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How to control subpicture duration

Sun, 2008-06-29 23:34 — Michael Costa

Back when I was authoring on Sonic Creator, I could control the start and stop time of the subpicture. This of course is great for motion menus that fade up and then down at the end where you want to subpicture to turn off rather than be stranded in black!

DVD SP only allows this at the beginning of your loop, and only then if you use this as your loop point which you may not want to do.

SO - I presume DVD AE gives you that Sonic type ability to roll your own front and end point. How do you do that?

Thanks,

Michael

‹ Jumping over end of PGC RE: Old Shuffle Post ›
Thu, 2008-07-03 02:24 — ianshepherd

I haven't tried this, (and I

I haven't tried this, (and I can't remember if Michael did, either) but DVDSP allows subtitles to fade in and out during a track. So it might be worth trying building the menu as a track in DVDSP, with the overlay selected as the subtitle graphic, starting and stopping as necessary, and a marker at the loop point, then importing it as a menu VOB using DVDAE. There is lots of useful info on this kind of strategy in Uli's animated highlights article.

Here are a few pointers of things that I have found important in my testing:

- Make sure the "Force Display" option is ticked in DVDSP for the subtitle stream
- Any change in buttons is best made on a cell marker, although this isn't a spec requirement
- Make sure the button highlight status is set to "All new info" when a change in button highlight happens
- If your goal is to make the button disappear, it might be worth adding a new sub in DVDSP with a blank subtitle graphic and no buttons at the "disappearance point" ?

Be aware though that you'll be opening yourself up for some testing and troubleshooting with this - there may still be an element to the formula we haven't uncovered yet.

Good luck !

Ian

Mon, 2008-06-30 11:13 — okeanos

I was never able to get this to work consistently....

I am also a Creator user and I had the same problem with Spruce (grandsire of DVDSP) and tried using DVDAE to change the highlight end time. The info is stashed down in the navpacks. (There may be an old thread on this from about two years ago.) I made the change - I tried several different strategies in fact - but was never able to get it to work consistently on a wide enough variety of players. So I was never confident about going into replication with the change.

I could have been doing something wrong, of course. ;->

Michael

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