small correction Vapoursynth would need ImageMagick Writer-Reader
Problem is, unlike Avisynth ImageReader it doesn't have a lastnum/end parameter.
-> left a request for it over at doom9 (https://forum.doom9.org/showthread.php?t=170981)
I could work around it, by limiting the frame count through a trim-call is that doesn't pan out.
In ffmpeg you also can only set a start frame and limit the frame count with '-frames:v',...
=> okay seems like 'trim' is the way to go for now,..
Cu Selur
Problem is, unlike Avisynth ImageReader it doesn't have a lastnum/end parameter.

imwri.Read(string[] filename[, int firstnum=0, bint mismatch=False, bint alpha=False, bint float_output = False])
I could work around it, by limiting the frame count through a trim-call is that doesn't pan out.
In ffmpeg you also can only set a start frame and limit the frame count with '-frames:v',...
=> okay seems like 'trim' is the way to go for now,..

Cu Selur
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Dev versions are in the 'experimental'-folder of my GoogleDrive, which is linked on the download page.
Dev versions are in the 'experimental'-folder of my GoogleDrive, which is linked on the download page.