Voice Wake: preserve mic selection across disconnects

- Keep the chosen mic label visible when it disconnects and show a disconnected hint while falling back to system default.
- Avoid clearing the preferred mic on device changes so it auto-restores when available.
- Add audio input change and default-input logs in voice wake runtime/tester/meter to debug routing.
This commit is contained in:
Xaden Ryan
2026-01-07 17:08:28 -07:00
committed by Peter Steinberger
parent 830613d9fa
commit 804177b1f5
8 changed files with 426 additions and 18 deletions

View File

@@ -100,6 +100,10 @@ final class AppState {
}
}
var voiceWakeMicName: String {
didSet { self.ifNotPreview { UserDefaults.standard.set(self.voiceWakeMicName, forKey: voiceWakeMicNameKey) } }
}
var voiceWakeLocaleID: String {
didSet {
self.ifNotPreview {
@@ -229,6 +233,7 @@ final class AppState {
}
self.showDockIcon = UserDefaults.standard.bool(forKey: showDockIconKey)
self.voiceWakeMicID = UserDefaults.standard.string(forKey: voiceWakeMicKey) ?? ""
self.voiceWakeMicName = UserDefaults.standard.string(forKey: voiceWakeMicNameKey) ?? ""
self.voiceWakeLocaleID = UserDefaults.standard.string(forKey: voiceWakeLocaleKey) ?? Locale.current.identifier
self.voiceWakeAdditionalLocaleIDs = UserDefaults.standard
.stringArray(forKey: voiceWakeAdditionalLocalesKey) ?? []
@@ -583,6 +588,7 @@ extension AppState {
state.iconAnimationsEnabled = true
state.showDockIcon = true
state.voiceWakeMicID = "BuiltInMic"
state.voiceWakeMicName = "Built-in Microphone"
state.voiceWakeLocaleID = Locale.current.identifier
state.voiceWakeAdditionalLocaleIDs = ["en-US", "de-DE"]
state.voicePushToTalkEnabled = false

