[MPlayer-dev-eng] BUG - incorrect fps detected on NTSC DVDs result in jumpy video

[Felix Buenemann]

On Wednesday, 16. January 2002 07:48, you wrote:
> I noticed that mplayer doesn't correctly detect NTSC DVDs video
> that are encoded in progressive mode (24fps) (which is the case
> for 90% of NTSC movies)
>
> It will play those DVDs at the normal 30 fps which result in a
> jumpy video especially during pan scenes or scenes with lots of
> motion because fields are duplicated.
>
Yes, I noticed the same with some SVCDs.

> The mpeg2 stream contains "repeat" flags on some fields to take
> the original 24fps source and play it at 30fps so mplayer should
> skip those repeat frames and play just the original 24
> progressive frames.
Well I think we need some logic to know which frames to skip, so we need to 
know where the info which frames to repeat is stored in libmpeg2.
I guess Arpi knows better about that code, than me :)

-- 
Best Regards,
	Atmos
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