How to encode video with ffmpeg form videocapture Mat

Question

I'm trying to make video editor tool.

[Environment] C# WPF OpenCVSharp4.5

When encoding video,I have to set some config.(fps/width/height/codec/bitrate/field-order) But,can't set field-order with opencv's videowriter.

        VideoWriter video = new VideoWriter(
            outPutFilePath,
            VideoCaptureAPIs.FFMPEG,
            VideoWriter.FourCC(Char.Parse("M"),
            Char.Parse("P"),
            Char.Parse("4"),
            Char.Parse("V"),
            fps,
            new OpenCvSharp.Size(Width, Height),
            true);
            for (int movePos = StartFrame; movePos < EndFrame; movePos++)
            {
                PosFrames = movePos;
                Mat mat = SetMatFromFrameNo(PosFrames);

                video.Write(mat);
               Cv2.WaitKey(1);
            }

so,I'm trying to use piped ffmpeg. But I have no idea.

Could you tell how to encode video From VideoCaptures. thanks.