hls.js/dist/hls.js.d.ts

JavaScript HLS client using MediaSourceExtension

export declare interface AbrComponentAPI extends ComponentAPI {
    firstAutoLevel: number;
    forcedAutoLevel: number;
    nextAutoLevel: number;
    readonly bwEstimator?: EwmaBandWidthEstimator;
    resetEstimator(abrEwmaDefaultEstimate: number): any;
}

export declare class AbrController extends Logger implements AbrComponentAPI {
    protected hls: Hls;
    private lastLevelLoadSec;
    private lastLoadedFragLevel;
    private firstSelection;
    private _nextAutoLevel;
    private nextAutoLevelKey;
    private audioTracksByGroup;
    private codecTiers;
    private timer;
    private fragCurrent;
    private partCurrent;
    private bitrateTestDelay;
    private rebufferNotice;
    private supportedCache;
    bwEstimator: EwmaBandWidthEstimator;
    constructor(hls: Hls);
    resetEstimator(abrEwmaDefaultEstimate?: number): void;
    private initEstimator;
    protected registerListeners(): void;
    protected unregisterListeners(): void;
    destroy(): void;
    protected onManifestLoading(event: Events.MANIFEST_LOADING, data: ManifestLoadingData): void;
    private onLevelsUpdated;
    private onMaxAutoLevelUpdated;
    protected onFragLoading(event: Events.FRAG_LOADING, data: FragLoadingData): void;
    protected onLevelSwitching(event: Events.LEVEL_SWITCHING, data: LevelSwitchingData): void;
    protected onError(event: Events.ERROR, data: ErrorData): void;
    private getTimeToLoadFrag;
    protected onLevelLoaded(event: Events.LEVEL_LOADED, data: LevelLoadedData): void;
    private _abandonRulesCheck;
    protected onFragLoaded(event: Events.FRAG_LOADED, { frag, part }: FragLoadedData): void;
    protected onFragBuffered(event: Events.FRAG_BUFFERED, data: FragBufferedData): void;
    private ignoreFragment;
    clearTimer(): void;
    get firstAutoLevel(): number;
    get forcedAutoLevel(): number;
    get nextAutoLevel(): number;
    private getAutoLevelKey;
    private getNextABRAutoLevel;
    private getStarvationDelay;
    private getBwEstimate;
    private findBestLevel;
    set nextAutoLevel(nextLevel: number);
    protected deriveNextAutoLevel(nextLevel: number): number;
}

export declare type ABRControllerConfig = {
    abrEwmaFastLive: number;
    abrEwmaSlowLive: number;
    abrEwmaFastVoD: number;
    abrEwmaSlowVoD: number;
    /**
     * Default bandwidth estimate in bits/s prior to collecting fragment bandwidth samples
     */
    abrEwmaDefaultEstimate: number;
    abrEwmaDefaultEstimateMax: number;
    abrBandWidthFactor: number;
    abrBandWidthUpFactor: number;
    abrMaxWithRealBitrate: boolean;
    maxStarvationDelay: number;
    maxLoadingDelay: number;
};

export declare type AssetListJSON = {
    ASSETS: Array<{
        URI: string;
        DURATION: string;
    }>;
};

export declare interface AssetListLoadedData {
    event: InterstitialEventWithAssetList;
    assetListResponse: AssetListJSON;
    networkDetails: any;
}

export declare interface AssetListLoadingData {
    event: InterstitialEventWithAssetList;
}

export declare type AttachMediaSourceData = {
    media: HTMLMediaElement;
    mediaSource: MediaSource | null;
    tracks: SourceBufferTrackSet;
};

export declare class AttrList {
    [key: string]: any;
    constructor(attrs: string | Record<string, any>, parsed?: Pick<ParsedMultivariantPlaylist | LevelDetails, 'variableList' | 'hasVariableRefs' | 'playlistParsingError'>);
    get clientAttrs(): string[];
    decimalInteger(attrName: string): number;
    hexadecimalInteger(attrName: string): Uint8Array<ArrayBuffer> | null;
    hexadecimalIntegerAsNumber(attrName: string): number;
    decimalFloatingPoint(attrName: string): number;
    optionalFloat(attrName: string, defaultValue: number): number;
    enumeratedString(attrName: string): string | undefined;
    enumeratedStringList<T extends {
        [key: string]: boolean;
    }>(attrName: string, dict: T): {
        [key in keyof T]: boolean;
    };
    bool(attrName: string): boolean;
    decimalResolution(attrName: string): {
        width: number;
        height: number;
    } | undefined;
    static parseAttrList(input: string, parsed?: Pick<ParsedMultivariantPlaylist | LevelDetails, 'variableList' | 'hasVariableRefs' | 'playlistParsingError'>): Record<string, string>;
}

export declare type AudioPlaylistType = 'AUDIO';

export declare type AudioSelectionOption = {
    lang?: string;
    assocLang?: string;
    characteristics?: string;
    channels?: string;
    name?: string;
    audioCodec?: string;
    groupId?: string;
    default?: boolean;
};

export declare class AudioStreamController extends BaseStreamController implements NetworkComponentAPI {
    private mainAnchor;
    private mainFragLoading;
    private audioOnly;
    private bufferedTrack;
    private switchingTrack;
    private trackId;
    private waitingData;
    private mainDetails;
    private flushing;
    private bufferFlushed;
    private cachedTrackLoadedData;
    constructor(hls: Hls, fragmentTracker: FragmentTracker, keyLoader: KeyLoader);
    protected onHandlerDestroying(): void;
    private resetItem;
    protected registerListeners(): void;
    protected unregisterListeners(): void;
    onInitPtsFound(event: Events.INIT_PTS_FOUND, { frag, id, initPTS, timescale, trackId }: InitPTSFoundData): void;
    protected getLoadPosition(): number;
    private syncWithAnchor;
    startLoad(startPosition: number, skipSeekToStartPosition?: boolean): void;
    doTick(): void;
    protected resetLoadingState(): void;
    protected onTickEnd(): void;
    private doTickIdle;
    protected onMediaDetaching(event: Events.MEDIA_DETACHING, data: MediaDetachingData): void;
    private onAudioTracksUpdated;
    private onAudioTrackSwitching;
    protected onManifestLoading(): void;
    private onLevelLoaded;
    private onAudioTrackLoaded;
    _handleFragmentLoadProgress(data: FragLoadedData): void;
    protected _handleFragmentLoadComplete(fragLoadedData: FragLoadedData): void;
    private onBufferReset;
    private onBufferCreated;
    private onFragLoading;
    private onFragBuffered;
    protected onError(event: Events.ERROR, data: ErrorData): void;
    private onBufferFlushing;
    private onBufferFlushed;
    private _handleTransmuxComplete;
    private _bufferInitSegment;
    protected loadFragment(frag: Fragment, track: Level, targetBufferTime: number): void;
    private flushAudioIfNeeded;
    private completeAudioSwitch;
}

