484 lines
14 KiB
C
484 lines
14 KiB
C
/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_CBS_AV1_H
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#define AVCODEC_CBS_AV1_H
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#include <stddef.h>
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#include <stdint.h>
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#include "av1.h"
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#include "cbs.h"
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typedef struct AV1RawOBUHeader {
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uint8_t obu_forbidden_bit;
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uint8_t obu_type;
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uint8_t obu_extension_flag;
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uint8_t obu_has_size_field;
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uint8_t obu_reserved_1bit;
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uint8_t temporal_id;
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uint8_t spatial_id;
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uint8_t extension_header_reserved_3bits;
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} AV1RawOBUHeader;
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typedef struct AV1RawColorConfig {
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uint8_t high_bitdepth;
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uint8_t twelve_bit;
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uint8_t mono_chrome;
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uint8_t color_description_present_flag;
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uint8_t color_primaries;
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uint8_t transfer_characteristics;
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uint8_t matrix_coefficients;
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uint8_t color_range;
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uint8_t subsampling_x;
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uint8_t subsampling_y;
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uint8_t chroma_sample_position;
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uint8_t separate_uv_delta_q;
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} AV1RawColorConfig;
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typedef struct AV1RawTimingInfo {
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uint32_t num_units_in_display_tick;
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uint32_t time_scale;
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uint8_t equal_picture_interval;
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uint32_t num_ticks_per_picture_minus_1;
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} AV1RawTimingInfo;
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typedef struct AV1RawDecoderModelInfo {
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uint8_t buffer_delay_length_minus_1;
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uint32_t num_units_in_decoding_tick;
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uint8_t buffer_removal_time_length_minus_1;
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uint8_t frame_presentation_time_length_minus_1;
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} AV1RawDecoderModelInfo;
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typedef struct AV1RawSequenceHeader {
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uint8_t seq_profile;
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uint8_t still_picture;
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uint8_t reduced_still_picture_header;
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uint8_t timing_info_present_flag;
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uint8_t decoder_model_info_present_flag;
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uint8_t initial_display_delay_present_flag;
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uint8_t operating_points_cnt_minus_1;
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AV1RawTimingInfo timing_info;
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AV1RawDecoderModelInfo decoder_model_info;
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uint16_t operating_point_idc[AV1_MAX_OPERATING_POINTS];
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uint8_t seq_level_idx[AV1_MAX_OPERATING_POINTS];
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uint8_t seq_tier[AV1_MAX_OPERATING_POINTS];
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uint8_t decoder_model_present_for_this_op[AV1_MAX_OPERATING_POINTS];
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uint32_t decoder_buffer_delay[AV1_MAX_OPERATING_POINTS];
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uint32_t encoder_buffer_delay[AV1_MAX_OPERATING_POINTS];
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uint8_t low_delay_mode_flag[AV1_MAX_OPERATING_POINTS];
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uint8_t initial_display_delay_present_for_this_op[AV1_MAX_OPERATING_POINTS];
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uint8_t initial_display_delay_minus_1[AV1_MAX_OPERATING_POINTS];
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uint8_t frame_width_bits_minus_1;
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uint8_t frame_height_bits_minus_1;
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uint16_t max_frame_width_minus_1;
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uint16_t max_frame_height_minus_1;
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uint8_t frame_id_numbers_present_flag;
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uint8_t delta_frame_id_length_minus_2;
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uint8_t additional_frame_id_length_minus_1;
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uint8_t use_128x128_superblock;
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uint8_t enable_filter_intra;
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uint8_t enable_intra_edge_filter;
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uint8_t enable_interintra_compound;
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uint8_t enable_masked_compound;
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uint8_t enable_warped_motion;
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uint8_t enable_dual_filter;
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uint8_t enable_order_hint;
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uint8_t enable_jnt_comp;
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uint8_t enable_ref_frame_mvs;
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uint8_t seq_choose_screen_content_tools;
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uint8_t seq_force_screen_content_tools;
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uint8_t seq_choose_integer_mv;
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uint8_t seq_force_integer_mv;
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uint8_t order_hint_bits_minus_1;
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uint8_t enable_superres;
