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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 "cbs_sei.h"
  27 #include "hevc.h"
  28
  29 typedef struct H265RawNALUnitHeader {
  30     uint8_t nal_unit_type;
  31     uint8_t nuh_layer_id;
  32     uint8_t nuh_temporal_id_plus1;
  33 } H265RawNALUnitHeader;
  34
  35 typedef struct H265RawProfileTierLevel {
  36     uint8_t general_profile_space;
  37     uint8_t general_tier_flag;
  38     uint8_t general_profile_idc;
  39
  40     uint8_t general_profile_compatibility_flag[32];
  41
  42     uint8_t general_progressive_source_flag;
  43     uint8_t general_interlaced_source_flag;
  44     uint8_t general_non_packed_constraint_flag;
  45     uint8_t general_frame_only_constraint_flag;
  46
  47     uint8_t general_max_12bit_constraint_flag;
  48     uint8_t general_max_10bit_constraint_flag;
  49     uint8_t general_max_8bit_constraint_flag;
  50     uint8_t general_max_422chroma_constraint_flag;
  51     uint8_t general_max_420chroma_constraint_flag;
  52     uint8_t general_max_monochrome_constraint_flag;
  53     uint8_t general_intra_constraint_flag;
  54     uint8_t general_one_picture_only_constraint_flag;
  55     uint8_t general_lower_bit_rate_constraint_flag;
  56     uint8_t general_max_14bit_constraint_flag;
  57
  58     uint8_t general_inbld_flag;
  59
  60     uint8_t general_level_idc;
  61
  62     uint8_t sub_layer_profile_present_flag[HEVC_MAX_SUB_LAYERS];
  63     uint8_t sub_layer_level_present_flag[HEVC_MAX_SUB_LAYERS];
  64
  65     uint8_t sub_layer_profile_space[HEVC_MAX_SUB_LAYERS];
  66     uint8_t sub_layer_tier_flag[HEVC_MAX_SUB_LAYERS];
  67     uint8_t sub_layer_profile_idc[HEVC_MAX_SUB_LAYERS];
  68
  69     uint8_t sub_layer_profile_compatibility_flag[HEVC_MAX_SUB_LAYERS][32];
  70
  71     uint8_t sub_layer_progressive_source_flag[HEVC_MAX_SUB_LAYERS];
  72     uint8_t sub_layer_interlaced_source_flag[HEVC_MAX_SUB_LAYERS];
  73     uint8_t sub_layer_non_packed_constraint_flag[HEVC_MAX_SUB_LAYERS];
  74     uint8_t sub_layer_frame_only_constraint_flag[HEVC_MAX_SUB_LAYERS];
  75
  76     uint8_t sub_layer_max_12bit_constraint_flag[HEVC_MAX_SUB_LAYERS];
  77     uint8_t sub_layer_max_10bit_constraint_flag[HEVC_MAX_SUB_LAYERS];
  78     uint8_t sub_layer_max_8bit_constraint_flag[HEVC_MAX_SUB_LAYERS];
  79     uint8_t sub_layer_max_422chroma_constraint_flag[HEVC_MAX_SUB_LAYERS];
  80     uint8_t sub_layer_max_420chroma_constraint_flag[HEVC_MAX_SUB_LAYERS];
  81     uint8_t sub_layer_max_monochrome_constraint_flag[HEVC_MAX_SUB_LAYERS];
  82     uint8_t sub_layer_intra_constraint_flag[HEVC_MAX_SUB_LAYERS];
  83     uint8_t sub_layer_one_picture_only_constraint_flag[HEVC_MAX_SUB_LAYERS];
  84     uint8_t sub_layer_lower_bit_rate_constraint_flag[HEVC_MAX_SUB_LAYERS];
  85     uint8_t sub_layer_max_14bit_constraint_flag[HEVC_MAX_SUB_LAYERS];
  86
  87     uint8_t sub_layer_inbld_flag[HEVC_MAX_SUB_LAYERS];
  88
  89     uint8_t sub_layer_level_idc[HEVC_MAX_SUB_LAYERS];
  90 } H265RawProfileTierLevel;
  91
  92 typedef struct H265RawSubLayerHRDParameters {
  93     uint32_t bit_rate_value_minus1[HEVC_MAX_CPB_CNT];
