View source for HTML/wg/2015-10-Agenda

= Media Task Force October 29-30 2015 F2F Meeting =

This page is for the [[HTML/wg|HTML WG]] Media Task Force F2F on Thu and Fri October 29-30 2015.  The meeting host is [mailto:pcotton@microsoft.com Paul Cotton].

== Logistics and meeting location ==

The F2F meeting will be held during [TPAC 2015 http://www.w3.org/2015/10/TPAC/].

Sapporo Convention Center
1-1-1 Higashi-Sapporo 6-jo
Shiroishi-ku, Sapporo, JAPAN 003-0006

The meeting will start at 9:00am on Thu October 29.  Please arrive at the Center before 9am to register.

== IRC and Teleconference facilities ==

WebEx teleconference bridge:
   [https://mit.webex.com/mit/j.php?MTID=m041289d790e3d6a817c6a2eb1d485068 WebEx link]
   Access code: 648 719 601
   Please, type "present+ <YourName>" in irc when joining the call.

Supplementary IRC chat (logged):
   #html-media on irc.w3.org port 6665 or port 80

== Specifications, Documents and References: ==

Media Task Force specifications

* [https://w3c.github.io/media-source/ Media Source Extensions Editor's Draft]
* [https://w3c.github.io/encrypted-media/ Encrypted Media Extensions Editor's Draft]

EME bugs and issues

* [http://tinyurl.com/7tfambo Encrypted Media Extensions bugs]
* [https://github.com/w3c/encrypted-media/issues EME GitHub issues]

MSE bugs

* [http://tinyurl.com/kfeptqy Media Source Extensions bugs (should be zero)]
* [https://github.com/w3c/media-source/issues MSE GitHub issues]

See also:

* [http://www.w3.org/html/wg/ HTML WG homepage]
* [http://www.w3.org/wiki/HTML/Publications HTML WG and TF Publications]

