[MPlayer-users] Who converts movie frame rate to video frame rate?

[Bryan Henderson]

On 11/22/08, Jason Garrett-Glaser <darkshikari at gmail.com> wrote:

> The content is progressive NTSC FILM (23.976 or more precisely
> 24000/1001) and is telecined to 29.97fps NTSC.

I'm sorry, I don't know what that means.  Can explain more?   Are
there 29.97 frames on the DVD for each second of movie, or 23.976, or
is it not that simple?

Is Mplayer converting the frame rate at all?