export declare class AudioTrackController extends BasePlaylistController {
    private tracks;
    private groupIds;
    private tracksInGroup;
    private trackId;
    private currentTrack;
    private selectDefaultTrack;
    constructor(hls: Hls);
    private registerListeners;
    private unregisterListeners;
    destroy(): void;
    protected onManifestLoading(): void;
    protected onManifestParsed(event: Events.MANIFEST_PARSED, data: ManifestParsedData): void;
    protected onAudioTrackLoaded(event: Events.AUDIO_TRACK_LOADED, data: AudioTrackLoadedData): void;
    protected onLevelLoading(event: Events.LEVEL_LOADING, data: LevelLoadingData): void;
    protected onLevelSwitching(event: Events.LEVEL_SWITCHING, data: LevelSwitchingData): void;
    private switchLevel;
    protected onError(event: Events.ERROR, data: ErrorData): void;
    get allAudioTracks(): MediaPlaylist[];
    get audioTracks(): MediaPlaylist[];
    get audioTrack(): number;
    set audioTrack(newId: number);
    setAudioOption(audioOption: MediaPlaylist | AudioSelectionOption | undefined): MediaPlaylist | null;
    private setAudioTrack;
    private findTrackId;
    protected loadPlaylist(hlsUrlParameters?: HlsUrlParameters): void;
    protected loadingPlaylist(audioTrack: MediaPlaylist, hlsUrlParameters: HlsUrlParameters | undefined): void;
}

export declare interface AudioTrackLoadedData extends TrackLoadedData {
}

export declare interface AudioTracksUpdatedData {
    audioTracks: MediaPlaylist[];
}

export declare interface AudioTrackSwitchedData extends MediaPlaylist {
}

export declare interface AudioTrackSwitchingData extends MediaPlaylist {
}

export declare interface AudioTrackUpdatedData {
    details: LevelDetails;
    id: number;
    groupId: string;
}

export declare interface BackBufferData {
    bufferEnd: number;
}

declare type Base = {
    url: string;
};

export declare type BaseData = {
    url: string;
};

export declare class BasePlaylistController extends Logger implements NetworkComponentAPI {
    protected hls: Hls;
    protected canLoad: boolean;
    private timer;
    constructor(hls: Hls, logPrefix: string);
    destroy(): void;
    private clearTimer;
    startLoad(): void;
    stopLoad(): void;
    protected switchParams(playlistUri: string, previous: LevelDetails | undefined, current: LevelDetails | undefined): HlsUrlParameters | undefined;
    protected loadPlaylist(hlsUrlParameters?: HlsUrlParameters): void;
    protected loadingPlaylist(playlist: Level | MediaPlaylist, hlsUrlParameters?: HlsUrlParameters): void;
    protected shouldLoadPlaylist(playlist: Level | MediaPlaylist | null | undefined): playlist is Level | MediaPlaylist;
    protected getUrlWithDirectives(uri: string, hlsUrlParameters: HlsUrlParameters | undefined): string;
    protected playlistLoaded(index: number, data: LevelLoadedData | AudioTrackLoadedData | TrackLoadedData, previousDetails?: LevelDetails): void;
    protected scheduleLoading(levelOrTrack: Level | MediaPlaylist, deliveryDirectives?: HlsUrlParameters, updatedDetails?: LevelDetails): void;
    private getDeliveryDirectives;
    protected checkRetry(errorEvent: ErrorData): boolean;
}

export declare class BaseSegment {
    private _byteRange;
    private _url;
    private _stats;
    private _streams;
    readonly base: Base;
    relurl?: string;
    constructor(base: Base | string);
    setByteRange(value: string, previous?: BaseSegment): void;
    get baseurl(): string;
    get byteRange(): [number, number] | [];
    get byteRangeStartOffset(): number | undefined;
    get byteRangeEndOffset(): number | undefined;
    get elementaryStreams(): ElementaryStreams;
    set elementaryStreams(value: ElementaryStreams);
    get hasStats(): boolean;
    get hasStreams(): boolean;
    get stats(): LoadStats;
    set stats(value: LoadStats);
    get url(): string;
    set url(value: string);
    clearElementaryStreamInfo(): void;
}