  94     uint32_t cpb_size_value_minus1[HEVC_MAX_CPB_CNT];
  95     uint32_t cpb_size_du_value_minus1[HEVC_MAX_CPB_CNT];
  96     uint32_t bit_rate_du_value_minus1[HEVC_MAX_CPB_CNT];
  97     uint8_t cbr_flag[HEVC_MAX_CPB_CNT];
  98 } H265RawSubLayerHRDParameters;
  99
 100 typedef struct H265RawHRDParameters {
 101     uint8_t nal_hrd_parameters_present_flag;
 102     uint8_t vcl_hrd_parameters_present_flag;
 103
 104     uint8_t sub_pic_hrd_params_present_flag;
 105     uint8_t tick_divisor_minus2;
 106     uint8_t du_cpb_removal_delay_increment_length_minus1;
 107     uint8_t sub_pic_cpb_params_in_pic_timing_sei_flag;
 108     uint8_t dpb_output_delay_du_length_minus1;
 109
 110     uint8_t bit_rate_scale;
 111     uint8_t cpb_size_scale;
 112     uint8_t cpb_size_du_scale;
 113
 114     uint8_t initial_cpb_removal_delay_length_minus1;
 115     uint8_t au_cpb_removal_delay_length_minus1;
 116     uint8_t dpb_output_delay_length_minus1;
 117
 118     uint8_t fixed_pic_rate_general_flag[HEVC_MAX_SUB_LAYERS];
 119     uint8_t fixed_pic_rate_within_cvs_flag[HEVC_MAX_SUB_LAYERS];
 120     uint16_t elemental_duration_in_tc_minus1[HEVC_MAX_SUB_LAYERS];
 121     uint8_t low_delay_hrd_flag[HEVC_MAX_SUB_LAYERS];
 122     uint8_t cpb_cnt_minus1[HEVC_MAX_SUB_LAYERS];
 123     H265RawSubLayerHRDParameters nal_sub_layer_hrd_parameters[HEVC_MAX_SUB_LAYERS];
 124     H265RawSubLayerHRDParameters vcl_sub_layer_hrd_parameters[HEVC_MAX_SUB_LAYERS];
 125 } H265RawHRDParameters;
 126
 127 typedef struct H265RawVUI {
 128     uint8_t aspect_ratio_info_present_flag;
 129     uint8_t aspect_ratio_idc;
 130     uint16_t sar_width;
 131     uint16_t sar_height;
 132
 133     uint8_t overscan_info_present_flag;
 134     uint8_t overscan_appropriate_flag;
 135
 136     uint8_t video_signal_type_present_flag;
 137     uint8_t video_format;
 138     uint8_t video_full_range_flag;
 139     uint8_t colour_description_present_flag;
 140     uint8_t colour_primaries;
 141     uint8_t transfer_characteristics;
 142     uint8_t matrix_coefficients;
 143
 144     uint8_t chroma_loc_info_present_flag;
 145     uint8_t chroma_sample_loc_type_top_field;
 146     uint8_t chroma_sample_loc_type_bottom_field;
 147
 148     uint8_t neutral_chroma_indication_flag;
 149     uint8_t field_seq_flag;
 150     uint8_t frame_field_info_present_flag;
 151
 152     uint8_t default_display_window_flag;
 153     uint16_t def_disp_win_left_offset;
 154     uint16_t def_disp_win_right_offset;
 155     uint16_t def_disp_win_top_offset;
 156     uint16_t def_disp_win_bottom_offset;
 157
 158     uint8_t vui_timing_info_present_flag;
 159     uint32_t vui_num_units_in_tick;
 160     uint32_t vui_time_scale;
 161     uint8_t vui_poc_proportional_to_timing_flag;
 162     uint32_t vui_num_ticks_poc_diff_one_minus1;
 163     uint8_t vui_hrd_parameters_present_flag;
 164     H265RawHRDParameters hrd_parameters;
 165
 166     uint8_t bitstream_restriction_flag;
 167     uint8_t tiles_fixed_structure_flag;
 168     uint8_t motion_vectors_over_pic_boundaries_flag;
 169     uint8_t restricted_ref_pic_lists_flag;
