13:53:51 RRSAgent has joined #me 13:53:55 logging to https://www.w3.org/2023/04/04-me-irc 13:53:55 Zakim has joined #me 13:57:26 meeting: Media Entertainment Interest Group 13:57:34 tidoust has joined #me 14:00:00 present+ Kaz_Ashimura, Andreas_Tai, Chris_Needham, Hisayuki_Ohmata, Kinji_Matsumura, Tatsuya_Igarashi 14:00:57 atai_ has joined #me 14:02:25 present+ Francois_Daoust, Ryo_Yasuoka 14:03:58 ohmata has joined #me 14:04:00 JohnRiv has joined #me 14:04:19 Chair: Chris, Igarashi 14:04:23 present+ Ewan_Roycroft 14:04:34 rrsagent, make log public 14:04:37 rrsagent, draft minutes 14:04:38 I have made the request to generate https://www.w3.org/2023/04/04-me-minutes.html kaz 14:04:45 q+ 14:04:59 scribe+ cpn 14:04:59 present+ 14:05:23 Slides -> https://docs.google.com/presentation/d/1nwduBeigumppOYISDMFfZDHc6Rpk-6BgfjOam_Bvzq4/edit 14:05:45 present+ Chris_Lorenzo 14:06:02 Slideset: https://docs.google.com/presentation/d/1nwduBeigumppOYISDMFfZDHc6Rpk-6BgfjOam_Bvzq4/edit 14:06:22 topic: Agenda 14:06:28 [Slide 2] 14:06:28 cpn: several topics 14:06:42 nhk-ryo has joined #me 14:06:45 ... rechartering, media wg updates 14:06:56 s/... r/cpn: r/ 14:07:01 rrsagent, draft minutes 14:07:02 I have made the request to generate https://www.w3.org/2023/04/04-me-minutes.html kaz 14:07:14 ... also AV Meia Formats CG 14:07:27 ... and F2F meeting during TPAC 2023 14:08:09 topic: Rechartering 14:08:16 cpn: current charter ends the end of April 14:08:30 [Slide 3] 14:08:48 -> @@@ draft charter 14:09:02 -> @@2 yet another update by a PR 14:09:08 cpn: need extension 14:09:42 kaz: The IG needs to finalise the draft charter, then in parallel I'll request rechartering in the strategy repository 14:10:08 ... once the draft is fixed from the group's viewpoint, we can start the security, privacy, i18n, and a11y reviews, W3M, AC review 14:10:11 Louay has joined #me 14:10:15 ... usually takes 2-3 months 14:10:28 present+ Louay_Bassbouss 14:10:29 ... so we should requests a 3 months extension 14:10:43 present+ Yasser 14:10:57 present+ Francois 14:10:59 Kaz: I'll talk with PLH about that, to bring to W3M 14:11:47 s|@@@|https://w3c.github.io/media-and-entertainment/charters/charter-2023.html| 14:12:03 s|@@2|https://github.com/w3c/media-and-entertainment/pull/94| 14:12:25 rrsagent, draft minutes 14:12:26 I have made the request to generate https://www.w3.org/2023/04/04-me-minutes.html kaz 14:13:03 cpn: (goes through the preview draft) 14:13:18 -> https://cdn.statically.io/gh/w3c/media-and-entertainment/use-latest-template/charters/charter-2023.html preview 14:13:29 ... starting with Success Criteria 14:13:44 -> https://cdn.statically.io/gh/w3c/media-and-entertainment/use-latest-template/charters/charter-2023.html#success-criteria 4. Success Criteria 14:14:08 ... next change around Coordination 14:14:42 [[ 14:14:42 Engagement and coordination with other organizations in the media industry to promote implementation of W3C standards, 14:14:43 ]] 14:14:49 cpn: then scope 14:15:14 [[ 14:15:16 Identification of requirements for improved support for media-centric applications on the Web platform 14:15:17 ]] 14:15:26 cpn: that's rather clarification 14:15:37 ... then finally list of coordination groups 14:15:57 ... Audiovisual Media Formats for Browsers CG has been added 14:16:06 ... that group started around TPAC last year 14:16:16 ... will talk about that group later 14:16:26 ... have some questions 14:16:45 ... the new template has a new section around Motivation and Background 14:17:02 ... my question is if it's necessary for us 14:17:08 ... or can simply remove the section? 14:17:19 ... second question is 14:17:28 ... if we want to keep it, what to say? 14:17:43 ... would be useful to describe what to do around media on the Web 14:17:56 ... background and relevance as a positive story 14:18:36 ... my concern is that we potentially need some more time to update that section and get consensus 14:18:43 q+ 14:18:47 ... so do we think we should write something? 14:18:48 ack k 14:18:53 ack a 14:19:01 atai: think that's useful section 14:19:11 ... maybe a few sentences would work 14:19:28 ... others may want to read that section 14:19:33 ... may helpful 14:19:46 ... should not use too much time, though 14:19:52 cpn: tend to agree 14:19:58 ... doesn't need to be very long 14:20:11 ... is anybody interested to help? 14:20:21 rrsagent, draft minutes 14:20:22 I have made the request to generate https://www.w3.org/2023/04/04-me-minutes.html kaz 14:20:35 q? 14:20:46 q+ 14:21:01 cpn: is it required for the rechartering? 