Fix

livekit · Feb 1, 2025 · 735612d · 735612d
1 parent 56645a0
commit 735612d
Show file tree

Hide file tree

Showing 2 changed files with 5 additions and 3 deletions.
diff --git a/Sources/LiveKit/Track/AudioManager.swift b/Sources/LiveKit/Track/AudioManager.swift
@@ -345,7 +345,7 @@ public extension AudioManager {
 extension AudioManager {
     func buildEngineObserverChain() -> (any AudioEngineObserver)? {
         var objects = _state.engineObservers
-        guard objects.count > 1 else { return nil }
+        guard !objects.isEmpty else { return nil }
 
         for i in 0 ..< objects.count - 1 {
             objects[i].next = objects[i + 1]

diff --git a/Tests/LiveKitTests/AudioEngineTests.swift b/Tests/LiveKitTests/AudioEngineTests.swift
@@ -282,9 +282,10 @@ class AudioEngineTests: XCTestCase {
 }
 
 final class SineWaveNodeHook: AudioEngineObserver {
+    var next: (any LiveKit.AudioEngineObserver)?
+
     let sineWaveNode = SineWaveSourceNode()
 
-    func setNext(_: any LiveKit.AudioEngineObserver) {}
     func engineDidCreate(_ engine: AVAudioEngine) {
         engine.attach(sineWaveNode)
     }
@@ -301,6 +302,8 @@ final class SineWaveNodeHook: AudioEngineObserver {
 }
 
 final class PlayerNodeHook: AudioEngineObserver {
+    var next: (any LiveKit.AudioEngineObserver)?
+
     public let playerNode = AVAudioPlayerNode()
     public let playerMixerNode = AVAudioMixerNode()
     public let playerNodeFormat: AVAudioFormat
@@ -309,7 +312,6 @@ final class PlayerNodeHook: AudioEngineObserver {
         self.playerNodeFormat = playerNodeFormat
     }
 
-    func setNext(_: any LiveKit.AudioEngineObserver) {}
     public func engineDidCreate(_ engine: AVAudioEngine) {
         engine.attach(playerNode)
         engine.attach(playerMixerNode)