You can for example convert mpeg's, flv's, and mov's, all into avi's all at once. WinFF is available for Debian, Ubuntu, Redhat based GNU/Linux distributions.
WinFF is available in Brazilian Portuguese, Bulgarian, Chinese Traditional, Danish, Dutch, English, French, German, Greek, Hebrew, Italian, Norwegian, Polish, Portuguese, Russian, Serbian, Slovenian, Spanish and Turkish.
WinFF is open source and cross platform written in Free Pascal and Lazarus. WinFF is published under the GNU public license. WinFF is published without any warranty or suitability for any purpose.
Easy to use interface.
Fast (Winff does not hinder FFmpeg in anyway).
High quality output.
Converts multiple different files all to the same format at once.
Convert video to audio.
Convert between audio formats.
No external codecs needed.
Includes a variety of preset conversion settings for common formats and devices.
Preset conversions can be created to encode to any format FFmpeg supports.
Easy access to common conversion options such as bitrate, frame size, frame rate.
Specify additional command line parameters for advanced users (options button).
Easily change FFmpeg versions.
Supports FFmpeg's multi threading for dual core processors
Multilingual, available in over 10 languages
WinFF Forums Forums and help to discuss general issues, bugs and problems, presets, and more.
WinFF Wiki HowTo's and more.
WinFF Google Code SVN, Issue tracking, complete downloads, and more
Ubuntu Repositories Instructions for install on Ubuntu
Debian Repositories Instruction for install on Debian