Scaling an interlaced DVCPRO25

[cehoyos at ag.or.at (Carl Eugen Hoyos)]

Dar?o Mart?n <dariomartin <at> gmail.com> writes:

> mencoder original.dv -of lavf -lavfopts format=dv -ofps 25 -vf
> il=d:d,scale=:432,il=i:i,expand=:576,harddup -oac pcm -ovc lavc
> -lavcopts vcodec=dvvideo:format=411p:ildct -o converted.dv
> 
> However I get some strange artifacts when I play it in a interlaced display.

While I believe you are using the il filter correctly, you should consider
de-interlacing with yadif, that might improve quality overall.
Apart from that, are you setting video-bitrate somewhere? Or doesn't this work
with dvvideo? And what about 411p - isn't that the worst colour space?

Carl Eugen