View File

@@ -0,0 +1,216 @@
import CoreAudio
import Foundation
import OSLog
final class AudioInputDeviceObserver {
private let logger = Logger(subsystem: "com.clawdbot", category: "audio.devices")
private var isActive = false
private var devicesListener: AudioObjectPropertyListenerBlock?
private var defaultInputListener: AudioObjectPropertyListenerBlock?
static func defaultInputDeviceUID() -> String? {
let systemObject = AudioObjectID(kAudioObjectSystemObject)
var address = AudioObjectPropertyAddress(
mSelector: kAudioHardwarePropertyDefaultInputDevice,
mScope: kAudioObjectPropertyScopeGlobal,
mElement: kAudioObjectPropertyElementMain)
var deviceID = AudioObjectID(0)
var size = UInt32(MemoryLayout<AudioObjectID>.size)
let status = AudioObjectGetPropertyData(
systemObject,
&address,
0,
nil,
&size,
&deviceID)
guard status == noErr, deviceID != 0 else { return nil }
return self.deviceUID(for: deviceID)
}
static func aliveInputDeviceUIDs() -> Set<String> {
let systemObject = AudioObjectID(kAudioObjectSystemObject)
var address = AudioObjectPropertyAddress(
mSelector: kAudioHardwarePropertyDevices,
mScope: kAudioObjectPropertyScopeGlobal,
mElement: kAudioObjectPropertyElementMain)
var size: UInt32 = 0
var status = AudioObjectGetPropertyDataSize(systemObject, &address, 0, nil, &size)
guard status == noErr, size > 0 else { return [] }
let count = Int(size) / MemoryLayout<AudioObjectID>.size
var deviceIDs = [AudioObjectID](repeating: 0, count: count)
status = AudioObjectGetPropertyData(systemObject, &address, 0, nil, &size, &deviceIDs)
guard status == noErr else { return [] }
var output = Set<String>()
for deviceID in deviceIDs {
guard self.deviceIsAlive(deviceID) else { continue }
guard self.deviceHasInput(deviceID) else { continue }
if let uid = self.deviceUID(for: deviceID) {
output.insert(uid)
}
}
return output
}
static func defaultInputDeviceSummary() -> String {
let systemObject = AudioObjectID(kAudioObjectSystemObject)
var address = AudioObjectPropertyAddress(
mSelector: kAudioHardwarePropertyDefaultInputDevice,
mScope: kAudioObjectPropertyScopeGlobal,
mElement: kAudioObjectPropertyElementMain)
var deviceID = AudioObjectID(0)
var size = UInt32(MemoryLayout<AudioObjectID>.size)
let status = AudioObjectGetPropertyData(
systemObject,
&address,
0,
nil,
&size,
&deviceID)
guard status == noErr, deviceID != 0 else {
return "defaultInput=unknown"
}
let uid = self.deviceUID(for: deviceID) ?? "unknown"
let name = self.deviceName(for: deviceID) ?? "unknown"
return "defaultInput=\(name) (\(uid))"
}
func start(onChange: @escaping @Sendable () -> Void) {
guard !self.isActive else { return }
self.isActive = true
let systemObject = AudioObjectID(kAudioObjectSystemObject)
let queue = DispatchQueue.main
var devicesAddress = AudioObjectPropertyAddress(
mSelector: kAudioHardwarePropertyDevices,
mScope: kAudioObjectPropertyScopeGlobal,
mElement: kAudioObjectPropertyElementMain)
let devicesListener: AudioObjectPropertyListenerBlock = { _, _ in
self.logDefaultInputChange(reason: "devices")
onChange()
}
let devicesStatus = AudioObjectAddPropertyListenerBlock(
systemObject,
&devicesAddress,
queue,
devicesListener)
var defaultInputAddress = AudioObjectPropertyAddress(
mSelector: kAudioHardwarePropertyDefaultInputDevice,
mScope: kAudioObjectPropertyScopeGlobal,
mElement: kAudioObjectPropertyElementMain)
let defaultInputListener: AudioObjectPropertyListenerBlock = { _, _ in
self.logDefaultInputChange(reason: "default")
onChange()
}
let defaultStatus = AudioObjectAddPropertyListenerBlock(
systemObject,
&defaultInputAddress,
queue,
defaultInputListener)
if devicesStatus != noErr || defaultStatus != noErr {
