13:58:43 RRSAgent has joined #webtv 13:58:43 logging to http://www.w3.org/2016/03/02-webtv-irc 13:58:55 JF has joined #webtv 14:00:17 yosuke has joined #webtv 14:00:46 agenda? 14:02:25 agenda: https://lists.w3.org/Archives/Member/member-web-and-tv/2016Mar/0000.html 14:03:32 agenda? 14:03:57 agenda? 14:04:07 zakim, take up agendum 1 14:04:07 agendum 1. "architecture" taken up [from kaz] 14:04:20 agenda + invited and new guests 14:04:33 rrsagent, make logs public 14:04:40 rrsagent, draft minutes 14:04:40 I have made the request to generate http://www.w3.org/2016/03/02-webtv-minutes.html yosuke 14:04:42 agenda? 14:05:02 rrsagent, draft minutes 14:05:02 I have made the request to generate http://www.w3.org/2016/03/02-webtv-minutes.html yosuke 14:05:14 agenda + Use Cases (Communication) 14:05:27 Chair: Alexandra 14:05:32 agenda + Cloud 360 14:05:42 agenda + new Use Cases 14:05:49 agenda + orga 14:05:51 present+ Kaz, Alex, Colin, John, Yosuke 14:05:53 agenda? 14:06:04 Title: Web and TV IG: Cloud Browser TF call 14:06:12 presenta+ 14:06:13 rrsagent, draft minutes 14:06:13 I have made the request to generate http://www.w3.org/2016/03/02-webtv-minutes.html kaz 14:06:37 Meeting: Web and TV IG: Cloud Browser TF call 14:06:37 rrsagent, draft minutes 14:06:37 I have made the request to generate http://www.w3.org/2016/03/02-webtv-minutes.html kaz 14:06:54 present+ JF 14:07:08 zakim, who is here 14:07:08 yosuke, you need to end that query with '?' 14:07:16 zakim, who is here? 14:07:16 Present: Kaz, Alex, Colin, John, Yosuke, JF 14:07:18 On IRC I see yosuke, JF, RRSAgent, Zakim, alexandra-mikityuk, Karen, kaz, tobie, trackbot, sangwhan, timeless 14:08:21 present+ Louay 14:08:35 zakim, pick up the victim 14:08:36 I don't understand 'pick up the victim', yosuke 14:08:55 zakim, please pick up a victim 14:08:55 I don't understand 'please pick up a victim', kaz 14:09:03 zakim, please pick up victim 14:09:03 I don't understand 'please pick up victim', kaz 14:09:08 zakim, please pick a victim 14:09:08 Not knowing who is chairing or who scribed recently, I propose JF 14:09:11 zakim, please pick up a scribe 14:09:11 I don't understand 'please pick up a scribe', kaz 14:09:39 colin has joined #webtv 14:09:58 zakim, please pick a victim 14:09:58 Not knowing who is chairing or who scribed recently, I propose Alex 14:10:18 zakim, please pick a victim 14:10:18 Not knowing who is chairing or who scribed recently, I propose Kaz 14:10:29 scribenick: ka 14:10:34 scribenick: kaz 14:10:59 Louay_ has joined #webtv 14:11:15 alexandra: is Entlix people online? 14:11:20 kaz: don't think so 14:11:21 Zakim, John is JF 14:11:22 sorry, JF, I do not recognize a party named 'John' 14:11:30 Nilo_Mitra has joined #webtv 14:11:33 zakim, who is here? 14:11:33 Present: Kaz, Alex, Colin, John, Yosuke, JF, Louay 14:11:36 On IRC I see Nilo_Mitra, Louay_, colin, yosuke, JF, RRSAgent, Zakim, alexandra-mikityuk, Karen, kaz, tobie, trackbot, sangwhan, timeless 14:12:00 anyone got the webex link handy? 14:12:04 present+ Harrison 14:12:19 We can't share here Nilo. 14:12:32 It's a member confidential but this IRC is public. 14:12:38 ok...thanks 14:13:30 I can share the link to the member restricted web page about it. 14:13:48 harrison: from Entrix 14:13:58 present+ Kumanan 14:14:38 harrison: appreciate your have changed the time slot 14:14:50 ... working for Entrix, one of the subsidiaries of SK Telecom 14:15:26 ... targeting US, China and South Asia, etc. 14:15:35 ... would like to make contribution as much as possible 14:15:45 alex: tx! 14:15:47 q? 14:16:19 alex: please introduce yourself to Harrison :) 14:16:37 kaz: from W3C 14:16:47 got it, thanks to all of you 14:17:00 colin: from Activevideo, Invited Expert 14:17:10 present+ Louay_Bassbouss 14:17:36 john: from DQ system, here for accessibility 14:17:39 ... security, privacy, etc. 14:17:57 present+ Nilo 14:18:01 rragent, draft minutes 14:18:12 ... W3C WAI domain 14:18:46 kumanan: CTO from Espial 14:18:59 ... server software for IPTV and Cable TV 14:19:04 s/... security, privacy, etc./accessibility is like security and privacy, it needs to be architectural 