In Ubuntu 8.10:

[ 85%] Building CXX object contrib/brl/bbas/vidl2/CMakeFiles/vidl2.dir/vidl2_ffmpeg_istream.o
In file included from /home/jonathan/vxl-1.12.0-beta1/contrib/brl/bbas/vidl2/vidl2_ffmpeg_istream.cxx:28:
/home/jonathan/vxl-1.12.0-beta1/contrib/brl/bbas/vidl2/vidl2_ffmpeg_istream_v2.txx:30:28: error: ffmpeg/swscale.h: No such file or directory

jonathan@jonathan-laptop:~$ gcc -v
Using built-in specs.
Target: i486-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu 4.3.2-1ubuntu11' --with-bugurl=file:///usr/share/doc/gcc-4.3/README.Bugs --enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr --enable-shared --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --enable-nls --with-gxx-include-dir=/usr/include/c++/4.3 --program-suffix=-4.3 --enable-clocale=gnu --enable-libstdcxx-debug --enable-objc-gc --enable-mpfr --enable-targets=all --enable-checking=release --build=i486-linux-gnu --host=i486-linux-gnu --target=i486-linux-gnu
Thread model: posix
gcc version 4.3.2 (Ubuntu 4.3.2-1ubuntu11)

Any advice / help would be appreciated.
-Jonathan