Add `AudioServer.get_driver_name()` to get the actual audio driver name

The project setting does not reflect CLI argument overrides
(including `--headless` which sets the audio driver to `Dummy`),
so it can't be reliably used to detect which audio driver is
actually being used at run-time.

2 files changed, 8 insertions, 0 deletions

diff --git a/servers/audio_server.cpp b/servers/audio_server.cpp
index 70ef88e36d..17b573ab7b 100644
--- a/servers/audio_server.cpp
+++ b/servers/audio_server.cpp
@@ -1440,6 +1440,10 @@ uint64_t AudioServer::get_mixed_frames() const {
 	return mix_frames;
 }
 
+String AudioServer::get_driver_name() const {
+	return AudioDriver::get_singleton()->get_name();
+}
+
 void AudioServer::notify_listener_changed() {
 	for (CallbackItem *ci : listener_changed_callback_list) {
 		ci->callback(ci->userdata);
@@ -1947,6 +1951,8 @@ void AudioServer::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("get_speaker_mode"), &AudioServer::get_speaker_mode);
 	ClassDB::bind_method(D_METHOD("get_mix_rate"), &AudioServer::get_mix_rate);
 
+	ClassDB::bind_method(D_METHOD("get_driver_name"), &AudioServer::get_driver_name);
+
 	ClassDB::bind_method(D_METHOD("get_output_device_list"), &AudioServer::get_output_device_list);
 	ClassDB::bind_method(D_METHOD("get_output_device"), &AudioServer::get_output_device);
 	ClassDB::bind_method(D_METHOD("set_output_device", "name"), &AudioServer::set_output_device);
diff --git a/servers/audio_server.h b/servers/audio_server.h
index 16fcc029b3..d4e1aa9995 100644
--- a/servers/audio_server.h
+++ b/servers/audio_server.h
@@ -427,6 +427,8 @@ public:
 	uint64_t get_mix_count() const;
 	uint64_t get_mixed_frames() const;
 
+	String get_driver_name() const;
+
 	void notify_listener_changed();
 
 	virtual void init();