IRC log of webtv on 2011-08-25

Timestamps are in UTC.

15:02:10 [RRSAgent]
RRSAgent has joined #webtv
15:02:10 [RRSAgent]
logging to http://www.w3.org/2011/08/25-webtv-irc
15:02:12 [Zakim]
+??P18
15:02:26 [kaz]
zakim, ??P18 is Clarke
15:02:36 [Zakim]
+ +1.415.867.aaaa
15:02:42 [Zakim]
+??P29
15:02:48 [Zakim]
+??P33
15:02:54 [Zakim]
+Clarke; got it
15:03:08 [kaz]
zakim, ??P33 is Aizu(?)
15:03:13 [igarashi]
igarashi has joined #webtv
15:03:27 [Zakim]
+??P37
15:03:41 [Zakim]
+Aizu(?); got it
15:03:53 [Zakim]
+Joseph_Scheuhammer
15:03:54 [kaz]
zakim, ??P37 is Russel
15:04:42 [kaz]
zakim, ??P37 is Bob(?)
15:04:44 [Zakim]
+Russel; got it
15:04:53 [kaz]
zakim, who is here?
15:05:03 [giuseppe]
giuseppe has joined #webtv
15:05:14 [Russell_Berkoff]
Russell_Berkoff has joined #webtv
15:05:18 [Zakim]
+??P4
15:05:21 [Zakim]
+??P32
15:05:35 [kaz]
zakim, ??P4 is Giuseppe
15:06:12 [kaz]
zakim, ??P32 is Steven
15:06:14 [Zakim]
I already had ??P37 as Russel, kaz
15:06:19 [Russell_Berkoff]
+Present,Russell_Berkoff
15:06:21 [Zakim]
On the phone I see Kazuyuki, Juhani, davidmays, JanL, Clarke, +1.415.867.aaaa, ??P29, Aizu(?), Russel, Joseph_Scheuhammer, ??P4, ??P32
15:06:42 [kaz]
zakim, ??P33 is Bob
15:06:48 [Zakim]
+Giuseppe; got it
15:06:50 [Zakim]
+ +1.404.499.aabb
15:07:10 [Zakim]
+Steven; got it
15:07:16 [Zakim]
On IRC I see Russell_Berkoff, giuseppe, igarashi, RRSAgent, davidmays, aizu, sGondo, Clarke, JanL, Bob, Juhani, duncanr, kaz, Zakim, trackbot
15:07:33 [kaz]
Duncan_Rowden, Steven_Wright
15:07:35 [Zakim]
I already had ??P33 as Aizu(?), kaz
15:07:44 [kaz]
bob_lund
15:08:05 [kaz]
mark_watson
15:08:41 [Zakim]
+??P42
15:08:51 [aizu]
zakim, ??P42 is me
15:08:54 [Zakim]
+aizu; got it
15:09:06 [kaz]
zakim, aizu(?) is gondo
15:09:08 [Zakim]
+gondo; got it
15:09:16 [Clarke]
agenda: http://www.w3.org/2011/webtv/wiki/MPTF/Agenda_Telco_25th_August_2011
15:09:33 [kaz]
topic: f2f
15:09:50 [kaz]
clarke: anything to add?
15:10:13 [kaz]
... comments on the ML is welcome
15:10:18 [kaz]
agenda: http://lists.w3.org/Archives/Public/public-web-and-tv/2011Aug/0135.html
15:10:37 [kaz]
topic: issue review
15:10:51 [kaz]
clarke: any questions?
15:10:54 [kaz]
(nop)
15:11:01 [kaz]
issue-44?
15:11:01 [trackbot]
ISSUE-44 -- Continuous Streaming by Continuous Playlist -- raised
15:11:01 [trackbot]
http://www.w3.org/2011/webtv/track/issues/44
15:11:18 [Clarke]
issue 44: http://www.w3.org/2011/webtv/wiki/MPTF/MPTF_Discussions/Continuous_Streaming_2'
15:12:09 [Zakim]
+Mark
15:12:21 [kaz]
-> http://www.w3.org/2011/webtv/wiki/MPTF/MPTF_Discussions/Continuous_Streaming_2 issue 44
15:12:35 [mav]
mav has joined #webtv
15:12:36 [kaz]
clarke: any comments?
