubLayerHRDParameters nal_sub_layer_hrd_parameters[HEVC_MAX_SUB_LAYERS];
 133     H265RawSubLayerHRDParameters vcl_sub_layer_hrd_parameters[HEVC_MAX_SUB_LAYERS];
 134 } H265RawHRDParameters;
 135
 136 typedef struct H265RawVUI {
 137     uint8_t aspect_ratio_info_present_flag;
 138     uint8_t aspect_ratio_idc;
 139     uint16_t sar_width;
 140     uint16_t sar_height;
 141
 142     uint8_t overscan_info_present_flag;
 143     uint8_t overscan_appropriate_flag;
 144
 145     uint8_t video_signal_type_present_flag;
 146     uint8_t video_format;
 147     uint8_t video_full_range_flag;
 148     uint8_t colour_description_present_flag;
 149     uint8_t colour_primaries;
 150     uint8_t transfer_characteristics;
 151     uint8_t matrix_coefficients;
 152
 153     uint8_t chroma_loc_info_present_flag;
 154     uint8_t chroma_sample_loc_type_top_field;
 155     uint8_t chroma_sample_loc_type_bottom_field;
 156
 157     uint8_t neutral_chroma_indication_flag;
 158     uint8_t field_seq_flag;
 159     uint8_t frame_field_info_present_flag;
 160
 161     uint8_t default_display_window_flag;
 162     uint16_t def_disp_win_left_offset;
 163     uint16_t def_disp_win_right_offset;
 164     uint16_t def_disp_win_top_offset;
 165     uint16_t def_disp_win_bottom_offset;
 166
 167     uint8_t vui_timing_info_present_flag;
 168     uint32_t vui_num_units_in_tick;
 169     uint32_t vui_time_scale;
 170     uint8_t vui_poc_proportional_to_timing_flag;
 171     uint32_t vui_num_ticks_poc_diff_one_minus1;
 172     uint8_t vui_hrd_parameters_present_flag;
 173     H265RawHRDParameters hrd_parameters;
 174
 175     uint8_t bitstream_restriction_flag;
 176     uint8_t tiles_fixed_structure_flag;
 177     uint8_t motion_vectors_over_pic_boundaries_flag;
 178     uint8_t restricted_ref_pic_lists_flag;
 179     uint16_t min_spatial_segmentation_idc;
 180     uint8_t max_bytes_per_pic_denom;
 181     uint8_t max_bits_per_min_cu_denom;
 182     uint8_t log2_max_mv_length_horizontal;
 183     uint8_t log2_max_mv_length_vertical;
 184 } H265RawVUI;
 185
 186 typedef struct H265RawPSExtensionData {
 187     uint8_t *data;
 188     size_t bit_length;
 189     AVBufferRef *data_ref;
 190 } H265RawPSExtensionData;
 191
 192 typedef struct H265RawVPS {
 193     H265RawNALUnitHeader nal_unit_header;
 194
 195     uint8_t vps_video_parameter_set_id;
 196
 197     uint8_t vps_base_layer_internal_flag;
 198     uint8_t vps_base_layer_available_flag;
 199     uint8_t vps_max_layers_minus1;
 200     uint8_t vps_max_sub_layers_minus1;
 201     uint8_t vps_temporal_id_nesting_flag;
 202
 203     H265RawProfileTierLevel profile_tier_level;
 204
 205     uint8_t vps_sub_layer_ordering_info_present_flag;
 206     uint8_t vps_max_dec_pic_buffering_minus1[HEVC_MAX_SUB_LAYERS];
 207     uint8_t vps_max_num_reorder_pics[HEVC_MAX_SUB_LAYERS];
 208     uint32_t vps_max_latency_increase_plus1[HEVC_MAX_SUB_LAYERS];
 209
 210     uint8_t vps_max_layer_id;
 211     uint16_t vps_num_layer_sets_minus1;
 212     uint8_t layer_id_included_flag[HEVC_MAX_LAYER_SETS][HEVC_MAX_LAYERS];
 213
 214     uint8_t vps_timing_info_present_flag;
 215     uint32_t vps_num_units_in_tick;
 216     uint32_t vps_time_scale;
 217     uint8_t vps_poc_proportional_to_timing_flag;
 218     uint32_t vps_num_ticks_poc_diff_one_minus1;
 219     uint16_t vps_num_hrd_parameters;
 220     uint16_t hrd_layer_set_idx[HEVC_MAX_LAYER_SETS];
 221     uint8_t cprms_present_flag[HEVC_MAX_LAYER_SETS];
 222     H265RawHRDParameters hrd_parameters[HEVC_MAX_LAYER_SETS];
 223
 224     uint8_t vps_extension_flag;
 225     H265RawPSExtensionData extension_data;