 170     uint16_t min_spatial_segmentation_idc;
 171     uint8_t max_bytes_per_pic_denom;
 172     uint8_t max_bits_per_min_cu_denom;
 173     uint8_t log2_max_mv_length_horizontal;
 174     uint8_t log2_max_mv_length_vertical;
 175 } H265RawVUI;
 176
 177 typedef struct H265RawExtensionData {
 178     uint8_t     *data;
 179     AVBufferRef *data_ref;
 180     size_t       bit_length;
 181 } H265RawExtensionData;
 182
 183 typedef struct H265RawVPS {
 184     H265RawNALUnitHeader nal_unit_header;
 185
 186     uint8_t vps_video_parameter_set_id;
 187
 188     uint8_t vps_base_layer_internal_flag;
 189     uint8_t vps_base_layer_available_flag;
 190     uint8_t vps_max_layers_minus1;
 191     uint8_t vps_max_sub_layers_minus1;
 192     uint8_t vps_temporal_id_nesting_flag;
 193
 194     H265RawProfileTierLevel profile_tier_level;
 195
 196     uint8_t vps_sub_layer_ordering_info_present_flag;
 197     uint8_t vps_max_dec_pic_buffering_minus1[HEVC_MAX_SUB_LAYERS];
 198     uint8_t vps_max_num_reorder_pics[HEVC_MAX_SUB_LAYERS];
 199     uint32_t vps_max_latency_increase_plus1[HEVC_MAX_SUB_LAYERS];
 200
 201     uint8_t vps_max_layer_id;
 202     uint16_t vps_num_layer_sets_minus1;
 203     uint8_t layer_id_included_flag[HEVC_MAX_LAYER_SETS][HEVC_MAX_LAYERS];
 204
 205     uint8_t vps_timing_info_present_flag;
 206     uint32_t vps_num_units_in_tick;
 207     uint32_t vps_time_scale;
 208     uint8_t vps_poc_proportional_to_timing_flag;
 209     uint32_t vps_num_ticks_poc_diff_one_minus1;
 210     uint16_t vps_num_hrd_parameters;
 211     uint16_t hrd_layer_set_idx[HEVC_MAX_LAYER_SETS];
 212     uint8_t cprms_present_flag[HEVC_MAX_LAYER_SETS];
 213     H265RawHRDParameters hrd_parameters[HEVC_MAX_LAYER_SETS];
 214
 215     uint8_t vps_extension_flag;
 216     H265RawExtensionData extension_data;
 217 } H265RawVPS;
 218
 219 typedef struct H265RawSTRefPicSet {
 220     uint8_t inter_ref_pic_set_prediction_flag;
 221
 222     uint8_t delta_idx_minus1;
 223     uint8_t delta_rps_sign;
 224     uint16_t abs_delta_rps_minus1;
 225
 226     uint8_t used_by_curr_pic_flag[HEVC_MAX_REFS];
 227     uint8_t use_delta_flag[HEVC_MAX_REFS];
 228
 229     uint8_t num_negative_pics;
 230     uint8_t num_positive_pics;
 231     uint16_t delta_poc_s0_minus1[HEVC_MAX_REFS];
 232     uint8_t used_by_curr_pic_s0_flag[HEVC_MAX_REFS];
 233     uint16_t delta_poc_s1_minus1[HEVC_MAX_REFS];
 234     uint8_t used_by_curr_pic_s1_flag[HEVC_MAX_REFS];
 235 } H265RawSTRefPicSet;
 236
 237 typedef struct H265RawScalingList {
 238     uint8_t scaling_list_pred_mode_flag[4][6];
 239     uint8_t scaling_list_pred_matrix_id_delta[4][6];
 240     int16_t scaling_list_dc_coef_minus8[4][6];
 241     int8_t scaling_list_delta_coeff[4][6][64];
 242 } H265RawScalingList;
 243
 244 typedef struct H265RawSPS {
 245     H265RawNALUnitHeader nal_unit_header;
 246
 247     uint8_t sps_video_parameter_set_id;
 248
 249     uint8_t sps_max_sub_layers_minus1;
 250     uint8_t sps_temporal_id_nesting_flag;
 251
 252     H265RawProfileTierLevel profile_tier_level;
 253
 254     uint8_t sps_seq_parameter_set_id;
 255
