14:51:08 RRSAgent has joined #webtv 14:51:08 logging to http://www.w3.org/2012/06/07-webtv-irc 14:51:16 zakim, this will be webtv 14:51:16 ok, kaz; I see UW_WebTVIG()11:00AM scheduled to start in 9 minutes 14:51:28 zakim, call kazuyuki-617 14:51:28 ok, kaz; the call is being made 14:51:29 UW_WebTVIG()11:00AM has now started 14:51:31 +Kazuyuki 14:57:30 +[GVoice] 14:57:52 nisc has joined #webtv 15:00:14 +??P18 15:00:16 +??P17 15:00:25 Clarke has joined #webtv 15:00:39 zakim, who's on the phone? 15:00:39 On the phone I see Kazuyuki, [GVoice], ??P18 (muted), ??P17 15:00:47 zakim, ??p18 is glenn 15:00:47 +glenn; got it 15:00:57 zakim, ??17 is me 15:00:58 sorry, nisc, I do not recognize a party named '??17' 15:01:04 zakim, ??p17 is me 15:01:05 +nisc; got it 15:01:09 KevinStreeter has joined #webtv 15:01:25 duncanr has joined #webtv 15:01:30 zakim, GVoice is ddorwin(?) 15:01:31 +ddorwin(?); got it 15:01:37 zakim, who is here? 15:01:37 On the phone I see Kazuyuki, ddorwin(?), glenn (muted), nisc 15:01:38 On IRC I see duncanr, KevinStreeter, Clarke, nisc, RRSAgent, Zakim, kaz, ddorwin, glenn, timeless, trackbot 15:01:56 zakim, [GVoice] is ddorwin 15:01:56 sorry, ddorwin, I do not recognize a party named '[GVoice]' 15:02:10 +??P33 15:02:13 +??P32 15:02:22 zakim, ddorwin(?) is ddorwin 15:02:22 + +1.415.832.aaaa 15:02:23 acolwell has joined #webtv 15:02:26 +ddorwin; got it 15:02:28 zakim, ??P33 isme 15:02:30 I don't understand '??P33 isme', Clarke 15:02:32 +Duncan 15:02:35 zakim, aaaa is me 15:02:36 +KevinStreeter; got it 15:02:40 zakim, who is here? 15:02:40 On the phone I see Kazuyuki, ddorwin, glenn (muted), nisc, ??P33, ??P32, KevinStreeter, Duncan 15:02:42 zakim, ??P33 is me 15:02:44 On IRC I see acolwell, duncanr, KevinStreeter, Clarke, nisc, RRSAgent, Zakim, kaz, ddorwin, glenn, timeless, trackbot 15:02:47 +Clarke; got it 15:03:14 yes 15:03:17 +Aaron 15:03:37 zakim, who is here? 15:03:37 On the phone I see Kazuyuki, ddorwin, glenn (muted), nisc, Clarke, ??P32, KevinStreeter, Duncan, Aaron 15:03:39 On IRC I see acolwell, duncanr, KevinStreeter, Clarke, nisc, RRSAgent, Zakim, kaz, ddorwin, glenn, timeless, trackbot 15:04:24 zakim, ??P32 is Bob 15:04:24 +Bob; got it 15:04:34 yes 15:04:44 no 15:04:57 sorry, had one last hour, and scribing html wg next hour 15:05:04 no problem 15:05:29 zakim, who is here? 15:05:29 On the phone I see Kazuyuki, ddorwin, glenn (muted), nisc, Clarke, Bob, KevinStreeter, Duncan, Aaron 15:05:32 On IRC I see acolwell, duncanr, KevinStreeter, Clarke, nisc, RRSAgent, Zakim, kaz, ddorwin, glenn, timeless, trackbot 15:06:16 scribenick: kaz 15:06:32 agenda: http://www.w3.org/2011/webtv/wiki/MPTF/Agenda_Telco_7th_June_2012 15:07:31 topic: Bug review 15:07:58 clarke: any update 13339? 15:08:03 bob: no update 15:08:35 ... although the bug change the state 15:08:42 +Mark_Vickers 15:09:03 s/13339/13359/ 15:09:21 -> https://www.w3.org/Bugs/Public/show_bug.cgi?id=13359 bug 13359 15:09:33 clarke: what about any other bugs? 15:09:41 ... changes? 15:10:08 mark_vickers has joined #webtv 15:10:13 topic: Adaptive Bitrate Requirements 15:10:28 -> http://dvcs.w3.org/hg/webtv/raw-file/tip/mpreq/MPTF-ADB-Requirements.html ABR 15:10:44 s/ABR/ABR Requirements/ 15:11:10 clarke: there was bad link and got fixed 15:11:30 ... in Terminology section 15:11:58 ... Adaptive Bit Rate and Adaptive Bit Rate Method, etc. 15:12:08 ... definition updated 15:12:27 ... make sense? 