X-Git-Url: https://git.r.bdr.sh/rbdr/captura/blobdiff_plain/c9b9e1d654ea697afad9f6427d94623bfdf55cce..9be247c36cb15153de2cbafe7e1c53209182f29e:/Captura/Core%20Extensions/CVImageBuffer%20cgImage.swift/rbdr/captura/blobdiff_plain/c9b9e1d654ea697afad9f6427d94623bfdf55cce..9be247c36cb15153de2cbafe7e1c53209182f29e:/Captura/Core%20Extensions/CVImageBuffer+cgImage.swift

diff --git a/Captura/Core Extensions/CVImageBuffer+cgImage.swift b/Captura/Core Extensions/CVImageBuffer+cgImage.swift
index c30cb0c..3f59b8e 100644
--- a/Captura/Core Extensions/CVImageBuffer+cgImage.swift	
+++ b/Captura/Core Extensions/CVImageBuffer+cgImage.swift	
@@ -3,9 +3,19 @@ import ReplayKit
 
 extension CVImageBuffer {
   
+  private static let contextQueue = DispatchQueue(label: "com.example.contextQueue")
+  static let sharedContext: CIContext = {
+          return CIContext()
+  }()
+  
   var cgImage: CGImage? {
-    let ciImage = CIImage(cvImageBuffer: self)
-    let context = CIContext()
-    return context.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
   }
 }