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<title>Media Fragments Working Group Teleconference -- 25 Mar
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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>25 Mar 2009</h2>
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<p><a href=
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'http://lists.w3.org/Archives/Public/public-media-fragment/2009Mar/0057.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/2009/03/25-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>Thierry, Yves, Jack, Davy, Raphael</dd>
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<dt>Regrets</dt>
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<dd>Erik</dd>
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<dt>Chair</dt>
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<dd>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">4. 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: 25 March
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2009</p>
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<p class='irc'><<cite>Gui</cite>> +regrets Gui</p>
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<p class='phone'>Hi Guillaume, you cannot make the telecon?</p>
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<p class='phone'>Yves, try to dial another number?</p>
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<p class='irc'><<cite>scribe</cite>> scribenick:
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raphael</p>
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<p class='phone'>Topic 1. ADMIN</p>
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<p class='phone'>Propose to accept the minutes of last
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telecon?</p>
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<p class='phone'><cite>All:</cite> accept without changes</p>
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<p class='phone'><strong class='resolution'>RESOLUTION: minutes
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accepted</strong></p>
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<p class='phone'>Topic 2. F2F meeting</p>
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<p class='phone'><cite>Raphael:</cite> we need to discuss the
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agenda, build it together<br />
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... what are your objectives?</p>
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<p class='phone'><cite>Jack:</cite> it would be good if we
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could discuss concrete implementations<br />
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... mine could be ready, if we clarify the range unit
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syntax<br />
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... then it is a 1/2 day coding</p>
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<p class='phone'><cite>Raphael:</cite> my expectation would be
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also to discuss test cases, and of course the main document</p>
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<p class='phone'><cite>Yves:</cite> we need to build a story
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around the 4-ways handshake<br />
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... also talk about the link header</p>
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<p class='phone'>Topic 3. Main Document</p>
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<p class='phone'>3.1: Syntax</p>
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<p class='phone'>ACTION-46?</p>
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<p class='irc'><<cite>trackbot</cite>> ACTION-46 -- Yves
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Lafon to check the formal validity of the grammar -- due
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2009-03-25 -- 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/46">http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/46</a></p>
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<p class='phone'>close ACTION-46</p>
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<p class='irc'><<cite>trackbot</cite>> ACTION-46 Check
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the formal validity of the grammar closed</p>
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<p class='phone'><cite>Yves:</cite> I have built a small parser
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in java / cc that validates the grammar<br />
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... no mistake in the grammar</p>
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<p class='phone'>3.2 Use Cases and requirements</p>
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<p class='phone'>Silvia and Guillaume will finish it by the end
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of this week</p>
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<p class='phone'>3.3 Technology Survey</p>
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<p class='phone'>Erik would like to know if he could take
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action to improve this section</p>
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<p class='phone'><cite>Raphael:</cite> what changes can we
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bring?<br />
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... I think for example that the formal grammar of TimedText is
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unnecessary</p>
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<p class='phone'><cite>Jack:</cite> what about a companion
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document ?<br />
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... I would suggest summarize the wiki page in the main
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document<br />
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... and provide an informative reference to the complete wiki
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page<br />
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... I would like to have this technology survey perhaps
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published as a Working Group note since I find it useful</p>
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<p class='phone'><cite>Davy:</cite> 5.1 should be in the ref
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section</p>
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<p class='phone'><cite>Raphael:</cite> yes, the examples come
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actually from 5.3</p><a name="action01" id="action01"></a>
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<p class='irc'><<cite>scribe</cite>>
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<strong>ACTION:</strong> Erik to summarize the content of the
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wiki page to put in the main document, with few examples and a
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short story [recorded in <a href=
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"http://www.w3.org/2009/03/25-mediafrag-minutes.html#action01">http://www.w3.org/2009/03/25-mediafrag-minutes.html#action01</a>]</p>
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<p class='irc'><<cite>trackbot</cite>> Created ACTION-51
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- Summarize the content of the wiki page to put in the main
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document, with few examples and a short story [on Erik Mannens
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- due 2009-04-01].</p>
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<p class='phone'>3.4 HTTP implementation</p>
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<p class='phone'><cite>Raphael:</cite> I would like to replace
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all the examples with the real videos Jack took in
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Ghent</p><a name="action02" id="action02"></a>
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<p class='irc'><<cite>scribe</cite>>
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<strong>ACTION:</strong> Raphael to replace all examples in the
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wiki page with the video Jack took [recorded in <a href=
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"http://www.w3.org/2009/03/25-mediafrag-minutes.html#action02">http://www.w3.org/2009/03/25-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 - Raphael</p>
