import IOggCodec from "./iOggCodec";
import XiphComment from "../../xiph/xiphComment";
import { ByteVector } from "../../byteVector";
import { IVideoCodec, MediaTypes } from "../../properties";
/**
 * Represents an Ogg Theora bitstream for use in an Ogg file.
 */
export default class Theora implements IOggCodec, IVideoCodec {
    private static readonly IDENTIFIER;
    private readonly _fpsDenominator;
    private readonly _fpsNumerator;
    private readonly _height;
    private readonly _keyframeGranuleShift;
    private readonly _majorVersion;
    private readonly _minorVersion;
    private readonly _reversionVersion;
    private readonly _width;
    private _commentData;
    private _durationMilliseconds;
    /**
     * Constructs and initializes a new instance using the provided header packet.
     * @param headerPacket Packet that contains the Theora header data
     */
    constructor(headerPacket: ByteVector);
    /** @inheritDoc */
    get commentData(): ByteVector;
    /** @inheritDoc */
    get description(): string;
    /** @inheritDoc */
    get durationMilliseconds(): number;
    /** @inheritDoc */
    get mediaTypes(): MediaTypes;
    /** @inheritDoc */
    get videoHeight(): number;
    /** @inheritDoc */
    get videoWidth(): number;
    /**
     * Checks to see if packet is a Theora header packet.
     * @param packet Packet to check
     */
    static isHeaderPacket(packet: ByteVector): boolean;
    /** @inheritDoc */
    readPacket(packet: ByteVector): boolean;
    /** @inheritDoc */
    setDuration(firstGranularPosition: ByteVector, lastGranularPosition: ByteVector): void;
    /** @inheritDoc */
    writeCommentPacket(packets: ByteVector[], comment: XiphComment): void;
    private getGranuleTime;
}