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• Enreco Video Rotation in Asp.Net Virtual Machine is not completing

  24 juillet 2014, par Sreeraj

  I am developing an ASP.NET Web Api in which I need to concatenate some video clips and rotate them. I could achieve the same when I tried in my local system. When I deployed the same project to an Azure Virtual Machine I am not getting response. I am pretty sure that there isn’t any issue till video concatenation because I could see the concatenated video in the expected folder. Here is the code snippet.

   var ffMpeg = new NReco.VideoConverter.FFMpegConverter();
  
              NReco.VideoConverter.ConcatSettings set = new NReco.VideoConverter.ConcatSettings();
  
              ffMpeg.GetVideoThumbnail(_fileNames[0], imageRootPath + tobename + ".jpg");
  
    if (_fileNames.Count() > 1)
  
              {
  
                  ffMpeg.ConcatMedia(_fileNames, videoRootPath + tobename + "_r.mp4", NReco.VideoConverter.Format.mp4, set);
  
  
  
                  string path = HttpContext.Current.Server.MapPath("~\\bin\\");
  
                  System.Diagnostics.Process ffmpeg = new System.Diagnostics.Process();
  
                  ffmpeg.StartInfo.FileName = path + "\\" + "ffmpeg.exe";
  
                  ffmpeg.StartInfo.Arguments = "-i " + videoRootPath + tobename + "_r.mp4" + " -c copy -metadata:s:v:0 rotate=90 " + videoRootPath + tobename + ".mp4";
  
                  ffmpeg.Start();
  
                  ffmpeg.WaitForExit();
  
              }

  ffmpeg.ConcateMedia is working fine. I can’t figure out why the External process that I have invoked does not complete. The same piece is working fine in my local Visual Studio.

  Thank you in advance

• Is there any way to trim YouTube video without downloading it to local machine ?

  12 août 2020, par Sonu Bamniya

  I am creating an app to trim video where a user either can upload the video file or can paste YouTube URL.
I am able to make the trimmer work for upload video using FFmpeg, but for YouTube URL, firstly I need to download the video to the local machine and then trim it using FFmpeg.

  



  I am using youtube-dl NodeJS library to save the video file to locally, but the issue is as I am allowing the user to download only 15Sec video no more than that, and I have applied validation of 60m long video, yet when I get 1080p video there are two issues.

  



  1. There is no audio in the 1080p video.


  



  and

  



  2. The video is taking too long to download locally and the process is taking almost 7-8mins to complete.


  



  For the first one, I can get the audio and video separately and then merge both of them in the video, but the second one is where I am stacked.

  



  I have added a time log I can see the trimming is taking only about 3-4 seconds, but the downloading is taking too long.

  



  Is there any way to make it work faster ? Or, Is there any way I can download only that part of the video, not the full video, in any technology.

  



  I am open to using any technology until it is working faster than my current implementation.

  



  If this is something related to server configuration, please suggest which one would work better.

  


• +clearOnPosition() in docs

  24 octobre 2012, par Scott Schiller

  m doc/index.html +clearOnPosition() in docs