libdvdcss
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| Developer(s) | VideoLAN |
|---|---|
| Stable release | 1.3.0 / August 5, 2014[2] |
| Written in | C |
| Operating system | GNU/Linux, BSD, BeOS Windows 95 and later Mac OS X, Solaris, HP-UX |
| Platform | Portable |
| Type | Library |
| License | GNU GPL v2[3] |
| Website | videolan.org/../libdvdcss |
libdvdcss (or libdvdcss2 in some repositories) is a free and open source software library for accessing and unscrambling DVDs encrypted with the Content Scramble System (CSS). libdvdcss is part of the VideoLAN project and is used by VLC media player and other DVD player software packages, such as Ogle, xine-based players, and MPlayer.[citation needed]
Comparison with DeCSS
libdvdcss is not to be confused with DeCSS. Whereas DeCSS uses a cracked DVD player key to perform authentication, libdvdcss uses a generated list of possible player keys. If none of them works (for instance, when the DVD drive enforces region coding), a brute force algorithm is tried in which the region code of a DVD is ignored. Unlike DeCSS, libdvdcss has never been legally challenged.[citation needed]
Distribution
Many GNU/Linux distributions do not contain libdvdcss (for example, Debian, Fedora, SUSE Linux, and Ubuntu) due to fears of running afoul of DMCA-style laws, but they often provide the tools to let the user install it themselves. For example, it used to be available in Ubuntu through Medibuntu, which is no longer available.[4]
Distributions which come pre-installed with libdvdcss include BackTrack, CrunchBang Linux, LinuxMCE, Linux Mint, PCLinuxOS, Puppy Linux 4.2.1, Slax, Super OS, Pardus, and XBMC Live.[citation needed]
Usage
Libdvdcss alone is only a library and cannot play DVDs. DVD player applications, such as VLC media player, use this library to decode DVDs. Libdvdcss is optional in many open-source DVD players, but without it, only non-encrypted discs will play.[citation needed]
References
- ↑ http://www.videolan.org/developers/libdvdcss.html
- ↑ http://download.videolan.org/pub/libdvdcss/last/
- ↑ http://svn.videolan.org/filedetails.php?repname=libdvdcss&path=%2Ftrunk%2FCOPYING
- ↑ Many Debian derivatives provide a script in /usr/share/doc/libdvdread4/install-css.sh
External links
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