On Thu, 17 Jul 2003 17:14:32 +0200, Klaus Major <[EMAIL PROTECTED]> wrote:
Hi Graham, [...] > But what if the movie requires a different mask per frame?
i don't think this is possible at all :-(
Neither with RR nor with QuickTime...
In QT you can only have one static mask (starting with version 5, i think...)
Haven't tried to play such a movie in RR yet. Don't have one at hand... (Anyone did it? Does it work?)
Yup, I did it - no real problem (for the tiny ones I was using anyway) to get them to appear, apart from the masking issue. However there appeared to be a big performance hit, particularly if you allowed the user to drag the player object (with the movie stopped) - this worked far worse than it did in SuperCard - but obviously SC has the advantage of only having to work with the MacOSs. If you want to see my movies (which are really just tiny animations) I can send them to you off list.
--- Try to use one more more animated gifs.
I think this is the only chance to have "moving masks" (a.k.a. "travelling matte" in serious video-editing business ;-) in Revolution.
OK, that's my very next thing. I'll tell you how I get on.
On Thu, 17 Jul 2003 08:38:35 -0700, Scott Rossi <[EMAIL PROTECTED]> wrote:
If you don't have a lot of frames ('a lot' is a relative term) you could use
a series of PNG images which are masked as needed and swap them in sequence
in a button object.
Wow! I hadn't thought of that - the big problem there would seem to be speed (I am worried that some of my users - schools in the UK, chronically short of money - may have very slow machines). But I am keen to try it.
On Thu, 17 Jul 2003 10:06:06 -0700, "Jim Lambert" <[EMAIL PROTECTED]> wrote:
As previously suggested animatedGIF or PNG.
Or, if the background upon which your movie is lain will always be the same, just use an old trick - composite that backgroud right into your movie then run it in an exactly-positioned rect - no mask needed.
Yes, I can manipulate the design of my app to make this possible, so I guess that would be the way to go - but as I'm still worried about the performance hit, I'll probably try one of the other solutions.
The hidden problem for me in using the other solutions suggested is that I want to be able to run the movies forwards or backwards with different speeds and always with sync sound (so that the slow speed movies would have a deeper, slower sound for example). This is a no-brainer in QT, but for every other method (AFAIK) one is just stuck having a whole set of 'movies' called, e.g.
slowest, very slow, slow, normal, fast, very fast, fastest - with appropriate sound tracks.
Much more messy. OTOH, I think I agree with some other listers who have hinted that QT is not **really** a cross-platform solution if one's users are hard-pressed non-experts (in my case, teachers who are not teaching IT). Much as I wish Apple to succeed, I do see it as an additional difficulty to insist that my users download and configure QT.
Thanks again
Graham
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Graham Samuel / The Living Fossil Co. / UK & France
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