public SynchronizationController(
IScheduler scheduler,
IStartSynchronizing startSynchronizing,
ITranscodingNotifications transcodingNotifications)
{
if (transcodingNotifications == null) throw new ArgumentNullException(nameof(transcodingNotifications), $"{nameof(transcodingNotifications)} is null.");
if (startSynchronizing == null) throw new ArgumentNullException(nameof(startSynchronizing), $"{nameof(startSynchronizing)} is null.");
if (scheduler == null) throw new ArgumentNullException(nameof(scheduler));
_scheduler = scheduler;
_startSynchronizing = startSynchronizing;
_transcodingNotifications = transcodingNotifications;
_enabledDisposable = new ReplaySubject<IDisposable>(1, _scheduler);
_enabledDisposable.OnNext(null);
_disposable = _enabledDisposable.Delta((d1, d2) =>
{
if (d1 != null)
{
d1.Dispose();
}
return d1 != null || d2 != null;
})
.TakeWhile(b => b)
.SubscribeOn(_scheduler)
.Subscribe(_ => { }, e => { });
}