Release Nageru 1.7.2.

[nageru] / decklink_util.cpp

diff --git a/decklink_util.cpp b/decklink_util.cpp
index 0e775dea4981b709077701389e30c40b4061b8ed..d8081961e9880a2c35ab3216cb9794f6b5f8e5c5 100644 (file)
--- a/decklink_util.cpp
+++ b/decklink_util.cpp
@@ -1,6 +1,8 @@
 #include <DeckLinkAPI.h>
 #include <DeckLinkAPIModes.h>
 
+#include <assert.h>
+
 #include "decklink_util.h"
 
 using namespace bmusb;
@@ -18,6 +20,7 @@ map<uint32_t, VideoMode> summarize_video_modes(IDeckLinkDisplayModeIterator *mod
                        mode.name = "Unknown mode";
                } else {
                        mode.name = mode_name;
+                       free((char *)mode_name);
                }
 
                mode.autodetect = false;
@@ -43,3 +46,43 @@ map<uint32_t, VideoMode> summarize_video_modes(IDeckLinkDisplayModeIterator *mod
 
        return video_modes;
 }
+
+BMDVideoConnection pick_default_video_connection(IDeckLink *card, BMDDeckLinkAttributeID attribute_id, unsigned card_index)
+{
+       assert(attribute_id == BMDDeckLinkVideoInputConnections ||
+              attribute_id == BMDDeckLinkVideoOutputConnections);
+
+       IDeckLinkAttributes *attr;
+       if (card->QueryInterface(IID_IDeckLinkAttributes, (void**)&attr) != S_OK) {
+               fprintf(stderr, "Card %u has no attributes\n", card_index);
+               exit(1);
+       }
+
+       int64_t connection_mask;
+       if (attr->GetInt(attribute_id, &connection_mask) != S_OK) {
+               if (attribute_id == BMDDeckLinkVideoInputConnections) {
+                       fprintf(stderr, "Failed to enumerate video inputs for card %u\n", card_index);
+               } else {
+                       fprintf(stderr, "Failed to enumerate video outputs for card %u\n", card_index);
+               }
+               exit(1);
+       }
+       attr->Release();
+       if (connection_mask == 0) {
+               if (attribute_id == BMDDeckLinkVideoInputConnections) {
+                       fprintf(stderr, "Card %u has no input connections\n", card_index);
+               } else {
+                       fprintf(stderr, "Card %u has no outpu connectionss\n", card_index);
+               }
+               exit(1);
+       }
+
+       if (connection_mask & bmdVideoConnectionHDMI) {
+               return bmdVideoConnectionHDMI;
+       } else if (connection_mask & bmdVideoConnectionSDI) {
+               return bmdVideoConnectionSDI;
+       } else {
+               // Fallback: Return lowest-set bit, whatever that might be.
+               return connection_mask & (-connection_mask);
+       }
+}