Weird prob with AVIs containing x264 video

[sneaker_ger]

Originally Posted by hello_hello

B Frames disabled, Slices enabled, Threads reduced, Lookahead threads increased. Nothing that'd make it possible to cut on any frame.

Without B frames you can cut at the end on arbitrary frames. OP was talking about something like that (post #22).
But of course solutions like SolveigMM Video Splitter should handle such cases without re-encoding as well.