04-mediafrag-minutes.html
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<title>Media Fragments Working Group Teleconference -- 04 Feb
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<h1>Media Fragments Working Group Teleconference</h1>
<h2>04 Feb 2009</h2>
<p><a href=
'http://lists.w3.org/Archives/Public/public-media-fragment/2009Feb/0009.html'>
Agenda</a></p>
<p>See also: <a href=
"http://www.w3.org/2009/02/04-mediafrag-irc">IRC log</a></p>
<h2><a name="attendees" id="attendees">Attendees</a></h2>
<div class="intro">
<dl>
<dt>Present</dt>
<dd>michael, raphael, davy, thierry, yves, jack,
Guillaume</dd>
<dt>Regrets</dt>
<dd>Erik</dd>
<dt>Chair</dt>
<dd>Raphael</dd>
<dt>Scribe</dt>
<dd>mhausenblas</dd>
</dl>
</div>
<h2>Contents</h2>
<ul>
<li>
<a href="#agenda">Topics</a>
<ol>
<li><a href="#item01">ADMIN</a></li>
<li><a href="#item02">FUTURE PARTICIPANTS</a></li>
<li><a href="#item03">PREPARATION OF WORKING DRAFT</a></li>
<li><a href="#item04">ISSUES</a></li>
<li><a href="#item05">AOB</a></li>
</ol>
</li>
<li><a href="#ActionSummary">Summary of Action Items</a></li>
</ul>
<hr />
<div class="meeting">
<p class='phone'> </p>
<p class='phone'> </p>
<p class='irc'><<cite>trackbot</cite>> Date: 04 February
2009</p>
<p class='irc'><<cite>Gui</cite>> Gui waves everybody,
long time</p>
<p class='irc'><<cite>Gui</cite>> Dialing now</p>
<p class='irc'><<cite>scribe</cite>> Scribenick:
mhausenblas</p>
<h3 id="item01">ADMIN</h3>
<p class='irc'><<cite>Gui</cite>> brb</p>
<p class='irc'><<cite>raphael</cite>> +1 for accepting
the minutes</p>
<p class='phone'><cite>raphael:</cite> accept last week's
telecon</p>
<p class='phone'>+1</p>
<p class='irc'><<cite>davy</cite>> +1</p>
<p class='phone'>minutes accepted</p><a name="action01" id=
"action01"></a>
<p class='irc'><<cite>scribe</cite>>
<strong>ACTION:</strong> michael to review Use Cases and
Requirements for Ontology and API for Media Object 1.0
[recorded in <a href=
"http://www.w3.org/2009/01/28-mediafrag-minutes.html#action01">http://www.w3.org/2009/01/28-mediafrag-minutes.html#action01</a>]</p>
<p class='irc'><<cite>trackbot</cite>> Created ACTION-39
- Review Use Cases and Requirements for Ontology and API for
Media Object 1.0 [recorded in <a href=
"http://www.w3.org/2009/01/28-mediafrag-minutes.html#action01">http://www.w3.org/2009/01/28-mediafrag-minutes.html#action01</a>]
[on Michael Hausenblas - due 2009-02-11].</p>
<p class='irc'><<cite>scribe</cite>> -- done</p>
<p class='phone'>see <a href=
"http://lists.w3.org/Archives/Public/public-media-fragment/2009Jan/0095.html">
http://lists.w3.org/Archives/Public/public-media-fragment/2009Jan/0095.html</a></p>
<p class='phone'><cite>Michael:</cite> let's continue the
discussion</p>
<h3 id="item02">FUTURE PARTICIPANTS</h3>
<p class='phone'><cite>Raphael:</cite> ACTION-18
(DailyMotion)</p>
<p class='irc'><<cite>scribe</cite>> -- continues</p>
<p class='phone'><cite>Erik:</cite> ACTION-21 (Cisco)</p>
<p class='irc'><<cite>scribe</cite>> -- continues</p>
<p class='phone'><cite>Michael:</cite> ACTION-20 (Wolfgang)</p>
<p class='irc'><<cite>scribe</cite>> -- continues</p>
<h3 id="item03">PREPARATION OF WORKING DRAFT</h3>
<p class='phone'><cite>raphael:</cite> will attend the SW
