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[rbdr/captura] / Captura / Core Extensions / CVImageBuffer+cgImage.swift

diff --git a/Captura/Core Extensions/CVImageBuffer+cgImage.swift b/Captura/Core Extensions/CVImageBuffer+cgImage.swift
index f8958f22eb5a89ab956abba7c784faf9560ec92f..ba98855dbaca54c9ef77621b43bb7b5d05a91022 100644 (file)
--- a/Captura/Core Extensions/CVImageBuffer+cgImage.swift
+++ b/Captura/Core Extensions/CVImageBuffer+cgImage.swift
@@ -1,12 +1,38 @@
+/*
+ Copyright (C) 2024 Rubén Beltrán del Río
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see https://captura.tranquil.systems.
+ */

 import Foundation
 import ReplayKit
 
 extension CVImageBuffer {
 import Foundation
 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? {
   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

   }
 }
   }
 }