libavutil-dev-dbgsym 6:11.4-1 (i386 binary) in ubuntu wily

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