Mixed-mode CD Labels

[Chris Green]

On Friday 28 December 2001 21:38, Andreas Mohr wrote:
>
> I guess it might be  music CDs with builtin biography data/programs often
> that are problematic.
>
> If you get hold of such CDs, then you need to experiment with
> CDROMREADMODE2, CDROMREADMODE1 and/or CDROMREADRAW ioctl()s
> (in /usr/include/linux/cdrom.h) to get back sector data.
> I already verified once that you can get the CD label of "problematic"
> mixed-mode CDs this way.
> I couldn't figure out the mechanism that e.g. Windows uses to calculate
> the serial number of these CDs, though.
>
> You might probably want to figure out a way to have misc/cdrom.c
> also support label and serial reading of problematic mixed-mode CDs, in a
> modular way (i.e. one that doesn't look too awful code-wise ;)

Thanks Andreas. I'll do some investigating!

regards
Chris Green