[FFmpeg-user] -threads 1 seems not work

[Reindl Harald]

Am 12.09.22 um 15:00 schrieb Cecil Westerhof via ffmpeg-user:
> OK. But that  still means it can use  three CPU's if it wants  to if I
> have set all three to one?

following common sense decoding and encoding are at least two threads in 
total no matter what you do