- From: Adrian Bateman <adrianba@microsoft.com>
- Date: Tue, 29 Oct 2013 16:06:24 +0000
- To: Paul Cotton <Paul.Cotton@microsoft.com>, "public-html-media@w3.org" <public-html-media@w3.org>
Minutes -> http://www.w3.org/2013/10/29-html-media-minutes.html [1]W3C [1] http://www.w3.org/ - DRAFT - HTML Media Task Force Teleconference 29 Oct 2013 [2]Agenda [2] http://lists.w3.org/Archives/Public/public-html-media/2013Oct/0030.html See also: [3]IRC log [3] http://www.w3.org/2013/10/29-html-media-irc Attendees Present paulc, pladd, pal, adrianba, Niels_Thorwirth, ddorwin, BobLund, johnsim, markw, [Microsoft] Regrets Chair Paul Cotton Scribe Adrian Bateman Contents * [4]Topics 1. [5]Roll call, introductions and selection of scribe 2. [6]EME status and bugs 3. [7]Items from last meeting 4. [8]Bug 19809 - Specify which portion of addKey() algorithm to run when updating license for a key 5. [9]Bug 17202 - Explicitly document how keys are to be shared 6. [10]Bug 17682 - Clear Key: Document how keys and key IDs are associated 7. [11]Bug 21855 - Avoid network traffic and duplicate sessions for the same key(s) 8. [12]Bug 17750 - Define the behavior MediaKeySession close() and clearing the keys attribute 9. [13]Bug 17673 - Define Initialization Data for implementations that choose to support the ISO Base Media File Format 10. [14]Bug 20991 - MediaKeys constructor: make CDM loading asynchronous and fix the load failure algorithm 11. [15]Bug 23618 - Drop "key" prefix from event namesEvent name proposal 12. [16]Bug 23619 - Drop or change MediaKeyError constant prefix 13. [17]Open Bugs 14. [18]Any other business 15. [19]Adjournment * [20]Summary of Action Items __________________________________________________________ <trackbot> Date: 29 October 2013 <paulc> Good morning, Ade. <paulc> trackbot, start meeting <trackbot> Meeting: HTML Media Task Force Teleconference <trackbot> Date: 29 October 2013 <trackbot> Sorry, adrianba, I don't understand 'trackbot all set up'. Please refer to <[21]http://www.w3.org/2005/06/tracker/irc> for help. [21] http://www.w3.org/2005/06/tracker/irc%3E <paulc> ok <paulc> thanks <paulc> Agenda: [22]http://lists.w3.org/Archives/Public/public-html-media/2013O ct/0030.html [22] http://lists.w3.org/Archives/Public/public-html-media/2013Oct/0030.html <scribe> ScribeNick: adrianba <scribe> Scribe: Adrian Bateman Roll call, introductions and selection of scribe paulc: done EME status and bugs paulc: last editor's draft updated yesterday <paulc> [23]http://dvcs.w3.org/hg/html-media/raw-file/tip/encrypted-med ia/encrypted-media.html [23] http://dvcs.w3.org/hg/html-media/raw-file/tip/encrypted-media/encrypted-media.html paulc: current bug count is 17 now ... so at least one item has been closed ... two more bugs than last meeting <paulc> [24]http://tinyurl.com/7tfambo [24] http://tinyurl.com/7tfambo Items from last meeting Bug 19809 - Specify which portion of addKey() algorithm to run when updating license for a key [25]https://www.w3.org/Bugs/Public/show_bug.cgi?id=19809 [25] https://www.w3.org/Bugs/Public/show_bug.cgi?id=19809 paulc: david was to evaluate the proposal ... last comment is from david this morning <paulc> [26]https://www.w3.org/Bugs/Public/show_bug.cgi?id=19809#c5 [26] https://www.w3.org/Bugs/Public/show_bug.cgi?id=19809#c5 paulc: it looks like the action has been done but not in a state to close the bug ddorwin: question is should we always try to resume playback if we get an update call and playback is stopped ... this is simplest and could be correct ... hard to specify "did store key" ... proposal is to remove key storage algorithm, provide non-normative guidance, remove did store key flag paulc: comments? ... no comments - think we should resolve this bug and if people see text they don't like they can re-open ddorwin: