Internal video preview full screen in my time line flashes unstable

Francesco-Castellani wrote on 1/10/2025, 2:35 PM

Clicking on internal video preview full screen in vegas time line, in my laptop, video from the time line goes to full screen but playng flashes a lot and is unstable. i haven't ever experienced this problem before, with any version of Vegas since 13TH to today.

I use: Vegas 22 pro suite licensed - my vegas project 1080p 25 fps Progressive - Laptop lenovo, Intel(R) Core(TM) i7-1165G7 @ 2.80GHz (8 CPUs), ~2.8GHz
resolution of the desktop 1920 x 1080 60 Hz. GPU: Intel(R)Iris(R)Xe Graphics - VRAM 128G - Ram shared 8091MB

i attach a link to a short video showing the problem using video preview full screen in Vegas 22 pro:

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Comments

ericBcreator wrote on 6/1/2025, 9:29 AM

@RogerS Since I couldn´t stop Windows all updates anymore (which caused the flickering in the first place) I was stuck with the flicker until now.
Options>Preferences>Internal
[In my version of VP (21) I hold down Shift, click on Options and find Internal just under Preferences.]
Search for "opencl/" and change "Enable Open CL/GL Interop" from TRUE to FALSE.

Thanks, that solved the issue!

At first I couldn't find the Internal tab under Preferences - I'm using VP22.

But as Mats said, its in the dropdown Option Menu when you hold Shift.

ericBcreator wrote on 9/14/2025, 1:31 AM

Well, I just installed Vegas 23 and that brought back the flickering :-(

Now the issue is that the "Enable Open CL/GL Interop" setting has disappeared from the Internal menu.
Any ideas?

RogerS wrote on 9/14/2025, 3:00 AM

I don't believe VEGAS uses Open CL anymore so that command is redundant. You might try official support.

ericBcreator wrote on 9/14/2025, 4:19 AM

I don't believe VEGAS uses Open CL anymore so that command is redundant. You might try official support.

It could be but then it is odd that several other Open CL still remain in VP 23 and - moreover - the same issue appears in to whatever library is/programming routines are the successor to Open CL in VP?

About official support: I don't have my hopes set very high as this issue has been around for several versions / years now and still hasn't been addressed in the latest version.

I'll post it in the VP 23 thread though.

RogerS wrote on 9/14/2025, 6:01 AM

@ericBcreator This is the first full release of the new video engine which I believe is moving to DirectX. Filing a support request can help the developers become aware of this issue and get the info they need from you to fix it.