Re: [Cellar] DRAFT 2019-12-10 minutes and upcoming CELLAR virtual interim meetings

[Steve Lhomme <[e-mail]>]

Hi,

The 2020-08-28 is a Friday, is this correct?

Le mar. 10 déc. 2019 à 22:17, Michael Richardson
<[e-mail]> a écrit :
>
>
> Future meetings will probably be:
>
>    2020-01-21.
>    2020-02-25
>    2020-03-31   (IETF week is 20-27, I goofed during the call)
>    2020-04-28
>    2020-05-26
>    2020-06-23
>    skip July    (IETF week is july 25-31 in Madrid)
>    2020-08-28
>    2020-09-22   possibly in-person with NoTimeToWait - 2020 in AMS.
>    2020-10-27
>    2020-12-01
>
>
> Here are the draft minutes from today.
>
> CELLAR -- DRAFT AGENDA for Virtual Interim Meeting
> December 10, 2019      19:00 UTC
>                        21:00 Amsterdam
>                        15:00 NYC
>                        12:00 San Francisco
>
> REGRETS:
>      1) Reto Kromer
>
> PRESENT:
>     1) Michael Richardson
>     2) Benjamin Turkus
>     3) Dave Rice
>     4) Martin Below
>     5) Michael Niedermayer
>     6) Peter Bubestinger
>     7) Steve Lhomme
>     8) Jerome Martinez
>     9) Dante Bromkovsky
>
>
> INFO:
>    https://datatracker.ietf.org/meeting/interim-2019-cellar-10/session/cellar
>    https://datatracker.ietf.org/doc/agenda-interim-2019-cellar-10-sessa/
>
> WEB CONFERENCE:
>    https://whereby.com/cellar-interim
>    THERE IS NO TELEPHONE DIALIN (You can try this at any time.)
>    These notes at: https://github.com/cellar-wg/chair-notes
>
> 1. Note Well.  https://www.ietf.org/about/note-well/
> 2. Accept draft minutes from October 22 meeting (attached below)
>         no objections or changes noted.
>
> 3. Logistics for Meeting.
>    2a) Etherpad for notes
>        https://etherpad.ietf.org/p/notes-cellar-virtual?useMonospaceFont=true
>
>    2b) APPEAR.IN is not called "whereby.com"
>        https://whereby.com/cellar-interim
>
>    2c) Roll call
>
> 4. Establish meeting schedule for 2020!
>      Fourth tuesday of the month.  Starting January 28, 2020.
>      No meeting in July.
>      September meeting might be 22nd, at conference "No Time to Wait". (web page for the last one: https://mediaarea.net/NoTimeToWait4 , in Amsterdam 2020 September)
>      November meeting moved to Tuesday, December 1.
>
> 5. WG status update
>    * EBML -- version 14 was posted 2019-12-02, on IESG telechat for 2019-12-05
>                --- deferred as document was too long for some IESG membes to get a handle on
>    * FFV1 -- version 11 was posted 2019-10-23, waiting for AD writeup.
>
> Dave Rice reports that changes that occured today was as a result of a review; some figures and tables are now cross-referenced more clearly.
> The same was done to ffv1.  Some help is needed to get appropriate captions on the tables.
> Robert Sparks asks that new versions not be updated until there are replies and instructions.
> ACTION: MCR to followup with Robert Sparks on IANA issue.
>   -> EBML is a "general purpose audio/video container"  Steve to fix #304.
>
> 6. Work on Matroska issues.
>
> Split the main Matroska document to take the Chapters in another document?
> Only elements required for proper playback should be in the main document.
> Document 166 pages today.
> Chapters is 6 pages, section 11.  --- but the section is not finished.
> Core document 9.3.4 "Tracks" is pages 45->106.
>
> MCR: hears support for splitting the chapter off, but asks if there is really that much savings.
> Steve: we could make the document smaller by grouping things that have only one parent or one child, with some better transformation of the formatting.
>
>
> The chapters section is not finished, and there are lot of incomplete sections which will
> make the section significantly larger, and so splitting it off into another document may still be justified.
> It makes no sense to work on it now, but make the split off now.
> Steve will give it a try and see what the savings is, and if we have a lot references that break, but does not think that this is the case.
