import { Stream } from 'nertc-web-sdk/types/stream';
import { JoinOptions, NeRtcServerAddresses, StreamOptions } from 'nertc-web-sdk/types/types';
export interface RTCChannelInfo {
    /**
     * 频道ID，可用于服务端API调用。
     */
    cid: number;
    /**
     * 用户输入的频道名。
     */
    channelName: string;
    /**
     * 用户输入的id。当用户输入的uid为0时，则可获取服务端随机分配的uid。
     */
    uid: number | string;
    /**
     * 用户输入的token。
     */
    token: string;
}
export declare enum VIDEO_QUALITY {
    VIDEO_QUALITY_1080p,
    VIDEO_QUALITY_720p,
    VIDEO_QUALITY_480p,
    VIDEO_QUALITY_180p
}
export declare enum VIDEO_FRAME_RATE {
    CHAT_VIDEO_FRAME_RATE_NORMAL,
    CHAT_VIDEO_FRAME_RATE_5,
    CHAT_VIDEO_FRAME_RATE_10,
    CHAT_VIDEO_FRAME_RATE_15,
    CHAT_VIDEO_FRAME_RATE_20,
    CHAT_VIDEO_FRAME_RATE_25
}
export type AUDIO_QUALITY = 'speech_low_quality' | 'speech_standard' | 'music_standard' | 'standard_stereo' | 'high_quality' | 'high_quality_stereo';
export type RTCConfig = {
    videoResolution?: VIDEO_QUALITY;
    videoFrameRate?: VIDEO_FRAME_RATE;
    audioQuality?: AUDIO_QUALITY;
    neRtcServerAddresses?: NeRtcServerAddresses;
    getToken?: (opt: JoinOptions) => Promise<string>;
    streamOptions?: StreamOptions;
};
export type RTCConnectionState = 'DISCONNECTED' | 'CONNECTING' | 'CONNECTED' | 'DISCONNECTING';
export interface RTCControllerEvents {
    streamAdd: [stream: Stream];
    streamSubscribed: [stream: Stream];
    peerLeave: [uid: string | number];
    peerOnline: [uid: string | number];
    error: [errorName: string];
    /** 频道被关闭（对应 nertc-web-sdk channel-closed 事件） */
    channelClosed: [];
    /** 用户被踢出频道（对应 nertc-web-sdk client-banned 事件） */
    clientBanned: [];
    /** 媒体轨道异常终止（如设备断开） */
    trackEnded: [data: {
        mediaType: 'audio' | 'video';
    }];
    /** 网络连接状态变化 */
    connectionStateChange: [data: {
        prevState: RTCConnectionState;
        curState: RTCConnectionState;
        reconnect: boolean;
    }];
    /** 媒体设备权限被拒绝 */
    accessDenied: [data: {
        mediaType: 'audio' | 'video';
    }];
    /** 未找到媒体设备 */
    notFound: [data: {
        mediaType: 'audio' | 'video';
    }];
    /** 媒体设备被占用 */
    beOccupied: [data: {
        mediaType: 'audio' | 'video';
    }];
    /** 系统中断媒体采集 */
    abortError: [data: {
        mediaType: 'audio' | 'video';
    }];
    /** 未知媒体错误 */
    unknownError: [data: {
        mediaType: 'audio' | 'video';
    }];
    /** 远端用户视频静音/取消静音 */
    videoMuteOrUnmute: [mute: boolean];
}