14:21:27 Kaz: Not all groups have it, so if we need to work on it quickly, it could be skipped. But providing some brief text could be very helpful 14:21:37 i/is it/scribenick: cpn/ 14:21:41 scribenick: kaz 14:21:44 cpn: agree 14:21:53 ... my only question is time schedule 14:22:21 ... we have to draft some text to be reviewed by everybody 14:22:25 q+ 14:22:36 ... once we got a consensus, we can send it out to the horizontal review 14:22:37 ack k 14:22:42 ... happy to draft something 14:22:59 ... don't know what extent to be described, though 14:23:05 q? 14:23:14 ... we can describe what we're looking forward, etc. 14:23:25 atai: also looked at the timeline 14:23:35 ... don't block the schedule 14:23:43 ... both are possible 14:23:47 q+ 14:23:50 ack a 14:24:03 ... maybe we can agree on during the next meeting? 14:24:14 cpn: maybe too long to wait until the next call 14:24:36 ... this came late since we were not aware of the latest template 14:24:38 ... sorry 14:25:01 ... maybe I can draft some text to be shared to you 14:25:10 kaz: tx 14:25:12 ... can help 14:25:21 ... maybe within one week or so 14:25:33 cpn: and the next step is getting consensus 14:26:21 Kaz: If the other parts are fine, focus on the motivation section and ask for specific review on that from members 14:26:31 i/If/scribenick: cpn/ 14:26:45 scribenick: ka 14:26:47 scribenick: kaz 14:26:57 q- 14:27:05 topic: Media WG updates 14:27:08 subtopic: MSE 14:27:08 [slide 4] 14:27:33 cpn: MSE and EME 14:28:00 ... the person who has been working on those topics is no longer available 14:28:15 ... so need to re-prioritize the topics 14:28:45 ... consensus within the Media WG about what to do 14:28:50 ... so the features are coming 14:29:09 ... encoding VR formats, etc. 14:29:14 ... dynamic insertion as well 14:29:23 ... the other major item is Worker support 14:29:35 ... not Service Workers 14:29:56 ... need some level of implementation support 14:30:09 ... at the moment, maybe only by Chromium 14:30:45 ... easier for developers to support dynamic rendering on Safari 14:31:08 ... useful to constraint resource device 14:31:10 ... including TV sets 14:31:34 ... user agents to react to changes in available memory and networking capabilities 14:31:41 ... think it's an interesting proposal 14:32:01 -> https://github.com/w3c/media-source/issues/232 MSE issue 232 14:32:15 -> https://docs.google.com/document/d/1jJ0nse9i3cpE59mhSiq2ZKemCq1B5ZuLQ2UzqigIYLA/edit explainer 14:32:39 cpn: would like go into the details of the proposal at some point 14:32:57 ... those are the scope for v2 14:33:32 ... on the other hand, reduce the power impact of MediaSource APIs 14:33:50 ... because of constrained resources 14:34:10 ... but likely deferred to a future version 14:34:38 ... another thing might be in the scope is bug fixing 14:34:52 ... some high-priority topics there 14:35:01 ... as part of the v2 iteration 14:35:10 ... any questions? 14:35:24 ... if any time during the call, happy to revisit this 14:35:34 subtopic: EME 14:35:45 cpn: similar situation 14:35:51 ... a few features for v2 14:36:16 ... add encryption schema capability detection 14:36:27 ... proposed feature to find an existing EME session 14:36:35 ... was de-priotized 14:36:47 ... due to lack of developer need 14:37:09 ... then 14:37:22 ... new question on how EME operates data 14:37:35 ... control any persistent storage browser maintains 14:37:56 ... Web site would log out any cookies 14:38:09 ... session maintenance and key management 14:38:19 i/cpn: similar situation/[Slide 5] 14:38:25 ... feedback welcome 14:38:47 ... the argument is complexity due to negotiation 14:39:06 q? 14:39:11 ... if any particular opinions, feedback welcome 14:39:24 ... EME v2 ends with those features 14:39:45 ... recommendation is reviewing the draft 14:39:49 [Slide 6] 14:40:18 s/... recommendation is reviewing the draft// 14:40:24 ... recommendation is reviewing the draft 14:40:41 ... happy to follow up 14:40:59 ... any thoughts/comments? 