[MPlayer-users] 3:2 pulldown

D Richard Felker III dalias at aerifal.cx
Tue Jan 6 06:14:36 CET 2004

On Mon, Jan 05, 2004 at 11:54:34PM -0500, Jacob wrote:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> Hey,
> I have a question.  I am trying to recode a DVD using mencoder.  The dvd
> is 24 fps using 3:2 pulldown to play in dvd player at 30 fps.  If I use
> transcode with the --pulldown option I get the desired effect of mplayer
> thinking it is 29.97 then pulling down to 24 fps.  I cant seem to make
> mencoder encode the mpeg2 in such a way.  I get 29.97 fps (too fast for
> audio).  I can make the output 24fps and the sync is good but then
> DVDAUTHOR does not like the frame rate!

You can apply "hard" telecine at encoding time with mencoder, but this
will greatly hurt the quality. What you want to do is use the
field-repeat flags (like most commercial movie dvds do) to "soft"
telecine the movie, so that only 24 pictures per second are stored,
and the player shows each for the correct duration to give 30 "frames"
per second.

Unfortunately, as far as I know mencoder can't do soft telecine. If
you wait for mencoder-g2 it will work, but it won't exist for at least
a month and might take much longer to become really usable. I would
recommend just using a different program for this purpose, for the
time being. :(


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