 256     uint8_t chroma_format_idc;
 257     uint8_t separate_colour_plane_flag;
 258
 259     uint16_t pic_width_in_luma_samples;
 260     uint16_t pic_height_in_luma_samples;
 261
 262     uint8_t conformance_window_flag;
 263     uint16_t conf_win_left_offset;
 264     uint16_t conf_win_right_offset;
 265     uint16_t conf_win_top_offset;
 266     uint16_t conf_win_bottom_offset;
 267
 268     uint8_t bit_depth_luma_minus8;
 269     uint8_t bit_depth_chroma_minus8;
 270
 271     uint8_t log2_max_pic_order_cnt_lsb_minus4;
 272
 273     uint8_t sps_sub_layer_ordering_info_present_flag;
 274     uint8_t sps_max_dec_pic_buffering_minus1[HEVC_MAX_SUB_LAYERS];
 275     uint8_t sps_max_num_reorder_pics[HEVC_MAX_SUB_LAYERS];
 276     uint32_t sps_max_latency_increase_plus1[HEVC_MAX_SUB_LAYERS];
 277
 278     uint8_t log2_min_luma_coding_block_size_minus3;
 279     uint8_t log2_diff_max_min_luma_coding_block_size;
 280     uint8_t log2_min_luma_transform_block_size_minus2;
 281     uint8_t log2_diff_max_min_luma_transform_block_size;
 282     uint8_t max_transform_hierarchy_depth_inter;
 283     uint8_t max_transform_hierarchy_depth_intra;
 284
 285     uint8_t scaling_list_enabled_flag;
 286     uint8_t sps_scaling_list_data_present_flag;
 287     H265RawScalingList scaling_list;
 288
 289     uint8_t amp_enabled_flag;
 290     uint8_t sample_adaptive_offset_enabled_flag;
 291
 292     uint8_t pcm_enabled_flag;
 293     uint8_t pcm_sample_bit_depth_luma_minus1;
 294     uint8_t pcm_sample_bit_depth_chroma_minus1;
 295     uint8_t log2_min_pcm_luma_coding_block_size_minus3;
 296     uint8_t log2_diff_max_min_pcm_luma_coding_block_size;
 297     uint8_t pcm_loop_filter_disabled_flag;
 298
 299     uint8_t num_short_term_ref_pic_sets;
 300     H265RawSTRefPicSet st_ref_pic_set[HEVC_MAX_SHORT_TERM_REF_PIC_SETS];
 301
 302     uint8_t long_term_ref_pics_present_flag;
 303     uint8_t num_long_term_ref_pics_sps;
 304     uint16_t lt_ref_pic_poc_lsb_sps[HEVC_MAX_LONG_TERM_REF_PICS];
 305     uint8_t used_by_curr_pic_lt_sps_flag[HEVC_MAX_LONG_TERM_REF_PICS];
 306
 307     uint8_t sps_temporal_mvp_enabled_flag;
 308     uint8_t strong_intra_smoothing_enabled_flag;
 309
 310     uint8_t vui_parameters_present_flag;
 311     H265RawVUI vui;
 312
 313     uint8_t sps_extension_present_flag;
 314     uint8_t sps_range_extension_flag;
 315     uint8_t sps_multilayer_extension_flag;
 316     uint8_t sps_3d_extension_flag;
 317     uint8_t sps_scc_extension_flag;
 318     uint8_t sps_extension_4bits;
 319
 320     H265RawExtensionData extension_data;
 321
 322     // Range extension.
 323     uint8_t transform_skip_rotation_enabled_flag;
 324     uint8_t transform_skip_context_enabled_flag;
 325     uint8_t implicit_rdpcm_enabled_flag;
 326     uint8_t explicit_rdpcm_enabled_flag;
 327     uint8_t extended_precision_processing_flag;
 328     uint8_t intra_smoothing_disabled_flag;
 329     uint8_t high_precision_offsets_enabled_flag;
 330     uint8_t persistent_rice_adaptation_enabled_flag;
 331     uint8_t cabac_bypass_alignment_enabled_flag;
 332
 333     // Screen content coding extension.
