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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
  29 typedef struct H265RawNALUnitHeader {
  30     uint8_t forbidden_zero_bit;
  31     uint8_t nal_unit_type;
  32     uint8_t nuh_layer_id;
  33     uint8_t nuh_temporal_id_plus1;
  34 } H265RawNALUnitHeader;
  35
  36 typedef struct H265RawProfileTierLevel {
  37     uint8_t general_profile_space;
  38     uint8_t general_tier_flag;
  39     uint8_t general_profile_idc;
  40
  41     uint8_t general_profile_compatibility_flag[32];
  42
  43     uint8_t general_progressive_source_flag;
  44     uint8_t general_interlaced_source_flag;
  45     uint8_t general_non_packed_constraint_flag;
  46     uint8_t general_frame_only_constraint_flag;
  47
  48     uint8_t general_max_12bit_constraint_flag;
  49     uint8_t general_max_10bit_constraint_flag;
  50     uint8_t general_max_8bit_constraint_flag;
  51     uint8_t general_max_422chroma_constraint_flag;
  52     uint8_t general_max_420chroma_constraint_flag;
  53     uint8_t general_max_monochrome_constraint_flag;
  54     uint8_t general_intra_constraint_flag;
  55     uint8_t general_one_picture_only_constraint_flag;
  56     uint8_t general_lower_bit_rate_constraint_flag;
  57     uint8_t general_max_14bit_constraint_flag;
  58
  59     uint8_t general_inbld_flag;
  60
  61     uint8_t general_level_idc;
  62
  63     uint8_t sub_layer_profile_present_flag[HEVC_MAX_SUB_LAYERS];
  64     uint8_t sub_layer_level_present_flag[HEVC_MAX_SUB_LAYERS];
  65
  66     // TODO: much of that again for each sub-layer.
  67 } H265RawProfileTierLevel;
  68
  69 typedef struct H265RawSubLayerHRDParameters {
  70     uint32_t bit_rate_value_minus1[HEVC_MAX_CPB_CNT];
  71     uint32_t cpb_size_value_minus1[HEVC_MAX_CPB_CNT];
  72     uint32_t cpb_size_du_value_minus1[HEVC_MAX_CPB_CNT];
  73     uint32_t bit_rate_du_value_minus1[HEVC_MAX_CPB_CNT];
  74     uint8_t cbr_flag[HEVC_MAX_CPB_CNT];
  75 } H265RawSubLayerHRDParameters;
  76
  77 typedef struct H265RawHRDParameters {
  78     uint8_t nal_hrd_parameters_present_flag;
  79     uint8_t vcl_hrd_parameters_present_flag;
  80
  81     uint8_t sub_pic_hrd_params_present_flag;
  82     uint8_t tick_divisor_minus2;
  83     uint8_t du_cpb_removal_delay_increment_length_minus1;
  84     uint8_t sub_pic_cpb_params_in_pic_timing_sei_flag;
  85     uint8_t dpb_output_delay_du_length_minus1;
  86
  87     uint8_t bit_rate_scale;
  88     uint8_t cpb_size_scale;
  89     uint8_t cpb_size_du_scale;
  90
  91     uint8_t initial_cpb_removal_delay_length_minus1;
  92     uint8_t au_cpb_removal_delay_length_minus1;
  93     uint8_t dpb_output_delay_length_minus1;
  94
  95     uint8_t fixed_pic_rate_general_flag[HEVC_MAX_SUB_LAYERS];
  96     uint8_t fixed_pic_rate_within_cvs_flag[HEVC_MAX_SUB_LAYERS];
  97     uint16_t elemental_duration_in_tc_minus1[HEVC_MAX_SUB_LAYERS];
  98     uint8_t low_delay_hrd_flag[HEVC_MAX_SUB_LAYERS];
  99     uint8_t cpb_cnt_minus1[HEVC_MAX_SUB_LAYERS];
 100     H265RawSubLayerHRDParameters nal_sub_layer_hrd_parameters[HEVC_MAX_SUB_LAYERS];
 101     H265RawSubLayerHRDParameters vcl_sub_layer_hrd_parameters[HEVC_MAX_SUB_LAYERS];
 102 } H265RawHRDParameters;
 103
 104 typedef struct H265RawVUI {
 105     uint8_t aspect_ratio_info_present_flag;
 106     uint8_t aspect_ratio_idc;
 107     uint16_t sar_width;
 108     uint16_t sar_height;
 109
 110     uint8_t overscan_info_present_flag;
 111     uint8_t overscan_appropriate_flag;
 112
