This sound a lot like an old library somewhere in /usr/local. Please attach the output of ldd -r /usr/bin/x264.
** Changed in: x264 (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to x264 in Ubuntu. https://bugs.launchpad.net/bugs/1382635 Title: start of x264 generates error: libavresample.so.1 not found Status in x264 package in Ubuntu: Incomplete Bug description: x264: error while loading shared libraries: libavresample.so.1: cannot open shared object file: No such file or directory is the error message after start of x264 with x264 --preset=veryslow --crf=18 --sar=16:9 --output=video.m4v video.mpeg x264 was installed via apt-get install x264 and should have pulled all necessary dependencies. ProblemType: Bug DistroRelease: Ubuntu 14.10 Package: x264 2:0.142.2431+gita5831aa-1ubuntu1 ProcVersionSignature: Ubuntu 3.16.0-23.30-generic 3.16.4 Uname: Linux 3.16.0-23-generic x86_64 NonfreeKernelModules: zfs zunicode zavl zcommon znvpair ApportVersion: 2.14.7-0ubuntu7 Architecture: amd64 CurrentDesktop: Unity Date: Fri Oct 17 19:34:44 2014 InstallationDate: Installed on 2011-10-03 (1110 days ago) InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110901) SourcePackage: x264 UpgradeStatus: Upgraded to utopic on 2014-07-09 (100 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/x264/+bug/1382635/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp