Re: [Cellar] Agenda posted for upcoming virtual interim meeting

[Steve Lhomme <[e-mail]>]

I will be traveling so there's a high chance I will not be able to attend the meeting.

> On 18 Feb 2020, at 19:48, Spencer Dawkins at IETF <[e-mail]> wrote:
> 
> 
> This is what I've just uploaded to the datatracker, at  https://datatracker.ietf.org/doc/agenda-interim-2020-cellar-02-cellar-01/.
> 
>  CELLAR -- DRAFT AGENDA for Virtual Interim Meeting
> feburary  25, 2020     21:00 Amsterdam  ***
>                        19:00 UTC
>                        15:00 NYC
>                        12:00 San Francisco
> 
> INFO:
>    https://datatracker.ietf.org/meeting/interim-2020-cellar-02/session/cellar
>    https://datatracker.ietf.org/doc/agenda-interim-2020-cellar-02-cellar-01/
> 
> 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 January 28 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 17 was posted 2020-01-27
>              IESG approved it, and it is now in RFC-editor queue..
>              IANA has reviewed it, created registries.
>              Guestimate is that RFC-editor will complete work by end of
>              March, maybe sooner.
> 
>    * FFV1 -- version 12 was posted 2020-01-28, AD waiting for our revisions.
> 
> 5. FFV1 issues.
> 
> 6. Work on Matroska issues.
> 
> ---- PREVIOUS NOTES
> 
> CELLAR -- DRAFT AGENDA for Virtual Interim Meeting
> January  28, 2020      19:00 UTC
>                        21:00 Amsterdam
>                        15:00 NYC
>                        12:00 San Francisco
> 
> PRESENT:
>         1. Michael Richardson
>         1. Spencer Dawkins
>         1. Steve Lhomme
>         1. Michael Niedermayer
>         1. Jerome Martinez
>         1. Dave Rice
> 7. Martin Below
> 
> REGRETS:
>         *
> 
> INFO:
>    https://datatracker.ietf.org/meeting/interim-2020-cellar-01/session/cellar
>    https://datatracker.ietf.org/doc/agenda-interim-2020-cellar-01-cellar-01/
> 
> 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 December 10 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 now called "whereby.com"
>        https://whereby.com/cellar-interim
> 
>    2c) Roll call
> 
> 4. Welcome to Spencer Dawkins.
> 
> 5. WG status update
>    * EBML -- version 17 was posted 2020-01-27
>       https://datatracker.ietf.org/doc/draft-ietf-cellar-ebml/writeup/
>       https://datatracker.ietf.org/doc/draft-ietf-cellar-ebml/ballot/
> 
>     -17 believed to address all DISCUSS comments now.
> 
>    * FFV1 -- version 12 was posted 2020-1-28.. Going to Adam Roach responsible AD
>                                    doing review.
> 
>     - some issues made. Work is half-done.
>     - Jerome will take the next move to close some of the To do items.
> 
> 6. Work on Matroska issues.
> 
> ** Start New Chapters Pull Request.
> -> Conclusion that splitting chapters off into new document is not worth the
> effort.
> 
> *** does not validate yet, but working on it.  More Text to explain what
> Chapters do. *** pull request was too big, and has been split off into smaller
> chunks to absorb.
> 
> Discussion: do we need some diagrams, etc. for the next meeting?
> No: just go through some issues and deal with some concrete pull requests.
> Updated, issue #354, that was lingering for some time because of EBML path
> format, which is now clear in -17 of EBML, so now we can merge it.  It changes
> half of the lines in the document, so need to do this now.
> 
> 7. Any other business.
> 
> Next meeting: 2020-02-25.
> 
> ---- PREVIOUS NOTES
> 
>   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 2020-01-28,
> 
> _______________________________________________
> Cellar mailing list
> [e-mail]
> https://www.ietf.org/mailman/listinfo/cellar