 226 } H265RawVPS;
 227
 228 typedef struct H265RawSTRefPicSet {
 229     uint8_t inter_ref_pic_set_prediction_flag;
 230
 231     uint8_t delta_idx_minus1;
 232     uint8_t delta_rps_sign;
 233     uint16_t abs_delta_rps_minus1;
 234
 235     uint8_t used_by_curr_pic_flag[HEVC_MAX_REFS];
 236     uint8_t use_delta_flag[HEVC_MAX_REFS];
 237
 238     uint8_t num_negative_pics;
 239     uint8_t num_positive_pics;
 240     uint16_t delta_poc_s0_minus1[HEVC_MAX_REFS];
 241     uint8_t used_by_curr_pic_s0_flag[HEVC_MAX_REFS];
 242     uint16_t delta_poc_s1_minus1[HEVC_MAX_REFS];
 243     uint8_t used_by_curr_pic_s1_flag[HEVC_MAX_REFS];
 244 } H265RawSTRefPicSet;
 245
 246 typedef struct H265RawScalingList {
 247     uint8_t scaling_list_pred_mode_flag[4][6];
 248     uint8_t scaling_list_pred_matrix_id_delta[4][6];
 249     int16_t scaling_list_dc_coef_minus8[4][6];
 250     int8_t scaling_list_delta_coeff[4][6][64];
 251 } H265RawScalingList;
 252
 253 typedef struct H265RawSPS {
 254     H265RawNALUnitHeader nal_unit_header;
 255
 256     uint8_t sps_video_parameter_set_id;
 257
 258     uint8_t sps_max_sub_layers_minus1;
 259     uint8_t sps_temporal_id_nesting_flag;
 260
 261     H265RawProfileTierLevel profile_tier_level;
 262
 263     uint8_t sps_seq_parameter_set_id;
 264
 265     uint8_t chroma_format_idc;
 266     uint8_t separate_colour_plane_flag;
 267
 268     uint16_t pic_width_in_luma_samples;
 269     uint16_t pic_height_in_luma_samples;
 270
 271     uint8_t conformance_window_flag;
 272     uint16_t conf_win_left_offset;
 273     uint16_t conf_win_right_offset;
 274     uint16_t conf_win_top_offset;
 275     uint16_t conf_win_bottom_offset;
 276
 277     uint8_t bit_depth_luma_minus8;
 278     uint8_t bit_depth_chroma_minus8;
 279
 280     uint8_t log2_max_pic_order_cnt_lsb_minus4;
 281
 282     uint8_t sps_sub_layer_ordering_info_present_flag;
 283     uint8_t sps_max_dec_pic_buffering_minus1[HEVC_MAX_SUB_LAYERS];
 284     uint8_t sps_max_num_reorder_pics[HEVC_MAX_SUB_LAYERS];
 285     uint32_t sps_max_latency_increase_plus1[HEVC_MAX_SUB_LAYERS];
 286
 287     uint8_t log2_min_luma_coding_block_size_minus3;
 288     uint8_t log2_diff_max_min_luma_coding_block_size;
 289     uint8_t log2_min_luma_transform_block_size_minus2;
 290     uint8_t log2_diff_max_min_luma_transform_block_size;
 291     uint8_t max_transform_hierarchy_depth_inter;
 292     uint8_t max_transform_hierarchy_depth_intra;
 293
 294     uint8_t scaling_list_enabled_flag;
 295     uint8_t sps_scaling_list_data_present_flag;
 296     H265RawScalingList scaling_list;
 297
 298     uint8_t amp_enabled_flag;
 299     uint8_t sample_adaptive_offset_enabled_flag;
 300
 301     uint8_t pcm_enabled_flag;
 302     uint8_t pcm_sample_bit_depth_luma_minus1;
 303     uint8_t pcm_sample_bit_depth_chroma_minus1;
 304     uint8_t log2_min_pcm_luma_coding_block_size_minus3;
 305     uint8_t log2_diff_max_min_pcm_luma_coding_block_size;
 306     uint8_t pcm_loop_filter_disabled_flag;
 307
 308     uint8_t num_short_term_ref_pic_sets;
 309     H265RawSTRefPicSet st_ref_pic_set[HEVC_MAX_SHORT_TERM_REF_PIC_SETS];
 310
 311     uint8_t long_term_ref_pics_present_flag;
 312     uint8_t num_long_term_ref_pics_sps;
 313     uint16_t lt_ref_pic_poc_lsb_sps[HEVC_MAX_LONG_TERM_REF_PICS];
 314     uint8_t used_by_curr_pic_lt_sps_flag[HEVC_MAX_LONG_TERM_REF_PICS];
 315
 316     uint8_t sps_temporal_mvp_enabled_flag;
 317     uint8_t strong_intra_smoothing_enabled_flag;
 318
 319     uint8_t vui_parameters_present_flag;
 320     H265RawVUI vui;
 321
 322     uint8_t sps_extension_present_flag;
 323     uint8_t sps_range_extension_flag;
