public static extern long ASFInitEngine(
     ArcFaceEngine.ASF_DetectMode asfDetectMode,
     ArcFaceEngine.ArcSoftFace_OrientPriority arcSoftFaceOrientPriority,
     int detectFaceScaleVal,
     int detectFaceMaxNum,
     int combinedMask,
     ref IntPtr hEngine
     );
        public ActionResult <long> InitEngine(
            ArcFaceEngine.ASF_DetectMode asfDetectMode,
            ArcFaceEngine.ArcSoftFace_OrientPriority arcSoftFaceOrientPriority,
            int detectFaceScaleVal,
            int detectFaceMaxNum,
            int combinedMask)
        {
            //IntPtr handle = IntPtr.Zero;
            var res = FaceEngineAPI.ASFInitEngine(
                asfDetectMode,
                arcSoftFaceOrientPriority,
                detectFaceScaleVal,
                detectFaceMaxNum,
                combinedMask, ref FaceEngineAPI.hEngine);

            return(res);
        }