Audio rename (device, capture_device) -> (output_device, input_device)

Change instances of audio properties 'device' to 'output_device',
and instances of audio properties 'capture_device' to 'input_device',
as well as their subsequent getter & setter functions.

Update the docs to reflect these changes, as well as the
3-to-4 converter for GDScript and CSharp to make proper
conversions (only exception is 'device' since that name
is too vague and might replace non-AudioServer related
instances, such as user comments and variables).

This does not change internal references to references like
'Render Client' and 'Capture Client' in WASAPI; such is outside the
scope of this commit. This also does not change ALSA's references,
considering that it uses 'device' to mean input and output
interchangeably.

Other references are changed, however where applicable,
to be consistent with the new AudioServer methods and property
names.

10 files changed, 286 insertions, 272 deletions

diff --git a/doc/classes/AudioServer.xml b/doc/classes/AudioServer.xml
index 36f12dd5c4..ae331f8491 100644
--- a/doc/classes/AudioServer.xml
+++ b/doc/classes/AudioServer.xml
@@ -29,13 +29,6 @@
 				Adds an [AudioEffect] effect to the bus [param bus_idx] at [param at_position].
 			</description>
 		</method>
-		<method name="capture_get_device_list">
-			<return type="PackedStringArray" />
-			<description>
-				Returns the names of all audio input devices detected on the system.
-				[b]Note:[/b] [member ProjectSettings.audio/driver/enable_input] must be [code]true[/code] for audio input to work. See also that setting's description for caveats related to permissions and operating system privacy settings.
-			</description>
-		</method>
 		<method name="generate_bus_layout" qualifiers="const">
 			<return type="AudioBusLayout" />
 			<description>
@@ -117,10 +110,11 @@
 				Returns the volume of the bus at index [param bus_idx] in dB.
 			</description>
 		</method>
-		<method name="get_device_list">
+		<method name="get_input_device_list">
 			<return type="PackedStringArray" />
 			<description>
-				Returns the names of all audio devices detected on the system.
+				Returns the names of all audio input devices detected on the system.
+				[b]Note:[/b] [member ProjectSettings.audio/driver/enable_input] must be [code]true[/code] for audio input to work. See also that setting's description for caveats related to permissions and operating system privacy settings.
 			</description>
 		</method>
 		<method name="get_mix_rate" qualifiers="const">
@@ -129,6 +123,12 @@
 				Returns the sample rate at the output of the [AudioServer].
 			</description>
 		</method>
+		<method name="get_output_device_list">
+			<return type="PackedStringArray" />
+			<description>
+				Returns the names of all audio output devices detected on the system.
+			</description>
+		</method>
 		<method name="get_output_latency" qualifiers="const">
 			<return type="float" />
 			<description>
@@ -302,12 +302,12 @@
 		<member name="bus_count" type="int" setter="set_bus_count" getter="get_bus_count" default="1">
 			Number of available audio buses.
 		</member>
-		<member name="capture_device" type="String" setter="capture_set_device" getter="capture_get_device" default="&quot;Default&quot;">
-			Name of the current device for audio input (see [method capture_get_device_list]). On systems with multiple audio inputs (such as analog, USB and HDMI audio), this can be used to select the audio input device. The value [code]"Default"[/code] will record audio on the system-wide default audio input. If an invalid device name is set, the value will be reverted back to [code]"Default"[/code].
+		<member name="input_device" type="String" setter="set_input_device" getter="get_input_device" default="&quot;Default&quot;">
+			Name of the current device for audio input (see [method get_input_device_list]). On systems with multiple audio inputs (such as analog, USB and HDMI audio), this can be used to select the audio input device. The value [code]"Default"[/code] will record audio on the system-wide default audio input. If an invalid device name is set, the value will be reverted back to [code]"Default"[/code].
 			[b]Note:[/b] [member ProjectSettings.audio/driver/enable_input] must be [code]true[/code] for audio input to work. See also that setting's description for caveats related to permissions and operating system privacy settings.
 		</member>
-		<member name="device" type="String" setter="set_device" getter="get_device" default="&quot;Default&quot;">
-			Name of the current device for audio output (see [method get_device_list]). On systems with multiple audio outputs (such as analog, USB and HDMI audio), this can be used to select the audio output device. The value [code]"Default"[/code] will play audio on the system-wide default audio output. If an invalid device name is set, the value will be reverted back to [code]"Default"[/code].
+		<member name="output_device" type="String" setter="set_output_device" getter="get_output_device" default="&quot;Default&quot;">
+			Name of the current device for audio output (see [method get_output_device_list]). On systems with multiple audio outputs (such as analog, USB and HDMI audio), this can be used to select the audio output device. The value [code]"Default"[/code] will play audio on the system-wide default audio output. If an invalid device name is set, the value will be reverted back to [code]"Default"[/code].
 		</member>
 		<member name="playback_speed_scale" type="float" setter="set_playback_speed_scale" getter="get_playback_speed_scale" default="1.0">
 			Scales the rate at which audio is played (i.e. setting it to [code]0.5[/code] will make the audio be played at half its speed).
diff --git a/drivers/coreaudio/audio_driver_coreaudio.cpp b/drivers/coreaudio/audio_driver_coreaudio.cpp
index e9eb11e2e3..c454da8e23 100644
--- a/drivers/coreaudio/audio_driver_coreaudio.cpp
+++ b/drivers/coreaudio/audio_driver_coreaudio.cpp
@@ -44,10 +44,10 @@ OSStatus AudioDriverCoreAudio::input_device_address_cb(AudioObjectID inObjectID,
 		void *inClientData) {
 	AudioDriverCoreAudio *driver = static_cast<AudioDriverCoreAudio *>(inClientData);
 
-	// If our selected device is the Default call set_device to update the
+	// If our selected input device is the Default, call set_input_device to update the
 	// kAudioOutputUnitProperty_CurrentDevice property
-	if (driver->capture_device_name == "Default") {
-		driver->capture_set_device("Default");
+	if (driver->input_device_name == "Default") {
+		driver->set_input_device("Default");
 	}
 
 	return noErr;
@@ -58,10 +58,10 @@ OSStatus AudioDriverCoreAudio::output_device_address_cb(AudioObjectID inObjectID
 		void *inClientData) {
 	AudioDriverCoreAudio *driver = static_cast<AudioDriverCoreAudio *>(inClientData);
 
-	// If our selected device is the Default call set_device to update the
+	// If our selected output device is the Default call set_output_device to update the
 	// kAudioOutputUnitProperty_CurrentDevice property
-	if (driver->device_name == "Default") {
-		driver->set_device("Default");
+	if (driver->output_device_name == "Default") {
+		driver->set_output_device("Default");
 	}
 
 	return noErr;
@@ -495,7 +495,7 @@ Error AudioDriverCoreAudio::capture_stop() {
 
 #ifdef MACOS_ENABLED
 
-PackedStringArray AudioDriverCoreAudio::_get_device_list(bool capture) {
+PackedStringArray AudioDriverCoreAudio::_get_device_list(bool input) {
 	PackedStringArray list;
 
 	list.push_back("Default");
@@ -514,7 +514,7 @@ PackedStringArray AudioDriverCoreAudio::_get_device_list(bool capture) {
 
 	UInt32 deviceCount = size / sizeof(AudioDeviceID);
 	for (UInt32 i = 0; i < deviceCount; i++) {
-		prop.mScope = capture ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput;
+		prop.mScope = input ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput;
 		prop.mSelector = kAudioDevicePropertyStreamConfiguration;
 
 		AudioObjectGetPropertyDataSize(audioDevices[i], &prop, 0, nullptr, &size);
@@ -555,10 +555,10 @@ PackedStringArray AudioDriverCoreAudio::_get_device_list(bool capture) {
 	return list;
 }
 
-void AudioDriverCoreAudio::_set_device(const String &device, bool capture) {
+void AudioDriverCoreAudio::_set_device(const String &output_device, bool input) {
 	AudioDeviceID deviceId;
 	bool found = false;
-	if (device != "Default") {
+	if (output_device != "Default") {
 		AudioObjectPropertyAddress prop;
 
 		prop.mSelector = kAudioHardwarePropertyDevices;
@@ -573,7 +573,7 @@ void AudioDriverCoreAudio::_set_device(const String &device, bool capture) {
 
 		UInt32 deviceCount = size / sizeof(AudioDeviceID);
 		for (UInt32 i = 0; i < deviceCount && !found; i++) {
-			prop.mScope = capture ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput;
+			prop.mScope = input ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput;
 			prop.mSelector = kAudioDevicePropertyStreamConfiguration;
 
