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392 lines
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392 lines
14 KiB
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<title>Media Fragments Working Group Teleconference -- 19 May
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2010</title>
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<p><a href="http://www.w3.org/"><img src=
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<h1>Media Fragments Working Group Teleconference</h1>
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<h2>19 May 2010</h2>
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<p><a href=
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'http://lists.w3.org/Archives/Public/public-media-fragment/2010May/0028.html'>
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Agenda</a></p>
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<p>See also: <a href=
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"http://www.w3.org/2010/05/19-mediafrag-irc">IRC log</a></p>
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<h2><a name="attendees" id="attendees">Attendees</a></h2>
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<div class="intro">
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<dl>
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<dt>Present</dt>
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<dd>Michael, Raphael, Silvia, Erik</dd>
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<dt>Regrets</dt>
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<dd>Davy</dd>
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<dt>Chair</dt>
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<dd>Erik, Raphael</dd>
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<dt>Scribe</dt>
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<dd>raphael</dd>
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</dl>
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</div>
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<h2>Contents</h2>
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<ul>
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<li>
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<a href="#agenda">Topics</a>
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<ol>
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<li><a href="#item01">1. Admin</a></li>
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<li><a href="#item02">2. Specification</a></li>
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<li><a href="#item03">3. Test Cases</a></li>
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<li><a href="#item04">4. AOB</a></li>
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</ol>
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</li>
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<li><a href="#ActionSummary">Summary of Action Items</a></li>
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</ul>
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<hr />
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<div class="meeting">
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<p class='phone'></p>
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<p class='phone'></p>
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<p class='irc'><<cite>trackbot</cite>> Date: 19 May
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2010</p>
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<p class='irc'><<cite>mhausenblas</cite>> hu? I'm the
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first? :)</p>
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<p class='irc'><<cite>mhausenblas</cite>> people, it's 7
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past the hour here :D</p>
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<p class='irc'><<cite>mhausenblas</cite>> heya silvia</p>
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<p class='irc'><<cite>scribe</cite>> scribenick:
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raphael</p>
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<p class='irc'><<cite>scribe</cite>> Scribe: raphael</p>
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<h3 id="item01">1. Admin</h3>
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<p class='phone'>PROPOSED to accept the short minutes of the 12
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May 2010 telecon: <a href=
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"http://www.w3.org/2010/05/12-mediafrag-minutes.html">http://www.w3.org/2010/05/12-mediafrag-minutes.html</a>
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?</p>
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<p class='irc'><<cite>silvia</cite>> +1</p>
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<p class='phone'>+1</p>
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<p class='irc'><<cite>mhausenblas</cite>> +1</p>
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<p class='phone'>Next F2F meeting: Michael will not make it
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physically but will paticipate remotely</p>
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<p class='phone'>Raphael will send details this afternoon</p>
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<h3 id="item02">2. Specification</h3>
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<p class='phone'>ACTIOn-156?</p>
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<p class='irc'><<cite>trackbot</cite>> ACTION-156 --
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Conrad Parker to add a "bandwidth conservation use case" -- due
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2010-03-16 -- OPEN</p>
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<p class='irc'><<cite>trackbot</cite>> <a href=
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"http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/156">
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http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/156</a></p>
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<p class='phone'><cite>Raphael:</cite> I will email Conrad
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about that ...</p>
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<p class='phone'>ACTION-123?</p>
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<p class='irc'><<cite>trackbot</cite>> ACTION-123 --
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Silvia Pfeiffer to come up with ABNF for header syntax -- due
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2009-12-09 -- OPEN</p>
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<p class='irc'><<cite>trackbot</cite>> <a href=
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"http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/123">
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http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/123</a></p>
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<p class='phone'><cite>Silvia:</cite> quite busy week, I
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haven't started, but I will do that tonight<br />
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... I do not expect difficulty, I will email this out</p>
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<p class='phone'>ACTION-154?</p>
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<p class='irc'><<cite>trackbot</cite>> ACTION-154 -- Davy
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Van Deursen to add a section 5.2.4 describing his new
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optimization -- due 2010-03-16 -- OPEN</p>
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<p class='irc'><<cite>trackbot</cite>> <a href=
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"http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/154">
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http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/154</a></p>
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<p class='phone'>close ACTION-154</p>
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<p class='irc'><<cite>trackbot</cite>> ACTION-154 Add a
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section 5.2.4 describing his new optimization closed</p>
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<p class='phone'><cite>Raphael:</cite> Davy has re-structured
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the section 5.2, is there any objections ?</p>