 324     uint8_t sps_multilayer_extension_flag;
 325     uint8_t sps_3d_extension_flag;
 326     uint8_t sps_scc_extension_flag;
 327     uint8_t sps_extension_4bits;
 328
 329     H265RawPSExtensionData extension_data;
 330
 331     // Range extension.
 332     uint8_t transform_skip_rotation_enabled_flag;
 333     uint8_t transform_skip_context_enabled_flag;
 334     uint8_t implicit_rdpcm_enabled_flag;
 335     uint8_t explicit_rdpcm_enabled_flag;
 336     uint8_t extended_precision_processing_flag;
 337     uint8_t intra_smoothing_disabled_flag;
 338     uint8_t high_precision_offsets_enabled_flag;
 339     uint8_t persistent_rice_adaptation_enabled_flag;
 340     uint8_t cabac_bypass_alignment_enabled_flag;
 341
 342     // Screen content coding extension.
 343     uint8_t sps_curr_pic_ref_enabled_flag;
 344     uint8_t palette_mode_enabled_flag;
 345     uint8_t palette_max_size;
 346     uint8_t delta_palette_max_predictor_size;
 347     uint8_t sps_palette_predictor_initializer_present_flag;
 348     uint8_t sps_num_palette_predictor_initializer_minus1;
 349     uint16_t sps_palette_predictor_initializers[3][128];
 350
 351     uint8_t motion_vector_resolution_control_idc;
 352     uint8_t intra_boundary_filtering_disable_flag;
 353 } H265RawSPS;
 354
 355 typedef struct H265RawPPS {
 356     H265RawNALUnitHeader nal_unit_header;
 357
 358     uint8_t pps_pic_parameter_set_id;
 359     uint8_t pps_seq_parameter_set_id;
 360
 361     uint8_t dependent_slice_segments_enabled_flag;
 362     uint8_t output_flag_present_flag;
 363     uint8_t num_extra_slice_header_bits;
 364     uint8_t sign_data_hiding_enabled_flag;
 365     uint8_t cabac_init_present_flag;
 366
 367     uint8_t num_ref_idx_l0_default_active_minus1;
 368     uint8_t num_ref_idx_l1_default_active_minus1;
 369
 370     int8_t init_qp_minus26;
 371
 372     uint8_t constrained_intra_pred_flag;
 373     uint8_t transform_skip_enabled_flag;
 374     uint8_t cu_qp_delta_enabled_flag;
 375     uint8_t diff_cu_qp_delta_depth;
 376
 377     int8_t pps_cb_qp_offset;
 378     int8_t pps_cr_qp_offset;
 379     uint8_t pps_slice_chroma_qp_offsets_present_flag;
 380
 381     uint8_t weighted_pred_flag;
 382     uint8_t weighted_bipred_flag;
 383
 384     uint8_t transquant_bypass_enabled_flag;
 385     uint8_t tiles_enabled_flag;
 386     uint8_t entropy_coding_sync_enabled_flag;
 387
 388     uint8_t num_tile_columns_minus1;
 389     uint8_t num_tile_rows_minus1;
 390     uint8_t uniform_spacing_flag;
 391     uint16_t column_width_minus1[HEVC_MAX_TILE_COLUMNS];
 392     uint16_t row_height_minus1[HEVC_MAX_TILE_ROWS];
 393     uint8_t loop_filter_across_tiles_enabled_flag;
 394
 395     uint8_t pps_loop_filter_across_slices_enabled_flag;
 396     uint8_t deblocking_filter_control_present_flag;
 397     uint8_t deblocking_filter_override_enabled_flag;
 398     uint8_t pps_deblocking_filter_disabled_flag;
 399     int8_t pps_beta_offset_div2;
 400     int8_t pps_tc_offset_div2;
 401
 402     uint8_t pps_scaling_list_data_present_flag;
 403     H265RawScalingList scaling_list;
 404
 405     uint8_t lists_modification_present_flag;
 406     uint8_t log2_parallel_merge_level_minus2;
 407
 408     uint8_t slice_segment_header_extension_present_flag;
 409
 410     uint8_t pps_extension_present_flag;
 411     uint8_t pps_range_extension_flag;
 412     uint8_t pps_multilayer_extension_flag;
 413     uint8_t pps_3d_extension_flag;
 414     uint8_t pps_scc_extension_flag;
 415     uint8_t pps_extension_4bits;
 416
 417     H265RawPSExtensionData extension_data;
 418
 419     // Range extension.
