[![W3C][1]][2] # Device APIs Working Group Teleconference ## 01 Oct 2015 See also: [IRC log][3] ## Attendees Present Frederick_Hirsch, Tobie_Langel, Dapeng_Liu, Anssi_Kostiainen, Giri_Mandyam Regrets Dominique_Hazael-Massieux Chair Frederick_Hirsch Scribe fjh ## Contents * [Topics][4] 1. [Welcome, scribe selection, agenda review, announcements][5] 2. [TPAC][6] 3. [Generic Sensor API/][7] 4. [Minutes approval][8] 5. [Testing and Updates on Other Specs][9] 6. [Other Business][10] 7. [Adjourn][11] * [Summary of Action Items][12] * * * Date: 01 October 2015 Agenda: [https://lists.w3.org/Archives/Public/public-device- apis/2015Sep/0030.html][13] ScribeNick: fjh ### Welcome, scribe selection, agenda review, announcements Reminder re TPAC hotels and registration (no DAP F2F) , [https://lists.w3.org/Archives/Public/public-device- apis/2015Sep/0018.html][14] Publishing Moratoria [https://lists.w3.org/Archives/Public/public-device- apis/2015Sep/0025.html][15] Welcome Lukasz Olejnik - [https://lists.w3.org/Archives/Public/public-device- apis/2015Sep/0028.html][16] fjh: Adam from Plantronics also joined [https://lists.w3.org/Archives/Public /public-device-apis/2015Sep/0032.htmlnt][17] ... interested in their interest etc ### TPAC fjh: ad hoc meeting at TPAC scheduled 27 Tuesday 15:00-18:00 ... Tobie will send note to DAP list, has already notified WoT group and Automotive group [https://lists.w3.org/Archives/Public/public-wot- ig/2015Sep/0075.html][18] [https://lists.w3.org/Archives/Public/public- automotive/2015Sep/0021.html][19] tobie: how about geoloc fjh: yes, let them know as well ... will also have breakout session on Plenary Day anssi: we can use plenary for introduction fjh: yes get more interest and participation tobie: too bad long meeting is before introduction ... goal for ad hoc meeting is use cases, requirements, and spec comments [https://www.w3.org/wiki/TPAC/2015/ad-hoc- meetings#Generic_Sensor_API][20] tobie: working session , perhaps try to rewrite APIs for WoT and Automotive using generic sensor API [https://www.w3.org/wiki/TPAC/2015/SessionIdeas#Generic_Sensor_API][21] tobie: for breakout can focus on high level and spec extension fjh: please update the wikis to be clear on the topics anssik: when should I start updating ambient light ... before TPAC? fjh: depends on status of generic sensor spec, is it stable enough? tobie: I'm looking at this as I work on the generic sensor API ... pretty much ready to do now ... before TPAC ok ... details on precisely writing spec not there yet, e.g. security issues [https://slightlyoff.github.io/ServiceWorker/spec/service_worker/#ext ensibility][22] [https://w3c.github.io/webappsec/specs/powerfulfeatures/#example- 1611693b][23] gmandyam: tue 10-12 will have joint meeting of auto and geolocation to discuss use cases related to geolocation ... plan to mention generic sensor during that session as model to use ... encourage anyone interested in generic sensor apis to attend that session as well anssik: can you announce joint meeting gmandyam: yes tobie: I would like to attend fjh: other groups to talk with? tobie: webRTC, enumeration and constraints might be appropriate ### Generic Sensor API/ gmandyam: general problem of capability discovery is important, worth discussion [http://w3c.github.io/mediacapture-main/#enumerating-devices][24] fjh: could consider this as levels in the spec, layers, to enable simple use cases without complexity tobie: approach I am taking ... could do this in separate spec for discovery fjh: plan is to have draft for Tuesday, then can do CfC once you let me know Tobie ... do you need additional review before Tuesday tobie: no, do not need input now ... perhaps on terminology fjh: section looked fine for me, I've used 'virtual sensor' but you mention all possible so ok tobie: would like your input, Giri do you have any? [https://w3c.github.io/sensors/#terminology][25] anssik: liked the terminology fjh: +1 anssik: would you prefer to have issues into FPWD tobie: would like to close