[Libav-user] FFmpeg libraries in Ubuntu

[JunHorng]

Thank you for your instruction. With your suggestion, my problem was
solved.

Jun-Horng Chen


2011/6/15 Diego Carvalho Domingos <diego.cdomingos2010 at gmail.com>

> I had a lot of problems to compile codes that uses ffmpeg...After a
> lot of attempts and search on the internet I created a script to do
> the job, installing from the source (git repository). I don't know if
> it is the best way (there are a lot of options to configure ffmpeg, I
> just enabled the building of both static and dinamic libraries and
> support for libx264). The script installs libx264, if you don't want
> it just remove the lines of its installation.
>
> #!/bin/bash
> #script to install/update x264 and ffmpeg
> #must run as root
>
> #installing dependencies
> apt-get install git-core yasm
>
> cd /usr/local/src
>
> #uninstalling previous installation
> installed=0
> if [ -d "x264" ]; then
>        echo "uninstalling x264"
>        cd x264
>        make uninstall
>        make distclean
>        cd ..
>        rm -R x264
>        installed=1
> fi
>
> if [ -d "ffmpeg" ]; then
>        echo "uninstalling ffmpeg"
>        cd ffmpeg
>        make uninstall
>        make distclean
>        cd ..
>        rm -R ffmpeg
>        installed=1
> fi
>
> if [ $installed -eq 1 ]; then
>        echo "x264 and ffmpeg uninstalled"
> else
>        echo "x264 and ffmpeg were not installed"
> fi
>
> #installing x264
> git clone git://git.videolan.org/x264.git
> cd x264
> ./configure --enable-static --enable-shared
> make
> make install
> cd ..
>
> #installing ffmpeg
> git clone git://git.videolan.org/ffmpeg
> cd ffmpeg
> ./configure --enable-shared --enable-gpl --enable-version3
> --enable-nonfree --enable-libx264
> make
> make install
> cd ..
>
> ldconfig
> echo "Installation Completed"
>
> I hope it helps you.
>
> 2011/6/14 JunHorng <junhorng at gmail.com>:
> > Thank you for your reply. I have done what you said, but the error
> message:
> > undefined reference to `avcodec_decode_video2'
> > is still shown. Besides, a warning message:
> > ‘dump_format’ is deprecated
> >
> > is also shown. Would you please advice me how you compile FFmpeg in
>  the
> > Ubuntu system?
> > Best regards,
> > Jun-Horng Chen
> >
> >
> > 2011/6/13 Gustav González <xtingray at gmail.com>
> >>
> >> Did you try?:
> >>
> >> % sudo apt-get install libavcodec-dev libavcodec52
> >> % sudo apt-get install libavformat-dev libavformat52
> >> % sudo apt-get install libavutil-dev libavutil50
> >>
> >> 2011/6/12 JunHorng <junhorng at gmail.com>:
> >> > Hello,
> >> > Following the
> >> >
> >> > instruction:
> http://ubuntuforums.org/showpost.php?p=9868359&postcount=1289 ,
> >> > I have installed the   FFmpeg libraries in my Ubuntu system. At the
> >> > beginning, it seems to be fine. When I tested the libraries with the
> >> > example
> >> > program : "libavcodec/api-example.c", an error message :
> >> > undefined reference to `avcodec_decode_video2'
> >> > will be shown in the project building process.
> >> > Does that mean what I installed is an old version of FFmpeg?
> >> > I am appreciated for any help.
> >> > JunHorng
> >> > _______________________________________________
> >> > Libav-user mailing list
> >> > Libav-user at ffmpeg.org
> >> > http://ffmpeg.org/mailman/listinfo/libav-user
> >> >
> >> >
> >>
> >>
> >>
> >> --
> >> ============================
> >>   Gustav Gonzalez
> >>   xtingray at gmail.com
> >> ============================
> >> _______________________________________________
> >> Libav-user mailing list
> >> Libav-user at ffmpeg.org
> >> http://ffmpeg.org/mailman/listinfo/libav-user
> >
> >
> > _______________________________________________
> > Libav-user mailing list
> > Libav-user at ffmpeg.org
> > http://ffmpeg.org/mailman/listinfo/libav-user
> >
> >
> _______________________________________________
> Libav-user mailing list
> Libav-user at ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/libav-user
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://ffmpeg.org/pipermail/libav-user/attachments/20110617/ee494ad7/attachment.html>