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Cdrecord allows you to create multi-session CD's with all
supported drives. Cdrecord comes with a hacked mkisofs
that allows you to that on even on systems that don't support
a sectorsize 2048 Bytes (e.g. SGI IRIX and old versions of Solaris)
or systems that don't support raw device access (e.g. OS/2 W95/W98/WNT).
This is possible because this hacked version of mkisofs
uses my scg driver to read the old session from the CD-Recorder.
According to www.cd-info.com, a CD+ is a CD with two sessions.
The first session is an audio session, the second session a data
session.
Creating a CD+ is first writing an audio session in
multi session mode and then writing a data session.
If you like to append a filesystem to a audio CD, first extract the
CD by calling:
cdda2wav -B -v255
This first audio session may be written in TAO mode with the command
cdrecord -multi -audio file1 ....
or in DAO mode with the command
cdrecord -dao -multi -useinfo -audio file1 ....
To add the second session that contains the data track, you need
to create an ISO-9660 file system that starts not at sector 0.
With the current mkisofs (1.12), you must use the following method:
- First call cdrecord -msinfo for your prepared multi-session audio CD.
you will get something like 0,12345
- Now call mkisofs:
mkisofs -o fs.raw -C 0,12345 root_directory_for_new_cd
replace 0,12345 with your actual cdrecord -msinfo output.
the image in fs.raw may now be written with cdrecord as second session.
See my README.multi for more info on how to create multi session CD's
The procedure again in short form:
cdda2wav -v2255 -B
cdrecord -multi -audio audio_tracks ....
or
cdrecord -dao -useinfo -multi -audio audio_tracks ....
cdrecord -msinfo ....
(output is e.g. 0,12345)
mkisofs -R -o cd_plus.raw -C 0,12345 root_dir_of_fs
cdrecord -data cd_plus.raw
or
cdrecord -multi cd_plus.raw
Jrg
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