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I'm new to Rush. When editing a set of 4K 30fps clips on my desktop I constantly get jittery / frozen playback when editing. I've noticed that this happens only during high CPU usage. Jumping forwards, backwards and rewinding triggers the high CPU usage. Even stepping forward/backwards frame by frame several times will trigger high CPU. If I wait until the CPU usage drops to zero, I can make a few edits before high CPU starts again. But there is a lot of waiting. Exported video playback is just fine.
The only suggestion I've seen here is to set preview quality to low which I've done.
I'm using a Windows 10 desktop. It's a powerful computer: Intel Xeon, dual-processor, 6 physical cores per CPU, hyperthreading, so 24 logical processors. Quad channel memory. I have a decent but not super-powerful graphics card. Rush does not seem to make any use of the graphics card, and uses less than half of the PC's RAM.
I know 4K is demanding, but I don't see how it would be possible to edit at all on a phone, tablet or slower PC. Am I missing something?
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I'm new to Rush. When editing a set of 4K 30fps clips on my desktop I constantly get jittery / frozen playback when editing. I've noticed that this happens only during high CPU usage. Jumping forwards, backwards and rewinding triggers the high CPU usage. Even stepping forward/backwards frame by frame several times will trigger high CPU. If I wait until the CPU usage drops to zero, I can make a few edits before high CPU starts again. But there is a lot of waiting. Exported video playback is just fine.
The only suggestion I've seen here is to set preview quality to low which I've done.
I'm using a Windows 10 desktop. It's a powerful computer: Intel Xeon, dual-processor, 6 physical cores per CPU, hyperthreading, so 24 logical processors. Quad channel memory. I have a decent but not super-powerful graphics card. Rush does not seem to make any use of the graphics card, and uses less than half of the PC's RAM.
I know 4K is demanding, but I don't see how it would be possible to edit at all on a phone, tablet or slower PC. Am I missing something?
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Hi there!
Thank you for reaching out. I understand that you're having trouble with the playback in Premiere Rush.
Let us know, we're here to help.
Thanks,
Kartika
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Kartika,
The info you requested:
Rush version 1.2.12 (Build 10)
Six MP4 clips; 4K @ 30 fps; length of 2 to 5 minutes each; total size 16 GB
Was not sync'd to cloud; but just turned on sync
The clips are visually very dense; I'll look at some other media to see if it has the same issues.
Other info:
GPU is an AMD R9 390 with 8GB VRAM. It is not being used by Rush.
Updated to latest AMD drivers today after posting this topic; same jitter problem.
I'm surprised the GPU is not listed as supported, the same chipset (mobile version) looks to be supported on Mac.