FCP plugin memory usage
FCP plugin memory usage
- Subject: FCP plugin memory usage
- From: Steve Christensen <email@hidden>
- Date: Mon, 16 Mar 2009 23:57:51 -0700
On the first call to renderOutput:... my plugin loads an external
image file to use as part of its effect. Since render performance
would outright suck if I loaded the image and then tossedit after
rendering each frame, I keep the image in memory and dispose of it in
the plugin's dealloc method.
While doing some testing I noticed that instances of my plugin get
created as it is associated with a clip but don't get deallocated
until either the project containing the clip is closed or FCP quits.
This suggests that if there are enough clips using my plugin, for
example, then application memory could get tight. Based on my
understanding of the FxPlug API, there doesn't appear to be a way to
determine that rendering is really done, or at least the plugin won't
be needed "soon." Does this mean I have to hope that a user doesn't
overload FCP's memory and cause a crash?
steve
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