 113     uint8_t video_signal_type_present_flag;
 114     uint8_t video_format;
 115     uint8_t video_full_range_flag;
 116     uint8_t colour_description_present_flag;
 117     uint8_t colour_primaries;
 118     uint8_t transfer_characteristics;
 119     uint8_t matrix_coefficients;
 120
 121     uint8_t chroma_loc_info_present_flag;
 122     uint8_t chroma_sample_loc_type_top_field;
 123     uint8_t chroma_sample_loc_type_bottom_field;
 124
 125     uint8_t neutral_chroma_indication_flag;
 126     uint8_t field_seq_flag;
 127     uint8_t frame_field_info_present_flag;
 128
 129     uint8_t default_display_window_flag;
 130     uint16_t def_disp_win_left_offset;
 131     uint16_t def_disp_win_right_offset;
 132     uint16_t def_disp_win_top_offset;
 133     uint16_t def_disp_win_bottom_offset;
 134
 135     uint8_t vui_timing_info_present_flag;
 136     uint32_t vui_num_units_in_tick;
 137     uint32_t vui_time_scale;
 138     uint8_t vui_poc_proportional_to_timing_flag;
 139     uint32_t vui_num_ticks_poc_diff_one_minus1;
 140     uint8_t vui_hrd_parameters_present_flag;
 141     H265RawHRDParameters hrd_parameters;
 142
 143     uint8_t bitstream_restriction_flag;
 144     uint8_t tiles_fixed_structure_flag;
 145     uint8_t motion_vectors_over_pic_boundaries_flag;
 146     uint8_t restricted_ref_pic_lists_flag;
 147     uint16_t min_spatial_segmentation_idc;
 148     uint8_t max_bytes_per_pic_denom;
 149     uint8_t max_bits_per_min_cu_denom;
 150     uint8_t log2_max_mv_length_horizontal;
 151     uint8_t log2_max_mv_length_vertical;
 152 } H265RawVUI;
 153
 154 typedef struct H265RawPSExtensionData {
 155     uint8_t *data;
 156     size_t bit_length;
 157     AVBufferRef *data_ref;
 158 } H265RawPSExtensionData;
 159
 160 typedef struct H265RawVPS {
 161     H265RawNALUnitHeader nal_unit_header;
 162
 163     uint8_t vps_video_parameter_set_id;
 164
 165     uint8_t vps_base_layer_internal_flag;
 166     uint8_t vps_base_layer_available_flag;
 167     uint8_t vps_max_layers_minus1;
 168     uint8_t vps_max_sub_layers_minus1;
 169     uint8_t vps_temporal_id_nesting_flag;
 170
 171     H265RawProfileTierLevel profile_tier_level;
 172
 173     uint8_t vps_sub_layer_ordering_info_present_flag;
 174     uint8_t vps_max_dec_pic_buffering_minus1[HEVC_MAX_SUB_LAYERS];
 175     uint8_t vps_max_num_reorder_pics[HEVC_MAX_SUB_LAYERS];
 176     uint32_t vps_max_latency_increase_plus1[HEVC_MAX_SUB_LAYERS];
 177
 178     uint8_t vps_max_layer_id;
 179     uint16_t vps_num_layer_sets_minus1;
 180     uint8_t layer_id_included_flag[HEVC_MAX_LAYER_SETS][HEVC_MAX_LAYERS];
 181
 182     uint8_t vps_timing_info_present_flag;
 183     uint32_t vps_num_units_in_tick;
 184     uint32_t vps_time_scale;
 185     uint8_t vps_poc_proportional_to_timing_flag;
 186     uint32_t vps_num_ticks_poc_diff_one_minus1;
 187     uint16_t vps_num_hrd_parameters;
 188     uint16_t hrd_layer_set_idx[HEVC_MAX_LAYER_SETS];
 189     uint8_t cprms_present_flag[HEVC_MAX_LAYER_SETS];
 190     H265RawHRDParameters hrd_parameters[HEVC_MAX_LAYER_SETS];
 191
 192     uint8_t vps_extension_flag;
 193     H265RawPSExtensionData extension_data;
 194 } H265RawVPS;
 195
 196 typedef struct H265RawSTRefPicSet {
 197     uint8_t inter_ref_pic_set_prediction_flag;
 198
 199     uint8_t delta_idx_minus1;
 200     uint8_t delta_rps_sign;
 201     uint16_t abs_delta_rps_minus1;
 202
 203     uint8_t used_by_curr_pic_flag[HEVC_MAX_REFS];
 204     uint8_t use_delta_flag[HEVC_MAX_REFS];
 205
 206     uint8_t num_negative_pics;
