[FFmpeg-user] FFmpeg 3.2.14 "Hypatia" : libavformat version is not 57. 56.100 as written but 57. 56.101

[Ted Park]

Hi,

> > mencoder Cyrano.wmv -ofps 23.976 -ovc lavc -oac copy -o Cyrano.avi
> > MEncoder 1.3.0 (Debian), built with gcc-6.2.1 (C) 2000-2016 MPlayer Team
> > success: format: 0  data: 0x0 - 0x75b09ffa
> > *libavformat version 57.56.101* (external)
> > *Mismatching header version 57.56.100*
> 

Did you install/update/build libavformat separately (or some other program that uses the library) at some point? It looks like the program you are using was built against one version but a newer version of libavformat was installed. 

Regards,
Ted Park