self.logger.error("audio device observer install failed devices=\(devicesStatus) default=\(defaultStatus)")
}
self.logger.info("audio device observer started (\(Self.defaultInputDeviceSummary(), privacy: .public))")
self.devicesListener = devicesListener
self.defaultInputListener = defaultInputListener
}
func stop() {
guard self.isActive else { return }
self.isActive = false
let systemObject = AudioObjectID(kAudioObjectSystemObject)
if let devicesListener {
var devicesAddress = AudioObjectPropertyAddress(
mSelector: kAudioHardwarePropertyDevices,
mScope: kAudioObjectPropertyScopeGlobal,
mElement: kAudioObjectPropertyElementMain)
_ = AudioObjectRemovePropertyListenerBlock(
systemObject,
&devicesAddress,
DispatchQueue.main,
devicesListener)
}
if let defaultInputListener {
var defaultInputAddress = AudioObjectPropertyAddress(
mSelector: kAudioHardwarePropertyDefaultInputDevice,
mScope: kAudioObjectPropertyScopeGlobal,
mElement: kAudioObjectPropertyElementMain)
_ = AudioObjectRemovePropertyListenerBlock(
systemObject,
&defaultInputAddress,
DispatchQueue.main,
defaultInputListener)
}
self.devicesListener = nil
self.defaultInputListener = nil
}
private static func deviceUID(for deviceID: AudioObjectID) -> String? {
var address = AudioObjectPropertyAddress(
mSelector: kAudioDevicePropertyDeviceUID,
mScope: kAudioObjectPropertyScopeGlobal,
mElement: kAudioObjectPropertyElementMain)
var uid: Unmanaged<CFString>?
var size = UInt32(MemoryLayout<Unmanaged<CFString>?>.size)
let status = AudioObjectGetPropertyData(deviceID, &address, 0, nil, &size, &uid)
guard status == noErr, let uid else { return nil }
return uid.takeUnretainedValue() as String
}
private static func deviceName(for deviceID: AudioObjectID) -> String? {
var address = AudioObjectPropertyAddress(
mSelector: kAudioObjectPropertyName,
mScope: kAudioObjectPropertyScopeGlobal,
mElement: kAudioObjectPropertyElementMain)
var name: Unmanaged<CFString>?
var size = UInt32(MemoryLayout<Unmanaged<CFString>?>.size)
let status = AudioObjectGetPropertyData(deviceID, &address, 0, nil, &size, &name)
guard status == noErr, let name else { return nil }
return name.takeUnretainedValue() as String
}
private static func deviceIsAlive(_ deviceID: AudioObjectID) -> Bool {
var address = AudioObjectPropertyAddress(
mSelector: kAudioDevicePropertyDeviceIsAlive,
mScope: kAudioObjectPropertyScopeGlobal,
mElement: kAudioObjectPropertyElementMain)
var alive: UInt32 = 0
var size = UInt32(MemoryLayout<UInt32>.size)
let status = AudioObjectGetPropertyData(deviceID, &address, 0, nil, &size, &alive)
return status == noErr && alive != 0
}
private static func deviceHasInput(_ deviceID: AudioObjectID) -> Bool {
var address = AudioObjectPropertyAddress(
mSelector: kAudioDevicePropertyStreamConfiguration,
mScope: kAudioDevicePropertyScopeInput,
mElement: kAudioObjectPropertyElementMain)
var size: UInt32 = 0
var status = AudioObjectGetPropertyDataSize(deviceID, &address, 0, nil, &size)
guard status == noErr, size > 0 else { return false }
let raw = UnsafeMutableRawPointer.allocate(
byteCount: Int(size),
alignment: MemoryLayout<AudioBufferList>.alignment)
defer { raw.deallocate() }
let bufferList = raw.bindMemory(to: AudioBufferList.self, capacity: 1)
status = AudioObjectGetPropertyData(deviceID, &address, 0, nil, &size, bufferList)
guard status == noErr else { return false }
let buffers = UnsafeMutableAudioBufferListPointer(bufferList)
return buffers.contains(where: { $0.mNumberChannels > 0 })
}
private func logDefaultInputChange(reason: StaticString) {
self.logger.info("audio input changed (\(reason)) (\(Self.defaultInputDeviceSummary(), privacy: .public))")
}
}

