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.TH bluraybackup 1 bluraybackup\-VERSION
.SH NAME
bluraybackup \- Tool to backup Blu-ray Disc Movies (BDMV)
.SH SYNOPSIS
.B bluraybackup
[-d \fIdevice\fR] [-k \fIkeyfile\fR] [\fIFILE\fR] [\fIDEST\fR]
.B bluraybackup
[-d \fIdevice\fR] [-k \fIkeyfile\fR] -m [\fIDEST\fR]
.B bluraybackup
[\fIOPTION\fR]
.SH DESCRIPTION
\fBbluraybackup\fP backups Blu-ray Disc Movies (BDMV),
inspired by dvdbackup,
developed in ANSI C (C89) following the suckless philosophy.
It makes a decrypted copy of the whole Blu-ray Disc Movie
or it extracts a decrypted version of a specific BDMV stream.
This program may not work with all Blu-rays.
It both depends on your KEYDB.cfg file
and on the BD+ generation
(version).
To successfully decrypt a Blu-ray Disc Movie
you both need libaacs installed
and a KEYDB.cfg file,
containing your disc keys.
Moreover,
if your disc is plagued by BD+ as well,
you need to install libbdplus.
BD+ is a form of copy obstruction,
which consists in writing video streams to disc
with small errors.
These errors get fixed
during playback
by a virtual machine
embedded in official players,
only if the player keys are verified
by the same virtual machine.
libbdplus is an implementation of the BD+ virtual machine
features.
However it doesn't support all the BD+ generations.
Since libbdplus 0.2.0,
it's possible to bypass BD+ emulation,
using cached tables to fix the broken streams.
.SH OPTIONS
.TP
\fB-d\fR, \fB--device\fR \fIdevice\fR
defines Blu-ray disc device
(default /dev/sr0)
.TP
\fB-h\fR, \fB--help\fR
print usage message
.TP
\fB-k\fR, \fB--keydb\fR \fIkeyfile\fR
defines keys database file path
(default $HOME/.config/aacs/KEYDB.cfg)
.TP
\fB-m\fR, \fB--main\fR
copy main Blu-ray disc title (see USAGE)
.TP
\fB-v\fR, \fB--version\fR
print version and license information
.SH USAGE
.B bluraybackup
[-d \fIdevice\fR] [-k \fIkeyfile\fR] [\fIFILE\fR] [\fIDEST\fR]
.P
Without \fIFILE\fR,
the whole disc will be copied to the current directory.
\fIFILE\fR must be a file path relative to the disc root.
Without \fIDEST\fR,
the decrypted \fIFILE\fR will be sent to standard output.
\fIDEST\fR path must include file name.
.B bluraybackup
[-d \fIdevice\fR] [-k \fIkeyfile\fR] -m [\fIDEST\fR]
.P
Without \fIDEST\fR,
the main disc title will be sent to standard output.
\fIDEST\fR path must include file name.
.SH EXIT VALUES
.TP
\fB0\fP \- Successful copy
.TP
\fB1\fP \- Everything else
.SH SEE ALSO
.P
\fBdvdbackup\fP(1)
.B http://www.videolan.org/developers/libbluray.html
.B http://www.videolan.org/developers/libaacs.html
.B http://www.videolan.org/developers/libbdplus.html
.B https://wiki.archlinux.org/title/Blu-ray
.B http://suckless.org/philosophy/
.SH AUTHOR
bluraybackup was written by Matteo Bini <matteobin@tiepi.it>.
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