 			AudioObjectGetPropertyDataSize(audioDevices[i], &prop, 0, nullptr, &size);
@@ -602,7 +602,7 @@ void AudioDriverCoreAudio::_set_device(const String &device, bool capture) {
 				ERR_FAIL_NULL_MSG(buffer, "Out of memory.");
 				if (CFStringGetCString(cfname, buffer, maxSize, kCFStringEncodingUTF8)) {
 					String name = String::utf8(buffer) + " (" + itos(audioDevices[i]) + ")";
-					if (name == device) {
+					if (name == output_device) {
 						deviceId = audioDevices[i];
 						found = true;
 					}
@@ -618,7 +618,7 @@ void AudioDriverCoreAudio::_set_device(const String &device, bool capture) {
 	if (!found) {
 		// If we haven't found the desired device get the system default one
 		UInt32 size = sizeof(AudioDeviceID);
-		UInt32 elem = capture ? kAudioHardwarePropertyDefaultInputDevice : kAudioHardwarePropertyDefaultOutputDevice;
+		UInt32 elem = input ? kAudioHardwarePropertyDefaultInputDevice : kAudioHardwarePropertyDefaultOutputDevice;
 		AudioObjectPropertyAddress property = { elem, kAudioObjectPropertyScopeGlobal, kAudioObjectPropertyElementMaster };
 
 		OSStatus result = AudioObjectGetPropertyData(kAudioObjectSystemObject, &property, 0, nullptr, &size, &deviceId);
@@ -628,10 +628,10 @@ void AudioDriverCoreAudio::_set_device(const String &device, bool capture) {
 	}
 
 	if (found) {
-		OSStatus result = AudioUnitSetProperty(capture ? input_unit : audio_unit, kAudioOutputUnitProperty_CurrentDevice, kAudioUnitScope_Global, 0, &deviceId, sizeof(AudioDeviceID));
+		OSStatus result = AudioUnitSetProperty(input ? input_unit : audio_unit, kAudioOutputUnitProperty_CurrentDevice, kAudioUnitScope_Global, 0, &deviceId, sizeof(AudioDeviceID));
 		ERR_FAIL_COND(result != noErr);
 
-		if (capture) {
+		if (input) {
 			// Reset audio input to keep synchronization.
 			input_position = 0;
 			input_size = 0;
@@ -639,34 +639,34 @@ void AudioDriverCoreAudio::_set_device(const String &device, bool capture) {
 	}
 }
 
-PackedStringArray AudioDriverCoreAudio::get_device_list() {
+PackedStringArray AudioDriverCoreAudio::get_output_device_list() {
 	return _get_device_list();
 }
 
-String AudioDriverCoreAudio::get_device() {
-	return device_name;
+String AudioDriverCoreAudio::get_output_device() {
+	return output_device_name;
 }
 
-void AudioDriverCoreAudio::set_device(String device) {
-	device_name = device;
+void AudioDriverCoreAudio::set_output_device(String output_device) {
+	output_device_name = output_device;
 	if (active) {
-		_set_device(device_name);
+		_set_device(output_device_name);
 	}
 }
 
-void AudioDriverCoreAudio::capture_set_device(const String &p_name) {
-	capture_device_name = p_name;
+void AudioDriverCoreAudio::set_input_device(const String &p_name) {
+	input_device_name = p_name;
 	if (active) {
-		_set_device(capture_device_name, true);
+		_set_device(input_device_name, true);
 	}
 }
 
-PackedStringArray AudioDriverCoreAudio::capture_get_device_list() {
+PackedStringArray AudioDriverCoreAudio::get_input_device_list() {
 	return _get_device_list(true);
 }
 
-String AudioDriverCoreAudio::capture_get_device() {
-	return capture_device_name;
+String AudioDriverCoreAudio::get_input_device() {
+	return input_device_name;
 }
 
 #endif
diff --git a/drivers/coreaudio/audio_driver_coreaudio.h b/drivers/coreaudio/audio_driver_coreaudio.h
index 675265757b..2b192e630e 100644
--- a/drivers/coreaudio/audio_driver_coreaudio.h
+++ b/drivers/coreaudio/audio_driver_coreaudio.h
@@ -47,8 +47,8 @@ class AudioDriverCoreAudio : public AudioDriver {
 	bool active = false;
 	Mutex mutex;
 
-	String device_name = "Default";
-	String capture_device_name = "Default";
+	String output_device_name = "Default";
+	String input_device_name = "Default";
 
 	int mix_rate = 0;
 	unsigned int channels = 2;
@@ -60,7 +60,7 @@ class AudioDriverCoreAudio : public AudioDriver {
 
 #ifdef MACOS_ENABLED
 	PackedStringArray _get_device_list(bool capture = false);
-	void _set_device(const String &device, bool capture = false);
+	void _set_device(const String &output_device, bool capture = false);
 
 	static OSStatus input_device_address_cb(AudioObjectID inObjectID,
 			UInt32 inNumberAddresses, const AudioObjectPropertyAddress *inAddresses,
@@ -107,13 +107,13 @@ public:
 	void stop();
 
 #ifdef MACOS_ENABLED
-	virtual PackedStringArray get_device_list();
-	virtual String get_device();
-	virtual void set_device(String device);
+	virtual PackedStringArray get_output_device_list();
+	virtual String get_output_device();
+	virtual void set_output_device(String output_device);
 
-	virtual PackedStringArray capture_get_device_list();
-	virtual void capture_set_device(const String &p_name);
-	virtual String capture_get_device();
+	virtual PackedStringArray get_input_device_list();
+	virtual void set_input_device(const String &p_name);
+	virtual String get_input_device();
 #endif
 
 	AudioDriverCoreAudio();
diff --git a/drivers/pulseaudio/audio_driver_pulseaudio.cpp b/drivers/pulseaudio/audio_driver_pulseaudio.cpp
index e14c3c7f7a..f96247a473 100644
--- a/drivers/pulseaudio/audio_driver_pulseaudio.cpp
+++ b/drivers/pulseaudio/audio_driver_pulseaudio.cpp
@@ -106,15 +106,15 @@ void AudioDriverPulseAudio::pa_server_info_cb(pa_context *c, const pa_server_inf
 	ERR_FAIL_COND_MSG(!i, "PulseAudio server info is null.");
 	AudioDriverPulseAudio *ad = static_cast<AudioDriverPulseAudio *>(userdata);
 
-	ad->capture_default_device = i->default_source_name;
-	ad->default_device = i->default_sink_name;
+	ad->default_input_device = i->default_source_name;
+	ad->default_output_device = i->default_sink_name;
 	ad->pa_status++;
 }
 
-Error AudioDriverPulseAudio::detect_channels(bool capture) {
-	pa_channel_map_init_stereo(capture ? &pa_rec_map : &pa_map);
+Error AudioDriverPulseAudio::detect_channels(bool input) {
+	pa_channel_map_init_stereo(input ? &pa_rec_map : &pa_map);
 
-	String device = capture ? capture_device_name : device_name;
+	String device = input ? input_device_name : output_device_name;
 	if (device == "Default") {
 		// Get the default output device name
 		pa_status = 0;
@@ -136,7 +136,7 @@ Error AudioDriverPulseAudio::detect_channels(bool capture) {
 
 	char dev[1024];
 	if (device == "Default") {
-		strcpy(dev, capture ? capture_default_device.utf8().get_data() : default_device.utf8().get_data());
+		strcpy(dev, input ? default_input_device.utf8().get_data() : default_output_device.utf8().get_data());
 	} else {
 		strcpy(dev, device.utf8().get_data());
 	}
@@ -145,7 +145,7 @@ Error AudioDriverPulseAudio::detect_channels(bool capture) {
 	// Now using the device name get the amount of channels
 	pa_status = 0;
 	pa_operation *pa_op;
-	if (capture) {
+	if (input) {
 		pa_op = pa_context_get_source_info_by_name(pa_ctx, dev, &AudioDriverPulseAudio::pa_source_info_cb, (void *)this);
 	} else {
 		pa_op = pa_context_get_sink_info_by_name(pa_ctx, dev, &AudioDriverPulseAudio::pa_sink_info_cb, (void *)this);
@@ -165,7 +165,7 @@ Error AudioDriverPulseAudio::detect_channels(bool capture) {
 			return FAILED;
 		}
 	} else {
-		if (capture) {
+		if (input) {
 			ERR_PRINT("pa_context_get_source_info_by_name error");
 		} else {
 			ERR_PRINT("pa_context_get_sink_info_by_name error");
@@ -175,13 +175,13 @@ Error AudioDriverPulseAudio::detect_channels(bool capture) {
 	return OK;
 }
 
-Error AudioDriverPulseAudio::init_device() {
-	// If there is a specified device check that it is really present
-	if (device_name != "Default") {
-		PackedStringArray list = get_device_list();
-		if (list.find(device_name) == -1) {
-			device_name = "Default";
-			new_device = "Default";
+Error AudioDriverPulseAudio::init_output_device() {
+	// If there is a specified output device, check that it is really present
+	if (output_device_name != "Default") {
+		PackedStringArray list = get_output_device_list();
+		if (list.find(output_device_name) == -1) {
+			output_device_name = "Default";
+			new_output_device = "Default";
 		}
 	}
 