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uint8_t enable_cdef;
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uint8_t enable_restoration;
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AV1RawColorConfig color_config;
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uint8_t film_grain_params_present;
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} AV1RawSequenceHeader;
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typedef struct AV1RawFilmGrainParams {
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uint8_t apply_grain;
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uint16_t grain_seed;
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uint8_t update_grain;
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uint8_t film_grain_params_ref_idx;
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uint8_t num_y_points;
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uint8_t point_y_value[14];
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uint8_t point_y_scaling[14];
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uint8_t chroma_scaling_from_luma;
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uint8_t num_cb_points;
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uint8_t point_cb_value[10];
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uint8_t point_cb_scaling[10];
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uint8_t num_cr_points;
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uint8_t point_cr_value[10];
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uint8_t point_cr_scaling[10];
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uint8_t grain_scaling_minus_8;
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uint8_t ar_coeff_lag;
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uint8_t ar_coeffs_y_plus_128[24];
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uint8_t ar_coeffs_cb_plus_128[25];
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uint8_t ar_coeffs_cr_plus_128[25];
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uint8_t ar_coeff_shift_minus_6;
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uint8_t grain_scale_shift;
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uint8_t cb_mult;
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uint8_t cb_luma_mult;
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uint16_t cb_offset;
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uint8_t cr_mult;
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uint8_t cr_luma_mult;
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uint16_t cr_offset;
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uint8_t overlap_flag;
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uint8_t clip_to_restricted_range;
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} AV1RawFilmGrainParams;
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typedef struct AV1RawFrameHeader {
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uint8_t show_existing_frame;
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uint8_t frame_to_show_map_idx;
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uint32_t frame_presentation_time;
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uint32_t display_frame_id;
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uint8_t frame_type;
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uint8_t show_frame;
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uint8_t showable_frame;
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uint8_t error_resilient_mode;
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uint8_t disable_cdf_update;
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uint8_t allow_screen_content_tools;
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uint8_t force_integer_mv;
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uint32_t current_frame_id;
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uint8_t frame_size_override_flag;
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uint8_t order_hint;
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uint8_t buffer_removal_time_present_flag;
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uint32_t buffer_removal_time[AV1_MAX_OPERATING_POINTS];
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uint8_t primary_ref_frame;
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uint16_t frame_width_minus_1;
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uint16_t frame_height_minus_1;
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uint8_t use_superres;
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uint8_t coded_denom;
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uint8_t render_and_frame_size_different;
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uint16_t render_width_minus_1;
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uint16_t render_height_minus_1;
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uint8_t found_ref[AV1_REFS_PER_FRAME];
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uint8_t refresh_frame_flags;
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uint8_t allow_intrabc;
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uint8_t ref_order_hint[AV1_NUM_REF_FRAMES];
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uint8_t frame_refs_short_signaling;
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uint8_t last_frame_idx;
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uint8_t golden_frame_idx;
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int8_t ref_frame_idx[AV1_REFS_PER_FRAME];
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uint32_t delta_frame_id_minus1[AV1_REFS_PER_FRAME];
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uint8_t allow_high_precision_mv;
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uint8_t is_filter_switchable;
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uint8_t interpolation_filter;
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uint8_t is_motion_mode_switchable;
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uint8_t use_ref_frame_mvs;
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uint8_t disable_frame_end_update_cdf;
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uint8_t uniform_tile_spacing_flag;
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uint8_t tile_cols_log2;
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uint8_t tile_rows_log2;
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uint8_t tile_start_col_sb[AV1_MAX_TILE_COLS];
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uint8_t tile_start_row_sb[AV1_MAX_TILE_COLS];
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uint8_t width_in_sbs_minus_1[AV1_MAX_TILE_COLS];
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uint8_t height_in_sbs_minus_1[AV1_MAX_TILE_ROWS];
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uint16_t context_update_tile_id;
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uint8_t tile_size_bytes_minus1;
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// These are derived values, but it's very unhelpful to have to
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// recalculate them all the time so we store them here.