 420     uint8_t log2_max_transform_skip_block_size_minus2;
 421     uint8_t cross_component_prediction_enabled_flag;
 422     uint8_t chroma_qp_offset_list_enabled_flag;
 423     uint8_t diff_cu_chroma_qp_offset_depth;
 424     uint8_t chroma_qp_offset_list_len_minus1;
 425     int8_t cb_qp_offset_list[6];
 426     int8_t cr_qp_offset_list[6];
 427     uint8_t log2_sao_offset_scale_luma;
 428     uint8_t log2_sao_offset_scale_chroma;
 429
 430     // Screen content coding extension.
 431     uint8_t pps_curr_pic_ref_enabled_flag;
 432     uint8_t residual_adaptive_colour_transform_enabled_flag;
 433     uint8_t pps_slice_act_qp_offsets_present_flag;
 434     int8_t pps_act_y_qp_offset_plus5;
 435     int8_t pps_act_cb_qp_offset_plus5;
 436     int8_t pps_act_cr_qp_offset_plus3;
 437
 438     uint8_t pps_palette_predictor_initializer_present_flag;
 439     uint8_t pps_num_palette_predictor_initializer;
 440     uint8_t monochrome_palette_flag;
 441     uint8_t luma_bit_depth_entry_minus8;
 442     uint8_t chroma_bit_depth_entry_minus8;
 443     uint16_t pps_palette_predictor_initializers[3][128];
 444 } H265RawPPS;
 445
 446 typedef struct H265RawAUD {
 447     H265RawNALUnitHeader nal_unit_header;
 448
 449     uint8_t pic_type;
 450 } H265RawAUD;
 451
 452 typedef struct  H265RawSliceHeader {
 453     H265RawNALUnitHeader nal_unit_header;
 454
 455     uint8_t first_slice_segment_in_pic_flag;
 456     uint8_t no_output_of_prior_pics_flag;
 457     uint8_t slice_pic_parameter_set_id;
 458
 459     uint8_t dependent_slice_segment_flag;
 460     uint16_t slice_segment_address;
 461
 462     uint8_t slice_reserved_flag[8];
 463     uint8_t slice_type;
 464
 465     uint8_t pic_output_flag;
 466     uint8_t colour_plane_id;
 467
 468     uint16_t slice_pic_order_cnt_lsb;
 469
 470     uint8_t short_term_ref_pic_set_sps_flag;
 471     H265RawSTRefPicSet short_term_ref_pic_set;
 472     uint8_t short_term_ref_pic_set_idx;
 473
 474     uint8_t num_long_term_sps;
 475     uint8_t num_long_term_pics;
 476     uint8_t lt_idx_sps[HEVC_MAX_REFS];
 477     uint8_t poc_lsb_lt[HEVC_MAX_REFS];
 478     uint8_t used_by_curr_pic_lt_flag[HEVC_MAX_REFS];
 479     uint8_t delta_poc_msb_present_flag[HEVC_MAX_REFS];
 480     uint32_t delta_poc_msb_cycle_lt[HEVC_MAX_REFS];
 481
 482     uint8_t slice_temporal_mvp_enabled_flag;
 483
 484     uint8_t slice_sao_luma_flag;
 485     uint8_t slice_sao_chroma_flag;
 486
 487     uint8_t num_ref_idx_active_override_flag;
 488     uint8_t num_ref_idx_l0_active_minus1;
 489     uint8_t num_ref_idx_l1_active_minus1;
 490
 491     uint8_t ref_pic_list_modification_flag_l0;
 492     uint8_t list_entry_l0[HEVC_MAX_REFS];
 493     uint8_t ref_pic_list_modification_flag_l1;
 494     uint8_t list_entry_l1[HEVC_MAX_REFS];
 495
 496     uint8_t mvd_l1_zero_flag;
 497     uint8_t cabac_init_flag;
 498     uint8_t collocated_from_l0_flag;
 499     uint8_t collocated_ref_idx;
 500
 501     uint8_t luma_log2_weight_denom;
 502     int8_t delta_chroma_log2_weight_denom;
 503     uint8_t luma_weight_l0_flag[HEVC_MAX_REFS];