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<p class='phone'>trackbot, status</p><a name="action03" id=
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"action03"></a>
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<p class='irc'><<cite>scribe</cite>>
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<strong>ACTION:</strong> Rapha�l to replace all examples in the
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wiki page with the video Jack took [recorded in <a href=
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"http://www.w3.org/2009/03/25-mediafrag-minutes.html#action03">http://www.w3.org/2009/03/25-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><a name="action04" id="action04"></a>
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<p class='irc'><<cite>scribe</cite>>
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<strong>ACTION:</strong> Raphaël to replace all examples in the
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wiki page with the video Jack took [recorded in <a href=
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"http://www.w3.org/2009/03/25-mediafrag-minutes.html#action04">http://www.w3.org/2009/03/25-mediafrag-minutes.html#action04</a>]</p>
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<p class='irc'><<cite>trackbot</cite>> Created ACTION-52
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- Replace all examples in the wiki page with the video Jack
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took [on Raphaël Troncy - due 2009-04-01].</p>
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<p class='phone'>ACTION-49?</p>
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<p class='irc'><<cite>trackbot</cite>> ACTION-49 -- Yves
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Lafon to draft the HTTP-Range syntax for different units
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(completing all the syntax for the two way handshake) -- due
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2009-03-25 -- 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/49">http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/49</a></p>
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<p class='phone'><cite>Yves:</cite> I will definitively make
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that before the f2f<br />
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... starts with seconds first, so to not block
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implementation</p>
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<p class='phone'><cite>Jack:</cite> do you want to copy the
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movies on the W3C server?</p>
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<p class='phone'><cite>Raphael:</cite> yes, to have permanent
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URI for these resources<br />
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... which format we will use? mp4, ogg?</p>
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<p class='phone'><cite>Jack:</cite> ffmpeg should be able to
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slice the movie, need to check</p>
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<p class='phone'><cite>Davy:</cite> we have a piece of software
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that should be able to slice a media file independantly of the
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codec format<br />
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... I will demo this software during the f2f meeting</p>
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<p class='phone'><cite>Yves:</cite> media.w3.org works on
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Apache, would be good to check for deployment</p><a name=
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"action05" id="action05"></a>
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<p class='irc'><<cite>scribe</cite>>
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<strong>ACTION:</strong> Jack to check whether ffmpeg can slide
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movies easily, need for implementation on client and server
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side [recorded in <a href=
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"http://www.w3.org/2009/03/25-mediafrag-minutes.html#action05">http://www.w3.org/2009/03/25-mediafrag-minutes.html#action05</a>]</p>
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<p class='irc'><<cite>trackbot</cite>> Created ACTION-53
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- Check whether ffmpeg can slide movies easily, need for
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implementation on client and server side [on Jack Jansen - due
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2009-04-01].</p>
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<p class='phone'><cite>Yves:</cite> also consider the file://
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protocol, everything on client</p>
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<p class='phone'><cite>Davy:</cite> I'm also experimenting to
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provide a RTSP implementation<br />
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... I could report my current work at the f2f meeting</p>
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<h3 id="item01">4. Issues</h3>
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<p class='phone'><cite>Raphael:</cite> we cannot discuss them,
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since neither Michael nor Silvia are here</p>
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<p class='irc'><<cite>raphael_</cite>> meeting will be
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back at the normal hour next week</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 summarize
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the content of the wiki page to put in the main document, with
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few examples and a short story [recorded in <a href=
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"http://www.w3.org/2009/03/25-mediafrag-minutes.html#action01">http://www.w3.org/2009/03/25-mediafrag-minutes.html#action01</a>]<br />
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<strong>[NEW]</strong> <strong>ACTION:</strong> Jack to check
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whether ffmpeg can slide movies easily, need for implementation
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on client and server side [recorded in <a href=
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"http://www.w3.org/2009/03/25-mediafrag-minutes.html#action05">http://www.w3.org/2009/03/25-mediafrag-minutes.html#action05</a>]<br />
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<strong>[NEW]</strong> <strong>ACTION:</strong> Raphael to
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replace all examples in the wiki page with the video Jack took
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[recorded in <a href=
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"http://www.w3.org/2009/03/25-mediafrag-minutes.html#action02">http://www.w3.org/2009/03/25-mediafrag-minutes.html#action02</a>]<br />
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<strong>[NEW]</strong> <strong>ACTION:</strong> Raphaël to
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replace all examples in the wiki page with the video Jack took
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[recorded in <a href=
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"http://www.w3.org/2009/03/25-mediafrag-minutes.html#action04">http://www.w3.org/2009/03/25-mediafrag-minutes.html#action04</a>]<br />
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<strong>[NEW]</strong> <strong>ACTION:</strong> Rapha�l to
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replace all examples in the wiki page with the video Jack took
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[recorded in <a href=
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"http://www.w3.org/2009/03/25-mediafrag-minutes.html#action03">http://www.w3.org/2009/03/25-mediafrag-minutes.html#action03</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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scribe.perl</a> version 1.135 (<a href=
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$Date: 2009/03/25 09:45:24 $
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