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agenda-interim-2020-cellar-05-cellar-01-01

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Meeting Agenda		Codec Encoding for LossLess Archiving and Realtime transmission (cellar) WG
Date and time		2020-05-26 19:00 Meeting Local UTC
Title		(None)
State		Active
Other versions		markdown
Last updated		2020-05-26

agenda-interim-2020-cellar-05-cellar-01-01

CELLAR -- DRAFT AGENDA for Virtual Interim Meeting
May 26, 2020 21:00 Amsterdam ***
19:00 UTC
15:00 NYC
12:00 San Francisco

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

Note Well. https://www.ietf.org/about/note-well/
Accept draft minutes from April 28 meeting (attached below)
Logistics for Meeting.
2a) Etherpad for notes
https://etherpad.ietf.org/p/notes-cellar-virtual?useMonospaceFont=true

2c) Roll call

WG status update
* EBML -- still in RFC-editor queue, waiting to get to top
* FFV1 -- version 13 was posted 2020-04-28
*** NEEDS REVISED VERSION after AD Review ***
Mapping of MOV clean aperture values to Matroska
Allow for Dolby Vision Data to be saved within the mkv format (#373)
Add Support for Closed Captions to .MKV container (#375)
On restricting Unknown-Sized Elements
Unknown-Sized Elements are very hard or impossible to parse, and should be restricted (#338)
Add AVC and HEVC codec mappings (#377)
Other Matroska issues

AOB?

NEXT MEETING June 23, 2020.

---- PREVIOUS NOTES

CELLAR -- DRAFT AGENDA for Virtual Interim Meeting
April 28, 2020 21:00 Amsterdam ***
19:00 UTC
15:00 NYC
12:00 San Francisco

Present:
Martin Below
Michael Niedermayer
Dave Rice
Steve Lhomme
Reto Kromer
Jerome Martinez
Michael Richardson
8. Spencer Dawkins

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

Note Well. https://www.ietf.org/about/note-well/
Accept draft minutes from March 31 meeting (attached below)
no comments. Minutes approved.
Logistics for Meeting.
2a) Etherpad for notes
https://etherpad.ietf.org/p/notes-cellar-virtual?useMonospaceFont=true

2c) Roll call

WG status update
* EBML -- still in RFC-editor queue, waiting to get to top
* FFV1 -- version 12 was posted 2020-01-28
*** new revision posted 2020-04-28
- issues still not handled.
- Jerome will write down the list
- §3.4 (about Q)
- §3.8.1.1.1 (non-normative example)
- §3.8.1.2 (no referenced comments)
- §3.8.2.3 (light documentation of the "state" structure)
- §4 (MD-style anchor)
- §4 (phrasing is confusing)
- §4.1.16 (clarification of the word "header")
- §4.2.3.4 (normative dependencies)
- §4.6 (ambiguous)
- §4.7 ("type" indicators)
- §6 (have a look on RFC 4175, Section 8)
Extension drafts on Matroska / FFV1
- Dave Rice: ffv1 encoding float (vs integer) base formats... a new feature MN and JM.
- this might be in ffv1 (v0-3) or in v4, and whether or not the v3 format could support it.
- ffv1 can losslessly store integer formatted pixel formats, but can not store float based pixel formats
- could be done as an extension document to the v3.

Work on Matroska issues.
- reduced number of open pull requests, created some new issues
- all open pull requests were reviewed.
AOB.
Matroska meeting in Amsterdam. No Time To Wait.
Still stalling on opening registration and call for proposals.
Many large gatherings are cancelled due to COVID, so it might delayed or cancelled.
Registration decision will take a few weeks.

NEXT MEETING May 26, 2020.