[MPlayer-users] Frame interpolation

[Grant]

>>> Are there any plans for mplayer to do frame interpolation to negate
>>> 24p judder?
>>
>> There was a time when everyone wanted 24p cameras to look more like "the
>> movies".
>>
>> By which I mean to say: you want to interpolate back up to a higher frame
>> rate? Blech, what a horrible idea. You might as well go ahead and watch it
>> in 4:3 crop with mono audio, in black and white, while you're at it, just
>> to
>> ensure the experience is as damaged as possible.
>>
>
> I really must disagree here.
>
> I have a Philips 100Hz television that does exactly this, with what they
> sell as "Natural Motion".  Movie content (25 fps in PAL territories) is
> interpolated with motion detection to 50fps and the difference is
> incredible.
>
> In particular, pan/tilt shots and steadily moving objects look beautifully
> smooth with "Natural Motion" enabled, where the exact same shots looks
> jittery both in the cinema and on my TV with Natural Motion disabled.  It
> works surprisingly well with multiple objects and parallax movement too.
> It doesn't do so well in some situations involving heavy depth-of-field
> parallax, such as sideways motion in long grass but these tend to be the
> exception.  The ability to encode movies in mencoder with similar motion
> compensation algorithms is potentially a very useful feature that I'd like
> to see implemented.
>
> But none of this would be an issue if the source material was a more
> usable frame rate.  AFAICT 24fps is these days an artificial handicap kept
> purely for the same reasons people resisted moving to sound and colour
> film.  That is, films done at 24fps look like proper films just because
> the rest of them do.
>
> Greg

That is exactly the way I feel about it.

But the reason I started looking into this is the intense flashing
effect I see when an intricate object is moved across the screen.  I
was told that is part of 24p judder.  Is that true?

- Grant