Rename JACK to "JACK/Pipewire" on Linux (1/2)

libs/ardour/ardour/audio_backend.h

@@ -161,6 +161,9 @@ public:
 	 */
 	virtual bool is_realtime () const = 0;
 
+	/** Return true if the backed is JACK */
+	virtual bool is_jack () const { return false; }
+
 	virtual int client_real_time_priority () { return PBD_RT_PRI_PROC; }
 
 	/* Discovering devices and parameters */

libs/ardour/ardour/audioengine.h

@@ -75,6 +75,7 @@ class LIBARDOUR_API AudioEngine : public PortManager, public SessionHandlePtr
 	std::shared_ptr<AudioBackend> set_backend (const std::string&, const std::string& arg1, const std::string& arg2);
 	std::shared_ptr<AudioBackend> current_backend() const { return _backend; }
 	bool setup_required () const;
+	bool is_jack () const;
 
 	ProcessThread* main_thread() const { return _main_thread; }
 

libs/ardour/audioengine.cc

@@ -986,6 +986,12 @@ AudioEngine::current_backend_name() const
 	return string();
 }
 
+bool
+AudioEngine::is_jack() const
+{
+	return _backend && _backend->is_jack();
+}
+
 void
 AudioEngine::drop_backend ()
 {

libs/ardour/engine_slave.cc

@@ -50,13 +50,13 @@ Engine_TransportMaster::init ()
 bool
 Engine_TransportMaster::usable () const
 {
-	return AudioEngine::instance()->current_backend_name() == X_("JACK");
+	return AudioEngine::instance()->is_jack();
 }
 
 void
 Engine_TransportMaster::check_backend()
 {
-	if (AudioEngine::instance()->current_backend_name() == X_("JACK")) {
+	if (AudioEngine::instance()->is_jack ()) {
 		_connected = true;
 	} else {
 		_connected = false;

libs/ardour/globals.cc

@@ -1027,7 +1027,7 @@ ARDOUR::get_available_sync_options ()
 	vector<SyncSource> ret;
 
 	std::shared_ptr<AudioBackend> backend = AudioEngine::instance ()->current_backend ();
-	if (backend && backend->name () == "JACK") {
+	if (backend && backend->is_jack ()) {
 		ret.push_back (Engine);
 	}
 

libs/ardour/port_manager.cc

@@ -886,7 +886,7 @@ PortManager::reestablish_ports ()
 		set_pretty_names (port_names, DataType::MIDI, false);
 	}
 
-	if (Config->get_work_around_jack_no_copy_optimization () && AudioEngine::instance ()->current_backend_name () == X_("JACK")) {
+	if (Config->get_work_around_jack_no_copy_optimization () && AudioEngine::instance ()->is_jack ()) {
 		port_engine ().register_port (X_("physical_audio_input_monitor_enable"), DataType::AUDIO, ARDOUR::PortFlags (IsInput | IsTerminal | Hidden));
 		port_engine ().register_port (X_("physical_midi_input_monitor_enable"), DataType::MIDI, ARDOUR::PortFlags (IsInput | IsTerminal | Hidden));
 	}
@@ -943,7 +943,7 @@ PortManager::reconnect_ports ()
 		}
 	}
 
-	if (Config->get_work_around_jack_no_copy_optimization () && AudioEngine::instance ()->current_backend_name () == X_("JACK")) {
+	if (Config->get_work_around_jack_no_copy_optimization () && AudioEngine::instance ()->is_jack ()) {
 		std::string const        audio_port = AudioEngine::instance ()->make_port_name_non_relative (X_("physical_audio_input_monitor_enable"));
 		std::string const        midi_port  = AudioEngine::instance ()->make_port_name_non_relative (X_("physical_midi_input_monitor_enable"));
 		std::vector<std::string> audio_ports;
@@ -1145,7 +1145,7 @@ PortManager::update_input_ports (bool clear)
 #endif
 			mpw->insert (make_pair (*p, MIDIInputPort (32)));
 
-			if (Config->get_work_around_jack_no_copy_optimization () && AudioEngine::instance ()->current_backend_name () == X_("JACK")) {
+			if (Config->get_work_around_jack_no_copy_optimization () && AudioEngine::instance ()->is_jack ()) {
 				physical_midi_connection_list.push_back (*p);
 			}
 		}
@@ -1534,7 +1534,7 @@ PortManager::port_is_virtual_piano (std::string const& name)
 bool
 PortManager::port_is_physical_input_monitor_enable (std::string const& name)
 {
-	if (Config->get_work_around_jack_no_copy_optimization () && AudioEngine::instance ()->current_backend_name () == X_("JACK")) {
+	if (Config->get_work_around_jack_no_copy_optimization () && AudioEngine::instance ()->is_jack ()) {
 		if (ends_with (name, X_(":physical_midi_input_monitor_enable"))) {
 			return true;
 		}

libs/backends/jack/jack_api.cc

@@ -31,7 +31,11 @@ static bool already_configured ();
 static bool available ();
 
 static ARDOUR::AudioBackendInfo _descriptor = {
+#if ! (defined(__APPLE__) || defined(PLATFORM_WINDOWS))
+	"JACK/Pipewire",
+#else
 	"JACK",
+#endif
 	instantiate,
 	deinstantiate,
 	backend_factory,

libs/backends/jack/jack_audiobackend.cc

@@ -87,7 +87,11 @@ JACKAudioBackend::~JACKAudioBackend()
 string
 JACKAudioBackend::name() const
 {
+#if ! (defined(__APPLE__) || defined(PLATFORM_WINDOWS))
+	return X_("JACK/Pipewire");
+#else
 	return X_("JACK");
+#endif
 }
 
 void*

libs/backends/jack/jack_audiobackend.h

@@ -60,6 +60,8 @@ class JACKAudioBackend : public AudioBackend {
 	void* private_handle() const;
 	bool is_realtime () const;
 
+	bool is_jack () const { return true; }
+
 	bool requires_driver_selection() const;
 	std::vector<std::string> enumerate_drivers () const;
 	int set_driver (const std::string&);