git.r.bdr.sh - rbdr/captura/blob - Captura/Core Extensions/CVImageBuffer+cgImage.swift

   1 import Foundation
   2 import ReplayKit
   3
   4 extension CVImageBuffer {
   5
   6   private static let contextQueue = DispatchQueue(label: "com.example.contextQueue")
   7   static let sharedContext: CIContext = {
   8           return CIContext()
   9   }()
  10
  11   var cgImage: CGImage? {
  12     var result: CGImage?
  13     CVImageBuffer.contextQueue.sync {
  14       let ciImage = CIImage(cvImageBuffer: self)
  15       let width = CVPixelBufferGetWidth(self)
  16       let height = CVPixelBufferGetHeight(self)
  17       result = CVImageBuffer.sharedContext.createCGImage(ciImage, from: CGRect(x: 0, y: 0, width: width, height: height))
  18     }
  19     return result
  20   }
  21 }