co-ordination group and report on our MF work<br />
... will report about the feedback</p>
<p class='phone'><cite>ACTION-33:</cite> Raphael to start the
template of the document</p>
<p class='irc'><<cite>trackbot</cite>> ACTION-33 Start
the template of the document notes added</p>
<p class='irc'><<cite>scribe</cite>> -- continues</p>
<p class='phone'><cite>raphael:</cite> will be available
today</p>
<p class='phone'>every person has a section responsible, please
paste from Wiki and polish</p>
<p class='phone'><cite>raphael:</cite> we use xmlspec</p>
<p class='phone'><cite>jackjansen:</cite> can we agree on
syntax?</p>
<p class='phone'><cite>raphael:</cite> in a minute</p>
<p class='irc'><<cite>Yves</cite>> ABNF</p>
<p class='phone'><cite>ACTION-27:</cite> Yves to propose by
email a good list of units that can be used</p>
<p class='irc'><<cite>trackbot</cite>> ACTION-27 Propose
by email a good list of units that can be used notes added</p>
<p class='irc'><<cite>scribe</cite>> -- done</p>
<p class='phone'><cite>raphael:</cite> consensus to have px and
percentage<br />
... ongoing discussion on having cm, etc.<br />
... jackjansen objects</p>
<p class='phone'><cite>jackjansen:</cite> had problems on Mac
from Windows images having DPI measures</p>
<p class='phone'><cite>raphael:</cite> conclusion pc and % and
give reason why cm, et. will not be supported<br />
... see <a href=
"http://www.w3.org/2008/WebVideo/Fragments/wiki/Syntax#Discussion">
http://www.w3.org/2008/WebVideo/Fragments/wiki/Syntax#Discussion</a><br />
... will solicit feedback from the community</p>
<p class='phone'><cite>Yves:</cite> regarding aspect ratio
...</p>
<p class='phone'><cite>jackjansen:</cite> general aspect ratios
might not be useful</p>
<p class='irc'><<cite>raphael</cite>> Yves: aspect ratio
to specify the region one would like to crop, for example write
3:4 or 16:9</p>
<p class='irc'><<cite>Gui</cite>> Is there an actual
section about the aspect ratio issue on the WIki?</p>
<p class='phone'><cite>raphael:</cite> propose Yves to modify
the current phrasing</p><a name="action02" id="action02"></a>
<p class='irc'><<cite>scribe</cite>>
<strong>ACTION:</strong> Yves to rephrase <a href=
"http://www.w3.org/2008/WebVideo/Fragments/wiki/Syntax#Dimensions">
http://www.w3.org/2008/WebVideo/Fragments/wiki/Syntax#Dimensions</a>
to address the aspect ratio [recorded in <a href=
"http://www.w3.org/2009/02/04-mediafrag-minutes.html#action02">http://www.w3.org/2009/02/04-mediafrag-minutes.html#action02</a>]</p>
<p class='irc'><<cite>trackbot</cite>> Created ACTION-40
- Rephrase <a href=
"http://www.w3.org/2008/WebVideo/Fragments/wiki/Syntax#Dimensions">
http://www.w3.org/2008/WebVideo/Fragments/wiki/Syntax#Dimensions</a>
to address the aspect ratio [on Yves Lafon - due
2009-02-11].</p>
<p class='phone'><cite>raphael:</cite> Conclude syntax
discussion ...</p>
<p class='irc'><<cite>Gui</cite>> So aspect ratio is to
help enforcing standard cropping?</p>
<p class='irc'><<cite>Yves</cite>> that would be the
goal</p>
<p class='phone'><cite>Michael:</cite> usually ABNF</p>
<p class='phone'>ahm, yeah ;)</p>
<p class='phone'><a href=
"http://www.ietf.org/rfc/rfc2234.txt">http://www.ietf.org/rfc/rfc2234.txt</a></p>
