/*!
 * Copyright (c) 2026-present, Vanilagy and contributors
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/.
 */
import { AudioCodec, AudioSample, CustomAudioEncoder, type MaybePromise } from 'mediabunny';
import * as NodeAv from 'node-av';
import { AdtsHeaderTemplate } from '../../../shared/aac-misc';
export declare class NodeAvAudioEncoder extends CustomAudioEncoder {
    frame: NodeAv.Frame;
    packet: NodeAv.Packet;
    codecContext: NodeAv.CodecContext | null;
    resampler: NodeAv.SoftwareResampleContext | null;
    dstFrame: NodeAv.Frame | null;
    avCodec: NodeAv.Codec;
    inputParametersKey: string | null;
    resamplerInputSampleRate: number | null;
    nextResamplerPts: bigint | null;
    packetEmitted: boolean;
    adtsHeaderTemplate: AdtsHeaderTemplate | null;
    static supports(codec: AudioCodec, config: AudioEncoderConfig): boolean;
    init(): Promise<void>;
    createCodecContext(): Promise<void>;
    encode(audioSample: AudioSample): Promise<void>;
    pullResampledFrames(): Promise<void>;
    sendFrameAndReceivePackets(frame: NodeAv.Frame | null): Promise<void>;
    receivePacket(ret: number): void;
    flush(): Promise<void>;
    close(): MaybePromise<void>;
}
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