534 lines
11 KiB
Text
534 lines
11 KiB
Text
Past Meetings
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=============
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//Menu: sort children descending
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Not all meetings gets summarized on this page. For example, there are no meeting
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summaries at all available for 2010. This only means that there were not enough
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things that needed deciding/documenting during these meetings to warrant someone
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spending time on the task of writing a summary.
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Anyone interested in Lumiera development is also encouraged to read mailing list
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archives and other documentation.
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8 May / 12 June 2024
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--------------------
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Discussion regarding the approach taken towards the next core topic, which
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is how to structure the render nodes in the low-level model and how to perform
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an invocation, leading to the calculation of media data. It is considered very
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important for Lumiera to remain library / framework agnostic, even while we
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use some frameworks and libraries for prototyping. The structure drafted over
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the course of the last years and about to be integrated now must be flexible
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enough to support adapt to the requirements of various libraries, _without
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attempting to build a super structure_ to ``rule them all''.
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13 Mar / 10 Apr 2024
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--------------------
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Status update and informal exchange regarding current development activities
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* after factoring out further external influences, a _breaking point_ for
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processing complex dependent schedules could be established, which closely
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matches theoretical expectations
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* a further measurement series (linear regression) was necessary to establish
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performance characteristics of the scheduler under constant high load
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* as expected, a serious weakness pertaining contention could be confirmed +
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(yet contention is not expected to be a problem in practice)
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* as mitigation, concurrency is scaled down on very short (100µs) jobs
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* overall we are confident that the new scheduler is capable to handle the
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expected load pattern and does not suffer from major (unknown) weaknesses.
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Moreover, the problems related to integration and use of external frameworks
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for video display were discussed further.
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14 Feb 2024
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-----------
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Topics
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~~~~~~
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* Discussion about GTK\+, Python bindings vs. C++ bindings vs. the C-API,
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challenges due to the dynamic nature of layout and inconsistent CSS settings,
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and further difficulties integrating video display.
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* Update regarding the ongoing effort to establish performance limits of the
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Scheduler and discussion about methods of measurement.
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10 Jan 2024
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-----------
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Topics
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~~~~~~
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* Scheduler performance testing
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* using GStreamer for Video output to the GUI
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Summary
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^^^^^^^
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* link:2024-01-10.html[Summary (by benn)]
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13 Dec 2023
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-----------
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Topics
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~~~~~~
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* Extended technical discussion about Scheduler load testing
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and how to find out about inherent limitations of the approach taken
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8 Nov 2023
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----------
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Topics
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~~~~~~
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* Wikipedia
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* Scheduler integration and testing
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* Video output to the GUI
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Summary
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^^^^^^^
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* link:2023-11-08.html[Summary (by ichthyo)]
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11 Oct 2023
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Topics
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~~~~~~
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* Scheduler and worker pool design
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* Rework of multithreading support
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* Compiler and platform upgrades
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Summary
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^^^^^^^
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* link:2023-10-11.html[Summary (by ichthyo)]
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13 Sep 2023
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Topics
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~~~~~~
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* »Focus Topics«
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* Progress on the »Playback Vertical Slice«
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* Website Index and Glossary generator
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* Library solutions for video display in the GUI
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Summary
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^^^^^^^
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* link:2023-09-13.html[Summary (by ichthyo)]
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12 Sep 2013
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-----------
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Topics
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~~~~~~
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* Doxygen
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* FrOSCon aftermath
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* Scheduler interface and requirements definition
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Summary
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^^^^^^^
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* link:2013-09-12.html[Summary (by ichthyo)]
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************************
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Most of our monthly developer meetings are informal discussions currently.
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At times, there is only one developer working at the code, and thus there
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is not much need for coordination. Sometimes, in-depth technical discussions
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and decisions take place, and we'll publish at least an IRC transcript in
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those cases; typically we also create a RfC to summarise the decisions.
