160 lines
6.4 KiB
Plaintext
160 lines
6.4 KiB
Plaintext
------------------------------------------------------------------------------
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http:libburnia-project.org
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------------------------------------------------------------------------------
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libisoburn. By Vreixo Formoso <metalpain2002@yahoo.es>
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and Thomas Schmitt <scdbackup@gmx.net>
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Integrated sub project of libburnia-project.org.
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http://files.libburnia-project.org/releases/libisoburn-0.2.5.tar.gz
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Copyright (C) 2006-2008 Vreixo Formoso, Thomas Schmitt.
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Provided under GPL version 2.
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------------------------------------------------------------------------------
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libisoburn is a frontend for libraries libburn and libisofs which enables
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creation and expansion of ISO-9660 filesystems on all CD/DVD media supported
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by libburn. This includes media like DVD+RW, which do not support multi-session
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management on media level and even plain disk files or block devices.
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The price for that is thorough specialization on data files in ISO-9660
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filesystem images. So libisoburn is not suitable for audio (CD-DA) or any
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other CD layout which does not entirely consist of ISO-9660 sessions.
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Currently it is only supported on Linux with kernels >= 2.4.
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By using this software you agree to the disclaimer at the end of this text:
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"... without even the implied warranty ..."
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Compilation, First Glimpse, Installation
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Dynamic library and compile time header requirements for libisoburn-0.2.5 :
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- libburn.so.4 , version libburn-0.5.2 or higher
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- libisofs.so.6 , version libisofs-0.6.6 or higher
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libisoburn and xorriso will not start with libraries which are older than their
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headers seen at compile time. So compile in the oldest possible installation
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setup unless you have reason to enforce a newer bug fix level.
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Obtain libisoburn-0.2.5.tar.gz, take it to a directory of your choice
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and do:
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tar xzf libisoburn-0.2.5.tar.gz
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cd libisoburn-0.2.5
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Within that directory execute:
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./configure --prefix=/usr
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make
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Then become superuser and execute
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make install
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which will make available libisoburn.so.1 and program xorriso.
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For the API concepts and calls see
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./libisoburn/libisoburn.h
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as well as
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/usr/lib/libisofs/libisofs.h
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/usr/lib/libburn/libburn.h
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xorriso
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libisoburn includes a command line and dialog application named xorriso,
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which offers a substantial part of libisoburn features to shell scripts and
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users. Its file xorriso/README describes a standalone tarball as first
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preference for statically linked xorriso installation.
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The libisoburn installation described above produces a dynamically linked
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xorriso binary depending on libburn.so, libisofs.so, libisoburn.so.
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After installation documentation is available via
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man xorriso
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Several alias links point to the xorriso binary:
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xorrisofs starts xorriso with -as mkisofs emulation already enabled
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xorrecord starts xorriso with -as cdrecord emulation already enabled
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osirrox starts with -osirrox image-to-disk copying already enabled
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Drives and Disk File Objects
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The user of libisoburn applications needs rw-permission for the CD/DVD burner
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devices which shall be used.
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A list of rw-accessible drives can be obtained by
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xorriso -devices
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resp. by libburn API call
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burn_drive_scan()
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A possible source of problems are hald or other automounters.
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If you can spot a process "hald-addon-storage" with the address of
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your desired drive, then consider to kill it.
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If you cannot get rid of the automounter that easily, try whether it helps
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to always load the drive tray manually before starting a write run of
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xorriso. Wait until the drive light is off.
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Better try to unmount an eventually mounted media before a write run.
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Besides true optical drives, libisoburn can also address disk files as input or
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output drives. The addresses of the disk files have to be preceded by "stdio:".
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Like:
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"stdio:/tmp/pseudo_drive"
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Testing
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We are quite sure that libisofs produces accurate representations of the disk
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files. This opinion is founded on a lot of test burns and checks by a little
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test program which compares files from the mounted image with the orignals
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on disk. It uses the normal POSIX filesystem calls, i.e. no libburnia stuff.
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This program is not installed systemwide but stays in the installation
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directory of the xorriso tarball as test/compare_file . Usually it is
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run as -exec payload of a find command. It demands at least three arguments:
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The path of the file to compare, the prefix1 to be cut off from path
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and the prefix2 which gets prepended afterwards to obtain the path of the
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second file to compare.
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As further argument there can be -no_ctime which suppresses the comparison
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of ctime date stamps.
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The exit value is 0 if no difference was detected, non-0 else.
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Example: After
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xorriso ... -pathspecs on -add /=/original/dir --
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mount /media/dvd
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cd test
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compare tree /media/dvd with tree /original/dir :
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find /original/dir -exec ./compare_file '{}' /original/dir /media/dvd ';' \
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| less
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and vice versa:
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find /media/dvd -exec ./compare_file '{}' /media/dvd /original/dir ';' \
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| less
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------------------------------------------------------------------------------
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License version 2 as
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published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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------------------------------------------------------------------------------
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Based on and sub project of:
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libburnia-project.org
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By Mario Danic <mario.danic@gmail.com>,
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Vreixo Formoso <metalpain2002@yahoo.es>
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Thomas Schmitt <scdbackup@gmx.net>
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Copyright (C) 2006-2008 Mario Danic, Vreixo Formoso, Thomas Schmitt.
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libburnia-project.org is inspired by and in other components still containing
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parts of old
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Libburn. By Derek Foreman <derek@signalmarketing.com> and
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Ben Jansens <xor@orodu.net>
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Copyright (C) 2002-2006 Derek Foreman and Ben Jansens
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