libdvdnav-dbg software package provides DVD navigation library (debug), 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 libdvdnav-dbg
libdvdnav-dbg is installed in your system.
Make ensure the libdvdnav-dbg package were installed using the commands given below,
$ sudo dpkg-query -l | grep libdvdnav-dbg *
You will get with libdvdnav-dbg package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Development |
| Package | libdvdnav-dbg |
| Version | 4.2.1-3 |
| Description | DVD navigation library (debug) |
| Sub Section | devel |