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FFmpeg/libavcodec/cbs_h265.h

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  1. /*

  2.  * This file is part of Libav.

  3.  *

  4.  * Libav 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.  * Libav 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 Libav; 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. } H265RawPSExtensionData;

  158. 

  159. typedef struct H265RawVPS {

  160.     H265RawNALUnitHeader nal_unit_header;

  161. 

  162.     uint8_t vps_video_parameter_set_id;

  163. 

  164.     uint8_t vps_base_layer_internal_flag;

  165.     uint8_t vps_base_layer_available_flag;

  166.     uint8_t vps_max_layers_minus1;

  167.     uint8_t vps_max_sub_layers_minus1;

  168.     uint8_t vps_temporal_id_nesting_flag;

  169. 

  170.     H265RawProfileTierLevel profile_tier_level;

  171. 

  172.     uint8_t vps_sub_layer_ordering_info_present_flag;

  173.     uint8_t vps_max_dec_pic_buffering_minus1[HEVC_MAX_SUB_LAYERS];

  174.     uint8_t vps_max_num_reorder_pics[HEVC_MAX_SUB_LAYERS];

  175.     uint32_t vps_max_latency_increase_plus1[HEVC_MAX_SUB_LAYERS];

  176. 

  177.     uint8_t vps_max_layer_id;

  178.     uint16_t vps_num_layer_sets_minus1;

  179.     uint8_t layer_id_included_flag[HEVC_MAX_LAYER_SETS][HEVC_MAX_LAYERS];

  180. 

  181.     uint8_t vps_timing_info_present_flag;

  182.     uint32_t vps_num_units_in_tick;

  183.     uint32_t vps_time_scale;

  184.     uint8_t vps_poc_proportional_to_timing_flag;

  185.     uint32_t vps_num_ticks_poc_diff_one_minus1;

  186.     uint16_t vps_num_hrd_parameters;

  187.     uint16_t hrd_layer_set_idx[HEVC_MAX_LAYER_SETS];

  188.     uint8_t cprms_present_flag[HEVC_MAX_LAYER_SETS];

  189.     H265RawHRDParameters hrd_parameters[HEVC_MAX_LAYER_SETS];

  190. 

  191.     uint8_t vps_extension_flag;

  192.     H265RawPSExtensionData extension_data;

  193. } H265RawVPS;

  194. 

  195. typedef struct H265RawSTRefPicSet {

  196.     uint8_t inter_ref_pic_set_prediction_flag;

  197. 

  198.     uint8_t delta_idx_minus1;

  199.     uint8_t delta_rps_sign;

  200.     uint16_t abs_delta_rps_minus1;

  201. 

  202.     uint8_t used_by_curr_pic_flag[HEVC_MAX_REFS];

  203.     uint8_t use_delta_flag[HEVC_MAX_REFS];

  204. 

  205.     uint8_t num_negative_pics;

  206.     uint8_t num_positive_pics;

  207.     uint16_t delta_poc_s0_minus1[HEVC_MAX_REFS];

  208.     uint8_t used_by_curr_pic_s0_flag[HEVC_MAX_REFS];

  209.     uint16_t delta_poc_s1_minus1[HEVC_MAX_REFS];

  210.     uint8_t used_by_curr_pic_s1_flag[HEVC_MAX_REFS];

  211. } H265RawSTRefPicSet;

  212. 

  213. typedef struct H265RawScalingList {

  214.     uint8_t scaling_list_pred_mode_flag[4][6];

  215.     uint8_t scaling_list_pred_matrix_id_delta[4][6];

  216.     int16_t scaling_list_dc_coef_minus8[4][6];

  217.     int8_t scaling_list_delta_coeff[4][6][64];

  218. } H265RawScalingList;

  219. 

  220. typedef struct H265RawSPS {

  221.     H265RawNALUnitHeader nal_unit_header;

  222. 

  223.     uint8_t sps_video_parameter_set_id;

  224. 

  225.     uint8_t sps_max_sub_layers_minus1;

  226.     uint8_t sps_temporal_id_nesting_flag;

  227. 