== Potential Topics ==

=== MSE ===
# [https://lists.w3.org/Archives/Public/public-html-admin/2015Oct/0002.html Information on F2F agenda (Paul)]
# [https://lists.w3.org/Archives/Public/public-html-admin/2015May/0017.html HTML WG and Timed Media WG charter status (Philippe)]
## [http://www.w3.org/2015/07/timed-media-wg.html Proposed Timed Media WG charter]
# [https://lists.w3.org/Archives/Public/public-html-media/2015Aug/0038.html MSE Heartbeat publication vs automatic publication]
# MSE issues about normative references (Editor to lead discussion)
## [https://github.com/w3c/media-source/issues/10 ISSUE-10 createObjectURL() not up-to-date with File API (Jerry)]
## [https://github.com/w3c/media-source/issues/14 ISSUE-14 Update SourceBuffer.appendStream() and related algorithms to use ReadableByteStream (Editors)]
# Range removal cluster (Jerry)
## [https://github.com/w3c/media-source/issues/19 ISSUE-19 Ambiguous behaviour when running sourcebuffer.abort()]
### Marked as "needs implementation"
### [https://www.w3.org/Bugs/Public/show_bug.cgi?id=27980 Bug 27980]
## [https://github.com/w3c/media-source/issues/20 ISSUE-20 Clarify asynchronicity in duration change algorithm when reducing duration]
### Marked as "needs implementation"
### [https://www.w3.org/Bugs/Public/show_bug.cgi?id=27982 Bug 27982]
## [https://github.com/w3c/media-source/issues/23 ISSUE-23 Coded frame removal algorithm may introduce discontinuity at end of current coded frame group]
## [https://github.com/w3c/media-source/issues/26 ISSUE-26 Per spec, no frame will be removed when changing mediasource duration]
## [https://github.com/w3c/media-source/issues/29 ISSUE-29 Ambiguous behaviour when running the range removal algorithm]
### Marked as "needs implementation"
### [https://www.w3.org/Bugs/Public/show_bug.cgi?id=28877 Bug 28877]
# MSE issues for discussion (Editor to lead discussion)
## [https://github.com/w3c/media-source/issues/5 ISSUE-5 Seekable differs from non-MSE behavior (Jerry)]
## [https://github.com/w3c/media-source/issues/15 ISSUE-15 Clarify how track buffer ranges are updated (Matt)]
## [https://github.com/w3c/media-source/issues/16 ISSUE-16 Some of the attributes returning TimeRanges objects seem to return a new object each time the getter is invoked (Matt)]
## [https://github.com/w3c/media-source/issues/17 ISSUE-17 Should the media element load algorithm trigger detaching from a media element? (Jerry)]
## [https://github.com/w3c/media-source/issues/18 ISSUE-18 Should fetch algorithm failure trigger detaching from a media element? (Jerry)]
## [https://github.com/w3c/media-source/issues/24 ISSUE-24 suspending and notifying resumption of a download for a media element fetching from a MediaSource (Editors)]
## [https://github.com/w3c/media-source/issues/25 ISSUE-25 Ambiguous behavior with Coded Frame Processing algorithm  (Matt)]
## [https://github.com/w3c/media-source/issues/31 ISSUE-31  Require at least one block from each audio and video track in media segment definition (Editors)]
## [https://github.com/w3c/media-source/issues/34 ISSUE-34  InvalidAccessError usage is questionable(Jerry)]
# MSE issues to be treated as V.next feature requests (Editor to lead discussion)
## [https://github.com/w3c/media-source/issues/21 ISSUE-21 should buffering model be an option? (Editors)]
## [https://github.com/w3c/media-source/issues/22 ISSUE-22 MSE does not work with Mixed Content, unlike video/audio.src= (Jerry)]
## [https://github.com/w3c/media-source/issues/28 ISSUE-28 Support attachment (and inspection) of MediaSource to HTMLMediaElement via HTMLMediaElement.srcObject (Editors)]
# [https://lists.w3.org/Archives/Public/public-html-media/2015Jun/0031.html MSE test suite status (Matt)]
## [https://lists.w3.org/Archives/Public/public-html-media/2015Oct/0084.html Matt's Oct 29 update]
# Outstanding action items
## [http://www.w3.org/html/wg/media/track/actions/84 ACTION-84: (really rustamk) to update uses cases and arrange for further discussion]
### [https://lists.w3.org/Archives/Public/public-html-media/2015Oct/0081.html Update from Rus]
### [https://lists.w3.org/Archives/Public/public-html-media/2015Oct/0082.html Jon's response - see rest of thread]
# [https://github.com/w3c/media-source/labels/needs%20implementation EME issues "to be implemented" by Editors]
## [https://github.com/w3c/media-source/issues/11 ISSUE-11 Should MSE cause any "preload" attribute on parent media element to be ignored?(Matt)]
## [https://github.com/w3c/media-source/issues/19 ISSUE-19 Ambiguous behaviour when running sourcebuffer.abort() (Jerry)]
## [https://github.com/w3c/media-source/issues/20 ISSUE-20 Clarify asynchronicity in duration change algorithm when reducing duration (Jerry)]
## [https://github.com/w3c/media-source/issues/29 ISSUE-29 Ambiguous behaviour when running the range removal algorithm (Jerry)]
## [https://github.com/w3c/media-source/issues/34 ISSUE-34 InvalidAccessError usage is questionable (Jerry)]

