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• Senior Software Engineer for Enterprise Analytics Platform

  28 janvier 2016, par Matthieu Aubry — Uncategorized

  We’re looking for a lead developer to work on Piwik Enterprise Analytics core platform software. We have some exciting challenges to solve and need you !

  You’ll be working with both fellow employees and our open-source community. Piwik staff lives in New Zealand, Europe (Poland, Germany) and in the U.S. We do the vast majority of our collaboration online.

  We are a small, flexible team, so when you come aboard, you will play an integral part in engineering. As a leader you’ll help us to prioritise work and grow our community. You’ll help to create a welcoming environment for new contributors and set an example with your development practices and communications skills. You will be working closely with our CTO to build a future for Piwik.

  Key Responsibilities

  • Strong competency coding in PHP and JavaScript.
  • Scaling existing backend system to handle ever increasing amounts of traffic and new product requirements.
  • Outstanding communication and collaboration skills.
  • Drive development and documentation of internal and external APIs (Piwik is an open platform).
  • Help make our development practices better and reduce friction from idea to deployment.
  • Mentor junior engineers and set the stage for personal growth.

  Minimum qualifications

  • 5+ years of experience in product development, security, usable interface design.
  • 5+ years experience building successful production software systems.
  • Strong competency in PHP5 and JavaScript application development.
  • Skill at writing tests and reviewing code.
  • Strong analytical skills.

  Location

  • Remote work position !
  • or you can join us in our office based in Wellington, New Zealand or in Wrocław, Poland.

  Benefits

  • Competitive salary.
  • Remote work is possible.
  • Yearly meetup with the whole team abroad.
  • Be part of a successful open source company and community.
  • In our Wellington (NZ) and Wroclaw (PL) offices : snacks, coffee, nap room, Table football, Ping pong…
  • Regular events.
  • Great team of people.
  • Exciting projects.

  Learn more

  Learn more what it’s like to work on Piwik in our blog post

  About Piwik

  At Piwik we develop the leading open source web analytics platform, used by more than one million websites worldwide. Our vision is to help the world liberate their analytics data by building the best open alternative to Google Analytics.

  The Piwik platform collects, stores and processes a lot of information : hundreds of millions of data points each month. We create intuitive, simple and beautiful reports that delight our users.

  Apply online

  To apply for this position, please Apply online here. We look forward to receiving your applications !

• Command does not complete when executed through a .NET Process ?

  7 mai 2014, par Abe Miessler

  I am using ffmpeg to convert audio files. If I do it through the command line like so :

  ffmpeg -i sourceAudio.wma -f mp3 destAudio.mp3

  it works fine. But when I attempt to do the same thing in a .net application using a Process, ffmpeg starts (and is visible as a running process in my task manager), but never completes. My .NET code never executes past the "WaitForExit" portion unless I go into my task manager and kill the process manually. Code :

  using(Process process = new Process())
  
  {
  
      process.StartInfo.RedirectStandardOutput = true;
  
      //process.StartInfo.RedirectStandardError = true;
  
      process.StartInfo.FileName = Path.GetDirectoryName(System.Diagnostics.Process.GetCurrentProcess().MainModule.FileName) + @"\ffmpeg.exe";
  
      File.Copy(OrigFilePath, LocalFileName, true);
  
      System.Diagnostics.EventLog.WriteEntry("ASP.NET 2.0.50727.0", "Copied file from: " + OrigFilePath + System.Environment.NewLine + "to: " + LocalFileName);
  
      process.StartInfo.Arguments = String.Format(@"-i ""{0}"" -f mp3 ""{1}""", 
  
                                      LocalFileName, 
  
                                      tempDirectory + NewFileName);
  
  
  
  
  
      process.StartInfo.UseShellExecute = false;
  
      process.StartInfo.CreateNoWindow = false;
  
      process.Start();
  
      System.Diagnostics.EventLog.WriteEntry("ASP.NET 2.0.50727.0", "After start...");
  
      string output =  process.StandardOutput.ReadToEnd() + System.Environment.NewLine + process.StandardError.ReadToEnd();
  
      process.WaitForExit();  //<------------------------------ stalls here
  
      System.Diagnostics.EventLog.WriteEntry("ASP.NET 2.0.50727.0", "Conversion completed!  Copying file from: " + LocalConvertedFile + System.Environment.NewLine + OrigFileFolder + "\\" + NewFileName);
  
  
  
      File.Copy(LocalConvertedFile, OrigFileFolder + "\\" + NewFileName,true);
  
      File.Delete(LocalFileName);
  
      File.Delete(LocalConvertedFile);
  
      sw.Stop();
  
      System.Diagnostics.EventLog.WriteEntry("ASP.NET 2.0.50727.0", "Conversion complete. Elapsed time in seconds: " + sw.ElapsedMilliseconds/1000);
  
      return true;
  
  }

  Does anyone know why the process isn’t exiting like it does in the command line ?

• HTML5 Video Compatibility (MP4, WEBM, OGG) in 2021

  19 juillet 2021, par William

  The support of HTML5 video has evolved a lot over the years. I am trying to understand whether the <video></video> element still needs to have three sources : MP4, WEBM, and OGG.

  


  There are a lot of answers throughout StackOverflow with deeply conflicting information - some of which say that you just need MP4 now, others say, MP4 and WEBM are enough, and then finally many say that you need all three (although many of those article are 10 years old).

  


  W3 suggests that either MP4 or WEBM alone would have universal support (Even though I found a 2011 article from Google saying that they would be removing support for MP4/H.264). Wikipedia paints a more complicated picture (as well as listing that Google Chrome does indeed support MP4/H.264). Azure Media services ONLY seems to allow output in MP4, which would suggest to me that MP4 must have widespread compatibility.

  


  Also see Example 1, Example 2, Example 3.

  


  Is there any definitive information on what video types to include in an HTML5 video player to achieve widespread compatibility ?

  


  Background : I am building a Content Management Platform that allows uploading videos. When a new video is uploaded, a conversion process kicks off to convert the video into the required formats. This takes time and CPU/Memory, so if it is possible I would like to convert uploaded videos into as few formats as possible.

  


  p.s. This question HAS been asked before, however, the fundamentals of playing video on the web continually evolve and most of the answers out there have become irrelevant.