export declare class BaseStreamController extends TaskLoop implements NetworkComponentAPI {
    protected hls: Hls;
    protected fragPrevious: MediaFragment | null;
    protected fragCurrent: Fragment | null;
    protected fragmentTracker: FragmentTracker;
    protected transmuxer: TransmuxerInterface | null;
    protected _state: (typeof State)[keyof typeof State];
    protected playlistType: PlaylistLevelType;
    protected media: HTMLMediaElement | null;
    protected mediaBuffer: Bufferable | null;
    protected config: HlsConfig;
    protected bitrateTest: boolean;
    protected lastCurrentTime: number;
    protected nextLoadPosition: number;
    protected startPosition: number;
    protected startTimeOffset: number | null;
    protected retryDate: number;
    protected levels: Array<Level> | null;
    protected fragmentLoader: FragmentLoader;
    protected keyLoader: KeyLoader;
    protected levelLastLoaded: Level | null;
    protected startFragRequested: boolean;
    protected decrypter: Decrypter;
    protected initPTS: TimestampOffset[];
    protected buffering: boolean;
    protected loadingParts: boolean;
    private loopSn?;
    constructor(hls: Hls, fragmentTracker: FragmentTracker, keyLoader: KeyLoader, logPrefix: string, playlistType: PlaylistLevelType);
    protected registerListeners(): void;
    protected unregisterListeners(): void;
    protected doTick(): void;
    protected onTickEnd(): void;
    startLoad(startPosition: number): void;
    stopLoad(): void;
    get startPositionValue(): number;
    get bufferingEnabled(): boolean;
    pauseBuffering(): void;
    resumeBuffering(): void;
    get inFlightFrag(): InFlightData;
    protected _streamEnded(bufferInfo: BufferInfo, levelDetails: LevelDetails): boolean;
    getLevelDetails(): LevelDetails | undefined;
    protected get timelineOffset(): number;
    protected onMediaAttached(event: Events.MEDIA_ATTACHED, data: MediaAttachedData): void;
    protected onMediaDetaching(event: Events.MEDIA_DETACHING, data: MediaDetachingData): void;
    protected onManifestLoading(): void;
    protected onError(event: Events.ERROR, data: ErrorData): void;
    protected onMediaSeeking: () => void;
    protected onMediaEnded: () => void;
    protected onManifestLoaded(event: Events.MANIFEST_LOADED, data: ManifestLoadedData): void;
    protected onHandlerDestroying(): void;
    protected onHandlerDestroyed(): void;
    protected loadFragment(frag: MediaFragment, level: Level, targetBufferTime: number): void;
    private _loadFragForPlayback;
    protected clearTrackerIfNeeded(frag: Fragment): void;
    protected checkLiveUpdate(details: LevelDetails): void;
    protected waitForLive(levelInfo: Level): boolean | undefined;
    protected flushMainBuffer(startOffset: number, endOffset: number, type?: SourceBufferName | null): void;
    protected _loadInitSegment(fragment: Fragment, level: Level): void;
    private completeInitSegmentLoad;
    protected unhandledEncryptionError(initSegment: InitSegmentData, frag: Fragment): boolean;
    protected fragContextChanged(frag: Fragment | null): boolean;
    protected fragBufferedComplete(frag: Fragment, part: Part | null): void;
    protected _handleFragmentLoadComplete(fragLoadedEndData: PartsLoadedData): void;
    protected _handleFragmentLoadProgress(frag: PartsLoadedData | FragLoadedData): void;
    protected _doFragLoad(frag: Fragment, level: Level, targetBufferTime?: number | null, progressCallback?: FragmentLoadProgressCallback): Promise<PartsLoadedData | FragLoadedData | null>;
    private doFragPartsLoad;
    private handleFragLoadError;
    protected _handleTransmuxerFlush(chunkMeta: ChunkMetadata): void;
    private shouldLoadParts;
    protected getCurrentContext(chunkMeta: ChunkMetadata): {
        frag: MediaFragment;
        part: Part | null;
        level: Level;
    } | null;
    protected bufferFragmentData(data: RemuxedTrack, frag: Fragment, part: Part | null, chunkMeta: ChunkMetadata, noBacktracking?: boolean): void;
    protected flushBufferGap(frag: Fragment): void;
    protected getFwdBufferInfo(bufferable: Bufferable | null, type: PlaylistLevelType): BufferInfo | null;
    protected getFwdBufferInfoAtPos(bufferable: Bufferable | null, pos: number, type: PlaylistLevelType, maxBufferHole: number): BufferInfo | null;
    protected getMaxBufferLength(levelBitrate?: number): number;
    protected exceedsMaxBuffer(bufferInfo: BufferInfo, maxBufLen: number, selected: Fragment): boolean;
    protected reduceMaxBufferLength(threshold: number, fragDuration: number): boolean;
    protected getAppendedFrag(position: number, playlistType?: PlaylistLevelType): Fragment | null;
    protected getNextFragment(pos: number, levelDetails: LevelDetails): Fragment | null;
    protected isLoopLoading(frag: Fragment, targetBufferTime: number): boolean;
    protected getNextFragmentLoopLoading(frag: Fragment, levelDetails: LevelDetails, bufferInfo: BufferInfo, playlistType: PlaylistLevelType, maxBufLen: number): Fragment | null;
    protected get primaryPrefetch(): boolean;
    protected filterReplacedPrimary(frag: MediaFragment | null, details: LevelDetails | undefined): MediaFragment | null;
    mapToInitFragWhenRequired(frag: Fragment | null): typeof frag;
    getNextPart(partList: Part[], frag: Fragment, targetBufferTime: number): number;
    private loadedEndOfParts;
    protected getInitialLiveFragment(levelDetails: LevelDetails): MediaFragment | null;
    protected getFragmentAtPosition(bufferEnd: number, end: number, levelDetails: LevelDetails): MediaFragment | null;
    protected alignPlaylists(details: LevelDetails, previousDetails: LevelDetails | undefined, switchDetails: LevelDetails | undefined): number;
    protected waitForCdnTuneIn(details: LevelDetails): boolean | 0;
    protected setStartPosition(details: LevelDetails, sliding: number): void;
    protected getLoadPosition(): number;
    private handleFragLoadAborted;
    protected resetFragmentLoading(frag: Fragment): void;
    protected onFragmentOrKeyLoadError(filterType: PlaylistLevelType, data: ErrorData): void;
    protected checkRetryDate(): void;
    protected reduceLengthAndFlushBuffer(data: ErrorData): boolean;
    protected resetFragmentErrors(filterType: PlaylistLevelType): void;
    protected afterBufferFlushed(media: Bufferable, bufferType: SourceBufferName, playlistType: PlaylistLevelType): void;
    protected resetLoadingState(): void;
    private resetStartWhenNotLoaded;
    protected resetWhenMissingContext(chunkMeta: ChunkMetadata | Fragment): void;
    protected removeUnbufferedFrags(start?: number): void;
    private updateLevelTiming;
    private playlistLabel;
    private fragInfo;
    private treatAsGap;
    protected resetTransmuxer(): void;
    protected recoverWorkerError(data: ErrorData): void;
    set state(nextState: (typeof State)[keyof typeof State]);
    get state(): (typeof State)[keyof typeof State];
}

export declare interface BaseTrack {
    id: 'audio' | 'main';
    container: string;
    codec?: string;
    supplemental?: string;
    encrypted?: boolean;
    levelCodec?: string;
    pendingCodec?: string;
    metadata?: {
        channelCount?: number;
        width?: number;
        height?: number;
    };
}

export declare type BaseTrackSet = Partial<Record<SourceBufferName, BaseTrack>>;

export declare type Bufferable = {
    buffered: TimeRanges;
};

export declare interface BufferAppendedData {
    type: SourceBufferName;
    frag: Fragment;
    part: Part | null;
    chunkMeta: ChunkMetadata;
    parent: PlaylistLevelType;
    timeRanges: Partial<Record<SourceBufferName, TimeRanges>>;
}

export declare interface BufferAppendingData {
    type: SourceBufferName;
    frag: Fragment;
    part: Part | null;
    chunkMeta: ChunkMetadata;
    offset?: number | undefined;
    parent: PlaylistLevelType;
    data: Uint8Array<ArrayBuffer>;
}

export declare interface BufferCodecsData {
    video?: ParsedTrack;
    audio?: ParsedTrack;
    audiovideo?: ParsedTrack;
    tracks?: BaseTrackSet;
}

