X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=nageru%2Fdecklink_util.cpp;h=c2ebd575b073cb1743d6a2cc3c1ea418c415d126;hb=e4037149c9a6fbbd6b3747cdbd0909c0ca3b6382;hp=4b701abed3799448d2d6755652190a1c57769b77;hpb=392f9d1ccb835c05a3874c4bea163788b2c37024;p=nageru

diff --git a/nageru/decklink_util.cpp b/nageru/decklink_util.cpp
index 4b701ab..c2ebd57 100644
--- a/nageru/decklink_util.cpp
+++ b/nageru/decklink_util.cpp
@@ -33,7 +33,7 @@ map<uint32_t, VideoMode> summarize_video_modes(IDeckLinkDisplayModeIterator *mod
 		BMDTimeValue frame_rate_den;
 		if (mode_ptr->GetFrameRate(&frame_rate_den, &frame_rate_num) != S_OK) {
 			fprintf(stderr, "Could not get frame rate for mode '%s' on card %d\n", mode.name.c_str(), card_index);
-			exit(1);
+			abort();
 		}
 		mode.frame_rate_num = frame_rate_num;
 		mode.frame_rate_den = frame_rate_den;
@@ -56,7 +56,7 @@ BMDVideoConnection pick_default_video_connection(IDeckLink *card, BMDDeckLinkAtt
 	IDeckLinkAttributes *attr;
 	if (card->QueryInterface(IID_IDeckLinkAttributes, (void**)&attr) != S_OK) {
 		fprintf(stderr, "Card %u has no attributes\n", card_index);
-		exit(1);
+		abort();
 	}
 
 	int64_t connection_mask;
@@ -66,7 +66,7 @@ BMDVideoConnection pick_default_video_connection(IDeckLink *card, BMDDeckLinkAtt
 		} else {
 			fprintf(stderr, "Failed to enumerate video outputs for card %u\n", card_index);
 		}
-		exit(1);
+		abort();
 	}
 	attr->Release();
 	if (connection_mask == 0) {
@@ -75,7 +75,7 @@ BMDVideoConnection pick_default_video_connection(IDeckLink *card, BMDDeckLinkAtt
 		} else {
 			fprintf(stderr, "Card %u has no output connections\n", card_index);
 		}
-		exit(1);
+		abort();
 	}
 
 	if ((connection_mask & bmdVideoConnectionHDMI) &&
@@ -90,3 +90,22 @@ BMDVideoConnection pick_default_video_connection(IDeckLink *card, BMDDeckLinkAtt
 		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);
+}