okay, will continue editing today Bug 17202 - Explicitly document how keys are to be shared [27]https://www.w3.org/Bugs/Public/show_bug.cgi?id=17202 [27] https://www.w3.org/Bugs/Public/show_bug.cgi?id=17202 ACTION-40? <trackbot> ACTION-40 -- Joe Steele to Propose text for bug 17202 to propose how to share keys without leakage of information -- due 2013-10-29 -- OPEN <trackbot> [28]http://www.w3.org/html/wg/media/track/actions/40 [28] http://www.w3.org/html/wg/media/track/actions/40 <paulc> Proposal in [29]http://lists.w3.org/Archives/Public/public-html-media/2013O ct/0031.html [29] http://lists.w3.org/Archives/Public/public-html-media/2013Oct/0031.html paulc: joe isn't here today ... not sure what to do about this ... there have been 5 comments on this <markw> yes paulc: how do we want to handle this given joe's absence <markw> +1 to needing more discussion ddorwin: need more email discussion Bug 17682 - Clear Key: Document how keys and key IDs are associated [30]https://www.w3.org/Bugs/Public/show_bug.cgi?id=17862 [30] https://www.w3.org/Bugs/Public/show_bug.cgi?id=17862 <ddorwin> [31]https://www.w3.org/bugzilla_public/show_bug.cgi?id=17682 [31] https://www.w3.org/bugzilla_public/show_bug.cgi?id=17682 ddorwin: didn't do this yet paulc: no outstanding questions - can just be resolved Bug 21855 - Avoid network traffic and duplicate sessions for the same key(s) [32]https://www.w3.org/Bugs/Public/show_bug.cgi?id=21855#c9 [32] https://www.w3.org/Bugs/Public/show_bug.cgi?id=21855#c9 paulc: is this related to ACTION-40? ddorwin: not sure what the relationship is paulc: this can be resolved as a result of the discussion last time? ddorwin: i think adrian owns this <scribe> ACTION: adrianba to complete work on bug 21855 [recorded in [33]http://www.w3.org/2013/10/29-html-media-minutes.html#action 01] <trackbot> Created ACTION-47 - Complete work on bug 21855 [on Adrian Bateman - due 2013-11-05]. Bug 17750 - Define the behavior MediaKeySession close() and clearing the keys attribute [34]https://www.w3.org/Bugs/Public/show_bug.cgi?id=17750#c8 [34] https://www.w3.org/Bugs/Public/show_bug.cgi?id=17750#c8 ACTION-41? <trackbot> ACTION-41 -- Adrian Bateman to Implement proposal in bug 17750 comment #8 -- due 2013-10-29 -- OPEN <trackbot> [35]http://www.w3.org/html/wg/media/track/actions/41 [35] http://www.w3.org/html/wg/media/track/actions/41 adrianba: didn't get to this yet Bug 17673 - Define Initialization Data for implementations that choose to support the ISO Base Media File Format [36]https://www.w3.org/Bugs/Public/show_bug.cgi?id=17673 [36] https://www.w3.org/Bugs/Public/show_bug.cgi?id=17673 paulc: john and david were going to discuss this johnsim: i got an email from david describing his concerns - we don't have new text yet - i agree with his concerns and they make sense so we need to come up with new language paulc: the next time this group meets is the F2F ... for items still open, not things just waiting editing, i want actions to follow-up before the meeting <scribe> ACTION: john to draft a proposal for bug 17673 [recorded in [37]http://www.w3.org/2013/10/29-html-media-minutes.html#action 02] <trackbot> Created ACTION-48 - Draft a proposal for bug 17673 [on John Simmons - due 2013-11-05]. ACTION-48 due in two weeks <trackbot> Set ACTION-48 Draft a proposal for bug 17673 due date to 2013-11-05. Bug 20991 - MediaKeys constructor: make CDM loading asynchronous and fix the load failure algorithm [38]https://www.w3.org/Bugs/Public/show_bug.cgi?id=20991 [38] https://www.w3.org/Bugs/Public/show_bug.cgi?id=20991 paulc: adrian said he had made the changes and people were going to look at this ... resolved fixed <ddorwin> I reviewed it. It's fine with me. paulc: don't think we need to do anything here Bug 23618 - Drop "key" prefix from event