/* This file is part of Nokia HEIF library
 *
 * Copyright (c) 2015-2025 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
 *
 * Contact: heif@nokia.com
 *
 * This software, including documentation, is protected by copyright controlled by Nokia Corporation and/ or its
 * subsidiaries. All rights are reserved.
 *
 * Copying, including reproducing, storing, adapting or translating, any or all of this material requires the prior
 * written consent of Nokia.
 */

#ifndef AVCPARSER_HPP
#define AVCPARSER_HPP

#include <cstdint>

#include "customallocator.hpp"

namespace ISOBMFF
{
    class BitStream;
}

/* ISO/IEC 14496-10 Advanced Video Coding parsing for the configurations */

struct HRDParameters
{
    uint32_t cpb_cnt_minus1;
    uint8_t bit_rate_scale;
    uint8_t cpb_size_scale;
    Vector<uint32_t> bit_rate_value_minus1;
    Vector<uint32_t> cpb_size_value_minus1;
    Vector<uint8_t> cbr_flag;
    uint8_t initial_cpb_removal_delay_length_minus1;
    uint8_t cpb_removal_delay_length_minus1;
    uint8_t dpb_output_delay_length_minus1;
    uint8_t time_offset_length;
};

struct VUIParameters
{
    uint8_t aspect_ratio_info_present_flag;
    uint8_t aspect_ratio_idc;
    uint16_t sar_width;
    uint16_t sar_height;
    uint8_t overscan_info_present_flag;
    uint8_t overscan_appropriate_flag;
    uint8_t video_signal_type_present_flag;
    uint8_t video_format;
    uint8_t video_full_range_flag;
    uint8_t colour_description_present_flag;
    uint8_t colour_primaries;
    uint8_t transfer_characteristics;
    uint8_t matrix_coefficients;
    uint8_t chroma_loc_info_present_flag;
    uint32_t chroma_sample_loc_type_top_field;
    uint32_t chroma_sample_loc_type_bottom_field;
    uint8_t timing_info_present_flag;
    uint32_t num_units_in_tick;
    uint32_t time_scale;
    uint8_t fixed_frame_rate_flag;
    uint8_t nal_hrd_parameters_present_flag;
    HRDParameters nal_hrd_parameters;
    uint8_t vcl_hrd_parameters_present_flag;
    HRDParameters vcl_hrd_parameters;
    uint8_t low_delay_hrd_flag;
    uint8_t pic_struct_present_flag;
    uint8_t bitstream_restriction_flag;
    uint8_t motion_vectors_over_pic_boundaries_flag;
    uint32_t max_bytes_per_pic_denom;
    uint32_t max_bits_per_mb_denom;
    uint32_t log2_max_mv_length_horizontal;
    uint32_t log2_max_mv_length_vertical;
    uint32_t max_num_reorder_frames;
    uint32_t max_dec_frame_buffering;
};

struct SPSConfigValues
{
    uint8_t profile_idc;
    uint8_t profile_compatibility;
    uint8_t level_idc;
    uint32_t seq_parameter_set_id;
    uint32_t chroma_format_idc;
    uint8_t separate_colour_plane_flag;
    uint32_t bit_depth_luma_minus8;
    uint32_t bit_depth_chroma_minus8;
    uint8_t qpprime_y_zero_transform_bypass_flag;
    uint8_t seq_scaling_matrix_present_flag;
    uint32_t log2_max_frame_num_minus4;
    uint32_t pic_order_cnt_type;
    uint32_t log2_max_pic_order_cnt_lsb_minus4;
    uint8_t delta_pic_order_always_zero_flag;
    int32_t offset_for_non_ref_pic;
    int32_t offset_for_top_to_bottom_field;
    uint32_t num_ref_frames_in_pic_order_cnt_cycle;
    Vector<int32_t> offset_for_ref_frame;
    uint32_t max_num_ref_frames;
    uint8_t gaps_in_frame_num_value_allowed_flag;
    uint32_t pic_width_in_mbs_minus1;
    uint32_t pic_height_in_map_units_minus1;
    uint8_t frame_mbs_only_flag;
    uint8_t mb_adaptive_frame_field_flag;
    uint8_t direct_8x8_inference_flag;
    uint8_t frame_cropping_flag;
    uint32_t frame_crop_left_offset;
    uint32_t frame_crop_right_offset;
    uint32_t frame_crop_top_offset;
    uint32_t frame_crop_bottom_offset;
    uint8_t vui_parameters_present_flag;
    VUIParameters vui_parameters;
};

bool parseHRD(ISOBMFF::BitStream& bitstr, HRDParameters& retHdr);

bool parseVUI(ISOBMFF::BitStream& bitstr, VUIParameters& retVui);

bool parseSPS(ISOBMFF::BitStream& bitstr, SPSConfigValues& retSps);

#endif /* end of include guard: AVCPARSER_HPP */