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{agenda} HTML WG media telecon 2014-02-18 - EME bug discussion

From: Paul Cotton <Paul.Cotton@microsoft.com>
Date: Mon, 17 Feb 2014 14:50:14 +0000
To: "public-html-media@w3.org" <public-html-media@w3.org>
Message-ID: <ce03251b8f8749dba8539c4caba680da@BL2PR03MB418.namprd03.prod.outlook.com>
The HTML WG media teleconference meeting will occur on 2014-02-18 for up to 60 minutes from 15:00Z to 16:00Z.
 
http://timeanddate.com/s/2j9n   
 
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
Jan 28: http://www.w3.org/2014/01/28-html-media-minutes.html 
Feb 4: http://www.w3.org/2014/02/04-html-media-minutes.html 
 
 3. Review of action items and issues
https://www.w3.org/html/wg/media/track/ 

a) ACTION-61: Work with wendy to make sure we get a security review [ Paul ]
https://www.w3.org/html/wg/media/track/actions/61
Status: Paul reached out to Wendy again on Jan 23:
http://lists.w3.org/Archives/Public/public-html-media/2014Jan/0056.html

b) ACTION-62: Report back about the plan for 20944 due 2013-12-15 [ Paul ]
https://www.w3.org/html/wg/media/track/actions/62
Status: No action yet but see developments on 20944:
https://www.w3.org/Bugs/Public/show_bug.cgi?id=20944#c34
and subsequent replies.

4. 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 Feb 3.

b) Encrypted Media Extensions bugs: 
http://tinyurl.com/7tfambo 
Status as of Feb 17: 23 bugs

c) EME heartbeat publication WG Decision
http://lists.w3.org/Archives/Public/public-html-admin/2014Feb/0035.html 
Status: Publication is on Tue Feb 18.

5. EME bug status
Note: Based on Adrian's bug status email:
http://lists.w3.org/Archives/Public/public-html-media/2014Jan/0062.html
I have annotated each item with the status from the last meeting on Feb 4.

a) Bug 17202 - Explicitly document how keys are to be shared
https://www.w3.org/Bugs/Public/show_bug.cgi?id=17202
Next action: David to make changes in comment 3
Status: Not yet implemented.

b) Bug 17673 - Define Initialization Data for implementations that choose to support the ISO Base Media File Format
https://www.w3.org/Bugs/Public/show_bug.cgi?id=17673
Next action: TF to discuss David's proposal that Microsoft supports to change the string associated with needkey/createSession Status from Jan 28 meeting:
- Item for David to split off is about whether isTypeSupported is insufficient
- Item for Adrian is to ask David Singer to review https://www.w3.org/Bugs/Public/show_bug.cgi?id=17673#c38 
Feb 4: David said he will implement the change and get in touch with David Singer.

c) Bug 17682 - Clear Key: Document how keys and key IDs are associated
https://www.w3.org/Bugs/Public/show_bug.cgi?id=17682
Next action: David to add note.
Status: Not yet implemented.

d) Bug 17750 - Define the behavior MediaKeySession close() and clearing the keys attribute
https://www.w3.org/Bugs/Public/show_bug.cgi?id=17750
Next action: needs discussion about task handling
Feb 4: Adrian said he would look at this bug.

e) Bug 18515 - Provide more details on behavior of the media element when the key for an encrypted block is not available
https://www.w3.org/Bugs/Public/show_bug.cgi?id=18515
Status from Jan 28 meeting: Jerry to ask an Editor to implement.

f) Bug 20944 - EME should do more to encourage/ensure CDM-level interop
https://www.w3.org/Bugs/Public/show_bug.cgi?id=20944   
Next action: ACTION-62 on Paul

g) Bug 21798 - Revisit MediaKeyError codes
https://www.w3.org/Bugs/Public/show_bug.cgi?id=21798
Status from Jan 28 meeting: Error codes and constants removed. New error names need to be proposed and added.
Feb 4: David said he would go through whole thread and generate a response.

h) Bug 23619 - Change MediaKeyError to extend DOMError and use strings for error names
https://www.w3.org/Bugs/Public/show_bug.cgi?id=23619
Status from Jan 28 meeting: Adrian wanted more time to consider David's proposal in:
https://www.w3.org/Bugs/Public/show_bug.cgi?id=23619#c9 
Feb 4: Adrian to discuss this bug with Travis.

