Require libavformat >= 57.33
Require libavformat >= 57.33

In ffmpeg/doc/APIchanges:

> 2016-04-11 - 6f69f7a / 9200514 - lavf 57.33.100 / 57.5.0 - avformat.h
>   Add AVStream.codecpar, deprecate AVStream.codec.

Refs 5d9e96dc4eaa41b185c41e8a6df6191762764b1c

Refs #2862 <https://github.com/Genymobile/scrcpy/issues/2862>

Genymobile/scrcpy,Genymobile/scrcpy,Genymobile/scrcpy