Re: Text Aspect Ratio & Video Format

On 31/07/10 04:19, Elio Blanca wrote:

> All the subpicture streams? Am I supposed to mux more than one stream
> in order to get a menu?

Well, you DID want to handle more than one situation (narrowscreen 
versus widescreen TV), did you not? You will need a separate subpicture 
stream for each one.

> And how will they be selected?

Based on the value of the mode attribute you specify.

> Anyway, i tried this:
>
>      <titleset>
>         <menus lang="it">
>            <video ... />
>            <audio ... />
>            <subpicture lang="it">
>                <stream mode="letterbox" id="0" />
>            </subpicture>
>            <pgc ...
>
> and it didn't work, menu appeared as before. Also, using "widescreen"
> in place of "letterbox" didn't help.

You need two subpicture streams, one designed for each situation. The 
player should then pick the right one.

> If this is the right "official" way to obtain the perfect mapping of
> png over menu, dvdunauthor should detect it and write it down into
> its `dvdauthor.xml', shouldn't it?

Yes.

> At that point, one could just learn from "official" commercial authored dvds...

Do that, then.

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