  228.     H265RawProfileTierLevel profile_tier_level;

  229. 

  230.     uint8_t sps_seq_parameter_set_id;

  231. 

  232.     uint8_t chroma_format_idc;

  233.     uint8_t separate_colour_plane_flag;

  234. 

  235.     uint16_t pic_width_in_luma_samples;

  236.     uint16_t pic_height_in_luma_samples;

  237. 

  238.     uint8_t conformance_window_flag;

  239.     uint16_t conf_win_left_offset;

  240.     uint16_t conf_win_right_offset;

  241.     uint16_t conf_win_top_offset;

  242.     uint16_t conf_win_bottom_offset;

  243. 

  244.     uint8_t bit_depth_luma_minus8;

  245.     uint8_t bit_depth_chroma_minus8;

  246. 

  247.     uint8_t log2_max_pic_order_cnt_lsb_minus4;

  248. 

  249.     uint8_t sps_sub_layer_ordering_info_present_flag;

  250.     uint8_t sps_max_dec_pic_buffering_minus1[HEVC_MAX_SUB_LAYERS];

  251.     uint8_t sps_max_num_reorder_pics[HEVC_MAX_SUB_LAYERS];

  252.     uint32_t sps_max_latency_increase_plus1[HEVC_MAX_SUB_LAYERS];

  253. 

  254.     uint8_t log2_min_luma_coding_block_size_minus3;

  255.     uint8_t log2_diff_max_min_luma_coding_block_size;

  256.     uint8_t log2_min_luma_transform_block_size_minus2;

  257.     uint8_t log2_diff_max_min_luma_transform_block_size;

  258.     uint8_t max_transform_hierarchy_depth_inter;

  259.     uint8_t max_transform_hierarchy_depth_intra;

  260. 

  261.     uint8_t scaling_list_enabled_flag;

  262.     uint8_t sps_scaling_list_data_present_flag;

  263.     H265RawScalingList scaling_list;

  264. 

  265.     uint8_t amp_enabled_flag;

  266.     uint8_t sample_adaptive_offset_enabled_flag;

  267. 

  268.     uint8_t pcm_enabled_flag;

  269.     uint8_t pcm_sample_bit_depth_luma_minus1;

  270.     uint8_t pcm_sample_bit_depth_chroma_minus1;

  271.     uint8_t log2_min_pcm_luma_coding_block_size_minus3;

  272.     uint8_t log2_diff_max_min_pcm_luma_coding_block_size;

  273.     uint8_t pcm_loop_filter_disabled_flag;

  274. 

  275.     uint8_t num_short_term_ref_pic_sets;

  276.     H265RawSTRefPicSet st_ref_pic_set[HEVC_MAX_SHORT_TERM_REF_PIC_SETS];

  277. 

  278.     uint8_t long_term_ref_pics_present_flag;

  279.     uint8_t num_long_term_ref_pics_sps;

  280.     uint16_t lt_ref_pic_poc_lsb_sps[HEVC_MAX_LONG_TERM_REF_PICS];

  281.     uint8_t used_by_curr_pic_lt_sps_flag[HEVC_MAX_LONG_TERM_REF_PICS];

  282. 

  283.     uint8_t sps_temporal_mvp_enabled_flag;

  284.     uint8_t strong_intra_smoothing_enabled_flag;

  285. 

  286.     uint8_t vui_parameters_present_flag;

  287.     H265RawVUI vui;

  288. 

  289.     uint8_t sps_extension_present_flag;

  290.     uint8_t sps_range_extension_flag;

  291.     uint8_t sps_multilayer_extension_flag;

  292.     uint8_t sps_3d_extension_flag;

  293.     uint8_t sps_scc_extension_flag;

  294.     uint8_t sps_extension_4bits;

  295. 

  296.     H265RawPSExtensionData extension_data;

  297. 

  298.     // Range extension.

