#1 Burning Software

Hi,

We're building an image file ourselves, UDF/ISO bridge, and transferring it to CD/DVD using StarBurn_CdvdBurnerGrabber_TrackAtOnceFromFile.

Once the record has completed, we call StarBurn_CdvdBurnerGrabber_VerifyFile for verification purposes.

This works fine for CDs and single layer DVDs, but when we verify against a dual layer DVD the verification is failing about 50% of the way through. This is known because of the callback output.

The failed LBA that's being returned is 0, even though it's verified over 50% of the disc already, so something is wrong there!

Is there a 32-bit problem here, i.e. verifying over the 2^32 bytes, or is there some other problem with big image files?

Please can you advise if this is a known problem? And what should we do to verify DL media?

Thanks,

Colin

I would appreciate if you'd provide us with debug log from failed verify process (you can do it later even w/o burn, just stick with the same file set). Thanks!

Well, I was not able to reproduce the problem here. I've tested with +R DL media recording and also with verification of already created discs (>8GB in size). Even wrote special SDK sample for this. Could you please drop me a message and I'll send you a tool and source? So you could check the same image after it's being recorded. And I still need debug logs from failed verification - maybe it would help to fix the library remotely...

OK, thanks for trying. I've moved onto something else for a couple of days but will try this again probably towards the middle of next week. I'll make sure debugging is on and left on as well, as there's a couple of +R issues that we've discussed.

I've got a test program as well that verifies the disc against the image, so I'll use that one. It's pretty straight forward stuff with your API

Thanks again

Good. As I'll delay StarBurn update before we'll sort this issue out.