[MEncoder-users] mencoder skipping frames.

[Mike Hodson]

try -vf filmdint, -fps 29.970 -ofps 23.976
this should force input fps to be treated as 29.97 with a telecine,
and the filmdint plugin will take it down to progressive 24fps aka
23.976. i've had good luck with these options before.

On 7/7/05, AaronL <alee at ifa.hawaii.edu> wrote:
> I did a few more runs and here's what I've collected.
> I watched the demux_mpg output messages and it's like the following:
>  From 0 seconds to 28 seconds, the video has mixed 24000/1001 and
> telecined 30000/1001 frames.
>  From 29 seconds to the end of the video, it's all progressive
> 24000/1001 frames.
> I did tried "-mc 0" and the skipping went away but, the a/v are not in
> sync.  The video lags the audio.
> I also tried "-vf pullup,softskip" and that created duplicate frames as
> well as skip frames.
> So I tried to cut the first 28 seconds off with "-ss 0:00:29" but then
> mencoder hangs or gets confused because I hear my DVD drive seeking
> constantly but no encoding ever starts and I have to kill mencoder.
> 
> 
> 
> 
> Rich Felker wrote:
> 
> >On Wed, Jul 06, 2005 at 08:45:25PM -0700, RC wrote:
> >
> >
> >>On Wed, 06 Jul 2005 16:31:24 -1000
> >>AaronL <alee at IfA.Hawaii.Edu> wrote:
> >>
> >>
> >>
> >>>Why is mencoder skipping frames on 24000/1001 progressive content
> >>>when I'm trying to encode with the same -ofps 24000/1001?
> >>>
> >>>
> >>Perhaps to keep A/V sync...  Try with "-mc 0" and you probably won't
> >>get any skipped frames (though it might desync).
> >>
> >>
> >
> >Nope. The problem is that the video is not 24000/1001 fps but
> >30000/1001 fps, i.e. it's either hard telecined or interlaced source.
> >
> >Rich
> >
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> >
> >
> 
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