That was ffmpeg-related problem.
Replacement of ffmpeg from QNAP distribution to the latest build resolved that problem.
Anyway I’m more than a bit disappointed that nobody from Support responded to that thread
Solution:
That was ffmpeg-related problem.
Replacement of ffmpeg from QNAP distribution to the latest build resolved that problem.
Anyway I’m more than a bit disappointed that nobody from Support responded to that thread
Solution: