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This topic comprises 7 pages: 1 2 3 4 5 6 7
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Author
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Topic: Gods & Generals (& dts) Question
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John Hawkinson
Film God

Posts: 2273
From: Cambridge, MA, USA
Registered: Feb 2002
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posted 01-31-2003 10:04 PM
Brad: well, they can always drop to analog to switch discs. but see below; maybe that's insufficient.
John: The real answer is, "because that's how they programmed it." It could have been programmed differently, and in retrospect, I think DTS would probably do it differently if they had the opportunity to revisit it. But at the moment, trailer discs are handled as a special case.
The DTS unit boots DTS.EXE off of one of the discs in the player; presumably the latest revision non-trailer disc. If you stick two features in there, it boots the DTS.EXE from one of them, and the software doesn't know how to handle the 2-different-features case (it doesn't know how to handle 2-trailer-discs either).
You might ask how a second feature is different from a trailer disc? Well, the file format is all different. Trailers are specialcased as "reel 14" and the software knows to pull together a "virtual" reel 14 from both the R14 data on the feature disc (for attached trailers) as well as the R14 data on the trailer disc.
I would hope that the DTS.EXE for Gods and Generals makes some changes here and allows swapping of discs without stopping play. One thing that's worth noting is that if G&G is 15(+) reels, then it will probably have to be encoded as two seperate DTS serial #s (like it were two different movies), since R14 is reserved for trailers, R0 is reserved for serial number information, and the reel space is only 16 bits (0-15). That implies that iff there are no software changes (DTS.EXE), you'd be required to swap the discs at a particular place, and not just "any old time between reels 5 and 10." Hopefully there'll be software changes.
--jhawk
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This topic comprises 7 pages: 1 2 3 4 5 6 7
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