import { type ChannelMediaOptions, type EncodingPreference, type IRtcEngineEx, type MediaSourceType, type VideoSourceType, type VideoViewSetupMode, type Size } from 'shengwang-electron-sdk';
import { AgoraRtcConnection, AgoraRtcDeviceInfo, AgoraRtcMediaSourceIndex, AgoraRtcRenderMode, AgoraRtcRenderResultType, AgoraRtcRenderSourceType, AgoraRtcVideoEncoderConfiguration, AgoraRtcRegion, AgoraRtcStreamLayer } from '../../../core/rtc/type';
import { AgoraRtcCanvasHelper, AgoraRtcCanvasTagPool } from '../../../core/rtc/canvas';
import { AgoraRtcSourceManager } from '../../../core/rtc/source-manager';
import { AgoraRtcError } from './type';
import { Logger } from '../../../imports';
export declare const createInvalidParamsError: (errorMessage: string) => AgoraRtcError;
export type VideoRenderParams = {
    rtcEngine: IRtcEngineEx;
    sourceId: string;
    view: HTMLElement;
    renderMode: AgoraRtcRenderMode;
    isMirror: boolean;
    sourceType: AgoraRtcRenderSourceType;
    canvasHelper: AgoraRtcCanvasHelper;
    canvasTagPool: AgoraRtcCanvasTagPool;
    sourceManager: AgoraRtcSourceManager;
    connection?: AgoraRtcConnection;
};
type VideoEncoderParams = {
    config: AgoraRtcVideoEncoderConfiguration;
    streamLayer: AgoraRtcStreamLayer;
    rtcEngine: IRtcEngineEx;
    rtcConnection: AgoraRtcConnection;
    encodingPreference?: EncodingPreference;
};
/**
 * 将摄像头源类型转换为发布配置
 * @param sourceType - 摄像头源类型
 * @param publish - 是否发布
 * @returns 频道媒体选项
 */
export declare const convertCameraSourceTypeToPublishConfig: (sourceType: VideoSourceType, publish: boolean) => ChannelMediaOptions;
/**
 * 摄像头视频源类型列表
 */
export declare const cameraVideoSourceTypes: readonly [0, 1, 11, 12];
/**
 * 比较两个设备信息 Map，返回新增和移除的设备列表
 * @param oldMap - 旧设备信息 Map
 * @param newMap - 新设备信息 Map
 * @returns 新增和移除的设备列表
 */
export declare const diffMap: (oldMap: Map<string, AgoraRtcDeviceInfo>, newMap: Map<string, AgoraRtcDeviceInfo>) => {
    addedList: string[];
    removedList: string[];
};
/**
 * 将源索引转换为源类型
 * @param index - 摄像头源索引
 * @returns 视频源类型
 */
export declare const convertSourceIndexToSourceType: (index: AgoraRtcMediaSourceIndex) => VideoSourceType;
/**
 * 将源类型转换为源索引（反向映射）
 * @param sourceType - 视频源类型
 * @returns 摄像头源索引
 */
export declare const convertSourceTypeToSourceIndex: (sourceType: VideoSourceType) => AgoraRtcMediaSourceIndex;
/**
 * 将源索引转换为媒体源类型
 * @param index - 摄像头源索引
 * @returns 媒体源类型
 */
export declare const convertSourceIndexToMediaSourceType: (index: AgoraRtcMediaSourceIndex) => MediaSourceType;
/**
 * 将渲染类型转换为设置模式
 * @param renderType - 渲染结果类型
 * @returns 视频视图设置模式
 */
export declare const convertRenderTypeToSetupMode: (renderType: AgoraRtcRenderResultType) => VideoViewSetupMode;
export declare const VOLUME_INDICATION_INTERVAL = 66;
export declare const VOLUME_INDICATION_SMOOTH = 2;
export declare const VIDEO_PLACEMENT_REF_CLASSNAME = "rtc-video-placement";
/**
 * 创建视频渲染器占位元素
 * @param view - 父视图元素
 * @returns 创建的占位元素
 */
export declare const createVideoRendererPlacement: (view: HTMLElement) => HTMLElement;
/**
 * 开始视频渲染
 * @param params - 视频渲染参数
 * @returns 渲染结果代码
 */
export declare const startVideoRender: ({ rtcEngine, sourceId, view, renderMode, isMirror, sourceType, canvasHelper, canvasTagPool, sourceManager, connection, }: VideoRenderParams, logger: Logger) => number;
/**
 * 设置视频编码器配置
 * @param params - 视频编码器参数
 * @returns 设置结果代码
 */
export declare const setVideoEncoderConfig: ({ config, streamLayer, rtcEngine, rtcConnection, encodingPreference }: VideoEncoderParams, logger: Logger) => number;
export declare const disableDualStream: (rtcEngine: IRtcEngineEx, rtcConnection: AgoraRtcConnection, lowVideoEncoderConfig: AgoraRtcVideoEncoderConfiguration, logger: Logger) => number;
export declare const defaultThumbSize: Size;
export declare const defaultWindowIconSize: Size;
export declare const defaultDisplayIconSize: Size;
/**
 * 加载 Electron SDK
 * @returns SDK 实例或 undefined
 */
export declare const loadElectronSdk: (logger: Logger) => any;
/**
 * 解析默认日志路径
 * @returns 日志文件路径
 */
export declare const resolveDefaultLogsPath: () => string;
/**
 * 将区域映射到区域代码
 * @param region - Agora RTC 区域
 * @returns 区域代码
 */
export declare const mapRegionToAreaCode: (region: AgoraRtcRegion) => number;
/**
 * 解析域名限制配置
 * @param domainLimit - 域名限制配置
 * @param logger - 日志记录器
 * @returns 解析后的域名限制配置
 */
export declare const resolveDomainLimit: (domainLimit: boolean | undefined, logger: Logger) => boolean;
/**
 * 判断 element 是否是 HTMLElement 类型
 * @param element - 要检查的元素
 * @returns 如果是 HTMLElement 类型则返回 true，否则返回 false
 * @description 子窗口和主窗口不在同一个上下文中，子窗口的 Dom 通过 instanceof HTMLElement 判断会失效，需要通过属性判断。
 * @description 如果属性看起来像是 HTMLElement。 那么就当它是 HTMLElement 类型。
 *
 */
export declare const isHTMLElement: (element: any) => boolean;
export {};