class SampleComposerObj: NSObject, DeepARDelegate {

    private let deepAR: DeepAR = DeepAR.init()
    

//    private let openGLContext: NSOpenGLContext = NSOpenGLContext()

    private let CVPixelBufferCreateOptions: [String: Any] = [
        kCVPixelBufferCGImageCompatibilityKey as String: true,