ffmpeg: error while loading shared libraries: libavformat.so.54: cannot open shared object file: No such file or directory

ldd 'which ffmpeg'

linux-vdso.so.1 =>  (0x00007fff0dfff000)
	libavdevice.so.53 => /usr/lib/libavdevice.so.53 (0x00007ffeb4c0f000)
	libavfilter.so.2 => /usr/lib/libavfilter.so.2 (0x00007ffeb4983000)
	libavformat.so.54 => not found
	libavcodec.so.54 => not found
	libpostproc.so.52 => /usr/lib/libpostproc.so.52 (0x00007ffeb475c000)
	libswresample.so.0 => /usr/lib/libswresample.so.0 (0x00007ffeb4553000)
	libswscale.so.2 => /usr/lib/libswscale.so.2 (0x00007ffeb4309000)
	libavutil.so.51 => /usr/lib/libavutil.so.51 (0x00007ffeb40e6000)
	libpthread.so.0 => /lib/libpthread.so.0 (0x00007ffeb3eca000)
	libm.so.6 => /lib/libm.so.6 (0x00007ffeb3bd6000)
	libc.so.6 => /lib/libc.so.6 (0x00007ffeb3835000)
	libavformat.so.53 => /usr/lib/libavformat.so.53 (0x00007ffeb3521000)
	libavcodec.so.53 => /usr/lib/libavcodec.so.53 (0x00007ffeb26b4000)
	libX11.so.6 => /usr/lib/libX11.so.6 (0x00007ffeb237c000)
	libXext.so.6 => /usr/lib/libXext.so.6 (0x00007ffeb2169000)
	libXfixes.so.3 => /usr/lib/libXfixes.so.3 (0x00007ffeb1f62000)
	libasound.so.2 => /usr/lib/libasound.so.2 (0x00007ffeb1c6f000)
	libSDL-1.2.so.0 => /usr/lib/libSDL-1.2.so.0 (0x00007ffeb19d5000)
	libpulse-simple.so.0 => /usr/lib/libpulse-simple.so.0 (0x00007ffeb17d1000)
	libpulse.so.0 => /usr/lib/libpulse.so.0 (0x00007ffeb1588000)
	/lib/ld-linux-x86-64.so.2 (0x00007ffeb4e1f000)
	librtmp.so.0 => /usr/lib/librtmp.so.0 (0x00007ffeb136f000)
	libz.so.1 => /usr/lib/libz.so.1 (0x00007ffeb1159000)
	libbz2.so.1.0 => /lib/libbz2.so.1.0 (0x00007ffeb0f49000)
	libva.so.1 => /usr/lib/libva.so.1 (0x00007ffeb0d32000)
	libxvidcore.so.4 => /usr/lib/libxvidcore.so.4 (0x00007ffeb0a1a000)
	libx264.so.120 => /usr/lib/libx264.so.120 (0x00007ffeb06ce000)
	libvpx.so.1 => /usr/lib/libvpx.so.1 (0x00007ffeb0428000)
	libvorbisenc.so.2 => /usr/lib/libvorbisenc.so.2 (0x00007ffeaff59000)
	libvorbis.so.0 => /usr/lib/libvorbis.so.0 (0x00007ffeafd2c000)
	libtheoraenc.so.1 => /usr/lib/libtheoraenc.so.1 (0x00007ffeafaef000)
	libtheoradec.so.1 => /usr/lib/libtheoradec.so.1 (0x00007ffeaf8d4000)
	libspeex.so.1 => /usr/lib/libspeex.so.1 (0x00007ffeaf6bb000)
	libschroedinger-1.0.so.0 => /usr/lib/libschroedinger-1.0.so.0 (0x00007ffeaf3f0000)
	libopenjpeg.so.1 => /usr/lib/libopenjpeg.so.1 (0x00007ffeaf1cf000)
	libopencore-amrwb.so.0 => /usr/lib/libopencore-amrwb.so.0 (0x00007ffeaefbb000)
	libopencore-amrnb.so.0 => /usr/lib/libopencore-amrnb.so.0 (0x00007ffeaed91000)
	libmp3lame.so.0 => /usr/lib/libmp3lame.so.0 (0x00007ffeaeb1a000)
	libgsm.so.1 => /usr/lib/libgsm.so.1 (0x00007ffeae90f000)
	libxcb.so.1 => /usr/lib/libxcb.so.1 (0x00007ffeae6f1000)
	libdl.so.2 => /lib/libdl.so.2 (0x00007ffeae4ed000)
	librt.so.1 => /lib/librt.so.1 (0x00007ffeae2e5000)
	libpulsecommon-1.1.so => /usr/lib/libpulsecommon-1.1.so (0x00007ffeae083000)
	libjson.so.0 => /usr/lib/libjson.so.0 (0x00007ffeade7b000)
	libdbus-1.so.3 => /usr/lib/libdbus-1.so.3 (0x00007ffeadc37000)
	libssl.so.1.0.0 => /usr/lib/libssl.so.1.0.0 (0x00007ffead9db000)
	libcrypto.so.1.0.0 => /usr/lib/libcrypto.so.1.0.0 (0x00007ffead626000)
	libogg.so.0 => /usr/lib/libogg.so.0 (0x00007ffead420000)
	liborc-0.4.so.0 => /usr/lib/liborc-0.4.so.0 (0x00007ffead1a5000)
	libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0x00007ffeacea0000)
	libgcc_s.so.1 => /usr/lib/libgcc_s.so.1 (0x00007ffeacc8a000)
	libXau.so.6 => /usr/lib/libXau.so.6 (0x00007ffeaca86000)
	libXdmcp.so.6 => /usr/lib/libXdmcp.so.6 (0x00007ffeac880000)
	libsndfile.so.1 => /usr/lib/libsndfile.so.1 (0x00007ffeac61a000)
	libasyncns.so.0 => /usr/lib/libasyncns.so.0 (0x00007ffeac414000)
	libFLAC.so.8 => /usr/lib/libFLAC.so.8 (0x00007ffeac1c9000)
	libnsl.so.1 => /lib/libnsl.so.1 (0x00007ffeabfb1000)
	libresolv.so.2 => /lib/libresolv.so.2 (0x00007ffeabd9a000)