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<title>Media Fragments Working Group Teleconference -- 29 Sep
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<h1>Media Fragments Working Group Teleconference</h1>
<h2>29 Sep 2010</h2>
<p><a href=
'http://lists.w3.org/Archives/Public/public-media-fragment/2010Sep/0075.html'>
Agenda</a></p>
<p>See also: <a href=
"http://www.w3.org/2010/09/29-mediafrag-irc">IRC log</a></p>
<h2><a name="attendees" id="attendees">Attendees</a></h2>
<div class="intro">
<dl>
<dt>Present</dt>
<dd>Yves, Davy, Raphael</dd>
<dt>Regrets</dt>
<dd>Silvia, Erik</dd>
<dt>Chair</dt>
<dd>Erik</dd>
<dt>Scribe</dt>
<dd>davy</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">MEDIA FRAGMENT EXTENSION:</a></li>
<li><a href="#item03">PUBLIC COMMENTS</a></li>
<li><a href="#item04">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: 29 September
2010</p>
<p class='irc'><<cite>raphael</cite>> Chair: Raphael</p>
<h3 id="item01">ADMIN</h3>
<p class='irc'><<cite>scribe</cite>> scribenick: davy</p>
<p class='irc'><<cite>raphael</cite>> <a href=
"http://www.w3.org/2010/09/22-mediafrag-minutes.html">http://www.w3.org/2010/09/22-mediafrag-minutes.html</a></p>
<p class='phone'>PROPOSED to accept the minutes of the 22
September 2010 telecon:</p>
<p class='phone'><a href=
"http://www.w3.org/2010/09/22-mediafrag-minutes.html">http://www.w3.org/2010/09/22-mediafrag-minutes.html</a></p>
<p class='phone'>+1</p>
<p class='irc'><<cite>Yves</cite>> +1</p>
<p class='irc'><<cite>raphael</cite>> +1</p>
<p class='phone'><strong class='resolution'>RESOLUTION: minutes
accepted</strong></p>
<p class='irc'><<cite>raphael</cite>> ACTIOn-183?</p>
<p class='irc'><<cite>trackbot</cite>> ACTION-183 --
Raphaël Troncy to send reminders to all relevant groups -- due
2010-09-15 -- OPEN</p>
<p class='irc'><<cite>trackbot</cite>> <a href=
"http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/183">
http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/183</a></p>
<p class='phone'><cite>raphael:</cite> will finish that
today</p>
<p class='irc'><<cite>raphael</cite>> ACTIOn-185?</p>
<p class='irc'><<cite>trackbot</cite>> ACTION-185 -- Yves
Lafon to book zakim for the 2 days meeting of the group on Mon
1st and Tue 2nd Nov -- due 2010-09-29 -- OPEN</p>
<p class='irc'><<cite>trackbot</cite>> <a href=
"http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/185">
http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/185</a></p>
<p class='phone'><cite>Yves:</cite> pending, will do that right
now</p>
<p class='irc'><<cite>raphael</cite>> TPAC registration:
<a href=
"http://www.w3.org/2010/11/TPAC/#Registration">http://www.w3.org/2010/11/TPAC/#Registration</a></p>
<p class='phone'><a href=
"http://www.w3.org/2002/09/wbs/35125/TPAC2010reg/registrants#MediaF">
http://www.w3.org/2002/09/wbs/35125/TPAC2010reg/registrants#MediaF</a></p>
<p class='irc'><<cite>raphael</cite>> Registered persons
for TPAC from the group: <a href=
"http://www.w3.org/2002/09/wbs/35125/TPAC2010reg/registrants#MediaF">
http://www.w3.org/2002/09/wbs/35125/TPAC2010reg/registrants#MediaF</a></p><a name="action01"
id="action01"></a>
<p class='irc'><<cite>scribe</cite>>
<strong>ACTION:</strong> troncy to remind Jack and Michael to
register asap for TPAC [recorded in <a href=
"http://www.w3.org/2010/09/29-mediafrag-minutes.html#action01">http://www.w3.org/2010/09/29-mediafrag-minutes.html#action01</a>]</p>
<p class='irc'><<cite>trackbot</cite>> Created ACTION-188
- Remind Jack and Michael to register asap for TPAC [on Raphaël
Troncy - due 2010-10-06].</p>
<h3 id="item02">MEDIA FRAGMENT EXTENSION:</h3>
<p class='phone'>action-186?</p>
<p class='irc'><<cite>trackbot</cite>> ACTION-186 --
Philip Jägenstedt to send his list of test cases to the mailing
list for understanding how browsers handle %-encodded and
html-encoded URL -- due 2010-09-29 -- OPEN</p>
