[MPlayer-users] Bug in pullup and filmdint? (Uploaded samples)

[Jason Tackaberry]

I've come across a scene in a movie I ripped using -vf pullup,softskip
where panning is very jerky.  -vf filmdint also causes problems.  There
are many scenes with this kind of panning in the movie, but only a few
of them are jerky like this.

The movie appears to be entirely 24fps progressive, but according to the
man page, pullup handles this, so presumably it should have just left
things untouched since this scene isn't telecined.

I've uploaded 3 files:

IAS_clip_dvd.avi:
   mencoder  dvd://1 -nosound -ovc copy -ss 2375 -frames 350 -ofps 23.976 -o IAS_clip_dvd.avi

IAS_clip_pullup.avi:
   mencoder IAS_clip_dvd.avi -vf pullup,softskip,crop=720:464:0:4,hqdn3d=2:1:2 -ofps 23.976 -ovc lavc -lavcopts vcodec=mpeg4:vqscale=2:v4mv:mbd=2:trell:autoaspect:vmax_b_frames=1 -o IAS_clip_pullup.avi

IAS_clip_filmdint.avi:
   mencoder IAS_clip_dvd.avi -vf filmdint,crop=720:464:0:4,hqdn3d=2:1:2 -ofps 23.976 -ovc lavc -lavcopts vcodec=mpeg4:vqscale=2:v4mv:mbd=2:trell:autoaspect:vmax_b_frames=1 -o IAS_clip_filmdint.avi

I realize that capturing a DVD clip this way drops some flags in the
mpeg2 stream that pullup or filmdint might use (I don't really know,
just speculating), but the results here are the same whether I transcode
from IAS_clip_dvd.avi or directly from the DVD.

The panning in the DVD source for this scene is fine, but when I use
pullup (or ivtc) it becomes quite jerky.  Without pullup (and just -ofps
23.976) things are fine.  Since pullup (and filmdint too, I think?) are
supposed to be able to handle 24 fps progressive, I guess this is a bug.

Using mplayer cvs from 2004-06-08.

Cheers,
Jason.