Hello,
It works here with Processing 3.5.4 on W10.
It gives me this error with Processing 4.3 on W10:
This is the version of ffpeg in my path:
C:\Users\me>ffmpeg
ffmpeg version 2023-11-22-git-0008e1c5d5-essentials_build-www.gyan.dev Copyright (c) 2000-2023 the FFmpeg developers
built with gcc 12.2.0 (Rev10, Built by MSYS2 project
I had the same experience here:
I have not explored this further.
A search in this forum may have something:
https://discourse.processing.org/search?q=videoExport%20order%3Alatest
:)