blackmagic: connections more terse (one line)

Author: MartinPulec

src/blackmagic_common.cpp

@@ -3,7 +3,7 @@
  * @author Martin Pulec     <pulec@cesnet.cz>
  */
 /*
- * Copyright (c) 2014-2024 CESNET
+ * Copyright (c) 2014-2025 CESNET, zájmové sdružení právnických osob
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -1447,16 +1447,16 @@ void
 print_bmd_connections(IDeckLinkProfileAttributes *deckLinkAttributes,
                       BMDDeckLinkAttributeID id, const char *module_prefix)
 {
-        col() << "\n\tConnection can be one of following:\n";
+        col() << "\tsupported connetions:";
         int64_t connections = 0;
         if (deckLinkAttributes->GetInt(id, &connections) != S_OK) {
-                log_msg(LOG_LEVEL_ERROR, "%sCould not get connections.\n\n",
+                log_msg(LOG_LEVEL_ERROR, "\n%sCould not get connections.\n\n",
                         module_prefix);
                 return;
         }
         for (auto const &it : get_connection_string_map()) {
                 if ((connections & it.first) != 0) {
-                        col() << "\t\t" << SBOLD(it.second) << "\n";
+                        col() << " " << SBOLD(it.second);
                 }
         }
         col() << "\n";

src/video_display/decklink.cpp

@@ -12,7 +12,7 @@
  * usage and also SignalGenerator was used for scheduled playback.
  */
 /*
- * Copyright (c) 2010-2024 CESNET, z. s. p. o.
+ * Copyright (c) 2010-2025 CESNET, zájmové sdružení právnických osob
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -629,7 +629,7 @@ show_help(bool full, const char *query_prop_fcc = nullptr)
 
         col() << "\nRecognized pixel formats:";
         for_each(uv_to_bmd_codec_map.cbegin(), uv_to_bmd_codec_map.cend(), [](auto const &i) { col() << " " << SBOLD(get_codec_name(i.first)); } );
-        cout << "\n";
+        cout << "\n\n";
 
         col() << "Devices (idx, topological ID, name):\n";
         // Create an IDeckLinkIterator object to enumerate all DeckLink cards in the system
@@ -2258,7 +2258,6 @@ print_output_modes(IDeckLink *deckLink, const char *query_prop_fcc)
         if (deckLink->QueryInterface(IID_IDeckLinkProfileAttributes,
                                      (void **) &deckLinkAttributes) == S_OK) {
                 if (query_prop_fcc != nullptr) {
-                        cout << "\n";
                         print_bmd_attribute(deckLinkAttributes, query_prop_fcc);
                 }
                 print_bmd_connections(deckLinkAttributes,