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[HELP] No preview window - Printable Version

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+--- Thread: [HELP] No preview window (/thread-4159.html)

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RE: No preview window - Selur - 19.07.2025

I am confused.
Normally you should see two windows:
[Image: grafik.png]
the left in my case is the editor, the right the preview.
When pasting the text and pressing F5, do both of these close?
If the editor does not close it should show something new in the log (at the bottom of the editor window),...

Cu Selur

RE: No preview window - Miranda - 19.07.2025

Once I paste the text and hit F5, the viewer opens and closes, slightly before the viewer script page.

All I see at the bottom of the script page is something about a Null PixMap, before the script window then quickly closes.

RE: No preview window - Selur - 19.07.2025

if you paste:
import vapoursynth as vs
core = vs.core
import site
clip = core.std.BlankClip()
clip = core.text.Text(clip, str(core))
clip = core.std.Trim(clip=clip, first=0, last=1)
clip.set_output()

Do you see:
[Image: grafik.png]
do you see the same text in the preview window, or does it again simply close?
If you see a different text, what does it say? (I suspect at least the '_Number of Threads' should be different on your system)
If the Log in the Editor does show an error, what does it say?

Cu Selur

RE: No preview window - Miranda - 20.07.2025

Aha...

[Image: Screenshot-2025-07-20-103747.png]

RE: No preview window - Selur - 20.07.2025

okay, something is 'off' the version should be Vapoursynth R72 not R72-RC1.
=> I'm looking into it.

RE: No preview window - Selur - 20.07.2025

uploaded a new dev, try whether that one:
a. fixes the R72
b. preview works now

Cu Selur

RE: No preview window - Miranda - 20.07.2025

Still no preview and jobs still crashing.

[Image: Screenshot-2025-07-20-125148.png]
By not using YAHR and using DeHaloAlpha the project runs, but still no preview window.

RE: No preview window - Selur - 20.07.2025

Might be a different issue.
Will look at it once I figure out why the preview doesn't work.

RE: No preview window - Miranda - 20.07.2025

OK, thank you.

RE: No preview window - Selur - 20.07.2025

To be sure: The preview does not work for you, even if no additional filters are used, correct?
Please, try using a progressive source (or overwrite scanorder to 'progressive') and check the script view.
I can reproduce some problems related to libmvtools.dll, but the preview with source filter only should work.

Cu Selur