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 Post subject: ReadRaw ... stops dead on ONE test DVD drive (HW reboot)
PostPosted: Mon Mar 09, 2009 4:03 am 
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Joined: Tue Sep 09, 2008 9:53 am
Posts: 23
Anton

G'day from OZ ... been using readRaw very successfully to read complete media (User data ONLY)

in pascal
Quote:

AnEXCEPTION := StarBurn_CdvdBurnerGrabber_ReadRaw(
_CdvdBurnerGrabber,
PCHAR(@ExceptionText[1]),
sizeof(ExceptionText),
Status,
@aCDB_FAILURE_INFORMATION,
EXPECTED_LB_TYPE_ANY,
_Block, // Start from logical block number
_BlockCount, // logical block count
ERROR_FIELD_NO_ERROR, // No error data included
FALSE, // we don't need EDC/ECC data
TRUE, // we need user data
HEADER_CODE_NONE, // We don't need the headers
FALSE, // we don't need SYNC pattern
SUBCHANNEL_NO, // Read NO sub-channel from the disc
_Buffer, // Pointer to data buffer for payload
_BufferLen );


BUT one older SONY DVD drive doesn't return from readraw when a reading single block after the last track. - HW reboot to kill reading process!!!!! :( so a watcher thread is not going to help)

Problem visible with multiple disks which are fine on multiple other drives

? can I tweak the retry count / generic hardware error detection parms that ReadRaw uses or is there something else

TIA
Linden
GetData
[/quote]


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 Post subject:
PostPosted: Mon Mar 09, 2009 2:02 pm 
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Site Admin

Joined: Fri Jun 18, 2004 12:03 am
Posts: 4089
Location: British Virgin Islands
Well... First of all I'd love to see the log. Second, do you use accurate TOC read (so the data is 100% usable)? Third, what media type do you use (stamped CD, CD-RW, single- vs. multitrack CD) etc?


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