View File

@@ -13,6 +13,7 @@ let voiceWakeSendChimeKey = "clawdbot.voiceWakeSendChime"
let showDockIconKey = "clawdbot.showDockIcon"
let defaultVoiceWakeTriggers = ["clawd", "claude"]
let voiceWakeMicKey = "clawdbot.voiceWakeMicID"
let voiceWakeMicNameKey = "clawdbot.voiceWakeMicName"
let voiceWakeLocaleKey = "clawdbot.voiceWakeLocaleID"
let voiceWakeAdditionalLocalesKey = "clawdbot.voiceWakeAdditionalLocaleIDs"
let voicePushToTalkEnabledKey = "clawdbot.voicePushToTalkEnabled"

View File

@@ -18,6 +18,8 @@ struct MenuContent: View {
@Environment(\.openSettings) private var openSettings
@State private var availableMics: [AudioInputDevice] = []
@State private var loadingMics = false
@State private var micObserver = AudioInputDeviceObserver()
@State private var micRefreshTask: Task<Void, Never>?
@State private var browserControlEnabled = true
@AppStorage(cameraEnabledKey) private var cameraEnabled: Bool = false
@AppStorage(appLogLevelKey) private var appLogLevelRaw: String = AppLogLevel.default.rawValue
@@ -143,6 +145,14 @@ struct MenuContent: View {
.task(id: self.state.connectionMode) {
await self.loadBrowserControlEnabled()
}
.onAppear {
self.startMicObserver()
}
.onDisappear {
self.micRefreshTask?.cancel()
self.micRefreshTask = nil
self.micObserver.stop()
}
}
private var connectionLabel: String {
@@ -440,13 +450,22 @@ struct MenuContent: View {
if let match = self.availableMics.first(where: { $0.uid == self.state.voiceWakeMicID }) {
return match.name
}
if !self.state.voiceWakeMicName.isEmpty { return self.state.voiceWakeMicName }
return "Unavailable"
}
private var microphoneMenuItems: some View {
Group {
if self.isSelectedMicUnavailable {
Label("Disconnected (using System default)", systemImage: "exclamationmark.triangle")
.labelStyle(.titleAndIcon)
.foregroundStyle(.secondary)
.disabled(true)
Divider()
}
Button {
self.state.voiceWakeMicID = ""
self.state.voiceWakeMicName = ""
} label: {
Label(self.defaultMicLabel, systemImage: self.state.voiceWakeMicID.isEmpty ? "checkmark" : "")
.labelStyle(.titleAndIcon)
@@ -456,6 +475,7 @@ struct MenuContent: View {
ForEach(self.availableMics) { mic in
Button {
self.state.voiceWakeMicID = mic.uid
self.state.voiceWakeMicName = mic.name
} label: {
Label(mic.name, systemImage: self.state.voiceWakeMicID == mic.uid ? "checkmark" : "")
.labelStyle(.titleAndIcon)
@@ -465,6 +485,12 @@ struct MenuContent: View {
}
}
private var isSelectedMicUnavailable: Bool {
let selected = self.state.voiceWakeMicID
guard !selected.isEmpty else { return false }
return !self.availableMics.contains(where: { $0.uid == selected })
}
private var defaultMicLabel: String {
if let host = Host.current().localizedName, !host.isEmpty {
return "Auto-detect (\(host))"
@@ -500,14 +526,53 @@ struct MenuContent: View {
deviceTypes: [.external, .microphone],
mediaType: .audio,
position: .unspecified)
self.availableMics = discovery.devices
let connectedDevices = discovery.devices.filter { $0.isConnected }
self.availableMics = connectedDevices
.sorted { lhs, rhs in
lhs.localizedName.localizedCaseInsensitiveCompare(rhs.localizedName) == .orderedAscending
}
.map { AudioInputDevice(uid: $0.uniqueID, name: $0.localizedName) }
self.availableMics = self.filterAliveInputs(self.availableMics)
self.updateSelectedMicName()
self.loadingMics = false
}
private func startMicObserver() {
self.micObserver.start {
Task { @MainActor in
self.scheduleMicRefresh()
}
}
}
@MainActor
private func scheduleMicRefresh() {
self.micRefreshTask?.cancel()
self.micRefreshTask = Task { @MainActor in
try? await Task.sleep(nanoseconds: 300_000_000)
guard !Task.isCancelled else { return }
await self.loadMicrophones(force: true)
}
}
private func filterAliveInputs(_ inputs: [AudioInputDevice]) -> [AudioInputDevice] {
let aliveUIDs = AudioInputDeviceObserver.aliveInputDeviceUIDs()
guard !aliveUIDs.isEmpty else { return inputs }
return inputs.filter { aliveUIDs.contains($0.uid) }
}
@MainActor
private func updateSelectedMicName() {
let selected = self.state.voiceWakeMicID
if selected.isEmpty {
self.state.voiceWakeMicName = ""
return
}
if let match = self.availableMics.first(where: { $0.uid == selected }) {
self.state.voiceWakeMicName = match.name
}
}
private struct AudioInputDevice: Identifiable, Equatable {
let uid: String
let name: String

View File

@@ -1,8 +1,10 @@
import AVFoundation
import OSLog
import SwiftUI
actor MicLevelMonitor {
private let engine = AVAudioEngine()
private let logger = Logger(subsystem: "com.clawdbot", category: "voicewake.meter")
private var engine: AVAudioEngine?
private var update: (@Sendable (Double) -> Void)?
private var running = false
private var smoothedLevel: Double = 0
@@ -10,23 +12,37 @@ actor MicLevelMonitor {
func start(onLevel: @Sendable @escaping (Double) -> Void) async throws {
self.update = onLevel
if self.running { return }
let input = self.engine.inputNode
self.logger.info(
"mic level monitor start (\(AudioInputDeviceObserver.defaultInputDeviceSummary(), privacy: .public))")
let engine = AVAudioEngine()
self.engine = engine
let input = engine.inputNode
let format = input.outputFormat(forBus: 0)
guard format.channelCount > 0, format.sampleRate > 0 else {
self.engine = nil
throw NSError(
domain: "MicLevelMonitor",
code: 1,
userInfo: [NSLocalizedDescriptionKey: "No audio input available"])
}
input.removeTap(onBus: 0)
input.installTap(onBus: 0, bufferSize: 512, format: format) { [weak self] buffer, _ in
guard let self else { return }
let level = Self.normalizedLevel(from: buffer)
Task { await self.push(level: level) }
}
self.engine.prepare()
try self.engine.start()
engine.prepare()
try engine.start()
self.running = true
}
func stop() {
guard self.running else { return }
self.engine.inputNode.removeTap(onBus: 0)
self.engine.stop()
if let engine {
engine.inputNode.removeTap(onBus: 0)
engine.stop()
}
self.engine = nil
self.running = false
}