 504     uint8_t chroma_weight_l0_flag[HEVC_MAX_REFS];
 505     int8_t delta_luma_weight_l0[HEVC_MAX_REFS];
 506     int16_t luma_offset_l0[HEVC_MAX_REFS];
 507     int8_t delta_chroma_weight_l0[HEVC_MAX_REFS][2];
 508     int16_t chroma_offset_l0[HEVC_MAX_REFS][2];
 509     uint8_t luma_weight_l1_flag[HEVC_MAX_REFS];
 510     uint8_t chroma_weight_l1_flag[HEVC_MAX_REFS];
 511     int8_t delta_luma_weight_l1[HEVC_MAX_REFS];
 512     int16_t luma_offset_l1[HEVC_MAX_REFS];
 513     int8_t delta_chroma_weight_l1[HEVC_MAX_REFS][2];
 514     int16_t chroma_offset_l1[HEVC_MAX_REFS][2];
 515
 516     uint8_t five_minus_max_num_merge_cand;
 517     uint8_t use_integer_mv_flag;
 518
 519     int8_t slice_qp_delta;
 520     int8_t slice_cb_qp_offset;
 521     int8_t slice_cr_qp_offset;
 522     int8_t slice_act_y_qp_offset;
 523     int8_t slice_act_cb_qp_offset;
 524     int8_t slice_act_cr_qp_offset;
 525     uint8_t cu_chroma_qp_offset_enabled_flag;
 526
 527     uint8_t deblocking_filter_override_flag;
 528     uint8_t slice_deblocking_filter_disabled_flag;
 529     int8_t slice_beta_offset_div2;
 530     int8_t slice_tc_offset_div2;
 531     uint8_t slice_loop_filter_across_slices_enabled_flag;
 532
 533     uint16_t num_entry_point_offsets;
 534     uint8_t offset_len_minus1;
 535     uint32_t entry_point_offset_minus1[HEVC_MAX_ENTRY_POINT_OFFSETS];
 536
 537     uint16_t slice_segment_header_extension_length;
 538     uint8_t slice_segment_header_extension_data_byte[256];
 539 } H265RawSliceHeader;
 540
 541
 542 typedef struct H265RawSlice {
 543     H265RawSliceHeader header;
 544
 545     uint8_t *data;
 546     size_t   data_size;
 547     int      data_bit_start;
 548     AVBufferRef *data_ref;
 549 } H265RawSlice;
 550
 551
 552 typedef struct H265RawSEIBufferingPeriod {
 553     uint8_t  bp_seq_parameter_set_id;
 554     uint8_t  irap_cpb_params_present_flag;
 555     uint32_t cpb_delay_offset;
 556     uint32_t dpb_delay_offset;
 557     uint8_t  concatenation_flag;
 558     uint32_t au_cpb_removal_delay_delta_minus1;
 559
 560     uint32_t nal_initial_cpb_removal_delay[HEVC_MAX_CPB_CNT];
 561     uint32_t nal_initial_cpb_removal_offset[HEVC_MAX_CPB_CNT];
 562     uint32_t nal_initial_alt_cpb_removal_delay[HEVC_MAX_CPB_CNT];
 563     uint32_t nal_initial_alt_cpb_removal_offset[HEVC_MAX_CPB_CNT];
 564
 565     uint32_t vcl_initial_cpb_removal_delay[HEVC_MAX_CPB_CNT];
 566     uint32_t vcl_initial_cpb_removal_offset[HEVC_MAX_CPB_CNT];
 567     uint32_t vcl_initial_alt_cpb_removal_delay[HEVC_MAX_CPB_CNT];
 568     uint32_t vcl_initial_alt_cpb_removal_offset[HEVC_MAX_CPB_CNT];
 569
 570     uint8_t  use_alt_cpb_params_flag;
 571 } H265RawSEIBufferingPeriod;
 572
 573 typedef struct H265RawSEIPicTiming {
 574     uint8_t pic_struct;
 575     uint8_t source_scan_type;
 576     uint8_t duplicate_flag;
 577
 578     uint32_t au_cpb_removal_delay_minus1;
 579     uint32_t pic_dpb_output_delay;
 580     uint32_t pic_dpb_output_du_delay;
 581
 582     uint16_t num_decoding_units_minus1;
 583     uint8_t  du_common_cpb_removal_delay_flag;
