[Icecast] theora streaming problem...
karl at xiph.org
Mon Feb 21 14:35:22 PST 2005
On Mon, 2005-02-21 at 22:04, Joern Nettingsmeier wrote:
> hi everyone!
> i'm playing around with theora streaming for the linux audio conference
> 2005 (http://lac.zkm.de).
> i checked out svn.xiph.org/trunk, built all ogg, vorbis, speex and
> theora related libs from scratch, then pulled icecast-2.2.0.
> three issues:
> icecast runs fine as always, but when i do
> cat myvideo.ogg | oggfwd myhost 8000 mypasswd /test.ogg, the stream dies
> after a few seconds. (the icecast log is appended below.)
> the same command sequence with an ogg vorbis audio file instead of the
> theora video works without problems.
that would indicate libshout timing thing, make sure it's using the
right libshout. After a quick check, it looks like libshout 2.1 will be
> i tried to follow oddsock's howto at
> http://www.oddsock.org/guides/video.php, but ezstream does not compile
> for me. it bails out with
> probably something obvious, but i could not find where SHOUT_FORMAT_OGG
> is defined... libshout is installed, and it's not in there.
you probably have libshout 2.0 installed
> when i transcode an mpeg2 file to theora, it's barely faster than
> realtime on an athlon64 4000+. is this to be expected, or did i forget
> some optimizations? here's the ffmpeg output, so that you can see the
> stream properties.
AFAIK the theora lib is not optimised yet, there is some work going on
in the theora-mmx branch to improve that but check that you have a
recent gcc producing code for athlon 64 as well.
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