export declare class BufferController extends Logger implements ComponentAPI {
    private hls;
    private fragmentTracker;
    private details;
    private _objectUrl;
    private operationQueue;
    private bufferCodecEventsTotal;
    private media;
    private mediaSource;
    private lastMpegAudioChunk;
    private blockedAudioAppend;
    private lastVideoAppendEnd;
    private appendSource;
    private transferData?;
    private overrides?;
    private appendErrors;
    private tracks;
    private sourceBuffers;
    constructor(hls: Hls, fragmentTracker: FragmentTracker);
    hasSourceTypes(): boolean;
    destroy(): void;
    private registerListeners;
    private unregisterListeners;
    transferMedia(): AttachMediaSourceData | null;
    private initTracks;
    private onManifestLoading;
    private onManifestParsed;
    private onMediaAttaching;
    private assignMediaSource;
    private attachTransferred;
    private get mediaSourceOpenOrEnded();
    private _onEndStreaming;
    private _onStartStreaming;
    private onMediaDetaching;
    private onBufferReset;
    private resetBuffer;
    private removeBuffer;
    private resetQueue;
    private onBufferCodecs;
    get sourceBufferTracks(): BaseTrackSet;
    private appendChangeType;
    private blockAudio;
    private unblockAudio;
    private onBufferAppending;
    private getFlushOp;
    private onBufferFlushing;
    private onFragParsed;
    private onFragChanged;
    get bufferedToEnd(): boolean;
    private onBufferEos;
    private tracksEnded;
    private onLevelUpdated;
    private updateDuration;
    private onError;
    private resetAppendErrors;
    private trimBuffers;
    private flushBackBuffer;
    private flushFrontBuffer;
    /**
     * Update Media Source duration to current level duration or override to Infinity if configuration parameter
     * 'liveDurationInfinity` is set to `true`
     * More details: https://github.com/video-dev/hls.js/issues/355
     */
    private getDurationAndRange;
    private updateMediaSource;
    private get tracksReady();
    private checkPendingTracks;
    private bufferCreated;
    private createSourceBuffers;
    private getTrackCodec;
    private trackSourceBuffer;
    private _onMediaSourceOpen;
    private _onMediaSourceClose;
    private _onMediaSourceEnded;
    private _onMediaEmptied;
    private get mediaSrc();
    private onSBUpdateStart;
    private onSBUpdateEnd;
    private onSBUpdateError;
    private updateTimestampOffset;
    private removeExecutor;
    private appendExecutor;
    private blockUntilOpen;
    private isUpdating;
    private isQueued;
    private isPending;
    private blockBuffers;
    private stepOperationQueue;
    private append;
    private appendBlocker;
    private currentOp;
    private executeNext;
    private shiftAndExecuteNext;
    private get pendingTrackCount();
    private get sourceBufferCount();
    private get sourceBufferTypes();
    private addBufferListener;
    private removeBufferListeners;
}

export declare type BufferControllerConfig = {
    appendErrorMaxRetry: number;
    backBufferLength: number;
    frontBufferFlushThreshold: number;
    liveDurationInfinity: boolean;
    /**
     * @deprecated use backBufferLength
     */
    liveBackBufferLength: number | null;
};

export declare interface BufferCreatedData {
    tracks: BufferCreatedTrackSet;
}

export declare interface BufferCreatedTrack extends BaseTrack {
    buffer: ExtendedSourceBuffer;
}

export declare type BufferCreatedTrackSet = Partial<Record<SourceBufferName, BufferCreatedTrack>>;

export declare interface BufferEOSData {
    type?: SourceBufferName;
}

export declare interface BufferFlushedData {
    type: SourceBufferName;
}

export declare interface BufferFlushingData {
    startOffset: number;
    endOffset: number;
    endOffsetSubtitles?: number;
    type: SourceBufferName | null;
}

export declare type BufferInfo = {
    len: number;
    start: number;
    end: number;
    nextStart?: number;
    buffered?: BufferTimeRange[];
    bufferedIndex: number;
};

/**
 * Provides methods dealing with buffer length retrieval for example.
 *
 * In general, a helper around HTML5 MediaElement TimeRanges gathered from `buffered` property.
 *
 * Also @see https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/buffered
 */
export declare type BufferTimeRange = {
    start: number;
    end: number;
};

export declare class CapLevelController implements ComponentAPI {
    private hls;
    private autoLevelCapping;
    private firstLevel;
    private media;
    private restrictedLevels;
    private timer;
    private clientRect;
    private streamController?;
    constructor(hls: Hls);
    setStreamController(streamController: StreamController): void;
    destroy(): void;
    protected registerListeners(): void;
    protected unregisterListener(): void;
    protected onFpsDropLevelCapping(event: Events.FPS_DROP_LEVEL_CAPPING, data: FPSDropLevelCappingData): void;
    protected onMediaAttaching(event: Events.MEDIA_ATTACHING, data: MediaAttachingData): void;
    protected onManifestParsed(event: Events.MANIFEST_PARSED, data: ManifestParsedData): void;
    private onLevelsUpdated;
    protected onBufferCodecs(event: Events.BUFFER_CODECS, data: BufferCodecsData): void;
    protected onMediaDetaching(): void;
    detectPlayerSize(): void;
    getMaxLevel(capLevelIndex: number): number;
    startCapping(): void;
    stopCapping(): void;
    getDimensions(): {
        width: number;
        height: number;
    };
    get mediaWidth(): number;
    get mediaHeight(): number;
    get contentScaleFactor(): number;
    private isLevelAllowed;
    static getMaxLevelByMediaSize(levels: Array<Level>, width: number, height: number): number;
}

export declare type CapLevelControllerConfig = {
    capLevelToPlayerSize: boolean;
};

/**
 * Keep a CEA-608 screen of 32x15 styled characters
 * @constructor
 */
export declare class CaptionScreen {
    rows: Row[];
    currRow: number;
    nrRollUpRows: number | null;
    lastOutputScreen: CaptionScreen | null;
    logger: CaptionsLogger;
    constructor(logger: CaptionsLogger);
    reset(): void;
    equals(other: CaptionScreen): boolean;
    copy(other: CaptionScreen): void;
    isEmpty(): boolean;
    backSpace(): void;
    clearToEndOfRow(): void;
    /**
     * Insert a character (without styling) in the current row.
     */
    insertChar(char: number): void;
    setPen(styles: Partial<PenStyles>): void;
    moveCursor(relPos: number): void;
    setCursor(absPos: number): void;
    setPAC(pacData: PACData): void;
    /**
     * Set background/extra foreground, but first do back_space, and then insert space (backwards compatibility).
     */
    setBkgData(bkgData: Partial<PenStyles>): void;
    setRollUpRows(nrRows: number | null): void;
    rollUp(): void;
    /**
     * Get all non-empty rows with as unicode text.
     */
    getDisplayText(asOneRow?: boolean): string;
    getTextAndFormat(): Row[];
}

declare class CaptionsLogger {
    time: number | null;
    verboseLevel: VerboseLevel;
    log(severity: VerboseLevel, msg: string | (() => string)): void;
}

export declare class ChunkMetadata {
    readonly level: number;
    readonly sn: number;
    readonly part: number;
    readonly id: number;
    readonly size: number;
    readonly partial: boolean;
    readonly transmuxing: HlsChunkPerformanceTiming;
    readonly buffering: {
        [key in SourceBufferName]: HlsChunkPerformanceTiming;
    };
    constructor(level: number, sn: number, id: number, size?: number, part?: number, partial?: boolean);
}

