libavformat57 software package provides FFmpeg library with (de)muxers for multimedia containers - runtime files, you can install in your Ubuntu 17.04 (Zesty Zapus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libavformat57
libavformat57 is installed in your system.
Make ensure the libavformat57 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libavformat57 *
You will get with libavformat57 package name, version, architecture and description in a table
| Distro | Ubuntu 17 04 zesty zapus |
| Section | Libraries |
| Package | libavformat57 |
| Version | 7:3.2-2 |
| Description | FFmpeg library with (de)muxers for multimedia containers - runtime files |
| Sub Section | libs |