Adobe after effects CC does not recognize key Alpha for the DNxHD imported clips (.mov)

After the upgrade to Adobe CC, we have faced a problem when trying to import our assets HD (Quicktime .mov Codec: DnxHD 1080i 120). they are imported as a layer... There are no. Alpha key.

These Clips have such a problem when import us them into Adobe After Effects CS6.

Please Adobe, we need a quick solution. This is urgent.

Note that we tried to download the latest version of the AVIDCodecLE package with no results!

Thanks for any idea.

After a long day of troubleshooting, we found that this problem is related to the alpha format when you create/rendering/export the source clip.

Alpha should BE DECOMPACTES is recognized by Adobe after effects CC.

Thank you.

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Format: Quicktime .mov

Video codec: Avid DNxHD

Codec setting

Resolution: 1080i / 50 DnxHD 120 8-bit

RGB 709

Alpha not compressed

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Tags: After Effects

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