 584     uint32_t du_common_cpb_removal_delay_increment_minus1;
 585     uint16_t num_nalus_in_du_minus1[HEVC_MAX_SLICE_SEGMENTS];
 586     uint32_t du_cpb_removal_delay_increment_minus1[HEVC_MAX_SLICE_SEGMENTS];
 587 } H265RawSEIPicTiming;
 588
 589 typedef struct H265RawSEIPanScanRect {
 590     uint32_t pan_scan_rect_id;
 591     uint8_t  pan_scan_rect_cancel_flag;
 592     uint8_t  pan_scan_cnt_minus1;
 593     int32_t  pan_scan_rect_left_offset[3];
 594     int32_t  pan_scan_rect_right_offset[3];
 595     int32_t  pan_scan_rect_top_offset[3];
 596     int32_t  pan_scan_rect_bottom_offset[3];
 597     uint16_t pan_scan_rect_persistence_flag;
 598 } H265RawSEIPanScanRect;
 599
 600 typedef struct H265RawSEIUserDataRegistered {
 601     uint8_t itu_t_t35_country_code;
 602     uint8_t itu_t_t35_country_code_extension_byte;
 603     uint8_t     *data;
 604     size_t       data_length;
 605     AVBufferRef *data_ref;
 606 } H265RawSEIUserDataRegistered;
 607
 608 typedef struct H265RawSEIUserDataUnregistered {
 609     uint8_t uuid_iso_iec_11578[16];
 610     uint8_t     *data;
 611     size_t       data_length;
 612     AVBufferRef *data_ref;
 613 } H265RawSEIUserDataUnregistered;
 614
 615 typedef struct H265RawSEIRecoveryPoint {
 616     int16_t recovery_poc_cnt;
 617     uint8_t exact_match_flag;
 618     uint8_t broken_link_flag;
 619 } H265RawSEIRecoveryPoint;
 620
 621 typedef struct H265RawSEIDisplayOrientation {
 622     uint8_t display_orientation_cancel_flag;
 623     uint8_t hor_flip;
 624     uint8_t ver_flip;
 625     uint16_t anticlockwise_rotation;
 626     uint16_t display_orientation_repetition_period;
 627     uint8_t display_orientation_persistence_flag;
 628 } H265RawSEIDisplayOrientation;
 629
 630 typedef struct H265RawSEIActiveParameterSets {
 631     uint8_t active_video_parameter_set_id;
 632     uint8_t self_contained_cvs_flag;
 633     uint8_t no_parameter_set_update_flag;
 634     uint8_t num_sps_ids_minus1;
 635     uint8_t active_seq_parameter_set_id[HEVC_MAX_SPS_COUNT];
 636     uint8_t layer_sps_idx[HEVC_MAX_LAYERS];
 637 } H265RawSEIActiveParameterSets;
 638
 639 typedef struct H265RawSEIDecodedPictureHash {
 640     uint8_t  hash_type;
 641     uint8_t  picture_md5[3][16];
 642     uint16_t picture_crc[3];
 643     uint32_t picture_checksum[3];
 644 } H265RawSEIDecodedPictureHash;
 645
 646 typedef struct H265RawSEITimeCode {
 647     uint8_t  num_clock_ts;
 648     uint8_t  clock_timestamp_flag[3];
 649     uint8_t  units_field_based_flag[3];
 650     uint8_t  counting_type[3];
 651     uint8_t  full_timestamp_flag[3];
 652     uint8_t  discontinuity_flag[3];
 653     uint8_t  cnt_dropped_flag[3];
 654     uint16_t n_frames[3];
 655     uint8_t  seconds_value[3];
 656     uint8_t  minutes_value[3];
 657     uint8_t  hours_value[3];
 658     uint8_t  seconds_flag[3];
 659     uint8_t  minutes_flag[3];
 660     uint8_t  hours_flag[3];
 661     uint8_t  time_offset_length[3];
 662     uint32_t time_offset_value[3];
 663 } H265RawSEITimeCode;
 664