i) Bug 23827 - Need to add features at risk prior to entry into Candidate Recommendation
https://www.w3.org/Bugs/Public/show_bug.cgi?id=23827
Next action: wait until LC

j) Bug 23828 - HTMLSourceElement with |keySystem| attribute should create MediaKeys object for |keySystem|
https://www.w3.org/Bugs/Public/show_bug.cgi?id=23828
Next action: Adrian to make changes (low priority - see 23827)

k) Bug 24025 - Add optional configuration parameter to MediaKeys constructor
https://www.w3.org/Bugs/Public/show_bug.cgi?id=24025
Next action: discuss as part of 24082 below. Tied to the general extensibilty issue.
Feb 4: Mark to add his use cases to the bug from http://lists.w3.org/Archives/Public/public-html-media/2014Feb/0001.html 

l) Bug 24082 - Several issues discussed in the TF point to the need for defined extensibility points in EME
https://www.w3.org/Bugs/Public/show_bug.cgi?id=24082
Next action: TF agreed that members need to propose use cases - not blocking and lower priority

m) Bug 24026 - Document that URLs (destinationURL) should/may be validated and/or normalized
https://www.w3.org/Bugs/Public/show_bug.cgi?id=24026
Next action: David to add proposed text (to bug or spec)

n) Bug 24027 - Define a generic Initialization Data solution for ISO Base Media File Format and/or Common Encryption (will be used by Clear Key)
https://www.w3.org/Bugs/Public/show_bug.cgi?id=24027
Next action: ACTION-63 on John to make proposal - there has been a proposal made by Pavel with comments from David Status from Jan 28 meeting: Adrian suggested John should review Pavel's proposal.
Feb 4: The meeting agreed with Pavel's proposal and Mark agreed to make a concrete change proposal.

o) 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.

p) Bug 24216 - setMediaKeys() needs more specification
https://www.w3.org/Bugs/Public/show_bug.cgi?id=24216
Next action: TF needs to review and discuss - I know Jerry is looking at this for Microsoft and waiting for feedback internally
Feb 4: Skipped since Jerry Smith was not available.

q) Bug 24270 - Make MediaKeySession State Definitions and Event Summary sections non-normative
https://www.w3.org/Bugs/Public/show_bug.cgi?id=24270
Next action: confirm we have consensus to make this change and then make it 
Status from Jan 28: David made a partial change. "We should also make the Event Summary section non-normative."

r) Bug 24322 - Reorganize spec by object
https://www.w3.org/Bugs/Public/show_bug.cgi?id=24322
Next action: significant editorial change just needs editing - not blocking

s) Bug 24323 - Rename "First Time a Key Reference is Encountered" algorithm and remove key ID checks from Container Guidelines subsections
https://www.w3.org/Bugs/Public/show_bug.cgi?id=24323
Next action: Feedback needed from TF
Feb 4: Joe Steele agreed to review and comment on this bug.

t) Bug 24368 - Define playback behavior when the key for an encrypted block is not available for a subset of streams
https://www.w3.org/Bugs/Public/show_bug.cgi?id=24368
Next action: Feedback needed from TF
Status from Jan 28 meeting: Jerry to review the proposal.
Feb 4: Skipped since Jerry Smith was not available.

u) Bug 24381 - HTMLMediaElement.setMediaKeys() appears superfluous
https://www.w3.org/Bugs/Public/show_bug.cgi?id=24381
Status from Jan 28 meeting: Adrian believes this is a duplicate but needs to find the original bug.
Feb 4:  Adrian is still looking for the duplicate bug.

v) Bug 24419 - Clear Key: Define license request format
https://www.w3.org/Bugs/Public/show_bug.cgi?id=24419
Status from Jan 28 meeting:  Not discussed.
Feb 4: David said he would implement the proposed solution.

w) Bug 24673 - Make all content type string checks case-sensitive
https://www.w3.org/Bugs/Public/show_bug.cgi?id=24673 

6. Any other business
 
7. Chair and Scribe for next meeting

8. 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
Received on Monday, 17 February 2014 14:51:03 UTC

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