Re: [xine-devel] Zoom

[Rich W. <rj...@he...>]

On Tuesday 30 Oct 2001 1:04 am, you wrote:
> > Extract from mpeg2 standard: -
> > 6.3.12.1 Pan-scan
> > The frame centre offsets may be used to implement pan-scan in which a
> > rectangular region is defined which may be
> > panned around the entire reconstructed frame.
>
> Ok, it's on the specs but... does any dvd actually uses that extension?
> (i'm not kidding, i really don't know the answer. i guess this requires=
 an
> additional manual stage on dvd preparation)

DVD Demystified lists automatic pan & scan (based on centre of interest=20
encoded in the MPEG streams) as one way DVD players can choose to display=
=20
e.g. 16:9 pictures on a 4:3 monitor. It also mentions that relatively few=
=20
DVDs use this feature (i.e. it is not required by the DVD spec).

If anyone has an example of a DVD containing such information I'm sure it=
=20
would be advertised on the cover :)

Rich

--=20
Rich

Are you a turtle?