Re: [Ekiga-list] No video with anything other than h261

[Eugen Dedu <Eugen Dedu pu-pm univ-fcomte fr>]

On 24/03/14 09:33, Damien Sandras wrote:
> Le 23/03/14 19:13, David Woodfall a écrit :
> > On (23/03/14 17:52), Damien Sandras <dsandras seconix com> put forth the
> > proposition:
> > > Le 23/03/14 14:37, David Woodfall a écrit :
> > > > > > What Asterisk are you running? Is it a default distro like FreePBX? There
> > > > > > are some configs to check, but they are mush easier using the freePBX GUI.
> > > > >
> > > > > But apart from my asterisk server I only get video on ekiga.net's echo
> > > > > tester with h261 too.
> > > >
> > > > If it helps any, these are the output of -d 4. The first is using h261
> > > > and the second is h263. I rang the ekiga.net echo line then hungup
> > > > afterwards:
> > > >
> > > > h261: http://www.r0t.co.uk/paste/p/qJ9yve44.html
> > > > h263: http://www.r0t.co.uk/paste/p/cbgaee38.html
> > >
> > > You should report a bug to your distribution maintainer. Things are badly
> > > compiled:
> > >
> > > 2014/03/23 13:31:34.472 0:05.195 Pool:0x7f799496d700 H263+ Successfully
> > > loaded 'libavcodec.so.55'
> > >
> > > 2014/03/23 13:31:34.472 0:05.195 Pool:0x7f799496d700 H263+ Successfully
> > > loaded 'libavutil.so.52'
> > >
> > > 2014/03/23 13:31:34.472 0:05.195 Pool:0x7f799496d700 H263+ Error linking
> > > function avcodec_init, error=/usr/lib64/libavcodec.so.55: undefined symbol:
> > > avcodec_init
> > >
> > > 2014/03/23 13:31:34.472 0:05.195 Pool:0x7f799496d700 H.263-RFC2190 Encoder
> > > closed
> > >
> > > My guess would be that it links to a different libavcodec library than the
> > > one whose headers were used to compile things.
> >
> > I've just recompiled both Opal and Ekiga and get the same error.
> >
> > There's no way that it's compiled against a different version. Is
> > there a recommended ffmpeg version to use?
> >
> > Currently, I have version 2.1.4.
> >
> > Have you seen this?:
> > http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2012-April/123454.html
> >
> > I will have to patch Opal by the look of it.
>
> If the compilation succeeded, that means that avcodec_init was present in your
> headers.
> If it fails at runtime, that means that the library you are linking to does not
> contain that method.
>
> => your headers and libraries are different, believe me

Perhaps you have ffmpeg/libav installed from your distribution, and you 
also installed it manually?  During compilation, one of them is used, 
and during execution the other gets used.

Also, do you use ffmpeg or libav?

--
Eugen