Re: Post Jump to Chapter

T. Evert wrote:

> At the end of title 1 the chapter has an infinate pause. When you hit 
> play or next, I want it to jump to chapter 11 in title 2.
 >
>  <vob file="Slide-098.m2v" pause="inf" />
>  <post>jump title 2 chapter 11;</post>
 >
> ... does not [jump correctly].
> Neither does my physical DVD player.

None of us have seen the official DVD-Video specs, and anybody who has 
wouldn’t be in a position to comment. But to me, this looks like a 
corner case: If the pause is supposed to be infinite, then when can the 
<post> sequence ever be executed? If the <post> sequence is executed, 
doesn’t that nullify the infinite pause? And if you press “play”, since 
this PGC is already done playing, why shouldn’t it resume with the next one?

It could very well be that the DVD-Video spec doesn’t spell out what’s 
supposed to happen in this situation. So my feeling is, you should avoid 
it. Perhaps instead of the infinite pause, how about adding an 
infinitely-looping still frame afterwards, displaying a small, perhaps 
even zero-size button so you have to press OK to go to the desired slide:

     <vob file="Slide-098.m2v" pause="inf" />
     <vob file="1_second_still_frame.mpg">
         <cell start="0" end="0.333">
              button = 0;
         </cell>
         <cell start="0.333" end="0.666">
             if (button eq 1024) jump title 2 chapter 11;
         </cell>
         <cell start="0.666" end="1">
             jump prev cell;
         </cell>
     </vob>
   </pgc>

Note this uses the link-subset commands I implemented in 0.6.18. I’m 
still waiting to see someone successfully make use of them. :)

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