libswscale-dev 4:0.8.1-0ubuntu1 (amd64 binary) in ubuntu precise

 Libav is a complete, cross-platform solution to decode, encode, record,
 convert and stream audio and video.
 .
 This is the video scaling library from Libav.
 .
 This package contains the header files and static libraries needed to
 compile applications or shared objects that use libswscale.