[MEncoder-users] pullup useless?

Daniel Gnoutcheff gnoutchd at union.edu
Fri Nov 28 05:23:24 CET 2008


On Thu, 2008-11-27 at 19:50 +0100, Grozdan wrote:
> On Thursday 27 November 2008 19:44:26 Daniel Gnoutcheff wrote:
<snip>
> Try this as a test:
> 
> mencoder sw7d-telcine.avi -vf pullup=2:2:4:4:-1:0,softskip -oac pcm \
>      -ovc lavc -lavcopts vcodec=mpeg4:vbitrate=10000 -ofps 24000/1001 -o 
> test2.avi

I'm afraid that didn't work either. The results were much the same as
with -ovc raw; telecined output and lots of skipped frames.

If anyone's sufficiently interested in this problem, I've put an even
shorter sample of what I'm trying to encode at
http://www.vu.union.edu/~gnoutchd/sw7d-telecine-2.avi
    (1 second, 9.1 MiB)

# Not telecined after detc
mencoder sw7d-telecine-2.avi \
    -vf detc,softskip -ofps 24000/1001 \
    -oac pcm -ovc lavc -lavcopts vcodec=mpeg4:vbitrate=10000 \
    -o test-detc.avi

# Not telecined after ivtc
mencoder sw7d-telecine-2.avi \
    -vf ivtc,softskip -ofps 24000/1001 \
    -oac pcm -ovc lavc -lavcopts vcodec=mpeg4:vbitrate=10000 \
    -o test-ivtc.avi

# Still telecined after pullup
mencoder sw7d-telecine-2.avi \
    -vf pullup=2:2:4:4:-1:0,softskip,softskip -ofps 24000/1001\
    -oac pcm -ovc lavc -lavcopts vcodec=mpeg4:vbitrate=10000 \
    -o test-pullup.avi

This matches what I see when trying to encode the whole movie.

FWIW, I'm running Ubuntu 8.10 amd64 and using a self-compiled mencoder
based on yesterday's SVN (but the version included in Ubuntu's
repositories has the same behavior).

Thanks very much,
Daniel



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