[Libav-user] missing mandatory atoms, broken header

[Carl Eugen Hoyos]

leanne attard <leanneattard at ...> writes:

> I am using opencv to read from a video file output 
> from a Vivotek ipcamera model(IP 3872).

What does ffmpeg -i video_file show for the file that 
you want to read from?

Carl Eugen