import FlvHeader from "./flv/FlvHeader.ts";
import FlvScriptTag from "./flv/FlvScriptTag.ts";
import type { AVIFormatContext } from "../AVFormatContext.ts";
import IFormat from "./IFormat.ts";
import { AVFormat, type AVPacket, type AVStream } from "@libmedia/avutil";
export interface IFlvFormatOptions {
    /**
     * 使用纳秒时间戳
     */
    useNanoTimestamp?: boolean;
}
export default class IFlvFormat extends IFormat {
    type: AVFormat;
    header: FlvHeader;
    script: FlvScriptTag;
    options: IFlvFormatOptions;
    private firstTagPos;
    constructor(options?: IFlvFormatOptions);
    init(formatContext: AVIFormatContext): void;
    readHeader(formatContext: AVIFormatContext): Promise<number>;
    private readModEx;
    private readCodecConfigurationRecord;
    private readAVPacketData;
    private parseColorInfo;
    private findStream;
    private createStream;
    private readAVPacket_;
    readAVPacket(formatContext: AVIFormatContext, avpacket: pointer<AVPacket>): Promise<number>;
    syncTag(formatContext: AVIFormatContext): Promise<void>;
    seek(formatContext: AVIFormatContext, stream: AVStream, timestamp: int64, flags: int32): Promise<int64>;
    getAnalyzeStreamsCount(): number;
}