<p class='irc'><<cite>Gui</cite>> Augmented Backus-Naur
Form</p>
<p class='phone'>sorry.</p>
<p class='phone'><a href=
"http://www.ietf.org/rfc/rfc4234.txt">http://www.ietf.org/rfc/rfc4234.txt</a></p>
<p class='phone'><cite>raphael:</cite> volunteer to transform
into ABNF</p>
<p class='phone'><cite>Yves:</cite> volunteers to do
it</p><a name="action03" id="action03"></a>
<p class='irc'><<cite>scribe</cite>>
<strong>ACTION:</strong> Yves to rewrite Syntax in ABNF based
on RFC4234 [recorded in <a href=
"http://www.w3.org/2009/02/04-mediafrag-minutes.html#action03">http://www.w3.org/2009/02/04-mediafrag-minutes.html#action03</a>]</p>
<p class='irc'><<cite>trackbot</cite>> Created ACTION-41
- Rewrite Syntax in ABNF based on RFC4234 [on Yves Lafon - due
2009-02-11].</p>
<p class='phone'><cite>raphael:</cite> UC<br />
... went through all reviews</p>
<p class='irc'><<cite>Gui</cite>> true</p>
<p class='phone'><cite>raphael:</cite> we need to take actions
to implement changes</p>
<p class='phone'><cite>Gui:</cite> Planned to do, still on the
to do list</p>
<p class='phone'><cite>raphael:</cite> till when?</p>
<p class='phone'><cite>Gui:</cite> till next
meeting</p><a name="action04" id="action04"></a>
<p class='irc'><<cite>scribe</cite>>
<strong>ACTION:</strong> Gui to incorporate changes proposed by
reviewers till next meeting [recorded in <a href=
"http://www.w3.org/2009/02/04-mediafrag-minutes.html#action04">http://www.w3.org/2009/02/04-mediafrag-minutes.html#action04</a>]</p>
<p class='irc'><<cite>trackbot</cite>> Sorry, couldn't
find user - Guillaume (Jean-Louis)</p>
<p class='irc'><<cite>raphael</cite>> trackbot,
status</p>
<p class='phone'><cite>raphael:</cite> Existing Technologies
Survey</p>
<p class='phone'><cite>ACTION-24:</cite> Erik (through extra
info from Felix) to ask Adobe (Larry) more info about
xmpMM:Ingredients</p>
<p class='irc'><<cite>trackbot</cite>> ACTION-24 (through
extra info from Felix) to ask Adobe (Larry) more info about
xmpMM:Ingredients notes added</p>
<p class='irc'><<cite>scribe</cite>> -- done</p>
<p class='phone'><cite>ACTION-23:</cite> Erik (together with
Jean-Pierre) to add TV-Anytime also to Existing Technologies
Survey</p>
<p class='irc'><<cite>trackbot</cite>> ACTION-23
(together with Jean-Pierre) to add TV-Anytime also to Existing
Technologies Survey notes added</p>
<p class='irc'><<cite>scribe</cite>> -- continues</p>
<p class='phone'><cite>ACTION-16:</cite> Erik to go through the
email lists to list different solutions used to identify
fragments, and populate the wiki</p>
<p class='irc'><<cite>trackbot</cite>> ACTION-16 Go
through the email lists to list different solutions used to
identify fragments, and populate the wiki notes added</p>
<p class='irc'><<cite>scribe</cite>> -- continues</p>
<p class='phone'><cite>raphael:</cite> HTTP implementation
(Raphael)</p>
<p class='phone'><cite>ACTION-34:</cite> Jack to look at
python-url library to see whether he could implement the logic
on client side</p>
<p class='irc'><<cite>trackbot</cite>> ACTION-34 Look at
python-url library to see whether he could implement the logic
on client side notes added</p>
<p class='irc'><<cite>scribe</cite>> -- continues</p>