  299.     uint8_t transform_skip_rotation_enabled_flag;

  300.     uint8_t transform_skip_context_enabled_flag;

  301.     uint8_t implicit_rdpcm_enabled_flag;

  302.     uint8_t explicit_rdpcm_enabled_flag;

  303.     uint8_t extended_precision_processing_flag;

  304.     uint8_t intra_smoothing_disabled_flag;

  305.     uint8_t high_precision_offsets_enabled_flag;

  306.     uint8_t persistent_rice_adaptation_enabled_flag;

  307.     uint8_t cabac_bypass_alignment_enabled_flag;

  308. 

  309.     // Screen content coding extension.

  310.     uint8_t sps_curr_pic_ref_enabled_flag;

  311.     uint8_t palette_mode_enabled_flag;

  312.     uint8_t palette_max_size;

  313.     uint8_t delta_palette_max_predictor_size;

  314.     uint8_t sps_palette_predictor_initializer_present_flag;

  315.     uint8_t sps_num_palette_predictor_initializer_minus1;

  316.     uint16_t sps_palette_predictor_initializers[3][128];

  317. 

  318.     uint8_t motion_vector_resolution_control_idc;

  319.     uint8_t intra_boundary_filtering_disable_flag;

  320. } H265RawSPS;

  321. 

  322. typedef struct H265RawPPS {

  323.     H265RawNALUnitHeader nal_unit_header;

  324. 

  325.     uint8_t pps_pic_parameter_set_id;

  326.     uint8_t pps_seq_parameter_set_id;

  327. 

  328.     uint8_t dependent_slice_segments_enabled_flag;

  329.     uint8_t output_flag_present_flag;

  330.     uint8_t num_extra_slice_header_bits;

  331.     uint8_t sign_data_hiding_enabled_flag;

  332.     uint8_t cabac_init_present_flag;

  333. 

  334.     uint8_t num_ref_idx_l0_default_active_minus1;

  335.     uint8_t num_ref_idx_l1_default_active_minus1;

  336. 

  337.     int8_t init_qp_minus26;

  338. 

  339.     uint8_t constrained_intra_pred_flag;

  340.     uint8_t transform_skip_enabled_flag;

  341.     uint8_t cu_qp_delta_enabled_flag;

  342.     uint8_t diff_cu_qp_delta_depth;

  343. 

  344.     int8_t pps_cb_qp_offset;

  345.     int8_t pps_cr_qp_offset;

  346.     uint8_t pps_slice_chroma_qp_offsets_present_flag;

  347. 

  348.     uint8_t weighted_pred_flag;

  349.     uint8_t weighted_bipred_flag;

  350. 

  351.     uint8_t transquant_bypass_enabled_flag;

  352.     uint8_t tiles_enabled_flag;

  353.     uint8_t entropy_coding_sync_enabled_flag;

  354. 

  355.     uint8_t num_tile_columns_minus1;

  356.     uint8_t num_tile_rows_minus1;

  357.     uint8_t uniform_spacing_flag;

  358.     uint16_t column_width_minus1[HEVC_MAX_TILE_COLUMNS];

  359.     uint16_t row_height_minus1[HEVC_MAX_TILE_ROWS];

  360.     uint8_t loop_filter_across_tiles_enabled_flag;

  361. 

  362.     uint8_t pps_loop_filter_across_slices_enabled_flag;

  363.     uint8_t deblocking_filter_control_present_flag;

  364.     uint8_t deblocking_filter_override_enabled_flag;

  365.     uint8_t pps_deblocking_filter_disabled_flag;

  366.     int8_t pps_beta_offset_div2;

  367.     int8_t pps_tc_offset_div2;

  368. 

  369.     uint8_t pps_scaling_list_data_present_flag;

  370.     H265RawScalingList scaling_list;

  371. 

  372.     uint8_t lists_modification_present_flag;

  373.     uint8_t log2_parallel_merge_level_minus2;

  374. 

  375.     uint8_t slice_segment_header_extension_present_flag;

  376. 

  377.     uint8_t pps_extension_present_flag;

  378.     uint8_t pps_range_extension_flag;

  379.     uint8_t pps_multilayer_extension_flag;

  380.     uint8_t pps_3d_extension_flag;

  381.     uint8_t pps_scc_extension_flag;

  382.     uint8_t pps_extension_4bits;

  383. 

