The dependencies are mainly insane upstream defaults, which Arch doesn't try to hide. For many packages there are modified PKGBUILDs available in the AUR for th

The dependencies are mainly insane upstream defaults, which Arch doesn't try to hide. For many packages there are modified PKGBUILDs available in the AUR for these situations (mplayer-nosmb, pidgin-mini, …). Sadly not for mpv (yet, I've been meaning for a while to make one, but didn't yet get around to it).