pre_install() {
  if test -f /opt/vidyo/VidyoDesktop/VidyoDesktop ; then
    killall VidyoDesktop 2>/dev/null
    sleep 1
  fi
}

post_install() {
  if test ! -f /usr/bin/pulseaudio ; then
    echo "Pulseaudio not detected - you may need to manually enable ALSA:"
    echo " export VIDYO_AUDIO_FRAMEWORK=ALSA"
  fi
}

pre_upgrade() {
  pre_install
}

pre_remove() {
  pre_install
  rm -f /opt/vidyo/VidyoDesktop/lic/* 2>/dev/null
}