[FFmpeg-user] dynamic image overlay possible?

[Roger Pack]

> Have you had any luck with this issue ?  I have a similar issue where I am
> streaming content from device and based on the content I would like to shift
> the overlay to another location.  I have been looking at filters but, I have
> not settled into a particular solution.

You raise a good question.
Question 1) is there any concept of "dynamic parameters" or "dynamic
variables" in filter graphs?