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378 lines
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378 lines
14 KiB
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<title>Media Fragments Working Group Teleconference -- 26 Aug
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2009</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>26 Aug 2009</h2>
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<p><a href=
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'http://lists.w3.org/Archives/Public/public-media-fragment/2009Aug/0070.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/2009/08/26-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>Yves, Michael, Silvia, Davy, Raphael_(partial)</dd>
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<dt>Regrets</dt>
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<dd>Conrad, Thierry</dd>
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<dt>Chair</dt>
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<dd>Yves, Raphael</dd>
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<dt>Scribe</dt>
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<dd>Davy</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. UC & REQUIREMENTS</a></li>
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<li><a href="#item03">TEST CASES</a></li>
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<li><a href="#item04">ISSUES</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: 26 August
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2009</p>
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<p class='irc'><<cite>raphael</cite>> Regret+ Erik</p>
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<p class='irc'><<cite>raphael</cite>> Regret+: Erik</p>
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<p class='irc'><<cite>nessy</cite>> zakim: mute me</p>
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<p class='irc'><<cite>raphael</cite>> Scribe: Davy</p>
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<p class='irc'><<cite>raphael</cite>> scribenick:
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davy</p>
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<h3 id="item01">1. ADMIN</h3>
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<p class='phone'>accept minutes <a href=
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"http://www.w3.org/2009/08/12-mediafrag-minutes.html">http://www.w3.org/2009/08/12-mediafrag-minutes.html</a></p>
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<p class='phone'><a href=
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"http://www.w3.org/2009/08/19-mediafrag-minutes.html?">http://www.w3.org/2009/08/19-mediafrag-minutes.html?</a></p>
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<p class='irc'><<cite>mhausenblas</cite>> +1</p>
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<p class='irc'><<cite>raphael</cite>> +1</p>
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<p class='phone'>+1</p>
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<p class='irc'><<cite>Yves</cite>> +1</p>
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<p class='irc'><<cite>silvia</cite>> +1</p>
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<p class='phone'>minutes accepted</p>
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<p class='phone'><cite>raphael:</cite> next WG gathering</p>
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<p class='phone'>physical F2F will not take place</p>
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<p class='phone'><cite>scribe:</cite> I suggest a virtual
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meeting</p><a name="action01" id="action01"></a>
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<p class='irc'><<cite>scribe</cite>>
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<strong>ACTION:</strong> raphael to setup a doodle poll
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regarding availability for virtual F2F teleconf [recorded in
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<a href=
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"http://www.w3.org/2009/08/26-mediafrag-minutes.html#action01">http://www.w3.org/2009/08/26-mediafrag-minutes.html#action01</a>]</p>
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<p class='irc'><<cite>trackbot</cite>> Sorry, couldn't
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find user - raphael</p><a name="action02" id="action02"></a>
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<p class='irc'><<cite>scribe</cite>>
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<strong>ACTION:</strong> rapha�l to setup a doodle poll
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regarding availability for virtual F2F teleconf [recorded in
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<a href=
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"http://www.w3.org/2009/08/26-mediafrag-minutes.html#action02">http://www.w3.org/2009/08/26-mediafrag-minutes.html#action02</a>]</p>
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<p class='irc'><<cite>trackbot</cite>> Sorry, couldn't
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find user - rapha�l</p>
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<p class='irc'><<cite>raphael</cite>> trackbot,
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status</p><a name="action03" id="action03"></a>
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<p class='irc'><<cite>scribe</cite>>
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<strong>ACTION:</strong> Rapha�l to setup a doodle poll
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regarding availability for virtual F2F teleconf [recorded in
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<a href=
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"http://www.w3.org/2009/08/26-mediafrag-minutes.html#action03">http://www.w3.org/2009/08/26-mediafrag-minutes.html#action03</a>]</p>
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<p class='irc'><<cite>trackbot</cite>> Sorry, couldn't
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find user - Rapha�l</p>
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<p class='irc'><<cite>mhausenblas</cite>> Michael: I know
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of <a href="http://tinychat.com/">http://tinychat.com/</a> and
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<a href=
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"http://www.webex.com/">http://www.webex.com/</a></p><a name=
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"action04" id="action04"></a>
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<p class='irc'><<cite>scribe</cite>>
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<strong>ACTION:</strong> Raphaël to setup a doodle poll
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regarding availability for virtual F2F telecon [recorded in
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<a href=
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"http://www.w3.org/2009/08/26-mediafrag-minutes.html#action04">http://www.w3.org/2009/08/26-mediafrag-minutes.html#action04</a>]</p>
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<p class='irc'><<cite>trackbot</cite>> Created ACTION-100
