import type { VIDEO_CONSTRAINS } from '../consts';
import type { SimulcastProfile } from '../types';
export declare type VideoResolutionType = keyof typeof VIDEO_CONSTRAINS;
export interface TailchatMeetingClientSettings {
    resolution: VideoResolutionType;
    aspectRatio: number;
    /**
     * 视频帧率
     */
    frameRate: number;
    /**
     * 是否开启联播
     */
    simulcast: boolean;
    /**
     * 是否联播屏幕共享
     */
    simulcastSharing: boolean;
    simulcastProfiles: Record<string, SimulcastProfile[]>;
    /**
     * 自动增益控制
     */
    autoGainControl: boolean;
    /**
     * 回声消除
     */
    echoCancellation: boolean;
    /**
     * 噪音抑制
     */
    noiseSuppression: boolean;
    /**
     * 音频采样率
     */
    sampleRate: 48000 | 44100;
    /**
     * 音频频道数
     */
    channelCount: number;
    /**
     * 采样大小
     */
    sampleSize: number;
    opusStereo: boolean;
    opusDtx: boolean;
    opusFec: boolean;
    opusPtime: number;
    opusMaxPlaybackRate: number;
    /**
     * 屏幕共享的分辨率
     */
    screenSharingResolution: VideoResolutionType;
    /**
     * 屏幕共享的帧率
     */
    screenSharingFrameRate: number;
}
export declare const defaultSettings: TailchatMeetingClientSettings;