@@ -192,7 +192,7 @@ Error AudioDriverPulseAudio::init_device() {
 	Error err = detect_channels();
 	if (err != OK) {
 		// This most likely means there are no sinks.
-		ERR_PRINT("PulseAudio: init device failed to detect number of output channels");
+		ERR_PRINT("PulseAudio: init_output_device failed to detect number of output channels");
 		return err;
 	}
 
@@ -256,7 +256,7 @@ Error AudioDriverPulseAudio::init_device() {
 	attr.maxlength = (uint32_t)-1;
 	attr.minreq = (uint32_t)-1;
 
-	const char *dev = device_name == "Default" ? nullptr : device_name.utf8().get_data();
+	const char *dev = output_device_name == "Default" ? nullptr : output_device_name.utf8().get_data();
 	pa_stream_flags flags = pa_stream_flags(PA_STREAM_INTERPOLATE_TIMING | PA_STREAM_ADJUST_LATENCY | PA_STREAM_AUTO_TIMING_UPDATE);
 	int error_code = pa_stream_connect_playback(pa_str, dev, &attr, flags, nullptr, nullptr);
 	ERR_FAIL_COND_V(error_code < 0, ERR_CANT_OPEN);
@@ -346,7 +346,7 @@ Error AudioDriverPulseAudio::init() {
 		return ERR_CANT_OPEN;
 	}
 
-	init_device();
+	init_output_device();
 	thread.start(AudioDriverPulseAudio::thread_func, this);
 
 	return OK;
@@ -448,18 +448,18 @@ void AudioDriverPulseAudio::thread_func(void *p_udata) {
 			}
 		}
 
-		// User selected a new device, finish the current one so we'll init the new device
-		if (ad->device_name != ad->new_device) {
-			ad->device_name = ad->new_device;
-			ad->finish_device();
+		// User selected a new output device, finish the current one so we'll init the new output device
+		if (ad->output_device_name != ad->new_output_device) {
+			ad->output_device_name = ad->new_output_device;
+			ad->finish_output_device();
 
-			Error err = ad->init_device();
+			Error err = ad->init_output_device();
 			if (err != OK) {
-				ERR_PRINT("PulseAudio: init_device error");
-				ad->device_name = "Default";
-				ad->new_device = "Default";
+				ERR_PRINT("PulseAudio: init_output_device error");
+				ad->output_device_name = "Default";
+				ad->new_output_device = "Default";
 
-				err = ad->init_device();
+				err = ad->init_output_device();
 				if (err != OK) {
 					ad->active.clear();
 					ad->exit_thread.set();
@@ -471,11 +471,11 @@ void AudioDriverPulseAudio::thread_func(void *p_udata) {
 			write_ofs = 0;
 		}
 
-		// If we're using the default device check that the current device is still the default
-		if (ad->device_name == "Default") {
+		// If we're using the default output device, check that the current output device is still the default
+		if (ad->output_device_name == "Default") {
 			uint64_t msec = OS::get_singleton()->get_ticks_msec();
 			if (msec > (default_device_msec + 1000)) {
-				String old_default_device = ad->default_device;
+				String old_default_device = ad->default_output_device;
 
 				default_device_msec = msec;
 
@@ -494,12 +494,12 @@ void AudioDriverPulseAudio::thread_func(void *p_udata) {
 					ERR_PRINT("pa_context_get_server_info error: " + String(pa_strerror(pa_context_errno(ad->pa_ctx))));
 				}
 
-				if (old_default_device != ad->default_device) {
-					ad->finish_device();
+				if (old_default_device != ad->default_output_device) {
+					ad->finish_output_device();
 
-					Error err = ad->init_device();
+					Error err = ad->init_output_device();
 					if (err != OK) {
-						ERR_PRINT("PulseAudio: init_device error");
+						ERR_PRINT("PulseAudio: init_output_device error");
 						ad->active.clear();
 						ad->exit_thread.set();
 						break;
@@ -541,18 +541,18 @@ void AudioDriverPulseAudio::thread_func(void *p_udata) {
 				}
 			}
 
-			// User selected a new device, finish the current one so we'll init the new device
-			if (ad->capture_device_name != ad->capture_new_device) {
-				ad->capture_device_name = ad->capture_new_device;
-				ad->capture_finish_device();
+			// User selected a new input device, finish the current one so we'll init the new input device
+			if (ad->input_device_name != ad->new_input_device) {
+				ad->input_device_name = ad->new_input_device;
+				ad->finish_input_device();
 
-				Error err = ad->capture_init_device();
+				Error err = ad->init_input_device();
 				if (err != OK) {
-					ERR_PRINT("PulseAudio: capture_init_device error");
-					ad->capture_device_name = "Default";
-					ad->capture_new_device = "Default";
+					ERR_PRINT("PulseAudio: init_input_device error");
+					ad->input_device_name = "Default";
+					ad->new_input_device = "Default";
 
-					err = ad->capture_init_device();
+					err = ad->init_input_device();
 					if (err != OK) {
 						ad->active.clear();
 						ad->exit_thread.set();
@@ -596,7 +596,7 @@ void AudioDriverPulseAudio::pa_sinklist_cb(pa_context *c, const pa_sink_info *l,
 	ad->pa_status++;
 }
 
-PackedStringArray AudioDriverPulseAudio::get_device_list() {
+PackedStringArray AudioDriverPulseAudio::get_output_device_list() {
 	pa_devices.clear();
 	pa_devices.push_back("Default");
 
@@ -606,7 +606,7 @@ PackedStringArray AudioDriverPulseAudio::get_device_list() {
 
 	lock();
 
-	// Get the device list
+	// Get the output device list
 	pa_status = 0;
 	pa_operation *pa_op = pa_context_get_sink_info_list(pa_ctx, pa_sinklist_cb, (void *)this);
 	if (pa_op) {
@@ -627,13 +627,13 @@ PackedStringArray AudioDriverPulseAudio::get_device_list() {
 	return pa_devices;
 }
 
-String AudioDriverPulseAudio::get_device() {
-	return device_name;
+String AudioDriverPulseAudio::get_output_device() {
+	return output_device_name;
 }
 
-void AudioDriverPulseAudio::set_device(String device) {
+void AudioDriverPulseAudio::set_output_device(String output_device) {
 	lock();
-	new_device = device;
+	new_output_device = output_device;
 	unlock();
 }
 
@@ -645,7 +645,7 @@ void AudioDriverPulseAudio::unlock() {
 	mutex.unlock();
 }
 
-void AudioDriverPulseAudio::finish_device() {
+void AudioDriverPulseAudio::finish_output_device() {
 	if (pa_str) {
 		pa_stream_disconnect(pa_str);
 		pa_stream_unref(pa_str);
@@ -661,7 +661,7 @@ void AudioDriverPulseAudio::finish() {
 	exit_thread.set();
 	thread.wait_to_finish();
 
-	finish_device();
+	finish_output_device();
 
 	if (pa_ctx) {
 		pa_context_disconnect(pa_ctx);
@@ -675,13 +675,13 @@ void AudioDriverPulseAudio::finish() {
 	}
 }
 
-Error AudioDriverPulseAudio::capture_init_device() {
-	// If there is a specified device check that it is really present
-	if (capture_device_name != "Default") {
-		PackedStringArray list = capture_get_device_list();
-		if (list.find(capture_device_name) == -1) {
-			capture_device_name = "Default";
-			capture_new_device = "Default";
+Error AudioDriverPulseAudio::init_input_device() {
+	// If there is a specified input device, check that it is really present
+	if (input_device_name != "Default") {
+		PackedStringArray list = get_input_device_list();
+		if (list.find(input_device_name) == -1) {
+			input_device_name = "Default";
+			new_input_device = "Default";
 		}
 	}
 
@@ -718,7 +718,7 @@ Error AudioDriverPulseAudio::capture_init_device() {
 		ERR_FAIL_V(ERR_CANT_OPEN);
 	}
 
-	const char *dev = capture_device_name == "Default" ? nullptr : capture_device_name.utf8().get_data();
+	const char *dev = input_device_name == "Default" ? nullptr : input_device_name.utf8().get_data();
 	pa_stream_flags flags = pa_stream_flags(PA_STREAM_INTERPOLATE_TIMING | PA_STREAM_ADJUST_LATENCY | PA_STREAM_AUTO_TIMING_UPDATE);
 	int error_code = pa_stream_connect_record(pa_rec_str, dev, &attr, flags);
 	if (error_code < 0) {
@@ -734,7 +734,7 @@ Error AudioDriverPulseAudio::capture_init_device() {
 	return OK;
 }
 
-void AudioDriverPulseAudio::capture_finish_device() {
+void AudioDriverPulseAudio::finish_input_device() {
 	if (pa_rec_str) {
 		int ret = pa_stream_disconnect(pa_rec_str);
 		if (ret != 0) {
@@ -745,25 +745,25 @@ void AudioDriverPulseAudio::capture_finish_device() {
 	}
 }
 
-Error AudioDriverPulseAudio::capture_start() {
+Error AudioDriverPulseAudio::input_start() {
 	lock();
-	Error err = capture_init_device();
+	Error err = init_input_device();
 	unlock();
 
 	return err;
 }
 
-Error AudioDriverPulseAudio::capture_stop() {
+Error AudioDriverPulseAudio::input_stop() {
 	lock();
-	capture_finish_device();
+	finish_input_device();
 	unlock();
 
 	return OK;
 }
 
-void AudioDriverPulseAudio::capture_set_device(const String &p_name) {
+void AudioDriverPulseAudio::set_input_device(const String &p_name) {
 	lock();
-	capture_new_device = p_name;
+	new_input_device = p_name;
 	unlock();
 }
 
@@ -782,7 +782,7 @@ void AudioDriverPulseAudio::pa_sourcelist_cb(pa_context *c, const pa_source_info
 	ad->pa_status++;
 }
 
-PackedStringArray AudioDriverPulseAudio::capture_get_device_list() {
+PackedStringArray AudioDriverPulseAudio::get_input_device_list() {
 	pa_rec_devices.clear();
 	pa_rec_devices.push_back("Default");
 
@@ -813,9 +813,9 @@ PackedStringArray AudioDriverPulseAudio::capture_get_device_list() {
 	return pa_rec_devices;
 }
 
-String AudioDriverPulseAudio::capture_get_device() {
+String AudioDriverPulseAudio::get_input_device() {
 	lock();
-	String name = capture_device_name;
+	String name = input_device_name;
 	unlock();
 
 	return name;
diff --git a/drivers/pulseaudio/audio_driver_pulseaudio.h b/drivers/pulseaudio/audio_driver_pulseaudio.h
index 16398e67eb..68df03cb60 100644
--- a/drivers/pulseaudio/audio_driver_pulseaudio.h
+++ b/drivers/pulseaudio/audio_driver_pulseaudio.h
@@ -51,13 +51,13 @@ class AudioDriverPulseAudio : public AudioDriver {
 	pa_channel_map pa_map = {};
 	pa_channel_map pa_rec_map = {};
 
-	String device_name = "Default";
-	String new_device = "Default";
-	String default_device;
+	String output_device_name = "Default";
+	String new_output_device = "Default";
+	String default_output_device;
 
-	String capture_device_name;
-	String capture_new_device;
-	String capture_default_device;
+	String input_device_name;
+	String new_input_device;
+	String default_input_device;
 
 	Vector<int32_t> samples_in;
 	Vector<int16_t> samples_out;
@@ -83,11 +83,11 @@ class AudioDriverPulseAudio : public AudioDriver {
 	static void pa_sinklist_cb(pa_context *c, const pa_sink_info *l, int eol, void *userdata);
 	static void pa_sourcelist_cb(pa_context *c, const pa_source_info *l, int eol, void *userdata);
 
-	Error init_device();
-	void finish_device();
+	Error init_output_device();
+	void finish_output_device();
 
-	Error capture_init_device();
-	void capture_finish_device();
+	Error init_input_device();
+	void finish_input_device();
 
 	Error detect_channels(bool capture = false);
 
@@ -103,13 +103,13 @@ public:
 	virtual int get_mix_rate() const;
 	virtual SpeakerMode get_speaker_mode() const;
 
-	virtual PackedStringArray get_device_list();
-	virtual String get_device();
-	virtual void set_device(String device);
+	virtual PackedStringArray get_output_device_list();
+	virtual String get_output_device();
+	virtual void set_output_device(String output_device);
 
-	virtual PackedStringArray capture_get_device_list();
-	virtual void capture_set_device(const String &p_name);
-	virtual String capture_get_device();
+	virtual PackedStringArray get_input_device_list();
+	virtual void set_input_device(const String &p_name);
+	virtual String get_input_device();
 
 	virtual void lock();
 	virtual void unlock();
@@ -117,8 +117,8 @@ public:
 
 	virtual float get_latency();
 
-	virtual Error capture_start();
-	virtual Error capture_stop();
+	virtual Error input_start();
+	virtual Error input_stop();
 
 	AudioDriverPulseAudio();
 	~AudioDriverPulseAudio() {}
diff --git a/drivers/wasapi/audio_driver_wasapi.cpp b/drivers/wasapi/audio_driver_wasapi.cpp
index b2745b1e86..42a2b85200 100644
--- a/drivers/wasapi/audio_driver_wasapi.cpp
+++ b/drivers/wasapi/audio_driver_wasapi.cpp
@@ -118,8 +118,8 @@ const IID IID_IAudioCaptureClient = __uuidof(IAudioCaptureClient);
 
 #define CAPTURE_BUFFER_CHANNELS 2
 
-static bool default_render_device_changed = false;
-static bool default_capture_device_changed = false;
+static bool default_output_device_changed = false;
+static bool default_input_device_changed = false;
 
 // Silence warning due to a COM API weirdness (GH-35194).
 #if defined(__GNUC__) && !defined(__clang__)
@@ -181,9 +181,9 @@ public:
 	HRESULT STDMETHODCALLTYPE OnDefaultDeviceChanged(EDataFlow flow, ERole role, LPCWSTR pwstrDeviceId) {
 		if (role == eConsole) {
 			if (flow == eRender) {
-				default_render_device_changed = true;
+				default_output_device_changed = true;
 			} else if (flow == eCapture) {
-				default_capture_device_changed = true;
+				default_input_device_changed = true;
 			}
 		}
 
@@ -201,10 +201,10 @@ public:
 
 static CMMNotificationClient notif_client;
 
-Error AudioDriverWASAPI::audio_device_init(AudioDeviceWASAPI *p_device, bool p_capture, bool p_reinit, bool p_no_audio_client_3) {
+Error AudioDriverWASAPI::audio_device_init(AudioDeviceWASAPI *p_device, bool p_input, bool p_reinit, bool p_no_audio_client_3) {
 	WAVEFORMATEX *pwfex;
 	IMMDeviceEnumerator *enumerator = nullptr;
-	IMMDevice *device = nullptr;
+	IMMDevice *output_device = nullptr;
 
 	CoInitialize(nullptr);
 
@@ -212,11 +212,11 @@ Error AudioDriverWASAPI::audio_device_init(AudioDeviceWASAPI *p_device, bool p_c
 	ERR_FAIL_COND_V(hr != S_OK, ERR_CANT_OPEN);
 
 	if (p_device->device_name == "Default") {
-		hr = enumerator->GetDefaultAudioEndpoint(p_capture ? eCapture : eRender, eConsole, &device);
+		hr = enumerator->GetDefaultAudioEndpoint(p_input ? eCapture : eRender, eConsole, &output_device);
 	} else {
 		IMMDeviceCollection *devices = nullptr;
 
-		hr = enumerator->EnumAudioEndpoints(p_capture ? eCapture : eRender, DEVICE_STATE_ACTIVE, &devices);
+		hr = enumerator->EnumAudioEndpoints(p_input ? eCapture : eRender, DEVICE_STATE_ACTIVE, &devices);
 		ERR_FAIL_COND_V(hr != S_OK, ERR_CANT_OPEN);
 
 		LPWSTR strId = nullptr;
@@ -255,20 +255,20 @@ Error AudioDriverWASAPI::audio_device_init(AudioDeviceWASAPI *p_device, bool p_c
 		}
 
 		if (found) {
-			hr = enumerator->GetDevice(strId, &device);
+			hr = enumerator->GetDevice(strId, &output_device);
 		}
 
 		if (strId) {
 			CoTaskMemFree(strId);
 		}
 
-		if (device == nullptr) {
-			hr = enumerator->GetDefaultAudioEndpoint(p_capture ? eCapture : eRender, eConsole, &device);
+		if (output_device == nullptr) {
+			hr = enumerator->GetDefaultAudioEndpoint(p_input ? eCapture : eRender, eConsole, &output_device);
 		}
 	}
 
 	if (p_reinit) {
-		// In case we're trying to re-initialize the device prevent throwing this error on the console,
+		// In case we're trying to re-initialize the device, prevent throwing this error on the console,
 		// otherwise if there is currently no device available this will spam the console.
 		if (hr != S_OK) {
 			return ERR_CANT_OPEN;
@@ -284,28 +284,28 @@ Error AudioDriverWASAPI::audio_device_init(AudioDeviceWASAPI *p_device, bool p_c
 		ERR_PRINT("WASAPI: RegisterEndpointNotificationCallback error");
 	}
 
-	using_audio_client_3 = !p_capture; // IID_IAudioClient3 is only used for adjustable output latency (not input)
+	using_audio_client_3 = !p_input; // IID_IAudioClient3 is only used for adjustable output latency (not input)
 
 	if (p_no_audio_client_3) {
 		using_audio_client_3 = false;
 	}
 
 	if (using_audio_client_3) {
-		hr = device->Activate(IID_IAudioClient3, CLSCTX_ALL, nullptr, (void **)&p_device->audio_client);
+		hr = output_device->Activate(IID_IAudioClient3, CLSCTX_ALL, nullptr, (void **)&p_device->audio_client);
 		if (hr != S_OK) {
 			// IID_IAudioClient3 will never activate on OS versions before Windows 10.
 			// Older Windows versions should fall back gracefully.
 			using_audio_client_3 = false;
-			print_verbose("WASAPI: Couldn't activate device with IAudioClient3 interface, falling back to IAudioClient interface");
+			print_verbose("WASAPI: Couldn't activate output_device with IAudioClient3 interface, falling back to IAudioClient interface");
 		} else {
-			print_verbose("WASAPI: Activated device using IAudioClient3 interface");
+			print_verbose("WASAPI: Activated output_device using IAudioClient3 interface");
 		}
 	}
 	if (!using_audio_client_3) {
-		hr = device->Activate(IID_IAudioClient, CLSCTX_ALL, nullptr, (void **)&p_device->audio_client);
+		hr = output_device->Activate(IID_IAudioClient, CLSCTX_ALL, nullptr, (void **)&p_device->audio_client);
 	}
 
-	SAFE_RELEASE(device)
+	SAFE_RELEASE(output_device)
 
 	if (p_reinit) {
 		if (hr != S_OK) {
@@ -339,7 +339,7 @@ Error AudioDriverWASAPI::audio_device_init(AudioDeviceWASAPI *p_device, bool p_c
 	WAVEFORMATEX *closest = nullptr;
 	hr = p_device->audio_client->IsFormatSupported(AUDCLNT_SHAREMODE_SHARED, pwfex, &closest);
 	if (hr == S_FALSE) {
-		WARN_PRINT("WASAPI: Mix format is not supported by the Device");
+		WARN_PRINT("WASAPI: Mix format is not supported by the output_device");
 		if (closest) {
 			print_verbose("WASAPI: closest->wFormatTag = " + itos(closest->wFormatTag));
 			print_verbose("WASAPI: closest->nChannels = " + itos(closest->nChannels));
@@ -385,14 +385,14 @@ Error AudioDriverWASAPI::audio_device_init(AudioDeviceWASAPI *p_device, bool p_c
 			pwfex->nSamplesPerSec = mix_rate;
 			pwfex->nAvgBytesPerSec = pwfex->nSamplesPerSec * pwfex->nChannels * (pwfex->wBitsPerSample / 8);
 		}
-		hr = p_device->audio_client->Initialize(AUDCLNT_SHAREMODE_SHARED, streamflags, p_capture ? REFTIMES_PER_SEC : 0, 0, pwfex, nullptr);
+		hr = p_device->audio_client->Initialize(AUDCLNT_SHAREMODE_SHARED, streamflags, p_input ? REFTIMES_PER_SEC : 0, 0, pwfex, nullptr);
 		ERR_FAIL_COND_V_MSG(hr != S_OK, ERR_CANT_OPEN, "WASAPI: Initialize failed with error 0x" + String::num_uint64(hr, 16) + ".");
 		UINT32 max_frames;
 		hr = p_device->audio_client->GetBufferSize(&max_frames);
 		ERR_FAIL_COND_V(hr != S_OK, ERR_CANT_OPEN);
 
 		// Due to WASAPI Shared Mode we have no control of the buffer size
-		if (!p_capture) {
+		if (!p_input) {
 			buffer_frames = max_frames;
 
 			int64_t latency = 0;
@@ -421,8 +421,8 @@ Error AudioDriverWASAPI::audio_device_init(AudioDeviceWASAPI *p_device, bool p_c
 		if (hr != S_OK) {
 			print_verbose("WASAPI: GetSharedModeEnginePeriod failed with error 0x" + String::num_uint64(hr, 16) + ", falling back to IAudioClient.");
 			CoTaskMemFree(pwfex);
-			SAFE_RELEASE(device)
-			return audio_device_init(p_device, p_capture, p_reinit, true);
+			SAFE_RELEASE(output_device)
+			return audio_device_init(p_device, p_input, p_reinit, true);
 		}
 
 		// Period frames must be an integral multiple of fundamental_period_frames or IAudioClient3 initialization will fail,
@@ -443,8 +443,8 @@ Error AudioDriverWASAPI::audio_device_init(AudioDeviceWASAPI *p_device, bool p_c
 		if (hr != S_OK) {
 			print_verbose("WASAPI: InitializeSharedAudioStream failed with error 0x" + String::num_uint64(hr, 16) + ", falling back to IAudioClient.");
 			CoTaskMemFree(pwfex);
-			SAFE_RELEASE(device);
-			return audio_device_init(p_device, p_capture, p_reinit, true);
+			SAFE_RELEASE(output_device);
+			return audio_device_init(p_device, p_input, p_reinit, true);
 		} else {
 			uint32_t output_latency_in_frames;
 			WAVEFORMATEX *current_pwfex;
@@ -455,13 +455,13 @@ Error AudioDriverWASAPI::audio_device_init(AudioDeviceWASAPI *p_device, bool p_c
 			} else {
 				print_verbose("WASAPI: GetCurrentSharedModeEnginePeriod failed with error 0x" + String::num_uint64(hr, 16) + ", falling back to IAudioClient.");
 				CoTaskMemFree(pwfex);
-				SAFE_RELEASE(device);
-				return audio_device_init(p_device, p_capture, p_reinit, true);
+				SAFE_RELEASE(output_device);
+				return audio_device_init(p_device, p_input, p_reinit, true);
 			}
 		}
 	}
 
-	if (p_capture) {
+	if (p_input) {
 		hr = p_device->audio_client->GetService(IID_IAudioCaptureClient, (void **)&p_device->capture_client);
 	} else {
 		hr = p_device->audio_client->GetService(IID_IAudioRenderClient, (void **)&p_device->render_client);
@@ -470,12 +470,12 @@ Error AudioDriverWASAPI::audio_device_init(AudioDeviceWASAPI *p_device, bool p_c
 
 	// Free memory
 	CoTaskMemFree(pwfex);
-	SAFE_RELEASE(device)
+	SAFE_RELEASE(output_device)
 
 	return OK;
 }
 
-Error AudioDriverWASAPI::init_render_device(bool p_reinit) {
+Error AudioDriverWASAPI::init_output_device(bool p_reinit) {
 	Error err = audio_device_init(&audio_output, false, p_reinit);
 	if (err != OK) {
 		return err;
@@ -507,7 +507,7 @@ Error AudioDriverWASAPI::init_render_device(bool p_reinit) {
 	return OK;
 }
 
-Error AudioDriverWASAPI::init_capture_device(bool p_reinit) {
+Error AudioDriverWASAPI::init_input_device(bool p_reinit) {
 	Error err = audio_device_init(&audio_input, true, p_reinit);
 	if (err != OK) {
 		return err;
@@ -538,11 +538,11 @@ Error AudioDriverWASAPI::audio_device_finish(AudioDeviceWASAPI *p_device) {
 	return OK;
 }
 
-Error AudioDriverWASAPI::finish_render_device() {
+Error AudioDriverWASAPI::finish_output_device() {
 	return audio_device_finish(&audio_output);
 }
 
-Error AudioDriverWASAPI::finish_capture_device() {
+Error AudioDriverWASAPI::finish_input_device() {
 	return audio_device_finish(&audio_input);
 }
 
@@ -551,9 +551,9 @@ Error AudioDriverWASAPI::init() {
 
 	target_latency_ms = GLOBAL_GET("audio/driver/output_latency");
 
-	Error err = init_render_device();
+	Error err = init_output_device();
 	if (err != OK) {
-		ERR_PRINT("WASAPI: init_render_device error");
+		ERR_PRINT("WASAPI: init_output_device error");
 	}
 
 	exit_thread.clear();
@@ -575,7 +575,7 @@ AudioDriver::SpeakerMode AudioDriverWASAPI::get_speaker_mode() const {
 	return get_speaker_mode_by_total_channels(channels);
 }
 
