Green Flash frames in ProRes HQ 2k sequence crash

[Sean Oneil]

I just tested RED footage for the first time yesterday. All the clips I imported from Log & Transfer were solid green (you’d think they’d be red – ho ho).

I think this is just one of the many bugs that exists in the RED post workflow. Red Alert seems to be the best method to convert to ProRes.

Sean

[Gabe Thorburn]

RED has a warning about a problem with green flash frames on the top of their support page. It’s a problem using the QT proxies the camera generates. Their solution is to transcode into ProRes.

I’ve imported all the clips successfully using RED’s L&T plug in.

So in theory once they have been transcoded to ProRes it shouldn’t have anything to do with the Red Codec. The green flashes seem to happen kind of randomly, and I suspect it’s probably a FCP/QT/ProRes issue.

[Rafael Amador]

Green frames sound to video card misfunction too.
You should ask in the Kona forum too.
rafael

http://www.nagavideo.com

[Scott Robert]

I’m having the same issue here. The video looks great on my SD monitor. The viewer shows green flashes and sometimes my sequence does too. I’m guessing it may have to do with the graphic card or FCP…

When I scale it more or less 1 pixel, the problem goes away.

[Gabe Thorburn]

Yes,
The fact that it’s not going out through the monitor makes me think it’s not a Kona issue but a FCP issue.

[Scott Robert]

The funny thing is if I go to Modify>Alpha Type>Straight
In the viewer window, change background white.
The image on the monitor is fixed but the video out to the SD monitor is turned off during play.

Turning on a range check will only be green during play.

Quicktime player plays the video no problem so it can’t be a graphic card issue. Like you said – it must be FCP.

[Kathryn Lahr]

I am having trouble with FCP with Red footage converted through REDrushes. The footage is fine. Playback is fine. But pausing and scrubbing show green in the canvas and viewer…below is a link to the screen grab….

https://get-kinetic.com/images/fcp_screengrab.jpg

THANKS!
~Kat

[Scott Robert]

I read somewhere that you need a graphic card with more than 256mb. Someone upgraded the card and resolved his issue.

[Bryan Mir]

I have read this thread and can say I am having all of these same issues. I use the Black Magic Intensity card and thought it was that at first & then started to realize that it was happening mostly to the RED 2k proxies. I have 2 512mb video cards and am still trying to figure out if it’s the video cards, the Intensity card, the RED proxies, or just straight up Final Cut.

One thing that helped me was changing the sequence rendering to “Always RGB”………it seemed to fix a lot of the issues, but I still get green flashes here and there.

I’m using:
Octo Mac Pro
2x Nvidia 8800 Video Cards
8gb RAM
Black Magic Intesity Card

If anyone has any other advice……..I’m all ears!!!……..Thanks!

Bryan MIr

[Kelvin Hutchins]

Hi all

I am having the exact same problem!

Green screen on all material at either 2048×1152 or 2048×1024. Even photoshop docs are appearing in that timeline/viewer as green.

I have tried everything possible and asked so many people but no answer. The idea of starting again and making all my rushes as apple pro res at this stage in our post production is not really an option.

Anyone get any answers for this??