15:12:45 [kaz]
Mark Vickers joined
15:13:11 [kaz]
clarke: 44 is playlist
15:14:15 [kaz]
action: clarke to change the title of issue-44 from "continuous streaming 2" to "playlist"
15:14:15 [trackbot]
Created ACTION-73 - Change the title of issue-44 from "continuous streaming 2" to "playlist" [on Clarke Stevens - due 2011-09-01].
15:14:52 [kaz]
bob: live streaming is supported by HTML5
15:15:39 [kaz]
... I'll add dependency
15:16:22 [kaz]
issue-45?
15:16:22 [trackbot]
ISSUE-45 -- Time Synchronization (continuous stream) -- raised
15:16:22 [trackbot]
http://www.w3.org/2011/webtv/track/issues/45
15:16:30 [kaz]
clarke: time synchronization
15:17:14 [kaz]
... not sure a use case for MPTF
15:17:22 [kaz]
-> http://www.w3.org/2011/webtv/wiki/MPTF/MPTF_Discussions/Time_Synchronization issue-45
15:17:35 [kaz]
issue-46?
15:17:35 [trackbot]
ISSUE-46 -- Program Boundary Identification in Continuous Streams -- raised
15:17:35 [trackbot]
http://www.w3.org/2011/webtv/track/issues/46
15:17:42 [kaz]
clarke: program boundary
15:18:04 [kaz]
-> http://www.w3.org/2011/webtv/wiki/MPTF/MPTF_Discussions/Program_Boundary issue-46
15:18:21 [kaz]
clarke: comments/additions?
15:18:52 [kaz]
bob: pointed out last week is timed text track mechanism
15:19:10 [kaz]
clarke: will add a note
15:19:20 [kaz]
... any other comments?
15:19:22 [kaz]
(nop)
15:19:33 [kaz]
s/issue 44/issue-44/
15:19:47 [igarashi]
igarashi has joined #webtv
15:19:56 [kaz]
issue-37?
15:19:56 [trackbot]
ISSUE-37 -- View-Port support for Video Window -- raised
15:19:56 [trackbot]
http://www.w3.org/2011/webtv/track/issues/37
15:20:03 [Clarke]
http://www.w3.org/2011/webtv/wiki/MPTF/MPTF_Discussions/ViewPort-Support
15:20:12 [kaz]
s/http/-> http/
15:20:24 [kaz]
s/Support/Support issue-37/
15:20:27 [Zakim]
+??P7
15:20:34 [kaz]
clarke: are we ready to accept this?
15:21:11 [igarashi]
zakim p7 is igarashi
15:21:21 [kaz]
zakim, ??P7 is igarashi
15:21:21 [Zakim]
+igarashi; got it
15:21:40 [kaz]
clarke: couple ways for us to consider this
15:21:50 [kaz]
... suggest we go ahead and accept this
15:21:58 [kaz]
... any comments?
15:22:01 [kaz]
(nop)
15:22:14 [kaz]
RESOLUTION: accept issue-37
15:22:31 [kaz]
issue-45?
15:22:31 [trackbot]
ISSUE-45 -- Time Synchronization (continuous stream) -- raised
15:22:31 [trackbot]
http://www.w3.org/2011/webtv/track/issues/45
15:23:02 [Zakim]
- +1.415.867.aaaa
15:23:25 [Zakim]
+ +1.415.867.aacc
15:23:53 [kaz]
jan: would remove "This is not yet a real use case." :)
15:24:11 [kaz]
-> http://www.w3.org/2011/webtv/wiki/MPTF/MPTF_Discussions/Time_Synchronization issue-45
15:24:24 [kaz]
jan: not sure how to phrase this
15:24:58 [kaz]
... in a continuous stream what is the semantics of video tags
15:25:47 [kaz]
... text under bullet "1" is good description
15:26:05 [kaz]
clarke: ok
15:26:27 [kaz]
... next is content protection (issue-39)
15:26:33 [kaz]
issue-39?
15:26:33 [trackbot]
ISSUE-39 -- TV Services and Media Transport Mapping -- raised
15:26:33 [trackbot]
http://www.w3.org/2011/webtv/track/issues/39
15:26:35 [Clarke]
Issue: http://www.w3.org/2011/webtv/wiki/MPTF/MPTF_Discussions/TV_services_transport_mapping
15:26:36 [trackbot]
Created ISSUE-47 - Http://www.w3.org/2011/webtv/wiki/MPTF/MPTF_Discussions/TV_services_transport_mapping ; please complete additional details at http://www.w3.org/2011/webtv/track/issues/47/edit .