> Dave Rice is hesistant, not sure he sees enough of an advantage.
> Tags and Meta-data are developed asynchronously, but the chapters are not going to evolve in place.
> This issue will be deferred.
>
> Peter B:
>         ffv1 support in davinci / black-magic.  Would rather do this after the document is published. What is status?
>         did Derek's feedback about the implementation in GO make it back into the document.
>         DR: Yes, this went back into the document about three months ago.  This resulted in a few issues being created, and the review was very helpful.
>
> Noting that there are three decoders: ffmpeg, Derek-GO, and Jerome's decoder
>
> 7. Any other business.
>
> 7.1  Side Data Format for MKV
>         Benjamin: side data format for MKV!
>         Dave Rice: it is merged into Matroska, can add side data to frames.
>         Three competing things how to encode time code into the file. Related discussion at https://mailarchive.ietf.org/arch/browse/cellar/?q=matroska%20and%20side%20data%20vs%20timecode.
>         1) use side data. A debated proposal is at https://github.com/cellar-wg/matroska-specification/pull/348. (needsd to mentioned in main document) A sample of matroska with side data timecode is at https://github.com/Matroska-Org/matroska-test-files/pull/5.
>         2) meta-data tag or segment info(needs to be in main document)
>         3) seperate track (codec-like document)
>
>
>
>
> NEXT meeting is 2020-01-22,
>
> ====
> CELLAR -- DRAFT AGENDA for Virtual Interim Meeting
> October 22, 2019     19:00 UTC
>                        21:00 Amsterdam
>                        15:00 NYC
>                        12:00 San Francisco
>
> Present:
>         1. Michael Richardson
>         1. Martin Below
>         1. Jérôme Martinez
>         1. Steve Lhomme
>         1. Dave Rice
>
>
>
> INFO:
>    https://datatracker.ietf.org/meeting/interim-2019-cellar-09/session/cellar
>    https://datatracker.ietf.org/doc/agenda-interim-2019-cellar-09-sessa/
>
> WEB CONFERENCE:
>     https://whereby.com/cellar-interim
>    THERE IS NO TELEPHONE DIALIN (You can try this at any time.)
>    These notes at: https://github.com/cellar-wg/chair-notes
>
> 1. Note Well. https://www.ietf.org/about/note-well/
> 2. Accept draft minutes from September 24 meeting (attached below)
>
> 3. Logistics for Meeting.
>    2a) Etherpad for notes
>        https://etherpad.ietf.org/p/notes-cellar-virtual?useMonospaceFont=true
>
>    2b) APPEAR.IN is now called "whereby.com"
>        https://whereby.com/cellar-interim
>
>    2c) Roll call
>
> 4. WG status update
>    * EBML -- version 13 was posted 2019-10-22, waiting for AD.
>    * FFV1  -- version 10 was posted 2019-10-10, waiting for AD.
>
> 5. Interest in using gerrithub.io?
>    For non-CLI uses, github has limitations lacking a web-based rebase
>    process.  http://gerrithub.io/
>
> 6. Work on Matroska issues.
>   ** now that EBML has provided the side-data container, we can start adding side-data types to Matroska.
>   ** Google (WEBM) has created some new blocks (for HDR information) in the container, and we need to make sure we do not collide.     https://github.com/cellar-wg/matroska-specification/issues/345
>                 *** can we get them to coordinate better?
>                 *** now it is finished, but we need to try again.  We could say that values up to 10 are reserved.
>
> EBML issue: implementation note default? publish a new version?
> mcr: says go ahead with new version as you wish.
>
> FFV1: still waiting, but there are some issues raised by new decoder for v3.. And we should clarify the text.
>
>
> 7. Any other business.
>
> NEXT meeting is 2019-12-03 moved to 2019-12-10.
>
>
> --
> Michael Richardson <[e-mail]>, Sandelman Software Works
>  -= IPv6 IoT consulting =-
>
>
>
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-- 
Steve Lhomme
Matroska association Chairman