14:19:06 ... cloud browser technology 14:19:28 louay: from Fraunhofer FOKUS 14:19:38 ... multi-screen domain 14:19:49 s/DQ system/Deque System 14:19:52 ... relationship to W3C's second screen APIs 14:20:24 nilo: from Ericsson 14:20:34 present+ So 14:20:56 so: head of advanced technology from NAB 14:21:13 ... migrating broadcasting with IP platform 14:21:37 rrsagent, draft minutes 14:21:37 I have made the request to generate http://www.w3.org/2016/03/02-webtv-minutes.html kaz 14:21:43 yosuke: from W3C 14:22:14 ... also one of the co-Chairs of the Web&TV IG, TV Vertical Champion and Team Contact for the Media Extensions WG 14:22:32 agenda? 14:22:36 alexandra: have short agenda 14:23:15 ... architecture and use cases 14:23:28 ... emails during the last 2 weeks 14:23:36 ... use cases presented by Colin 14:24:05 ... if you have any addition, please speak up 14:24:28 zakim, take up agendum 1 14:24:28 agendum 1. "architecture" taken up [from kaz] 14:24:40 https://www.w3.org/2011/webtv/wiki/Main_Page/Cloud_Browser_TF/Architecture#Architecture 14:26:37 alex: would see use cases and clarify what kind of architecture is required 14:26:52 ... what kind of different architectures are possible 14:27:20 q+ 14:27:47 ... the goal of this TF is not defining the architecture itself 14:27:53 ... but to see use cases 14:28:47 ... the terminology we use this time, e.g., in-band media 14:29:16 ... you can see we've done so far 14:29:26 q+ 14:29:38 ... there is some description on the wiki with some diagram 14:29:44 i have a question, please 14:29:46 q? 14:30:07 ack nilo 14:30:27 nilo: difficult to understand... 14:30:58 ... regarding terminology 14:31:27 ... TV local UI could be broken up into one version of a thin client 14:32:01 alex: much noise on your line... 14:32:12 ... asking about the terminology section? 14:32:36 ... would propose to see the email exchange 14:33:19 ... good to have discussion now 14:33:28 nilo: we have to have definition clearly 14:33:47 ... "zero client" makes sense 14:34:07 ... but "TV local UI" using middleware is unclear 14:34:43 ... the language "local" is a bit odd 14:34:49 +1 to a clearer understanding of native client 14:35:00 q+ 14:35:22 q? 14:35:44 alex: within the cloud browser concept 14:36:00 ... the thickness of the client matters 14:36:18 ... bigger client functionality implies "local UI" 14:36:37 q? 14:36:37 q+ 14:36:59 Colin: don't have strong opinion on the naming 14:37:09 nilo: the terminology is very important 14:37:18 ... we're going to use the terminology 14:37:36 colin: agree 14:37:38 q? 14:37:40 +1 to Nilo, shared terms and understanding is very important 14:38:00 q? 14:38:13 ack y 14:38:18 yosuke: just fyi 14:38:30 ... I'm familiar with terminology for TV 14:39:14 ... can provide some language for the terminology definition 14:39:25 Q+ to propose a matrix, which shows this TF's term choices, and then a "thesaurus" of sorts 14:39:36 q? 14:40:07 q+ 14:40:41 kaz: similar to John 14:40:57 ... but would suggest we have a matrix table of idea vs. terminology 14:41:07 ... also should consider the features for each idea 14:41:18 [From the PoV of TV manufactures, the first one => Middleware UI, the second one => Resident (Native) application if it's not HTML, HTML application if it's HTML] 14:41:42 john: would suggest we create a table with 3 columns, and put brief definition of what each terminology means 14:41:58 q? 14:42:16 ... people can make contribution to the wiki directly 14:42:18 ack k 14:42:19 ack J 14:42:19 JF, you wanted to propose a matrix, which shows this TF's term choices, and then a "thesaurus" of sorts 14:42:48 John: https://www.w3.org/2011/webtv/wiki/Main_Page/Cloud_Browser_TF/Architecture#Terminology 14:42:52 alex: would suggest people put their ideas on the Terminology section directly 14:43:12 john: happy to put something 14:43:16 q? 14:43:20 ... and others also can make contribution 14:43:26 adk l 14:43:28 ack l 14:43:34 louay: comment on Runtime 14:44:03 ... the current description "runs the cloud browser and usually exist on actual hardware" 14:44:22 ... runtime environment is on the client side, isn't