[HELP] QSVenc

[humanoid86]

No debug output, no real clue what your settings are.
=> no way to reproduce, nothing I can do.
Remember that if you handle 4k content with Avisynth you should make sure to:
a. use 64bit Avisynth
b. depending on your setup and script adjust the used threads otherwise you might simply run out of RAM

I reinstalled the old version - everything is fine https://www.selur.de/downloads

Deinterlace handling hasn't really changed in years. ProRes has no hardware decoding support (aside from Apples ARM chips and specialized hardware), so hardware decoding and later deinterlacing will not work,...
Interlacing gets more and more abandoned with newer formats, but in my book that is long overdue. For me interlacing should have been dropped once MPEG-4 appeared.

yeah...

please correct the QSV from 0...
With each new driver version, the Intel GPU becomes more efficient