How to create video using FFMPEG and C#

using (Process p = new Process())
{
    p.StartInfo.UseShellExecute = false;
    p.StartInfo.CreateNoWindow = true;
    p.StartInfo.RedirectStandardOutput = true;
    p.StartInfo.FileName = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "\\ffmpeg.exe");
    p.StartInfo.Arguments = "-loop 1 -i D:\\Temp\\temp.png -c:v libx264 -t 15 -pix_fmt yuv420p -vf scale=720:480 D:\\Temp\\1.avi";
    p.Start();
    p.WaitForExit();
}

System.Diagnostics.Process.Start("CMD.exe", "/K D:\\Temp\\ffmpeg -loop 1 -i D:\\Temp\\temp.png -c:v libx264 -t 15 -pix_fmt yuv420p -vf scale=720:480 D:\\Temp\\1.mp4");