ffmpeg-dbg 7:2.5.4-1 (i386 binary) in ubuntu vivid

 FFmpeg is the leading multimedia framework, able to decode, encode, transcode,
 mux, demux, stream, filter and play pretty much anything that humans and
 machines have created. It supports the most obscure ancient formats up to the
 cutting edge.
 .
 This package contains the debug symbols used to produce useful debugging
 back-traces.