> On DVD or BD media ?
On DVD and BD media.
> I doubt that libburn can be of help, because it restricts itself
> to SCSI commands which are specified by SPC-3, MMC-5, SBC-2.
> For DVD and BD there is simply no provision for anything but
> data blocks of 2048 bytes with automatic checksum and control bits.
> I never explored the specified possibilities of "raw" CD writing
> which would allow the burn program to manipulate the checksums
> and control bits of the data blocks on CD media.