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01:43:43 <wseltzer> rrsagent, make logs public
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04:35:21 <xueyuan> Zakim, this Bullet Chatting - TPAC 2019 Breakout Session
04:35:21 <Zakim> I don't understand you, xueyuan
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04:35:44 <xueyuan> rrsagent, make log public
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04:37:48 <nigel> Meeting: Bullet Chatting - TPAC 2019 Breakout Session
04:37:58 <Chunming> Chunming has joined #bulletchat
04:38:01 <nigel> Present+ Nigel_Megitt
04:38:15 <Chunming> present+
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04:42:35 <Chunming> https://github.com/w3c/danmaku
04:43:35 <xfq> scribenick: xfq
04:44:00 <xfq> [demo of game broadcasting with bullet chatting]
04:44:11 <xfq> song: @@
04:44:27 <xfq> [expalining the allowOverlap attribute]
04:44:35 <xfq> s/expalining/explaining/
04:44:54 <xfq> [explaining the bulletchat element]
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04:46:12 <xfq> song: we have several demos
04:46:14 <xfq> https://github.com/w3c/danmaku#demos
04:46:25 <xfq> [presenting the simple-demo]
04:46:54 <xfq> song: we can change the color, the font size
04:47:11 <xfq> ... put it at bottom
04:47:11 <xfq> ...  or top
04:47:56 <xfq> [presenting the bulletchatting-proposal-demo]
04:47:56 <xfq> song: this demo implements the proposal
04:48:30 <xfq> ... you can put the content of the bullet chatting in 'innerHTML'
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04:49:12 <xfq> ... you can change the duration, the delay etc. of the bullet chatting
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04:50:15 <xfq> ... you can change the area too
04:50:52 <xfq> ... the demo is implemneting the API in the proposal
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04:55:28 <xfq> [debugging the projector]
04:55:28 <xfq> michael: @@
04:55:28 <xfq> ... we're fortunately to be invited by Mr. Song to this breakout session
04:55:28 <xfq> ... Japanese companies are also interested in this area
04:55:28 <xfq> [debugging the projector again]
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04:56:29 <xfq> michael: we're dwango
04:56:30 <xfq> ... 10m monthly active users
04:56:30 <xfq> [showing a demo of a video on niconico]
04:57:16 <xfq> michael: users can even create artwork using comments
04:57:16 <xfq> [showing a demo image of artwork]
04:57:16 <xfq> michael: this is part of our culture
04:57:18 <Chunming> q?
04:58:21 <xfq> plh: there was a demo that a dancer is dancing and masked
04:58:21 <xfq> https://w3c.github.io/danmaku/index_en.html#masking
04:59:22 <xfq> song: we listed it as an use cases, but not in the technical proposal
04:59:22 <xfq> ... it's mostly server-side computation
04:59:49 <xfq> nigel: a11y @@
04:59:50 <xfq> michael: we're currently not working on it, @@
05:00:42 <nigel> s/ally @@/How do you make this accessible? How do you meet the needs of users who cannot read the text?
05:00:56 <nigel> s|s/ally @@/How do you make this accessible? How do you meet the needs of users who cannot read the text?||
05:01:03 <nigel> s/a11y @@/How do you make this accessible? How do you meet the needs of users who cannot read the text?
05:01:36 <xfq> song: we considered using WebVTT when designing bullet chatting, but there are several differences
05:01:36 <xfq> ... the bullet chatting is not necessarily connected with videos
05:02:00 <xfq> ... e.g., the Interactive wall use case: https://w3c.github.io/danmaku/index_en.html#interactive-wall
05:02:38 <xfq> michael: yes, we have similar services in niconico systems as well
05:02:48 <xfq> s/niconico/niconico's/
05:03:41 <xfq> chris: @@ comment sync with video playback
05:04:06 <xfq> ... some people may want to watch video slower and see the comments slower
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05:05:33 <xfq> nigel: i didn't see sync of media events in the proposal
05:05:33 <xfq> ... do you have these in other documents
05:05:33 <xfq> song: currently not
05:05:33 <xfq> ... but it sounds interesting
05:05:33 <xfq> ... we'll develop one
05:05:56 <nigel> s/other documents/other documents such as a requirements document
05:06:40 <plh> plh has joined #bulletchat
05:06:40 <xfq> michael: for dwango we currently don't have specific opinions on how this is standardized
05:06:40 <xfq> ... we're interested in participating in the future
05:06:40 <xfq> ... currently it's developeed in the chinese ig
05:08:33 <xfq> nigel: your overall goal here is to have a format for sending danmaku to the server, but you're ok with whatever the final format is?
