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412 lines
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412 lines
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<title>Media Fragments Working Group Teleconference -- 19 Jan
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2011</title>
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<h1>Media Fragments Working Group Teleconference</h1>
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<h2>19 Jan 2011</h2>
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<p><a href=
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'http://lists.w3.org/Archives/Public/public-media-fragment/2011Jan/0027.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/2011/01/19-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>raphael, Yves, +329331aaaa, Erik, Davy, +31.20.592.aabb,
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Jack</dd>
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<dt>Regrets</dt>
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<dd>Thomas, Silvia</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>yves</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">spec</a></li>
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<li><a href="#item03">HTML WG liaison</a></li>
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<li><a href="#item04">Implementation</a></li>
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<li><a href="#item05">Open issues</a></li>
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<li><a href="#item06">test cases</a></li>
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<li><a href="#item07">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 January
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2011</p>
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<p class='irc'><<cite>raphael</cite>> Regets: Thomas,
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Silvia</p>
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<h3 id="item01">1. Admin</h3>
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<p class='phone'>damn!</p>
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<p class='irc'><<cite>raphael</cite>> scribe: yves</p>
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<p class='irc'><<cite>raphael</cite>> scribenick:
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Yves</p>
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<p class='phone'>approval of last week minutes</p>
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<p class='irc'><<cite>raphael</cite>> +1</p>
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<p class='irc'><<cite>Yves</cite>> +1</p>
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<p class='irc'><<cite>davy</cite>> +1</p>
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<p class='phone'><strong class='resolution'>RESOLUTION: minutes
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approved <a href=
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"http://www.w3.org/2011/01/12-mediafrag-minutes.html">http://www.w3.org/2011/01/12-mediafrag-minutes.html</a></strong></p>
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<h3 id="item02">spec</h3>
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<p class='phone'>Philip sent some patches that needs to be
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incorporated in the spec</p>
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<p class='phone'>As we did lots of changes, we need another LC
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(that will be short).</p>
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<p class='phone'>I would like that we decide on the LC next
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week</p>
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<p class='phone'>aiming for 3 weeks review time</p>
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<p class='phone'>any objection with the plan?</p>
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<p class='irc'><<cite>erik</cite>> no</p>
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<p class='irc'><<cite>hackerjack</cite>> no</p>
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<p class='phone'><cite>Davy:</cite> do I have to include RTSP
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in the spec before next week?</p>
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<p class='phone'><cite>Raphael:</cite> yes</p>
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<p class='phone'><cite>Davy:</cite> I will try</p>
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<p class='phone'>document changed a lot in december but not a
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lot since then</p>
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<p class='phone'>we need to rephrase slightly the part of the
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spec about SMPTE timecodes</p>
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<p class='phone'>also new video codec don't have fixed
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framerates, we need to address that</p>
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<p class='phone'><cite>jack:</cite> 99.99% of existing movies
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files will have fixed framerate even if the format allows
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dynamic framerate</p>
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<p class='phone'><cite>raphael:</cite> we need to address this
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case</p>
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<p class='phone'><cite>Jack:</cite> starting to rethink my
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position on that issue, it makes sense to present the whole
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fragment in that case</p>
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<p class='phone'>should it be implementation notes?</p>
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<p class='phone'><cite>Raphael:</cite> in the final document,
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the things that we may remove because of lack of implementation
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might go in a non-normative appendix</p>
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<p class='phone'><cite>Yves:</cite> fine as long as it is clear
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that it's not normative and there because of lack of
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implementation</p>
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<p class='phone'><cite>Davy:</cite> variable framerate is
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usually not implemented as the encoder needs to communicate
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with the packager, and not sure it's implemented now. Also
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SMPTE time codes at a frame-basis should be there</p>
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<p class='phone'><cite>Jack:</cite> how about implemetation
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?</p>
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<p class='phone'><cite>Davy:</cite> might try to get one at
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least partial</p>
