import OFormat from "./OFormat.ts";
import FlvHeader from "./flv/FlvHeader.ts";
import FlvScriptTag from "./flv/FlvScriptTag.ts";
import type { AVOFormatContext } from "../AVFormatContext.ts";
import { AVFormat, AVCodecID, type AVPacket } from "@libmedia/avutil";
export interface OFlvFormatOptions {
    addKeyframePositions?: boolean;
    live?: boolean;
    enableNanoTimestamp?: boolean;
    useLegacyHevc?: boolean;
}
export default class OFlvFormat extends OFormat {
    type: AVFormat;
    private context;
    header: FlvHeader;
    script: FlvScriptTag;
    options: OFlvFormatOptions;
    private annexb2AvccFilter;
    private avpacket;
    private headerWriter;
    private headerBuffers;
    constructor(options?: OFlvFormatOptions);
    private getDefaultStream;
    private isEnhancedStream;
    init(formatContext: AVOFormatContext): number;
    destroy(formatContext: AVOFormatContext): Promise<void>;
    private writeMetadata;
    private writeMultichannelConfig;
    writeHeader(formatContext: AVOFormatContext): number;
    private isNewExtradata;
    writeAVPacket(formatContext: AVOFormatContext, avpacket: pointer<AVPacket>): number;
    writeTrailer(formatContext: AVOFormatContext): number;
    flush(context: AVOFormatContext): number;
    getCapabilities(): AVCodecID[];
    static Capabilities: AVCodecID[];
}