Re: pixel types in Motion and FCP
Re: pixel types in Motion and FCP
- Subject: Re: pixel types in Motion and FCP
- From: Darrin Cardani <email@hidden>
- Date: Thu, 24 Jul 2008 13:29:28 -0700
On Jul 24, 2008, at 1:25 PM, Micah Sharp wrote:
As I recall, because of a bug, or maybe on purpose, in Motion (3.0
and greater) ARGB buffers are in-correctly marked with a pixel type
of RGBA (kFxPixelFormat_RGBA is really kFxPixelFormat_ARGB). This
isn't a problem in Final Cut that I'm aware of.
Question: Is it possible to EVER actually get RGBA pixels in either
Motion or Final Cut? Is support for RGBA ever necessary?
In Motion, all textures are RGBA, and in software all bitmaps are
ARGB. I believe the bug you're referring to occurred before Motion 3.0
on input bitmaps. And I think in 3.0 output bitmaps are still marked
as being RGBA, but the app assumes they're ARGB anyway. I'd have to
run a test to verify that, but that's how I remember it.
Darrin
--
Darrin Cardani
email@hidden
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