On / Off Camera - iOS

Any participant can turn their camera on or off in the meeting using below methods.

enableWebcam()

• By using enableWebcam() function of Meeting class, local participant can publish video to other participants.

• You can call this method when the local participant is not broadcasting any video to others.

• You can pass customised video track in enableWebcam() by using Custom Video Track.

• Video stream of the participant can be accessed from the onStreamEnabled event of ParticipantEventListener.

disableWebcam()

• By using disableWebcam() function of Meeting class, local participant can stop publish video to other participants.

• You can call this method when the local participant is broadcasting any video to others.

info

From version 2.1.5 of the SDK, you can now use the hardware-accelerated codec (H.264) with VideoSDK.createCameraVideoTrack(), which can enhance compresses video data for efficient transmission over the internet, balancing quality and bandwidth usage.

Swift

@IBAction func videoButtonTapped(_ sender: Any) {
    if !videoEnabled {
        // enable webcam/camera
        self.meeting?.enableWebcam()
    } else {
        // disable webcam/camera
        self.meeting?.disableWebcam()
    }
}

Events associated with enableWebcam

• Every Participant will receive a callback on onStreamEnabled() of the Participant with Stream object.

Events associated with disableWebcam

• Every Participant will receive a callback on onStreamDisabled() of the Participant with Stream object.

Swift

extension MeetingViewController: ParticipantEventListener {
    //Callback for when the participant starts a stream
    func onStreamEnabled(_ stream: MediaStream, forParticipant participant: Participant) {
        if stream.kind = .state(value: .video) {
            print("new audio stream enabled")
        }
    }
    //Callback for when the participant stops a stream
    func onStreamDisabled(_ stream: MediaStream, forParticipant participant: Participant) {
        if stream.kind = .state(value: .video) {
            print("new audio stream disabled")
        }
    }
}

API Reference

The API references for all the methods and events utilised in this guide are provided below.

• enableWebcam()
• disableWebcam()
• onStreamEnabled()
• onStreamDisabled()