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though the menu i want to change looks like a "still" menu
it is somehow part of a "vob" - ie part of a menu "video"
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All menus are inside of VOB files. All audio/video content is, within the DVD-Video format.
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it could be that i could isolate this particular "frame" and exchange it for a new one?
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That's a pretty decent educated guess. I'd follow this path, if needed.
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eg VDM (v-dub mod) allows me to export every frame as a jpg. i could then replace the one particular jpg with the new picture. and then convert the jpgs to a avi (via VDM). convert the avi to mpeg2. use the mpeg2 in a dummy dvd. then finally, replace existing vob with new vob.
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Too much work. Womble MPEG Video Wizard would let you import the VOB as MPEG-2 + audio, and then you could simply cut/splice out the one frame with the new JPEG. However, nav data inside the VOB would be lost on re-save. How much nav data is stored in the VOB, as opposed to the IFO, when referring to the menu? (None, as best as I can recall.)
To be honest, I don't spent lots and lots of time reverse engineering DVD-Video, and what I do know, I tend to forget through the years. It's simply because I tend to be the person making DVDs, not going back and editing them. (And even if I do, I'll have access to original source files to simply re-compile the project. Or just re-author.)
I don't really know of a reliable source (person) that could give extra advice, either. You're sort of at the mercy of anybody else reading this, and willing/able to give some input. Any other digitalFAQ.com readers or members have some ideas?
