static gboolean ol_player_songbird_prev () { OlPlayerMpris *mpris = ol_player_songbird_get_mpris (); return ol_player_mpris_prev (mpris); }
static gboolean ol_player_amarok2_prev () { OlPlayerMpris *mpris = ol_player_amarok2_get_mpris (); return ol_player_mpris_prev (mpris); }
static gboolean ol_player_clementine_prev () { OlPlayerMpris *mpris = ol_player_clementine_get_mpris (); return ol_player_mpris_prev (mpris); }