From 4c3a2c8f47f45006544909e7e778b3ef5442a734 Mon Sep 17 00:00:00 2001
From: Andrew Walz <andrewjwalz@gmail.com>
Date: Wed, 11 Jan 2017 15:07:11 -0700
Subject: [PATCH] Refactored switching camera to not remove outputs

---
 Source/SwiftyCamViewController.swift | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/Source/SwiftyCamViewController.swift b/Source/SwiftyCamViewController.swift
index 4ecb90b..2ba08f5 100644
--- a/Source/SwiftyCamViewController.swift
+++ b/Source/SwiftyCamViewController.swift
@@ -453,11 +453,8 @@ open class SwiftyCamViewController: UIViewController {
             for input in self.session.inputs {
                 self.session.removeInput(input as! AVCaptureInput)
             }
-            for output in self.session.outputs {
-                self.session.removeOutput(output as! AVCaptureOutput)
-            }
             
-            self.configureSession()
+            self.addInputs()
             self.cameraDelegate?.SwiftyCamDidSwitchCameras(camera: self.currentCamera)
             self.session.startRunning()
         }
@@ -518,6 +515,17 @@ open class SwiftyCamViewController: UIViewController {
         session.commitConfiguration()
     }
     
+    /// Add inputs after changing camera() 
+    
+    fileprivate func addInputs() {
+        session.beginConfiguration()
+        configureVideoPreset()
+        addVideoInput()
+        addAudioInput()
+        session.commitConfiguration()
+    }
+
+    
     // Front facing camera will always be set to VideoQuality.high
     // If set video quality is not supported, videoQuality variable will be set to VideoQuality.high
     /// Configure image quality preset