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FFmpeg/libavcodec/cbs_av1.h
James Almer aea80e2273 avcodec/cbs_av1: split film grain param fields into their own struct 
Cosmetic change in preparation for the following patches.

Signed-off-by: James Almer <jamrial@gmail.com>
2020-11-30 19:12:39 -03:00

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