Add backwards compatability to at least OBS 26.1.2

Required for Debian Stable

src/advanced-scene-switcher.cpp

@@ -629,9 +629,11 @@ static void OBSEvent(enum obs_frontend_event event, void *switcher)
 	case OBS_FRONTEND_EVENT_STREAMING_STOPPED:
 		resetLiveTime();
 		break;
+#if LIBOBS_API_VER >= MAKE_SEMANTIC_VERSION(26, 0, 0)
 	case OBS_FRONTEND_EVENT_REPLAY_BUFFER_SAVED:
 		setReplayBufferSaved();
 		break;
+#endif
 	case OBS_FRONTEND_EVENT_TRANSITION_STOPPED:
 		setTranstionEnd();
 		break;

src/legacy/scene-trigger.cpp

@@ -185,18 +185,22 @@ void frontEndActionThread(sceneTriggerAction action, double delay)
 	case sceneTriggerAction::STOP_STREAMING:
 		obs_frontend_streaming_stop();
 		break;
+#if LIBOBS_API_VER >= MAKE_SEMANTIC_VERSION(26, 0, 0)
 	case sceneTriggerAction::START_REPLAY_BUFFER:
 		obs_frontend_replay_buffer_start();
 		break;
 	case sceneTriggerAction::STOP_REPLAY_BUFFER:
 		obs_frontend_replay_buffer_stop();
 		break;
+#endif
+#if LIBOBS_API_VER >= MAKE_SEMANTIC_VERSION(27, 0, 0)
 	case sceneTriggerAction::START_VCAM:
 		obs_frontend_start_virtualcam();
 		break;
 	case sceneTriggerAction::STOP_VCAM:
 		obs_frontend_stop_virtualcam();
 		break;
+#endif
 	default:
 		blog(LOG_WARNING, "ignoring unexpected frontend action '%d'",
 		     static_cast<int>(action));

src/macro-core/macro-action-recording.cpp

@@ -43,9 +43,11 @@ bool MacroActionRecord::PerformAction()
 			obs_frontend_recording_pause(false);
 		}
 		break;
+#if LIBOBS_API_VER >= MAKE_SEMANTIC_VERSION(28, 0, 0)
 	case RecordAction::SPLIT:
 		obs_frontend_recording_split_file();
 		break;
+#endif
 	default:
 		break;
 	}

src/macro-core/macro-action-screenshot.cpp

@@ -11,6 +11,7 @@ bool MacroActionScreenshot::_registered = MacroActionFactory::Register(
 
 void MacroActionScreenshot::FrontendScreenshot()
 {
+#if LIBOBS_API_VER >= MAKE_SEMANTIC_VERSION(26, 0, 0)
 	if (_source) {
 		auto s = obs_weak_source_get_source(_source);
 		obs_frontend_take_source_screenshot(s);
@@ -18,6 +19,7 @@ void MacroActionScreenshot::FrontendScreenshot()
 	} else {
 		obs_frontend_take_screenshot();
 	}
+#endif
 }
 
 void MacroActionScreenshot::CustomScreenshot()

src/macro-core/macro-action-transition.cpp

@@ -49,8 +49,32 @@ void MacroActionTransition::SetTransitionOverride()
 	obs_source_release(scene);
 }
 
+#if (LIBOBS_API_VER >= MAKE_SEMANTIC_VERSION(27, 0, 0)) && \
+	(LIBOBS_API_VER < MAKE_SEMANTIC_VERSION(28, 0, 0))
+void obs_sceneitem_set_transition(obs_sceneitem_t *item, bool show,
+				  obs_source_t *transition)
+{
+	if (show) {
+		obs_sceneitem_set_show_transition(item, transition);
+	} else {
+		obs_sceneitem_set_hide_transition(item, transition);
+	}
+}
+
+void obs_sceneitem_set_transition_duration(obs_sceneitem_t *item, bool show,
+					   uint32_t duration_ms)
+{
+	if (show) {
+		obs_sceneitem_set_show_transition_duration(item, duration_ms);
+	} else {
+		obs_sceneitem_set_hide_transition_duration(item, duration_ms);
+	}
+}
+#endif
+
 void MacroActionTransition::SetSourceTransition(bool show)
 {
+#if LIBOBS_API_VER >= MAKE_SEMANTIC_VERSION(27, 0, 0)
 	auto transition =
 		obs_weak_source_get_source(_transition.GetTransition());
 	obs_data_t *settings = obs_source_get_settings(transition);
@@ -73,6 +97,7 @@ void MacroActionTransition::SetSourceTransition(bool show)
 	}
 
 	obs_source_release(t);
+#endif
 }
 
 bool MacroActionTransition::PerformAction()

src/macro-core/macro-action-virtual-cam.cpp

@@ -16,6 +16,7 @@ const static std::map<VCamAction, std::string> actionTypes = {
 
 bool MacroActionVCam::PerformAction()
 {
+#if LIBOBS_API_VER >= MAKE_SEMANTIC_VERSION(27, 0, 0)
 	switch (_action) {
 	case VCamAction::STOP:
 		if (obs_frontend_virtualcam_active()) {
@@ -30,6 +31,7 @@ bool MacroActionVCam::PerformAction()
 	default:
 		break;
 	}
+#endif
 	return true;
 }
 

src/macro-core/macro-condition-virtual-cam.cpp

@@ -20,6 +20,7 @@ static std::map<VCamState, std::string> VCamStates = {
 bool MacroConditionVCam::CheckCondition()
 {
 	bool stateMatch = false;
+#if LIBOBS_API_VER >= MAKE_SEMANTIC_VERSION(27, 0, 0)
 	switch (_state) {
 	case VCamState::STOP:
 		stateMatch = !obs_frontend_virtualcam_active();
@@ -30,6 +31,7 @@ bool MacroConditionVCam::CheckCondition()
 	default:
 		break;
 	}
+#endif
 	return stateMatch;
 }
 

src/macro-core/macro-ref.hpp

@@ -1,5 +1,6 @@
 #pragma once
 #include <string>
+#include <vector>
 #include <QString>
 #include <obs-module.h>