05:08:33 <xfq> xiaoqian: i think that's the consensus of editors from  chinese ig, not sure about our new participants from japan
05:08:43 <xfq> michael: @@
05:09:17 <nigel> s/to the server/to the player
05:09:49 <xfq> plh: immersive use cases?
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05:11:14 <plh> (Benjamin De Kosnik)
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05:11:39 <xfq> Benjamin: @@ multiple rendering of bullet chatting
05:11:39 <xfq> song: in the demo, you can try changing the allowOverlap attribute
05:11:39 <xfq> ...
05:12:04 <xfq> Benjamin: another question
05:12:04 <xfq> ... how much exploration is still going on in this area?
05:13:30 <xfq> song: the implementation is already ready in the market
05:13:31 <xfq> ... the standardization depends on process and other factors, like new scenes (VR/AR etc.)
05:13:38 <kaz> rrsagent, draft minutes
05:13:38 <RRSAgent> I have made the request to generate https://www.w3.org/2019/09/18-bulletchat-minutes.html kaz
05:13:52 <xfq> nigel: how do captions/subtitles and bulelt chatting interact?
05:14:42 <xfq> michael: we currently don't have a CC system in our player
05:14:42 <xfq> ...  but if we develop one, it will be a completely different system
05:14:56 <xfq> ... they won't probably interact
05:15:34 <kaz> rrsagent, make log public
05:15:35 <kaz> rrsagent, draft minutes
05:15:35 <RRSAgent> I have made the request to generate https://www.w3.org/2019/09/18-bulletchat-minutes.html kaz
05:16:12 <xfq> michael: this might be worth mentioning
05:16:12 <xfq> ... some users use our comment system (bullet chatting) soemwhat as subtitles
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05:16:52 <kaz> present+ Kaz_Ashimura
05:17:48 <xfq> nigel: @@ standardization
05:17:48 <xfq> ... before the playback, or real-time?
05:18:59 <xfq> michael: in our impl, when live streaming it's real time
05:18:59 <xfq> ...  in videos and videos on-demand, it's @@
05:18:59 <xfq> nigel: do you have a delivery model in mind?
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05:20:40 <xfq> kaz: the system includes two network models
05:20:40 <xfq> ... one (video) through http interface
05:20:40 <xfq> ... the live service uses websocket connection
05:21:10 <xfq> plh: webrtc is also interesting
05:21:11 <xfq> ... it's useful for real-time text as well
05:21:22 <kaz> q+
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05:21:40 <nigel> s/@@ standardization/Are you looking to standardise delivery of this
05:22:20 <xfq> plh: webrtc WG mentioned that the US has requirements for transferring real-time text when using webrtc as well
05:22:31 <kaz> s/websocket connection/websocket connection. they're still wondering which part should be standardized within W3C./
05:22:50 <xfq> ack kaz
05:23:10 <plh> present+
05:23:12 <xfq> present+
05:23:17 <xfq> present+ song
05:23:20 <lilin> present+
05:23:21 <xiaoqian> present+
05:23:51 <kaz> present+ and_more
05:23:59 <kaz> rrsagent, draft minutes
05:23:59 <RRSAgent> I have made the request to generate https://www.w3.org/2019/09/18-bulletchat-minutes.html kaz
05:24:37 <xfq> chair: Song_Xu
05:24:44 <xfq> rrsagent, draft minutes
05:24:44 <RRSAgent> I have made the request to generate https://www.w3.org/2019/09/18-bulletchat-minutes.html xfq
05:26:14 <kaz> kaz: comment related to plh's comment. when I talked with the Dwango guys, I also mentioned the possibility of extending their bullet chat mechanism for immersive 360 video, and WebRTC (and location/direction information) would be useful for that purpose. would continue to talk with them.
05:26:16 <kaz> rrsagent, draft minutes
05:26:16 <RRSAgent> I have made the request to generate https://www.w3.org/2019/09/18-bulletchat-minutes.html kaz
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