ffmpeg-dbg 4:0.8-1ubuntu2 (armel binary) in ubuntu precise

 Libav is a complete, cross-platform solution to decode, encode, record,
 convert and stream audio and video.
 .
 This package contains debug data of the Libav related shared libraries.
 .
 Most people will not need this package. Please install it to produce useful
 stacktraces to help debugging the Libav libraries.
 .
 This package is only used for transitional purposes and can be safely
 removed.