SVCD 480x480 plays "squashed" on a DVD player (Photo2DVD)

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I am using a piece of software that supposed to convert a bunch
of jpg pictures into a SVCD/VCD, adding transitions, music e.t.c.
(i.e.
by creating an mpeg file). It's called Photo2DVD studio 3 (which may
or may not be important). Here it goes:

Everything works as advertised: it generates bin and cue files, that
contain
all the needed info. When SVCD is targeted, the MPEG file that is
generated,
upon the examinations, appears to be 480x480, as expected.

Here is the problem however: when played on a Sampo DVD player, the
movie
appears to be "squashed" vertically (objects apppear short and fat).

I tried to play the resulting MPEG file using various software
players:

In MS MediaPlayer 9: the movie appears squashed, just like on the
Sampo DVD plyer
In LightAlloy (a small and very robust "will play anything" sw
player), it appears to be file, i.e. undistorted. Info shows 480x480.
Finally, in BS Player, another robust player that allows to switch the
aspect ratios, when I select the "original" apsect ratio -- I get
squished images, if I select the 4x3 ratio -- I get perfectly
undistorted images, the way they were intended. Info shows 480x480 in
either case.

My question is, there must be some kind of info built in to the mpeg
that tells the player how to display it (and I guess some player
handle that info different then the others).
Is there a way to control that? Am I totally off, and the problem is
in something else? Can the experts please clue me in.

Thanks
 
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kuzo robinson wrote:

> (objects apppear short and fat) [on some players, even
> though they fill the whole 480x480 sampling matrix]
>
> [...]
>
> My question is, there must be some kind of info built
> in to the mpeg that tells the player how to display it
> (and I guess some player handle that info different
> then the others).

Yes, you are probably on the right track. The MPEG-2 format
allows flagging the preferred display aspect ratio as 4:3
or 16:9.

It sounds like the program you used to encode the MPEG
stream flagged it as 16:9 - even though you had 4:3 on
your mind. This would explain the short and fat
appearance of the objects and people.

> Is there a way to control that?

Authoring/encoding programs usually let you choose
whether you want to create a 16:9 or 4:3 disc /
MPEG file. (Unfortunately, I do not know the
program you were using, so I cannot give any hints
on where you could start looking for such option.)

--
znark
 
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Thanks Jukka,

I download a utility called DVD Patch and examined
the file -- it does apear to be 480x480 with 4:3 ratio
in the header. Power DVD, Windows Media Player and the
hardware player however still display short and fat objects.


;(((((


"Jukka Aho" <jukka.aho@iki.fi> wrote in message news:<enChc.3239$525.2782@reader1.news.jippii.net>...

> Yes, you are probably on the right track. The MPEG-2 format
> allows flagging the preferred display aspect ratio as 4:3
> or 16:9.
>
> It sounds like the program you used to encode the MPEG
> stream flagged it as 16:9 - even though you had 4:3 on
> your mind. This would explain the short and fat
> appearance of the objects and people.
>
> > Is there a way to control that?
>
> Authoring/encoding programs usually let you choose
> whether you want to create a 16:9 or 4:3 disc /
> MPEG file. (Unfortunately, I do not know the
> program you were using, so I cannot give any hints
> on where you could start looking for such option.)