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. A
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