ViewController.swift

func initializeAgoraEngine() {
   agoraKit = AgoraRtcEngineKit.sharedEngine(withAppId: "YOUR_AGORA_APP_ID", delegate: self)




   agoraKit?.enableVideo() // - enable video
   agoraKit?.setVideoSource(self.videoSource) // - set the video source to the custom source


   agoraKit?.enableWebSdkInteroperability(true)
   agoraKit?.setChannelProfile(.liveBroadcasting)
   if let channel = roomName {
       agoraKit?.joinChannel(byToken: nil, channelId: channel, info: nil, uid: 0, joinSuccess: { (channel, uid, elapsed) in
           print("Join channel success")
       })
   }
}