=== EME ===
# [https://github.com/w3c/encrypted-media/issues?utf8=%E2%9C%93&q=is%3Aopen+-label%3A%22needs+implementation%22+is%3Aissue+-label%3Ablocked+-milestone%3AVNext+-assignee%3Addorwin Items David would like feedback on]
## [https://github.com/w3c/encrypted-media/issues/68 ISSUE-68]
## [https://github.com/w3c/encrypted-media/issues/85 ISSUE-85]
## [https://github.com/w3c/encrypted-media/issues/98 ISSUE-98]
## [https://github.com/w3c/encrypted-media/issues/100 ISSUE-100]
## [https://github.com/w3c/encrypted-media/issues/102 ISSUE-102]
## [https://github.com/w3c/encrypted-media/issues/112 ISSUE-112]
## [https://github.com/w3c/encrypted-media/issues/118 ISSUE-118]
# [https://lists.w3.org/Archives/Public/public-html-admin/2015May/0017.html HTML WG and Timed Media WG charter status (Philippe)]
## [http://www.w3.org/2015/07/timed-media-wg.html Proposed Timed Media WG charter]
# Formal Objections
## [http://dev.w3.org/html5/status/formal-objection-status.html#EME-1 EME-1]
### This formal objection will be handled no later than when EME progresses to LC/CR.
# [https://www.w3.org/html/wg/media/track/actions/open Outstanding action items]
## [Bob Lund] [https://lists.w3.org/Archives/Public/public-html-media/2015Oct/0070.html ACTION-93: Get in touch with webappsec wg about the "privileged  context" which is mre generic than saying https, etc.]
### Technical discussion of this topic should occur in the proposed Technical Plenary Day session [[TPAC2015/SessionIdeas#Secure_communication_with_local_network_devices|Secure communication with local network devices]]
# "Secure release" discussion with TAG
## [https://github.com/w3c/encrypted-media/issues/85 ISSUE-85 - "tracked" sessions: architectural concerns pending resolution with TAG]
### See also [https://github.com/w3ctag/spec-reviews/issues/73 TAG ISSUE-73]
# Email items that might be issues
## [https://lists.w3.org/Archives/Public/public-html-media/2015Oct/0020.html EME Initialization Data Correlation]
#New issues since last meeting
## [https://github.com/w3c/encrypted-media/issues/111 ISSUE-111 Get Supported Capabilities for Audio/Video Type: "media types" referenced before definition]
### Proposal in Issue and marked as "needs implementation"
## [https://github.com/w3c/encrypted-media/issues/112 ISSUE-112 Encrypted Block Encountered algorithm: Steps to abort playback are insufficient]
## [https://github.com/w3c/encrypted-media/issues/113 ISSUE-113 generateRequest() and load() should check "If the Session Close algorithm has been run"]
### Proposal in Issue and marked as "needs implementation"
## [https://github.com/w3c/encrypted-media/pull/117 ISSUE-117 Refine the definition of Distinctive Identifier]
### Proposal in Issue and marked as "needs implementation"
## More recent new issues
# Recent EME issues with outstanding pull requests
## [https://github.com/w3c/encrypted-media/issues/80 ISSUE-80 - "tracked" sessions: record of usage should track session usage, not individual key usage]
### [https://github.com/w3c/encrypted-media/pull/87 Pull request 87]
### We need to get closure on Pull Request 87 so Mark can update the rest of the pull requests for ISSUEs 81, 82 and 83.
## [https://github.com/w3c/encrypted-media/issues/81 ISSUE-81 - "tracked" sessions: "record of key usage" is undefined]
### [https://github.com/w3c/encrypted-media/pull/88 Pull request 88] 
## [https://github.com/w3c/encrypted-media/issues/82 ISSUE-82 - "tracked" sessions: when to persist "record of key usage" is not specified]
### [https://github.com/w3c/encrypted-media/issues/83 blocks ISSUE-83]
### [https://github.com/w3c/encrypted-media/pull/89 Pull request 89]
## [https://github.com/w3c/encrypted-media/issues/83 ISSUE-83 - "tracked" sessions: Does "record of key usage" need not be updated each time a block is decrypted?]
