problem with 16:9 menus on stand-alone player

[Philip Walden-2]

I normally use dvdstyler to create DVDs. Dvdstyler generates the menus
and the dvdauthor xml.

Recently use dvdstyler 1.7 to create a DVD with 16:9 menus. The playback
work as expected on my PC player (xine). However, on my stand-alone DVD
player, the menu background uses the 16:9 aspect ratio while the button
graphics run at 4:3. Thus the button/highlight/select graphics do not
line up with thumbnail images on the background.

Is this a stand-alone player limitation or what?

Are there some spumux or dvdauthor xml options to force 16:6 on the buttons?

Thanks

philip

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[Lawrence D'Oliveiro-2]

Philip Walden wrote:

> The playback
> work as expected on my PC player (xine). However, on my stand-alone DVD
> player, the menu background uses the 16:9 aspect ratio while the button
> graphics run at 4:3. Thus the button/highlight/select graphics do not
> line up with thumbnail images on the background.

I think this is a known "feature" of the DVD spec. In 16:9 mode, the
subpictures are still being displayed within a 4:3 rectangle, the same
width as the video. So it's up to you to restrict your subpictures to
the right height to correctly overlay the 16:9 video.

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[Lawrence D'Oliveiro-2]

On 17th April I wrote:

> Philip Walden wrote:
>
>> The playback work as expected on my PC player (xine). However, on my
>> stand-alone DVD player, the menu background uses the 16:9 aspect ratio
>> while the button graphics run at 4:3. Thus the button/highlight/select
>> graphics do not line up with thumbnail images on the background.
>
> I think this is a known "feature" of the DVD spec.

Turns out there's a reason why it's designed this way, it's to allow
supporting letterbox and auto-pan-scan modes on 4:3 displays
<http://www.mpucoder.com/guides/subpic1.html>.

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