libavformat-dev 3:0.svn20080206-10ubuntu1 (i386 binary) in ubuntu intrepid

 This is the demuxer library from the ffmpeg project. It supports most
 existing file formats (AVI, MPEG, OGG, Matroska, ASF...).
 .
 This package contains the header files and static libraries needed to
 compile applications or shared objects that use libavformat.