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A
Arthur5FBC
Inspiring
February 20, 2023
Question

Something weird is going on with Braw on my Timeline

  • February 20, 2023
  • 14 replies
  • 4073 views

Hi there,

 

I'm having some trouble with slow braw playback on Premiere Pro. I'm working with a 6K Braw 5:1 on an HD timeline and have downloaded the Blackmagic Raw plugin for Premiere Pro. My computer build includes an

 

NVIDIA GeForce RTX 3090,

AMD Ryzen 9 3950X 16-Core Processor,

64GB (3200) RAM.

 

The playback on the timeline is really slow, and some things just don't work. It's strange because the playback on the source window is fine, but it's slow on the timeline. I also noticed that the playback seems to be better when the sequence settings are at 6k rather than HD, though it's still not great.

 

Interestingly, when I use DaVinci Resolve on the same computer, the playback is fine. I did a Blackmagic RAW speed test and got 93FPS on 6k 3:1, 8k 60FPS, and the Disk Speed Test showed that read and write is okay up to 12K DCI 60.

 

My CPU maxes out at 70%, and my RAM is at about 50%. GPU is at about 12%, but my disk isn't reading anything which is weird.

 

It even plays back smoother in just the normal Braw Player. Any idea why this is happening?

 

Thanks.

14 replies

Show previous replies
A
Arthur5FBCAuthor
Inspiring
February 20, 2023

So why does turning these settings on slow down my computer so much? 

C
Community Expert
Carlos ZiadeCommunity Expert
Community Expert
February 20, 2023

check this out by the great Jarle Leirpoll:

https://blog.frame.io/2021/06/07/premiere-pro-max-render-quality-max-bit-depth/

    A
    Arthur5FBCAuthor
    Inspiring
    February 20, 2023

    Sweet, I gave those a try but realised it was the max render quality and bit depth that was causing it. 

     

    I didn't realise these would have such a large effect on the playback? 

    C
    Community Expert
    Carlos ZiadeCommunity Expert
    Community Expert
    February 20, 2023

    Sequence Settings - Video Previews - Preview File Format: try QuickTime

    Codec: try Apple ProRes

    You can also go for a proxy workflow or if your final export is in HD, encode your

    footage to HD before editing (but i don't think this will preserve raw data needed for grading).

    some other suggestions:

    if you are grading on Resolve, finish your proxy workflow base editing on Premiere Pro,

    link to original, then export as EDL to migrate the edited project to Resolve (better do this without

    applying any effects from Premiere Pro, just cutting)

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