/**
 * Controller to deal with Common Media Client Data (CMCD)
 * @see https://cdn.cta.tech/cta/media/media/resources/standards/pdfs/cta-5004-final.pdf
 */
export declare class CMCDController implements ComponentAPI {
    private hls;
    private config;
    private media?;
    private sid?;
    private cid?;
    private useHeaders;
    private includeKeys?;
    private initialized;
    private starved;
    private buffering;
    private audioBuffer?;
    private videoBuffer?;
    constructor(hls: Hls);
    private registerListeners;
    private unregisterListeners;
    destroy(): void;
    private onMediaAttached;
    private onMediaDetached;
    private onBufferCreated;
    private onWaiting;
    private onPlaying;
    /**
     * Create baseline CMCD data
     */
    private createData;
    /**
     * Apply CMCD data to a request.
     */
    private apply;
    /**
     * Apply CMCD data to a manifest request.
     */
    private applyPlaylistData;
    /**
     * Apply CMCD data to a segment request
     */
    private applyFragmentData;
    private getNextFrag;
    private getNextPart;
    /**
     * The CMCD object type.
     */
    private getObjectType;
    /**
     * Get the highest bitrate.
     */
    private getTopBandwidth;
    /**
     * Get the buffer length for a media type in milliseconds
     */
    private getBufferLength;
    /**
     * Create a playlist loader
     */
    private createPlaylistLoader;
    /**
     * Create a playlist loader
     */
    private createFragmentLoader;
}

export declare type CMCDControllerConfig = {
    sessionId?: string;
    contentId?: string;
    useHeaders?: boolean;
    includeKeys?: string[];
};

export declare interface CodecsParsed {
    audioCodec?: string;
    videoCodec?: string;
    textCodec?: string;
    unknownCodecs?: string[];
}

export declare interface ComponentAPI {
    destroy(): void;
}

export declare class ContentSteeringController extends Logger implements NetworkComponentAPI {
    private readonly hls;
    private loader;
    private uri;
    private pathwayId;
    private _pathwayPriority;
    private timeToLoad;
    private reloadTimer;
    private updated;
    private started;
    private enabled;
    private levels;
    private audioTracks;
    private subtitleTracks;
    private penalizedPathways;
    constructor(hls: Hls);
    private registerListeners;
    private unregisterListeners;
    pathways(): string[];
    get pathwayPriority(): string[] | null;
    set pathwayPriority(pathwayPriority: string[]);
    startLoad(): void;
    stopLoad(): void;
    clearTimeout(): void;
    destroy(): void;
    removeLevel(levelToRemove: Level): void;
    private onManifestLoading;
    private onManifestLoaded;
    private onManifestParsed;
    private onError;
    filterParsedLevels(levels: Level[]): Level[];
    private getLevelsForPathway;
    private updatePathwayPriority;
    private getPathwayForGroupId;
    private clonePathways;
    private loadSteeringManifest;
    private scheduleRefresh;
}

export declare type ContentSteeringOptions = {
    uri: string;
    pathwayId: string;
};

export declare const Cues: CuesInterface;

export declare interface CuesInterface {
    newCue(track: TextTrack | null, startTime: number, endTime: number, captionScreen: CaptionScreen): VTTCue[];
}

export declare interface CuesParsedData {
    type: 'captions' | 'subtitles';
    cues: any;
    track: string;
}

export declare class DateRange {
    attr: AttrList;
    tagAnchor: MediaFragmentRef | null;
    tagOrder: number;
    private _startDate;
    private _endDate?;
    private _dateAtEnd?;
    private _cue?;
    private _badValueForSameId?;
    constructor(dateRangeAttr: AttrList, dateRangeWithSameId?: DateRange | undefined, tagCount?: number);
    get id(): string;
    get class(): string;
    get cue(): DateRangeCue;
    get startTime(): number;
    get startDate(): Date;
    get endDate(): Date | null;
    get duration(): number | null;
    get plannedDuration(): number | null;
    get endOnNext(): boolean;
    get isInterstitial(): boolean;
    get isValid(): boolean;
}

export declare type DateRangeCue = {
    pre: boolean;
    post: boolean;
    once: boolean;
};

export declare interface DecryptData {
    uri: string;
    method: string;
    keyFormat: string;
    keyFormatVersions: number[];
    iv: Uint8Array<ArrayBuffer> | null;
    key: Uint8Array<ArrayBuffer> | null;
    keyId: Uint8Array<ArrayBuffer> | null;
    pssh: Uint8Array<ArrayBuffer> | null;
    encrypted: boolean;
    isCommonEncryption: boolean;
}

export declare class Decrypter {
    private logEnabled;
    private removePKCS7Padding;
    private subtle;
    private softwareDecrypter;
    private key;
    private fastAesKey;
    private remainderData;
    private currentIV;
    private currentResult;
    private useSoftware;
    private enableSoftwareAES;
    constructor(config: HlsConfig, { removePKCS7Padding }?: {
        removePKCS7Padding?: boolean | undefined;
    });
    destroy(): void;
    isSync(): boolean;
    flush(): Uint8Array<ArrayBuffer> | null;
    reset(): void;
    decrypt(data: Uint8Array | ArrayBuffer, key: ArrayBuffer, iv: ArrayBuffer, aesMode: DecrypterAesMode): Promise<ArrayBuffer>;
    softwareDecrypt(data: Uint8Array, key: ArrayBuffer, iv: ArrayBuffer, aesMode: DecrypterAesMode): ArrayBuffer | null;
    webCryptoDecrypt(data: Uint8Array<ArrayBuffer>, key: ArrayBuffer, iv: ArrayBuffer, aesMode: DecrypterAesMode): Promise<ArrayBuffer>;
    private onWebCryptoError;
    private getValidChunk;
    private logOnce;
}

export declare const enum DecrypterAesMode {
    cbc = 0,
    ctr = 1
}

export declare type DRMSystemConfiguration = {
    licenseUrl: string;
    serverCertificateUrl?: string;
    generateRequest?: (this: Hls, initDataType: string, initData: ArrayBuffer | null, keyContext: MediaKeySessionContext) => {
        initDataType: string;
        initData: ArrayBuffer | null;
    } | undefined | never;
};

export declare type DRMSystemOptions = {
    audioRobustness?: string;
    videoRobustness?: string;
    audioEncryptionScheme?: string | null;
    videoEncryptionScheme?: string | null;
    persistentState?: MediaKeysRequirement;
    distinctiveIdentifier?: MediaKeysRequirement;
    sessionTypes?: string[];
    sessionType?: string;
};

export declare type DRMSystemsConfiguration = Partial<Record<KeySystems, DRMSystemConfiguration>>;

export declare interface ElementaryStreamInfo {
    startPTS: number;
    endPTS: number;
    startDTS: number;
    endDTS: number;
    partial?: boolean;
}

export declare type ElementaryStreams = Record<ElementaryStreamTypes, ElementaryStreamInfo | null>;

export declare const enum ElementaryStreamTypes {
    AUDIO = "audio",
    VIDEO = "video",
    AUDIOVIDEO = "audiovideo"
}

