After Effects crash when “color depth” switched to 16 bit

[Roland R. kahlenberg]

Try using an actual QT movie instead of a QT Ref.

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[Terrence Meiczinger]

You don’t need to convert to 16-bit. OpenDCP will accept 8-bit.

[Philippe Brunot]

I’ve tried using an actual QT movie (Avid DNxHD codec) instead of a QT Reference and the problem stays the same: AE crashes when I try to switch to 16bpc…

I understand OpenDCP accepts 8-bit, but I want to upscale my film size from 1920×1080 to 3996×2160(4K) and loose as little quality as possible in process.

[Terrence Meiczinger]

Is your source 16-bit or 8-bit? If it’s 8-bit, then leave it at 8-bit. If your material is 2K, it’s most likely going to look better shown at 2K rather than an upscale to 4K. It will also be smaller and faster to render.

[Todd Kopriva]

Would you be willing to send us a small example file that causes this crash?

You can send a bug report with attachments to aebugs (at) adobe [dot] com.

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Todd Kopriva, Adobe Systems Incorporated
After Effects quality engineering
After Effects team blog
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[Philippe Brunot]

Thank you Terrence, so I will leave my footage at 8bit and only upscale my frame size from 1920×1080 to 2K (1998×1080).

As a result, I will be making a DCP with the following specs:
– 8 bits of color per channel
– 2K (1998×1080)
– 25fps

[Terrence Meiczinger]

You don’t have to change your image aspect either, you can keep it at 1920×1080 and it will show fine using the flat mode. You’ll end up with 39 pixels of black on both sides which most people wont even notice. Just another option.

[Philippe Brunot]

OK great, I’ll leave it at 1920×1080 as suggested.

Thanks again for your insights.