libavfilter-dev software package provides Development files for libavfilter, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libavfilter-dev
libavfilter-dev is installed in your system.
Make ensure the libavfilter-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libavfilter-dev *
You will get with libavfilter-dev package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Library development |
| Package | libavfilter-dev |
| Version | 6:9.18-0ubuntu0.14.04.1 [amd64 |
| Description | Development files for libavfilter |
| Sub Section | libdevel |