Arthur Neufeld <ajn+ffmpeg@...> writes:

> My DSLR camera takes a 30-second exposure of the scene, 
> accumulating the light over the entire 30 seconds into 
> a single frame image.
> 
> My video camera captures the scene, as a 900-ish frame 
> movie.
> 
> I'd like to convert my 30 second video, into a 
> representation of the what the DSLR image sensor 
> experiences.

> I think FFmpeg's filter can do this ...
>      "overlay input frame N onto output frame N-1."

No, the overlay filter replaces (a part) of the original 
frame, it does not do what you want.

Carl Eugen

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