yum update error

--> Processing Dependency: libx264.so.142()(64bit) for package: mencoder-1.1-33.20150505svn.el7.nux.x86_64
--> Finished Dependency Resolution
Error: Package: libquicktime-1.2.4-19.el7.nux.x86_64 (@nux-dextop)
           Requires: libx264.so.142()(64bit)
           Removing: x264-libs-0.142-11.20141221git6a301b6.el7.nux.x86_64 (@nux-dextop)
               libx264.so.142()(64bit)
           Updated By: x264-libs-0.148-11.20160614gita5e06b9.el7.x86_64 (rpmfusion-free-updates)
              ~libx264.so.148()(64bit)
Error: Package: mencoder-1.1-33.20150505svn.el7.nux.x86_64 (@nux-dextop)
           Requires: libx264.so.142()(64bit)
           Removing: x264-libs-0.142-11.20141221git6a301b6.el7.nux.x86_64 (@nux-dextop)
               libx264.so.142()(64bit)
           Updated By: x264-libs-0.148-11.20160614gita5e06b9.el7.x86_64 (rpmfusion-free-updates)
              ~libx264.so.148()(64bit)