Add support for Virtual Audio Cable (#2483)

Author: DevanWolf

alvr/audio/src/lib.rs

@@ -34,6 +34,7 @@ static VIRTUAL_MICROPHONE_PAIRS: Lazy<HashMap<&str, &str>> = Lazy::new(|| {
         ("VoiceMeeter Input", "VoiceMeeter Output"),
         ("VoiceMeeter Aux Input", "VoiceMeeter Aux Output"),
         ("VoiceMeeter VAIO3 Input", "VoiceMeeter VAIO3 Output"),
+        ("Virtual Cable 1", "Virtual Cable 2"),
     ]
     .into_iter()
     .collect()
@@ -148,6 +149,9 @@ impl AudioDevice {
             MicrophoneDevicesConfig::VoiceMeeterVaio3 => {
                 microphone_pair_from_sink_name(&host, "VoiceMeeter VAIO3 Input")?
             }
+            MicrophoneDevicesConfig::VAC => {
+                microphone_pair_from_sink_name(&host, "Virtual Cable 1")?
+            }
             MicrophoneDevicesConfig::Custom { sink, source } => (
                 device_from_custom_config(&host, &sink)?,
                 device_from_custom_config(&host, &source)?,

alvr/dashboard/src/dashboard/components/settings_controls/presets/builtin_schema.rs

@@ -280,6 +280,7 @@ pub fn microphone_schema(devices: Vec<String>) -> PresetSchemaNode {
             ("VoiceMeeter", "VoiceMeeter"),
             ("VoiceMeeterAux", "VoiceMeeter Aux"),
             ("VoiceMeeterVaio3", "VoiceMeeter VAIO3"),
+            ("VAC", "Virtual Audio Cable"),
         ] {
             microhone_options.push(HigherOrderChoiceOption {
                 display_name: display_name.into(),

alvr/dashboard/src/dashboard/components/setup_wizard.rs

@@ -113,7 +113,7 @@ Make sure you have at least one output audio device.",
                 ui,
                 "Software requirements",
                 if cfg!(windows) {
-                    r"To stream the headset microphone on Windows you need to install VB-Cable or Voicemeeter."
+                    r"To stream the headset microphone on Windows you need to install VB-Cable, Voicemeeter, or Virtual Audio Cable."
                 } else if cfg!(target_os = "linux") {
                     r"You need the PipeWire package to be able to stream audio."
                 } else {

alvr/session/src/settings.rs

@@ -681,6 +681,8 @@ pub enum MicrophoneDevicesConfig {
     VoiceMeeterAux,
     #[schema(strings(display_name = "VoiceMeeter VAIO3"))]
     VoiceMeeterVaio3,
+    #[schema(strings(display_name = "Virtual Audio Cable"))]
+    VAC,
     Custom {
         #[schema(strings(help = "This device is used by ALVR to output microphone audio"))]
         sink: CustomAudioDeviceConfig,