blog/The_Norwegian_open_channel_Frikanalen___24x7_on_the_Internet.html

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   6     <title>Petter Reinholdtsen: The Norwegian open channel Frikanalen - 24x7 on the Internet</title>
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  14  <h1>
  15      <a href="http://people.skolelinux.org/pere/blog/">Petter Reinholdtsen</a>
  16
  17  </h1>
  18
  19 </div>
  20
  21
  22     <div class="entry">
  23       <div class="title">The Norwegian open channel Frikanalen - 24x7 on the Internet</div>
  24       <div class="date">25th February 2015</div>
  25       <div class="body"><p>The Norwegian nationwide open channel
  26 <a href="http://www.frikanalen.no/">Frikanalen</a> is still going
  27 strong.  It allow everyone to send the video they want on national
  28 television.  It is a TV station administrated completely using a web
  29 browser, running only <ahref="https://github.com/Frikanalen">Free
  30 Software</a>, providing <ahref="http://beta.frikanalen.tv/api">a REST
  31 api</a> for administrators and members, and with distribution on the
  32 national DVB-T distribution network RiksTV.  But only between 12:00
  33 and 17:30 Norwegian time.  This has finally changed, after many years
  34 with limited distribution.  A few weeks ago, we set up a Ogg Theora
  35 stream via icecast to allow everyone with Internet access to check out
  36 the channel the rest of the day.  This is presented on
  37 <a href="http://www.frikanalen.tv/se">the Frikanalen web site now</a>.  And
  38 since a few days ago, the channel is also available
  39 via <a href="https://www.uninett.no/iptv-tilgang">multicast on
  40 UNINETT</a>, available for those using IPTV TVs and set-top boxes in
  41 the Norwegian National Research and Education network.</p>
  42
  43 <p>If you want to see what is on the channel, point your media player
  44 to one of these sources.  The first should work with most players and
  45 browsers, while as far as I know, the multicast UDP stream only work
  46 with VLC.</p>
  47
  48 <ul>
  49   <li><a href="http://video.nuug.no/frikanalen.ogv">http://video.nuug.no/frikanalen.ogv</a></li>
  50   <li>udp://@224.17.43.129:1234</li>
  51 </ul>
  52
  53 <p>The Ogg Theora / icecast stream is not working well, as the video
  54 and audio is slightly out of sync.  We have not been able to figure
  55 out how to fix it.  It is generated by recoding a internal MPEG
  56 transport stream with MPEG4 coded video (ie H.264) to Ogg Theora /
  57 Vorbis, and the result is less then stellar.  If you have ideas how to
  58 fix it, please let us know on frikanalen (at) nuug.no.  We currently
  59 use this with ffmpeg2theora 0.29:</p>
  60
  61 <blockquote><pre>
  62 ./ffmpeg2theora.linux &lt;OBE_gemini_URL.ts&gt; -F 25 -x 720 -y 405 \
  63  --deinterlace --inputfps 25 -c 1 -H 48000 --keyint 8 --buf-delay 100 \
  64  --nosync -V 700 -o - | oggfwd video.nuug.no 8000 &lt;pw&gt; /frikanalen.ogv
  65 </pre></blockquote>
  66
  67 <p>If you get the multicast UDP stream working, please let me know, as
  68 I am curious how far the multicast stream reach.  It do not make it to
  69 my home network, nor any other commercially available network in
  70 Norway that I am aware of.</p>
  71 </div>
  72
  73       <div class="tags">Tags: <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>, <a href="http://people.skolelinux.org/pere/blog/tags/frikanalen">frikanalen</a>, <a href="http://people.skolelinux.org/pere/blog/tags/h264">h264</a>, <a href="http://people.skolelinux.org/pere/blog/tags/nuug">nuug</a>, <a href="http://people.skolelinux.org/pere/blog/tags/video">video</a>.</div>
  74
  75
  76     </div>
  77
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  82
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  84
  85 <h2>Archive</h2>
  86 <ul>
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 152
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 154
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 181
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 212
 213 <li>2012
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 239
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 241
 242 <li>2011
 243 <ul>
 244
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 246
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 250
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 268
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 270
 271 <li>2010
 272 <ul>
 273
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 275
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 297
 298 </ul></li>
 299
 300 <li>2009
 301 <ul>
 302
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 324
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 326
 327 </ul></li>
 328
 329 <li>2008
 330 <ul>
 331
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 333
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 335
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 337
 338 </ul>
 339
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 342 <h2>Tags</h2>
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 451  <li><a href="http://people.skolelinux.org/pere/blog/tags/usenix">usenix (2)</a></li>
 452
 453  <li><a href="http://people.skolelinux.org/pere/blog/tags/valg">valg (8)</a></li>
 454
 455  <li><a href="http://people.skolelinux.org/pere/blog/tags/video">video (59)</a></li>
 456
 457  <li><a href="http://people.skolelinux.org/pere/blog/tags/vitenskap">vitenskap (4)</a></li>
 458
 459  <li><a href="http://people.skolelinux.org/pere/blog/tags/web">web (40)</a></li>
 460
 461 </ul>
 462
 463
 464     </div>
 465     <p style="text-align: right">
 466  Created by <a href="http://steve.org.uk/Software/chronicle">Chronicle v4.6</a>
 467 </p>
 468
 469   </body>
 470 </html>