public void Synchronize()
{
// Tell the codec to send iframes (typically when a new user joins).
ThreadingHelper.SleepAsync(TimeSpan.FromMilliseconds(1000), () => _nextFrameIsIFrame = true);
ThreadingHelper.SleepAsync(TimeSpan.FromMilliseconds(2000), () => _nextFrameIsIFrame = true);
ThreadingHelper.SleepAsync(TimeSpan.FromMilliseconds(3000), () => _nextFrameIsIFrame = true);
ThreadingHelper.SleepAsync(TimeSpan.FromMilliseconds(4000), () => _nextFrameIsIFrame = true);
}