 334     uint8_t sps_curr_pic_ref_enabled_flag;
 335     uint8_t palette_mode_enabled_flag;
 336     uint8_t palette_max_size;
 337     uint8_t delta_palette_max_predictor_size;
 338     uint8_t sps_palette_predictor_initializer_present_flag;
 339     uint8_t sps_num_palette_predictor_initializer_minus1;
 340     uint16_t sps_palette_predictor_initializers[3][128];
 341
 342     uint8_t motion_vector_resolution_control_idc;
 343     uint8_t intra_boundary_filtering_disable_flag;
 344 } H265RawSPS;
 345
 346 typedef struct H265RawPPS {
 347     H265RawNALUnitHeader nal_unit_header;
 348
 349     uint8_t pps_pic_parameter_set_id;
 350     uint8_t pps_seq_parameter_set_id;
 351
 352     uint8_t dependent_slice_segments_enabled_flag;
 353     uint8_t output_flag_present_flag;
 354     uint8_t num_extra_slice_header_bits;
 355     uint8_t sign_data_hiding_enabled_flag;
 356     uint8_t cabac_init_present_flag;
 357
 358     uint8_t num_ref_idx_l0_default_active_minus1;
 359     uint8_t num_ref_idx_l1_default_active_minus1;
 360
 361     int8_t init_qp_minus26;
 362
 363     uint8_t constrained_intra_pred_flag;
 364     uint8_t transform_skip_enabled_flag;
 365     uint8_t cu_qp_delta_enabled_flag;
 366     uint8_t diff_cu_qp_delta_depth;
 367
 368     int8_t pps_cb_qp_offset;
 369     int8_t pps_cr_qp_offset;
 370     uint8_t pps_slice_chroma_qp_offsets_present_flag;
 371
 372     uint8_t weighted_pred_flag;
 373     uint8_t weighted_bipred_flag;
 374
 375     uint8_t transquant_bypass_enabled_flag;
 376     uint8_t tiles_enabled_flag;
 377     uint8_t entropy_coding_sync_enabled_flag;
 378
 379     uint8_t num_tile_columns_minus1;
 380     uint8_t num_tile_rows_minus1;
 381     uint8_t uniform_spacing_flag;
 382     uint16_t column_width_minus1[HEVC_MAX_TILE_COLUMNS];
 383     uint16_t row_height_minus1[HEVC_MAX_TILE_ROWS];
 384     uint8_t loop_filter_across_tiles_enabled_flag;
 385
 386     uint8_t pps_loop_filter_across_slices_enabled_flag;
 387     uint8_t deblocking_filter_control_present_flag;
 388     uint8_t deblocking_filter_override_enabled_flag;
 389     uint8_t pps_deblocking_filter_disabled_flag;
 390     int8_t pps_beta_offset_div2;
 391     int8_t pps_tc_offset_div2;
 392
 393     uint8_t pps_scaling_list_data_present_flag;
 394     H265RawScalingList scaling_list;
 395
 396     uint8_t lists_modification_present_flag;
 397     uint8_t log2_parallel_merge_level_minus2;
 398
 399     uint8_t slice_segment_header_extension_present_flag;
 400
 401     uint8_t pps_extension_present_flag;
 402     uint8_t pps_range_extension_flag;
 403     uint8_t pps_multilayer_extension_flag;
 404     uint8_t pps_3d_extension_flag;
 405     uint8_t pps_scc_extension_flag;
 406     uint8_t pps_extension_4bits;
 407
 408     H265RawExtensionData extension_data;
 409
 410     // Range extension.
 411     uint8_t log2_max_transform_skip_block_size_minus2;
 412     uint8_t cross_component_prediction_enabled_flag;
 413     uint8_t chroma_qp_offset_list_enabled_flag;
 414     uint8_t diff_cu_chroma_qp_offset_depth;
 415     uint8_t chroma_qp_offset_list_len_minus1;
 416     int8_t cb_qp_offset_list[6];
 417     int8_t cr_qp_offset_list[6];
 418     uint8_t log2_sao_offset_scale_luma;
 419     uint8_t log2_sao_offset_scale_chroma;
 420
 421     // Screen content coding extension.
