Effect - Smooth zoom

Is there any way to zoom in on a part of a movie, but not in a way that the movie is played back normally and zoom in just so that the movie, for example, approximates to a certain value for 10 seconds and then stays approximated for a certain time.


See item 1 in the roadmap


Thanks, “keyframable filter parameters” refers specifically to a smooth zoom or generally several filters, because I do not really understand the “keyframable” parameter.