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Premiere + AE with dynamic-link (or AVI) = wrong alpha!

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Seveal NaikonPremiere + AE with dynamic-link (or AVI) = wrong alpha!
by on Jan 18, 2015 at 9:09:29 am


I recently discovered this bug.
What can I do for normal transparency in PPRO with dynamic-link?


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Seveal NaikonRe: Premiere + AE with dynamic-link (or AVI) = wrong alpha!
by on Jan 18, 2015 at 12:04:53 pm

I also found some problems with transparency in the PPRO
built-in Titler can not properly display 100 opaque shadow!

Even the effect "Drop Shadow" also draws transparency wrong! too sharp decline at the beginning!


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Seveal NaikonRe: Premiere + AE with dynamic-link (or AVI) = wrong alpha!
by on Jan 18, 2015 at 12:29:34 pm


I found that this bug occurs only with CUDA!


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Tero AhlforsRe: Premiere + AE with dynamic-link (or AVI) = wrong alpha!
by on Jan 18, 2015 at 4:33:21 pm

You should write this to the Adobe bug report/wish form site.


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Walter SoykaRe: Premiere + AE with dynamic-link (or AVI) = wrong alpha!
by on Jan 19, 2015 at 5:24:09 pm

[Seveal Naikon] "I found that this bug occurs only with CUDA!"

I suspect that what you are seeing is due to the fact that Premiere processes with linear color with CUDA by default, not gamma-encoded color like Ae does by default.

You can get them to match by changing your Pr sequence settings, unchecking "Composite in linear color," or by changing your Ae project settings, checking "Blend Colors Using 1.0 Gamma" or working in a linear space.

Walter Soyka
Designer & Mad Scientist at Keen Live [link]
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
@keenlive [twitter]   |   RenderBreak [blog]   |   Profile [LinkedIn]


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Seveal NaikonRe: Premiere + AE with dynamic-link (or AVI) = wrong alpha!
by on Jan 19, 2015 at 6:51:33 pm

Thank you, look what it is!


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