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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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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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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