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