Proxy Mode: Resize Failure

Hi all,

I'm running the most recent Resolve 16 Beta V3 on a 2018 Mac Mini Running Mojave. Whenever I try to toggle on the proxy mode, it does indeed reduce the size, but then does not properly resize to the full timeline size and instead leaves a black box around the area of "empty pixels". Anybody else running into this?

-Ty Ueda

yes, and it depends on settings used for both input and output sizing. With certain settings, it won't appear a different size at all.

How foolish of me. Thank you for pointing that out.

New to Resolve, so any help much appreciated.
I'm trying to help the playback of my footage by using proxy mode, but when I choose 1/4 or 1/2 res proxy, it just makes the picture smaller. Really frustrating!

yes, and it depends on settings used for both input and output sizing. With certain settings, it won't appear a different size at all.

What are the input and output sizing settings you mention?

Sorry I don't understand the solution, please write again! Thanks

The problem is at a new Win10 and Resolve Studio 14b4 install also

If you use "Playback" -> "Proxy mode" any other than off, the preview became mini with black border.

Same here. Not found the solution.


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How foolish of me. Thank you for pointing that out.

Did you solve this behavior with some settings?


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You might try in:
Project Settings/Image Scaling/Output Scaling/Mismatched resolution files
Choosing "Scale entire image to fit"
I think this worked for me.

You might try in:
Project Settings/Image Scaling/Output Scaling/Mismatched resolution files
Choosing "Scale entire image to fit"
I think this worked for me.

Thank you very much. This works. I love this community.


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You might try in:
Project Settings/Image Scaling/Output Scaling/Mismatched resolution files
Choosing "Scale entire image to fit"
I think this worked for me.

Thank you so much! I'll try this, when i install again the r16!

You might try in:
Project Settings/Image Scaling/Output Scaling/Mismatched resolution files
Choosing "Scale entire image to fit"
I think this worked for me.

Yes, it was the solution Thank you very much!

but... proxy mode shouldn't be treated as a mismatched resolution file.
this shouldn't happen in any of the mismatched resolution modes.

I guess you are true

I got the same issue since beta4.
Still isn't fixed in beta5.
But "Scale entire image to fit" works. So it's ok

Definitely is it bug.

I can't seem to get it to work in 16b5 even when "scale entire image to fit" is selected. Proxy mode just makes the image 1/2 size floating in the middle of the screen.

I can't seem to get it to work in 16b5 even when "scale entire image to fit" is selected. Proxy mode just makes the image 1/2 size floating in the middle of the screen.

Did you set "scale entire image to fit" for output scaling or for input scaling?

Both. BUT it started working correctly after a computer restart. No idea.

I think this was on by default or something till 16. Thanks - solution provided worked

I have this issue still on 16.1b3, whats goin on???

I have this issue still on 16.1b3, whats goin on???

It's not fixed. Another direct workaround (the above solution is the default but doesn't work for me):

select Render Cache/None, Smart or User (no matter which one you choose, you can choose what's currently check-marked to not disrupt your settings)

It should jump back to full frame...

I have this issue still on 16.1b3, whats goin on???

It's not fixed. Another direct workaround (the above solution is the default but doesn't work for me):

select Render Cache/None, Smart or User (no matter which one you choose, you can choose what's currently check-marked to not disrupt your settings)

It should jump back to full frame...

Aaah, got it, thanks!

I have this same problem: black border round proxy and optimised media.
I have tried changing the Input and Output Scaling, but to no effect. In fact no matter what I choose for Mismatched resolution files, the output remains the same - black border. Restarting Davinci/rebooting has no effect.
Deleting the render cache makes no difference, neither does toggling through None/Smart/User in
Render Cache make any difference.
As I've exhausted all the suggestion in this post, I'm not too sure how to proceed.
The footage was shot as BRAW 6144x3456, and my timeline is set to 3840x2160 UHD, so I don't know if that makes any difference?

Any help greatly received as at the moment the only way I can view the footage comfortably is to switch the view from Fill to zooming it in.

System: OS 10.15.7
DVR v: 17.1.1