[MPlayer-users] mencoder, libavcodec, high-motion scenes jerky

Arpi arpi at thot.banki.hu
Thu May 30 03:04:01 CEST 2002


Hi,

> > [...] As you have probably noticed, I'm changing FPS to 24 (original is
>                                             ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
> > 29.976), is that an issue? Have I done something wrong?
>   ^^^^^^
> 
> Looks like this was the main cause. After removing the -ofps switch, the
> high-motion scenes are smooth again. Is this expected? I should think it
> is, but I'd like someone to confirm.

it depends on the media you encode.
most of the 29.97 fps mpegs are really 23.976fps, and every 4th field repeated
to make it up to 29.97, but there are real, native ntsc videos too (made
from ntsc video source, instead of 24fps cinema film)


A'rpi / Astral & ESP-team

--
Developer of MPlayer, the Movie Player for Linux - http://www.MPlayerHQ.hu




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