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Preview Lag with rendering timeline

New Here ,
Sep 22, 2018 Sep 22, 2018

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Hello guys,

I've had the problem for a long time that my preview Lag in Adobe Premiere.

The problem is no matter what I do it does not help.

I have seen many forums entries but unfortunately nothing could help.

If i rendering In/Out the timeline it lag..

CPU:

I7  - 7820 8/16 cores @ 4,5 Ghz

GPU:

GTX 1060 6GB

Hard Drive:

System: WD Black speeds up to 3000/3000 MB/s

Media Cache: Samsung Evo 850

Video on: Samsung Evo 840

RAM:
4x8 GB DDR4 2666mhz

Media Info:

Video

ID                                       : 1

Format                                   : AVC

Format/Info                              : Advanced Video Codec

Format-Profil                            : High@L4.2

Format-Einstellungen                     : CABAC / 4 Ref Frames

Format-Einstellungen für CABAC           : Ja

Format-Einstellungen für RefFrames       : 4 frames

Codec-ID                                 : avc1

Codec-ID/Info                            : Advanced Video Coding

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LEGEND ,
Sep 22, 2018 Sep 22, 2018

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That's long-GOP media it would seem ... what's the frame-size/rate for it, and what camera/device created it?

Are you leaving the Program monitor set to full res (lower right corner) or dropping to 1/2 or 1/4?

Have you tried using the included Cineform proxy preset?

Neil

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New Here ,
Sep 22, 2018 Sep 22, 2018

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Hey Neil,

its no camera its from Twitch, i am a video editor for some streamer.

I edit twitch stuff for YouTube.

The most size is 1920x1080 @60 FPS with 8000kbit.

The only problem what i see is the long size, the most VOD´s are +6 hours.

The monitor settings 1/2 or 1/4  dosnt change anything.

Yea i used the included Cineform proxy.

i cant say what the problem is, i mean the hardware is really good for this what i do.

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LEGEND ,
Sep 22, 2018 Sep 22, 2018

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I think that media is probably at issue. Is it variable or constant frame rate?

Neil

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New Here ,
Sep 22, 2018 Sep 22, 2018

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variable frame rate, i know its really bad, but overall lags only because variable  frame rate ?

Any idea to fix it ?

The problem i cant change variable or not, its Twitch Stuff that are always variable frame rate.

I must find how i can handle variable frame rate with premire.

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LEGEND ,
Sep 22, 2018 Sep 22, 2018

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The only thing I could suggest would be transcoding that with perhaps with Handbrake to CFR set at a specific number for FPS, and with compression set to near placebo.

With the length of your files that would take a while, maybe do it overnight.

Neil

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New Here ,
Sep 22, 2018 Sep 22, 2018

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Yes i know that will fix it, but its no option for me.

I must edit 10-12+ hours around every day thats rly strong for me to transcoding every day 10hours +.

But i guess thats the only Option and i cant fix it and must work with lags ?

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LEGEND ,
Sep 22, 2018 Sep 22, 2018

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If you can't get proxies to work better, and going to 1/2 or 1/4 resolution doesn't help ... yea, you're kind of stuck in a not great place.

Neil

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New Here ,
Sep 22, 2018 Sep 22, 2018

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hmm okay thats really sad, but thanks for your help thanks a lot.

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