[MEncoder-users] Weird DVD with shifting framerates

Andrew Udvare audvare at gmail.com
Sun Jun 9 11:56:55 CEST 2013

On Sun, Jun 09, 2013 at 08:43:48AM +0000, Carl Eugen Hoyos wrote:
> Andrew Udvare <audvare <at> gmail.com> writes:
> > It almost seems this is impossible to rip. With 
> > mencoder, I have tried options with filmdint, yadif, 
> > pullup+softskip.
> Please test ffmpeg with the new fieldmatch and decimate 
> filters (I don't know if you also need fps=30000/1001 
> filter additionally in front), it is expected to be 
> superior over both pullup and filmdint.
This seems to work so far with one episode of the programme.

I used these command lines:
ffmpeg-9999 -y -i "title-01.vob" -an -sn -vcodec libx264 -b:v 1100k -bt 1100k -pass 1 -threads 0 -f rawvideo -x264opts bframes=3:filter=1,2:subme=1:analyse=none:me=dia:no_dct_decimate:no_psnr:no_ssim:bitrate=1100:pass=1 -vf fps=30000/1001,fieldmatch,yadif=deint=interlaced,decimate,crop=704:464:6:10,scale=640:480 /dev/null
ffmpeg-9999 -y -i "title-01.vob" -an -sn -vcodec libx264 -b:v 1100k -bt 1100k -pass 2 -threads 0 -f rawvideo -x264opts ref=5:mixed_refs:no_fast_pskip:bframes=3:weightb:filter=1,2:trellis=1:analyse=all:8x8dct:me=umh:no_dct_decimate:no_psnr:no_ssim:bitrate=1100:pass=2 -vf fps=30000/1001,fieldmatch,yadif=deint=interlaced,decimate,crop=704:464:6:10,scale=640:480 "output.x264"

(then muxed with MP4Box)

While I got a few lines like the following:
Frame #4073 at 135.902 is still interlaced time=00:02:15.34 bitrate=1046.7kbits/s

the audio stays in sync. Will let you know the results with the other episodes.

> And just in case you don't know:
> MEncoder is not an actively maintained application for 
> several years, FFmpeg is.
Unfortunately Gentoo still has a very old version of ffmpeg in Portage so I was using mencoder. I guess for serious encoding tasks I will switch over to static builds of ffmpeg until Gentoo gets up-to-date.

Thanks for the tips

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