mpeg3-utils software package provides MPEG streams decoding library, 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 mpeg3-utils
mpeg3-utils is installed in your system.
Make ensure the mpeg3-utils package were installed using the commands given below,
$ sudo dpkg-query -l | grep mpeg3-utils *
You will get with mpeg3-utils package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Utilities |
| Package | mpeg3-utils |
| Version | 1.5.4-5ubuntu1 |
| Description | MPEG streams decoding library |
| Sub Section | Utils |