 422     uint8_t pps_curr_pic_ref_enabled_flag;
 423     uint8_t residual_adaptive_colour_transform_enabled_flag;
 424     uint8_t pps_slice_act_qp_offsets_present_flag;
 425     int8_t pps_act_y_qp_offset_plus5;
 426     int8_t pps_act_cb_qp_offset_plus5;
 427     int8_t pps_act_cr_qp_offset_plus3;
 428
 429     uint8_t pps_palette_predictor_initializer_present_flag;
 430     uint8_t pps_num_palette_predictor_initializer;
 431     uint8_t monochrome_palette_flag;
 432     uint8_t luma_bit_depth_entry_minus8;
 433     uint8_t chroma_bit_depth_entry_minus8;
 434     uint16_t pps_palette_predictor_initializers[3][128];
 435 } H265RawPPS;
 436
 437 typedef struct H265RawAUD {
 438     H265RawNALUnitHeader nal_unit_header;
 439
 440     uint8_t pic_type;
 441 } H265RawAUD;
 442
 443 typedef struct  H265RawSliceHeader {
 444     H265RawNALUnitHeader nal_unit_header;
 445
 446     uint8_t first_slice_segment_in_pic_flag;
 447     uint8_t no_output_of_prior_pics_flag;
 448     uint8_t slice_pic_parameter_set_id;
 449
 450     uint8_t dependent_slice_segment_flag;
 451     uint16_t slice_segment_address;
 452
 453     uint8_t slice_reserved_flag[8];
 454     uint8_t slice_type;
 455
 456     uint8_t pic_output_flag;
 457     uint8_t colour_plane_id;
 458
 459     uint16_t slice_pic_order_cnt_lsb;
 460
 461     uint8_t short_term_ref_pic_set_sps_flag;
 462     H265RawSTRefPicSet short_term_ref_pic_set;
 463     uint8_t short_term_ref_pic_set_idx;
 464
 465     uint8_t num_long_term_sps;
 466     uint8_t num_long_term_pics;
 467     uint8_t lt_idx_sps[HEVC_MAX_REFS];
 468     uint8_t poc_lsb_lt[HEVC_MAX_REFS];
 469     uint8_t used_by_curr_pic_lt_flag[HEVC_MAX_REFS];
 470     uint8_t delta_poc_msb_present_flag[HEVC_MAX_REFS];
 471     uint32_t delta_poc_msb_cycle_lt[HEVC_MAX_REFS];
 472
 473     uint8_t slice_temporal_mvp_enabled_flag;
 474
 475     uint8_t slice_sao_luma_flag;
 476     uint8_t slice_sao_chroma_flag;
 477
 478     uint8_t num_ref_idx_active_override_flag;
 479     uint8_t num_ref_idx_l0_active_minus1;
 480     uint8_t num_ref_idx_l1_active_minus1;
 481
 482     uint8_t ref_pic_list_modification_flag_l0;
 483     uint8_t list_entry_l0[HEVC_MAX_REFS];
 484     uint8_t ref_pic_list_modification_flag_l1;
 485     uint8_t list_entry_l1[HEVC_MAX_REFS];
 486
 487     uint8_t mvd_l1_zero_flag;
 488     uint8_t cabac_init_flag;
 489     uint8_t collocated_from_l0_flag;
 490     uint8_t collocated_ref_idx;
 491
 492     uint8_t luma_log2_weight_denom;
 493     int8_t delta_chroma_log2_weight_denom;
 494     uint8_t luma_weight_l0_flag[HEVC_MAX_REFS];
 495     uint8_t chroma_weight_l0_flag[HEVC_MAX_REFS];
 496     int8_t delta_luma_weight_l0[HEVC_MAX_REFS];
 497     int16_t luma_offset_l0[HEVC_MAX_REFS];
 498     int8_t delta_chroma_weight_l0[HEVC_MAX_REFS][2];
 499     int16_t chroma_offset_l0[HEVC_MAX_REFS][2];
 500     uint8_t luma_weight_l1_flag[HEVC_MAX_REFS];
 501     uint8_t chroma_weight_l1_flag[HEVC_MAX_REFS];
 502     int8_t delta_luma_weight_l1[HEVC_MAX_REFS];
 503     int16_t luma_offset_l1[HEVC_MAX_REFS];
 504     int8_t delta_chroma_weight_l1[HEVC_MAX_REFS][2];
 505     int16_t chroma_offset_l1[HEVC_MAX_REFS][2];
 506
 507     uint8_t five_minus_max_num_merge_cand;
 508     uint8_t use_integer_mv_flag;
