[MEncoder-users] Some small feature requests for mencoder

Fabian Giesen ryg at gmx.net
Thu Mar 1 03:00:28 CET 2007


> Hmm... You did try latest SVN? I think there was something applied that
> was supposed to fix it.

Ah, got me, the version I tried was from January.

> Yep, here it is:
> "r22134 | michael | 2007-02-05 01:46:53 +0100 (Mon, 05 Feb 2007) | 2 lines
>  
>  skip first (green) frame"
> 
> I didn't check if it actually works though.

"Somewhat". I don't get 3 green frames anymore, but just one green line 
on the top of the first frame of the deinterlaced output, which is 
definitely an improvement :)

More seriously, I got an assertion failure right in the first sequence I 
tested:
   "Assertion failed: iscore >= 0, file snow.c, line 2169"

I tried to get a minimal reproduce, this is what I came up with:

Command line:
   mencoder -fps 50 -ovc xvid -xvidencopts bitrate=4000 -vf \
     yadif=3:1,mcdeint=0:1:10,softskip -o tbl_deilace_cut.avi \
     tbl_ilace_cut.avi

The video is available at:
   http://farbrausch.de/~fg/reproduce/tbl_ilace_cut.avi

This is about as short as I could get it (may still work if you cut off 
the first 1 or 2 frames of that, but not much more).

mplayer+libavformat/libavcodec are both the current svn versions as of 
Feb 28 2007, 8:00pm (GMT+1), i.e. a few hours ago. Platform is 
win32/mingw32 with gcc 3.4.5.

Hope that helps.

Kind regards,
-Fabian "ryg/farbrausch" Giesen



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