4k output choppy from Premiere Pro

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4k output choppy from Premiere Pro

Postby surfengine on 10/18/2016, 6:48 pm

Does anyone have any tips on outputting 4K video from PP?
Original format was R3D and was exported to MOV. When played on a system using quicktime player the video chugs and freezes often. At times it was completely unplayable.

I thought this was a PC issue but after looking into it some, I think it must have something to do with the encoding.
The PC spec:
Xeon processor
Matrox C680 video cards (x2)
32GB of RAM
SSD hard drive (240GB)

When running the file the CPU was never above 10%, memory was around 10%. GPU processor and GPU memory were usually around 20%.
The output of the PC is to (4) 1920x1080 displays.

Color depth was set to 24 bits (I am pretty sure that matches the displays which are 8bit per channel).

I'm sure I am leaving some crucial info out, but please ask.

Thanks.
surfengine
 
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Re: 4k output choppy from Premiere Pro

Postby surfengine on 10/18/2016, 7:32 pm

I should also mention (as I have been searching for answers I see everyone is exporting to h264) that I do not want an output that has compress or any artifacts. The purpose of the output is to have the best possible video quality.
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Re: 4k output choppy from Premiere Pro

Postby JPT7505 on 10/18/2016, 9:11 pm

How do you know its a premiere issue? Have u tried another 4k video or another player?
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Re: 4k output choppy from Premiere Pro

Postby Guitarboy2828 on 10/18/2016, 10:34 pm

What codec are you exporting it with to MOV? I'd bet its quicktime player that sucks in this instance, try a different player.
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Re: 4k output choppy from Premiere Pro

Postby surfengine on 10/19/2016, 12:04 pm

I tried on VLC player and it wouldn't even run or at least not after 30seconds before I gave up. If you have successfully exported similar files, what player did you use it on?

The settings in PP:
format: quicktime
preset: gopro cineform rgb 12-bit with alpha
codec: Animation
quality: 100
width: 3840 height: 2160
frame rate: 29.97
field order: progressive
aspect: square pixels 1.0
color depth: 24 bit
use maximum render quality: on
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Re: 4k output choppy from Premiere Pro

Postby JPT7505 on 10/19/2016, 2:00 pm

I'm willing to bet it's simply too large of a file for the players to play.
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Re: 4k output choppy from Premiere Pro

Postby surfengine on 10/19/2016, 2:12 pm

do you know of another player to try or does anyone have any experience displaying 4k or higher res on a display wall?
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Re: 4k output choppy from Premiere Pro

Postby JPT7505 on 10/19/2016, 3:42 pm

I work in 4k quite often, mostly for store displays. So yes. I render using hevc so I don't run into this as often but when I do it's due to the bitrate being so high. 80-100mbps etc.

I havent tried it but have heard of 5k player which is free. So you're gonna have to do some research.
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