On Sun, 2006-07-02 at 14:58 -0400, Jay R. Ashworth wrote: > On Sun, Jul 02, 2006 at 01:04:55PM +0100, Drew wrote: > > When cdrdao reports the capabilities of the drive it say this: > > > > Raw P-W sub-channel reading (audio track) is supported. > > Cooked R-W sub-channel reading (audio track) is supported. > > > > You notice it says "cooked R-W" NOT "cooked P-W" > > > > Does this mean it's excluding the p and q channels? that would mean it > > is returning 6 out of 8 subcode bits which would account for the subcode > > only being 72 bytes and not 96 (3/4 of the size). How it would arrange > > these 6 bit I don't know. > > I entirely think it could mean that, yes, and it would probably > just bit-pack them. Recording some identifiable data, as you have, and > checking to see what comes back on a bit-by-bit basis would probably > prove it.
Well I haven't got that drive but I'll post my subcode injection program and Kelvin can try it if he wants. It's a pretty simple program. You need to start off with a .bin image of a disk read in RW_RAW mode (cdrdao). Then you just run: $injector <file_name> where <file_name> is the name of the .bin image. The program will then over write the lower nibble of each subcode byte. The values it writes are 0 to F (in hex). You can then burn the image back to a disk and try extracting it in RW mode To compile the source just extract the archive: $tar xjvf injector.tar.bz2 $cd injector Then run the compile script ./compile.sh All this assume linux and gcc. Drew
injector.tar.bz2
Description: application/bzip-compressed-tar
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