[Paranoia-dev] questions on caching, cdparanoia IV

Jason Voegele jason at jvoegele.com
Sat Apr 29 03:48:15 PDT 2006

Hi Philip,

On Thursday 27 April 2006 7:42, Philip Jägenstedt wrote:
> What's the story on defeating the cache on modern drives? Has there been
> any development on cdparanoia IV in the last 5 years, and could I be of
> help somewhere? I'm not a complete kludge with hacking C code, but first
> I'd like to know if anyone else is working on something so that effort is
> not duplicated. If it's possible to disable caching via the new commands
> in some new ATAPI standard I've been seeing references to on the mailing
> lists that would be great, but I've gotten the impression that it's
> unlikely to work for all drives and that some more or less kludgy
> cache-defeating mechanism will continue to be necessary.

I'm not a cdparanoia developer nor associated with Xiph in any way, but I've 
had these same questions before myself so I'll try my best to answer them.

No, there hasn't been any real cdparanoia development for the last five years, 
which is very frustrating to me and many others.  There has been some talk on 
this mailing list about reviving the project or at least addressing some of 
the major concerns such as the caching issue, but as far as I can tell no 
action has been taken.

If you are interested in an improved cdparanoia, I suggest you check out the 
libcdio project [1].   The have incorporated the latest cdparanoia into the 
libcdio and made some enhancements to it in their source tree.  I don't 
believe they have yet addressed caching drives, but at least they are still 
actively involved in development.  Also, libcdio goes well above and beyond 
just audio extraction, so it's worth checking out as a comprehensive, 
multi-platform CD access library.

[1] http://www.gnu.org/software/libcdio/

Jason Voegele
Violence is a sword that has no handle -- you have to hold the blade.
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