- disconnect(signalbase.get(), SIGNAL(samples_added(QObject*, uint64_t, uint64_t)),
- this, SLOT(on_data_updated()));
+ disconnect(signalbase.get(), SIGNAL(samples_added(uint64_t, uint64_t, uint64_t)),
+ this, SLOT(on_samples_added(uint64_t, uint64_t, uint64_t)));