call-twilio-video.js

// function to connect
const initLoad = useCallback(async () => {
    if (!info) return history.push(commom.CONFIG_ERROR);
    const room1 = await connect(info.joinInfo.attendee.jwtToken, {
      video: { deviceId: videoInputDevice },
      audio: { deviceId: audioInputDevice },
      name: info.meetingId,
      networkQuality: {
        local: 2,
        remote: 1,
      },
    });
    setClientIdentity(info?.user?.name);
    setRoom(room1);
    if (currentStream.active) currentStream.active.stop();
    const track = await createLocalVideoTrack({
      deviceId: {
        exact: videoInputDevice,
      },
    });
    setTrackLocal(track);
    refVideoClient.current.appendChild(track.attach());
  }, [audioInputDevice, info, videoInputDevice]);

//function to events of room
useEffect(() => {
    if (!room) return;
    room.participants.forEach(addParticipant);
    room.on('participantConnected', addParticipant);
    room.on('participantDisconnected', participantDisconnected);
    room.once('disconnected', () => {
      // endMeeting(info);
      setShowModal(SET_ACTIVE_MODAL.endCall);
      setRemoteIdentity(false);
      console.log('Você saiu da sala:', room.name);
    });
    room.on('trackUnsubscribed', track => {
      track.detach().forEach(mediaElement => {
        mediaElement.remove();
      });
    });
    room.localParticipant.on(
      'networkQualityLevelChanged',
      printNetworkQualityStatsLocal
    );
  }, [addParticipant, info, room]);

//as I would do for no click. of a button can I stop my current camera and switch to the other one?
I've tried several times without success = /