     }
 
     private func bindPlaybackEvents() {
-        if let playback = container.playback {
+        if let playback = container?.playback {
             listenTo(playback, eventName: Event.playing.rawValue) { [weak self] _ in self?.playbackStarted() }
             listenTo(playback, eventName: Event.ready.rawValue) { [weak self] _ in self?.playbackReady() }
             listenTo(playback, eventName: Event.stalled.rawValue) { [weak self] _ in self?.playbackStalled() }

    }

    private func bindDidChangePlayback() {
        listenTo(container, eventName: InternalEvent.didChangePlayback.rawValue) { [weak self] _ in self?.didChangePlayback() }
    }

    fileprivate func playbackStalled() {

    }

    func playTouched() {
        container?.playback?.seek(0)
        container?.playback?.play()
    }

    fileprivate func configureViews() {
        container?.addMatchingConstraints(self)
        addSubviewMatchingConstraints(poster)

        addSubview(playButton)
