guvcview software package provides GTK+ base UVC Viewer, you can install in your Ubuntu 12.04 LTS (Precise Pangolin) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install guvcview
guvcview is installed in your system.
Make ensure the guvcview package were installed using the commands given below,
$ sudo dpkg-query -l | grep guvcview *
You will get with guvcview package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Graphics |
| Package | guvcview |
| Version | 1.5.3-0ubuntu1 |
| Description | GTK+ base UVC Viewer |
| Sub Section | Graphics |