15:27:00 [kaz]
-> http://www.w3.org/2011/webtv/wiki/MPTF/MPTF_Discussions/TV_services_transport_mapping issue-39
15:27:19 [kaz]
bob: how UAs identify audio tracks
15:27:50 [kaz]
... type of media stream, e.g., MPEG2 TS, MPEG4 ISOBMFF, DASH
15:28:03 [kaz]
... DOM API specified
15:28:55 [kaz]
... the use case is in-band track types
15:29:27 [kaz]
... will update the use case
15:29:39 [kaz]
clarke: topic for f2f
15:29:40 [Zakim]
-Mark
15:29:56 [kaz]
bob: will commit before the f2f
15:30:04 [kaz]
clarke: any other comments?
15:30:08 [kaz]
(nop)
15:30:13 [kaz]
jan: 45 is updated
15:30:17 [Zakim]
+Mark
15:30:27 [kaz]
issue-40
15:30:29 [kaz]
issue-40?
15:30:29 [trackbot]
ISSUE-40 -- Content delivery in distribution windows -- raised
15:30:29 [trackbot]
http://www.w3.org/2011/webtv/track/issues/40
15:30:43 [kaz]
-> http://www.w3.org/2011/webtv/wiki/MPTF/MPTF_Discussions/Delivery_in_distribution_windows issue-40
15:30:50 [kaz]
bob: content protection discussion
15:30:58 [kaz]
... more objective space
15:31:38 [kaz]
... from Cable industry perspective, content owners are going to require for content protection
15:31:47 [kaz]
... delivery windows
15:32:04 [kaz]
... use case is commercial content delivery
15:32:36 [kaz]
clarke: just on definition
15:32:54 [kaz]
bob: traditional definition
15:33:22 [kaz]
... could be captured within some of the other my use cases
15:34:56 [kaz]
jan: distribution window is DRM perspective
15:35:34 [kaz]
bob: motivation here is content owner has demand
15:36:00 [kaz]
clarke: a specific Web page linked to DRM?
15:36:23 [kaz]
q+
15:36:46 [kaz]
bob: number of implication I have to address
15:36:56 [kaz]
... how HTML5 UA should support this
15:37:16 [Zakim]
-Juhani
15:37:31 [kaz]
... business/commercial need should be addressed
15:37:50 [Zakim]
+??P21
15:38:39 [kaz]
kaz: good topic for workshop as well
15:38:55 [kaz]
clarke: bob submitted this topic to the workshp
15:39:02 [kaz]
bob: my paper covers this
15:39:16 [Juhani]
q+
15:39:28 [kaz]
kaz: will talk with the PC guys and suggest we talk about this during the ws
15:39:31 [kaz]
ack k
15:39:51 [kaz]
ack j
15:40:11 [kaz]
juhani: question about issue-40, etc.
15:40:16 [kaz]
... what to standardize?
15:40:41 [kaz]
... interested in common security technical requirement
15:40:52 [kaz]
s/common/content/
15:41:14 [kaz]
bob: will put that into the use case
15:41:26 [kaz]
... also mention what needs to be standardized
15:41:30 [kaz]
juhani: ok
15:41:37 [kaz]
issue-41?
15:41:37 [trackbot]
ISSUE-41 -- Support of Content Owner Property Rights -- raised
15:41:37 [trackbot]
http://www.w3.org/2011/webtv/track/issues/41
15:41:49 [kaz]
-> http://www.w3.org/2011/webtv/wiki/MPTF/MPTF_Discussions/Content_owner_rights issue-41
15:42:02 [kaz]
bob: required by UltraViolet or DECE
15:42:18 [kaz]
... DECE has specific technical requirements
15:42:33 [kaz]
... consumer contents
15:42:48 [JanL]
+q
15:42:52 [kaz]
... we'd like to cover DECE's requirements
15:43:21 [kaz]
clarke: ok
15:43:28 [kaz]
ack j
15:43:30 [JanL]
-q
15:43:44 [kaz]
jan: the link in the use case is broken
15:43:55 [kaz]
... "Common content security technical requirements."
15:44:08 [Zakim]
-Mark
15:44:48 [kaz]
igarashi: my assumption is HTML just render
15:45:09 [Clarke]
Here's a link to the common content protection requirements: http://www.w3.org/2011/webtv/wiki/MPTF/MPTF_Discussions/Delivery_in_distribution_windows/Common_content_secuirty_requirements
15:45:20 [kaz]
... no consideration on this kind of offline processing?
