Hello,
Here is a dirty patch to see all tracks of a CD-ROM as I need it. It
basically reads TOC in the cdrom_read_toc function.
The patch only works for Linux (but adding support for other OS should
not be difficult)

What would be needed is to have a BlockDriverState parameter for
cdrom_read_toc in order to avoid exporting the list and searching for
a CDROM inside it.

Another nice thing would be to handle .toc/.bin but that would need
adding a field  somewhere to keep the .toc filename.

BTW, why does -snapshot apply to cdrom ?