[Asterisk-video] app_transcoder.so: undefined symbol: avcodec_init
Rene van Weert
rvweert at gmail.com
Fri Sep 7 07:26:37 CDT 2007
Dear Klaus,
I had indeed some errors in that makefile. Thanks for your help. I
recompiled and now everything is working!
Cheers,
René
On 9/6/07, Klaus Darilion <klaus.mailinglists at pernau.at> wrote:
>
> this is what I get:
>
> ldd /usr/lib/asterisk/modules/app_transcoder.so
> libavcodec.so.51 => /usr/local/lib/libavcodec.so.51 (0xb7a68000)
> libc.so.6 => /lib/tls/libc.so.6 (0xb7932000)
> libavutil.so.49 => /usr/local/lib/libavutil.so.49 (0xb7928000)
> libm.so.6 => /lib/tls/libm.so.6 (0xb7906000)
> libz.so.1 => /usr/lib/libz.so.1 (0xb78f4000)
> libamrnb.so.2 => /usr/local/lib/libamrnb.so.2 (0xb78a8000)
> libvorbis.so.0 => /usr/lib/libvorbis.so.0 (0xb7881000)
> libvorbisenc.so.2 => /usr/lib/libvorbisenc.so.2 (0xb7782000)
> /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x80000000)
> libogg.so.0 => /usr/lib/libogg.so.0 (0xb777d000)
>
>
> maybe you do not link correctly?
>
> I have this entry in my apps/Makefile:
>
> app_transcoder.so : app_transcoder.o
> $(CC) $(SOLINK) -o $@ ${CYGSOLINK} $< ${CYGSOLIB} -lavcodec
>
>
> ^^^^
> note: this must be a [TAB], no spaces
>
> klaus
>
> Rene van Weert schrieb:
> > Dear Klaus,
> >
> > ldd gives me:
> > asterisk-dev:~# ldd /usr/lib/asterisk/modules/app_transcoder.so
> > linux-gate.so.1 => (0xffffe000)
> > libpthread.so.0 => /lib/i686/cmov/libpthread.so.0 (0xb7f3c000)
> > libc.so.6 => /lib/i686/cmov/libc.so.6 (0xb7df4000)
> > /lib/ld-linux.so.2 (0x80000000)
> >
> > However, when starting asterisk I get:
> > asterisk: symbol lookup error:
> > /usr/lib/asterisk/modules/app_transcoder.so: undefined symbol:
> avcodec_init
> >
> > Cheers,
> > René
> >
> >
> > On 9/6/07, *Klaus Darilion* <klaus.mailinglists at pernau.at
> > <mailto:klaus.mailinglists at pernau.at>> wrote:
> >
> > make sure app_transcoder can find the library:
> >
> > check with:
> > ldd /usr/lib/asterisk/modules/app_transcoder.so
> >
> > usually you will avcodec in /usr/local/lib
> >
> > thus make sure to add /usr/local/lib to your library path in
> > /etc/ld.so.conf
> >
> > after that, execute "ldconfig"
> >
> > klaus
> >
> > Rene van Weert schrieb:
> > > Hi Laurent,
> > >
> > > I have the same problem now, what was your solution?
> > >
> > > Kind regards,
> > >
> > > René
> > >
> > >
> > > On 7/9/07, *laurent schweizer* < laurent.schweizer at gmail.com
> > <mailto:laurent.schweizer at gmail.com>
> > > <mailto:laurent.schweizer at gmail.com
> > <mailto:laurent.schweizer at gmail.com>>> wrote:
> > >
> > > I have found the solutions,
> > >
> > > Thanks
> > >
> > >
> > > 2007/7/9, dwita loveme <dwitaloveme at yahoo.com
> > <mailto:dwitaloveme at yahoo.com>
> > > <mailto:dwitaloveme at yahoo.com <mailto:dwitaloveme at yahoo.com
> >>>:
> > >
> > > hi,
> > > is ffmpeg installed correctly ?
> > > i got the same problem in the past.
> > >
> > > :)
> > > dwi
> > >
> > >
> > > */laurent schweizer < laurent.schweizer at gmail.com
> > <mailto:laurent.schweizer at gmail.com>
> > > <mailto:laurent.schweizer at gmail.com
> > <mailto:laurent.schweizer at gmail.com>>>/* wrote:
> > >
> > > Hello,
> > >
> > > I try to start asterisk 1.4.6 with the app_transcoder
> > module
> > > but I have this error.
> > >
> > > Thanks
> > >
> > > codec_alaw.so => (A-law Coder/Decoder)
> > > == Registered custom function MATH
> > > func_math.so => (Mathematical dialplan function)
> > > == Registered application 'PrivacyManager'
> > > app_privacy.so => (Require phone number to be
> > entered, if no
> > > CallerID sent)
> > > == Registered application 'DumpChan'
> > > app_dumpchan.so => (Dump Info About The Calling
> Channel)
> > > == Registered application 'rtsp'
> > > app_rtsp.so => (RTSP applications)
> > > == Registered application 'Milliwatt'
> > > app_milliwatt.so => (Digital Milliwatt (mu-law) Test
> > > Application)
> > > asterisk: symbol lookup error:
> > > /usr/lib/asterisk/modules/app_transcoder.so:
> undefined
> > > symbol: avcodec_init
> > >
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