FFDShow Plug-in for PCs
FFDSHOW is a DirectShow and Video for Windows codec with support for a wide range of audio and video formats, such as Xvid, DivX, and H.264. It uses libavcodec from ffmpeg project for video decompression, post-processing code from mplayer to enhance visual quality of low bit rate movies, and is based on original DirectShow filter from XviD, which is GPL's educational implementation of the MPEG4 encoder.
FFDShow can help you open additional types of video and audio files, for which you may otherwise not have needed the codec installed on your machine in order to open the file in Squeeze.
Uninstall FFDShow by going to Start > Control Panel > Add or Remove Programs (XP) or Programs and Features (Vista and Win7)> ffdshow (all versions) > Change/Remove > Uninstall
If you would like to reinstall FFDShow, run the Squeeze installer (no need to uninstall Squeeze before running it). It should pre-populate your serial key so you can just click Next through the steps.
Changing FFDShow decoder configurations
Open the ffdshow Video decoder configuration (Start > ffdshow > Video decoder configuration) and change the Decoder for the _______ Format to "libavcodec."
You may also need to change the FFDShow audio settings (Start > ffdshow > Audio decoder configuration) and change the Decoder for the ______ Format to "liba52."