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

[James Hastings-Trew]

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.