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uint16_t tile_cols;
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uint16_t tile_rows;
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uint8_t base_q_idx;
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int8_t delta_q_y_dc;
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uint8_t diff_uv_delta;
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int8_t delta_q_u_dc;
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int8_t delta_q_u_ac;
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int8_t delta_q_v_dc;
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int8_t delta_q_v_ac;
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uint8_t using_qmatrix;
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uint8_t qm_y;
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uint8_t qm_u;
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uint8_t qm_v;
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uint8_t segmentation_enabled;
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uint8_t segmentation_update_map;
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uint8_t segmentation_temporal_update;
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uint8_t segmentation_update_data;
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uint8_t feature_enabled[AV1_MAX_SEGMENTS][AV1_SEG_LVL_MAX];
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int16_t feature_value[AV1_MAX_SEGMENTS][AV1_SEG_LVL_MAX];
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uint8_t delta_q_present;
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uint8_t delta_q_res;
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uint8_t delta_lf_present;
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uint8_t delta_lf_res;
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uint8_t delta_lf_multi;
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uint8_t loop_filter_level[4];
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uint8_t loop_filter_sharpness;
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uint8_t loop_filter_delta_enabled;
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uint8_t loop_filter_delta_update;
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uint8_t update_ref_delta[AV1_TOTAL_REFS_PER_FRAME];
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int8_t loop_filter_ref_deltas[AV1_TOTAL_REFS_PER_FRAME];
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uint8_t update_mode_delta[2];
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int8_t loop_filter_mode_deltas[2];
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uint8_t cdef_damping_minus_3;
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uint8_t cdef_bits;
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uint8_t cdef_y_pri_strength[8];
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uint8_t cdef_y_sec_strength[8];
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uint8_t cdef_uv_pri_strength[8];
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uint8_t cdef_uv_sec_strength[8];
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uint8_t lr_type[3];
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uint8_t lr_unit_shift;
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uint8_t lr_uv_shift;
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uint8_t tx_mode;
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uint8_t reference_select;
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uint8_t skip_mode_present;
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uint8_t allow_warped_motion;
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uint8_t reduced_tx_set;
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uint8_t is_global[AV1_TOTAL_REFS_PER_FRAME];
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uint8_t is_rot_zoom[AV1_TOTAL_REFS_PER_FRAME];
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uint8_t is_translation[AV1_TOTAL_REFS_PER_FRAME];
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//AV1RawSubexp gm_params[AV1_TOTAL_REFS_PER_FRAME][6];
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uint32_t gm_params[AV1_TOTAL_REFS_PER_FRAME][6];
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AV1RawFilmGrainParams film_grain;
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} AV1RawFrameHeader;
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typedef struct AV1RawTileData {
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uint8_t *data;
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AVBufferRef *data_ref;
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size_t data_size;
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} AV1RawTileData;
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typedef struct AV1RawTileGroup {
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uint8_t tile_start_and_end_present_flag;
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uint16_t tg_start;
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uint16_t tg_end;
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AV1RawTileData tile_data;
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} AV1RawTileGroup;
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typedef struct AV1RawFrame {
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AV1RawFrameHeader header;
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AV1RawTileGroup tile_group;
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} AV1RawFrame;
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typedef struct AV1RawTileList {
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uint8_t output_frame_width_in_tiles_minus_1;
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uint8_t output_frame_height_in_tiles_minus_1;
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uint16_t tile_count_minus_1;
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AV1RawTileData tile_data;
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} AV1RawTileList;
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typedef struct AV1RawMetadataHDRCLL {
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uint16_t max_cll;
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uint16_t max_fall;
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} AV1RawMetadataHDRCLL;
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typedef struct AV1RawMetadataHDRMDCV {
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uint16_t primary_chromaticity_x[3];
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uint16_t primary_chromaticity_y[3];
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uint16_t white_point_chromaticity_x;
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uint16_t white_point_chromaticity_y;
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uint32_t luminance_max;
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uint32_t luminance_min;
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} AV1RawMetadataHDRMDCV;
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typedef struct AV1RawMetadataScalability {
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uint8_t scalability_mode_idc;
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uint8_t spatial_layers_cnt_minus_1;
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uint8_t spatial_layer_dimensions_present_flag;
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uint8_t spatial_layer_description_present_flag;
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uint8_t temporal_group_description_present_flag;
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uint8_t scalability_structure_reserved_3bits;
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uint16_t spatial_layer_max_width[4];
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uint16_t spatial_layer_max_height[4];
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uint8_t spatial_layer_ref_id[4];
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uint8_t temporal_group_size;
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uint8_t temporal_group_temporal_id[255];
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uint8_t temporal_group_temporal_switching_up_point_flag[255];
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uint8_t temporal_group_spatial_switching_up_point_flag[255];
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uint8_t temporal_group_ref_cnt[255];
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uint8_t temporal_group_ref_pic_diff[255][7];
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} AV1RawMetadataScalability;
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typedef struct AV1RawMetadataITUTT35 {
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uint8_t itu_t_t35_country_code;
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uint8_t itu_t_t35_country_code_extension_byte;
