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Playback issues in timeline

New Here ,
Mar 16, 2023 Mar 16, 2023

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Hello everyone. I have been attempting to get the optimal playback in Premiere. After purchasing a top-of-the-line computer as well as an extremely fast SSD, I am still having playback issues even on a 1080p timeline. I have tried setting the 'RAM reserved for other applications' as low as it will go (12GB). I know that I can use proxies and I know that I can render the timeline, but thought I would not have to with my current setup. Any pointers would be appreciated, here is what I am working with.

 

• MacBook Pro 16-inch, 2023 - 96GB memory, macOS Ventura 13.2.1. 1TB internal drive.

• Adobe Premiere Pro 23.1.0 (Build 86)

• Using internal SSD in external enclosure:

spencerd97816127_2-1678971610260.pngexpand image

 

• Footage in timeline 

spencerd97816127_0-1678971429340.pngexpand image

• Sequence Settings

spencerd97816127_1-1678971502420.pngexpand image

 

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Editing , Hardware or GPU , Performance

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Community Expert ,
Mar 16, 2023 Mar 16, 2023

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Is that without any effects applied?

 

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New Here ,
Mar 16, 2023 Mar 16, 2023

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I do have Lumetri Color applied to 2 of the layers. Here is what the timeline looks like

spencerd97816127_0-1678983856006.pngexpand image

 

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Community Expert ,
Mar 16, 2023 Mar 16, 2023

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Lumetri with H.264 sometimes requires rendering for smooth playback.

 

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New Here ,
Mar 17, 2023 Mar 17, 2023

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It did help some to turn off Lumetri. What would you say is an ideal media format to work with in Premiere? We currently shoot mainly with Canon C70 set up to record XF-AVC 10BIT 422 UHD/4K LONG GOP.

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LEGEND ,
Mar 16, 2023 Mar 16, 2023

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You're running up to 3 tracks simultaneously of long-GOP media, the nastiest codec there is for editing.

 

Most colorists I know work on beastly machines that make yours and mine look like a kids starter toy. And they hate long-GOP with a purple passion. Many simply transcode all H.264 and H.265 media to something like ProRes or a DNx prior to conforming into Resolve.

 

Long-GOP performance on any one machine is heavily dependent on the hardware of that rig having specific and effective long-GOP decoding bits. Some do, many don't.

 

And I don't know the specifics per computer on that like a few others here do.

 

My 24 core Ryzen 3960x w 128GB of RAM and 2080Ti doesn't do too bad with a couple tracks of H.264 but with 3 starts to struggle with any effects applied.

 

Neil

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New Here ,
Mar 17, 2023 Mar 17, 2023

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What would you say is an ideal media format to work with in Premiere? ProRes? We currently shoot mainly with Canon C70 set up to record XF-AVC 10BIT 422 UHD/4K LONG GOP.

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LEGEND ,
Mar 17, 2023 Mar 17, 2023

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I looked that rig up, and it seems it can do an intraframe XAVC ... have you tried that? As at least, there's no long-GOP processing required then. Wouldn't be as compressed, naturally.

 

I know people that tend to transcode all XAVC long-GOP, in either Pr or Resolve, to either the appropriate ProRes or DNx variant according to bitrates of the original file. Typically an overnight operation so it doesn't take time during a workday.

 

Neil

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