Open source audio and video streaming platform, including Client/server

            
/**
* Turn on the local camera
* 
* @param {(string | HTMLElement)} element
*/
async startCameraPreview(element: string | HTMLElement) {
if (!this.hasVideoTrack) {
    await this._startLocalVideo();
}
this._startLocalPreview(element);
// If there are any unpublished tracks, publish them
this._publishLocalTracks();
}

/**
*
*
*/
async stopCameraPreview() {
if (this.hasVideoTrack) {
    this._stopLocalPreview();
}
}

async startMicrophone() {
await this._startLocalAudio();
// If there are any unpublished tracks, publish them
this._publishLocalTracks();
}

stopMicrophone() {
if (this.hasAudioTrack) {
    this._stopLocalAudio();
}
}

getLocalAudioVolumeLevel() {
return this._localAudioTrack ? this._localAudioTrack.getVolumeLevel() : 0;
}

async muteLocalCamera(mute: boolean) {
// When the camera is on and there is no track
if (!mute && !this.hasVideoTrack) {
    await this._startLocalVideo();
    this._publishLocalTracks();
} else {
    this._muteLocalVideo(mute);
}
}

async muteLocalMicrophone(mute: boolean) {
// When the camera is on and there is no track
if (!mute && !this.hasAudioTrack) {
    await this._startLocalAudio();
    this._publishLocalTracks();
} else {
    this._muteLocalAudio(mute);
}
}

/**
* Starts to preview the local camera
*
* @param {(string | HTMLElement)} element
* @param {VideoPlayerConfig} [config]
*/
async startRemotePreview(userId: string, element: string | HTMLElement, config?: VideoPlayerConfig) {
const remoteUserTrack = this._remoteUsers.get(userId);

if (remoteUserTrack) {
    remoteUserTrack.videoTrack?.play(element, config);
}
}