/// <reference types="dom-webcodecs" />
import BufferContents from '../BufferContents';
import { Size } from '../math/Size';
export declare type DualPlaneYUVAArrayBuffer = {
    type: 'DualPlaneYUVAArrayBuffer';
    close?: () => void;
    opaque: {
        buffer: Uint8Array;
        width: number;
        height: number;
    };
    alpha?: {
        buffer: Uint8Array;
        width: number;
        height: number;
    };
};
export declare type DualPlaneRGBAArrayBuffer = {
    type: 'DualPlaneRGBAArrayBuffer';
    close: () => void;
    opaque: {
        buffer: Uint8Array;
        width: number;
        height: number;
    };
    alpha?: {
        buffer: Uint8Array;
        width: number;
        height: number;
    };
};
export declare type DualPlaneRGBAImageBitmap = {
    type: 'DualPlaneRGBAImageBitmap';
    close: () => void;
    opaque: {
        buffer: ImageBitmap;
        width: number;
        height: number;
    };
    alpha?: {
        buffer: ImageBitmap;
        width: number;
        height: number;
    };
};
export declare type DualPlaneRGBAVideoFrame = {
    type: 'DualPlaneRGBAVideoFrame';
    close: () => void;
    opaque: {
        buffer: VideoFrame;
        width: number;
        height: number;
    };
    alpha?: {
        buffer: VideoFrame;
        width: number;
        height: number;
    };
};
export declare type SinglePlane = {
    type: 'SinglePlane';
    close: () => void;
    bitmap: ImageBitmap;
    blob: Blob;
};
export declare type DecodedPixelContent = DualPlaneYUVAArrayBuffer | DualPlaneRGBAImageBitmap | DualPlaneRGBAArrayBuffer | DualPlaneRGBAVideoFrame | SinglePlane;
export declare type DecodedFrame = {
    readonly mimeType: 'video/h264' | 'image/png';
    readonly pixelContent: DecodedPixelContent;
    readonly size: Size;
} & BufferContents<DecodedPixelContent>;
export declare function isDecodedFrame(buffer: any): buffer is DecodedFrame;
export declare function createDecodedFrame(mimeType: 'video/h264' | 'image/png', pixelContent: DecodedPixelContent, size: Size, serial: number): DecodedFrame;