namesEvent name proposal [39]https://www.w3.org/Bugs/Public/show_bug.cgi?id=23618 [39] https://www.w3.org/Bugs/Public/show_bug.cgi?id=23618 paulc: this bug and the next one was to reflect changes proposed in email <paulc> David's email: [40]http://lists.w3.org/Archives/Public/public-html-media/2013O ct/0015.html [40] http://lists.w3.org/Archives/Public/public-html-media/2013Oct/0015.html ddorwin: bugs are just what was in the mail ... proposing to remove the key prefix from events ... not always related to keys so may be confusing jdsmith: this doesn't match our implementation - don't see a strong argument for changing at this stage ddorwin: Microsoft's implementation is prefixed so that will have to change anyway jdsmith: is this aligned with something else? ddorwin: we're firing at a mediakeysession so key seems redundant ... media elements have error event ... more than shorter names, as we've got to the state machine there are many other things that can cause you to be ready jdsmith: seems unnecessarty paulc: if the APIs are prefixed then you still have to change? ddorwin: applications will have to update to drop prefixes ... and make other changes jdsmith: i imagine we can pick this up when we unprefix the API paulc: sounds like you can live with this but won't make the change soon jdsmith: it will be a while paulc: any objection to the changes david is proposing? ... don't hear any ... think we should mark this as implementable <scribe> ACTION: ddorwin to implement bug 23618 [recorded in [41]http://www.w3.org/2013/10/29-html-media-minutes.html#action 03] <trackbot> Created ACTION-49 - Implement bug 23618 [on David Dorwin - due 2013-11-05]. Bug 23619 - Drop or change MediaKeyError constant prefix [42]https://www.w3.org/Bugs/Public/show_bug.cgi?id=23619 [42] https://www.w3.org/Bugs/Public/show_bug.cgi?id=23619 ddorwin: similar to the previous one - we prefixed the constants to fire errors ... this isn't consistent with other things ... not sure what to suggest - it was suggested that we use enum strings paulc: can we use this in WebIDL adrianba: enum strings are defined and commonly used - not sure about with errors <scribe> ACTION: adrianba to work on proposal for bug 23619 [recorded in [43]http://www.w3.org/2013/10/29-html-media-minutes.html#action 04] <trackbot> Created ACTION-50 - Work on proposal for bug 23619 [on Adrian Bateman - due 2013-11-05]. paulc: we're half way through the list - i'd like to look at the other bugs Open Bugs <paulc> David's review: [44]http://lists.w3.org/Archives/Public/public-html-media/2013O ct/0001.html [44] http://lists.w3.org/Archives/Public/public-html-media/2013Oct/0001.html paulc: not sure where we were in following this review ... at the bottom there are a bunch of bugs that need proposals <paulc> *** Need proposals - any volunteers? *** paulc: 18515, 22909, 22910 [45]https://www.w3.org/Bugs/Public/show_bug.cgi?id=18515 [45] https://www.w3.org/Bugs/Public/show_bug.cgi?id=18515 Bug 18515 - Provide more details on behavior of the media element when the key for an encrypted block is not available paulc: last comment from jerry on aug 19 ... giving people a chance to look at this ... jerry, are you willing to take an action to write a proposal on this? ... may mean starting an email thread - want someone on point jdsmith: primary people were david, mark, and joe? ... okay, i'll do that <scribe> ACTION: adrianba to remind jdsmith to write a proposal for bug 18515 [recorded in [46]http://www.w3.org/2013/10/29-html-media-minutes.html#action 05] <trackbot> Error finding 'jdsmith'. You can review and register nicknames at <[47]http://www.w3.org/html/wg/media/track/users>. [47] http://www.w3.org/html/wg/media/track/users%3E. <scribe> ACTION: adrianba to remind jdsmith to write a proposal for bug 1851 [recorded in [48]http://www.w3.org/2013/10/29-html-media-minutes.html#action 06] <trackbot> Created ACTION-51 - Remind jdsmith to write a proposal for bug 1851 [on Adrian Bateman - due 2013-11-05]. [49]https://www.w3.org/Bugs/Public/show_bug.cgi?id=22909 [49] https://www.w3.org/Bugs/Public/show_bug.cgi?id=22909 Bug 22909 - Needs non-normative Security Considerations section markw: i have drafted a privacy section, which i'm reviewing with a few people, and i'm planning to do a security one too paulc: 22910 is the privacy one, right? markw: yes, i've made more progress on that one but was planning to do security next <scribe> ACTION: markw to draft a proposal for bug 22909 and bug 22910 [recorded in [50]http://www.w3.org/2013/10/29-html-media-minutes.html#action 07] <trackbot> Created ACTION-52 - Draft a proposal for bug 22909 and bug 22910 [on Mark Watson - due 2013-11-05]. [51]https://www.w3.org/Bugs/Public/show_bug.cgi?id=22910 [51] https://www.w3.org/Bugs/Public/show_bug.cgi?id=22910 Bug 22910 - Needs non-normative Privacy Consideration section paulc: last category is discussed but no consensus ... 17199, 17660, 20944, and 21869 ... items discussed previously Bug 17199 - Provide examples for and get feedback on Key Release [52]https://www.w3.org/Bugs/Public/show_bug.cgi?id=17199 [52] https://www.w3.org/Bugs/Public/show_bug.cgi?id=17199 paulc: mark made the last comment on july 16 markw: have a feeling it will retain its current status for a while longer ... subject of implementation discussions ... not sure if anything needs to change in the spec paulc: can i give you an action for this? markw: yes adrianba: i proposed that resolving bug 17550 would include the things mark was requesting and maybe we could then resolve bug 17199 ddorwin: was going to say something similar - should make the changes to 17550 and then see if there are any gaps - made this bug dependent on 17550 <scribe> ACTION: markw to propose how to resolve bug 17199 in light of resolution of bug 17550 [recorded in [53]http://www.w3.org/2013/10/29-html-media-minutes.html#action 08] <trackbot> Created ACTION-53 - Propose how to resolve bug 17199 in light of resolution of bug 17550 [on Mark Watson - due 2013-11-05]. Bug 17660 - need token relative with user identity for a new generateKeyRequest parameter [54]https://www.w3.org/Bugs/Public/show_bug.cgi?id=17660 [54] https://www.w3.org/Bugs/Public/show_bug.cgi?id=17660 <paulc> New proposal from Joe: [55]http://lists.w3.org/Archives/Public/public-html-media/2012O ct/0076.html [55] http://lists.w3.org/Archives/Public/public-html-media/2012Oct/0076.html paulc: last proposed by joe a long time ago <scribe> ACTION: adrianba to revive bug 17660 [recorded in [56]http://www.w3.org/2013/10/29-html-media-minutes.html#action 09] <trackbot> Created ACTION-54 - Revive bug 17660 [on Adrian Bateman - due 2013-11-05]. Bug 20944 - EME should do more to encourage/ensure CDM-level interop [57]https://www.w3.org/Bugs/Public/show_bug.cgi?id=20944 [57] https://www.w3.org/Bugs/Public/show_bug.cgi?id=20944 paulc: this is one of the external comments we've received - long item ... mark added something about registry ... i think the best plan is for us to pick this up for the F2F ... don't know if anyone wants to deal with this now or just at the F2F ... any volunteers? Bug 21869 - Need clarity on stored keys for CDMs [58]https://www.w3.org/Bugs/Public/show_bug.cgi?id=21869 [58] https://www.w3.org/Bugs/Public/show_bug.cgi?id=21869 paulc: what do we do with this one? ... we can discuss at the F2F <paulc> [59]https://www.w3.org/Bugs/Public/show_bug.cgi?id=21798 [59] https://www.w3.org/Bugs/Public/show_bug.cgi?id=21798 Bug 21798 - Revisit MediaKeyError codes paulc: assigned to david - blocks 23619 ... is this covered by action-50? ddorwin: this