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[Question #160889]: How to recognize if a video feed is frozen.

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From: squaremind <question160889@xxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 09 Jun 2011 19:21:04 -0000
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New question #160889 on Sikuli:
https://answers.launchpad.net/sikuli/+question/160889

Hello there.
I would like to ask how can i make Sikuli recognize if a video feed is frozen. I am basic level programmer and i am trying to develop a script that interacts with a internet application that has a video feed, and I want Sikuli to restart this application when the video freezes. I thought about making it observe the video region, but none of the commands available with observe solves this, because I am not looking for a change or an appearance or a vanishment, but just if two images are the same after a period of time. Maybe I should take screenshots at 2 different times and compare them? Can you make an example of how can i do this if it is possible? 
Thank you in advance.

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