import IOggCodec from "./iOggCodec";
import XiphComment from "../../xiph/xiphComment";
import { ByteVector } from "../../byteVector";
import { IAudioCodec, MediaTypes } from "../../properties";
/**
 * Represents an Ogg Vorbis bitstream for use in an Ogg file.
 */
export default class Vorbis implements IOggCodec, IAudioCodec {
    private static readonly IDENTIFIER;
    private readonly _bitrateMaximum;
    private readonly _bitrateMinimum;
    private readonly _bitrateNominal;
    private readonly _channels;
    private readonly _sampleRate;
    private readonly _vorbisVersion;
    private _commentData;
    private _durationMilliseconds;
    /**
     * Constructs and initializes a new instance using the provided header packet.
     * @param headerPacket Packet that contains the Vorbis header data
     */
    constructor(headerPacket: ByteVector);
    /**
     * @inheritDoc
     * @remarks
     *     For Vorbis files, this is the nominal bitrate as specified in the identification
     *     header. This may be significantly different from the actual average since this header
     *     only provides decoding hints.
     */
    get audioBitrate(): number;
    /** @inheritDoc */
    get audioChannels(): number;
    /** @inheritDoc */
    get audioSampleRate(): number;
    /**
     * Gets the raw Xiph comment data contained in the codec.
     */
    get commentData(): ByteVector;
    /** @inheritDoc */
    get description(): string;
    /** @inheritDoc */
    get durationMilliseconds(): number;
    /** @inheritDoc */
    get mediaTypes(): MediaTypes;
    /**
     * Determines if a packet is a Vorbis 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;
}