<p class='irc'><<cite>trackbot</cite>> <a href=
"http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/186">
http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/186</a></p>
<p class='irc'><<cite>raphael</cite>> <a href=
"http://lists.w3.org/Archives/Public/public-media-fragment/2010Sep/0057.html">
http://lists.w3.org/Archives/Public/public-media-fragment/2010Sep/0057.html</a></p>
<p class='phone'><cite>Yves:</cite> wonder if the same thing
can be obtained with firebug</p>
<p class='phone'>close action-186</p>
<p class='irc'><<cite>trackbot</cite>> ACTION-186 Send
his list of test cases to the mailing list for understanding
how browsers handle %-encodded and html-encoded URL closed</p>
<p class='phone'>action-187?</p>
<p class='irc'><<cite>trackbot</cite>> ACTION-187 --
Philip Jägenstedt to start a new thread about extensibility of
the Media Fragments in order to get consensus by next week --
due 2010-09-29 -- OPEN</p>
<p class='irc'><<cite>trackbot</cite>> <a href=
"http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/187">
http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/187</a></p>
<p class='phone'><cite>raphael:</cite> people agreed with
proposal (2) of Philip</p>
<p class='phone'><cite>yves:</cite> would like to know the
opinion of Jack</p>
<p class='phone'><cite>raphael:</cite> first decide which
proposal, afterwards decide how it is written in the spec</p>
<p class='phone'><cite>yves:</cite> just against the fact that
saying that all key-value pairs are media fragments</p>
<p class='phone'><cite>raphael:</cite> on condition is that you
need to have keys that we understand<br />
... if this is not the case, it's not a media fragment</p>
<p class='phone'><cite>yves:</cite> not in favour, but also not
against this</p>
<p class='phone'>close action-187</p>
<p class='irc'><<cite>trackbot</cite>> ACTION-187 Start a
new thread about extensibility of the Media Fragments in order
to get consensus by next week closed</p>
<p class='phone'><cite>raphael:</cite> philip would like to
distinguish between validity and parsing</p>
<p class='phone'><cite>yves:</cite> if we have grammar
explaining what should be there, and a parsing algorithm,
that's fine</p>
<p class='irc'><<cite>raphael</cite>> Is this grammar
could be <a href=
"http://lists.w3.org/Archives/Public/public-media-fragment/2010Aug/0005.html">
http://lists.w3.org/Archives/Public/public-media-fragment/2010Aug/0005.html</a></p>
<p class='phone'><cite>yves:</cite> this is not a grammar<br />
... it's a general approach to parse key-value pairs</p>
<p class='phone'><cite>raphael:</cite> the grammar we currently
have, will be kept of course</p>
<p class='irc'><<cite>Yves</cite>> I propose, keep the
current grammar and add the extension point, _and_ define a
parsing algorithm for those who need it</p>
<p class='irc'><<cite>Yves</cite>> mediasegment =
namesegment / axissegment</p>
<p class='irc'><<cite>Yves</cite>> axissegment = (
timesegment / spacesegment / tracksegment )</p>
<p class='irc'><<cite>Yves</cite>> *( "&" (
timesegment / spacesegment / tracksegment )</p>
<p class='irc'><<cite>Yves</cite>> ;</p>
<p class='irc'><<cite>Yves</cite>> => add
extensionsegment there</p>
<p class='phone'><cite>yves:</cite> a mediasegment can't be
only an extensionsegment</p>
<p class='irc'><<cite>raphael</cite>> Yves propose that:
mediasegment = namesegment / axissegment / extensionsegment +
prose to state that a media segment cannot be only an extension
segment</p>
<p class='phone'><cite>yves:</cite> we have to state that
extensions should remain compatible with the current spec<br />
... e.g., bounding box (through xywh) as fallback for an
arbitrary shape (through ref)</p>
<p class='irc'><<cite>Yves</cite>> extensionsegment =
extensionname '=' extensionvalue</p>
<p class='irc'><<cite>raphael</cite>> extensionsegment =
extensionprefix '=' extensionparam</p>
