Re: FCP6 TemporalImageAPI - returning an image different from main input
Re: FCP6 TemporalImageAPI - returning an image different from main input
- Subject: Re: FCP6 TemporalImageAPI - returning an image different from main input
- From: Peter Litwinowicz <email@hidden>
- Date: Wed, 02 May 2007 10:41:10 -0700
- Thread-topic: FCP6 TemporalImageAPI - returning an image different from main input
Title: Re: FCP6 TemporalImageAPI - returning an image different from main input
> What is confusing is if I am working in a sequence that is 720x480 DV
> (interlaced), and my track has a 720x540 PROGRESSIVE movie clip on it
> (which FCP happily SCALES to fit the 720x480 sequence size), my plugin
> gets as INPUT a 720x240 FIELD.
>
> But if I request a frame via the temporal API (using the RenderInfo that
> was passed in to me - you know, the one that tells me what field I am on
> and such), I get back a 720x540 FRAME.
As I said:
From PAUL: input images are in the timeline format, not the media format.
Which is the crux of the problem. The problem is that for efficiency’s sake that you guys have assumed that input that the layer is applied to has the same settings as the output (or “sequence”) settings. This is what should be changed, not the API for temporal frame access. Okay, we can’t do that today because it involves an entire restructuring that can’t be done for the release of FCP 6/Motion 3. So perhaps we should leave it in as as a special case (to be addressed, of course, in a future release :-) ).
The problem, as I see it, is that you ever get a 720x240 field on a progressive input clip (perhaps 720x480, with pixel aspect ration correction, but then the temporal API should also return that size).
Yes, it’s inconsistent and problematic (and confusing). I just want to make sure we fix this the right way, and not fix the temporal API in a way that continues what I see as a problem.
Pete
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