14:41:14 john: let's work together 14:41:20 cpn: yes, let's coordinate 14:41:30 s/draft/draft by CTA WAVE/ 14:41:39 topic: AV Media Format CG 14:41:44 cpn: proposal from Dolby 14:41:49 [Slide 7] 14:41:55 ... particular AV format they develop 14:42:30 ... because they're very careful about intellectual issues 14:42:34 ... created a CG 14:42:39 s/CG/separate CG/ 14:42:48 ... since we met during the TPAC 2022 14:43:01 ... developed a Charter to define the scope of the CG 14:43:29 -> https://github.com/w3c/avmedia-formats-cg/pull/2 avmedia-formats-cg PR 2 14:43:45 cpn: interest in their developed particular format 14:43:59 ... the link in the slide here (above) for the draft Charter 14:44:11 ... the next step is for that Charter to be reviewed 14:44:21 ... by the CG 14:44:29 ... and people from Dolby as well 14:44:47 ... at some point very soon, actual points to be presented 14:44:56 ... what they want to achieve, etc. 14:45:03 ... to be scheduled 14:45:12 ... so that you can join it 14:45:22 ... hopefully not far away 14:45:30 ... any questions? 14:45:32 (none) 14:45:37 topic: TPAC 2023 14:45:46 cpn: last item for today 14:45:47 [Slide 8] 14:45:59 ... when we want to meet? 14:46:06 ... in Sep, 2023 14:46:15 ... although that's in 5 months away 14:46:33 ... but we need make decision if we want to have a f2f meeting there 14:46:57 ... TPAC will be organized as a 5-day meeitng 14:47:10 ... 2 * 1.5h sessions in the morning 14:47:21 ... and 2 * 2h session in the afternoon 14:47:34 ... historically, we've been holding our meeting on Monday 14:47:47 ... expecting the meeting will be partly remote 14:48:43 ... suggestion is either 1 or 2 * 1.5h sessions in the morning or 2 hour session in the afternoon 14:48:56 ... last year schedule here 14:49:09 [slide 9] 14:49:14 cpn: my question is 14:49:25 ... are there other groups for joint meetings? 14:49:37 ... e.g., TTWG 14:49:48 ... have not have discussion with them, though 14:50:10 [slide 8] 14:50:14 cpn: (go back to slide 8) 14:50:25 ... would have presentation from NHK too 14:50:59 ... during TPAC or a separate meeting after TPAC 14:51:15 ... would like to combine those two meetings like we did last year 14:51:24 ... please let me know about your preference 14:51:34 ... would like to put it into the agenda 14:51:45 ... roughly coming back to TV apps 14:52:07 ... historically, we invited joint sessions with WAVE guys 14:52:18 ... would like to invite them again 14:52:30 ... the question is if we have enough time for all the agenda items 14:52:36 q+ 14:52:40 ... any thoughts? 14:52:54 john: timing? 14:53:01 ... sometimes have meetings IBC 14:53:08 ... 14th 14:53:19 ... so Monday/Tuesday would be the best 14:53:26 cpn: right 14:53:47 john: WAVE meeting at IBC the week before 14:54:14 cpn: would like to put all the media stuff Monday/Tuesday 14:54:20 john: sounds good 14:54:35 cpn: also survey on TV apps and performance 14:54:46 ... there is extended deadline 14:55:07 john: trying to understand how app developers are active 14:55:32 ... would hear from everybody from industry 14:55:35 cpn: ok 14:55:44 ... maybe would be good to have joint discussion 14:55:51 ... in coming month 14:55:59 ... have sent it to EBU too 14:56:31 ... not necessary hear from individual broadcasters, though 14:56:40 ... mixed picture there 14:56:55 ... we did have interesting conversations 14:57:00 john: sounds good 14:57:07 cpn: a few minutes left now 14:57:12 ... anything missed? 14:57:21 ... one thing may be interesting 14:57:36 ... think about what to discuss for upcoming meetings? 14:57:53 ... May 2 14:58:08 ... maybe not good due to the Golden Week in Japan 14:58:10 q+ 14:58:27 ack j 14:58:29 ack 14:58:32 ack k 14:58:43 kaz: note that the next week will be the AC meeting 14:58:48 cpn: right 14:58:59 ... maybe need to cancel the May call 14:59:52 ... good news is getting more interest on TV apps from browser vendors 15:00:01 ... any final comments/thoughts? 15:00:07 q+ 15:00:30 ack k 15:00:35 topic: AOB 15:00:43 Kaz: So you and I will send an email about the Background and Motivation? 15:00:52 Chris: Yes, in the next week, then CfC with proposed wording 15:00:55 i/So/scribenick: cpn/ 15:01:20 scribenick: kaz 15:01:34 cpn: would like to discuss more technical topics next time :) 15:01:55 ... if you celebrate holidays like Easter and Golden Week, please enjoy! 15:01:58 [adjourned] 15:02:25 rrsagent, draft minutes 15:02:26 I have made the request to generate https://www.w3.org/2023/04/04-me-minutes.html kaz 15:03:08 i/need extension/scribenick: kaz/ 15:03:10 rrsagent, draft minutes 15:03:11 I have made the request to generate https://www.w3.org/2023/04/04-me-minutes.html kaz 15:04:10 i/The IG needs to fina/scribenick: cpn/ 15:04:31 i/goes through the/scribenick: kaz/ 15:04:33 rrsagent, draft minutes 15:04:34 I have made the request to generate https://www.w3.org/2023/04/04-me-minutes.html kaz 17:02:15 Zakim has left #me