View File

@@ -139,6 +139,12 @@ actor VoiceWakeRuntime {
let input = audioEngine.inputNode
let format = input.outputFormat(forBus: 0)
guard format.channelCount > 0, format.sampleRate > 0 else {
throw NSError(
domain: "VoiceWakeRuntime",
code: 1,
userInfo: [NSLocalizedDescriptionKey: "No audio input available"])
}
input.removeTap(onBus: 0)
input.installTap(onBus: 0, bufferSize: 2048, format: format) { [weak self, weak request] buffer, _ in
request?.append(buffer)
@@ -173,6 +179,10 @@ actor VoiceWakeRuntime {
Task { await self.handleRecognition(update, config: config) }
}
let preferred = config.micID?.isEmpty == false ? config.micID! : "system-default"
self.logger.info(
"voicewake runtime input preferred=\(preferred, privacy: .public) " +
"\(AudioInputDeviceObserver.defaultInputDeviceSummary(), privacy: .public)")
self.logger.info("voicewake runtime started")
DiagnosticsFileLog.shared.log(category: "voicewake.runtime", event: "started", fields: [
"locale": config.localeID ?? "",

View File

@@ -18,6 +18,8 @@ struct VoiceWakeSettings: View {
@State private var meterLevel: Double = 0
@State private var meterError: String?
private let meter = MicLevelMonitor()
@State private var micObserver = AudioInputDeviceObserver()
@State private var micRefreshTask: Task<Void, Never>?
@State private var availableLocales: [Locale] = []
private let fieldLabelWidth: CGFloat = 140
private let controlWidth: CGFloat = 240
@@ -100,8 +102,13 @@ struct VoiceWakeSettings: View {
guard !self.isPreview else { return }
await self.restartMeter()
}
.onAppear {
guard !self.isPreview else { return }
self.startMicObserver()
}
.onChange(of: self.state.voiceWakeMicID) { _, _ in
guard !self.isPreview else { return }
self.updateSelectedMicName()
Task { await self.restartMeter() }
}
.onChange(of: self.isActive) { _, active in
@@ -111,7 +118,12 @@ struct VoiceWakeSettings: View {
self.isTesting = false
self.testState = .idle
self.testTimeoutTask?.cancel()
self.micRefreshTask?.cancel()
self.micRefreshTask = nil
Task { await self.meter.stop() }
self.micObserver.stop()
} else {
self.startMicObserver()
}
}
.onDisappear {
@@ -120,6 +132,9 @@ struct VoiceWakeSettings: View {
self.isTesting = false
self.testState = .idle
self.testTimeoutTask?.cancel()
self.micRefreshTask?.cancel()
self.micRefreshTask = nil
self.micObserver.stop()
Task { await self.meter.stop() }
}
}
@@ -400,6 +415,10 @@ struct VoiceWakeSettings: View {
.frame(width: self.fieldLabelWidth, alignment: .leading)
Picker("Microphone", selection: self.$state.voiceWakeMicID) {
Text("System default").tag("")
if self.isSelectedMicUnavailable {
Text(self.state.voiceWakeMicName.isEmpty ? "Unavailable" : self.state.voiceWakeMicName)
.tag(self.state.voiceWakeMicID)
}
ForEach(self.availableMics) { mic in
Text(mic.name).tag(mic.uid)
}
@@ -407,6 +426,15 @@ struct VoiceWakeSettings: View {
.labelsHidden()
.frame(width: self.controlWidth)
}
if self.isSelectedMicUnavailable {
HStack(spacing: 10) {
Color.clear.frame(width: self.fieldLabelWidth, height: 1)
Text("Disconnected (using System default)")
.font(.caption)
.foregroundStyle(.secondary)
.lineLimit(1)
}
}
if self.loadingMics {
ProgressView().controlSize(.small)
}
@@ -499,17 +527,60 @@ struct VoiceWakeSettings: View {
}
@MainActor
private func loadMicsIfNeeded() async {
guard self.availableMics.isEmpty, !self.loadingMics else { return }
private func loadMicsIfNeeded(force: Bool = false) async {
guard (force || self.availableMics.isEmpty), !self.loadingMics else { return }
self.loadingMics = true
let discovery = AVCaptureDevice.DiscoverySession(
deviceTypes: [.external, .microphone],
mediaType: .audio,
position: .unspecified)
self.availableMics = discovery.devices.map { AudioInputDevice(uid: $0.uniqueID, name: $0.localizedName) }
let aliveUIDs = AudioInputDeviceObserver.aliveInputDeviceUIDs()
let connectedDevices = discovery.devices.filter { $0.isConnected }
let devices = aliveUIDs.isEmpty
? connectedDevices
: connectedDevices.filter { aliveUIDs.contains($0.uniqueID) }
self.availableMics = devices.map { AudioInputDevice(uid: $0.uniqueID, name: $0.localizedName) }
self.updateSelectedMicName()
self.loadingMics = false
}
private var isSelectedMicUnavailable: Bool {
let selected = self.state.voiceWakeMicID
guard !selected.isEmpty else { return false }
return !self.availableMics.contains(where: { $0.uid == selected })
}
@MainActor
private func updateSelectedMicName() {
let selected = self.state.voiceWakeMicID
if selected.isEmpty {
self.state.voiceWakeMicName = ""
return
}
if let match = self.availableMics.first(where: { $0.uid == selected }) {
self.state.voiceWakeMicName = match.name
}
}
private func startMicObserver() {
self.micObserver.start {
Task { @MainActor in
self.scheduleMicRefresh()
}
}
}
@MainActor
private func scheduleMicRefresh() {
self.micRefreshTask?.cancel()
self.micRefreshTask = Task { @MainActor in
try? await Task.sleep(nanoseconds: 300_000_000)
guard !Task.isCancelled else { return }
await self.loadMicsIfNeeded(force: true)
await self.restartMeter()
}
}
@MainActor
private func loadLocalesIfNeeded() async {
guard self.availableLocales.isEmpty else { return }

