frontend: Use Hybrid MP4 muxer for replay buffer if selected for recording

Author: derrod

frontend/settings/OBSBasicSettings.cpp

@@ -3587,7 +3587,7 @@ void OBSBasicSettings::SaveHotkeySettings()
 		return;
 
 	const char *id = obs_obj_get_id(main->outputHandler->replayBuffer);
-	if (strcmp(id, "replay_buffer") == 0) {
+	if (strcmp(id, "replay_buffer") == 0 || strcmp(id, "mp4_replay_buffer") == 0) {
 		OBSDataAutoRelease hotkeys = obs_hotkeys_save_output(main->outputHandler->replayBuffer);
 		config_set_string(config, "Hotkeys", "ReplayBuffer", obs_data_get_json(hotkeys));
 	}

frontend/utility/AdvancedOutput.cpp

@@ -92,7 +92,11 @@ AdvancedOutput::AdvancedOutput(OBSBasic *main_) : BasicOutputHandler(main_)
 			else
 				hotkey = nullptr;
 
-			replayBuffer = obs_output_create("replay_buffer", Str("ReplayBuffer"), nullptr, hotkey);
+			const char *replay_mux = "replay_buffer";
+			if (strcmp(recFormat, "hybrid_mp4") == 0)
+				replay_mux = "mp4_replay_buffer";
+
+			replayBuffer = obs_output_create(replay_mux, Str("ReplayBuffer"), nullptr, hotkey);
 
 			if (!replayBuffer)
 				throw "Failed to create replay buffer output "

frontend/utility/SimpleOutput.cpp

@@ -212,7 +212,11 @@ SimpleOutput::SimpleOutput(OBSBasic *main_) : BasicOutputHandler(main_)
 			else
 				hotkey = nullptr;
 
-			replayBuffer = obs_output_create("replay_buffer", Str("ReplayBuffer"), nullptr, hotkey);
+			const char *replay_mux = "replay_buffer";
+			if (strcmp(recFormat, "hybrid_mp4") == 0)
+				replay_mux = "mp4_replay_buffer";
+
+			replayBuffer = obs_output_create(replay_mux, Str("ReplayBuffer"), nullptr, hotkey);
 
 			if (!replayBuffer)
 				throw "Failed to create replay buffer output "