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[homepage.git] / blog / archive / 2008 / 12 / 12.rss

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@@ -216,5 +216,38 @@ stavekontrollen.</p>
 </description>
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+       <item>
+               <title>Software video mixer on a USB stick</title>
+               <link>../../../Software_video_mixer_on_a_USB_stick.html</link>        
+               <guid isPermaLink="true">../../../Software_video_mixer_on_a_USB_stick.html</guid>
+                <pubDate>Sun, 28 Dec 2008 15:40:00 +0100</pubDate>
+               <description>
+&lt;p&gt;The &lt;a href=&quot;http://www.nuug.no/&quot;&gt;Norwegian Unix User Group&lt;/a&gt; is
+recording our montly presentation on video, and recently we have
+worked on improving the quality of the recordings by mixing the slides
+directly with the video stream.  For this, we use the
+&lt;a href=&quot;http://dvswitch.alioth.debian.org/&quot;&gt;dvswitch&lt;/a&gt; package from
+the Debian video team.  As this require quite one computer per video
+source, and NUUG do not have enough laptops available, we need to
+borrow laptops.  And to avoid having to install extra software on
+these borrwed laptops, I have wrapped up all the programs needed on a
+bootable USB stick.  The software required is dvswitch with assosiated
+source, sink and mixer applications and
+&lt;a href=&quot;http://www.kinodv.org/&quot;&gt;dvgrab&lt;/a&gt;.  To allow this setup to
+work without any configuration, I&#39;ve patched dvswitch to use
+&lt;a href=&quot;http://www.avahi.org/&quot;&gt;avahi&lt;/a&gt; to connect the various parts
+together.  And to allow us to use laptops without firewire plugs, I
+upgraded dvgrab to the one from Debian/unstable to get one that work
+with USB sources.  We have not yet tested this setup in a production
+setup, but I hope it will work properly, and allow us to set up a
+video mixer in a very short time frame.  We will need it for
+&lt;a href=&quot;http://www.goopen.no/&quot;&gt;Go Open 2009&lt;/a&gt;.&lt;/p&gt;
+
+&lt;p&gt;&lt;a href=&quot;http://www.nuug.no/pub/video/bin/usbstick-dvswitch.img.gz&quot;&gt;The
+USB image&lt;/a&gt; is for a 1 GB memory stick, but can be used on any
+larger stick as well.&lt;/p&gt;
+</description>
+       </item>
+       
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