15:12:39 s/and/, / 15:12:55 s/etc./ and Adaptive Bit Rate System/ 15:13:20 kevin: seems reasonable 15:14:16 clarke: definition of "Open Source"? 15:14:27 q+ 15:14:30 thinks we should avoid defining 15:14:42 q? 15:14:54 suggests simply putting it in quotes 15:15:47 q- 15:15:58 yes 15:16:21 quote Open Source, as in "Open Source" 15:16:41 kaz: we can refer to W3C Glossary but maybe we don't have to define it 15:16:59 Glenn: can quote Open Source, as in "Open Source" 15:17:06 clarke: objections? 15:17:11 (no objections) 15:17:53 clarke: section 4.1.7, last sentence 15:18:01 ... "Support for different ABR systems should not require any proprietary modification of the user agent" 15:18:33 acolwell: not sure about "any proprietary modification" 15:18:41 clarke: secret information 15:18:54 zakim, who is speaking 15:18:54 I don't understand 'who is speaking', kaz 15:20:24 markV: must be implemented by JavaScript? 15:21:15 clarke: in another words, no secret information is required by ABR vendors/systems 15:21:46 kaz: the period at the bottom of the line is missing :) 15:21:57 clareke: ok 15:22:14 clarke: next 4.1.8 15:22:22 ... "The ability for a browser vendor to implement playback of ABR media in accordance with the requirements in this document must be supported." 15:22:30 s/clareke/clarke/ 15:22:37 ... any ideas? 15:23:03 markV: sounds fine 15:23:10 clarke: 4.1.9 15:23:23 ... was not clear 15:23:37 ... now "While specific implementations may include vendor-specific parameters for special features, the parameters required for basic playback should be publicly specified." 15:24:04 acolwell: good 15:24:12 clarke: 4.1.10 15:24:23 ... "While specific implementations may include vendor-specific error codes, the error codes required for basic operation and diagnosis should be publicly specified. However, the particular ABR systems to be supported is an implementation decision." 15:25:04 acolwell: vendor specific error codes? 15:25:16 ... not sure 15:25:32 ... does that mean you need stop playing? 15:25:57 kevin: what if we have set of errors? 15:26:13 q+ 15:26:29 clarke: error class for various errors? 15:27:20 acolwell: it depends on how you define error codes 15:27:21 Mark_Vic_ has joined #webtv 15:27:32 Mark_Vic_ has left #webtv 15:27:35 Mark_Vic_ has joined #webtv 15:27:37 ... how to identify if we can go ahead if the error is minor 15:27:42 mark_vickers has left #webtv 15:27:56 clarke: error codes might be vendor-specific 15:28:15 acolwell: currently we don't have any vendor-specific error codes 15:28:22 clarke: what about you, Kevin? 15:28:46 kevin: typically we're just mapping to existing error codes 15:28:51 q- 15:29:10 clarke: do we have enough flexibility? 15:29:19 ... return text message, etc.? 15:29:43 kevin: error object handles error codes asis 15:30:22 clarke: we could add a statement saying if vendor would like to add additional mechanism... 15:30:48 kevin: more specific status information, e.g., just return code but don't panic 15:30:59 clarke: you should suggest concrete text here 15:32:11 kevin: a mechanism for implementation should be supported 15:32:25 "a mechanism for supporting implementation specific status should be supported" 15:32:37 s/kevin: a mechanism for implementation should be supported// 15:33:54 clarke: next "Byte Range, Events, ..." 