[FFmpeg-user] What is option -level ?

[Ulf Zibis]

Am 12.02.19 um 21:33 schrieb Ulf Zibis:
> Shouldn't it be "-flags pass1" instead "-pass 1"?
> Are there other elements in that option set, which are bad syntax? E.g.
> for -cmp I only see values like 'sad' in the ffmpeg docs, but not '256'.

And what is the meaning of '+' with the -flags values?

-Ulf