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• Creating a thumbnail from MP4 video crashes on shared hosting but working fine locally

  15 juillet 2019, par Mariam Nagy

  i am working on a web page to upload MP4 video and getting a thumbnail from the video

  i am using NReco FFMpeg Converter to achieve this . it is working fine locally but upload it on a shared hosting it crashes at ffMpeg.GetVideoThumbnail

          string VideoUrl = dataMediaUrl.ImageUrl;
  
          string extension = VideoUrl.Split('.')[VideoUrl.Split('.').Length - 1];
  
          var ffMpeg = new NReco.VideoConverter.FFMpegConverter();
  
          string thumbnailJPEGpath = Server.MapPath(VideoUrl.Replace("~/upload/MediaGallery/", "~/upload/MediaGallery/Thumb_").Replace("." + extension, ".jpg"));
  
          ffMpeg.GetVideoThumbnail(Server.MapPath(VideoUrl), thumbnailJPEGpath);
  
          dataThumbUrl.ImageUrl = VideoUrl.Replace("~/upload/MediaGallery/", "~/upload/MediaGallery/Thumb_").Replace("." + extension, ".jpg");

  This is the error I am getting :

  Server Error in '/' Application.
  
  This program is blocked by group policy. For more information, contact your system administrator
  
  Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. 
  
  
  
  Exception Details: System.ComponentModel.Win32Exception: This program is blocked by group policy. For more information, contact your system administrator
  
  
  
  Source Error: 
  
  
  
  An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
  
  
  
  Stack Trace: 
  
  
  
  
  
  [Win32Exception (0x80004005): This program is blocked by group policy. For more information, contact your system administrator]
  
     System.Diagnostics.Process.StartWithCreateProcess(ProcessStartInfo startInfo) +1889
  
     System.Diagnostics.Process.Start() +119
  
     System.Diagnostics.Process.Start(ProcessStartInfo startInfo) +49
  
     NReco.VideoConverter.FFMpegConverter.ConvertMedia(Media input, Media output, ConvertSettings settings) +1163
  
     NReco.VideoConverter.FFMpegConverter.GetVideoThumbnail(String inputFile, String outputFile, Nullable`1 frameTime) +155
  
     Admin_MediaGalleryVideoUpload.InsertButton_Click(Object sender, EventArgs e) +591
  
     System.Web.UI.WebControls.Button.OnClick(EventArgs e) +9782698
  
     System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +204
  
     System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +12
  
     System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +15
  
     System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +35
  
     System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1639
  
  
  
  Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.3394.0

• Discord.js ERROR : Error : FFmpeg/avconv not found ! Even When Installed

  18 juillet 2020, par shawn

  Here Is My Screen


  


      if (message.member.voice.channel) {
        const connection = await message.member.voice.channel.join();
        const dispatcher = connection.play('./test.mp3');
        dispatcher.on("end", end => {
          voiceChannel.leave();
          });   } else {
        message.reply("You Need To Be In A VC To Test This! `;^)`")
    }


  


  I Have Both FFmpeg And avconv Installed And Set Up As An Environment Variable.
How Come A Still Get This Error ??
And IK That FFmpeg Is Better, I Just Got Avconv Because FFmpeg Wouldn't Work, But Neither Do

  


• How to Create videos from txt with ffmpeg ?

  27 avril 2016, par thora.graham

  I want to create a list of videos from txt files.
  I find a code on stackoverflow

  ffmpeg -f lavfi -i color=c=blue:s=1024x768:d=150 -vf "drawtext=fontfile='C\:\\Windows\\Fonts\\arial.ttf':fontsize=45: fontcolor=white:x=(w-text_w)/2:y=(h-text_h)/2:textfile=1.txt" output.mp4

  But its only can create 1 video at a time with the same duration.

  Is it possible to create several videos at a time ?

  Anyone could help me to create bat file which could create videos from the txt file(1 txt to 1 video), and also each video have the different length(randomly from 180s to 240s)..

  I create a folder named txt, which have 1.txt 2.txt. 3.txt, the save the videos to a folder named video, and the videos name will be 1.mp4 2.mp4 3.mp4

  Thanks...