  384.     H265RawPSExtensionData extension_data;

  385. 

  386.     // Range extension.

  387.     uint8_t log2_max_transform_skip_block_size_minus2;

  388.     uint8_t cross_component_prediction_enabled_flag;

  389.     uint8_t chroma_qp_offset_list_enabled_flag;

  390.     uint8_t diff_cu_chroma_qp_offset_depth;

  391.     uint8_t chroma_qp_offset_list_len_minus1;

  392.     int8_t cb_qp_offset_list[6];

  393.     int8_t cr_qp_offset_list[6];

  394.     uint8_t log2_sao_offset_scale_luma;

  395.     uint8_t log2_sao_offset_scale_chroma;

  396. 

  397.     // Screen content coding extension.

  398.     uint8_t pps_curr_pic_ref_enabled_flag;

  399.     uint8_t residual_adaptive_colour_transform_enabled_flag;

  400.     uint8_t pps_slice_act_qp_offsets_present_flag;

  401.     int8_t pps_act_y_qp_offset_plus5;

  402.     int8_t pps_act_cb_qp_offset_plus5;

  403.     int8_t pps_act_cr_qp_offset_plus3;

  404. 

  405.     uint8_t pps_palette_predictor_initializer_present_flag;

  406.     uint8_t pps_num_palette_predictor_initializer;

  407.     uint8_t monochrome_palette_flag;

  408.     uint8_t luma_bit_depth_entry_minus8;

  409.     uint8_t chroma_bit_depth_entry_minus8;

  410.     uint16_t pps_palette_predictor_initializers[3][128];

  411. } H265RawPPS;

  412. 

  413. typedef struct H265RawAUD {

  414.     H265RawNALUnitHeader nal_unit_header;

  415. 

  416.     uint8_t pic_type;

  417. } H265RawAUD;

  418. 

  419. typedef struct  H265RawSliceHeader {

  420.     H265RawNALUnitHeader nal_unit_header;

  421. 

  422.     uint8_t first_slice_segment_in_pic_flag;

  423.     uint8_t no_output_of_prior_pics_flag;

  424.     uint8_t slice_pic_parameter_set_id;

  425. 

  426.     uint8_t dependent_slice_segment_flag;

  427.     uint16_t slice_segment_address;

  428. 

  429.     uint8_t slice_reserved_flag[8];

  430.     uint8_t slice_type;

  431. 

  432.     uint8_t pic_output_flag;

  433.     uint8_t colour_plane_id;

  434. 

  435.     uint16_t slice_pic_order_cnt_lsb;

  436. 

  437.     uint8_t short_term_ref_pic_set_sps_flag;

  438.     H265RawSTRefPicSet short_term_ref_pic_set;

  439.     uint8_t short_term_ref_pic_set_idx;

  440. 

  441.     uint8_t num_long_term_sps;

  442.     uint8_t num_long_term_pics;

  443.     uint8_t lt_idx_sps[HEVC_MAX_REFS];

  444.     uint8_t poc_lsb_lt[HEVC_MAX_REFS];

  445.     uint8_t used_by_curr_pic_lt_flag[HEVC_MAX_REFS];

  446.     uint8_t delta_poc_msb_present_flag[HEVC_MAX_REFS];

  447.     uint32_t delta_poc_msb_cycle_lt[HEVC_MAX_REFS];

  448. 

  449.     uint8_t slice_temporal_mvp_enabled_flag;

  450. 

  451.     uint8_t slice_sao_luma_flag;

  452.     uint8_t slice_sao_chroma_flag;

  453. 

  454.     uint8_t num_ref_idx_active_override_flag;

  455.     uint8_t num_ref_idx_l0_active_minus1;

  456.     uint8_t num_ref_idx_l1_active_minus1;

  457. 

  458.     uint8_t ref_pic_list_modification_flag_l0;

  459.     uint8_t list_entry_l0[HEVC_MAX_REFS];

  460.     uint8_t ref_pic_list_modification_flag_l1;

  461.     uint8_t list_entry_l1[HEVC_MAX_REFS];

  462. 