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- Setup a doodle poll regarding availability for virtual F2F
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telecon [on Raphaël Troncy - due 2009-09-02].</p>
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<h3 id="item02">2. UC & REQUIREMENTS</h3>
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<p class='phone'>action-95?</p>
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<p class='irc'><<cite>trackbot</cite>> ACTION-95 --
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Michael Hausenblas to review the new UC written by Silvia and
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check whether it will cover a mobile usage -- due 2009-08-19 --
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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/95">http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/95</a></p>
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<p class='phone'><cite>mhausenblas:</cite> what do others think
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about mobile UC?<br />
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... we need browser builders, mobile world will be interested
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in fragments<br />
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... will go through the use cases with my mobile glasses</p>
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<p class='phone'><cite>raphael:</cite> regarding aspect
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ratio<br />
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... if we want to keep this feature, we should have a
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motivation for it</p>
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<p class='phone'><cite>silvia:</cite> I don't think it has
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anything to do with a fragment<br />
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... should be removed</p>
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<p class='phone'><cite>Yves:</cite> UC is not really targetted
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at browsers, example of setop box, where you don't have access
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to tools for fitting the video into the screen<br />
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... will be more useful for the '?', not for fragments
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('#')</p><a name="action05" id="action05"></a>
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<p class='phone'><cite>Yves:</cite> more generally, everything that requires transcoding might be available only under the ? scheme but not # (ie: sub-resources and not fragment)</p>
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<p class='irc'><<cite>scribe</cite>>
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<strong>ACTION:</strong> Yves to write a UC describing the use
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of aspect ratio feature [recorded in <a href=
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"http://www.w3.org/2009/08/26-mediafrag-minutes.html#action05">http://www.w3.org/2009/08/26-mediafrag-minutes.html#action05</a>]</p>
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<p class='irc'><<cite>trackbot</cite>> Created ACTION-101
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- Write a UC describing the use of aspect ratio feature [on
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Yves Lafon - due 2009-09-02].</p>
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<h3 id="item03">TEST CASES</h3>
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<p class='irc'><<cite>mhausenblas</cite>> <a href=
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"http://www.w3.org/2008/WebVideo/Fragments/wiki/TestCases">http://www.w3.org/2008/WebVideo/Fragments/wiki/TestCases</a></p>
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<p class='phone'><cite>mhausenblas:</cite> updated various
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TCs<br />
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... and added 3 new TCs</p>
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<p class='irc'><<cite>mhausenblas</cite>> TC0008</p>
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<p class='phone'><cite>Yves:</cite> we should talk with people
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from Google</p>
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<p class='phone'><cite>silvia:</cite> if there was a standard,
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they would have used it<br />
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... they will probably adopt our spec</p>
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<p class='phone'><cite>Yves:</cite> should we add the
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minutes/seconds spec to our spec, even if this will
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overlap?</p>
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<p class='phone'><cite>silvia:</cite> we could add the youtube
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timespec and use it as default</p>
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<p class='phone'><cite>Yves:</cite> we should discuss this on
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the mailinglist<br />
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... regarding Jack's objection (<a href=
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"http://lists.w3.org/Archives/Public/public-media-fragment/2009Aug/0013.html)">http://lists.w3.org/Archives/Public/public-media-fragment/2009Aug/0013.html)</a><br />
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... time and space is always present in a video, while track or
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id will not always be available<br />
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... reason for having two kinds of behaviour</p>
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<p class='phone'><cite>jackjansen:</cite> don't see the
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advantage in returning the whole resource in case of a
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non-existing track or id</p>
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<p class='irc'><<cite>silvia</cite>> <a href=
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"http://www.w3.org/2008/WebVideo/Fragments/wiki/TestCases">http://www.w3.org/2008/WebVideo/Fragments/wiki/TestCases</a></p>
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<p class='phone'><cite>jackjansen:</cite> wiki version seems
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now right, different from the minutes</p>
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<p class='irc'><<cite>silvia</cite>> <a href=
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"http://www.w3.org/2009/08/12-mediafrag-minutes.html">http://www.w3.org/2009/08/12-mediafrag-minutes.html</a></p>
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<p class='irc'><<cite>mhausenblas</cite>> <a href=
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"http://www.w3.org/2009/08/12-mediafrag-minutes.html#item03">http://www.w3.org/2009/08/12-mediafrag-minutes.html#item03</a></p>
