Multimedia options:

  -pulseaudio .......... Enable PulseAudio support [auto] (Unix only)
  -alsa ................ Enable ALSA support [auto] (Unix only)
  -no-gstreamer ........ Disable support for GStreamer
  -gstreamer [version] . Enable GStreamer support [auto]
                         With no parameter, 1.0 is tried first, then 0.10.
