Selur's Little Message Board

Seems like there's no built in feature in Hybrid to do so.

There is.
It's just one of the controls normally hidden, to avoid overloading the ui.

Enabling "Filtering->Vapoursynth->Misc->UI->'Apply only to'-controls" adds:
[attachment=3741]
to all filters (where this makes sense), which allow to apply filters only to specific frame sections.
In the dev version, there is also "Filtering->Avisynth->Misc->UI", which offers similar for Avisynth.

Cu Selur

I can't understand the tooltip description of it, could you please explain it to me?

For example, a 1000 frame video, frame number 1-1000, if I want to skip filtering in 101-200, What should I put into the 'Range' field? And what is 'Offsets' for?

Quote:a 1000 frame video, frame number 1-1000,

1000 frame clip has frames 0-999

Quote: if I want to skip filtering in 101-200, What should I put into the 'Range' field

so you do not want to filter 100-199.
Range works the other way around it specified where to apply the filter, so range should be "[0-99] [200 999]".

Quote: And what is 'Offsets' for?

Cycle sets the size of the frame grouping, to cycle 5 would chunk the video into packages of 5 frames.
Offsets then specifies which frames to keep.
So with cycle 5 and:
offsets=0 1 2 3 - the first 4 frames of every 5 frames would be filtered
offsets=2 - the third frame of every 5 frames would be filtered
offests=2 4 - only the third and fifth frame get filtered
see, also: https://www.vapoursynth.com/doc/function...every.html

Cu Selur

Got it now, thx a lot