Add backwards compatibility check

CMakeLists.txt

@@ -105,6 +105,11 @@ else()
   include_directories("${LIBCURL_INCLUDE_DIRS}")
 endif()
 
+# Backwards compatability with older OBS versions
+if(LibObs_VERSION_MAJOR GREATER_EQUAL 27 OR NOT LibObs_VERSION_MAJOR)
+  add_definitions(-DVCAM_SUPPORTED)
+endif()
+
 # Platform specific settings
 if(APPLE)
   find_library(COCOA Cocoa)

src/headers/macro-action-virtual-cam.hpp

@@ -1,3 +1,5 @@
+#ifdef VCAM_SUPPORTED
+
 #pragma once
 #include "macro-action-edit.hpp"
 
@@ -55,3 +57,5 @@ private:
 	QHBoxLayout *_mainLayout;
 	bool _loading = true;
 };
+
+#endif

src/headers/macro-condition-virtual-cam.hpp

@@ -1,3 +1,5 @@
+#ifdef VCAM_SUPPORTED
+
 #pragma once
 #include "macro.hpp"
 #include <QWidget>
@@ -52,3 +54,5 @@ protected:
 private:
 	bool _loading = true;
 };
+
+#endif

src/macro-action-virtual-cam.cpp

@@ -1,3 +1,5 @@
+#ifdef VCAM_SUPPORTED
+
 #include "headers/macro-action-virtual-cam.hpp"
 #include "headers/advanced-scene-switcher.hpp"
 #include "headers/utility.hpp"
@@ -107,3 +109,5 @@ void MacroActionVCamEdit::ActionChanged(int value)
 	std::lock_guard<std::mutex> lock(switcher->m);
 	_entryData->_action = static_cast<VCamAction>(value);
 }
+
+#endif

src/macro-condition-virtual-cam.cpp

@@ -1,3 +1,5 @@
+#ifdef VCAM_SUPPORTED
+
 #include "headers/macro-condition-edit.hpp"
 #include "headers/macro-condition-virtual-cam.hpp"
 #include "headers/utility.hpp"
@@ -99,3 +101,5 @@ void MacroConditionVCamEdit::UpdateEntryData()
 
 	_states->setCurrentIndex(static_cast<int>(_entryData->_state));
 }
+
+#endif