Re: QuickTime movie layering

2001-01-14 Thread Geoff Canyon

At 12:49 PM -0500 1/12/01, Robert J. Beichner wrote:
>Are there any QuickTime wizards out there?
>
>I'm trying to put a small graphic object on top of a quicktime movie. The
>basic idea is that a person clicks on the movie and a marker appears at the
>spot where they clicked. I can grab the mouseUp on the movie and place the
>graphic in the correct position, but the movie refreshes itself
>instantaneously and covers the graphic. If I click near the edge of the
>movie, I can see part of the graphic "sticking out" beyond the edge of the
>video that does not get blasted away. I can set the layer of the movie
>player, but it seems to be ignored. It is always on top.
>
>On a related note, I don't suppose there is a direct way to determine which
>frame number of the movie happens to be showing? I can get currentTime from
>the player, as well as the duration of the clip. But without knowing the
>duration of each individual frame, I can't convert the currentTime to a real
>time measured in seconds.

This kind of thing might better be handled by QuickTime itself, 
depending on the circumstances. Check out LiveStage, from TotallyHip:

http://www.totallyhip.com

It's about $600, but it does this sort of thing easily. Electrifier 
from Lari, price unknown, might also do this. I think their site is

http://www.larisoftware.com

or maybe just www.lari.com

gc

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Re: QuickTime movie layering

2001-01-12 Thread Jack Rarick

At 12:49 PM 1/12/01 -0500, Robert Beichner wrote:
>Are there any QuickTime wizards out there?

I'm not a wizard ... but I'm spending a lot of time with it!

>
>I'm trying to put a small graphic object on top of a quicktime movie. The
>basic idea is that a person clicks on the movie and a marker appears at the
>spot where they clicked. I can grab the mouseUp on the movie and place the
>graphic in the correct position, but the movie refreshes itself
>instantaneously and covers the graphic.

Set the alwaysBuffer of the player to True.  It has been my experience so
far that this really degrades performance 


>On a related note, I don't suppose there is a direct way to determine which
>frame number of the movie happens to be showing? 

The player is constantly pumping out the currenttime of the movie.  I have
placed this small script in the player ("yourPlayerName") and created a
field called "currentTime"

on currentTimeChanged
put (the currenttime of player "yourPlayerName"/600 into field "currentTime"
end currentTimeChanged

This will give you a running clock.  I divided this number by 600 to get
the exact time in secs.  

I hope this helps.

Jack Rarick
Braintree Athletic Systems



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QuickTime movie layering

2001-01-12 Thread Robert J. Beichner

Are there any QuickTime wizards out there?

I'm trying to put a small graphic object on top of a quicktime movie. The
basic idea is that a person clicks on the movie and a marker appears at the
spot where they clicked. I can grab the mouseUp on the movie and place the
graphic in the correct position, but the movie refreshes itself
instantaneously and covers the graphic. If I click near the edge of the
movie, I can see part of the graphic "sticking out" beyond the edge of the
video that does not get blasted away. I can set the layer of the movie
player, but it seems to be ignored. It is always on top.

On a related note, I don't suppose there is a direct way to determine which
frame number of the movie happens to be showing? I can get currentTime from
the player, as well as the duration of the clip. But without knowing the
duration of each individual frame, I can't convert the currentTime to a real
time measured in seconds.

Thanks,

Bob Beichner
NC State Physics


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