15:03:23 RRSAgent has joined #html-media 15:03:23 logging to http://www.w3.org/2013/05/07-html-media-irc 15:03:25 RRSAgent, make logs public 15:03:25 Zakim has joined #html-media 15:03:27 Zakim, this will be 63342 15:03:28 ok, trackbot; I see HTML_WG()11:00AM scheduled to start 3 minutes ago 15:03:28 Meeting: HTML Media Task Force Teleconference 15:03:28 Date: 07 May 2013 15:04:29 zakim, this will be htmn 15:04:31 I do not see a conference matching that name scheduled within the next hour, glenn 15:04:36 zakim, this will be html 15:04:36 ok, glenn, I see HTML_WG()11:00AM already started 15:04:45 zakim, who's on the phone? 15:04:45 On the phone I see Mark_Watson, pal, [Microsoft], +1.417.671.aaaa, +1.425.202.aabb 15:04:52 zakim, aaaa is me 15:04:53 +glenn; got it 15:04:58 zakim, [microsoft] is me 15:04:59 +johnsim; got it 15:05:00 zakim, aabb is me 15:05:00 +ddorwin; got it 15:06:03 BobLund has joined #html-media 15:10:08 BobLunbd has joined #html-media 15:11:34 scribenick: johnsim 15:11:43 chair: ddorwin 15:12:21 joesteele has joined #html-media 15:12:24 TOPIC Roll call 15:12:36 zakim, who's here? 15:12:36 On the phone I see Mark_Watson, pal, johnsim, glenn, ddorwin 15:12:37 On IRC I see joesteele, BobLunbd, Zakim, RRSAgent, ddorwin, pal, johnsim, markw, glenn, trackbot, wseltzer 15:12:44 done 15:12:50 Agenda: http://lists.w3.org/Archives/Public/public-html-media/2013May/0008.html 15:12:50 + +1.408.536.aacc 15:12:58 zakim, aacc is me 15:12:58 +joesteele; got it 15:13:19 + +1.303.661.aadd 15:13:31 zakim, aadd is me 15:13:31 +BobLunbd; got it 15:13:32 http://www.w3.org/2013/04/30-html-media-minutes.html 15:14:13 Topic: Action Items 15:14:21 jdsmith has joined #html-media 15:14:23 Action-10? 15:14:23 ACTION-10 -- Adrian Bateman to discuss bug 19208 with johnsim -- due 2013-04-22 -- OPEN 15:14:23 http://www.w3.org/html/wg/media/track/actions/10 15:15:02 http://tinyurl.com/7tfambo 15:15:14 +[Microsoft] 15:15:33 Action 10 is related to "Keymessage event not needed when Key System already has Key" 15:15:33 Error finding '10'. You can review and register nicknames at . 15:15:50 Which has been replaced with bug 21855 15:15:58 "Avoid network traffic and duplicate sessions for the same key(s)" 15:16:29 Action-11? 15:16:29 ACTION-11 -- Mark Watson to write a proposal for the case where the data is not available to the JS -- due 2013-04-02 -- OPEN 15:16:29 http://www.w3.org/html/wg/media/track/actions/11 15:17:12 markw: new update for action 11 is in a week 15:17:22 done 15:17:48 Topic: EME status and bugs 15:18:00 http://tinyurl.com/7tfamb 15:18:18 correction: http://tinyurl.com/7tfambo 15:19:16 Things done: Removed the second needkey event (19788). Require key IDs (19810) Updated examples to use asynchronous XHR and addEventListener (16541, 18928). Added Issue blocks for error codes and asynchronous loading of the CDM. Swapped 5.1 <-> 5.2 then 4 <-> 5. Removed the FAQ, which was superfluous and diverging from the main text. 15:20:33 joesteele: did removing FAQ clear bugs referring to the FAQ? 15:23:01 http://lists.w3.org/Archives/Public/public-html-media/2013May/0004.html 15:23:18 q+ 15:23:43 https://www.w3.org/Bugs/Public/show_bug.cgi?id=21854 15:24:44 ddorwin: replaces a bunch of bugs - we have a lot of bugs about when to fire bugs, asynchronous events, 15:25:11 q- 15:25:55 ddorwin: lifecycle one, we need some proposed text. Adrian had a proposal. Lifecycle may lead to states or events. comments? 15:26:25 joesteele: a useful diagram - forget who put it together - lifecycle or states changing 15:26:44 Diagram is in https://www.w3.org/Bugs/Public/show_bug.cgi?id=20688#c5 15:27:55 markw has joined #html-media 15:28:22 ddorwin: we need to discuss states 15:28:46 q+ 15:29:16 markw: aagree with joe's comment, key message and getting the message back state 15:30:10 markw: The question is whether the application needs to know the state or can tell from the events 15:31:53 johnsim: provide a state diagram example 15:32:41 Next bug: https://www.w3.org/Bugs/Public/show_bug.cgi?id=21855 15:32:50 "Avoid network traffic and duplicate sessions for the same key(s)" 15:33:45 joesteele: i had one picky comment - avoiding network traffic - my concern is not the additional network traffic but impact on user 15:34:00 joesteele: no reason to make the user act when you already have the key 15:34:14 joesteele: if the application has decided that it does not want to forward the key request 15:34:40 joesteele: hashed something in some other way or user has said "no", you are kind of stuck 15:34:54 joesteele: may not be clear what the application should do in response to that 15:35:24 ddorwin: CDM - for first one - doesn't care if server or application - talking to the UA which is talking to the application - as long as it leads to some result 15:35:40 ddorwin: second one, wouldn't you just call close? 