Extract Video Frame Using FFmepg with C#

I have so many videos in harddrive need to indexed it and get it sorted. And last month I got the ideal uploading video images to Google Photo.

So I want to extract every frame of video every half minute. Here is how I do with C#.

Define function to call FFmepg

public static void Ffmpeg(string fileName)

        string outFile = fileName.Substring(0, fileName.Length - 5);
        string cmdParams = String.Format("-hide_banner -i {0} -vf fps=1/30 {1}%03d.jpg", 
            fileName, outFile);  //fps=1/30 means every 30 seconds extract a frame

        string exePath = @"C:\Users\rockymay\OneDrive\RipAlbumUrl\ffmpeg.exe";
        using (Process p = new Process())
            p.StartInfo.UseShellExecute = false;
            p.StartInfo.CreateNoWindow = true;
            p.StartInfo.RedirectStandardOutput = true;
            p.StartInfo.FileName = exePath;
            p.StartInfo.Arguments = cmdParams;


Then call out function in Main

class Program
        static void Main(string[] args)
            Console.WriteLine(DateTime.Now);//Now time

            Console.WriteLine("Select your video file full path");
            string path = Console.ReadLine();

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