Dear All,

I would like to extract the first frame of a video that contains some 
'information', I do not want just one color frames (White,red, black…).


In order to achieve that the histogram variance calculation of an image could 
be a Good starting point. I would like that the variance is low so I guess I 
would have an image from the video with low difference between its pixels.

(Not al pixels White).


Is that posible to achieve that with ffmpeg or ffprobe?, what I found at the 
moment is that i can print the histogram with:


ffplay -i input -vf histogram

A lot of thanks,

P Please consider the environment before printing this e-mail.
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