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• Catalyst Open Source Academy

  16 janvier 2015, par Matthieu Aubry — Community

  The Open Source Academy is an initiative designed to provide training and work experience for young New Zealand technologists. Catalyst organises the Academy to show young technologists how to participate in open source communities and to fully explore their passion for IT through freely available open source tools.

  It has been running annually since 2011. We are proud that Piwik project could participate in the Academy again this year !

  What students got done

  It’s amazing what a few young students can get done in four days of participating in an open source project like Piwik ! They were able to quickly get started with Piwik, and continued to make useful contributions to the Piwik analytics platform.

  New Darkness theme

  Liam has created a new dark theme for Piwik called Darkness.

  

  To create the theme, Liam had to improve Piwik core stylesheets and created this pull request : Reuse the LESS variable for white color across all stylesheets.

  Accessibility improvements

  We were lucky to spend time with Julius, a Catalyst employee who is blind. He showed us in great detail how difficult and time consuming it can be for a blind user to use Piwik. For example we noticed how complicated it was for Julius to navigate the menus, to get to the main content, and to use the calendar and the Website selector. During this presentation we also noticed that Piwik was not yet usable with the keyboard.

  As a result of this session with Julius we got to work with the students to improve accessibility in Piwik.

  

  (photo source)

  List of accessibility improvements

  All these pull requests were created by the students and have been successfully merged into Piwik :

  • see the focus of menu items when tabbing through the page
  • Tweaks to improve accessibility (section around graph, better tooltip, set language in html)
  • Added h3 tags to widget headers
  • when main Menu is focused, display submenu
  • Add “Skip to content” feature when user presses tab key
  • Improved accessibility by putting offscreen text in the widget title

  To learn more about accessibility in Piwik check out this issue on our tracker.

  Summary

  Working with young students was fun and interesting. We were excited to see how much they got done in such a short time !

  At Piwik and Piwik PRO we are committed to building the best open analytics platform, and we will continue to support students who want to take part in the Piwik adventure.

  Be well,

• Revision 8830772370 : Multi-arf : Add code to turn it on and off. Add test code to turn multi-arf on a

  30 juin 2014, par Paul Wilkins

  Changed Paths :
   Modify /vp9/encoder/vp9_encoder.c

  
   Modify /vp9/encoder/vp9_encoder.h

  
   Modify /vp9/encoder/vp9_firstpass.c

  
  
  Multi-arf : Add code to turn it on and off.

  Add test code to turn multi-arf on and off depending
  on group length and zero motion.

  Changes to active max group length for mult-arf.

  Fund second arf only from normal frame bits.

  Change-Id : I920287fac1c886428c15a39f731a25d07c2b796c

• ffmpeg-php how to convert video and audio the way to use it [on hold]

  8 octobre 2014, par Kareem Moro

  well..i’m working on website that allow users to uploading videos and audio tracks and as you all know that html5 video & audio tags are not supported in all browsers or even all versions
  so i found that ffmpeg is the best way to convert files formats to be supported on all browsers
  i’ve downloaded ffmpeg but i just don’t know how to use it in php scripts or the way to convert the audio or video
  and also wanna know how to control the video quality like youtube
  or even facebook HD or none