it? 14:44:25 alex: yes 14:44:49 louay: also missing user component 14:44:57 ... capability to interact with user 14:45:05 ... need to send user input to the cloud 14:45:49 alex: tx 14:45:54 ... that's a good comment 14:45:57 q? 14:46:14 ... about user input, good to mention that within the architecture diagram 14:46:28 ... very good to describe communication use cases 14:46:42 ... would put that as my action item 14:46:51 q? 14:46:55 action: alexandra to put use input into the architecture diagram 14:46:56 Created ACTION-215 - Put use input into the architecture diagram [on Alexandra Mikityuk - due 2016-03-09]. 14:47:19 agenda? 14:47:31 zakim, take up agendum 3 14:47:32 agendum 3. "Use Cases (Communication)" taken up [from alexandra-mikityuk] 14:47:48 -> https://www.w3.org/2011/webtv/wiki/Main_Page/Cloud_Browser_TF/UseCases Use Case wiki 14:48:29 -> https://www.w3.org/2011/webtv/wiki/Main_Page/Cloud_Browser_TF/UseCases/communication use case (communication) 14:48:56 colin: general use case of input 14:49:00 ... and output 14:49:22 -> https://www.w3.org/2011/webtv/wiki/Main_Page/Cloud_Browser_TF/UseCases/communication#input Input 14:49:38 -> https://www.w3.org/2011/webtv/wiki/Main_Page/Cloud_Browser_TF/UseCases/communication#output Output 14:49:42 colin: is that a correct way? 14:50:03 Q+ 14:50:20 alex: want you to briefly present the use cases 14:50:45 ... let me share the screen 14:51:02 ... (alex shares her screen) 14:51:27 -> https://www.w3.org/2011/webtv/wiki/Main_Page/Cloud_Browser_TF/UseCases Main Use case wiki 14:51:52 alex: there is "communication" section 14:52:06 ... for Use cases for communication 14:52:24 ... signaling, session, video 14:53:15 (alex rejoined) 14:53:36 alex: video and audio 14:54:05 ... user interface, service 14:54:15 ... and security including EME and cloud ca 14:54:26 john: what is "Cloud CA"? 14:54:38 alex: different conditional access 14:55:01 ... on the cloud side 14:55:10 ... there are different systems 14:55:26 ... some of them are downloadable 14:55:34 john: ok 14:55:52 ... struggling to provide comments from accessibility 14:55:53 q? 14:56:07 ... trying get behind the display 14:56:15 ... might want to use different modalities 14:56:29 ... what if you can't use usual pointer devices? 14:56:51 ... happy to provide those kind of use case stories 14:56:54 alex: got it 14:57:07 q+ 14:57:22 ack J 14:57:26 ... where should we put that kind of requirements? 14:57:36 ... interact with our systems 14:57:42 ... accessibility use case? 14:57:52 john: want to be careful 14:58:00 ... you have requirement in US 14:58:12 ... people with disability to access video 14:58:36 ... long-standing policy of all the specs from W3C have accessibility reviews 14:58:53 ... the goal is avoiding accessibility barrier 14:59:08 q+ 14:59:38 ... our plan is working with you from the early stage 14:59:45 Bill_Rose has joined #webtv 15:00:10 ... because you're doing requirements gathering 15:00:25 ... would propose we understand the issues of accessibility as well 15:00:38 ... think me as a resource for accessibility 15:00:54 ... how things interact with people 15:01:02 ... interested in your UA layer 15:01:41 ... but the UI for blind person, etc., may affect additional software 15:02:39 Julian_Sitkevich has joined #webtv 15:02:55 q- 15:02:55 ... from architectural viewpoint, do you have vision on accessibility? 15:03:27 alex: have to read documents you provided 15:03:34 ... accessibility API, etc. 15:03:44 ... don't have answers now 15:03:59 ... we can extend the requirements 15:04:03 [Yosuke: MSE in Video is a bit misleading. MSE also deals with audio and texttracks. EME in Security is also a bit strange. It's all about Content Protection.] 