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• Join us for the Piwik Community Meetup 2015 !

  25 juin 2015, par Piwik Core Team — Community, Meta

  

  We’re excited to announce that our third Piwik Community Meetup will be held in Berlin on Tuesday, the 4th of August, 2015. Don’t miss this great opportunity to connect with other users and meet the core team behind Piwik. It’s free, so REGISTER TODAY ! And maybe you would like to share your Piwik use case ? We’re also waiting for your presentation ideas.

  We will cover some of the upcoming features, discuss the future of Piwik, share tricks and hacks to help you get the most out of your Piwik platform, and socialise. If you use Piwik to improve your websites and apps, or are just generally curious about digital analytics and marketing – this event is not to be missed. As our core team is scattered all over the world, this will be a rare opportunity for you to meet and talk to us all at once – especially for those of you interested in the platform, integrating your app with Piwik, and building plugins.

  After the official part, we would like to enjoy drinks with all the participants in the nearby bars. We hope you will be able to join us !

  All Piwik community members are warmly invited to take part in the meetup !

  Piwik Community Meetup 2015

  When ?

  Tuesday, the 4th of August, from 5-9pm

  Where ?

  Kulturbrauerei
  Schönhauser Allee
  Prenzlauer Berg area
  Berlin, Germany
  exact directions tbc.

  Languages :

  English and German

  Book tickets :

  BOOK YOUR FREE INVITATION HERE

  Open call for YOUR presentation ideas

  We would also like to hear how you use Piwik – we’ll be delighted if you’d share your interesting use case during the Meetup. Please send your presentation ideas (speaking time : 5 to 7 minutes) to : meetup@piwik.pro ! Deadline : 20th of July 2015.

  Contact the organisers :

  meetup@piwik.pro

• Join us for the Piwik Community Meetup 2015 !

  25 juin 2015, par Piwik Core Team — Community, Meta

  

  We’re excited to announce that our third Piwik Community Meetup will be held in Berlin on Tuesday, the 4th of August, 2015. Don’t miss this great opportunity to connect with other users and meet the core team behind Piwik. It’s free, so REGISTER TODAY ! And maybe you would like to share your Piwik use case ? We’re also waiting for your presentation ideas.

  We will cover some of the upcoming features, discuss the future of Piwik, share tricks and hacks to help you get the most out of your Piwik platform, and socialise. If you use Piwik to improve your websites and apps, or are just generally curious about digital analytics and marketing – this event is not to be missed. As our core team is scattered all over the world, this will be a rare opportunity for you to meet and talk to us all at once – especially for those of you interested in the platform, integrating your app with Piwik, and building plugins.

  After the official part, we would like to enjoy drinks with all the participants in the nearby bars. We hope you will be able to join us !

  All Piwik community members are warmly invited to take part in the meetup !

  Piwik Community Meetup 2015

  When ?

  Tuesday, the 4th of August, from 5-9pm

  Where ?

  Kulturbrauerei
  Schönhauser Allee
  Prenzlauer Berg area
  Berlin, Germany
  exact directions tbc.

  Languages :

  English and German

  Book tickets :

  BOOK YOUR FREE INVITATION HERE

  Open call for YOUR presentation ideas

  We would also like to hear how you use Piwik – we’ll be delighted if you’d share your interesting use case during the Meetup. Please send your presentation ideas (speaking time : 5 to 7 minutes) to : meetup@piwik.pro ! Deadline : 20th of July 2015.

  Contact the organisers :

  meetup@piwik.pro

• avcodec/vdpau : Support for VDPAU accelerated HEVC decoding

  13 juin 2015, par Philip Langdale

  avcodec/vdpau : Support for VDPAU accelerated HEVC decoding
  This change introduces basic support for HEVC decoding through vdpau.
  
  Right now, there are problems with the nvidia driver/library implementation
  
  that mean that frames are incorrectly laid out in memory when they are
  
  returned from the decoder, and it is normally impossible to recover the
  
  complete decoded frame due to loss of data from alignment inconsistencies.
  I obviously hope that nvidia will be fixing it in due course - I’ve verified
  
  the problems exist with their example application.
  As such, this support is not useful for any real world application, but I
  
  believe that it is correct (with the caveat that the mangled frames may hide
  
  problems) and will work properly once the nvidia problem is fixed.
  Right now it appears that any file encoded by x265 or nvenc is decoded
  
  correctly, but that’s because these files don’t use a bunch of HEVC
  
  features.
  Quick summary :
  Features that seem to work :
  1) Short Term References
  
  2) Scaling Lists
  
  3) Tiling
  Features with known problems :
  1) Long Term References
  It’s hard to tell what’s going on here. After I read the nvidia example
  
  app that does not set the IsLongTerm flag on LTRs, and changed my code,
  
  a bunch of frames using LTR started to display correctly, but there
  
  are still samples with glitches that are related to LTRs.
  In terms of real world files, both x265 and nvenc only use short term
  
  refs from this list. The divx encoder seems similar.
  Signed-off-by : Philip Langdale <philipl@overt.org>
  

  • [DH] configure
  • [DH] libavcodec/Makefile
  • [DH] libavcodec/allcodecs.c
  • [DH] libavcodec/hevc.c
  • [DH] libavcodec/vdpau_hevc.c
  • [DH] libavcodec/vdpau_internal.h