 509
 510     int8_t slice_qp_delta;
 511     int8_t slice_cb_qp_offset;
 512     int8_t slice_cr_qp_offset;
 513     int8_t slice_act_y_qp_offset;
 514     int8_t slice_act_cb_qp_offset;
 515     int8_t slice_act_cr_qp_offset;
 516     uint8_t cu_chroma_qp_offset_enabled_flag;
 517
 518     uint8_t deblocking_filter_override_flag;
 519     uint8_t slice_deblocking_filter_disabled_flag;
 520     int8_t slice_beta_offset_div2;
 521     int8_t slice_tc_offset_div2;
 522     uint8_t slice_loop_filter_across_slices_enabled_flag;
 523
 524     uint16_t num_entry_point_offsets;
 525     uint8_t offset_len_minus1;
 526     uint32_t entry_point_offset_minus1[HEVC_MAX_ENTRY_POINT_OFFSETS];
 527
 528     uint16_t slice_segment_header_extension_length;
 529     uint8_t slice_segment_header_extension_data_byte[256];
 530 } H265RawSliceHeader;
 531
 532
 533 typedef struct H265RawSlice {
 534     H265RawSliceHeader header;
 535
 536     uint8_t     *data;
 537     AVBufferRef *data_ref;
 538     size_t       data_size;
 539     int          data_bit_start;
 540 } H265RawSlice;
 541
 542
 543 typedef struct H265RawSEIBufferingPeriod {
 544     uint8_t  bp_seq_parameter_set_id;
 545     uint8_t  irap_cpb_params_present_flag;
 546     uint32_t cpb_delay_offset;
 547     uint32_t dpb_delay_offset;
 548     uint8_t  concatenation_flag;
 549     uint32_t au_cpb_removal_delay_delta_minus1;
 550
 551     uint32_t nal_initial_cpb_removal_delay[HEVC_MAX_CPB_CNT];
 552     uint32_t nal_initial_cpb_removal_offset[HEVC_MAX_CPB_CNT];
 553     uint32_t nal_initial_alt_cpb_removal_delay[HEVC_MAX_CPB_CNT];
 554     uint32_t nal_initial_alt_cpb_removal_offset[HEVC_MAX_CPB_CNT];
 555
 556     uint32_t vcl_initial_cpb_removal_delay[HEVC_MAX_CPB_CNT];
 557     uint32_t vcl_initial_cpb_removal_offset[HEVC_MAX_CPB_CNT];
 558     uint32_t vcl_initial_alt_cpb_removal_delay[HEVC_MAX_CPB_CNT];
 559     uint32_t vcl_initial_alt_cpb_removal_offset[HEVC_MAX_CPB_CNT];
 560
 561     uint8_t  use_alt_cpb_params_flag;
 562 } H265RawSEIBufferingPeriod;
 563
 564 typedef struct H265RawSEIPicTiming {
 565     uint8_t pic_struct;
 566     uint8_t source_scan_type;
 567     uint8_t duplicate_flag;
 568
 569     uint32_t au_cpb_removal_delay_minus1;
 570     uint32_t pic_dpb_output_delay;
 571     uint32_t pic_dpb_output_du_delay;
 572
 573     uint16_t num_decoding_units_minus1;
 574     uint8_t  du_common_cpb_removal_delay_flag;
 575     uint32_t du_common_cpb_removal_delay_increment_minus1;
 576     uint16_t num_nalus_in_du_minus1[HEVC_MAX_SLICE_SEGMENTS];
 577     uint32_t du_cpb_removal_delay_increment_minus1[HEVC_MAX_SLICE_SEGMENTS];
 578 } H265RawSEIPicTiming;
 579
 580 typedef struct H265RawSEIPanScanRect {
 581     uint32_t pan_scan_rect_id;
 582     uint8_t  pan_scan_rect_cancel_flag;
 583     uint8_t  pan_scan_cnt_minus1;
 584     int32_t  pan_scan_rect_left_offset[3];
 585     int32_t  pan_scan_rect_right_offset[3];
 586     int32_t  pan_scan_rect_top_offset[3];
 587     int32_t  pan_scan_rect_bottom_offset[3];
 588     uint16_t pan_scan_rect_persistence_flag;
 589 } H265RawSEIPanScanRect;
 590
 591 typedef struct H265RawSEIRecoveryPoint {
 592     int16_t recovery_poc_cnt;
 593     uint8_t exact_match_flag;
 594     uint8_t broken_link_flag;
