Changes

*[[Wikipedia:DVD|DVD]] playback and menus supported by various media player software like [https://nightlies.videolan.org/ VLC] and [https://github.com/clsid2/mpc-hc/tags MPC-HC], however other ones like [https://github.com/mpv-player/mpv mpv] and [https://github.com/libretro/libretro-mpv libretro-mpv] do not support DVD menus<ref>[https://github.com/mpv-player/mpv/issues/4577 mpv player: DVD menu support issue page]</ref>, so there is no support for [[Virtual_reality#VR_game_room_simulations|EmuVR]] either. A large number of commercial DVDs are encrypted which uses a range of encryption and copy protection techniques like [[Wikipedia:DVD_region_code|RC]], [[Wikipedia:DVD_region_code#Region-code_enhanced|RCE]], [[Wikipedia:Analog_Protection_System|APS]], [[Wikipedia:Content_Scramble_System|CSS]], [[Wikipedia:User_operation_prohibition|UOPs]] and [[Wikipedia:ARccOS_protection|ARccOS]]; using plugins like [https://www.videolan.org/developers/libdvdcss.html libdvdcss]<ref>Get libdvdcss compiled library from [https://download.videolan.org here], then move the downloaded libdvdcss-2.dll file to VLC or any other media player software installation folder to work with libdvdcss.</ref>, <abbr title="These ones already comes with VLC media player software, you can see these in your 'VLC/plugins/access' directory.">libdvdread and libdvdnav</abbr> for VLC may help with playing these encrypted discs. Another option is decrypting and properly ripping these discs using [https://www.videohelp.com/software/sections/decrypters-dvd-rippers DVD decrypter software].

*[[Wikipedia:HD_DVD|HD-DVD]] playback using decrypted [[Wikipedia:Enhanced_VOB|.evo]]<ref>[https://help.ubuntu.com/community/RestrictedFormats/BluRayAndHDDVD Ubuntu Community: Restricted HD-DVD]</ref><ref>[https://samples.mplayerhq.hu/evob/ Decrypted .evo samples]</ref> is supported with VLC or MPC-HC. If you're disc has encrypted with [[Wikipedia:Advanced_Access_Content_System|AACS]]; either you'll need a drive that is capable of reading the discs and ancient version PowerDVD ($) (e.g.. 7 Ultra) media player software<ref>[https://forum.videohelp.com/threads/343705-VLC-Blu-ray-plugin-Watch-encrypted-Blu-rays-directly-in-VLC-2-0/page2#post2194488 VideoHelp forum: encrypted HD-DVD playback]</ref> OR just like cited below for Blu-ray; using [https://forum.doom9.org/showthread.php?t=176924 this guide for VLC] (or [https://github.com/clsid2/mpc-hc/issues/944 this steps for MPC-HC]) may help,<ref>[https://forum.doom9.org/showthread.php?t=175620 Doom9 forum: HD-DVD protection and libaacs with keydb.cfg]</ref>but either way do not expect HD-DVD menu support at all<ref>[https://forum.cyberlink.com/forum/posts/list/691.page#post_box_2858 Cyberlink forum: PowerDVD ultra doesnt compatible with HD-DVD menus]</ref> unless there is a [[#Emulators|Xbox 360 emulator that fully implements "HD DVD Player"]] or using [https://youtu.be/myKtgAEuSCQ?t=661 compatible hardware]. If you want to decrypt your HD-DVD dumps use [https://forum.doom9.org/showthread.php?t=123282 this guide].