From: Darrin
Cardani <
email@hidden>
Date:
Thursday, May 1, 2014 2:56 PM
To: Paul
Miller <
email@hidden>
Cc:
Pro-Apps-Dev <
email@hidden>
Subject: Re:
Motion Color parameter round-tripping
It’s converting them between color spaces. I
believe that the values you send to
-addColorParameter: are in sRGB because that’s the
color space that the user interface operates in. But
your filter will process them in either linear or
gamma-corrected RGB (depending on your -properties)
with Rec. 709 primaries rather than sRGB primaries.
Darrin
On May 1, 2014, at 2:52 PM, Paul Miller <
email@hidden>
wrote:
If I create a color parameter in my filter
with
R=0.7647, G=0, B=0.349
When I read the color parameter I get this:
R=0.734, G=-0.0002, B=0.30894
Why doesn't Motion like my default values?
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