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[Debconf-video] Live streaming for HTML 5



Together with the DebConf video team and others I've set up live
streaming from several conferences over HTTP.  This was done using the
following software:

- Streaming server: Icecast <http://www.icecast.org/>
- Streaming client: oggshout <https://alioth.debian.org/frs/?group_id=31156&release_id=991>
- Format conversion: ffmpeg2theora <http://v2v.cc/~j/ffmpeg2theora/>

Icecast and ffmpeg2theora are included in many Linux distributions.  The
oggshout client is my own (trivial) invention; there are other
compatible clients listed at <http://www.icecast.org/3rdparty.php>.

This combination uses Ogg Theora+Vorbis video, which is supported within
HTML 5 <video> elements in Firefox, Chrome and Opera browsers.  For
other browsers it would be necessary to provide a fallback:
<http://en.wikipedia.org/wiki/Theora#Browser_plugins>.

Our video sources are normally DV cameras but webcams should also be
usable with ffmpeg2theora.

Ben.

-- 
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.

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