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Forums Adobe After Effects CC 2017 Avid DNxHD Alpha Bug

  • CC 2017 Avid DNxHD Alpha Bug

  • John Cuevas

    November 10, 2016 at 2:47 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.

  • Frank Feijen

    November 10, 2016 at 3:41 pm

    Same issue here, so it’s back to 2015…

  • Jeremy Vannix

    February 8, 2017 at 4:20 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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