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• Running ffmpeg.exe through windows service fails to complete while dealing with large files

  28 avril 2013, par Harun

  I am using ffmpeg.exe to convert video files to flv format. For that purpose i use a windows service to run the conversion process in background. While trying to convert large files(i experienced it when the file size is >14MB) through windows service it gets stuck at the line which starts the process(ie, process.start();).

  But when i tried to execute ffmpeg.exe directly from command prompt it worked with out any problems.

  My code in windows service is as follows :

  private Thread WorkerThread; 
  
  protected override void OnStart(string[] args)
  
  { 
  
  
  
     WorkerThread = new Thread(new ThreadStart(StartHandlingVideo));
  
     WorkerThread.Start();
  
  }
  
  
  
  protected override void OnStop()
  
  { 
  
     WorkerThread.Abort();
  
  }
  
  
  
  private void StartHandlingVideo()
  
  {   
  
     FilArgs = string.Format("-i {0} -ar 22050 -qscale 1 {1}", InputFile, OutputFile);
  
     Process proc;
  
     proc = new Process();
  
  
  
     try
  
     {
  
  
  
       proc.StartInfo.FileName = spath + "\\ffmpeg\\ffmpeg.exe";
  
       proc.StartInfo.Arguments = FilArgs;
  
       proc.StartInfo.UseShellExecute = false;
  
       proc.StartInfo.CreateNoWindow = false;
  
       proc.StartInfo.RedirectStandardOutput = true;
  
       proc.StartInfo.RedirectStandardError = true;
  
  
  
       eventLog1.WriteEntry("Going to start process of convertion");
  
  
  
       proc.Start();
  
  
  
       string StdOutVideo = proc.StandardOutput.ReadToEnd();
  
       string StdErrVideo = proc.StandardError.ReadToEnd();
  
  
  
       eventLog1.WriteEntry("Convertion Successful");
  
       eventLog1.WriteEntry(StdErrVideo);               
  
   }
  
   catch (Exception ex)
  
   {
  
       eventLog1.WriteEntry("Convertion Failed");
  
       eventLog1.WriteEntry(ex.ToString());            
  
   }
  
   finally
  
   {
  
       proc.WaitForExit();
  
       proc.Close();
  
   }

  How can I get rid of this situation.

• ffmpeg installation on windows 8 xampp v3.2.1 php 5.5.3

  4 mai 2014, par user3454835

  I am trying to install ffmpeg extension on windows 8 xampp v3.2.1 for php 5.5.3.

  I have files of ffmpeg and i am doing following steps

  1. Placing file php_ffmpeg.dll in xampp/php/ext/
  2. Rest files i am keeping in windows/system32
  3. I have added extension=php_ffmpeg.dll in php.ini
  4. Restarted xampp

  but when i see php_info then my extension ffmpeg still not enabled.

  I think ffmpeg files are not compatible to php 5.5.3. May be i have old files so will you please provide me new and correct ffmpeg files for php 5.5.3

  or do you know why i am facing this problem ? any solution for this

• Compiling ffmpeg for android on windows

  8 avril 2014, par Mert

  I tried more than 5 open source library, I have no success to build them on windows.

  This is my first time using NDK and wondering why I can't simply find the .so file and use it instead of compiling from scratch.

  Please guide me with your knowledge, I am kind of stuck here.
  thank you