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<p class='phone'><cite>Jack:</cite> if people are interested in
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that, they should demonstrate their interest with code, even if
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it's a toy implementation</p>
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<p class='phone'><cite>Raphael:</cite> would like to invite
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Addison to discuss issue 17 about IRI and track names</p>
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<p class='phone'>would feb 2 be ok? (ie: get critical mass
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here)</p>
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<p class='irc'><<cite>raphael</cite>> I18N discussion:
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<a href=
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"http://lists.w3.org/Archives/Public/public-media-fragment/2010Jun/0056.html">
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http://lists.w3.org/Archives/Public/public-media-fragment/2010Jun/0056.html</a></p>
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<p class='phone'><cite>raphael:</cite> we also need to dedicate
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a complete telcon on test cases.</p>
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<p class='phone'><cite>erik:</cite> will issue 19 be solved by
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next week?</p>
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<p class='phone'><cite>raphael:</cite> yes</p>
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<h3 id="item03">HTML WG liaison</h3>
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<p class='irc'><<cite>raphael</cite>> Bug: <a href=
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"http://www.w3.org/Bugs/Public/show_bug.cgi?id=10723">http://www.w3.org/Bugs/Public/show_bug.cgi?id=10723</a></p>
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<p class='phone'>Bug was rejected because it was multiple
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things in one bug, Silvia had an AI to open several bugs</p>
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<p class='irc'><<cite>raphael</cite>> I have been dropped
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:-(</p>
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<p class='phone'><cite>Yves:</cite> only the last one about
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having to stop at the end of the fragment needs reopening</p>
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<h3 id="item04">Implementation</h3>
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<p class='phone'>action 204 will be dropped</p>
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<p class='irc'><<cite>trackbot</cite>> Sorry, couldn't
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find user - 204</p>
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<p class='phone'>the header syntax should be checked in the
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tests</p>
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<h3 id="item05">Open issues</h3>
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<p class='phone'>RTSP will be added soon</p>
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<h3 id="item06">test cases</h3>
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<p class='phone'>Davy has some updates on that front</p>
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<p class='irc'><<cite>raphael</cite>> drop ACTION-204</p>
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<p class='irc'><<cite>davy</cite>> <a href=
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"http://lists.w3.org/Archives/Public/public-media-fragment/2011Jan/0025.html">
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http://lists.w3.org/Archives/Public/public-media-fragment/2011Jan/0025.html</a></p>
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<p class='irc'><<cite>davy</cite>> <a href=
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"http://www.w3.org/2008/WebVideo/Fragments/TC/server-test-cases">
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http://www.w3.org/2008/WebVideo/Fragments/TC/server-test-cases</a></p>
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<p class='irc'><<cite>davy</cite>> <a href=
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"http://www.w3.org/2008/WebVideo/Fragments/TC/server-test-cases">
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http://www.w3.org/2008/WebVideo/Fragments/TC/server-test-cases</a></p>
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<p class='irc'><<cite>davy</cite>> <a href=
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"http://www.w3.org/2008/WebVideo/Fragments/TC/ua-test-cases">http://www.w3.org/2008/WebVideo/Fragments/TC/ua-test-cases</a></p>
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<p class='phone'><cite>raphael:</cite> wondering about
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server-side tests</p>
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<p class='phone'><cite>davy:</cite> we need extra test cases,
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yes<br />
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... but we have the template for test cases</p>
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<p class='phone'><cite>Raphael:</cite> there are two things to
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check, URI parsed as it should and HTTP request sent as it
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should, and the second point is to verify the behaviour
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(graphical)</p>
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<p class='phone'><cite>jack:</cite> if we have a client saving
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the file, we can do automatic testing</p>
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<p class='phone'><cite>Yves:</cite> but there are things that
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we can't test that way (like displaying the complete
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timeline)</p>
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<p class='phone'><cite>Raphael:</cite> a few things needs to
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check manually, which is fine</p>
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<p class='phone'><cite>Jack:</cite> we need to check what SVG
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or CSS people are doing to test graphical output<br />
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... also if the number of manually tests is small...</p>
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<p class='phone'>s/manually tests/manually verifiable
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tests/</p>
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<p class='phone'><cite>Jack:</cite> the first thing is to
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review all the current tests</p>
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<p class='phone'><cite>Davy:</cite> we have also an issue with
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sources for tests</p>