15:45:26 [kaz]
bob: good point
15:45:57 [kaz]
... the case of downloading content case
15:46:42 [kaz]
... streaming is most relevant for HTML5
15:46:51 [Zakim]
- +1.415.867.aacc
15:47:15 [Zakim]
+ +1.415.867.aadd
15:47:26 [kaz]
... good observation to think about both streaming and downloading
15:47:33 [kaz]
igarashi: good to see both the cases
15:47:43 [kaz]
... there are technical differences
15:47:46 [kaz]
bob: agree
15:48:41 [kaz]
clarke: the correct URL for the broken link of "Common content security technical requirements." is http://www.w3.org/2011/webtv/wiki/MPTF/MPTF_Discussions/Delivery_in_distribution_windows/Common_content_secuirty_requirements
15:49:07 [kaz]
issue-42?
15:49:07 [trackbot]
ISSUE-42 -- Content delivery to personal computers -- raised
15:49:07 [trackbot]
http://www.w3.org/2011/webtv/track/issues/42
15:49:15 [kaz]
-> http://www.w3.org/2011/webtv/wiki/MPTF/MPTF_Discussions/Delivery_to_pc issue-42
15:49:33 [Zakim]
- +1.415.867.aadd
15:49:48 [kaz]
bob: both aspects are important
15:49:58 [Zakim]
+ +1.415.867.aaee
15:50:01 [kaz]
... An off-the-shelf browser such as Chrome, Firefox, Internet Explorer, Opera or Safari.
15:50:10 [kaz]
... and An application incorporating a browser downloaded from a service provider.
15:50:13 [kaz]
issue-43?
15:50:13 [trackbot]
ISSUE-43 -- Content delivery to retail consumer electronics devices -- raised
15:50:13 [trackbot]
http://www.w3.org/2011/webtv/track/issues/43
15:50:28 [kaz]
-> http://www.w3.org/2011/webtv/wiki/MPTF/MPTF_Discussions/Delivery_to_ce issue-43
15:50:50 [kaz]
bob: retail consumer electronics device with an embedded application
15:51:01 [kaz]
... more specialized
15:51:03 [Clarke]
zakim, who is making noise?
15:51:15 [Zakim]
Clarke, listening for 11 seconds I heard sound from the following: Russel (50%), Joseph_Scheuhammer (36%)
15:51:22 [kaz]
zakim, mute Joseph
15:51:22 [Zakim]
Joseph_Scheuhammer should now be muted
15:53:07 [Zakim]
+Juhani
15:53:23 [kaz]
bob: (explains motivation)
15:53:43 [kaz]
zakim, who is speaking?
15:53:53 [Zakim]
kaz, listening for 10 seconds I heard sound from the following: Juhani (19%), davidmays (80%)
15:54:39 [kaz]
davidmays: (sorry missed)
15:55:07 [kaz]
bob: 1st one is general web delivery
15:55:30 [kaz]
... then content protection
15:55:38 [Zakim]
-??P21
15:55:42 [kaz]
... content protection is good or bad
15:55:52 [davidmays]
HTML5 UA should identify what content protection capabilities they have so that applications can present appropriate content based on that level of protection capability
15:56:21 [kaz]
s/(sorry missed)/HTML5 UA should identify what content protection capabilities they have so that applications can present appropriate content based on that level of protection capability/
15:58:18 [kaz]
giuseppe: what if browsers are not shipped with DRM capability?
15:59:18 [kaz]
juhani: I'm for the requirements
15:59:26 [kaz]
... DRM support should be useful
15:59:49 [kaz]
... how to solve this problem should be defined
16:00:32 [kaz]
bob: plugins can be used by UAs for that purpose
16:00:48 [kaz]
... however, there is a link
16:01:16 [kaz]
zakim, who is here?
16:01:16 [Zakim]
On the phone I see Kazuyuki, davidmays, JanL, Clarke, ??P29, gondo, Russel, Joseph_Scheuhammer (muted), Giuseppe, Steven, +1.404.499.aabb, aizu, igarashi, +1.415.867.aaee, Juhani
16:01:20 [Zakim]
On IRC I see igarashi, mav, Russell_Berkoff, giuseppe, RRSAgent, aizu, sGondo, Clarke, Bob, duncanr, kaz, Zakim, trackbot
16:01:43 [giuseppe]
kaz is mark watson
16:02:17 [kaz]
giuseppe: plugin for DRM is wrong point to start...
