init()

in SemanticSegmentationSample/SemanticSegmentationSample/DataModel.swift [27:50]


    init() {
        // Create a reusable buffer to avoid allocating memory for every model invocation
        var buffer: CVPixelBuffer!
        let status = CVPixelBufferCreate(
            kCFAllocatorDefault,
            Int(targetSize.width),
            Int(targetSize.height),
            kCVPixelFormatType_32ARGB,
            nil,
            &buffer
        )
        guard status == kCVReturnSuccess else {
            fatalError("Failed to create pixel buffer")
        }
        inputPixelBuffer = buffer

        // Decouple running the model from the camera feed since the model will run slower
        Task.detached(priority: .userInitiated) {
            await self.runModel()
        }
        Task {
            await handleCameraFeed()
        }
    }