[FFmpeg-user] How to get motion vector value for object movement detection using "mestimate" filter?

Rajh U rajhlinux at yahoo.com
Fri Aug 12 09:22:23 EEST 2022

I am using "mestimate" filter to apply motion vector to a live video stream webcam and when motion is detected would like to take snapshots.How can I do this by setting a threshold value?
I can not find any documentation of "mestimate" practical examples and how to extract it's data in real time to take snapshots.
Thanks for any advice.

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