Re: Still frames before films

On Thu, 18 Nov 2010 18:08:37 +0100
"Tobias G. Pfeiffer" <[email protected]> wrote:

> 1.) Create a n-second video of the still image and prepend it to the
> video, resulting in a slide+longfilm.mpg.
>  * pros: robust, definitely will play anywhere without side effects;
> can't easily be ripped from the DVD without the still image
>  * cons: probably need to re-encode the video?; don't know a
> command-line toolchain to to this; unflexible w.r.t. new slide
> content or change of n

FYI, FFmpeg can concatenate multiple video files without reencoding (of
the video, anyway).

> 2.) Create a n-second video of the still image as slide.mpg and use
>    <pgc>
>       <vob file="slide.mpg" />
>       <vob file="longfilm.mpg" />
>       <post> call menu; </post>
>    </pgc>
>  * pros: very flexible: just change slide.mpg and run dvdauthor again
>  * cons: Is this supported by all players? Will longfilm.mpg be
> easily rippable from the DVD without the slide? 

Actually the effect of this will be the same as method 1. Note that the
splitting up into multiple VOB files within each titleset is done purely
for reasons of file-size limitations within the DVD-Video spec, it bears
no correlation to the number of input <vob> directives specified to
dvdauthor.

> 3.) Create a 1-second-video of the still image as slide.mpg and use
>    <pgc>
>       <vob file="slide.mpg" pause="n" />
>       <vob file="longfilm.mpg" />
>       <post> call menu; </post>
>    </pgc>
>  * pros and cons: as in (2.)

That should take up less space on the disc. Which probably doesn’t
matter if you’ve got nothing else to fill the disc with. :)

I don’t think you need to worry about player compatibility when
deciding between the alternatives above; this should all be fairly basic
stuff for any player.

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