$ sudo apt-get update
$ sudo apt-get install libavformat-extra-53 

libavformat-extra-53 is installed in your system.

Make ensure the libavformat-extra-53 package were installed using the commands given below,

$ sudo dpkg-query -l | grep libavformat-extra-53 *

You will get with libavformat-extra-53 package name, version, architecture and description in a table

libavformat-extra-53 package basic information: