Re: Bug with FxParameterRetrievalAPI in Motion
Re: Bug with FxParameterRetrievalAPI in Motion
- Subject: Re: Bug with FxParameterRetrievalAPI in Motion
- From: "Emile Tobenfeld (a. k. a Dr. T)" <email@hidden>
- Date: Mon, 23 Jul 2007 13:30:26 -0400
Title: Re: Bug with FxParameterRetrievalAPI in
Motion
At 10:21 AM -0700 7/23/07, Darrin Cardani wrote:
On Jul 20, 2007, at 1:03 PM, Paul Miller
wrote:
Peter Litwinowicz wrote:
So I discovered this handy little bug
within Motion (at least I consider it a bug)
When calculating the thumbnail view,
Motion states that my InputImage and Output Image (in the
-renderOutput call) is 146x100. Cool enough.
Yeah, I "discovered" that
little gem a few months ago, but I can't remember if I told anyone
about it.
Isn't this behavior similar to After
Effects? Looking at the source to one of my old plugins, I see that
whenever I do a checkout of a layer parameter, I always have to first
allocate a PF_World that's the same size as the output. Then I have to
checkout the layer into a PF_ParamDef structure. Then I have to copy
from the ParamDef structure into the PF_World I allocated to resize
the checked-out layer to the size I actually need. I thought I had to
do this because the checkout always occurs at the checked-out layer's
original size. Was I doing more work than I needed to? Or does that
only occur when you have a layer parameter the user can change, and
not when the layer parameter you're checking out is the input
layer?
The issue I have seen mainly involved checking out the input
layer. There are numerous circumstances (in both hosts) where the size
of the bitmap returned from GetInputBitMap does not match the size of
the source passed to render. This would never happen (AFIK) in
AE.
(Sorry - it's been a while since I've
looked at that stuff, so I could be remembering wrong.)
Darrin
--
Darrin Cardani
email@hidden
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Emile Tobenfeld, Ph. D.
Video Producer
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