<p class='phone'><cite>ACTION-35:</cite> Raphael to look at
curl and/or wget to see whether the logic could be implemented
on client side</p>
<p class='irc'><<cite>trackbot</cite>> ACTION-35 Look at
curl and/or wget to see whether the logic could be implemented
on client side notes added</p>
<p class='irc'><<cite>scribe</cite>> -- continues</p>
<h3 id="item04">ISSUES</h3>
<p class='phone'><cite>ACTION-37:</cite> Raphael to summarize
the clip-combining discussion</p>
<p class='irc'><<cite>trackbot</cite>> ACTION-37
Summarize clip-combining discussion notes added</p>
<p class='irc'><<cite>scribe</cite>> -- done</p>
<p class='phone'><cite>raphael:</cite> one comment from
Silvia</p>
<p class='irc'><<cite>raphael</cite>> Discussion: it
boils down to whether the media fragment is sees as in-context
or out-of-context</p>
<p class='phone'><cite>jackjansen:</cite> suggest to people to
use some method for out of context</p>
<p class='irc'><<cite>raphael</cite>> <a href=
"http://www.w3.org/2008/WebVideo/Fragments/wiki/Syntax#Discussion">
http://www.w3.org/2008/WebVideo/Fragments/wiki/Syntax#Discussion</a></p>
<p class='phone'><cite>raphael:</cite> jackjansen please update
on the Wiki <a href=
"http://www.w3.org/2008/WebVideo/Fragments/wiki/Syntax#Discussion">
http://www.w3.org/2008/WebVideo/Fragments/wiki/Syntax#Discussion</a></p>
<p class='phone'><cite>jackjansen:</cite> currently doin it ..
no need for an action</p>
<p class='phone'>close ISSUE-1</p>
<p class='irc'><<cite>trackbot</cite>> ISSUE-1 Combining
Media Fragment URI with other time-clipping methods closed</p>
<p class='phone'><cite>ISSUE-3:</cite> Does our MF URI syntax
imply that we need to update MIME Type registrations?</p>
<p class='irc'><<cite>trackbot</cite>> ISSUE-3 Does our
MF URI syntax imply that we need to update MIME Type
registrations? notes added</p>
<p class='phone'>see <a href=
"http://lists.w3.org/Archives/Public/public-media-fragment/2009Jan/0091.html">
http://lists.w3.org/Archives/Public/public-media-fragment/2009Jan/0091.html</a></p>
<p class='irc'><<cite>Yves</cite>> ISSUE-3?</p>
<p class='irc'><<cite>trackbot</cite>> ISSUE-3 -- Does
our MF URI syntax imply that we need to update MIME Type
registrations? -- OPEN</p>
<p class='irc'><<cite>trackbot</cite>> <a href=
"http://www.w3.org/2008/WebVideo/Fragments/tracker/issues/3">http://www.w3.org/2008/WebVideo/Fragments/tracker/issues/3</a></p>
<p class='phone'><cite>Michael:</cite> see <a href=
"http://www.w3.org/2008/WebVideo/Fragments/wiki/Semantics">http://www.w3.org/2008/WebVideo/Fragments/wiki/Semantics</a></p>
<p class='irc'><<cite>raphael</cite>> TBL Quotes: "I
think that it would be good to have a general rule for video/*
that there is a common fragment identifier syntax and
semantics. I think that the specification should claim all
video/*. The W3C specification itself can be a media type
specification... I think it can be registered in the registry
as the spec for a MIME type."</p>
<p class='irc'><<cite>jackjansen</cite>> I updated
<a href=
"http://www.w3.org/2008/WebVideo/Fragments/wiki/Syntax#Discussion">
http://www.w3.org/2008/WebVideo/Fragments/wiki/Syntax#Discussion</a></p>
<p class='phone'><cite>raphael:</cite> will approach TAG
officially</p>
