import { Bitstream } from "./bitstream";
import { VUIParams } from "./vui";
export declare type FrameCropping = {
    left: number;
    right: number;
    top: number;
    bottom: number;
};
export { VUIParams, Bitstream };
export declare type SPSInfo = {
    nalu_type: 7;
    sps_id: number;
    profile_idc: number;
    level_idc: number;
    profile_compatibility: number;
    frame_mbs_only_flag: 0 | 1;
    pic_width_in_mbs: number;
    pic_height_in_map_units: number;
    frame_cropping_flag: 0 | 1;
    frame_cropping: FrameCropping;
    chroma_format_idc: number;
    bit_depth_luma: number;
    bit_depth_chroma: number;
    color_plane_flag: 0 | 1;
    chroma_array_type: number;
    qpprime_y_zero_transform_bypass_flag: 0 | 1;
    seq_scaling_matrix_present_flag: 0 | 1;
    scaling_list_4x4: number[][];
    scaling_list_8x8: number[][];
    log2_max_frame_num: number;
    pic_order_cnt_type: number;
    delta_pic_order_always_zero_flag: 0 | 1;
    offset_for_non_ref_pic: number;
    offset_for_top_to_bottom_field: number;
    offset_for_ref_frame: number[];
    log2_max_pic_order_cnt_lsb: number;
    max_num_ref_frames: number;
    gaps_in_frame_num_value_allowed_flag: 0 | 1;
    mb_adaptive_frame_field_flag: 0 | 1;
    direct_8x8_inference_flag: 0 | 1;
    vui_parameters_present_flag: 0 | 1;
    vui_parameters: VUIParams;
};
export declare function getFrameCropping(flag: 0 | 1, stream: Bitstream): FrameCropping;
export declare function parseSPS(nalu: Uint8Array): SPSInfo;
export declare function sps_data(nalu: Uint8Array, stream: Bitstream): SPSInfo;