Reading a post (from Paul) in the "What software is used to edit MP4
videos?" thread (in the XP 'group), reminded me to wonder something I've
been wondering for some time:

Can a video file change resolution part way through? I'm not talking
about where it is all at the highest resolution and parts are
"letterboxed", "pillarboxed", or "postage-stamped", i. e. don't fill the
frame but the rest is filled with black (or other colour, or even
patterned!), but a genuine change of resolution. Or, I suppose, other
parameters - frame rate, colour depth (or colour/monochrome), number of
soundtracks, or probably other things I haven't thought of.

If it can, do any of the editors in common use handle such a transition?

I was, among other things, wondering what happens if you splice together
two segments (which I think most of the editors can do) that have
different resolutions/aspect ratios.

(If the answer is yes they can, I expect it's only some video formats?)
--
J. P. Gilliver. UMRA: 1960/1985 MB++G()AL-IS-Ch++(p)Ar@T+H+Sh0!:`)DNAf

I like to think of her as Mary Poppins's evil twin - Michelle Gomez, on the
character "Missy" (female version of the Master?) she plays in Doctor Who
[RT 2017/6/24-30]