View File

@@ -15,7 +15,7 @@ enum VoiceWakeTestState: Equatable {
final class VoiceWakeTester {
private let recognizer: SFSpeechRecognizer?
private let audioEngine = AVAudioEngine()
private var audioEngine: AVAudioEngine?
private var recognitionRequest: SFSpeechAudioBufferRecognitionRequest?
private var recognitionTask: SFSpeechRecognitionTask?
private var isStopping = false
@@ -86,22 +86,33 @@ final class VoiceWakeTester {
userInfo: [NSLocalizedDescriptionKey: "Microphone or speech permission denied"])
}
self.logInputSelection(preferredMicID: micID)
self.configureSession(preferredMicID: micID)
let engine = AVAudioEngine()
self.audioEngine = engine
self.recognitionRequest = SFSpeechAudioBufferRecognitionRequest()
self.recognitionRequest?.shouldReportPartialResults = true
self.recognitionRequest?.taskHint = .dictation
let request = self.recognitionRequest
let inputNode = self.audioEngine.inputNode
let inputNode = engine.inputNode
let format = inputNode.outputFormat(forBus: 0)
guard format.channelCount > 0, format.sampleRate > 0 else {
self.audioEngine = nil
throw NSError(
domain: "VoiceWakeTester",
code: 4,
userInfo: [NSLocalizedDescriptionKey: "No audio input available"])
}
inputNode.removeTap(onBus: 0)
inputNode.installTap(onBus: 0, bufferSize: 2048, format: format) { [weak request] buffer, _ in
request?.append(buffer)
}
self.audioEngine.prepare()
try self.audioEngine.start()
engine.prepare()
try engine.start()
DispatchQueue.main.async {
onUpdate(.listening)
}
@@ -156,9 +167,11 @@ final class VoiceWakeTester {
return
}
self.isFinalizing = true
self.audioEngine.inputNode.removeTap(onBus: 0)
self.recognitionRequest?.endAudio()
self.audioEngine.stop()
if let engine = self.audioEngine {
engine.inputNode.removeTap(onBus: 0)
engine.stop()
}
Task { [weak self] in
guard let self else { return }
try? await Task.sleep(nanoseconds: UInt64(timeout * 1_000_000_000))
@@ -171,12 +184,15 @@ final class VoiceWakeTester {
private func stop(force: Bool) {
if force { self.isStopping = true }
self.isFinalizing = false
self.audioEngine.stop()
self.recognitionRequest?.endAudio()
self.recognitionTask?.cancel()
self.recognitionTask = nil
self.recognitionRequest = nil
self.audioEngine.inputNode.removeTap(onBus: 0)
if let engine = self.audioEngine {
engine.inputNode.removeTap(onBus: 0)
engine.stop()
}
self.audioEngine = nil
self.holdingAfterDetect = false
self.detectedText = nil
self.lastHeard = nil
@@ -435,6 +451,13 @@ final class VoiceWakeTester {
_ = preferredMicID
}
private func logInputSelection(preferredMicID: String?) {
let preferred = (preferredMicID?.isEmpty == false) ? preferredMicID! : "system-default"
self.logger.info(
"voicewake test input preferred=\(preferred, privacy: .public) " +
"\(AudioInputDeviceObserver.defaultInputDeviceSummary(), privacy: .public)")
}
private nonisolated static func ensurePermissions() async throws -> Bool {
let speechStatus = SFSpeechRecognizer.authorizationStatus()
if speechStatus == .notDetermined {