Posted by Temistocle on 11/15/32 11:30

Hi,

I want to know if it is possible to fit 2 or + movies (say a couple of
MPEG-1 and a DivX) on a single 4.7 GB support, with each of these movies
becoming a chapter selectable (i.e. a button) from main menu.
Compatability with home DVD players is needed.
How can I get it and with which softwares?
Are 4.7 GB constrained to a specific duration (as 650 MB in audio CD =
74 min) or, with a quality and/or size reduction (for instance 352*288),
is it possible to fit more than 120 minutes?
In a computer-ripped backup DVD that I borrowed from a friend of mine I
could notice that a 120 min movie fitted in as little as 2 GB!! I
dropped a VOB file from this DVD in ffmpegX (I'm a Mac user), and I saw
it was 352*576 (shouldn't it be 768*576 ?). I did not try this disc on
my home DVD player, but with Apple DVD Player (program that comes with
Mac OS X) I could watch it fine.
Other two questions:
- if my original movie is a 320*240 MPEG-1, how can ffmpegX (or an
equivalent sw) get a DVD (therefore a MPEG-2) with more-than-double
width and height (i.e. 576*768)? where does software take missing
pixels? or does it make conversion leaving the movie at same dimensions,
since is home DVD player that does the magnifying job?
- are chapter points (or scene markers) inside VOB? how can I make scene
insertion/deletion?
Thanks

Temistocle


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