Merge pull request #32 from glaurent/InputSignalTrackerBug31

Fix for Input signal tracker bug31
vadymmarkov · Sep 4, 2016 · 80e8172 · 80e8172
2 parents aa998ba + 474584b
commit 80e8172
Showing 1 changed file with 6 additions and 4 deletions.
diff --git a/Source/SignalTracking/Units/InputSignalTracker.swift b/Source/SignalTracking/Units/InputSignalTracker.swift
@@ -68,10 +68,12 @@ public class InputSignalTracker: SignalTracker {
   }
 
   public func stop() {
-    audioEngine.stop()
-    audioEngine.reset()
-    audioEngine = nil
-    captureSession.stopRunning()
+    if audioEngine != nil {
+        audioEngine.stop()
+        audioEngine.reset()
+        audioEngine = nil
+        captureSession.stopRunning()
+    }
   }
 
   func setupAudio() {