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<p class='phone'><cite>silvia:</cite> TC0005 should return a
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200<br />
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... same for TC0006<br />
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... I agree with Yves, maybe we should change 'empty
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track/named segment' to 'undefined track/named segment'</p>
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<p class='phone'><cite>mhausenblas:</cite> we should write a
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small introduction with information regarding our
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terminology<br />
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... 3 cases<br />
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... empty, undefined, or non-existent</p>
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<p class='phone'><cite>jackjansen:</cite> non-existent can only
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be verified by looking at the media</p>
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<p class='irc'><<cite>silvia</cite>> (run-time
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analysis)</p>
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<p class='phone'><cite>jackjansen:</cite> empty and undefined
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can be verified by looking at the URI</p>
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<p class='irc'><<cite>Yves</cite>> TC for
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#xywh=1920,1200,1,1 for a 640x480 picture ?</p>
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<p class='phone'><cite>jackjansen:</cite> there is no way to
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give an undefined space segment</p>
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<p class='phone'><cite>Yves:</cite> because space and time are
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always present in a video</p>
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<p class='irc'><<cite>Yves</cite>> TC for #t=20,30 for a
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10s video</p>
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<p class='phone'><cite>jackjansen:</cite> what about partially
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existing?<br />
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... we should have a TC for that</p>
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<p class='phone'><cite>mhausenblas:</cite> two additional
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cases: existing and partially existing</p>
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<p class='irc'><<cite>Yves</cite>> use the numbers as a
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bitmask</p>
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<p class='phone'><cite>mhausenblas:</cite> tool support for TC
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organization?</p>
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<p class='irc'><<cite>mhausenblas</cite>> like <a href=
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"http://rdfa.digitalbazaar.com/rdfa-test-harness/">http://rdfa.digitalbazaar.com/rdfa-test-harness/</a></p>
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<h3 id="item04">ISSUES</h3>
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<p class='phone'>ISSUE-9?</p>
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<p class='irc'><<cite>trackbot</cite>> ISSUE-9 -- Should
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we have the media type inside the Test Cases? -- 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/issues/9">http://www.w3.org/2008/WebVideo/Fragments/tracker/issues/9</a></p>
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<p class='phone'><cite>mhausenblas:</cite> if we want to run a
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real test harness, we have to know the media type of the media
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used</p>
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<p class='phone'><cite>silvia:</cite> wait until we have some
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reference implementations, then we will see format-specific
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issues</p>
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<p class='phone'>adjourned</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> raphael to setup
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a doodle poll regarding availability for virtual F2F teleconf
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[recorded in <a href=
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"http://www.w3.org/2009/08/26-mediafrag-minutes.html#action01">http://www.w3.org/2009/08/26-mediafrag-minutes.html#action01</a>]<br />
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<strong>[NEW]</strong> <strong>ACTION:</strong> Raphaël to setup
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a doodle poll regarding availability for virtual F2F telecon
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[recorded in <a href=
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"http://www.w3.org/2009/08/26-mediafrag-minutes.html#action04">http://www.w3.org/2009/08/26-mediafrag-minutes.html#action04</a>]<br />
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<strong>[NEW]</strong> <strong>ACTION:</strong> rapha�l to setup
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a doodle poll regarding availability for virtual F2F teleconf
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[recorded in <a href=
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"http://www.w3.org/2009/08/26-mediafrag-minutes.html#action02">http://www.w3.org/2009/08/26-mediafrag-minutes.html#action02</a>]<br />
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<strong>[NEW]</strong> <strong>ACTION:</strong> Rapha�l to setup
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a doodle poll regarding availability for virtual F2F teleconf
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[recorded in <a href=
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"http://www.w3.org/2009/08/26-mediafrag-minutes.html#action03">http://www.w3.org/2009/08/26-mediafrag-minutes.html#action03</a>]<br />
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<strong>[NEW]</strong> <strong>ACTION:</strong> Yves to write a
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UC describing the use of aspect ratio feature [recorded in
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<a href=
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"http://www.w3.org/2009/08/26-mediafrag-minutes.html#action05">http://www.w3.org/2009/08/26-mediafrag-minutes.html#action05</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: 2009/08/26 15:08:31 $
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</address>
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</body>
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</html>
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