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CC 2017 Avid DNxHD Alpha Bug

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John Cuevas
CC 2017 Avid DNxHD Alpha Bug
on Nov 10, 2016 at 2:47:56 pm

Regardless of choosing Pre-mult or straight all alphas coming out using the Avid DNxHD codec are coming out pre-multiplied. Also defaults everything to RGB color space. DNxHD works with both color spaces and it would be nice to have that option restored. If I'm missing a settings in the codec please let me know, but this is unacceptable.

CC2017 - PreMult Alpha, Notice black line all around green box_RGB color.

CC 2017 - Straight Alpha-black line all around green box_RGB color.

CC 2015 - Straight Alpha- Clean all around, 709 color

Johnny Cuevas, Editor

"I have not failed 700 times. I have succeeded in proving that those 700 ways will not work. When I have eliminated the ways that will not work, I will find the way that will work."
---THOMAS EDISON on inventing the light bulb.

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Frank Feijen
Re: CC 2017 Avid DNxHD Alpha Bug
on Nov 10, 2016 at 3:41:37 pm

Same issue here, so it's back to 2015...

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Jeremy Vannix
Re: CC 2017 Avid DNxHD Alpha Bug
on Feb 8, 2017 at 4:20:05 am
Last Edited By Jeremy Vannix on Feb 25, 2017 at 7:21:59 am

I'm having the same issue. It's also crazy that the color depth is locked at Millions of Colors with the DNxHR/DNxHD codec. Trillions of colors is standard for HD & UHD video.

I wish they would just enable the old plugin in QuickTime codecs as before so you at least had the option to choose. This is really unfortunate.


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