Odin Omdal Hørthe wrote:
Ooohh. You don't want to change the framerate. Really. That's a hard
problem to tackle, and it's better to just not tackle it. Just use the
framerate you're given at all times.
Agreed. Changing the framerate is asking the computer to guess what
happened between subsequent still shots. I suppose there are programs
that give reasonable results (does anyone know about such?), but unless
you have a clever algorithm, it boils down to either averaging in time
or accepting the jumps. Or just play the frames slower or faster as
necessary.
So I can offer a few tricks, but the bottom line is that you'll have to
pick the one that is the least horrible for you:
1. Just override the given framerate of your footage or rendered video.
That is, play it in 25 fps even though it has another original
framerate. Works well in particular when the audio track is completely
dubbed, so you don't need to slow down audio as well, and make everyone
sound like monsters. Creates a slightly dramatic look, but does good to
most footage.
2. Use Time Average effect to smear the video in time. Will make the
video look like jelly, but less jumpy.
3. Reduce to 24 fps (or 23.996 fps) for which there's a known method
(reverse telecine) and force the frame rate to play at 25 fps. This 4%
difference will go unnoticed.
Anyhow, I would consider looking at different video converters and see
what they offer. Cinelerra is for editing. The pre- and postprocessing
is best done outside (in my opinion).
Good luck,
Eli
--
Web: http://www.billauer.co.il
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