Re: [Motion-user] Possible to do a command-line comparison of two images for changes?

[Jason <mo...@la...>]

aaron barrus wrote:
> I have a need to compare two images that are currently on-disk, and
> check them for motion.
> 
> I'm using motion to compare images real-time as they are retrieved
> from my camera, and that works flawlessly.  But sometimes I have
> large archives of images-say several thousand in a directory-and I
> want to check them for motion using the same rules that motion uses
> when it watches a single image in real-time.  The files in the
> directory are timestamped with when they were taken.
> 

Maybe try a ffmpeg or vlc with a video loopback?  I've never done it,
but it would use ffmpeg/vlc to read in the images and make a fake camera
source that motion would then watch...

This looks promising [1].

hth,

Jason.

[1] - http://allonlinux.free.fr/Projets/AVLD/