15:34:30 ... and "6. Security" 15:34:39 ... use cases on content protection 15:34:58 (no specific comments) 15:35:14 clarke: section "7. Identified Gaps" 15:35:39 ... buffer management, capability detection, and append URL 15:35:55 ... buffer management is implementation specific 15:36:03 ... anything to say about that? 15:36:29 duncan: other content provider might want advertise into buffers 15:37:16 ... re-buffer the one previously buffered 15:37:33 clarke: would we support that? 15:37:35 kevin: +1 15:38:22 acolwell: requirement should be inserting other contents? 15:38:28 duncan: yes 15:38:44 clarke: what about "Capability Detection"? 15:39:02 ... capability must be identified 15:39:50 ... I was hoped this section was empty 15:40:30 ... if we identify gaps, we add use cases and update the "Identified Gaps" section 15:41:16 acolwell: what kind of use cases should be included? 15:42:12 clarke: will send a message to the ML and ask for opinion about Capability Detection 15:42:34 ... what about "Append URL"? 15:43:06 acolwell: appending URL should be allowed given JavaScript 15:43:59 ... but mixing the requirements of adaptive streaming and media handling 15:44:34 clarke: suggesting you can avoid payload of JavaScript? 15:45:26 ... if your implementation have payload for JavaScript, it should be avoided? 15:46:43 kevin: do we want to make it a requirement? 15:46:53 ... or is that sort of optional? 15:47:05 s/al// 15:47:34 duncan: throw through JavaScript layer for embedded device 15:48:48 kevin: we have a mechanism for embedded device 15:49:08 clarke: not pass through? 15:50:46 bob: if we want it available it should be added 15:51:30 acolwell: BLOB URL might be appended 15:51:53 clarke: don't want to restrict implementations 15:53:53 ... requirment is implementation should not restrict implementation either load the payload through JavaScript or not 15:54:13 ... minimizing copy 15:54:20 s/requirment/requirement/ 15:55:12 clarke: "9. Proposals" and "A. Acknowldegements" 15:56:06 clarke: will update the document 15:56:08 -Mark_Vickers 15:56:09 -Duncan 15:56:10 -KevinStreeter 15:56:10 -Aaron 15:56:12 -Bob 15:56:16 duncanr has left #webtv 15:56:26 Clarke has left #webtv 15:56:34 acolwell has left #webtv 15:56:37 -Kazuyuki 15:56:55 -ddorwin 15:56:58 kaz: minor question: A and B are appendices. right? 15:57:04 clarke: yes 15:57:37 clarke: will do the same review for Content Protection as well 15:57:42 ddorwin has left #webtv 15:57:43 [ adjourned ] 15:57:54 rrsagent, make log public 16:00:02 -glenn 16:00:41 Present: Kazuyuki, David_Dorwin, Glenn_Adams, Niklas Schmücker, Clarke_Stevens, Bob_Lund, Kevin_Streeter, Duncan_Rowden, Aaron_Colwell 16:00:58 Meeting: Media Pipeline Task Force Weekly Call 16:01:03 Chair: Clarke 16:01:11 rrsagent, draft minutes 16:01:11 I have made the request to generate http://www.w3.org/2012/06/07-webtv-minutes.html kaz 16:02:54 KevinStreeter has left #webtv 16:07:34 -nisc 16:12:34 disconnecting the lone participant, Clarke, in UW_WebTVIG()11:00AM 16:12:36 UW_WebTVIG()11:00AM has ended 16:12:36 Attendees were Kazuyuki, glenn, nisc, +1.415.832.aaaa, ddorwin, Duncan, KevinStreeter, Clarke, Aaron, Bob, Mark_Vickers 16:41:39 nisc_ has joined #webtv 17:33:11 Zakim has left #webtv