 207     uint8_t num_positive_pics;
 208     uint16_t delta_poc_s0_minus1[HEVC_MAX_REFS];
 209     uint8_t used_by_curr_pic_s0_flag[HEVC_MAX_REFS];
 210     uint16_t delta_poc_s1_minus1[HEVC_MAX_REFS];
 211     uint8_t used_by_curr_pic_s1_flag[HEVC_MAX_REFS];
 212 } H265RawSTRefPicSet;
 213
 214 typedef struct H265RawScalingList {
 215     uint8_t scaling_list_pred_mode_flag[4][6];
 216     uint8_t scaling_list_pred_matrix_id_delta[4][6];
 217     int16_t scaling_list_dc_coef_minus8[4][6];
 218     int8_t scaling_list_delta_coeff[4][6][64];
 219 } H265RawScalingList;
 220
 221 typedef struct H265RawSPS {
 222     H265RawNALUnitHeader nal_unit_header;
 223
 224     uint8_t sps_video_parameter_set_id;
 225
 226     uint8_t sps_max_sub_layers_minus1;
 227     uint8_t sps_temporal_id_nesting_flag;
 228
 229     H265RawProfileTierLevel profile_tier_level;
 230
 231     uint8_t sps_seq_parameter_set_id;
 232
 233     uint8_t chroma_format_idc;
 234     uint8_t separate_colour_plane_flag;
 235
 236     uint16_t pic_width_in_luma_samples;
 237     uint16_t pic_height_in_luma_samples;
 238
 239     uint8_t conformance_window_flag;
 240     uint16_t conf_win_left_offset;
 241     uint16_t conf_win_right_offset;
 242     uint16_t conf_win_top_offset;
 243     uint16_t conf_win_bottom_offset;
 244
 245     uint8_t bit_depth_luma_minus8;
 246     uint8_t bit_depth_chroma_minus8;
 247
 248     uint8_t log2_max_pic_order_cnt_lsb_minus4;
 249
 250     uint8_t sps_sub_layer_ordering_info_present_flag;
 251     uint8_t sps_max_dec_pic_buffering_minus1[HEVC_MAX_SUB_LAYERS];
 252     uint8_t sps_max_num_reorder_pics[HEVC_MAX_SUB_LAYERS];
 253     uint32_t sps_max_latency_increase_plus1[HEVC_MAX_SUB_LAYERS];
 254
 255     uint8_t log2_min_luma_coding_block_size_minus3;
 256     uint8_t log2_diff_max_min_luma_coding_block_size;
 257     uint8_t log2_min_luma_transform_block_size_minus2;
 258     uint8_t log2_diff_max_min_luma_transform_block_size;
 259     uint8_t max_transform_hierarchy_depth_inter;
 260     uint8_t max_transform_hierarchy_depth_intra;
 261
 262     uint8_t scaling_list_enabled_flag;
 263     uint8_t sps_scaling_list_data_present_flag;
 264     H265RawScalingList scaling_list;
 265
 266     uint8_t amp_enabled_flag;
 267     uint8_t sample_adaptive_offset_enabled_flag;
 268
 269     uint8_t pcm_enabled_flag;
 270     uint8_t pcm_sample_bit_depth_luma_minus1;
 271     uint8_t pcm_sample_bit_depth_chroma_minus1;
 272     uint8_t log2_min_pcm_luma_coding_block_size_minus3;
 273     uint8_t log2_diff_max_min_pcm_luma_coding_block_size;
 274     uint8_t pcm_loop_filter_disabled_flag;
 275
 276     uint8_t num_short_term_ref_pic_sets;
 277     H265RawSTRefPicSet st_ref_pic_set[HEVC_MAX_SHORT_TERM_REF_PIC_SETS];
 278
 279     uint8_t long_term_ref_pics_present_flag;
 280     uint8_t num_long_term_ref_pics_sps;
 281     uint16_t lt_ref_pic_poc_lsb_sps[HEVC_MAX_LONG_TERM_REF_PICS];
 282     uint8_t used_by_curr_pic_lt_sps_flag[HEVC_MAX_LONG_TERM_REF_PICS];
 283
 284     uint8_t sps_temporal_mvp_enabled_flag;
 285     uint8_t strong_intra_smoothing_enabled_flag;
 286
 287     uint8_t vui_parameters_present_flag;
 288     H265RawVUI vui;
 289
 290     uint8_t sps_extension_present_flag;
 291     uint8_t sps_range_extension_flag;
 292     uint8_t sps_multilayer_extension_flag;
 293     uint8_t sps_3d_extension_flag;
 294     uint8_t sps_scc_extension_flag;
 295     uint8_t sps_extension_4bits;
 296
 297     H265RawPSExtensionData extension_data;
 298
 299     // Range extension.
