[FFmpeg-user] dynamic image overlay possible?

[dmj2144]

>From everything that I have been reviewing;  It does not seem like it is
possible, with existing filters, to have dynamic parameters.  That said,
there is a link on ffmpeg "HOWTo ffmpeg filter" that describes how you can
create a custom filter and it provides a wiki with a small example.   I
believe that if I can start with that example you look at the built-in
overlay filter I will have a good shot at making it dynamic.  The key method
you should focus on is draw_slice().  This method receives each frame and I
am guessing is the best spot to make a call to retrieve the parameters.





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