/// <reference types="node" />
/// <reference types="node" />
import { MediaDevices, Navigator } from '../imports/mediasoup';
import { LocalMediaStreamOptions } from './stream';
import { LocalAudioStream } from './stream/local/audio';
import { DataStreamOptions, LocalDataStream } from './stream/local/data';
import { LocalVideoStream } from './stream/local/video';
export declare class StreamFactory {
    readonly navigator: Navigator;
    private gst;
    constructor(props?: ConstructorParameters<typeof Navigator>[0]);
    registerMediaDevices(props: ConstructorParameters<typeof MediaDevices>[0]): void;
    registerNodeGtkGst(gst: any): void;
    registerAudioTestSrc({ wave, rtpProcessor, gst, }?: {
        wave?: string;
        rtpProcessor?: (b: Buffer) => Buffer;
        gst?: any;
    }): Promise<() => void>;
    registerVideoTestSrc({ keyframeIntervalSec, codec, gst, }: {
        keyframeIntervalSec?: number;
        codec: 'vp8' | 'h264';
        gst?: any;
    }): Promise<() => void>;
    /**
     * @description [japanese] CameraのVideoStreamを作成する
     */
    createCameraVideoStream(options?: VideoMediaTrackConstraints & Partial<LocalMediaStreamOptions>): Promise<LocalVideoStream>;
    /**
     * @description [japanese] マイクのAudioStreamを作成する
     */
    createMicrophoneAudioStream(options?: AudioMediaTrackConstraints & Partial<LocalMediaStreamOptions>): Promise<LocalAudioStream>;
    /**
     * @description [japanese]
     * PCブラウザでのみ利用可能なAPI。
     * VideoStreamは常に取得される（AudioStreamのみ取得することはできない）
     * audioオプションを有効にするとAudioStreamを取得することができる。
     * audioオプションはWindowsのChromeにしか対応しておらず、
     * それ以外の環境では有効にしても戻り値のaudioにはundefinedが返される。
     */
    createDisplayStreams<T extends DisplayStreamOptions>(options?: T): Promise<{
        video: LocalVideoStream;
        audio: T extends {
            audio: infer U;
        } ? U extends false | undefined | null ? undefined : LocalAudioStream | undefined : undefined;
    }>;
    /**
     * @description [japanese] DataStreamを作成する
     */
    createDataStream(options?: DataStreamOptions): Promise<LocalDataStream>;
    /**
     * @description [japanese] CameraのVideoStreamとマイクのAudioStreamを作成する
     */
    createMicrophoneAudioAndCameraStream({ audio, video, }?: {
        audio?: AudioMediaTrackConstraints & Partial<LocalMediaStreamOptions>;
        video?: VideoMediaTrackConstraints & Partial<LocalMediaStreamOptions>;
    }): Promise<{
        audio: LocalAudioStream;
        video: LocalVideoStream;
    }>;
}
export declare const SkyWayStreamFactory: StreamFactory;
/**@internal */
export declare class MediaDevice {
    id: string;
    label: string;
    kind: MediaDeviceKind;
    /**@private */
    constructor(info: MediaDeviceInfo);
}
/**
 * @description [japanese] ブラウザによって対応しているパラメータが異なるので、必要に応じて確認してください
 */
export declare type VideoMediaTrackConstraints = {
    aspectRatio?: ConstrainDouble;
    facingMode?: ConstrainDOMString;
    frameRate?: ConstrainDouble;
    height?: ConstrainULong;
    width?: ConstrainULong;
    deviceId?: ConstrainDOMString;
};
/**
 * @description [japanese] ブラウザによって対応しているパラメータが異なるので、必要に応じて確認してください
 */
export declare type AudioMediaTrackConstraints = {
    autoGainControl?: ConstrainBoolean;
    channelCount?: ConstrainULong;
    echoCancellation?: ConstrainBoolean;
    latency?: ConstrainDouble;
    noiseSuppression?: ConstrainBoolean;
    sampleRate?: ConstrainULong;
    sampleSize?: ConstrainULong;
    suppressLocalAudioPlayback?: ConstrainBoolean;
    deviceId?: ConstrainDOMString;
    /**
     * @description [english] Non-standard. Check browser support before using.
     */
    volume?: number;
};
export declare type DisplayMediaTrackConstraints = VideoMediaTrackConstraints & {
    /** @description [japanese] 選択画面で最初に表示するキャプチャー対象の指定*/
    displaySurface?: 'monitor' | 'window' | 'browser';
};
export declare type DisplayStreamOptions = {
    audio?: (AudioMediaTrackConstraints & Partial<Pick<LocalMediaStreamOptions, 'stopTrackWhenDisabled'>>) | boolean;
    video?: DisplayMediaTrackConstraints & VideoMediaTrackConstraints & Partial<Pick<LocalMediaStreamOptions, 'stopTrackWhenDisabled'>>;
};
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