matrix-js-sdk/lib/webrtc/callFeed.d.ts

Matrix Client-Server SDK for Javascript

import { SDPStreamMetadataPurpose } from "./callEventTypes";
import { MatrixClient } from "../client";
import { RoomMember } from "../models/room-member";
import { TypedEventEmitter } from "../models/typed-event-emitter";
export declare const SPEAKING_THRESHOLD = -60;
export interface ICallFeedOpts {
    client: MatrixClient;
    roomId: string;
    userId: string;
    stream: MediaStream;
    purpose: SDPStreamMetadataPurpose;
    /**
     * Whether or not the remote SDPStreamMetadata says audio is muted
     */
    audioMuted: boolean;
    /**
     * Whether or not the remote SDPStreamMetadata says video is muted
     */
    videoMuted: boolean;
}
export declare enum CallFeedEvent {
    NewStream = "new_stream",
    MuteStateChanged = "mute_state_changed",
    VolumeChanged = "volume_changed",
    Speaking = "speaking"
}
declare type EventHandlerMap = {
    [CallFeedEvent.NewStream]: (stream: MediaStream) => void;
    [CallFeedEvent.MuteStateChanged]: (audioMuted: boolean, videoMuted: boolean) => void;
    [CallFeedEvent.VolumeChanged]: (volume: number) => void;
    [CallFeedEvent.Speaking]: (speaking: boolean) => void;
};
export declare class CallFeed extends TypedEventEmitter<CallFeedEvent, EventHandlerMap> {
    stream: MediaStream;
    userId: string;
    purpose: SDPStreamMetadataPurpose;
    speakingVolumeSamples: number[];
    private client;
    private roomId;
    private audioMuted;
    private videoMuted;
    private measuringVolumeActivity;
    private audioContext;
    private analyser;
    private frequencyBinCount;
    private speakingThreshold;
    private speaking;
    private volumeLooperTimeout;
    constructor(opts: ICallFeedOpts);
    private get hasAudioTrack();
    private updateStream;
    private initVolumeMeasuring;
    private onAddTrack;
    /**
     * Returns callRoom member
     * @returns member of the callRoom
     */
    getMember(): RoomMember;
    /**
     * Returns true if CallFeed is local, otherwise returns false
     * @returns {boolean} is local?
     */
    isLocal(): boolean;
    /**
     * Returns true if audio is muted or if there are no audio
     * tracks, otherwise returns false
     * @returns {boolean} is audio muted?
     */
    isAudioMuted(): boolean;
    /**
     * Returns true video is muted or if there are no video
     * tracks, otherwise returns false
     * @returns {boolean} is video muted?
     */
    isVideoMuted(): boolean;
    isSpeaking(): boolean;
    /**
     * Replaces the current MediaStream with a new one.
     * This method should be only used by MatrixCall.
     * @param newStream new stream with which to replace the current one
     */
    setNewStream(newStream: MediaStream): void;
    /**
     * Set feed's internal audio mute state
     * @param muted is the feed's audio muted?
     */
    setAudioMuted(muted: boolean): void;
    /**
     * Set feed's internal video mute state
     * @param muted is the feed's video muted?
     */
    setVideoMuted(muted: boolean): void;
    /**
     * Starts emitting volume_changed events where the emitter value is in decibels
     * @param enabled emit volume changes
     */
    measureVolumeActivity(enabled: boolean): void;
    setSpeakingThreshold(threshold: number): void;
    private volumeLooper;
    dispose(): void;
}
export {};
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