On Fri, 11 Feb 2011 21:49:55 +0100 Pablo Rodríguez<address@hidden> wrote:
And there is the issues that I cannot explain: why advancing slides is
almost negligible and going back takes so long?
I think I can. The quote given below is from the page 29 of the SWF File
Format Spec v10:
<snip>
'The contents of the first frame are the cumulative effect of performing all
of the control tag operations before the ShowFrame Tag ..'
which is the point when you see the rendered result on-screen,
'The contents of the second frame are the cumulative effect of performing
all of the control tag operations from *the beginning of the file to the
second* ShowFrame Tag, and so on.'
</snip>
Now you know why there is a massive delay. It's a bit like having to re-
read all the currently read pages of a book, just to assimilate the next
one. If it happens to be relatively large book ( file ), then not to put
a finer point on it, you are up jolly old this creek without the aid
paddle.