Meeting minutes
This meeting
Nigel: TPAC planning
… IMSC-HRM
… DAPT
… Is any other business, or points to make sure we cover?
no other business
TPAC Planning
Nigel: This is our last call before we meet at TPAC
… Would be good to have as many agenda topics as needed for Chairs to wrangle.
Github: w3c/
Nigel: Specific requested topics:
… To discuss webvtt issue 511 about metadata cue formats
… and
… Eric Carlson and Marcos Caceres asked for time to talk about a Text Track Cue proposal they are planning to work on.
… That one is about cues that insert HTML fragments. I think Pierre had some involvement with that
… several years ago.
… It's in the Safari Developer Preview and has been for a while.
… Looks like they want to take it to the next stage and discuss actual spec changes, and TTWG
… is one of the affected groups I think.
… They asked for it to be later in the day so US folk can dial in. Eric will be there in person.
Gary: I will not be.
Nigel: Are there any other specific agenda topic requests right now?
… The other two agenda topics that I recalled DAPT and IMSC-HRM implementations
… As last year for DAPT I would hope to make some progress if Cyril is present.
Cyril: I will not be there in person but can wake up early to join discussions.
… The Media WG meets from 1400-1900 (on whichever day of the week) to accommodate people on the West Coast.
Gary: I just checked - they meet on Monday afternoon, and MEIG meets on Monday morning.
Nigel: I don't think I've received feedback on DAPT or IMSC-HRM yet
Pierre: I've had some interest from folks who want me to bug them in September.
… One major platform ran imschrm on a big part of their library.
… It turns out that a bunch of their IMSC documents were actually invalid.
… We're in the process of making sure that all the failures were not due to HRM failures.
Cyril: Syntactically?
Pierre: Yes, they were invalid syntactically - all the failures were not HRM related.
Nigel: Were they the sort of syntax errors you might expect to be valid reasonably?
Pierre: One of the issues was that 29.97 framerate content had frame counts of 30 occasionally.
… We're working through that.
… I expect mid-late September to have additional results.
Nigel: Does that mean we have no IMSC or IMSC-HRM topics for TPAC?
Pierre: I'm not aware of anything.
Andreas: One more possible topic. Currently some standards orgs are working on liaisons that may
… reach TTWG and cause an agenda topic. We can decide when it arrives.
Nigel: Thank you for the warning.
… In that case we have a small number of topics for the Chairs to arrange into a schedule.
… Thanks all.
… Anything else on TPAC planning?
Joint meetings
Nigel: On the Monday 11:50-12:35 Spanish time, joint between TTWG, MEIG and (I thought) Media WG.
… Chris has put together an agenda for the whole MEIG session, still a little fluid in terms of the details on the slides.
Gary: We had previously brought up a discussion about the Text Track API but
… I don't think anyone is ready to talk about that because I think,
… especially because of my circumstances, it fell on the floor.
Nigel: Yes, that is a shame, however the Text Track Cue API discussion might help that along potentially.
Gary: Yes, that definitely covers a portion of our big ideals.
Nigel: Let us know if there's anything else to discuss in that joint meeting.
… The next joint call we have is on the Thursday afternoon, with APA and MEIG, 14:30-16:30 Spanish time.
… Chris previously put together a short agenda of bullet points which I think we've circulated here before.
… I don't have it to hand right now.
… I propose we re-circulate that offline.
Chris: for the APA WG joint meeting, I have added the suggested topics to w3c/
Nigel: I think we normally put together an agenda page that's more easily consumable in one place by attendees
… so I should give myself the action to do that.
IMSC-HRM
Nigel: Pierre, you mentioned this at the front of the meeting. Anything more to say?
Pierre: No, based on encouraging commitments I expect results at the end of September.
Nigel: Great, thank you.
Pierre: Unless we discover that everyone has invalid IMSC libraries! That would be a bigger issue.
… It is an issue because it makes testing the HRM difficult.
Nigel: There's a wider point here about the technical quality of tools.
… I often see issues that need ironing out.
Pierre: Maybe there's an opportunity to make further progress on fixing invalid file production.
[Pierre drops off the call]
DAPT
Nigel: I haven't seen anything over the last few weeks. Cyril, have you?
Cyril: No, I stopped on this after the HR forms. I need to pick it up again.
… You had some suggestions about the explainer, Nigel, which I need to action.
… Maybe I could do the internationalisation request pointing to the draft explainer and then fix it?
Nigel: I don't think the changes I suggested were huge.
Cyril: In that case I can do them today or tomorrow and then make the request.
… Also I sent messages to studio contacts to see if they have any opinions and can contribute comments.
… I don't know if it will lead to anything.
… I reached out to Disney, Warner, Apple, CableLabs and I think one more.
Nigel: Would you be able to add those to the Outreach log on the wiki page?
Cyril: Yes, I will.
Nigel: I also got around to contacting MESA today - thank you to both Matt and Pierre for providing details.
… I added that to the Outreach log also.
… We have a bunch of open pull requests that need some work too, most are for you Cyril, at least one is for me.
… For the time being though I haven't received any responses to our liaisons other than acknowledgement, as far as I am aware.
… We asked for responses by 10th September.
Cyril: You will not get a response from MPEG - I can tell you the request was received and reviewed,
… and no action taken.
Nigel: That's fine, we've done what we needed.
… I think I am expecting a response from ITU though, need to check.
… I know they received the message and I think they discussed it.
… Anything else to discuss re DAPT right now?
Cyril: I can't think of anything at the moment.
Meeting close
Nigel: We've completed our agenda, thank you everyone.
… Next meeting will be in Seville, see you there, in person or remotely.
… [adjourns meeting]