/**
 * Controller to deal with encrypted media extensions (EME)
 * @see https://developer.mozilla.org/en-US/docs/Web/API/Encrypted_Media_Extensions_API
 *
 * @class
 * @constructor
 */
export declare class EMEController extends Logger implements ComponentAPI {
    static CDMCleanupPromise: Promise<void> | void;
    private readonly hls;
    private readonly config;
    private media;
    private mediaResolved?;
    private keyFormatPromise;
    private keySystemAccessPromises;
    private _requestLicenseFailureCount;
    private mediaKeySessions;
    private keyIdToKeySessionPromise;
    private mediaKeys;
    private setMediaKeysQueue;
    private bannedKeyIds;
    constructor(hls: Hls);
    destroy(): void;
    private registerListeners;
    private unregisterListeners;
    private getLicenseServerUrl;
    private getLicenseServerUrlOrThrow;
    private getServerCertificateUrl;
    private attemptKeySystemAccess;
    private requestMediaKeySystemAccess;
    private getMediaKeysPromise;
    private createMediaKeySessionContext;
    private renewKeySession;
    private updateKeySession;
    getSelectedKeySystemFormats(): KeySystemFormats[];
    getKeySystemAccess(keySystemsToAttempt: KeySystems[]): Promise<void>;
    selectKeySystem(keySystemsToAttempt: KeySystems[]): Promise<KeySystemFormats>;
    selectKeySystemFormat(frag: Fragment): Promise<KeySystemFormats>;
    private getKeyFormatPromise;
    getKeyStatus(decryptdata: LevelKey): MediaKeyStatus | undefined;
    loadKey(data: KeyLoadedData): Promise<MediaKeySessionContext>;
    private throwIfDestroyed;
    private handleError;
    private getKeySystemForKeyPromise;
    private getKeySystemSelectionPromise;
    private onMediaEncrypted;
    private onWaitingForKey;
    private attemptSetMediaKeys;
    private generateRequestWithPreferredKeySession;
    private getKeyStatuses;
    private fetchServerCertificate;
    private setMediaKeysServerCertificate;
    private renewLicense;
    private unpackPlayReadyKeyMessage;
    private setupLicenseXHR;
    private requestLicense;
    private onDestroying;
    private onMediaAttached;
    private onMediaDetached;
    private _clear;
    private onManifestLoading;
    private onManifestLoaded;
    private removeSession;
}

export declare type EMEControllerConfig = {
    licenseXhrSetup?: (this: Hls, xhr: XMLHttpRequest, url: string, keyContext: MediaKeySessionContext, licenseChallenge: Uint8Array) => void | Uint8Array | Promise<Uint8Array | void>;
    licenseResponseCallback?: (this: Hls, xhr: XMLHttpRequest, url: string, keyContext: MediaKeySessionContext) => ArrayBuffer;
    emeEnabled: boolean;
    widevineLicenseUrl?: string;
    drmSystems: DRMSystemsConfiguration | undefined;
    drmSystemOptions: DRMSystemOptions | undefined;
    requestMediaKeySystemAccessFunc: MediaKeyFunc | null;
    requireKeySystemAccessOnStart: boolean;
};

export declare const enum ErrorActionFlags {
    None = 0,
    MoveAllAlternatesMatchingHost = 1,
    MoveAllAlternatesMatchingHDCP = 2,
    MoveAllAlternatesMatchingKey = 4,
    SwitchToSDR = 8
}

export declare class ErrorController extends Logger implements NetworkComponentAPI {
    private readonly hls;
    private playlistError;
    constructor(hls: Hls);
    private registerListeners;
    private unregisterListeners;
    destroy(): void;
    startLoad(startPosition: number): void;
    stopLoad(): void;
    private getVariantLevelIndex;
    private getVariantIndex;
    private variantHasKey;
    private onManifestLoading;
    private onLevelUpdated;
    private onError;
    private getPlaylistRetryOrSwitchAction;
    private getFragRetryOrSwitchAction;
    private getLevelSwitchAction;
    onErrorOut(event: Events.ERROR, data: ErrorData): void;
    private sendAlternateToPenaltyBox;
    private switchLevel;
}

export declare interface ErrorData {
    type: ErrorTypes;
    details: ErrorDetails;
    error: Error;
    fatal: boolean;
    errorAction?: IErrorAction;
    buffer?: number;
    bufferInfo?: BufferInfo;
    bytes?: number;
    chunkMeta?: ChunkMetadata;
    context?: PlaylistLoaderContext;
    decryptdata?: LevelKey;
    event?: keyof HlsListeners | 'demuxerWorker';
    frag?: Fragment;
    part?: Part | null;
    level?: number | undefined;
    levelRetry?: boolean;
    loader?: Loader<LoaderContext>;
    networkDetails?: any;
    stalled?: {
        start: number;
    };
    stats?: LoaderStats;
    mimeType?: string;
    reason?: string;
    response?: LoaderResponse;
    url?: string;
    parent?: PlaylistLevelType;
    sourceBufferName?: SourceBufferName;
    interstitial?: InterstitialEvent;
    /**
     * @deprecated Use ErrorData.error
     */
    err?: {
        message: string;
    };
}

export declare enum ErrorDetails {
    KEY_SYSTEM_NO_KEYS = "keySystemNoKeys",
    KEY_SYSTEM_NO_ACCESS = "keySystemNoAccess",
    KEY_SYSTEM_NO_SESSION = "keySystemNoSession",
    KEY_SYSTEM_NO_CONFIGURED_LICENSE = "keySystemNoConfiguredLicense",
    KEY_SYSTEM_LICENSE_REQUEST_FAILED = "keySystemLicenseRequestFailed",
    KEY_SYSTEM_SERVER_CERTIFICATE_REQUEST_FAILED = "keySystemServerCertificateRequestFailed",
    KEY_SYSTEM_SERVER_CERTIFICATE_UPDATE_FAILED = "keySystemServerCertificateUpdateFailed",
    KEY_SYSTEM_SESSION_UPDATE_FAILED = "keySystemSessionUpdateFailed",
    KEY_SYSTEM_STATUS_OUTPUT_RESTRICTED = "keySystemStatusOutputRestricted",
    KEY_SYSTEM_STATUS_INTERNAL_ERROR = "keySystemStatusInternalError",
    KEY_SYSTEM_DESTROY_MEDIA_KEYS_ERROR = "keySystemDestroyMediaKeysError",
    KEY_SYSTEM_DESTROY_CLOSE_SESSION_ERROR = "keySystemDestroyCloseSessionError",
    KEY_SYSTEM_DESTROY_REMOVE_SESSION_ERROR = "keySystemDestroyRemoveSessionError",
    MANIFEST_LOAD_ERROR = "manifestLoadError",
    MANIFEST_LOAD_TIMEOUT = "manifestLoadTimeOut",
    MANIFEST_PARSING_ERROR = "manifestParsingError",
    MANIFEST_INCOMPATIBLE_CODECS_ERROR = "manifestIncompatibleCodecsError",
    LEVEL_EMPTY_ERROR = "levelEmptyError",
    LEVEL_LOAD_ERROR = "levelLoadError",
    LEVEL_LOAD_TIMEOUT = "levelLoadTimeOut",
    LEVEL_PARSING_ERROR = "levelParsingError",
    LEVEL_SWITCH_ERROR = "levelSwitchError",
    AUDIO_TRACK_LOAD_ERROR = "audioTrackLoadError",
    AUDIO_TRACK_LOAD_TIMEOUT = "audioTrackLoadTimeOut",
    SUBTITLE_LOAD_ERROR = "subtitleTrackLoadError",
    SUBTITLE_TRACK_LOAD_TIMEOUT = "subtitleTrackLoadTimeOut",
    FRAG_LOAD_ERROR = "fragLoadError",
    FRAG_LOAD_TIMEOUT = "fragLoadTimeOut",
    FRAG_DECRYPT_ERROR = "fragDecryptError",
    FRAG_PARSING_ERROR = "fragParsingError",
    FRAG_GAP = "fragGap",
    REMUX_ALLOC_ERROR = "remuxAllocError",
    KEY_LOAD_ERROR = "keyLoadError",
    KEY_LOAD_TIMEOUT = "keyLoadTimeOut",
    BUFFER_ADD_CODEC_ERROR = "bufferAddCodecError",
    BUFFER_INCOMPATIBLE_CODECS_ERROR = "bufferIncompatibleCodecsError",
    BUFFER_APPEND_ERROR = "bufferAppendError",
    BUFFER_APPENDING_ERROR = "bufferAppendingError",
    BUFFER_STALLED_ERROR = "bufferStalledError",
    BUFFER_FULL_ERROR = "bufferFullError",
    BUFFER_SEEK_OVER_HOLE = "bufferSeekOverHole",
    BUFFER_NUDGE_ON_STALL = "bufferNudgeOnStall",
    ASSET_LIST_LOAD_ERROR = "assetListLoadError",
    ASSET_LIST_LOAD_TIMEOUT = "assetListLoadTimeout",
    ASSET_LIST_PARSING_ERROR = "assetListParsingError",
    INTERSTITIAL_ASSET_ITEM_ERROR = "interstitialAssetItemError",
    INTERNAL_EXCEPTION = "internalException",
    INTERNAL_ABORTED = "aborted",
    ATTACH_MEDIA_ERROR = "attachMediaError",
    UNKNOWN = "unknown"
}

