mencoder tv:// -tv \
driver=v4l2:device=/dev/video0:width=320:height=240:adevice=/dev/dsp:forceaudio:alsa:adevice=hw.2,0 \
-ofps 15 -oac mp3lame -lameopts cbr:br=32 -ovc lavc -lavcopts \
vbitrate=92 -o ./out-low-quality.avi


# You can change framerate up to 25, video bitrate to 800 
# and sound bitrate to 128 or greater to get excellent quality.