Re: image formats for rendering, etc.
Re: image formats for rendering, etc.
- Subject: Re: image formats for rendering, etc.
- From: Andreas Wittenstein <email@hidden>
- Date: Thu, 7 Jun 2007 08:42:27 -0700
On Jun 6, 2007, at 8:23 PM, Paul Schneider wrote:
all images in FxPlug are premultiplied, including the YUV images.
It's a strange choice, but that's the way it is.
It's for speed.
On 7 Jun 2007, at 07:50, Stonewall Ballard wrote:
I've never seen a formula for premultiplying YUV. Is it just a
linear scaling of the Y channel by the A channel?
Yes.
Andreas Wittenstein
BitJazz Inc.
http://www.bitjazz.com/
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