Things to try: No-delay video on Hauppauge PVR150

v4l2-ctl -v width=720,height=480
v4lctl setinput "Composite 1"
ivtv-tune -c1
aplay -q --buffer-time=100 -f dat /dev/video24 &
mplayer -rawvideo format=hm12:h=480:w=720:fps=29.97 \
-nocache -demuxer 26 /dev/video32 -framedrop -vo xv -monitoraspect 16:10 -aspect 4:3
killall aplay