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fix(ios): avoid actor-isolated access from audio tap

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This commit is contained in:
Peter Steinberger
2025-12-13 19:14:36 +00:00
parent ba22890205
commit 920cc9ac38
1 changed files with 3 additions and 2 deletions
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5
apps/ios/Sources/Voice/VoiceWakeManager.swift
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@@ -2,7 +2,7 @@ import AVFAudio
import Foundation import Foundation
import Speech import Speech
private func makeAudioTapEnqueueCallback(queue: AudioBufferQueue) -> AVAudioNodeTapBlock { private func makeAudioTapEnqueueCallback(queue: AudioBufferQueue) -> @Sendable (AVAudioPCMBuffer, AVAudioTime) -> Void {
{ buffer, _ in { buffer, _ in
// This callback is invoked on a realtime audio thread/queue. Keep it tiny and nonisolated. // This callback is invoked on a realtime audio thread/queue. Keep it tiny and nonisolated.
queue.enqueueCopy(of: buffer) queue.enqueueCopy(of: buffer)
@@ -183,11 +183,12 @@ final class VoiceWakeManager: NSObject, ObservableObject {
let queue = AudioBufferQueue() let queue = AudioBufferQueue()
self.tapQueue = queue self.tapQueue = queue
let tapBlock: @Sendable (AVAudioPCMBuffer, AVAudioTime) -> Void = makeAudioTapEnqueueCallback(queue: queue)
inputNode.installTap( inputNode.installTap(
onBus: 0, onBus: 0,
bufferSize: 1024, bufferSize: 1024,
format: recordingFormat, format: recordingFormat,
block: makeAudioTapEnqueueCallback(queue: queue)) block: tapBlock)
self.audioEngine.prepare() self.audioEngine.prepare()
try self.audioEngine.start() try self.audioEngine.start()