Re: poor quality & glitches - all tracks on CD show unreported loss of streaming

On Wed, 22 Oct 2003, Adam Hardy wrote:

> On 10/22/2003 09:09 AM Mikko Nummelin wrote:

>> On Wed, 22 Oct 2003, Adam Hardy wrote:

>>> The CD has some stupid virus on it to load in Windows and stop
>>> ripping, but that shouldn't affect me like this, should it?

>> I think the CD is protected by Cactus Data Shield. Anyway, if you put it
>> in while using Windows, remember to press the Shift key for at least a
>> minute to prevent autostart. If you already have made a mistake and got
>> the malicious programs to your hard disk, you should carefully examine the
>> registry.

>> One question, are you using SCSI-emulation on your CD-drive? If the
>> answer is yes, you should see

>> http://www.xiph.org/archives/paranoia-dev/0112.html

>> , i.e. try to alter the ripping command by hacking d->read_audio to
>> scsi_read_D8 on scsi_interface.c

> I don't believe I am using SCSI emulation. Is that a kernel option? This
> is moving into the realm of rocket science for me.

It is a kernel option (for example "hdc=ide-scsi") and used widely in
Linux with CD-RW:s.

> I'm also not even sure what make the old CD drive is that I am using. I
> doubt it's Plextor - which it would have to be to take advantage of this
> hack, right?

No, that applies to many SCSI-emulated CDROM:s. There are different
SCSI-reading commands which are not equivalent with each other. In case of
copy-protected CD:s this might turn up decisive.


Mikko Nummelin
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