 595 } H265RawSEIRecoveryPoint;
 596
 597 typedef struct H265RawSEIDisplayOrientation {
 598     uint8_t display_orientation_cancel_flag;
 599     uint8_t hor_flip;
 600     uint8_t ver_flip;
 601     uint16_t anticlockwise_rotation;
 602     uint16_t display_orientation_repetition_period;
 603     uint8_t display_orientation_persistence_flag;
 604 } H265RawSEIDisplayOrientation;
 605
 606 typedef struct H265RawSEIActiveParameterSets {
 607     uint8_t active_video_parameter_set_id;
 608     uint8_t self_contained_cvs_flag;
 609     uint8_t no_parameter_set_update_flag;
 610     uint8_t num_sps_ids_minus1;
 611     uint8_t active_seq_parameter_set_id[HEVC_MAX_SPS_COUNT];
 612     uint8_t layer_sps_idx[HEVC_MAX_LAYERS];
 613 } H265RawSEIActiveParameterSets;
 614
 615 typedef struct H265RawSEIDecodedPictureHash {
 616     uint8_t  hash_type;
 617     uint8_t  picture_md5[3][16];
 618     uint16_t picture_crc[3];
 619     uint32_t picture_checksum[3];
 620 } H265RawSEIDecodedPictureHash;
 621
 622 typedef struct H265RawSEITimeCode {
 623     uint8_t  num_clock_ts;
 624     uint8_t  clock_timestamp_flag[3];
 625     uint8_t  units_field_based_flag[3];
 626     uint8_t  counting_type[3];
 627     uint8_t  full_timestamp_flag[3];
 628     uint8_t  discontinuity_flag[3];
 629     uint8_t  cnt_dropped_flag[3];
 630     uint16_t n_frames[3];
 631     uint8_t  seconds_value[3];
 632     uint8_t  minutes_value[3];
 633     uint8_t  hours_value[3];
 634     uint8_t  seconds_flag[3];
 635     uint8_t  minutes_flag[3];
 636     uint8_t  hours_flag[3];
 637     uint8_t  time_offset_length[3];
 638     int32_t  time_offset_value[3];
 639 } H265RawSEITimeCode;
 640
 641 typedef struct H265RawSEIAlphaChannelInfo {
 642     uint8_t  alpha_channel_cancel_flag;
 643     uint8_t  alpha_channel_use_idc;
 644     uint8_t  alpha_channel_bit_depth_minus8;
 645     uint16_t alpha_transparent_value;
 646     uint16_t alpha_opaque_value;
 647     uint8_t  alpha_channel_incr_flag;
 648     uint8_t  alpha_channel_clip_flag;
 649     uint8_t  alpha_channel_clip_type_flag;
 650 } H265RawSEIAlphaChannelInfo;
 651
 652 typedef struct H265RawSEI {
 653     H265RawNALUnitHeader nal_unit_header;
 654     SEIRawMessageList    message_list;
 655 } H265RawSEI;
 656
 657 typedef struct CodedBitstreamH265Context {
 658     // Reader/writer context in common with the H.264 implementation.
 659     CodedBitstreamH2645Context common;
 660
 661     // All currently available parameter sets.  These are updated when
 662     // any parameter set NAL unit is read/written with this context.
 663     AVBufferRef *vps_ref[HEVC_MAX_VPS_COUNT];
 664     AVBufferRef *sps_ref[HEVC_MAX_SPS_COUNT];
 665     AVBufferRef *pps_ref[HEVC_MAX_PPS_COUNT];
 666     H265RawVPS *vps[HEVC_MAX_VPS_COUNT];
 667     H265RawSPS *sps[HEVC_MAX_SPS_COUNT];
 668     H265RawPPS *pps[HEVC_MAX_PPS_COUNT];
 669
 670     // The currently active parameter sets.  These are updated when any
 671     // NAL unit refers to the relevant parameter set.  These pointers
 672     // must also be present in the arrays above.
 673     const H265RawVPS *active_vps;
 674     const H265RawSPS *active_sps;
 675     const H265RawPPS *active_pps;
 676 } CodedBitstreamH265Context;
 677
 678
 679 #endif /* AVCODEC_CBS_H265_H */