 300     uint8_t transform_skip_rotation_enabled_flag;
 301     uint8_t transform_skip_context_enabled_flag;
 302     uint8_t implicit_rdpcm_enabled_flag;
 303     uint8_t explicit_rdpcm_enabled_flag;
 304     uint8_t extended_precision_processing_flag;
 305     uint8_t intra_smoothing_disabled_flag;
 306     uint8_t high_precision_offsets_enabled_flag;
 307     uint8_t persistent_rice_adaptation_enabled_flag;
 308     uint8_t cabac_bypass_alignment_enabled_flag;
 309
 310     // Screen content coding extension.
 311     uint8_t sps_curr_pic_ref_enabled_flag;
 312     uint8_t palette_mode_enabled_flag;
 313     uint8_t palette_max_size;
 314     uint8_t delta_palette_max_predictor_size;
 315     uint8_t sps_palette_predictor_initializer_present_flag;
 316     uint8_t sps_num_palette_predictor_initializer_minus1;
 317     uint16_t sps_palette_predictor_initializers[3][128];
 318
 319     uint8_t motion_vector_resolution_control_idc;
 320     uint8_t intra_boundary_filtering_disable_flag;
 321 } H265RawSPS;
 322
 323 typedef struct H265RawPPS {
 324     H265RawNALUnitHeader nal_unit_header;
 325
 326     uint8_t pps_pic_parameter_set_id;
 327     uint8_t pps_seq_parameter_set_id;
 328
 329     uint8_t dependent_slice_segments_enabled_flag;
 330     uint8_t output_flag_present_flag;
 331     uint8_t num_extra_slice_header_bits;
 332     uint8_t sign_data_hiding_enabled_flag;
 333     uint8_t cabac_init_present_flag;
 334
 335     uint8_t num_ref_idx_l0_default_active_minus1;
 336     uint8_t num_ref_idx_l1_default_active_minus1;
 337
 338     int8_t init_qp_minus26;
 339
 340     uint8_t constrained_intra_pred_flag;
 341     uint8_t transform_skip_enabled_flag;
 342     uint8_t cu_qp_delta_enabled_flag;
 343     uint8_t diff_cu_qp_delta_depth;
 344
 345     int8_t pps_cb_qp_offset;
 346     int8_t pps_cr_qp_offset;
 347     uint8_t pps_slice_chroma_qp_offsets_present_flag;
 348
 349     uint8_t weighted_pred_flag;
 350     uint8_t weighted_bipred_flag;
 351
 352     uint8_t transquant_bypass_enabled_flag;
 353     uint8_t tiles_enabled_flag;
 354     uint8_t entropy_coding_sync_enabled_flag;
 355
 356     uint8_t num_tile_columns_minus1;
 357     uint8_t num_tile_rows_minus1;
 358     uint8_t uniform_spacing_flag;
 359     uint16_t column_width_minus1[HEVC_MAX_TILE_COLUMNS];
 360     uint16_t row_height_minus1[HEVC_MAX_TILE_ROWS];
 361     uint8_t loop_filter_across_tiles_enabled_flag;
 362
 363     uint8_t pps_loop_filter_across_slices_enabled_flag;
 364     uint8_t deblocking_filter_control_present_flag;
 365     uint8_t deblocking_filter_override_enabled_flag;
 366     uint8_t pps_deblocking_filter_disabled_flag;
 367     int8_t pps_beta_offset_div2;
 368     int8_t pps_tc_offset_div2;
 369
 370     uint8_t pps_scaling_list_data_present_flag;
 371     H265RawScalingList scaling_list;
 372
 373     uint8_t lists_modification_present_flag;
 374     uint8_t log2_parallel_merge_level_minus2;
 375
 376     uint8_t slice_segment_header_extension_present_flag;
 377
 378     uint8_t pps_extension_present_flag;
 379     uint8_t pps_range_extension_flag;
 380     uint8_t pps_multilayer_extension_flag;
 381     uint8_t pps_3d_extension_flag;
 382     uint8_t pps_scc_extension_flag;
 383     uint8_t pps_extension_4bits;
 384
 385     H265RawPSExtensionData extension_data;
 386
 387     // Range extension.
