X-Git-Url: https://git.r.bdr.sh/rbdr/captura/blobdiff_plain/7ee43fb83799abb89a69cfcd4e2146dd4eaa5045..4b9281467f2794aa096929d665f5f9536152411c:/Captura/Core%20Extensions/CVImageBuffer%20cgImage.swift/rbdr/captura/blobdiff_plain/7ee43fb83799abb89a69cfcd4e2146dd4eaa5045..4b9281467f2794aa096929d665f5f9536152411c:/Captura/Core%20Extensions/CVImageBuffer+cgImage.swift

diff --git a/Captura/Core Extensions/CVImageBuffer+cgImage.swift b/Captura/Core Extensions/CVImageBuffer+cgImage.swift
index f8958f2..3f59b8e 100644
--- a/Captura/Core Extensions/CVImageBuffer+cgImage.swift	
+++ b/Captura/Core Extensions/CVImageBuffer+cgImage.swift	
@@ -3,10 +3,19 @@ import ReplayKit
 
 extension CVImageBuffer {
   
-  static let sharedContext = CIContext()
+  private static let contextQueue = DispatchQueue(label: "com.example.contextQueue")
+  static let sharedContext: CIContext = {
+          return CIContext()
+  }()
   
   var cgImage: CGImage? {
-    let ciImage = CIImage(cvImageBuffer: self)
-    return CVImageBuffer.sharedContext.createCGImage(ciImage, from: CGRect(x: 0, y: 0, width: CVPixelBufferGetWidth(self), height: CVPixelBufferGetHeight(self)))
+    var result: CGImage?
+    CVImageBuffer.contextQueue.sync {
+      let ciImage = CIImage(cvImageBuffer: self)
+      let width = CVPixelBufferGetWidth(self)
+      let height = CVPixelBufferGetHeight(self)
+      result = CVImageBuffer.sharedContext.createCGImage(ciImage, from: CGRect(x: 0, y: 0, width: width, height: height))
+    }
+    return result
   }
 }