libtheora0 software package provides Theora Video Compression Codec, 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 libtheora0
libtheora0 is installed in your system.
Make ensure the libtheora0 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libtheora0 *
You will get with libtheora0 package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Libraries |
| Package | libtheora0 |
| Version | 1.1.1+dfsg.1-3.2 |
| Description | Theora Video Compression Codec |
| Sub Section | libs |