The issue is that renditions are png/jpeg files and not a gif. That is
why you are losing an animation. I'm not sure what do you are expecting
from FFMPEG, I don't think that it will be a solution for you. I think
that you need to create a custom component for gif. The custom component
should use /content/dam/t../jcr:content/renditions/original node, where
the animate gif is stored, instead of using
/content/dam/.../jcr:content/renditions/cq5dam.web.1280.1280.jpeg node
which is keeping a JPEG (s...