  463.     uint8_t mvd_l1_zero_flag;

  464.     uint8_t cabac_init_flag;

  465.     uint8_t collocated_from_l0_flag;

  466.     uint8_t collocated_ref_idx;

  467. 

  468.     uint8_t luma_log2_weight_denom;

  469.     int8_t delta_chroma_log2_weight_denom;

  470.     uint8_t luma_weight_l0_flag[HEVC_MAX_REFS];

  471.     uint8_t chroma_weight_l0_flag[HEVC_MAX_REFS];

  472.     int8_t delta_luma_weight_l0[HEVC_MAX_REFS];

  473.     int16_t luma_offset_l0[HEVC_MAX_REFS];

  474.     int8_t delta_chroma_weight_l0[HEVC_MAX_REFS][2];

  475.     int16_t chroma_offset_l0[HEVC_MAX_REFS][2];

  476.     uint8_t luma_weight_l1_flag[HEVC_MAX_REFS];

  477.     uint8_t chroma_weight_l1_flag[HEVC_MAX_REFS];

  478.     int8_t delta_luma_weight_l1[HEVC_MAX_REFS];

  479.     int16_t luma_offset_l1[HEVC_MAX_REFS];

  480.     int8_t delta_chroma_weight_l1[HEVC_MAX_REFS][2];

  481.     int16_t chroma_offset_l1[HEVC_MAX_REFS][2];

  482. 

  483.     uint8_t five_minus_max_num_merge_cand;

  484.     uint8_t use_integer_mv_flag;

  485. 

  486.     int8_t slice_qp_delta;

  487.     int8_t slice_cb_qp_offset;

  488.     int8_t slice_cr_qp_offset;

  489.     int8_t slice_act_y_qp_offset;

  490.     int8_t slice_act_cb_qp_offset;

  491.     int8_t slice_act_cr_qp_offset;

  492.     uint8_t cu_chroma_qp_offset_enabled_flag;

  493. 

  494.     uint8_t deblocking_filter_override_flag;

  495.     uint8_t slice_deblocking_filter_disabled_flag;

  496.     int8_t slice_beta_offset_div2;

  497.     int8_t slice_tc_offset_div2;

  498.     uint8_t slice_loop_filter_across_slices_enabled_flag;

  499. 

  500.     uint16_t num_entry_point_offsets;

  501.     uint8_t offset_len_minus1;

  502.     uint32_t entry_point_offset_minus1[HEVC_MAX_ENTRY_POINT_OFFSETS];

  503. 

  504.     uint16_t slice_segment_header_extension_length;

  505.     uint8_t slice_segment_header_extension_data_byte[256];

  506. } H265RawSliceHeader;

  507. 

  508. 

  509. typedef struct H265RawSlice {

  510.     H265RawSliceHeader header;

  511. 

  512.     uint8_t *data;

  513.     size_t   data_size;

  514.     int      data_bit_start;

  515. } H265RawSlice;

  516. 

  517. 

  518. typedef struct CodedBitstreamH265Context {

  519.     // Reader/writer context in common with the H.264 implementation.

  520.     CodedBitstreamH2645Context common;

  521. 

  522.     // All currently available parameter sets.  These are updated when

  523.     // any parameter set NAL unit is read/written with this context.

  524.     H265RawVPS *vps[HEVC_MAX_VPS_COUNT];

  525.     H265RawSPS *sps[HEVC_MAX_SPS_COUNT];

  526.     H265RawPPS *pps[HEVC_MAX_PPS_COUNT];

  527. 

  528.     // The currently active parameter sets.  These are updated when any

  529.     // NAL unit refers to the relevant parameter set.  These pointers

  530.     // must also be present in the arrays above.

  531.     const H265RawVPS *active_vps;

  532.     const H265RawSPS *active_sps;

  533.     const H265RawPPS *active_pps;

  534. } CodedBitstreamH265Context;

  535. 

  536. 

  537. #endif /* AVCODEC_CBS_H265_H */