On sre, 2006-05-17 at 11:03 -0400, Joe Stewart wrote:
> In my editing, I frequently make use of camera automation to simulate 
> pans/zooms across still screenshots - much quicker and better quality 
> than actually trying to film the same with a camera pointed at a 
> monitor. The problem is with faster pans (and to some extent, zooms), 
> there is a fair amount of strobing that takes place that makes viewing 
> unpleasant.
> 
> After experimenting with the Interpolate and Time Average plugins to no 
> avail, I think what is needed is a motion blur plugin, and I've started 
> working on one. The easiest way I can see to approach the problem is to 
> use/merge the existing code from the Linear Blur and Zoom Blur plugins, 
> then tie the radius/angle values to the deltas of the camera automation 
> X,Y and Z coordinates for each frame. The problem is - how to get 
> access to the automation values for a frame from within the plugin 
> framework. Anyone have a suggestion/example?


You can't ... you have to extend Cinelerra plugin API to do it.

Which is probably not very easy, since you have to implement whole
keyframe functionality, or return already interpolated values. Former
would seem simpler...

If you make a go at it, try to do it as clean and elegant as possible...

bye
andraz


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