Twin Format layer to play selection issue for PC software player
p.lavarre at IEEE.org
Wed Aug 17 06:15:18 PDT 2005
* From the T10 Reflector (t10 at t10.org), posted by:
* Pat LaVarre <p.lavarre at ieee.org>
>>>> OS (kernel) patch to support the new twin/hybrid format.
>>> This is not true. You would need to enhance the mount format to
>>> session numbers as mount option.
>> This depends what functionality we want to provide. If we do want to
>> has the
>> OS mount the first session(s) for view in Explorer, yes, we would
>> need this
>> change. However in the scheme of a DVD-Video - HD-Video disc, the
>> software does not need the OS to mount the DVD session as the player
>> software may parse himself the file system.
> Depends on the rights model.
> On an OS that cleanly separates rights, you need administrative rights
> order to access the device while accessing the mounted filesystem is
> to anyone.
On a host that makes that particular kind of clean separation, ...
A root-privileged kernel patch can mount the raw data as a file, to
duck the need for root privilege for playback.
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