Exposed CameraError to allow calling function to more gracefully hand…

…le Camera init when e.g. frontFacing camera does not exist
miaozhang9 · Feb 17, 2018 · 86f23d4 · 86f23d4
1 parent 2683a19
commit 86f23d4
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/framework/Source/iOS/Camera.swift b/framework/Source/iOS/Camera.swift
@@ -35,7 +35,7 @@ public enum PhysicalCameraLocation {
     }
 }
 
-struct CameraError: Error {
+public struct CameraError: Error {
 }
 
 let initialBenchmarkFramesToIgnore = 5
@@ -161,7 +161,7 @@ public class Camera: NSObject, ImageSource, AVCaptureVideoDataOutputSampleBuffer
     deinit {
         sharedImageProcessingContext.runOperationSynchronously{
             self.stopCapture()
-            self.videoOutput.setSampleBufferDelegate(nil, queue:nil)
+            self.videoOutput?.setSampleBufferDelegate(nil, queue:nil)
             self.audioOutput?.setSampleBufferDelegate(nil, queue:nil)
         }
     }