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POhow to pass ffmpeg output to other sub-class in C#?
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copied!<p>i want to pass the thumbnail generated by ffmpeg to save_FTPUpload where the save_FTPUpload function is to upload the image file to ftp server. how can i do that? here is my example code for thumbnail generation using ffmpeg and "fileupload" function for uploading files to ftp server:</p> <pre><code>public partial class testtttt : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { generateThumbnail(); string fi_attachment = @"C:\2.jpg";//source image file save_FTPUpload(fi_attachment); } private void generateThumbnail() { string thumbpath, thumbname, videofile; videofile = "http://www.xxxx.com/video.Avi"; thumbpath = @"C:\"; thumbname = thumbpath + Path.GetFileNameWithoutExtension(videofile) + ".jpg"; string thumbargs = "-i \"" + videofile + "\" -vframes 1 -s 60*30 -ss 00:00:00 -f image2 \"" + thumbname + "\""; Process process = new Process(); process.StartInfo.FileName = Server.MapPath("~\\ffmpeg\\bin\\ffmpeg.exe"); process.StartInfo.Arguments = thumbargs; process.StartInfo.UseShellExecute = false; process.StartInfo.RedirectStandardOutput = true; process.StartInfo.RedirectStandardInput = false; process.StartInfo.RedirectStandardError = true; process.StartInfo.CreateNoWindow = false; process.StartInfo.WindowStyle = ProcessWindowStyle.Hidden; try { process.Start(); string output2 = process.StandardError.ReadToEnd(); string output3 = process.StandardOutput.ReadToEnd(); if (process != null) { process.Close(); } } catch (Exception) { this.lblMessage.Text = "Thumbnail created successfuly";//ex.Message.ToString(); } } public bool save_FTPUpload(string fi_attachment) { bool fileSaved = false; //string fi_attachment = @"C:\1.jpg"; string filename = "3.jpg";//image name to be saved in ftp string ftp_user = "*****"; //username string ftp_pass = "*****"; //password string ftpURI = "ftp://www.xxxx.com/thumb/"; //ftp path where the image will be saved while (!fileSaved) { string file_ftpURI = string.Format("{0}/{1}", ftpURI, filename); FtpWebRequest file_exist_request = (FtpWebRequest)FtpWebRequest.Create(file_ftpURI); file_exist_request.Credentials = new NetworkCredential(ftp_user, ftp_pass); file_exist_request.Method = WebRequestMethods.Ftp.GetFileSize; try { FtpWebResponse response = (FtpWebResponse)file_exist_request.GetResponse(); } catch (WebException ex) { FtpWebResponse response = (FtpWebResponse)ex.Response; if (response.StatusCode == FtpStatusCode.ActionNotTakenFileUnavailable) { FtpWebRequest upload_request = (FtpWebRequest)FtpWebRequest.Create(file_ftpURI); upload_request.Credentials = new NetworkCredential(ftp_user, ftp_pass); upload_request.Method = WebRequestMethods.Ftp.UploadFile; upload_request.UsePassive = true; upload_request.UseBinary = true; upload_request.KeepAlive = false; using (var fs = File.OpenRead(fi_attachment)) using (Stream upload_request_stream = upload_request.GetRequestStream()) { fs.CopyTo(upload_request_stream); } FtpWebResponse upload_response = (FtpWebResponse)upload_request.GetResponse(); fileSaved = true; this.Label1.Text = "Upload Successful"; } } } return fileSaved; } </code></pre>

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