Add systemd unit file

CMakeLists.txt

@@ -6,11 +6,14 @@ set(CXX_STANDARD 17)
 find_package(PkgConfig REQUIRED)
 pkg_check_modules(PIPEWIRE REQUIRED libpipewire-0.3)
 
+if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
+	set(CMAKE_INSTALL_PREFIX "/usr" CACHE PATH "..." FORCE)
+endif()
+
 add_executable(${PROJECT_NAME} main.cpp log.cpp Socket.cpp)
 add_dependencies(${PROJECT_NAME} ${PROJECT_NAME})
 target_link_libraries(${PROJECT_NAME} ${PIPEWIRE_LIBRARIES})
 target_include_directories(${PROJECT_NAME} PUBLIC ${PIPEWIRE_INCLUDE_DIRS})
 set_target_properties(${PROJECT_NAME} PROPERTIES COMPILE_FLAGS "-Wall -O2 -march=x86-64-v2 -g" LINK_FLAGS "-flto")
 install(TARGETS ${PROJECT_NAME} DESTINATION bin)
-
-
+install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/pipewireaudiowatcher@.service DESTINATION /lib/systemd/user)

main.cpp

@@ -199,7 +199,7 @@ static void node_event_info(void* data, const struct pw_node_info *info)
 
 static const struct pw_stream_events stream_events =
 {
-	PW_VERSION_STREAM_EVENTS,
+	.version = PW_VERSION_STREAM_EVENTS,
 	.param_changed = on_stream_param_changed,
 	.process = on_process,
 };

pipewireaudiowatcher@.service

@@ -0,0 +1,13 @@
+[Unit]
+After=network.target sound.target
+
+[Service]
+Type=simple
+ExecStart=/usr/bin/stdbuf -oL /usr/bin/pipewirestreamwatcher -n %i
+ExitType=main
+StandardOutput=journal
+StandardError=journal
+Restart=always
+
+[Install]
+WantedBy=default.target