UDF 2.00 - OSTA - Optical Storage Technology Association
UDF 2.00 - OSTA - Optical Storage Technology Association
UDF 2.00 - OSTA - Optical Storage Technology Association
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
If the last session on a CD does not contain a valid <strong>UDF</strong> file system, the disc is not a <strong>UDF</strong><br />
disc. Only the <strong>UDF</strong> structures in the last session, and any <strong>UDF</strong> structures and data<br />
referenced through them, are valid.<br />
The <strong>UDF</strong> session may contain pointers to data or metadata in other sessions, pointers to<br />
data or metadata only within the <strong>UDF</strong> session, or a combination of both. Some examples<br />
of <strong>UDF</strong> Bridge discs are shown below.<br />
Access to LSN=16+x<br />
Multisession <strong>UDF</strong> disc<br />
Access to LSN=256<br />
16 sectors<br />
256 sectors<br />
LSN=0<br />
First Session<br />
N - 256<br />
16 sectors<br />
256 sectors<br />
LSN=S<br />
1 st Recorded Track in the last session<br />
: Volume recognition area<br />
: Anchor point<br />
CD enhanced disc<br />
1 st session 2 nd session<br />
<strong>UDF</strong> Session<br />
Playable by conventional CD-Player<br />
Used by <strong>UDF</strong><br />
<strong>UDF</strong> <strong>2.00</strong> April 3, 1998<br />
119
Change language