export declare enum ErrorTypes {
    NETWORK_ERROR = "networkError",
    MEDIA_ERROR = "mediaError",
    KEY_SYSTEM_ERROR = "keySystemError",
    MUX_ERROR = "muxError",
    OTHER_ERROR = "otherError"
}

export declare enum Events {
    MEDIA_ATTACHING = "hlsMediaAttaching",
    MEDIA_ATTACHED = "hlsMediaAttached",
    MEDIA_DETACHING = "hlsMediaDetaching",
    MEDIA_DETACHED = "hlsMediaDetached",
    MEDIA_ENDED = "hlsMediaEnded",
    STALL_RESOLVED = "hlsStallResolved",
    BUFFER_RESET = "hlsBufferReset",
    BUFFER_CODECS = "hlsBufferCodecs",
    BUFFER_CREATED = "hlsBufferCreated",
    BUFFER_APPENDING = "hlsBufferAppending",
    BUFFER_APPENDED = "hlsBufferAppended",
    BUFFER_EOS = "hlsBufferEos",
    BUFFERED_TO_END = "hlsBufferedToEnd",
    BUFFER_FLUSHING = "hlsBufferFlushing",
    BUFFER_FLUSHED = "hlsBufferFlushed",
    MANIFEST_LOADING = "hlsManifestLoading",
    MANIFEST_LOADED = "hlsManifestLoaded",
    MANIFEST_PARSED = "hlsManifestParsed",
    LEVEL_SWITCHING = "hlsLevelSwitching",
    LEVEL_SWITCHED = "hlsLevelSwitched",
    LEVEL_LOADING = "hlsLevelLoading",
    LEVEL_LOADED = "hlsLevelLoaded",
    LEVEL_UPDATED = "hlsLevelUpdated",
    LEVEL_PTS_UPDATED = "hlsLevelPtsUpdated",
    LEVELS_UPDATED = "hlsLevelsUpdated",
    AUDIO_TRACKS_UPDATED = "hlsAudioTracksUpdated",
    AUDIO_TRACK_SWITCHING = "hlsAudioTrackSwitching",
    AUDIO_TRACK_SWITCHED = "hlsAudioTrackSwitched",
    AUDIO_TRACK_LOADING = "hlsAudioTrackLoading",
    AUDIO_TRACK_LOADED = "hlsAudioTrackLoaded",
    AUDIO_TRACK_UPDATED = "hlsAudioTrackUpdated",
    SUBTITLE_TRACKS_UPDATED = "hlsSubtitleTracksUpdated",
    SUBTITLE_TRACKS_CLEARED = "hlsSubtitleTracksCleared",
    SUBTITLE_TRACK_SWITCH = "hlsSubtitleTrackSwitch",
    SUBTITLE_TRACK_LOADING = "hlsSubtitleTrackLoading",
    SUBTITLE_TRACK_LOADED = "hlsSubtitleTrackLoaded",
    SUBTITLE_TRACK_UPDATED = "hlsSubtitleTrackUpdated",
    SUBTITLE_FRAG_PROCESSED = "hlsSubtitleFragProcessed",
    CUES_PARSED = "hlsCuesParsed",
    NON_NATIVE_TEXT_TRACKS_FOUND = "hlsNonNativeTextTracksFound",
    INIT_PTS_FOUND = "hlsInitPtsFound",
    FRAG_LOADING = "hlsFragLoading",
    FRAG_LOAD_EMERGENCY_ABORTED = "hlsFragLoadEmergencyAborted",
    FRAG_LOADED = "hlsFragLoaded",
    FRAG_DECRYPTED = "hlsFragDecrypted",
    FRAG_PARSING_INIT_SEGMENT = "hlsFragParsingInitSegment",
    FRAG_PARSING_USERDATA = "hlsFragParsingUserdata",
    FRAG_PARSING_METADATA = "hlsFragParsingMetadata",
    FRAG_PARSED = "hlsFragParsed",
    FRAG_BUFFERED = "hlsFragBuffered",
    FRAG_CHANGED = "hlsFragChanged",
    FPS_DROP = "hlsFpsDrop",
    FPS_DROP_LEVEL_CAPPING = "hlsFpsDropLevelCapping",
    MAX_AUTO_LEVEL_UPDATED = "hlsMaxAutoLevelUpdated",
    ERROR = "hlsError",
    DESTROYING = "hlsDestroying",
    KEY_LOADING = "hlsKeyLoading",
    KEY_LOADED = "hlsKeyLoaded",
    LIVE_BACK_BUFFER_REACHED = "hlsLiveBackBufferReached",
    BACK_BUFFER_REACHED = "hlsBackBufferReached",
    STEERING_MANIFEST_LOADED = "hlsSteeringManifestLoaded",
    ASSET_LIST_LOADING = "hlsAssetListLoading",
    ASSET_LIST_LOADED = "hlsAssetListLoaded",
    INTERSTITIALS_UPDATED = "hlsInterstitialsUpdated",
    INTERSTITIALS_BUFFERED_TO_BOUNDARY = "hlsInterstitialsBufferedToBoundary",
    INTERSTITIAL_ASSET_PLAYER_CREATED = "hlsInterstitialAssetPlayerCreated",
    INTERSTITIAL_STARTED = "hlsInterstitialStarted",
    INTERSTITIAL_ASSET_STARTED = "hlsInterstitialAssetStarted",
    INTERSTITIAL_ASSET_ENDED = "hlsInterstitialAssetEnded",
    INTERSTITIAL_ASSET_ERROR = "hlsInterstitialAssetError",
    INTERSTITIAL_ENDED = "hlsInterstitialEnded",
    INTERSTITIALS_PRIMARY_RESUMED = "hlsInterstitialsPrimaryResumed",
    PLAYOUT_LIMIT_REACHED = "hlsPlayoutLimitReached",
    EVENT_CUE_ENTER = "hlsEventCueEnter"
}

