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Re: DVD driver

On Wed, Jan 02, 2008 at 05:08:14PM -0800, Paul Johnson wrote:
> On Jan 2, 2008 4:09 PM, hce <webmail.hce@gmail.com> wrote:
> > > I don't think there *is* a DVD driver, per se.  There's the UDF fs
> > > driver, though.  You might mean that.
> >
> > To be hornest, I am not clear how the DVD system works. Is the DVD
> > like a CD, the module need be loaded, then be mounted to a file
> > system? I guess that UDF fs is the file system for the DVD. I more
> > concern with the DVD formats for different DVD RW devices. Are the
> > different formats DVD-R and DVD+R only presented in physical device,
> > not on a file system? As long as the device is mounted to a file
> > system such as UDF, there won't be any difference to read contents
> > from the file system, is that correct?
> DVD, whether it's a WORM or ROM disc, uses udf if it's a data DVD.  If
> it's a video DVD, it's more of a codec and media player issue.

It is my unsubstantiated belief that the differences between +, -,
single layer, dual layer, R, RW etc are all handled at the hardware
level by the drive itself and are not depenedent on some driver. 


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