about 2/3 before we ship, so there should be fewer question blocks fjh: find it useful to have items inline tobie: can collapse the issues with way to bring inline gmandyam: terminology section is good, maybe also talk about 1-shot and polling and async approaches fjh: can also put issues in appendix with links tobie: have issue for this, higher level view of how sensor data is fetched should be added fjh: can rely on editor to handle this properly tobie: will find compromise have having content , hopefully to be able to expand line items by clicking or if few just put inline fjh: don't need to track issues in doc, but want to share issues with readers that could help or provide feedback gmandyam: need to see if comments on geolocation that can be applied to generic sensor API, will share if I find any ... need to also look at device orientation fjh: can you do this gmandyam: yes, will post to DAP mailing list tobie: looking for feedback from groups and also looking for feedback from developers, hence want to improve the spec and share it Tuesday fjh: need to arrange Transition call for FPWD tobie: Dom suggested we can do this in parallel ### Minutes approval **RESOLUTION: Minutes from 17 Sept 2015 are approved, [https://lists.w3.org/Archives/Public/public-device- apis/2015Sep/att-0017/minutes-2015-09-17.html][26]** ### Testing and Updates on Other Specs anssik: reviewed HTML media capture tests, closed actions ... contacted Microsoft, not tracking spec, not sure whether they are implementing ... not sure status of Mozilla tobie: thought there was project to add into HTML spec, cannot tell now that tracking tool has changed so many times anssiK: living spec is accepting pull requests ... how to contribute to WhatWG Requested feedback from Mozilla and Microsoft: Mozilla: [https://bugzilla.mozilla.org/show_bug.cgi?id=741393#c10][27] Microsoft: [https://github.com/MicrosoftEdge/Status/issues/49#issuecomment-140709630][28] anssi: concern is what if multiple apps to take photo ... could still implement fjh: wonder if Jonas will be at TPAC, perhaps discuss there ... what about battery anssi: mozilla implemented previous spec, plan was to be working on alignment with latest CR, no progress yet ... waiting for mozilla ### Other Business none ### Adjourn ## Summary of Action Items [End of minutes] * * * Minutes formatted by David Booth's [scribe.perl][29] version 1.135 ([CVS log][30]) $Date: 2009-03-02 03:52:20 $ [1]: http://www.w3.org/Icons/w3c_home [2]: http://www.w3.org/ [3]: http://www.w3.org/2015/10/01-dap-irc [4]: #agenda [5]: #item01 [6]: #item02 [7]: #item03 [8]: #item04 [9]: #item05 [10]: #item06 [11]: #item07 [12]: #ActionSummary [13]: https://lists.w3.org/Archives/Public/public-device- apis/2015Sep/0030.html [14]: https://lists.w3.org/Archives/Public/public-device- apis/2015Sep/0018.html [15]: https://lists.w3.org/Archives/Public/public-device- apis/2015Sep/0025.html [16]: https://lists.w3.org/Archives/Public/public-device- apis/2015Sep/0028.html [17]: https://lists.w3.org/Archives/Public/public-device- apis/2015Sep/0032.htmlnt [18]: https://lists.w3.org/Archives/Public/public-wot-ig/2015Sep/0075.html [19]: https://lists.w3.org/Archives/Public/public- automotive/2015Sep/0021.html [20]: https://www.w3.org/wiki/TPAC/2015/ad-hoc-meetings#Generic_Sensor_API [21]: https://www.w3.org/wiki/TPAC/2015/SessionIdeas#Generic_Sensor_API [22]: https://slightlyoff.github.io/ServiceWorker/spec/service_worker/#extensibility [23]: https://w3c.github.io/webappsec/specs/powerfulfeatures/#example- 1611693b [24]: http://w3c.github.io/mediacapture-main/#enumerating-devices [25]: https://w3c.github.io/sensors/#terminology [26]: https://lists.w3.org/Archives/Public/public-device- apis/2015Sep/att-0017/minutes-2015-09-17.html [27]: https://bugzilla.mozilla.org/show_bug.cgi?id=741393#c10 [28]: https://github.com/MicrosoftEdge/Status/issues/49#issuecomment-140709630 [29]: http://dev.w3.org/cvsweb/~checkout~/2002/scribe/scribedoc.htm [30]: http://dev.w3.org/cvsweb/2002/scribe/