I have explored a couple of alternatives to edit a video by using an
interactive quartz composition.
I would like to have a cocoa interface for doing so. Here is what I
have done up to now. I am at the level of getting a feel of what the
building blocks of the application interface are and how it could be
done.
I have tried to include the source video as a patch in the interactive
quartz composition, by clicking on the composition for example I can
add circles, squares, cubes etc to the visual content. It more or
less works after I have built a movie controller to move back and
forth in the composition time line but when I stop the composition,
everything becomes black. I find this cumbersome and would rather use
the QTKit classes to deal with the video and capture the user
interactions at the quartz composition level. So what I thought of
doing was to add a QTView object and a Quartz Composer view to the
interface, making the composition transparent and putting it on top of
the QTView. The problem in that case is that the QTView always masks
the Quartz composition.
As anyone explored a similar application and found a way to overlay a
quartz composition over a QTView in Interface Builder?
Thanks
Bruno
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