MHPEncoder encoder = new MHPEncoder();
string RootPath = Server.MapPath(Request.ApplicationPath);
encoder.FfmpegPath = RootPath + "\\ffmpeg\\ffmpeg.exe"; // path of ffmpeg
encoder.FlvToolPath = RootPath + "\\flvtool\\flvtool2.exe"; // path of flvtool, use in case of setting meta information to flv videos
encoder.Mp4BoxPath =  RootPath + "\\mp4box\\MP4Box.exe"; // path of mp4box, to be used for setting meta information to mp4 video
encoder.SourcePath = RootPath + "\\contents\\default"; // path of source video directory
encoder.SourceFileName = filename; // source video filename
encoder.PublishedPath = RootPath + "\\contents\\videos"; // directory path of published videos
encoder.EnableCloudStorage = true; // disable cloud storage
ArrayList itags= new ArrayList();
itags.Add("0"); // publish 240p flv video (more detail at encoder settings section
itags.Add("1"); // publish 360p flv video (more detail at encoder settings section
itags.Add("2"); // publish 480p flv video (more detail at encoder settings section
itags.Add("5"); // publish 360p mp4 video (more detail at encoder settings section
itags.Add("6"); // publish 480 mp4 video (more detail at encoder settings section
itags.Add("7"); // publish 720p mp4 video (more detail at encoder settings section
itags.Add("10"); // publish 360p webm video (more detail at encoder settings section
itags.Add("11"); // publish 480p webm video (more detail at encoder settings section
itags.Add("14"); // publish mp3 audio file (more detail at encoder settings section
encoder.ThumbsDirectory = RootPath + "\\contents\\thumbs"; // directory path of published video thumbs
encoder.TotalThumbs = 15;// grab fifteen thumbs from start to end of video
encoder.GrabThumbs = true; // disable grabbing thumbs from video
encoder.DeleteSource = true; // delete original video after completion
Video_Information vinfo = encoder.Process(); // start processing
if (vinfo.ErrorCode > 0)
{
    // Encoding Failed
    // Encoding Failure Detail in vinfo.ErrorDescription
}
// Retrive Information
string PublishedVideoName = vinfo.FLVVideoName;
string OriginalVideoName = vinfo.OriginalVideoName;
string ThumbFileName = vinfo.ThumbFileName; //return middle thumb filename
string Duration = vinfo.Duration; // length of video
string Duration_Sec = vinfo.Duration_Sec; //length of video in seconds
string isEnabled = vinfo.isEnabled; // to make sure video published and thumbs grabbed successfully.