mencoder tv:// -tv driver=v4l2:input=0:norm=ntsc:width=720:height=480:outfmt=yuy2:device=/dev/video0:forceaudio:audiorate=32000 buffersize=64 -ovc lavc -lavcopts vcodec=mpeg4:vbitrate=5000:keyint=30 -oac mp3lame -lameopts br=128:cbr:mode=3 -ffourcc divx -o record.avi