15:36:30 joesteele: agree 15:37:31 ddorwin: next one is media key error codes, skip that one - research that i haven't pasted yet 15:37:52 https://www.w3.org/Bugs/Public/show_bug.cgi?id=16857 15:37:56 ddorwin: group of 4-5 looking for feedback 15:38:09 ddorwin: current discussion is whether we need this 15:39:34 any good reason for application to distinguish - three causes of this error 15:40:07 ddorwin: UA does not support decryption of this content. may not be possible to determine that, so not supported would be a better error 15:41:06 ddorwin: UAs that don't support decryption, to determine it is encrypted, applications that don't have a needkey handler, maybe they just get a decode error or not supported 15:41:38 joesteele: if i am a developer writing an application and i don't know the content is encrypted, how would i know that i need to provide a needkey handler? 15:42:03 q+ 15:42:12 ddorwin: even if you have an event handler, hopefully an error handler, could be one you don't recognize 15:42:57 markw: summary is useful. what we do about the case where we provided key but it is the wrong one? 15:44:11 ddorwin: basically, fired needkey, but it is not what i need, so there is not anything we do in any of the algorithms for that, relates to lifecycle 15:45:48 q+ 15:45:59 ddorwin: how do you indicate that the application things it is done 15:46:22 ddorwin: and that would be a mediakey error and not a media error 15:48:16 q+ 15:48:26 ack markw 15:48:29 akc joe 15:48:41 ack joesteele 15:49:32 ddorwin: error when App is not EME aware, and is that the right thing to do 15:50:05 joesteele: if you are not EME aware, encrypted content - maybe I need to do something more in app 15:50:19 ddorwin: when to distinguish EME aware and EME unaware app 15:51:16 q- 15:51:20 q- 15:52:16 ddorwin: call createsession without getting the data from the needkey event - to avoid getting the key error you would have to register the needkey event 15:52:39 q+ 15:53:42 ack markw 15:54:13 markw: knows that information out of band, not a big imposition to require registering needkey() 15:54:28 ddorwin: john and mark comment in the bug on what they just said 15:55:43 joesteele: one more question - isn't the case where you need to throw this error only going to happen when you don't already have the key you need? 15:56:05 ddorwin: depends on the second bug, always firing needkey event, tbd in the avoid network traffic 15:56:34 ddorwin: i believe we will always fire the needkey event, have to load the CDM to do otherwise 15:57:15 johnsim: create mediakeys = EME aware? 15:57:34 -BobLunbd 15:58:11 ddorwin: it can be even more messy for timing, create media keys and assign element and then load the media, might be simpler to just load the handler 15:59:30 ddorwin: there are those other bugs, down to 29, alot of them are looking for closure or comments, resolutions, please comments on the bugs, especially those in the minutes 16:00:03 topic: AOB 16:00:28 joesteele: i can scribe for the next meeting 16:00:55 ddorwin: assume next meeting is EME. MSE went to pre-last call - should be driving towards zero 16:01:07 adjorned 16:01:07 -pal 16:01:09 -joesteele 16:01:12 -[Microsoft] 16:01:14 -ddorwin 16:01:16 -Mark_Watson 16:01:20 rrsagent, publish minutes 16:01:20 I have made the request to generate http://www.w3.org/2013/05/07-html-media-minutes.html glenn 16:01:32 trackbot, end meeting 16:01:32 Zakim, list attendees 16:01:32 As of this point the attendees have been Mark_Watson, pal, +1.417.671.aaaa, +1.425.202.aabb, glenn, johnsim, ddorwin, +1.408.536.aacc, joesteele, +1.303.661.aadd, BobLunbd, 16:01:35 ... [Microsoft] 16:01:40 RRSAgent, please draft minutes 16:01:40 I have made the request to generate http://www.w3.org/2013/05/07-html-media-minutes.html trackbot 16:01:41 RRSAgent, bye 16:01:41 I see no action items 16:01:44 -glenn