-PackedStringArray AudioDriverWASAPI::audio_device_get_list(bool p_capture) {
+PackedStringArray AudioDriverWASAPI::audio_device_get_list(bool p_input) {
 	PackedStringArray list;
 	IMMDeviceCollection *devices = nullptr;
 	IMMDeviceEnumerator *enumerator = nullptr;
@@ -587,7 +587,7 @@ PackedStringArray AudioDriverWASAPI::audio_device_get_list(bool p_capture) {
 	HRESULT hr = CoCreateInstance(CLSID_MMDeviceEnumerator, nullptr, CLSCTX_ALL, IID_IMMDeviceEnumerator, (void **)&enumerator);
 	ERR_FAIL_COND_V(hr != S_OK, PackedStringArray());
 
-	hr = enumerator->EnumAudioEndpoints(p_capture ? eCapture : eRender, DEVICE_STATE_ACTIVE, &devices);
+	hr = enumerator->EnumAudioEndpoints(p_input ? eCapture : eRender, DEVICE_STATE_ACTIVE, &devices);
 	ERR_FAIL_COND_V(hr != S_OK, PackedStringArray());
 
 	UINT count = 0;
@@ -595,13 +595,13 @@ PackedStringArray AudioDriverWASAPI::audio_device_get_list(bool p_capture) {
 	ERR_FAIL_COND_V(hr != S_OK, PackedStringArray());
 
 	for (ULONG i = 0; i < count; i++) {
-		IMMDevice *device = nullptr;
+		IMMDevice *output_device = nullptr;
 
-		hr = devices->Item(i, &device);
+		hr = devices->Item(i, &output_device);
 		ERR_BREAK(hr != S_OK);
 
 		IPropertyStore *props = nullptr;
-		hr = device->OpenPropertyStore(STGM_READ, &props);
+		hr = output_device->OpenPropertyStore(STGM_READ, &props);
 		ERR_BREAK(hr != S_OK);
 
 		PROPVARIANT propvar;
@@ -614,7 +614,7 @@ PackedStringArray AudioDriverWASAPI::audio_device_get_list(bool p_capture) {
 
 		PropVariantClear(&propvar);
 		props->Release();
-		device->Release();
+		output_device->Release();
 	}
 
 	devices->Release();
@@ -622,11 +622,11 @@ PackedStringArray AudioDriverWASAPI::audio_device_get_list(bool p_capture) {
 	return list;
 }
 
-PackedStringArray AudioDriverWASAPI::get_device_list() {
+PackedStringArray AudioDriverWASAPI::get_output_device_list() {
 	return audio_device_get_list(false);
 }
 
-String AudioDriverWASAPI::get_device() {
+String AudioDriverWASAPI::get_output_device() {
 	lock();
 	String name = audio_output.device_name;
 	unlock();
@@ -634,9 +634,9 @@ String AudioDriverWASAPI::get_device() {
 	return name;
 }
 
-void AudioDriverWASAPI::set_device(String device) {
+void AudioDriverWASAPI::set_output_device(String output_device) {
 	lock();
-	audio_output.new_device = device;
+	audio_output.new_device = output_device;
 	unlock();
 }
 
@@ -769,13 +769,13 @@ void AudioDriverWASAPI::thread_func(void *p_udata) {
 						avail_frames -= write_frames;
 						written_frames += write_frames;
 					} else if (hr == AUDCLNT_E_DEVICE_INVALIDATED) {
-						// Device is not valid anymore, reopen it
+						// output_device is not valid anymore, reopen it
 
-						Error err = ad->finish_render_device();
+						Error err = ad->finish_output_device();
 						if (err != OK) {
-							ERR_PRINT("WASAPI: finish_render_device error");
+							ERR_PRINT("WASAPI: finish_output_device error");
 						} else {
-							// We reopened the device and samples_in may have resized, so invalidate the current avail_frames
+							// We reopened the output device and samples_in may have resized, so invalidate the current avail_frames
 							avail_frames = 0;
 						}
 					} else {
@@ -790,37 +790,37 @@ void AudioDriverWASAPI::thread_func(void *p_udata) {
 			}
 
 			if (invalidated) {
-				// Device is not valid anymore
-				WARN_PRINT("WASAPI: Current device invalidated, closing device");
+				// output_device is not valid anymore
+				WARN_PRINT("WASAPI: Current output_device invalidated, closing output_device");
 
-				Error err = ad->finish_render_device();
+				Error err = ad->finish_output_device();
 				if (err != OK) {
-					ERR_PRINT("WASAPI: finish_render_device error");
+					ERR_PRINT("WASAPI: finish_output_device error");
 				}
 			}
 		}
 
-		// If we're using the Default device and it changed finish it so we'll re-init the device
-		if (ad->audio_output.device_name == "Default" && default_render_device_changed) {
-			Error err = ad->finish_render_device();
+		// If we're using the Default output device and it changed finish it so we'll re-init the output device
+		if (ad->audio_output.device_name == "Default" && default_output_device_changed) {
+			Error err = ad->finish_output_device();
 			if (err != OK) {
-				ERR_PRINT("WASAPI: finish_render_device error");
+				ERR_PRINT("WASAPI: finish_output_device error");
 			}
 
-			default_render_device_changed = false;
+			default_output_device_changed = false;
 		}
 
-		// User selected a new device, finish the current one so we'll init the new device
+		// User selected a new output device, finish the current one so we'll init the new output device
 		if (ad->audio_output.device_name != ad->audio_output.new_device) {
 			ad->audio_output.device_name = ad->audio_output.new_device;
-			Error err = ad->finish_render_device();
+			Error err = ad->finish_output_device();
 			if (err != OK) {
-				ERR_PRINT("WASAPI: finish_render_device error");
+				ERR_PRINT("WASAPI: finish_output_device error");
 			}
 		}
 
 		if (!ad->audio_output.audio_client) {
-			Error err = ad->init_render_device(true);
+			Error err = ad->init_output_device(true);
 			if (err == OK) {
 				ad->start();
 			}
@@ -873,29 +873,29 @@ void AudioDriverWASAPI::thread_func(void *p_udata) {
 				}
 			}
 
-			// If we're using the Default device and it changed finish it so we'll re-init the device
-			if (ad->audio_input.device_name == "Default" && default_capture_device_changed) {
-				Error err = ad->finish_capture_device();
+			// If we're using the Default output device and it changed finish it so we'll re-init the output device
+			if (ad->audio_input.device_name == "Default" && default_input_device_changed) {
+				Error err = ad->finish_input_device();
 				if (err != OK) {
-					ERR_PRINT("WASAPI: finish_capture_device error");
+					ERR_PRINT("WASAPI: finish_input_device error");
 				}
 
-				default_capture_device_changed = false;
+				default_input_device_changed = false;
 			}
 
-			// User selected a new device, finish the current one so we'll init the new device
+			// User selected a new input device, finish the current one so we'll init the new input device
 			if (ad->audio_input.device_name != ad->audio_input.new_device) {
 				ad->audio_input.device_name = ad->audio_input.new_device;
-				Error err = ad->finish_capture_device();
+				Error err = ad->finish_input_device();
 				if (err != OK) {
-					ERR_PRINT("WASAPI: finish_capture_device error");
+					ERR_PRINT("WASAPI: finish_input_device error");
 				}
 			}
 
 			if (!ad->audio_input.audio_client) {
-				Error err = ad->init_capture_device(true);
+				Error err = ad->init_input_device(true);
 				if (err == OK) {
-					ad->capture_start();
+					ad->input_start();
 				}
 			}
 		}
@@ -933,14 +933,14 @@ void AudioDriverWASAPI::finish() {
 	exit_thread.set();
 	thread.wait_to_finish();
 
-	finish_capture_device();
-	finish_render_device();
+	finish_input_device();
+	finish_output_device();
 }
 
-Error AudioDriverWASAPI::capture_start() {
-	Error err = init_capture_device();
+Error AudioDriverWASAPI::input_start() {
+	Error err = init_input_device();
 	if (err != OK) {
-		ERR_PRINT("WASAPI: init_capture_device error");
+		ERR_PRINT("WASAPI: init_input_device error");
 		return err;
 	}
 
@@ -953,7 +953,7 @@ Error AudioDriverWASAPI::capture_start() {
 	return OK;
 }
 
-Error AudioDriverWASAPI::capture_stop() {
+Error AudioDriverWASAPI::input_stop() {
 	if (audio_input.active.is_set()) {
 		audio_input.audio_client->Stop();
 		audio_input.active.clear();
@@ -964,17 +964,17 @@ Error AudioDriverWASAPI::capture_stop() {
 	return FAILED;
 }
 
-void AudioDriverWASAPI::capture_set_device(const String &p_name) {
+void AudioDriverWASAPI::set_input_device(const String &p_name) {
 	lock();
 	audio_input.new_device = p_name;
 	unlock();
 }
 
-PackedStringArray AudioDriverWASAPI::capture_get_device_list() {
+PackedStringArray AudioDriverWASAPI::get_input_device_list() {
 	return audio_device_get_list(true);
 }
 