### [https://github.com/w3c/encrypted-media/pull/93 Pull Request 93]
## [https://github.com/w3c/encrypted-media/issues/84 ISSUE-84 - "tracked" sessions: document usage for limiting concurrent streams]
### Awaiting feedback from TF members. No Pull Request.  Just updates to Wiki.
### [https://www.w3.org/wiki/HTML/Media_Task_Force/EME_Use_Cases#Example_usage See proposed text on Wiki]
# "Feature request" issues
## [https://github.com/w3c/encrypted-media/issues/41 ISSUE-41]
### [https://github.com/w3c/encrypted-media/issues/53 blocks ISSUE-53]
# [https://github.com/w3c/encrypted-media/labels/needs%20follow-up Issues with follow-up (and blocked issues)]
## [https://github.com/w3c/encrypted-media/issues/19 ISSUE-19 (Jerry)]
### [https://github.com/w3c/encrypted-media/issues/14 blocks ISSUE-14]
### [https://github.com/w3c/encrypted-media/issues/31 blocks ISSUE-31]
## [https://github.com/w3c/encrypted-media/issues/59 ISSUE-59 (David}]
## [https://github.com/w3c/encrypted-media/issues/75 ISSUE-75 (David)]
### [https://github.com/w3c/encrypted-media/issues/69 blocks ISSUE-69]
## [https://github.com/w3c/encrypted-media/issues/101 ISSUE-101 (David)]
## [https://github.com/w3c/encrypted-media/issues/105 ISSUE-105 (David)]
### [https://github.com/w3c/encrypted-media/issues/104 blocks ISSUE-104]
### [https://github.com/w3c/encrypted-media/issues/106 blocks ISSUE-106]
## [https://github.com/w3c/encrypted-media/issues/107 ISSUE-107 (Philippe)]
### Resolved and marked as "needs implementation"
## [https://github.com/w3c/encrypted-media/issues/108 ISSUE-108 (Philippe)]
### [https://github.com/w3c/encrypted-media/pull/114 Pull Request 114]
### [https://github.com/w3c/encrypted-media/pull/115 Pull Request 115]
### Resolved and marked as "needs implementation"
# "Needs author input" issues
## [https://github.com/w3c/encrypted-media/issues/68 ISSUE-68]
## [https://github.com/w3c/encrypted-media/issues/98 ISSUE-98]
## [https://github.com/w3c/encrypted-media/issues/100 ISSUE-100]
## [https://github.com/w3c/encrypted-media/issues/102 ISSUE-102]
# Unclassified issues
## [https://github.com/w3c/encrypted-media/issues/99 ISSUE-99 (Jerry)]
## [https://github.com/w3c/encrypted-media/issues/110 ISSUE-110]
# Open Bugzilla bugs
## [https://www.w3.org/Bugs/Public/buglist.cgi?bug_status=NEW&bug_status=ASSIGNED&bug_status=REOPENED&component=Encrypted%20Media%20Extensions&list_id=60418&product=HTML%20WG&query_format=advanced Open bugs]
## We continue to migrate Bugzilla bugs to GitHub but the following six bugs still need to be processed:
### [https://www.w3.org/Bugs/Public/show_bug.cgi?id=20944 Bug 20944 (related to Formal Objection EME-1)]
### [https://www.w3.org/Bugs/Public/show_bug.cgi?id=23827 Bug 23827]
### [https://www.w3.org/Bugs/Public/show_bug.cgi?id=26887 Bug 26887]
### [https://www.w3.org/Bugs/Public/show_bug.cgi?id=26776 Bug 26776 (system codes)]
### [https://www.w3.org/Bugs/Public/show_bug.cgi?id=27053 Bug 27053]
### [https://www.w3.org/Bugs/Public/show_bug.cgi?id=27055 Bug 27055]
# [https://github.com/w3c/encrypted-media/labels/needs%20implementation EME issues "to be implemented" by Editors]
## As of Oct 30 there are 21 "to be implemented" issues with 6 not yet assigned.

=== Other ===
#

== EME open bugs and issues ==

*

== MSE open bugs ==

*

== Agenda October 29 ==

* 09:00 - 09:15 Tweak agenda à la an [http://en.wikipedia.org/wiki/Unconference unconference style meeting]
* 10:00 - 17:00 MSE

== Agenda October 30 ==

* 09:00 - 17:00 EME