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MacTheRipper is a Mac OS X application that enables users to create a playable copy of the contents of a Video DVD by defeating the Content Scramble System. During this process it may optionally modify or disable the DVD region code or the User operation prohibition features of the copied data. The previous lack of an OS X equivalent to the PC software DVDShrink gave this standalone DVD ripper widespread popularity among Macintosh users. The name is a portmanteau upon Jack the Ripper & Mac the Knife. The current public release is version 2.6.6. The latest version, v4.2.7, is available at the MTR-4 forum, which is accessible only after a registration with, and an approval from, an administrator.〔http://www.ripdifferent.com/mtr/〕 Even documentation such as pricing (it's no longer free) and the FAQ is locked off. == Legal issues == Previous releases of MacTheRipper violated the GNU General Public License (GPL) of the (libdvdread ) and libdvdcss software libraries, on which MacTheRipper is built.〔(libdvdcss-devel mailing list ) A user notes the use of libdvdcss in a closed-source project.〕〔(Jon Lech Johansen's Blog ) DeCSS author notes GPL code used in MacTheRipper, MacTheRipper author responds〕 However, with MacTheRipper 4 and newer the libdvdread and libdvdcss libraries are distributed separately and must be installed separately for MacTheRipper to work. The creation and distribution of MacTheRipper may violate the anti-circumvention laws which the U.S. and EU have adopted as part of the WIPO Copyright Treaty. In a case against the maker of a program similar to MacTheRipper, the court found that "the downstream uses of the software (), whether legal or illegal, are not relevant to determining whether (manufacturer ) itself is violating the statute."〔(321 Studios v. MGM Order ) Court Decision in case against 321 Studios, the makers of PC software similar to MacTheRipper〕 In that case and others that followed it, the court found the software manufacturer in violation of the DMCA.〔(321 Studios Shuts Its Doors ) Wired News article about the entertainment industry lawsuits that forced 321 Studios to shutdown〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「MacTheRipper」の詳細全文を読む スポンサード リンク
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