-String AudioDriverWASAPI::capture_get_device() {
+String AudioDriverWASAPI::get_input_device() {
 	lock();
 	String name = audio_input.device_name;
 	unlock();
diff --git a/drivers/wasapi/audio_driver_wasapi.h b/drivers/wasapi/audio_driver_wasapi.h
index 6eea24f78a..bf18ba8c99 100644
--- a/drivers/wasapi/audio_driver_wasapi.h
+++ b/drivers/wasapi/audio_driver_wasapi.h
@@ -47,8 +47,8 @@ class AudioDriverWASAPI : public AudioDriver {
 	class AudioDeviceWASAPI {
 	public:
 		IAudioClient *audio_client = nullptr;
-		IAudioRenderClient *render_client = nullptr;
-		IAudioCaptureClient *capture_client = nullptr;
+		IAudioRenderClient *render_client = nullptr; // Output
+		IAudioCaptureClient *capture_client = nullptr; // Input
 		SafeFlag active;
 
 		WORD format_tag = 0;
@@ -56,8 +56,8 @@ class AudioDriverWASAPI : public AudioDriver {
 		unsigned int channels = 0;
 		unsigned int frame_size = 0;
 
-		String device_name = "Default";
-		String new_device = "Default";
+		String device_name = "Default"; // Output OR Input
+		String new_device = "Default"; // Output OR Input
 
 		AudioDeviceWASAPI() {}
 	};
@@ -83,15 +83,15 @@ class AudioDriverWASAPI : public AudioDriver {
 	static _FORCE_INLINE_ int32_t read_sample(WORD format_tag, int bits_per_sample, BYTE *buffer, int i);
 	static void thread_func(void *p_udata);
 
-	Error init_render_device(bool p_reinit = false);
-	Error init_capture_device(bool p_reinit = false);
+	Error init_output_device(bool p_reinit = false);
+	Error init_input_device(bool p_reinit = false);
 
-	Error finish_render_device();
-	Error finish_capture_device();
+	Error finish_output_device();
+	Error finish_input_device();
 
-	Error audio_device_init(AudioDeviceWASAPI *p_device, bool p_capture, bool p_reinit, bool p_no_audio_client_3 = false);
+	Error audio_device_init(AudioDeviceWASAPI *p_device, bool p_input, bool p_reinit, bool p_no_audio_client_3 = false);
 	Error audio_device_finish(AudioDeviceWASAPI *p_device);
-	PackedStringArray audio_device_get_list(bool p_capture);
+	PackedStringArray audio_device_get_list(bool p_input);
 
 public:
 	virtual const char *get_name() const {
@@ -103,18 +103,18 @@ public:
 	virtual int get_mix_rate() const;
 	virtual float get_latency();
 	virtual SpeakerMode get_speaker_mode() const;
-	virtual PackedStringArray get_device_list();
-	virtual String get_device();
-	virtual void set_device(String device);
+	virtual PackedStringArray get_output_device_list();
+	virtual String get_output_device();
+	virtual void set_output_device(String output_device);
 	virtual void lock();
 	virtual void unlock();
 	virtual void finish();
 
-	virtual Error capture_start();
-	virtual Error capture_stop();
-	virtual PackedStringArray capture_get_device_list();
-	virtual void capture_set_device(const String &p_name);
-	virtual String capture_get_device();
+	virtual Error input_start();
+	virtual Error input_stop();
+	virtual PackedStringArray get_input_device_list();
+	virtual void set_input_device(const String &p_name);
+	virtual String get_input_device();
 
 	AudioDriverWASAPI();
 };
diff --git a/editor/project_converter_3_to_4.cpp b/editor/project_converter_3_to_4.cpp
index 058d77380f..d3e16211f7 100644
--- a/editor/project_converter_3_to_4.cpp
+++ b/editor/project_converter_3_to_4.cpp
@@ -241,6 +241,9 @@ const char *ProjectConverter3To4::gdscript_function_renames[][2] = {
 	{ "can_generate_small_preview", "_can_generate_small_preview" }, // EditorResourcePreviewGenerator
 	{ "can_instance", "can_instantiate" }, // PackedScene, Script
 	{ "canvas_light_set_scale", "canvas_light_set_texture_scale" }, // RenderingServer
+	{ "capture_get_device", "get_input_device" }, // AudioServer
+	{ "capture_get_device_list", "get_input_device_list" }, // AudioServer
+	{ "capture_set_device", "set_input_device" }, // AudioServer
 	{ "center_viewport_to_cursor", "center_viewport_to_caret" }, // TextEdit
 	{ "change_scene", "change_scene_to_file" }, // SceneTree
 	{ "change_scene_to", "change_scene_to_packed" }, // SceneTree
@@ -301,6 +304,8 @@ const char *ProjectConverter3To4::gdscript_function_renames[][2] = {
 	{ "get_cursor_position", "get_caret_column" }, // LineEdit
 	{ "get_d", "get_distance" }, // LineShape2D
 	{ "get_depth_bias_enable", "get_depth_bias_enabled" }, // RDPipelineRasterizationState
+	{ "get_device", "get_output_device" }, // AudioServer
+	{ "get_device_list", "get_output_device_list" }, // AudioServer
 	{ "get_drag_data", "_get_drag_data" }, // Control
 	{ "get_editor_viewport", "get_editor_main_screen" }, // EditorPlugin
 	{ "get_enabled_focus_mode", "get_focus_mode" }, // BaseButton
@@ -499,6 +504,7 @@ const char *ProjectConverter3To4::gdscript_function_renames[][2] = {
 	{ "set_cursor_position", "set_caret_column" }, // LineEdit
 	{ "set_d", "set_distance" }, // WorldMarginShape2D
 	{ "set_depth_bias_enable", "set_depth_bias_enabled" }, // RDPipelineRasterizationState
+	{ "set_device", "set_output_device" }, // AudioServer
 	{ "set_doubleclick", "set_double_click" }, // InputEventMouseButton
 	{ "set_draw_red", "set_draw_warning" }, // EditorProperty
 	{ "set_enable_follow_smoothing", "set_position_smoothing_enabled" }, // Camera2D
@@ -697,6 +703,9 @@ const char *ProjectConverter3To4::csharp_function_renames[][2] = {
 	{ "CanGenerateSmallPreview", "_CanGenerateSmallPreview" }, // EditorResourcePreviewGenerator
 	{ "CanInstance", "CanInstantiate" }, // PackedScene, Script
 	{ "CanvasLightSetScale", "CanvasLightSetTextureScale" }, // RenderingServer
+	{ "CaptureGetDevice", "GetInputDevice" }, // AudioServer
+	{ "CaptureGetDeviceList", "GetInputDeviceList" }, // AudioServer
+	{ "CaptureSetDevice", "SetInputDevice" }, // AudioServer
 	{ "CenterViewportToCursor", "CenterViewportToCaret" }, // TextEdit
 	{ "ChangeScene", "ChangeSceneToFile" }, // SceneTree
 	{ "ChangeSceneTo", "ChangeSceneToPacked" }, // SceneTree
@@ -754,6 +763,8 @@ const char *ProjectConverter3To4::csharp_function_renames[][2] = {
 	{ "GetCursorPosition", "GetCaretColumn" }, // LineEdit
 	{ "GetD", "GetDistance" }, // LineShape2D
 	{ "GetDepthBiasEnable", "GetDepthBiasEnabled" }, // RDPipelineRasterizationState
+	{ "GetDevice", "GetOutputDevice" }, // AudioServer
+	{ "GetDeviceList", "GetOutputDeviceList" }, // AudioServer
 	{ "GetDragDataFw", "_GetDragDataFw" }, // ScriptEditor
 	{ "GetEditorViewport", "GetViewport" }, // EditorPlugin
 	{ "GetEnabledFocusMode", "GetFocusMode" }, // BaseButton
@@ -942,6 +953,7 @@ const char *ProjectConverter3To4::csharp_function_renames[][2] = {
 	{ "SetCursorPosition", "SetCaretColumn" }, // LineEdit
 	{ "SetD", "SetDistance" }, // WorldMarginShape2D
 	{ "SetDepthBiasEnable", "SetDepthBiasEnabled" }, // RDPipelineRasterizationState
+	{ "SetDevice", "SetOutputDevice" }, // AudioServer
 	{ "SetDoubleclick", "SetDoubleClick" }, // InputEventMouseButton
 	{ "SetEnableFollowSmoothing", "SetFollowSmoothingEnabled" }, // Camera2D
 	{ "SetEnabledFocusMode", "SetFocusMode" }, // BaseButton
@@ -1070,6 +1082,7 @@ const char *ProjectConverter3To4::gdscript_properties_renames[][2] = {
 	//	// {"shift","shift_pressed"},// This may broke a lot of comments and user variables
 	//	{ "autowrap", "autowrap_mode" }, // Label
 	//	{ "cast_to", "target_position" }, // RayCast2D, RayCast3D
+	//	{ "device", "output_device"}, // AudioServer - Too vague, most likely breaks comments & variables
 	//	{ "doubleclick", "double_click" }, // InputEventMouseButton
 	//	{ "group", "button_group" }, // BaseButton
 	//	{ "process_mode", "process_callback" }, // AnimationTree, Camera2D
@@ -1085,6 +1098,7 @@ const char *ProjectConverter3To4::gdscript_properties_renames[][2] = {
 	{ "bbcode_text", "text" }, // RichTextLabel
 	{ "bg", "panel" }, // Theme
 	{ "bg_focus", "focus" }, // Theme
+	{ "capture_device", "input_device" }, // AudioServer
 	{ "caret_blink_speed", "caret_blink_interval" }, // TextEdit, LineEdit
 	{ "caret_moving_by_right_click", "caret_move_on_right_click" }, // TextEdit
 	{ "caret_position", "caret_column" }, // LineEdit
diff --git a/servers/audio_server.cpp b/servers/audio_server.cpp
index 6b4435a991..8c877e4eed 100644
--- a/servers/audio_server.cpp
+++ b/servers/audio_server.cpp
@@ -144,7 +144,7 @@ int AudioDriver::get_total_channels_by_speaker_mode(AudioDriver::SpeakerMode p_m
 	ERR_FAIL_V(2);
 }
 
