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• Facebook LIVE with ffmpeg error - av_interleaved_write_frame() : Connection reset by peer

  22 décembre 2016, par above14

  I’m trying to stream to Facebook a Live Video from an Amazon EC2 instance (c4.xlarge). I installed ffmpeg and stream with a command like the following

  ffmpeg -re -f concat -i /home/ec2-user/playlist.txt -f lavfi -re -i anullsrc=channel_layout=stereo:sample_rate=44100 -s 854x480 -c:a aac -strict -2 -ar 44100 -vcodec libx264 -f flv "{rtmp_link}"

  Everything works fine. I had LIVE videos that worked for up to 2 days in a row. Sometimes, without a reason, I got one of these videos interrupted with this error message :

   av_interleaved_write_frame(): Connection reset by peer

  I haven’t been able to figure out a reason for this error yet. The funny thing is that maybe I have 3 streaming going on in the same machine at the same time, and just one of them get stopped by this message. Other times this error happens where there’s just one streaming on the EC2 instance.

  Any ideas about how to find a solution ?

  EDIT

  We have installed a newer version of FFMPEG and the error now is more detailed. We have this message

   RTMP send error 104

  I haven’t found a lot about this issue online. Does someone know what error 104 means ?

• Saving Standard Output in memory instead of a file in C#

  19 décembre 2016, par Shawn W

  There is no online tutorial or even a book, for handling Standard Output with C#.

  I want to save standard output in a variable (memory) instead of a file in Shell Execution.

  This for storing thumbnail image from a video file with ffmpeg.

  The below is my code.

  public static void GetThumbnail(string video, string thumbnail, string ffdir)
  
  {
  
      var cmd = " -ss 00:01:00.000 -i " + '"' + video + '"' + " -vcodec rawvideo -vframes 1 -an -f rawvideo -s 320x240 pipe:1 ";
  
  
  
  
  
      var startInfo = new ProcessStartInfo
  
      {
  
          WindowStyle = ProcessWindowStyle.Normal,
  
          FileName = ffdir + "\\ffmpeg.exe ",
  
          Arguments = cmd,
  
          RedirectStandardOutput = true,
  
          UseShellExecute = false
  
      };
  
  
  
      var process = new Process
  
      {
  
          StartInfo = startInfo
  
      };
  
  
  
      process.OutputDataReceived += ProcessOnOutputDataReceived;
  
      process.ErrorDataReceived += ProcessOnOutputDataReceived;
  
  
  
      process.Start();
  
  
  
      process.WaitForExit(1000);
  
  }
  
  
  
  private static void ProcessOnOutputDataReceived(object sender, DataReceivedEventArgs dataReceivedEventArgs)
  
  {
  
      ....
  
  }

  But it does not enter to the event handler function (ProcessOnOutputDataReceived) when GetThumbnail function launched.

  Is there any clue to solve this problem ?

  I referred the question and answer here :
  getting mulitple images from a single stream piped from ffmpeg stdout

  But it does not help. It seems that the code for previous .NET versions.

• Revision 33445 : Deplacement de inc-theme-head à la suite de habillage.css et ...

  1er décembre 2009, par shnoulle@… — Log

  Deplacement de inc-theme-head à la suite de habillage.css et impression.css pour surcharge