 388     uint8_t log2_max_transform_skip_block_size_minus2;
 389     uint8_t cross_component_prediction_enabled_flag;
 390     uint8_t chroma_qp_offset_list_enabled_flag;
 391     uint8_t diff_cu_chroma_qp_offset_depth;
 392     uint8_t chroma_qp_offset_list_len_minus1;
 393     int8_t cb_qp_offset_list[6];
 394     int8_t cr_qp_offset_list[6];
 395     uint8_t log2_sao_offset_scale_luma;
 396     uint8_t log2_sao_offset_scale_chroma;
 397
 398     // Screen content coding extension.
 399     uint8_t pps_curr_pic_ref_enabled_flag;
 400     uint8_t residual_adaptive_colour_transform_enabled_flag;
 401     uint8_t pps_slice_act_qp_offsets_present_flag;
 402     int8_t pps_act_y_qp_offset_plus5;
 403     int8_t pps_act_cb_qp_offset_plus5;
 404     int8_t pps_act_cr_qp_offset_plus3;
 405
 406     uint8_t pps_palette_predictor_initializer_present_flag;
 407     uint8_t pps_num_palette_predictor_initializer;
 408     uint8_t monochrome_palette_flag;
 409     uint8_t luma_bit_depth_entry_minus8;
 410     uint8_t chroma_bit_depth_entry_minus8;
 411     uint16_t pps_palette_predictor_initializers[3][128];
 412 } H265RawPPS;
 413
 414 typedef struct H265RawAUD {
 415     H265RawNALUnitHeader nal_unit_header;
 416
 417     uint8_t pic_type;
 418 } H265RawAUD;
 419
 420 typedef struct  H265RawSliceHeader {
 421     H265RawNALUnitHeader nal_unit_header;
 422
 423     uint8_t first_slice_segment_in_pic_flag;
 424     uint8_t no_output_of_prior_pics_flag;
 425     uint8_t slice_pic_parameter_set_id;
 426
 427     uint8_t dependent_slice_segment_flag;
 428     uint16_t slice_segment_address;
 429
 430     uint8_t slice_reserved_flag[8];
 431     uint8_t slice_type;
 432
 433     uint8_t pic_output_flag;
 434     uint8_t colour_plane_id;
 435
 436     uint16_t slice_pic_order_cnt_lsb;
 437
 438     uint8_t short_term_ref_pic_set_sps_flag;
 439     H265RawSTRefPicSet short_term_ref_pic_set;
 440     uint8_t short_term_ref_pic_set_idx;
 441
 442     uint8_t num_long_term_sps;
 443     uint8_t num_long_term_pics;
 444     uint8_t lt_idx_sps[HEVC_MAX_REFS];
 445     uint8_t poc_lsb_lt[HEVC_MAX_REFS];
 446     uint8_t used_by_curr_pic_lt_flag[HEVC_MAX_REFS];
 447     uint8_t delta_poc_msb_present_flag[HEVC_MAX_REFS];
 448     uint32_t delta_poc_msb_cycle_lt[HEVC_MAX_REFS];
 449
 450     uint8_t slice_temporal_mvp_enabled_flag;
 451
 452     uint8_t slice_sao_luma_flag;
 453     uint8_t slice_sao_chroma_flag;
 454
 455     uint8_t num_ref_idx_active_override_flag;
 456     uint8_t num_ref_idx_l0_active_minus1;
 457     uint8_t num_ref_idx_l1_active_minus1;
 458
 459     uint8_t ref_pic_list_modification_flag_l0;
 460     uint8_t list_entry_l0[HEVC_MAX_REFS];
 461     uint8_t ref_pic_list_modification_flag_l1;
 462     uint8_t list_entry_l1[HEVC_MAX_REFS];
 463
 464     uint8_t mvd_l1_zero_flag;
 465     uint8_t cabac_init_flag;