-PackedStringArray AudioDriver::get_device_list() {
+PackedStringArray AudioDriver::get_output_device_list() {
 	PackedStringArray list;
 
 	list.push_back("Default");
@@ -152,11 +152,11 @@ PackedStringArray AudioDriver::get_device_list() {
 	return list;
 }
 
-String AudioDriver::get_device() {
+String AudioDriver::get_output_device() {
 	return "Default";
 }
 
-PackedStringArray AudioDriver::capture_get_device_list() {
+PackedStringArray AudioDriver::get_input_device_list() {
 	PackedStringArray list;
 
 	list.push_back("Default");
@@ -238,7 +238,7 @@ void AudioServer::_driver_process(int p_frames, int32_t *p_buffer) {
 #endif
 
 	if (channel_count != get_channel_count()) {
-		// Amount of channels changed due to a device change
+		// Amount of channels changed due to a output_device change
 		// reinitialize the buses channels and buffers
 		init_channels_and_buffers();
 	}
@@ -1632,28 +1632,28 @@ Ref<AudioBusLayout> AudioServer::generate_bus_layout() const {
 	return state;
 }
 
-PackedStringArray AudioServer::get_device_list() {
-	return AudioDriver::get_singleton()->get_device_list();
+PackedStringArray AudioServer::get_output_device_list() {
+	return AudioDriver::get_singleton()->get_output_device_list();
 }
 
-String AudioServer::get_device() {
-	return AudioDriver::get_singleton()->get_device();
+String AudioServer::get_output_device() {
+	return AudioDriver::get_singleton()->get_output_device();
 }
 
-void AudioServer::set_device(String device) {
-	AudioDriver::get_singleton()->set_device(device);
+void AudioServer::set_output_device(String output_device) {
+	AudioDriver::get_singleton()->set_output_device(output_device);
 }
 
-PackedStringArray AudioServer::capture_get_device_list() {
-	return AudioDriver::get_singleton()->capture_get_device_list();
+PackedStringArray AudioServer::get_input_device_list() {
+	return AudioDriver::get_singleton()->get_input_device_list();
 }
 
-String AudioServer::capture_get_device() {
-	return AudioDriver::get_singleton()->capture_get_device();
+String AudioServer::get_input_device() {
+	return AudioDriver::get_singleton()->get_input_device();
 }
 
-void AudioServer::capture_set_device(const String &p_name) {
-	AudioDriver::get_singleton()->capture_set_device(p_name);
+void AudioServer::set_input_device(const String &p_name) {
+	AudioDriver::get_singleton()->set_input_device(p_name);
 }
 
 void AudioServer::set_enable_tagging_used_audio_streams(bool p_enable) {
@@ -1711,17 +1711,17 @@ 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_device_list"), &AudioServer::get_device_list);
-	ClassDB::bind_method(D_METHOD("get_device"), &AudioServer::get_device);
-	ClassDB::bind_method(D_METHOD("set_device", "device"), &AudioServer::set_device);
+	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", "output_device"), &AudioServer::set_output_device);
 
 	ClassDB::bind_method(D_METHOD("get_time_to_next_mix"), &AudioServer::get_time_to_next_mix);
 	ClassDB::bind_method(D_METHOD("get_time_since_last_mix"), &AudioServer::get_time_since_last_mix);
 	ClassDB::bind_method(D_METHOD("get_output_latency"), &AudioServer::get_output_latency);
 
-	ClassDB::bind_method(D_METHOD("capture_get_device_list"), &AudioServer::capture_get_device_list);
-	ClassDB::bind_method(D_METHOD("capture_get_device"), &AudioServer::capture_get_device);
-	ClassDB::bind_method(D_METHOD("capture_set_device", "name"), &AudioServer::capture_set_device);
+	ClassDB::bind_method(D_METHOD("get_input_device_list"), &AudioServer::get_input_device_list);
+	ClassDB::bind_method(D_METHOD("get_input_device"), &AudioServer::get_input_device);
+	ClassDB::bind_method(D_METHOD("set_input_device", "name"), &AudioServer::set_input_device);
 
 	ClassDB::bind_method(D_METHOD("set_bus_layout", "bus_layout"), &AudioServer::set_bus_layout);
 	ClassDB::bind_method(D_METHOD("generate_bus_layout"), &AudioServer::generate_bus_layout);
@@ -1729,11 +1729,11 @@ void AudioServer::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_enable_tagging_used_audio_streams", "enable"), &AudioServer::set_enable_tagging_used_audio_streams);
 
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "bus_count"), "set_bus_count", "get_bus_count");
-	ADD_PROPERTY(PropertyInfo(Variant::STRING, "device"), "set_device", "get_device");
-	ADD_PROPERTY(PropertyInfo(Variant::STRING, "capture_device"), "capture_set_device", "capture_get_device");
+	ADD_PROPERTY(PropertyInfo(Variant::STRING, "output_device"), "set_output_device", "get_output_device");
+	ADD_PROPERTY(PropertyInfo(Variant::STRING, "input_device"), "set_input_device", "get_input_device");
 	// The default value may be set to an empty string by the platform-specific audio driver.
 	// Override for class reference generation purposes.
-	ADD_PROPERTY_DEFAULT("capture_device", "Default");
+	ADD_PROPERTY_DEFAULT("input_device", "Default");
 	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "playback_speed_scale"), "set_playback_speed_scale", "get_playback_speed_scale");
 
 	ADD_SIGNAL(MethodInfo("bus_layout_changed"));
diff --git a/servers/audio_server.h b/servers/audio_server.h
index a369efedf7..d3d87a8400 100644
--- a/servers/audio_server.h
+++ b/servers/audio_server.h
@@ -94,18 +94,18 @@ public:
 	virtual void start() = 0;
 	virtual int get_mix_rate() const = 0;
 	virtual SpeakerMode get_speaker_mode() const = 0;
-	virtual PackedStringArray get_device_list();
-	virtual String get_device();
-	virtual void set_device(String device) {}
+	virtual PackedStringArray get_output_device_list();
+	virtual String get_output_device();
+	virtual void set_output_device(String output_device) {}
 	virtual void lock() = 0;
 	virtual void unlock() = 0;
 	virtual void finish() = 0;
 
 	virtual Error capture_start() { return FAILED; }
 	virtual Error capture_stop() { return FAILED; }
-	virtual void capture_set_device(const String &p_name) {}
-	virtual String capture_get_device() { return "Default"; }
-	virtual PackedStringArray capture_get_device_list();
+	virtual void set_input_device(const String &p_name) {}
+	virtual String get_input_device() { return "Default"; }
+	virtual PackedStringArray get_input_device_list();
 
 	virtual float get_latency() { return 0; }
 
@@ -419,13 +419,13 @@ public:
 	void set_bus_layout(const Ref<AudioBusLayout> &p_bus_layout);
 	Ref<AudioBusLayout> generate_bus_layout() const;
 
-	PackedStringArray get_device_list();
-	String get_device();
-	void set_device(String device);
+	PackedStringArray get_output_device_list();
+	String get_output_device();
+	void set_output_device(String output_device);
 
-	PackedStringArray capture_get_device_list();
-	String capture_get_device();
-	void capture_set_device(const String &p_name);
+	PackedStringArray get_input_device_list();
+	String get_input_device();
+	void set_input_device(const String &p_name);
 
 	void set_enable_tagging_used_audio_streams(bool p_enable);