 665 typedef struct H265RawSEIMasteringDisplayColourVolume {
 666     uint16_t display_primaries_x[3];
 667     uint16_t display_primaries_y[3];
 668     uint16_t white_point_x;
 669     uint16_t white_point_y;
 670     uint32_t max_display_mastering_luminance;
 671     uint32_t min_display_mastering_luminance;
 672 } H265RawSEIMasteringDisplayColourVolume;
 673
 674 typedef struct H265RawSEIContentLightLevelInfo {
 675     uint16_t max_content_light_level;
 676     uint16_t max_pic_average_light_level;
 677 } H265RawSEIContentLightLevelInfo;
 678
 679 typedef struct H265RawSEIAlternativeTransferCharacteristics {
 680     uint8_t preferred_transfer_characteristics;
 681 } H265RawSEIAlternativeTransferCharacteristics;
 682
 683 typedef struct H265RawSEIPayload {
 684     uint32_t payload_type;
 685     uint32_t payload_size;
 686     union {
 687         H265RawSEIBufferingPeriod buffering_period;
 688         H265RawSEIPicTiming pic_timing;
 689         H265RawSEIPanScanRect pan_scan_rect;
 690         H265RawSEIUserDataRegistered user_data_registered;
 691         H265RawSEIUserDataUnregistered user_data_unregistered;
 692         H265RawSEIRecoveryPoint recovery_point;
 693         H265RawSEIDisplayOrientation display_orientation;
 694         H265RawSEIActiveParameterSets active_parameter_sets;
 695         H265RawSEIDecodedPictureHash decoded_picture_hash;
 696         H265RawSEITimeCode time_code;
 697         H265RawSEIMasteringDisplayColourVolume mastering_display;
 698         H265RawSEIContentLightLevelInfo content_light_level;
 699         H265RawSEIAlternativeTransferCharacteristics
 700             alternative_transfer_characteristics;
 701         struct {
 702             uint8_t *data;
 703             size_t data_length;
 704             AVBufferRef *data_ref;
 705         } other;
 706     } payload;
 707 } H265RawSEIPayload;
 708
 709 typedef struct H265RawSEI {
 710     H265RawNALUnitHeader nal_unit_header;
 711
 712     H265RawSEIPayload payload[H265_MAX_SEI_PAYLOADS];
 713     uint8_t payload_count;
 714 } H265RawSEI;
 715
 716 typedef struct CodedBitstreamH265Context {
 717     // Reader/writer context in common with the H.264 implementation.
 718     CodedBitstreamH2645Context common;
 719
 720     // All currently available parameter sets.  These are updated when
 721     // any parameter set NAL unit is read/written with this context.
 722     AVBufferRef *vps_ref[HEVC_MAX_VPS_COUNT];
 723     AVBufferRef *sps_ref[HEVC_MAX_SPS_COUNT];
 724     AVBufferRef *pps_ref[HEVC_MAX_PPS_COUNT];
 725     H265RawVPS *vps[HEVC_MAX_VPS_COUNT];
 726     H265RawSPS *sps[HEVC_MAX_SPS_COUNT];
 727     H265RawPPS *pps[HEVC_MAX_PPS_COUNT];
 728
 729     // The currently active parameter sets.  These are updated when any
 730     // NAL unit refers to the relevant parameter set.  These pointers
 731     // must also be present in the arrays above.
 732     const H265RawVPS *active_vps;
 733     const H265RawSPS *active_sps;
 734     const H265RawPPS *active_pps;
 735 } CodedBitstreamH265Context;
 736
 737
 738 #endif /* AVCODEC_CBS_H265_H */