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christianb95900918
christianb95900918
Participant
November 6, 2017
Question

Tons of lag previewing 4k drone footage. Have a decent comp. Please help

  • November 6, 2017
  • 2 replies
  • 1157 views

Hey I'm trying to edit 4k drone footage in Premiere pro and the footage lags a ton in the preview window. I have it at 1/4 already and the lag is making it impossible to edit. I have a decent build, so I'm confused on why I'm getting tons of lag. My build is:

CPU - Intel i7 7700k 4.2Ghz (not overclocked)

Ram - 32GB
Storage - I only have a Samsung 850 Evo 250GB SSD, but I have most of my files on a 2TB hard drive. Still using about 60% of the SSD though.
Graphics - EVGA GTX 1080 8Gb


When I am previewing the footage, task manager puts Premiere at about 50% of my CPU and 4.5GB of memory.

I run games on ultra high quality with great fps, so I'm just confused on why I'm lagging so hard on 1/4 quality 4k footage. Do I not have a good enough build for 4k? Or is there some quick fix that I'm not doing? Appreciate any help, I'm not a huge software savvy guy so bare with me.

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    2 replies

    M
    masai91
    Inspiring
    November 7, 2017

    Have you tried placing the footage in the SSD?

    I believe the hard drive is the bottleneck here.

    As I understand the best situation is having the footage on one SSD and the cache and projects on a separate one.

    Since you have a nice build it's probably worth doing.

    christianb95900918
    christianb95900918Author
    Participant
    November 6, 2017

    Actually, I've realized that it only lags when I put an effect on it. But all I did was reverse the footage, so nothing really taxing. Playback without any effects runs lag free at 1/4.

    Heres a link to my build, https://pcpartpicker.com/user/Cbach246/saved/#view=4xTsYJ

    E
    exile1972
    Inspiring
    November 6, 2017

    All of the drone footage I've worked with has been H264 and therefore highly taxing to the computer system overall. If you're going to be doing a lot of editing of that footage perhaps the best approach is to transcode it to a better format for editing (i.e., pro res or dnxhd.)

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