[MEncoder-users] Encode SD to H264 via mencoder - best settings

[Phil Ehrens]

James Hastings-Trew wrote:
> Warpme wrote:
> > Hi *
> >
> > As subject line says, I want to encode SD (720x576 interlaced, 
> > 4-6Mb/s) content to non-interlaced H264. Container can be avi.
> >
> > Currently I was able to achieve quite good quality with latest 
> > mencoder SVN & following settings (here only video part):
> >
> > VIDEO_FirstPass="-ovc x264 -x264encopts 
> > pass=1:bitrate=1200:cabac:deblock:frameref=3:bframes=2:b_adapt:qp_step=4:weight_b:chroma_me" 
> >
> >
> > VIDEO_SecndPass="-ovc x264 -x264encopts 
> > pass=2:bitrate=1200:cabac:deblock:frameref=3:bframes=2:b_adapt:qp_step=4:weight_b:chroma_me" 
> >
> >
> > Issue is interlacing. Converted content is still interlaced. Playing 
> > it on VLC with deinterlace ON gives really nice picture, however with 
> > deinterlace OFF it has classical "interlace" distortions on fast 
> > moving parts :-(
> > As my system is default noninterlaced - I want to have sll contene as 
> > noninterlaced.
> >
> > I was trying add video filters like i.e. "-vf yadif=3,mcdeint" but 
> > result was:
> > -content start to be deinterlaced
> > -all movements are visibly "vibrant"
> > -video & audio are out of sync & video is much slower
> I've always had better luck with -vf pp=lb
> 
> yadif can leave bits of the image still interlaced, and can also create 
> weird artifacts of it's own.

And pp=lb can produce very soft looking output, but
sometimes produces very good looking output... The
fact is, you have to do some experimenting to find
out what looks best for the particular source.