export declare class EwmaBandWidthEstimator {
    private defaultEstimate_;
    private minWeight_;
    private minDelayMs_;
    private slow_;
    private fast_;
    private defaultTTFB_;
    private ttfb_;
    constructor(slow: number, fast: number, defaultEstimate: number, defaultTTFB?: number);
    update(slow: number, fast: number): void;
    sample(durationMs: number, numBytes: number): void;
    sampleTTFB(ttfb: number): void;
    canEstimate(): boolean;
    getEstimate(): number;
    getEstimateTTFB(): number;
    get defaultEstimate(): number;
    destroy(): void;
}

export declare type ExtendedSourceBuffer = SourceBuffer & {
    onbufferedchange?: ((this: SourceBuffer, ev: Event) => any) | null;
};

export declare class FetchLoader implements Loader<LoaderContext> {
    private fetchSetup;
    private requestTimeout?;
    private request;
    private response;
    private controller;
    context: LoaderContext | null;
    private config;
    private callbacks;
    stats: LoaderStats;
    private loader;
    constructor(config: HlsConfig);
    destroy(): void;
    abortInternal(): void;
    abort(): void;
    load(context: LoaderContext, config: LoaderConfiguration, callbacks: LoaderCallbacks<LoaderContext>): void;
    getCacheAge(): number | null;
    getResponseHeader(name: string): string | null;
    private loadProgressively;
}

export declare class FPSController implements ComponentAPI {
    private hls;
    private isVideoPlaybackQualityAvailable;
    private timer?;
    private media;
    private lastTime;
    private lastDroppedFrames;
    private lastDecodedFrames;
    private streamController;
    constructor(hls: Hls);
    setStreamController(streamController: StreamController): void;
    protected registerListeners(): void;
    protected unregisterListeners(): void;
    destroy(): void;
    protected onMediaAttaching(event: Events.MEDIA_ATTACHING, data: MediaAttachingData): void;
    private onMediaDetaching;
    checkFPS(video: HTMLVideoElement, decodedFrames: number, droppedFrames: number): void;
    checkFPSInterval(): void;
}

export declare type FPSControllerConfig = {
    capLevelOnFPSDrop: boolean;
    fpsDroppedMonitoringPeriod: number;
    fpsDroppedMonitoringThreshold: number;
};

export declare interface FPSDropData {
    currentDropped: number;
    currentDecoded: number;
    totalDroppedFrames: number;
}

export declare interface FPSDropLevelCappingData {
    droppedLevel: number;
    level: number;
}

export declare interface FragBufferedData {
    stats: LoadStats;
    frag: Fragment;
    part: Part | null;
    id: string;
}

export declare interface FragChangedData {
    frag: Fragment;
}

export declare interface FragDecryptedData {
    frag: Fragment;
    payload: ArrayBuffer;
    stats: {
        tstart: number;
        tdecrypt: number;
    };
}

export declare interface FragLoadedData {
    frag: Fragment;
    part: Part | null;
    payload: ArrayBuffer;
    networkDetails: unknown;
}

export declare interface FragLoadEmergencyAbortedData {
    frag: Fragment;
    part: Part | null;
    stats: LoaderStats;
}

export declare interface FragLoadFailResult extends ErrorData {
    frag: Fragment;
    part?: Part;
    response?: {
        data: any;
        code: number;
        text: string;
        url: string;
    };
    networkDetails: any;
}

export declare interface FragLoadingData {
    frag: Fragment;
    part?: Part;
    targetBufferTime: number | null;
}

/**
 * Object representing parsed data from an HLS Segment. Found in {@link hls.js#LevelDetails.fragments}.
 */
export declare class Fragment extends BaseSegment {
    private _decryptdata;
    private _programDateTime;
    private _ref;
    private _bitrate?;
    rawProgramDateTime: string | null;
    tagList: Array<string[]>;
    duration: number;
    sn: number | 'initSegment';
    levelkeys?: {
        [key: string]: LevelKey | undefined;
    };
    readonly type: PlaylistLevelType;
    loader: Loader<FragmentLoaderContext> | null;
    keyLoader: Loader<KeyLoaderContext> | null;
    level: number;
    cc: number;
    startPTS?: number;
    endPTS?: number;
    startDTS?: number;
    endDTS?: number;
    start: number;
    playlistOffset: number;
    deltaPTS?: number;
    maxStartPTS?: number;
    minEndPTS?: number;
    data?: Uint8Array;
    bitrateTest: boolean;
    title: string | null;
    initSegment: Fragment | null;
    endList?: boolean;
    gap?: boolean;
    urlId: number;
    constructor(type: PlaylistLevelType, base: Base | string);
    get byteLength(): number | null;
    get bitrate(): number | null;
    set bitrate(value: number);
    get decryptdata(): LevelKey | null;
    get end(): number;
    get endProgramDateTime(): number | null;
    get encrypted(): boolean;
    get programDateTime(): number | null;
    set programDateTime(value: number | null);
    get ref(): MediaFragmentRef | null;
    addStart(value: number): void;
    setStart(value: number): void;
    setDuration(value: number): void;
    setKeyFormat(keyFormat: KeySystemFormats): void;
    abortRequests(): void;
    setElementaryStreamInfo(type: ElementaryStreamTypes, startPTS: number, endPTS: number, startDTS: number, endDTS: number, partial?: boolean): void;
}

export declare class FragmentLoader {
    private readonly config;
    private loader;
    private partLoadTimeout;
    constructor(config: HlsConfig);
    destroy(): void;
    abort(): void;
    load(frag: Fragment, onProgress?: FragmentLoadProgressCallback): Promise<FragLoadedData>;
    loadPart(frag: Fragment, part: Part, onProgress: FragmentLoadProgressCallback): Promise<FragLoadedData>;
    private updateStatsFromPart;
    private resetLoader;
}

/**
 * @deprecated use fragLoadPolicy.default
 */
export declare type FragmentLoaderConfig = {
    fragLoadingTimeOut: number;
    fragLoadingMaxRetry: number;
    fragLoadingRetryDelay: number;
    fragLoadingMaxRetryTimeout: number;
};

export declare in