{agenda} HTML WG media telecon 2014-05-06 - MSE and EME status and bug discussion

The HTML WG media teleconference meeting will occur on 2014-05-06 for up to 60 minutes from 15:00Z to 16:00Z.



http://timeanddate.com/s/2pbt



Tokyo midnight, Amsterdam/Oslo 17:00, London/Dublin 16:00, New Jersey/York 11:00, Kansas City 10:00, Seattle/San Francisco 08:00.



Chair of the meeting: Paul Cotton

Scribe: TBD



(See the end of this email for dial-in and IRC info.)



== Agenda ==



1. Roll call, introductions and selection of scribe



2. Previous meeting minutes

F2F minutes:
http://www.w3.org/2014/04/08-html-wg-minutes.html
http://www.w3.org/2014/04/09-html-wg-minutes.html
F2F Media Task Force breakout session:
http://lists.w3.org/Archives/Public/public-html-media/2014Apr/0067.html


3. Review of action items and issues

https://www.w3.org/html/wg/media/track/



4. MSE status and bugs



a) Media Source Extensions editor's draft

 https://dvcs.w3.org/hg/html-media/raw-file/tip/media-source/media-source.html

Last updated on Apr 29:

http://lists.w3.org/Archives/Public/public-html-media/2014Apr/0101.html



b) Media Source Extensions bugs:

http://tinyurl.com/kfeptqy

Status as of May 5: 2 bugs (see below)



c) Bug 24370 - [MSE] partial interface TextTrack violates WebIDL?

https://www.w3.org/Bugs/Public/show_bug.cgi?id=24370



i) [MSE] Alternate proposal for resolving Bug 24370

http://lists.w3.org/Archives/Public/public-html-media/2014Apr/0087.html



ii) ACTION-65: Make sure html5 bugs filed for item #3 related to MSE

https://www.w3.org/html/wg/media/track/actions/65

[MSE] Summary of "Resolving Bug 24370" thread and proposed next steps

http://lists.w3.org/Archives/Public/public-html-media/2014Apr/0043.html



d) Bug 25518 - Change SourceBuffer.remove() end parameter to unrestricted double

https://www.w3.org/Bugs/Public/show_bug.cgi?id=25518



e) MPEG audio byte stream format spec

https://dvcs.w3.org/hg/html-media/raw-file/default/media-source/mpeg-audio-byte-stream-format.html

Review by Jerry:

http://lists.w3.org/Archives/Public/public-html-media/2014Apr/0079.html

Aaron's response:

http://lists.w3.org/Archives/Public/public-html-media/2014Apr/0084.html

http://lists.w3.org/Archives/Public/public-html-media/2014Apr/0085.html

Jerry's agreement:

http://lists.w3.org/Archives/Public/public-html-media/2014May/0000.html

Status:  Next step?



5. MSE CR tests



a) Need reviewer for MSE tests

http://lists.w3.org/Archives/Public/public-html-media/2014Apr/0081.html



b) [MSE] Blink MSE tests submitted to web-platform-test project, Aaron

http://lists.w3.org/Archives/Public/public-html-media/2014Mar/0022.html

ACTION-64: Review at the MSE test suite comments in https://critic.hoppipolla.co.uk/r/951

https://www.w3.org/html/wg/media/track/actions/64



6. EME status and bugs



a) Encrypted Media Extensions editor's draft

 http://dvcs.w3.org/hg/html-media/raw-file/tip/encrypted-media/encrypted-media.html

Last updated on May 5.



b) Encrypted Media Extensions bugs:

http://tinyurl.com/7tfambo

Status as of May 5: 24 bugs



5. NEW and Reopened EME bugs since the last meeting



a) [NEW] Bug 25536 - Make persisted session removal more explicit

https://www.w3.org/Bugs/Public/show_bug.cgi?id=25536



b) [NEW] Bug 25537 - Expose expiration information to the application

https://www.w3.org/Bugs/Public/show_bug.cgi?id=25537



c) [NEW] Bug 25506 - Convert EME spec to use ReSpec

https://www.w3.org/Bugs/Public/show_bug.cgi?id=25506



d) Bug 25434 - Remove unsupported informative text in Abstract regarding OOB communication.

https://www.w3.org/Bugs/Public/show_bug.cgi?id=25434

Status: Reopened.



e) Bug 25385 - clear key cannot provide basic protection, why not considering web cryptography API

https://www.w3.org/Bugs/Public/show_bug.cgi?id=25385

Status: Reopened.



f) Bug 25409 - Allow applications to detect whether a key is usable before using it to decrypt content

https://www.w3.org/Bugs/Public/show_bug.cgi?id=25409

Status: Resolved fixed.



6. EME use of Promises



a) Bug 25199 - EME should use Promises

https://www.w3.org/Bugs/Public/show_bug.cgi?id=25199

Status: Blocks: 17750 21798 24081 24216 24771

See implementation information:

http://lists.w3.org/Archives/Public/public-html-media/2014Apr/0068.html

Jerry's question:

http://lists.w3.org/Archives/Public/public-html-media/2014May/0002.html



b) Bug 17750 - Define the behavior MediaKeySession close() and clearing the keys attribute

https://www.w3.org/Bugs/Public/show_bug.cgi?id=17750

See recent response from Adrian since Feb 18 meeting:

https://www.w3.org/Bugs/Public/show_bug.cgi?id=17750#c26

Mar 4: Adrian agreed to implement this change.  Depends on 25199.



c) Bug 21798 - Revisit MediaKeyError codes

https://www.w3.org/Bugs/Public/show_bug.cgi?id=21798

Status from Mar 4: David said he would make a proposal. Depends on 21599



d) Bug 24081 - The READY state is too limiting and should be more like the PENDING state

https://www.w3.org/Bugs/Public/show_bug.cgi?id=24081

Next action: TF to discuss David's proposal (Microsoft is supportive)

Status from Jan 28 meeting: David to implement his proposal. Depends on 21599.



e) Bug 24216 - setMediaKeys() needs more specification

https://www.w3.org/Bugs/Public/show_bug.cgi?id=24216

David agreed to develop a proposal:

https://www.w3.org/Bugs/Public/show_bug.cgi?id=24216#c2

Status: Depends on 21599.



f) Bug 24771 - Provide guidance on object and CDM lifetime (including when events are guaranteed to be fired)

https://www.w3.org/Bugs/Public/show_bug.cgi?id=24771

Status from Mar 18: Microsoft will review and enter their position.  Depends on 25199.



7. Any other business



8. Chair and Scribe for next meeting



9. Adjournment



== Dial-in and IRC Details ==



Zakim teleconference bridge:

   +1.617.761.6200, conference 63342 ("media")

https://www.w3.org/Guide/1998/08/teleconference-calendar#s_5366



Supplementary IRC chat (logged):

   #html-media on irc.w3.org port 6665 or port 80 Paul Cotton, Microsoft Canada

17 Eleanor Drive, Ottawa, Ontario K2E 6A3

Tel: (425) 705-9596 Fax: (425) 936-7329

Paul Cotton, Microsoft Canada
17 Eleanor Drive, Ottawa, Ontario K2E 6A3
Tel: (425) 705-9596 Fax: (425) 936-7329