static gboolean ol_player_songbird_next () { OlPlayerMpris *mpris = ol_player_songbird_get_mpris (); return ol_player_mpris_next (mpris); }
static gboolean ol_player_amarok2_next () { OlPlayerMpris *mpris = ol_player_amarok2_get_mpris (); return ol_player_mpris_next (mpris); }
static gboolean ol_player_clementine_next () { OlPlayerMpris *mpris = ol_player_clementine_get_mpris (); return ol_player_mpris_next (mpris); }