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<p class='phone'><cite>Silvia:</cite> no objection</p>
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<p class='phone'><cite>Michael:</cite> no objections</p>
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<p class='phone'><cite>Silvia:</cite> I agree that currently,
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codecs do not allow to address spatial fragment without
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transcoding<br />
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... so agree, it should happen with a query</p>
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<p class='irc'><<cite>silvia</cite>> spatial fragment
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retrieval cannot be done with byte ranges right now because
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current media formats and codecs don't allow it</p>
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<p class='irc'><<cite>silvia</cite>> but it may be
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possible in future</p>
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<p class='phone'><cite>Silvia:</cite> if there is a fragment,
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#xywh= ... then, no request issued, client might highlight a
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region if it has all the data</p>
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<p class='phone'><cite>Raphael:</cite> I will buzz Jack for the
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action 137</p>
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<h3 id="item03">3. Test Cases</h3>
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<p class='phone'>ACTION-163?</p>
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<p class='irc'><<cite>trackbot</cite>> ACTION-163 --
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Raphaël Troncy to send a resolution on handling non-existing or
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illegal fragments to the mailinglist -- due 2010-05-19 --
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OPEN</p>
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<p class='irc'><<cite>trackbot</cite>> <a href=
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"http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/163">
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http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/163</a></p>
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<p class='phone'>close ACTION-163</p>
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<p class='irc'><<cite>trackbot</cite>> ACTION-163 Send a
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resolution on handling non-existing or illegal fragments to the
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mailinglist closed</p>
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<p class='phone'><cite>Raphael:</cite> see <a href=
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"http://lists.w3.org/Archives/Public/public-media-fragment/2010May/0031.html">
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http://lists.w3.org/Archives/Public/public-media-fragment/2010May/0031.html</a></p>
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<p class='phone'><cite>Michael:</cite> no more work on corrib
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yet<br />
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... so I would still need one week to complete and give the
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ball to Erik</p>
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<p class='phone'><cite>Raphael:</cite> what is the plan
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exactly?</p>
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<p class='phone'>ACTION-146?</p>
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<p class='irc'><<cite>trackbot</cite>> ACTION-146 -- Jack
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Jansen to identify and add in corrib any missing test cases for
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temporal fragments -- due 2010-03-03 -- OPEN</p>
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<p class='irc'><<cite>trackbot</cite>> <a href=
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"http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/146">
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http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/146</a></p>
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<p class='phone'><cite>Michael:</cite> the question is really,
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can we really have an automated test suite ?<br />
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... if not, then corrib is of little use</p>
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<p class='phone'><cite>Raphael:</cite> my proposal would be to
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change the action 146 assigned to Jack to a thorough review of
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<a href=
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"http://www.w3.org/2008/WebVideo/Fragments/wiki/TemporalDimension">
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http://www.w3.org/2008/WebVideo/Fragments/wiki/TemporalDimension</a><br />
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... then, someone needs to add them into Corrib</p>
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<p class='phone'><cite>Erik:</cite> I miss what can be
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automatized also</p>
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<p class='irc'><<cite>mhausenblas</cite>> <a href=
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"http://ld2sd.deri.org/corrib/corrib.php?export=v1-mediafrag&format=rdf-xml">
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http://ld2sd.deri.org/corrib/corrib.php?export=v1-mediafrag&format=rdf-xml</a></p>
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<p class='irc'><<cite>mhausenblas</cite>> <a href=
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"http://rdfa.digitalbazaar.com/test-suite/">http://rdfa.digitalbazaar.com/test-suite/</a></p>
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<p class='phone'><cite>Erik:</cite> I should talk to my
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implementers to see if this can be of use</p><a name="action01"
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id="action01"></a>
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<p class='irc'><<cite>scribe</cite>>
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<strong>ACTION:</strong> Erik to report to the group whether
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such an approach from RDFa test suite can be used for
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automatically testing the media fragment specification
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[recorded in <a href=
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"http://www.w3.org/2010/05/19-mediafrag-minutes.html#action01">http://www.w3.org/2010/05/19-mediafrag-minutes.html#action01</a>]</p>
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<p class='irc'><<cite>trackbot</cite>> Created ACTION-164
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- Report to the group whether such an approach from RDFa test
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suite can be used for automatically testing the media fragment
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specification [on Erik Mannens - due 2010-05-26].</p>
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<p class='irc'><<cite>mhausenblas</cite>> <a href=
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"http://ngrep.sourceforge.net/">http://ngrep.sourceforge.net/</a></p>
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<p class='irc'><<cite>silvia</cite>> ngrep or tcpdump are
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good tools for monitoring connections</p>
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<p class='phone'><cite>Silvia:</cite> I think whatever plugin
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you have for the browser, testing if the plugins does the real
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thing can only be tested with one of these tools</p>
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<p class='phone'><cite>Erik:</cite> maybe we can make a summer
