Player usage:
  Up/Down - Prew/Next song
  Right/Left - Forw/Back seek
  Insert - update plaulist with all songs in the play directory
  Home - mute/unmute
  End - Play/Pause
  Page Up/Down - volume control (default - 100%)
  Delete - delete current song from playlist
  Enter - show playlist

To obtain dump_pipeline - modify GST_DEBUG_DUMP_DOT_DIR environment variable

To build:
  cmake .
  make
To install:
  make install
To build rpm package:
  make package
Some rpm tricks:
  rpm -ivh ./player # install
  rpm -qa # list all packages
  rpm -e <package> # remove package, name obtain from listing of all packages