[MEncoder-users] Any experts? MEncoder places chroma in wrong field...

Reimar Döffinger Reimar.Doeffinger at stud.uni-karlsruhe.de
Fri Dec 14 12:40:03 CET 2007

On Fri, Dec 14, 2007 at 02:44:32AM -0800, B.P. wrote:

I forgot:

> The encoder settings ("imglist.txt" contains the source PNG's filename
> 90 times to generate about three seconds of video):
> mencoder mf://@imglist.txt -mf fps=29.97:w=704:h=480:type=png -ovc
> lavc -of mpeg -mpegopts format=dvd:tsaf -vf scale=704:480 -lavcopts
> vcodec=mpeg2video:vrc_buf_size=1835:vrc_maxrate=9800:vbitrate=8000:
> ilme:ildct:keyint=18:trell:mbd=2:precmp=2:subcmp=2:cmp=2:dia=-10:
> predia=-10:cbp:mv0:vqmin=1:lmin=1:dc=10:vstrict=0:aspect=4/3
> -ofps 30000/1001 -o output.mpg

If you want to keep more of the full colour information from the pngs
you should add "format=422p" to the lavcopts.
While this is fully standards-compiliant I do not know of really all DVD
players actually support this properly.

Reimar Döffinger

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