Kernel Recipes 2013 - Make your own LED panel
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Kernel Recipes 2013 - Make your own LED panel

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  • 1. Make your own LED panel Arnaud Patard arnaud.patard@hupstream.com
  • 2. ● What a strange idea, why not organizing a conference about Linux distributions in Paris ● Let’s help speakers and provide them a countdown #1 Myobjectives
  • 3. ● What do I have for this ? 2 LED panels A box to get a local wifi access point (Genesi EfikaMX smarttop) ● What constraints ? create our own software solution Manage remote control #2 Reusethehardwarearound
  • 4. #3 Generalscheme
  • 5. ● Create a gstreamer plugin to manage a 32×16 pixels LED panel, using only RGB stream, based on « cacasink » as a template ● A small script Input : videotestsrc Print text : textoverlay Video resizing : 64x16 splitted in 2 parts to get 2 streams ● While supported some time ago, the board is not supported anymore by the kernel #4 Whatwasdevelopped
  • 6. http://blog.hupstream.com/fr/2013/04/08/the-final-countdown/