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Optical flow on clip speed changes causes PP to crash

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Jon FelixOptical flow on clip speed changes causes PP to crash
by on Dec 27, 2015 at 10:13:49 pm
Last Edited By Jon Felix on Dec 28, 2015 at 6:25:25 pm

As stated really. If I use Optical Flow to interpolate speed changes - it usually crashes PP. On one occasion it actually completely crashed the computer.

Since upgrading from CS6 I have experienced endless problems with PP. Seems to just get worse and worse. Can Adobe really not achieve the stability PP enjoyed before CC? I now often use AVID when clients are present. I hate it, but at least it never crashes. And I'm using FCPX, which I do like [gasp], but is too slow with long form projects.

Please Adobe - sort it out mate!

jon

PS. Morph cut also causes a devastating crash.

5k Imac
32 Gb RAM
Yosemite
Latest PP update (as of Dec 27, 15)

Jon Felix
RAINDOG MOTION PICTURES
Los Angeles


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Chris StoneRe: Optical flow on clip speed changes causes PP to crash
by on May 23, 2016 at 10:57:58 pm

I just had the same problem with Optical Flow giving me a full on system lock-down, had to power down to recover. Did you ever find a solution for this?


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Chris WrightRe: Optical flow on clip speed changes causes PP to crash
by on May 24, 2016 at 1:17:51 am

you both are combining multiple effects like lumetri. unfortunately, optical flow only works well with zero effects applied and non-interframe codecs like prores, dnxhd. you have to pre-render out luts, effects etc. before appling optical flow or your RAM will crash premiere.


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Chris StoneRe: Optical flow on clip speed changes causes PP to crash
by on May 24, 2016 at 1:52:49 am

Thanks for your reply, Chris. I didn't have any other effects, just a speed change (which is the reason I needed the smoothing. However the footage is H.264. You recommend transcoding to Prores?

Thanks again.


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Chris WrightRe: Optical flow on clip speed changes causes PP to crash
by on May 24, 2016 at 2:02:56 am

yes


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Chris StoneRe: Optical flow on clip speed changes causes PP to crash
by on May 24, 2016 at 2:16:51 am

Thanks for your prompt response, much appreciated!


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