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<p class='phone'><cite>Raphael:</cite> can we make files or is
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transcoding too difficult?</p>
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<p class='phone'><cite>Jack:</cite> ffmpeg might help there</p>
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<p class='phone'><cite>Raphael:</cite> please ask on the
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ML.</p>
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<p class='irc'><<cite>hackerjack</cite>> yes</p>
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<h3 id="item07">AOB?</h3>
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<p class='irc'><<cite>raphael</cite>> One question:
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should we use one of the movies in the spec and in the test
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cases ?</p>
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<p class='phone'><cite>Raphael:</cite> should we use in the
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test cases one of the movies we have in the agenda? (ie: one
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with the right license)</p>
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<p class='irc'><<cite>raphael</cite>> * Sintel: <a href=
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"http://www.youtube.com/watch?v=ac7KhViaVqc">http://www.youtube.com/watch?v=ac7KhViaVqc</a></p>
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<p class='irc'><<cite>raphael</cite>> ** longer version,
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<a href=
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"http://www.youtube.com/watch?v=eRsGyueVLvQ">http://www.youtube.com/watch?v=eRsGyueVLvQ</a></p>
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<p class='irc'><<cite>raphael</cite>> * Big Bunny:
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<a href=
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"http://www.youtube.com/watch?v=XSGBVzeBUbk">http://www.youtube.com/watch?v=XSGBVzeBUbk</a></p>
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<p class='irc'><<cite>raphael</cite>> * The Elephant
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Dreams: <a href=
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"http://www.archive.org/details/ElephantsDream">http://www.archive.org/details/ElephantsDream</a></p>
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<p class='irc'><<cite>hackerjack</cite>> I would prefer
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not to use the suggested movies</p>
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<p class='irc'><<cite>davy</cite>> <a href=
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"http://www.w3.org/2008/WebVideo/Fragments/media/spatial_30fps.webm">
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http://www.w3.org/2008/WebVideo/Fragments/media/spatial_30fps.webm</a>
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?</p>
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<p class='phone'><cite>Jack:</cite> we should create synthetic
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movies, easier to do checking (like switching backgrounds on
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boundaries we are about to tests)</p>
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<p class='irc'><<cite>davy</cite>> <a href=
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"http://ninsuna.elis.ugent.be/Media/MFWG/TC/spatial_30fps.mp4?track=3;1">
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http://ninsuna.elis.ugent.be/Media/MFWG/TC/spatial_30fps.mp4?track=3;1</a></p>
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<p class='phone'><cite>erik:</cite> should we drop all the AI
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assigned to Michael?</p>
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<p class='phone'><cite>raphael:</cite> safe ot drop them</p>
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<p class='phone'><cite>Erik:</cite> we need to talk about use
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cases as well (from Shiraishi San)</p>
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<p class='irc'><<cite>Nobu</cite>> Thank you, I am on IRC
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now.</p>
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<p class='phone'><cite>Erik:</cite> also who is attending the
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workshop in Berlin?</p>
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<p class='phone'><cite>Raphael:</cite> no</p>
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<p class='phone'><cite>Erik:</cite> I should be there</p>
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<p class='phone'>ADJOURNED</p>
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<p class='irc'><<cite>Nobu</cite>> I</p>
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<p class='irc'><<cite>raphael</cite>> Nobu: we agree to
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continue the discussion on your use case on the mailing
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list</p>
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<p class='irc'><<cite>raphael</cite>> please, create a
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wiki page if you want</p>
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<p class='irc'><<cite>Nobu</cite>> I see, thanks.</p>
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<p class='irc'><<cite>raphael</cite>> The Use Cases and
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Requirements document is sort of "on hold" ... which means, we
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will update it at the end of the rec track process</p>
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<p class='irc'><<cite>raphael</cite>> * Sintel: <a href=
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"http://www.youtube.com/watch?v=ac7KhViaVqc">http://www.youtube.com/watch?v=ac7KhViaVqc</a></p>
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<p class='irc'><<cite>raphael</cite>> ** longer version,
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<a href=
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"http://www.youtube.com/watch?v=eRsGyueVLvQ">http://www.youtube.com/watch?v=eRsGyueVLvQ</a></p>
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<p class='irc'><<cite>raphael</cite>> * Big Bunny:
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<a href=
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"http://www.youtube.com/watch?v=XSGBVzeBUbk">http://www.youtube.com/watch?v=XSGBVzeBUbk</a></p>
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<p class='irc'><<cite>raphael</cite>> * The Elephant
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Dreams: <a href=
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"http://www.archive.org/details/ElephantsDream">http://www.archive.org/details/ElephantsDream</a></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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[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: 2011/01/19 11:16:47 $
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</address>
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<div class="diagnostics"></div>
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