Video is distorted when trying to edit?

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Daniel R

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Video is distorted when trying to edit?

PostTue Mar 20, 2018 6:38 am

Hey guys,

I been editing with Resolve 14.3 for a few weeks now and have run into an issue when trying to edit some 21:9 video clips. I am getting issues with the video all stretched out to the point of it being un-viewable. I find it strange because some of these clips I was able to edit with out issues, but recently all the clips seem to have this issue.

Untitled-1.jpg
Image of what I see
Untitled-1.jpg (385.07 KiB) Viewed 2826 times


Audio for these clips are fine in resolve and when I play those clips back with anything other then resolve it plays back without issues.

Does anyone have any idea what can be causing this?
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Uli Plank

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Re: Video is distorted when trying to edit?

PostWed Mar 21, 2018 7:52 am

Can you tell us about your hardware, the format of those clips and the codec?
No, an iGPU is not enough, and you can't use HEVC 10 bit 4:2:2 in the free version.

Studio 18.6.5, MacOS 13.6.5
MacBook M1 Pro, 16 GPU cores, 32 GB RAM and iPhone 15 Pro
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Daniel R

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Re: Video is distorted when trying to edit?

PostWed Mar 21, 2018 3:54 pm

The hardware that I am using is:
-Intel i7-7700k
-Nvidia GTX 1060 6GB (391.01 Driver)
-16GB 2400MHz ram
-Windows 10 Home (1709 build)

As for the video format/codec. Its using a MP4 format with the H.264 codec at a resolution of 2580x1080 @ 60. (Note - Videos that are at 1080p with the same settings don't show this issue)
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Uli Plank

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Re: Video is distorted when trying to edit?

PostWed Mar 21, 2018 4:54 pm

You may be getting tight on your hardware.
Could you try to transcode some footage to ProRes or DNxHR and see if the error persists?
No, an iGPU is not enough, and you can't use HEVC 10 bit 4:2:2 in the free version.

Studio 18.6.5, MacOS 13.6.5
MacBook M1 Pro, 16 GPU cores, 32 GB RAM and iPhone 15 Pro
Speed Editor, UltraStudio Monitor 3G, iMac 2017, eGPU
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Dwaine Maggart

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Re: Video is distorted when trying to edit?

PostWed Mar 21, 2018 8:55 pm

Can you share a link to a sample file exhibiting this issue?
Dwaine Maggart
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Daniel R

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Re: Video is distorted when trying to edit?

PostWed Mar 21, 2018 9:51 pm

Just a update:

I tried converting to DNxHD, and it did work but the video was no longer the original aspect ratio due to the limitation of the software I was using. (ie - Did not support keeping 21:9 aspect ratio)

I have uploaded one of the clips that has this issue but the forum keeps complaining that I am not allowed to upload links to that clips. Any ideas?
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Dwaine Maggart

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Re: Video is distorted when trying to edit?

PostWed Mar 21, 2018 11:46 pm

Can you obfuscate the link, so it doesn't look like a link?
Dwaine Maggart
Blackmagic Design DaVinci Support
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Daniel R

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Re: Video is distorted when trying to edit?

PostThu Mar 22, 2018 1:32 am

Alright hope this works.

http://bit.l
y/2DKHnry
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Dwaine Maggart

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Re: Video is distorted when trying to edit?

PostThu Mar 22, 2018 2:09 am

This clip is OK on Resolve Studio 14.3 on a Windows 10 system with a GTX 1050Ti card.

Are you using the free version? If so, I'll test that next.
Dwaine Maggart
Blackmagic Design DaVinci Support
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Daniel R

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Re: Video is distorted when trying to edit?

PostThu Mar 22, 2018 2:59 am

Interesting
Yes, I am using the free version of resolve.
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Dwaine Maggart

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Re: Video is distorted when trying to edit?

PostThu Mar 22, 2018 3:57 am

Yes, your clip is not properly processed in the free version of Resolve.

We'll add it to the list.

If you want a quick fix, a Resolve license might be a consideration.
Dwaine Maggart
Blackmagic Design DaVinci Support
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Daniel R

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Re: Video is distorted when trying to edit?

PostThu Mar 22, 2018 4:30 am

Alright, Thanks for the help.

Was trying to figure out this issue for a bit, glad to find out the reason.

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