HTML/wg/2015-04-Agenda

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Media Task Force April 15-16 2015 F2F Meeting

This page is for the HTML WG Media Task Force F2F on Wed and Thu April 15-16 2015. The meeting host is Paul Cotton.

Logistics and meeting location

The F2F meeting will be held on the Microsoft campus in Redmond, WA in the Shasta conference room of Building 43.

Microsoft Building 43 (East Campus) 15580 NE 31st St. Redmond, WA 98052, United States Note: If you have difficulty using the link please do a search for the street address.

There is an underground parking garage between buildings 42 and 43 that you can use. Please register your vehicle at the Building 43 reception.

The meeting will start at 9:30am PT on Wed Apr 15. Please arrive at the Building 43 reception between 9am and 9:15am on Wed Apr 15 to register and to be accompanied to the meeting room.

IRC and Teleconference facilities

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 

Specifications, Documents and References:

Media Task Force specifications

EME bugs and issues

MSE bugs

See also:

Potential Topics

MSE

  1. Plan for getting MSE out of CR (i.e. MSE test suite status) - Wed 5pm time slot requested to permit Mike Smith to join from Japan
  2. Selected MSE bugs
    1. MSE does not work with Mixed Content, unlike video/audio.src=
    2. Clarify how track buffer ranges are updated.
  3. [Rus K] Use cases driving additional content insertion requirements.

EME

  1. [ddorwin] Interoperability
  2. [markw, ddorwin] Secure origin requirement.
    1. Bug 26332
    2. David's email on enabling Mixed Content
  3. [ddorwin] persistent-release-message session type
    1. ISSUE-45 Remove "persistent-release-message" MediaKeySessionType
  4. [markw] Persistent secure release messages (Issues 45,16)
    1. ISSUE-45 Remove "persistent-release-message" MediaKeySessionType
    2. ISSUE-16 Review close() and remove() logic and behavior for persistent-* sessions
  5. [ddorwin] Bug 27269 about partitioning identifiers and data by top-level *and* EME-using origin
  6. [steele] Resolve Bug 27093 about allowing keys in initData
    1. The discussion is really in https://github.com/w3c/encrypted-media/issues/41.
  7. [skip if no owner] Review the disposition of the session/key persistence issues 18,20,26
    1. ISSUE-18 MediaKeySession.remove() and close() should mark session's keys as "unknown"
    2. ISSUE-20 Ensure session type is correct for loaded sessions
    3. ISSUE-26 Require that the license match the session type
  8. [steele] Discuss appetite for common license request/response format?
    1. Joe's email
    2. https://github.com/steelejoe/eme-generic-protocol
    3. Related: Bug 27053 - Platform Segmentation
    4. Related: Bug 20944 - EME should do more to encourage/ensure CDM-level interop
  9. [steele] Revisit the EME use cases wiki?
  10. [ddorwin] Automatically publishing to TR/
    1. W3C now has a self-serve/automatable tool for publishing to www.w3.org/TR/xyz.
    2. Eliminates W3C Team involvement/dependency and reduces/eliminates the lag of the TR/ URL.
    3. HTML 5.1 is now automatically published soon after a commit.
    4. Note: Not an option for MSE because it only supports WDs.

Moving the EME spec forward

  1. Plan for Bug 26573 Getting EME to last call
    1. Permanent home for EME registry.
  2. Plan for addressing interop/segmentation bugs:
    1. Bug 20944 - EME should do more to encourage/ensure CDM-level interop
    2. Bug 27053 - Platform Segmentation
  3. [ddorwin] What is the definition of independent interoperable implementations for EME?
  4. [ddorwin] Tests - Should we use MSE rather than .src= for spec tests?

Other

  1. [ddorwin] Telecon frequency, agenda, etc.
  2. [A11Y TF] Discussion of transcript accessibility and HTML ISSUE-194 (Requested to be at 4pm on Wed)

EME open bugs and issues

EME open bugs - pending implemention

MSE open bugs

Recently fixed bugs:

Agenda April 15

  • 09:30 - 10:15 Tweak agenda à la an unconference style meeting
  • 10:00 - 11:00 MSE bugs 28465, 27242, 27239 and other MSE topics
  • 11:00 - 12:30 EME session 1
  • 12:30 - 13:30 Lunch break
  • 13:30 - 15:00 EME session 2
  • 15:00 - 15:30 Coffee break
  • 15:30 - 16:00 EME session 3
  • 16:00 - 17:00 [A11Y TF] Discussion of transcript accessibility and HTML ISSUE-194
  • 17:00 - 18:00 Plan for getting MSE out of CR (i.e. MSE test suite status) - Wed 5pm time slot requested to permit Mike Smith to join from Japan

Agenda April 16

  • 09:00 - 10:00 EME Session 4
  • 10:00 - 11:00 EME Session 5
  • 11:00 - 12:15 ISSUE-45
  • 12:15 - 13:15 Lunch break
  • 13:15 - 15:00 EME Session 6
  • 15:00 - 15:30 Coffee break
  • 15:30 - 17:00 EME Session 7 and any other business