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{agenda} HTML WG media telecon 2015-08-11 - MSE bug status and MSE CR test suite

From: Paul Cotton <Paul.Cotton@microsoft.com>
Date: Mon, 10 Aug 2015 19:22:11 +0000
To: "public-html-media@w3.org" <public-html-media@w3.org>
Message-ID: <CY1PR0301MB1196B5154D7C43631DD26BD9EA700@CY1PR0301MB1196.namprd03.prod.outlook.com>
NOTE: This meeting will use the Webex phone facility!!!


The HTML WG media teleconference meeting will occur on 2015-07-28 for up to 60 minutes from 15:00Z to 16:00Z.


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

Jul 14:


Jun 30:


3. MSE test suite status

a) Jun 29 test results including Safari results


b) Many of the *Track interface pieces are yet to be implemented


4. New MSE bugs

a) Bug 29002  - [MSE] It is possible to append media segments when no corresponding init segment has been appended


b) Bug 29008  - [MSE] Media Segment Header is not defined


5. MSE bugs

a) Bug 28822 - [MSE] Spec is ambiguous as to event behavior of an explicit MediaSource duration of +Infinity


Status from Jun 30: Matt will respond to this bug, resolve it WONTFIX since Infinity is a known value (it means unbounded). The only unknow value is NaN which is the initial value.

b) Bug 28857 - [MSE] Support attachment (and inspection) of MediaSource to HTMLMediaElement via HTMLMediaElement.srcObject


Status from Jun 30: Matt will update as RESOLVED LATER and we can in the future collect together additional features for a new version of MSE

6. Range removal bugs discussed on Jun 30 and Jul 14:

Status from Jun 30: jerry: I will comment on the bug after the meeting.

a) Bug 27980 - [MSE] Ambiguous behaviour when running sourcebuffer.abort()


b) Bug 27982 - Clarify asynchronicity in duration change algorithm when reducing duration


c) Bug 28877 - [MSE] Ambiguous behaviour when running the range removal algorithm


d) ISSUE-5 - Seekable differs from non-MSE behavior


7. Other MSE Bugs

a) Bug 28710 - [MSE] Ambiguous behavior with Coded Frame Processing algorithm


Status from Jun 2 meeting: This bug is about TrackBuffer and may be a duplicate.

b) Bug 28727 - [MSE] Per spec, no frame will be removed when changing mediasource duration


Status from Jun 2 meeting: Matt stated 'This one is interesting and is related to my work on Chromium. Related to Coded Frame Removal."

c) [Bug 28557] New: Coded frame removal algorithm may introduce discontinuity at end of current coded frame group


Possibly related to:


Status from May 5: Awaiting Matt's pull request proposal.

d) [Bug 28573] New: suspending and notifying resumption of a download for a media element fetching from a MediaSource


Status from May 5: Awaiting Matt's proposed response.

e) Bug 27239 - Update SourceBuffer.appendStream() and related algorithms to use ReadableByteStream


Status from May 12: Awaiting Matt's review.

8. MSE status and bugs

a) Media Source Extensions editor's draft

Last updated on Jul 14.

b) Media Source Extensions bugs:


Status as of Aug 10: 18 bugs

Status as of Jul 27: 16 bugs

Status as of Jul 13: 18 bugs

9. Next meeting

10. Any other business

11. Chair and Scribe for next meeting

12. Adjournment

== Dial-in and IRC Details ==

Media Task Force Call:


 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, 10 August 2015 19:22:41 UTC

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