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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_APV_H
#define AVCODEC_CBS_APV_H
#include <stddef.h>
#include <stdint.h>
#include "libavutil/buffer.h"
#include "apv.h"
// Arbitrary limits to avoid large structures.
#define CBS_APV_MAX_AU_FRAMES 8
#define CBS_APV_MAX_METADATA_PAYLOADS 8
typedef struct APVRawPBUHeader {
uint8_t pbu_type;
uint16_t group_id;
uint8_t reserved_zero_8bits;
} APVRawPBUHeader;
typedef struct APVRawFiller {
size_t filler_size;
} APVRawFiller;
typedef struct APVRawFrameInfo {
uint8_t profile_idc;
uint8_t level_idc;
uint8_t band_idc;
uint8_t reserved_zero_5bits;
uint32_t frame_width;
uint32_t frame_height;
uint8_t chroma_format_idc;
uint8_t bit_depth_minus8;
uint8_t capture_time_distance;
uint8_t reserved_zero_8bits;
} APVRawFrameInfo;
typedef struct APVRawQuantizationMatrix {
uint8_t q_matrix[APV_MAX_NUM_COMP][APV_TR_SIZE][APV_TR_SIZE];
} APVRawQuantizationMatrix;
typedef struct APVRawTileInfo {
uint32_t tile_width_in_mbs;
uint32_t tile_height_in_mbs;
uint8_t tile_size_present_in_fh_flag;
uint32_t tile_size_in_fh[APV_MAX_TILE_COUNT];
} APVRawTileInfo;
typedef struct APVRawFrameHeader {
APVRawFrameInfo frame_info;
uint8_t reserved_zero_8bits;
uint8_t color_description_present_flag;
uint8_t color_primaries;
uint8_t transfer_characteristics;
uint8_t matrix_coefficients;
uint8_t full_range_flag;
uint8_t use_q_matrix;
APVRawQuantizationMatrix quantization_matrix;
APVRawTileInfo tile_info;
uint8_t reserved_zero_8bits_2;
} APVRawFrameHeader;
typedef struct APVRawTileHeader {
uint16_t tile_header_size;
uint16_t tile_index;
uint32_t tile_data_size[APV_MAX_NUM_COMP];
uint8_t tile_qp [APV_MAX_NUM_COMP];
uint8_t reserved_zero_8bits;
} APVRawTileHeader;
typedef struct APVRawTile {
APVRawTileHeader tile_header;
uint8_t *tile_data[APV_MAX_NUM_COMP];
uint8_t *tile_dummy_byte;
uint32_t tile_dummy_byte_size;
} APVRawTile;
typedef struct APVRawFrame {
APVRawPBUHeader pbu_header;
APVRawFrameHeader frame_header;
uint32_t tile_size[APV_MAX_TILE_COUNT];
APVRawTile tile [APV_MAX_TILE_COUNT];
APVRawFiller filler;
AVBufferRef *tile_data_ref;
} APVRawFrame;
typedef struct APVRawAUInfo {
uint16_t num_frames;
uint8_t pbu_type [CBS_APV_MAX_AU_FRAMES];
uint8_t group_id [CBS_APV_MAX_AU_FRAMES];
uint8_t reserved_zero_8bits[CBS_APV_MAX_AU_FRAMES];
APVRawFrameInfo frame_info [CBS_APV_MAX_AU_FRAMES];
uint8_t reserved_zero_8bits_2;
APVRawFiller filler;
} APVRawAUInfo;
typedef struct APVRawMetadataITUTT35 {
uint8_t itu_t_t35_country_code;
uint8_t itu_t_t35_country_code_extension;
uint8_t *data;
AVBufferRef *data_ref;
size_t data_size;
} APVRawMetadataITUTT35;
typedef struct APVRawMetadataMDCV {
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 max_mastering_luminance;
uint32_t min_mastering_luminance;
} APVRawMetadataMDCV;
typedef struct APVRawMetadataCLL {
uint16_t max_cll;
uint16_t max_fall;
} APVRawMetadataCLL;
typedef struct APVRawMetadataFiller {
uint32_t payload_size;
} APVRawMetadataFiller;
typedef struct APVRawMetadataUserDefined {
uint8_t uuid[16];
uint8_t *data;
AVBufferRef *data_ref;
size_t data_size;
} APVRawMetadataUserDefined;
typedef struct APVRawMetadataUndefined {
uint8_t *data;
AVBufferRef *data_ref;
size_t data_size;
} APVRawMetadataUndefined;
typedef struct APVRawMetadataPayload {
uint32_t payload_type;
uint32_t payload_size;
union {
APVRawMetadataITUTT35 itu_t_t35;
APVRawMetadataMDCV mdcv;
APVRawMetadataCLL cll;
APVRawMetadataFiller filler;
APVRawMetadataUserDefined user_defined;
APVRawMetadataUndefined undefined;
};
} APVRawMetadataPayload;
typedef struct APVRawMetadata {
APVRawPBUHeader pbu_header;
uint32_t metadata_size;
uint32_t metadata_count;
APVRawMetadataPayload payloads[CBS_APV_MAX_METADATA_PAYLOADS];
APVRawFiller filler;
} APVRawMetadata;
typedef struct APVDerivedTileInfo {
uint8_t tile_cols;
uint8_t tile_rows;
uint16_t num_tiles;
// The spec uses an extra element on the end of these arrays
// not corresponding to any tile.
uint16_t col_starts[APV_MAX_TILE_COLS + 1];
uint16_t row_starts[APV_MAX_TILE_ROWS + 1];
} APVDerivedTileInfo;
typedef struct CodedBitstreamAPVContext {
int bit_depth;
int num_comp;
APVDerivedTileInfo tile_info;
} CodedBitstreamAPVContext;
#endif /* AVCODEC_CBS_APV_H */
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