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uint8_t *payload;
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AVBufferRef *payload_ref;
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size_t payload_size;
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} AV1RawMetadataITUTT35;
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typedef struct AV1RawMetadataTimecode {
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uint8_t counting_type;
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uint8_t full_timestamp_flag;
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uint8_t discontinuity_flag;
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uint8_t cnt_dropped_flag;
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uint16_t n_frames;
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uint8_t seconds_value;
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uint8_t minutes_value;
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uint8_t hours_value;
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uint8_t seconds_flag;
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uint8_t minutes_flag;
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uint8_t hours_flag;
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uint8_t time_offset_length;
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uint32_t time_offset_value;
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} AV1RawMetadataTimecode;
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typedef struct AV1RawMetadataUnknown {
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uint8_t *payload;
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AVBufferRef *payload_ref;
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size_t payload_size;
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} AV1RawMetadataUnknown;
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typedef struct AV1RawMetadata {
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uint64_t metadata_type;
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union {
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AV1RawMetadataHDRCLL hdr_cll;
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AV1RawMetadataHDRMDCV hdr_mdcv;
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AV1RawMetadataScalability scalability;
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AV1RawMetadataITUTT35 itut_t35;
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AV1RawMetadataTimecode timecode;
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AV1RawMetadataUnknown unknown;
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} metadata;
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} AV1RawMetadata;
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typedef struct AV1RawPadding {
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uint8_t *payload;
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AVBufferRef *payload_ref;
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size_t payload_size;
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} AV1RawPadding;
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typedef struct AV1RawOBU {
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AV1RawOBUHeader header;
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size_t obu_size;
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union {
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AV1RawSequenceHeader sequence_header;
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AV1RawFrameHeader frame_header;
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AV1RawFrame frame;
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AV1RawTileGroup tile_group;
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AV1RawTileList tile_list;
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AV1RawMetadata metadata;
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AV1RawPadding padding;
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} obu;
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} AV1RawOBU;
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typedef struct AV1ReferenceFrameState {
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int valid; // RefValid
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int frame_id; // RefFrameId
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int upscaled_width; // RefUpscaledWidth
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int frame_width; // RefFrameWidth
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int frame_height; // RefFrameHeight
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int render_width; // RefRenderWidth
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int render_height; // RefRenderHeight
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int frame_type; // RefFrameType
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int subsampling_x; // RefSubsamplingX
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int subsampling_y; // RefSubsamplingY
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int bit_depth; // RefBitDepth
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int order_hint; // RefOrderHint
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int saved_order_hints[AV1_TOTAL_REFS_PER_FRAME]; // SavedOrderHints[ref]
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int8_t loop_filter_ref_deltas[AV1_TOTAL_REFS_PER_FRAME];
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int8_t loop_filter_mode_deltas[2];
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uint8_t feature_enabled[AV1_MAX_SEGMENTS][AV1_SEG_LVL_MAX];
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int16_t feature_value[AV1_MAX_SEGMENTS][AV1_SEG_LVL_MAX];
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} AV1ReferenceFrameState;
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typedef struct CodedBitstreamAV1Context {
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const AVClass *class;
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AV1RawSequenceHeader *sequence_header;
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/** A RefStruct reference backing sequence_header. */
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AV1RawOBU *sequence_header_ref;
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int seen_frame_header;
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AVBufferRef *frame_header_ref;
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uint8_t *frame_header;
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size_t frame_header_size;
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int temporal_id;
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int spatial_id;
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int operating_point_idc;
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int bit_depth;
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int order_hint;
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int frame_width;
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int frame_height;
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int upscaled_width;
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int render_width;
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int render_height;
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int num_planes;
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int coded_lossless;
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int all_lossless;
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int tile_cols;
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int tile_rows;
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int tile_num;
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int order_hints[AV1_TOTAL_REFS_PER_FRAME]; // OrderHints
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int ref_frame_sign_bias[AV1_TOTAL_REFS_PER_FRAME]; // RefFrameSignBias
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AV1ReferenceFrameState ref[AV1_NUM_REF_FRAMES];
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// AVOptions
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int operating_point;
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// When writing, fix the length in bytes of the obu_size field.
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// Writing will fail with an error if an OBU larger than can be
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// represented by the fixed size is encountered.
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int fixed_obu_size_length;
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} CodedBitstreamAV1Context;
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#endif /* AVCODEC_CBS_AV1_H */
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