return connection_mask & (-connection_mask);
}
}
+
+bool decklink_card_is_active(IDeckLink *card, unsigned card_index)
+{
+ IDeckLinkStatus *status;
+ if (card->QueryInterface(IID_IDeckLinkStatus, (void**)&status) != S_OK) {
+ fprintf(stderr, "Card %u has no status interface\n", card_index);
+ abort();
+ }
+
+ int64_t duplex_mode;
+ if (status->GetInt(bmdDeckLinkStatusDuplexMode, &duplex_mode) != S_OK) {
+ fprintf(stderr, "Could not query duplex mode for card %u\n", card_index);
+ abort();
+ }
+
+ status->Release();
+
+ return (duplex_mode != bmdDuplexStatusInactive);
+}