is the actual codes we want? i will propose a list - should get discussion before the F2F ... the other action is how to name, this is what to name ... i'll come up with a list of what errors i think we want <scribe> ACTION: ddorwin to come up with list of errors for bug 21798 [recorded in [60]http://www.w3.org/2013/10/29-html-media-minutes.html#action 10] <trackbot> Created ACTION-55 - Come up with list of errors for bug 21798 [on David Dorwin - due 2013-11-05]. Bug 21854 - Define MediaKeySession life cycle states and/or events [61]https://www.w3.org/Bugs/Public/show_bug.cgi?id=21854 [61] https://www.w3.org/Bugs/Public/show_bug.cgi?id=21854 ddorwin: this was closed and i reviewed the text and i disagreed with a few parts so i reopened the bug to address these minor issues <scribe> ACTION: adrianba to respond to david's comments in bug 21854 [recorded in [62]http://www.w3.org/2013/10/29-html-media-minutes.html#action 11] <trackbot> Created ACTION-56 - Respond to david's comments in bug 21854 [on Adrian Bateman - due 2013-11-05]. paulc: i believe we now have 10 outstanding actions - encourage follow through on those actions in the next couple of weeks ... either in bug or by starting email threads ... so we make progress before F2F Any other business <paulc> EME will be discussed at the WG F2F meeting on Nov 14-15. Next EME Task Force meeting will be on Tue Dec 3. paulc: reminder that EME will be discussed on day 1 of F2F ... we will cancel WG meetings the week after TPAC and the following week is US Thanksgiving ... propose we start again on Dec 3 and EME goes first ... want to close as many items as possible at F2F ... to give editors a couple of weeks to implement decisions ... may not be many work days given vacation and holidays Adjournment paulc: get started on the action items - adjourned Summary of Action Items [NEW] ACTION: adrianba to complete work on bug 21855 [recorded in [63]http://www.w3.org/2013/10/29-html-media-minutes.html#action 01] [NEW] ACTION: adrianba to remind jdsmith to write a proposal for bug 1851 [recorded in [64]http://www.w3.org/2013/10/29-html-media-minutes.html#action 06] [NEW] ACTION: adrianba to remind jdsmith to write a proposal for bug 18515 [recorded in [65]http://www.w3.org/2013/10/29-html-media-minutes.html#action 05] [NEW] ACTION: adrianba to respond to david's comments in bug 21854 [recorded in [66]http://www.w3.org/2013/10/29-html-media-minutes.html#action 11] [NEW] ACTION: adrianba to revive bug 17660 [recorded in [67]http://www.w3.org/2013/10/29-html-media-minutes.html#action 09] [NEW] ACTION: adrianba to work on proposal for bug 23619 [recorded in [68]http://www.w3.org/2013/10/29-html-media-minutes.html#action 04] [NEW] ACTION: ddorwin to come up with list of errors for bug 21798 [recorded in [69]http://www.w3.org/2013/10/29-html-media-minutes.html#action 10] [NEW] ACTION: ddorwin to implement bug 23618 [recorded in [70]http://www.w3.org/2013/10/29-html-media-minutes.html#action 03] [NEW] ACTION: john to draft a proposal for bug 17673 [recorded in [71]http://www.w3.org/2013/10/29-html-media-minutes.html#action 02] [NEW] ACTION: markw to draft a proposal for bug 22909 and bug 22910 [recorded in [72]http://www.w3.org/2013/10/29-html-media-minutes.html#action 07] [NEW] ACTION: markw to propose how to resolve bug 17199 in light of resolution of bug 17550 [recorded in [73]http://www.w3.org/2013/10/29-html-media-minutes.html#action 08] [End of minutes] -----Original Message----- From: Paul Cotton [mailto:Paul.Cotton@microsoft.com] Sent: Monday, October 28, 2013 8:12 AM To: public-html-media@w3.org Subject: {agenda} HTML WG media telecon 2013-10-29 - EME status and bug discussion The HTML WG media teleconference meeting will occur on 2013-10-29 for up to 60 minutes from 15:00Z to 