<p class='irc'><<cite>Yves</cite>> issue is with
extensions that conflict with already defined axis, like 'ref'
being impacting the spatial dimension defined by 'xywh'</p>
<p class='phone'><cite>raphael:</cite> top-level production
rules of the grammar should be in de document as well, not only
in the appendix<br />
... in section 4.3.5 or 4.1</p><a name="action02" id=
"action02"></a>
<p class='irc'><<cite>scribe</cite>>
<strong>ACTION:</strong> troncy to put the top-level production
rules back into the document (in section 4.3.5 or 4.1)
[recorded in <a href=
"http://www.w3.org/2010/09/29-mediafrag-minutes.html#action02">http://www.w3.org/2010/09/29-mediafrag-minutes.html#action02</a>]</p>
<p class='irc'><<cite>trackbot</cite>> Created ACTION-189
- Put the top-level production rules back into the document (in
section 4.3.5 or 4.1) [on Raphaël Troncy - due 2010-10-06].</p>
<p class='phone'><cite>raphael:</cite> still missing is a
paragraph how things should be parsed<br />
... I will ask Philip regarding this issue</p>
<p class='phone'>close action-187</p>
<p class='irc'><<cite>trackbot</cite>> ACTION-187 Start a
new thread about extensibility of the Media Fragments in order
to get consensus by next week closed</p>
<p class='phone'>action-173?</p>
<p class='irc'><<cite>trackbot</cite>> ACTION-173 -- Yves
Lafon to produce the code that will check the grammar of both
the URI syntax and the Headers syntax -- due 2010-06-22 --
OPEN</p>
<p class='irc'><<cite>trackbot</cite>> <a href=
"http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/173">
http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/173</a></p>
<p class='phone'><cite>yves:</cite> not done yet for the header
syntax</p>
<h3 id="item03">PUBLIC COMMENTS</h3>
<p class='irc'><<cite>raphael</cite>> ACTION-184?</p>
<p class='irc'><<cite>trackbot</cite>> ACTION-184 -- Yves
Lafon to email Chris the reply on when to send the range header
-- due 2010-09-15 -- OPEN</p>
<p class='irc'><<cite>trackbot</cite>> <a href=
"http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/184">
http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/184</a></p>
<p class='phone'>close action-184</p>
<p class='irc'><<cite>trackbot</cite>> ACTION-184 Email
Chris the reply on when to send the range header closed</p>
<p class='phone'><cite>raphael:</cite> should we use the bug
tracker for LC comments?</p>
<p class='phone'><cite>yves:</cite> a manual approach should be
feasible (e.g., manually building an HTML table)</p>
<p class='phone'><cite>raphael:</cite> suggest to start with
manual approach, when a lot of comments are coming, we might
consider using the bug tracker</p>
<p class='irc'><<cite>raphael</cite>> ACTION-167?</p>
<p class='irc'><<cite>trackbot</cite>> ACTION-167 -- Erik
Mannens to find licence free movies for the automatic test
suite ... starting with Elephant Dreams and the creative
commons -- due 2010-06-02 -- OPEN</p>
<p class='irc'><<cite>trackbot</cite>> <a href=
"http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/167">
http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/167</a></p>
<h3 id="item04">AOB</h3>
<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> troncy to put the
top-level production rules back into the document (in section
4.3.5 or 4.1) [recorded in <a href=
"http://www.w3.org/2010/09/29-mediafrag-minutes.html#action02">http://www.w3.org/2010/09/29-mediafrag-minutes.html#action02</a>]<br />
<strong>[NEW]</strong> <strong>ACTION:</strong> troncy to remind
Jack and Michael to register asap for TPAC [recorded in <a href=
"http://www.w3.org/2010/09/29-mediafrag-minutes.html#action01">http://www.w3.org/2010/09/29-mediafrag-minutes.html#action01</a>]<br />
<br />
[End of minutes]<br />
<hr />
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$Date: 2010/09/29 10:22:18 $
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