/* * 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 #include #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_intraintra_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 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; uint8_t render_width_minus_1; uint8_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]; 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[16]; uint8_t point_y_scaling[16]; uint8_t chroma_scaling_from_luma; uint8_t num_cb_points; uint8_t point_cb_value[16]; uint8_t point_cb_scaling[16]; uint8_t num_cr_points; uint8_t point_cr_value[16]; uint8_t point_cr_scaling[16]; 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; } AV1RawFrameHeader; typedef struct AV1RawTileData { uint8_t *data; size_t data_size; AVBufferRef *data_ref; } 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; size_t payload_size; AVBufferRef *payload_ref; } 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; size_t payload_size; AVBufferRef *payload_ref; } 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 } 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 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; AV1ReferenceFrameState *ref; AV1ReferenceFrameState read_ref[AV1_NUM_REF_FRAMES]; AV1ReferenceFrameState write_ref[AV1_NUM_REF_FRAMES]; // Write buffer. uint8_t *write_buffer; size_t write_buffer_size; } CodedBitstreamAV1Context; #endif /* AVCODEC_CBS_AV1_H */