 466     uint8_t collocated_from_l0_flag;
 467     uint8_t collocated_ref_idx;
 468
 469     uint8_t luma_log2_weight_denom;
 470     int8_t delta_chroma_log2_weight_denom;
 471     uint8_t luma_weight_l0_flag[HEVC_MAX_REFS];
 472     uint8_t chroma_weight_l0_flag[HEVC_MAX_REFS];
 473     int8_t delta_luma_weight_l0[HEVC_MAX_REFS];
 474     int16_t luma_offset_l0[HEVC_MAX_REFS];
 475     int8_t delta_chroma_weight_l0[HEVC_MAX_REFS][2];
 476     int16_t chroma_offset_l0[HEVC_MAX_REFS][2];
 477     uint8_t luma_weight_l1_flag[HEVC_MAX_REFS];
 478     uint8_t chroma_weight_l1_flag[HEVC_MAX_REFS];
 479     int8_t delta_luma_weight_l1[HEVC_MAX_REFS];
 480     int16_t luma_offset_l1[HEVC_MAX_REFS];
 481     int8_t delta_chroma_weight_l1[HEVC_MAX_REFS][2];
 482     int16_t chroma_offset_l1[HEVC_MAX_REFS][2];
 483
 484     uint8_t five_minus_max_num_merge_cand;
 485     uint8_t use_integer_mv_flag;
 486
 487     int8_t slice_qp_delta;
 488     int8_t slice_cb_qp_offset;
 489     int8_t slice_cr_qp_offset;
 490     int8_t slice_act_y_qp_offset;
 491     int8_t slice_act_cb_qp_offset;
 492     int8_t slice_act_cr_qp_offset;
 493     uint8_t cu_chroma_qp_offset_enabled_flag;
 494
 495     uint8_t deblocking_filter_override_flag;
 496     uint8_t slice_deblocking_filter_disabled_flag;
 497     int8_t slice_beta_offset_div2;
 498     int8_t slice_tc_offset_div2;
 499     uint8_t slice_loop_filter_across_slices_enabled_flag;
 500
 501     uint16_t num_entry_point_offsets;
 502     uint8_t offset_len_minus1;
 503     uint32_t entry_point_offset_minus1[HEVC_MAX_ENTRY_POINT_OFFSETS];
 504
 505     uint16_t slice_segment_header_extension_length;
 506     uint8_t slice_segment_header_extension_data_byte[256];
 507 } H265RawSliceHeader;
 508
 509
 510 typedef struct H265RawSlice {
 511     H265RawSliceHeader header;
 512
 513     uint8_t *data;
 514     size_t   data_size;
 515     int      data_bit_start;
 516     AVBufferRef *data_ref;
 517 } H265RawSlice;
 518
 519
 520 typedef struct CodedBitstreamH265Context {
 521     // Reader/writer context in common with the H.264 implementation.
 522     CodedBitstreamH2645Context common;
 523
 524     // All currently available parameter sets.  These are updated when
 525     // any parameter set NAL unit is read/written with this context.
 526     H265RawVPS *vps[HEVC_MAX_VPS_COUNT];
 527     H265RawSPS *sps[HEVC_MAX_SPS_COUNT];
 528     H265RawPPS *pps[HEVC_MAX_PPS_COUNT];
 529
 530     // The currently active parameter sets.  These are updated when any
 531     // NAL unit refers to the relevant parameter set.  These pointers
 532     // must also be present in the arrays above.
 533     const H265RawVPS *active_vps;
 534     const H265RawSPS *active_sps;
 535     const H265RawPPS *active_pps;
 536 } CodedBitstreamH265Context;
 537
 538
 539 #endif /* AVCODEC_CBS_H265_H */