16:00Z. http://timeanddate.com/s/2gzf Tokyo midnight, Amsterdam/Oslo 17:00, London/Dublin 16:00, New Jersey/York 11:00, Kansas City 10:00, Seattle/San Francisco 08:00. Note: The above times are impacted by Europe going off DST on Sun Oct 27: http://lists.w3.org/Archives/Public/public-html-admin/2013Oct/0062.html Chair of the meeting: Paul Cotton Scribe: TBD (See the end of this email for dial-in and IRC info.) == Agenda == 1. Roll call, introductions and selection of scribe 2. Previous meeting minutes http://www.w3.org/2013/10/15-html-media-minutes.html 3. Review of action items and issues https://www.w3.org/html/wg/media/track/ a) ISSUE-1: Consider moving the Clear Key definition into a separate specification https://www.w3.org/html/wg/media/track/issues/1 b) Open ACTION items https://www.w3.org/html/wg/media/track/actions/open Status: Action items are below. 4. EME status and bugs a) Encrypted Media Extensions editor's draft http://dvcs.w3.org/hg/html-media/raw-file/tip/encrypted-media/encrypted-media.html Last updated on Oct 15. b) Encrypted Media Extensions bugs: http://tinyurl.com/7tfambo Status as of Oct 28: 18 bugs 5. Items from last meeting a) Bug 19809 - Specify which portion of addKey() algorithm to run when updating license for a key https://www.w3.org/Bugs/Public/show_bug.cgi?id=19809 Next step: David will re-evaluate 19809. b) Bug 17202 - Explicitly document how keys are to be shared https://www.w3.org/Bugs/Public/show_bug.cgi?id=17202 ACTION-40: Propose text for bug 17202 to propose how to share keys without leakage of information [on Joe Steele] https://www.w3.org/html/wg/media/track/actions/40 c) Bug 17682 - Clear Key: Document how keys and key IDs are associated https://www.w3.org/Bugs/Public/show_bug.cgi?id=17862 Next step: In David's hands for implementation d) Bug 21855 - Avoid network traffic and duplicate sessions for the same key(s) https://www.w3.org/Bugs/Public/show_bug.cgi?id=21855#c9 Next step: Editors are asked to resolve 21855 with David's proposed text. e) Bug 17750 - Define the behavior MediaKeySession close() and clearing the keys attribute https://www.w3.org/Bugs/Public/show_bug.cgi?id=17750#c8 ACTION-41 - Implement proposal in bug 17750 comment #8 [on Adrian Bateman - due 2013-10-22]. f) Bug 17673 - Define Initialization Data for implementations that choose to support the ISO Base Media File Format https://www.w3.org/Bugs/Public/show_bug.cgi?id=17673 Next step: John S and David to discuss. g) Bug 20991 - MediaKeys constructor: make CDM loading asynchronous and fix the load failure algorithm https://www.w3.org/Bugs/Public/show_bug.cgi?id=20991 Next step; TF to review Adrian's proposal. h) Bug 23618 - Drop "key" prefix from event namesEvent name proposal https://www.w3.org/Bugs/Public/show_bug.cgi?id=23618 Next step: TF to review David's proposal. http://lists.w3.org/Archives/Public/public-html-media/2013Oct/0015.html i) Bug 23619 - Drop or change MediaKeyError constant prefix https://www.w3.org/Bugs/Public/show_bug.cgi?id=23619 Next step: TF to review David's proposal. http://lists.w3.org/Archives/Public/public-html-media/2013Oct/0015.html 6. Open bugs summary http://lists.w3.org/Archives/Public/public-html-media/2013Oct/0001.html 7. Any other business 8. Chair and Scribe for next meeting Note: EME will be discussed at the WG F2F meeting on Nov 14-15. Next EME Task Force meeting will be on Tue Dec 3. 9. Adjournment == Dial-in and IRC Details == Zakim teleconference bridge: +1.617.761.6200, conference 63342 ("media") https://www.w3.org/Guide/1998/08/teleconference-calendar#s_5366 Supplementary IRC chat (logged): #html-media on irc.w3.org port 6665 or port 80 Paul Cotton, Microsoft Canada 17 Eleanor Drive, Ottawa, Ontario K2E 6A3 Tel: (425) 705-9596 Fax: (425) 936-7329
Received on Tuesday, 29 October 2013 16:07:38 UTC