mencoder tv:// -tv fps=29.97:input=1:width=400:height=432:alsa:adevice=hw.1,0:amode=0:driver=v4l:norm=NTSC:outfmt=yv12:brightness=0:contrast=-7:saturation=0:audiorate=22050 -sws 1 -vf detc=dr=1,hqdn3d=7:5,scale=336:256 -ofps 23.976 -ovc lavc -lavcopts vcodec=huffyuv:vstrict=-1 -oac pcm -channels 1 -o rec.avi