16:02:32 [kaz]
... do you need fall-back mechanism?
16:03:01 [kaz]
... video element itself is not aware if plugins handle it
16:03:27 [kaz]
bob: we use video element for content protection
16:03:41 [kaz]
... existing video tag provides the capability
16:03:43 [davidmays]
davidmays has joined #webtv
16:04:12 [kaz]
giuseppe: video tag itself handles rendering, not necessarily aware of content protection
16:04:59 [kaz]
jan: how do we recommend extending video tag's capability itself
16:05:04 [kaz]
... good topic for the workshop
16:05:57 [kaz]
giuseppe: if you want to standardize, need to consider who does what
16:06:08 [Zakim]
-davidmays
16:06:08 [Zakim]
- +1.404.499.aabb
16:06:09 [Zakim]
- +1.415.867.aaee
16:06:09 [Zakim]
-Juhani
16:06:10 [Zakim]
-aizu
16:06:10 [Zakim]
-Clarke
16:06:11 [kaz]
clarke: we'll continue the discussion next week
16:06:12 [Zakim]
-Joseph_Scheuhammer
16:06:14 [Zakim]
-JanL
16:06:15 [Clarke]
thanks, kaz
16:06:18 [Zakim]
-??P29
16:06:20 [Zakim]
-gondo
16:06:22 [Zakim]
-Kazuyuki
16:06:24 [Zakim]
-igarashi
16:06:25 [kaz]
thanks, Clarke!
16:06:26 [aizu]
aizu has left #webtv
16:06:29 [Clarke]
-Clarke
16:06:31 [Russell_Berkoff]
thanks
16:06:41 [giuseppe]
giuseppe has left #webtv
16:06:44 [RRSAgent]
I have made the request to generate http://www.w3.org/2011/08/25-webtv-minutes.html kaz
16:06:48 [Zakim]
-Russel
16:06:52 [duncanr]
duncanr has left #webtv
16:07:21 [kaz]
zakim, who is here?
16:07:21 [Zakim]
On the phone I see Giuseppe, Steven
16:07:22 [Zakim]
On IRC I see mav, RRSAgent, Clarke, Bob, kaz, Zakim, trackbot
16:17:38 [kaz]
zakim, who is here?
16:17:38 [Zakim]
On the phone I see Giuseppe, Steven
16:17:39 [Zakim]
On IRC I see mav, RRSAgent, Clarke, Bob, kaz, Zakim, trackbot
16:18:03 [kaz]
zakim, call kazuyuki-617
16:18:03 [Zakim]
ok, kaz; the call is being made
16:18:05 [Zakim]
+Kazuyuki
16:18:31 [kaz]
zakim, drop Giuseppe
16:18:31 [Zakim]
Giuseppe is being disconnected
16:18:33 [Zakim]
-Giuseppe
16:18:38 [kaz]
zakim, drop Steven
16:18:38 [Zakim]
Steven is being disconnected
16:18:40 [Zakim]
-Steven
16:18:44 [Zakim]
-Kazuyuki
16:18:45 [Zakim]
UW_WebTVIG()11:00AM has ended
16:18:46 [Zakim]
Attendees were Kazuyuki, Juhani, davidmays, JanL, +1.415.867.aaaa, Clarke, Joseph_Scheuhammer, Russel, Giuseppe, +1.404.499.aabb, Steven, aizu, gondo, Mark, igarashi,
16:18:48 [Zakim]
... +1.415.867.aacc, +1.415.867.aadd, +1.415.867.aaee
16:18:48 [kaz]
Present: Kazuyuki, davidmays JanL, Clarke, Bob, gondo, Russell, duncanr, Giuseppe, Steven, Mark_Vickers, aizu, igarashi, Mark_Watson, Juhani
16:18:53 [RRSAgent]
I have made the request to generate http://www.w3.org/2011/08/25-webtv-minutes.html kaz
16:19:19 [kaz]
Meeting: Media Pipeline Task Force Teleconference
16:19:22 [RRSAgent]
I have made the request to generate http://www.w3.org/2011/08/25-webtv-minutes.html kaz
16:19:35 [kaz]
Chair: Clarke
16:19:36 [RRSAgent]
I have made the request to generate http://www.w3.org/2011/08/25-webtv-minutes.html kaz
19:00:21 [Zakim]
Zakim has left #webtv