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************************
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11 Oct 2012
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-----------
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Topics
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~~~~~~
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* automatisation of packaging
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* dealing with GTK-3 and the Gnome Docking Library
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* builddrone improvements
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* creating support tools for documentation writing,
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especially for cross-links and glossary
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Summary
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^^^^^^^
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* link:2012-10-11.html[Summary (by benn)]
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12 Sep 2012
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Topics
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* RFCs
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* Upgrade to Wheezy/GTK-3
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* Master and the Documentation repository
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* Builddrone v2
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* Trac problems
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* Git Commit Message Format
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Summary
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^^^^^^^
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* link:2012-09-12.html[Summary (by cehteh)]
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************************
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During 2012 again the regular monthly meethings
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were mostly informal detail discussions plus some
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organisational planning. Not much to account for.
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************************
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11 Jan 2012
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Topics
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~~~~~~
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* Website status. Clean-up of TiddlyWikis
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* cross-links and link checking for the website
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* promotion: Libre Graphics Magazine
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* rendering to file: library solutions
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Summary
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^^^^^^^
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* link:2012-01-11.html[Summary (by cehteh)]
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14 Dec 2011
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Topics
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~~~~~~
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* discussion about build systems.
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* review of the SCons build scripts
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* some details about the scheduler and invoking render jobs
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////
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Summary
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^^^^^^^
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* link:2011-12-14.html[IRC Transcript (prepared by XXXX)]
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////
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************************
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During Summer 2011 we kept up our monthly IRC meetings -- rather casual exchange
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for the time being.
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- 9 Nov 2011
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- 12 Oct 2011
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- 14 Sep 2011
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- 10 Aug 2011
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- 13 Jul 2011
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- 8 Jun 2011
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************************
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11 May 2011
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Topics
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~~~~~~
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* detailed technical discussion about the Render Engine Interface
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Summary
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^^^^^^^
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* link:2011-05-11.html[IRC Transcript (prepared by Ichthyo)]
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13 Apr 2011
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Topics
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~~~~~~
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* New Website Page Layout
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+
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liquid layout -- scrolling -- colours
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* Website licensing and legal questions
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* Trac spam
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* Go through Ideas and Drafts in design process
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+
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accepted: ForwardIterator, HighLevelModel, Placement concept, Session structure
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Summary
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^^^^^^^
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* link:2011-04-13.html[Summary (written by Hermann Voßeler)]
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9 Mar 2011
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Topics
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* The New Website
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* IRC Logs
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* VoIP discussions over Mumble?
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* Version numbering
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Summary
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^^^^^^^
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* link:2011-03-09.html[Summary (written by Stefan Kangas)]
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.informal meetings, no summaries
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********
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In 2010, the monthly meetings where rather informal gatherings,
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without any relevant decisions beyond the organisation of conference activities.
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During that time, usually the two remaining Lumiera core developers where alternatively
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either prevented by real-life obligations, or otherwise just in ``deep coding mode''
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********
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9 Sep 2009
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Topics
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~~~~~~
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* FrOSCon
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* Funding
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* Website
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* Ticket Query Clean-up
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* Coding
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Summary
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^^^^^^^
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* link:2009-09-09.html[Summary (written by raffa and Ichthyo)]
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14 Jan 2009
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Topics
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* organisational (protocol, agenda, leftovers?)
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* Logo Contest results, elaborating the winner concept
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* Forming a Workflow group
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* Set up a Trac for issue tracking
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* Getting the \'non-coders' community to help
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* Possible GUI-Integration: Display a frame?
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Summary
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^^^^^^^
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* link:2009-01-14.html[Summary (written by raffa)]
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10 Dec 2008
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Topics
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* organisational (protocol, agenda, leftovers?)
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* Logo Contest progress, discussion about how to do the pre selection
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* rename "EDL" into "Sequence"
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* link:DesignProcess/TimelineSequenceOutput[Project, Timeline(s), Sequence(s) and Output]
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* GUI/Proc Interface and collaboration
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* Threading questions regarding gtk-main and main()
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Summary
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^^^^^^^
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* link:2008-12-10.html[Summary (written by Teld)]
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12 Nov 2008
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Topics
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~~~~~~
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* organisational (protocol, agenda, leftovers?)
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* Logo Contest progress
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* uWiki Progress
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* Builddrone, any helpers?
