/opt/bin/ffmpeg
ffmpeg version 0.10.2 Copyright (c) 2000-2012 the FFmpeg developers
  built on Aug 20 2012 15:27:40 with gcc 4.6.3
  configuration: --enable-static --enable-shared --enable-gpl --enable-libx264 --enable-nonfree --disable-vaapi --enable-postproc --enable-version3 --prefix=/opt
/opt/bin/ffmpeg: relocation error: /opt/bin/ffmpeg: symbol swresample_configuration, version LIBSWRESAMPLE_0 not defined in file libswresample.so.0 with link time reference