libavdevice-dev software package provides Development files for libavdevice, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libavdevice-dev
libavdevice-dev is installed in your system.
Make ensure the libavdevice-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libavdevice-dev *
You will get with libavdevice-dev package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Library development |
| Package | libavdevice-dev |
| Version | 6:0.8.18-0+deb7u1 [amd64, arme |
| Description | Development files for libavdevice |
| Sub Section | libdevel |