[MPlayer-users] Streams intermittently play or don't?

[wm4]

On Sat, 25 Oct 2014 15:59:03 +0200
Reimar Döffinger <Reimar.Doeffinger at gmx.de> wrote:

> On Sat, Oct 25, 2014 at 03:19:20PM +0200, wm4 wrote:
> > On Sat, 25 Oct 2014 14:32:42 +0200
> > Reimar Döffinger <Reimar.Doeffinger at gmx.de> wrote:
> > > Huh? You seem to be using -demuxer lavf or have demuxer=lavf in some
> > > config file?
> > > Actually, more likely you didn't have libogg-dev installed when you
> > > compiled, thus forcing it to use libavformat.
> > > If this is a Debian or Ubuntu, try "apt-get build-dep mplayer", that
> > > will install everything the original distribution package used to
> > > compile MPlayer.
> > 
> > > As said, libavformat is problematic with streaming.
> > 
> > Never had many problems with it. I had to implement shoutcast support
> > in ffmpeg, but of course that's not needed for correct function, just
> > for this tag-like extra information. You should use mime-type mapping
> > of formats to demuxers to stop libavformat to spend megabytes of data on
> > probing.
> 
> That doesn't work around it e.g. trying to read ID3V2, which so far
> looks to cause the issues for example (at least it can cause an
> additional startup delay).
> I suspect some things are fishy related to seeking in
> id3v2_read_internal, in particular it does a
> off = avio_tell(pb);
> and directly after in if
> avio_seek(pb, off, SEEK_SET);
> which makes no sense at it is always a NOP...
> I am also not sure if its assumption that seeking back by
> 10 bytes is always possible is entirely correct from the avio
> API side.

Might have to do with marking the avio as not seekable correctly.