<p class='phone'><cite>jackjansen:</cite> thought MPEG has its
own hands on it?</p><a name="action05" id="action05"></a>
<p class='irc'><<cite>scribe</cite>>
<strong>ACTION:</strong> Michael to dig deeper into the video/*
issue proposed by TimBL [recorded in <a href=
"http://www.w3.org/2009/02/04-mediafrag-minutes.html#action05">http://www.w3.org/2009/02/04-mediafrag-minutes.html#action05</a>]</p>
<p class='irc'><<cite>trackbot</cite>> Created ACTION-42
- Dig deeper into the video/* issue proposed by TimBL [on
Michael Hausenblas - due 2009-02-11].</p>
<p class='phone'><cite>jackjansen:</cite> IANA registry might
be a starting point</p>
<p class='phone'><cite>davy:</cite> not aware of types MPEG
has</p>
<p class='phone'><cite>raphael:</cite> we all have important
actions (esp. ME) so let's work on it<br />
... re Hypertext co-ordintation group</p>
<h3 id="item05">AOB</h3>
<p class='phone'><cite>raphael:</cite> part of the domain
activity<br />
... next Hypertext co-ordintation group meeting will be about
Test Suites</p>
<p class='phone'><cite>Michael:</cite> will summaries my
experiences and issues</p>
<p class='phone'><cite>raphael:</cite> gathering best
practices</p>
<p class='phone'>s/<strong>[DONE]</strong>
<strong>ACTION:</strong> michael to review Use
Cases/<strong>[DONE]</strong> ACTION: michael to review Use
Cases</p>
<p class='phone'><cite>raphael:</cite> thanks and see you next
week</p>
<p class='phone'>[adjourned]</p>
</div>
<h2><a name="ActionSummary" id="ActionSummary">Summary of Action
Items</a></h2><!-- Action Items -->
<strong>[NEW]</strong> <strong>ACTION:</strong> Gui to
incorporate changes proposed by reviewers till next meeting
[recorded in <a href=
"http://www.w3.org/2009/02/04-mediafrag-minutes.html#action04">http://www.w3.org/2009/02/04-mediafrag-minutes.html#action04</a>]<br />
<strong>[NEW]</strong> <strong>ACTION:</strong> Michael to dig
deeper into the video/* issue proposed by TimBL [recorded in
<a href=
"http://www.w3.org/2009/02/04-mediafrag-minutes.html#action05">http://www.w3.org/2009/02/04-mediafrag-minutes.html#action05</a>]<br />
<strong>[DONE]</strong> <strong>ACTION:</strong> michael to review
Use Cases and Requirements for Ontology and API for Media Object
1.0 [recorded in <a href=
"http://www.w3.org/2009/01/28-mediafrag-minutes.html#action01">http://www.w3.org/2009/01/28-mediafrag-minutes.html#action01</a>]<br />
<strong>[NEW]</strong> <strong>ACTION:</strong> Yves to rephrase
<a href=
"http://www.w3.org/2008/WebVideo/Fragments/wiki/Syntax#Dimensions">
http://www.w3.org/2008/WebVideo/Fragments/wiki/Syntax#Dimensions</a>
to address the aspect ratio [recorded in <a href=
"http://www.w3.org/2009/02/04-mediafrag-minutes.html#action02">http://www.w3.org/2009/02/04-mediafrag-minutes.html#action02</a>]<br />
<strong>[NEW]</strong> <strong>ACTION:</strong> Yves to rewrite
Syntax in ABNF based on RFC4234 [recorded in <a href=
"http://www.w3.org/2009/02/04-mediafrag-minutes.html#action03">http://www.w3.org/2009/02/04-mediafrag-minutes.html#action03</a>]<br />
<br />
[End of minutes]<br />
<hr />
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$Date: 2009/02/04 11:02:45 $
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