15:04:04 john: happy to contribute 15:04:28 ... shadow DOM provides accessibility support for canvas 15:04:40 ... was sort of background structure 15:04:55 ... has accessibility API to connect to 15:05:05 q? 15:05:12 alex: would put that as well on my action point 15:06:08 q? 15:06:15 kaz: maybe we might want to consider media accessibility requirements as the part of this requirements document 15:06:19 ack k 15:06:19 q? 15:06:24 john: provided some resources 15:06:31 alex: ok 15:06:40 ... would proceed with the Use Case wiki 15:06:57 ... we can add modification to this 15:07:08 ... would like to open up questions 15:07:18 ... you can update the wiki directly 15:07:26 ... or send your comments to the list 15:07:45 colin: the structure is important 15:08:05 ... important to have a couple of use cases 15:08:14 ... would ask you all to put your use cases here 15:08:28 link to my previous email: https://lists.w3.org/Archives/Public/public-web-and-tv/2016Feb/0020.html 15:08:35 ... would be good to have John's accessibility portion too 15:09:21 alex: Harrison, you may have some additions? 15:09:38 harrison: let me add one comment to the terminology 15:10:41 +present 15:10:44 ... identify if the rendering is done whether on the client side or the server side 15:10:49 present+ Julian 15:10:51 alex: tx 15:11:12 harrison: would suggest update the terminology section 15:11:31 ... client-side rendering vs. cloud-side rendering 15:11:48 ... regarding the use cases wiki 15:12:13 ... HbbTV 2.0 started services including two kinds 15:12:28 ... reasonable categories 15:12:44 ... broadcasting-dependent vs. broadcasting-independent 15:12:52 alex: related to service use cases? 15:12:56 harrison: right 15:13:23 alex: what "broadcast" here means? 15:13:26 present+ Bill_Rose 15:13:36 harrison: implies linear video 15:13:50 ... coming through the tuner 15:13:59 ... the browser handles unicasting video 15:14:14 ... but multicasting video is used for TV services 15:14:31 ... linear video vs. multicast video 15:14:56 alex: in this TF, would try browser API 15:15:06 ... not sure about HbbTV approach 15:15:16 ... but good to have that idea as well 15:15:53 ... would add "linear vs multicast" to the terminology 15:16:03 harrison: would try detailed description 15:16:07 alex: great 15:16:20 ... also "client-side vs. cloud-side" as well? 15:16:24 harrison: yes 15:16:41 q? 15:17:03 alex: question to Louay? 15:17:18 ... multi-screen concept for cloud browser? 15:17:29 louay: already had discussion here with my colleagues 15:18:20 ... advantage with cloud browser is that it would be easier to handle multiple screens 15:18:28 ... need capability of discovery 15:18:36 ... on the set-top box 15:18:59 ... by just providing the link to the cloud browser 15:19:24 ... regarding 360-degree video 15:19:45 ... you can use your smartphone to control multiple screens 15:20:20 alex: synchronization locally 15:20:30 ... important for gaming and cloud 360 15:20:45 ... good to have an initial description 15:20:50 allowing a smart phone/device the ability to connect to your cloud browser *might* also help address many, if not all, of your accessibioity concerns as well, as it becomes a physical connection point (that starts out pretty accessible already) 15:20:51 ... so that people can extend it 15:21:14 s/accessibioity/accessibility/ 15:22:16 louay: we identify new requirements for cloud browser 15:22:49 alex: as I proposed last time, during this week would have input for the architecture and use cases 15:22:55 Q+ 15:23:05 ... we got several action points during this call too 15:23:09 q? 15:23:22 ... we continue to work with the terminology section as well 15:23:35 q? 15:23:37 ack j 15:23:39 https://www.w3.org/2011/webtv/wiki/Main_Page/Cloud_Browser_TF/Architecture#Terminology 15:23:49 john: made a slight change to the wiki 15:24:30 ... put a table with 3 columns, Term, Definition and Also known as 15:24:38 nilo: would make contribution 15:24:51 ... might want to change the first column, Term, itself, though 15:25:24 q? 15:25:36 kaz: we can start with putting our own ideas to the "Also Known As" field :) 15:25:51 alex: please put your name to the TF participants wiki 15:26:13 q? 15:26:26 ... if you don't have any questions, additions or comments, we are done today 15:27:07 ... next call in 2 weeks on March 16th. 15:27:09 [ adjourned ] 15:27:37 rrsagent, draft minutes 15:27:37 I have made the request to generate http://www.w3.org/2016/03/02-webtv-minutes.html kaz 16:22:54 JF has left #webtv