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4K DCI footage squashed/scrambled on Intel Mac, but not M1?

Community Beginner ,
Sep 09, 2023 Sep 09, 2023

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Hey everyone, upgraded my Sony FX3 last night which now shoots 4K DCI at true 24 fps.

Importing my footage today and, when not playing the footage (paused, or scrubbing) is squashed/scrambled.

Now, when actually playing the he Preview or Sequence windows, the footage looks fine. It's just when/not playing. The footage also looks fine playing outside of Premiere, with VLC.

Just as well, if I try creating basic Low Res proxies using Premiere's default "ProRes Low Resolution Proxy" setting, the footage is completely squashed/scrambled, even when I play the clips outside of Premiere.

Interpret footage settings are all good, following Square 1.0 pixel aspect that is in the file.

What's the fix for this? Thank you in advance for any guidance!

Edit:

- Experimenting with exporting anything from the timeline, it's also squashed/scrambled.

- I'm on an Intel mac, a colleague of mine opened the same footage in Premiere on an M2 Apple chip, and it's working as expected. So this is an Intel Mac issue?Screenshot 2023-09-09 at 12.19.06 PM.png

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Community Beginner , Nov 15, 2023 Nov 15, 2023

I held out until I got a new mac with an M2 Ultra processor, opened the prjoect and guess what... same issue! I can't remember exactly what I did to fix the issue, but I think I copied the edits in the timeline, started a new project/sequence, and pasted everything in and it was working. If I remember correctly, basically a new project with the assets re-imported in to that project did the trick. Kind of curious if this would have worked on my older mac as well (although I do think I tried this,

...

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Community Expert ,
Sep 09, 2023 Sep 09, 2023

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Which version of macOS are you running?  And which version of Premiere Pro?

 

What happens if you change the magnification from Fit to 100%, 50% or 25%?

Also, try making sure that the Playback Resolution and the Paused Resolution match.

 

 

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Community Beginner ,
Sep 09, 2023 Sep 09, 2023

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Thanks for the reply...

  • MacOS 13.5 Ventura
  • Premiere 23.6.0

Setting the magnification to 100%, 50% & 25% give me the same result.

Changing the Playback Resolution gives me the same result, and even matching the Paused Resolution and Playback resolution as requested does the same thing.

 

Crazier still, I ran a single clip through every single default ProRes setting in Media Encoder (totally outside of Premiere), as well as some different H264 settings, the image renders like this in each rendered result.

 

Again, pushing play on the footage in Premiere plays the clip fine... and opening these clips in VLC play fine... it's just scrubbing, pausing and then rendering that is giving me this result, which is making editing impossible. Thank you for any more suggestions!

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Community Expert ,
Sep 09, 2023 Sep 09, 2023

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Do you have a clip you can share?

 

I can try to reprduce this on my 2021 16-inch M1 Max MacBook Pro and 2017 iMac Pro.

 

 

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Community Beginner ,
Sep 09, 2023 Sep 09, 2023

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Also, my full specs:

  • Processor: 3 GHz 10-Core Intel Xeon W
  • Graphics: Radeon Pro Vega 64 16 GB
  • Memory: 64 GB 2666 MHz DDR4
  • macOS: 13.5 (22G74)

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New Here ,
Nov 15, 2023 Nov 15, 2023

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did you ever fix this? I have the same issue, worked fine in AE though

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Community Beginner ,
Nov 15, 2023 Nov 15, 2023

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I held out until I got a new mac with an M2 Ultra processor, opened the prjoect and guess what... same issue! I can't remember exactly what I did to fix the issue, but I think I copied the edits in the timeline, started a new project/sequence, and pasted everything in and it was working. If I remember correctly, basically a new project with the assets re-imported in to that project did the trick. Kind of curious if this would have worked on my older mac as well (although I do think I tried this, and it didn't).

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