phonon4qt5-backend-gstreamer-dbg 4:4.8.2-0ubuntu2 (i386 binary) in ubuntu xenial

 This package contains debugging symbols for the Phonon Qt5 GStreamer 1.0
 backend. If you have a problem with this backend and wish to debug it or you
 have been asked to provide a backtrace of the crash inside the Phonon
 internals, you may find this package useful.