guard let rawfilter = CoreImage.CIRAWFilter(imageData: data, identifierHint: nil) else { return }
guard let ciImage = rawfilter.outputImage else { return }
let width = Int(ciImage.extent.width)
let height = Int(ciImage.extent.height)
let rect = CGRect(x: 0, y: 0, width: width, height: height)
let context = CIContext()
guard let cgImage = context.createCGImage(ciImage, from: rect, format: .RGBA16, colorSpace: CGColorSpaceCreateDeviceRGB()) else { return }
print("cgImage prepared")
guard let dataProvider = cgImage.dataProvider else { return }
let rgbaData = CFDataCreateMutableCopy(kCFAllocatorDefault, 0, dataProvider.data)
In iOS 16 this process is much faster than the same process in iOS 17
Is there a method to boost up the decoding speed?