On Mon, Jun 8, 2020 at 8:16 AM retep peter <[email protected]> wrote:
> Hello Richard, > How can I download ffmpeg 2.8.15 source for Ubuntu developers? > You can download the original source package and the Ubuntu patches from https://packages.ubuntu.com/source/xenial/ffmpeg (look near the bottom of the page). You'll probably need to use the Ubuntu build tools to apply the patches and build. I can't help you there. - Richard > Thanks > retepik > > ne 7. 6. 2020 o 1:45 Richard Hussong <[email protected]> napísal(a): > >> >> On Fri, Jun 5, 2020 at 11:33 AM retep peter <[email protected]> wrote: >> >>> I need a advice :) I have tried compile ffmpeg 2.8.15 from source under >>> Ubuntu 16 LTS. I need compile it for one SDK, I can't use ffmpeg from >>> repository. I compiled ffmpeg successfully. But I have got issues with my >>> specify SDK, when I try compile my code with SDK: >>> >>> SDK.so: undefined reference to `av_rescale_q@LIBAVUTIL_FFMPEG_54' >>> >>> I suppose that issues are in symbols name. I tried read symbols with >>> >>> readelf -s libavutil-ffmpeg.so.54 >>> >>> I get in my compiled ffmpeg something like this >>> >>> 158: 0000000000024170 55 FUNC GLOBAL DEFAULT 12 >>> av_rescale_q@@LIBAVUTIL_54 >>> >>> I tried this with libavutil-ffmpeg.so.54 from repository and i get >>> >>> 158: 0000000000024170 55 FUNC GLOBAL DEFAULT 12 >>> av_rescale_q@@LIBAVUTIL_FFMPEG_54 >>> >>> I suppose that I need add a suffix "FFMPEG" to symbols name. I use this >>> configuration for build ffmpeg, it same as configuration of build from >>> repository : >>> >>> sudo ./configure --prefix=/usr --extra-version=0ubuntu0.16.04.1 >>> --build-suffix=-ffmpeg --toolchain=hardened >>> --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu >>> --cc=cc --cxx=g++ --enable-gpl --enable-shared --disable-stripping >>> --disable-decoder=libopenjpeg --disable-decoder=libschroedinger >>> --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa >>> --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca >>> --enable-libcdio --enable-libflite --enable-libfontconfig >>> --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm >>> --enable-libmodplug --enable-libmp3lame --enable-libopenjpeg >>> --enable-libopus --enable-libpulse --enable-librtmp >>> --enable-libschroedinger --enable-libshine --enable-libsnappy >>> --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora >>> --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack >>> --enable-libwebp --enable-libx265 --enable-libxvid --enable-libzvbi >>> --enable-openal --enable-opengl --enable-x11grab --enable-libdc1394 >>> --enable-libiec61883 --enable-libzmq --enable-frei0r --enable-libx264 >>> --enable-libopencv >>> >>> Could you help me how add suffix "-ffmpeg" to symbols name? Thanks >>> >> The libavxxx-ffmpeg libraries are supplied by the Ubuntu developers to >> support the Ubuntu version of ffmpeg. If you build and install ffmpeg >> yourself (not from the Debian ffmpeg source package), it will build the >> "normal" libavxxx libraries and build ffmpeg against them, and those >> libraries will be installed somewhere, by default /usr/local/lib, I >> believe. I don't know for sure if libavutil.so.54 is compatible with >> libavutil-ffmpeg.so.54, though it is likely that it is. If so, you may be >> able to use LD_PRELOAD to load the libraries you need before running, but I >> don't know if your SDK allows that, or if it would necessarily work. >> >> - Richard >> >>> Best Regard >>> >>> retepik >>> _______________________________________________ >>> Libav-user mailing list >>> [email protected] >>> https://ffmpeg.org/mailman/listinfo/libav-user >>> >>> To unsubscribe, visit link above, or email >>> [email protected] with subject "unsubscribe". >> >> _______________________________________________ >> Libav-user mailing list >> [email protected] >> https://ffmpeg.org/mailman/listinfo/libav-user >> >> To unsubscribe, visit link above, or email >> [email protected] with subject "unsubscribe". > > _______________________________________________ > Libav-user mailing list > [email protected] > https://ffmpeg.org/mailman/listinfo/libav-user > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe".
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