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Voice wake: drop stale recognition callbacks

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This commit is contained in:
Peter Steinberger
2025-12-09 02:57:54 +01:00
parent e15475449c
commit 421401ae3f
1 changed files with 11 additions and 3 deletions
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14
apps/macos/Sources/Clawdis/VoiceWakeRuntime.swift
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@@ -18,6 +18,7 @@ actor VoiceWakeRuntime {
private var audioEngine = AVAudioEngine()
private var recognitionRequest: SFSpeechAudioBufferRecognitionRequest?
private var recognitionTask: SFSpeechRecognitionTask?
private var recognitionGeneration: Int = 0 // drop stale callbacks after restarts
private var lastHeard: Date?
private var noiseFloorRMS: Double = 1e-4
private var captureStartedAt: Date?
@@ -97,6 +98,9 @@ actor VoiceWakeRuntime {
private func start(with config: RuntimeConfig) async {
do {
self.recognitionGeneration &+= 1
let generation = self.recognitionGeneration
self.configureSession(localeID: config.localeID)
guard let recognizer, recognizer.isAvailable else {
@@ -127,11 +131,11 @@ actor VoiceWakeRuntime {
self.lastHeard = Date()
// Preserve any existing cooldownUntil so the debounce after send isn't wiped by a restart.
self.recognitionTask = recognizer.recognitionTask(with: request) { [weak self] result, error in
self.recognitionTask = recognizer.recognitionTask(with: request) { [weak self, generation] result, error in
guard let self else { return }
let transcript = result?.bestTranscription.formattedString
let isFinal = result?.isFinal ?? false
Task { await self.handleRecognition(transcript: transcript, isFinal: isFinal, error: error, config: config) }
Task { await self.handleRecognition(transcript: transcript, isFinal: isFinal, error: error, config: config, generation: generation) }
}
self.logger.info("voicewake runtime started")
@@ -173,8 +177,12 @@ actor VoiceWakeRuntime {
transcript: String?,
isFinal: Bool,
error: Error?,
config: RuntimeConfig) async
config: RuntimeConfig,
generation: Int) async
{
if generation != self.recognitionGeneration {
return // stale callback from a superseded recognizer session
}
if let error {
self.logger.debug("voicewake recognition error: \(error.localizedDescription, privacy: .public)")
}