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Subject: Re: [AE] Levels vs Curves render times
From: Steve Oakley <steveo@practicali.com>
In-Reply-To: <list-5249903@media-motion.tv>
Date: Fri, 11 Oct 2013 19:30:06 -0500
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Message-Id: <DBD76BCB-886C-42BC-A2DD-D657D0C95D39@practicali.com>
References: <list-5249903@media-motion.tv>
To: "After Effects Mail List" <AE-List@media-motion.tv>

I had filed this for PP, but a saturation adjustment as part of curves =
would be great  since often changes made gamma or black point can change =
the saturation level quite a bit. having this adjustment as part of =
curves would avoid needing another filter.=20

also on the list CUDA / OCL rendered and 100% compatible with PP for =
seamless back and forth.

s

On Oct 11, 2013, at 2:22 PM, Todd Kopriva <kopriva@adobe.com> wrote:

> re-awakening a dormant thread:
>=20
> If we were to spend time improving the Curves effect, what would be =
the changes that you'd want to see? Be as specific as possible, and list =
things in your priority order. Anything in the Curves effect is fair =
game for this conversation, including user interface, performance (as =
noted by Chris below), and additional features.
>=20
>=20
>> -----Original Message-----
>> From: After Effects Mail List [mailto:AE-List@media-motion.tv] On =
Behalf Of
>> Chris Zwar
>> Sent: Saturday, 22 June 2013 18:50
>> To: After Effects Mail List
>> Subject: [AE] Levels vs Curves render times
>>=20
>> Hi all,
>>=20
>> I was surprised by something a work colleague encountered this week.  =
I
>> didn't see the project, but I believe it was quite long, with many =
layers of
>> video in it.
>> When he initially went to render it it looked like being a 48 hour =
render (this
>> is after the render has been going for several hours).  This was too =
long, and
>> he guessed that the many instances of the curves plugin were slowing
>> everything down.  He stopped the render and went through the project =
and
>> replaced all the curves plugins with levels instead, to get the same =
effect.
>> Then the entire project rendered in about 2 hours.
>> That's a massive difference in speed - this is AE v5, so not =
something affected
>> by cache.
>> I can understand that curves may be slightly slower to render than =
levels -
>> but I would never have expected such a massive difference.  And my
>> colleague is something of an AE guru and said he had experienced this
>> before, and that he's always found curves to be a slow plugin to =
render.  I'd
>> never really noticed...
>> Any thoughts?
>=20
>=20
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