Subject: [Cellar] Agenda for our January 26 virtual interim meeting

From: Spencer Dawkins at IETF <[email-masked]>
Date: Mon, 25 Jan 2021 12:13:43 -0600

Dear All,

I've uploaded our agenda for tomorrow's meeting, It's available at
https://github.com/ietf-wg-cellar/chair-notes/blob/master/interim-2021-01/agenda.md.
Please let us know if you have any questions or additions.

Best,

Spencer

The current text is

CELLAR -- DRAFT AGENDA for Virtual Interim Meeting
January 26, 2021       21:00 Amsterdam  ***
                       20:00 UTC
                       16:00 NYC
                       13:00 San Francisco
(Time is anchored to Amsterdam)

INFO:
   https://datatracker.ietf.org/doc/agenda-interim-2020-cellar-09-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

   Attendees
   * Spencer Dawkins

1. Note Well.  https://www.ietf.org/about/note-well/
2. Accept draft minutes from October 27 meeting (attached below)

3. Logistics for Meeting.
   3a) Shared COMIMD for notetaking:
       https://codimd.ietf.org/notes-cellar-virtual
       * Note that if you log in to the IETF datatracker, you'll
       be able to edit these notes, add your name to attendee
       lists, etc. *

       Please ask Spencer if you have questions.

   3b) APPEAR.IN is now called "whereby.com"

       https://whereby.com/cellar-interim

   3c) Roll call

4. WG status update

   * draft-ietf-cellar-ffv1-19 was posted 2020-12-01, in AD Followup, but
there's still an open discuss position
   * draft-ietf-cellar-codec-05 was posted 2020-10-19
   * draft-ietf-cellar-matroska-06 was posted 2020-10-19
   * draft-ietf-cellar-tags-05 was posted 2020-10-19
   * has a FLAC specification been posted to the datatracker yet?
   * We agreed at the December meeting that we would have a focused
conversation about FFV1 v4 in our Feberuary meeting, and noted then that
the April 2021 date is not realistic.

5. 2021 virtual interim meeting dates

   * Please note that the proposed 2021 dates discussed at our previous
meeting are now official, approved by our AD, and listed at
https://datatracker.ietf.org/wg/cellar/meetings/
   * Sometime around 2021-09-28, we’ll see if we want to meet at IETF 112
on November 6-12, 2021, in person in Madrid.

6. remaining FFV1 issues from DISCUSS
   * IESG ballot positions at
https://datatracker.ietf.org/doc/draft-ietf-cellar-ffv1/ballot/
   * Have we closed on Barry's concerns about section 3.8.1.x?
   * Any remaining comments from any ADs that still need to be addressed?
   * If all of the above, what needs to happy to submit an updated draft?

7. From the mailing list: "What is the canonical procedure to create an
"infinite" audio stream, using Opus and FLAC codecs?"

        I have been attempting to locate a site which streams Opus
continuously to test.

I also am interested in the exact opusenc, et al. commands necessary to
achieve creation of live audio streams.

The use cases are implementation of user-defined Web radio station, the
capability to play the "infinite" stream using HTMLAudioElement
(WHATWG/HTML) over HTTP.

("infinite" is quoted here as there is no way to verify infinity; the gist
is playback should not stop; is not seekable).
   *

8. Matroska issues
   *

9. FLAC issues
   *

AOB?

    NEXT MEETING February 23, 2021.

Notes from previous meeting for approval

CELLAR – DRAFT AGENDA for Virtual Interim Meeting
December 1, 2020 21:00 Amsterdam ***
20:00 UTC
16:00 NYC
13:00 San Francisco
(Time is anchored to Amsterdam)

INFO:
https://datatracker.ietf.org/doc/agenda-interim-2020-cellar-09-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

Attendees

Spencer Dawkins
Jérôme Martinez
Michael Richardson
Steve Lhomme
Michael Niedermayer
Rohit Abhishek
Regrets:

Dave Rice
Note Well. https://www.ietf.org/about/note-well/

Accept draft minutes from October 27 meeting (attached below)

Logistics for Meeting.
3a) Shared COMIMD for notetaking:
https://codimd.ietf.org/notes-cellar-virtual
* Note that if you log in to the IETF datatracker, you’ll
be able to edit these notes, add your name to attendee
lists, etc. *

Please ask Spencer if you have questions.
3b) APPEAR.IN is now called “whereby.com”

https://whereby.com/cellar-interim
3c) Roll call

WG status update

FFV1 – version 18 was posted 2020-10-07, waiting for revision
new document on github today -> new document to be uploaded to DT.
some feedback sent to those with DISCUSS (Roman and Barry) ballots.
2021 Proposed virtual interim meeting dates
Fourth Tuesdays in 2021 are

January 26
February 23
March 23
April 27
May 25
June 22
July 28 clashes with IETF 111 so we won't meet on this date
August 24
September 28
October 26
November 23. IETF 112: November 6-12, 2021: MAYBE in person meeting?
* December 28 winter holidays so we won't meet on this date
What do we need to change?
Let’s book this pattern, and then, around 2021-09-28, we’ll see if we want
to meet in person in Madrid.
NoTimeToWait (March 2021, cancelled), but maybe December 2021.
[December 6 is Matroska’s birthday!!!]
remaining FFV1 issues from DISCUSS

no remaining issues!
https://github.com/FFmpeg/FFV1/releases/tag/draft-ietf-cellar-ffv1-19_v4-16
Matroska issues

much discussion about accurate time stamps, progress in a number of pull
requests.

FLAC issues

no focus on this yet.

AOB?

A lot of debate about what we want to do for FFV1 v4.
We will need a focused conversation about this. {have this conversation in
Feb. meeting}: April 2021 date is not realistic.
The RFC on FFV1 versions v1 to v3 coming out will be a big motivation for
the industry.

Next meeting is: January 26.