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project for this</p>
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<p class='irc'><<cite>silvia</cite>> what you would
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require is a commandline tool that pulls in what is an expected
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HTTP exchange sequence from a media fragment request (which
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could come from corrib) and check with what actually goes over
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the wire</p>
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<p class='irc'><<cite>silvia</cite>> those tools can help
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with monitoring what actually goes over the wire</p>
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<h3 id="item04">4. AOB</h3>
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<p class='phone'><cite>Silvia:</cite> Let's discuss your email:
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<a href=
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"http://lists.w3.org/Archives/Public/public-media-fragment/2010May/0034.html">
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http://lists.w3.org/Archives/Public/public-media-fragment/2010May/0034.html</a></p>
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<p class='phone'><cite>Raphael:</cite> I think as soon as a
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fragment is requested, we cannot have a 200 answer, so MUST be
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a 206<br />
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... I think if there is a #t= ... then a Range request should
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be issued, even if the fragment happens to be the entire
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resource</p>
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<p class='irc'><<cite>mhausenblas</cite>> ok, re
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ACTION-147 - new people are added</p>
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<p class='irc'><<cite>mhausenblas</cite>> see <a href=
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"http://ld2sd.deri.org/corrib/sparql.php?query=SELECT+DISTINCT+%3Fs++FROM+%3Chttp%3A%2F%2Fwww.w3.org%2F2008%2FWebVideo%2FFragments%2FContributor%2F%3E+WHERE+">
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http://ld2sd.deri.org/corrib/sparql.php?query=SELECT+DISTINCT+%3Fs++FROM+%3Chttp%3A%2F%2Fwww.w3.org%2F2008%2FWebVideo%2FFragments%2FContributor%2F%3E+WHERE+</a>{%0D%0A++%3Fs+%3Fp+%3Fo+.%0D%0A}%0D%0ALIMIT+10&output=htmltab&jsonp=&key=&show_inline=1</p>
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<p class='phone'>You should put: <a href=
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"http://identi.ca/conradparker">http://identi.ca/conradparker</a>
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owl:sameAs <a href=
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"http://identi.ca/user/31499">http://identi.ca/user/31499</a></p>
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<p class='phone'><cite>scribe:</cite> <a href=
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"http://www.w3.org/2008/WebVideo/Fragments/Contributor/JackJansen">
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http://www.w3.org/2008/WebVideo/Fragments/Contributor/JackJansen</a>
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owl:sameAs <a href=
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"http://twitter.com/hackerjack60">http://twitter.com/hackerjack60</a></p>
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<p class='phone'>Controversial issue about #01 and #04 ...
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whether a range request should be send at all or not ?</p>
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<p class='phone'><cite>Raphael:</cite> I will mention this to
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Jack when he is reviewing the spec</p>
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<p class='phone'>Open Video Conference: <a href=
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"http://www.openvideoconference.org/?l=en">http://www.openvideoconference.org/?l=en</a></p>
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<p class='phone'><cite>Raphael:</cite> who should be there?
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should the group lobby there for implementations ?<br />
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... I think this is the MOST important event!</p>
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<p class='phone'><cite>Silvia:</cite> I will there, likely,
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organize a workshop (FOAM?)</p>
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<p class='irc'><<cite>silvia</cite>> FOMS</p>
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<p class='phone'><cite>Silvia:</cite> I can send announcement
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when I have news</p>
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<p class='irc'><<cite>silvia</cite>> I will organise a
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2-day FOMS workshop before OVC and 1 day hackday after OVC on
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the Sunday</p>
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<p class='phone'><cite>Raphael:</cite> deadline is June 7th ...
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we can propose a lecture / talk</p>
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<p class='irc'><<cite>erik</cite>> +1</p>
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<p class='phone'><cite>Silvia:</cite> we can have a f2f there
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... talk will be for a general audience</p>
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<p class='phone'>close ACTION-147</p>
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<p class='irc'><<cite>trackbot</cite>> ACTION-147 Add all
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MF WG members to corrib closed</p>
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<p class='irc'><<cite>silvia</cite>> bye</p>
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<p class='phone'>[meeting adjourned]</p>
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<p class='irc'><<cite>mhausenblas</cite>> happy birthday,
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erik !!</p>
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</div>
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<h2><a name="ActionSummary" id="ActionSummary">Summary of Action
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Items</a></h2><!-- Action Items -->
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<strong>[NEW]</strong> <strong>ACTION:</strong> Erik to report to
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the group whether such an approach from RDFa test suite can be
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used for automatically testing the media fragment specification
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[recorded in <a href=
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"http://www.w3.org/2010/05/19-mediafrag-minutes.html#action01">http://www.w3.org/2010/05/19-mediafrag-minutes.html#action01</a>]<br />
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<br />
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[End of minutes]<br />
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<hr />
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<address>
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Minutes formatted by David Booth's <a href=
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"http://dev.w3.org/cvsweb/~checkout~/2002/scribe/scribedoc.htm">
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scribe.perl</a> version 1.135 (<a href=
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"http://dev.w3.org/cvsweb/2002/scribe/">CVS log</a>)<br />
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$Date: 2010/05/19 10:20:21 $
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</address>
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<div class="diagnostics"></div>
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</body>
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</html>
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