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* Platform and lib dependency status
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* Discussion about foreseeable problems with Gui Plugins
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* Include dir and namespaces
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* build system, plugin tree
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Summary
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^^^^^^^
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* link:2008-11-12.html[Transcript (supplemented by Ichthyo in 2011)]
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10 Oct 2008
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Topics
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* organisational (protocol, agenda...)
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* Lumiera Logo
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* Design Process: Go through Ideas and Drafts
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- Mistakes to avoid
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- Tag clouds
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- Lumiera Architecture
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- EDLs as meta-clips
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- Builder
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- Lua scripting language
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- Time handling
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- Interface naming
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* Config System (1st version landed)
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* Use of Namespaces
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* Interface Definition Language
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Summary
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^^^^^^^
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* link:2008-10-10.html[Summary (written by Ichthyo)]
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4 Sep 2008
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Topics
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~~~~~~
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* boilerplate (protocol, agenda, ...)
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* Plugin Descriptors
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* Mailinglist, setup, administration
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* Lumiera-work Mailinglist (for TODOs)
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* About Website transition plan
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Summary
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^^^^^^^
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_(missing)_
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7 Aug 2008
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Topics
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* Go through Ideas and Drafts in design process
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* Config System (in the works)
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* Scripting language plans
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* GUI brainstorming page
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Summary
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^^^^^^^
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_(missing)_
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6 Jul 2008
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----------
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Topics
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* boilerplate (protocol, what's left from last meeting)
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* Introduction of Lumiera
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* handling of config errors.
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* scripting language.
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* editing on small devices (eeePC)
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* uWiki.
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* 'musical' timeline in bars and beats
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Summary
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^^^^^^^
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* link:2008-07-06.html[Summary (written by Teld)]
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6 Jun 2008
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Topics
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~~~~~~
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* boilerplate (protocol, what's left from last meeting)
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* Go through Ideas and Drafts in design process
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- processing node interface
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- Placement concept
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Summary
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^^^^^^^
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* link:2008-06-06.html[Summary (written by ichthyo)]
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8 May 2008
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----------
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Topics
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~~~~~~
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* boilerplate (protocol, what's left from last meeting)
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* Go through Ideas and Drafts in design process
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* Website infrastructure
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Summary
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^^^^^^^
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* link:2008-05-08.html[Summary (written by cehteh)]
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3 Apr 2008
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----------
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Topics
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~~~~~~
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* boilerplate (protocol, what's left from last meeting)
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* Go through Ideas and Drafts in design process
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* Call for volunteers (which tasks are to do, how can we interest people) for wiki/todo.html
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* Project announcements/registration (freshmeat, gnu, etc...) any takers?
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* Informal talk about the GUI (We have some people who want to contribute now, what's going on, how can they start)
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* froscon application (linux multimedia booth?)
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* timecode-metadata discussion: convert to arithmetic time type early or late?
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Summary
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^^^^^^^
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* link:2008-04-03.html[Summary (written by sakalli)]
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6 Mar 2008
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Topics
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~~~~~~
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* boilerplate (protocol, whats left from last meeting, next meeting)
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* Go through Ideas and Drafts in design process
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* "Call for design" for some features relevant for the whole Application:
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- parameters and automation
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- render node interface
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- handling of compound sessions
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- session storage interface in general
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* Project name
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* Project Server, setup, organization, administration
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* GPL3 pros cons, license rationale
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Summary
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^^^^^^^
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* link:2008-03-06.html[Summary (written by cehteh)]
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1 Feb 2008
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----------
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Topics
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~~~~~~
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* Who will write the protocol below
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* Discuss the open points in link:Lumiera/DesignProcess[] do we need this formalism?
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* Who works on what, what are the short term goals, what tasks are open
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* State of the new-name search for the was-intended-as-cinelerra-3 project (no name discussion, just how we will progress!)
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* Introduce the development model
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* How to handle the regular meetings in future (day, time, where to put summaries)
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Summary
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^^^^^^^
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* link:2008-02-01.html[Summary (written by Ichthyo)]
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